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* SpecialOpenIDFinish.body.php -- Finish logging into an OpenID site
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* Copyright 2006,2007 Internet Brands (http://www.internetbrands.com/)
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* Copyright 2007,2008 Evan Prodromou <evan@prodromou.name>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* @author Evan Prodromou <evan@prodromou.name>
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* @addtogroup Extensions
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if (!defined('MEDIAWIKI'))
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require_once("Auth/OpenID/Consumer.php");
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require_once("Auth/OpenID/SReg.php");
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require_once("Auth/Yadis/XRI.php");
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class SpecialOpenIDFinish extends SpecialOpenID {
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function SpecialOpenIDFinish() {
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SpecialPage::SpecialPage("OpenIDFinish", '', false);
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function execute( $par) {
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global $wgUser, $wgOut, $wgRequest;
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wfLoadExtensionMessages( 'OpenID' );
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# Shouldn't work if you're already logged in.
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if ( $wgUser->getID() != 0 ) {
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$this->alreadyLoggedIn();
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$consumer = $this->getConsumer();
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list( $openid, $sreg) = $this->fetchValues();
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if ( !isset( $openid ) ) {
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wfDebug( "OpenID: aborting in ChooseName because identity_url is missing\n" );
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# No messing around, here
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$wgOut->showErrorPage( 'openiderror', 'openiderrortext' );
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if ( $wgRequest->getCheck( 'wpCancel' ) ) {
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$wgOut->showErrorPage( 'openidcancel', 'openidcanceltext' );
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$choice = $wgRequest->getText( 'wpNameChoice' );
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$nameValue = $wgRequest->getText( 'wpNameValue' );
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if ($choice == 'existing') {
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$user = $this->attachUser( $openid, $sreg,
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$wgRequest->getText( 'wpExistingName' ),
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$wgRequest->getText( 'wpExistingPassword' )
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$this->chooseNameForm( $openid, $sreg, 'wrongpassword' );
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if ($wgRequest->getText( 'wpUpdateUserInfo' ))
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$this->updateUser( $user, $sreg );
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$name = $this->getUserName( $openid, $sreg, $choice, $nameValue);
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if ( !$name || !$this->userNameOK( $name ) ) {
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wfDebug( "OpenID: Name not OK: '$name'\n" );
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$this->chooseNameForm( $openid, $sreg );
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$user = $this->createUser( $openid, $sreg, $name );
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if ( !isset( $user ) ) {
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wfDebug( "OpenID: aborting in ChooseName because we could not create user object\n" );
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$this->clearValues();
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$wgOut->showErrorPage( 'openiderror', 'openiderrortext' );
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$this->clearValues();
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$this->finishLogin( $response->identity_url );
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default: # No parameter, returning from a server
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$response = $consumer->complete( $this->scriptUrl( 'OpenIDFinish' ) );
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if ( !isset( $response ) ) {
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wfDebug( "OpenID: aborting in auth because no response was recieved\n" );
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$wgOut->showErrorPage( 'openiderror', 'openiderrortext' );
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switch ( $response->status ) {
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case Auth_OpenID_CANCEL:
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// This means the authentication was cancelled.
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$wgOut->showErrorPage( 'openidcancel', 'openidcanceltext' );
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case Auth_OpenID_FAILURE:
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wfDebug( "OpenID: error message '" . $response->message . "'\n" );
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$wgOut->showErrorPage( 'openidfailure', 'openidfailuretext',
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array( ( $response->message ) ? $response->message : '' ) );
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case Auth_OpenID_SUCCESS:
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// This means the authentication succeeded.
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$openid = $response->getDisplayIdentifier();
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$sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse( $response );
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$sreg = $sreg_resp->contents();
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if (!isset($openid)) {
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wfDebug( "OpenID: aborting in auth success because display identifier is missing\n" );
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$wgOut->showErrorPage( 'openiderror', 'openiderrortext' );
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$user = $this->getUser( $openid );
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if ( isset( $user ) )
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if ($user->getOption('openid-update-userinfo-on-login'))
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$this->updateUser( $user, $sreg); # update from server
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$name = $this->createName( $openid, $sreg );
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$user = $this->createUser( $openid, $sreg, $name );
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$this->saveValues( $openid, $sreg );
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$this->chooseNameForm( $openid, $sreg );
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if ( !isset( $user ) ) {
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wfDebug( "OpenID: aborting in auth success because we could not create user object\n" );
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$wgOut->showErrorPage( 'openiderror', 'openiderrortext' );
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$this->finishLogin( $openid );
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function finishLogin( $openid ) {
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global $wgUser, $wgOut;
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$wgUser->SetupSession();
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$wgUser->SetCookies();
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# Run any hooks; ignore results
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wfRunHooks( 'UserLoginComplete', array( &$wgUser, &$inject_html ) );
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# Set a cookie for later check-immediate use
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$this->loginSetCookie($openid);
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$wgOut->setPageTitle( wfMsg( 'openidsuccess' ) );
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$wgOut->setRobotPolicy( 'noindex,nofollow' );
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$wgOut->setArticleRelated( false );
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$wgOut->addWikiText( wfMsg( 'openidsuccess', $wgUser->getName(), $openid ) );
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$wgOut->addHtml( $inject_html );
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$wgOut->returnToMain( false, $this->returnTo() );
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function loginSetCookie( $openid ) {
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global $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $wgCookiePrefix;
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global $wgOpenIDCookieExpiration;
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$exp = time() + $wgOpenIDCookieExpiration;
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setcookie( $wgCookiePrefix.'OpenID', $openid, $exp, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
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function chooseNameForm( $openid, $sreg, $messagekey = NULL ) {
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global $wgOut, $wgUser, $wgOpenIDOnly;
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$sk = $wgUser->getSkin();
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$message = wfMsg( $messagekey );
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} else if ( array_key_exists( 'nickname', $sreg ) ) {
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$message = wfMsg( 'openidnotavailable', $sreg['nickname'] );
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$message = wfMsg( 'openidnotprovided' );
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$instructions = wfMsg( 'openidchooseinstructions' );
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$wgOut->addHTML( "<p>{$message}</p>" .
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"<p>{$instructions}</p>" .
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'<form action="' . $sk->makeSpecialUrl( 'OpenIDFinish/ChooseName' ) . '" method="POST">' );
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if ( !$wgOpenIDOnly ) {
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# Let them attach it to an existing user
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# Grab the UserName in the cookie if it exists
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global $wgCookiePrefix;
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if ( isset( $_COOKIE["{$wgCookiePrefix}UserName"] ) ) {
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$name = trim( $_COOKIE["{$wgCookiePrefix}UserName"] );
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# show OpenID Attributes
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$oidAttributesToAccept = array('fullname', 'nickname', 'email', 'language');
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$oidAttributes = array();
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foreach ($oidAttributesToAccept as $oidAttr)
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if ($oidAttr == 'fullname' && !$wgAllowRealName)
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if ( array_key_exists( $oidAttr, $sreg )) {
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$oidAttributes[] = '<div>'.wfMsg( "openid$oidAttr" ).': <i>'.$sreg[$oidAttr].'</i></div>';
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$oidAttributesUpdate = '';
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if (count($oidAttributes) > 0)
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$oidAttributesUpdate = '<div style="margin-left: 25px">'.
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'<input type="checkbox" name="wpUpdateUserInfo" id="wpUpdateUserInfo">' .
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'<label for="wpUpdateUserInfo">' . wfMsg( "openidupdateuserinfo" ) .
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'<div style="margin-left: 25px">'.implode('', $oidAttributes).'</div>'.
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$wgOut->addHTML("<div><input type='radio' name='wpNameChoice' id='wpNameChoiceExisting' value='existing' />" .
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"<label for='wpNameChoiceExisting'>" . wfMsg( "openidchooseexisting" ) . "</label> " .
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"<input type='text' name='wpExistingName' id='wpExistingName' size='16' value='{$name}'> " .
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"<label for='wpExistingPassword'>" . wfMsg( "openidchoosepassword" ) . "</label> " .
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"<input type='password' name='wpExistingPassword' size='8' /> " .
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$oidAttributesUpdate . "</div>\n" );
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# These options won't exist if we can't get them.
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if ( array_key_exists( 'fullname', $sreg ) && $this->userNameOK( $sreg['fullname'] ) ) {
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$wgOut->addHTML( "<div><input type='radio' name='wpNameChoice' id='wpNameChoiceFull' value='full' " .
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( ( !$def ) ? "checked = 'checked'" : "" ) . " />" .
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"<label for='wpNameChoiceFull'>" . wfMsg( "openidchoosefull", $sreg['fullname'] ) . "</label></div>\n" );
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$idname = $this->toUserName( $openid );
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if ( $idname && $this->userNameOK( $idname ) ) {
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$wgOut->addHTML( "<div><input type='radio' name='wpNameChoice' id='wpNameChoiceUrl' value='url' " .
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( ( !$def ) ? "checked = 'checked'" : "" ) . " />" .
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"<label for='wpNameChoiceUrl'>" . wfMsg( "openidchooseurl", $idname ) . "</label></div>\n" );
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# These are always available
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$wgOut->addHTML( "<div><input type='radio' name='wpNameChoice' id='wpNameChoiceAuto' value='auto' " .
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( ( !$def ) ? "checked = 'checked'" : "" ) . " />" .
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"<label for='wpNameChoiceAuto'>" . wfMsg( "openidchooseauto", $this->automaticName( $sreg ) ) . "</label></div>\n");
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$wgOut->addHTML("<div><input type='radio' name='wpNameChoice' id='wpNameChoiceManual' value='manual' " .
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" checked='off' />" .
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"<label for='wpNameChoiceManual'>" . wfMsg( "openidchoosemanual" ) . "</label> " .
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"<input type='text' name='wpNameValue' id='wpNameValue' size='16' /></div>\n");
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$ok = wfMsg( 'login' );
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$cancel = wfMsg( 'cancel' );
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$wgOut->addHTML( "<input type='submit' name='wpOK' value='{$ok}' /> <input type='submit' name='wpCancel' value='{$cancel}' />" );
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$wgOut->addHTML( "</form>" );
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function canLogin( $openid_url ) {
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global $wgOpenIDConsumerDenyByDefault, $wgOpenIDConsumerAllow, $wgOpenIDConsumerDeny;
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if ( $this->isLocalUrl( $openid_url ) ) {
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if ( $wgOpenIDConsumerDenyByDefault ) {
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foreach ( $wgOpenIDConsumerAllow as $allow ) {
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if ( preg_match( $allow, $openid_url ) ) {
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wfDebug( "OpenID: $openid_url matched allow pattern $allow.\n" );
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foreach ( $wgOpenIDConsumerDeny as $deny ) {
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if ( preg_match( $deny, $openid_url ) ) {
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wfDebug( "OpenID: $openid_url matched deny pattern $deny.\n" );
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foreach ( $wgOpenIDConsumerDeny as $deny ) {
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if ( preg_match( $deny, $openid_url ) ) {
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wfDebug( "OpenID: $openid_url matched deny pattern $deny.\n" );
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foreach ( $wgOpenIDConsumerAllow as $allow ) {
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if ( preg_match( $allow, $openid_url ) ) {
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wfDebug( "OpenID: $openid_url matched allow pattern $allow.\n" );
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function isLocalUrl( $url ) {
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global $wgServer, $wgArticlePath;
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$pattern = $wgServer . $wgArticlePath;
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$pattern = str_replace( '$1', '(.*)', $pattern );
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$pattern = str_replace( '?', '\?', $pattern );
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return preg_match( '|^' . $pattern . '$|', $url );
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# Find the user with the given openid, if any
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function getUser( $openid ) {
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global $wgSharedDB, $wgDBprefix;
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if ( isset( $wgSharedDB ) ) {
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$tableName = "`$wgSharedDB`.${wgDBprefix}user_openid";
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$tableName = 'user_openid';
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$dbr = wfGetDB( DB_SLAVE );
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$id = $dbr->selectField(
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array( 'uoi_openid' => $openid ),
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return User::newFromID( $id );
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function updateUser( $user, $sreg ) {
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global $wgAllowRealName;
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# FIXME: only update if there's been a change
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$user->setOption('nickname', array_key_exists( 'nickname', $sreg )
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? $sreg['nickname'] : '');
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$user->setEmail( array_key_exists( 'email', $sreg ) ? $sreg['email'] : '' );
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$user->setRealName( (array_key_exists( 'fullname', $sreg ) && $wgAllowRealName)
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? $sreg['fullname'] : '');
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if ( array_key_exists( 'language', $sreg ) ) {
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# FIXME: check and make sure the language exists
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$user->setOption( 'language', $sreg['language'] );
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$user->setOption( 'language', NULL );
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if (array_key_exists( 'timezone', $sreg ) ) {
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# FIXME: do something with it.
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# $offset = OpenIDTimezoneToTzoffset($sreg['timezone']);
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# $user->setOption('timecorrection', $offset);
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# $user->setOption('timecorrection', NULL);
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$user->saveSettings();
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function createUser($openid, $sreg, $name) {
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global $wgAuth, $wgAllowRealName;
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$user = User::newFromName($name);
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wfDebug("OpenID: Error adding new user.\n");
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$user->addToDatabase();
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if (!$user->getId()) {
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wfDebug("OpenID: Error adding new user.\n");
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$this->insertUserUrl($user, $openid);
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if (array_key_exists('nickname', $sreg)) {
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$user->setOption('nickname', $sreg['nickname']);
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if (array_key_exists('email', $sreg)) {
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$user->setEmail( $sreg['email'] );
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if ($wgAllowRealName && array_key_exists('fullname', $sreg)) {
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$user->setRealName($sreg['fullname']);
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if (array_key_exists('language', $sreg)) {
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# FIXME: check and make sure the language exists
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$user->setOption('language', $sreg['language']);
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if (array_key_exists('timezone', $sreg)) {
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# FIXME: do something with it.
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# $offset = OpenIDTimezoneToTzoffset($sreg['timezone']);
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# $user->setOption('timecorrection', $offset);
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$user->saveSettings();
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function createName($openid, $sreg) {
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if (array_key_exists('nickname', $sreg) && # try nickname
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$this->userNameOK($sreg['nickname']))
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return $sreg['nickname'];
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function toUserName($openid) {
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if (Auth_Yadis_identifierScheme($openid) == 'XRI') {
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return $this->toUserNameXri($openid);
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return $this->toUserNameUrl($openid);
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# We try to use an OpenID URL as a legal MediaWiki user name in this order
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# 1. Plain hostname, like http://evanp.myopenid.com/
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# 2. One element in path, like http://profile.typekey.com/EvanProdromou/
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# or http://getopenid.com/evanprodromou
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function toUserNameUrl($openid) {
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static $bad = array('query', 'user', 'password', 'port', 'fragment');
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$parts = parse_url($openid);
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# If any of these parts exist, this won't work
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foreach ($bad as $badpart) {
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if (array_key_exists($badpart, $parts)) {
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# We just have host and/or path
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# If it's just a host...
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if (array_key_exists('host', $parts) &&
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(!array_key_exists('path', $parts) || strcmp($parts['path'], '/') == 0))
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$hostparts = explode('.', $parts['host']);
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# Try to catch common idiom of nickname.service.tld
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if ((count($hostparts) > 2) &&
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(strlen($hostparts[count($hostparts) - 2]) > 3) && # try to skip .co.uk, .com.au
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(strcmp($hostparts[0], 'www') != 0))
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return $hostparts[0];
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# Do the whole hostname
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return $parts['host'];
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if (array_key_exists('path', $parts)) {
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# Strip starting, ending slashes
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$path = preg_replace('@/$@', '', $parts['path']);
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$path = preg_replace('@^/@', '', $path);
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if (strpos($path, '/') === false) {
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function toUserNameXri($xri) {
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$base = $this->xriBase($xri);
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# or @gratis*evan.prodromou
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$parts = explode('*', substr($base, 1));
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return array_pop($parts);
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# Is this name OK to use as a user name?
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function userNameOK($name) {
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global $wgReservedUsernames;
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return (0 == User::idFromName($name) &&
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!in_array( $name, $wgReservedUsernames ));
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# Get an auto-incremented name
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function firstAvailable($prefix) {
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for ($i = 2; ; $i++) { # FIXME: this is the DUMB WAY to do this
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if ($this->userNameOK($name)) {
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function alreadyLoggedIn() {
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global $wgUser, $wgOut;
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$wgOut->setPageTitle( wfMsg( 'openiderror' ) );
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$wgOut->setRobotPolicy( 'noindex,nofollow' );
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$wgOut->setArticleRelated( false );
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$wgOut->addWikiText( wfMsg( 'openidalreadyloggedin', $wgUser->getName() ) );
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$wgOut->returnToMain( false, $this->returnTo() );
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static function getUserUrl( $user ) {
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if ( isset( $user ) && $user->getId() != 0 ) {
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global $wgSharedDB, $wgDBprefix;
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if ( isset( $wgSharedDB ) ) {
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$tableName = "`${wgSharedDB}`.${wgDBprefix}user_openid";
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$tableName = 'user_openid';
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$dbr = wfGetDB( DB_SLAVE );
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array( 'uoi_openid' ),
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array( 'uoi_user' => $user->getId() ),
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# This should return 0 or 1 result, since user is unique
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while ( $row = $res->fetchObject() ) {
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$openid_url = $row->uoi_openid;
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function saveValues($openid, $sreg) {
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global $wgSessionStarted, $wgUser;
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if (!$wgSessionStarted) {
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$wgUser->SetupSession();
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$_SESSION['openid_consumer_identity'] = $openid;
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$_SESSION['openid_consumer_sreg'] = $sreg;
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function clearValues() {
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unset( $_SESSION['openid_consumer_identity'] );
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unset( $_SESSION['openid_consumer_sreg'] );
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function fetchValues() {
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return array( $_SESSION['openid_consumer_identity'], $_SESSION['openid_consumer_sreg'] );
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function returnTo() {
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return $_SESSION['openid_consumer_returnto'];
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function setReturnTo($returnto) {
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$_SESSION['openid_consumer_returnto'] = $returnto;
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function getUserName($openid, $sreg, $choice, $nameValue) {
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return ( ( array_key_exists( 'fullname', $sreg ) ) ? $sreg['fullname'] : null );
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return $this->toUserName( $openid );
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return $this->automaticName( $sreg );
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function automaticName( $sreg ) {
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if ( array_key_exists( 'nickname', $sreg ) && # try auto-generated from nickname
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strlen( $sreg['nickname']) > 0 ) {
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return $this->firstAvailable( $sreg['nickname'] );
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} else { # try auto-generated
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return $this->firstAvailable( wfMsg( 'openidusernameprefix' ) );
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function attachUser( $openid, $sreg, $name, $password ) {
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$user = User::newFromName( $name );
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if ( !$user->checkPassword( $password ) ) {
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$this->setUserUrl( $user, $openid );
added
removed
dist/mediawiki-extensions-openid/usr/share/mediawiki-extensions/openid/SpecialOpenIDFinish.body.php
