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                 return 1;
 290         }
 291
 292         /**
 293          *  Sends a new password
 294          */
 295         function forgotPassword()
 296         {
 297                 $membername = trim(postVar('name') );
 298
 299                 if ( !MEMBER::exists($membername) )
 300                 {
 301                         doError(_ERROR_NOSUCHMEMBER);
 302                 }
 303
 304                 $mem = MEMBER::createFromName($membername);
 305
 306                 /* below keeps regular users from resetting passwords using forgot password feature
 307                      Removing for now until clear why it is required.*/
 308                 /*if (!$mem->canLogin())
 309                         doError(_ERROR_NOLOGON_NOACTIVATE);*/
 310
 311                 // check if e-mail address is correct
 312                 if ( !($mem->getEmail() == postVar('email') ) )
 313                 {
 314                         doError(_ERROR_INCORRECTEMAIL);
 315                 }
 316
 317                 // send activation link
 318                 $mem->sendActivationLink('forgot');
 319
 320                 if ( postVar('url') )
 321                 {
 322                         redirect(postVar('url') );
 323                 }
 324                 else
 325                 {
 326                         echo _MSG_ACTIVATION_SENT;
 327                         echo '<br /><br />Return to <a href="'.$CONF['IndexURL'].'" title="'.$CONF['SiteName'].'">'.$CONF['SiteName'].'</a>';
 328                 }
 329
 330                 exit;
 331         }
 332
 333
 334         /**
 335          * ACTION::doKarma()
 336          * Handle karma votes
 337          *
 338          * @param       String  $type   pos or neg
 339          * @return      Void
 340          */
 341         function doKarma($type)
 342         {
 343                 global $itemid, $member, $CONF, $manager;
 344
 345                 // check if itemid exists
 346                 if ( !$manager->existsItem($itemid, 0, 0) )
 347                 {
 348                         doError(_ERROR_NOSUCHITEM);
 349                 }
 350
 351                 $blogid = getBlogIDFromItemID($itemid);
 352                 $this->checkban($blogid);
 353
 354                 $karma =& $manager->getKarma($itemid);
 355
 356                 // check if not already voted
 357                 if ( !$karma->isVoteAllowed(serverVar('REMOTE_ADDR') ) )
 358                 {
 359                         doError(_ERROR_VOTEDBEFORE);
 360                 }
 361
 362                 // check if item does allow voting
 363                 $item =& $manager->getItem($itemid, 0, 0);
 364
 365                 if ( $item['closed'] )
 366                 {
 367                         doError(_ERROR_ITEMCLOSED);
 368                 }
 369
 370                 switch ( $type )
 371                 {
 372                         case 'pos':
 373                                 $karma->votePositive();
 374                         break;
 375
 376                         case 'neg':
 377                                 $karma->voteNegative();
 378                         break;
 379                 }
 380
 381                 $blog =& $manager->getBlog($blogid);
 382
 383                 // send email to notification address, if any
 384                 if ( $blog->getNotifyAddress() && $blog->notifyOnVote() )
 385                 {
 386                         $message = _NOTIFY_KV_MSG . ' ' . $itemid . "\n";
 387                         $itemLink = LINK::create_item_link(intval($itemid) );
 388                         $temp = parse_url($itemLink);
 389
 390                         if ( !$temp['scheme'] )
 391                         {
 392                                 $itemLink = $CONF['IndexURL'] . $itemLink;
 393                         }
 394
 395                         $message .= $itemLink . "\n\n";
 396
 397                         if ( $member->isLoggedIn() )
 398                         {
 399                                 $message .= _NOTIFY_MEMBER . ' ' . $member->getDisplayName() . ' (ID=' . $member->getID() . ")\n";
 400                         }
 401
 402                         $message .= _NOTIFY_IP . ' ' . serverVar('REMOTE_ADDR') . "\n";
 403                         $message .= _NOTIFY_HOST . ' ' .  gethostbyaddr(serverVar('REMOTE_ADDR'))  . "\n";
 404                         $message .= _NOTIFY_VOTE . "\n " . $type . "\n";
 405                         $message .= NOTIFICATION::get_mail_footer();
 406
 407                         $subject = _NOTIFY_KV_TITLE . ' ' . strip_tags($item['title']) . ' (' . $itemid . ')';
 408
 409                         $from = $member->getNotifyFromMailAddress();
 410
 411                         NOTIFICATION::mail($blog->getNotifyAddress(), $subject, $message, $from, i18n::get_current_charset());
 412                 }
 413
 414                 $refererUrl = serverVar('HTTP_REFERER');
 415
 416                 if ( $refererUrl )
 417                 {
 418                         $url = $refererUrl;
 419                 }
 420                 else
 421                 {
 422                         $url = $itemLink;
 423                 }
 424
 425                 redirect($url);
 426                 exit;
 427         }
 428
 429
 430         /**
 431           * Calls a plugin action
 432           */
 433         function callPlugin()
 434         {
 435                 global $manager;
 436
 437                 $pluginName = 'NP_' . requestVar('name');
 438                 $actionType = requestVar('type');
 439
 440                 // 1: check if plugin is installed
 441                 if ( !$manager->pluginInstalled($pluginName) )
 442                 {
 443                         doError(_ERROR_NOSUCHPLUGIN);
 444                 }
 445
 446                 // 2: call plugin
 447                 $pluginObject =& $manager->getPlugin($pluginName);
 448
 449                 if ( $pluginObject )
 450                 {
 451                         $error = $pluginObject->doAction($actionType);
 452                 }
 453                 else
 454                 {
 455                         $error = 'Could not load plugin (see actionlog)';
 456                 }
 457
 458                 // doAction returns error when:
 459                 // - an error occurred (duh)
 460                 // - no actions are allowed (doAction is not implemented)
 461                 if ( $error )
 462                 {
 463                         doError($error);
 464                 }
 465
 466                 exit;
 467
 468         }
 469
 470
 471         /**
 472          *  Checks if an IP or IP range is banned
 473          */
 474         function checkban($blogid)
 475         {
 476                 // check if banned
 477                 $ban = BAN::isBanned($blogid, serverVar('REMOTE_ADDR') );
 478
 479                 if ( $ban != 0 )
 480                 {
 481                         doError(_ERROR_BANNED1 . $ban->iprange . _ERROR_BANNED2 . $ban->message . _ERROR_BANNED3);
 482                 }
 483
 484         }
 485
 486
 487         /**
 488          * Gets a new ticket
 489          */
 490         function updateTicket()
 491         {
 492                 global $manager;
 493
 494                 if ( $manager->checkTicket() )
 495                 {
 496                         echo $manager->getNewTicket();
 497                 }
 498                 else
 499                 {
 500                         echo _ERROR . ':' . _ERROR_BADTICKET;
 501                 }
 502
 503                 return FALSE;
 504         }
 505
 506
 507         /**
 508          * Handles AutoSaveDraft
 509          */
 510         function autoDraft()
 511         {
 512                 global $manager;
 513
 514                 if ( $manager->checkTicket() )
 515                 {
 516                         $manager->loadClass('ITEM');
 517                         $info = ITEM::createDraftFromRequest();
 518
 519                         if ( $info['status'] == 'error' )
 520                         {
 521                                 echo $info['message'];
 522                         }
 523                         else
 524                         {
 525                                 echo $info['draftid'];
 526                         }
 527                 }
 528                 else
 529                 {
 530             echo _ERROR . ':' . _ERROR_BADTICKET;
 531                 }
 532
 533                 return FALSE;
 534         }
 535
 536 }
 537