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-rw-r--r--plugins/OpenID/extlib/teams-extension.php175
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diff --git a/plugins/OpenID/extlib/teams-extension.php b/plugins/OpenID/extlib/teams-extension.php
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+++ b/plugins/OpenID/extlib/teams-extension.php
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+<?php
+/*
+ * Wordpress Teams plugin
+ * Copyright (C) 2009-2010 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * 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/>.
+ */
+
+/**
+ * Provides an example OpenID extension to query user team/group membership
+ *
+ * This code is based on code supplied with the openid library for simple
+ * registration data.
+ */
+
+/**
+ * Require the Message implementation.
+ */
+require_once 'Auth/OpenID/Message.php';
+require_once 'Auth/OpenID/Extension.php';
+
+/**
+ * The team/group extension base class
+ */
+class Auth_OpenID_TeamsExtension extends Auth_OpenID_Extension {
+ var $ns_uri = 'http://ns.launchpad.net/2007/openid-teams';
+ var $ns_alias = 'lp';
+ var $request_field = 'query_membership';
+ var $response_field = 'is_member';
+
+ /**
+ * Get the string arguments that should be added to an OpenID
+ * message for this extension.
+ */
+ function getExtensionArgs() {
+ $args = array();
+
+ if ($this->_teams) {
+ $args[$this->request_field] = implode(',', $this->_teams);
+ }
+
+ return $args;
+ }
+
+ /**
+ * Add the arguments from this extension to the provided message.
+ *
+ * Returns the message with the extension arguments added.
+ */
+ function toMessage(&$message) {
+ if ($message->namespaces->addAlias($this->ns_uri, $this->ns_alias) === null) {
+ if ($message->namespaces->getAlias($this->ns_uri) != $this->ns_alias) {
+ return null;
+ }
+ }
+
+ $message->updateArgs($this->ns_uri, $this->getExtensionArgs());
+ return $message;
+ }
+
+ /**
+ * Extract the team/group namespace URI from the given OpenID message.
+ * Handles OpenID 1 and 2.
+ *
+ * $message: The OpenID message from which to parse team/group data.
+ * This may be a request or response message.
+ *
+ * Returns the sreg namespace URI for the supplied message.
+ *
+ * @access private
+ */
+ function _getExtensionNS(&$message) {
+ $alias = null;
+ $found_ns_uri = null;
+
+ // See if there exists an alias for the namespace
+ $alias = $message->namespaces->getAlias($this->ns_uri);
+
+ if ($alias !== null) {
+ $found_ns_uri = $this->ns_uri;
+ }
+
+ if ($alias === null) {
+ // There is no alias for this extension, so try to add one.
+ $found_ns_uri = Auth_OpenID_TYPE_1_0;
+
+ if ($message->namespaces->addAlias($this->ns_uri, $this->ns_alias) === null) {
+ // An alias for the string 'lp' already exists, but
+ // it's defined for something other than team/group membership
+ return null;
+ }
+ }
+
+ return $found_ns_uri;
+ }
+}
+
+/**
+ * The team/group extension request class
+ */
+class Auth_OpenID_TeamsRequest extends Auth_OpenID_TeamsExtension {
+ function __init($teams) {
+ if (!is_array($teams)) {
+ if (!empty($teams)) {
+ $teams = explode(',', $teams);
+ } else {
+ $teams = Array();
+ }
+ }
+
+ $this->_teams = $teams;
+ }
+
+ function Auth_OpenID_TeamsRequest($teams) {
+ $this->__init($teams);
+ }
+}
+
+/**
+ * The team/group extension response class
+ */
+class Auth_OpenID_TeamsResponse extends Auth_OpenID_TeamsExtension {
+ var $_teams = array();
+
+ function __init(&$resp, $signed_only=true) {
+ $this->ns_uri = $this->_getExtensionNS($resp->message);
+
+ if ($signed_only) {
+ $args = $resp->getSignedNS($this->ns_uri);
+ } else {
+ $args = $resp->message->getArgs($this->ns_uri);
+ }
+
+ if ($args === null) {
+ return null;
+ }
+
+ // An OpenID 2.0 response will handle the namespaces
+ if (in_array($this->response_field, array_keys($args)) && !empty($args[$this->response_field])) {
+ $this->_teams = explode(',', $args[$this->response_field]);
+ }
+
+ // Piggybacking on a 1.x request, however, won't so the field name will
+ // be different
+ elseif (in_array($this->ns_alias.'.'.$this->response_field, array_keys($args)) && !empty($args[$this->ns_alias.'.'.$this->response_field])) {
+ $this->_teams = explode(',', $args[$this->ns_alias.'.'.$this->response_field]);
+ }
+ }
+
+ function Auth_OpenID_TeamsResponse(&$resp, $signed_only=true) {
+ $this->__init($resp, $signed_only);
+ }
+
+ /**
+ * Get the array of teams the user is a member of
+ *
+ * @return array
+ */
+ function getTeams() {
+ return $this->_teams;
+ }
+}
+
+?>