add Dutch (Nederlands) and Romanian (Limba română) languages

[jirafeau.git] / lib / functions.php

diff --git a/lib/functions.php b/lib/functions.php
index b26d7b43c96790ed017655120a8e0cec6b40b2a8..2c799f28d4bdd4f10c21e4dd6a4a7a563770be1c 100644 (file)
--- a/lib/functions.php
+++ b/lib/functions.php
@@ -2,7 +2,7 @@
 /*
  *  Jirafeau, your web file repository
  *  Copyright (C) 2008  Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
 /*
  *  Jirafeau, your web file repository
  *  Copyright (C) 2008  Julien "axolotl" BERNARD <axolotl@magieeternelle.org>

- *  Copyright (C) 2012  Jerome Jutteau <j.jutteau@gmail.com>
+ *  Copyright (C) 2015  Jerome Jutteau <j.jutteau@gmail.com>

  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU Affero General Public License as
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU Affero General Public License as


@@ -98,6 +98,9 @@ function is_ssl() {
             return true;
     } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
         return true;
             return true;
     } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
         return true;

+    } elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
+        if ($_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')
+            return true;

     }
     return false;
 }
     }
     return false;
 }


@@ -443,7 +446,7 @@ jirafeau_upload ($file, $one_time_download, $key, $time, $ip, $crypt, $link_name
 }
 
 /**
 }
 
 /**

- * tells if a mime-type is viewable in a browser
+ * Tells if a mime-type is viewable in a browser

  * @param $mime the mime type
  * @returns a boolean telling if a mime type is viewable
  */
  * @param $mime the mime type
  * @returns a boolean telling if a mime type is viewable
  */


@@ -453,7 +456,7 @@ jirafeau_is_viewable ($mime)
     if (!empty ($mime))
     {
         /* Actually, verify if mime-type is an image or a text. */
     if (!empty ($mime))
     {
         /* Actually, verify if mime-type is an image or a text. */

-        $viewable = array ('image', 'text');
+        $viewable = array ('image', 'text', 'video', 'audio');

         $decomposed = explode ('/', $mime);
         return in_array ($decomposed[0], $viewable);
     }
         $decomposed = explode ('/', $mime);
         return in_array ($decomposed[0], $viewable);
     }


@@ -611,7 +614,7 @@ jirafeau_admin_list ($name, $file_hash, $link_hash)
                     continue;
 
                 /* Filter. */
                     continue;
 
                 /* Filter. */

-                if (!empty ($name) && !preg_match ("/$name/i", $l['file_name']))
+                if (!empty ($name) && !preg_match ("/$name/i", htmlspecialchars($l['file_name'])))

                     continue;
                 if (!empty ($file_hash) && $file_hash != $l['md5'])
                     continue;
                     continue;
                 if (!empty ($file_hash) && $file_hash != $l['md5'])
                     continue;


@@ -623,7 +626,7 @@ jirafeau_admin_list ($name, $file_hash, $link_hash)
                 '<form action = "admin.php" method = "post">' .
                 '<input type = "hidden" name = "action" value = "download"/>' .
                 '<input type = "hidden" name = "link" value = "' . $node . '"/>' .
                 '<form action = "admin.php" method = "post">' .
                 '<input type = "hidden" name = "action" value = "download"/>' .
                 '<input type = "hidden" name = "link" value = "' . $node . '"/>' .

-                '<input type = "submit" value = "' . $l['file_name'] . '" />' .
+                '<input type = "submit" value = "' . htmlspecialchars($l['file_name']) . '" />' .

                 '</form>';
                 echo '</td>';
                 echo '<td>' . $l['mime_type'] . '</td>';
                 '</form>';
                 echo '</td>';
                 echo '<td>' . $l['mime_type'] . '</td>';


@@ -841,10 +844,11 @@ jirafeau_async_init ($filename, $type, $one_time, $key, $time, $ip)
   * @param $ref asynchronous upload reference
   * @param $file piece of data
   * @param $code client code for this operation
   * @param $ref asynchronous upload reference
   * @param $file piece of data
   * @param $code client code for this operation

+  * @param $max_file_size maximum allowed file size

   * @return  a string containing a next code to use or the string "Error"
   */
 function
   * @return  a string containing a next code to use or the string "Error"
   */
 function

-jirafeau_async_push ($ref, $data, $code)
+jirafeau_async_push ($ref, $data, $code, $max_file_size)

 {
     /* Get async infos. */
     $a = jirafeau_get_async_ref ($ref);
 {
     /* Get async infos. */
     $a = jirafeau_get_async_ref ($ref);


@@ -858,9 +862,21 @@ jirafeau_async_push ($ref, $data, $code)
     
     $p = s2p ($ref);
 
     
     $p = s2p ($ref);
 

+    /* File path. */
+    $r_path = $data['tmp_name'];
+    $w_path = VAR_ASYNC . $p . $ref . '_data';
+
+    /* Check that file size is not above upload limit. */
+    if ($max_file_size > 0 &&
+        filesize ($r_path) + filesize ($w_path) > $max_file_size * 1024 * 1024)
+    {
+        jirafeau_async_delete ($ref);
+        return "Error";
+    }
+

     /* Concatenate data. */
     /* Concatenate data. */

-    $r = fopen ($data['tmp_name'], 'r');
-    $w = fopen (VAR_ASYNC . $p . $ref . '_data', 'a');
+    $r = fopen ($r_path, 'r');
+    $w = fopen ($w_path, 'a');

     while (!feof ($r))
     {
         if (fwrite ($w, fread ($r, 1024)) === false)
     while (!feof ($r))
     {
         if (fwrite ($w, fread ($r, 1024)) === false)


@@ -873,7 +889,7 @@ jirafeau_async_push ($ref, $data, $code)
     }
     fclose ($r);
     fclose ($w);
     }
     fclose ($r);
     fclose ($w);

-    unlink ($data['tmp_name']);
+    unlink ($r_path);

     
     /* Update async file. */
     $code = jirafeau_gen_random (4);
     
     /* Update async file. */
     $code = jirafeau_gen_random (4);


@@ -891,7 +907,7 @@ jirafeau_async_push ($ref, $data, $code)
   * @param $ref asynchronous upload reference
   * @param $code client code for this operation
   * @param $crypt boolean asking to crypt or not
   * @param $ref asynchronous upload reference
   * @param $code client code for this operation
   * @param $crypt boolean asking to crypt or not

-  * @param $link_name_length link name lenght
+  * @param $link_name_length link name length

   * @return  a string containing the download reference followed by a delete code or the string "Error"
   */
 function
   * @return  a string containing the download reference followed by a delete code or the string "Error"
   */
 function


@@ -1068,3 +1084,97 @@ function jirafeau_challenge_upload_password ($cfg, $password)
     return false;
 }
 
     return false;
 }
 

+/**
+ * Test if visitor's IP is authorized to upload.
+ * @param $ip IP to be challenged
+ * @return true if IP is authorized, false otherwise.
+ */
+function jirafeau_challenge_upload_ip ($cfg, $ip)
+{
+    if (count ($cfg['upload_ip']) == 0)
+        return true;
+    forEach ($cfg['upload_ip'] as $i)
+    {
+        if ($i == $ip)
+            return true;
+        // CIDR test for IPv4 only.
+        if (strpos ($i, '/') !== false)
+        {
+            list ($subnet, $mask) = explode('/', $i);
+            if ((ip2long ($ip) & ~((1 << (32 - $mask)) - 1) ) == ip2long ($subnet))
+                return true;
+        }
+    }
+    return false;
+}
+
+/** Tell if we have some HTTP headers generated by a proxy */
+function has_http_forwarded()
+{
+    if (!empty ($_SERVER['HTTP_X_FORWARDED_FOR']))
+        return true;
+    if (!empty ($_SERVER['http_X_forwarded_for']))
+        return true;
+    return false;
+}
+
+/**
+ * Generate IP list from HTTP headers generated by a proxy
+ * return  array of IP strings
+ */
+function get_ip_list_http_forwarded()
+{
+    $ip_list = array();
+    if (!empty ($_SERVER['HTTP_X_FORWARDED_FOR']))
+    {
+        $l = explode (',', $_SERVER['HTTP_X_FORWARDED_FOR']);
+        foreach ($l as $ip)
+            array_push ($ip_list, preg_replace ('/\s+/', '', $ip));
+    }
+    if (!empty ($_SERVER['http_X_forwarded_for']))
+    {
+        $l = explode (',', $_SERVER['http_X_forwarded_for']);
+        foreach ($l as $ip)
+        {
+            // Separate IP from port
+            $ip = explode (':', $ip)[0];
+            array_push ($ip_list, preg_replace ('/\s+/', '', $ip));
+        }
+    }
+    return $ip_list;
+}
+
+/**
+ * Get the ip address of the client from REMOTE_ADDR
+ * or from HTTP_X_FORWARDED_FOR if behind a proxy
+ * @returns an the client ip address
+ */
+function get_ip_address($cfg) {
+    $remote = $_SERVER['REMOTE_ADDR'];
+    if (count ($cfg['proxy_ip']) == 0 || !has_http_forwarded ())
+        return $remote;
+
+    $ip_list = get_ip_list_http_forwarded ();
+    if (count ($ip_list) == 0)
+        return $remote;
+
+    foreach ($cfg['proxy_ip'] as $proxy_ip)
+    {
+        if ($remote != $proxy_ip)
+            continue;
+        // Take the last IP (the one which has been set by the defined proxy).
+        return end ($ip_list);
+    }
+    return $remote;
+}
+
+/**
+ * Convert hexadecimal string to base64
+ */
+function hex_to_base64($hex)
+{
+    $b = '';
+    foreach (str_split ($hex, 2) as $pair)
+        $b .= chr (hexdec ($pair));
+    return base64_encode ($b);
+}