feat: implement oidc & refactor login activity

Author: jmattheis

app/build.gradle.kts

@@ -104,8 +104,3 @@ dependencies {
 
 }
 
-configurations {
-    configureEach {
-        exclude(group = "androidx.lifecycle", module = "lifecycle-viewmodel-ktx")
-    }
-}

app/src/main/AndroidManifest.xml

@@ -43,10 +43,18 @@
             android:theme="@style/AppTheme.NoActionBar" />
         <activity
             android:name=".login.LoginActivity"
-            android:exported="false"
+            android:exported="true"
             android:label="Login"
+            android:launchMode="singleTop"
             android:theme="@style/AppTheme.NoActionBar.Login"
-            android:windowSoftInputMode="adjustResize" />
+            android:windowSoftInputMode="adjustResize">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="gotify" android:host="oidc" android:path="/callback" />
+            </intent-filter>
+        </activity>
         <activity
             android:name=".log.LogsActivity"
             android:exported="false"

app/src/main/kotlin/com/github/gotify/Settings.kt

@@ -45,6 +45,12 @@ internal class Settings(context: Context) {
     var clientCertPassword: String?
         get() = sharedPreferences.getString("clientCertPass", null)
         set(value) = sharedPreferences.edit { putString("clientCertPass", value) }
+    var oidcCodeVerifier: String?
+        get() = sharedPreferences.getString("oidc_code_verifier", null)
+        set(value) = sharedPreferences.edit { putString("oidc_code_verifier", value) }
+    var oidcState: String?
+        get() = sharedPreferences.getString("oidc_state", null)
+        set(value) = sharedPreferences.edit { putString("oidc_state", value) }
 
     init {
         sharedPreferences = context.getSharedPreferences("gotify", Context.MODE_PRIVATE)
@@ -61,6 +67,8 @@ internal class Settings(context: Context) {
         caCertPath = null
         clientCertPath = null
         clientCertPassword = null
+        oidcCodeVerifier = null
+        oidcState = null
     }
 
     fun setUser(name: String?, admin: Boolean) {

app/src/main/kotlin/com/github/gotify/api/ClientFactory.kt

@@ -3,6 +3,8 @@ package com.github.gotify.api
 import com.github.gotify.SSLSettings
 import com.github.gotify.Settings
 import com.github.gotify.client.ApiClient
+import com.github.gotify.client.api.InfoApi
+import com.github.gotify.client.api.OidcApi
 import com.github.gotify.client.api.UserApi
 import com.github.gotify.client.api.VersionApi
 import com.github.gotify.client.auth.ApiKeyAuth
@@ -37,12 +39,20 @@ internal object ClientFactory {
         return client
     }
 
-    fun versionApi(
+    fun infoApi(
         settings: Settings,
         sslSettings: SSLSettings = settings.sslSettings(),
         baseUrl: String = settings.url
-    ): VersionApi {
-        return unauthorized(settings, sslSettings, baseUrl).createService(VersionApi::class.java)
+    ): InfoApi {
+        return unauthorized(settings, sslSettings, baseUrl).createService(InfoApi::class.java)
+    }
+
+    fun oidcApi(
+        settings: Settings,
+        sslSettings: SSLSettings = settings.sslSettings(),
+        baseUrl: String = settings.url
+    ): OidcApi {
+        return unauthorized(settings, sslSettings, baseUrl).createService(OidcApi::class.java)
     }
 
     fun userApiWithToken(settings: Settings): UserApi {

app/src/main/kotlin/com/github/gotify/init/InitializationActivity.kt

@@ -167,7 +167,7 @@ internal class InitializationActivity : AppCompatActivity() {
         callback: SuccessCallback<VersionInfo>,
         errorCallback: Callback.ErrorCallback
     ) {
-        ClientFactory.versionApi(settings)
+        ClientFactory.infoApi(settings)
             .version
             .enqueue(Callback.callInUI(this, callback, errorCallback))
     }