X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=actions%2Favatar.php;h=9f397e93c3e0148248955ae8746308a489631f02;hb=bf14709fe2ed18f5a2641f841cb000a4856290fd;hp=ebfbd72952e9d1bec9ec315d3c958c948de38e4b;hpb=7e6870db914d4e905fc7ae833b69404fd3ea0d3d;p=quix0rs-gnu-social.git

diff --git a/actions/avatar.php b/actions/avatar.php
index ebfbd72952..9f397e93c3 100644
--- a/actions/avatar.php
+++ b/actions/avatar.php
@@ -58,6 +58,7 @@ class AvatarAction extends SettingsAction {
 										   'id' => 'avatar',
 										   'action' =>
 										   common_local_url('avatar')));
+		common_hidden('token', common_session_token());
 		common_element('input', array('name' => 'MAX_FILE_SIZE',
 									  'type' => 'hidden',
 									  'id' => 'MAX_FILE_SIZE',
@@ -72,6 +73,14 @@ class AvatarAction extends SettingsAction {
 
 	function handle_post() {
 
+		# CSRF protection
+
+		$token = $this->trimmed('token');
+		if (!$token || $token != common_session_token()) {
+			$this->show_form(_('There was a problem with your session token. Try again, please.'));
+			return;
+		}
+
 		switch ($_FILES['avatarfile']['error']) {
 		 case UPLOAD_ERR_OK: # success, jump out
 			break;