Events: Now with guid.

[friendica.git] / mod / proxy.php

diff --git a/mod/proxy.php b/mod/proxy.php
index d82d334cec360b8d4e79ceabe601a9fbc4408fda..abcaf4912798830546409ef6d16876bea9f3db96 100644 (file)
--- a/mod/proxy.php
+++ b/mod/proxy.php
@@ -3,6 +3,12 @@
 
 define("PROXY_DEFAULT_TIME", 86400); // 1 Day
 
+define("PROXY_SIZE_MICRO", "micro");
+define("PROXY_SIZE_THUMB", "thumb");
+define("PROXY_SIZE_SMALL", "small");
+define("PROXY_SIZE_MEDIUM", "medium");
+define("PROXY_SIZE_LARGE", "large");
+
 require_once('include/security.php');
 require_once("include/Photo.php");
 
@@ -37,14 +43,16 @@ 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"])) {
@@ -59,14 +67,27 @@ function proxy_init() {
                        $size = 200;
 
                // thumb, small, medium and large.
-               if (substr($url, -6) == ":thumb")
-                       $size = 150;
-               if (substr($url, -6) == ":small")
-                       $size = 340;
-               if (substr($url, -7) == ":medium")
+               if (substr($url, -6) == ":micro") {
+                       $size = 48;
+                       $sizetype = ":micro";
+                       $url = substr($url, 0, -6);
+               } elseif (substr($url, -6) == ":thumb") {
+                       $size = 80;
+                       $sizetype = ":thumb";
+                       $url = substr($url, 0, -6);
+               } elseif (substr($url, -6) == ":small") {
+                       $size = 175;
+                       $url = substr($url, 0, -6);
+                       $sizetype = ":small";
+               } elseif (substr($url, -7) == ":medium") {
                        $size = 600;
-               if (substr($url, -6) == ":large")
+                       $url = substr($url, 0, -7);
+                       $sizetype = ":medium";
+               } elseif (substr($url, -6) == ":large") {
                        $size = 1024;
+                       $url = substr($url, 0, -6);
+                       $sizetype = ":large";
+               }
 
                $pos = strrpos($url, "=.");
                if ($pos)
@@ -176,6 +197,8 @@ function proxy_init() {
                }
        }
 
+       $img_str_orig = $img_str;
+
        // reduce quality - if it isn't a GIF
        if ($mime != "image/gif") {
                $img = new Photo($img_str, $mime);
@@ -188,10 +211,12 @@ function proxy_init() {
        // If there is a real existing directory then put the cache file there
        // advantage: real file access is really fast
        // Otherwise write in cachefile
-       if ($valid AND $direct_cache)
-               file_put_contents($_SERVER["DOCUMENT_ROOT"]."/proxy/".proxy_url($_REQUEST['url'], true), $img_str);
-       elseif ($cachefile != '')
-               file_put_contents($cachefile, $img_str);
+       if ($valid AND $direct_cache) {
+               file_put_contents($basepath."/proxy/".proxy_url($_REQUEST['url'], true), $img_str_orig);
+               if ($sizetype <> '')
+                       file_put_contents($basepath."/proxy/".proxy_url($_REQUEST['url'], true).$sizetype, $img_str);
+       } elseif ($cachefile != '')
+               file_put_contents($cachefile, $img_str_orig);
 
        header("Content-type: $mime");
 
@@ -208,11 +233,15 @@ function proxy_init() {
        killme();
 }
 
-function proxy_url($url, $writemode = false) {
+function proxy_url($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()."/", $url);
@@ -223,7 +252,7 @@ function proxy_url($url, $writemode = false) {
                return($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);
 
@@ -251,6 +280,9 @@ function proxy_url($url, $writemode = false) {
 
        $proxypath = $a->get_baseurl()."/proxy/".$path;
 
+       if ($size != "")
+               $size = ":".$size;
+
        // Too long files aren't supported by Apache
        // Writemode in combination with long files shouldn't be possible
        if ((strlen($proxypath) > 250) AND $writemode)
@@ -260,7 +292,7 @@ function proxy_url($url, $writemode = false) {
        elseif ($writemode)
                return ($path);
        else
-               return ($proxypath);
+               return ($proxypath.$size);
 }
 
 /**