From aca0d5f418d10c796e5b0e041cba26beb5d9fc77 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Joshua=20R=C3=BCsweg?= <ruesweg@woltlab.com>
Date: Fri, 28 Jun 2019 22:49:22 +0200
Subject: [PATCH] Add disconnect from 3rdparty provider option for
 administrators See #2951

---
 wcfsetup/install/files/acp/templates/userAdd.tpl |  7 +++++++
 .../files/lib/acp/form/UserEditForm.class.php    | 16 ++++++++++++++--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/acp/templates/userAdd.tpl b/wcfsetup/install/files/acp/templates/userAdd.tpl
index 48e10f0ea9..7a06ba541e 100644
--- a/wcfsetup/install/files/acp/templates/userAdd.tpl
+++ b/wcfsetup/install/files/acp/templates/userAdd.tpl
@@ -122,6 +122,13 @@
 						<h2 class="sectionTitle">{lang}wcf.user.3rdparty{/lang}</h2>
 						
 						<div class="info">{lang}wcf.user.3rdparty.connect.info{/lang}</div>
+						
+						<dl>
+							<dt></dt>
+							<dd>
+								<label><input type="checkbox" name="disconnect3rdParty" value="1"> {lang}wcf.user.3rdparty.{$user->getAuthProvider()}.disconnect{/lang}</label>
+							</dd>
+						</dl>
 					</section>
 				{else}
 					<section class="section">
diff --git a/wcfsetup/install/files/lib/acp/form/UserEditForm.class.php b/wcfsetup/install/files/lib/acp/form/UserEditForm.class.php
index 9d4e7121f7..c86d740788 100755
--- a/wcfsetup/install/files/lib/acp/form/UserEditForm.class.php
+++ b/wcfsetup/install/files/lib/acp/form/UserEditForm.class.php
@@ -127,6 +127,12 @@ class UserEditForm extends UserAddForm {
 	 */
 	public $deleteCoverPhoto = 0;
 	
+	/**
+	 * true to delete the current auth data
+	 * @var	boolean
+	 */
+	public $disconnect3rdParty = 0;
+	
 	/**
 	 * @inheritDoc
 	 */
@@ -186,6 +192,8 @@ class UserEditForm extends UserAddForm {
 				if (isset($_POST['disableCoverPhotoExpires'])) $this->disableCoverPhotoExpires = @strtotime(StringUtil::trim($_POST['disableCoverPhotoExpires']));
 			}
 		}
+		
+		if (WCF::getSession()->getPermission('admin.user.canEditPassword') && isset($_POST['disconnect3rdParty'])) $this->disconnect3rdParty = 1;
 	}
 	
 	/**
@@ -319,6 +327,10 @@ class UserEditForm extends UserAddForm {
 		
 		$this->additionalFields = array_merge($this->additionalFields, $avatarData);
 		
+		if ($this->disconnect3rdParty) {
+			$this->additionalFields['authData'] = '';
+		}
+		
 		// add default groups
 		$defaultGroups = UserGroup::getAccessibleGroups([UserGroup::GUESTS, UserGroup::EVERYONE, UserGroup::USERS]);
 		$oldGroupIDs = $this->user->getGroupIDs();
@@ -410,8 +422,8 @@ class UserEditForm extends UserAddForm {
 		// reset password
 		$this->password = $this->confirmPassword = '';
 		
-		// reload user when deleting the cover photo
-		if ($this->deleteCoverPhoto) $this->user = new User($this->userID);
+		// reload user when deleting the cover photo or disconneting from 3rd party auth provider
+		if ($this->deleteCoverPhoto || $this->disconnect3rdParty) $this->user = new User($this->userID);
 		
 		// show success message
 		WCF::getTPL()->assign('success', true);
-- 
2.20.1