require_once('include/security.php');
function privacy_image_cache_install() {
- register_hook('bbcode', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_bbcode_hook');
+ register_hook('prepare_body', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_prepare_body_hook');
+ // register_hook('bbcode', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_bbcode_hook');
register_hook('display_item', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_display_item_hook');
register_hook('ping_xmlize', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_ping_xmlize_hook');
register_hook('cron', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_cron');
function privacy_image_cache_uninstall() {
+ unregister_hook('prepare_body', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_prepare_body_hook');
unregister_hook('bbcode', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_bbcode_hook');
unregister_hook('display_item', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_display_item_hook');
unregister_hook('ping_xmlize', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_ping_xmlize_hook');
function privacy_image_cache_init() {
+ global $a, $_SERVER;
+
+ if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
+ header('HTTP/1.1 304 Not Modified');
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: '.$_SERVER['HTTP_IF_NONE_MATCH']);
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
+ if(function_exists('header_remove')) {
+ header_remove('Last-Modified');
+ header_remove('Expires');
+ header_remove('Cache-Control');
+ }
+ exit;
+ }
+
+ if ($a->config["system"]["db_log"] != "")
+ $stamp1 = microtime(true);
+
if(function_exists('header_remove')) {
header_remove('Pragma');
header_remove('pragma');
}
$urlhash = 'pic:' . sha1($_REQUEST['url']);
- $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' LIMIT 1", $urlhash );
- if (count($r)) {
- $img_str = $r[0]['data'];
+ // Double encoded url - happens with Diaspora
+ $urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url']));
+
+ $cachefile = get_cachefile(hash("md5", $_REQUEST['url']));
+ if ($cachefile != '') {
+ if (file_exists($cachefile)) {
+ $img_str = file_get_contents($cachefile);
+
+ $mime = image_type_to_mime_type(exif_imagetype($cachefile));
+
+ header("Content-type: $mime");
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: "'.md5($img_str).'"');
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
+
+ echo $img_str;
+
+ if ($a->config["system"]["db_log"] != "") {
+ $stamp2 = microtime(true);
+ $duration = round($stamp2-$stamp1, 3);
+ if ($duration > $a->config["system"]["db_loglimit"])
+ @file_put_contents($a->config["system"]["db_log"], $duration."\t".strlen($img_str)."\t".$_REQUEST['url']."\n", FILE_APPEND);
+ }
+
+ killme();
+ }
+ }
+
+ require_once("Photo.php");
+
+ $r = q("SELECT * FROM `photo` WHERE `resource-id` in ('%s', '%s') LIMIT 1", $urlhash, $urlhash2);
+ if (count($r)) {
+ $img_str = $r[0]['data'];
$mime = $r[0]["desc"];
if ($mime == "") $mime = "image/jpeg";
- }
- else {
- require_once("Photo.php");
- $img_str = fetch_url($_REQUEST['url'],true);
- if (substr($img_str, 0, 6) == "GIF89a") {
- $mime = "image/gif";
+ } else {
+ // It shouldn't happen but it does - spaces in URL
+ $_REQUEST['url'] = str_replace(" ", "+", $_REQUEST['url']);
+
+ $img_str = fetch_url($_REQUEST['url'],true);
+
+ $tempfile = tempnam(get_config("system","temppath"), "cache");
+ file_put_contents($tempfile, $img_str);
+ $mime = image_type_to_mime_type(exif_imagetype($tempfile));
+ unlink($tempfile);
+
+ // If there is an error then return a blank image
+ if ((substr($a->get_curl_code(), 0, 1) == "4") or (!$img_str)) {
+ $img_str = file_get_contents("images/blank.png");
+ $mime = "image/png";
+ $cachefile = ""; // Clear the cachefile so that the dummy isn't stored
+ $img = new Photo($img_str);
+ if($img->is_valid()) {
+ $img->scaleImage(1);
+ $img_str = $img->imageString();
+ }
+ //} else if (substr($img_str, 0, 6) == "GIF89a") {
+ } else if ($mime != "image/jpeg") {
$image = @imagecreatefromstring($img_str);
if($image === FALSE) die();
dbesc(''),
intval(imagesy($image)),
intval(imagesx($image)),
- 'image/gif',
+ $mime,
dbesc($img_str),
100,
intval(0),
$img = new Photo($img_str);
if($img->is_valid()) {
$img->store(0, 0, $urlhash, $_REQUEST['url'], '', 100);
+ //$img->scaleImage(1000); // Test
$img_str = $img->imageString();
}
$mime = "image/jpeg";
}
- }
+ }
+ // Writing in cachefile
+ // and (file_exists($cachefile)) and (exif_imagetype($cachefile) > 0))
+ if ($cachefile != '')
+ file_put_contents($cachefile, $img_str);
- header("Content-type: $mime");
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
- header("Cache-Control: max-age=" . (3600*24));
+ header("Content-type: $mime");
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: "'.md5($img_str).'"');
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
- echo $img_str;
+ echo $img_str;
+
+ if ($a->config["system"]["db_log"] != "") {
+ $stamp2 = microtime(true);
+ $duration = round($stamp2-$stamp1, 3);
+ if ($duration > $a->config["system"]["db_loglimit"])
+ @file_put_contents($a->config["system"]["db_log"], $duration."\t".strlen($img_str)."\t".$_REQUEST['url']."\n", FILE_APPEND);
+ }
- killme();
+ killme();
}
/**
*/
function privacy_image_cache_img_cb($matches) {
// following line changed per bug #431
- if (privacy_image_cache_is_local_image($matches[2])) return $matches[1] . $matches[2] . $matches[3];
- return $matches[1] . get_app()->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($matches[2]))) . $matches[3];
+ if (privacy_image_cache_is_local_image($matches[2]))
+ return $matches[1] . $matches[2] . $matches[3];
+
+ return $matches[1] . get_app()->get_baseurl() . "/privacy_image_cache/?url=" . addslashes(rawurlencode(htmlspecialchars_decode($matches[2]))) . $matches[3];
+}
+
+/**
+ * @param App $a
+ * @param string $o
+ */
+function privacy_image_cache_prepare_body_hook(&$a, &$o) {
+ $o["html"] = preg_replace_callback("/(<img [^>]*src *= *[\"'])([^\"']+)([\"'][^>]*>)/siU", "privacy_image_cache_img_cb", $o["html"]);
}
/**
* @param App $a
* @param string $o
+ * Function disabled because the plugin moved
*/
function privacy_image_cache_bbcode_hook(&$a, &$o) {
- $o = preg_replace_callback("/(<img [^>]*src *= *[\"'])([^\"']+)([\"'][^>]*>)/siU", "privacy_image_cache_img_cb", $o);
+ //$o = preg_replace_callback("/(<img [^>]*src *= *[\"'])([^\"']+)([\"'][^>]*>)/siU", "privacy_image_cache_img_cb", $o);
}
$o["output"]["thumb"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["thumb"])));
if (isset($o["output"]["author-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["author-avatar"]))
$o["output"]["author-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["author-avatar"])));
+ if (isset($o["output"]["owner-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["owner-avatar"]))
+ $o["output"]["owner-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["owner-avatar"])));
}
}
if (isset($_REQUEST['delete_all'])) {
q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%"');
}
-}
\ No newline at end of file
+}