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Diffstat (limited to 'BSF/include/functions_cookie.inc.php')
| -rw-r--r-- | BSF/include/functions_cookie.inc.php | 115 |
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; + } +} + +?> |