Extension:Login At Edit/LoginAtEdit.php

<?php
 
# Login At Edit Extension for MediaWiki, version 0.1
# Copyright 2006 Evan Miller

# This extension integrates a login form into the edit form,
# so you can provide your log in credentials at the same time
# you submit a page edit.

# THIS EXTENSION IS A TOTAL HACK. IT MAY BREAK SOMETHING UNEXPECTED. 
# DO NOT USE UNLESS YOU ARE WILLING TO CONTRACT DIPHTHERIA.

$wgHooks['EditFilter'][] = 'loginAtEdit_CheckCredentials';
$wgHooks['EditPage::showEditForm:initial'][] = 'loginAtEdit_InsertLoginForm';
 
# This method was ripped off of processLogin of SpecialUserlogin.php,
# replacing notices straight to wgOut.

$wgExtensionCredits['other'][] = array(
        'name' => 'Login At Edit',
        'version' => '0.1',
        'author' => 'Evan Miller',
        'url' => 'http://www.mediawiki.org/wiki/Extension:Login_At_Edit',
        'description' => 'Integrates a login form into the edit form',
);
 
function loginAtEdit_CheckCredentials($form, $textbox, $section) {
    global $wgUser, $wgAuth, $wgReservedUsernames, $wgOut, $wgDisableCookieCheck;
    if ($wgUser->isLoggedIn()) {
    return true;
    }
    $name = $form->editintro;
    $pass = $form->textbox2;
    if ( '' == $name ) {
    $wgOut->setPageTitle( "Log in problem" );
    $wgOut->addWikiText( wfMsg( 'noname' ) );
    return false;
    }
    $u = User::newFromName( $name );
    if( is_null( $u ) || in_array( $u->getName(), $wgReservedUsernames ) ) {
    $wgOut->setPageTitle( "Log in problem" );
    $wgOut->addWikiText( wfMsg( 'noname' ) );
    return false;
    }
    if ( 0 == $u->getID() ) {
    /**
    * If the external authentication plugin allows it,
    * automatically create a new account for users that
    * are externally defined but have not yet logged in.
    */
    if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
        if ( $wgAuth->authenticate( $u->getName(), $pass ) ) {
        $u =& $this->initUser( $u );
        } else {
        $wgOut->setPageTitle( "Log in problem" );
        $wgOut->addWikiText( wfMsg( 'wrongpassword' ) );
        return false;
        }
    } else {
        $wgOut->setPageTitle( "Log in problem" );
        $wgOut->addWikiText( wfMsg( 'nosuchuser', $u->getName() ) );
        return false;
    }
    } else {
    $u->loadFromDatabase();
    }
 
    if (!$u->checkPassword( $pass )) {
    $wgOut->setPageTitle( "Log in problem" );
    $wgOut->addWikiText( wfMsg( $pass == '' ? 'wrongpasswordempty' : 'wrongpassword' ) );
    return false;
    }
 
    # We've verified now, update the real record
    #
    $r = 0;
    # Maybe we can pack in the "Remember me" too?
    /*
    if ( $this->mRemember ) {
    $r = 1;
    } else {
    $r = 0;
    }
    */
    $u->setOption( 'rememberpassword', $r );
 
    $wgAuth->updateUser( $u );
 
    $wgUser = $u;
    $wgUser->setCookies();
 
    $wgUser->saveSettings();
 
    if( !$wgDisableCookieCheck && !isset( $_COOKIE[session_name()] ) ) {
    $wgOut->setPageTitle( "Log in problem" );
    $wgOut->addWikiText("'''Please make sure cookies are enabled in your browser'''");
    return false;
    } 
    return true;
}
 
function loginAtEdit_InsertLoginForm($form) {
    global $wgOut, $wgUser;
 
    if ($wgUser->isLoggedIn()) {
    return;
    }
 
    $output = <<<END
<script type="$wgJsMimeType"><!-- 
//<!CDATA[
function insertLoginForm() {
    var editform = document.getElementById('editform')
 
    // We smuggle in user/pass info by calling them
    // variables that are extracted from the form
    // but not actually used (as far as I can tell)
    var username_span = document.createElement('span');
    username_span.innerHTML = 'User name:';
 
    var password_span = document.createElement('span');
    password_span.innerHTML = '&nbsp;&nbsp;Password:';
 
    var username = document.createElement('input');
    username.setAttribute("name", "editintro");
    username.setAttribute("type", "text");
    username.setAttribute("tabindex", "2");
 
    var password = document.createElement('input');
    password.setAttribute("name", "wpTextbox2");
    password.setAttribute("type", "password");
    password.setAttribute("tabindex", "3");
 
    br = document.createElement('br');
 
    var bump = [ 'wpSummary', 'wpMinoredit', 'wpSave', 'wpPreview', 'wpDiff' ];
 
    for(var i=0;bump[i];i++) {
    var elem = document.getElementById(bump[i]);
    if (elem != null) {
        elem.setAttribute("tabindex", parseInt(elem.getAttribute("tabindex")) + 2);
    }
    }
    marker = document.getElementById('editpage-copywarn');
    editform.insertBefore(br, marker);
    editform.insertBefore(username_span, marker);
    editform.insertBefore(username, marker);
    editform.insertBefore(password_span, marker);
    editform.insertBefore(password, marker);
}
 
function addLoadEvent(func) { 
    var oldonload = window.onload; 
    if (typeof oldonload == 'function') { 
    window.onload = function() { 
        oldonload(); 
        func(); 
    }; 
    } else { 
    window.onload = func; 
    } 
} 
addLoadEvent(insertLoginForm);
//-->
</script>
END;
    $wgOut->addHTML($output);
    return true;
}