Add setup for WebAuthn (#1294)

app/src/main/java/com/x8bit/bitwarden/data/auth/datasource/network/model/GetTokenResponseJson.kt

@@ -124,6 +124,9 @@ sealed class GetTokenResponseJson {
         @SerialName("TwoFactorProviders2")
         val authMethodsData: Map<TwoFactorAuthMethod, JsonObject?>,
 
+        @SerialName("TwoFactorProviders")
+        val twoFactorProviders: List<String>?,
+
         @SerialName("CaptchaBypassToken")
         val captchaToken: String?,
 

app/src/main/java/com/x8bit/bitwarden/data/auth/datasource/network/util/TwoFactorRequiredExtensions.kt

@@ -2,8 +2,11 @@ package com.x8bit.bitwarden.data.auth.datasource.network.util
 
 import com.x8bit.bitwarden.data.auth.datasource.network.model.GetTokenResponseJson
 import com.x8bit.bitwarden.data.auth.datasource.network.model.TwoFactorAuthMethod
+import com.x8bit.bitwarden.data.platform.datasource.network.util.base64UrlDecodeOrNull
 import kotlinx.serialization.json.JsonObject
 import kotlinx.serialization.json.contentOrNull
+import kotlinx.serialization.json.jsonArray
+import kotlinx.serialization.json.jsonObject
 import kotlinx.serialization.json.jsonPrimitive
 
 /**
@@ -58,3 +61,53 @@ val GetTokenResponseJson.TwoFactorRequired?.twoFactorDisplayEmail: String
  */
 private val Map<TwoFactorAuthMethod, JsonObject?>.duo: JsonObject?
     get() = get(TwoFactorAuthMethod.DUO) ?: get(TwoFactorAuthMethod.DUO_ORGANIZATION)
+
+/**
+ * If it exists, return the identifier for the relying party used with Web AuthN two-factor
+ * authentication.
+ */
+val GetTokenResponseJson.TwoFactorRequired?.webAuthRpId: String?
+    get() = this
+        ?.authMethodsData
+        ?.get(TwoFactorAuthMethod.WEB_AUTH)
+        ?.get("rpId")
+        ?.jsonPrimitive
+        ?.contentOrNull
+
+/**
+ * If it exists, return the type of user verification needed to complete the Web AuthN two-factor
+ * authentication.
+ */
+val GetTokenResponseJson.TwoFactorRequired?.webAuthUserVerification: String?
+    get() = this
+        ?.authMethodsData
+        ?.get(TwoFactorAuthMethod.WEB_AUTH)
+        ?.get("userVerification")
+        ?.jsonPrimitive
+        ?.contentOrNull
+
+/**
+ * If it exists, return the challenge that the authenticator need to solve to complete the
+ * Web AuthN two-factor authentication.
+ */
+val GetTokenResponseJson.TwoFactorRequired?.webAuthChallenge: String?
+    get() = this
+        ?.authMethodsData
+        ?.get(TwoFactorAuthMethod.WEB_AUTH)
+        ?.get("challenge")
+        ?.jsonPrimitive
+        ?.contentOrNull
+
+/**
+ * If it exists, return the credentials allowed to be used to solve the challenge to complete the
+ * Web AuthN two-factor authentication.
+ */
+val GetTokenResponseJson.TwoFactorRequired?.webAuthAllowCredentials: List<String>?
+    get() = this
+        ?.authMethodsData
+        ?.get(TwoFactorAuthMethod.WEB_AUTH)
+        ?.get("allowCredentials")
+        ?.jsonArray
+        ?.mapNotNull {
+            it.jsonObject["id"]?.jsonPrimitive?.contentOrNull?.base64UrlDecodeOrNull()
+        }

app/src/main/java/com/x8bit/bitwarden/ui/auth/feature/twofactorlogin/TwoFactorLoginViewModel.kt

@@ -19,6 +19,7 @@ import com.x8bit.bitwarden.data.auth.repository.util.CaptchaCallbackTokenResult
 import com.x8bit.bitwarden.data.auth.repository.util.DuoCallbackTokenResult
 import com.x8bit.bitwarden.data.auth.repository.util.generateUriForCaptcha
 import com.x8bit.bitwarden.data.auth.util.YubiKeyResult
+import com.x8bit.bitwarden.ui.auth.feature.twofactorlogin.util.button
 import com.x8bit.bitwarden.ui.auth.feature.twofactorlogin.util.imageRes
 import com.x8bit.bitwarden.ui.auth.feature.twofactorlogin.util.isDuo
 import com.x8bit.bitwarden.ui.auth.feature.twofactorlogin.util.shouldUseNfc
@@ -456,12 +457,7 @@ data class TwoFactorLoginState(
     /**
      * The text to display for the button given the [authMethod].
      */
-    val buttonText: Text
-        get() = if (authMethod.isDuo) {
-            R.string.launch_duo.asText()
-        } else {
-            R.string.continue_text.asText()
-        }
+    val buttonText: Text get() = authMethod.button
 
     /**
      * Indicates if the screen should be listening for NFC events from the operating system.

app/src/main/java/com/x8bit/bitwarden/ui/auth/feature/twofactorlogin/util/TwoFactorAuthMethodExtensions.kt

@@ -20,6 +20,7 @@ val TwoFactorAuthMethod.title: Text
 
         TwoFactorAuthMethod.EMAIL -> R.string.email.asText()
         TwoFactorAuthMethod.RECOVERY_CODE -> R.string.recovery_code_title.asText()
+        TwoFactorAuthMethod.WEB_AUTH -> R.string.fido2_authenticate_web_authn.asText()
         TwoFactorAuthMethod.YUBI_KEY -> R.string.yubi_key_title.asText()
         else -> "".asText()
     }
@@ -38,10 +39,31 @@ fun TwoFactorAuthMethod.description(email: String): Text = when (this) {
     }
 
     TwoFactorAuthMethod.EMAIL -> R.string.enter_verification_code_email.asText(email)
+    TwoFactorAuthMethod.WEB_AUTH -> R.string.continue_to_complete_web_authn_verfication.asText()
     TwoFactorAuthMethod.YUBI_KEY -> R.string.yubi_key_instruction.asText()
     else -> "".asText()
 }
 
+/**
+ * Get the button label for the given auth method.
+ */
+val TwoFactorAuthMethod.button: Text
+    get() = when (this) {
+        TwoFactorAuthMethod.DUO,
+        TwoFactorAuthMethod.DUO_ORGANIZATION,
+        -> R.string.launch_duo.asText()
+
+        TwoFactorAuthMethod.AUTHENTICATOR_APP,
+        TwoFactorAuthMethod.EMAIL,
+        TwoFactorAuthMethod.YUBI_KEY,
+        TwoFactorAuthMethod.U2F,
+        TwoFactorAuthMethod.REMEMBER,
+        TwoFactorAuthMethod.RECOVERY_CODE,
+        -> R.string.continue_text.asText()
+
+        TwoFactorAuthMethod.WEB_AUTH -> R.string.launch_web_authn.asText()
+    }
+
 /**
  * Gets a boolean indicating if the given auth method uses Duo.
  */