feat(federation): Add TalkV1 federation proxy for mentions

Decision is to proxy the requests on the own server,
so we can proxy other services (matrix coming to mind)
in the future and the clients still have to only talk to
their own server, to help with CSP and to reduce the efforts

Signed-off-by: Joas Schilling <coding@schilljs.com>

2 files changed, 43 insertions, 0 deletions

diff --git a/tests/integration/features/bootstrap/FeatureContext.php b/tests/integration/features/bootstrap/FeatureContext.php
index 6b6d5bcb0..c7fe82313 100644
--- a/tests/integration/features/bootstrap/FeatureContext.php
+++ b/tests/integration/features/bootstrap/FeatureContext.php
@@ -540,6 +540,10 @@ class FeatureContext implements Context, SnippetAcceptingContext {
 
 		if ($formData) {
 			if ($status === 200) {
+				if (!isset(self::$tokenToIdentifier[$response['token']])) {
+					self::$identifierToToken[$server . '::' . $roomName] = $response['token'];
+				}
+
 				$this->assertRooms([$response], $formData);
 			} else {
 				Assert::assertSame($formData->getRowsHash(), $response);
@@ -2845,6 +2849,12 @@ class FeatureContext implements Context, SnippetAcceptingContext {
 				Assert::assertRegExp('/^guest\/[0-9a-f]{40}$/', $mentions[$key]['id']);
 				$mentions[$key]['id'] = 'GUEST_ID';
 			}
+			if (str_ends_with($row['id'], '@{$BASE_URL}')) {
+				$row['id'] = str_replace('{$BASE_URL}', rtrim($this->baseUrl, '/'), $row['id']);
+			}
+			if (str_ends_with($row['id'], '@{$REMOTE_URL}')) {
+				$row['id'] = str_replace('{$REMOTE_URL}', rtrim($this->baseRemoteUrl, '/'), $row['id']);
+			}
 			if (array_key_exists('avatar', $row)) {
 				Assert::assertRegExp('/' . self::$identifierToToken[$row['avatar']] . '\/avatar/', $mentions[$key]['avatar']);
 				unset($row['avatar']);
diff --git a/tests/integration/features/federation/chat.feature b/tests/integration/features/federation/chat.feature
new file mode 100644
index 000000000..0227c2e27
--- /dev/null
+++ b/tests/integration/features/federation/chat.feature
@@ -0,0 +1,33 @@
+Feature: federation/chat
+  Background:
+    Given user "participant1" exists
+    Given user "participant2" exists
+    Given user "participant3" exists
+
+  Scenario: Get mention suggestions
+    Given the following "spreed" app config is set
+      | federation_enabled | yes |
+    Given user "participant1" creates room "room" (v4)
+      | roomType | 2 |
+      | roomName | room |
+    And user "participant1" adds federated_user "participant2" to room "room" with 200 (v4)
+    And user "participant1" adds user "participant3" to room "room" with 200 (v4)
+    And user "participant2" has the following invitations (v1)
+      | remoteServerUrl | remoteToken | state | inviterCloudId                     | inviterDisplayName       |
+      | LOCAL           | room        | 0     | participant1@http://localhost:8080 | participant1-displayname |
+    And user "participant2" accepts invite to room "room" of server "LOCAL" with 200 (v1)
+      | id   | name | type | remoteServer | remoteToken |
+      | room | room | 2    | LOCAL        | room        |
+    Then user "participant2" is participant of the following rooms (v4)
+      | id   | type |
+      | room | 2    |
+    And user "participant1" gets the following candidate mentions in room "room" for "" with 200
+      | source          | id                         | label                       |
+      | calls           | all                        | room                        |
+      | federated_users | participant2@{$REMOTE_URL} | participant2@localhost:8180 |
+      | users           | participant3               | participant3-displayname    |
+    And user "participant2" gets the following candidate mentions in room "LOCAL::room" for "" with 200
+      | source          | id                       | label                    |
+      | calls           | all                      | room                     |
+      | federated_users | participant1@{$BASE_URL} | participant1-displayname |
+      | federated_users | participant3@{$BASE_URL} | participant3-displayname |