removed old libraries - depends on openid_api now

1 files changed, 0 insertions, 895 deletions

diff --git a/models/Auth.old/OpenID/Message.php b/models/Auth.old/OpenID/Message.php
deleted file mode 100644
index 8a02ab22c..000000000
--- a/models/Auth.old/OpenID/Message.php
+++ /dev/null
@@ -1,895 +0,0 @@
-<?php
-
-/**
- * Extension argument processing code
- *
- * @package OpenID
- */
-
-/**
- * Import tools needed to deal with messages.
- */
-require_once 'Auth/OpenID.php';
-require_once 'Auth/OpenID/KVForm.php';
-require_once 'Auth/Yadis/XML.php';
-
-// This doesn't REALLY belong here, but where is better?
-define('Auth_OpenID_IDENTIFIER_SELECT',
-       "http://specs.openid.net/auth/2.0/identifier_select");
-
-// URI for Simple Registration extension, the only commonly deployed
-// OpenID 1.x extension, and so a special case
-define('Auth_OpenID_SREG_URI', 'http://openid.net/sreg/1.0');
-
-// The OpenID 1.X namespace URI
-define('Auth_OpenID_OPENID1_NS', 'http://openid.net/signon/1.0');
-
-// The OpenID 2.0 namespace URI
-define('Auth_OpenID_OPENID2_NS', 'http://specs.openid.net/auth/2.0');
-
-// The namespace consisting of pairs with keys that are prefixed with
-// "openid."  but not in another namespace.
-define('Auth_OpenID_NULL_NAMESPACE', 'Null namespace');
-
-// The null namespace, when it is an allowed OpenID namespace
-define('Auth_OpenID_OPENID_NS', 'OpenID namespace');
-
-// The top-level namespace, excluding all pairs with keys that start
-// with "openid."
-define('Auth_OpenID_BARE_NS', 'Bare namespace');
-
-// Sentinel for Message implementation to indicate that getArg should
-// return null instead of returning a default.
-define('Auth_OpenID_NO_DEFAULT', 'NO DEFAULT ALLOWED');
-
-// Limit, in bytes, of identity provider and return_to URLs, including
-// response payload.  See OpenID 1.1 specification, Appendix D.
-define('Auth_OpenID_OPENID1_URL_LIMIT', 2047);
-
-// All OpenID protocol fields.  Used to check namespace aliases.
-global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;
-$Auth_OpenID_OPENID_PROTOCOL_FIELDS = array(
-    'ns', 'mode', 'error', 'return_to', 'contact', 'reference',
-    'signed', 'assoc_type', 'session_type', 'dh_modulus', 'dh_gen',
-    'dh_consumer_public', 'claimed_id', 'identity', 'realm',
-    'invalidate_handle', 'op_endpoint', 'response_nonce', 'sig',
-    'assoc_handle', 'trust_root', 'openid');
-
-// Global namespace / alias registration map.  See
-// Auth_OpenID_registerNamespaceAlias.
-global $Auth_OpenID_registered_aliases;
-$Auth_OpenID_registered_aliases = array();
-
-/**
- * Registers a (namespace URI, alias) mapping in a global namespace
- * alias map.  Raises NamespaceAliasRegistrationError if either the
- * namespace URI or alias has already been registered with a different
- * value.  This function is required if you want to use a namespace
- * with an OpenID 1 message.
- */
-function Auth_OpenID_registerNamespaceAlias($namespace_uri, $alias)
-{
-    global $Auth_OpenID_registered_aliases;
-
-    if (Auth_OpenID::arrayGet($Auth_OpenID_registered_aliases,
-                              $alias) == $namespace_uri) {
-        return true;
-    }
-
-    if (in_array($namespace_uri,
-                 array_values($Auth_OpenID_registered_aliases))) {
-        return false;
-    }
-
-    if (in_array($alias, array_keys($Auth_OpenID_registered_aliases))) {
-        return false;
-    }
-
-    $Auth_OpenID_registered_aliases[$alias] = $namespace_uri;
-    return true;
-}
-
-/**
- * Removes a (namespace_uri, alias) registration from the global
- * namespace alias map.  Returns true if the removal succeeded; false
- * if not (if the mapping did not exist).
- */
-function Auth_OpenID_removeNamespaceAlias($namespace_uri, $alias)
-{
-    global $Auth_OpenID_registered_aliases;
-
-    if (Auth_OpenID::arrayGet($Auth_OpenID_registered_aliases,
-                              $alias) === $namespace_uri) {
-        unset($Auth_OpenID_registered_aliases[$alias]);
-        return true;
-    }
-
-    return false;
-}
-
-/**
- * An Auth_OpenID_Mapping maintains a mapping from arbitrary keys to
- * arbitrary values.  (This is unlike an ordinary PHP array, whose
- * keys may be only simple scalars.)
- *
- * @package OpenID
- */
-class Auth_OpenID_Mapping {
-    /**
-     * Initialize a mapping.  If $classic_array is specified, its keys
-     * and values are used to populate the mapping.
-     */
-    function Auth_OpenID_Mapping($classic_array = null)
-    {
-        $this->keys = array();
-        $this->values = array();
-
-        if (is_array($classic_array)) {
-            foreach ($classic_array as $key => $value) {
-                $this->set($key, $value);
-            }
-        }
-    }
-
-    /**
-     * Returns true if $thing is an Auth_OpenID_Mapping object; false
-     * if not.
-     */
-    function isA($thing)
-    {
-        return (is_object($thing) &&
-                strtolower(get_class($thing)) == 'auth_openid_mapping');
-    }
-
-    /**
-     * Returns an array of the keys in the mapping.
-     */
-    function keys()
-    {
-        return $this->keys;
-    }
-
-    /**
-     * Returns an array of values in the mapping.
-     */
-    function values()
-    {
-        return $this->values;
-    }
-
-    /**
-     * Returns an array of (key, value) pairs in the mapping.
-     */
-    function items()
-    {
-        $temp = array();
-
-        for ($i = 0; $i < count($this->keys); $i++) {
-            $temp[] = array($this->keys[$i],
-                            $this->values[$i]);
-        }
-        return $temp;
-    }
-
-    /**
-     * Returns the "length" of the mapping, or the number of keys.
-     */
-    function len()
-    {
-        return count($this->keys);
-    }
-
-    /**
-     * Sets a key-value pair in the mapping.  If the key already
-     * exists, its value is replaced with the new value.
-     */
-    function set($key, $value)
-    {
-        $index = array_search($key, $this->keys);
-
-        if ($index !== false) {
-            $this->values[$index] = $value;
-        } else {
-            $this->keys[] = $key;
-            $this->values[] = $value;
-        }
-    }
-
-    /**
-     * Gets a specified value from the mapping, associated with the
-     * specified key.  If the key does not exist in the mapping,
-     * $default is returned instead.
-     */
-    function get($key, $default = null)
-    {
-        $index = array_search($key, $this->keys);
-
-        if ($index !== false) {
-            return $this->values[$index];
-        } else {
-            return $default;
-        }
-    }
-
-    /**
-     * @access private
-     */
-    function _reflow()
-    {
-        // PHP is broken yet again.  Sort the arrays to remove the
-        // hole in the numeric indexes that make up the array.
-        $old_keys = $this->keys;
-        $old_values = $this->values;
-
-        $this->keys = array();
-        $this->values = array();
-
-        foreach ($old_keys as $k) {
-            $this->keys[] = $k;
-        }
-
-        foreach ($old_values as $v) {
-            $this->values[] = $v;
-        }
-    }
-
-    /**
-     * Deletes a key-value pair from the mapping with the specified
-     * key.
-     */
-    function del($key)
-    {
-        $index = array_search($key, $this->keys);
-
-        if ($index !== false) {
-            unset($this->keys[$index]);
-            unset($this->values[$index]);
-            $this->_reflow();
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Returns true if the specified value has a key in the mapping;
-     * false if not.
-     */
-    function contains($value)
-    {
-        return (array_search($value, $this->keys) !== false);
-    }
-}
-
-/**
- * Maintains a bijective map between namespace uris and aliases.
- *
- * @package OpenID
- */
-class Auth_OpenID_NamespaceMap {
-    function Auth_OpenID_NamespaceMap()
-    {
-        $this->alias_to_namespace = new Auth_OpenID_Mapping();
-        $this->namespace_to_alias = new Auth_OpenID_Mapping();
-    }
-
-    function getAlias($namespace_uri)
-    {
-        return $this->namespace_to_alias->get($namespace_uri);
-    }
-
-    function getNamespaceURI($alias)
-    {
-        return $this->alias_to_namespace->get($alias);
-    }
-
-    function iterNamespaceURIs()
-    {
-        // Return an iterator over the namespace URIs
-        return $this->namespace_to_alias->keys();
-    }
-
-    function iterAliases()
-    {
-        // Return an iterator over the aliases"""
-        return $this->alias_to_namespace->keys();
-    }
-
-    function iteritems()
-    {
-        return $this->namespace_to_alias->items();
-    }
-
-    function addAlias($namespace_uri, $desired_alias)
-    {
-        // Add an alias from this namespace URI to the desired alias
-        global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;
-
-        // Check that desired_alias is not an openid protocol field as
-        // per the spec.
-        if (in_array($desired_alias, $Auth_OpenID_OPENID_PROTOCOL_FIELDS)) {
-            // "%r is not an allowed namespace alias" % (desired_alias,);
-            return null;
-        }
-
-        // Check that desired_alias does not contain a period as per
-        // the spec.
-        if (strpos($desired_alias, '.') !== false) {
-            // "%r must not contain a dot" % (desired_alias,)
-            return null;
-        }
-
-        // Check that there is not a namespace already defined for the
-        // desired alias
-        $current_namespace_uri =
-            $this->alias_to_namespace->get($desired_alias);
-
-        if (($current_namespace_uri !== null) &&
-            ($current_namespace_uri != $namespace_uri)) {
-            // Cannot map because previous mapping exists
-            return null;
-        }
-
-        // Check that there is not already a (different) alias for
-        // this namespace URI
-        $alias = $this->namespace_to_alias->get($namespace_uri);
-
-        if (($alias !== null) && ($alias != $desired_alias)) {
-            // fmt = ('Cannot map %r to alias %r. '
-            //        'It is already mapped to alias %r')
-            // raise KeyError(fmt % (namespace_uri, desired_alias, alias))
-            return null;
-        }
-
-        assert((Auth_OpenID_NULL_NAMESPACE === $desired_alias) ||
-               is_string($desired_alias));
-
-        $this->alias_to_namespace->set($desired_alias, $namespace_uri);
-        $this->namespace_to_alias->set($namespace_uri, $desired_alias);
-
-        return $desired_alias;
-    }
-
-    function add($namespace_uri)
-    {
-        // Add this namespace URI to the mapping, without caring what
-        // alias it ends up with
-
-        // See if this namespace is already mapped to an alias
-        $alias = $this->namespace_to_alias->get($namespace_uri);
-
-        if ($alias !== null) {
-            return $alias;
-        }
-
-        // Fall back to generating a numerical alias
-        $i = 0;
-        while (1) {
-            $alias = 'ext' . strval($i);
-            if ($this->addAlias($namespace_uri, $alias) === null) {
-                $i += 1;
-            } else {
-                return $alias;
-            }
-        }
-
-        // Should NEVER be reached!
-        return null;
-    }
-
-    function contains($namespace_uri)
-    {
-        return $this->isDefined($namespace_uri);
-    }
-
-    function isDefined($namespace_uri)
-    {
-        return $this->namespace_to_alias->contains($namespace_uri);
-    }
-}
-
-/**
- * In the implementation of this object, null represents the global
- * namespace as well as a namespace with no key.
- *
- * @package OpenID
- */
-class Auth_OpenID_Message {
-
-    function Auth_OpenID_Message($openid_namespace = null)
-    {
-        // Create an empty Message
-        $this->allowed_openid_namespaces = array(
-                               Auth_OpenID_OPENID1_NS,
-                               Auth_OpenID_OPENID2_NS);
-
-        $this->args = new Auth_OpenID_Mapping();
-        $this->namespaces = new Auth_OpenID_NamespaceMap();
-        if ($openid_namespace === null) {
-            $this->_openid_ns_uri = null;
-        } else {
-            $this->setOpenIDNamespace($openid_namespace);
-        }
-    }
-
-    function isOpenID1()
-    {
-        return $this->getOpenIDNamespace() == Auth_OpenID_OPENID1_NS;
-    }
-
-    function isOpenID2()
-    {
-        return $this->getOpenIDNamespace() == Auth_OpenID_OPENID2_NS;
-    }
-
-    function fromPostArgs($args)
-    {
-        // Construct a Message containing a set of POST arguments
-        $obj = new Auth_OpenID_Message();
-
-        // Partition into "openid." args and bare args
-        $openid_args = array();
-        foreach ($args as $key => $value) {
-
-            if (is_array($value)) {
-                return null;
-            }
-
-            $parts = explode('.', $key, 2);
-
-            if (count($parts) == 2) {
-                list($prefix, $rest) = $parts;
-            } else {
-                $prefix = null;
-            }
-
-            if ($prefix != 'openid') {
-                $obj->args->set(array(Auth_OpenID_BARE_NS, $key), $value);
-            } else {
-                $openid_args[$rest] = $value;
-            }
-        }
-
-        if ($obj->_fromOpenIDArgs($openid_args)) {
-            return $obj;
-        } else {
-            return null;
-        }
-    }
-
-    function fromOpenIDArgs($openid_args)
-    {
-        // Takes an array.
-
-        // Construct a Message from a parsed KVForm message
-        $obj = new Auth_OpenID_Message();
-        if ($obj->_fromOpenIDArgs($openid_args)) {
-            return $obj;
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * @access private
-     */
-    function _fromOpenIDArgs($openid_args)
-    {
-        global $Auth_OpenID_registered_aliases;
-
-        // Takes an Auth_OpenID_Mapping instance OR an array.
-
-        if (!Auth_OpenID_Mapping::isA($openid_args)) {
-            $openid_args = new Auth_OpenID_Mapping($openid_args);
-        }
-
-        $ns_args = array();
-
-        // Resolve namespaces
-        foreach ($openid_args->items() as $pair) {
-            list($rest, $value) = $pair;
-
-            $parts = explode('.', $rest, 2);
-
-            if (count($parts) == 2) {
-                list($ns_alias, $ns_key) = $parts;
-            } else {
-                $ns_alias = Auth_OpenID_NULL_NAMESPACE;
-                $ns_key = $rest;
-            }
-
-            if ($ns_alias == 'ns') {
-                if ($this->namespaces->addAlias($value, $ns_key) === null) {
-                    return false;
-                }
-            } else if (($ns_alias == Auth_OpenID_NULL_NAMESPACE) &&
-                       ($ns_key == 'ns')) {
-                // null namespace
-                if ($this->namespaces->addAlias($value,
-                                     Auth_OpenID_NULL_NAMESPACE) === null) {
-                    return false;
-                }
-            } else {
-                $ns_args[] = array($ns_alias, $ns_key, $value);
-            }
-        }
-
-        // Ensure that there is an OpenID namespace definition
-        $openid_ns_uri =
-            $this->namespaces->getNamespaceURI(Auth_OpenID_NULL_NAMESPACE);
-
-        if ($openid_ns_uri === null) {
-            $openid_ns_uri = Auth_OpenID_OPENID1_NS;
-        }
-
-        $this->setOpenIDNamespace($openid_ns_uri);
-
-        // Actually put the pairs into the appropriate namespaces
-        foreach ($ns_args as $triple) {
-            list($ns_alias, $ns_key, $value) = $triple;
-            $ns_uri = $this->namespaces->getNamespaceURI($ns_alias);
-            if ($ns_uri === null) {
-                // Only try to map an alias to a default if it's an
-                // OpenID 1.x message.
-                if ($openid_ns_uri == Auth_OpenID_OPENID1_NS) {
-                    foreach ($Auth_OpenID_registered_aliases
-                             as $alias => $uri) {
-                        if ($alias == $ns_alias) {
-                            $ns_uri = $uri;
-                            break;
-                        }
-                    }
-                }
-
-                if ($ns_uri === null) {
-                    $ns_uri = $openid_ns_uri;
-                    $ns_key = sprintf('%s.%s', $ns_alias, $ns_key);
-                } else {
-                    $this->namespaces->addAlias($ns_uri, $ns_alias);
-                }
-            }
-
-            $this->setArg($ns_uri, $ns_key, $value);
-        }
-
-        return true;
-    }
-
-    function setOpenIDNamespace($openid_ns_uri)
-    {
-        if (!in_array($openid_ns_uri, $this->allowed_openid_namespaces)) {
-            // raise ValueError('Invalid null namespace: %r' % (openid_ns_uri,))
-            return false;
-        }
-
-        $this->namespaces->addAlias($openid_ns_uri,
-                                    Auth_OpenID_NULL_NAMESPACE);
-        $this->_openid_ns_uri = $openid_ns_uri;
-    }
-
-    function getOpenIDNamespace()
-    {
-        return $this->_openid_ns_uri;
-    }
-
-    function fromKVForm($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) = $pair;
-
-            if ($alias == Auth_OpenID_NULL_NAMESPACE) {
-                if ($ns_uri != Auth_OpenID_OPENID1_NS) {
-                    $args['openid.ns'] = $ns_uri;
-                } else {
-                    // drop the default null namespace
-                    // definition. This potentially changes a message
-                    // since we have no way of knowing whether it was
-                    // explicitly specified at the time the message
-                    // was parsed. The vast majority of the time, this
-                    // will be the right thing to do. Possibly this
-                    // could look in the signed list.
-                }
-            } else {
-                if ($this->getOpenIDNamespace() != Auth_OpenID_OPENID1_NS) {
-                    $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, $attr);
-            }
-        }
-
-        $form .= ">\n";
-
-        foreach ($this->toPostArgs() as $name => $value) {
-            $form .= sprintf(
-                        "<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
-                        $name, $value);
-        }
-
-        $form .= sprintf("<input type=\"submit\" value=\"%s\" />\n",
-                         $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) {
-                // raise UndefinedOpenIDNamespace('OpenID namespace not set')
-                return null;
-            } else {
-                $namespace = $this->_openid_ns_uri;
-            }
-        }
-
-        if (($namespace != Auth_OpenID_BARE_NS) &&
-            (!is_string($namespace))) {
-            // raise TypeError(
-            //     "Namespace must be BARE_NS, OPENID_NS or a string. got %r"
-            //     % (namespace,))
-            return null;
-        }
-
-        if (($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 ($namespace !== null) {
-            return $this->args->contains(array($namespace, $ns_key));
-        } else {
-            return false;
-        }
-    }
-
-    function getKey($namespace, $ns_key)
-    {
-        // Get the key for a particular namespaced argument
-        $namespace = $this->_fixNS($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 ($namespace !== null) {
-            if ((!$this->args->contains(array($namespace, $key))) &&
-                ($default == Auth_OpenID_NO_DEFAULT)) {
-                return null;
-            } else {
-                return $this->args->get(array($namespace, $key), $default);
-            }
-        } else {
-            return null;
-        }
-    }
-
-    function getArgs($namespace)
-    {
-        // Get the arguments that are defined for this namespace URI
-
-        $namespace = $this->_fixNS($namespace);
-        if ($namespace !== null) {
-            $stuff = array();
-            foreach ($this->args->items() as $pair) {
-                list($key, $value) = $pair;
-                list($pair_ns, $ns_key) = $key;
-                if ($pair_ns == $namespace) {
-                    $stuff[$ns_key] = $value;
-                }
-            }
-
-            return $stuff;
-        }
-
-        return array();
-    }
-
-    function updateArgs($namespace, $updates)
-    {
-        // Set multiple key/value pairs in one call
-
-        $namespace = $this->_fixNS($namespace);
-
-        if ($namespace !== null) {
-            foreach ($updates as $k => $v) {
-                $this->setArg($namespace, $k, $v);
-            }
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    function setArg($namespace, $key, $value)
-    {
-        // Set a single argument in this namespace
-        $namespace = $this->_fixNS($namespace);
-
-        if ($namespace !== null) {
-            $this->args->set(array($namespace, $key), $value);
-            if ($namespace !== Auth_OpenID_BARE_NS) {
-                $this->namespaces->add($namespace);
-            }
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    function delArg($namespace, $key)
-    {
-        $namespace = $this->_fixNS($namespace);
-
-        if ($namespace !== null) {
-            return $this->args->del(array($namespace, $key));
-        } else {
-            return false;
-        }
-    }
-
-    function getAliasedArg($aliased_key, $default = null)
-    {
-        $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);
-    }
-}
-
-?>
\ No newline at end of file