2 files changed, 23 insertions, 2 deletions

diff --git a/server/lib/plugins/plugin-manager.ts b/server/lib/plugins/plugin-manager.ts
index f78b989f5..9d646b689 100644
--- a/server/lib/plugins/plugin-manager.ts
+++ b/server/lib/plugins/plugin-manager.ts
@@ -76,7 +76,7 @@ export class PluginManager implements ServerHook {
     return this.registeredPlugins[npmName]
   }
 
-  getRegisteredPlugin (name: string) {
+  getRegisteredPluginByShortName (name: string) {
     const npmName = PluginModel.buildNpmName(name, PluginType.PLUGIN)
     const registered = this.getRegisteredPluginOrTheme(npmName)
 
@@ -85,7 +85,7 @@ export class PluginManager implements ServerHook {
     return registered
   }
 
-  getRegisteredTheme (name: string) {
+  getRegisteredThemeByShortName (name: string) {
     const npmName = PluginModel.buildNpmName(name, PluginType.THEME)
     const registered = this.getRegisteredPluginOrTheme(npmName)
 
@@ -132,6 +132,22 @@ export class PluginManager implements ServerHook {
     return this.translations[locale] || {}
   }
 
+  onLogout (npmName: string, authName: string) {
+    const plugin = this.getRegisteredPluginOrTheme(npmName)
+    if (!plugin || plugin.type !== PluginType.PLUGIN) return
+
+    const auth = plugin.registerHelpersStore.getIdAndPassAuths()
+      .find(a => a.authName === authName)
+
+    if (auth.onLogout) {
+      try {
+        auth.onLogout()
+      } catch (err) {
+        logger.warn('Cannot run onLogout function from auth %s of plugin %s.', authName, npmName, { err })
+      }
+    }
+  }
+
   // ###################### Hooks ######################
 
   async runHook<T> (hookName: ServerHookName, result?: T, params?: any): Promise<T> {
diff --git a/server/lib/plugins/register-helpers-store.ts b/server/lib/plugins/register-helpers-store.ts
index 7e827401f..679ed3650 100644
--- a/server/lib/plugins/register-helpers-store.ts
+++ b/server/lib/plugins/register-helpers-store.ts
@@ -171,6 +171,11 @@ export class RegisterHelpersStore {
 
   private buildRegisterIdAndPassAuth () {
     return (options: RegisterServerAuthPassOptions) => {
+      if (!options.authName || typeof options.getWeight !== 'function' || typeof options.login !== 'function') {
+        logger.error('Cannot register auth plugin %s: authName of getWeight or login are not valid.', this.npmName)
+        return
+      }
+
       this.idAndPassAuths.push(options)
     }
   }