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privacy_image_cache: using another hook that only is used for displaying the page

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This commit is contained in:
Michael Vogel 2012-07-07 20:39:48 +02:00
parent b0dbf4d54c
commit 129fff8fc1
1 changed files with 28 additions and 6 deletions
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34
privacy_image_cache/privacy_image_cache.php
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@ -11,7 +11,8 @@ define("PRIVACY_IMAGE_CACHE_DEFAULT_TIME", 86400); // 1 Day
require_once('include/security.php'); require_once('include/security.php');
function privacy_image_cache_install() { 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('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('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'); register_hook('cron', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_cron');
@ -19,6 +20,7 @@ function privacy_image_cache_install() {
function privacy_image_cache_uninstall() { 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('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('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'); unregister_hook('ping_xmlize', 'addon/privacy_image_cache/privacy_image_cache.php', 'privacy_image_cache_ping_xmlize_hook');
@ -30,6 +32,8 @@ function privacy_image_cache_module() {}
function privacy_image_cache_init() { function privacy_image_cache_init() {
global $a;
if(function_exists('header_remove')) { if(function_exists('header_remove')) {
header_remove('Pragma'); header_remove('Pragma');
header_remove('pragma'); header_remove('pragma');
@ -48,8 +52,18 @@ function privacy_image_cache_init() {
require_once("Photo.php"); require_once("Photo.php");
$img_str = fetch_url($_REQUEST['url'],true); $img_str = fetch_url($_REQUEST['url'],true);
if (substr($img_str, 0, 6) == "GIF89a") {
$mime = "image/gif"; $tempfile = tempnam("", "cache");
file_put_contents($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");
$mime = "image/png";
//} else if (substr($img_str, 0, 6) == "GIF89a") {
} else if ($mime != "image/jpeg") {
$image = @imagecreatefromstring($img_str); $image = @imagecreatefromstring($img_str);
if($image === FALSE) die(); if($image === FALSE) die();
@ -64,7 +78,7 @@ function privacy_image_cache_init() {
dbesc(''), dbesc(''),
intval(imagesy($image)), intval(imagesy($image)),
intval(imagesx($image)), intval(imagesx($image)),
'image/gif', $mime,
dbesc($img_str), dbesc($img_str),
100, 100,
intval(0), intval(0),
@ -81,7 +95,6 @@ function privacy_image_cache_init() {
} }
} }
header("Content-type: $mime"); header("Content-type: $mime");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT"); header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
header("Cache-Control: max-age=" . (3600*24)); header("Cache-Control: max-age=" . (3600*24));
@ -121,8 +134,17 @@ function privacy_image_cache_img_cb($matches) {
* @param App $a * @param App $a
* @param string $o * @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, &$o) { function privacy_image_cache_bbcode_hook(&$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);
} }