Merge pull request #2047 from vector-im/feature/universal_link_navigation

Handle room, user, group, email verification links by converting them to permalinks.

CHANGES.md

@@ -22,6 +22,8 @@ Bugfix 🐛:
  - Loudspeaker is always used (#1685)
  - Fix uploads still don't work with room v6 (#1879)
  - Can't handle ongoing call events in background (#1992)
+ - Handle room, user and group links by the Element app (#1795)
+ - Update associated site domain (#1833)
  - Crash / Attachment viewer: Cannot draw a recycled Bitmap #2034
  - Login with Matrix-Id | Autodiscovery fails if identity server is invalid and Homeserver ok (#2027)
  - Support for image compression on Android 10

tools/tests/test_configuration_link.sh

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 
-adb shell am start -a android.intent.action.VIEW -d "https://riot.im/config/config?hs_url=https%3A%2F%2Fmozilla-test.modular.im"
+adb shell am start -a android.intent.action.VIEW -d "https://mobile.element.io?hs_url=https%3A%2F%2Fmozilla-test.modular.im"

vector/src/main/AndroidManifest.xml

@@ -144,8 +144,10 @@
 
                 <data android:scheme="https" />
                 <data android:host="riot.im" />
-                <data android:host="element.io" />
-                <data android:pathPrefix="/config/" />
+                <data android:host="app.element.io" />
+                <data android:host="mobile.element.io" />
+                <data android:host="develop.element.io" />
+                <data android:host="staging.element.io" />
             </intent-filter>
         </activity>
 

vector/src/main/java/im/vector/app/features/link/LinkHandlerActivity.kt

@@ -24,10 +24,14 @@ import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.di.ScreenComponent
 import im.vector.app.core.error.ErrorFormatter
 import im.vector.app.core.platform.VectorBaseActivity
+import im.vector.app.core.utils.toast
 import im.vector.app.features.login.LoginActivity
 import im.vector.app.features.login.LoginConfig
+import im.vector.app.features.permalink.PermalinkHandler
+import io.reactivex.android.schedulers.AndroidSchedulers
 import org.matrix.android.sdk.api.MatrixCallback
 import timber.log.Timber
+import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 
 /**
@@ -37,6 +41,7 @@ class LinkHandlerActivity : VectorBaseActivity() {
 
     @Inject lateinit var sessionHolder: ActiveSessionHolder
     @Inject lateinit var errorFormatter: ErrorFormatter
+    @Inject lateinit var permalinkHandler: PermalinkHandler
 
     override fun injectWith(injector: ScreenComponent) {
         injector.inject(this)
@@ -54,20 +59,57 @@ class LinkHandlerActivity : VectorBaseActivity() {
             return
         }
 
-        if (uri.path == PATH_CONFIG) {
-            if (sessionHolder.hasActiveSession()) {
-                displayAlreadyLoginPopup(uri)
-            } else {
-                // user is not yet logged in, this is the nominal case
-                startLoginActivity(uri)
-            }
-        } else {
-            // Other link are not yet handled, but should not comes here (manifest configuration error?)
-            Timber.w("Unable to handle this uir: $uri")
-            finish()
+        if (uri.getQueryParameter(CONFIG_PATH_HS_PARAMETER) != null) {
+            handleConfigUrl(uri)
+        } else if (SUPPORTED_HOSTS.contains(uri.host)) {
+            handleSupportedHostUrl(uri)
         }
     }
 
+    private fun handleConfigUrl(uri: Uri) {
+        if (sessionHolder.hasActiveSession()) {
+            displayAlreadyLoginPopup(uri)
+        } else {
+            // user is not yet logged in, this is the nominal case
+            startLoginActivity(uri)
+        }
+    }
+
+    private fun handleSupportedHostUrl(uri: Uri) {
+        if (!sessionHolder.hasActiveSession()) {
+            startLoginActivity(uri)
+            finish()
+        } else {
+            convertUriToPermalink(uri)?.let { permalink ->
+                startPermalinkHandler(permalink)
+            } ?: run {
+                // Host is correct but we do not recognize path
+                Timber.w("Unable to handle this uri: $uri")
+                finish()
+            }
+        }
+    }
+
+    private fun convertUriToPermalink(uri: Uri): String? {
+        val path = SUPPORTED_PATHS.find { it in uri.toString() } ?: return null
+        // https://riot.im/develop/#/room/#element-android:matrix.org ->  https://matrix.to/#/#element-android:matrix.org
+        // https://app.element.io/#/room/#element-android:matrix.org  ->  https://matrix.to/#/#element-android:matrix.org
+        return "https://$MATRIX_TO_HOST/#" + uri.toString().substringAfter(path)
+    }
+
+    private fun startPermalinkHandler(permalink: String) {
+        permalinkHandler.launch(this, permalink, buildTask = true)
+                .delay(500, TimeUnit.MILLISECONDS)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe { isHandled ->
+                    if (!isHandled) {
+                        toast(R.string.universal_link_malformed)
+                    }
+                    finish()
+                }
+                .disposeOnDestroy()
+    }
+
     /**
      * Start the login screen with identity server and home server pre-filled
      */
@@ -113,6 +155,10 @@ class LinkHandlerActivity : VectorBaseActivity() {
     }
 
     companion object {
-        private const val PATH_CONFIG = "/config/config"
+        private const val CONFIG_PATH_HS_PARAMETER = "hs_url"
+
+        private val SUPPORTED_HOSTS = arrayOf("app.element.io", "riot.im", "develop.element.io", "staging.element.io")
+        private val SUPPORTED_PATHS = arrayOf("/#/room", "/#/user", "/#/group")
+        private const val MATRIX_TO_HOST = "matrix.to"
     }
 }

vector/src/main/java/im/vector/app/features/login/LoginConfig.kt

@@ -22,7 +22,7 @@ import kotlinx.android.parcel.Parcelize
 
 /**
  * Parameters extracted from a configuration url
- * Ex: https://riot.im/config/config?hs_url=https%3A%2F%2Fexample.modular.im&is_url=https%3A%2F%2Fcustom.identity.org
+ * Ex: https://mobile.element.io?hs_url=https%3A%2F%2Fexample.modular.im&is_url=https%3A%2F%2Fcustom.identity.org
  *
  * Note: On RiotX, identityServerUrl will never be used, so is declared private. Keep it for compatibility reason.
  */

vector/src/main/res/values/strings.xml

@@ -2564,4 +2564,7 @@
     <string name="auth_pin_confirm_to_disable_title">Confirm PIN to disable PIN</string>
     <string name="error_opening_banned_room">Can\'t open a room where you are banned from.</string>
     <string name="room_error_not_found">Can\'t find this room. Make sure it exists.</string>
+
+    <!-- Universal link -->
+    <string name="universal_link_malformed">The link was malformed</string>
 </resources>