add migration task for create/modify htaccess containing rewrite rules on photos hotlinks

git-svn-id: http://piwigo.org/svn/trunk@15124 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 92 insertions, 0 deletions

diff --git a/install/db/121-database.php b/install/db/121-database.php
new file mode 100644
index 000000000..3d5192aba
--- /dev/null
+++ b/install/db/121-database.php
@@ -0,0 +1,92 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based photo gallery                                    |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2012 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+// see http://piwigo.org/doc/doku.php?id=user_documentation:htaccess_and_hotlink_in_2.4
+
+$upgrade_description = 'add/append htaccess for hotlinks';
+$warning_message = 'Failed to modify <b>.htaccess</b> file, a manual intervention is needed, <a href="http://piwigo.org/doc/doku.php?id=user_documentation:htaccess_and_hotlink_in_2.4" target="_blank">click here for more information</a>';
+
+$htaccess = PHPWG_ROOT_PATH.'/.htaccess';
+$writable = true;
+if (file_exists($htaccess))
+{
+  if (!is_readable($htaccess) || !is_writable($htaccess))
+  {
+    $writable = false;
+  }
+}
+else
+{
+  $writable = is_writable(PHPWG_ROOT_PATH);
+}
+
+if (!$writable)
+{
+  array_push($page['warnings'], $warning_message);
+}
+else
+{
+  $content = file_exists($htaccess) ? file_get_contents($htaccess) : null;
+  if (strpos($content, 'RewriteEngine off') !== false)
+  {
+    array_push($page['warnings'], $warning_message);
+  }
+  else
+  {
+    if (strpos($content, 'RewriteEngine on') === false)
+    {
+      $content.='
+RewriteEngine on';
+    }
+    
+    $content.= '
+## redirect <2.4 thumbnails hotlinks to i.php
+RewriteRule ^upload/(.*)/'.preg_quote($conf['dir_thumbnail']).'/'.preg_quote($conf['prefix_thumbnail']).'(.*)\.([a-z0-9]{3,4})$ i.php?/upload/$1/$2-th.$3 [L]
+RewriteRule ^galleries/(.*)/'.preg_quote($conf['dir_thumbnail']).'/'.preg_quote($conf['prefix_thumbnail']).'(.*)\.([a-z0-9]{3,4})$ i.php?/galleries/$1/$2-th.$3 [L]
+
+## redirect <2.4 high-def hotlinks to original file
+RewriteRule ^upload/(.*)/pwg_high/(.*)\.([a-z0-9]{3,4})$ upload/$1/$2.$3 [L]
+RewriteRule ^galleries/(.*)/pwg_high/(.*)\.([a-z0-9]{3,4})$ galleries/$1/$2.$3 [L]
+
+## redirect <2.4 low-def hotlinks to i.php
+RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?'.preg_quote($_SERVER['SERVER_NAME']).'/.*$ [NC]
+RewriteRule ^upload/(.*)/(.*)\.([a-z0-9]{3,4})$ i.php?/upload/$1/$2-me.$3 [L]
+RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?'.preg_quote($_SERVER['SERVER_NAME']).'/.*$ [NC]
+RewriteRule ^galleries(.*)/(.*)\.([a-z0-9]{3,4})$ i.php?/galleries/$1/$2-me.$3 [L]';
+    
+    file_put_contents($htaccess, $content);
+  }
+}
+
+
+echo
+"\n"
+. $upgrade_description
+."\n"
+;
+?>
\ No newline at end of file