forked from GNUsocial/gnu-social
921 lines
26 KiB
PHP
921 lines
26 KiB
PHP
<?php
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/**
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* Extension argument processing code
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*
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* @package OpenID
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*/
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/**
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* Import tools needed to deal with messages.
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*/
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require_once 'Auth/OpenID.php';
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require_once 'Auth/OpenID/KVForm.php';
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require_once 'Auth/Yadis/XML.php';
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require_once 'Auth/OpenID/Consumer.php'; // For Auth_OpenID_FailureResponse
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// This doesn't REALLY belong here, but where is better?
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define('Auth_OpenID_IDENTIFIER_SELECT',
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"http://specs.openid.net/auth/2.0/identifier_select");
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// URI for Simple Registration extension, the only commonly deployed
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// OpenID 1.x extension, and so a special case
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define('Auth_OpenID_SREG_URI', 'http://openid.net/sreg/1.0');
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// The OpenID 1.X namespace URI
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define('Auth_OpenID_OPENID1_NS', 'http://openid.net/signon/1.0');
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define('Auth_OpenID_THE_OTHER_OPENID1_NS', 'http://openid.net/signon/1.1');
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function Auth_OpenID_isOpenID1($ns)
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{
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return ($ns == Auth_OpenID_THE_OTHER_OPENID1_NS) ||
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($ns == Auth_OpenID_OPENID1_NS);
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}
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// The OpenID 2.0 namespace URI
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define('Auth_OpenID_OPENID2_NS', 'http://specs.openid.net/auth/2.0');
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// The namespace consisting of pairs with keys that are prefixed with
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// "openid." but not in another namespace.
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define('Auth_OpenID_NULL_NAMESPACE', 'Null namespace');
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// The null namespace, when it is an allowed OpenID namespace
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define('Auth_OpenID_OPENID_NS', 'OpenID namespace');
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// The top-level namespace, excluding all pairs with keys that start
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// with "openid."
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define('Auth_OpenID_BARE_NS', 'Bare namespace');
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// Sentinel for Message implementation to indicate that getArg should
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// return null instead of returning a default.
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define('Auth_OpenID_NO_DEFAULT', 'NO DEFAULT ALLOWED');
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// Limit, in bytes, of identity provider and return_to URLs, including
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// response payload. See OpenID 1.1 specification, Appendix D.
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define('Auth_OpenID_OPENID1_URL_LIMIT', 2047);
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// All OpenID protocol fields. Used to check namespace aliases.
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global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;
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$Auth_OpenID_OPENID_PROTOCOL_FIELDS = array(
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'ns', 'mode', 'error', 'return_to', 'contact', 'reference',
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'signed', 'assoc_type', 'session_type', 'dh_modulus', 'dh_gen',
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'dh_consumer_public', 'claimed_id', 'identity', 'realm',
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'invalidate_handle', 'op_endpoint', 'response_nonce', 'sig',
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'assoc_handle', 'trust_root', 'openid');
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// Global namespace / alias registration map. See
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// Auth_OpenID_registerNamespaceAlias.
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global $Auth_OpenID_registered_aliases;
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$Auth_OpenID_registered_aliases = array();
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/**
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* Registers a (namespace URI, alias) mapping in a global namespace
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* alias map. Raises NamespaceAliasRegistrationError if either the
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* namespace URI or alias has already been registered with a different
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* value. This function is required if you want to use a namespace
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* with an OpenID 1 message.
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*/
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function Auth_OpenID_registerNamespaceAlias($namespace_uri, $alias)
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{
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global $Auth_OpenID_registered_aliases;
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if (Auth_OpenID::arrayGet($Auth_OpenID_registered_aliases,
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$alias) == $namespace_uri) {
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return true;
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}
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if (in_array($namespace_uri,
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array_values($Auth_OpenID_registered_aliases))) {
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return false;
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}
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if (in_array($alias, array_keys($Auth_OpenID_registered_aliases))) {
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return false;
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}
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$Auth_OpenID_registered_aliases[$alias] = $namespace_uri;
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return true;
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}
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/**
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* Removes a (namespace_uri, alias) registration from the global
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* namespace alias map. Returns true if the removal succeeded; false
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* if not (if the mapping did not exist).
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*/
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function Auth_OpenID_removeNamespaceAlias($namespace_uri, $alias)
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{
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global $Auth_OpenID_registered_aliases;
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if (Auth_OpenID::arrayGet($Auth_OpenID_registered_aliases,
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$alias) === $namespace_uri) {
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unset($Auth_OpenID_registered_aliases[$alias]);
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return true;
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}
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return false;
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}
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/**
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* An Auth_OpenID_Mapping maintains a mapping from arbitrary keys to
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* arbitrary values. (This is unlike an ordinary PHP array, whose
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* keys may be only simple scalars.)
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*
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* @package OpenID
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*/
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class Auth_OpenID_Mapping {
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/**
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* Initialize a mapping. If $classic_array is specified, its keys
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* and values are used to populate the mapping.
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*/
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function Auth_OpenID_Mapping($classic_array = null)
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{
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$this->keys = array();
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$this->values = array();
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if (is_array($classic_array)) {
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foreach ($classic_array as $key => $value) {
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$this->set($key, $value);
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}
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}
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}
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/**
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* Returns true if $thing is an Auth_OpenID_Mapping object; false
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* if not.
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*/
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static function isA($thing)
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{
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return (is_object($thing) &&
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strtolower(get_class($thing)) == 'auth_openid_mapping');
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}
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/**
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* Returns an array of the keys in the mapping.
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*/
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function keys()
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{
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return $this->keys;
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}
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/**
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* Returns an array of values in the mapping.
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*/
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function values()
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{
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return $this->values;
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}
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/**
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* Returns an array of (key, value) pairs in the mapping.
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*/
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function items()
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{
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$temp = array();
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for ($i = 0; $i < count($this->keys); $i++) {
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$temp[] = array($this->keys[$i],
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$this->values[$i]);
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}
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return $temp;
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}
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/**
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* Returns the "length" of the mapping, or the number of keys.
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*/
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function len()
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{
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return count($this->keys);
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}
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/**
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* Sets a key-value pair in the mapping. If the key already
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* exists, its value is replaced with the new value.
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*/
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function set($key, $value)
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{
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$index = array_search($key, $this->keys);
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if ($index !== false) {
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$this->values[$index] = $value;
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} else {
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$this->keys[] = $key;
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$this->values[] = $value;
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}
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}
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/**
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* Gets a specified value from the mapping, associated with the
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* specified key. If the key does not exist in the mapping,
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* $default is returned instead.
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*/
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function get($key, $default = null)
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{
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$index = array_search($key, $this->keys);
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if ($index !== false) {
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return $this->values[$index];
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} else {
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return $default;
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}
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}
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/**
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* @access private
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*/
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function _reflow()
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{
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// PHP is broken yet again. Sort the arrays to remove the
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// hole in the numeric indexes that make up the array.
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$old_keys = $this->keys;
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$old_values = $this->values;
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$this->keys = array();
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$this->values = array();
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foreach ($old_keys as $k) {
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$this->keys[] = $k;
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}
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foreach ($old_values as $v) {
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$this->values[] = $v;
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}
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}
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/**
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* Deletes a key-value pair from the mapping with the specified
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* key.
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*/
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function del($key)
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{
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$index = array_search($key, $this->keys);
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if ($index !== false) {
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unset($this->keys[$index]);
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unset($this->values[$index]);
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$this->_reflow();
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return true;
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}
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return false;
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}
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/**
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* Returns true if the specified value has a key in the mapping;
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* false if not.
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*/
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function contains($value)
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{
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return (array_search($value, $this->keys) !== false);
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}
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}
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/**
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* Maintains a bijective map between namespace uris and aliases.
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*
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* @package OpenID
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*/
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class Auth_OpenID_NamespaceMap {
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function Auth_OpenID_NamespaceMap()
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{
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$this->alias_to_namespace = new Auth_OpenID_Mapping();
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$this->namespace_to_alias = new Auth_OpenID_Mapping();
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$this->implicit_namespaces = array();
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}
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function getAlias($namespace_uri)
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{
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return $this->namespace_to_alias->get($namespace_uri);
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}
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function getNamespaceURI($alias)
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{
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return $this->alias_to_namespace->get($alias);
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}
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function iterNamespaceURIs()
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{
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// Return an iterator over the namespace URIs
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return $this->namespace_to_alias->keys();
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}
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function iterAliases()
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{
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// Return an iterator over the aliases"""
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return $this->alias_to_namespace->keys();
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}
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function iteritems()
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{
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return $this->namespace_to_alias->items();
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}
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function isImplicit($namespace_uri)
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{
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return in_array($namespace_uri, $this->implicit_namespaces);
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}
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function addAlias($namespace_uri, $desired_alias, $implicit=false)
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{
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// Add an alias from this namespace URI to the desired alias
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global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;
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// Check that desired_alias is not an openid protocol field as
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// per the spec.
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if (in_array($desired_alias, $Auth_OpenID_OPENID_PROTOCOL_FIELDS)) {
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Auth_OpenID::log("\"%s\" is not an allowed namespace alias",
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$desired_alias);
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return null;
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}
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// Check that desired_alias does not contain a period as per
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// the spec.
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if (strpos($desired_alias, '.') !== false) {
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Auth_OpenID::log('"%s" must not contain a dot', $desired_alias);
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return null;
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}
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// Check that there is not a namespace already defined for the
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// desired alias
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$current_namespace_uri =
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$this->alias_to_namespace->get($desired_alias);
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if (($current_namespace_uri !== null) &&
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($current_namespace_uri != $namespace_uri)) {
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Auth_OpenID::log('Cannot map "%s" because previous mapping exists',
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$namespace_uri);
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return null;
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}
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// Check that there is not already a (different) alias for
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// this namespace URI
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$alias = $this->namespace_to_alias->get($namespace_uri);
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if (($alias !== null) && ($alias != $desired_alias)) {
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Auth_OpenID::log('Cannot map %s to alias %s. ' .
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'It is already mapped to alias %s',
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$namespace_uri, $desired_alias, $alias);
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return null;
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}
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assert((Auth_OpenID_NULL_NAMESPACE === $desired_alias) ||
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is_string($desired_alias));
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$this->alias_to_namespace->set($desired_alias, $namespace_uri);
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$this->namespace_to_alias->set($namespace_uri, $desired_alias);
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if ($implicit) {
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array_push($this->implicit_namespaces, $namespace_uri);
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}
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return $desired_alias;
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}
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function add($namespace_uri)
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{
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// Add this namespace URI to the mapping, without caring what
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// alias it ends up with
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// See if this namespace is already mapped to an alias
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$alias = $this->namespace_to_alias->get($namespace_uri);
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if ($alias !== null) {
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return $alias;
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}
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// Fall back to generating a numerical alias
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$i = 0;
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while (1) {
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$alias = 'ext' . strval($i);
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if ($this->addAlias($namespace_uri, $alias) === null) {
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$i += 1;
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} else {
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return $alias;
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}
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}
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// Should NEVER be reached!
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return null;
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}
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function contains($namespace_uri)
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{
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return $this->isDefined($namespace_uri);
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}
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function isDefined($namespace_uri)
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{
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return $this->namespace_to_alias->contains($namespace_uri);
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}
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}
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/**
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* In the implementation of this object, null represents the global
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* namespace as well as a namespace with no key.
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*
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* @package OpenID
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*/
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class Auth_OpenID_Message {
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function Auth_OpenID_Message($openid_namespace = null)
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{
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// Create an empty Message
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$this->allowed_openid_namespaces = array(
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Auth_OpenID_OPENID1_NS,
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Auth_OpenID_THE_OTHER_OPENID1_NS,
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Auth_OpenID_OPENID2_NS);
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$this->args = new Auth_OpenID_Mapping();
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$this->namespaces = new Auth_OpenID_NamespaceMap();
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if ($openid_namespace === null) {
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$this->_openid_ns_uri = null;
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} else {
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$implicit = Auth_OpenID_isOpenID1($openid_namespace);
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$this->setOpenIDNamespace($openid_namespace, $implicit);
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}
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}
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function isOpenID1()
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{
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return Auth_OpenID_isOpenID1($this->getOpenIDNamespace());
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}
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function isOpenID2()
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{
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return $this->getOpenIDNamespace() == Auth_OpenID_OPENID2_NS;
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}
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static function fromPostArgs($args)
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{
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// Construct a Message containing a set of POST arguments
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$obj = new Auth_OpenID_Message();
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// Partition into "openid." args and bare args
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$openid_args = array();
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foreach ($args as $key => $value) {
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if (is_array($value)) {
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return null;
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}
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$parts = explode('.', $key, 2);
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if (count($parts) == 2) {
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list($prefix, $rest) = $parts;
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} else {
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$prefix = null;
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}
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if ($prefix != 'openid') {
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$obj->args->set(array(Auth_OpenID_BARE_NS, $key), $value);
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} else {
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$openid_args[$rest] = $value;
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}
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}
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if ($obj->_fromOpenIDArgs($openid_args)) {
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return $obj;
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} else {
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return null;
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}
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}
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static function fromOpenIDArgs($openid_args)
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{
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// Takes an array.
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// Construct a Message from a parsed KVForm message
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$obj = new Auth_OpenID_Message();
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if ($obj->_fromOpenIDArgs($openid_args)) {
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return $obj;
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} else {
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return null;
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}
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}
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/**
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* @access private
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*/
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function _fromOpenIDArgs($openid_args)
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{
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global $Auth_OpenID_registered_aliases;
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// Takes an Auth_OpenID_Mapping instance OR an array.
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if (!Auth_OpenID_Mapping::isA($openid_args)) {
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$openid_args = new Auth_OpenID_Mapping($openid_args);
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}
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$ns_args = array();
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// Resolve namespaces
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foreach ($openid_args->items() as $pair) {
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list($rest, $value) = $pair;
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$parts = explode('.', $rest, 2);
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if (count($parts) == 2) {
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list($ns_alias, $ns_key) = $parts;
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} else {
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$ns_alias = Auth_OpenID_NULL_NAMESPACE;
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$ns_key = $rest;
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}
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if ($ns_alias == 'ns') {
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if ($this->namespaces->addAlias($value, $ns_key) === null) {
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return false;
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}
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} else if (($ns_alias == Auth_OpenID_NULL_NAMESPACE) &&
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($ns_key == 'ns')) {
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// null namespace
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if ($this->setOpenIDNamespace($value, false) === false) {
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return false;
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}
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} else {
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$ns_args[] = array($ns_alias, $ns_key, $value);
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}
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}
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if (!$this->getOpenIDNamespace()) {
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if ($this->setOpenIDNamespace(Auth_OpenID_OPENID1_NS, true) ===
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false) {
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return false;
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}
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}
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// Actually put the pairs into the appropriate namespaces
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foreach ($ns_args as $triple) {
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list($ns_alias, $ns_key, $value) = $triple;
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$ns_uri = $this->namespaces->getNamespaceURI($ns_alias);
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if ($ns_uri === null) {
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$ns_uri = $this->_getDefaultNamespace($ns_alias);
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if ($ns_uri === null) {
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$ns_uri = Auth_OpenID_OPENID_NS;
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$ns_key = sprintf('%s.%s', $ns_alias, $ns_key);
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} else {
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$this->namespaces->addAlias($ns_uri, $ns_alias, true);
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}
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}
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$this->setArg($ns_uri, $ns_key, $value);
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}
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return true;
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}
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function _getDefaultNamespace($mystery_alias)
|
|
{
|
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global $Auth_OpenID_registered_aliases;
|
|
if ($this->isOpenID1()) {
|
|
return @$Auth_OpenID_registered_aliases[$mystery_alias];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function setOpenIDNamespace($openid_ns_uri, $implicit)
|
|
{
|
|
if (!in_array($openid_ns_uri, $this->allowed_openid_namespaces)) {
|
|
Auth_OpenID::log('Invalid null namespace: "%s"', $openid_ns_uri);
|
|
return false;
|
|
}
|
|
|
|
$succeeded = $this->namespaces->addAlias($openid_ns_uri,
|
|
Auth_OpenID_NULL_NAMESPACE,
|
|
$implicit);
|
|
if ($succeeded === false) {
|
|
return false;
|
|
}
|
|
|
|
$this->_openid_ns_uri = $openid_ns_uri;
|
|
|
|
return true;
|
|
}
|
|
|
|
function getOpenIDNamespace()
|
|
{
|
|
return $this->_openid_ns_uri;
|
|
}
|
|
|
|
static function fromKVForm($kvform_string)
|
|
{
|
|
// Create a Message from a KVForm string
|
|
return Auth_OpenID_Message::fromOpenIDArgs(
|
|
Auth_OpenID_KVForm::toArray($kvform_string));
|
|
}
|
|
|
|
function copy()
|
|
{
|
|
return $this;
|
|
}
|
|
|
|
function toPostArgs()
|
|
{
|
|
// Return all arguments with openid. in front of namespaced
|
|
// arguments.
|
|
|
|
$args = array();
|
|
|
|
// Add namespace definitions to the output
|
|
foreach ($this->namespaces->iteritems() as $pair) {
|
|
list($ns_uri, $alias) = $pair;
|
|
if ($this->namespaces->isImplicit($ns_uri)) {
|
|
continue;
|
|
}
|
|
if ($alias == Auth_OpenID_NULL_NAMESPACE) {
|
|
$ns_key = 'openid.ns';
|
|
} else {
|
|
$ns_key = 'openid.ns.' . $alias;
|
|
}
|
|
$args[$ns_key] = $ns_uri;
|
|
}
|
|
|
|
foreach ($this->args->items() as $pair) {
|
|
list($ns_parts, $value) = $pair;
|
|
list($ns_uri, $ns_key) = $ns_parts;
|
|
$key = $this->getKey($ns_uri, $ns_key);
|
|
$args[$key] = $value;
|
|
}
|
|
|
|
return $args;
|
|
}
|
|
|
|
function toArgs()
|
|
{
|
|
// Return all namespaced arguments, failing if any
|
|
// non-namespaced arguments exist.
|
|
$post_args = $this->toPostArgs();
|
|
$kvargs = array();
|
|
foreach ($post_args as $k => $v) {
|
|
if (strpos($k, 'openid.') !== 0) {
|
|
// raise ValueError(
|
|
// 'This message can only be encoded as a POST, because it '
|
|
// 'contains arguments that are not prefixed with "openid."')
|
|
return null;
|
|
} else {
|
|
$kvargs[substr($k, 7)] = $v;
|
|
}
|
|
}
|
|
|
|
return $kvargs;
|
|
}
|
|
|
|
function toFormMarkup($action_url, $form_tag_attrs = null,
|
|
$submit_text = "Continue")
|
|
{
|
|
$form = "<form accept-charset=\"UTF-8\" ".
|
|
"enctype=\"application/x-www-form-urlencoded\"";
|
|
|
|
if (!$form_tag_attrs) {
|
|
$form_tag_attrs = array();
|
|
}
|
|
|
|
$form_tag_attrs['action'] = $action_url;
|
|
$form_tag_attrs['method'] = 'post';
|
|
|
|
unset($form_tag_attrs['enctype']);
|
|
unset($form_tag_attrs['accept-charset']);
|
|
|
|
if ($form_tag_attrs) {
|
|
foreach ($form_tag_attrs as $name => $attr) {
|
|
$form .= sprintf(" %s=\"%s\"", $name, htmlspecialchars($attr));
|
|
}
|
|
}
|
|
|
|
$form .= ">\n";
|
|
|
|
foreach ($this->toPostArgs() as $name => $value) {
|
|
$form .= sprintf(
|
|
"<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
|
|
htmlspecialchars($name), htmlspecialchars($value));
|
|
}
|
|
|
|
$form .= sprintf("<input type=\"submit\" value=\"%s\" />\n",
|
|
htmlspecialchars($submit_text));
|
|
|
|
$form .= "</form>\n";
|
|
|
|
return $form;
|
|
}
|
|
|
|
function toURL($base_url)
|
|
{
|
|
// Generate a GET URL with the parameters in this message
|
|
// attached as query parameters.
|
|
return Auth_OpenID::appendArgs($base_url, $this->toPostArgs());
|
|
}
|
|
|
|
function toKVForm()
|
|
{
|
|
// Generate a KVForm string that contains the parameters in
|
|
// this message. This will fail if the message contains
|
|
// arguments outside of the 'openid.' prefix.
|
|
return Auth_OpenID_KVForm::fromArray($this->toArgs());
|
|
}
|
|
|
|
function toURLEncoded()
|
|
{
|
|
// Generate an x-www-urlencoded string
|
|
$args = array();
|
|
|
|
foreach ($this->toPostArgs() as $k => $v) {
|
|
$args[] = array($k, $v);
|
|
}
|
|
|
|
sort($args);
|
|
return Auth_OpenID::httpBuildQuery($args);
|
|
}
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function _fixNS($namespace)
|
|
{
|
|
// Convert an input value into the internally used values of
|
|
// this object
|
|
|
|
if ($namespace == Auth_OpenID_OPENID_NS) {
|
|
if ($this->_openid_ns_uri === null) {
|
|
return new Auth_OpenID_FailureResponse(null,
|
|
'OpenID namespace not set');
|
|
} else {
|
|
$namespace = $this->_openid_ns_uri;
|
|
}
|
|
}
|
|
|
|
if (($namespace != Auth_OpenID_BARE_NS) &&
|
|
(!is_string($namespace))) {
|
|
//TypeError
|
|
$err_msg = sprintf("Namespace must be Auth_OpenID_BARE_NS, ".
|
|
"Auth_OpenID_OPENID_NS or a string. got %s",
|
|
print_r($namespace, true));
|
|
return new Auth_OpenID_FailureResponse(null, $err_msg);
|
|
}
|
|
|
|
if (($namespace != Auth_OpenID_BARE_NS) &&
|
|
(strpos($namespace, ':') === false)) {
|
|
// fmt = 'OpenID 2.0 namespace identifiers SHOULD be URIs. Got %r'
|
|
// warnings.warn(fmt % (namespace,), DeprecationWarning)
|
|
|
|
if ($namespace == 'sreg') {
|
|
// fmt = 'Using %r instead of "sreg" as namespace'
|
|
// warnings.warn(fmt % (SREG_URI,), DeprecationWarning,)
|
|
return Auth_OpenID_SREG_URI;
|
|
}
|
|
}
|
|
|
|
return $namespace;
|
|
}
|
|
|
|
function hasKey($namespace, $ns_key)
|
|
{
|
|
$namespace = $this->_fixNS($namespace);
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
// XXX log me
|
|
return false;
|
|
} else {
|
|
return $this->args->contains(array($namespace, $ns_key));
|
|
}
|
|
}
|
|
|
|
function getKey($namespace, $ns_key)
|
|
{
|
|
// Get the key for a particular namespaced argument
|
|
$namespace = $this->_fixNS($namespace);
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
return $namespace;
|
|
}
|
|
if ($namespace == Auth_OpenID_BARE_NS) {
|
|
return $ns_key;
|
|
}
|
|
|
|
$ns_alias = $this->namespaces->getAlias($namespace);
|
|
|
|
// No alias is defined, so no key can exist
|
|
if ($ns_alias === null) {
|
|
return null;
|
|
}
|
|
|
|
if ($ns_alias == Auth_OpenID_NULL_NAMESPACE) {
|
|
$tail = $ns_key;
|
|
} else {
|
|
$tail = sprintf('%s.%s', $ns_alias, $ns_key);
|
|
}
|
|
|
|
return 'openid.' . $tail;
|
|
}
|
|
|
|
function getArg($namespace, $key, $default = null)
|
|
{
|
|
// Get a value for a namespaced key.
|
|
$namespace = $this->_fixNS($namespace);
|
|
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
return $namespace;
|
|
} else {
|
|
if ((!$this->args->contains(array($namespace, $key))) &&
|
|
($default == Auth_OpenID_NO_DEFAULT)) {
|
|
$err_msg = sprintf("Namespace %s missing required field %s",
|
|
$namespace, $key);
|
|
return new Auth_OpenID_FailureResponse(null, $err_msg);
|
|
} else {
|
|
return $this->args->get(array($namespace, $key), $default);
|
|
}
|
|
}
|
|
}
|
|
|
|
function getArgs($namespace)
|
|
{
|
|
// Get the arguments that are defined for this namespace URI
|
|
|
|
$namespace = $this->_fixNS($namespace);
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
return $namespace;
|
|
} else {
|
|
$stuff = array();
|
|
foreach ($this->args->items() as $pair) {
|
|
list($key, $value) = $pair;
|
|
list($pair_ns, $ns_key) = $key;
|
|
if ($pair_ns == $namespace) {
|
|
$stuff[$ns_key] = $value;
|
|
}
|
|
}
|
|
|
|
return $stuff;
|
|
}
|
|
}
|
|
|
|
function updateArgs($namespace, $updates)
|
|
{
|
|
// Set multiple key/value pairs in one call
|
|
|
|
$namespace = $this->_fixNS($namespace);
|
|
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
return $namespace;
|
|
} else {
|
|
foreach ($updates as $k => $v) {
|
|
$this->setArg($namespace, $k, $v);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function setArg($namespace, $key, $value)
|
|
{
|
|
// Set a single argument in this namespace
|
|
$namespace = $this->_fixNS($namespace);
|
|
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
return $namespace;
|
|
} else {
|
|
$this->args->set(array($namespace, $key), $value);
|
|
if ($namespace !== Auth_OpenID_BARE_NS) {
|
|
$this->namespaces->add($namespace);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function delArg($namespace, $key)
|
|
{
|
|
$namespace = $this->_fixNS($namespace);
|
|
|
|
if (Auth_OpenID::isFailure($namespace)) {
|
|
return $namespace;
|
|
} else {
|
|
return $this->args->del(array($namespace, $key));
|
|
}
|
|
}
|
|
|
|
function getAliasedArg($aliased_key, $default = null)
|
|
{
|
|
if ($aliased_key == 'ns') {
|
|
// Return the namespace URI for the OpenID namespace
|
|
return $this->getOpenIDNamespace();
|
|
}
|
|
|
|
$parts = explode('.', $aliased_key, 2);
|
|
|
|
if (count($parts) != 2) {
|
|
$ns = null;
|
|
} else {
|
|
list($alias, $key) = $parts;
|
|
|
|
if ($alias == 'ns') {
|
|
// Return the namespace URI for a namespace alias
|
|
// parameter.
|
|
return $this->namespaces->getNamespaceURI($key);
|
|
} else {
|
|
$ns = $this->namespaces->getNamespaceURI($alias);
|
|
}
|
|
}
|
|
|
|
if ($ns === null) {
|
|
$key = $aliased_key;
|
|
$ns = $this->getOpenIDNamespace();
|
|
}
|
|
|
|
return $this->getArg($ns, $key, $default);
|
|
}
|
|
}
|
|
|
|
|