forked from GNUsocial/gnu-social
112 lines
2.5 KiB
PHP
112 lines
2.5 KiB
PHP
<?php
|
|
|
|
/**
|
|
* OpenID protocol key-value/comma-newline format parsing and
|
|
* serialization
|
|
*
|
|
* PHP versions 4 and 5
|
|
*
|
|
* LICENSE: See the COPYING file included in this distribution.
|
|
*
|
|
* @access private
|
|
* @package OpenID
|
|
* @author JanRain, Inc. <openid@janrain.com>
|
|
* @copyright 2005-2008 Janrain, Inc.
|
|
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache
|
|
*/
|
|
|
|
/**
|
|
* Container for key-value/comma-newline OpenID format and parsing
|
|
*/
|
|
class Auth_OpenID_KVForm {
|
|
/**
|
|
* Convert an OpenID colon/newline separated string into an
|
|
* associative array
|
|
*
|
|
* @static
|
|
* @access private
|
|
*/
|
|
static function toArray($kvs, $strict=false)
|
|
{
|
|
$lines = explode("\n", $kvs);
|
|
|
|
$last = array_pop($lines);
|
|
if ($last !== '') {
|
|
array_push($lines, $last);
|
|
if ($strict) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$values = array();
|
|
|
|
for ($lineno = 0; $lineno < count($lines); $lineno++) {
|
|
$line = $lines[$lineno];
|
|
$kv = explode(':', $line, 2);
|
|
if (count($kv) != 2) {
|
|
if ($strict) {
|
|
return false;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
$key = $kv[0];
|
|
$tkey = trim($key);
|
|
if ($tkey != $key) {
|
|
if ($strict) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$value = $kv[1];
|
|
$tval = trim($value);
|
|
if ($tval != $value) {
|
|
if ($strict) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$values[$tkey] = $tval;
|
|
}
|
|
|
|
return $values;
|
|
}
|
|
|
|
/**
|
|
* Convert an array into an OpenID colon/newline separated string
|
|
*
|
|
* @static
|
|
* @access private
|
|
*/
|
|
static function fromArray($values)
|
|
{
|
|
if ($values === null) {
|
|
return null;
|
|
}
|
|
|
|
ksort($values);
|
|
|
|
$serialized = '';
|
|
foreach ($values as $key => $value) {
|
|
if (is_array($value)) {
|
|
list($key, $value) = array($value[0], $value[1]);
|
|
}
|
|
|
|
if (strpos($key, ':') !== false) {
|
|
return null;
|
|
}
|
|
|
|
if (strpos($key, "\n") !== false) {
|
|
return null;
|
|
}
|
|
|
|
if (strpos($value, "\n") !== false) {
|
|
return null;
|
|
}
|
|
$serialized .= "$key:$value\n";
|
|
}
|
|
return $serialized;
|
|
}
|
|
}
|
|
|