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authorvdigital <vdigital@piwigo.org>2008-05-23 21:05:41 +0000
committervdigital <vdigital@piwigo.org>2008-05-23 21:05:41 +0000
commit77fd1f51a3c5f5a52f72ef8a299fe368228e2285 (patch)
treea67ede42904657ccf3349ecdaef1cec8b8e36ff8 /BSF/include/functions_cookie.inc.php
parent553727dffacc48e8337c1d141f2a25af359e74b1 (diff)
git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'BSF/include/functions_cookie.inc.php')
-rw-r--r--BSF/include/functions_cookie.inc.php115
1 files changed, 115 insertions, 0 deletions
diff --git a/BSF/include/functions_cookie.inc.php b/BSF/include/functions_cookie.inc.php
new file mode 100644
index 000000000..159a5b538
--- /dev/null
+++ b/BSF/include/functions_cookie.inc.php
@@ -0,0 +1,115 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008 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. |
+// +-----------------------------------------------------------------------+
+
+// cookie_path returns the path to use for the Piwigo cookie.
+// If Piwigo is installed on :
+// http://domain.org/meeting/gallery/category.php
+// cookie_path will return : "/meeting/gallery"
+function cookie_path()
+{
+ if ( isset($_SERVER['REDIRECT_SCRIPT_NAME']) and
+ !empty($_SERVER['REDIRECT_SCRIPT_NAME']) )
+ {
+ $scr = $_SERVER['REDIRECT_SCRIPT_NAME'];
+ }
+ else if ( isset($_SERVER['REDIRECT_URL']) )
+ {
+ // mod_rewrite is activated for upper level directories. we must set the
+ // cookie to the path shown in the browser otherwise it will be discarded.
+ if
+ (
+ isset($_SERVER['PATH_INFO']) and !empty($_SERVER['PATH_INFO']) and
+ ($_SERVER['REDIRECT_URL'] !== $_SERVER['PATH_INFO']) and
+ (substr($_SERVER['REDIRECT_URL'],-strlen($_SERVER['PATH_INFO']))
+ == $_SERVER['PATH_INFO'])
+ )
+ {
+ $scr = substr($_SERVER['REDIRECT_URL'], 0,
+ strlen($_SERVER['REDIRECT_URL'])-strlen($_SERVER['PATH_INFO']));
+ }
+ else
+ {
+ $scr = $_SERVER['REDIRECT_URL'];
+ }
+ }
+ else
+ {
+ $scr = $_SERVER['SCRIPT_NAME'];
+ }
+
+ $scr = substr($scr,0,strrpos( $scr,'/'));
+
+ // add a trailing '/' if needed
+ if ((strlen($scr) == 0) or ($scr{strlen($scr)-1} !== '/'))
+ {
+ $scr .= '/';
+ }
+
+ if ( substr(PHPWG_ROOT_PATH,0,3)=='../')
+ { // this is maybe a plugin inside pwg directory
+ // TODO - what if it is an external script outside PWG ?
+ $scr = $scr.PHPWG_ROOT_PATH;
+ while (1)
+ {
+ $new = preg_replace('#[^/]+/\.\.(/|$)#', '', $scr);
+ if ($new==$scr)
+ {
+ break;
+ }
+ $scr=$new;
+ }
+ }
+ return $scr;
+}
+
+/**
+ * persistently stores a variable in pwg cookie
+ * @return boolean true on success
+ * @see pwg_get_cookie_var
+ */
+function pwg_set_cookie_var($var, $value)
+{
+ $_COOKIE['pwg_'.$var] = $value;
+ return
+ setcookie('pwg_'.$var, $value,
+ strtotime('+10 years'), cookie_path());
+}
+
+/**
+ * retrieves the value of a persistent variable in pwg cookie
+ * @return mixed
+ * @see pwg_set_cookie_var
+ */
+function pwg_get_cookie_var($var, $default = null)
+{
+ if (isset($_COOKIE['pwg_'.$var]))
+ {
+ return $_COOKIE['pwg_'.$var];
+ }
+ else
+ {
+ return $default;
+ }
+}
+
+?>