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-rw-r--r--mod/profile/icondirect.php180
1 files changed, 77 insertions, 103 deletions
diff --git a/mod/profile/icondirect.php b/mod/profile/icondirect.php
index cf67fae04..5f1599e0d 100644
--- a/mod/profile/icondirect.php
+++ b/mod/profile/icondirect.php
@@ -1,103 +1,77 @@
-<?php
-
- /**
- * Elgg profile icon
- *
- * @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 2008-2009
- * @link http://elgg.com/
- */
-
- // Get DB settings, connect
- require_once(dirname(dirname(dirname(__FILE__))). '/engine/settings.php');
-
- global $CONFIG;
-
- $contents = '';
-
- if ($mysql_dblink = @mysql_connect($CONFIG->dbhost,$CONFIG->dbuser,$CONFIG->dbpass)) {
-
-
- $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;
-
- $userarray = str_split($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;
- $row = mysql_fetch_object($result);
- while ($row) {
- if ($row->name == 'dataroot') {
- $dataroot = $row->value;
- } else if ($row->name == 'simplecache_enabled') {
- $simplecache_enabled = $row->value;
- }
- $row = mysql_fetch_object($result);
- }
- }
- }
- }
- if ($simplecache_enabled) {
- $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));
- echo $contents;
- }
- } else {
- mysql_close($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
+<?php
+/**
+ * Elgg profile icon cache/bypass
+ *
+ *
+ * @package ElggProfile
+ */
+
+// Get DB settings
+require_once(dirname(dirname(dirname(__FILE__))). '/engine/settings.php');
+
+global $CONFIG;
+
+// won't be able to serve anything if no joindate or guid
+if (!isset($_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') {
+ $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($filename);
+ exit;
+ }
+ }
+ }
+
+}
+
+// something went wrong so load engine and try to forward to default icon
+require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
+elgg_log("Profile icon direct failed.", "WARNING");
+forward("_graphics/icons/user/default{$size}.gif");