*/
/**
- * 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 .= '/';
}
# 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;
}
return $code;
}
+function jirafeau_gen_download_pass($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'])) {
// Convert UTC timestamp to a datetime field
function jirafeau_get_datetimefield($timestamp)
{
- $content = '<span class="datetime" data-datetime="' . strftime('%Y-%m-%d %H:%M', $timestamp) . '">'
- . strftime('%Y-%m-%d %H:%M', $timestamp) . ' (GMT)</span>';
+
+ $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;
}
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)
$modifier = substr($value, -1);
$bytes = substr($value, 0, -1);
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':
- $bytes *= 1024;
+ default:
+ return intval($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 $bytes;
}
return jirafeau_human_size(jirafeau_get_max_upload_size_bytes());
}
+/**
+ * get the maximal upload size for a data chunk in async uploads
+ * @param max_upload_chunk_size_bytes
+ */
+function jirafeau_get_max_upload_chunk_size_bytes($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;
+}
+
/**
* gets a string explaining the error
* @param $code the error code
function jirafeau_upload_errstr($code)
{
switch ($code) {
- case UPLOAD_ERR_INI_SIZE:
- case UPLOAD_ERR_FORM_SIZE:
- return t('Your file exceeds the maximum authorized file size. ');
+ 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_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. ');
+ 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. ');
}
/* Crypt file if option is enabled. */
$crypted = false;
$crypt_key = '';
- if ($crypt == true && !(extension_loaded('mcrypt') == true)) {
- error_log("PHP extension mcrypt not loaded, won't encrypt in Jirafeau");
+ if ($crypt == true && !(extension_loaded('sodium') == true)) {
+ error_log("PHP extension sodium not loaded, won't encrypt in Jirafeau");
}
- if ($crypt == true && extension_loaded('mcrypt') == true) {
- $crypt_key = jirafeau_encrypt_file($file['tmp_name'], $file['tmp_name']);
+ if ($crypt == true && extension_loaded('sodium') == true) {
+ $crypt_key = jirafeau_encrypt_file($file['tmp_name'], $file['tmp_name'].'crypt');
if (strlen($crypt_key) > 0) {
- $crypted = true;
+ if (rename($file['tmp_name'].'crypt', $file['tmp_name']) === true) {
+ $crypted = true;
+ }
}
}
- /* file informations */
+ /* file information */
$hash = jirafeau_hash_file($file_hash_method, $file['tmp_name']);
$name = str_replace(NL, '', trim($file['name']));
$mime_type = $file['type'];
$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')
+ NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C2' : 'O')
);
fclose($handle);
$hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
function jirafeau_is_viewable($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'));
+ }
}
- /* Checking for errors. */
if (!is_writable(VAR_FILES)) {
add_error(t('FILE_DIR_W'), VAR_FILES);
}
}
/**
- * Read link informations
- * @return array containing informations.
+ * Read link information
+ * @return array containing information.
*/
function jirafeau_get_link($hash)
{
$out['upload_date'] = trim($c[7]);
$out['ip'] = trim($c[8]);
$out['link_code'] = trim($c[9]);
- $out['crypted'] = trim($c[10]) == 'C';
+ $out['crypted'] = trim($c[10]) == 'C2';
+ $out['crypted_legacy'] = trim($c[10]) == 'C';
return $out;
}
/* 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;
}
+ $ld = jirafeau_get_download_stats($node);
/* Filter. */
if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
if (!empty($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="' .
if (strlen($l['ip']) > 0) {
echo t('ORIGIN') . ': ' . $l['ip'] . '<br/>';
}
+ echo t('DOWNLOAD_COUNT') . ': ' . $ld['count'] . '<br/>';
+ if ($ld['count'] > 0) {
+ echo t('DOWNLOAD_DATE') . ': ' . jirafeau_get_datetimefield($ld['date']) . '<br/>';
+ echo t('DOWNLOAD_IP') . ': ' . $ld['ip'] . '<br/>';
+ }
echo '</td><td>';
echo '<form method="post">' .
'<input type = "hidden" name = "action" value = "download"/>' .
/* 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;
/**
- * 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));
$count++;
'enable_crypt',
'preview',
'maximal_upload_size',
- 'store_uploader_ip'
+ 'store_uploader_ip',
+ 'max_upload_chunk_size_bytes'
];
foreach ($jirafeau_options as &$o) {
$v = $cfg[$o];
$out .= "# PHP options<br/>";
$out .= "- php version: " . phpversion() . "<br/>";
+ $out .= "- sodium version: " . phpversion('sodium') . "<br/>";
$out .= "- mcrypt version: " . phpversion('mcrypt') . "<br/>";
$php_options = [
'post_max_size',
}
/**
- * Read async transfert informations
- * @return array containing informations.
+ * Read async transfer information
+ * @return array containing information.
*/
function jirafeau_get_async_ref($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 */
$password = md5($key);
}
- /* Store informations. */
+ /* Store information. */
$p .= $ref;
$handle = fopen($p, 'w');
fwrite(
* @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);
}
/**
- * 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, $file_hash_method)
{
$a = jirafeau_get_async_ref($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;
$crypt_key = '';
- if ($crypt == true && extension_loaded('mcrypt') == true) {
- $crypt_key = jirafeau_encrypt_file($p, $p);
+ if ($crypt == true && extension_loaded('sodium') == true) {
+ $crypt_key = jirafeau_encrypt_file($p, $p.'.crypt');
if (strlen($crypt_key) > 0) {
- $crypted = true;
+ if (rename($p.'.crypt', $p) === true) {
+ $crypted = true;
+ }
}
}
$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')
+ 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 . $l, 0755, true) ||
- !rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
- return 'Error';
+ 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. */
}
/**
- * Crypt file and returns decrypt key.
+ * 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 (could be the same).
+ * @param $fp_dst file path to the file to write crypted file (must not be the same).
* @return decrypt key composed of the key and the iv separated by a point ('.')
*/
function jirafeau_encrypt_file($fp_src, $fp_dst)
{
$fs = filesize($fp_src);
- if ($fs === false || $fs == 0 || !(extension_loaded('mcrypt') == true)) {
+ if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) {
return '';
}
- /* Prepare module. */
- $m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
/* Generate key. */
- $crypt_key = jirafeau_gen_random(10);
- $hash_key = md5($crypt_key);
- $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
+ $crypt_key = bin2hex(random_bytes(SODIUM_CRYPTO_STREAM_XCHACHA20_KEYBYTES / 2));
/* Init module. */
- mcrypt_generic_init($m, $hash_key, $iv);
+ [$crypt_state, $crypt_header] = sodium_crypto_secretstream_xchacha20poly1305_init_push($crypt_key);
/* Crypt file. */
- $r = fopen($fp_src, 'r');
- $w = fopen($fp_dst, 'c');
- while (!feof($r)) {
- $enc = mcrypt_generic($m, fread($r, 1024));
+ $r = fopen($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, $enc) === false) {
- return '';
+ return '';
}
}
+
fclose($r);
fclose($w);
+
/* Cleanup. */
- mcrypt_generic_deinit($m);
- mcrypt_module_close($m);
+ sodium_memzero($crypt_state);
+
return $crypt_key;
}
/**
- * Decrypt file.
+ * 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 (could be the same).
+ * @param $fp_dst file path to the file to write decrypted file (must not 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)
+{
+ $fs = filesize($fp_src);
+ if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) {
+ return false;
+ }
+
+ /* Decrypt file. */
+ $r = fopen(VAR_FILES . $p . $link['hash'], 'rb');
+
+ $crypt_header = fread($r, SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES);
+
+ /* Init module. */
+ $crypt_state = sodium_crypto_secretstream_xchacha20poly1305_init_pull($crypt_header, $crypt_key);
+
+ /* Decrypt file. */
+
+ for ($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);
+ echo $dec;
+ }
+
+ fclose($r);
+
+ /* Cleanup. */
+ sodium_memzero($crypt_state);
+
+ return true;
+}
+
+/**
+ * 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 $k string composed of the key and the iv separated by a point ('.')
+ * @return key used to decrypt. a string of length 0 is returned if failed.
+ */
+function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k)
{
$fs = filesize($fp_src);
if ($fs === false || $fs == 0 || extension_loaded('mcrypt') == false) {
(jirafeau_challenge_upload_password($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;
+ }
+ return jirafeau_challenge_ip($cfg['admin_ip'], $challengedIp);
+}
+
/** Tell if we have some HTTP headers generated by a proxy */
function has_http_forwarded()
{
$_SESSION['admin_csrf'] = md5(uniqid(mt_rand(), true));
}
-function jirafeau_admin_session_end()
+function jirafeau_session_end()
{
$_SESSION = array();
session_destroy();
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;
function jirafeau_default_web_root()
{
- return $_SERVER['HTTP_HOST'] . str_replace(basename(__FILE__), '', $_SERVER['REQUEST_URI']);
+ $url_scheme = (isset($_SERVER['HTTPS'])) ? 'https://' : 'http://';
+ return $url_scheme . $_SERVER['HTTP_HOST'] . str_replace('install.php', '', $_SERVER['REQUEST_URI']);
+}
+
+function jirafeau_get_download_stats($hash)
+{
+ $filename = VAR_LINKS . s2p("$hash") . $hash . '_download';
+
+ if (!file_exists($filename)) {
+ return array('count'=>0);
+ }
+
+ $c = file($filename);
+ $data['count'] = trim($c[0]);
+ $data['date'] = trim($c[1]);
+ $data['ip'] = trim($c[2]);
+
+ return $data;
+}
+
+function jirafeau_write_download_stats($hash, $ip)
+{
+ $data = jirafeau_get_download_stats($hash);
+ $count = $data['count'];
+ $count++;
+
+ $filename = VAR_LINKS . s2p("$hash") . $hash . '_download';
+
+ $handle = fopen($filename, 'w');
+ fwrite($handle, $count . NL . time() . NL . $ip);
+ fclose($handle);
}
git.p6c8.net / jirafeau_project.git / blobdiff