* Moving hardcoded styles into CSS.
[lhc/web/wiklou.git] / includes / SpecialUserlogin.php
index b888186..7b5fea8 100644 (file)
@@ -6,12 +6,7 @@
  */
 
 /**
- *
- */
-require_once('UserMailer.php');
-
-/**
- * consutrctor
+ * constructor
  */
 function wfSpecialUserlogin() {
        global $wgCommandLineMode;
@@ -34,8 +29,13 @@ class LoginForm {
        var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
        var $mLoginattempt, $mRemember, $mEmail;
        
+       /**
+        * Constructor
+        * @param webrequest $request A webrequest object passed by reference
+        */
        function LoginForm( &$request ) {
                global $wgLang, $wgAllowRealName, $wgEnableEmail;
+               global $wgEmailAuthentication;
 
                $this->mName = $request->getText( 'wpName' );
                $this->mPassword = $request->getText( 'wpPassword' );
@@ -80,7 +80,7 @@ class LoginForm {
                                return $this->addNewAccountMailPassword();
                        } else if ( $this->mMailmypassword ) {
                                return $this->mailPassword();
-                       } else if ( ( 'submit' == $this->mAction ) || $this->mLoginattempt ) {
+                       } else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
                                return $this->processLogin();
                        }
                }
@@ -92,6 +92,7 @@ class LoginForm {
         */
        function addNewAccountMailPassword() {
                global $wgOut;
+               global $wgEmailAuthentication;
                
                if ('' == $this->mEmail) {
                        $this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
@@ -104,20 +105,37 @@ class LoginForm {
                        return;
                }
 
-               $u->saveSettings();
-               $error = $this->mailPasswordInternal($u);
+               $newadr = strtolower($this->mEmail);
+
+               # prepare for authentication and mail a temporary password to newadr
+               if ( !$u->isValidEmailAddr( $newadr ) ) {
+                       return $this->mainLoginForm( wfMsg( 'invalidemailaddress', $error ) );
+               }
+               $u->mEmail = $newadr; # new behaviour: set this new emailaddr from login-page into user database record
+               $u->mEmailAuthenticationtimestamp = 0; # but flag as "dirty" = unauthenticated
+
+               if ($wgEmailAuthentication) {
+                       $error = $this->mailPasswordInternal( $u, true, $dummy ); # mail a temporary password to the dirty address
+               }
 
                $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
                $wgOut->setArticleRelated( false );
        
-               if ( $error === '' ) {
-                       $wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
-                       $wgOut->returnToMain( false );
+               if ($wgEmailAuthentication) {
+                       if ($error === '') {
+                               return $this->mainLoginForm( wfMsg( 'passwordsentforemailauthentication', $u->getName() ) );
                } else {
-                       $this->mainLoginForm( wfMsg( 'mailerror', $error ) );
+                               return $this->mainLoginForm( wfMsg( 'mailerror', $error ) );
                }
-
+                       # if user returns, that new email address gets authenticated in checkpassword()
+               }
+#              if ( $error === '' ) {
+#                      $wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
+#                      $wgOut->returnToMain( false );
+#              } else {
+#                      $this->mainLoginForm( wfMsg( 'mailerror', $error ) );
+#              }
                $u = 0;
        }
 
@@ -127,7 +145,7 @@ class LoginForm {
         */
        function addNewAccount() {
                global $wgUser, $wgOut;
-               global $wgDeferredUpdateList;
+               global $wgEmailAuthentication;
 
                $u = $this->addNewAccountInternal();
 
@@ -135,11 +153,31 @@ class LoginForm {
                        return;
                }
 
+               $newadr = strtolower($this->mEmail);
+               if ($newadr != '') {            # prepare for authentication and mail a temporary password to newadr
+                       if ( !$u->isValidEmailAddr( $newadr ) ) {
+                               return $this->mainLoginForm( wfMsg( 'invalidemailaddress', $error ) );
+                       }
+                       $u->mEmail = $newadr; # new behaviour: set this new emailaddr from login-page into user database record
+                       $u->mEmailAuthenticationtimestamp = 0; # but flag as "dirty" = unauthenticated
+
+                       if ($wgEmailAuthentication) {
+                               # mail a temporary password to the dirty address
+
+                               $error = $this->mailPasswordInternal( $u, true, $dummy );
+                               if ($error === '') {
+                                       return $this->mainLoginForm( wfMsg( 'passwordsentforemailauthentication', $u->getName() ) );
+                               } else {
+                                       return $this->mainLoginForm( wfMsg( 'mailerror', $error ) );
+                               }
+                               # if user returns, that new email address gets authenticated in checkpassword()
+                       }
+               }
+
                $wgUser = $u;
                $wgUser->setCookies();
 
-               $up = new UserUpdate();
-               array_push( $wgDeferredUpdateList, $up );
+               $wgUser->saveSettings();
 
                if( $this->hasSessionCookie() ) {
                        return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ) );
@@ -148,7 +186,6 @@ class LoginForm {
                }
        }
 
-
        /**
         * @access private
         */
@@ -156,37 +193,43 @@ class LoginForm {
                global $wgUser, $wgOut;
                global $wgMaxNameChars;
                global $wgMemc, $wgAccountCreationThrottle, $wgDBname, $wgIP;
+               global $wgMinimalPasswordLength;
 
                if (!$wgUser->isAllowedToCreateAccount()) {
                        $this->userNotPrivilegedMessage();
-                       return;
+                       return false;
                }
 
                if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
                        $this->mainLoginForm( wfMsg( 'badretype' ) );
-                       return;
+                       return false;
                }
                
                $name = trim( $this->mName );
                $u = User::newFromName( $name );
                if ( is_null( $u ) ||
                  ( '' == $name ) ||
-                 preg_match( "/\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}/", $name ) ||
-                 (strpos( $name, "/" ) !== false) ||
+                 $wgUser->isIP( $name ) ||
+                 (strpos( $name, '/' ) !== false) ||
                  (strlen( $name ) > $wgMaxNameChars) ||
                  ucFirst($name) != $u->getName() ) 
                {
                        $this->mainLoginForm( wfMsg( 'noname' ) );
-                       return;
+                       return false;
                }
                if ( wfReadOnly() ) {
                        $wgOut->readOnlyPage();
-                       return;
+                       return false;
                }
                
                if ( 0 != $u->idForName() ) {
                        $this->mainLoginForm( wfMsg( 'userexists' ) );
-                       return;
+                       return false;
+               }
+
+               if ( strlen( $this->mPassword ) < $wgMinimalPasswordLength ) {
+                       $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
+                       return false;
                }
 
                if ( $wgAccountCreationThrottle ) {
@@ -197,7 +240,7 @@ class LoginForm {
                        }
                        if ( $value > $wgAccountCreationThrottle ) {
                                $this->throttleHit( $wgAccountCreationThrottle );
-                               return;
+                               return false;
                        }
                }
 
@@ -217,6 +260,7 @@ class LoginForm {
                $u->setPassword( $this->mPassword );
                $u->setEmail( $this->mEmail );
                $u->setRealName( $this->mRealName );
+               $u->setToken();
                
                global $wgAuth;
                $wgAuth->initUser( $u );
@@ -232,8 +276,8 @@ class LoginForm {
         * @access private
         */
        function processLogin() {
-               global $wgUser;
-               global $wgDeferredUpdateList;
+               global $wgUser, $wgLang;
+               global $wgEmailAuthentication;
 
                if ( '' == $this->mName ) {
                        $this->mainLoginForm( wfMsg( 'noname' ) );
@@ -244,26 +288,36 @@ class LoginForm {
                        $this->mainLoginForm( wfMsg( 'noname' ) );
                        return;
                }
-               $id = $u->idForName();
-               if ( 0 == $id ) {
+               if ( 0 == $u->getID() ) {
                        global $wgAuth;
                        /**
                         * 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() ) &&
-                           $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
-                           $u =& $this->initUser( $u );
+                       if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
+                               if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
+                                       $u =& $this->initUser( $u );
+                               } else {
+                                       $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
+                                       return;
+                               }
                        } else {
                                $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
                                return;
                        }
                } else {
-                       $u->setId( $id );
                        $u->loadFromDatabase();
                }
+
+               # store temporarily the status before the password check is performed
+               $mailmsg = '';
+               $oldadr = strtolower($u->getEmail());
+               $newadr = strtolower($this->mEmail);
+               $alreadyauthenticated = (( $u->mEmailAuthenticationtimestamp != 0 ) || ($oldadr == '')) ;
+
+               # checkPassword sets EmailAuthenticationtimestamp, if the newPassword is used
+
                if (!$u->checkPassword( $this->mPassword )) {
                        $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
                        return;
@@ -278,14 +332,54 @@ class LoginForm {
                }
                $u->setOption( 'rememberpassword', $r );
 
+               /* check if user with correct password has entered a new email address */
+               if (($newadr <> '') && ($newadr <> $oldadr)) { # the user supplied a new email address on the login page
+
+                       # prepare for authentication and mail a temporary password to newadr
+                       if ( !$u->isValidEmailAddr( $newadr ) ) {
+                               return $this->mainLoginForm( wfMsg( 'invalidemailaddress', $error ) );
+                       }
+                       $u->mEmail = $newadr; # new behaviour: store this new emailaddr from login-page now into user database record ...
+                       $u->mEmailAuthenticationtimestamp = 0; # ... but flag the address as "dirty" (unauthenticated)
+                       $alreadyauthenticated = false;
+
+                       if ($wgEmailAuthentication) {
+
+                               # mail a temporary one-time password to the dirty address and return here to complete the user login
+                               # if the user returns now or later using this temp. password, then the new email address $newadr
+                               # - which is already stored in his user record - gets authenticated in checkpassword()
+
+                               $error = $this->mailPasswordInternal( $u, false, $newpassword_temp);
+                               $u->mNewpassword = $newpassword_temp;
+
+                               #       The temporary password is mailed. The user is logged-in as he entered his correct password
+                               #       This appears to be more intuitive than alternative 2.
+
+                               if ($error === '') {
+                                       $mailmsg = '<br />' . wfMsg( 'passwordsentforemailauthentication', $u->getName() );
+                               } else {
+                                       $mailmsg = '<br />' . wfMsg( 'mailerror', $error ) ;
+                               }
+                       }
+               }
+
                $wgUser = $u;
                $wgUser->setCookies();
 
-               $up = new UserUpdate();
-               array_push( $wgDeferredUpdateList, $up );
+               # save all settings (incl. new email address and/or temporary password, if applicable)
+               $wgUser->saveSettings();
+               
+               if ( !$wgEmailAuthentication || $alreadyauthenticated ) {
+                       $authenticated = '';
+                       $mailmsg = '';
+               } elseif ($u->mEmailAuthenticationtimestamp != 0) {
+                               $authenticated = ' ' . wfMsg( 'emailauthenticated', $wgLang->timeanddate( $u->mEmailAuthenticationtimestamp, true ) );
+                       } else {
+                               $authenticated = ' ' . wfMsg( 'emailnotauthenticated' );
+                       }
 
                if( $this->hasSessionCookie() ) {
-                       return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
+                       return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) . $authenticated .  $mailmsg );
                } else {
                        return $this->cookieRedirectCheck( 'login' );
                }
@@ -307,60 +401,71 @@ class LoginForm {
                        $this->mainLoginForm( wfMsg( 'noname' ) );
                        return;
                }
-               $id = $u->idForName();
-               if ( 0 == $id ) {
+               if ( 0 == $u->getID() ) {
                        $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
                        return;
                }
-               $u->setId( $id );
+
                $u->loadFromDatabase();
 
-               $error = $this->mailPasswordInternal( $u );
+               $error = $this->mailPasswordInternal( $u, true, $dummy );
                if ($error === '') {
                        $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
                } else {
                        $this->mainLoginForm( wfMsg( 'mailerror', $error ) );
                }
-
+               return;
        }
 
 
        /**
         * @access private
         */
-       function mailPasswordInternal( $u ) {
-               global $wgDeferredUpdateList, $wgOutputEncoding;
+       function mailPasswordInternal( $u, $savesettings = true, &$newpassword_out ) {
                global $wgPasswordSender, $wgDBname, $wgIP;
                global $wgCookiePath, $wgCookieDomain;
 
                if ( '' == $u->getEmail() ) {
                        return wfMsg( 'noemail', $u->getName() );
                }
-               $np = User::randomPassword();
+
+               $np = $u->randomPassword();
                $u->setNewpassword( $np );
 
+               # we want to store this new password together with other values in the calling function
+               $newpassword_out = $u->mNewpassword;
+
+               # WHY IS THIS HERE ? SHOULDN'T IT BE User::setcookie ???
                setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
+
+               if ($savesettings) {
                $u->saveSettings();
+               }
 
                $ip = $wgIP;
                if ( '' == $ip ) { $ip = '(Unknown)'; }
 
-               $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
+               $m = wfMsg( 'passwordremindermailbody', $ip, $u->getName(), wfUrlencode($u->getName()), $np );
 
-               $error = userMailer( $u->getEmail(), $wgPasswordSender, wfMsg( 'passwordremindertitle' ), $m );
+               require_once('UserMailer.php');
+               $error = userMailer( $u->getEmail(), $wgPasswordSender, wfMsg( 'passwordremindermailsubject' ), $m );
                
                return htmlspecialchars( $error );
        }
 
 
        /**
+        * @param string $msg Message that will be shown on success.
         * @access private
         */
        function successfulLogin( $msg ) {
                global $wgUser;
-               global $wgDeferredUpdateList;
                global $wgOut;
 
+               # Run any hooks; ignore results
+               
+               wfRunHooks('UserLoginComplete', array(&$wgUser));
+               
                $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
                $wgOut->setArticleRelated( false );
@@ -368,8 +473,9 @@ class LoginForm {
                $wgOut->returnToMain();
        }
 
+       /** */
        function userNotPrivilegedMessage() {
-               global $wgOut, $wgUser, $wgLang;
+               global $wgOut;
                
                $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
@@ -386,22 +492,22 @@ class LoginForm {
        function mainLoginForm( $err ) {
                global $wgUser, $wgOut, $wgLang;
                global $wgDBname, $wgAllowRealName, $wgEnableEmail;
+               global $wgEmailAuthentication;
 
                if ( '' == $this->mName ) {
-                       if ( 0 != $wgUser->getID() ) {
+                       if ( $wgUser->isLoggedIn() ) {
                                $this->mName = $wgUser->getName();
                        } else {
                                $this->mName = @$_COOKIE[$wgDBname.'UserName'];
                        }
                }
 
-               $q = 'action=submit';
+               $q = 'action=submitlogin';
                if ( !empty( $this->mReturnto ) ) {
                        $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
                }
                $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 
-
                require_once( 'templates/Userlogin.php' );
                $template =& new UserloginTemplate();
                
@@ -414,10 +520,11 @@ class LoginForm {
                $template->set( 'action', $titleObj->getLocalUrl( $q ) );
                $template->set( 'error', $err );
                $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
-               $template->set( 'createemail', $wgEnableEmail && $wgUser->getID() != 0 );
+               $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
                $template->set( 'userealname', $wgAllowRealName );
                $template->set( 'useemail', $wgEnableEmail );
-               $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) );
+               $template->set( 'useemailauthent', $wgEmailAuthentication );
+               $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
                
                $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
                $wgOut->setRobotpolicy( 'noindex,nofollow' );