/*
* Jirafeau, your web file repository
* Copyright (C) 2008 Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
- * Copyright (C) 2015 Jerome Jutteau <j.jutteau@gmail.com>
+ * Copyright (C) 2015 Jerome Jutteau <jerome@jutteau.fr>
* Copyright (C) 2015 Nicola Spanti (RyDroid) <dev@nicola-spanti.info>
*
* This program is free software: you can redistribute it and/or modify
*/
/**
- * Transform a string in a path by seperating each letters by a '/'.
+ * Transform a string in a path by separating each letters by a '/'.
* @return path finishing with a '/'
*/
function s2p($s)
{
+ $block_size = 8;
$p = '';
for ($i = 0; $i < strlen($s); $i++) {
- $p .= $s{$i} . '/';
+ $p .= $s[$i];
+ if (($i + 1) % $block_size == 0) {
+ $p .= '/';
+ }
+ }
+ if (strlen($s) % $block_size != 0) {
+ $p .= '/';
}
return $p;
}
# Convert long hex string to bin.
$size = strlen($num);
for ($i = 0; $i < $size; $i++) {
- $b .= $hex2bin{hexdec($num{$i})};
+ $b .= $hex2bin[hexdec($num[$i])];
}
# Convert long bin to base 64.
$size *= 4;
for ($i = $size - 6; $i >= 0; $i -= 6) {
- $o = $m{bindec(substr($b, $i, 6))} . $o;
+ $o = $m[bindec(substr($b, $i, 6))] . $o;
}
# Some few bits remaining ?
if ($i < 0 && $i > -6) {
- $o = $m{bindec(substr($b, 0, $i + 6))} . $o;
+ $o = $m[bindec(substr($b, 0, $i + 6))] . $o;
}
return $o;
}
}
}
-function jirafeau_clean_rm_file($md5)
+function jirafeau_clean_rm_file($hash)
{
- $p = s2p("$md5");
- $f = VAR_FILES . $p . $md5;
+ $p = s2p("$hash");
+ $f = VAR_FILES . $p . $hash;
if (file_exists($f) && is_file($f)) {
unlink($f);
}
switch (strtoupper($modifier)) {
case 'P':
$bytes *= 1024;
+ // no break
case 'T':
$bytes *= 1024;
+ // no break
case 'G':
$bytes *= 1024;
+ // no break
case 'M':
$bytes *= 1024;
+ // no break
case 'K':
$bytes *= 1024;
}
*/
function jirafeau_get_max_upload_size_bytes()
{
- return min(jirafeau_ini_to_bytes(ini_get('post_max_size')),
- jirafeau_ini_to_bytes(ini_get('upload_max_filesize')));
+ return min(
+ jirafeau_ini_to_bytes(ini_get('post_max_size')),
+ jirafeau_ini_to_bytes(ini_get('upload_max_filesize'))
+ );
}
/**
*/
function jirafeau_get_max_upload_size()
{
- return jirafeau_human_size(
- min(jirafeau_ini_to_bytes(ini_get('post_max_size')),
- jirafeau_ini_to_bytes(ini_get('upload_max_filesize'))));
+ return jirafeau_human_size(jirafeau_get_max_upload_size_bytes());
+}
+
+/**
+ * get the maximal upload size for a data chunk in async uploads
+ * @param max_upload_chunk_size_bytes
+ */
+function jirafeau_get_max_upload_chunk_size_bytes($max_upload_chunk_size_bytes = 0)
+{
+ if ($max_upload_chunk_size_bytes == 0) {
+ $size = jirafeau_get_max_upload_size_bytes();
+ // Jirafeau must choose an arbitrary number as PHP config does not give any limit nor $max_upload_chunk_size_bytes
+ if ($size == 0) {
+ return 10000000; // 10MB
+ }
+ return $size;
+ }
+
+ $size = min(
+ jirafeau_get_max_upload_size_bytes(),
+ $max_upload_chunk_size_bytes
+ );
+ if ($size == 0) {
+ return $max_upload_chunk_size_bytes;
+ }
+ return $size;
}
/**
jirafeau_clean_rm_link($link);
- $md5 = $l['md5'];
- $p = s2p("$md5");
+ $hash = $l['hash'];
+ $p = s2p("$hash");
$counter = 1;
- if (file_exists(VAR_FILES . $p . $md5. '_count')) {
- $content = file(VAR_FILES . $p . $md5. '_count');
+ if (file_exists(VAR_FILES . $p . $hash. '_count')) {
+ $content = file(VAR_FILES . $p . $hash. '_count');
$counter = trim($content[0]);
}
$counter--;
if ($counter >= 1) {
- $handle = fopen(VAR_FILES . $p . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
}
if ($counter == 0) {
- jirafeau_clean_rm_file($md5);
+ jirafeau_clean_rm_file($hash);
}
}
/**
* Delete a file and it's links.
*/
-function jirafeau_delete_file($md5)
+function jirafeau_delete_file($hash)
{
$count = 0;
/* Get all links files. */
if (!count($l)) {
continue;
}
- if ($l['md5'] == $md5) {
+ if ($l['hash'] == $hash) {
$count++;
jirafeau_delete_link($node);
}
}
}
}
- jirafeau_clean_rm_file($md5);
+ jirafeau_clean_rm_file($hash);
return $count;
}
+
+/** hash file's content
+ * @param $method hash method, see 'file_hash' option. Valid methods are 'md5', 'md5_outside' or 'random'
+ * @param $file_path file to hash
+ * @returns hash string
+ */
+function jirafeau_hash_file($method, $file_path)
+{
+ switch ($method) {
+ case 'md5_outside':
+ return jirafeau_md5_outside($file_path);
+ case 'md5':
+ return md5_file($file_path);
+ case 'random':
+ return jirafeau_gen_random(32);
+ }
+ return md5_file($file_path);
+}
+
+/** hash part of file: start, end and size.
+ * This is a partial file hash, faster but weaker.
+ * @param $file_path file to hash
+ * @returns hash string
+ */
+function jirafeau_md5_outside($file_path)
+{
+ $out = false;
+ $handle = fopen($file_path, "r");
+ if ($handle === false) {
+ return false;
+ }
+ $size = filesize($file_path);
+ if ($size === false) {
+ goto err;
+ }
+ $first = fread($handle, 64);
+ if ($first === false) {
+ goto err;
+ }
+ if (fseek($handle, $size < 64 ? 0 : $size - 64) == -1) {
+ goto err;
+ }
+ $last = fread($handle, 64);
+ if ($last === false) {
+ goto err;
+ }
+ $out = md5($first . $last . $size);
+ err:
+ fclose($handle);
+ return $out;
+}
+
/**
* handles an uploaded file
* @param $file the file struct given by $_FILE[]
* 'link' => the link name of the uploaded file
* 'delete_link' => the link code to delete file
*/
-function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length)
+function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method)
{
if (empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
return (array(
}
}
- /* file informations */
- $md5 = md5_file($file['tmp_name']);
+ /* file information */
+ $hash = jirafeau_hash_file($file_hash_method, $file['tmp_name']);
$name = str_replace(NL, '', trim($file['name']));
$mime_type = $file['type'];
$size = $file['size'];
/* does file already exist ? */
$rc = false;
- $p = s2p("$md5");
- if (file_exists(VAR_FILES . $p . $md5)) {
+ $p = s2p("$hash");
+ if (file_exists(VAR_FILES . $p . $hash)) {
$rc = unlink($file['tmp_name']);
} elseif ((file_exists(VAR_FILES . $p) || @mkdir(VAR_FILES . $p, 0755, true))
- && move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $md5)) {
+ && move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $hash)) {
$rc = true;
}
if (!$rc) {
/* Increment or create count file. */
$counter = 0;
- if (file_exists(VAR_FILES . $p . $md5 . '_count')) {
- $content = file(VAR_FILES . $p . $md5. '_count');
+ if (file_exists(VAR_FILES . $p . $hash . '_count')) {
+ $content = file(VAR_FILES . $p . $hash. '_count');
$counter = trim($content[0]);
}
$counter++;
- $handle = fopen(VAR_FILES . $p . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
/* Create delete code. */
$delete_link_code = jirafeau_gen_random(5);
- /* md5 password or empty. */
+ /* hash password or empty. */
$password = '';
if (!empty($key)) {
$password = md5($key);
}
/* create link file */
- $link_tmp_name = VAR_LINKS . $md5 . rand(0, 10000) . '.tmp';
+ $link_tmp_name = VAR_LINKS . $hash . rand(0, 10000) . '.tmp';
$handle = fopen($link_tmp_name, 'w');
- fwrite($handle,
- $name . NL. $mime_type . NL. $size . NL. $password . NL. $time .
- NL . $md5. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
- NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O'));
+ fwrite(
+ $handle,
+ $name . NL. $mime_type . NL. $size . NL. $password . NL. $time .
+ NL . $hash. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
+ NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O')
+ );
fclose($handle);
- $md5_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
- $l = s2p("$md5_link");
+ $hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
+ $l = s2p("$hash_link");
if (!@mkdir(VAR_LINKS . $l, 0755, true) ||
- !rename($link_tmp_name, VAR_LINKS . $l . $md5_link)) {
+ !rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
if (file_exists($link_tmp_name)) {
unlink($link_tmp_name);
}
$counter--;
if ($counter >= 1) {
- $handle = fopen(VAR_FILES . $p . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
} else {
- jirafeau_clean_rm_file($md5_link);
+ jirafeau_clean_rm_file($hash_link);
}
return array(
'error' =>
'delete_link' => '');
}
return array( 'error' => $noerr,
- 'link' => $md5_link,
+ 'link' => $hash_link,
'delete_link' => $delete_link_code,
'crypt_key' => $crypt_key);
}
function jirafeau_is_viewable($mime)
{
if (!empty($mime)) {
- /* Actually, verify if mime-type is an image or a text. */
- $viewable = array('image', 'text', 'video', 'audio');
+ $viewable = array('image', 'video', 'audio');
$decomposed = explode('/', $mime);
- return in_array($decomposed[0], $viewable);
+ if (in_array($decomposed[0], $viewable) && strpos($mime, 'image/svg+xml') === false) {
+ return true;
+ }
+ $viewable = array('text/plain');
+ if (in_array($mime, $viewable)) {
+ return true;
+ }
}
return false;
}
function check_errors($cfg)
{
- if (file_exists(JIRAFEAU_ROOT . 'install.php')
- && !($cfg['installation_done'] === true)) {
- header('Location: install.php');
- exit;
+ if (!($cfg['installation_done'] === true)) {
+ if (file_exists(JIRAFEAU_ROOT . 'install.php')) {
+ header('Location: install.php');
+ exit;
+ } else {
+ add_error(t('INSTALL_FILE_NOT_FOUND_TITLE'), t('INSTALL_FILE_NOT_FOUND_DESC'));
+ }
}
- /* check if the destination dirs are writable */
- $writable = is_writable(VAR_FILES) && is_writable(VAR_LINKS);
-
- /* Checking for errors. */
if (!is_writable(VAR_FILES)) {
- add_error(t('The file directory is not writable!'), VAR_FILES);
+ add_error(t('FILE_DIR_W'), VAR_FILES);
}
if (!is_writable(VAR_LINKS)) {
- add_error(t('The link directory is not writable!'), VAR_LINKS);
+ add_error(t('LINK_DIR_W'), VAR_LINKS);
}
if (!is_writable(VAR_ASYNC)) {
add_error(t('ASYNC_DIR_W'), VAR_ASYNC);
}
+
+ if ($cfg['enable_crypt'] && $cfg['litespeed_workaround']) {
+ add_error(t('INCOMPATIBLE_OPTIONS_W'), 'enable_crypt=true<br>litespeed_workaround=true');
+ }
+
+ if ($cfg['one_time_download'] && $cfg['litespeed_workaround']) {
+ add_error(t('INCOMPATIBLE_OPTIONS_W'), 'one_time_download=true<br>litespeed_workaround=true');
+ }
}
/**
- * Read link informations
- * @return array containing informations.
+ * Read link information
+ * @return array containing information.
*/
function jirafeau_get_link($hash)
{
$out['file_size'] = trim($c[2]);
$out['key'] = trim($c[3], NL);
$out['time'] = trim($c[4]);
- $out['md5'] = trim($c[5]);
+ $out['hash'] = trim($c[5]);
$out['onetime'] = trim($c[6]);
$out['upload_date'] = trim($c[7]);
$out['ip'] = trim($c[8]);
{
echo '<fieldset><legend>';
if (!empty($name)) {
- echo t('FILENAME') . ": $name ";
+ echo t('FILENAME') . ": " . jirafeau_escape($name);
}
if (!empty($file_hash)) {
- echo t('FILE') . ": $file_hash ";
+ echo t('FILE') . ": " . jirafeau_escape($file_hash);
}
if (!empty($link_hash)) {
- echo t('LINK') . ": $link_hash ";
+ echo t('LINK') . ": " . jirafeau_escape($link_hash);
}
if (empty($name) && empty($file_hash) && empty($link_hash)) {
echo t('LS_FILES');
echo '</legend>';
echo '<table>';
echo '<tr>';
- echo '<td>' . t('FILENAME') . '</td>';
- echo '<td>' . t('TYPE') . '</td>';
- echo '<td>' . t('SIZE') . '</td>';
- echo '<td>' . t('EXPIRE') . '</td>';
- echo '<td>' . t('ONETIME') . '</td>';
- echo '<td>' . t('UPLOAD_DATE') . '</td>';
- echo '<td>' . t('ORIGIN') . '</td>';
- echo '<td>' . t('ACTION') . '</td>';
+ echo '<th></th>';
+ echo '<th>' . t('ACTION') . '</th>';
echo '</tr>';
/* Get all links files. */
/* Push new found directory. */
$stack[] = $d . $node . '/';
} elseif (is_file($d . $node)) {
- /* Read link informations. */
+ /* Read link information. */
$l = jirafeau_get_link($node);
if (!count($l)) {
continue;
}
/* Filter. */
- if (!empty($name) && !preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
+ if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
continue;
}
- if (!empty($file_hash) && $file_hash != $l['md5']) {
+ if (!empty($file_hash) && $file_hash != $l['hash']) {
continue;
}
if (!empty($link_hash) && $link_hash != $node) {
continue;
}
- /* Print link informations. */
+ /* Print link information. */
echo '<tr>';
echo '<td>' .
'<strong><a id="upload_link" href="f.php?h='. jirafeau_escape($node) .'" title="' .
- t('DL_PAGE') . '">' . jirafeau_escape($l['file_name']) . '</a></strong>';
- echo '</td>';
- echo '<td>' . jirafeau_escape($l['mime_type']) . '</td>';
- echo '<td>' . jirafeau_human_size($l['file_size']) . '</td>';
- echo '<td>' . ($l['time'] == -1 ? '∞' : jirafeau_get_datetimefield($l['time'])) . '</td>';
- echo '<td>';
- if ($l['onetime'] == 'O') {
- echo 'Y';
- } else {
- echo 'N';
+ t('DL_PAGE') . '">' . jirafeau_escape($l['file_name']) . '</a></strong><br/>';
+ echo t('TYPE') . ': ' . jirafeau_escape($l['mime_type']) . '<br/>';
+ echo t('SIZE') . ': ' . jirafeau_human_size($l['file_size']) . '<br>';
+ echo t('EXPIRE') . ': ' . ($l['time'] == -1 ? '∞' : jirafeau_get_datetimefield($l['time'])) . '<br/>';
+ echo t('ONETIME') . ': ' . ($l['onetime'] == 'O' ? 'Yes' : 'No') . '<br/>';
+ echo t('UPLOAD_DATE') . ': ' . jirafeau_get_datetimefield($l['upload_date']) . '<br/>';
+ if (strlen($l['ip']) > 0) {
+ echo t('ORIGIN') . ': ' . $l['ip'] . '<br/>';
}
- echo '</td>';
- echo '<td>' . jirafeau_get_datetimefield($l['upload_date']) . '</td>';
- echo '<td>' . $l['ip'] . '</td>';
- echo '<td>' .
- '<form method="post">' .
+ echo '</td><td>';
+ echo '<form method="post">' .
'<input type = "hidden" name = "action" value = "download"/>' .
'<input type = "hidden" name = "link" value = "' . $node . '"/>' .
+ jirafeau_admin_csrf_field() .
'<input type = "submit" value = "' . t('DL') . '" />' .
'</form>' .
'<form method="post">' .
'<input type = "hidden" name = "action" value = "delete_link"/>' .
'<input type = "hidden" name = "link" value = "' . $node . '"/>' .
+ jirafeau_admin_csrf_field() .
'<input type = "submit" value = "' . t('DEL_LINK') . '" />' .
'</form>' .
'<form method="post">' .
'<input type = "hidden" name = "action" value = "delete_file"/>' .
- '<input type = "hidden" name = "md5" value = "' . $l['md5'] . '"/>' .
+ '<input type = "hidden" name = "hash" value = "' . $l['hash'] . '"/>' .
+ jirafeau_admin_csrf_field() .
'<input type = "submit" value = "' . t('DEL_FILE_LINKS') . '" />' .
'</form>' .
'</td>';
/* Push new found directory. */
$stack[] = $d . $node . '/';
} elseif (is_file($d . $node)) {
- /* Read link informations. */
+ /* Read link information. */
$l = jirafeau_get_link(basename($node));
if (!count($l)) {
continue;
}
- $p = s2p($l['md5']);
+ $p = s2p($l['hash']);
if ($l['time'] > 0 && $l['time'] < time() || // expired
- !file_exists(VAR_FILES . $p . $l['md5']) || // invalid
- !file_exists(VAR_FILES . $p . $l['md5'] . '_count')) { // invalid
+ !file_exists(VAR_FILES . $p . $l['hash']) || // invalid
+ !file_exists(VAR_FILES . $p . $l['hash'] . '_count')) { // invalid
jirafeau_delete_link($node);
$count++;
}
/**
- * Clean old async transferts.
+ * Clean old async transfers.
* @return number of cleaned files.
*/
function jirafeau_admin_clean_async()
/* Push new found directory. */
$stack[] = $d . $node . '/';
} elseif (is_file($d . $node)) {
- /* Read async informations. */
+ /* Read async information. */
$a = jirafeau_get_async_ref(basename($node));
if (!count($a)) {
continue;
}
- /* Delete transferts older than 1 hour. */
+ /* Delete transfers older than 1 hour. */
if (time() - $a['last_edited'] > 3600) {
jirafeau_async_delete(basename($node));
$count++;
}
return $count;
}
+
+/**
+ * Better strval function for debug purposes
+ */
+function jirafeau_strval($value)
+{
+ if (gettype($value) == "boolean") {
+ return $value ? 'true' : 'false';
+ }
+ return strval($value);
+}
+
/**
- * Read async transfert informations
- * @return array containing informations.
+ * Show file/folder permissions
+ */
+function jirafeau_fileperms($path)
+{
+ $out = substr(sprintf("%o", @fileperms($path)), -4) . ", ";
+ $out .= "read " . (is_readable($path) ? "OK" : "KO") . ", ";
+ $out .= "write " . (is_writable($path) ? "OK" : "KO");
+ return $out;
+}
+
+/**
+ * Show some useful informations for bug reporting.
+ */
+function jirafeau_admin_bug_report($cfg)
+{
+ $out = "<fieldset><legend>" . t('REPORTING_AN_ISSUE') . "</legend>";
+ $out .= "If you have a problem related to Jirafeau, please <a href='https://gitlab.com/mojo42/Jirafeau/-/issues'>open an issue</a>, explain your problem in english and copy-paste the following content:<br/><br/><code>";
+
+ $out .= "# Jirafeau<br/>";
+ $out .= "- version: " . JIRAFEAU_VERSION . "<br/>";
+ $jirafeau_options = [
+ 'debug',
+ 'file_hash',
+ 'litespeed_workaround',
+ 'store_uploader_ip',
+ 'installation_done',
+ 'enable_crypt',
+ 'preview',
+ 'maximal_upload_size',
+ 'store_uploader_ip',
+ 'max_upload_chunk_size_bytes'
+ ];
+ foreach ($jirafeau_options as &$o) {
+ $v = $cfg[$o];
+ $out .= "- $o: " . jirafeau_strval($v) . " (" . gettype($v) . ")<br/>";
+ }
+ $out .= "<br/>";
+
+ $out .= "# PHP options<br/>";
+ $out .= "- php version: " . phpversion() . "<br/>";
+ $out .= "- mcrypt version: " . phpversion('mcrypt') . "<br/>";
+ $php_options = [
+ 'post_max_size',
+ 'upload_max_filesize',
+ 'safe_mode',
+ 'max_execution_time',
+ 'max_input_time'
+ ];
+ foreach ($php_options as &$o) {
+ $v = ini_get($o);
+ $out .= "- $o: " . jirafeau_strval($v) . " (" . gettype($v). ")<br/>";
+ }
+ $out .= "- can set_time_limit: " . (set_time_limit(0) ? "yes" : "no") . "<br/>";
+ $out .= "<br/>";
+
+ $out .= "# File permissions<br/>";
+ $out .= "- 'var' folder permissions: " . jirafeau_fileperms($cfg['var_root']) . "<br/>";
+ $out .= "- 'file' folder permissions: " . jirafeau_fileperms(VAR_FILES) . "<br/>";
+ $out .= "- 'links' folder permissions: " . jirafeau_fileperms(VAR_LINKS) . "<br/>";
+ $out .= "- 'async' folder permissions: " . jirafeau_fileperms(VAR_ASYNC) . "<br/>";
+ $out .= "<br/>";
+
+ $out .= "# Server details<br/>";
+ $out .= "- server software: " . $_SERVER["SERVER_SOFTWARE"] . "<br/>";
+ $out .= "<br/>";
+
+ $out .= "# OS details<br/>";
+ $out .= "- OS: " . php_uname() . "<br/>";
+ $out .= "<br/>";
+
+ $out .= "# Browser details<br/>";
+ $out .= "<script type='text/javascript' lang='Javascript'>
+ // @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-v3-or-Later
+ document.write('- html5 support: ' + (check_html5_file_api() ? 'yes' : 'no') + '<br/>');
+ document.write('- user agent: ' + navigator.userAgent + '<br/>');
+ // @license-end
+ </script>";
+ $out .= "<br/>";
+
+ $out .= "# Memory<br/>";
+ $out .= "- memory_get_peak_usage: " . jirafeau_human_size(memory_get_peak_usage()) . "<br/>";
+
+ $out .= "</code></fieldset>";
+ return $out;
+}
+
+/**
+ * Read async transfer information
+ * @return array containing information.
*/
function jirafeau_get_async_ref($ref)
{
}
/**
- * Delete async transfert informations
+ * Delete async transfer information
*/
function jirafeau_async_delete($ref)
{
/**
* Init a new asynchronous upload.
- * @param $finename Name of the file to send
+ * @param $filename Name of the file to send
* @param $one_time One time upload parameter
* @param $key eventual password (or blank)
* @param $time time limit
* @param $ip ip address of the client
- * @return a string containing a temporary reference followed by a code or the string 'Error'
+ * @return a string containing a temporary reference followed by a code or a string starting with 'Error'
*/
function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
{
- $res = 'Error';
-
/* Create temporary folder. */
$ref;
$p;
} while (file_exists($p));
@mkdir($p, 0755, true);
if (!file_exists($p)) {
- echo 'Error';
- return;
+ return 'Error: cannot create async folder.';
}
+ /* touch empty data file */
+ $w_path = $p . $ref . '_data';
+ touch($w_path);
+
/* md5 password or empty */
$password = '';
if (!empty($key)) {
$password = md5($key);
}
- /* Store informations. */
+ /* Store information. */
$p .= $ref;
$handle = fopen($p, 'w');
- fwrite($handle,
- str_replace(NL, '', trim($filename)) . NL .
+ fwrite(
+ $handle,
+ str_replace(NL, '', trim($filename)) . NL .
str_replace(NL, '', trim($type)) . NL . $password . NL .
$time . NL . ($one_time ? 'O' : 'R') . NL . $ip . NL .
- time() . NL . $code . NL);
+ time() . NL . $code . NL
+ );
fclose($handle);
return $ref . NL . $code ;
* @param $file piece of data
* @param $code client code for this operation
* @param $max_file_size maximum allowed file size
- * @return a string containing a next code to use or the string "Error"
+ * @return a string containing a next code to use or a string starting with 'Error'
*/
function jirafeau_async_push($ref, $data, $code, $max_file_size)
{
$a = jirafeau_get_async_ref($ref);
/* Check some errors. */
- if (count($a) == 0
- || $a['next_code'] != "$code"
- || empty($data['tmp_name'])
- || !is_uploaded_file($data['tmp_name'])) {
- return 'Error';
+ if (count($a) == 0) {
+ return "Error: cannot find transfer";
+ }
+ if ($a['next_code'] != "$code") {
+ return "Error: bad transfer code";
+ }
+ if ($data['error'] != UPLOAD_ERR_OK) {
+ // Check error code in https://www.php.net/manual/en/features.file-upload.errors.php
+ $data_details = print_r($data, true);
+ return "Error: upload error: {$data_details}";
+ }
+ if (empty($data['tmp_name'])) {
+ return "Error: missing tmp_name";
+ }
+ if (!is_uploaded_file($data['tmp_name'])) {
+ return "Error: tmp_name may not be uploaded";
}
$p = s2p($ref);
if ($max_file_size > 0 &&
filesize($r_path) + filesize($w_path) > $max_file_size * 1024 * 1024) {
jirafeau_async_delete($ref);
- return 'Error';
+ return "Error: file size is above upload limit";
}
/* Concatenate data. */
fclose($r);
fclose($w);
jirafeau_async_delete($ref);
- return 'Error';
+ return "Error: cannot write file";
}
}
fclose($r);
/* Update async file. */
$code = jirafeau_gen_random(4);
$handle = fopen(VAR_ASYNC . $p . $ref, 'w');
- fwrite($handle,
- $a['file_name'] . NL. $a['mime_type'] . NL. $a['key'] . NL .
+ fwrite(
+ $handle,
+ $a['file_name'] . NL. $a['mime_type'] . NL. $a['key'] . NL .
$a['time'] . NL . $a['onetime'] . NL . $a['ip'] . NL .
- time() . NL . $code . NL);
+ time() . NL . $code . NL
+ );
fclose($handle);
return $code;
}
/**
- * Finalyze an asynchronous upload.
+ * Finalize an asynchronous upload.
* @param $ref asynchronous upload reference
* @param $code client code for this operation
* @param $crypt boolean asking to crypt or not
* @param $link_name_length link name length
- * @return a string containing the download reference followed by a delete code or the string 'Error'
+ * @return a string containing the download reference followed by a delete code or a string starting with 'Error'
*/
-function jirafeau_async_end($ref, $code, $crypt, $link_name_length)
+function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_method)
{
/* Get async infos. */
$a = jirafeau_get_async_ref($ref);
if (count($a) == 0
|| $a['next_code'] != "$code") {
- return "Error";
+ return "Error: bad code for ending transfer";
}
/* Generate link infos. */
$p = VAR_ASYNC . s2p($ref) . $ref . "_data";
if (!file_exists($p)) {
- return 'Error';
+ return "Error: referenced file does not exist";
}
$crypted = false;
}
}
- $md5 = md5_file($p);
+ $hash = jirafeau_hash_file($file_hash_method, $p);
$size = filesize($p);
- $np = s2p($md5);
+ $np = s2p($hash);
$delete_link_code = jirafeau_gen_random(5);
/* File already exist ? */
if (!file_exists(VAR_FILES . $np)) {
@mkdir(VAR_FILES . $np, 0755, true);
}
- if (!file_exists(VAR_FILES . $np . $md5)) {
- rename($p, VAR_FILES . $np . $md5);
+ if (!file_exists(VAR_FILES . $np . $hash)) {
+ rename($p, VAR_FILES . $np . $hash);
}
/* Increment or create count file. */
$counter = 0;
- if (file_exists(VAR_FILES . $np . $md5 . '_count')) {
- $content = file(VAR_FILES . $np . $md5. '_count');
+ if (file_exists(VAR_FILES . $np . $hash . '_count')) {
+ $content = file(VAR_FILES . $np . $hash. '_count');
$counter = trim($content[0]);
}
$counter++;
- $handle = fopen(VAR_FILES . $np . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $np . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
/* Create link. */
- $link_tmp_name = VAR_LINKS . $md5 . rand(0, 10000) . '.tmp';
+ $link_tmp_name = VAR_LINKS . $hash . rand(0, 10000) . '.tmp';
$handle = fopen($link_tmp_name, 'w');
- fwrite($handle,
- $a['file_name'] . NL . $a['mime_type'] . NL . $size . NL .
- $a['key'] . NL . $a['time'] . NL . $md5 . NL . $a['onetime'] . NL .
- time() . NL . $a['ip'] . NL . $delete_link_code . NL . ($crypted ? 'C' : 'O'));
+ fwrite(
+ $handle,
+ $a['file_name'] . NL . $a['mime_type'] . NL . $size . NL .
+ $a['key'] . NL . $a['time'] . NL . $hash . NL . $a['onetime'] . NL .
+ time() . NL . $a['ip'] . NL . $delete_link_code . NL . ($crypted ? 'C' : 'O')
+ );
fclose($handle);
- $md5_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
- $l = s2p("$md5_link");
- if (!@mkdir(VAR_LINKS . $l, 0755, true) ||
- !rename($link_tmp_name, VAR_LINKS . $l . $md5_link)) {
- echo "Error";
+ $hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
+ $l = s2p("$hash_link");
+ if (!@mkdir(VAR_LINKS . $l, 0755, true)) {
+ return "Error: cannot create folder in LINKS";
+ }
+ if (!rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
+ return "Error: cannot rename file in LINKS";
}
/* Clean async upload. */
jirafeau_async_delete($ref);
- return $md5_link . NL . $delete_link_code . NL . urlencode($crypt_key);
+ return $hash_link . NL . $delete_link_code . NL . urlencode($crypt_key);
}
function jirafeau_crypt_create_iv($base, $size)
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
/* Generate key. */
$crypt_key = jirafeau_gen_random(10);
- $md5_key = md5($crypt_key);
- $iv = jirafeau_crypt_create_iv($md5_key, mcrypt_enc_get_iv_size($m));
+ $hash_key = md5($crypt_key);
+ $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
/* Init module. */
- mcrypt_generic_init($m, $md5_key, $iv);
+ mcrypt_generic_init($m, $hash_key, $iv);
/* Crypt file. */
$r = fopen($fp_src, 'r');
$w = fopen($fp_dst, 'c');
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
/* Extract key and iv. */
$crypt_key = $k;
- $md5_key = md5($crypt_key);
- $iv = jirafeau_crypt_create_iv($md5_key, mcrypt_enc_get_iv_size($m));
+ $hash_key = md5($crypt_key);
+ $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
/* Decrypt file. */
$r = fopen($fp_src, 'r');
$w = fopen($fp_dst, 'c');
}
/**
- * Test if visitor's IP is authorized to upload.
+ * Test if the given IP is whitelisted by the given list.
*
* @param $allowedIpList array of allowed IPs
* @param $challengedIp IP to be challenged
* @return true if IP is authorized, false otherwise.
*/
-function jirafeau_challenge_upload_ip($allowedIpList, $challengedIp)
+function jirafeau_challenge_ip($allowedIpList, $challengedIp)
{
- // skip if list is empty = all IPs allowed
- if (count($allowedIpList) == 0) {
- return true;
- }
- // test given IP against each allowed IP
foreach ($allowedIpList as $i) {
if ($i == $challengedIp) {
return true;
}
/**
- * Test if visitor's IP is authorized or password is supplied and authorized
- * @param $ip IP to be challenged
- * @param $password password to be challenged
- * @return true if access is valid, false otherwise.
+ * Check if Jirafeau has a restriction on the IP address for uploading.
+ * @return true if uploading is IP restricted, false otherwise.
*/
-function jirafeau_challenge_upload ($cfg, $ip, $password)
+function jirafeau_upload_has_ip_restriction($cfg)
{
- // Allow if no ip restrictaion and no password restriction
- if ((count ($cfg['upload_ip']) == 0) and (count ($cfg['upload_password']) == 0)) {
+ return count($cfg['upload_ip']) > 0;
+}
+
+/**
+ * Test if visitor's IP is authorized to upload at all.
+ *
+ * @param $cfg configuration
+ * @param $challengedIp IP to be challenged
+ * @return true if IP is authorized, false otherwise.
+ */
+function jirafeau_challenge_upload_ip($cfg, $challengedIp)
+{
+ // If no IP address have been listed, allow upload from any IP
+ if (!jirafeau_upload_has_ip_restriction($cfg)) {
return true;
}
+ return jirafeau_challenge_ip($cfg['upload_ip'], $challengedIp);
+}
- // Allow if ip is in array
- foreach ($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;
- }
- }
- }
- if (!jirafeau_has_upload_password($cfg)) {
- return false;
- }
+/**
+ * Test if visitor's IP is authorized to upload without a password.
+ *
+ * @param $cfg configuration
+ * @param $challengedIp IP to be challenged
+ * @return true if IP is authorized, false otherwise.
+ */
+function jirafeau_challenge_upload_ip_without_password($cfg, $challengedIp)
+{
+ return jirafeau_challenge_ip($cfg['upload_ip_nopassword'], $challengedIp);
+}
- foreach ($cfg['upload_password'] as $p) {
- if ($password == $p) {
- return true;
- }
- }
- return false;
+/**
+ * Test if visitor's IP is authorized or password is supplied and authorized
+ * @param $ip IP to be challenged
+ * @param $password password to be challenged
+ * @return true if access is valid, false otherwise.
+ */
+function jirafeau_challenge_upload($cfg, $ip, $password)
+{
+ return jirafeau_challenge_upload_ip_without_password($cfg, $ip) ||
+ (!jirafeau_has_upload_password($cfg) && !jirafeau_upload_has_ip_restriction($cfg)) ||
+ (jirafeau_challenge_upload_password($cfg, $password) && jirafeau_challenge_upload_ip($cfg, $ip));
}
/** Tell if we have some HTTP headers generated by a proxy */
{
return htmlspecialchars($string, ENT_QUOTES);
}
+
+function jirafeau_admin_session_start()
+{
+ $_SESSION['admin_auth'] = true;
+ $_SESSION['admin_csrf'] = md5(uniqid(mt_rand(), true));
+}
+
+function jirafeau_admin_session_end()
+{
+ $_SESSION = array();
+ session_destroy();
+}
+
+function jirafeau_admin_session_logged()
+{
+ return isset($_SESSION['admin_auth']) &&
+ isset($_SESSION['admin_csrf']) &&
+ isset($_POST['admin_csrf']) &&
+ $_SESSION['admin_auth'] === true &&
+ $_SESSION['admin_csrf'] === $_POST['admin_csrf'];
+}
+
+function jirafeau_admin_csrf_field()
+{
+ return "<input type='hidden' name='admin_csrf' value='". $_SESSION['admin_csrf'] . "'/>";
+}
+
+function jirafeau_dir_size($dir)
+{
+ $size = 0;
+ foreach (glob(rtrim($dir, '/').'/*', GLOB_NOSORT) as $entry) {
+ $size += is_file($entry) ? filesize($entry) : jirafeau_dir_size($entry);
+ }
+ return $size;
+}
+
+function jirafeau_export_cfg($cfg)
+{
+ $content = '<?php' . NL;
+ $content .= '/* This file was generated by the install process. ' .
+ 'You can edit it. Please see config.original.php to understand the ' .
+ 'configuration items. */' . NL;
+ $content .= '$cfg = ' . var_export($cfg, true) . ';';
+
+ $fileWrite = file_put_contents(JIRAFEAU_CFG, $content);
+
+ if (false === $fileWrite) {
+ jirafeau_fatal_error(t('Can not write local configuration file'));
+ }
+}
+
+function jirafeau_mkdir($path)
+{
+ return !(!file_exists($path) && !@mkdir($path, 0755));
+}
+
+/**
+ * Returns true whether the path is writable or we manage to make it
+ * so, which essentially is the same thing.
+ * @param $path is the file or directory to be tested.
+ * @return true if $path is writable.
+ */
+function jirafeau_is_writable($path)
+{
+ /* "@" gets rid of error messages. */
+ return is_writable($path) || @chmod($path, 0777);
+}
+
+function jirafeau_check_var_dir($path)
+{
+ $mkdir_str1 = t('CANNOT_CREATE_DIR') . ':';
+ $mkdir_str2 = t('MANUAL_CREATE');
+ $write_str1 = t('DIR_NOT_W') . ':';
+ $write_str2 = t('You should give the write permission to the web server on ' .
+ 'this directory.');
+ $solution_str = t('HERE_SOLUTION') . ':';
+
+ if (!jirafeau_mkdir($path) || !jirafeau_is_writable($path)) {
+ return array('has_error' => true,
+ 'why' => $mkdir_str1 . '<br /><code>' .
+ $path . '</code><br />' . $solution_str .
+ '<br />' . $mkdir_str2);
+ }
+
+ foreach (array('files', 'links', 'async') as $subdir) {
+ $subpath = $path.$subdir;
+
+ if (!jirafeau_mkdir($subpath) || !jirafeau_is_writable($subpath)) {
+ return array('has_error' => true,
+ 'why' => $mkdir_str1 . '<br /><code>' .
+ $subpath . '</code><br />' . $solution_str .
+ '<br />' . $mkdir_str2);
+ }
+ }
+
+ return array('has_error' => false, 'why' => '');
+}
+
+function jirafeau_add_ending_slash($path)
+{
+ return $path . ((substr($path, -1) == '/') ? '' : '/');
+}
+
+function jirafeau_default_web_root()
+{
+ return $_SERVER['HTTP_HOST'] . str_replace('install.php', '', $_SERVER['REQUEST_URI']);
+}
git.p6c8.net / jirafeau.git / blobdiff