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