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Add feature flags for malicious site protection
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60 changes: 60 additions & 0 deletions
60
DuckDuckGo/MaliciousSiteProtection/FeatureFlags/MaliciousSiteProtectionFeatureFlags.swift
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| // | ||
| // MaliciousSiteProtectionFeatureFlags.swift | ||
| // DuckDuckGo | ||
| // | ||
| // Copyright © 2024 DuckDuckGo. All rights reserved. | ||
| // | ||
| // 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. | ||
| // | ||
|
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| import Foundation | ||
| import BrowserServicesKit | ||
| import Core | ||
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| protocol MaliciousSiteProtectionFeatureFlagger { | ||
| /// A Boolean value indicating whether malicious site protection is enabled. | ||
| /// - Returns: `true` if malicious site protection is enabled; otherwise, `false`. | ||
| var isMaliciousSiteProtectionEnabled: Bool { get } | ||
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| /// Checks if should detect malicious threats for a specific domain. | ||
| /// - Parameter domain: The domain to check for malicious threat. | ||
| /// - Returns: `true` if should check for malicious threats for the specified domain; otherwise, `false`. | ||
| func shouldDetectMaliciousThreat(forDomain domain: String?) -> Bool | ||
| } | ||
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| final class MaliciousSiteProtectionFeatureFlags { | ||
| private let featureFlagger: FeatureFlagger | ||
| private let privacyConfigManager: PrivacyConfigurationManaging | ||
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| init( | ||
| featureFlagger: FeatureFlagger = AppDependencyProvider.shared.featureFlagger, | ||
| privacyConfigManager: PrivacyConfigurationManaging = ContentBlocking.shared.privacyConfigurationManager | ||
| ) { | ||
| self.featureFlagger = featureFlagger | ||
| self.privacyConfigManager = privacyConfigManager | ||
| } | ||
| } | ||
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| // MARK: - MaliciousSiteProtectionFeatureFlagger | ||
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| extension MaliciousSiteProtectionFeatureFlags: MaliciousSiteProtectionFeatureFlagger { | ||
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| var isMaliciousSiteProtectionEnabled: Bool { | ||
| featureFlagger.isFeatureOn(.maliciousSiteProtection) | ||
| } | ||
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| func shouldDetectMaliciousThreat(forDomain domain: String?) -> Bool { | ||
| privacyConfigManager.privacyConfig.isFeature(.maliciousSiteProtection, enabledForDomain: domain) | ||
| } | ||
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| } |
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DuckDuckGoTests/MaliciousSiteProtection/MaliciousSiteProtectionFeatureFlagsTests.swift
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| // | ||
| // MaliciousSiteProtectionFeatureFlagsTests.swift | ||
| // DuckDuckGo | ||
| // | ||
| // Copyright © 2024 DuckDuckGo. All rights reserved. | ||
| // | ||
| // 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. | ||
| // | ||
|
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| import Testing | ||
| import BrowserServicesKit | ||
| @testable import DuckDuckGo | ||
|
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| @Suite("Malicious Site Protection - Feature Flags", .serialized) | ||
| final class MaliciousSiteProtectionFeatureFlagsTests { | ||
| private var sut: MaliciousSiteProtectionFeatureFlags! | ||
| private var featureFlaggerMock: MockFeatureFlagger! | ||
| private var configurationManagerMock: PrivacyConfigurationManagerMock! | ||
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| init() async throws { | ||
| featureFlaggerMock = MockFeatureFlagger() | ||
| configurationManagerMock = PrivacyConfigurationManagerMock() | ||
| sut = MaliciousSiteProtectionFeatureFlags(featureFlagger: featureFlaggerMock, privacyConfigManager: configurationManagerMock) | ||
| } | ||
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| deinit { | ||
| featureFlaggerMock = nil | ||
| configurationManagerMock = nil | ||
| sut = nil | ||
| } | ||
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| // MARK: - Web Error Page | ||
|
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| @Test("Check Threat Detection Enabled") | ||
| func whenThreatDetectionEnabled_AndFeatureFlagIsOn_ThenReturnTrue() throws { | ||
| // GIVEN | ||
| featureFlaggerMock.enabledFeatureFlags = [.maliciousSiteProtection] | ||
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| // WHEN | ||
| let result = sut.isMaliciousSiteProtectionEnabled | ||
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| // THEN | ||
| #expect(result) | ||
| } | ||
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| @Test("Check Threat Detection Disabled") | ||
| func whenThreatDetectionEnabled_AndFeatureFlagIsOff_ThenReturnFalse() throws { | ||
| // GIVEN | ||
| featureFlaggerMock.enabledFeatureFlags = [] | ||
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| // WHEN | ||
| let result = sut.isMaliciousSiteProtectionEnabled | ||
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| // THEN | ||
| #expect(!result) | ||
| } | ||
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| @Test("Check Threat Detection Enabled For Domain") | ||
| func whenThreatDetectionEnabledForDomain_AndFeatureIsAvailableForDomain_ThenReturnTrue() throws { | ||
| // GIVEN | ||
| featureFlaggerMock.enabledFeatureFlags = [.maliciousSiteProtection] | ||
| let privacyConfigMock = try #require(configurationManagerMock.privacyConfig as? PrivacyConfigurationMock) | ||
| privacyConfigMock.enabledFeatures = [.maliciousSiteProtection: ["example.com"]] | ||
| let domain = "example.com" | ||
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| // WHEN | ||
| let result = sut.shouldDetectMaliciousThreat(forDomain: domain) | ||
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| // THEN | ||
| #expect(result) | ||
| } | ||
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| @Test("Check Threat Detection Disabled For Domain When Protection For Domain Is Not Enabled") | ||
| func whenThreatDetectionCalledEnabledForDomain_AndFeatureIsNotAvailableForDomain_ThenReturnFalse() throws { | ||
| // GIVEN | ||
| featureFlaggerMock.enabledFeatureFlags = [.maliciousSiteProtection] | ||
| let privacyConfigMock = try #require(configurationManagerMock.privacyConfig as? PrivacyConfigurationMock) | ||
| privacyConfigMock.enabledFeatures = [.maliciousSiteProtection: []] | ||
| let domain = "example.com" | ||
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| // WHEN | ||
| let result = sut.shouldDetectMaliciousThreat(forDomain: domain) | ||
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| // THEN | ||
| #expect(!result) | ||
| } | ||
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| @Test("Check Threat Detection Disabled For Domain When Feature Flag Is Off") | ||
| func whenThreatDetectionEnabledForDomain_AndPrivacyConfigFeatureFlagIsOn_AndThreatDetectionSubFeatureIsOff_ThenReturnTrue() throws { | ||
| // GIVEN | ||
| let privacyConfigMock = try #require(configurationManagerMock.privacyConfig as? PrivacyConfigurationMock) | ||
| privacyConfigMock.enabledFeatures = [.adClickAttribution: ["example.com"]] | ||
| let domain = "example.com" | ||
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| // WHEN | ||
| let result = sut.shouldDetectMaliciousThreat(forDomain: domain) | ||
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| // THEN | ||
| #expect(!result) | ||
| } | ||
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| } |