includes/SpecialUserlogin.php

   1 <?php
   2
   3 require_once('UserMailer.php');
   4
   5 function wfSpecialUserlogin()
   6 {
   7         global $wgCommandLineMode;
   8         global $wgRequest;
   9         if( !$wgCommandLineMode && !isset( $_COOKIE[ini_get("session.name")] )  ) {
  10                 User::SetupSession();
  11         }
  12
  13         $form = new LoginForm( $wgRequest );
  14         $form->execute();
  15 }
  16
  17 class LoginForm {
  18         var $mName, $mPassword, $mRetype, $mReturnto, $mCookieCheck, $mPosted;
  19         var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
  20         var $mLoginattempt, $mRemember, $mEmail;
  21
  22         function LoginForm( &$request ) {
  23                 global $wgLang, $wgAllowRealName;
  24
  25                 $this->mName = $request->getText( 'wpName' );
  26                 $this->mPassword = $request->getText( 'wpPassword' );
  27                 $this->mRetype = $request->getText( 'wpRetype' );
  28                 $this->mReturnto = $request->getVal( 'returnto' );
  29                 $this->mCookieCheck = $request->getVal( "wpCookieCheck" );
  30                 $this->mPosted = $request->wasPosted();
  31                 $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
  32                 $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' );
  33                 $this->mMailmypassword = $request->getCheck( 'wpMailmypassword' );
  34                 $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
  35                 $this->mAction = $request->getVal( 'action' );
  36                 $this->mRemember = $request->getCheck( 'wpRemember' );
  37                 $this->mEmail = $request->getText( 'wpEmail' );
  38                 if ($wgAllowRealName) {
  39                     $this->mRealName = $request->getText( 'wpRealName' );
  40                 } else {
  41                     $this->mRealName = '';
  42                 }
  43
  44                 # When switching accounts, it sucks to get automatically logged out
  45                 if( $this->mReturnto == $wgLang->specialPage( "Userlogout" ) ) {
  46                         $this->mReturnto = "";
  47                 }
  48         }
  49
  50         function execute() {
  51                 if ( !is_null( $this->mCookieCheck ) ) {
  52                         $this->onCookieRedirectCheck( $this->mCookieCheck );
  53                         return;
  54                 } else if( $this->mPosted ) {
  55                         if( $this->mCreateaccount ) {
  56                                 return $this->addNewAccount();
  57                         } else if ( $this->mCreateaccountMail ) {
  58                                 return $this->addNewAccountMailPassword();
  59                         } else if ( $this->mMailmypassword ) {
  60                                 return $this->mailPassword();
  61                         } else if ( ( "submit" == $this->mAction ) || $this->mLoginattempt ) {
  62                                 return $this->processLogin();
  63                         }
  64                 }
  65                 $this->mainLoginForm( "" );
  66         }
  67
  68         /* private */ function addNewAccountMailPassword()
  69         {
  70                 global $wgOut;
  71
  72                 if ("" == $this->mEmail) {
  73                         $this->mainLoginForm( wfMsg( "noemail", $this->mName ) );
  74                         return;
  75                 }
  76
  77                 $u = $this->addNewaccountInternal();
  78
  79                 if ($u == NULL) {
  80                         return;
  81                 }
  82
  83                 $u->saveSettings();
  84                 $error = $this->mailPasswordInternal($u);
  85
  86                 $wgOut->setPageTitle( wfMsg( "accmailtitle" ) );
  87                 $wgOut->setRobotpolicy( "noindex,nofollow" );
  88                 $wgOut->setArticleRelated( false );
  89
  90                 if ( $error === "" ) {
  91                         $wgOut->addWikiText( wfMsg( "accmailtext", $u->getName(), $u->getEmail() ) );
  92                         $wgOut->returnToMain( false );
  93                 } else {
  94                         $this->mainLoginForm( wfMsg( "mailerror", $error ) );
  95                 }
  96
  97                 $u = 0;
  98         }
  99
 100
 101         /* private */ function addNewAccount()
 102         {
 103                 global $wgUser, $wgOut;
 104                 global $wgDeferredUpdateList;
 105
 106                 $u = $this->addNewAccountInternal();
 107
 108                 if ($u == NULL) {
 109                         return;
 110                 }
 111
 112                 $wgUser = $u;
 113                 $wgUser->setCookies();
 114
 115                 $up = new UserUpdate();
 116                 array_push( $wgDeferredUpdateList, $up );
 117
 118                 if( $this->hasSessionCookie() ) {
 119                         return $this->successfulLogin( wfMsg( "welcomecreation", $wgUser->getName() ) );
 120                 } else {
 121                         return $this->cookieRedirectCheck( "new" );
 122                 }
 123         }
 124
 125
 126         /* private */ function addNewAccountInternal()
 127         {
 128                 global $wgUser, $wgOut;
 129                 global $wgMaxNameChars;
 130                 global $wgMemc, $wgAccountCreationThrottle, $wgDBname, $wgIP;
 131
 132                 if (!$wgUser->isAllowedToCreateAccount()) {
 133                         $this->userNotPrivilegedMessage();
 134                         return;
 135                 }
 136
 137                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 138                         $this->mainLoginForm( wfMsg( "badretype" ) );
 139                         return;
 140                 }
 141
 142                 $name = trim( $this->mName );
 143                 $u = User::newFromName( $name );
 144                 if ( ( "" == $name ) ||
 145                   preg_match( "/\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}/", $name ) ||
 146                   (strpos( $name, "/" ) !== false) ||
 147                   (strlen( $name ) > $wgMaxNameChars) ||
 148                   ucFirst($name) != $u->getName() )
 149                 {
 150                         $this->mainLoginForm( wfMsg( "noname" ) );
 151                         return;
 152                 }
 153                 if ( wfReadOnly() ) {
 154                         $wgOut->readOnlyPage();
 155                         return;
 156                 }
 157
 158                 if ( 0 != $u->idForName() ) {
 159                         $this->mainLoginForm( wfMsg( "userexists" ) );
 160                         return;
 161                 }
 162
 163                 if ( $wgAccountCreationThrottle ) {
 164                         $key = "$wgDBname:acctcreate:ip:$wgIP";
 165                         $value = $wgMemc->incr( $key );
 166                         if ( !$value ) {
 167                                 $wgMemc->set( $key, 1, 86400 );
 168                         }
 169                         if ( $value > $wgAccountCreationThrottle ) {
 170                                 $this->throttleHit( $wgAccountCreationThrottle );
 171                                 return;
 172                         }
 173                 }
 174
 175                 $u->addToDatabase();
 176                 $u->setPassword( $this->mPassword );
 177                 $u->setEmail( $this->mEmail );
 178                 $u->setRealName( $this->mRealName );
 179
 180                 if ( $this->mRemember ) { $r = 1; }
 181                 else { $r = 0; }
 182                 $u->setOption( "rememberpassword", $r );
 183
 184                 return $u;
 185         }
 186
 187
 188
 189         /* private */ function processLogin()
 190         {
 191                 global $wgUser;
 192                 global $wgDeferredUpdateList;
 193
 194                 if ( "" == $this->mName ) {
 195                         $this->mainLoginForm( wfMsg( "noname" ) );
 196                         return;
 197                 }
 198                 $u = User::newFromName( $this->mName );
 199                 $id = $u->idForName();
 200                 if ( 0 == $id ) {
 201                         $this->mainLoginForm( wfMsg( "nosuchuser", $u->getName() ) );
 202                         return;
 203                 }
 204                 $u->setId( $id );
 205                 $u->loadFromDatabase();
 206                 if (!$u->checkPassword( $this->mPassword )) {
 207                         $this->mainLoginForm( wfMsg( "wrongpassword" ) );
 208                         return;
 209                 }
 210
 211                 # We've verified now, update the real record
 212                 #
 213                 if ( $this->mRemember ) {
 214                         $r = 1;
 215                         $u->setCookiePassword( $this->mPassword );
 216                 } else {
 217                         $r = 0;
 218                 }
 219                 $u->setOption( "rememberpassword", $r );
 220
 221                 $wgUser = $u;
 222                 $wgUser->setCookies();
 223
 224                 $up = new UserUpdate();
 225                 array_push( $wgDeferredUpdateList, $up );
 226
 227                 if( $this->hasSessionCookie() ) {
 228                         return $this->successfulLogin( wfMsg( "loginsuccess", $wgUser->getName() ) );
 229                 } else {
 230                         return $this->cookieRedirectCheck( "login" );
 231                 }
 232         }
 233
 234         /* private */ function mailPassword()
 235         {
 236                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 237                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 238
 239                 if ( "" == $this->mName ) {
 240                         $this->mainLoginForm( wfMsg( "noname" ) );
 241                         return;
 242                 }
 243                 $u = User::newFromName( $this->mName );
 244                 $id = $u->idForName();
 245                 if ( 0 == $id ) {
 246                         $this->mainLoginForm( wfMsg( "nosuchuser", $u->getName() ) );
 247                         return;
 248                 }
 249                 $u->setId( $id );
 250                 $u->loadFromDatabase();
 251
 252                 $error = $this->mailPasswordInternal( $u );
 253                 if ($error === "") {
 254                         $this->mainLoginForm( wfMsg( "passwordsent", $u->getName() ) );
 255                 } else {
 256                         $this->mainLoginForm( wfMsg( "mailerror", $error ) );
 257                 }
 258
 259         }
 260
 261
 262         /* private */ function mailPasswordInternal( $u )
 263         {
 264                 global $wgDeferredUpdateList, $wgOutputEncoding;
 265                 global $wgPasswordSender, $wgDBname, $wgIP;
 266                 global $wgCookiePath, $wgCookieDomain;
 267
 268                 if ( "" == $u->getEmail() ) {
 269                         $this->mainLoginForm( wfMsg( "noemail", $u->getName() ) );
 270                         return;
 271                 }
 272                 $np = User::randomPassword();
 273                 $u->setNewpassword( $np );
 274
 275                 setcookie( "{$wgDBname}Password", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 276                 $u->saveSettings();
 277
 278                 $ip = $wgIP;
 279                 if ( "" == $ip ) { $ip = "(Unknown)"; }
 280
 281                 $m = wfMsg( "passwordremindertext", $ip, $u->getName(), $np );
 282
 283                 $error = userMailer( $u->getEmail(), $wgPasswordSender, wfMsg( "passwordremindertitle" ), $m );
 284
 285                 return $error;
 286         }
 287
 288
 289
 290
 291
 292         /* private */ function successfulLogin( $msg )
 293         {
 294                 global $wgUser;
 295                 global $wgDeferredUpdateList;
 296                 global $wgOut;
 297
 298                 $wgOut->setPageTitle( wfMsg( "loginsuccesstitle" ) );
 299                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 300                 $wgOut->setArticleRelated( false );
 301                 $wgOut->addHTML( $msg );
 302                 $wgOut->returnToMain();
 303         }
 304
 305         function userNotPrivilegedMessage()
 306         {
 307                 global $wgOut, $wgUser, $wgLang;
 308
 309                 $wgOut->setPageTitle( wfMsg( "whitelistacctitle" ) );
 310                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 311                 $wgOut->setArticleRelated( false );
 312
 313                 $wgOut->addWikiText( wfMsg( "whitelistacctext" ) );
 314
 315                 $wgOut->returnToMain( false );
 316         }
 317
 318         /* private */ function mainLoginForm( $err )
 319         {
 320                 global $wgUser, $wgOut, $wgLang;
 321                 global $wgDBname, $wgAllowRealName;
 322
 323                 $le = wfMsg( "loginerror" );
 324                 $yn = wfMsg( "yourname" );
 325                 $yp = wfMsg( "yourpassword" );
 326                 $ypa = wfMsg( "yourpasswordagain" );
 327                 $rmp = wfMsg( "remembermypassword" );
 328                 $nuo = wfMsg( "newusersonly" );
 329                 $li = wfMsg( "login" );
 330                 $ca = wfMsg( "createaccount" );
 331                 $cam = wfMsg( "createaccountmail" );
 332                 $ye = wfMsg( "youremail" );
 333                 if ($wgAllowRealName) {
 334                     $yrn = wfMsg( "yourrealname" );
 335                 } else {
 336                     $yrn = '';
 337                 }
 338                 $efl = wfMsg( "emailforlost" );
 339                 $mmp = wfMsg( "mailmypassword" );
 340                 $endText = wfMsg( "loginend" );
 341
 342                 if ( $endText = "&lt;loginend&gt;" ) {
 343                         $endText = "";
 344                 }
 345
 346                 if ( "" == $this->mName ) {
 347                         if ( 0 != $wgUser->getID() ) {
 348                                 $this->mName = $wgUser->getName();
 349                         } else {
 350                                 $this->mName = @$_COOKIE["{$wgDBname}UserName"];
 351                         }
 352                 }
 353
 354                 $wgOut->setPageTitle( wfMsg( "userlogin" ) );
 355                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 356                 $wgOut->setArticleRelated( false );
 357
 358                 if ( "" == $err ) {
 359                         $lp = wfMsg( "loginprompt" );
 360                         $wgOut->addHTML( "<h2>$li:</h2>\n<p>$lp</p>" );
 361                 } else {
 362                         $wgOut->addHTML( "<h2>$le:</h2>\n<font size='+1'
 363         color='red'>$err</font>\n" );
 364                 }
 365                 if ( 1 == $wgUser->getOption( "rememberpassword" ) ) {
 366                         $checked = " checked";
 367                 } else {
 368                         $checked = "";
 369                 }
 370
 371                 $q = "action=submit";
 372                 if ( !empty( $this->mReturnto ) ) {
 373                         $q .= "&returnto=" . wfUrlencode( $this->mReturnto );
 374                 }
 375
 376                 $titleObj = Title::makeTitle( NS_SPECIAL, "Userlogin" );
 377                 $action = $titleObj->escapeLocalUrl( $q );
 378
 379                 $encName = htmlspecialchars( $this->mName );
 380                 $encPassword = htmlspecialchars( $this->mPassword );
 381                 $encRetype = htmlspecialchars( $this->mRetype );
 382                 $encEmail = htmlspecialchars( $this->mEmail );
 383                 $encRealName = htmlspecialchars( $this->mRealName );
 384
 385                 if ($wgUser->getID() != 0) {
 386                         $cambutton = "<input tabindex='6' type='submit' name=\"wpCreateaccountMail\" value=\"{$cam}\" />";
 387                 } else {
 388                         $cambutton = "";
 389                 }
 390
 391                 $wgOut->addHTML( "
 392         <form name=\"userlogin\" id=\"userlogin\" method=\"post\" action=\"{$action}\">
 393         <table border='0'><tr>
 394         <td align='right'>$yn:</td>
 395         <td align='left'>
 396         <input tabindex='1' type='text' name=\"wpName\" value=\"{$encName}\" size='20' />
 397         </td>
 398         <td align='left'>
 399         <input tabindex='3' type='submit' name=\"wpLoginattempt\" value=\"{$li}\" />
 400         </td>
 401         </tr>
 402         <tr>
 403         <td align='right'>$yp:</td>
 404         <td align='left'>
 405         <input tabindex='2' type='password' name=\"wpPassword\" value=\"{$encPassword}\" size='20' />
 406         </td>
 407         <td align='left'>
 408         <input tabindex='7' type='checkbox' name=\"wpRemember\" value=\"1\" id=\"wpRemember\"$checked /><label for=\"wpRemember\">$rmp</label>
 409         </td>
 410         </tr>");
 411
 412                 if ($wgUser->isAllowedToCreateAccount()) {
 413                         $encRetype = htmlspecialchars( $this->mRetype );
 414                         $encEmail = htmlspecialchars( $this->mEmail );
 415         $wgOut->addHTML("<tr><td colspan='3'>&nbsp;</td></tr><tr>
 416         <td align='right'>$ypa:</td>
 417         <td align='left'>
 418         <input tabindex='4' type='password' name=\"wpRetype\" value=\"{$encRetype}\"
 419         size='20' />
 420         </td><td>$nuo</td></tr>
 421         <tr>
 422         <td align='right'>$ye:</td>
 423         <td align='left'>
 424         <input tabindex='6' type='text' name=\"wpEmail\" value=\"{$encEmail}\" size='20' />
 425         </td>");
 426
 427         if ($wgAllowRealName) {
 428             $wgOut->addHTML("<td>&nbsp;</td>
 429                              </tr><tr>
 430                              <td align='right'>$yrn:</td>
 431                              <td align='left'>
 432                               <input tabindex='6' type='text' name=\"wpRealName\" value=\"{$encRealName}\" size='20' />
 433                               </td>");
 434         }
 435
 436         $wgOut->addHTML("<td align='left'>
 437         <input tabindex='7' type='submit' name=\"wpCreateaccount\" value=\"{$ca}\" />
 438         $cambutton
 439         </td></tr>");
 440                 }
 441
 442                 $wgOut->addHTML("
 443         <tr><td colspan='3'>&nbsp;</td></tr><tr>
 444         <td colspan='3' align='left'>
 445         <p>$efl<br />
 446         <input tabindex='8' type='submit' name=\"wpMailmypassword\" value=\"{$mmp}\" /></p>
 447         </td></tr></table>
 448         </form>\n" );
 449                 $wgOut->addHTML( $endText );
 450         }
 451
 452         /* private */ function hasSessionCookie()
 453         {
 454                 global $wgDisableCookieCheck;
 455                 return ( $wgDisableCookieCheck ) ? true : ( "" != $_COOKIE[session_name()] );
 456         }
 457
 458         /* private */ function cookieRedirectCheck( $type )
 459         {
 460                 global $wgOut, $wgLang;
 461
 462                 $titleObj = Title::makeTitle( NS_SPECIAL, "Userlogin" );
 463                 $check = $titleObj->getFullURL( "wpCookieCheck=$type" );
 464
 465                 return $wgOut->redirect( $check );
 466         }
 467
 468         /* private */ function onCookieRedirectCheck( $type ) {
 469                 global $wgUser;
 470
 471                 if ( !$this->hasSessionCookie() ) {
 472                         if ( $type == "new" ) {
 473                                 return $this->mainLoginForm( wfMsg( "nocookiesnew" ) );
 474                         } else if ( $type == "login" ) {
 475                                 return $this->mainLoginForm( wfMsg( "nocookieslogin" ) );
 476                         } else {
 477                                 # shouldn't happen
 478                                 return $this->mainLoginForm( wfMsg( "error" ) );
 479                         }
 480                 } else {
 481                         return $this->successfulLogin( wfMsg( "loginsuccess", $wgUser->getName() ) );
 482                 }
 483         }
 484
 485         /* private */ function throttleHit( $limit ) {
 486                 global $wgOut;
 487
 488                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 489         }
 490 }
 491 ?>