424 lines
12 KiB
PHP
424 lines
12 KiB
PHP
<?php
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/**
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* Speclial:Contact, a contact form for visitors.
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* Based on SpecialEmailUser.php
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*
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* @file
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* @ingroup SpecialPage
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* @author Daniel Kinzler, brightbyte.de
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* @copyright © 2007 Daniel Kinzler
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* @license GNU General Public Licence 2.0 or later
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*/
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if( !defined( 'MEDIAWIKI' ) ) {
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echo( "not a valid entry point.\n" );
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die( 1 );
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}
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/**
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* Provides the contact form
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* @ingroup SpecialPage
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*/
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class SpecialContact extends SpecialPage {
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/**
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* Constructor
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*/
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public function __construct() {
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parent::__construct( 'Contact' );
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}
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/**
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* Main execution function
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*
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* @param $par Mixed: Parameters passed to the page
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*/
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public function execute( $par ) {
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global $wgUser, $wgOut, $wgRequest, $wgEnableEmail, $wgContactUser;
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wfLoadExtensionMessages( 'ContactPage' );
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if( !$wgEnableEmail || !$wgContactUser ) {
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$wgOut->showErrorPage( 'nosuchspecialpage', 'nospecialpagetext' );
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return;
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}
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$action = $wgRequest->getVal( 'action' );
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$nu = User::newFromName( $wgContactUser );
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if( is_null( $nu ) || !$nu->canReceiveEmail() ) {
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wfDebug( "Target is invalid user or can't receive.\n" );
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$wgOut->showErrorPage( 'noemailtitle', 'noemailtext' );
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return;
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}
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// Blocked users cannot use the contact form.
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if ( $wgUser->isAllowed( 'sendemail' ) ) {
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$wgOut->setPageTitle( wfMsg( 'blockedtitle' ) );
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$wgOut->setRobotPolicy( 'noindex,nofollow' );
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$wgOut->setArticleRelated( false );
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$ip = wfGetIP();
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$blocker = User::whoIs( $wgUser->mBlock->mBy );
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$blockReason = $wgUser->mBlock->mReason;
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if ( strval( $blockReason ) === '' ) {
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$blockReason = wfMsg( 'blockednoreason' );
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}
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$wgOut->addWikiMsg( 'blockedtext', $ip, $blockReason, $blocker );
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$wgOut->returnToMain( false );
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return;
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}
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$f = new EmailContactForm( $nu );
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if ( 'success' == $action ) {
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wfDebug( __METHOD__ . ": success.\n" );
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$f->showSuccess();
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} elseif ( 'submit' == $action && $wgRequest->wasPosted() && $f->hasAllInfo() ) {
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$token = $wgRequest->getVal( 'wpEditToken' );
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if( $wgUser->isAnon() ) {
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# Anonymous users may not have a session
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# open. Check for suffix anyway.
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$tokenOk = ( EDIT_TOKEN_SUFFIX == $token );
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} else {
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$tokenOk = $wgUser->matchEditToken( $token );
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}
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if ( !$tokenOk ) {
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wfDebug( __METHOD__ . ": bad token (" . ( $wgUser->isAnon() ? 'anon' : 'user' ) . "): $token\n" );
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$wgOut->addWikiMsg( 'sessionfailure' );
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$f->showForm();
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} elseif ( !$f->passCaptcha() ) {
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wfDebug( __METHOD__ . ": captcha failed" );
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$wgOut->addWikiMsg( 'contactpage-captcha-failed' );
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$f->showForm();
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} else {
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wfDebug( __METHOD__ . ": submit\n" );
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$f->doSubmit();
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}
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} else {
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wfDebug( __METHOD__ . ": form\n" );
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$f->showForm();
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}
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}
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}
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/**
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* @todo document
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* @ingroup SpecialPage
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*/
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class EmailContactForm {
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var $target;
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var $text, $subject;
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var $cc_me; // Whether user requested to be sent a separate copy of their email.
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/**
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* @param User $target
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*/
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function __construct( $target ) {
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global $wgRequest, $wgUser;
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global $wgCaptchaClass;
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$this->target = $target;
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$this->text = $wgRequest->getText( 'wpText' );
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$this->subject = $wgRequest->getText( 'wpSubject' );
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$this->cc_me = $wgRequest->getBool( 'wpCCMe' );
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$this->includeIP = $wgRequest->getBool( 'wpIncludeIP' );
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$this->fromname = $wgRequest->getText( 'wpFromName' );
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$this->fromaddress = $wgRequest->getText( 'wpFromAddress' );
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if( $wgUser->isLoggedIn() ) {
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if( !$this->fromname ) {
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$this->fromname = $wgUser->getName();
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}
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if( !$this->fromaddress ) {
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$this->fromaddress = $wgUser->getEmail();
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}
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}
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// prepare captcha if applicable
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if ( $this->useCaptcha() ) {
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$captcha = ConfirmEditHooks::getInstance();
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$captcha->trigger = 'contactpage';
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$captcha->action = 'contact';
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}
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}
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function hasAllInfo() {
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global $wgContactRequireAll;
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if ( $this->text === null ) {
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return false;
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} else {
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$this->text = trim( $this->text );
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}
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if ( $this->text === '' ) {
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return false;
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}
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if ( $wgContactRequireAll ) {
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if ( $this->fromname === null ) {
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return false;
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} else {
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$this->fromname = trim( $this->fromname );
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}
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if ( $this->fromname === '' ) {
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return false;
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}
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if ( $this->fromaddress === null ) {
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return false;
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} else {
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$this->fromaddress = trim( $this->fromaddress );
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}
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if ( $this->fromaddress === '' ) {
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return false;
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}
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}
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return true;
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}
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function showForm() {
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global $wgOut, $wgUser, $wgContactRequireAll, $wgContactIncludeIP;
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#TODO: show captcha
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$wgOut->setPageTitle( wfMsg( 'contactpage-title' ) );
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$wgOut->addWikiMsg( 'contactpage-pagetext' );
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if ( $this->subject === '' ) {
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$this->subject = wfMsgForContent( 'contactpage-defsubject' );
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}
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$msgSuffix = $wgContactRequireAll ? '-required' : '';
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$titleObj = SpecialPage::getTitleFor( 'Contact' );
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$action = $titleObj->getLocalURL( 'action=submit' );
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$token = $wgUser->isAnon() ? EDIT_TOKEN_SUFFIX : $wgUser->editToken(); //this kind of sucks, really...
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$form =
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Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action, 'id' => 'emailuser' ) ) .
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Xml::openElement( 'fieldset' ) .
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Xml::element( 'legend', null, wfMsg( 'contactpage-legend' ) ) .
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Xml::openElement( 'table', array( 'id' => 'mailheader' ) ) .
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'<tr>
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<td class="mw-label">' .
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Xml::label( wfMsg( 'emailsubject' ), 'wpSubject' ) .
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'</td>
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<td class="mw-input" id="mw-contactpage-subject">' .
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Xml::input( 'wpSubject', 60, $this->subject, array( 'type' => 'text', 'maxlength' => 200 ) ) .
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'</td>
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</tr>
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<tr>
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<td class="mw-label">' .
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Xml::label( wfMsg( "contactpage-fromname$msgSuffix" ), 'wpFromName' ) .
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'</td>
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<td class="mw-input" id="mw-contactpage-from">' .
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Xml::input( 'wpFromName', 60, $this->fromname, array( 'type' => 'text', 'maxlength' => 200 ) ) .
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'</td>
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</tr>
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<tr>
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<td class="mw-label">' .
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Xml::label( wfMsg( "contactpage-fromaddress$msgSuffix" ), 'wpFromAddress' ) .
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'</td>
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<td class="mw-input" id="mw-contactpage-address">' .
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Xml::input( 'wpFromAddress', 60, $this->fromaddress, array( 'type' => 'text', 'maxlength' => 200 ) ) .
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'</td>
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</tr>';
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// Allow other extensions to add more fields into Special:Contact
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wfRunHooks( 'ContactFormBeforeMessage', array( $this, &$form ) );
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$form .= '<tr>
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<td></td>
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<td class="mw-input" id="mw-contactpage-formfootnote">
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<small>' . wfMsg( "contactpage-formfootnotes$msgSuffix" ) . '</small>
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</td>
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</tr>
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<tr>
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<td class="mw-label">' .
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Xml::label( wfMsg( 'emailmessage' ), 'wpText' ) .
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'</td>
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<td class="mw-input">' .
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Xml::textarea( 'wpText', $this->text, 80, 20, array( 'id' => 'wpText' ) ) .
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'</td>
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</tr>';
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if ( $wgContactIncludeIP && $wgUser->isLoggedIn() ) {
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$form .= '<tr>
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<td></td>
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<td class="mw-input">' .
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Xml::checkLabel( wfMsg( 'contactpage-includeip' ), 'wpIncludeIP', 'wpIncludeIP', false ) .
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'</td>
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</tr>';
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}
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$form .= '<tr>
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<td></td>
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<td class="mw-input">' .
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Xml::checkLabel( wfMsg( 'emailccme' ), 'wpCCMe', 'wpCCMe', $wgUser->getBoolOption( 'ccmeonemails' ) ) .
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'<br />' . $this->getCaptcha() .
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'</td>
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</tr>
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<tr>
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<td></td>
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<td class="mw-submit">' .
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Xml::submitButton( wfMsg( 'emailsend' ), array( 'name' => 'wpSend', 'accesskey' => 's' ) ) .
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'</td>
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</tr>' .
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Xml::hidden( 'wpEditToken', $token ) .
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Xml::closeElement( 'table' ) .
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Xml::closeElement( 'fieldset' ) .
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Xml::closeElement( 'form' );
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$wgOut->addHTML( $form );
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}
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function useCaptcha() {
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global $wgCaptchaClass, $wgCaptchaTriggers, $wgUser;
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if ( !$wgCaptchaClass ) {
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return false; // no captcha installed
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}
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if ( !@$wgCaptchaTriggers['contactpage'] ) {
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return false; // don't trigger on contact form
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}
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if( $wgUser->isAllowed( 'skipcaptcha' ) ) {
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wfDebug( "EmailContactForm::useCaptcha: user group allows skipping captcha\n" );
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return false;
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}
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return true;
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}
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function getCaptcha() {
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global $wgCaptcha;
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if ( !$this->useCaptcha() ) {
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return '';
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}
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wfSetupSession(); #NOTE: make sure we have a session. May be required for captchas to work.
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return '<div class="captcha">' .
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$wgCaptcha->getForm() .
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wfMsgWikiHtml( 'contactpage-captcha' ) .
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"</div>\n";
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}
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function passCaptcha() {
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global $wgCaptcha;
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if ( !$this->useCaptcha() ) {
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return true;
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}
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return $wgCaptcha->passCaptcha();
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}
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function doSubmit() {
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global $wgOut, $wgUser;
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global $wgEnableEmail, $wgUserEmailUseReplyTo, $wgEmergencyContact;
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global $wgContactUser, $wgContactSender, $wgContactSenderName, $wgContactIncludeIP;
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$csender = $wgContactSender ? $wgContactSender : $wgEmergencyContact;
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$cname = $wgContactSenderName;
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$senderIP = wfGetIP();
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wfDebug( __METHOD__ . ": start\n" );
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$targetAddress = new MailAddress( $this->target );
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$replyto = null;
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$contactSender = new MailAddress( $csender, $cname );
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if ( !$this->fromaddress ) {
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$submitterAddress = $contactSender;
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} else {
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$submitterAddress = new MailAddress( $this->fromaddress, $this->fromname );
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if ( $wgUserEmailUseReplyTo ) {
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$replyto = $submitterAddress;
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}
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}
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$subject = trim( $this->subject );
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if ( $subject === '' ) {
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$subject = wfMsgForContent( 'contactpage-defsubject' );
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}
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$includeIP = $wgContactIncludeIP && ( $this->includeIP || $wgUser->isAnon() );
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if ( $this->fromname !== '' ) {
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if ( $includeIP ) {
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$subject = wfMsgForContent( 'contactpage-subject-and-sender-withip', $subject, $this->fromname, $senderIP );
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} else {
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$subject = wfMsgForContent( 'contactpage-subject-and-sender', $subject, $this->fromname );
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}
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} elseif ( $this->fromaddress !== '' ) {
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if ( $includeIP ) {
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$subject = wfMsgForContent( 'contactpage-subject-and-sender-withip', $subject, $this->fromaddress, $senderIP );
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} else {
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$subject = wfMsgForContent( 'contactpage-subject-and-sender', $subject, $this->fromaddress );
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}
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} else if ( $includeIP ) {
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$subject = wfMsgForContent( 'contactpage-subject-and-sender', $subject, $senderIP );
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}
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if( !wfRunHooks( 'ContactForm', array( &$targetAddress, &$replyto, &$subject, &$this->text ) ) ) {
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wfDebug( __METHOD__ . ": aborted by hook\n" );
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return;
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}
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wfDebug( __METHOD__ . ": sending mail from " . $submitterAddress->toString() .
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" to " . $targetAddress->toString().
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" replyto " . ( $replyto == null ? '-/-' : $replyto->toString() ) . "\n" );
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$mailResult = UserMailer::send( $targetAddress, $submitterAddress, $subject, $this->text, $replyto );
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if( WikiError::isError( $mailResult ) ) {
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$wgOut->addWikiMsg( 'usermailererror' ) . $mailResult->getMessage();
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wfDebug( __METHOD__ . ": got error from UserMailer: " . $mailResult->getMessage() . "\n" );
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return;
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}
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// if the user requested a copy of this mail, do this now,
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// unless they are emailing themselves, in which case one copy of the message is sufficient.
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if( $this->cc_me && $this->fromaddress ) {
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$cc_subject = wfMsg( 'emailccsubject', $this->target->getName(), $subject );
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if( wfRunHooks( 'ContactForm', array( &$submitterAddress, &$contactSender, &$cc_subject, &$this->text ) ) ) {
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wfDebug( __METHOD__ . ": sending cc mail from " . $contactSender->toString() .
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" to " . $submitterAddress->toString() . "\n" );
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$ccResult = UserMailer::send( $submitterAddress, $contactSender, $cc_subject, $this->text );
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if( WikiError::isError( $ccResult ) ) {
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// At this stage, the user's CC mail has failed, but their
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// original mail has succeeded. It's unlikely, but still, what to do?
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// We can either show them an error, or we can say everything was fine,
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// or we can say we sort of failed AND sort of succeeded. Of these options,
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// simply saying there was an error is probably best.
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$wgOut->addWikiText( wfMsg( 'usermailererror' ) . $ccResult );
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return;
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}
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}
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}
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wfDebug( __METHOD__ . ": success\n" );
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$titleObj = SpecialPage::getTitleFor( 'Contact' );
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$wgOut->redirect( $titleObj->getFullURL( 'action=success' ) );
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wfRunHooks( 'ContactFromComplete', array( $targetAddress, $replyto, $subject, $this->text ) );
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wfDebug( __METHOD__ . ": end\n" );
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}
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function showSuccess() {
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global $wgOut;
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$wgOut->setPageTitle( wfMsg( 'emailsent' ) );
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$wgOut->addWikiMsg( 'emailsenttext' );
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$wgOut->returnToMain( false );
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}
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}
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