X-Git-Url: https://git.p6c8.net/jirafeau_project.git/blobdiff_plain/f9f84c1e4389dc23e77b51dadd53410377128cfc..0a5462c3311b4541a858b8e719ae8548877c7a62:/file.php?ds=inline

diff --git a/file.php b/file.php
index d01bee6..d632beb 100644
--- a/file.php
+++ b/file.php
@@ -24,88 +24,145 @@ require (JIRAFEAU_ROOT . 'lib/config.php');
 require (JIRAFEAU_ROOT . 'lib/settings.php');
 require (JIRAFEAU_ROOT . 'lib/functions.php');
 
-if (isset ($_GET['h']) && !empty ($_GET['h']))
+if (!isset ($_GET['h']) || empty ($_GET['h']))
 {
-    $link_name = $_GET['h'];
+    header ('Location: ' . $cfg['web_root']);
+    exit;
+}
 
-    $delete_code = '';
-    if (isset ($_GET['d']) && !empty ($_GET['d']))
-        $delete_code = $_GET['d'];
+/* Operations may take a long time.
+ * Be sure PHP's safe mode is off.
+ */
+set_time_limit(0);
 
-    if (!preg_match ('/[0-9a-f]{32}$/', $link_name))
-    {
-        require (JIRAFEAU_ROOT.'lib/template/header.php');
-        echo '<div class="error"><p>' . t('Sorry, the requested file is not found') . '</p></div>';
-        require (JIRAFEAU_ROOT.'lib/template/footer.php');
-        exit;
-    }
+$link_name = $_GET['h'];
 
-    $link = jirafeau_get_link ($link_name);
-    if (count ($link) == 0)
-    {
-        require (JIRAFEAU_ROOT.'lib/template/header.php');
-        echo '<div class="error"><p>' . t('Sorry, the requested file is not found') .
-        '</p></div>';
-        require (JIRAFEAU_ROOT.'lib/template/footer.php');
-        exit;
-    }
-    $p = s2p ($link['md5']);
-    if (!file_exists (VAR_FILES . $p . $link['md5']))
-    {
-        jirafeau_delete_link ($link_name);
-        require (JIRAFEAU_ROOT.'lib/template/header.php');
-        echo '<div class="error"><p>'.t('File not available.').
-        '</p></div>';
-        require (JIRAFEAU_ROOT.'lib/template/footer.php');
-        exit;
-    }
+if (!preg_match ('/[0-9a-zA-Z_-]{22}$/', $link_name))
+{
+    require (JIRAFEAU_ROOT.'lib/template/header.php');
+    echo '<div class="error"><p>' . t('Sorry, the requested file is not found') . '</p></div>';
+    require (JIRAFEAU_ROOT.'lib/template/footer.php');
+    exit;
+}
 
-    if (!empty ($delete_code) && $delete_code == $link['link_code'])
-    {
-        jirafeau_delete_link ($link_name);
-        require (JIRAFEAU_ROOT.'lib/template/header.php');
-        echo '<div class="message"><p>'.t('File has been deleted.').
-         '</p></div>';
-        require (JIRAFEAU_ROOT.'lib/template/footer.php');
-        exit;
-    }
+$link = jirafeau_get_link ($link_name);
+if (count ($link) == 0)
+{
+    require (JIRAFEAU_ROOT.'lib/template/header.php');
+    echo '<div class="error"><p>' . t('Sorry, the requested file is not found') .
+    '</p></div>';
+    require (JIRAFEAU_ROOT.'lib/template/footer.php');
+    exit;
+}
+
+$delete_code = '';
+if (isset ($_GET['d']) && !empty ($_GET['d']))
+    $delete_code = $_GET['d'];
+
+$crypt_key = '';
+if (isset ($_GET['k']) && !empty ($_GET['k']))
+    $crypt_key = $_GET['k'];
+
+$button_download = false;
+if (isset ($_GET['bd']) && !empty ($_GET['bd']))
+    $button_download = true;
 
-    if ($link['time'] != JIRAFEAU_INFINITY && time () > $link['time'])
+$button_preview = false;
+if (isset ($_GET['bp']) && !empty ($_GET['bp']))
+    $button_preview = true;
+
+$p = s2p ($link['md5']);
+if (!file_exists (VAR_FILES . $p . $link['md5']))
+{
+    jirafeau_delete_link ($link_name);
+    require (JIRAFEAU_ROOT.'lib/template/header.php');
+    echo '<div class="error"><p>'.t('File not available.').
+    '</p></div>';
+    require (JIRAFEAU_ROOT.'lib/template/footer.php');
+    exit;
+}
+
+if (!empty ($delete_code) && $delete_code == $link['link_code'])
+{
+    jirafeau_delete_link ($link_name);
+    require (JIRAFEAU_ROOT.'lib/template/header.php');
+    echo '<div class="message"><p>'.t('File has been deleted.').
+     '</p></div>';
+    require (JIRAFEAU_ROOT.'lib/template/footer.php');
+    exit;
+}
+
+if ($link['time'] != JIRAFEAU_INFINITY && time () > $link['time'])
+{
+    jirafeau_delete_link ($link_name);
+    require (JIRAFEAU_ROOT.'lib/template/header.php');
+    echo '<div class="error"><p>'.
+    t('The time limit of this file has expired.') . ' ' .
+    t('File has been deleted.') .
+    '</p></div>';
+    require (JIRAFEAU_ROOT . 'lib/template/footer.php');
+    exit;
+}
+
+if (empty ($crypt_key) && $link['crypted'])
+{
+    require (JIRAFEAU_ROOT.'lib/template/header.php');
+    echo '<div class="error"><p>' . t('Sorry, the requested file is not found') .
+    '</p></div>';
+    require (JIRAFEAU_ROOT.'lib/template/footer.php');
+    exit;
+}
+
+$password_challenged = false;
+if (!empty ($link['key']))
+{
+    if (!isset ($_POST['key']))
     {
-        jirafeau_delete_link ($link_name);
         require (JIRAFEAU_ROOT.'lib/template/header.php');
-        echo '<div class="error"><p>'.
-        t('The time limit of this file has expired.') . ' ' .
-        t('File has been deleted.') .
-        '</p></div>';
-        require (JIRAFEAU_ROOT . 'lib/template/footer.php');
+        echo '<div>' .
+             '<form action = "';
+        echo $cfg['web_root'] . '/file.php';
+        echo '" ' .
+             'method = "post" id = "submit">'; ?>
+             <input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
+        echo '<fieldset>' .
+             '<legend>' . t('Password protection') .
+             '</legend><table><tr><td>' .
+             t('Give the password of this file') . ' : ' .
+             '<input type = "password" name = "key" />' .
+             '</td></tr>' .
+             '<tr><td>' .
+             t('By using our services, you accept of our'). ' <a href="' . $cfg['web_root'] . '/tos.php' . '">' . t('Term Of Service') . '</a>' .
+             '</td></tr>' .
+             '<tr><td>';
+            ?><input type="submit" id = "submit_download"  value="<?php echo t('Download'); ?>"
+            onclick="document.getElementById('submit').action='
+<?php
+        echo $cfg['web_root'] . '/file.php?h=' . $link_name . '&amp;bd=1';
+        if (!empty($crypt_key))
+            echo '&amp;k=' . urlencode($crypt_key);
+?>';
+        document.getElementById('submit_download').submit ();"/><?php
+        if ($cfg['download_page'] && $cfg['preview'])
+        {
+            ?><input type="submit" id = "submit_preview"  value="<?php echo t('Preview'); ?>"
+            onclick="document.getElementById('submit').action='
+<?php
+        echo $cfg['web_root'] . '/file.php?h=' . $link_name . '&amp;bp=1';
+        if (!empty($crypt_key))
+            echo '&amp;k=' . urlencode($crypt_key);
+?>';
+        document.getElementById('submit_preview').submit ();"/><?php
+        }
+        echo '</td></tr></table></fieldset></form></div>';
+        require (JIRAFEAU_ROOT.'lib/template/footer.php');
         exit;
     }
-
-    if (!empty ($link['key']))
+    else
     {
-        if (!isset ($_POST['key']))
-        {
-        require (JIRAFEAU_ROOT.'lib/template/header.php');
-        ?><div id = "upload">
-            <form action =
-            "<?php echo $_SERVER['REQUEST_URI']; ?>" method =
-            "post"> <input type = "hidden" name = "jirafeau" value =
-            "<?php echo JIRAFEAU_VERSION; ?>" /><fieldset>
-            <legend><?php echo t('Password protection');
-        ?></legend> <table> <tr>
-            <td><?php echo t('Give the password of this file') . ' : ';
-        ?><input type = "password" name =
-            "key" /></td> </tr> <tr> <td><input type =
-            "submit" value =
-            "<?php echo t('Download'); ?>"
-            /></td> </tr> </table> </fieldset> </form> </div>
-            <?php require (JIRAFEAU_ROOT.'lib/template/footer.php');
-        exit;
-        }
-        else
-        {
-        if ($link['key'] != md5 ($_POST['key']))
+        if ($link['key'] == md5 ($_POST['key']))
+            $password_challenged = true;
+	else
         {
             header ("Access denied");
             require (JIRAFEAU_ROOT.'lib/template/header.php');
@@ -114,26 +171,96 @@ if (isset ($_GET['h']) && !empty ($_GET['h']))
             require (JIRAFEAU_ROOT.'lib/template/footer.php');
             exit;
         }
-        }
     }
+}
 
-    header ('Content-Length: ' . $link['file_size']);
+if ($cfg['download_page'] && !$password_challenged && !$button_download && !$button_preview)
+{
+        require (JIRAFEAU_ROOT.'lib/template/header.php');
+        echo '<div>' .
+             '<form action = "';
+        echo $cfg['web_root'] . '/file.php';
+        echo '" ' .
+             'method = "post" id = "submit">'; ?>
+             <input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
+        echo '<fieldset><legend>' . $link['file_name'] . '</legend><table>' .
+             '<tr><td>' .
+             t('You are about to download') . ' "' . $link['file_name'] . '" (' . jirafeau_human_size($link['file_size']) . ')' .
+             '</td></tr>' .
+             '<tr><td>' .
+             t('By using our services, you accept of our'). ' <a href="' . $cfg['web_root'] . '/tos.php' . '">' . t('Term Of Service') . '</a>';
+            ?><input type="submit" id = "submit_download"  value="<?php echo t('Download'); ?>"
+            onclick="document.getElementById('submit').action='
+<?php
+        echo $cfg['web_root'] . '/file.php?h=' . $link_name . '&amp;bd=1';
+        if (!empty($crypt_key))
+            echo '&amp;k=' . urlencode($crypt_key);
+?>';
+        document.getElementById('submit_download').submit ();"/><?php
+
+        if ($cfg['download_page'] && $cfg['preview'])
+        {
+            ?><input type="submit" id = "submit_preview"  value="<?php echo t('Preview'); ?>"
+            onclick="document.getElementById('submit').action='
+<?php
+        echo $cfg['web_root'] . '/file.php?h=' . $link_name . '&amp;bp=1';
+        if (!empty($crypt_key))
+            echo '&amp;k=' . urlencode($crypt_key);
+?>';
+        document.getElementById('submit_preview').submit ();"/><?php
+        }
+        echo '</td></tr>';
+        echo '</table></fieldset></form></div>';
+        require (JIRAFEAU_ROOT.'lib/template/footer.php');
+        exit;
+}
+
+header ('HTTP/1.0 200 OK');
+header ('Content-Length: ' . $link['file_size']);
+if (!jirafeau_is_viewable ($link['mime_type']) || !$cfg['preview'] || $button_download)
+    header ('Content-Disposition: attachment; filename="' .
+        $link['file_name'] . '"');
+else
     header ('Content-Type: ' . $link['mime_type']);
-    if (!jirafeau_is_viewable ($link['mime_type']))
+
+/* Read encrypted file. */
+if ($link['crypted'])
+{
+    /* Extract key and iv. */
+    $ex = explode (".", $crypt_key);
+    $key = $ex[0];
+    $iv = base64_decode($ex[1]);
+    error_log ("crypt_key: " . $crypt_key . " iv: " . $v . " key: ". $key . "\n", 3, "debug.log");
+    /* Init module */
+    $m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
+    mcrypt_generic_init($m, $key, $iv);
+    /* Decrypt file. */
+    $r = fopen (VAR_FILES . $p . $link['md5'], 'r');
+    while (!feof ($r))
     {
-        header ('Content-Disposition: attachment; filename="' .
-            $link['file_name'] . '"');
+        $dec = mdecrypt_generic($m, fread ($r, 1024));
+        print $dec;
+        ob_flush();
     }
-    readfile (VAR_FILES . $p . $link['md5']);
-
-    if ($link['onetime'] == 'O')
-        jirafeau_delete_link ($link_name);
-    exit;
+    fclose ($r);
+    /* Cleanup. */
+    mcrypt_generic_deinit($m);
+    mcrypt_module_close($m);
 }
+/* Read file. */
 else
 {
-    header ('Location: '.$cfg['web_root']);
-    exit;
+    $r = fopen (VAR_FILES . $p . $link['md5'], 'r');
+    while (!feof ($r))
+    {
+        print fread ($r, 1024);
+        ob_flush();
+    }
+    fclose ($r);
 }
 
+if ($link['onetime'] == 'O')
+    jirafeau_delete_link ($link_name);
+exit;
+
 ?>