new api for notifications

[friendica.git] / mod / proxy.php

diff --git a/mod/proxy.php b/mod/proxy.php
index d26967dddf2f1e6e21d1749728f213236cbab419..8e2a38925483f2533e81c1f8a9fcd13938f5bdac 100644 (file)
--- a/mod/proxy.php
+++ b/mod/proxy.php
@@ -12,6 +12,7 @@ define("PROXY_SIZE_LARGE", "large");
 require_once('include/security.php');
 require_once("include/Photo.php");
 
+if(! function_exists('proxy_init')) {
 function proxy_init() {
        global $a, $_SERVER;
 
@@ -44,14 +45,15 @@ function proxy_init() {
        $thumb = false;
        $size = 1024;
        $sizetype = "";
+       $basepath = $a->get_basepath();
 
        // If the cache path isn't there, try to create it
-       if (!is_dir($_SERVER["DOCUMENT_ROOT"]."/proxy"))
-               if (is_writable($_SERVER["DOCUMENT_ROOT"]))
-                       mkdir($_SERVER["DOCUMENT_ROOT"]."/proxy");
+       if (!is_dir($basepath."/proxy"))
+               if (is_writable($basepath))
+                       mkdir($basepath."/proxy");
 
        // Checking if caching into a folder in the webroot is activated and working
-       $direct_cache = (is_dir($_SERVER["DOCUMENT_ROOT"]."/proxy") AND is_writable($_SERVER["DOCUMENT_ROOT"]."/proxy"));
+       $direct_cache = (is_dir($basepath."/proxy") AND is_writable($basepath."/proxy"));
 
        // Look for filename in the arguments
        if ((isset($a->argv[1]) OR isset($a->argv[2]) OR isset($a->argv[3])) AND !isset($_REQUEST["url"])) {
@@ -211,9 +213,9 @@ function proxy_init() {
        // advantage: real file access is really fast
        // Otherwise write in cachefile
        if ($valid AND $direct_cache) {
-               file_put_contents($_SERVER["DOCUMENT_ROOT"]."/proxy/".proxy_url($_REQUEST['url'], true), $img_str_orig);
+               file_put_contents($basepath."/proxy/".proxy_url($_REQUEST['url'], true), $img_str_orig);
                if ($sizetype <> '')
-                       file_put_contents($_SERVER["DOCUMENT_ROOT"]."/proxy/".proxy_url($_REQUEST['url'], true).$sizetype, $img_str);
+                       file_put_contents($basepath."/proxy/".proxy_url($_REQUEST['url'], true).$sizetype, $img_str);
        } elseif ($cachefile != '')
                file_put_contents($cachefile, $img_str_orig);
 
@@ -231,12 +233,18 @@ function proxy_init() {
 
        killme();
 }
+}
 
+if(! function_exists('proxy_url')) {
 function proxy_url($url, $writemode = false, $size = "") {
        global $_SERVER;
 
        $a = get_app();
 
+       if (substr($url, 0, strlen('http')) !== 'http') {
+               return($url);
+       }
+
        // Only continue if it isn't a local image and the isn't deactivated
        if (proxy_is_local_image($url)) {
                $url = str_replace(normalise_link($a->get_baseurl())."/", $a->get_baseurl()."/", $url);
@@ -247,7 +255,7 @@ function proxy_url($url, $writemode = false, $size = "") {
                return($url);
 
        // Creating a sub directory to reduce the amount of files in the cache directory
-       $basepath = $_SERVER["DOCUMENT_ROOT"]."/proxy";
+       $basepath = $a->get_basepath()."/proxy";
 
        $path = substr(hash("md5", $url), 0, 2);
 
@@ -289,11 +297,13 @@ function proxy_url($url, $writemode = false, $size = "") {
        else
                return ($proxypath.$size);
 }
+}
 
 /**
  * @param $url string
  * @return boolean
  */
+if(! function_exists('proxy_is_local_image')) {
 function proxy_is_local_image($url) {
        if ($url[0] == '/') return true;
 
@@ -304,7 +314,9 @@ function proxy_is_local_image($url) {
        $url = normalise_link($url);
        return (substr($url, 0, strlen($baseurl)) == $baseurl);
 }
+}
 
+if(! function_exists('proxy_parse_query')) {
 function proxy_parse_query($var) {
         /**
          *  Use this function to parse out the query array element from
@@ -323,7 +335,9 @@ function proxy_parse_query($var) {
         unset($val, $x, $var);
         return $arr;
 }
+}
 
+if(! function_exists('proxy_img_cb')) {
 function proxy_img_cb($matches) {
 
        // if the picture seems to be from another picture cache then take the original source
@@ -337,10 +351,13 @@ function proxy_img_cb($matches) {
 
        return $matches[1].proxy_url(htmlspecialchars_decode($matches[2])).$matches[3];
 }
+}
 
+if(! function_exists('proxy_parse_html')) {
 function proxy_parse_html($html) {
        $a = get_app();
        $html = str_replace(normalise_link($a->get_baseurl())."/", $a->get_baseurl()."/", $html);
 
        return preg_replace_callback("/(<img [^>]*src *= *[\"'])([^\"']+)([\"'][^>]*>)/siU", "proxy_img_cb", $html);
 }
+}