gnu-social/plugins/OpenID/OpenIDPlugin.php

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<?php
/**
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* StatusNet, the distributed open-source microblogging tool
*
* PHP version 5
*
* LICENCE: 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/>.
*
* @category Plugin
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* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*/
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if (!defined('STATUSNET')) {
exit(1);
}
/**
* Plugin for OpenID authentication and identity
*
* This class enables consumer support for OpenID, the distributed authentication
* and identity system.
*
* @category Plugin
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* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
* @link http://openid.net/
*/
class OpenIDPlugin extends Plugin
{
/**
* Initializer for the plugin.
*/
function __construct()
{
parent::__construct();
}
/**
* Add OpenID-related paths to the router table
*
* Hook for RouterInitialized event.
*
* @return boolean hook return
*/
function onStartInitializeRouter($m)
{
$m->connect('main/openid', array('action' => 'openidlogin'));
$m->connect('main/openidtrust', array('action' => 'openidtrust'));
$m->connect('settings/openid', array('action' => 'openidsettings'));
$m->connect('index.php?action=finishopenidlogin', array('action' => 'finishopenidlogin'));
$m->connect('index.php?action=finishaddopenid', array('action' => 'finishaddopenid'));
$m->connect('main/openidserver', array('action' => 'openidserver'));
return true;
}
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function onEndPublicXRDS($action, &$xrdsOutputter)
{
$xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
'version' => '2.0'));
$xrdsOutputter->element('Type', null, 'xri://$xrds*simple');
//consumer
foreach (array('finishopenidlogin', 'finishaddopenid') as $finish) {
$xrdsOutputter->showXrdsService(Auth_OpenID_RP_RETURN_TO_URL_TYPE,
common_local_url($finish));
}
//provider
$xrdsOutputter->showXrdsService('http://specs.openid.net/auth/2.0/server',
common_local_url('openidserver'),
null,
null,
'http://specs.openid.net/auth/2.0/identifier_select');
$xrdsOutputter->elementEnd('XRD');
}
function onEndUserXRDS($action, &$xrdsOutputter)
{
$xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
'xml:id' => 'openid',
'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
'version' => '2.0'));
$xrdsOutputter->element('Type', null, 'xri://$xrds*simple');
//consumer
$xrdsOutputter->showXrdsService('http://specs.openid.net/auth/2.0/return_to',
common_local_url('finishopenidlogin'));
//provider
$xrdsOutputter->showXrdsService('http://specs.openid.net/auth/2.0/signon',
common_local_url('openidserver'),
null,
null,
common_profile_url($action->user->nickname));
$xrdsOutputter->elementEnd('XRD');
}
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function onEndLoginGroupNav(&$action)
{
$action_name = $action->trimmed('action');
$action->menuItem(common_local_url('openidlogin'),
_('OpenID'),
_('Login or register with OpenID'),
$action_name === 'openidlogin');
return true;
}
function onEndAccountSettingsNav(&$action)
{
$action_name = $action->trimmed('action');
$action->menuItem(common_local_url('openidsettings'),
_('OpenID'),
_('Add or remove OpenIDs'),
$action_name === 'openidsettings');
return true;
}
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function onAutoload($cls)
{
switch ($cls)
{
case 'OpenidloginAction':
case 'FinishopenidloginAction':
case 'FinishaddopenidAction':
case 'XrdsAction':
case 'PublicxrdsAction':
case 'OpenidsettingsAction':
case 'OpenidserverAction':
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require_once(INSTALLDIR.'/plugins/OpenID/' . strtolower(mb_substr($cls, 0, -6)) . '.php');
return false;
case 'User_openid':
require_once(INSTALLDIR.'/plugins/OpenID/User_openid.php');
return false;
default:
return true;
}
}
function onSensitiveAction($action, &$ssl)
{
switch ($action)
{
case 'finishopenidlogin':
case 'finishaddopenid':
$ssl = true;
return false;
default:
return true;
}
}
function onLoginAction($action, &$login)
{
switch ($action)
{
case 'openidlogin':
case 'finishopenidlogin':
$login = true;
return false;
default:
return true;
}
}
/**
* We include a <meta> element linking to the publicxrds page, for OpenID
* client-side authentication.
*
* @return void
*/
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function onEndShowHeadElements($action)
{
if($action instanceof ShowstreamAction){
$action->element('link', array('rel' => 'openid2.provider',
'href' => common_local_url('openidserver')));
$action->element('link', array('rel' => 'openid2.local_id',
'href' => $action->profile->profileurl));
$action->element('link', array('rel' => 'openid.server',
'href' => common_local_url('openidserver')));
$action->element('link', array('rel' => 'openid.delegate',
'href' => $action->profile->profileurl));
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}
return true;
}
/**
* Redirect to OpenID login if they have an OpenID
*
* @return boolean whether to continue
*/
function onRedirectToLogin($action, $user)
{
if (!empty($user) && User_openid::hasOpenID($user->id)) {
common_redirect(common_local_url('openidlogin'), 303);
return false;
}
return true;
}
function onEndShowPageNotice($action)
{
$name = $action->trimmed('action');
switch ($name)
{
case 'register':
$instr = '(Have an [OpenID](http://openid.net/)? ' .
'Try our [OpenID registration]'.
'(%%action.openidlogin%%)!)';
break;
case 'login':
$instr = '(Have an [OpenID](http://openid.net/)? ' .
'Try our [OpenID login]'.
'(%%action.openidlogin%%)!)';
break;
default:
return true;
}
$output = common_markup_to_html($instr);
$action->raw($output);
return true;
}
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function onStartLoadDoc(&$title, &$output)
{
if ($title == 'openid')
{
$filename = INSTALLDIR.'/plugins/OpenID/doc-src/openid';
$c = file_get_contents($filename);
$output = common_markup_to_html($c);
return false; // success!
}
return true;
}
function onEndLoadDoc($title, &$output)
{
if ($title == 'help')
{
$menuitem = '* [OpenID](%%doc.openid%%) - what OpenID is and how to use it with this service';
$output .= common_markup_to_html($menuitem);
}
return true;
}
function onCheckSchema() {
$schema = Schema::get();
$schema->ensureTable('user_openid',
array(new ColumnDef('canonical', 'varchar',
'255', false, 'PRI'),
new ColumnDef('display', 'varchar',
'255', false),
new ColumnDef('user_id', 'integer',
null, false, 'MUL'),
new ColumnDef('created', 'datetime',
null, false),
new ColumnDef('modified', 'timestamp')));
return true;
}
}