Update to master branch

Using RxSwift binary

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Create a report to help us improve
+---
+<!--
+## Is it really a bug?
+Before opening an issue, check the following:
+1. You are using the **SITE** key
+2. The correct domain, with protocol, is setup.
+3. You are using an **Invisible** reCAPTCHA v2 key.
+4. If the widget doesn't appear, that is expected since the library will try to resolve the challenge _invisibly_.
+
+https://www.google.com/recaptcha/admin#site
+-->
+
+## Bug description
+A clear and concise description of what the bug is.
+
+## To Reproduce
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '...'
+3. ...
+4. Profit (jk See error)
+
+## Expected behavior
+A clear and concise description of what you expected to happen.
+
+## Logs
+Please add as many logs as you feel necessary. Be mindful of your application and remove any sensitive data.
+
+## Additional context
+Add any other context about the problem here.

.gitignore

@@ -51,3 +51,6 @@ fastlane/Preview.html
 fastlane/screenshots
 fastlane/README.md
 fastlane/test_output
+
+## VS Code
+.vscode

.jazzy.yaml

@@ -0,0 +1,14 @@
+author: Flávio Caetano (@fjcaetano)
+author_url: https://github.com/fjcaetano
+github_url: https://github.com/fjcaetano/ReCaptcha
+
+readme: README.md
+
+module: ReCaptcha
+xcodebuild_arguments: 
+  - -workspace
+  - Example/ReCaptcha.xcworkspace
+  - -scheme
+  - ReCaptcha-Example
+  - -configuration
+  - Release

.swift-version

@@ -1 +0,0 @@
-4.0

.swiftlint.yml

@@ -44,5 +44,5 @@ file_header:
     \/\/  ReCaptcha
     \/\/
     \/\/  Created by .*? on \d{1,2}\/\d{1,2}\/\d{2}\.
-    \/\/  Copyright © \d{4} ReCaptcha\. All rights reserved\.
+    \/\/  Copyright © 2018 ReCaptcha\. All rights reserved\.
     \/\/

.travis.yml

@@ -1,4 +1,4 @@
-osx_image: xcode9
+osx_image: xcode10
 language: objective-c
 
 cache:

CHANGELOG.md

@@ -1,3 +1,44 @@
+# 1.4.2
+
+- Fix: Webview's resource loading detection (#56 #60)
+
+# 1.4.1
+
+- Fix RxSwift dependency version (#58)
+
+# 1.4
+
+- Feature: Support Swift 4.2
+- Feature: enable validation to be skipped for testing
+
+# 1.3.1
+
+- Fix: Removing leftover print
+- Fix: Removing Result dependency from Carthage
+
+# 1.3
+
+- Feature: Locale support (#39)
+
+- Fix: Reset not flagging ReCaptha as ready-to-execute (#36)
+- Fix: Multiple configure calls after app being idle (#40)
+
+# 1.2
+
+- Feature: Resettable ReCaptchas. (#23)
+- Feature: Forcing visible challenge on DEBUG. (#19)
+
+- Fix: Better encapsulation architecture.
+- Fix: Retiring Result dependency. (#24)
+- Fix: `validate` completion closure being called consecutively. (#29)
+- Fix: `configureWebView` being called multiple times. (#31)
+
+# 1.1
+
+- Fix: better logging for when protocol isn't found on
+- Fix: Alternate endpoint not loading
+- Fix: Prepends a scheme if `baseURL` doesn't have one
+
 # 1.0.2
 
 - Fix: Better detection of resources loading end (#16)

Cartfile

@@ -1,2 +1 @@
-github "antitypical/Result" ~> 3.0
+binary "https://raw.github.com/TouchInstinct/CarthageBinaries/master/RxSwift/RxSwift.json"
-github "ReactiveX/RxSwift" ~> 4.0

Cartfile.resolved

@@ -1,2 +1 @@
-github "ReactiveX/RxSwift" "4.0.0"
+binary "https://raw.github.com/TouchInstinct/CarthageBinaries/master/RxSwift/RxSwift.json" "4.5.0"
-github "antitypical/Result" "3.2.4"

Example/Podfile

@@ -5,13 +5,18 @@ inhibit_all_warnings!
 
 target 'ReCaptcha_Example' do
   pod 'ReCaptcha/RxSwift', :path => '../'
-  pod 'RxCocoa', '~> 4.0'
+  pod 'RxCocoa', '~> 4.3'
-  pod 'SwiftLint', '~> 0.24'
+  pod 'SwiftLint', '~> 0.27'
 
   target 'ReCaptcha_Tests' do
     inherit! :search_paths
 
-    pod 'AppSwizzle', :git => 'https://github.com/fjcaetano/AppSwizzle.git', :branch => 'swift4'
+    pod 'AppSwizzle', '~> 1.3'
+    pod 'RxBlocking', '~> 4.0'
+  end
+
+  target 'ReCaptcha_UITests' do
+    inherit! :search_paths
   end
 end
 

Example/Podfile.lock

@@ -1,42 +1,48 @@
 PODS:
-  - AppSwizzle (1.2)
+  - AppSwizzle (1.3.1)
-  - ReCaptcha/Core (1.0.1):
+  - ReCaptcha/Core (1.4.1)
-    - Result (~> 3.0)
+  - ReCaptcha/RxSwift (1.4.1):
-  - ReCaptcha/RxSwift (1.0.1):
     - ReCaptcha/Core
+    - RxSwift (~> 4.3)
+  - RxAtomic (4.4.0)
+  - RxBlocking (4.4.0):
+    - RxAtomic (~> 4.4)
     - RxSwift (~> 4.0)
-  - Result (3.2.4)
+  - RxCocoa (4.4.0):
-  - RxCocoa (4.1.1):
     - RxSwift (~> 4.0)
-  - RxSwift (4.1.1)
+  - RxSwift (4.4.0):
-  - SwiftLint (0.24.1)
+    - RxAtomic (~> 4.4)
+  - SwiftLint (0.27.0)
 
 DEPENDENCIES:
-  - AppSwizzle (from `https://github.com/fjcaetano/AppSwizzle.git`, branch `swift4`)
+  - AppSwizzle (~> 1.3)
   - ReCaptcha/RxSwift (from `../`)
-  - RxCocoa (~> 4.0)
+  - RxBlocking (~> 4.0)
-  - SwiftLint (~> 0.24)
+  - RxCocoa (~> 4.3)
+  - SwiftLint (~> 0.27)
+
+SPEC REPOS:
+  https://github.com/cocoapods/specs.git:
+    - AppSwizzle
+    - RxAtomic
+    - RxBlocking
+    - RxCocoa
+    - RxSwift
+    - SwiftLint
 
 EXTERNAL SOURCES:
-  AppSwizzle:
-    :branch: swift4
-    :git: https://github.com/fjcaetano/AppSwizzle.git
   ReCaptcha:
-    :path: ../
+    :path: "../"
-
-CHECKOUT OPTIONS:
-  AppSwizzle:
-    :commit: c432a73e43779d20ef8e8a589aabd9622b7b6a5d
-    :git: https://github.com/fjcaetano/AppSwizzle.git
 
 SPEC CHECKSUMS:
-  AppSwizzle: bbd3782652fc426ce59c045a92ec61d36f261984
+  AppSwizzle: db36e436f56110d93e5ae0147683435df593cabc
-  ReCaptcha: f281cd074be9b282f528c6dda9337476f13bd776
+  ReCaptcha: 520a707a38dfbb1e5de812aa3c041df60bd31827
-  Result: d2d07204ce72856f1fd9130bbe42c35a7b0fea10
+  RxAtomic: eacf60db868c96bfd63320e28619fe29c179656f
-  RxCocoa: fd0862fd2df95fa55562ad28ffd2522c25eb4a85
+  RxBlocking: 138ad53217434444d6eeeb4fb406a45431d92e31
-  RxSwift: c6e3b1c7b325c7d121cd4327e9d98b7ed746b570
+  RxCocoa: df63ebf7b9a70d6b4eeea407ed5dd4efc8979749
-  SwiftLint: 2e4b89feed5909c42c3735bbd6745f4345c4b772
+  RxSwift: 5976ecd04fc2fefd648827c23de5e11157faa973
+  SwiftLint: 3207c1faa2240bf8973b191820a116113cd11073
 
-PODFILE CHECKSUM: 354a8d5b36f1deae996d24aea6382d1ca091466f
+PODFILE CHECKSUM: 63f50401dee6a885ae0eea927fb966553c6d0f33
 
-COCOAPODS: 1.3.1
+COCOAPODS: 1.5.3

Example/ReCaptcha.xcodeproj/project.pbxproj

@@ -12,12 +12,16 @@
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 		607FACE01AFB9204008FA782 /* LaunchScreen.xib in Resources */ = {isa = PBXBuildFile; fileRef = 607FACDE1AFB9204008FA782 /* LaunchScreen.xib */; };
+		9D85E832734B73CFBD0156E0 /* Pods_ReCaptcha_UITests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B4C17A11F39B6DC940891AE0 /* Pods_ReCaptcha_UITests.framework */; };
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 		F206BAD51F8D3FEB00A25807 /* Cartfile in Resources */ = {isa = PBXBuildFile; fileRef = F206BAD41F8D3FEB00A25807 /* Cartfile */; };
+		F211C22220F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F211C22120F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift */; };
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+		F2AE8612204F3430002E28D7 /* ReCaptchaResult__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2AE8611204F3430002E28D7 /* ReCaptchaResult__Tests.swift */; };
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@@ -28,6 +32,13 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
+		F28FACA1200E425600E14987 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 607FACC81AFB9204008FA782 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 607FACCF1AFB9204008FA782;
+			remoteInfo = ReCaptcha_Example;
+		};
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 			isa = PBXContainerItemProxy;
 			containerPortal = 607FACC81AFB9204008FA782 /* Project object */;
@@ -40,6 +51,7 @@
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+		4A242A5E18CBBFA095B66558 /* Pods-ReCaptcha_UITests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ReCaptcha_UITests.release.xcconfig"; path = "Pods/Target Support Files/Pods-ReCaptcha_UITests/Pods-ReCaptcha_UITests.release.xcconfig"; sourceTree = "<group>"; };
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 		607FACD41AFB9204008FA782 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -49,16 +61,23 @@
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-		62C1DD0E80E9920845E5DA51 /* ReCaptcha.podspec */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = ReCaptcha.podspec; path = ../ReCaptcha.podspec; sourceTree = "<group>"; };
+		62C1DD0E80E9920845E5DA51 /* ReCaptcha.podspec */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = ReCaptcha.podspec; path = ../ReCaptcha.podspec; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.ruby; };
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 		F206BAD41F8D3FEB00A25807 /* Cartfile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = Cartfile; path = ../Cartfile; sourceTree = "<group>"; };
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+		F28FACA0200E425600E14987 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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@@ -79,6 +98,14 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		F28FAC99200E425600E14987 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				9D85E832734B73CFBD0156E0 /* Pods_ReCaptcha_UITests.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		F2ECCF731E9FC47B0097B199 /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
@@ -96,6 +123,7 @@
 				607FACF51AFB993E008FA782 /* Podspec Metadata */,
 				607FACD21AFB9204008FA782 /* Example for ReCaptcha */,
 				F2ECCF771E9FC47B0097B199 /* ReCaptcha_Tests */,
+				F28FAC9D200E425600E14987 /* ReCaptcha_UITests */,
 				607FACD11AFB9204008FA782 /* Products */,
 				716E2370DBF48D5E2C86E802 /* Pods */,
 				FDC29111B59FAB9F0F44DADB /* Frameworks */,
@@ -107,6 +135,7 @@
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 				607FACD01AFB9204008FA782 /* ReCaptcha_Example.app */,
 				F2ECCF761E9FC47B0097B199 /* ReCaptcha_Tests.xctest */,
+				F28FAC9C200E425600E14987 /* ReCaptcha_UITests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -152,10 +181,21 @@
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 				44568771DD76CFBDF2D1C83D /* Pods-ReCaptcha_Tests.release.xcconfig */,
+				930BD5ACA20B973070B89ACF /* Pods-ReCaptcha_UITests.debug.xcconfig */,
+				4A242A5E18CBBFA095B66558 /* Pods-ReCaptcha_UITests.release.xcconfig */,
 			);
 			name = Pods;
 			sourceTree = "<group>";
 		};
+		F28FAC9D200E425600E14987 /* ReCaptcha_UITests */ = {
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+			children = (
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+				F28FACA0200E425600E14987 /* Info.plist */,
+			);
+			path = ReCaptcha_UITests;
+			sourceTree = "<group>";
+		};
 		F2ECCF771E9FC47B0097B199 /* ReCaptcha_Tests */ = {
 			isa = PBXGroup;
 			children = (
@@ -175,6 +215,8 @@
 				F2ECCF8D1E9FE68C0097B199 /* ReCaptchaWebViewManager__Tests.swift */,
 				F2E2685D1F7AEE3400CD876D /* ReCaptcha__Tests.swift */,
 				F231B3961FEC325A00F82943 /* DispatchQueue__Tests.swift */,
+				F2AE8611204F3430002E28D7 /* ReCaptchaResult__Tests.swift */,
+				F211C22120F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift */,
 			);
 			path = Core;
 			sourceTree = "<group>";
@@ -203,6 +245,7 @@
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 				62BEEA62161F672468CCFD64 /* Pods_ReCaptcha_Example.framework */,
 				9417A28DC340FF0BC1627B3F /* Pods_ReCaptcha_Tests.framework */,
+				B4C17A11F39B6DC940891AE0 /* Pods_ReCaptcha_UITests.framework */,
 			);
 			name = Frameworks;
 			sourceTree = "<group>";
@@ -219,7 +262,6 @@
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-				ED1C0E07490C9C4B4A401061 /* [CP] Copy Pods Resources */,
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 			);
 			buildRules = (
@@ -231,6 +273,26 @@
 			productReference = 607FACD01AFB9204008FA782 /* ReCaptcha_Example.app */;
 			productType = "com.apple.product-type.application";
 		};
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+			buildPhases = (
+				B8A66872166B84DAD39A3E1F /* [CP] Check Pods Manifest.lock */,
+				F28FAC98200E425600E14987 /* Sources */,
+				F28FAC99200E425600E14987 /* Frameworks */,
+				F28FAC9A200E425600E14987 /* Resources */,
+				F28FACA6200E447600E14987 /* ShellScript */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				F28FACA2200E425600E14987 /* PBXTargetDependency */,
+			);
+			name = ReCaptcha_UITests;
+			productName = ReCaptcha_UITests;
+			productReference = F28FAC9C200E425600E14987 /* ReCaptcha_UITests.xctest */;
+			productType = "com.apple.product-type.bundle.ui-testing";
+		};
 		F2ECCF751E9FC47B0097B199 /* ReCaptcha_Tests */ = {
 			isa = PBXNativeTarget;
 			buildConfigurationList = F2ECCF7D1E9FC47B0097B199 /* Build configuration list for PBXNativeTarget "ReCaptcha_Tests" */;
@@ -240,7 +302,6 @@
 				F2ECCF731E9FC47B0097B199 /* Frameworks */,
 				F2ECCF741E9FC47B0097B199 /* Resources */,
 				77003100630E7783A936C451 /* [CP] Embed Pods Frameworks */,
-				44209D7CDDDE3A11075B8104 /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@@ -258,7 +319,7 @@
 		607FACC81AFB9204008FA782 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastSwiftUpdateCheck = 0830;
+				LastSwiftUpdateCheck = 0910;
 				LastUpgradeCheck = 0900;
 				ORGANIZATIONNAME = ReCaptcha;
 				TargetAttributes = {
@@ -266,9 +327,13 @@
 						CreatedOnToolsVersion = 6.3.1;
 						LastSwiftMigration = 0900;
 					};
+					F28FAC9B200E425600E14987 = {
+						CreatedOnToolsVersion = 9.1;
+						ProvisioningStyle = Automatic;
+						TestTargetID = 607FACCF1AFB9204008FA782;
+					};
 					F2ECCF751E9FC47B0097B199 = {
 						CreatedOnToolsVersion = 8.3;
-						DevelopmentTeam = 58EEZG76L8;
 						LastSwiftMigration = 0900;
 						ProvisioningStyle = Automatic;
 						TestTargetID = 607FACCF1AFB9204008FA782;
@@ -290,6 +355,7 @@
 			targets = (
 				607FACCF1AFB9204008FA782 /* ReCaptcha_Example */,
 				F2ECCF751E9FC47B0097B199 /* ReCaptcha_Tests */,
+				F28FAC9B200E425600E14987 /* ReCaptcha_UITests */,
 			);
 		};
 /* End PBXProject section */
@@ -306,6 +372,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		F28FAC9A200E425600E14987 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		F2ECCF741E9FC47B0097B199 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -317,21 +390,6 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
-		44209D7CDDDE3A11075B8104 /* [CP] Copy Pods Resources */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Copy Pods Resources";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Tests/Pods-ReCaptcha_Tests-resources.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
 		51299F67A8756E2B3EAE411A /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@@ -357,11 +415,17 @@
 			);
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Tests/Pods-ReCaptcha_Tests-frameworks.sh",
+				"${BUILT_PRODUCTS_DIR}/RxAtomic/RxAtomic.framework",
+				"${BUILT_PRODUCTS_DIR}/RxSwift/RxSwift.framework",
 				"${BUILT_PRODUCTS_DIR}/AppSwizzle/AppSwizzle.framework",
+				"${BUILT_PRODUCTS_DIR}/RxBlocking/RxBlocking.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxAtomic.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxSwift.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AppSwizzle.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxBlocking.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -376,14 +440,14 @@
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/ReCaptcha/ReCaptcha.framework",
-				"${BUILT_PRODUCTS_DIR}/Result/Result.framework",
+				"${BUILT_PRODUCTS_DIR}/RxAtomic/RxAtomic.framework",
 				"${BUILT_PRODUCTS_DIR}/RxCocoa/RxCocoa.framework",
 				"${BUILT_PRODUCTS_DIR}/RxSwift/RxSwift.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/ReCaptcha.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Result.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxAtomic.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxCocoa.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxSwift.framework",
 			);
@@ -392,6 +456,24 @@
 			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
+		B8A66872166B84DAD39A3E1F /* [CP] Check Pods Manifest.lock */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-ReCaptcha_UITests-checkManifestLockResult.txt",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
+			showEnvVarsInLog = 0;
+		};
 		DDB47454887253730AB35230 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@@ -410,21 +492,6 @@
 			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
-		ED1C0E07490C9C4B4A401061 /* [CP] Copy Pods Resources */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Copy Pods Resources";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example-resources.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
 		F231B3981FEC3B7F00F82943 /* SwiftLint */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@@ -437,7 +504,20 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${PODS_ROOT}/SwiftLint/swiftlint\" --path \"${PROJECT_DIR}/..\"";
+			shellScript = "\"${PODS_ROOT}/SwiftLint/swiftlint\" --path \"${PROJECT_DIR}/..\"\n";
+		};
+		F28FACA6200E447600E14987 /* ShellScript */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "# Unfortuantely, Xcode 7.3 and Cocoapods are not yet fully compatible. The location of the xctest bundle has changed and so we need to manually copy some things ...\n# this fix is necesary - tested on Cocoapods 1.1.rc2 that still have the issue.\n# ver 0.2\n\n# set variables\nBUILD_ROOT=\"${BUILT_PRODUCTS_DIR}\"\n\nMAIN_TARGET_NAME=\"ReCaptcha_Example.app\"   #if you know how to get this from here do let me know!\nMAIN_TARGET_FRAMEWORKS=\"${BUILT_PRODUCTS_DIR}/${MAIN_TARGET_NAME}/Frameworks\"\n\nTEST_TARGET_NAME=\"ReCaptcha_UITests\"\nTEST_RUNNER_TARGET_FRAMEWORKS=\"${BUILT_PRODUCTS_DIR}/${TEST_TARGET_NAME}-Runner.app\"\n\n# COPY FRAMEWORKS FROM MAIN TARGET TO TEST TARGET if framework folder exists\nif [[ -d \"${MAIN_TARGET_FRAMEWORKS}\" ]]; then\necho \"**** COPYING FRAMEWORKS FROM \\\"${MAIN_TARGET_FRAMEWORKS}\\\" TO \\\"${TEST_RUNNER_TARGET_FRAMEWORKS}\\\" ...\"\ncp -R \"${MAIN_TARGET_FRAMEWORKS}\" \"${TEST_RUNNER_TARGET_FRAMEWORKS}\"\nfi\n\n# You don't really need this section below if your script works, otherwise it is quite helpful to troubleshoot any problems with paths.\n\n# DEBUG SECTION\necho \"BUILD_ROOT : ${BUILD_ROOT}\"\necho \"MAIN_TARGET_NAME : ${MAIN_TARGET_NAME}\"\necho \"MAIN_TARGET_FRAMEWORKS ${MAIN_TARGET_FRAMEWORKS}\"\necho \"TEST_TARGET_NAME : ${TEST_TARGET_NAME}\"\necho \"TEST_RUNNER_TARGET_FRAMEWORKS : ${TEST_TARGET_FRAMEWORKS}\"\necho \"CONTENT: ${CONTENTS_FOLDER_PATH}\"\necho \"FRAMEWORK PATH: ${FRAMEWORKS_FOLDER_PATH}\"\necho \"TARGET BUILD DIR: ${TARGET_BUILD_DIR}\"";
 		};
 /* End PBXShellScriptBuildPhase section */
 
@@ -451,15 +531,25 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		F28FAC98200E425600E14987 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				F28FAC9F200E425600E14987 /* ReCaptcha_UITests.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		F2ECCF721E9FC47B0097B199 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				F2AE8612204F3430002E28D7 /* ReCaptchaResult__Tests.swift in Sources */,
 				F2ECCF961EA00A5B0097B199 /* ReCaptchaWebViewManager+Helpers.swift in Sources */,
 				F2ECCF8E1E9FE68C0097B199 /* ReCaptchaWebViewManager__Tests.swift in Sources */,
 				F2ECCF981EA011370097B199 /* Result+Helpers.swift in Sources */,
 				F231B3971FEC325A00F82943 /* DispatchQueue__Tests.swift in Sources */,
 				F231B39F1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift in Sources */,
+				F211C22220F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift in Sources */,
 				F2E2685E1F7AEE3400CD876D /* ReCaptcha__Tests.swift in Sources */,
 				F2ECCF931EA009360097B199 /* ReCaptcha+Rx__Tests.swift in Sources */,
 				F288E9451F9537760018688D /* ReCaptchaError+Equatable.swift in Sources */,
@@ -470,6 +560,11 @@
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
+		F28FACA2200E425600E14987 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 607FACCF1AFB9204008FA782 /* ReCaptcha_Example */;
+			targetProxy = F28FACA1200E425600E14987 /* PBXContainerItemProxy */;
+		};
 		F2ECCF7C1E9FC47B0097B199 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			target = 607FACCF1AFB9204008FA782 /* ReCaptcha_Example */;
@@ -608,7 +703,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -624,7 +719,55 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
+			};
+			name = Release;
+		};
+		F28FACA3200E425600E14987 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 930BD5ACA20B973070B89ACF /* Pods-ReCaptcha_UITests.debug.xcconfig */;
+			buildSettings = {
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_STYLE = Automatic;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				INFOPLIST_FILE = ReCaptcha_UITests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = "ReCaptcha.ReCaptcha-UITests";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_VERSION = 4.2;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = ReCaptcha_Example;
+			};
+			name = Debug;
+		};
+		F28FACA4200E425600E14987 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 4A242A5E18CBBFA095B66558 /* Pods-ReCaptcha_UITests.release.xcconfig */;
+			buildSettings = {
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_STYLE = Automatic;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				INFOPLIST_FILE = ReCaptcha_UITests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = "ReCaptcha.ReCaptcha-UITests";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.2;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = ReCaptcha_Example;
 			};
 			name = Release;
 		};
@@ -637,15 +780,15 @@
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
-				DEVELOPMENT_TEAM = 58EEZG76L8;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = ReCaptcha_Tests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG UNIT_TESTS";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ReCaptcha_Example.app/ReCaptcha_Example";
 			};
 			name = Debug;
@@ -658,14 +801,14 @@
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
-				DEVELOPMENT_TEAM = 58EEZG76L8;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = ReCaptcha_Tests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ReCaptcha_Example.app/ReCaptcha_Example";
 			};
 			name = Release;
@@ -691,6 +834,15 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		F28FACA5200E425600E14987 /* Build configuration list for PBXNativeTarget "ReCaptcha_UITests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				F28FACA3200E425600E14987 /* Debug */,
+				F28FACA4200E425600E14987 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 		F2ECCF7D1E9FC47B0097B199 /* Build configuration list for PBXNativeTarget "ReCaptcha_Tests" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (

Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme

@@ -40,9 +40,8 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
+      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldUseLaunchSchemeArgsEnv = "YES">
-      codeCoverageEnabled = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -54,6 +53,16 @@
                ReferencedContainer = "container:ReCaptcha.xcodeproj">
             </BuildableReference>
          </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "F28FAC9B200E425600E14987"
+               BuildableName = "ReCaptcha_UITests.xctest"
+               BlueprintName = "ReCaptcha_UITests"
+               ReferencedContainer = "container:ReCaptcha.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
       <MacroExpansion>
          <BuildableReference
@@ -71,7 +80,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

Example/ReCaptcha.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Example/ReCaptcha/AppDelegate.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 03/22/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import UIKit
@@ -16,7 +16,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(
         _ application: UIApplication,
-        didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
         ) -> Bool {
         // Override point for customization after application launch.
         return true

Example/ReCaptcha/Base.lproj/LaunchScreen.xib

@@ -1,11 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="12120" systemVersion="17A365" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait">
-        <adaptation id="fullscreen"/>
-    </device>
     <dependencies>
-        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12088"/>
         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -16,7 +12,7 @@
             <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
             <subviews>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2017 Flávio Caetano. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
+                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2018 Flávio Caetano. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
                     <rect key="frame" x="20" y="439" width="441" height="21"/>
                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>

Example/ReCaptcha/Base.lproj/Main.storyboard

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12118" systemVersion="16D32" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="vXZ-lx-hvc">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14109" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="vXZ-lx-hvc">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12086"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14088"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -22,7 +22,7 @@
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         <subviews>
                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="RDW-bD-rSo">
-                                <rect key="frame" x="50" y="505" width="275" height="50"/>
+                                <rect key="frame" x="50" y="450" width="275" height="50"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="50" id="Bt8-Ou-ht2"/>
                                 </constraints>
@@ -34,33 +34,89 @@
                             <activityIndicatorView hidden="YES" opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" hidesWhenStopped="YES" style="gray" translatesAutoresizingMaskIntoConstraints="NO" id="jHc-GP-v1Z">
                                 <rect key="frame" x="177" y="323" width="20" height="20"/>
                             </activityIndicatorView>
-                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="o6f-cL-1PF">
+                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="249" text="" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="o6f-cL-1PF">
-                                <rect key="frame" x="20" y="192" width="335" height="283"/>
+                                <rect key="frame" x="20" y="247" width="335" height="173"/>
+                                <accessibility key="accessibilityConfiguration" identifier="resultLabel"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
+                            <segmentedControl clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="X8E-G9-9IV">
+                                <rect key="frame" x="71" y="568" width="233" height="29"/>
+                                <segments>
+                                    <segment title="Default Endpoint"/>
+                                    <segment title="Alternate"/>
+                                </segments>
+                                <connections>
+                                    <action selector="didPressEndpointSegmentedControl:" destination="vXZ-lx-hvc" eventType="valueChanged" id="Sdm-dO-doL"/>
+                                </connections>
+                            </segmentedControl>
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Uyt-0M-CR7">
+                                <rect key="frame" x="77" y="616" width="221" height="31"/>
+                                <subviews>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Force visible captcha" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="awK-8H-OCQ">
+                                        <rect key="frame" x="0.0" y="0.0" width="162" height="31"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                        <nil key="textColor"/>
+                                        <nil key="highlightedColor"/>
+                                    </label>
+                                    <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="mGh-Ox-cFf">
+                                        <rect key="frame" x="172" y="0.0" width="51" height="31"/>
+                                        <accessibility key="accessibilityConfiguration" identifier="Switch"/>
+                                    </switch>
+                                </subviews>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <constraints>
+                                    <constraint firstAttribute="bottom" secondItem="awK-8H-OCQ" secondAttribute="bottom" id="0Wx-IJ-Kwg"/>
+                                    <constraint firstAttribute="trailing" secondItem="mGh-Ox-cFf" secondAttribute="trailing" id="8Xc-zN-tVW"/>
+                                    <constraint firstItem="awK-8H-OCQ" firstAttribute="top" secondItem="Uyt-0M-CR7" secondAttribute="top" id="IbZ-YP-G0R"/>
+                                    <constraint firstItem="mGh-Ox-cFf" firstAttribute="top" secondItem="Uyt-0M-CR7" secondAttribute="top" id="P27-Ua-aX7"/>
+                                    <constraint firstItem="awK-8H-OCQ" firstAttribute="leading" secondItem="Uyt-0M-CR7" secondAttribute="leading" id="fna-4f-wRD"/>
+                                    <constraint firstAttribute="bottom" secondItem="mGh-Ox-cFf" secondAttribute="bottom" id="vnT-b0-5h3"/>
+                                    <constraint firstItem="mGh-Ox-cFf" firstAttribute="leading" secondItem="awK-8H-OCQ" secondAttribute="trailing" constant="10" id="wzo-g0-VEj"/>
+                                </constraints>
+                            </view>
+                            <segmentedControl clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="kq2-ci-l1u">
+                                <rect key="frame" x="114" y="520" width="147" height="29"/>
+                                <segments>
+                                    <segment title="Nil Locale"/>
+                                    <segment title="Chinese"/>
+                                </segments>
+                                <connections>
+                                    <action selector="didPressLocaleSegmentedControl:" destination="vXZ-lx-hvc" eventType="valueChanged" id="nSA-f3-8eS"/>
+                                </connections>
+                            </segmentedControl>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="o6f-cL-1PF" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" constant="20" id="0dV-t0-W0Y"/>
-                            <constraint firstItem="2fi-mo-0CV" firstAttribute="top" secondItem="RDW-bD-rSo" secondAttribute="bottom" constant="112" id="E4K-Vp-ZL2"/>
+                            <constraint firstAttribute="trailing" secondItem="RDW-bD-rSo" secondAttribute="trailing" constant="50" id="1Lj-Ox-Kl4"/>
+                            <constraint firstItem="X8E-G9-9IV" firstAttribute="top" secondItem="kq2-ci-l1u" secondAttribute="bottom" constant="20" id="8ye-XO-bpK"/>
+                            <constraint firstItem="X8E-G9-9IV" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="92w-cw-lR2"/>
+                            <constraint firstItem="2fi-mo-0CV" firstAttribute="top" secondItem="Uyt-0M-CR7" secondAttribute="bottom" constant="20" id="Bfs-p5-IBM"/>
                             <constraint firstItem="o6f-cL-1PF" firstAttribute="centerY" secondItem="kh9-bI-dsS" secondAttribute="centerY" priority="750" id="NMD-ir-PXe"/>
                             <constraint firstItem="RDW-bD-rSo" firstAttribute="top" secondItem="o6f-cL-1PF" secondAttribute="bottom" constant="30" id="TZe-z9-MZS"/>
                             <constraint firstItem="jHc-GP-v1Z" firstAttribute="centerY" secondItem="kh9-bI-dsS" secondAttribute="centerY" id="VOe-WJ-FKo"/>
                             <constraint firstItem="jHc-GP-v1Z" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="XkT-zr-eUO"/>
+                            <constraint firstItem="kq2-ci-l1u" firstAttribute="top" secondItem="RDW-bD-rSo" secondAttribute="bottom" constant="20" id="Y4H-6k-gDx"/>
                             <constraint firstAttribute="trailing" secondItem="o6f-cL-1PF" secondAttribute="trailing" constant="20" id="c74-nm-rgi"/>
-                            <constraint firstAttribute="trailing" secondItem="RDW-bD-rSo" secondAttribute="trailing" constant="50" id="c7q-Rw-n0F"/>
                             <constraint firstItem="RDW-bD-rSo" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" constant="50" id="iXO-hP-XZ7"/>
+                            <constraint firstItem="kq2-ci-l1u" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="ice-pp-mVe"/>
+                            <constraint firstItem="Uyt-0M-CR7" firstAttribute="top" secondItem="X8E-G9-9IV" secondAttribute="bottom" constant="20" id="nIE-QT-RpQ"/>
+                            <constraint firstItem="Uyt-0M-CR7" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="qfG-68-ySO"/>
                         </constraints>
                     </view>
                     <connections>
+                        <outlet property="endpointSegmentedControl" destination="X8E-G9-9IV" id="jAb-fU-Yu5"/>
                         <outlet property="label" destination="o6f-cL-1PF" id="KQV-3X-RKr"/>
+                        <outlet property="localeSegmentedControl" destination="kq2-ci-l1u" id="gL7-du-K6l"/>
                         <outlet property="spinner" destination="jHc-GP-v1Z" id="gRn-JW-FIK"/>
+                        <outlet property="visibleChallengeSwitch" destination="mGh-Ox-cFf" id="R13-nD-EXL"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="x5A-6p-PRh" sceneMemberID="firstResponder"/>
             </objects>
+            <point key="canvasLocation" x="117.59999999999999" y="117.39130434782609"/>
         </scene>
     </scenes>
 </document>

Example/ReCaptcha/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -39,6 +39,11 @@
       "idiom" : "iphone",
       "size" : "60x60",
       "scale" : "3x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
     }
   ],
   "info" : {

Example/ReCaptcha/ViewController.swift

@@ -3,38 +3,61 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 03/22/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import ReCaptcha
-import Result
 import RxCocoa
 import RxSwift
 import UIKit
 
 
 class ViewController: UIViewController {
-    fileprivate static let webViewTag = 123
+    private struct Constants {
+        static let webViewTag = 123
+        static let testLabelTag = 321
+    }
 
-    // swiftlint:disable:next force_try
+    private var recaptcha: ReCaptcha!
-    fileprivate let recaptcha = try! ReCaptcha()
+    private var disposeBag = DisposeBag()
-    fileprivate var disposeBag = DisposeBag()
 
-    @IBOutlet weak var label: UILabel!
+    private var locale: Locale?
-    @IBOutlet weak var spinner: UIActivityIndicatorView!
+    private var endpoint = ReCaptcha.Endpoint.default
 
+    @IBOutlet private weak var label: UILabel!
+    @IBOutlet private weak var spinner: UIActivityIndicatorView!
+    @IBOutlet private weak var localeSegmentedControl: UISegmentedControl!
+    @IBOutlet private weak var endpointSegmentedControl: UISegmentedControl!
+    @IBOutlet private weak var visibleChallengeSwitch: UISwitch!
 
     override func viewDidLoad() {
         super.viewDidLoad()
-
+        setupReCaptcha()
-        recaptcha.configureWebView { [weak self] webview in
-            webview.frame = self?.view.bounds ?? CGRect.zero
-            webview.tag = ViewController.webViewTag
-        }
     }
 
+    @IBAction func didPressEndpointSegmentedControl(_ sender: UISegmentedControl) {
+        label.text = ""
+        switch sender.selectedSegmentIndex {
+        case 0: endpoint = .default
+        case 1: endpoint = .alternate
+        default: assertionFailure("invalid index")
+        }
 
-    @IBAction func didPressButton(button: UIButton) {
+        setupReCaptcha()
+    }
+
+    @IBAction func didPressLocaleSegmentedControl(_ sender: UISegmentedControl) {
+        label.text = ""
+        switch sender.selectedSegmentIndex {
+        case 0: locale = nil
+        case 1: locale = Locale(identifier: "zh-CN")
+        default: assertionFailure("invalid index")
+        }
+
+        setupReCaptcha()
+    }
+
+    @IBAction private func didPressButton(button: UIButton) {
         disposeBag = DisposeBag()
 
         let validate = recaptcha.rx.validate(on: view)
@@ -44,20 +67,28 @@ class ViewController: UIViewController {
         let isLoading = validate
             .map { _ in false }
             .startWith(true)
+            .share(replay: 1)
 
         isLoading
             .bind(to: spinner.rx.isAnimating)
             .disposed(by: disposeBag)
 
-        isLoading
+        let isEnabled = isLoading
             .map { !$0 }
             .catchErrorJustReturn(false)
+            .share(replay: 1)
+
+        isEnabled
             .bind(to: button.rx.isEnabled)
             .disposed(by: disposeBag)
 
+        isEnabled
+            .bind(to: endpointSegmentedControl.rx.isEnabled)
+            .disposed(by: disposeBag)
+
         validate
             .map { [weak self] _ in
-                self?.view.viewWithTag(ViewController.webViewTag)
+                self?.view.viewWithTag(Constants.webViewTag)
             }
             .subscribe(onNext: { subview in
                 subview?.removeFromSuperview()
@@ -65,8 +96,31 @@ class ViewController: UIViewController {
             .disposed(by: disposeBag)
 
         validate
-            .map { try $0.dematerialize() }
             .bind(to: label.rx.text)
             .disposed(by: disposeBag)
+
+        visibleChallengeSwitch.rx.value
+            .subscribe(onNext: { [weak recaptcha] value in
+                recaptcha?.forceVisibleChallenge = value
+            })
+            .disposed(by: disposeBag)
+    }
+
+    private func setupReCaptcha() {
+        // swiftlint:disable:next force_try
+        recaptcha = try! ReCaptcha(endpoint: endpoint, locale: locale)
+
+        recaptcha.configureWebView { [weak self] webview in
+            webview.frame = self?.view.bounds ?? CGRect.zero
+            webview.tag = Constants.webViewTag
+
+            // For testing purposes
+            // If the webview requires presentation, this should work as a way of detecting the webview in UI tests
+            self?.view.viewWithTag(Constants.testLabelTag)?.removeFromSuperview()
+            let label = UILabel(frame: CGRect(x: 0, y: 0, width: 1, height: 1))
+            label.tag = Constants.testLabelTag
+            label.accessibilityLabel = "webview"
+            self?.view.addSubview(label)
+        }
     }
 }

Example/ReCaptcha_Tests/.swiftlint.yml

@@ -3,3 +3,7 @@ disabled_rules:
   - nesting
   - force_unwrapping
   - explicit_top_level_acl
+  - function_body_length
+  - identifier_name
+  - file_length
+  - type_body_length

Example/ReCaptcha_Tests/Core/DispatchQueue__Tests.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 21/12/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 @testable import ReCaptcha
@@ -20,6 +20,8 @@ class DispatchQueue__Tests: XCTestCase {
         super.tearDown()
     }
 
+    // MARK: Throttle
+
     func test__Throttle_Nil_Context() {
         // Execute closure called once
         let exp0 = expectation(description: "did call single closure")
@@ -31,14 +33,15 @@ class DispatchQueue__Tests: XCTestCase {
         waitForExpectations(timeout: 1)
 
         // Does not execute first closure
-        let exp1 = expectation(description: "")
+        let exp1 = expectation(description: "did call last closure")
         DispatchQueue.main.throttle(deadline: .now() + 0.1) {
             XCTFail("Shouldn't be called")
         }
 
-        DispatchQueue.main.throttle(deadline: .now() + 0.1) {
+        DispatchQueue.main.throttle(
-            exp1.fulfill()
+            deadline: .now() + 0.1,
-        }
+            action: exp1.fulfill
+        )
 
         waitForExpectations(timeout: 1)
     }
@@ -48,9 +51,11 @@ class DispatchQueue__Tests: XCTestCase {
         let exp0 = expectation(description: "did call single closure")
         let c0 = UUID()
 
-        DispatchQueue.main.throttle(deadline: .now() + 0.1, context: c0) {
+        DispatchQueue.main.throttle(
-            exp0.fulfill()
+            deadline: .now() + 0.1,
-        }
+            context: c0,
+            action: exp0.fulfill
+        )
 
         waitForExpectations(timeout: 1)
 
@@ -61,17 +66,132 @@ class DispatchQueue__Tests: XCTestCase {
             XCTFail("Shouldn't be called")
         }
 
-        DispatchQueue.main.throttle(deadline: .now() + 0.1, context: c1) {
+        DispatchQueue.main.throttle(
-            exp1.fulfill()
+            deadline: .now() + 0.1,
-        }
+            context: c1,
+            action: exp1.fulfill
+        )
 
         // Execute in a different context
         let exp2 = expectation(description: "execute on different context")
         let c2 = UUID()
-        DispatchQueue.main.throttle(deadline: .now() + 0.1, context: c2) {
+        DispatchQueue.main.throttle(
-            exp2.fulfill()
+            deadline: .now() + 0.1,
-        }
+            context: c2,
+            action: exp2.fulfill
+        )
 
         waitForExpectations(timeout: 1)
     }
+
+    // MARK: Debounce
+
+    func test__Debounce_Nil_Context() {
+        // Does not execute sequenced closures
+        let exp0 = expectation(description: "did call first closure")
+
+        DispatchQueue.main.debounce(
+            interval: 0.1,
+            action: exp0.fulfill
+        )
+
+        DispatchQueue.main.debounce(interval: 0) {
+            XCTFail("Shouldn't be called")
+        }
+
+        waitForExpectations(timeout: 1)
+
+        // Executes closure after previous has timed out
+        let exp1 = expectation(description: "did call closure")
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+            DispatchQueue.main.debounce(
+                interval: 0.1,
+                action: exp1.fulfill
+            )
+        }
+
+        waitForExpectations(timeout: 3)
+    }
+
+    func test__Debounce_Context() {
+        // Does not execute sequenced closures
+        let exp0 = expectation(description: "did call first closure")
+        let c0 = UUID()
+
+        DispatchQueue.main.debounce(
+            interval: 0.1,
+            context: c0,
+            action: exp0.fulfill
+        )
+
+        DispatchQueue.main.debounce(interval: 0, context: c0) {
+            XCTFail("Shouldn't be called")
+        }
+
+        // Execute in a different context
+        let c1 = UUID()
+        let exp1 = expectation(description: "executes in different context")
+        DispatchQueue.main.debounce(
+            interval: 0,
+            context: c1,
+            action: exp1.fulfill
+        )
+
+        waitForExpectations(timeout: 1)
+
+        // Executes closure after previous has timed out
+        let exp2 = expectation(description: "did call closure")
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
+            DispatchQueue.main.debounce(
+                interval: 0.1,
+                context: c0,
+                action: exp2.fulfill
+            )
+        }
+
+        waitForExpectations(timeout: 5)
+    }
+
+    // MARK: Once
+
+    func test__Once__Single_Dispatch() {
+        let token = 3
+        var dispatchCount = 0
+
+        // Does dispatch the given action
+        DispatchQueue.once(token: token) {
+            dispatchCount = 1
+        }
+
+        XCTAssertEqual(dispatchCount, 1)
+
+        // Does not dispatch again for the same token
+        DispatchQueue.once(token: token) {
+            dispatchCount = 2
+        }
+
+        XCTAssertEqual(dispatchCount, 1)
+    }
+
+    func test__Once__Multiple_Dispatches() {
+        let token1 = 4
+        var didDispatch1 = false
+
+        // Does dispatch the given action
+        DispatchQueue.once(token: token1) {
+            didDispatch1 = true
+        }
+
+        XCTAssertTrue(didDispatch1)
+
+        // Dispatch for a different token
+        let token2 = 6
+        var didDispatch2 = false
+
+        DispatchQueue.once(token: token2) {
+            didDispatch2 = true
+        }
+
+        XCTAssertTrue(didDispatch2)
+    }
 }

Example/ReCaptcha_Tests/Core/ReCaptchaDecoder__Tests.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 13/04/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 @testable import ReCaptcha

Example/ReCaptcha_Tests/Core/ReCaptchaResult__Tests.swift

@@ -0,0 +1,39 @@
+//
+//  ReCaptchaResult__Tests.swift
+//  ReCaptcha
+//
+//  Created by Flávio Caetano on 06/03/18.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
+//
+
+@testable import ReCaptcha
+import XCTest
+
+
+class ReCaptchaResult__Tests: XCTestCase {
+    func test__Get_Token() {
+        let token = UUID().uuidString
+        let result = ReCaptchaResult.token(token)
+
+        do {
+            let value = try result.dematerialize()
+            XCTAssertEqual(value, token)
+        }
+        catch let err {
+            XCTFail(err.localizedDescription)
+        }
+    }
+
+    func test__Get_Token__Error() {
+        let error = ReCaptchaError.random()
+        let result = ReCaptchaResult.error(error)
+
+        do {
+            _ = try result.dematerialize()
+            XCTFail("Shouldn't have completed")
+        }
+        catch let err {
+            XCTAssertEqual(err as? ReCaptchaError, error)
+        }
+    }
+}

Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift

@@ -3,12 +3,11 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 13/04/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 @testable import ReCaptcha
 
-import Result
 import WebKit
 import XCTest
 
@@ -36,7 +35,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
     func test__Validate__Token() {
         let exp1 = expectation(description: "load token")
-        var result1: ReCaptchaWebViewManager.Response?
+        var result1: ReCaptchaResult?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey)
@@ -55,12 +54,12 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result1)
         XCTAssertNil(result1?.error)
-        XCTAssertEqual(result1?.value, apiKey)
+        XCTAssertEqual(result1?.token, apiKey)
 
 
         // Validate again
         let exp2 = expectation(description: "reload token")
-        var result2: ReCaptchaWebViewManager.Response?
+        var result2: ReCaptchaResult?
 
         // Validate
         manager.validate(on: presenterView) { response in
@@ -74,7 +73,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result2)
         XCTAssertNil(result2?.error)
-        XCTAssertEqual(result2?.value, apiKey)
+        XCTAssertEqual(result2?.token, apiKey)
     }
 
 
@@ -96,7 +95,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
 
     func test__Validate__Message_Error() {
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
         let exp = expectation(description: "message error")
 
         // Validate
@@ -105,7 +104,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
             XCTFail("should not ask to configure the webview")
         }
 
-        manager.validate(on: presenterView) { response in
+        manager.validate(on: presenterView, resetOnError: false) { response in
             result = response
             exp.fulfill()
         }
@@ -115,11 +114,11 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result)
         XCTAssertEqual(result?.error, .wrongMessageFormat)
-        XCTAssertNil(result?.value)
+        XCTAssertNil(result?.token)
     }
 
     func test__Validate__JS_Error() {
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
         let exp = expectation(description: "js error")
 
         // Validate
@@ -128,7 +127,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
             XCTFail("should not ask to configure the webview")
         }
 
-        manager.validate(on: presenterView) { response in
+        manager.validate(on: presenterView, resetOnError: false) { response in
             result = response
             exp.fulfill()
         }
@@ -138,7 +137,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result)
         XCTAssertNotNil(result?.error)
-        XCTAssertNil(result?.value)
+        XCTAssertNil(result?.token)
 
         switch result!.error! {
         case .unexpected(let error as NSError):
@@ -183,6 +182,62 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         waitForExpectations(timeout: 10)
     }
 
+    func test__Configure_Web_View__Called_Once() {
+        var count = 0
+        let exp0 = expectation(description: "configure webview")
+
+        // Configure WebView
+        let manager = ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}")
+        manager.configureWebView { _ in
+            if count < 3 {
+                manager.webView.evaluateJavaScript("execute();") { XCTAssertNil($1) }
+            }
+
+            count += 1
+            exp0.fulfill()
+        }
+
+        manager.validate(on: presenterView) { _ in
+            XCTFail("should not call completion")
+        }
+
+        waitForExpectations(timeout: 10)
+
+        let exp1 = expectation(description: "waiting for extra calls")
+        DispatchQueue.main.asyncAfter(deadline: .now() + 1, execute: exp1.fulfill)
+        waitForExpectations(timeout: 2)
+
+        XCTAssertEqual(count, 1)
+    }
+
+    func test__Configure_Web_View__Called_Again_With_Reset() {
+        let exp0 = expectation(description: "configure webview 0")
+
+        let manager = ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}")
+        manager.validate(on: presenterView) { _ in
+            XCTFail("should not call completion")
+        }
+
+        // Configure Webview
+        manager.configureWebView { _ in
+            manager.webView.evaluateJavaScript("execute();") { XCTAssertNil($1) }
+            exp0.fulfill()
+        }
+
+        waitForExpectations(timeout: 10)
+
+        // Reset and ensure it calls again
+        let exp1 = expectation(description: "configure webview 1")
+
+        manager.configureWebView { _ in
+            manager.webView.evaluateJavaScript("execute();") { XCTAssertNil($1) }
+            exp1.fulfill()
+        }
+
+        manager.reset()
+        waitForExpectations(timeout: 10)
+    }
+
     // MARK: Stop
 
     func test__Stop() {
@@ -210,7 +265,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
     func test__Key_Setup() {
         let exp = expectation(description: "setup key")
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey)
@@ -227,13 +282,13 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
         XCTAssertNotNil(result)
         XCTAssertNil(result?.error)
-        XCTAssertEqual(result?.value, apiKey)
+        XCTAssertEqual(result?.token, apiKey)
     }
 
     func test__Endpoint_Setup() {
         let exp = expectation(description: "setup endpoint")
-        let endpoint = String(describing: arc4random())
+        let endpoint = ReCaptcha.Endpoint.alternate.getURL(locale: nil)
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
 
         let manager = ReCaptchaWebViewManager(messageBody: "{token: endpoint}", endpoint: endpoint)
         manager.configureWebView { _ in
@@ -249,6 +304,98 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
         XCTAssertNotNil(result)
         XCTAssertNil(result?.error)
-        XCTAssertEqual(result?.value, endpoint)
+        XCTAssertEqual(result?.token, endpoint)
+    }
+
+    // MARK: Reset
+
+    func test__Reset() {
+        let exp1 = expectation(description: "fail on first execution")
+        var result1: ReCaptchaResult?
+
+        // Validate
+        let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
+        manager.configureWebView { _ in
+            XCTFail("should not ask to configure the webview")
+        }
+
+        // Error
+        manager.validate(on: presenterView, resetOnError: false) { result in
+            result1 = result
+            exp1.fulfill()
+        }
+
+        waitForExpectations(timeout: 10)
+        XCTAssertEqual(result1?.error, .wrongMessageFormat)
+
+        // Resets and tries again
+        let exp2 = expectation(description: "validates after reset")
+        var result2: ReCaptchaResult?
+
+        manager.reset()
+        manager.validate(on: presenterView, resetOnError: false) { result in
+            result2 = result
+            exp2.fulfill()
+        }
+
+        waitForExpectations(timeout: 10)
+
+        XCTAssertNil(result2?.error)
+        XCTAssertEqual(result2?.token, apiKey)
+    }
+
+    func test__Validate__Reset_On_Error() {
+        let exp = expectation(description: "fail on first execution")
+        var result: ReCaptchaResult?
+
+        // Validate
+        let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
+        manager.configureWebView { _ in
+            XCTFail("should not ask to configure the webview")
+        }
+
+        // Error
+        manager.validate(on: presenterView, resetOnError: true) { response in
+            result = response
+            exp.fulfill()
+        }
+
+        waitForExpectations(timeout: 10)
+
+        XCTAssertNil(result?.error)
+        XCTAssertEqual(result?.token, apiKey)
+    }
+
+    func test__Validate__Should_Skip_For_Tests() {
+        let exp = expectation(description: "did skip validation")
+
+        let manager = ReCaptchaWebViewManager()
+        manager.shouldSkipForTests = true
+
+        manager.completion = { result in
+            XCTAssertEqual(result.token, "")
+            exp.fulfill()
+        }
+
+        manager.validate(on: presenterView)
+
+        waitForExpectations(timeout: 1)
+    }
+
+    // MARK: Force Challenge Visible
+
+    func test__Force_Visible_Challenge() {
+        let manager = ReCaptchaWebViewManager()
+
+        // Initial value
+        XCTAssertFalse(manager.forceVisibleChallenge)
+
+        // Set True
+        manager.forceVisibleChallenge = true
+        XCTAssertEqual(manager.webView.customUserAgent, "Googlebot/2.1")
+
+        // Set False
+        manager.forceVisibleChallenge = false
+        XCTAssertNotEqual(manager.webView.customUserAgent?.isEmpty, false)
     }
 }

Example/ReCaptcha_Tests/Core/ReCaptcha_Endpoint__Tests.swift

@@ -0,0 +1,27 @@
+//
+//  ReCaptcha_Endpoint__.swift
+//  ReCaptcha
+//
+//  Created by Flávio Caetano on 12/07/18.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
+//
+
+@testable import ReCaptcha
+import XCTest
+
+class ReCaptcha_Endpoint__Tests: XCTestCase {
+
+    private let endpoint = ReCaptcha.Endpoint.default
+    private let endpointURL = "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"
+
+    // MARK: - Locale
+
+    func test__Locale__Nil() {
+        XCTAssertEqual(endpoint.getURL(locale: nil), endpointURL)
+    }
+
+    func test__Locale__Valid() {
+        let locale = Locale(identifier: "pt-BR")
+        XCTAssertEqual(endpoint.getURL(locale: locale), "\(endpointURL)&hl=pt-BR")
+    }
+}

Example/ReCaptcha_Tests/Core/ReCaptcha__Tests.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 26/09/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import AppSwizzle
@@ -26,7 +26,6 @@ class ReCaptcha__Tests: XCTestCase {
             toAlterSelector: #selector(Bundle.failHTMLLoad(_:type:))
         )
 
-
         do {
             _ = try ReCaptcha()
             XCTFail("Should have failed")
@@ -57,16 +56,28 @@ class ReCaptcha__Tests: XCTestCase {
         }
 
         // Ensures plist url if nil key
-        let plistURL = URL(string: "bar")!
+        let plistURL = URL(string: "https://bar")!
         let config1 = try? ReCaptcha.Config(apiKey: "", infoPlistKey: nil, baseURL: nil, infoPlistURL: plistURL)
         XCTAssertEqual(config1?.baseURL, plistURL)
 
         // Ensures preference of given url over plist entry
-        let url = URL(string: "foo")!
+        let url = URL(string: "ftp://foo")!
         let config2 = try? ReCaptcha.Config(apiKey: "", infoPlistKey: nil, baseURL: url, infoPlistURL: plistURL)
         XCTAssertEqual(config2?.baseURL, url)
     }
 
+    func test__Base_URL_Without_Scheme() {
+        // Ignores URL with scheme
+        let goodURL = URL(string: "https://foo.bar")!
+        let config0 = try? ReCaptcha.Config(apiKey: "", infoPlistKey: nil, baseURL: goodURL, infoPlistURL: nil)
+        XCTAssertEqual(config0?.baseURL, goodURL)
+
+        // Fixes URL without scheme
+        let badURL = URL(string: "foo")!
+        let config = try? ReCaptcha.Config(apiKey: "", infoPlistKey: nil, baseURL: badURL, infoPlistURL: nil)
+        XCTAssertEqual(config?.baseURL.absoluteString, "http://" + badURL.absoluteString)
+    }
+
     func test__API_Key() {
         // Ensures key failure when nil
         do {
@@ -99,6 +110,17 @@ class ReCaptcha__Tests: XCTestCase {
         )
         XCTAssertEqual(config2?.apiKey, key)
     }
+
+    func test__Force_Visible_Challenge() {
+        let recaptcha = ReCaptcha(manager: ReCaptchaWebViewManager())
+
+        // Initial value
+        XCTAssertFalse(recaptcha.forceVisibleChallenge)
+
+        // Set true
+        recaptcha.forceVisibleChallenge = true
+        XCTAssertTrue(recaptcha.forceVisibleChallenge)
+    }
 }
 
 

Example/ReCaptcha_Tests/Helpers/ReCaptchaDecoder+Helper.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 22/12/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation

Example/ReCaptcha_Tests/Helpers/ReCaptchaError+Equatable.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 16/10/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation

Example/ReCaptcha_Tests/Helpers/ReCaptchaWebViewManager+Helpers.swift

@@ -3,26 +3,48 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 13/04/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation
 @testable import ReCaptcha
-
+import WebKit
 
 extension ReCaptchaWebViewManager {
-    convenience init(messageBody: String, apiKey: String? = nil, endpoint: String? = nil) {
+    private static let unformattedHTML: String! = {
-        let localhost = URL(string: "http://localhost")!
+        Bundle(for: ReCaptchaWebViewManager__Tests.self)
-        let html = Bundle(for: ReCaptchaWebViewManager__Tests.self)
             .path(forResource: "mock", ofType: "html")
             .flatMap { try? String(contentsOfFile: $0) }
-            .map { String(format: $0, arguments: ["message": messageBody]) }
+    }()
+
+    convenience init(
+        messageBody: String = "",
+        apiKey: String? = nil,
+        endpoint: String? = nil,
+        shouldFail: Bool = false
+    ) {
+        let localhost = URL(string: "http://localhost")!
+        let html = String(format: ReCaptchaWebViewManager.unformattedHTML, arguments: [
+            "message": messageBody,
+            "shouldFail": shouldFail.description
+        ])
 
         self.init(
-            html: html!,
+            html: html,
             apiKey: apiKey ?? String(arc4random()),
             baseURL: localhost,
             endpoint: endpoint ?? localhost.absoluteString
         )
     }
+
+    func configureWebView(_ configure: @escaping (WKWebView) -> Void) {
+        configureWebView = configure
+    }
+
+    func validate(on view: UIView, resetOnError: Bool = true, completion: @escaping (ReCaptchaResult) -> Void) {
+        self.shouldResetOnError = resetOnError
+        self.completion = completion
+
+        validate(on: view)
+    }
 }

Example/ReCaptcha_Tests/Helpers/Result+Helpers.swift

@@ -3,20 +3,20 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 13/04/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
-import Result
+@testable import ReCaptcha
 
 
-extension Result {
+extension ReCaptchaResult {
-    var value: T? {
+    var token: String? {
-        guard case .success(let value) = self else { return nil }
+        guard case .token(let value) = self else { return nil }
         return value
     }
 
-    var error: Error? {
+    var error: ReCaptchaError? {
-        guard case .failure(let error) = self else { return nil }
+        guard case .error(let error) = self else { return nil }
         return error
     }
 }

Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift

@@ -3,31 +3,30 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 13/04/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 @testable import ReCaptcha
 
+import RxBlocking
+import RxCocoa
 import RxSwift
 import XCTest
 
 
 class ReCaptcha_Rx__Tests: XCTestCase {
 
-    fileprivate var disposeBag: DisposeBag!
     fileprivate var apiKey: String!
     fileprivate var presenterView: UIView!
 
     override func setUp() {
         super.setUp()
 
-        disposeBag = DisposeBag()
         presenterView = UIApplication.shared.keyWindow!
         apiKey = String(arc4random())
     }
 
     override func tearDown() {
-        disposeBag = nil
         presenterView = nil
         apiKey = nil
 
@@ -36,102 +35,70 @@ class ReCaptcha_Rx__Tests: XCTestCase {
 
 
     func test__Validate__Token() {
-        let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey)
+        let recaptcha = ReCaptcha(manager: ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey))
-        manager.configureWebView { _ in
+        recaptcha.configureWebView { _ in
             XCTFail("should not ask to configure the webview")
         }
 
+        do {
+            // Validate
+            let result = try recaptcha.rx.validate(on: presenterView)
+                .toBlocking()
+                .single()
 
-        var result: ReCaptchaWebViewManager.Response?
+            // Verify
-        let exp = expectation(description: "validate token")
+            XCTAssertEqual(result, apiKey)
-
+        }
-        // Validate
+        catch let error {
-        manager.rx.validate(on: presenterView)
+            XCTFail(error.localizedDescription)
-            .subscribe { event in
+        }
-                switch event {
-                case .next(let value):
-                    result = value
-
-                case .error(let error):
-                    XCTFail(error.localizedDescription)
-
-                case .completed:
-                    exp.fulfill()
-                }
-            }
-            .disposed(by: disposeBag)
-
-        waitForExpectations(timeout: 10)
-
-        // Verify
-        XCTAssertNotNil(result)
-        XCTAssertEqual(result?.value, apiKey)
-        XCTAssertNil(result?.error)
     }
 
 
     func test__Validate__Show_ReCaptcha() {
-        let manager = ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}", apiKey: apiKey)
+        let recaptcha = ReCaptcha(
-        let exp = expectation(description: "show recaptcha")
+            manager: ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}", apiKey: apiKey)
+        )
 
-        manager.configureWebView { _ in
+        var didConfigureWebView = false
-            exp.fulfill()
+
+        recaptcha.configureWebView { _ in
+            didConfigureWebView = true
         }
 
-        // Validate
+        do {
-        manager.rx.validate(on: presenterView)
+            // Validate
-            .timeout(2, scheduler: MainScheduler.instance)
+            _ = try recaptcha.rx.validate(on: presenterView)
-            .subscribe { event in
+                .timeout(2, scheduler: MainScheduler.instance)
-                switch event {
+                .toBlocking()
-                case .next:
+                .single()
-                    XCTFail("should not have validated")
 
-                case .error(let error):
+            XCTFail("should have thrown exception")
-                    XCTAssertEqual(String(describing: error), RxError.timeout.debugDescription)
+        }
-
+        catch let error {
-                case .completed:
+            XCTAssertEqual(String(describing: error), RxError.timeout.debugDescription)
-                    XCTFail("should not have completed")
+            XCTAssertTrue(didConfigureWebView)
-                }
+        }
-            }
-            .disposed(by: disposeBag)
-
-        waitForExpectations(timeout: 10)
     }
 
 
     func test__Validate__Error() {
-        let manager = ReCaptchaWebViewManager(messageBody: "\"foobar\"", apiKey: apiKey)
+        let recaptcha = ReCaptcha(manager: ReCaptchaWebViewManager(messageBody: "\"foobar\"", apiKey: apiKey))
-        manager.configureWebView { _ in
+        recaptcha.configureWebView { _ in
             XCTFail("should not ask to configure the webview")
         }
 
+        do {
+            // Validate
+            _ = try recaptcha.rx.validate(on: presenterView, resetOnError: false)
+                .toBlocking()
+                .single()
 
-        var result: ReCaptchaWebViewManager.Response?
+            XCTFail("should have thrown exception")
-        let exp = expectation(description: "validate token")
+        }
-
+        catch let error {
-        // Validate
+            XCTAssertEqual(error as? ReCaptchaError, .wrongMessageFormat)
-        manager.rx.validate(on: presenterView)
+        }
-            .subscribe { event in
-                switch event {
-                case .next(let value):
-                    result = value
-
-                case .error(let error):
-                    XCTFail(error.localizedDescription)
-
-                case .completed:
-                    exp.fulfill()
-                }
-            }
-            .disposed(by: disposeBag)
-
-        waitForExpectations(timeout: 10)
-
-        // Verify
-        XCTAssertNotNil(result)
-        XCTAssertNil(result?.value)
-        XCTAssertNotNil(result?.error)
-        XCTAssertEqual(result?.error, .wrongMessageFormat)
     }
 
     // MARK: Dispose
@@ -140,21 +107,83 @@ class ReCaptcha_Rx__Tests: XCTestCase {
         let exp = expectation(description: "stop loading")
 
         // Stop
-        let manager = ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}")
+        let recaptcha = ReCaptcha(manager: ReCaptchaWebViewManager(messageBody: "{log: \"foo\"}"))
-        manager.configureWebView { _ in
+        recaptcha.configureWebView { _ in
             XCTFail("should not ask to configure the webview")
         }
 
-        let disposable = manager.rx.validate(on: presenterView)
+        let disposable = recaptcha.rx.validate(on: presenterView)
+            .do(onDispose: exp.fulfill)
             .subscribe { _ in
                 XCTFail("should not validate")
             }
-        disposable.dispose()
 
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
+        DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
-            exp.fulfill()
+            disposable.dispose()
         }
 
         waitForExpectations(timeout: 10)
     }
+
+    // MARK: Reset
+
+    func test__Reset() {
+        // Validate
+        let recaptcha = ReCaptcha(
+            manager: ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
+        )
+
+        recaptcha.configureWebView { _ in
+            XCTFail("should not ask to configure the webview")
+        }
+
+        do {
+            // Error
+            _ = try recaptcha.rx.validate(on: presenterView, resetOnError: false)
+                .toBlocking()
+                .single()
+        }
+        catch let error {
+            XCTAssertEqual(error as? ReCaptchaError, .wrongMessageFormat)
+
+            // Resets after failure
+            _ = Observable<Void>.just(())
+                .bind(to: recaptcha.rx.reset)
+        }
+
+        do {
+            // Resets and tries again
+            let result = try recaptcha.rx.validate(on: presenterView, resetOnError: false)
+                .toBlocking()
+                .single()
+
+            XCTAssertEqual(result, apiKey)
+        }
+        catch let error {
+            XCTFail(error.localizedDescription)
+        }
+    }
+
+    func test__Validate__Reset_On_Error() {
+        // Validate
+        let recaptcha = ReCaptcha(
+            manager: ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
+        )
+
+        recaptcha.configureWebView { _ in
+            XCTFail("should not ask to configure the webview")
+        }
+
+        do {
+            // Error
+            let result = try recaptcha.rx.validate(on: presenterView, resetOnError: true)
+                .toBlocking()
+                .single()
+
+            XCTAssertEqual(result, apiKey)
+        }
+        catch let error {
+            XCTFail(error.localizedDescription)
+        }
+    }
 }

Example/ReCaptcha_Tests/mock.html

@@ -4,14 +4,25 @@
   <script type="text/javascript">
   var key = "${apiKey}";
   var endpoint = "${endpoint}";
+  var shouldFail = ${shouldFail};
+
+  var post = function(value) {
+      window.webkit.messageHandlers.recaptcha.postMessage(value);
+  };
 
   var execute = function() {
-    window.webkit.messageHandlers.recaptcha.postMessage(${message});
+      if (shouldFail) {
-  }
+          post("error");
+      }
+      else {
+          post(${message});
+      }
+  };
 
-  window.onload = function() {
+  var reset = function() {
-    window.webkit.messageHandlers.recaptcha.postMessage({action: "didLoad"});
+      shouldFail = false;
-  }
+      post({action: "didLoad"});
+  };
   </script>
 </head>
 <body>

Example/ReCaptcha_UITests/.swiftlint.yml

@@ -0,0 +1,5 @@
+disabled_rules:
+  - type_name
+  - nesting
+  - force_unwrapping
+  - explicit_top_level_acl

Example/ReCaptcha_UITests/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

Example/ReCaptcha_UITests/ReCaptcha_UITests.swift

@@ -0,0 +1,51 @@
+//
+//  ReCaptcha_UITests.swift
+//  ReCaptcha
+//
+//  Created by Flávio Caetano on 16/01/18.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
+//
+
+import Foundation
+@testable import ReCaptcha
+@testable import ReCaptcha_Example
+import XCTest
+
+class ReCaptcha_UITests: XCTestCase {
+
+    override func setUp() {
+        super.setUp()
+
+        // In UI tests it is usually best to stop immediately when a failure occurs.
+        continueAfterFailure = false
+        XCUIApplication().launch()
+    }
+
+    func test__Validate__Default_Endpoint() {
+        let app = XCUIApplication()
+        app.segmentedControls.buttons["Default Endpoint"].tap()
+        app.switches["Switch"].tap()
+        app.buttons["Validate"].tap()
+
+        verifyValidation()
+    }
+
+    func test__Validate__Alternate_Endpoint() {
+        let app = XCUIApplication()
+        app.segmentedControls.buttons["Alternate"].tap()
+        app.switches["Switch"].tap()
+        app.buttons["Validate"].tap()
+
+        verifyValidation()
+    }
+
+    // MARK: Private Methods
+
+    private func verifyValidation() {
+        let app = XCUIApplication()
+        let webview = app.staticTexts.element(matching: .any, identifier: "webview")
+        let webviewExists = webview.waitForExistence(timeout: 10)
+
+        XCTAssertTrue(webviewExists)
+    }
+}

Gemfile

@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 
-gem 'fastlane', '~> 2.75'
+gem 'fastlane', '~> 2.105.2'
-gem 'cocoapods', '~> 1.3.1'
+gem 'cocoapods', '~> 1.5.3'

Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    CFPropertyList (2.3.6)
+    CFPropertyList (3.0.0)
     activesupport (4.2.10)
       i18n (~> 0.7)
       minitest (~> 5.1)
@@ -9,76 +9,79 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
+    atomos (0.1.3)
     babosa (1.0.2)
     claide (1.0.2)
-    cocoapods (1.3.1)
+    cocoapods (1.5.3)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.3.1)
+      cocoapods-core (= 1.5.3)
-      cocoapods-deintegrate (>= 1.0.1, < 2.0)
+      cocoapods-deintegrate (>= 1.0.2, < 2.0)
-      cocoapods-downloader (>= 1.1.3, < 2.0)
+      cocoapods-downloader (>= 1.2.0, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
       cocoapods-search (>= 1.0.0, < 2.0)
       cocoapods-stats (>= 1.0.0, < 2.0)
-      cocoapods-trunk (>= 1.2.0, < 2.0)
+      cocoapods-trunk (>= 1.3.0, < 2.0)
       cocoapods-try (>= 1.1.0, < 2.0)
       colored2 (~> 3.1)
       escape (~> 0.0.4)
       fourflusher (~> 2.0.1)
       gh_inspector (~> 1.0)
-      molinillo (~> 0.5.7)
+      molinillo (~> 0.6.5)
       nap (~> 1.0)
       ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.1, < 2.0)
+      xcodeproj (>= 1.5.7, < 2.0)
-    cocoapods-core (1.3.1)
+    cocoapods-core (1.5.3)
       activesupport (>= 4.0.2, < 6)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
-    cocoapods-deintegrate (1.0.1)
+    cocoapods-deintegrate (1.0.2)
-    cocoapods-downloader (1.1.3)
+    cocoapods-downloader (1.2.1)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
     cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.0)
+    cocoapods-trunk (1.3.1)
       nap (>= 0.8, < 2.0)
       netrc (~> 0.11)
     cocoapods-try (1.1.0)
     colored (1.2)
     colored2 (3.1.2)
-    commander-fastlane (4.4.5)
+    commander-fastlane (4.4.6)
       highline (~> 1.7.2)
     concurrent-ruby (1.0.5)
     declarative (0.0.10)
     declarative-option (0.1.0)
-    domain_name (0.5.20170404)
+    domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.2.1)
+    dotenv (2.5.0)
+    emoji_regex (0.1.1)
     escape (0.0.4)
-    excon (0.60.0)
+    excon (0.62.0)
-    faraday (0.13.1)
+    faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
     faraday-cookie_jar (0.0.6)
       faraday (>= 0.7.4)
       http-cookie (~> 1.0.0)
     faraday_middleware (0.12.2)
       faraday (>= 0.7.4, < 1.0)
-    fastimage (2.1.1)
+    fastimage (2.1.4)
-    fastlane (2.75.1)
+    fastlane (2.105.2)
-      CFPropertyList (>= 2.3, < 3.0.0)
+      CFPropertyList (>= 2.3, < 4.0.0)
       addressable (>= 2.3, < 3.0.0)
       babosa (>= 1.0.2, < 2.0.0)
       bundler (>= 1.12.0, < 2.0.0)
       colored
-      commander-fastlane (>= 4.4.5, < 5.0.0)
+      commander-fastlane (>= 4.4.6, < 5.0.0)
       dotenv (>= 2.1.1, < 3.0.0)
+      emoji_regex (~> 0.1)
       excon (>= 0.45.0, < 1.0.0)
       faraday (~> 0.9)
       faraday-cookie_jar (~> 0.0.6)
       faraday_middleware (~> 0.9)
       fastimage (>= 2.1.0, < 3.0.0)
-      gh_inspector (>= 1.0.1, < 2.0.0)
+      gh_inspector (>= 1.1.2, < 2.0.0)
-      google-api-client (>= 0.13.1, < 0.14.0)
+      google-api-client (>= 0.21.2, < 0.24.0)
       highline (>= 1.7.2, < 2.0.0)
       json (< 3.0.0)
       mini_magick (~> 4.5.1)
@@ -87,100 +90,102 @@ GEM
       multipart-post (~> 2.0.0)
       plist (>= 3.1.0, < 4.0.0)
       public_suffix (~> 2.0.0)
-      rubyzip (>= 1.1.0, < 2.0.0)
+      rubyzip (>= 1.2.2, < 2.0.0)
       security (= 0.1.3)
-      slack-notifier (>= 1.3, < 2.0.0)
+      simctl (~> 1.6.3)
+      slack-notifier (>= 2.0.0, < 3.0.0)
       terminal-notifier (>= 1.6.2, < 2.0.0)
       terminal-table (>= 1.4.5, < 2.0.0)
       tty-screen (>= 0.6.3, < 1.0.0)
-      tty-spinner (>= 0.7.0, < 1.0.0)
+      tty-spinner (>= 0.8.0, < 1.0.0)
       word_wrap (~> 1.0.0)
-      xcodeproj (>= 1.5.2, < 2.0.0)
+      xcodeproj (>= 1.6.0, < 2.0.0)
-      xcpretty (>= 0.2.4, < 1.0.0)
+      xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3)
     fourflusher (2.0.1)
     fuzzy_match (2.0.4)
-    gh_inspector (1.0.3)
+    gh_inspector (1.1.3)
-    google-api-client (0.13.6)
+    google-api-client (0.23.9)
       addressable (~> 2.5, >= 2.5.1)
-      googleauth (~> 0.5)
+      googleauth (>= 0.5, < 0.7.0)
       httpclient (>= 2.8.1, < 3.0)
       mime-types (~> 3.0)
       representable (~> 3.0)
       retriable (>= 2.0, < 4.0)
-    googleauth (0.6.2)
+      signet (~> 0.9)
+    googleauth (0.6.6)
       faraday (~> 0.12)
       jwt (>= 1.4, < 3.0)
-      logging (~> 2.0)
       memoist (~> 0.12)
       multi_json (~> 1.11)
-      os (~> 0.9)
+      os (>= 0.9, < 2.0)
       signet (~> 0.7)
     highline (1.7.10)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    i18n (0.9.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     json (2.1.0)
     jwt (2.1.0)
-    little-plugger (1.1.4)
-    logging (2.2.2)
-      little-plugger (~> 1.1)
-      multi_json (~> 1.10)
     memoist (0.16.0)
-    mime-types (3.1)
+    mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2018.0812)
     mini_magick (4.5.1)
-    minitest (5.10.3)
+    minitest (5.11.3)
-    molinillo (0.5.7)
+    molinillo (0.6.6)
-    multi_json (1.13.0)
+    multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
-    nanaimo (0.2.3)
+    nanaimo (0.2.6)
     nap (1.1.0)
+    naturally (2.2.0)
     netrc (0.11.0)
-    os (0.9.6)
+    os (1.0.0)
     plist (3.4.0)
     public_suffix (2.0.5)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)
       uber (< 0.2.0)
-    retriable (3.1.1)
+    retriable (3.1.2)
     rouge (2.0.7)
-    ruby-macho (1.1.0)
+    ruby-macho (1.2.0)
-    rubyzip (1.2.1)
+    rubyzip (1.2.2)
     security (0.1.3)
-    signet (0.8.1)
+    signet (0.10.0)
       addressable (~> 2.3)
       faraday (~> 0.9)
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
-    slack-notifier (1.5.1)
+    simctl (1.6.5)
+      CFPropertyList
+      naturally
+    slack-notifier (2.3.2)
     terminal-notifier (1.8.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    tty-cursor (0.5.0)
+    tty-cursor (0.6.0)
-    tty-screen (0.6.4)
+    tty-screen (0.6.5)
-    tty-spinner (0.7.0)
+    tty-spinner (0.8.0)
       tty-cursor (>= 0.5.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uber (0.1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.4)
+    unf_ext (0.0.7.5)
-    unicode-display_width (1.3.0)
+    unicode-display_width (1.4.0)
     word_wrap (1.0.0)
-    xcodeproj (1.5.4)
+    xcodeproj (1.6.0)
-      CFPropertyList (~> 2.3.3)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.3)
+      nanaimo (~> 0.2.6)
-    xcpretty (0.2.8)
+    xcpretty (0.3.0)
       rouge (~> 2.0.7)
     xcpretty-travis-formatter (1.0.0)
       xcpretty (~> 0.2, >= 0.0.7)
@@ -189,8 +194,8 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  cocoapods (~> 1.3.1)
+  cocoapods (~> 1.5.3)
-  fastlane (~> 2.75)
+  fastlane (~> 2.105.2)
 
 BUNDLED WITH
-   1.16.0
+   1.16.1

README.md

@@ -9,7 +9,7 @@
 
 -----
 
-Add Google's [Invisible ReCaptcha](https://developers.google.com/recaptcha/docs/invisible) to your project. This library
+Add Google's [Invisible ReCaptcha v2](https://developers.google.com/recaptcha/docs/invisible) to your project. This library
 automatically handles ReCaptcha's events and retrieves the validation token or notifies you to present the challenge if
 invisibility is not possible.
 
@@ -17,13 +17,20 @@ invisibility is not possible.
 
 #### _Warning_ ⚠️
 
-Beware that this library only works for Invisible ReCaptcha keys! Make sure to check the Invisible reCAPTCHA option
+Beware that this library only works for ReCaptcha v2 Invisible keys! Make sure to check the reCAPTCHA
-when creating your [API Key](https://www.google.com/recaptcha/admin).
+v2 Invisible badge option when creating your [API Key](https://www.google.com/recaptcha/admin/create).
+
+![ReCaptcha v2 invisible key example](https://raw.githubusercontent.com/fjcaetano/ReCaptcha/master/example-v2-key.png)
+
+You won't be able to use a ReCaptcha v3 key because it requires server-side validation. On v3, all
+challenges succeed into a token which is then validated in the server for a score. For this reason,
+a frontend app can't know on its own wether or not a user is valid since the challenge will always
+result in a valid token.
 
 ## Installation
 
 ReCaptcha is available through [CocoaPods](http://cocoapods.org) and [Carthage](https://github.com/Carthage/Carthage).
-To install it, simply add the following line to your depedencies file:
+To install it, simply add the following line to your dependencies file:
 
 #### Cocoapods
 ``` ruby
@@ -42,7 +49,7 @@ extension for the ReCaptcha framework.
 
 ## Usage
 
-Simply add `ReCaptchaKey` and `ReCaptchaDomain` to your Info.plist and run:
+Simply add `ReCaptchaKey` and `ReCaptchaDomain` (with a protocol ex. http:// or https://) to your Info.plist and run:
 
 ``` swift
 let recaptcha = try? ReCaptcha()
@@ -57,7 +64,7 @@ override func viewDidLoad() {
 
 
 func validate() {
-    recaptcha?.validate(on: view) { [weak self] result in
+    recaptcha?.validate(on: view) { [weak self] (result: ReCaptchaResult) in
         print(try? result.dematerialize())
     }
 }
@@ -67,7 +74,6 @@ You can also install the reactive subpod and use it with RxSwift:
 
 ``` swift
 recaptcha.rx.validate(on: view)
-    .map { try $0.dematerialize() }
     .subscribe(onNext: { (token: String) in
         // Do something
     })
@@ -86,6 +92,13 @@ public enum Endpoint {
 let recaptcha = try? ReCaptcha(endpoint: .alternate) // Defaults to `default` when unset
 ```
 
+## Help Wanted
+
+Do you love ReCaptcha and work actively on apps that use it? We'd love if you could help us keep improving it!
+Feel free to message us or to start contributing right away!
+
+## [Full Documentation](http://fjcaetano.github.io/ReCaptcha)
+
 ## License
 
 ReCaptcha is available under the MIT license. See the LICENSE file for more info.

ReCaptcha-Carthage.xcodeproj/project.pbxproj

@@ -8,7 +8,6 @@
 
 /* Begin PBXBuildFile section */
 		F206BAB51F8D3DE900A25807 /* ReCaptcha-Carthage.h in Headers */ = {isa = PBXBuildFile; fileRef = F206BAB31F8D3DE900A25807 /* ReCaptcha-Carthage.h */; settings = {ATTRIBUTES = (Public, ); }; };
-		F206BAD31F8D3E7600A25807 /* Result.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F206BAD21F8D3E7600A25807 /* Result.framework */; };
 		F206BB1D1F8D4DBC00A25807 /* ReCaptcha_RxSwift.h in Headers */ = {isa = PBXBuildFile; fileRef = F206BB1B1F8D4DBC00A25807 /* ReCaptcha_RxSwift.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		F206BB221F8D4DDF00A25807 /* RxSwift.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F206BB121F8D4D1400A25807 /* RxSwift.framework */; };
 		F231B39A1FEC51C800F82943 /* DispatchQueue+Throttle.swift in Sources */ = {isa = PBXBuildFile; fileRef = F231B3991FEC51C800F82943 /* DispatchQueue+Throttle.swift */; };
@@ -19,7 +18,7 @@
 		F24EA1E51F968403001DEC17 /* ReCaptchaError.swift in Sources */ = {isa = PBXBuildFile; fileRef = F24EA1DB1F9683F5001DEC17 /* ReCaptchaError.swift */; };
 		F24EA1E61F968403001DEC17 /* ReCaptcha.swift in Sources */ = {isa = PBXBuildFile; fileRef = F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */; };
 		F24EA1E71F968406001DEC17 /* recaptcha.html in Resources */ = {isa = PBXBuildFile; fileRef = F24EA1E01F9683F5001DEC17 /* recaptcha.html */; };
-		F255FBEC1F8D5654002F5FA8 /* Result.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F255FBEB1F8D5654002F5FA8 /* Result.framework */; };
+		F2AE8614204F3B42002E28D7 /* ReCaptchaResult.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -37,7 +36,6 @@
 		F206BAB31F8D3DE900A25807 /* ReCaptcha-Carthage.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "ReCaptcha-Carthage.h"; sourceTree = "<group>"; };
 		F206BAB41F8D3DE900A25807 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		F206BACF1F8D3E2800A25807 /* Cartfile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = Cartfile; sourceTree = "<group>"; };
-		F206BAD21F8D3E7600A25807 /* Result.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Result.framework; path = Carthage/Build/iOS/Result.framework; sourceTree = "<group>"; };
 		F206BB121F8D4D1400A25807 /* RxSwift.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = RxSwift.framework; path = Carthage/Build/iOS/RxSwift.framework; sourceTree = "<group>"; };
 		F206BB191F8D4DBC00A25807 /* ReCaptcha_RxSwift.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = ReCaptcha_RxSwift.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		F206BB1B1F8D4DBC00A25807 /* ReCaptcha_RxSwift.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ReCaptcha_RxSwift.h; sourceTree = "<group>"; };
@@ -50,7 +48,7 @@
 		F24EA1DD1F9683F5001DEC17 /* ReCaptcha+Rx.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ReCaptcha+Rx.swift"; sourceTree = "<group>"; };
 		F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReCaptcha.swift; sourceTree = "<group>"; };
 		F24EA1E01F9683F5001DEC17 /* recaptcha.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = recaptcha.html; sourceTree = "<group>"; };
-		F255FBEB1F8D5654002F5FA8 /* Result.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Result.framework; path = "../ReCaptcha Carthage Test/Carthage/Build/iOS/Result.framework"; sourceTree = "<group>"; };
+		F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ReCaptchaResult.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -58,7 +56,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				F206BAD31F8D3E7600A25807 /* Result.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -67,7 +64,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				F206BB221F8D4DDF00A25807 /* RxSwift.framework in Frameworks */,
-				F255FBEC1F8D5654002F5FA8 /* Result.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -108,9 +104,7 @@
 		F206BAD11F8D3E7600A25807 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
-				F255FBEB1F8D5654002F5FA8 /* Result.framework */,
 				F206BB121F8D4D1400A25807 /* RxSwift.framework */,
-				F206BAD21F8D3E7600A25807 /* Result.framework */,
 			);
 			name = Frameworks;
 			sourceTree = "<group>";
@@ -147,6 +141,7 @@
 				F24EA1D91F9683F5001DEC17 /* ReCaptchaWebViewManager.swift */,
 				F24EA1DA1F9683F5001DEC17 /* String+Dict.swift */,
 				F24EA1DB1F9683F5001DEC17 /* ReCaptchaError.swift */,
+				F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */,
 				F231B3991FEC51C800F82943 /* DispatchQueue+Throttle.swift */,
 				F24EA1DC1F9683F5001DEC17 /* Rx */,
 				F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */,
@@ -291,6 +286,7 @@
 			files = (
 				F24EA1E51F968403001DEC17 /* ReCaptchaError.swift in Sources */,
 				F24EA1E21F968403001DEC17 /* ReCaptchaDecoder.swift in Sources */,
+				F2AE8614204F3B42002E28D7 /* ReCaptchaResult.swift in Sources */,
 				F24EA1E61F968403001DEC17 /* ReCaptcha.swift in Sources */,
 				F24EA1E31F968403001DEC17 /* ReCaptchaWebViewManager.swift in Sources */,
 				F24EA1E41F968403001DEC17 /* String+Dict.swift in Sources */,
@@ -371,6 +367,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -423,6 +420,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -448,7 +446,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.flaviocaetano.ReCaptcha;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -470,7 +468,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.flaviocaetano.ReCaptcha;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -494,7 +492,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-RxSwift";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -518,7 +516,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-RxSwift";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

ReCaptcha.podspec

@@ -1,20 +1,22 @@
 
 Pod::Spec.new do |s|
   s.name             = 'ReCaptcha'
-  s.version          = '1.0.2'
+  s.version          = '1.4.2'
   s.summary          = 'ReCaptcha for iOS'
-
+  s.swift_version    = '4.2'
+  
   s.description      = <<-DESC
 Add Google's [Invisible ReCaptcha](https://developers.google.com/recaptcha/docs/invisible) to your project. This library
 automatically handles ReCaptcha's events and retrieves the validation token or notifies you to present the challenge if
 invisibility is not possible.
                        DESC
 
-  s.homepage         = 'https://github.com/fjcaetano/ReCaptcha'
+  s.homepage          = 'https://github.com/fjcaetano/ReCaptcha'
-  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.license           = { :type => 'MIT', :file => 'LICENSE' }
-  s.author           = { 'Flávio Caetano' => 'flavio@vieiracaetano.com' }
+  s.author            = { 'Flávio Caetano' => 'flavio@vieiracaetano.com' }
-  s.source           = { :git => 'https://github.com/fjcaetano/ReCaptcha.git', :tag => s.version.to_s }
+  s.source            = { :git => 'https://github.com/fjcaetano/ReCaptcha.git', :tag => s.version.to_s }
-  s.social_media_url = 'https://twitter.com/flavio_caetano'
+  s.social_media_url  = 'https://twitter.com/flavio_caetano'
+  s.documentation_url = 'http://fjcaetano.github.io/ReCaptcha'
 
   s.ios.deployment_target = '8.0'
   s.default_subspecs = 'Core'
@@ -22,7 +24,6 @@ invisibility is not possible.
   s.subspec 'Core' do |core|
     core.source_files = 'ReCaptcha/Classes/*'
     core.frameworks = 'WebKit'
-    core.dependency 'Result', '~> 3.0'
 
     core.resource_bundles = {
       'ReCaptcha' => ['ReCaptcha/Assets/**/*']
@@ -32,6 +33,6 @@ invisibility is not possible.
   s.subspec 'RxSwift' do |rx|
     rx.source_files = 'ReCaptcha/Classes/Rx/**/*'
     rx.dependency 'ReCaptcha/Core'
-    rx.dependency 'RxSwift', '~> 4.0'
+    rx.dependency 'RxSwift', '~> 4.3'
   end
 end

ReCaptcha/Assets/recaptcha.html

@@ -2,6 +2,19 @@
 <head>
   <meta name="viewport" content="width=device-width" />
   <script type="text/javascript">
+  var post = function(value) {
+    window.webkit.messageHandlers.recaptcha.postMessage(value);
+  };
+
+  console.log = function(message) {
+      post({log: message});
+  };
+
+  var showReCaptcha = function() {
+      console.log("showReCaptcha");
+      post({action: "showReCaptcha"});
+  };
+  
   var observeDOM = function(element, completion) {
     new MutationObserver(function(mutations) {
       mutations.forEach(function(mutationRecord) {
@@ -12,6 +25,8 @@
   };
 
   var execute = function() {
+    console.log("executing");
+
     // Removes ReCaptcha dismissal when clicking outside div area
     try {
         document.getElementsByTagName("div")[4].outerHTML = ""
@@ -20,26 +35,29 @@
     }
 
     // Listens to changes on the div element that presents the ReCaptcha challenge
-    observeDOM(document.getElementsByTagName("div")[3], function() {
+    observeDOM(document.getElementsByTagName("div")[3], showReCaptcha);
-      console.log({action: "showReCaptcha"});
-      window.webkit.messageHandlers.recaptcha.postMessage({action: "showReCaptcha"});
-    });
 
     grecaptcha.execute();
-  }
+  };
 
   var onSubmit = function(token) {
     console.log(token);
-    window.webkit.messageHandlers.recaptcha.postMessage({token: token});
+    post({token: token});
   };
 
   var onloadCallback = function() {
+    console.log("did load");
     grecaptcha.render('submit', {
       'sitekey' : '${apiKey}',
       'callback' : onSubmit,
       'size': 'invisible'
     });
   };
+
+  var reset = function() {
+      console.log("resetting");
+      grecaptcha.reset();
+  };
   </script>
 </head>
 <body>

ReCaptcha/Classes/DispatchQueue+Throttle.swift

@@ -3,15 +3,25 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 21/12/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation
 
-private var workItems = [AnyHashable: DispatchWorkItem]()
+/// Adds throttling to dispatch queues
-private let nilContext = UUID()
-
 extension DispatchQueue {
+    /// Stores a throttle DispatchWorkItem instance for a given context
+    private static var workItems = [AnyHashable: DispatchWorkItem]()
+
+    /// Stores the last call times for a given context
+    private static var lastDebounceCallTimes = [AnyHashable: DispatchTime]()
+
+    /// Dispatched actions' token storage
+    private static var onceTokenStorage = Set<AnyHashable>()
+
+    /// An object representing a context if none is given
+    private static let nilContext = UUID()
+
     /**
      - parameters:
          - deadline: The timespan to delay a closure execution
@@ -22,13 +32,53 @@ extension DispatchQueue {
      */
     func throttle(deadline: DispatchTime, context: AnyHashable = nilContext, action: @escaping () -> Void) {
         let worker = DispatchWorkItem {
-            defer { workItems[context] = nil }
+            defer { DispatchQueue.workItems.removeValue(forKey: context) }
             action()
         }
 
         asyncAfter(deadline: deadline, execute: worker)
 
-        workItems[context]?.cancel()
+        DispatchQueue.workItems[context]?.cancel()
-        workItems[context] = worker
+        DispatchQueue.workItems[context] = worker
+    }
+
+    /**
+     - parameters:
+         - interval: The interval in which new calls will be ignored
+         - context: The context in which the debounce should be executed
+         - action: The closure to be executed
+
+     Executes a closure and ensures no other executions will be made during the interval.
+     */
+    func debounce(interval: Double, context: AnyHashable = nilContext, action: @escaping () -> Void) {
+        let now = DispatchTime.now()
+        if let last = DispatchQueue.lastDebounceCallTimes[context], last + interval > now {
+            return
+        }
+
+        DispatchQueue.lastDebounceCallTimes[context] = now + interval
+        async(execute: action)
+
+        // Cleanup & release context
+        throttle(deadline: now + interval) {
+            DispatchQueue.lastDebounceCallTimes.removeValue(forKey: context)
+        }
+    }
+
+    /**
+     - parameters:
+         - token: The control token for each dispatched action
+         - action: The closure to be executed
+
+     Dispatch the action only once for each given token
+    */
+    static func once(token: AnyHashable, action: () -> Void) {
+        guard !onceTokenStorage.contains(token) else { return }
+
+        defer { objc_sync_exit(self) }
+        objc_sync_enter(self)
+
+        onceTokenStorage.insert(token)
+        action()
     }
 }

ReCaptcha/Classes/ReCaptcha.swift

@@ -3,16 +3,18 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 22/03/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation
 import WebKit
 
 
-/** The public facade of ReCaptcha
+/**
 */
-open class ReCaptcha: ReCaptchaWebViewManager {
+public class ReCaptcha {
+    public typealias BoolParameterClosure = (Bool) -> ()
+    
     fileprivate struct Constants {
         struct InfoDictKeys {
             static let APIKey = "ReCaptchaKey"
@@ -23,22 +25,26 @@ open class ReCaptcha: ReCaptchaWebViewManager {
     /// The JS API endpoint to be loaded onto the HTML file.
     public enum Endpoint {
         /** Google's default endpoint. Points to
-         https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit
+         https://www.google.com/recaptcha/api.js
          */
         case `default`
 
         /// Alternate endpoint. Points to https://www.recaptcha.net/recaptcha/api.js
         case alternate
 
-        fileprivate var url: String {
+        internal func getURL(locale: Locale?) -> String {
+            let localeAppendix = locale.map { "&hl=\($0.identifier)" } ?? ""
             switch self {
-            case .default: return "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"
+            case .default:
-            case .alternate: return "https://www.recaptcha.net/recaptcha/api.js"
+                return "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit" + localeAppendix
+            case .alternate:
+                return "https://www.recaptcha.net/recaptcha/api.js?onload=onloadCallback&render=explicit"
+                    + localeAppendix
             }
         }
     }
 
-    /** Internal data model for DI in unit tests
+    /** Internal data model for CI in unit tests
      */
     struct Config {
         /// The raw unformated HTML file content
@@ -93,16 +99,26 @@ open class ReCaptcha: ReCaptchaWebViewManager {
 
             self.html = rawHTML
             self.apiKey = apiKey
-            self.baseURL = domain
+            self.baseURL = Config.fixSchemeIfNeeded(for: domain)
         }
     }
 
+    /// Callback for WebView loading state changing
+    public var onLoadingChanged: BoolParameterClosure? {
+        get { return manager.onLoadingChanged }
+        set { manager.onLoadingChanged = newValue }
+    }
+
+    /// The worker that handles webview events and communication
+    let manager: ReCaptchaWebViewManager
+
     /**
      - parameters:
          - apiKey: The API key sent to the ReCaptcha init
          - infoPlistKey: The API key retrived from the application's Info.plist
          - baseURL: The base URL sent to the ReCaptcha init
          - infoPlistURL: The base URL retrieved from the application's Info.plist
+         - locale: A locale value to translate ReCaptcha into a different language
      
      Initializes a ReCaptcha object
 
@@ -118,13 +134,124 @@ open class ReCaptcha: ReCaptchaWebViewManager {
          Info.plist.
      - Throws: Rethrows any exceptions thrown by `String(contentsOfFile:)`
      */
-    public init(apiKey: String? = nil, baseURL: URL? = nil, endpoint: Endpoint = .default) throws {
+    public convenience init(
+        apiKey: String? = nil,
+        baseURL: URL? = nil,
+        endpoint: Endpoint = .default,
+        locale: Locale? = nil
+    ) throws {
         let infoDict = Bundle.main.infoDictionary
 
         let plistApiKey = infoDict?[Constants.InfoDictKeys.APIKey] as? String
         let plistDomain = (infoDict?[Constants.InfoDictKeys.Domain] as? String).flatMap(URL.init(string:))
 
         let config = try Config(apiKey: apiKey, infoPlistKey: plistApiKey, baseURL: baseURL, infoPlistURL: plistDomain)
-        super.init(html: config.html, apiKey: config.apiKey, baseURL: config.baseURL, endpoint: endpoint.url)
+
+        self.init(manager: ReCaptchaWebViewManager(
+            html: config.html,
+            apiKey: config.apiKey,
+            baseURL: config.baseURL,
+            endpoint: endpoint.getURL(locale: locale)
+        ))
+    }
+
+    /**
+     - parameter manager: A ReCaptchaWebViewManager instance.
+
+      Initializes ReCaptcha with the given manager
+    */
+    init(manager: ReCaptchaWebViewManager) {
+        self.manager = manager
+    }
+
+    /**
+     - parameters:
+         - view: The view that should present the webview.
+         - resetOnError: If ReCaptcha should be reset if it errors. Defaults to `true`.
+         - completion: A closure that receives a ReCaptchaResult which may contain a valid result token.
+
+     Starts the challenge validation
+    */
+    public func validate(on view: UIView, resetOnError: Bool = true, completion: @escaping (ReCaptchaResult) -> Void) {
+        manager.shouldResetOnError = resetOnError
+        manager.completion = completion
+
+        manager.validate(on: view)
+    }
+
+
+    /// Stops the execution of the webview
+    public func stop() {
+        manager.stop()
+    }
+
+
+    /**
+     - parameter configure: A closure that receives an instance of `WKWebView` for configuration.
+
+     Provides a closure to configure the webview for presentation if necessary.
+
+     If presentation is required, the webview will already be a subview of `presenterView` if one is provided. Otherwise
+     it might need to be added in a view currently visible.
+    */
+    public func configureWebView(_ configure: @escaping (WKWebView) -> Void) {
+        manager.configureWebView = configure
+    }
+
+    /**
+     Resets the ReCaptcha.
+
+     The reset is achieved by calling `grecaptcha.reset()` on the JS API.
+    */
+    public func reset() {
+        manager.reset()
+    }
+
+    // MARK: - Development
+
+#if DEBUG
+    /// Forces the challenge widget to be explicitly displayed.
+    public var forceVisibleChallenge: Bool {
+        get { return manager.forceVisibleChallenge }
+        set { manager.forceVisibleChallenge = newValue }
+    }
+
+    /**
+     Allows validation stubbing for testing
+
+     When this property is set to `true`, every call to `validate()` will immediately be resolved with `.token("")`.
+     
+     Use only when testing your application.
+    */
+    public var shouldSkipForTests: Bool {
+        get { return manager.shouldSkipForTests }
+        set { manager.shouldSkipForTests = newValue }
+    }
+#endif
+}
+
+// MARK: - Private Methods
+
+private extension ReCaptcha.Config {
+    /**
+     - parameter url: The URL to be fixed
+     - returns: An URL with scheme
+
+     If the given URL has no scheme, prepends `http://` to it and return the fixed URL.
+     */
+    static func fixSchemeIfNeeded(for url: URL) -> URL {
+        guard url.scheme?.isEmpty != false else {
+            return url
+        }
+
+#if DEBUG
+        print("⚠️ WARNING! Protocol not found for ReCaptcha domain (\(url))! You should add http:// or https:// to it!")
+#endif
+
+        if let fixedURL = URL(string: "http://" + url.absoluteString) {
+            return fixedURL
+        }
+
+        return url
     }
 }

ReCaptcha/Classes/ReCaptchaDecoder.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 22/03/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation
@@ -27,6 +27,9 @@ internal class ReCaptchaDecoder: NSObject {
 
         /// Did finish loading resources
         case didLoad
+
+        /// Logs a string onto the console
+        case log(String)
     }
 
     /// The closure that receives messages
@@ -100,6 +103,10 @@ fileprivate extension ReCaptchaDecoder.Result {
             }
         }
 
+        if let message = response["log"] as? String {
+            return .log(message)
+        }
+
         return .error(.wrongMessageFormat)
     }
 }

ReCaptcha/Classes/ReCaptchaError.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 22/03/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation
@@ -22,7 +22,7 @@ public enum ReCaptchaError: Error, CustomStringConvertible {
     /// ReCaptchaDomain was not provided
     case baseURLNotFound
 
-    /// Received an unexpeted message from javascript
+    /// Received an unexpected message from javascript
     case wrongMessageFormat
 
 

ReCaptcha/Classes/ReCaptchaResult.swift

@@ -0,0 +1,38 @@
+//
+//  ReCaptchaWebViewManager.swift
+//  ReCaptcha
+//
+//  Created by Flávio Caetano on 06/03/17.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
+//
+
+import Foundation
+
+/** The ReCaptcha result.
+
+ This may contain the validation token on success, or an error that may have occurred.
+ */
+public enum ReCaptchaResult {
+    /// The validation token.
+    case token(String)
+
+    /// An error that may have occurred.
+    case error(ReCaptchaError)
+
+    /**
+     - returns: The validation token uppon success.
+
+     Tries to unwrap the Result and retrieve the token if it's successful.
+
+     - Throws: `ReCaptchaError`
+     */
+    public func dematerialize() throws -> String {
+        switch self {
+        case .token(let token):
+            return token
+
+        case .error(let error):
+            throw error
+        }
+    }
+}

ReCaptcha/Classes/ReCaptchaWebViewManager.swift

@@ -3,126 +3,99 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 22/03/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation
-import Result
 import WebKit
 
 
 /** Handles comunications with the webview containing the ReCaptcha challenge.
  */
-open class ReCaptchaWebViewManager {
+internal class ReCaptchaWebViewManager {
-    public typealias Response = Result<String, ReCaptchaError>
-
-    /** The `webView` delegate object that performs execution uppon script loading
-     */
-    fileprivate class WebViewDelegate: NSObject, WKNavigationDelegate {
-        /// The parent manager
-        private weak var manager: ReCaptchaWebViewManager?
-
-        /// The active requests' urls
-        private var activeRequests = Set<String>(minimumCapacity: 0)
-
-        /// - parameter manager: The parent manager
-        init(manager: ReCaptchaWebViewManager) {
-            self.manager = manager
-        }
-
-        /**
-         - parameters:
-             - webView: The web view invoking the delegate method.
-             - navigationAction: Descriptive information about the action triggering the navigation request.
-             - decisionHandler: The decision handler to call to allow or cancel the navigation. The argument is one of
-         the constants of the enumerated type WKNavigationActionPolicy.
-
-         Decides whether to allow or cancel a navigation.
-         */
-        func webView(
-            _ webView: WKWebView,
-            decidePolicyFor navigationAction: WKNavigationAction,
-            decisionHandler: @escaping (WKNavigationActionPolicy
-        ) -> Void) {
-            defer { decisionHandler(.allow) }
-
-            if let url = navigationAction.request.url, let host = url.host, let endpoint = manager?.endpoint,
-                endpoint.range(of: host) != nil {
-                activeRequests.insert(url.absoluteString)
-            }
-        }
-
-        /**
-         - parameters:
-            - webView: The web view invoking the delegate method.
-            - navigationResponse: Descriptive information about the navigation response.
-            - decisionHandler: A block to be called when your app has decided whether to allow or cancel the navigation
-
-         Decides whether to allow or cancel a navigation after its response is known.
-         */
-        func webView(
-            _ webView: WKWebView,
-            decidePolicyFor navigationResponse: WKNavigationResponse,
-            decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void
-        ) {
-            defer { decisionHandler(.allow) }
-            guard let url = navigationResponse.response.url?.absoluteString,
-                activeRequests.remove(url) != nil, activeRequests.isEmpty else {
-                    return
-            }
-
-            execute()
-        }
-
-        /// Flag the requests as finished and call ReCaptcha execution if necessary
-        func execute() {
-            DispatchQueue.main.throttle(deadline: .now() + 1, context: self) { [weak self] in
-                // Did finish loading the ReCaptcha JS source
-                self?.manager?.didFinishLoading = true
-
-                if self?.manager?.completion != nil {
-                    // User has requested for validation
-                    self?.manager?.execute()
-                }
-            }
-        }
-    }
 
     fileprivate struct Constants {
         static let ExecuteJSCommand = "execute();"
+        static let ResetCommand = "reset();"
+        static let BotUserAgent = "Googlebot/2.1"
+        static let NumberOfDivsCommand = "document.getElementsByTagName(\"div\").length"
+
+        static let MinNumberOfDivs = 5
+        static let NumberOfDivsFinishedLoadingAttempts = 10
+
+        // A page doesn't have enough time to load on old devices
+        static let NumberOfDivsLoadingDelay = 0.5
     }
 
+#if DEBUG
+    /// Forces the challenge to be explicitly displayed.
+    var forceVisibleChallenge = false {
+        didSet {
+            // Also works on iOS < 9
+            webView.performSelector(
+                onMainThread: "_setCustomUserAgent:",
+                with: forceVisibleChallenge ? Constants.BotUserAgent : nil,
+                waitUntilDone: true
+            )
+        }
+    }
+
+    /// Allows validation stubbing for testing
+    public var shouldSkipForTests = false
+#endif
+
+    /// Callback for loading state changing
+    var onLoadingChanged: ReCaptcha.BoolParameterClosure?
+
     /// Sends the result message
-    fileprivate var completion: ((Response) -> Void)?
+    var completion: ((ReCaptchaResult) -> Void)?
 
     /// Configures the webview for display when required
-    fileprivate var configureWebView: ((WKWebView) -> Void)?
+    var configureWebView: ((WKWebView) -> Void)?
+
+    /// The dispatch token used to ensure `configureWebView` is only called once.
+    var configureWebViewDispatchToken = UUID()
+
+    /// If the ReCaptcha should be reset when it errors
+    var shouldResetOnError = true
 
     /// The JS message recoder
     fileprivate var decoder: ReCaptchaDecoder!
 
     /// Indicates if the script has already been loaded by the `webView`
-    fileprivate var didFinishLoading = false // webView.isLoading does not work in this case
+    fileprivate var didFinishLoading = false { // webView.isLoading does not work for WKWebview.loadHTMLString
+        didSet {
+            if didFinishLoading && completion != nil {
+                // User has requested for validation
+                // A small delay is necessary to allow JS to wrap its operations and avoid errors.
+                DispatchQueue.main.asyncAfter(deadline: .now() + 0.05) { [weak self] in
+                    self?.execute()
+                }
+            }
+        }
+    }
 
     /// The observer for `.UIWindowDidBecomeVisible`
     fileprivate var observer: NSObjectProtocol?
 
+    /// The observer for `\WKWebView.estimatedProgress`
+    fileprivate var loadingObservation: NSKeyValueObservation?
+
     /// The endpoint url being used
     fileprivate var endpoint: String
 
-    /// The `webView` delegate implementation
-    fileprivate lazy var webviewDelegate: WebViewDelegate = {
-        WebViewDelegate(manager: self)
-    }()
-
     /// The webview that executes JS code
-    fileprivate lazy var webView: WKWebView = {
+    lazy var webView: WKWebView = {
         let webview = WKWebView(
             frame: CGRect(x: 0, y: 0, width: 1, height: 1),
             configuration: self.buildConfiguration()
         )
-        webview.navigationDelegate = self.webviewDelegate
+        webview.accessibilityIdentifier = "webview"
+        webview.accessibilityTraits = UIAccessibilityTraits.link
         webview.isHidden = true
+        self.loadingObservation = webview.observe(\.estimatedProgress, options: [.new]) { [weak self] _, change in
+            self?.didFinishLoading = change.newValue == 1
+        }
 
         return webview
     }()
@@ -136,6 +109,7 @@ open class ReCaptchaWebViewManager {
      */
     init(html: String, apiKey: String, baseURL: URL, endpoint: String) {
         self.endpoint = endpoint
+
         self.decoder = ReCaptchaDecoder { [weak self] result in
             self?.handle(result: result)
         }
@@ -147,7 +121,7 @@ open class ReCaptchaWebViewManager {
         }
         else {
             observer = NotificationCenter.default.addObserver(
-                forName: .UIWindowDidBecomeVisible,
+                forName: UIWindow.didBecomeVisibleNotification,
                 object: nil,
                 queue: nil
             ) { [weak self] notification in
@@ -157,19 +131,20 @@ open class ReCaptchaWebViewManager {
         }
     }
 
-
     /**
-     - parameters:
+     - parameter view: The view that should present the webview.
-         - view: The view that should present the webview.
-         - completion: A closure that receives a Result<String, NSError> which may contain a valid result token.
 
      Starts the challenge validation
      */
-    open func validate(on view: UIView, completion: @escaping (Response) -> Void) {
+     func validate(on view: UIView) {
-        self.completion = completion
+        onLoadingChanged?(true)
-
+#if DEBUG
+        guard !shouldSkipForTests else {
+            completion?(.token(""))
+            return
+        }
+#endif
         webView.isHidden = false
-        webView.removeFromSuperview()
         view.addSubview(webView)
 
         execute()
@@ -177,21 +152,24 @@ open class ReCaptchaWebViewManager {
 
 
     /// Stops the execution of the webview
-    open func stop() {
+    func stop() {
         webView.stopLoading()
     }
 
-
     /**
-     - parameter configure: A closure that receives an instance of `WKWebView` for configuration.
+     Resets the ReCaptcha.
 
-     Provides a closure to configure the webview for presentation if necessary.
+     The reset is achieved by calling `grecaptcha.reset()` on the JS API.
-
-     If presentation is required, the webview will already be a subview of `presenterView` if one is provided. Otherwise
-     it might need to be added in a view currently visible.
      */
-    open func configureWebView(_ configure: @escaping (WKWebView) -> Void) {
+    func reset() {
-        self.configureWebView = configure
+        didFinishLoading = false
+        configureWebViewDispatchToken = UUID()
+
+        webView.evaluateJavaScript(Constants.ResetCommand) { [weak self] _, error in
+            if let error = error {
+                self?.decoder.send(error: .unexpected(error))
+            }
+        }
     }
 }
 
@@ -200,8 +178,7 @@ open class ReCaptchaWebViewManager {
 /** Private methods for ReCaptchaWebViewManager
  */
 fileprivate extension ReCaptchaWebViewManager {
-
+    /** Executes the JS command that loads the ReCaptcha challenge after a page finished loading.
-    /** Executes the JS command that loads the ReCaptcha challenge.
      This method has no effect if the webview hasn't finished loading.
      */
     func execute() {
@@ -210,10 +187,65 @@ fileprivate extension ReCaptchaWebViewManager {
             return
         }
 
+        evaluateExecuteWhenLoadingFinished(count: 0)
+    }
+
+    /**
+     - parameter count: Number of checks of number of divs
+
+     Executes the JS command that returns number of divs.
+     */
+    func evaluateExecuteWhenLoadingFinished(count: Int) {
+        webView.evaluateJavaScript(Constants.NumberOfDivsCommand) { [weak self] (result, error) -> Void in
+            if let error = error {
+                self?.decoder.send(error: .unexpected(error))
+                self?.onLoadingChanged?(false)
+            } else {
+                self?.handleNumberOfDivs(result: result, count: count)
+            }
+        }
+    }
+
+    /**
+     - parameters:
+        - result: Result of number of divs command evaluation
+        - count: Number of checks of divs count
+
+     Handles number of divs command result.
+     */
+    func handleNumberOfDivs(result: Any?, count: Int) {
+        if let result = result as? Int, result >= Constants.MinNumberOfDivs {
+            evaluateExecute()
+        } else {
+            handleInvalidNumberOfDivsResult(count: count)
+        }
+    }
+
+    /**
+     - parameter count: Number of checks of number of divs
+
+     Handles invalid number of divs.
+     */
+    func handleInvalidNumberOfDivsResult(count: Int) {
+        if count < Constants.NumberOfDivsFinishedLoadingAttempts {
+            DispatchQueue.main.asyncAfter(deadline: .now() + Constants.NumberOfDivsLoadingDelay) { [weak self] in
+                self?.evaluateExecuteWhenLoadingFinished(count: count + 1)
+            }
+        } else {
+            decoder.send(error: .htmlLoadError)
+            onLoadingChanged?(false)
+        }
+    }
+
+    /**
+     Executes the JS command that loads the ReCaptcha challenge.
+     */
+    func evaluateExecute() {
         webView.evaluateJavaScript(Constants.ExecuteJSCommand) { [weak self] _, error in
             if let error = error {
                 self?.decoder.send(error: .unexpected(error))
             }
+            self?.onLoadingChanged?(false)
         }
     }
 
@@ -240,17 +272,31 @@ fileprivate extension ReCaptchaWebViewManager {
     func handle(result: ReCaptchaDecoder.Result) {
         switch result {
         case .token(let token):
-            completion?(.success(token))
+            completion?(.token(token))
 
         case .error(let error):
-            completion?(.failure(error))
+            if shouldResetOnError, let view = webView.superview {
+                reset()
+                validate(on: view)
+            }
+            else {
+                completion?(.error(error))
+            }
 
         case .showReCaptcha:
-            configureWebView?(webView)
+            DispatchQueue.once(token: configureWebViewDispatchToken) { [weak self] in
+                guard let `self` = self else { return }
+                self.configureWebView?(self.webView)
+            }
 
         case .didLoad:
             // For testing purposes
-            webviewDelegate.execute()
+            didFinishLoading = true
+
+        case .log(let message):
+            #if DEBUG
+            print("[JS LOG]:", message)
+            #endif
         }
     }
 

ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift

@@ -3,40 +3,85 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 11/04/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import RxSwift
 import UIKit
 
-/// Makes ReCaptchaWebViewManager compatible with RxSwift extensions
+public enum ReCaptchaRxError: Error {
-extension ReCaptchaWebViewManager: ReactiveCompatible {}
+    case baseWasReleased
+}
 
-/// Provides a public extension on ReCaptchaWebViewManager that makes it reactive.
+/// Makes ReCaptcha compatible with RxSwift extensions
-public extension Reactive where Base: ReCaptchaWebViewManager {
+extension ReCaptcha: ReactiveCompatible {}
+
+/// Provides a public extension on ReCaptcha that makes it reactive.
+public extension Reactive where Base: ReCaptcha {
 
     /**
-     - parameter view: The view that should present the webview.
+     - parameters:
+        - view: The view that should present the webview.
+        - resetOnError: If ReCaptcha should be reset if it errors. Defaults to `true`
      
      Starts the challenge validation uppon subscription.
 
-     The stream's element is a `Result<String, ReCaptchaError>` that may contain a valid token.
+     The stream's element is a String with the validation token.
 
      Sends `stop()` uppon disposal.
      
-     - See: `ReCaptchaWebViewManager.validate(on:completion:)`
+     - See: `ReCaptcha.validate(on:resetOnError:completion:)`
-     - See: `ReCaptchaWebViewManager.stop()`
+     - See: `ReCaptcha.stop()`
      */
-    func validate(on view: UIView) -> Observable<Base.Response> {
+    func validate(on view: UIView, resetOnError: Bool = true) -> Observable<String> {
-        return Observable<Base.Response>.create { [weak base] (observer: AnyObserver<Base.Response>) in
+        return Single<String>.create { [weak base] single in
-            base?.validate(on: view) { response in
+            base?.validate(on: view, resetOnError: resetOnError) { result in
-                observer.onNext(response)
+                switch result {
-                observer.onCompleted()
+                case .token(let token):
+                    single(.success(token))
+
+                case .error(let error):
+                    single(.error(error))
+                }
             }
 
             return Disposables.create { [weak base] in
                 base?.stop()
             }
         }
+        .asObservable()
+    }
+
+    /**
+     Resets the ReCaptcha.
+
+     The reset is achieved by calling `grecaptcha.reset()` on the JS API.
+
+     - See: `ReCaptcha.reset()`
+     */
+    var reset: AnyObserver<Void> {
+        return AnyObserver { [weak base] event in
+            guard case .next = event else {
+                return
+            }
+
+            base?.reset()
+        }
+    }
+
+    /**
+     Observable of loading state
+     (will not work if someone changes onLoadingChanged variable; current onLodinglChanged will not work after subscription)
+    */
+    var loadingObservable: Observable<Bool> {
+        return .create { [weak base] observer -> Disposable in
+            guard let base = base else {
+                observer.onError(ReCaptchaRxError.baseWasReleased)
+                return Disposables.create()
+            }
+
+            base.onLoadingChanged = { observer.onNext($0) }
+            return Disposables.create { [weak base] in base?.onLoadingChanged = nil }
+        }
     }
 }

ReCaptcha/Classes/String+Dict.swift

@@ -3,7 +3,7 @@
 //  ReCaptcha
 //
 //  Created by Flávio Caetano on 10/10/17.
-//  Copyright © 2017 ReCaptcha. All rights reserved.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
 import Foundation

fastlane/Fastfile

@@ -10,10 +10,10 @@ default_platform :ios
 platform :ios do
   skip_docs
 
-  devices = ["iPhone X (11.0)"]
+  devices = ["iPhone XR (~> 12)"]
-  devices << "iPhone 7 (10.0)" if !Helper.is_ci?
+  devices << "iPhone X (~> 11)" if !Helper.is_ci?
-  devices << "iPhone 6 (9.0)" if !Helper.is_ci?
+  devices << "iPhone 7 (~> 10)" if !Helper.is_ci?
-  devices << "iPhone 5s (8.1)" if !Helper.is_ci?
+  devices << "iPhone 6s (~> 9)" if !Helper.is_ci?
 
   desc "Runs the following lanes:\n- test\n- pod_lint\n- carthage_lint"
   lane :ci do
@@ -32,6 +32,7 @@ platform :ios do
     swiftlint(
       executable: "Example/Pods/Swiftlint/swiftlint",
       strict: true,
+      reporter: "emoji",
     )
 
     # The problem lies in the fact (or rather: serious bug in xcodebuild) that
@@ -42,7 +43,7 @@ platform :ios do
     # https://stackoverflow.com/questions/37922146/xctests-failing-on-physical-device-canceling-tests-due-to-timeout/40790171#40790171
     scan(
       build_for_testing: true,
-      devices: devices,
+      devices: self.select_similar_simulator(devices),
       scheme: "ReCaptcha-Example",
       workspace: "Example/ReCaptcha.xcworkspace",
       code_coverage: true,
@@ -50,7 +51,7 @@ platform :ios do
 
     scan(
       test_without_building: true,
-      devices: devices,
+      devices: self.select_similar_simulator(devices),
       scheme: "ReCaptcha-Example",
       workspace: "Example/ReCaptcha.xcworkspace",
       code_coverage: true,
@@ -125,18 +126,17 @@ platform :ios do
     )
   end
 
-  after_all do |lane|
+  # Private
-    # This block is called, only if the executed lane was successful
 
-    # slack(
+  def select_similar_simulator(args)
-    #   message: "Successfully deployed new App Update."
+    args.map { |device_string|
-    # )
+      pieces = device_string.split(' (')
-  end
+      FastlaneCore::Simulator.all
-
+        .select { |s| s.name == pieces.first }
-  error do |lane, exception|
+        .sort_by { |s| Gem::Version.create(s.os_version) }
-    # slack(
+        .detect { |s| Gem::Requirement.new(pieces[1].tr('()', '')).satisfied_by?(Gem::Version.create(s.os_version)) }
-    #   message: exception.message,
+    }
-    #   success: false
+    .compact
-    # )
+    .map { |s| "#{s.name} (#{s.ios_version})"}
   end
 end