/*
* 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 <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
* it under the terms of the GNU Affero General Public License as
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
- * Transform a string in a path by seperating each letters by a '/'.
- * @return path finishing with a '/'
+ * Transform a string in a path by separating each letters by a '/'.
+ * @return path finishing with a '/'
*/
-function
-s2p ($s)
+function s2p($s)
{
+ $block_size = 8;
$p = '';
- for ($i = 0; $i < strlen ($s); $i++)
- $p .= $s{$i} . '/';
+ for ($i = 0; $i < strlen($s); $i++) {
+ $p .= $s[$i];
+ if (($i + 1) % $block_size == 0) {
+ $p .= '/';
+ }
+ }
+ if (strlen($s) % $block_size != 0) {
+ $p .= '/';
+ }
return $p;
}
* Convert base 16 to base 64
* @returns A string based on 64 characters (0-9, a-z, A-Z, "-" and "_")
*/
-function
-base_16_to_64 ($num)
+function base_16_to_64($num)
{
$m = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
- $hex2bin = array ('0000', # 0
- '0001', # 1
- '0010', # 2
- '0011', # 3
- '0100', # 4
- '0101', # 5
- '0110', # 6
- '0111', # 7
- '1000', # 8
- '1001', # 9
- '1010', # a
- '1011', # b
- '1100', # c
- '1101', # d
- '1110', # e
- '1111'); # f
- $o = '';
+ $hex2bin = array('0000', # 0
+ '0001', # 1
+ '0010', # 2
+ '0011', # 3
+ '0100', # 4
+ '0101', # 5
+ '0110', # 6
+ '0111', # 7
+ '1000', # 8
+ '1001', # 9
+ '1010', # a
+ '1011', # b
+ '1100', # c
+ '1101', # d
+ '1110', # e
+ '1111'); # f
+ $o = '';
$b = '';
$i = 0;
# Convert long hex string to bin.
- $size = strlen ($num);
- for ($i = 0; $i < $size; $i++)
- $b .= $hex2bin{hexdec ($num{$i})};
+ $size = strlen($num);
+ for ($i = 0; $i < $size; $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))} . $o;
+ for ($i = $size - 6; $i >= 0; $i -= 6) {
+ $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))} . $o;
+ if ($i < 0 && $i > -6) {
+ $o = $m[bindec(substr($b, 0, $i + 6))] . $o;
+ }
return $o;
}
* @param $l code length
* @return random code.
*/
-function
-jirafeau_gen_random ($l)
+function jirafeau_gen_random($l)
{
- if ($l <= 0)
+ if ($l <= 0) {
return 42;
+ }
$code="";
- for ($i = 0; $i < $l; $i++)
- $code .= dechex (rand (0, 15));
+ for ($i = 0; $i < $l; $i++) {
+ $code .= dechex(rand(0, 15));
+ }
return $code;
}
-function
-jirafeau_human_size ($octets)
+function jirafeau_gen_download_pass($length, $allowed_chars)
+{
+ if ($length <= 0) {
+ return false;
+ }
+ $pass="";
+ for ($i = 0; $i < $length; $i++) {
+ $pass .= $allowed_chars[rand(0, strlen($allowed_chars) - 1)];
+ }
+
+ return $pass;
+}
+
+function is_ssl()
+{
+ if (isset($_SERVER['HTTPS'])) {
+ if ('on' == strtolower($_SERVER['HTTPS']) ||
+ '1' == $_SERVER['HTTPS']) {
+ return true;
+ }
+ } elseif (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) {
+ return true;
+ } elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
+ if ($_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
+ return true;
+ }
+ }
+ return false;
+}
+
+function jirafeau_human_size($octets)
+{
+ $u = array('B', 'KB', 'MB', 'GB', 'TB');
+ $o = max($octets, 0);
+ $p = min(floor(($o ? log($o) : 0) / log(1024)), count($u) - 1);
+ $o /= pow(1024, $p);
+ return round($o, 1) . $u[$p];
+}
+
+// Convert UTC timestamp to a datetime field
+function jirafeau_get_datetimefield($timestamp)
+{
+
+ $ts = date_create("@" . $timestamp);
+ $content = '<span class="datetime" data-datetime="' . date_format($ts, 'Y-m-d H:i') . '">'
+ . date_format($ts, 'Y-m-d H:i') . ' (GMT)</span>';
+
+ return $content;
+}
+
+function jirafeau_fatal_error($errorText, $cfg = array())
{
- $u = array ('B', 'KB', 'MB', 'GB', 'TB');
- $o = max ($octets, 0);
- $p = min (floor (($o ? log ($o) : 0) / log (1024)), count ($u) - 1);
- $o /= pow (1024, $p);
- return round ($o, 1) . $u[$p];
-}
+ echo '<div class="error"><h2>Error</h2><p>' . $errorText . '</p></div>';
+ require(JIRAFEAU_ROOT . 'lib/template/footer.php');
+ exit;
+}
-function
-jirafeau_clean_rm_link ($link)
+function jirafeau_clean_rm_link($link)
{
- $p = s2p ("$link");
- if (file_exists (VAR_LINKS . $p . $link))
- unlink (VAR_LINKS . $p . $link);
+ $p = s2p("$link");
+ if (file_exists(VAR_LINKS . $p . $link)) {
+ unlink(VAR_LINKS . $p . $link);
+ }
+ if (file_exists(VAR_LINKS . $p . $link . '_download')) {
+ unlink(VAR_LINKS . $p . $link . '_download');
+ }
$parse = VAR_LINKS . $p;
$scan = array();
- while (file_exists ($parse)
- && ($scan = scandir ($parse))
- && count ($scan) == 2 // '.' and '..' folders => empty.
- && basename ($parse) != basename (VAR_LINKS))
- {
- rmdir ($parse);
- $parse = substr ($parse, 0, strlen($parse) - strlen(basename ($parse)) - 1);
+ while (file_exists($parse)
+ && ($scan = scandir($parse))
+ && count($scan) == 2 // '.' and '..' folders => empty.
+ && basename($parse) != basename(VAR_LINKS)) {
+ rmdir($parse);
+ $parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
}
}
-function
-jirafeau_clean_rm_file ($md5)
+function jirafeau_clean_rm_file($hash)
{
- $p = s2p ("$md5");
- $f = VAR_FILES . $p . $md5;
- if (file_exists ($f) && is_file ($f))
- unlink ($f);
- if (file_exists ($f . '_count') && is_file ($f . '_count'))
- unlink ($f . '_count');
+ $p = s2p("$hash");
+ $f = VAR_FILES . $p . $hash;
+ if (file_exists($f) && is_file($f)) {
+ unlink($f);
+ }
+ if (file_exists($f . '_count') && is_file($f . '_count')) {
+ unlink($f . '_count');
+ }
$parse = VAR_FILES . $p;
$scan = array();
- while (file_exists ($parse)
- && ($scan = scandir ($parse))
- && count ($scan) == 2 // '.' and '..' folders => empty.
- && basename ($parse) != basename (VAR_FILES))
- {
- rmdir ($parse);
- $parse = substr ($parse, 0, strlen($parse) - strlen(basename ($parse)) - 1);
+ while (file_exists($parse)
+ && ($scan = scandir($parse))
+ && count($scan) == 2 // '.' and '..' folders => empty.
+ && basename($parse) != basename(VAR_FILES)) {
+ rmdir($parse);
+ $parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
}
}
* @param $value the value from php.ini
* @returns an integer for this value
*/
-function jirafeau_ini_to_bytes ($value)
+function jirafeau_ini_to_bytes($value)
{
- $modifier = substr ($value, -1);
- $bytes = substr ($value, 0, -1);
- switch (strtoupper ($modifier))
- {
- case 'P':
- $bytes *= 1024;
- case 'T':
- $bytes *= 1024;
- case 'G':
- $bytes *= 1024;
- case 'M':
- $bytes *= 1024;
- case 'K':
- $bytes *= 1024;
- default:
- break;
+ $modifier = substr($value, -1);
+ $bytes = substr($value, 0, -1);
+ switch (strtoupper($modifier)) {
+ default:
+ return intval($value);
+ break;
+ 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;
}
return $bytes;
}
* gets the maximum upload size according to php.ini
* @returns the maximum upload size in bytes
*/
-function
-jirafeau_get_max_upload_size_bytes ()
+function jirafeau_get_max_upload_size_bytes()
{
- return min (jirafeau_ini_to_bytes (ini_get ('post_max_size')),
- jirafeau_ini_to_bytes (ini_get ('upload_max_filesize')));
+ return min(
+ jirafeau_ini_to_bytes(ini_get('post_max_size')),
+ jirafeau_ini_to_bytes(ini_get('upload_max_filesize'))
+ );
}
/**
* gets the maximum upload size according to php.ini
* @returns the maximum upload size string
*/
-function
-jirafeau_get_max_upload_size ()
+function jirafeau_get_max_upload_size()
+{
+ return jirafeau_human_size(jirafeau_get_max_upload_size_bytes());
+}
+
+/**
+ * get the maximal upload size for a data chunk in async uploads
+ * @param max_upload_chunk_size_bytes
+ */
+function jirafeau_get_max_upload_chunk_size_bytes($max_upload_chunk_size_bytes = 0)
{
- return jirafeau_human_size(
- min (jirafeau_ini_to_bytes (ini_get ('post_max_size')),
- jirafeau_ini_to_bytes (ini_get ('upload_max_filesize'))));
+ 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;
}
/**
* @param $code the error code
* @returns a string explaining the error
*/
-function
-jirafeau_upload_errstr ($code)
+function jirafeau_upload_errstr($code)
{
- switch ($code)
- {
- case UPLOAD_ERR_INI_SIZE:
- case UPLOAD_ERR_FORM_SIZE:
- return t('Your file exceeds the maximum authorized file size. ');
- break;
-
- case UPLOAD_ERR_PARTIAL:
- case UPLOAD_ERR_NO_FILE:
- return
- t
- ('Your file was not uploaded correctly. You may succeed in retrying. ');
- break;
-
- case UPLOAD_ERR_NO_TMP_DIR:
- case UPLOAD_ERR_CANT_WRITE:
- case UPLOAD_ERR_EXTENSION:
- return t('Internal error. You may not succeed in retrying. ');
- break;
-
- default:
- break;
+ switch ($code) {
+ case UPLOAD_ERR_INI_SIZE:
+ case UPLOAD_ERR_FORM_SIZE:
+ return t('Your file exceeds the maximum authorized file size. ');
+
+ case UPLOAD_ERR_PARTIAL:
+ case UPLOAD_ERR_NO_FILE:
+ return
+ t('Your file was not uploaded correctly. You may succeed in retrying. ');
+
+ case UPLOAD_ERR_NO_TMP_DIR:
+ case UPLOAD_ERR_CANT_WRITE:
+ case UPLOAD_ERR_EXTENSION:
+ return t('Internal error. You may not succeed in retrying. ');
}
return t('Unknown error. ');
}
* @param $link the link's name (hash)
*/
-function
-jirafeau_delete_link ($link)
+function jirafeau_delete_link($link)
{
- $l = jirafeau_get_link ($link);
- if (!count ($l))
+ $l = jirafeau_get_link($link);
+ if (!count($l)) {
return;
+ }
- jirafeau_clean_rm_link ($link);
+ 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');
- $counter = trim ($content[0]);
+ 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 . $md5. '_count', 'w');
- fwrite ($handle, $counter);
- fclose ($handle);
+ if ($counter >= 1) {
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
+ fwrite($handle, $counter);
+ fclose($handle);
}
- if ($counter == 0)
- jirafeau_clean_rm_file ($md5);
+ if ($counter == 0) {
+ jirafeau_clean_rm_file($hash);
+ }
}
/**
* Delete a file and it's links.
*/
-function
-jirafeau_delete_file ($md5)
+function jirafeau_delete_file($hash)
{
$count = 0;
/* Get all links files. */
- $stack = array (VAR_LINKS);
- while (($d = array_shift ($stack)) && $d != NULL)
- {
- $dir = scandir ($d);
+ $stack = array(VAR_LINKS);
+ while (($d = array_shift($stack)) && $d != null) {
+ $dir = scandir($d);
- foreach ($dir as $node)
- {
- if (strcmp ($node, '.') == 0 || strcmp ($node, '..') == 0 ||
- preg_match ('/\.tmp/i', "$node"))
+ foreach ($dir as $node) {
+ if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
+ preg_match('/\.tmp/i', "$node")) {
continue;
-
- if (is_dir ($d . $node))
- {
+ }
+
+ if (is_dir($d . $node)) {
/* Push new found directory. */
$stack[] = $d . $node . '/';
- }
- elseif (is_file ($d . $node))
- {
+ } elseif (is_file($d . $node)) {
/* Read link informations. */
- $l = jirafeau_get_link (basename ($node));
- if (!count ($l))
+ $l = jirafeau_get_link(basename($node));
+ if (!count($l)) {
continue;
- if ($l['md5'] == $md5)
- {
+ }
+ if ($l['hash'] == $hash) {
$count++;
- jirafeau_delete_link ($node);
- }
+ 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, $file_hash_method)
{
- if (!is_int ($link_name_length))
- $link_name_length = 8;
- if (empty ($file['tmp_name']) || !is_uploaded_file ($file['tmp_name']))
- {
+ if (empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
return (array(
'error' =>
- array ('has_error' => true,
- 'why' => jirafeau_upload_errstr ($file['error'])),
+ array('has_error' => true,
+ 'why' => jirafeau_upload_errstr($file['error'])),
'link' => '',
'delete_link' => ''));
}
+ jirafeau_add_file($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method);
+}
- /* array representing no error */
- $noerr = array ('has_error' => false, 'why' => '');
-
+/**
+ *
+ * @param bool $crypt_module_enabled
+ * @param string $file_path
+ * @return array [bool, string]
+ */
+function jirafeau_handle_add_file_encryption($crypt_module_enabled, $file_path) {
/* Crypt file if option is enabled. */
$crypted = false;
$crypt_key = '';
- if ($crypt == true && extension_loaded('mcrypt'))
- {
- $crypt_key = jirafeau_encrypt_file ($file['tmp_name'], $file['tmp_name']);
- if (strlen($crypt_key) > 0)
- $crypted = true;
+ if ($crypt_module_enabled == true && !(extension_loaded('sodium') == true)) {
+ error_log("PHP extension sodium not loaded, won't encrypt in Jirafeau");
}
+ if ($crypt_module_enabled == true && extension_loaded('sodium') == true) {
+ $crypt_key = jirafeau_encrypt_file($file_path, $file_path.'crypt');
+ if (strlen($crypt_key) > 0) {
+ if (rename($file_path.'crypt', $file_path) === true) {
+ $crypted = true;
+ }
+ }
+ }
+
+ return [$crypted, $crypt_key];
+}
+
+/**
+ * adds an uploaded or copy/linked local file
+ * @param $file the file struct given by $_FILE[]
+ * @param $one_time_download is the file a one time download ?
+ * @param $key if not empty, protect the file with this key
+ * @param $time the time of validity of the file
+ * @param $ip uploader's ip
+ * @param $crypt boolean asking to crypt or not
+ * @param $link_name_length size of the link name
+ * @param $is_upload, determines if the file is uploaded or local - it controls which file-functions are used
+ * @return array an array containing some information
+ * 'error' => information on possible errors
+ * 'link' => the link name of the uploaded file
+ * 'delete_link' => the link code to delete file
+ */
+function jirafeau_add_file($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method, $is_upload = true)
+{
+ // TODO needs to be adapted
+ $move_operation = $is_upload ? 'move_uploaded_file' : 'symlink';
+
+ /* array representing no error */
+ $noerr = array('has_error' => false, 'why' => '');
+
+ $crypted = false;
+ $crypt_key = '';
+ list($crypted, $crypt_key) = jirafeau_handle_add_file_encryption($crypt, $file['tmp_name']);
- /* file informations */
- $md5 = md5_file ($file['tmp_name']);
- $name = str_replace (NL, '', trim ($file['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))
- {
- $rc = unlink ($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))
- {
+ $p = s2p("$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 . $hash))
+ $move_operation($file['tmp_name'], VAR_FILES . $p . $hash))
+ {
+
$rc = true;
}
- if (!$rc)
- {
+ if (!$rc) {
return (array(
'error' =>
- array ('has_error' => true,
- 'why' => t('Internal error during file creation.')),
+ array('has_error' => true,
+ 'why' => t('INTERNAL_ERROR_DEL')),
'link' =>'',
'delete_link' => ''));
}
/* Increment or create count file. */
$counter = 0;
- if (file_exists (VAR_FILES . $p . $md5 . '_count'))
- {
- $content = file (VAR_FILES . $p . $md5. '_count');
- $counter = trim ($content[0]);
+ 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 . $md5. '_count', 'w');
- fwrite ($handle, $counter);
- fclose ($handle);
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
+ fwrite($handle, $counter);
+ fclose($handle);
/* Create delete code. */
- $delete_link_code = jirafeau_gen_random (5);
+ $delete_link_code = jirafeau_gen_random(5);
- /* md5 password or empty. */
+ /* hash password or empty. */
$password = '';
- if (!empty ($key))
- $password = md5 ($key);
+ if (!empty($key)) {
+ $password = md5($key);
+ }
/* create link file */
- $link_tmp_name = VAR_LINKS . $md5 . 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 . date ('U') .
- 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");
- if (!@mkdir (VAR_LINKS . $l, 0755, true) ||
- !rename ($link_tmp_name, VAR_LINKS . $l . $md5_link))
- {
- if (file_exists ($link_tmp_name))
- unlink ($link_tmp_name);
-
- $counter--;
- if ($counter >= 1)
- {
- $handle = fopen (VAR_FILES . $p . $md5. '_count', 'w');
- fwrite ($handle, $counter);
- fclose ($handle);
+ $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 . $hash. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
+ NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O')
+ );
+ fclose($handle);
+ $hash_link = substr(base_16_to_64(md5_file($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 . $hash_link)) {
+ if (file_exists($link_tmp_name)) {
+ unlink($link_tmp_name);
}
- else
- {
- jirafeau_clean_rm_file ($md5_link);
+
+ $counter--;
+ if ($counter >= 1) {
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
+ fwrite($handle, $counter);
+ fclose($handle);
+ } else {
+ jirafeau_clean_rm_file($hash_link);
}
- return (array(
+ return array(
'error' =>
- array ('has_error' => true,
+ array('has_error' => true,
'why' => t('Internal error during file creation. ')),
'link' =>'',
- 'delete_link' => ''));
+ 'delete_link' => '');
+ }
+ return array( 'error' => $noerr,
+ 'link' => $hash_link,
+ 'delete_link' => $delete_link_code,
+ 'crypt_key' => $crypt_key);
+}
+
+
+function jirafeau_admin_list_table ($name, $file_hash, $link_hash, $visitor_function = null) {
+ echo '<fieldset><legend>';
+ if (!empty($name)) {
+ echo t('FILENAME') . ": " . jirafeau_escape($name);
+ }
+ if (!empty($file_hash)) {
+ echo t('FILE') . ": " . jirafeau_escape($file_hash);
+ }
+ if (!empty($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 '<th></th>';
+ echo '<th>' . t('ACTION') . '</th>';
+ echo '</tr>';
+ if ($visitor_function != null) {
+ $visitor_function($name, $file_hash, $link_hash);
}
- return (array ('error' => $noerr,
- 'link' => $md5_link,
- 'delete_link' => $delete_link_code,
- 'crypt_key' => $crypt_key));
+ echo '</table></fieldset>';
}
+
+
+
+
/**
- * tells if a mime-type is viewable in a browser
+ * Tells if a mime-type is viewable in a browser
* @param $mime the mime type
* @returns a boolean telling if a mime type is viewable
*/
-function
-jirafeau_is_viewable ($mime)
+function jirafeau_is_viewable($mime)
{
- if (!empty ($mime))
- {
- /* Actually, verify if mime-type is an image or a text. */
- $viewable = array ('image', 'text');
- $decomposed = explode ('/', $mime);
- return in_array ($decomposed[0], $viewable);
+ if (!empty($mime)) {
+ $viewable = array('image', 'video', 'audio');
+ $decomposed = explode('/', $mime);
+ if (in_array($decomposed[0], $viewable) && strpos($mime, 'image/svg+xml') === false) {
+ return true;
+ }
+ $viewable = array('text/plain');
+ if (in_array($mime, $viewable)) {
+ return true;
+ }
}
return false;
}
// Error handling functions.
//! Global array that contains all registered errors.
-$error_list = array ();
+$error_list = array();
/**
* Adds an error to the list of errors.
* @param $title the error's title
* @param $description is a human-friendly description of the problem.
*/
-function
-add_error ($title, $description)
+function add_error($title, $description)
{
global $error_list;
$error_list[] = '<p>' . $title. '<br />' . $description. '</p>';
* Informs whether any error has been registered yet.
* @return true if there are errors.
*/
-function
-has_error ()
+function has_error()
{
global $error_list;
- return !empty ($error_list);
+ return !empty($error_list);
}
/**
* Displays all the errors.
*/
-function
-show_errors ()
+function show_errors()
{
- if (has_error ())
- {
+ if (has_error()) {
global $error_list;
echo '<div class="error">';
- foreach ($error_list as $error)
- {
+ foreach ($error_list as $error) {
echo $error;
}
echo '</div>';
}
}
-function check_errors ()
+function check_errors($cfg)
{
- if (file_exists (JIRAFEAU_ROOT . 'install.php')
- && !file_exists (JIRAFEAU_ROOT . 'lib/config.local.php'))
- {
- 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 */
- $writable = is_writable (VAR_FILES) && is_writable (VAR_LINKS);
+ if (!is_writable(VAR_FILES)) {
+ add_error(t('FILE_DIR_W'), VAR_FILES);
+ }
- /* Checking for errors. */
- if (!is_writable (VAR_FILES))
- add_error (t('The file directory is not writable!'), VAR_FILES);
+ if (!is_writable(VAR_LINKS)) {
+ add_error(t('LINK_DIR_W'), VAR_LINKS);
+ }
- if (!is_writable (VAR_LINKS))
- add_error (t('The link directory is not writable!'), VAR_LINKS);
-
- if (!is_writable (VAR_ASYNC))
- add_error (t('The async directory is not writable!'), VAR_ASYNC);
+ if (!is_writable(VAR_ASYNC)) {
+ add_error(t('ASYNC_DIR_W'), VAR_ASYNC);
+ }
- if (!is_writable (VAR_BLOCK))
- add_error (t('The block directory is not writable!'), VAR_BLOCK);
+ if ($cfg['enable_crypt'] && $cfg['litespeed_workaround']) {
+ add_error(t('INCOMPATIBLE_OPTIONS_W'), 'enable_crypt=true<br>litespeed_workaround=true');
+ }
- /* Check if the install.php script is still in the directory. */
- if (file_exists (JIRAFEAU_ROOT . 'install.php'))
- add_error (t('Installer script still present'),
- t('Please make sure to delete the installer script ' .
- '"install.php" before continuing.'));
+ if ($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)
+function jirafeau_get_link($hash)
{
- $out = array ();
- $link = VAR_LINKS . s2p ("$hash") . $hash;
+ $out = array();
+ $link = VAR_LINKS . s2p("$hash") . $hash;
- if (!file_exists ($link))
+ if (!file_exists($link)) {
return $out;
-
- $c = file ($link);
- $out['file_name'] = trim ($c[0]);
- $out['mime_type'] = trim ($c[1]);
- $out['file_size'] = trim ($c[2]);
- $out['key'] = trim ($c[3], NL);
- $out['time'] = trim ($c[4]);
- $out['md5'] = trim ($c[5]);
- $out['onetime'] = trim ($c[6]);
- $out['upload_date'] = trim ($c[7]);
- $out['ip'] = trim ($c[8]);
- $out['link_code'] = trim ($c[9]);
- if (trim ($c[10]) == 'C')
- $out['crypted'] = true;
-
+ }
+
+ $c = file($link);
+ $out['file_name'] = trim($c[0]);
+ $out['mime_type'] = trim($c[1]);
+ $out['file_size'] = trim($c[2]);
+ $out['key'] = trim($c[3], NL);
+ $out['time'] = trim($c[4]);
+ $out['hash'] = trim($c[5]);
+ $out['onetime'] = trim($c[6]);
+ $out['upload_date'] = trim($c[7]);
+ $out['ip'] = trim($c[8]);
+ $out['link_code'] = trim($c[9]);
+ $out['crypted'] = trim($c[10]) == 'C2';
+ $out['crypted_legacy'] = trim($c[10]) == 'C';
+
return $out;
}
/**
- * List files in admin interface.
+ * List files ii folder in admin interface.
*/
-function
-jirafeau_admin_list ($name, $file_hash, $link_hash)
+function jirafeau_admin_list($name, $file_hash, $link_hash)
{
- echo '<fieldset><legend>';
- if (!empty ($name))
- echo t('Filename') . ": $name ";
- if (!empty ($file_hash))
- echo t('file') . ": $file_hash ";
- if (!empty ($link_hash))
- echo t('link') . ": $link_hash ";
- if (empty ($name) && empty ($file_hash) && empty ($link_hash))
- echo t('List all 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 '</tr>';
-
- /* Get all links files. */
- $stack = array (VAR_LINKS);
- while (($d = array_shift ($stack)) && $d != NULL)
- {
- $dir = scandir ($d);
- foreach ($dir as $node)
- {
- if (strcmp ($node, '.') == 0 || strcmp ($node, '..') == 0 ||
- preg_match ('/\.tmp/i', "$node"))
- continue;
- if (is_dir ($d . $node))
- {
- /* Push new found directory. */
- $stack[] = $d . $node . '/';
- }
- elseif (is_file ($d . $node))
- {
- /* Read link informations. */
- $l = jirafeau_get_link ($node);
- if (!count ($l))
- continue;
-
- /* Filter. */
- if (!empty ($name) && !preg_match ("/$name/i", $l['file_name']))
+ $function = function($name, $file_hash, $link_hash) {
+ /* Get all links files. */
+ $stack = array(VAR_LINKS);
+ while (($d = array_shift($stack)) && $d != null) {
+ $dir = scandir($d);
+ foreach ($dir as $node) {
+ if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
+ preg_match('/\.tmp/i', "$node")) {
continue;
- if (!empty ($file_hash) && $file_hash != $l['md5'])
- continue;
- if (!empty ($link_hash) && $link_hash != $node)
- continue;
- /* Print link informations. */
- echo '<tr>';
- echo '<td>' .
- '<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'] . '" />' .
- '</form>';
- echo '</td>';
- echo '<td>' . $l['mime_type'] . '</td>';
- echo '<td>' . jirafeau_human_size ($l['file_size']) . '</td>';
- echo '<td>' . ($l['time'] == -1 ? '' : strftime ('%c', $l['time'])) .
- '</td>';
- echo '<td>' . $l['onetime'] . '</td>';
- echo '<td>' . strftime ('%c', $l['upload_date']) . '</td>';
- echo '<td>' . $l['ip'] . '</td>';
- echo '<td>' .
- '<form action = "admin.php" method = "post">' .
- '<input type = "hidden" name = "action" value = "delete_link"/>' .
- '<input type = "hidden" name = "link" value = "' . $node . '"/>' .
- '<input type = "submit" value = "' . t('Del link') . '" />' .
- '</form>' .
- '<form action = "admin.php" method = "post">' .
- '<input type = "hidden" name = "action" value = "delete_file"/>' .
- '<input type = "hidden" name = "md5" value = "' . $l['md5'] . '"/>' .
- '<input type = "submit" value = "' . t('Del file and links') . '" />' .
- '</form>' .
- '</td>';
- echo '</tr>';
+ }
+ if (is_dir($d . $node)) {
+ /* Push new found directory. */
+ $stack[] = $d . $node . '/';
+ } elseif (is_file($d . $node)) {
+ /* 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']))) {
+ continue;
+ }
+ if (!empty($file_hash) && $file_hash != $l['hash']) {
+ continue;
+ }
+ if (!empty($link_hash) && $link_hash != $node) {
+ continue;
+ }
+ /* Print link information. */
+ echo '<tr>';
+ echo '<td>' .
+ '<strong><a id="upload_link" href="f.php?h='. jirafeau_escape($node) .'" title="' .
+ t('DL_PAGE') . '">' . jirafeau_escape($l['file_name']) . '</a></strong><br/>';
+ echo t('TYPE') . ': ' . jirafeau_escape($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><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 = "hash" value = "' . $l['hash'] . '"/>' .
+ jirafeau_admin_csrf_field() .
+ '<input type = "submit" value = "' . t('DEL_FILE_LINKS') . '" />' .
+ '</form>' .
+ '</td>';
+ echo '</tr>';
+ }
}
}
- }
- echo '</table></fieldset>';
+ };
+ jirafeau_admin_list_table($name, $file_hash, $link_hash, $function);
}
/**
* Clean expired files.
* @return number of cleaned files.
*/
-function
-jirafeau_admin_clean ()
+function jirafeau_admin_clean()
{
$count = 0;
/* Get all links files. */
- $stack = array (VAR_LINKS);
- while (($d = array_shift ($stack)) && $d != NULL)
- {
- $dir = scandir ($d);
+ $stack = array(VAR_LINKS);
+ while (($d = array_shift($stack)) && $d != null) {
+ $dir = scandir($d);
- foreach ($dir as $node)
- {
- if (strcmp ($node, '.') == 0 || strcmp ($node, '..') == 0 ||
- preg_match ('/\.tmp/i', "$node"))
+ foreach ($dir as $node) {
+ if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
+ preg_match('/\.tmp/i', "$node")) {
continue;
-
- if (is_dir ($d . $node))
- {
+ }
+
+ if (is_dir($d . $node)) {
/* Push new found directory. */
$stack[] = $d . $node . '/';
- }
- elseif (is_file ($d . $node))
- {
- /* Read link informations. */
- $l = jirafeau_get_link (basename ($node));
- if (!count ($l))
+ } elseif (is_file($d . $node)) {
+ /* Read link information. */
+ $l = jirafeau_get_link(basename($node));
+ if (!count($l)) {
continue;
- $p = s2p ($l['md5']);
- if ($l['time'] > 0 && $l['time'] < time () || // expired
- !file_exists (VAR_FILES . $p . $l['md5']) || // invalid
- !file_exists (VAR_FILES . $p . $l['md5'] . '_count')) // invalid
- {
- jirafeau_delete_link ($node);
+ }
+ $p = s2p($l['hash']);
+ if ($l['time'] > 0 && $l['time'] < time() || // expired
+ !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 ()
+function jirafeau_admin_clean_async()
{
$count = 0;
/* Get all links files. */
- $stack = array (VAR_ASYNC);
- while (($d = array_shift ($stack)) && $d != NULL)
- {
- $dir = scandir ($d);
+ $stack = array(VAR_ASYNC);
+ while (($d = array_shift($stack)) && $d != null) {
+ $dir = scandir($d);
- foreach ($dir as $node)
- {
- if (strcmp ($node, '.') == 0 || strcmp ($node, '..') == 0 ||
- preg_match ('/\.tmp/i', "$node"))
+ foreach ($dir as $node) {
+ if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
+ preg_match('/\.tmp/i', "$node")) {
continue;
-
- if (is_dir ($d . $node))
- {
+ }
+
+ if (is_dir($d . $node)) {
/* Push new found directory. */
$stack[] = $d . $node . '/';
- }
- elseif (is_file ($d . $node))
- {
- /* Read async informations. */
- $a = jirafeau_get_async_ref (basename ($node));
- if (!count ($a))
+ } elseif (is_file($d . $node)) {
+ /* Read async information. */
+ $a = jirafeau_get_async_ref(basename($node));
+ if (!count($a)) {
continue;
- /* Delete transferts older than 1 hour. */
- if (date ('U') - $a['last_edited'] > 3600)
- {
- jirafeau_async_delete (basename ($node));
+ }
+ /* 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);
+}
+
+/**
+ * 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='" . JIRAFEAU_WEBSITE . "/-/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 .= "- sodium version: " . phpversion('sodium') . "<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 $out;
+}
+
/**
- * Read async transfert informations
- * @return array containing informations.
+ * Read async transfer information
+ * @return array containing information.
*/
-function
-jirafeau_get_async_ref ($ref)
+function jirafeau_get_async_ref($ref)
{
- $out = array ();
- $refinfos = VAR_ASYNC . s2p ("$ref") . "$ref";
+ $out = array();
+ $refinfos = VAR_ASYNC . s2p("$ref") . "$ref";
- if (!file_exists ($refinfos))
+ if (!file_exists($refinfos)) {
return $out;
-
- $c = file ($refinfos);
- $out['file_name'] = trim ($c[0]);
- $out['mime_type'] = trim ($c[1]);
- $out['key'] = trim ($c[2], NL);
- $out['time'] = trim ($c[3]);
- $out['onetime'] = trim ($c[4]);
- $out['ip'] = trim ($c[5]);
- $out['last_edited'] = trim ($c[6]);
- $out['next_code'] = trim ($c[7]);
+ }
+
+ $c = file($refinfos);
+ $out['file_name'] = trim($c[0]);
+ $out['mime_type'] = trim($c[1]);
+ $out['key'] = trim($c[2], NL);
+ $out['time'] = trim($c[3]);
+ $out['onetime'] = trim($c[4]);
+ $out['ip'] = trim($c[5]);
+ $out['last_edited'] = trim($c[6]);
+ $out['next_code'] = trim($c[7]);
return $out;
}
/**
- * Delete async transfert informations
- */
-function
-jirafeau_async_delete ($ref)
-{
- $p = s2p ("$ref");
- if (file_exists (VAR_ASYNC . $p . $ref))
- unlink (VAR_ASYNC . $p . $ref);
- if (file_exists (VAR_ASYNC . $p . $ref . '_data'))
- unlink (VAR_ASYNC . $p . $ref . '_data');
+ * Delete async transfer information
+ */
+function jirafeau_async_delete($ref)
+{
+ $p = s2p("$ref");
+ if (file_exists(VAR_ASYNC . $p . $ref)) {
+ unlink(VAR_ASYNC . $p . $ref);
+ }
+ if (file_exists(VAR_ASYNC . $p . $ref . '_data')) {
+ unlink(VAR_ASYNC . $p . $ref . '_data');
+ }
$parse = VAR_ASYNC . $p;
$scan = array();
- while (file_exists ($parse)
- && ($scan = scandir ($parse))
- && count ($scan) == 2 // '.' and '..' folders => empty.
- && basename ($parse) != basename (VAR_ASYNC))
- {
- rmdir ($parse);
- $parse = substr ($parse, 0, strlen($parse) - strlen(basename ($parse)) - 1);
+ while (file_exists($parse)
+ && ($scan = scandir($parse))
+ && count($scan) == 2 // '.' and '..' folders => empty.
+ && basename($parse) != basename(VAR_ASYNC)) {
+ rmdir($parse);
+ $parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
}
}
/**
* 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, $ip)
+function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
{
- $res = 'Error';
-
/* Create temporary folder. */
- $ref;
- $p;
- $code = jirafeau_gen_random (4);
- do
- {
- $ref = jirafeau_gen_random (32);
- $p = VAR_ASYNC . s2p ($ref);
- } while (file_exists ($p));
- @mkdir ($p, 0755, true);
- if (!file_exists ($p))
- {
- echo "Error";
- return;
+ $ref = '';
+ $p = '';
+ $code = jirafeau_gen_random(4);
+ do {
+ $ref = jirafeau_gen_random(32);
+ $p = VAR_ASYNC . s2p($ref);
+ } while (file_exists($p));
+ @mkdir($p, 0755, true);
+ if (!file_exists($p)) {
+ 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);
+ if (!empty($key)) {
+ $password = md5($key);
+ }
- /* Store informations. */
+ /* Store information. */
$p .= $ref;
- $handle = fopen ($p, 'w');
- fwrite ($handle,
- str_replace (NL, '', trim ($filename)) . NL .
- str_replace (NL, '', trim ($type)) . NL . $password . NL .
+ $handle = fopen($p, 'w');
+ 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 .
- date ('U') . NL . $code . NL);
- fclose ($handle);
+ time() . NL . $code . NL
+ );
+ fclose($handle);
return $ref . NL . $code ;
}
* @param $ref asynchronous upload reference
* @param $file piece of data
* @param $code client code for this operation
- * @return a string containing a next code to use or the string "Error"
+ * @param $max_file_size maximum allowed file size
+ * @return a string containing a next code to use or a string starting with 'Error'
*/
-function
-jirafeau_async_push ($ref, $data, $code)
+function jirafeau_async_push($ref, $data, $code, $max_file_size)
{
/* Get async infos. */
- $a = jirafeau_get_async_ref ($ref);
-
+ $a = jirafeau_get_async_ref($ref);
+
/* Check some errors. */
- if (count ($a) == 0
- || $a['next_code'] != "$code"
- || empty ($data['tmp_name'])
- || !is_uploaded_file ($data['tmp_name']))
- return "Error";
-
- $p = s2p ($ref);
+ 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);
+
+ /* 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: file size is above upload limit";
+ }
/* Concatenate data. */
- $r = fopen ($data['tmp_name'], 'r');
- $w = fopen (VAR_ASYNC . $p . $ref . '_data', 'a');
- while (!feof ($r))
- {
- if (fwrite ($w, fread ($r, 1024)) === false)
- {
- fclose ($r);
- fclose ($w);
- jirafeau_async_delete ($ref);
- return "Error";
+ $r = fopen($r_path, 'r');
+ $w = fopen($w_path, 'a');
+ while (!feof($r)) {
+ if (fwrite($w, fread($r, 1024)) === false) {
+ fclose($r);
+ fclose($w);
+ jirafeau_async_delete($ref);
+ return "Error: cannot write file";
}
}
- fclose ($r);
- fclose ($w);
- unlink ($data['tmp_name']);
-
+ fclose($r);
+ fclose($w);
+ unlink($r_path);
+
/* 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 .
+ $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 .
$a['time'] . NL . $a['onetime'] . NL . $a['ip'] . NL .
- date ('U') . NL . $code . NL);
- fclose ($handle);
+ 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 lenght
- * @return a string containing the download reference followed by a delete code or the string "Error"
+ * @param $link_name_length link name length
+ * @return a string containing the download reference followed by a delete code or a string starting with 'Error'
*/
-function
-jirafeau_async_end ($ref, $code, $crypt, $link_name_length)
+function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_method)
{
- if (!is_int ($link_name_length))
- $link_name_length = 8;
/* Get async infos. */
- $a = jirafeau_get_async_ref ($ref);
- if (count ($a) == 0
- || $a['next_code'] != "$code")
- return "Error";
-
- /* Generate link infos. */
- $p = VAR_ASYNC . s2p ($ref) . $ref . "_data";
- if (!file_exists($p))
- return "Error";
+ $a = jirafeau_get_async_ref($ref);
+ if (count($a) == 0
+ || $a['next_code'] != "$code") {
+ return "Error: bad code for ending transfer";
+ }
+
+ /* Generate link infos. */
+ $p = VAR_ASYNC . s2p($ref) . $ref . "_data";
+ if (!file_exists($p)) {
+ return "Error: referenced file does not exist";
+ }
$crypted = false;
$crypt_key = '';
- if ($crypt == true && extension_loaded('mcrypt'))
- {
- $cypt_key = jirafeau_encrypt_file ($p, $p);
- if (strlen($crypt_key) > 0)
- $crypted = true;
+ if ($crypt == true && extension_loaded('sodium') == true) {
+ $crypt_key = jirafeau_encrypt_file($p, $p.'.crypt');
+ if (strlen($crypt_key) > 0) {
+ if (rename($p.'.crypt', $p) === true) {
+ $crypted = true;
+ }
+ }
}
- $md5 = md5_file ($p);
+ $hash = jirafeau_hash_file($file_hash_method, $p);
$size = filesize($p);
- $np = s2p ($md5);
- $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);
-
+ $np = s2p($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 . $hash)) {
+ rename($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');
- $counter = trim ($content[0]);
+ 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 . $md5. '_count', 'w');
- fwrite ($handle, $counter);
- fclose ($handle);
-
+ $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';
- $handle = fopen ($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 .
- date ('U') . 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";
-
+ $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 . $hash . NL . $a['onetime'] . NL .
+ time() . NL . $a['ip'] . NL . $delete_link_code . NL . ($crypted ? 'C2' : 'O')
+ );
+ fclose($handle);
+ $hash_link = substr(base_16_to_64(md5_file($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);
+ jirafeau_async_delete($ref);
+ return $hash_link . NL . $delete_link_code . NL . urlencode($crypt_key);
}
-/**
- * Delete a block.
- * @param $id identifier of the block.
- */
-function
-jirafeau_block_delete_ ($id)
+function jirafeau_crypt_create_iv($base, $size)
{
- $p = VAR_BLOCK . s2p ($id);
- if (!file_exists ($p))
- return;
-
- if (file_exists ($p . $id))
- unlink ($p . $id);
- if (file_exists ($p . $id . '_infos'))
- unlink ($p . $id . '_infos');
- $parse = $p;
- $scan = array();
- while (file_exists ($parse)
- && ($scan = scandir ($parse))
- && count ($scan) == 2 // '.' and '..' folders => empty.
- && basename ($parse) != basename (VAR_BLOCK))
- {
- rmdir ($parse);
- $parse = substr ($parse, 0, strlen($parse) - strlen(basename ($parse)) - 1);
+ $iv = '';
+ while (strlen($iv) < $size) {
+ $iv = $iv . $base;
}
+ $iv = substr($iv, 0, $size);
+ return $iv;
}
/**
- * Create a file filled with zeros.
- * @param $size size of the file.
- * @return a string corresponding to an id or the string "Error"
- */
-function
-jirafeau_block_init ($size)
+ * Crypt file using Sodium and returns decrypt key.
+ * @param $fp_src file path to the file to crypt.
+ * @param $fp_dst file path to the file to write crypted file (must not be the same).
+ * @return key used to encrypt the file
+ */
+function jirafeau_encrypt_file($fp_src, $fp_dst)
{
- if (!ctype_digit ($size) || $size <= 0)
- return "Error";
-
- /* Create folder. */
- $id;
- do
- {
- $id = jirafeau_gen_random (32);
- $p = VAR_BLOCK . s2p ($id);
- } while (file_exists ($p));
- @mkdir ($p, 0755, true);
- if (!file_exists ($p))
- {
- echo "Error";
- return;
+ $fs = filesize($fp_src);
+ if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) {
+ return '';
}
- /* Create block. */
- $p .= $id;
- $h = fopen ($p, 'w');
- $fill = str_repeat ("\0", 1024);
- for ($cnt = 0; $cnt < $size; $cnt += 1024)
- {
- if ($size - $cnt < 1024)
- $fill = str_repeat ("\0", $size - $cnt);
- if (fwrite ($h, $fill) === false)
- {
- fclose ($h);
- jirafeau_block_delete_ ($id);
- return "Error";
+ /* Generate key. */
+ $crypt_key = bin2hex(random_bytes(SODIUM_CRYPTO_STREAM_XCHACHA20_KEYBYTES / 2));
+ /* Init module. */
+ [$crypt_state, $crypt_header] = sodium_crypto_secretstream_xchacha20poly1305_init_push($crypt_key);
+ /* Crypt file. */
+ $r = fopen($fp_src, 'rb');
+ $w = fopen($fp_dst, 'wb');
+ fwrite($w, $crypt_header);
+
+ for ($i = 0; $i < $fs; $i += JIRAFEAU_SODIUM_CHUNKSIZE) {
+ $to_enc = fread($r, JIRAFEAU_SODIUM_CHUNKSIZE);
+ $enc = sodium_crypto_secretstream_xchacha20poly1305_push($crypt_state, $to_enc);
+
+ if (fwrite($w, $enc) === false) {
+ return '';
}
}
- fclose ($h);
- /* Generate a write/delete code. */
- $code = jirafeau_gen_random (12);
+ fclose($r);
+ fclose($w);
- /* Add block infos. */
- if (file_put_contents ($p . '_infos', date ('U') . NL . $size . NL . $code) === FALSE)
- {
- jirafeau_block_delete_ ($id);
- return "Error";
- }
+ /* Cleanup. */
+ sodium_memzero($crypt_state);
- return $id . NL . $code;
+ return $crypt_key;
}
-/** Get block size in bytes.
- * @param $id identifier of the block
- * @return block size in bytes
- */
-function
-jirafeau_block_get_size ($id)
-{
- $p = VAR_BLOCK . s2p ($id) . $id;
- if (!file_exists ($p))
- return "Error";
-
- /* Check date. */
- $f = file ($p . '_infos');
- $date = trim ($f[0]);
- $block_size = trim ($f[1]);
- $stored_code = trim ($f[2]);
- /* Update date. */
- if (date ('U') - $date > JIRAFEAU_HOUR
- && date ('U') - $date < JIRAFEAU_MONTH)
- {
- if (file_put_contents ($p . '_infos', date ('U') . NL . $block_size . NL . $stored_code) === FALSE)
- {
- jirafeau_block_delete_ ($id);
- return "Error";
- }
+/**
+ * Decrypt file using Sodium.
+ * @param $fp_src file path to the file to decrypt.
+ * @param $fp_dst file path to the file to write decrypted file (must not be the same).
+ * @param $k decryption key
+ * @return true if decryption succeeded, false otherwise
+ */
+function jirafeau_decrypt_file($fp_src, $fp_dst, $k)
+{
+ $fs = filesize($fp_src);
+ if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) {
+ return false;
}
- /* Remove data. */
- elseif (date ('U') - $date >= JIRAFEAU_MONTH)
- {
- echo date ('U'). " $date ";
- jirafeau_block_delete_ ($id);
- return "Error";
+
+ /* Decrypt file. */
+ $r = fopen($fp_src, 'rb');
+ $w = fopen($fp_dst, 'wb');
+
+ $crypt_header = fread($r, SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES);
+
+ /* Init module. */
+ $crypt_state = sodium_crypto_secretstream_xchacha20poly1305_init_pull($crypt_header, $k);
+
+ /* Decrypt file. */
+
+ for ($i = SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES; $i < $fs; $i += JIRAFEAU_SODIUM_CHUNKSIZE + SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES) {
+ $to_dec = fread($r, JIRAFEAU_SODIUM_CHUNKSIZE + SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES);
+ [$dec, $crypt_tag] = sodium_crypto_secretstream_xchacha20poly1305_pull($crypt_state, $to_dec);
+
+ if (fwrite($w, $dec) === false) {
+ return false;
+ }
}
- return $block_size;
+ fclose($r);
+ fclose($w);
+
+ /* Cleanup. */
+ sodium_memzero($crypt_state);
+
+ return true;
}
/**
- * Read some data in a block.
- * @param $id identifier of the block
- * @param $start where to read data (starting from zero).
- * @param $length length to read.
- * @return echo data
- */
-function
-jirafeau_block_read ($id, $start, $length)
+ * Decrypt file using mcrypt.
+ * @param $fp_src file path to the file to decrypt.
+ * @param $fp_dst file path to the file to write decrypted file (could be the same).
+ * @param $k string composed of the key and the iv separated by a point ('.')
+ * @return true if decryption succeeded, false otherwise
+ */
+function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k)
{
- if (!ctype_digit ($start) || $start < 0
- || !ctype_digit ($length) || $length <= 0)
- {
- echo "Error";
- return;
+ $fs = filesize($fp_src);
+ if ($fs === false || $fs == 0 || extension_loaded('mcrypt') == false) {
+ return false;
}
- $p = VAR_BLOCK . s2p ($id) . $id;
- if (!file_exists ($p))
- {
- echo "Error";
- return;
+ /* Init module */
+ $m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
+ /* Extract key and iv. */
+ $crypt_key = $k;
+ $hash_key = md5($crypt_key);
+ $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
+ /* Init module. */
+ mcrypt_generic_init($m, $hash_key, $iv);
+ /* Decrypt file. */
+ $r = fopen($fp_src, 'r');
+ $w = fopen($fp_dst, 'c');
+ while (!feof($r)) {
+ $dec = mdecrypt_generic($m, fread($r, 1024));
+ if (fwrite($w, $dec) === false) {
+ return false;
+ }
}
+ fclose($r);
+ fclose($w);
+ /* Cleanup. */
+ mcrypt_generic_deinit($m);
+ mcrypt_module_close($m);
+ return true;
+}
- /* Check date. */
- $f = file ($p . '_infos');
- $date = trim ($f[0]);
- $block_size = trim ($f[1]);
- $stored_code = trim ($f[2]);
- /* Update date. */
- if (date ('U') - $date > JIRAFEAU_HOUR
- && date ('U') - $date < JIRAFEAU_MONTH)
- {
- if (file_put_contents ($p . '_infos', date ('U') . NL . $block_size . NL . $stored_code) === FALSE)
- {
- jirafeau_block_delete_ ($id);
- echo "Error";
- return;
- }
+/**
+ * Check if Jirafeau is password protected for visitors.
+ * @return true if Jirafeau is password protected, false otherwise.
+ */
+function jirafeau_has_upload_password($cfg)
+{
+ return count($cfg['upload_password']) > 0;
+}
+
+/**
+ * Challenge password for a visitor.
+ * @param $password password to be challenged
+ * @return true if password is valid, false otherwise.
+ */
+function jirafeau_challenge_upload_password($cfg, $password)
+{
+ if (!jirafeau_has_upload_password($cfg)) {
+ return false;
}
- /* Remove data. */
- elseif (date ('U') - $date >= JIRAFEAU_MONTH)
- {
- echo date ('U'). " $date ";
- jirafeau_block_delete_ ($id);
- echo "Error";
- return;
+ foreach ($cfg['upload_password'] as $p) {
+ if ($password == $p) {
+ return true;
+ }
}
+ return false;
+}
- if ($start + $length > $block_size)
- {
- echo "Error";
- return;
+/**
+ * Test if the given IP is whitelisted by the given list.
+ *
+ * @param $allowedIpList array of allowed IPs
+ * @param $challengedIp IP to be challenged
+ * @return true if IP is authorized, false otherwise.
+ */
+function jirafeau_challenge_ip($allowedIpList, $challengedIp)
+{
+ foreach ($allowedIpList as $i) {
+ if ($i == $challengedIp) {
+ return true;
+ }
+ // CIDR test for IPv4 only.
+ if (strpos($i, '/') !== false) {
+ list($subnet, $mask) = explode('/', $i);
+ if ((ip2long($challengedIp) & ~((1 << (32 - $mask)) - 1)) == ip2long($subnet)) {
+ return true;
+ }
+ }
}
+ return false;
+}
- /* Read content. */
- header ('Content-Length: ' . $length);
- header ('Content-Disposition: attachment');
+/**
+ * Check if Jirafeau has a restriction on the IP address for uploading.
+ * @return true if uploading is IP restricted, false otherwise.
+ */
+function jirafeau_upload_has_ip_restriction($cfg)
+{
+ return count($cfg['upload_ip']) > 0;
+}
- $r = fopen ($p, 'r');
- if (fseek ($r, $start) != 0)
- {
- echo "Error";
- return;
+/**
+ * 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;
}
- $c = 1024;
- for ($cnt = 0; $cnt < $length && !feof ($r); $cnt += 1024)
- {
- if ($length - $cnt < 1024)
- $c = $length - $cnt;
- print fread ($r, $c);
- ob_flush();
+ return jirafeau_challenge_ip($cfg['upload_ip'], $challengedIp);
+}
+
+/**
+ * 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);
+}
+
+/**
+ * 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, $ip));
+}
+
+/**
+ * Check if Jirafeau has a restriction on the IP address for accessing the admin interface.
+ * @return true if admin interface is IP restricted, false otherwise.
+ */
+function jirafeau_admin_has_ip_restriction($cfg)
+{
+ return count($cfg['admin_ip']) > 0;
+}
+
+/**
+ * Test if visitor's IP is authorized to access the admin interface.
+ *
+ * @param $cfg configuration
+ * @param $challengedIp IP to be challenged
+ * @return true if IP is authorized, false otherwise.
+ */
+function jirafeau_challenge_admin_ip($cfg, $challengedIp)
+{
+ // If no IP address have been listed, allow upload from any IP
+ if (!jirafeau_admin_has_ip_restriction($cfg)) {
+ return true;
}
- fclose ($r);
+ return jirafeau_challenge_ip($cfg['admin_ip'], $challengedIp);
+}
+
+/** Tell if we have some HTTP headers generated by a proxy */
+function has_http_forwarded()
+{
+ return
+ !empty($_SERVER['HTTP_X_FORWARDED_FOR']) ||
+ !empty($_SERVER['http_X_forwarded_for']);
}
/**
- * Write some data in a block.
- * @param $id identifier of the block
- * @param $start where to writing data (starting from zero).
- * @param $data data to write.
- * @param $code code to allow writing.
- * @return string "Ok" or string "Error".
- */
-function
-jirafeau_block_write ($id, $start, $data, $code)
-{
- if (!ctype_digit ($start) || $start < 0
- || strlen ($code) == 0)
- return "Error";
-
- $p = VAR_BLOCK . s2p ($id) . $id;
- if (!file_exists ($p))
- return "Error";
-
- /* Check date. */
- $f = file ($p . '_infos');
- $date = trim ($f[0]);
- $block_size = trim ($f[1]);
- $stored_code = trim ($f[2]);
- /* Update date. */
- if (date ('U') - $date > JIRAFEAU_HOUR
- && date ('U') - $date < JIRAFEAU_MONTH)
- {
- if (file_put_contents ($p . '_infos', date ('U') . NL . $block_size . NL . $stored_code) === FALSE)
- {
- jirafeau_block_delete_ ($id);
- return "Error";
+ * 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(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
+ if ($l === false) {
+ return array();
+ }
+ foreach ($l as $ip) {
+ array_push($ip_list, preg_replace('/\s+/', '', $ip));
}
}
- /* Remove data. */
- elseif (date ('U') - $date >= JIRAFEAU_MONTH)
- {
- jirafeau_block_delete_ ($id);
- return "Error";
+ if (!empty($_SERVER['http_X_forwarded_for'])) {
+ $l = explode(',', $_SERVER['http_X_forwarded_for']);
+ foreach ($l as $ip) {
+ // Separate IP from port
+ $ipa = explode(':', $ip);
+ if ($ipa === false) {
+ continue;
+ }
+ $ip = $ipa[0];
+ array_push($ip_list, preg_replace('/\s+/', '', $ip));
+ }
}
+ return $ip_list;
+}
- /* Check code. */
- if ($stored_code != $code)
- {
- echo "Error";
- return;
+/**
+ * Get the ip address of the client from REMOTE_ADDR
+ * or from HTTP_X_FORWARDED_FOR if behind a proxy
+ * @returns the client ip address
+ */
+function get_ip_address($cfg)
+{
+ $remote = $_SERVER['REMOTE_ADDR'];
+ if (count($cfg['proxy_ip']) == 0 || !has_http_forwarded()) {
+ return $remote;
}
- /* Check data. */
- $size = $data['size'];
- if ($size <= 0)
- return "Error";
- if ($start + $size > $block_size)
- return "Error";
-
- /* Open data. */
- $r = fopen ($data['tmp_name'], 'r');
+ $ip_list = get_ip_list_http_forwarded();
+ if (count($ip_list) == 0) {
+ return $remote;
+ }
- /* Open Block. */
- $w = fopen ($p, 'r+');
- if (fseek ($w, $start) != 0)
- return "Error";
+ foreach ($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;
+}
- /* Write content. */
- $c = 1024;
- for ($cnt = 0; $cnt <= $size && !feof ($w); $cnt += 1024)
- {
- if ($size - $cnt < 1024)
- $c = $size - $cnt;
- $d = fread ($r, $c);
- fwrite ($w, $d);
+/**
+ * Convert hexadecimal string to base64
+ */
+function hex_to_base64($hex)
+{
+ $b = '';
+ foreach (str_split($hex, 2) as $pair) {
+ $b .= chr(hexdec($pair));
}
- fclose ($r);
- fclose ($w);
- unlink ($data['tmp_name']);
- return "Ok";
+ return base64_encode($b);
}
/**
- * Delete a block.
- * @param $id identifier of the block.
- * @param $code code to allow writing.
- * @return string "Ok" or string "Error".
- */
-function
-jirafeau_block_delete ($id, $code)
+ * Replace markers in templates.
+ *
+ * Available markers have the scheme "###MARKERNAME###".
+ *
+ * @param $content string Template text with markers
+ * @param $htmllinebreaks boolean Convert linebreaks to BR-Tags
+ * @return Template with replaced markers
+ */
+function jirafeau_replace_markers($content, $htmllinebreaks = false)
{
- $p = VAR_BLOCK . s2p ($id) . $id;
+ $patterns = array(
+ '/###ORGANISATION###/',
+ '/###CONTACTPERSON###/',
+ '/###WEBROOT###/'
+ );
+ $replacements = array(
+ $GLOBALS['cfg']['organisation'],
+ $GLOBALS['cfg']['contactperson'],
+ $GLOBALS['cfg']['web_root']
+ );
+ $content = preg_replace($patterns, $replacements, $content);
+
+ if (true === $htmllinebreaks) {
+ $content = nl2br($content);
+ }
- if (!file_exists ($p))
- return "Error";
+ return $content;
+}
- $f = file ($p . '_infos');
- $date = trim ($f[0]);
- $block_size = trim ($f[1]);
- $stored_code = trim ($f[2]);
+function jirafeau_escape($string)
+{
+ return htmlspecialchars($string, ENT_QUOTES);
+}
+
+function jirafeau_admin_session_start()
+{
+ $_SESSION['admin_auth'] = true;
+ $_SESSION['admin_csrf'] = md5(uniqid(mt_rand(), true));
+}
- if ($code != $stored_code)
- return "Error";
+function jirafeau_session_end()
+{
+ $_SESSION = array();
+ session_destroy();
+}
- jirafeau_block_delete_ ($id);
- return "Ok";
+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_user_session_start()
+{
+ $_SESSION['user_auth'] = true;
+}
+
+function jirafeau_user_session_logged()
+{
+ return isset($_SESSION['user_auth']) &&
+ $_SESSION['user_auth'] === true;
+}
+
+function jirafeau_dir_size($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));
}
/**
- * Clean old unused blocks.
- * @return number of cleaned blocks.
+ * 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 $path is writable.
*/
-function
-jirafeau_admin_clean_block ()
+function jirafeau_is_writable($path)
{
- $count = 0;
- /* Get all blocks. */
- $stack = array (VAR_BLOCK);
- while (($d = array_shift ($stack)) && $d != NULL)
- {
- $dir = scandir ($d);
+ /* "@" gets rid of error messages. */
+ return is_writable($path) || @chmod($path, 0777);
+}
- foreach ($dir as $node)
- {
- if (strcmp ($node, '.') == 0 || strcmp ($node, '..') == 0)
- continue;
+function jirafeau_check_var_dir($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 />' . $mkdir_str2);
+ }
- if (is_dir ($d . $node))
- {
- /* Push new found directory. */
- $stack[] = $d . $node . '/';
- }
- elseif (is_file ($d . $node) && preg_match ('/\_infos/i', "$node"))
- {
- /* Read block informations. */
- $f = file ($d . $node);
- $date = trim ($f[0]);
- $block_size = trim ($f[1]);
- if (date ('U') - $date >= JIRAFEAU_MONTH)
- {
- jirafeau_block_delete_ (substr($node, 0, -6));
- $count++;
- }
- }
+ 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 $count;
+
+ return array('has_error' => false, 'why' => '');
}
-function
-jirafeau_crypt_create_iv($base, $size)
+function jirafeau_add_ending_slash($path)
{
- $iv = '';
- while (strlen ($iv) < $size)
- $iv = $iv . $base;
- $iv = substr($iv, 0, $size);
- return $iv;
+ return $path . ((substr($path, -1) == '/') ? '' : '/');
}
-/**
- * Crypt file and returns decrypt key.
- * @param $fp_src file path to the file to crypt.
- * @param $fp_dst file path to the file to write crypted file (could be the same).
- * @return decrypt key composed of the key and the iv separated by a point ('.')
- */
-function
-jirafeau_encrypt_file ($fp_src, $fp_dst)
+function jirafeau_default_web_root()
{
- $fs = filesize ($fp_src);
- if ($fs === false || $fs == 0 || !extension_loaded('mcrypt'))
- return '';
+ $url_scheme = (isset($_SERVER['HTTPS'])) ? 'https://' : 'http://';
+ return $url_scheme . $_SERVER['HTTP_HOST'] . str_replace('install.php', '', $_SERVER['REQUEST_URI']);
+}
- /* Prepare module. */
- $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($m));
- /* Init module. */
- mcrypt_generic_init($m, $md5_key, $iv);
- /* Crypt file. */
- $r = fopen ($fp_src, 'r');
- $w = fopen ($fp_dst, 'c');
- while (!feof ($r))
- {
- $enc = mcrypt_generic($m, fread ($r, 1024));
- if (fwrite ($w, $enc) === false)
- return '';
+function jirafeau_get_download_stats($hash)
+{
+ $filename = VAR_LINKS . s2p("$hash") . $hash . '_download';
+
+ if (!file_exists($filename)) {
+ return array('count'=>0);
}
- fclose ($r);
- fclose ($w);
- /* Cleanup. */
- mcrypt_generic_deinit($m);
- mcrypt_module_close($m);
- return $crypt_key;
+
+ $c = file($filename);
+ $data['count'] = trim($c[0]);
+ $data['date'] = trim($c[1]);
+ $data['ip'] = trim($c[2]);
+
+ return $data;
}
-/**
- * Decrypt file.
- * @param $fp_src file path to the file to decrypt.
- * @param $fp_dst file path to the file to write decrypted file (could be the same).
- * @param $k string composed of the key and the iv separated by a point ('.')
- * @return key used to decrypt. a string of length 0 is returned if failed.
- */
-function
-jirafeau_decrypt_file ($fp_src, $fp_dst, $k)
+function jirafeau_write_download_stats($hash, $ip)
{
- $fs = filesize ($fp_src);
- if ($fs === false || $fs == 0 || !extension_loaded('mcrypt'))
- return false;
+ $data = jirafeau_get_download_stats($hash);
+ $count = $data['count'];
+ $count++;
- /* Init module */
- $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));
- /* Decrypt file. */
- $r = fopen ($fp_src, 'r');
- $w = fopen ($fp_dst, 'c');
- while (!feof ($r))
+ $filename = VAR_LINKS . s2p("$hash") . $hash . '_download';
+
+ $handle = fopen($filename, 'w');
+ fwrite($handle, $count . NL . time() . NL . $ip);
+ fclose($handle);
+}
+
+function jirafeau_create_upload_finished_box($preview = true) {
+ ?>
+
+ <div id="upload_finished">
+ <p><?php echo t('FILE_UP') ?></p>
+
+ <div id="upload_finished_download_page">
+ <p>
+ <a id="upload_link" href=""><?php echo t('DL_PAGE') ?></a>
+ <a id="upload_link_email" href=""><img id="upload_image_email"/></a>
+ </p><p>
+ <code id=upload_link_text></code>
+ <button id="upload_link_button">📋</button>
+ </p>
+ </div>
+
+ <?php if ($preview == true) {
+ ?>
+ <div id="upload_finished_preview">
+ <p>
+ <a id="preview_link" href=""><?php echo t('VIEW_LINK') ?></a>
+ </p><p>
+ <code id=preview_link_text></code>
+ <button id="preview_link_button">📋</button>
+ </p>
+ </div>
+ <?php
+} ?>
+
+ <div id="upload_direct_download">
+ <p>
+ <a id="direct_link" href=""><?php echo t('DIRECT_DL') ?></a>
+ </p><p>
+ <code id=direct_link_text></code>
+ <button id="direct_link_button">📋</button>
+ </p>
+ </div>
+
+ <div id="upload_delete">
+ <p>
+ <a id="delete_link" href=""><?php echo t('DELETE_LINK') ?></a>
+ </p><p>
+ <code id=delete_link_text></code>
+ <button id="delete_link_button">📋</button>
+ </p>
+ </div>
+
+ <div id="upload_validity">
+ <p><?php echo t('VALID_UNTIL'); ?>:</p>
+ <p id="date"></p>
+ </div>
+</div>
+<?php
+}
+
+function jirafeau_get_expiration_time_options() {
+ return
+ array(
+ array(
+ 'value' => 'minute',
+ 'label' => '1_MIN'
+ ),
+ array(
+ 'value' => 'hour',
+ 'label' => '1_H'
+ ),
+ array(
+ 'value' => 'day',
+ 'label' => '1_D'
+ ),
+ array(
+ 'value' => 'week',
+ 'label' => '1_W'
+ ),
+ array(
+ 'value' => 'fortnight',
+ 'label' => '2_W'
+ ),
+ array(
+ 'value' => 'month',
+ 'label' => '1_M'
+ ),
+ array(
+ 'value' => 'quarter',
+ 'label' => '1_Q'
+ ),
+ array(
+ 'value' => 'year',
+ 'label' => '1_Y'
+ ),
+ array(
+ 'value' => 'none',
+ 'label' => 'NONE'
+ )
+ );
+}
+
+
+
+ /**
+ *
+ * creates the time selection field
+ * @param mixed $cfg
+ * @return void
+ */
+ function jirafeau_create_selection_array($cfg) {
+ echo
+ '<select name="time" id="select_time">';
+
+
+ $expirationTimeOptions = jirafeau_get_expiration_time_options();
+
+ foreach ($expirationTimeOptions as $expirationTimeOption) {
+ $selected = ($expirationTimeOption['value'] === $cfg['availability_default'])? 'selected="selected"' : '';
+ if (true === $cfg['availabilities'][$expirationTimeOption['value']]) {
+ echo '<option value="' . $expirationTimeOption['value'] . '" ' .
+ $selected . '>' . t($expirationTimeOption['label']) . '</option>';
+ }
+ }
+ echo '</select>';
+ }
+
+ function jirafeau_datestr_to_int ($time_str) {
+ $time = time();
+ switch ($time_str) {
+ case 'minute':
+ $time += JIRAFEAU_MINUTE;
+ break;
+ case 'hour':
+ $time += JIRAFEAU_HOUR;
+ break;
+ case 'day':
+ $time += JIRAFEAU_DAY;
+ break;
+ case 'week':
+ $time += JIRAFEAU_WEEK;
+ break;
+ case 'fortnight':
+ $time += JIRAFEAU_FORTNIGHT;
+ break;
+ case 'month':
+ $time += JIRAFEAU_MONTH;
+ break;
+ case 'quarter':
+ $time += JIRAFEAU_QUARTER;
+ break;
+ case 'year':
+ $time += JIRAFEAU_YEAR;
+ break;
+ default:
+ $time = JIRAFEAU_INFINITY;
+ break;
+ }
+ return $time;
+}
+
+
+
+
+/**
+ * links or copy a local file
+ * TODO: boolean in config for linking
+ * @param string $filepath
+ * @param $one_time_download is the file a one time download ?
+ * @param $key if not empty, protect the file with this key
+ * @param $time the time of validity of the file
+ * @param $ip uploader's ip
+ * @param $crypt boolean asking to crypt or not
+ * @param $link_name_length size of the link name
+ * @returns an array containing some information
+ * 'error' => information on possible errors
+ * 'link' => the link name of the uploaded file
+ * 'delete_link' => the link code to delete file
+ */
+function jirafeau_copy_local_file($local_file_path, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method) {
+
+ if (!file_exists($local_file_path)) {
+ return (array(
+ 'error' =>
+ array('has_error' => true,
+ 'why' => t('INTERNAL_ERROR_FILE_NOT_EXIST')),
+ 'link' =>'',
+ 'delete_link' => ''));
+ }
+ if(
+ // sanity check if file can be opened
+ $file = fopen($local_file_path, "r")
+ )
{
- $dec = mdecrypt_generic($m, fread ($r, 1024));
- if (fwrite ($w, $dec) === false)
- return false;
+ // close file pointer - it's not needed here
+ fclose($file);
+ $time_in_int = jirafeau_datestr_to_int($time);
+ return jirafeau_add_file(
+ jirafeau_create_file_array($local_file_path),
+ $one_time_download,
+ $key,
+ $time_in_int,
+ $ip,
+ $crypt,
+ $link_name_length,
+ $file_hash_method,
+ false
+ );
}
- fclose ($r);
- fclose ($w);
- /* Cleanup. */
- mcrypt_generic_deinit($m);
- mcrypt_module_close($m);
- return true;
+ else {
+ return (array(
+ 'error' =>
+ array('has_error' => true,
+ 'why' => t('INTERNAL_ERROR_FP_OPEN_LOCAL')),
+ 'link' =>'',
+ 'delete_link' => ''));
+ }
+
}
-?>
+
+function jirafeau_create_file_array($file_path) {
+ return
+ [
+ 'type' => mime_content_type($file_path),
+ 'tmp_name' => $file_path,
+ 'name' => basename($file_path),
+ 'size' => filesize($file_path),
+ ];
+}
git.p6c8.net / jirafeau_project.git / blobdiff