diff options
Diffstat (limited to 'mod/profile/icondirect.php')
| -rw-r--r-- | mod/profile/icondirect.php | 168 |
1 files changed, 60 insertions, 108 deletions
diff --git a/mod/profile/icondirect.php b/mod/profile/icondirect.php index a9aed2eea..5f1599e0d 100644 --- a/mod/profile/icondirect.php +++ b/mod/profile/icondirect.php @@ -1,125 +1,77 @@ <?php /** - * Elgg profile icon + * Elgg profile icon cache/bypass + * * * @package ElggProfile - * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2 - * @author Curverider Ltd <info@elgg.com> - * @copyright Curverider Ltd 2008-2010 - * @link http://elgg.com/ -*/ + */ +// Get DB settings require_once(dirname(dirname(dirname(__FILE__))). '/engine/settings.php'); -/** - * UTF safe str_split. - * This is only used here since we don't have access to the file store code. - * TODO: This is a horrible hack, so clean this up! - */ -function __id_mb_str_split($string, $charset = 'UTF8'){ - if (is_callable('mb_substr')){ - $length = mb_strlen($string); - $array = array(); - - while ($length){ - $array[] = mb_substr($string, 0, 1, $charset); - $string = mb_substr($string, 1, $length, $charset); - $length = mb_strlen($string); - } - - return $array; - } else { - return str_split($string); - } - - return FALSE; -} - global $CONFIG; -$contents = ''; - -if ($mysql_dblink = @mysql_connect($CONFIG->dbhost,$CONFIG->dbuser,$CONFIG->dbpass, true)) { - $username = $_GET['username']; - //$username = preg_replace('/[^A-Za-z0-9\_\-]/i','',$username); - $blacklist = '/[' . - '\x{0080}-\x{009f}' . # iso-8859-1 control chars - '\x{00a0}' . # non-breaking space - '\x{2000}-\x{200f}' . # various whitespace - '\x{2028}-\x{202f}' . # breaks and control chars - '\x{3000}' . # ideographic space - '\x{e000}-\x{f8ff}' . # private use - ']/u'; - if ( - preg_match($blacklist, $username) || - (strpos($username, '/')!==false) || - (strpos($username, '\\')!==false) || - (strpos($username, '"')!==false) || - (strpos($username, '\'')!==false) || - (strpos($username, '*')!==false) || - (strpos($username, '&')!==false) || - (strpos($username, ' ')!==false) - ) exit; - - $userarray = __id_mb_str_split($username); - - $matrix = ''; - $length = 5; - if (sizeof($userarray) < $length) $length = sizeof($userarray); - for ($n = 0; $n < $length; $n++) { - $matrix .= $userarray[$n] . "/"; - } - - // Get the size - $size = strtolower($_GET['size']); - if (!in_array($size,array('large','medium','small','tiny','master','topbar'))) - $size = "medium"; - - // Try and get the icon - if (@mysql_select_db($CONFIG->dbname,$mysql_dblink)) { - // get dataroot and simplecache_enabled in one select for efficiency - if ($result = mysql_query("select name, value from {$CONFIG->dbprefix}datalists where name in ('dataroot','simplecache_enabled')",$mysql_dblink)) { - $simplecache_enabled = true; + +// won't be able to serve anything if no joindate or guid +if (!isset($_GET['joindate']) || !isset($_GET['guid'])) { + header("HTTP/1.1 404 Not Found"); + exit; +} + +$join_date = (int)$_GET['joindate']; +$last_cache = (int)$_GET['lastcache']; // icontime +$guid = (int)$_GET['guid']; + +// If is the same ETag, content didn't changed. +$etag = $last_cache . $guid; +if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) == "\"$etag\"") { + header("HTTP/1.1 304 Not Modified"); + exit; +} + +$size = strtolower($_GET['size']); +if (!in_array($size, array('large', 'medium', 'small', 'tiny', 'master', 'topbar'))) { + $size = "medium"; +} + +$mysql_dblink = @mysql_connect($CONFIG->dbhost, $CONFIG->dbuser, $CONFIG->dbpass, true); +if ($mysql_dblink) { + if (@mysql_select_db($CONFIG->dbname, $mysql_dblink)) { + $result = mysql_query("select name, value from {$CONFIG->dbprefix}datalists where name='dataroot'", $mysql_dblink); + if ($result) { $row = mysql_fetch_object($result); while ($row) { if ($row->name == 'dataroot') { - $dataroot = $row->value; - } else if ($row->name == 'simplecache_enabled') { - $simplecache_enabled = $row->value; + $data_root = $row->value; } $row = mysql_fetch_object($result); } } + + @mysql_close($mysql_dblink); + + if (isset($data_root)) { + + // this depends on ElggDiskFilestore::makeFileMatrix() + $user_path = date('Y/m/d/', $join_date) . $guid; + + $filename = "$data_root$user_path/profile/{$guid}{$size}.jpg"; + $filesize = @filesize($filename); + if ($filesize) { + header("Content-type: image/jpeg"); + header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', strtotime("+6 months")), true); + header("Pragma: public"); + header("Cache-Control: public"); + header("Content-Length: $filesize"); + header("ETag: \"$etag\""); + readfile($filename); + exit; + } + } } + } - //@todo forcing through the framework to ensure the matrix - // is created the same way. - //if ($simplecache_enabled) { - if (false) { - $filename = $dataroot . $matrix . "{$username}/profile/" . $username . $size . ".jpg"; - $contents = @file_get_contents($filename); - if (empty($contents)) { - global $viewinput; - $viewinput['view'] = 'icon/user/default/'.$size; - ob_start(); - include(dirname(dirname(dirname(__FILE__))).'/simplecache/view.php'); - $loc = ob_get_clean(); - header('Location: ' . $loc); - exit; - //$contents = @file_get_contents(dirname(__FILE__) . "/graphics/default{$size}.jpg"); - } else { - header("Content-type: image/jpeg"); - header('Expires: ' . date('r',time() + 864000)); - header("Pragma: public"); - header("Cache-Control: public"); - header("Content-Length: " . strlen($contents)); - $splitString = str_split($contents, 1024); - foreach($splitString as $chunk) - echo $chunk; - } - } else { - mysql_close($mysql_dblink); - require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php"); - set_input('username',$username); - set_input('size',$size); - require_once(dirname(__FILE__).'/icon.php'); - }
\ No newline at end of file + +// something went wrong so load engine and try to forward to default icon +require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php"); +elgg_log("Profile icon direct failed.", "WARNING"); +forward("_graphics/icons/user/default{$size}.gif"); |