';
echo '| ' .
'' .
'' .
@@ -730,7 +794,7 @@ function jirafeau_admin_clean()
/* 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;
@@ -750,7 +814,7 @@ function jirafeau_admin_clean()
/**
- * Clean old async transferts.
+ * Clean old async transfers.
* @return number of cleaned files.
*/
function jirafeau_admin_clean_async()
@@ -771,12 +835,12 @@ 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++;
@@ -786,9 +850,109 @@ function jirafeau_admin_clean_async()
}
return $count;
}
+
+/**
+ * Better strval function for debug purposes
+ */
+function jirafeau_strval($value)
+{
+ if (gettype($value) == "boolean") {
+ return $value ? 'true' : 'false';
+ }
+ return strval($value);
+}
+
/**
- * Read async transfert informations
- * @return array containing informations.
+ * Show file/folder permissions
+ */
+function jirafeau_fileperms($path)
+{
+ $out = substr(sprintf("%o", @fileperms($path)), -4) . ", ";
+ $out .= "read " . (is_readable($path) ? "OK" : "KO") . ", ";
+ $out .= "write " . (is_writable($path) ? "OK" : "KO");
+ return $out;
+}
+
+/**
+ * Show some useful informations for bug reporting.
+ */
+function jirafeau_admin_bug_report($cfg)
+{
+ $out = "";
+ return $out;
+}
+
+/**
+ * Read async transfer information
+ * @return array containing information.
*/
function jirafeau_get_async_ref($ref)
{
@@ -812,7 +976,7 @@ function jirafeau_get_async_ref($ref)
}
/**
- * Delete async transfert informations
+ * Delete async transfer information
*/
function jirafeau_async_delete($ref)
{
@@ -836,17 +1000,15 @@ 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;
$p;
@@ -857,8 +1019,7 @@ function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
} while (file_exists($p));
@mkdir($p, 0755, true);
if (!file_exists($p)) {
- echo 'Error';
- return;
+ return 'Error: cannot create async folder.';
}
/* touch empty data file */
@@ -871,7 +1032,7 @@ function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
$password = md5($key);
}
- /* Store informations. */
+ /* Store information. */
$p .= $ref;
$handle = fopen($p, 'w');
fwrite(
@@ -892,7 +1053,7 @@ function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
* @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, $max_file_size)
{
@@ -900,11 +1061,22 @@ function jirafeau_async_push($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);
@@ -917,7 +1089,7 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
if ($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. */
@@ -928,7 +1100,7 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
fclose($r);
fclose($w);
jirafeau_async_delete($ref);
- return 'Error';
+ return "Error: cannot write file";
}
}
fclose($r);
@@ -949,12 +1121,12 @@ function jirafeau_async_push($ref, $data, $code, $max_file_size)
}
/**
- * 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, $file_hash_method)
{
@@ -962,21 +1134,23 @@ function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_m
$a = jirafeau_get_async_ref($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) {
+ $crypted = true;
+ }
}
}
@@ -1011,14 +1185,16 @@ function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_m
$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 . $hash_link)) {
+ return "Error: cannot rename file in LINKS";
}
/* Clean async upload. */
@@ -1037,51 +1213,96 @@ function jirafeau_crypt_create_iv($base, $size)
}
/**
- * 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).
- * @return decrypt key composed of the key and the iv separated by a point ('.')
+ * @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)
{
$fs = filesize($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 (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;
+ }
+
+ /* 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, $dec) === false) {
+ return false;
+ }
+ }
+
+ fclose($r);
+ fclose($w);
+
+ /* Cleanup. */
+ sodium_memzero($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 $k string composed of the key and the iv separated by a point ('.')
- * @return key used to decrypt. a string of length 0 is returned if failed.
+ * @return true if decryption succeeded, false otherwise
*/
-function jirafeau_decrypt_file($fp_src, $fp_dst, $k)
+function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k)
{
$fs = filesize($fp_src);
if ($fs === false || $fs == 0 || extension_loaded('mcrypt') == false) {
@@ -1094,6 +1315,8 @@ function jirafeau_decrypt_file($fp_src, $fp_dst, $k)
$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');
@@ -1212,6 +1435,31 @@ function jirafeau_challenge_upload($cfg, $ip, $password)
(jirafeau_challenge_upload_password($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()
{
@@ -1331,7 +1579,7 @@ function jirafeau_admin_session_start()
$_SESSION['admin_csrf'] = md5(uniqid(mt_rand(), true));
}
-function jirafeau_admin_session_end()
+function jirafeau_session_end()
{
$_SESSION = array();
session_destroy();
@@ -1351,6 +1599,17 @@ function jirafeau_admin_csrf_field()
return "";
}
+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)
{
$size = 0;
@@ -1426,3 +1685,38 @@ function jirafeau_add_ending_slash($path)
{
return $path . ((substr($path, -1) == '/') ? '' : '/');
}
+
+function jirafeau_default_web_root()
+{
+ $url_scheme = (isset($_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);
+}
|