From 081726d7641f4eec22de271feb8e25388d37c3f6 Mon Sep 17 00:00:00 2001
From: Philipp Mundhenk <philipp@mundhenk.org>
Date: Sun, 21 Jan 2024 14:57:47 +0100
Subject: [PATCH] added automatic login

---
 plugins/proxy-auth/index.php        | 32 ++++++++++++++++++++++++++++-
 plugins/proxy-auth/js/auto-login.js | 32 +++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 plugins/proxy-auth/js/auto-login.js

diff --git a/plugins/proxy-auth/index.php b/plugins/proxy-auth/index.php
index fb108d8ce..8ba04c7be 100644
--- a/plugins/proxy-auth/index.php
+++ b/plugins/proxy-auth/index.php
@@ -15,7 +15,9 @@ class ProxyAuthPlugin extends \RainLoop\Plugins\AbstractPlugin
 
 	public function Init() : void
 	{
+		$this->addJs('js/auto-login.js');
 		$this->addPartHook('ProxyAuth', 'ServiceProxyAuth');
+		$this->addPartHook('UserHeaderSet', 'ServiceUserHeaderSet');
 		$this->addHook('login.credentials', 'MapEmailAddress');
 	}
 
@@ -140,6 +142,28 @@ class ProxyAuthPlugin extends \RainLoop\Plugins\AbstractPlugin
 		return true;
 	}
 
+	public function ServiceUserHeaderSet() : bool
+	{
+		$oActions = \RainLoop\Api::Actions();
+
+		$oLogger = $oActions->Logger();
+		$sLevel = LOG_DEBUG;
+		$sPrefix = "ProxyAuth";
+
+		$sHeaderName = \trim($this->Config()->getDecrypted('plugin', 'header_name', ''));
+
+		$sRemoteUser = $this->Manager()->Actions()->Http()->GetHeader($sHeaderName);
+		$sMsg = "Remote User: " . $sRemoteUser;
+		$oLogger->Write($sMsg, $sLevel, $sPrefix);
+
+		if (strlen($sRemoteUser) > 0) {
+			\MailSo\Base\Http::StatusHeader('200');
+		} else {
+			\MailSo\Base\Http::StatusHeader('401');
+		}
+		return true;
+	}
+
 	protected function configMapping() : array
 	{
 		return array(
@@ -178,7 +202,13 @@ class ProxyAuthPlugin extends \RainLoop\Plugins\AbstractPlugin
 				->SetType(\RainLoop\Enumerations\PluginPropertyType::STRING_TEXT)
 				->SetDescription('IP or Subnet of proxy, auth header will only be accepted from this address')
 				->SetDefaultValue('10.1.0.0/24')
-				->SetEncrypted()
+				->SetEncrypted(),
+			\RainLoop\Plugins\Property::NewInstance('auto_login')
+				->SetAllowedInJs(true)
+				->SetLabel('Activate automatic login')
+				->SetType(\RainLoop\Enumerations\PluginPropertyType::BOOL)
+				->SetDescription('Activates automatic login, if User Header is set (note: logout not possible)')
+				->SetDefaultValue(true)
 		);
 	}
 }
diff --git a/plugins/proxy-auth/js/auto-login.js b/plugins/proxy-auth/js/auto-login.js
new file mode 100644
index 000000000..6d2c72b1c
--- /dev/null
+++ b/plugins/proxy-auth/js/auto-login.js
@@ -0,0 +1,32 @@
+(rl => {
+
+    rl && addEventListener('rl-view-model', e => {
+        const id = e.detail.viewModelTemplateID;
+        if (e.detail && ('Login' === id)) {
+	    let
+		auto_login = window.rl.pluginSettingsGet('proxy-auth', 'auto_login');
+            ;
+
+            const
+                ForwardProxyAuth = () => {
+		    if (auto_login) {
+                        var xhr = new XMLHttpRequest();
+                        xhr.open("GET", "/?UserHeaderSet", true);
+
+                        xhr.onreadystatechange = function () {
+                            if (xhr.readyState == 4 && xhr.status == 200) {
+                                window.location.href = "/?ProxyAuth";
+                            }
+                        };
+
+                        xhr.send();
+                    }
+                };
+
+            window.ForwardProxyAuth = ForwardProxyAuth;
+
+            ForwardProxyAuth();
+        }
+    });
+})(window.rl);
+