nucleus/libs/ACTION.php

   1 <?php
   2
   3 /*
   4  * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
   5  * Copyright (C) 2002-2009 The Nucleus Group
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  * (see nucleus/documentation/index.html#license for more info)
  12  */
  13 /**
  14  * Actions that can be called via action.php
  15  *
  16  * @license http://nucleuscms.org/license.txt GNU General Public License
  17  * @copyright Copyright (C) 2002-2009 The Nucleus Group
  18  * @version $Id: ACTION.php 1646 2012-01-29 10:47:32Z sakamocchi $
  19  */
  20 class ACTION
  21 {
  22
  23         /**
  24          *  Constructor for an new ACTION object
  25          */
  26         function ACTION()
  27         {
  28                 // do nothing
  29         }
  30
  31
  32         /**
  33          *  Calls functions that handle an action called from action.php
  34          */
  35         function doAction($action)
  36         {
  37                 switch($action)
  38                 {
  39                         case 'autodraft':
  40                                 return $this->autoDraft();
  41                         break;
  42
  43                         case 'updateticket':
  44                                 return $this->updateTicket();
  45                         break;
  46
  47                         case 'addcomment':
  48                                 return $this->addComment();
  49                         break;
  50
  51                         case 'sendmessage':
  52                                 return $this->sendMessage();
  53                         break;
  54
  55                         case 'createaccount':
  56                                 return $this->createAccount();
  57                         break;
  58
  59                         case 'forgotpassword':
  60                                 return $this->forgotPassword();
  61                         break;
  62
  63                         case 'votepositive':
  64                                 return $this->doKarma('pos');
  65                         break;
  66
  67                         case 'votenegative':
  68                                 return $this->doKarma('neg');
  69                         break;
  70
  71                         case 'plugin':
  72                                 return $this->callPlugin();
  73                         break;
  74
  75                         default:
  76                                 doError(_ERROR_BADACTION);
  77                         break;
  78                 }
  79         }
  80
  81         /**
  82          * ACTION::addComment()
  83          * Adds a new comment to an item (if IP isn't banned)
  84          *
  85          * @param       Void
  86          * @return      Void
  87          */
  88         function addComment()
  89         {
  90                 global $CONF, $errormessage, $manager;
  91
  92                 $post['itemid']         = intPostVar('itemid');
  93                 $post['user']           = postVar('user');
  94                 $post['userid']         = postVar('userid');
  95                 $post['email']          = postVar('email');
  96                 $post['body']           = postVar('body');
  97                 $post['remember']       = intPostVar('remember');
  98
  99                 // begin if: "Remember Me" box checked
 100                 if ( $post['remember'] == 1 )
 101                 {
 102                         $lifetime = time() + 2592000;
 103                         setcookie($CONF['CookiePrefix'] . 'comment_user', $post['user'], $lifetime, '/', '', 0);
 104                         setcookie($CONF['CookiePrefix'] . 'comment_userid', $post['userid'], $lifetime, '/', '', 0);
 105                         setcookie($CONF['CookiePrefix'] . 'comment_email', $post['email'], $lifetime, '/', '', 0);
 106                 }
 107
 108                 $comments = new COMMENTS($post['itemid']);
 109
 110                 $blog_id = getBlogIDFromItemID($post['itemid']);
 111                 $this->checkban($blog_id);
 112                 $blog =& $manager->getBlog($blog_id);
 113
 114                 // note: PreAddComment and PostAddComment gets called somewhere inside addComment
 115                 $errormessage = $comments->addComment($blog->getCorrectTime(), $post);
 116
 117                 if ( $errormessage == '1' )
 118                 {
 119                         // redirect when adding comments succeeded
 120                         if ( postVar('url') )
 121                         {
 122                                 redirect(postVar('url') );
 123                         }
 124                         else
 125                         {
 126                                 $url = LINK::create_item_link($post['itemid']);
 127                                 redirect($url);
 128                         }
 129                 }
 130                 // else, show error message using default skin for blo
 131                 else
 132                 {
 133                         return array(
 134                                 'message'       => $errormessage,
 135                                 'skinid'        => $blog->getDefaultSkin()
 136                         );
 137                 }
 138                 exit;
 139         }
 140
 141         /**
 142          * ACTION::sendMessage()
 143          * Sends a message from the current member to the member given as argument
 144          *
 145          * @param       Void
 146          * @return      Void
 147          */
 148         function sendMessage()
 149         {
 150                 global $CONF, $member;
 151
 152                 $error = $this->validateMessage();
 153
 154                 if ( $error != '' )
 155                 {
 156                         return array('message' => $error);
 157                 }
 158
 159                 if ( !$member->isLoggedIn() )
 160                 {
 161                         $fromMail = postVar('frommail');
 162                         $fromName = _MMAIL_FROMANON;
 163                 }
 164                 else
 165                 {
 166                         $fromMail = $member->getEmail();
 167                         $fromName = $member->getDisplayName();
 168                 }
 169
 170                 $tomem = new MEMBER();
 171                 $tomem->readFromId(postVar('memberid') );
 172
 173                 $message  = _MMAIL_MSG . ' ' . $fromName . "\n"
 174                         . '(' . _MMAIL_FROMNUC. ' ' . $CONF['IndexURL'] .") \n\n"
 175                         . _MMAIL_MAIL . " \n\n"
 176                         . postVar('message');
 177                 $message .= NOTIFICATION::get_mail_footer();
 178
 179                 $title = _MMAIL_TITLE . ' ' . $fromName;
 180                 NOTIFICATION::mail($tomem->getEmail(), $title, $message, $fromMail, i18n::get_current_charset());
 181
 182                 if ( postVar('url') )
 183                 {
 184                         redirect(postVar('url') );
 185                 }
 186                 else
 187                 {
 188                         $CONF['MemberURL'] = $CONF['IndexURL'];
 189
 190                         if ( $CONF['URLMode'] == 'pathinfo' )
 191                         {
 192                                 $url = LINK::create_link('member', array('memberid' => $tomem->getID(), 'name' => $tomem->getDisplayName() ) );
 193                         }
 194                         else
 195                         {
 196                                 $url = $CONF['IndexURL'] . LINK::create_member_link($tomem->getID());
 197                         }
 198
 199                         redirect($url);
 200                 }
 201                 exit;
 202         }
 203
 204         /**
 205          * ACTION::validateMessage()
 206          *  Checks if a mail to a member is allowed
 207          *  Returns a string with the error message if the mail is disallowed
 208          *
 209          *  @param      void
 210          *  @return     String  Null character string
 211          */
 212         function validateMessage()
 213         {
 214                 global $CONF, $member, $manager;
 215
 216                 if ( !$CONF['AllowMemberMail'] )
 217                 {
 218                         return _ERROR_MEMBERMAILDISABLED;
 219                 }
 220
 221                 if ( !$member->isLoggedIn() && !$CONF['NonmemberMail'] )
 222                 {
 223                         return _ERROR_DISALLOWED;
 224                 }
 225
 226                 if ( !$member->isLoggedIn() && !NOTIFICATION::address_validation(postVar('frommail')) )
 227                 {
 228                         return _ERROR_BADMAILADDRESS;
 229                 }
 230
 231                 // let plugins do verification (any plugin which thinks the comment is invalid
 232                 // can change 'error' to something other than '')
 233                 $result = '';
 234                 $manager->notify('ValidateForm', array('type' => 'membermail', 'error' => &$result) );
 235
 236                 return $result;
 237         }
 238
 239         /**
 240          * ACTION::createAccount()
 241          * Creates a new user account
 242          *
 243          * @param       Void
 244          * @return      Mixed
 245          */
 246         function createAccount()
 247         {
 248                 global $CONF, $manager;
 249
 250                 if ( !$CONF['AllowMemberCreate'] )
 251                 {
 252                         doError(_ERROR_MEMBERCREATEDISABLED);
 253                 }
 254
 255                 // evaluate content from FormExtra
 256                 $result = 1;
 257                 $data = array('type' => 'membermail', 'error' => &$result);
 258                 $manager->notify('ValidateForm', $data);
 259
 260                 if ( $result != 1 )
 261                 {
 262                         return $result;
 263                 }
 264
 265                 // even though the member can not log in, set some random initial password. One never knows.
 266                 srand( (double) microtime() * 1000000);
 267                 $initialPwd = md5(uniqid(rand(), TRUE) );
 268
 269                 // create member (non admin/can not login/no notes/random string as password)
 270                 $name = ENTITY::shorten(postVar('name'), 32, '');
 271                 $r = MEMBER::create($name, postVar('realname'), $initialPwd, postVar('email'), postVar('url'), 0, 0, '');
 272
 273                 if ( $r != 1 )
 274                 {
 275                         return $r;
 276                 }
 277
 278                 // send message containing password.
 279                 $newmem = new MEMBER();
 280                 $newmem->readFromName($name);
 281                 $newmem->sendActivationLink('register');
 282
 283                 $manager->notify('PostRegister', array('member' => &$newmem) );
 284
 285                 if ( postVar('desturl') )
 286                 {
 287                         redirect(postVar('desturl') );
 288                 }
 289                 else
 290                 {
 291                         echo _MSG_ACTIVATION_SENT;
 292                         echo '<br /><br />Return to <a href="'.$CONF['IndexURL'].'" title="'.$CONF['SiteName'].'">'.$CONF['SiteName'].'</a>';
 293                         echo "\n</body>\n</html>";
 294                 }
 295
 296                 exit;
 297         }
 298
 299
 300         /**
 301          *  Sends a new password
 302          */
 303         function forgotPassword()
 304         {
 305                 $membername = trim(postVar('name') );
 306
 307                 if ( !MEMBER::exists($membername) )
 308                 {
 309                         doError(_ERROR_NOSUCHMEMBER);
 310                 }
 311
 312                 $mem = MEMBER::createFromName($membername);
 313
 314                 /* below keeps regular users from resetting passwords using forgot password feature
 315                      Removing for now until clear why it is required.*/
 316                 /*if (!$mem->canLogin())
 317                         doError(_ERROR_NOLOGON_NOACTIVATE);*/
 318
 319                 // check if e-mail address is correct
 320                 if ( !($mem->getEmail() == postVar('email') ) )
 321                 {
 322                         doError(_ERROR_INCORRECTEMAIL);
 323                 }
 324
 325                 // send activation link
 326                 $mem->sendActivationLink('forgot');
 327
 328                 if ( postVar('url') )
 329                 {
 330                         redirect(postVar('url') );
 331                 }
 332                 else
 333                 {
 334                         echo _MSG_ACTIVATION_SENT;
 335                         echo '<br /><br />Return to <a href="'.$CONF['IndexURL'].'" title="'.$CONF['SiteName'].'">'.$CONF['SiteName'].'</a>';
 336                 }
 337
 338                 exit;
 339         }
 340
 341
 342         /**
 343          * ACTION::doKarma()
 344          * Handle karma votes
 345          *
 346          * @param       String  $type   pos or neg
 347          * @return      Void
 348          */
 349         function doKarma($type)
 350         {
 351                 global $itemid, $member, $CONF, $manager;
 352
 353                 // check if itemid exists
 354                 if ( !$manager->existsItem($itemid, 0, 0) )
 355                 {
 356                         doError(_ERROR_NOSUCHITEM);
 357                 }
 358
 359                 $blogid = getBlogIDFromItemID($itemid);
 360                 $this->checkban($blogid);
 361
 362                 $karma =& $manager->getKarma($itemid);
 363
 364                 // check if not already voted
 365                 if ( !$karma->isVoteAllowed(serverVar('REMOTE_ADDR') ) )
 366                 {
 367                         doError(_ERROR_VOTEDBEFORE);
 368                 }
 369
 370                 // check if item does allow voting
 371                 $item =& $manager->getItem($itemid, 0, 0);
 372
 373                 if ( $item['closed'] )
 374                 {
 375                         doError(_ERROR_ITEMCLOSED);
 376                 }
 377
 378                 switch ( $type )
 379                 {
 380                         case 'pos':
 381                                 $karma->votePositive();
 382                         break;
 383
 384                         case 'neg':
 385                                 $karma->voteNegative();
 386                         break;
 387                 }
 388
 389                 $blog =& $manager->getBlog($blogid);
 390
 391                 // send email to notification address, if any
 392                 if ( $blog->getNotifyAddress() && $blog->notifyOnVote() )
 393                 {
 394                         $message = _NOTIFY_KV_MSG . ' ' . $itemid . "\n";
 395                         $itemLink = LINK::create_item_link(intval($itemid) );
 396                         $temp = parse_url($itemLink);
 397
 398                         if ( !$temp['scheme'] )
 399                         {
 400                                 $itemLink = $CONF['IndexURL'] . $itemLink;
 401                         }
 402
 403                         $message .= $itemLink . "\n\n";
 404
 405                         if ( $member->isLoggedIn() )
 406                         {
 407                                 $message .= _NOTIFY_MEMBER . ' ' . $member->getDisplayName() . ' (ID=' . $member->getID() . ")\n";
 408                         }
 409
 410                         $message .= _NOTIFY_IP . ' ' . serverVar('REMOTE_ADDR') . "\n";
 411                         $message .= _NOTIFY_HOST . ' ' .  gethostbyaddr(serverVar('REMOTE_ADDR'))  . "\n";
 412                         $message .= _NOTIFY_VOTE . "\n " . $type . "\n";
 413                         $message .= NOTIFICATION::get_mail_footer();
 414
 415                         $subject = _NOTIFY_KV_TITLE . ' ' . strip_tags($item['title']) . ' (' . $itemid . ')';
 416
 417                         $from = $member->getNotifyFromMailAddress();
 418
 419                         NOTIFICATION::mail($blog->getNotifyAddress(), $subject, $message, $from, i18n::get_current_charset());
 420                 }
 421
 422                 $refererUrl = serverVar('HTTP_REFERER');
 423
 424                 if ( $refererUrl )
 425                 {
 426                         $url = $refererUrl;
 427                 }
 428                 else
 429                 {
 430                         $url = $itemLink;
 431                 }
 432
 433                 redirect($url);
 434                 exit;
 435         }
 436
 437
 438         /**
 439           * Calls a plugin action
 440           */
 441         function callPlugin()
 442         {
 443                 global $manager;
 444
 445                 $pluginName = 'NP_' . requestVar('name');
 446                 $actionType = requestVar('type');
 447
 448                 // 1: check if plugin is installed
 449                 if ( !$manager->pluginInstalled($pluginName) )
 450                 {
 451                         doError(_ERROR_NOSUCHPLUGIN);
 452                 }
 453
 454                 // 2: call plugin
 455                 $pluginObject =& $manager->getPlugin($pluginName);
 456
 457                 if ( $pluginObject )
 458                 {
 459                         $error = $pluginObject->doAction($actionType);
 460                 }
 461                 else
 462                 {
 463                         $error = 'Could not load plugin (see actionlog)';
 464                 }
 465
 466                 // doAction returns error when:
 467                 // - an error occurred (duh)
 468                 // - no actions are allowed (doAction is not implemented)
 469                 if ( $error )
 470                 {
 471                         doError($error);
 472                 }
 473
 474                 exit;
 475
 476         }
 477
 478
 479         /**
 480          *  Checks if an IP or IP range is banned
 481          */
 482         function checkban($blogid)
 483         {
 484                 // check if banned
 485                 $ban = BAN::isBanned($blogid, serverVar('REMOTE_ADDR') );
 486
 487                 if ( $ban != 0 )
 488                 {
 489                         doError(_ERROR_BANNED1 . $ban->iprange . _ERROR_BANNED2 . $ban->message . _ERROR_BANNED3);
 490                 }
 491
 492         }
 493
 494
 495         /**
 496          * Gets a new ticket
 497          */
 498         function updateTicket()
 499         {
 500                 global $manager;
 501
 502                 if ( $manager->checkTicket() )
 503                 {
 504                         echo $manager->getNewTicket();
 505                 }
 506                 else
 507                 {
 508                         echo _ERROR . ':' . _ERROR_BADTICKET;
 509                 }
 510
 511                 return FALSE;
 512         }
 513
 514
 515         /**
 516          * Handles AutoSaveDraft
 517          */
 518         function autoDraft()
 519         {
 520                 global $manager;
 521
 522                 if ( $manager->checkTicket() )
 523                 {
 524                         $manager->loadClass('ITEM');
 525                         $info = ITEM::createDraftFromRequest();
 526
 527                         if ( $info['status'] == 'error' )
 528                         {
 529                                 echo $info['message'];
 530                         }
 531                         else
 532                         {
 533                                 echo $info['draftid'];
 534                         }
 535                 }
 536                 else
 537                 {
 538             echo _ERROR . ':' . _ERROR_BADTICKET;
 539                 }
 540
 541                 return FALSE;
 542         }
 543
 544 }
 545