feat: Add support for insecure connections

Source/AssistantV1/Assistant.swift

@@ -113,6 +113,14 @@ public class Assistant {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Watson Assistant v1 service to extract
      information about the error that occurred.

Source/AssistantV2/Assistant.swift

@@ -113,6 +113,14 @@ public class Assistant {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Watson Assistant v2 service to extract
      information about the error that occurred.

Source/CompareComplyV1/CompareComply.swift

@@ -99,6 +99,14 @@ public class CompareComply {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Compare and Comply service to extract
      information about the error that occurred.

Source/DiscoveryV1/Discovery.swift

@@ -115,6 +115,14 @@ public class Discovery {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Discovery service to extract
      information about the error that occurred.

Source/LanguageTranslatorV3/LanguageTranslator.swift

@@ -115,6 +115,14 @@ public class LanguageTranslator {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Language Translator service to extract
      information about the error that occurred.

Source/NaturalLanguageClassifierV1/NaturalLanguageClassifier.swift

@@ -101,6 +101,14 @@ public class NaturalLanguageClassifier {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Natural Language Classifier service to extract
      information about the error that occurred.

Source/NaturalLanguageUnderstandingV1/NaturalLanguageUnderstanding.swift

@@ -116,6 +116,14 @@ public class NaturalLanguageUnderstanding {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Natural Language Understanding service to extract
      information about the error that occurred.

Source/PersonalityInsightsV3/PersonalityInsights.swift

@@ -124,6 +124,14 @@ public class PersonalityInsights {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Personality Insights service to extract
      information about the error that occurred.

Source/SpeechToTextV1/SpeechToText.swift

@@ -112,6 +112,14 @@ public class SpeechToText {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Speech to Text service to extract
      information about the error that occurred.

Source/SupportingFiles/InsecureConnection.swift

@@ -0,0 +1,37 @@
+/**
+ * Copyright IBM Corporation 2018
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+import Foundation
+
+class InsecureConnection {
+    /// Allow network requests to a server without verification of the server certificate.
+    /// **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+    static func session() -> URLSession {
+        return URLSession(configuration: .default, delegate: AllowInsecureConnectionDelegate(), delegateQueue: nil)
+    }
+}
+
+/**
+ URLSession delegate that is used to bypass SSL certificate verification.
+
+ **IMPORTANT**: This can potentially cause dangerous security breaches, so use only if you are certain that you have taken necessary precautions.
+ */
+class AllowInsecureConnectionDelegate: NSObject, URLSessionDelegate {
+    func urlSession(_ session: URLSession, didReceive challenge: URLAuthenticationChallenge, completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
+        let credential = URLCredential(trust: challenge.protectionSpace.serverTrust!)
+        completionHandler(URLSession.AuthChallengeDisposition.useCredential, credential)
+    }
+}

Source/TextToSpeechV1/TextToSpeech.swift

@@ -110,6 +110,14 @@ public class TextToSpeech {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Text to Speech service to extract
      information about the error that occurred.

Source/ToneAnalyzerV3/ToneAnalyzer.swift

@@ -118,6 +118,14 @@ public class ToneAnalyzer {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Tone Analyzer service to extract
      information about the error that occurred.

Source/VisualRecognitionV3/VisualRecognition.swift

@@ -100,6 +100,14 @@ public class VisualRecognition {
         }
     }
 
+    /**
+      Allow network requests to a server without verification of the server certificate.
+      **IMPORTANT**: This should ONLY be used if truly intended, as it is unsafe otherwise.
+     */
+    public func disableSSLVerification() {
+        session = InsecureConnection.session()
+    }
+
     /**
      Use the HTTP response and data received by the Visual Recognition service to extract
      information about the error that occurred.

Tests/AssistantV1Tests/AssistantV1UnitTests.swift

@@ -1872,6 +1872,17 @@ class AssistantV1UnitTests: XCTestCase {
         waitForExpectations(timeout: timeout)
     }
 
+    // MARK: - Allow Insecure Connections
+
+    #if !os(Linux)
+    func testAllowInsecureConnections() {
+        let assistant = Assistant(version: versionDate, username: "username", password: "password")
+        XCTAssertNil(assistant.session.delegate)
+        assistant.disableSSLVerification()
+        XCTAssertNotNil(assistant.session.delegate)
+    }
+    #endif
+
     // MARK: - Inject Credentials
 
     #if os(Linux)

WatsonDeveloperCloud.xcodeproj/project.pbxproj

@@ -579,6 +579,7 @@
 		92EE4EFB219E25350008CE33 /* contract_A.pdf in Resources */ = {isa = PBXBuildFile; fileRef = 92EE4EF8219E25350008CE33 /* contract_A.pdf */; };
 		92EE4EFD21A470630008CE33 /* SpeechToTextUnitTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 92EE4EFC21A470630008CE33 /* SpeechToTextUnitTests.swift */; };
 		92FB960221FB852C00FEAD21 /* confirm.abnf in Resources */ = {isa = PBXBuildFile; fileRef = 92FB95FE21FB7FF100FEAD21 /* confirm.abnf */; };
+		CA03C887229C1918009503B9 /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
 		CA151FA2200EE23F00DBA44F /* carz.zip in Resources */ = {isa = PBXBuildFile; fileRef = CA151FA0200EE0CF00DBA44F /* carz.zip */; };
 		CA28815D20CB07D600FC992C /* WatsonCredentials.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7A6C7B3C1D8C960300CD97FA /* WatsonCredentials.swift */; };
 		CA28817620CB095100FC992C /* glossary.tmx in Resources */ = {isa = PBXBuildFile; fileRef = CA28817420CB095100FC992C /* glossary.tmx */; };
@@ -600,6 +601,17 @@
 		CA29B872222E0AE700626030 /* SyntaxResult.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA29B86D222E0AE700626030 /* SyntaxResult.swift */; };
 		CA35CD4720E3234900FACB2B /* ToneContent.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA35CD4620E3234800FACB2B /* ToneContent.swift */; };
 		CA35CD4920E3237400FACB2B /* ProfileContent.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA35CD4820E3237400FACB2B /* ProfileContent.swift */; };
+		CA54269B229ECBBE0077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA54269C229ECBC00077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA54269D229ECBC20077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA54269E229ECBC30077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA54269F229ECBC40077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA5426A0229ECBC80077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA5426A1229ECBC90077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA5426A2229ECBCB0077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA5426A3229ECBCC0077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA5426A4229ECBD00077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
+		CA5426A5229ECBD10077618A /* InsecureConnection.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA03C886229C1918009503B9 /* InsecureConnection.swift */; };
 		CA59FDA1224AA0E000E152AE /* RowHeaderIDs.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA59FD9A224AA0DE00E152AE /* RowHeaderIDs.swift */; };
 		CA59FDA2224AA0E000E152AE /* TypeLabelComparison.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA59FD9B224AA0DF00E152AE /* TypeLabelComparison.swift */; };
 		CA59FDA3224AA0E000E152AE /* Value.swift in Sources */ = {isa = PBXBuildFile; fileRef = CA59FD9C224AA0DF00E152AE /* Value.swift */; };
@@ -1312,6 +1324,7 @@
 		B1F21DF51CE2461800393146 /* ToneScore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ToneScore.swift; sourceTree = "<group>"; };
 		B1F21DF71CE2461800393146 /* ToneAnalyzerTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ToneAnalyzerTests.swift; sourceTree = "<group>"; };
 		B1F21DF81CE2461800393146 /* ToneAnalyzer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ToneAnalyzer.swift; sourceTree = "<group>"; };
+		CA03C886229C1918009503B9 /* InsecureConnection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = InsecureConnection.swift; path = Source/SupportingFiles/InsecureConnection.swift; sourceTree = "<group>"; };
 		CA151FA0200EE0CF00DBA44F /* carz.zip */ = {isa = PBXFileReference; lastKnownFileType = archive.zip; path = carz.zip; sourceTree = "<group>"; };
 		CA28815F20CB090700FC992C /* DeleteModelResult.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DeleteModelResult.swift; sourceTree = "<group>"; };
 		CA28816020CB090700FC992C /* IdentifiableLanguage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = IdentifiableLanguage.swift; sourceTree = "<group>"; };
@@ -2124,6 +2137,7 @@
 			children = (
 				92882AFF220E10B4001BC702 /* ibm-credentials.env */,
 				920645F4212E2880004ACCC9 /* Dependencies */,
+				CA03C886229C1918009503B9 /* InsecureConnection.swift */,
 				6800FC9C2056D7340078788A /* AssistantV1.h */,
 				924EE77D21505C2C0048C0E5 /* AssistantV2.h */,
 				928661A82191109C0064C6FD /* CompareComplyV1.h */,
@@ -3979,6 +3993,7 @@
 				683947EC202CF4F7007E3CF3 /* SemanticRolesAction.swift in Sources */,
 				683947FC202CF4F7007E3CF3 /* FeatureSentimentResults.swift in Sources */,
 				CA8E928022343610001BFABF /* KeywordsResultSentiment.swift in Sources */,
+				CA5426A0229ECBC80077618A /* InsecureConnection.swift in Sources */,
 				683947D7202CF4F7007E3CF3 /* SemanticRolesObject.swift in Sources */,
 				CA8E9273223435F7001BFABF /* AnalysisResultsMetadata.swift in Sources */,
 				683947F4202CF4F7007E3CF3 /* TargetedEmotionResults.swift in Sources */,
@@ -4033,6 +4048,7 @@
 				9206460B212E2880004ACCC9 /* opus_header.c in Sources */,
 				689A170E203CCDA9002CFC66 /* Word.swift in Sources */,
 				124C2E221D19E2FA00D9F602 /* TextToSpeech.swift in Sources */,
+				CA5426A3229ECBCC0077618A /* InsecureConnection.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -4118,6 +4134,7 @@
 				68AF8F742069690300D552E3 /* Notice.swift in Sources */,
 				92261EA321EFFFE800A1A620 /* Gateway.swift in Sources */,
 				68AF8F8A2069690300D552E3 /* UpdateCollectionRequest.swift in Sources */,
+				CA54269D229ECBC20077618A /* InsecureConnection.swift in Sources */,
 				68AF8F732069690300D552E3 /* PDFSettings.swift in Sources */,
 				68AF8F6D2069690300D552E3 /* QueryNoticesResponse.swift in Sources */,
 				68AF8F5D2069690300D552E3 /* DocumentAccepted.swift in Sources */,
@@ -4252,6 +4269,7 @@
 				92BF69AE213F129A00FE6325 /* Shared.swift in Sources */,
 				6800FCB22056D8D50078788A /* EntityCollection.swift in Sources */,
 				CADA96992110ABB500B5BD84 /* DialogNodeOutputTextValuesElement.swift in Sources */,
+				CA03C887229C1918009503B9 /* InsecureConnection.swift in Sources */,
 				6800FCA22056D8D50078788A /* Counterexample.swift in Sources */,
 				6800FCBE2056D8D50078788A /* MessageInput.swift in Sources */,
 				6800FCB12056D8D50078788A /* Entity.swift in Sources */,
@@ -4288,6 +4306,7 @@
 				689A16B3203C9946002CFC66 /* Trait.swift in Sources */,
 				689A16AE203C9946002CFC66 /* ContentItem.swift in Sources */,
 				689A16B4203C9946002CFC66 /* ConsumptionPreferences.swift in Sources */,
+				CA5426A1229ECBC90077618A /* InsecureConnection.swift in Sources */,
 				CA35CD4920E3237400FACB2B /* ProfileContent.swift in Sources */,
 				689A16AF203C9946002CFC66 /* ConsumptionPreferencesCategory.swift in Sources */,
 				689A16B2203C9946002CFC66 /* Content.swift in Sources */,
@@ -4326,6 +4345,7 @@
 				689A1694203C88C7002CFC66 /* ClassifiedImage.swift in Sources */,
 				689A1696203C88C7002CFC66 /* FaceAge.swift in Sources */,
 				689A169B203C88C7002CFC66 /* Classifier.swift in Sources */,
+				CA5426A5229ECBD10077618A /* InsecureConnection.swift in Sources */,
 				689A1692203C88C7002CFC66 /* ClassResult.swift in Sources */,
 				689A1691203C88C7002CFC66 /* ImageWithFaces.swift in Sources */,
 				689A1698203C88C7002CFC66 /* WarningInfo.swift in Sources */,
@@ -4366,6 +4386,7 @@
 				7AAAF4131CEE9D5300B74848 /* ToneScore.swift in Sources */,
 				68D09C22200D61870087ADE5 /* UtteranceAnalyses.swift in Sources */,
 				68D09C24200D61870087ADE5 /* Utterance.swift in Sources */,
+				CA5426A4229ECBD00077618A /* InsecureConnection.swift in Sources */,
 				7AAAF4121CEE9D5300B74848 /* ToneCategory.swift in Sources */,
 				68D09C20200D61870087ADE5 /* UtteranceAnalysis.swift in Sources */,
 				68D09C1F200D61870087ADE5 /* ToneChatInput.swift in Sources */,
@@ -4408,6 +4429,7 @@
 				68F7FF07207D458900E84DBF /* RecognitionJobs.swift in Sources */,
 				68F7FEFF207D458900E84DBF /* LanguageModel.swift in Sources */,
 				7A9EC80A1D79B75100507725 /* SpeechToTextEncoder.swift in Sources */,
+				CA5426A2229ECBCB0077618A /* InsecureConnection.swift in Sources */,
 				68F7FF05207D458900E84DBF /* RecognitionJob.swift in Sources */,
 				68F7FF0C207D458900E84DBF /* WordAlternativeResult.swift in Sources */,
 				68F7FF0D207D458900E84DBF /* WordError.swift in Sources */,
@@ -4462,6 +4484,7 @@
 				92BF69B3213F129A00FE6325 /* Shared.swift in Sources */,
 				68A6A9AF202A38490069585F /* ClassifierList.swift in Sources */,
 				68A6A9AD202A38490069585F /* ClassifyInput.swift in Sources */,
+				CA54269F229ECBC40077618A /* InsecureConnection.swift in Sources */,
 				68438EA0208A987400FD7DB9 /* ClassifyCollectionInput.swift in Sources */,
 				68438E9F208A987400FD7DB9 /* ClassificationCollection.swift in Sources */,
 				68A6A9AE202A38490069585F /* Classifier.swift in Sources */,
@@ -4489,6 +4512,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				922078542152FCE400C8C7E4 /* MessageContextGlobal.swift in Sources */,
+				CA54269B229ECBBE0077618A /* InsecureConnection.swift in Sources */,
 				922078552152FCE400C8C7E4 /* MessageInputOptions.swift in Sources */,
 				922078532152FCE400C8C7E4 /* DialogLogMessage.swift in Sources */,
 				922078412152FCE000C8C7E4 /* Assistant.swift in Sources */,
@@ -4555,6 +4579,7 @@
 				920F0AA0219CC1E900070C5B /* UpdatedLabelsIn.swift in Sources */,
 				920F0AA1219CC1E900070C5B /* SectionTitle.swift in Sources */,
 				920F0AB5219CC1E900070C5B /* ContractAmts.swift in Sources */,
+				CA54269C229ECBC00077618A /* InsecureConnection.swift in Sources */,
 				920F0A8A219CC1E900070C5B /* ClassifyReturn.swift in Sources */,
 				920F0AAD219CC1E900070C5B /* TypeLabel.swift in Sources */,
 				920F0AB4219CC1E900070C5B /* Attribute.swift in Sources */,
@@ -4623,6 +4648,7 @@
 				CA28818220CB099D00FC992C /* IdentifiableLanguages.swift in Sources */,
 				CA28817F20CB099D00FC992C /* IdentifiedLanguage.swift in Sources */,
 				CA28818120CB099D00FC992C /* TranslateRequest.swift in Sources */,
+				CA54269E229ECBC30077618A /* InsecureConnection.swift in Sources */,
 				CA28817C20CB099D00FC992C /* TranslationResult.swift in Sources */,
 				CA28817B20CB099D00FC992C /* Translation.swift in Sources */,
 			);