OIDC configuration (#4623)

* Login: more logs.

* Login: map Oidc error to provide more information in the error dialog.

* Oidc: use the application name.

* Oidc: move configuration from OidcConfigurationProvider to OidcConfig and add some comments.

* Oidc: limit to only 1 contact in the configuration.

* Oidc: Move configuration to BuildConfig file.

* Remove unused const.

* Add missing test on Exception mapping

* Remove contacts from OidcConfiguration.

https://github.com/matrix-org/matrix-rust-sdk/pull/4958

libraries/matrix/api/build.gradle.kts

@@ -1,3 +1,5 @@
+import config.BuildTimeConfig
+import extension.buildConfigFieldStr
 import extension.setupAnvil
 
 /*
@@ -19,6 +21,32 @@ android {
     buildFeatures {
         buildConfig = true
     }
+
+    defaultConfig {
+        buildConfigFieldStr(
+            name = "CLIENT_URI",
+            value = BuildTimeConfig.URL_WEBSITE ?: "https://element.io"
+        )
+        buildConfigFieldStr(
+            name = "REDIRECT_URI",
+            value = buildString {
+                append(BuildTimeConfig.METADATA_HOST_REVERSED ?: "io.element")
+                append(":/callback")
+            }
+        )
+        buildConfigFieldStr(
+            name = "LOGO_URI",
+            value = BuildTimeConfig.URL_LOGO ?: "https://element.io/mobile-icon.png"
+        )
+        buildConfigFieldStr(
+            name = "TOS_URI",
+            value = BuildTimeConfig.URL_ACCEPTABLE_USE ?: "https://element.io/acceptable-use-policy-terms"
+        )
+        buildConfigFieldStr(
+            name = "POLICY_URI",
+            value = BuildTimeConfig.URL_POLICY ?: "https://element.io/privacy"
+        )
+    }
 }
 
 setupAnvil()

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/auth/AuthenticationException.kt

@@ -10,5 +10,6 @@ package io.element.android.libraries.matrix.api.auth
 sealed class AuthenticationException(message: String) : Exception(message) {
     class InvalidServerName(message: String) : AuthenticationException(message)
     class SlidingSyncVersion(message: String) : AuthenticationException(message)
+    class Oidc(message: String) : AuthenticationException(message)
     class Generic(message: String) : AuthenticationException(message)
 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/auth/OidcConfig.kt

@@ -7,6 +7,27 @@
 
 package io.element.android.libraries.matrix.api.auth
 
+import io.element.android.libraries.matrix.api.BuildConfig
+
 object OidcConfig {
-    const val REDIRECT_URI = "io.element:/callback"
+    const val CLIENT_URI = BuildConfig.CLIENT_URI
+
+    // Notes:
+    // 1. the scheme must match the value declared in the AndroidManifest.xml
+    // 2. the scheme must be the reverse of the host of CLIENT_URI
+    const val REDIRECT_URI = BuildConfig.REDIRECT_URI
+
+    // Note: host must match with the host of CLIENT_URI
+    const val LOGO_URI = BuildConfig.LOGO_URI
+
+    // Note: host must match with the host of CLIENT_URI
+    const val TOS_URI = BuildConfig.TOS_URI
+
+    // Note: host must match with the host of CLIENT_URI
+    const val POLICY_URI = BuildConfig.POLICY_URI
+
+    // Some homeservers/auth issuers don't support dynamic client registration, and have to be registered manually
+    val STATIC_REGISTRATIONS = mapOf(
+        "https://id.thirdroom.io/realms/thirdroom" to "elementx",
+    )
 }