7 files changed, 21 insertions, 11 deletions

diff --git a/apps/files_external/lib/auth/oauth1/oauth1.php b/apps/files_external/lib/auth/oauth1/oauth1.php
index dd83c9a6a69..808681530ea 100644
--- a/apps/files_external/lib/auth/oauth1/oauth1.php
+++ b/apps/files_external/lib/auth/oauth1/oauth1.php
@@ -46,7 +46,7 @@ class OAuth1 extends AuthMechanism {
 				(new DefinitionParameter('token_secret', 'token_secret'))
 					->setType(DefinitionParameter::VALUE_HIDDEN),
 			])
-			->setCustomJs('oauth1')
+			->addCustomJs('oauth1')
 		;
 	}
 
diff --git a/apps/files_external/lib/auth/oauth2/oauth2.php b/apps/files_external/lib/auth/oauth2/oauth2.php
index c89007b52ba..d4bba8ef0eb 100644
--- a/apps/files_external/lib/auth/oauth2/oauth2.php
+++ b/apps/files_external/lib/auth/oauth2/oauth2.php
@@ -44,7 +44,7 @@ class OAuth2 extends AuthMechanism {
 				(new DefinitionParameter('token', 'token'))
 					->setType(DefinitionParameter::VALUE_HIDDEN),
 			])
-			->setCustomJs('oauth2')
+			->addCustomJs('oauth2')
 		;
 	}
 
diff --git a/apps/files_external/lib/auth/publickey/rsa.php b/apps/files_external/lib/auth/publickey/rsa.php
index 9045f6818f9..7732beeddf8 100644
--- a/apps/files_external/lib/auth/publickey/rsa.php
+++ b/apps/files_external/lib/auth/publickey/rsa.php
@@ -52,7 +52,7 @@ class RSA extends AuthMechanism {
 				(new DefinitionParameter('private_key', 'private_key'))
 					->setType(DefinitionParameter::VALUE_HIDDEN),
 			])
-			->setCustomJs('public_key')
+			->addCustomJs('public_key')
 		;
 	}
 
diff --git a/apps/files_external/lib/backend/dropbox.php b/apps/files_external/lib/backend/dropbox.php
index f9156082515..2133c274996 100644
--- a/apps/files_external/lib/backend/dropbox.php
+++ b/apps/files_external/lib/backend/dropbox.php
@@ -44,6 +44,7 @@ class Dropbox extends Backend {
 				// all parameters handled in OAuth1 mechanism
 			])
 			->addAuthScheme(AuthMechanism::SCHEME_OAUTH1)
+			->addCustomJs('dropbox')
 			->setLegacyAuthMechanism($legacyAuth)
 		;
 	}
diff --git a/apps/files_external/lib/backend/google.php b/apps/files_external/lib/backend/google.php
index b2b48a0e402..b18b7bdb348 100644
--- a/apps/files_external/lib/backend/google.php
+++ b/apps/files_external/lib/backend/google.php
@@ -44,6 +44,7 @@ class Google extends Backend {
 				// all parameters handled in OAuth2 mechanism
 			])
 			->addAuthScheme(AuthMechanism::SCHEME_OAUTH2)
+			->addCustomJs('gdrive')
 			->setLegacyAuthMechanism($legacyAuth)
 		;
 	}
diff --git a/apps/files_external/lib/backend/legacybackend.php b/apps/files_external/lib/backend/legacybackend.php
index 084758ff78a..752c501e1ec 100644
--- a/apps/files_external/lib/backend/legacybackend.php
+++ b/apps/files_external/lib/backend/legacybackend.php
@@ -84,7 +84,7 @@ class LegacyBackend extends Backend {
 			$this->setPriority($definition['priority']);
 		}
 		if (isset($definition['custom'])) {
-			$this->setCustomJs($definition['custom']);
+			$this->addCustomJs($definition['custom']);
 		}
 		if (isset($definition['has_dependencies']) && $definition['has_dependencies']) {
 			$this->hasDependencies = true;
diff --git a/apps/files_external/lib/frontenddefinitiontrait.php b/apps/files_external/lib/frontenddefinitiontrait.php
index 9f2b7c40f7f..ccc2a75fd1b 100644
--- a/apps/files_external/lib/frontenddefinitiontrait.php
+++ b/apps/files_external/lib/frontenddefinitiontrait.php
@@ -36,8 +36,8 @@ trait FrontendDefinitionTrait {
 	/** @var DefinitionParameter[] parameters for mechanism */
 	private $parameters = [];
 
-	/** @var string|null custom JS */
-	private $customJs = null;
+	/** @var string[] custom JS */
+	private $customJs = [];
 
 	/**
 	 * @return string
@@ -92,7 +92,7 @@ trait FrontendDefinitionTrait {
 	}
 
 	/**
-	 * @return string|null
+	 * @return string[]
 	 */
 	public function getCustomJs() {
 		return $this->customJs;
@@ -102,8 +102,18 @@ trait FrontendDefinitionTrait {
 	 * @param string $custom
 	 * @return self
 	 */
+	public function addCustomJs($custom) {
+		$this->customJs[] = $custom;
+		return $this;
+	}
+
+	/**
+	 * @param string $custom
+	 * @return self
+	 * @deprecated 9.1.0, use addCustomJs() instead
+	 */
 	public function setCustomJs($custom) {
-		$this->customJs = $custom;
+		$this->customJs = [$custom];
 		return $this;
 	}
 
@@ -121,10 +131,8 @@ trait FrontendDefinitionTrait {
 		$data = [
 			'name' => $this->getText(),
 			'configuration' => $configuration,
+			'custom' => $this->getCustomJs(),
 		];
-		if (isset($this->customJs)) {
-			$data['custom'] = $this->getCustomJs();
-		}
 		return $data;
 	}