From effb433b1d0f5f45b46d3b1d57f251e9681a1b31 Mon Sep 17 00:00:00 2001
From: camer0n <e107inc@gmail.com>
Date: Mon, 21 Apr 2025 17:03:52 -0700
Subject: [PATCH] Issue #5476 - Emulation mode. (beta)

---
 class2.php           | 29 +++++++++++++++++++++++++++++
 e107_admin/users.php | 29 +++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/class2.php b/class2.php
index b7cd44d71..b1233811f 100755
--- a/class2.php
+++ b/class2.php
@@ -524,6 +524,33 @@ if(!isset($_E107['no_session']) && !isset($_E107['no_lan']))
 
 	$dbg->logTime('Set User Language Session');
 	e107::getLanguage()->set();  // set e_LANGUAGE, USERLAN, Language Session / Cookies etc. requires $pref;
+
+	if($id = e107::getSession()->get('emulate'))
+	{
+		if(!empty($_POST['stopEmulation']))
+		{
+			e107::getSession()->clear('emulate');
+			e107::getMessage()->addSuccess("User access emulation mode has been stopped.");
+		}
+		else
+		{
+			$emulatedUser = e107::user($id);
+
+			$msg = "You are currently emulating the userclass and admin permissions of <b>".$emulatedUser['user_name']."</b>";
+			$msg .= "<br />This is a temporary emulation mode and will be cleared when you log out.";
+			$msg .= "<pre>userclasses: ".$emulatedUser['user_class']."\nadminperms: ".$emulatedUser['user_perms']."</pre>";
+			e107::getMessage()->setTitle('User Access Emulation Mode', E_MESSAGE_WARNING)->addWarning($msg);
+
+			$text = "<form action='".e_REQUEST_URI."' method='post'>\n";
+			$text .= "<input class='btn btn-dark' type='submit' name='stopEmulation' value='Stop Emulating' />\n";
+			$text .= "</form>\n";
+
+			e107::getMessage()->addWarning($text);
+
+			define('USERCLASS_LIST', $emulatedUser['user_class']);
+			define('ADMINPERMS', $emulatedUser['user_perms']);
+		}
+	}
 }
 else
 {
@@ -536,6 +563,8 @@ if(!empty($pref['multilanguage']) && (e_LANGUAGE !== $pref['sitelanguage']))
 	$sql2->mySQLlanguage = e_LANGUAGE;
 }
 
+
+
 //do it only once and with the proper function
 // e107_include_once(e_LANGUAGEDIR.e_LANGUAGE.'/'.e_LANGUAGE.'.php');
 // e107_include_once(e_LANGUAGEDIR.e_LANGUAGE.'/'.e_LANGUAGE.'_custom.php');
diff --git a/e107_admin/users.php b/e107_admin/users.php
index 993c7c935..fd620afc2 100644
--- a/e107_admin/users.php
+++ b/e107_admin/users.php
@@ -182,6 +182,13 @@ JS;
 						->setMode('main')
 						->setAction('logoutas');
 				break;
+
+				case 'emulate':
+					$this->getRequest()
+						->setQuery(array())
+						->setMode('main')
+						->setAction('emulate');
+				break;
 				
 				// redirect to AdminObserver/AdminPage()
 				case 'admin':
@@ -862,6 +869,26 @@ class users_admin_ui extends e_admin_ui
 	{
 		// System Message only on non-successful logout as another user 
 	}
+
+
+	/**
+	 * Allows the emulation of a user ID if the current user has sufficient permissions and a user ID is provided.
+	 * If the conditions are met, a message with the emulated User ID is displayed, and the session is updated to emulate the specified user ID.
+	 *
+	 * @return void
+	 */
+	public function emulatePage()
+	{
+
+		if(getperms('0') && !empty($_POST['userid']))
+		{
+			e107::getMessage()->addInfo("Emulating User ID".print_a($_POST,true));
+			e107::getSession()->set('emulate', (int) $_POST['userid']);
+		}
+
+		$this->redirect('list', 'main', true);
+
+	}
 	
 	/**
 	 * Remove admin status trigger
@@ -2723,6 +2750,8 @@ class users_admin_form_ui extends e_admin_form_ui
 			// login/logout As
 			if(getperms('0') && !($row['user_admin'] && getperms('0', $row['user_perms'])))
 			{
+				$opts['emulate'] = 'Emulate Permissions';
+
 				if(e107::getUser()->getSessionDataAs() == $row['user_id'])
 				{
 		//		    $text .= "<option value='logoutas'>".sprintf(USRLAN_AS_2, $row['user_name'])."</option>";