/*
* 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 <j.jutteau@gmail.com>
+ * 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 '/'
+ * @return path finishing with a '/'
*/
function
s2p ($s)
base_16_to_64 ($num)
{
$m = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
- $hex2bin = ['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
+ $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;
return $code;
}
+function
+is_ssl() {
+ if ( isset($_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)
{
jirafeau_clean_rm_file ($md5)
{
$p = s2p ("$md5");
- if (file_exists (VAR_FILES . $p . $md5))
- unlink (VAR_FILES . $p . $md5);
- if (file_exists (VAR_FILES . $p . $md5 . '_count'))
- unlink (VAR_FILES . $p . $md5 . '_count');
+ $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');
$parse = VAR_FILES . $p;
$scan = array();
while (file_exists ($parse)
* @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);
$bytes *= 1024;
case 'K':
$bytes *= 1024;
- default:
- break;
}
return $bytes;
}
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;
+ 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. ');
- break;
-
- default:
- break;
}
return t('Unknown error. ');
}
* @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 $link_name_length size of the link name
* @returns an array containing some information
* 'error' => information on possible errors
* 'link' => the link name of the uploaded file
* 'delete_link' => the link code to delete file
*/
function
-jirafeau_upload ($file, $one_time_download, $key, $time, $ip)
+jirafeau_upload ($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length)
{
if (empty ($file['tmp_name']) || !is_uploaded_file ($file['tmp_name']))
{
/* array representing no error */
$noerr = array ('has_error' => false, 'why' => '');
+ /* 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('mcrypt') == true)
+ {
+ $crypt_key = jirafeau_encrypt_file ($file['tmp_name'], $file['tmp_name']);
+ if (strlen($crypt_key) > 0)
+ $crypted = true;
+ }
+
/* file informations */
$md5 = md5_file ($file['tmp_name']);
- $name = trim ($file['name']);
+ $name = str_replace (NL, '', trim ($file['name']));
$mime_type = $file['type'];
$size = $file['size'];
fclose ($handle);
/* Create delete code. */
- $delete_link_code = jirafeau_gen_random (8);
+ $delete_link_code = jirafeau_gen_random (5);
- /* md5 password or empty */
+ /* md5 password or empty. */
$password = '';
if (!empty ($key))
$password = md5 ($key);
/* create link file */
- $link_tmp_name = VAR_LINKS . $md5 . rand (0, 10000) . ' .tmp';
+ $link_tmp_name = VAR_LINKS . $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);
+ NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O'));
fclose ($handle);
- $md5_link = base_16_to_64 (md5_file ($link_tmp_name));
+ $md5_link = substr(base_16_to_64 (md5_file ($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 . $md5_link))
{
jirafeau_clean_rm_file ($md5_link);
}
- return (array(
+ return array(
'error' =>
array ('has_error' => true,
'why' => t('Internal error during file creation. ')),
'link' =>'',
- 'delete_link' => ''));
+ 'delete_link' => '');
}
- return (array ('error' => $noerr,
+ return array ( 'error' => $noerr,
'link' => $md5_link,
- 'delete_link' => $delete_link_code));
+ 'delete_link' => $delete_link_code,
+ 'crypt_key' => $crypt_key);
}
/**
- * tells if a mime-type is viewable in a browser
+ * Tells if a mime-type is viewable in a browser
* @param $mime the mime type
* @returns a boolean telling if a mime type is viewable
*/
if (!empty ($mime))
{
/* Actually, verify if mime-type is an image or a text. */
- $viewable = array ('image', 'text');
+ $viewable = array ('image', 'text', 'video', 'audio');
$decomposed = explode ('/', $mime);
return in_array ($decomposed[0], $viewable);
}
}
}
-function check_errors ()
+function check_errors ($cfg)
{
if (file_exists (JIRAFEAU_ROOT . 'install.php')
- && !file_exists (JIRAFEAU_ROOT . 'lib/config.local.php'))
+ && !($cfg['installation_done'] === true))
{
header('Location: install.php');
exit;
if (!is_writable (VAR_ASYNC))
add_error (t('The async directory is not writable!'), VAR_ASYNC);
-
- /* 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.'));
}
/**
$out['upload_date'] = trim ($c[7]);
$out['ip'] = trim ($c[8]);
$out['link_code'] = trim ($c[9]);
+ $out['crypted'] = trim ($c[10]) == 'C';
return $out;
}
continue;
/* Filter. */
- if (!empty ($name) && !preg_match ("/$name/i", $l['file_name']))
+ if (!empty ($name) && !preg_match ("/$name/i", htmlspecialchars($l['file_name'])))
continue;
if (!empty ($file_hash) && $file_hash != $l['md5'])
continue;
'<form action = "admin.php" method = "post">' .
'<input type = "hidden" name = "action" value = "download"/>' .
'<input type = "hidden" name = "link" value = "' . $node . '"/>' .
- '<input type = "submit" value = "' . $l['file_name'] . '" />' .
+ '<input type = "submit" value = "' . htmlspecialchars($l['file_name']) . '" />' .
'</form>';
echo '</td>';
echo '<td>' . $l['mime_type'] . '</td>';
/**
* Delete async transfert informations
- */
+ */
function
jirafeau_async_delete ($ref)
{
* @param $key eventual password (or blank)
* @param $time time limit
* @param $ip ip address of the client
- * @return a string containing a temporary reference followed by a code or the string "Error"
+ * @return a string containing a temporary reference followed by a code or the string 'Error'
*/
function
jirafeau_async_init ($filename, $type, $one_time, $key, $time, $ip)
@mkdir ($p, 0755, true);
if (!file_exists ($p))
{
- echo "Error";
+ echo 'Error';
return;
}
$p .= $ref;
$handle = fopen ($p, 'w');
fwrite ($handle,
- $filename . NL. $type . NL. $password . NL. $time . NL .
- ($one_time ? 'O' : 'R') . NL . $ip . NL . date ('U') . NL .
- $code . NL);
+ str_replace (NL, '', trim ($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);
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 $max_file_size maximum allowed file size
+ * @return a string containing a next code to use or the string "Error"
*/
function
-jirafeau_async_push ($ref, $data, $code)
+jirafeau_async_push ($ref, $data, $code, $max_file_size)
{
/* Get async infos. */
$a = jirafeau_get_async_ref ($ref);
|| $a['next_code'] != "$code"
|| empty ($data['tmp_name'])
|| !is_uploaded_file ($data['tmp_name']))
- return "Error";
+ return 'Error';
$p = s2p ($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';
+ }
+
/* Concatenate data. */
- $r = fopen ($data['tmp_name'], 'r');
- $w = fopen (VAR_ASYNC . $p . $ref . '_data', 'a');
+ $r = fopen ($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";
+ return 'Error';
}
}
fclose ($r);
fclose ($w);
- unlink ($data['tmp_name']);
+ unlink ($r_path);
/* Update async file. */
$code = jirafeau_gen_random (4);
* Finalyze an asynchronous upload.
* @param $ref asynchronous upload reference
* @param $code client code for this operation
- * @return a string containing the download reference followed by a delete code or the string "Error"
+ * @param $crypt boolean asking to crypt or not
+ * @param $link_name_length link name length
+ * @return a string containing the download reference followed by a delete code or the string 'Error'
*/
function
-jirafeau_async_end ($ref, $code)
+jirafeau_async_end ($ref, $code, $crypt, $link_name_length)
{
/* Get async infos. */
$a = jirafeau_get_async_ref ($ref);
/* Generate link infos. */
$p = VAR_ASYNC . s2p ($ref) . $ref . "_data";
if (!file_exists($p))
- return "Error";
+ return 'Error';
+
+ $crypted = false;
+ $crypt_key = '';
+ if ($crypt == true && extension_loaded('mcrypt') == true)
+ {
+ $crypt_key = jirafeau_encrypt_file ($p, $p);
+ if (strlen($crypt_key) > 0)
+ $crypted = true;
+ }
+
$md5 = md5_file ($p);
$size = filesize($p);
$np = s2p ($md5);
- $delete_link_code = jirafeau_gen_random (8);
+ $delete_link_code = jirafeau_gen_random (5);
/* File already exist ? */
if (!file_exists (VAR_FILES . $np))
fclose ($handle);
/* Create link. */
- $link_tmp_name = VAR_LINKS . $md5 . rand (0, 10000) . ' .tmp';
+ $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);
+ date ('U') . NL . $a['ip'] . NL . $delete_link_code . NL . ($crypted ? 'C' : 'O'));
fclose ($handle);
- $md5_link = base_16_to_64 (md5_file ($link_tmp_name));
+ $md5_link = substr(base_16_to_64 (md5_file ($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 . $md5_link))
/* Clean async upload. */
jirafeau_async_delete ($ref);
- return $md5_link . NL . $delete_link_code;
+ return $md5_link . NL . $delete_link_code . NL . urlencode($crypt_key);
+}
+
+function
+jirafeau_crypt_create_iv($base, $size)
+{
+ $iv = '';
+ while (strlen ($iv) < $size)
+ $iv = $iv . $base;
+ $iv = substr($iv, 0, $size);
+ return $iv;
+}
+
+/**
+ * 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)
+{
+ $fs = filesize ($fp_src);
+ if ($fs === false || $fs == 0 || !(extension_loaded('mcrypt') == true))
+ return '';
+
+ /* 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, $enc) === false)
+ return '';
+ }
+ fclose ($r);
+ fclose ($w);
+ /* Cleanup. */
+ mcrypt_generic_deinit($m);
+ mcrypt_module_close($m);
+ return $crypt_key;
+}
+
+/**
+ * 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)
+{
+ $fs = filesize ($fp_src);
+ if ($fs === false || $fs == 0 || extension_loaded('mcrypt') == false)
+ return false;
+
+ /* 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))
+ {
+ $dec = mdecrypt_generic($m, fread ($r, 1024));
+ if (fwrite ($w, $dec) === false)
+ return false;
+ }
+ fclose ($r);
+ fclose ($w);
+ /* Cleanup. */
+ mcrypt_generic_deinit($m);
+ mcrypt_module_close($m);
+ return true;
+}
+
+/**
+ * Check if Jirafeau is password protected for visitors.
+ * @return true if Jirafeau is password protected, false otherwise.
+ */
+function
+jirafeau_has_upload_password ($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;
+ forEach ($cfg['upload_password'] as $p)
+ if ($password == $p)
+ return true;
+ return false;
+}
+
+/**
+ * Test if visitor's IP is authorized to upload.
+ * @param $ip IP to be challenged
+ * @return true if IP is authorized, false otherwise.
+ */
+function
+jirafeau_challenge_upload_ip ($cfg, $ip)
+{
+ if (count ($cfg['upload_ip']) == 0)
+ return true;
+ forEach ($cfg['upload_ip'] as $i)
+ {
+ if ($i == $ip)
+ return true;
+ // CIDR test for IPv4 only.
+ if (strpos ($i, '/') !== false)
+ {
+ list ($subnet, $mask) = explode('/', $i);
+ if ((ip2long ($ip) & ~((1 << (32 - $mask)) - 1) ) == ip2long ($subnet))
+ return true;
+ }
+ }
+ return false;
+}
+
+/** 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']);
+}
+
+/**
+ * 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+/', '', $ip));
+ }
+ if (!empty ($_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 $ip_list;
+}
+
+/**
+ * Get the ip address of the client from REMOTE_ADDR
+ * or from HTTP_X_FORWARDED_FOR if behind a proxy
+ * @returns the client ip address
+ */
+function
+get_ip_address($cfg)
+{
+ $remote = $_SERVER['REMOTE_ADDR'];
+ if (count ($cfg['proxy_ip']) == 0 || !has_http_forwarded ())
+ return $remote;
+
+ $ip_list = get_ip_list_http_forwarded ();
+ if (count ($ip_list) == 0)
+ return $remote;
+
+ foreach ($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 $remote;
+}
+
+/**
+ * Convert hexadecimal string to base64
+ */
+function hex_to_base64($hex)
+{
+ $b = '';
+ foreach (str_split ($hex, 2) as $pair)
+ $b .= chr (hexdec ($pair));
+ return base64_encode ($b);
}
-?>
\ No newline at end of file
+
+/**
+ * Read alias informations
+ * @return array containing informations.
+ */
+function
+jirafeau_get_alias ($hash)
+{
+ $out = array ();
+ $link = VAR_ALIAS . s2p ("$hash") . $hash;
+
+ if (!file_exists ($link))
+ return $out;
+
+ $c = file ($link);
+ $out['md5_password'] = trim ($c[0]);
+ $out['ip'] = trim ($c[1]);
+ $out['update_date'] = trim ($c[2]);
+ $out['destination'] = trim ($c[3], NL);
+
+ return $out;
+}
+
+/** Create an alias to a jirafeau's link.
+ * @param $alias alias name
+ * @param $destination reference of the destination
+ * @param $password password to protect alias
+ * @param $ip client's IP
+ * @return a string containing the edit code of the alias or the string "Error"
+ */
+function
+jirafeau_alias_create ($alias, $destination, $password, $ip)
+{
+ /* Check that alias and password are long enough. */
+ if (strlen ($alias) < 8 ||
+ strlen ($alias) > 32 ||
+ strlen ($password) < 8 ||
+ strlen ($password) > 32)
+ return 'Error';
+
+ /* Check that destination exists. */
+ $l = jirafeau_get_link ($destination);
+ if (!count ($l))
+ return 'Error';
+
+ /* Check that alias does not already exists. */
+ $alias = md5 ($alias);
+ $p = VAR_ALIAS . s2p ($alias);
+ if (file_exists ($p))
+ return 'Error';
+
+ /* Create alias folder. */
+ @mkdir ($p, 0755, true);
+ if (!file_exists ($p))
+ return 'Error';
+
+ /* Generate password. */
+ $md5_password = md5 ($password);
+
+ /* Store informations. */
+ $p .= $alias;
+ $handle = fopen ($p, 'w');
+ fwrite ($handle,
+ $md5_password . NL .
+ $ip . NL .
+ date ('U') . NL .
+ $destination . NL);
+ fclose ($handle);
+
+ return 'Ok';
+}
+
+/** Update an alias.
+ * @param $alias alias to update
+ * @param $destination reference of the new destination
+ * @param $password password to protect alias
+ * @param $new_password optional new password to protect alias
+ * @param $ip client's IP
+ * @return "Ok" or "Error" string
+ */
+function
+jirafeau_alias_update ($alias, $destination, $password,
+ $new_password, $ip)
+{
+ $alias = md5 ($alias);
+ /* Check that alias exits. */
+ $a = jirafeau_get_alias ($alias);
+ if (!count ($a))
+ return 'Error';
+
+ /* Check that destination exists. */
+ $l = jirafeau_get_link ($a["destination"]);
+ if (!count ($l))
+ return 'Error';
+
+ /* Check password. */
+ if ($a["md5_password"] != md5 ($password))
+ return 'Error';
+
+ $p = $a['md5_password'];
+ if (strlen ($new_password) >= 8 &&
+ strlen ($new_password) <= 32)
+ $p = md5 ($new_password);
+ else if (strlen ($new_password) > 0)
+ return 'Error';
+
+ /* Rewrite informations. */
+ $p = VAR_ALIAS . s2p ($alias) . $alias;
+ $handle = fopen ($p, 'w');
+ fwrite ($handle,
+ $p . NL .
+ $ip . NL .
+ date ('U') . NL .
+ $destination . NL);
+ fclose ($handle);
+ return 'Ok';
+}
+
+/** Get an alias.
+ * @param $alias alias to get
+ * @return alias destination or "Error" string
+ */
+function
+jirafeau_alias_get ($alias)
+{
+ $alias = md5 ($alias);
+ /* Check that alias exits. */
+ $a = jirafeau_get_alias ($alias);
+ if (!count ($a))
+ return 'Error';
+
+ return $a['destination'];
+}
+
+function
+jirafeau_clean_rm_alias ($alias)
+{
+ $p = s2p ("$alias");
+ if (file_exists (VAR_ALIAS . $p . $alias))
+ unlink (VAR_ALIAS . $p . $alias);
+ $parse = VAR_ALIAS . $p;
+ $scan = array();
+ while (file_exists ($parse)
+ && ($scan = scandir ($parse))
+ && count ($scan) == 2 // '.' and '..' folders => empty.
+ && basename ($parse) != basename (VAR_ALIAS))
+ {
+ rmdir ($parse);
+ $parse = substr ($parse, 0, strlen($parse) - strlen(basename ($parse)) - 1);
+ }
+}
+
+/** Delete an alias.
+ * @param $alias alias to delete
+ * @param $password password to protect alias
+ * @return "Ok" or "Error" string
+ */
+function
+jirafeau_alias_delete ($alias, $password)
+{
+ $alias = md5 ($alias);
+ /* Check that alias exits. */
+ $a = jirafeau_get_alias ($alias);
+ if (!count ($a))
+ return "Error";
+
+ /* Check password. */
+ if ($a["md5_password"] != md5 ($password))
+ return 'Error';
+
+ jirafeau_clean_rm_alias ($alias);
+ return 'Ok';
+}
+
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