Add feed to isMalicious return type and update error page with feed i…

…nfo (#5564)

Task/Issue URL:
https://app.asana.com/0/1205008441501016/1209270355529418/f

### Description
Add feed to isMalicious return type and update error page with feed info

### Steps to test this PR

_Feature 1_
- [x] Load
https://privacy-test-pages.site/security/badware/phishing.html
- [x] Check the error message is "This website may be impersonating a
legitimate site in order to trick you into providing personal
information, such as passwords or credit card numbers."

_Feature 2_
- [x] Load https://privacy-test-pages.site/security/badware/malware.html
- [x] Check the error message is "DuckDuckGo blocked this page because
it may be distributing malware designed to compromise your device or
steal your personal information."

### UI changes
| Before  | After |
| ------ | ----- |
!(Upload before screenshot)|(Upload after screenshot)|

app/src/androidTest/java/com/duckduckgo/app/browser/BrowserTabViewModelTest.kt

@@ -218,6 +218,7 @@ import com.duckduckgo.feature.toggles.api.Toggle.State
 import com.duckduckgo.history.api.HistoryEntry.VisitedPage
 import com.duckduckgo.history.api.NavigationHistory
 import com.duckduckgo.js.messaging.api.JsCallbackData
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed.MALWARE
 import com.duckduckgo.newtabpage.impl.pixels.NewTabPixels
 import com.duckduckgo.privacy.config.api.AmpLinkInfo
 import com.duckduckgo.privacy.config.api.AmpLinks
@@ -677,7 +678,6 @@ class BrowserTabViewModelTest {
             toggleReports = mockToggleReports,
             brokenSitePrompt = mockBrokenSitePrompt,
             tabStatsBucketing = mockTabStatsBucketing,
-            maliciousSiteBlockerWebViewIntegration = mock(),
             defaultBrowserPromptsExperiment = mockDefaultBrowserPromptsExperiment,
             swipingTabsFeature = swipingTabsFeatureProvider,
         )
@@ -5085,15 +5085,15 @@ class BrowserTabViewModelTest {
     @Test
     fun whenMaliciousSiteActionLeaveSiteAndCustomTabThenClose() {
         val url = "http://example.com".toUri()
-        testee.onMaliciousSiteUserAction(LeaveSite, url, true)
+        testee.onMaliciousSiteUserAction(LeaveSite, url, MALWARE, true)
         verify(mockCommandObserver, atLeastOnce()).onChanged(commandCaptor.capture())
         assertTrue(commandCaptor.allValues.any { it is Command.CloseCustomTab })
     }
 
     @Test
     fun whenMaliciousSiteActionLeaveSiteAndCustomTabFalseThenHideSSLError() {
         val url = "http://example.com".toUri()
-        testee.onMaliciousSiteUserAction(LeaveSite, url, false)
+        testee.onMaliciousSiteUserAction(LeaveSite, url, MALWARE, false)
         verify(mockCommandObserver, atLeastOnce()).onChanged(commandCaptor.capture())
         assertTrue(commandCaptor.allValues.any { it is Command.EscapeMaliciousSite })
     }

app/src/androidTest/java/com/duckduckgo/app/browser/BrowserWebViewClientTest.kt

@@ -61,7 +61,6 @@ import com.duckduckgo.app.browser.trafficquality.AndroidFeaturesHeaderPlugin
 import com.duckduckgo.app.browser.trafficquality.CustomHeaderAllowedChecker
 import com.duckduckgo.app.browser.trafficquality.remote.AndroidFeaturesHeaderProvider
 import com.duckduckgo.app.browser.uriloaded.UriLoadedManager
-import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
 import com.duckduckgo.app.global.model.Site
 import com.duckduckgo.app.pixels.remoteconfig.AndroidBrowserConfigFeature
 import com.duckduckgo.app.statistics.pixels.Pixel
@@ -164,7 +163,6 @@ class BrowserWebViewClientTest {
         mockFeaturesHeaderProvider,
         mock(),
     )
-    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = mock()
     private val mockDuckChat: DuckChat = mock()
 
     @UiThreadTest
@@ -211,7 +209,6 @@ class BrowserWebViewClientTest {
         whenever(currentTimeProvider.elapsedRealtime()).thenReturn(0)
         whenever(webViewVersionProvider.getMajorVersion()).thenReturn("1")
         whenever(deviceInfo.appVersion).thenReturn("1")
-        whenever(mockMaliciousSiteProtection.shouldOverrideUrlLoading(any(), any(), any())).thenReturn(false)
     }
 
     @UiThreadTest

app/src/androidTest/java/com/duckduckgo/app/browser/WebViewRequestInterceptorTest.kt

@@ -30,6 +30,7 @@ import androidx.test.annotation.UiThreadTest
 import com.duckduckgo.adclick.api.AdClickManager
 import com.duckduckgo.app.browser.useragent.provideUserAgentOverridePluginPoint
 import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
+import com.duckduckgo.app.fakes.FakeMaliciousSiteBlockerWebViewIntegration
 import com.duckduckgo.app.fakes.FeatureToggleFake
 import com.duckduckgo.app.fakes.UserAgentFake
 import com.duckduckgo.app.fakes.UserAllowListRepositoryFake
@@ -98,7 +99,7 @@ class WebViewRequestInterceptorTest {
         fakeToggle,
         fakeUserAllowListRepository,
     )
-    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = mock()
+    private val mockMaliciousSiteBlockerWebViewIntegration: MaliciousSiteBlockerWebViewIntegration = FakeMaliciousSiteBlockerWebViewIntegration()
 
     private var webView: WebView = mock()
 
@@ -119,7 +120,7 @@ class WebViewRequestInterceptorTest {
             cloakedCnameDetector = mockCloakedCnameDetector,
             requestFilterer = mockRequestFilterer,
             duckPlayer = mockDuckPlayer,
-            maliciousSiteBlockerWebViewIntegration = mockMaliciousSiteProtection,
+            maliciousSiteBlockerWebViewIntegration = mockMaliciousSiteBlockerWebViewIntegration,
         )
     }
 

app/src/androidTest/java/com/duckduckgo/app/browser/urlextraction/UrlExtractingWebViewClientTest.kt

@@ -24,7 +24,6 @@ import com.duckduckgo.app.browser.*
 import com.duckduckgo.app.browser.certificates.rootstore.TrustedCertificateStore
 import com.duckduckgo.app.browser.cookies.ThirdPartyCookieManager
 import com.duckduckgo.app.browser.httpauth.WebViewHttpAuthStore
-import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
 import com.duckduckgo.common.test.CoroutineTestRule
 import com.duckduckgo.cookies.api.CookieManagerProvider
 import kotlinx.coroutines.test.TestScope
@@ -51,7 +50,6 @@ class UrlExtractingWebViewClientTest {
     private val thirdPartyCookieManager: ThirdPartyCookieManager = mock()
     private val urlExtractor: DOMUrlExtractor = mock()
     private val mockWebView: WebView = mock()
-    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = mock()
 
     @UiThreadTest
     @Before

app/src/androidTest/java/com/duckduckgo/app/fakes/FakeMaliciousSiteBlockerWebViewIntegration.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2025 DuckDuckGo
+ *
+ * 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.
+ */
+
+package com.duckduckgo.app.fakes
+
+import android.net.Uri
+import android.webkit.WebResourceRequest
+import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
+import com.duckduckgo.app.browser.webview.RealMaliciousSiteBlockerWebViewIntegration.IsMaliciousViewData
+import com.duckduckgo.app.browser.webview.RealMaliciousSiteBlockerWebViewIntegration.IsMaliciousViewData.Safe
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.MaliciousStatus
+
+class FakeMaliciousSiteBlockerWebViewIntegration : MaliciousSiteBlockerWebViewIntegration {
+    override suspend fun shouldIntercept(
+        request: WebResourceRequest,
+        documentUri: Uri?,
+        confirmationCallback: (maliciousStatus: MaliciousStatus) -> Unit,
+    ): IsMaliciousViewData {
+        return Safe
+    }
+
+    override fun shouldOverrideUrlLoading(
+        url: Uri,
+        isForMainFrame: Boolean,
+        confirmationCallback: (maliciousStatus: MaliciousStatus) -> Unit,
+    ): IsMaliciousViewData {
+        return Safe
+    }
+
+    override fun onPageLoadStarted() {
+        // no-op
+    }
+
+    override fun onSiteExempted(
+        url: Uri,
+        feed: Feed,
+    ) {
+        TODO("Not yet implemented")
+    }
+}

app/src/androidTest/java/com/duckduckgo/app/referencetests/DomainsReferenceTest.kt

@@ -29,6 +29,7 @@ import com.duckduckgo.adclick.api.AdClickManager
 import com.duckduckgo.app.browser.WebViewRequestInterceptor
 import com.duckduckgo.app.browser.useragent.provideUserAgentOverridePluginPoint
 import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
+import com.duckduckgo.app.fakes.FakeMaliciousSiteBlockerWebViewIntegration
 import com.duckduckgo.app.fakes.FeatureToggleFake
 import com.duckduckgo.app.fakes.UserAgentFake
 import com.duckduckgo.app.fakes.UserAllowListRepositoryFake
@@ -120,7 +121,7 @@ class DomainsReferenceTest(private val testCase: TestCase) {
     )
     private val mockGpc: Gpc = mock()
     private val mockAdClickManager: AdClickManager = mock()
-    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = mock()
+    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = FakeMaliciousSiteBlockerWebViewIntegration()
 
     companion object {
         private val moshi = Moshi.Builder().add(ActionJsonAdapter()).build()

app/src/androidTest/java/com/duckduckgo/app/referencetests/SurrogatesReferenceTest.kt

@@ -28,6 +28,7 @@ import com.duckduckgo.adclick.api.AdClickManager
 import com.duckduckgo.app.browser.WebViewRequestInterceptor
 import com.duckduckgo.app.browser.useragent.provideUserAgentOverridePluginPoint
 import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
+import com.duckduckgo.app.fakes.FakeMaliciousSiteBlockerWebViewIntegration
 import com.duckduckgo.app.fakes.FeatureToggleFake
 import com.duckduckgo.app.fakes.UserAgentFake
 import com.duckduckgo.app.fakes.UserAllowListRepositoryFake
@@ -116,7 +117,7 @@ class SurrogatesReferenceTest(private val testCase: TestCase) {
     private val mockGpc: Gpc = mock()
     private val mockAdClickManager: AdClickManager = mock()
     private val mockCloakedCnameDetector: CloakedCnameDetector = mock()
-    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = mock()
+    private val mockMaliciousSiteProtection: MaliciousSiteBlockerWebViewIntegration = FakeMaliciousSiteBlockerWebViewIntegration()
 
     companion object {
         private val moshi = Moshi.Builder().add(ActionJsonAdapter()).build()

app/src/main/java/com/duckduckgo/app/browser/BrowserTabFragment.kt

@@ -272,6 +272,7 @@ import com.duckduckgo.js.messaging.api.JsCallbackData
 import com.duckduckgo.js.messaging.api.JsMessageCallback
 import com.duckduckgo.js.messaging.api.JsMessaging
 import com.duckduckgo.js.messaging.api.SubscriptionEventData
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed
 import com.duckduckgo.mobile.android.app.tracking.ui.AppTrackingProtectionScreens.AppTrackerOnboardingActivityWithEmptyParamsParams
 import com.duckduckgo.navigation.api.GlobalActivityStarter
 import com.duckduckgo.navigation.api.GlobalActivityStarter.DeeplinkActivityParams
@@ -1385,7 +1386,7 @@ class BrowserTabFragment :
         errorView.errorLayout.show()
     }
 
-    private fun showMaliciousWarning(url: Uri) {
+    private fun showMaliciousWarning(url: Uri, feed: Feed) {
         webViewContainer.gone()
         newBrowserTab.newTabLayout.gone()
         newBrowserTab.newTabContainerLayout.gone()
@@ -1396,8 +1397,8 @@ class BrowserTabFragment :
         webView?.onPause()
         webView?.hide()
         webView?.stopLoading()
-        maliciousWarningView.bind { action ->
-            viewModel.onMaliciousSiteUserAction(action, url, isActiveCustomTab())
+        maliciousWarningView.bind(feed) { action ->
+            viewModel.onMaliciousSiteUserAction(action, url, feed, isActiveCustomTab())
         }
         maliciousWarningView.show()
         binding.focusDummy.requestFocus()
@@ -1427,8 +1428,9 @@ class BrowserTabFragment :
         (activity as? CustomTabActivity)?.finishAndRemoveTask()
     }
 
-    private fun onBypassMaliciousWarning(url: Uri) {
+    private fun onBypassMaliciousWarning(url: Uri, feed: Feed) {
         showBrowser()
+        webViewClient.addExemptedMaliciousSite(url, feed)
         webView?.loadUrl(url.toString())
     }
 
@@ -1801,11 +1803,12 @@ class BrowserTabFragment :
             )
 
             is Command.WebViewError -> showError(it.errorType, it.url)
-            is Command.ShowWarningMaliciousSite -> showMaliciousWarning(it.url)
+            is Command.ShowWarningMaliciousSite -> showMaliciousWarning(it.url, it.feed)
             is Command.HideWarningMaliciousSite -> hideMaliciousWarning()
             is Command.EscapeMaliciousSite -> onEscapeMaliciousSite()
             is Command.CloseCustomTab -> closeCustomTab()
-            is Command.BypassMaliciousSiteWarning -> onBypassMaliciousWarning(it.url)
+            is Command.BypassMaliciousSiteWarning -> onBypassMaliciousWarning(it.url, it.feed)
+            is Command.BypassMaliciousSiteWarning -> onBypassMaliciousWarning(it.url, it.feed)
             is OpenBrokenSiteLearnMore -> openBrokenSiteLearnMore(it.url)
             is ReportBrokenSiteError -> openBrokenSiteReportError(it.url)
             is Command.SendResponseToJs -> contentScopeScripts.onResponse(it.data)

app/src/main/java/com/duckduckgo/app/browser/BrowserTabViewModel.kt

@@ -215,7 +215,6 @@ import com.duckduckgo.app.browser.webview.MaliciousSiteBlockedWarningLayout.Acti
 import com.duckduckgo.app.browser.webview.MaliciousSiteBlockedWarningLayout.Action.LeaveSite
 import com.duckduckgo.app.browser.webview.MaliciousSiteBlockedWarningLayout.Action.ReportError
 import com.duckduckgo.app.browser.webview.MaliciousSiteBlockedWarningLayout.Action.VisitSite
-import com.duckduckgo.app.browser.webview.MaliciousSiteBlockerWebViewIntegration
 import com.duckduckgo.app.browser.webview.SslWarningLayout.Action
 import com.duckduckgo.app.cta.ui.BrokenSitePromptDialogCta
 import com.duckduckgo.app.cta.ui.Cta
@@ -231,6 +230,7 @@ import com.duckduckgo.app.fire.fireproofwebsite.ui.AutomaticFireproofSetting.ASK
 import com.duckduckgo.app.generalsettings.showonapplaunch.ShowOnAppLaunchOptionHandler
 import com.duckduckgo.app.global.events.db.UserEventKey
 import com.duckduckgo.app.global.events.db.UserEventsStore
+import com.duckduckgo.app.global.model.MaliciousSiteStatus
 import com.duckduckgo.app.global.model.PrivacyShield
 import com.duckduckgo.app.global.model.Site
 import com.duckduckgo.app.global.model.SiteFactory
@@ -299,6 +299,9 @@ import com.duckduckgo.duckplayer.api.DuckPlayer
 import com.duckduckgo.duckplayer.api.DuckPlayer.DuckPlayerState.ENABLED
 import com.duckduckgo.history.api.NavigationHistory
 import com.duckduckgo.js.messaging.api.JsCallbackData
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed.MALWARE
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed.PHISHING
 import com.duckduckgo.newtabpage.impl.pixels.NewTabPixels
 import com.duckduckgo.privacy.config.api.AmpLinkInfo
 import com.duckduckgo.privacy.config.api.AmpLinks
@@ -457,7 +460,6 @@ class BrowserTabViewModel @Inject constructor(
     private val toggleReports: ToggleReports,
     private val brokenSitePrompt: BrokenSitePrompt,
     private val tabStatsBucketing: TabStatsBucketing,
-    private val maliciousSiteBlockerWebViewIntegration: MaliciousSiteBlockerWebViewIntegration,
     private val defaultBrowserPromptsExperiment: DefaultBrowserPromptsExperiment,
     private val swipingTabsFeature: SwipingTabsFeatureProvider,
 ) : WebViewClientListener,
@@ -1875,6 +1877,7 @@ class BrowserTabViewModel @Inject constructor(
     fun onMaliciousSiteUserAction(
         action: MaliciousSiteBlockedWarningLayout.Action,
         url: Uri,
+        feed: Feed,
         activeCustomTab: Boolean,
     ) {
         when (action) {
@@ -1889,12 +1892,11 @@ class BrowserTabViewModel @Inject constructor(
             }
 
             VisitSite -> {
-                command.postValue(BypassMaliciousSiteWarning(url))
+                command.postValue(BypassMaliciousSiteWarning(url, feed))
                 browserViewState.value = currentBrowserViewState().copy(
                     browserShowing = true,
                     showPrivacyShield = HighlightableButton.Visible(enabled = true),
                 )
-                addExemptedMaliciousUrlToMemory(url)
             }
             LearnMore -> command.postValue(OpenBrokenSiteLearnMore(MALICIOUS_SITE_LEARN_MORE_URL))
             ReportError -> command.postValue(ReportBrokenSiteError("$MALICIOUS_SITE_REPORT_ERROR_URL$url"))
@@ -3195,17 +3197,25 @@ class BrowserTabViewModel @Inject constructor(
         command.postValue(WebViewError(errorType, url))
     }
 
-    override fun onReceivedMaliciousSiteWarning(url: Uri) {
+    override fun onReceivedMaliciousSiteWarning(url: Uri, feed: Feed, exempted: Boolean) {
         // TODO (cbarreiro): Fire pixel
-        loadingViewState.postValue(currentLoadingViewState().copy(isLoading = false, progress = 100, url = url.toString()))
-        browserViewState.postValue(
-            currentBrowserViewState().copy(
-                browserShowing = false,
-                showPrivacyShield = HighlightableButton.Visible(enabled = false),
-                maliciousSiteDetected = true,
-            ),
-        )
-        command.postValue(ShowWarningMaliciousSite(url))
+        site?.maliciousSiteStatus = when (feed) {
+            MALWARE -> MaliciousSiteStatus.MALWARE
+            PHISHING -> MaliciousSiteStatus.PHISHING
+        }
+        if (!exempted) {
+            loadingViewState.postValue(
+                currentLoadingViewState().copy(isLoading = false, progress = 100, url = url.toString()),
+            )
+            browserViewState.postValue(
+                currentBrowserViewState().copy(
+                    browserShowing = false,
+                    showPrivacyShield = HighlightableButton.Visible(enabled = false),
+                    maliciousSiteDetected = true,
+                ),
+            )
+            command.postValue(ShowWarningMaliciousSite(url, feed))
+        }
     }
 
     override fun recordErrorCode(
@@ -3788,10 +3798,6 @@ class BrowserTabViewModel @Inject constructor(
         command.value = SetOnboardingDialogBackground(getBackgroundResource(lightModeEnabled))
     }
 
-    fun addExemptedMaliciousUrlToMemory(url: Uri) {
-        maliciousSiteBlockerWebViewIntegration.onSiteExempted(url)
-    }
-
     private fun getBackgroundResource(lightModeEnabled: Boolean): Int =
         if (lightModeEnabled) {
             R.drawable.onboarding_background_bitmap_light

app/src/main/java/com/duckduckgo/app/browser/BrowserWebViewClient.kt

@@ -78,6 +78,7 @@ import com.duckduckgo.duckplayer.api.DuckPlayer.DuckPlayerState.ENABLED
 import com.duckduckgo.duckplayer.api.DuckPlayer.OpenDuckPlayerInNewTab.On
 import com.duckduckgo.duckplayer.impl.DUCK_PLAYER_OPEN_IN_YOUTUBE_PATH
 import com.duckduckgo.history.api.NavigationHistory
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed
 import com.duckduckgo.privacy.config.api.AmpLinks
 import com.duckduckgo.subscriptions.api.Subscriptions
 import com.duckduckgo.user.agent.api.ClientBrandHintProvider
@@ -710,6 +711,10 @@ class BrowserWebViewClient @Inject constructor(
             else -> "ERROR_OTHER"
         }
     }
+
+    fun addExemptedMaliciousSite(url: Uri, feed: Feed) {
+        requestInterceptor.addExemptedMaliciousSite(url, feed)
+    }
 }
 
 enum class WebViewPixelName(override val pixelName: String) : Pixel.PixelName {

app/src/main/java/com/duckduckgo/app/browser/WebViewClientListener.kt

@@ -29,6 +29,7 @@ import com.duckduckgo.app.browser.model.BasicAuthenticationRequest
 import com.duckduckgo.app.global.model.Site
 import com.duckduckgo.app.surrogates.SurrogateResponse
 import com.duckduckgo.app.trackerdetection.model.TrackingEvent
+import com.duckduckgo.malicioussiteprotection.api.MaliciousSiteProtection.Feed
 import com.duckduckgo.site.permissions.api.SitePermissionsManager.SitePermissions
 
 interface WebViewClientListener {
@@ -95,7 +96,7 @@ interface WebViewClientListener {
     fun linkOpenedInNewTab(): Boolean
     fun isActiveTab(): Boolean
     fun onReceivedError(errorType: WebViewErrorResponse, url: String)
-    fun onReceivedMaliciousSiteWarning(url: Uri)
+    fun onReceivedMaliciousSiteWarning(url: Uri, feed: Feed, exempted: Boolean)
     fun recordErrorCode(error: String, url: String)
     fun recordHttpErrorCode(statusCode: Int, url: String)