banana/banana.inc.php.in

   1 <?php
   2 /********************************************************************************
   3 * banana/banana.inc.php : banana main file
   4 * --------------------------
   5 *
   6 * This file is part of the banana distribution
   7 * Copyright: See COPYING files that comes with this distribution
   8 ********************************************************************************/
   9
  10 require_once dirname(__FILE__) . '/text.func.inc.php';
  11
  12 class Banana
  13 {
  14
  15 #######
  16 # Configuration variables
  17 #######
  18
  19 ### General ###
  20     static public $profile = Array( 'signature'  => '',
  21                                     'headers' => array('From' => 'Anonymous <anonymouse@example.com>'),
  22                                     'display' => 0,
  23                                     'lastnews' => 0,
  24                                     'locale'  => 'fr_FR.UTF-8',
  25                                     'subscribe' => array(),
  26                                     'autoup' => 1);
  27     static public $boxpattern;
  28     static public $withtabs = true;
  29     static public $mimeparts = array();
  30
  31 ### Spool ###
  32     static public $spool_root    = '/var/spool/banana';
  33     static public $spool_max     = 3000;
  34     static public $spool_tbefore = 5;
  35     static public $spool_tafter  = 5;
  36     static public $spool_tmax    = 50;
  37     static public $spool_boxlist = true;
  38
  39 ### Message processing ###
  40     static public $msgparse_headers = array('content-disposition', 'content-transfer-encoding',
  41                                        'content-type', 'content-id', 'date', 'followup-to',
  42                                        'from', 'message-id', 'newsgroups', 'organization',
  43                                        'references', 'subject', 'x-face', 'in-reply-to',
  44                                        'to', 'cc', 'reply-to');
  45
  46 ### Message display ###
  47     static public $msgshow_headers   = array('from', 'newsgroups', 'followup-to', 'to', 'cc', 'reply-to',
  48                                        'organization', 'date', 'references', 'in-reply-to');
  49     static public $msgshow_mimeparts = array('multipart/report', 'multipart/mixed',
  50                                              'text/html', 'text/plain', 'text/enriched', 'text', 'message');
  51     static public $msgshow_xface     = true;
  52     static public $msgshow_wrap      = 80;
  53     static public $msgshow_externalimages = false;
  54     static public $msgshow_hasextimages   = false;
  55     static public $msgshow_withthread = true;
  56
  57     /** Match an url
  58      * Should be included in a regexp delimited using /, !, , or @ (eg: "/$url_regexp/ui")
  59      * If it matches, return 3 main parts :
  60      *  \\1 and \\3 are delimiters
  61      *  \\2 is the url
  62      *
  63      * eg : preg_match("!$url_regexp!i", "[http://www.polytechnique.org]", $matches);
  64      *   $matches[1] = "["
  65      *   $matches[2] = "http://www.polytechnique.org"
  66      *   $matches[3] = "]"
  67      */
  68     static public $msgshow_url     = '(["\[])?((?:[a-z]+:\/\/|www\.)(?:[\.\,\;\!\:]*[a-z\@0-9~%$£µ&i#\-+=_\/\?]+)+)(["\]])?';
  69
  70 ### Message edition ###
  71     static public $msgedit_canattach  = true;
  72     static public $msgedit_maxfilesize = 100000;
  73     /** Global headers to use for messages
  74      */
  75     static public $msgedit_headers  = array('Mime-Version' => '1.0', 'User-Agent' => 'Banana @VERSION@');
  76     /** Mime type order for quoting
  77      */
  78     static public $msgedit_mimeparts = array('multipart/report', 'multipart/mixed', 'text/plain', 'text/enriched', 'text/html', 'text', 'message');
  79
  80 ### Feed configuration ###
  81     static public $feed_active         = true;
  82     static public $feed_format         = 'rss2';
  83     static public $feed_updateOnDemand = false; // Update the feed each time sbd check it
  84     static public $feed_copyright      = null;  // Global copyright informations
  85     static public $feed_generator      = 'Banana @VERSION@'; // Feed generator
  86     static public $feed_email          = null;  // Admin e-mail
  87     static public $feed_namePrefix     = 'Banana :: ';
  88     static public $feed_size           = 15;    // Number of messages in the feed
  89
  90 ### Protocole ###
  91     /** News serveur to use
  92      */
  93     static public $nntp_host   = 'news://localhost:119/';
  94
  95     static public $mbox_path   = '/var/mail';
  96     static public $mbox_helper = './mbox-helper';
  97
  98 ### Debug ###
  99     static public $debug_nntp   = false;
 100     static public $debug_mbox   = false;
 101     static public $debug_smarty = false;
 102
 103
 104 #######
 105 # Constants
 106 #######
 107
 108     // Actions
 109     const ACTION_BOX_NEEDED = 1; // mask
 110     const ACTION_BOX_LIST   = 2;
 111     const ACTION_BOX_SUBS   = 4;
 112     const ACTION_BOX_FEED   = 8;
 113     const ACTION_MSG_LIST   = 3;
 114     const ACTION_MSG_READ   = 5;
 115     const ACTION_MSG_NEW    = 9;
 116     const ACTION_MSG_CANCEL = 17;
 117     const ACTION_MSG_IMAGES = 33;
 118
 119     // Box list view
 120     const BOXES_ALL = 0;
 121     const BOXES_SUB = 1;
 122     const BOXES_NEW = 2;
 123
 124     // Spool view mode
 125     const SPOOL_ALL    = 0;
 126     const SPOOL_UNREAD = 1;
 127
 128
 129 #######
 130 # Runtime variables
 131 #######
 132
 133     static public $protocole   = null;
 134     static public $spool       = null;
 135     static public $message     = null;
 136     static public $page        = null;
 137
 138     static public $group       = null;
 139     static public $artid       = null;
 140     static public $action      = null;
 141     static public $part        = null;
 142     static public $first       = null;
 143
 144     /** Class parameters storage
 145      */
 146     public $params;
 147
 148
 149 #######
 150 # Banana Implementation
 151 #######
 152
 153     /** Build the instance of Banana
 154      * This constructor only call \ref loadParams, connect to the server, and build the Smarty page
 155      * @param protocole Protocole to use
 156      */
 157     public function __construct($params = null, $protocole = 'NNTP', $pageclass = 'BananaPage')
 158     {
 159         if (is_null($params)) {
 160             $this->params = $_GET;
 161         } else {
 162             $this->params = $params;
 163         }
 164         $this->loadParams();
 165
 166         // connect to protocole handler
 167         $classname = 'Banana' . $protocole;
 168         if (!class_exists($classname)) {
 169             Banana::load($protocole);
 170         }
 171         Banana::$protocole = new $classname(Banana::$group);
 172
 173         // build the page
 174         if ($pageclass == 'BananaPage') {
 175             Banana::load('page');
 176         }
 177         Banana::$page = new $pageclass;
 178         $types = array('multipart/report' => _b_('Rapport d\'erreur'),
 179                        'multipart/mixed'  => _b_('Composition'),
 180                        'text/html'        => _b_('Texte formaté'),
 181                        'text/plain'       => _b_('Texte brut'),
 182                        'text/enriched'    => _b_('Texte enrichi'),
 183                        'text'             => _b_('Texte'),
 184                        'message/rfc822'   => _b_('Mail'),
 185                        'message'          => _b_('Message'),
 186                        'source'           => _b_('Source'));
 187         Banana::$mimeparts = array_merge($types, Banana::$mimeparts);
 188     }
 189
 190     /** Fill state vars (Banana::$group, Banana::$artid, Banana::$action, Banana;:$part, Banana::$first)
 191      */
 192     protected function loadParams()
 193     {
 194         Banana::$group = isset($this->params['group']) ? $this->params['group'] : null;
 195         Banana::$artid = isset($this->params['artid']) ? $this->params['artid'] : null;
 196         Banana::$first = isset($this->params['first']) ? $this->params['first'] : null;
 197         Banana::$part  = isset($this->params['part']) ? $this->params['part'] : 'text';
 198
 199         $action = @$this->params['action'];
 200         if ($action == 'rss' || $action == 'rss2' || $action == 'atom') {
 201             if ($action == 'rss') {
 202                 $action = 'rss2';
 203             }
 204             Banana::$feed_format = $action;
 205             Banana::$action = Banana::ACTION_BOX_FEED;
 206             return;
 207         }
 208
 209         // Look for the action to execute
 210         if (is_null(Banana::$group)) {
 211             if ($action  == 'subscribe') {
 212                 Banana::$action = Banana::ACTION_BOX_SUBS;
 213             } else {
 214                 Banana::$action = Banana::ACTION_BOX_LIST;
 215             }
 216             return;
 217         }
 218
 219         if (is_null(Banana::$artid)) {
 220             if ($action == 'new') {
 221                 Banana::$action = Banana::ACTION_MSG_NEW;
 222             } else {
 223                 Banana::$action = Banana::ACTION_MSG_LIST;
 224             }
 225             return;
 226         }
 227         switch ($action) {
 228           case 'new':
 229             Banana::$action = Banana::ACTION_MSG_NEW;
 230             return;
 231           case 'cancel':
 232             Banana::$action = Banana::ACTION_MSG_CANCEL;
 233             return;
 234           case 'showext':
 235             Banana::$action = Banana::ACTION_MSG_IMAGES;
 236             return;
 237           default:
 238             Banana::$action = Banana::ACTION_MSG_READ;
 239         }
 240     }
 241
 242     /** Run Banana
 243      * This function need user profile to be initialised
 244      */
 245     public function run()
 246     {
 247         // Configure locales
 248         setlocale(LC_ALL,  Banana::$profile['locale']);
 249
 250         // Check if the state is valid
 251         if (Banana::$protocole->lastErrNo()) {
 252             return Banana::$page->kill(_b_('Une erreur a été rencontrée lors de la connexion au serveur') . '<br />'
 253                                       . Banana::$protocole->lastError());
 254         }
 255         if (!Banana::$protocole->isValid()) {
 256             return Banana::$page->kill(_b_('Connexion non-valide'));
 257         }
 258         if (Banana::$action & Banana::ACTION_BOX_NEEDED) {
 259             if(Banana::$boxpattern && !preg_match('/' . Banana::$boxpattern . '/i', $group)) {
 260                 Banana::$page->setPage('group');
 261                 return Banana::$page->kill(_b_("Ce newsgroup n'existe pas ou vous n'avez pas l'autorisation d'y accéder"));
 262             }
 263         }
 264
 265         // Dispatch to the action handlers
 266         switch (Banana::$action) {
 267           case Banana::ACTION_BOX_SUBS:
 268             $error = $this->action_subscribe();
 269             break;
 270           case Banana::ACTION_BOX_LIST:
 271             $error = $this->action_listBoxes();
 272             break;
 273           case Banana::ACTION_BOX_FEED:
 274             $this->action_feed(); // generate its own xml
 275             break;
 276           case Banana::ACTION_MSG_LIST:
 277             $error = $this->action_showThread(Banana::$group, Banana::$first);
 278             break;
 279           case Banana::ACTION_MSG_IMAGES:
 280             Banana::$msgshow_externalimages = true;
 281           case Banana::ACTION_MSG_READ:
 282             $error = $this->action_showMessage(Banana::$group, Banana::$artid, Banana::$part);
 283             break;
 284           case Banana::ACTION_MSG_NEW:
 285             $error = $this->action_newMessage(Banana::$group, Banana::$artid);
 286             break;
 287           case Banana::ACTION_MSG_CANCEL:
 288             $error = $this->action_cancelMessage(Banana::$group, Banana::$artid);
 289             break;
 290           default:
 291             $error = _b_("L'action demandée n'est pas supportée par Banana");
 292         }
 293
 294         // Generate the page
 295         if (is_string($error)) {
 296             return Banana::$page->kill($error);
 297         }
 298         return Banana::$page->run();
 299     }
 300
 301     /** Build and post a new message
 302      * @return postid (or -1 if the message has not been found)
 303      */
 304     public function post($dest, $reply, $subject, $body)
 305     {
 306         $hdrs = Banana::$protocole->requestedHeaders();
 307         $headers                 = Banana::$profile['headers'];
 308         $headers[$hdrs['dest']]  = $dest;
 309         if ($reply) {
 310             $headers[$hdrs['reply']] = $reply;
 311         }
 312         $headers['Subject']      = $subject;
 313         $msg = BananaMessage::newMessage($headers, $body);
 314         if (Banana::$protocole->send($msg)) {
 315             Banana::$group = ($reply ? $reply : $dest);
 316             $this->loadSpool(Banana::$group);
 317             return Banana::$spool->getPostId($subject);
 318         }
 319         return -1;
 320     }
 321
 322     /** Return the CSS code to include in the headers
 323      */
 324     public function css()
 325     {
 326         return Banana::$page->css;
 327     }
 328
 329     /** Return the Link to the feed of the page
 330      */
 331     public function feed()
 332     {
 333         if (!Banana::$feed_active) {
 334             return null;
 335         }
 336         return Banana::$page->makeURL(array('group' => Banana::$group, 'action' => Banana::$feed_format));
 337     }
 338
 339     /** Return the execution backtrace of the current BananaProtocole
 340      */
 341     public function backtrace()
 342     {
 343         if (Banana::$protocole) {
 344             return Banana::$protocole->backtrace();
 345         }
 346         return null;
 347     }
 348
 349     /**************************************************************************/
 350     /* actions                                                                */
 351     /**************************************************************************/
 352     protected function action_saveSubs($groups)
 353     {
 354         Banana::$profile['subscribe'] = $groups;
 355         return true;
 356     }
 357
 358     protected function action_subscribe()
 359     {
 360         Banana::$page->setPage('subscribe');
 361         if (isset($_POST['validsubs'])) {
 362             $this->action_saveSubs(array_keys($_POST['subscribe']));
 363             Banana::$page->redirect();
 364         }
 365         $groups = Banana::$protocole->getBoxList(Banana::BOXES_ALL);
 366         Banana::$page->assign('groups', $groups);
 367         return true;
 368     }
 369
 370     protected function action_listBoxes()
 371     {
 372         Banana::$page->setPage('forums');
 373         $groups    = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
 374         Banana::$page->assign('groups', $groups);
 375         if (empty(Banana::$profile['subscribe']) || Banana::$profile['lastnews']) {
 376             $newgroups = Banana::$protocole->getBoxList(Banana::BOXES_NEW, Banana::$profile['lastnews'], true);
 377             Banana::$page->assign('newgroups', $newgroups);
 378         }
 379         return true;
 380     }
 381
 382     protected function action_feed()
 383     {
 384         Banana::load('feed');
 385         if (Banana::$group) {
 386             $feed =& BananaFeed::getFeed();
 387             $feed->toXML();
 388         }
 389         if (Banana::$profile['subscribe']) {
 390             $subfeed = null;
 391             foreach (Banana::$profile['subscribe'] as $group) {
 392                 Banana::$group = $group;
 393                 if (Banana::$feed_updateOnDemand) {
 394                     $this->loadSpool($group);
 395                 }
 396                 $feed =& BananaFeed::getFeed();
 397                 $subfeed =& BananaFeed::merge($subfeed, $feed, _b_('Abonnements'), _b_('Mes abonnements Banana'));
 398             }
 399             $subfeed->toXML();
 400         }
 401         Banana::$page->feed();
 402     }
 403
 404     protected function action_showThread($group, $first)
 405     {
 406         Banana::$page->setPage('thread');
 407         if (!$this->loadSpool($group)) {
 408             return _b_('Impossible charger la liste des messages de ') . $group;
 409         }
 410         if (Banana::$spool_boxlist) {
 411             $groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
 412             Banana::$page->assign('groups', $groups);
 413         }
 414         Banana::$page->assign('msgbypage', Banana::$spool_tmax);
 415         return true;
 416     }
 417
 418     protected function action_showMessage($group, $artid, $partid = 'text')
 419     {
 420         Banana::$page->setPage('message');
 421         $istext = $partid == 'text' || $partid == 'source'
 422                 || preg_match('!^[-a-z0-9_]+/[-a-z0-9_]+$!', $partid);
 423         if ($istext) {
 424             $this->loadSpool($group);
 425         }
 426         $msg =& $this->loadMessage($group, $artid);
 427         if (is_null($msg)) {
 428             $this->loadSpool($group);
 429             $this->removeMessage($group, $artid);
 430             return _b_('Le message demandé n\'existe pas. Il est possible qu\'il ait été annulé');
 431         }
 432         if ($partid == 'xface') {
 433             $msg->getXFace();
 434             exit;
 435         } elseif (!$istext) {
 436             $part = $msg->getPartById($partid);
 437             if (!is_null($part)) {
 438                 $part->send(true);
 439             }
 440             $part = $msg->getFile($partid);
 441             if (!is_null($part)) {
 442                 $part->send();
 443             }
 444             exit;
 445         } elseif ($partid == 'text') {
 446             $partid = null;
 447             Banana::$page->assign('body', $msg->getFormattedBody($partid));
 448         } elseif ($partid == 'source') {
 449             $text = Banana::$protocole->getMessageSource($artid);
 450             if (!is_utf8($text)) {
 451                 $text = utf8_encode($text);
 452             }
 453             Banana::$page->assign('body', '<pre>' . banana_htmlentities($text) . '</pre>');
 454         } else {
 455             Banana::$page->assign('body', $msg->getFormattedBody($partid));
 456         }
 457
 458         if (Banana::$profile['autoup']) {
 459             Banana::$spool->markAsRead($artid);
 460         }
 461         if (Banana::$spool_boxlist) {
 462             $groups    = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
 463             Banana::$page->assign('groups', $groups);
 464         }
 465         Banana::$page->assign_by_ref('message', $msg);
 466         Banana::$page->assign('extimages', Banana::$msgshow_hasextimages);
 467         Banana::$page->assign('headers', Banana::$msgshow_headers);
 468         Banana::$page->assign('type', $partid);
 469         return true;
 470     }
 471
 472     protected function action_newMessage($group, $artid)
 473     {
 474         Banana::$page->setPage('new');
 475         if (!Banana::$protocole->canSend()) {
 476             return _b_('Vous n\'avez pas le droit de poster');
 477         }
 478         $hdrs    = Banana::$protocole->requestedHeaders();
 479         $headers = array();
 480         foreach ($hdrs as $header) {
 481             $headers[$header] = array('name' => BananaMessage::translateHeaderName($header));
 482             if (isset(Banana::$profile['headers'][$header])) {
 483                 $headers[$header]['fixed'] = Banana::$profile['headers'][$header];
 484             }
 485         }
 486         if (isset($_POST['sendmessage'])) {
 487             $hdr_values = array();
 488             foreach ($hdrs as $header) {
 489                 $hdr_values[$header] = isset($headers[$header]['fixed']) ? $headers[$header]['fixed'] : @$_POST[$header];
 490                 if ($headers != 'Subject') {
 491                     $hdr_values[$header] = str_replace(', ', ',', $hdr_values[$header]);
 492                 }
 493             }
 494             if ($artid) {
 495                 $old =& $this->loadMessage($group, $artid);
 496                 $hdr_values['References'] = $old->getHeaderValue('references') . $old->getHeaderValue('message-id');
 497             }
 498             $msg = null;
 499             if (empty($hdr_values['Subject'])) {
 500                 Banana::$page->trig(_b_('Le message doit avoir un sujet'));
 501             } elseif (Banana::$msgedit_canattach && isset($_FILES['attachment'])) {
 502                 $uploaded = $_FILES['attachment'];
 503                 if (!is_uploaded_file($uploaded['tmp_name'])) {
 504                     Banana::$page->trig(_b_('Une erreur est survenue lors du téléchargement du fichier'));
 505                 } else {
 506                     $msg = BananaMessage::newMessage($hdr_values, $_POST['body'], $uploaded);
 507                 }
 508             } else {
 509                 $msg = BananaMessage::newMessage($hdr_values, $_POST['body']);
 510             }
 511             if (!is_null($msg)) {
 512                 if (Banana::$protocole->send($msg)) {
 513                     $newid = Banana::$spool->updateUnread(Banana::$profile['lastnews']);
 514                     Banana::$page->redirect(array('group' => $group, 'artid' => $newid ? $newid : $artid));
 515                 }
 516                 Banana::$page->trig(_b_('Une erreur est survenue lors de l\'envoi du message :') . '<br />'
 517                                    . Banana::$protocole->lastError());
 518             }
 519         } else {
 520             if (!is_null($artid)) {
 521                 $msg    =& $this->loadMessage($group, $artid);
 522                 $body    = $msg->getSender() . _b_(' a écrit :') . "\n" . $msg->quote();
 523                 $subject = $msg->getHeaderValue('subject');
 524                 $headers['Subject']['user'] = 'Re: ' . preg_replace("/^re\s*:\s*/i", '', $subject);
 525                 $target  = $msg->getHeaderValue($hdrs['reply']);
 526                 if (empty($target)) {
 527                     $target = $group;
 528                 }
 529                 $headers[$hdrs['dest']]['user'] =& $target;
 530             } else {
 531                 $body    = '';
 532                 $headers[$hdrs['dest']]['user'] = $group;
 533             }
 534             if (Banana::$profile['signature']) {
 535                 $body .=  "\n\n-- \n" . Banana::$profile['signature'];
 536             }
 537             Banana::$page->assign('body', $body);
 538         }
 539
 540         Banana::$page->assign('maxfilesize', Banana::$msgedit_maxfilesize);
 541         Banana::$page->assign('can_attach', Banana::$msgedit_canattach);
 542         Banana::$page->assign('headers', $headers);
 543         return true;
 544     }
 545
 546     protected function action_cancelMessage($group, $artid)
 547     {
 548         Banana::$page->setPage('cancel');
 549         $msg =& $this->loadMessage($group, $artid);
 550         if (!$msg->canCancel()) {
 551             return _b_('Vous n\'avez pas les droits suffisants pour supprimer ce message');
 552         }
 553         if (isset($_POST['cancel'])) {
 554             $this->loadSpool($group);
 555             $ndx = Banana::$spool->getNdX($id) - 1;
 556             if (!Banana::$protocole->cancel($msg)) {
 557                 return _b_('Une erreur s\'est produite lors de l\'annulation du message :') . '<br />'
 558                        . Banana::$protocole->lastError();
 559             }
 560             if ($ndx < 50) {
 561                  $ndx = 0;
 562             }
 563             $this->removeMessage($group, $artid);
 564             Banana::$page->redirect(Array('group' => $group, 'first' => $ndx));
 565         }
 566
 567         Banana::$page->assign_by_ref('message', $msg);
 568         Banana::$page->assign('body', $msg->getFormattedBody());
 569         Banana::$page->assign('headers', Banana::$msgshow_headers);
 570         return true;
 571     }
 572
 573     /**************************************************************************/
 574     /* Spoolgen functions                                                     */
 575     /**************************************************************************/
 576
 577     private function checkErrors()
 578     {
 579         if (Banana::$protocole->lastErrno()) {
 580             echo "\nL'erreur suivante s'est produite : "
 581                 . Banana::$protocole->lastErrno() . " "
 582                 . Banana::$protocole->lastError() . "\n";
 583             return false;
 584         }
 585         return true;
 586     }
 587
 588     static public function createAllSpool(array $protos)
 589     {
 590         foreach ($protos as $proto) {
 591             $banana = new Banana(array(), $proto);
 592
 593             if (!$banana->checkErrors()) {
 594                 continue;
 595             }
 596             $groups = Banana::$protocole->getBoxList();
 597             if (!$banana->checkErrors()) {
 598                 continue;
 599             }
 600
 601             print "** $proto **\n";
 602             foreach (array_keys($groups) as $g) {
 603                 print "Generating spool for $g: ";
 604                 Banana::$group = $g;
 605                 $spool = $banana->loadSpool($g);
 606                 if (!$banana->checkErrors()) {
 607                     break;
 608                 }
 609                 print "done.\n";
 610                 unset($spool);
 611                 Banana::$spool = null;
 612             }
 613             print "\n";
 614         }
 615     }
 616
 617     static public function refreshAllFeeds(array $protos)
 618     {
 619         Banana::load('feed');
 620         Banana::$feed_updateOnDemand = true; // In order to force update
 621         foreach ($protos as $proto) {
 622             $banana = new Banana(array(), $proto);
 623
 624             if (!$banana->checkErrors()) {
 625                 continue;
 626             }
 627             $groups = Banana::$protocole->getBoxList();
 628             if (!$banana->checkErrors()) {
 629                 continue;
 630             }
 631
 632             print "** $proto **\n";
 633             foreach (array_keys($groups) as $g) {
 634                 print "Generating feed cache for $g: ";
 635                 Banana::$group = $g;
 636                 $spool = $banana->loadSpool($g);
 637                 if (!$banana->checkErrors()) {
 638                     break;
 639                 }
 640                 $feed  =& BananaFeed::getFeed();
 641                 print "done.\n";
 642                 unset($feed);
 643                 unset($spool);
 644                 Banana::$spool = null;
 645             }
 646             print "\n";
 647         }
 648     }
 649
 650     /**************************************************************************/
 651     /* Private functions                                                      */
 652     /**************************************************************************/
 653
 654     protected function loadSpool($group)
 655     {
 656         Banana::load('spool');
 657         if (!Banana::$spool || Banana::$spool->group != $group) {
 658             $clean = false;
 659             if ($group == @$_SESSION['banana_group'] && isset($_SESSION['banana_spool'])) {
 660                 Banana::$spool = unserialize($_SESSION['banana_spool']);
 661                 $clean = @(Banana::$profile['lastnews'] != $_SESSION['banana_lastnews']);
 662             } else {
 663                 unset($_SESSION['banana_message']);
 664                 unset($_SESSION['banana_artid']);
 665                 unset($_SESSION['banana_showhdr']);
 666             }
 667             BananaSpool::getSpool($group, Banana::$profile['lastnews'], Banana::$profile['autoup'] || $clean);
 668             $_SESSION['banana_group'] = $group;
 669             if (!Banana::$profile['display']) {
 670                 $_SESSION['banana_spool'] = serialize(Banana::$spool);
 671                 $_SESSION['banana_lastnews'] = Banana::$profile['lastnews'];
 672             }
 673             Banana::$spool->setMode(Banana::$profile['display'] ? Banana::SPOOL_UNREAD : Banana::SPOOL_ALL);
 674         }
 675         return true;
 676     }
 677
 678     protected function &loadMessage($group, $artid)
 679     {
 680         Banana::load('message');
 681         if ($group == @$_SESSION['banana_group'] && $artid == @$_SESSION['banana_artid']
 682             && isset($_SESSION['banana_message'])) {
 683             $message = unserialize($_SESSION['banana_message']);
 684             Banana::$msgshow_headers = $_SESSION['banana_showhdr'];
 685         }  else {
 686             $message = Banana::$protocole->getMessage($artid);
 687             $_SESSION['banana_group'] = $group;
 688             $_SESSION['banana_artid'] = $artid;
 689             $_SESSION['banana_message'] = serialize($message);
 690             $_SESSION['banana_showhdr'] = Banana::$msgshow_headers;
 691         }
 692         Banana::$message =& $message;
 693         return $message;
 694     }
 695
 696     protected function removeMessage($group, $artid)
 697     {
 698         Banana::$spool->delId($artid);
 699         if ($group == $_SESSION['banana_group']) {
 700             if (!Banana::$profile['display']) {
 701                 $_SESSION['banana_spool'] = serialize(Banana::$spool);
 702             }
 703             if ($artid == $_SESSION['banana_artid']) {
 704                 unset($_SESSION['banana_message']);
 705                 unset($_SESSION['banana_showhdr']);
 706                 unset($_SESSION['banana_artid']);
 707             }
 708         }
 709         $this->loadSpool($group);
 710         return true;
 711     }
 712
 713     static private function load($file)
 714     {
 715         $file = strtolower($file) . '.inc.php';
 716         if (!@include_once dirname(__FILE__) . "/$file") {
 717             require_once $file;
 718         }
 719     }
 720 }
 721
 722 // vim:set et sw=4 sts=4 ts=4 enc=utf-8:
 723 ?>