banana/banana.inc.php.in

   1 <?php
   2 /********************************************************************************
   3 * install.d/config.inc.php : configuration 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 class Banana
  11 {
  12     var $maxspool    = 3000;
  13
  14     var $hdecode     = array('from','name','organization','subject');
  15     var $parse_hdr   = array('content-disposition', 'content-transfer-encoding',
  16                              'content-type', 'content-id', 'date', 'followup-to',
  17                              'from', 'message-id', 'newsgroups', 'organization',
  18                              'references', 'subject', 'x-face');
  19     var $show_hdr    = array('from', 'newsgroups', 'followup', 'date',
  20                              'organization', 'references', 'x-face');
  21
  22     /** Favorites MIMEtypes to use, by order for reading multipart messages
  23      */
  24     var $body_mime   = array('text/plain', 'text/html', 'text/richtext');
  25     /** Indicate wether posting attachment is allowed
  26      */
  27     var $can_attach  = true;
  28     /** Maximum allowed file size for attachment
  29      */
  30     var $maxfilesize = 100000;
  31     /** Indicate wether x-face should be skinned as specials data or not
  32      */
  33     var $formatxface = true;
  34
  35     /** Regexp for selecting newsgroups to show (if empty, match all newsgroups)
  36      * ex : '^xorg\..*' for xorg.*
  37      */
  38     var $grp_pattern;
  39
  40     var $tbefore     = 5;
  41     var $tafter      = 5;
  42     var $tmax        = 50;
  43
  44     var $wrap        = 74;
  45     /** Match an url
  46      * Should be included in a regexp delimited using ! (eg: "!$url_regexp!i")
  47      * If it matches, return 3 main parts :
  48      *  \\1 and \\3 are delimiters
  49      *  \\2 is the url
  50      *
  51      * eg : preg_match("!$url_regexp!i", "[http://www.polytechnique.org]", $matches);
  52      *   $matches[1] = "["
  53      *   $matches[2] = "http://www.polytechnique.org"
  54      *   $matches[3] = "]"
  55      */
  56     var $url_regexp  = '(["\[])?((?:https?|ftp|news)://(?:&amp;|,?[a-z@0-9.~%$£µ&i#\-+=_/\?])*)(["\]])?';
  57
  58
  59     /** Boundary for multipart messages
  60      */
  61     var $boundary    = 'bananaBoundary42';
  62     /** Global headers to use for messages
  63      */
  64     var $custom      = "Mime-Version: 1.0\nUser-Agent: Banana @VERSION@\n";
  65     /** Global headers to use from multipart messages
  66      */
  67     var $custom_mp   = "Content-Type: multipart/mixed; boundary=\"bananaBoundary42\"\nContent-Transfer-Encoding: 7bit\n";
  68     /** Body type when using plain text
  69      */
  70     var $custom_plain= "Content-Type: text/plain; charset=utf-8\nContent-Transfert-Encoding: 8bit\n";
  71
  72     /** News serveur to use
  73      */
  74     var $host        = 'news://localhost:119/';
  75
  76     /** User profile
  77      */
  78     var $profile     = Array( 'name' => 'Anonymous <anonymouse@example.com>', 'sig'  => '', 'org'  => '',
  79             'customhdr' =>'', 'display' => 0, 'lastnews' => 0, 'locale'  => 'fr_FR', 'subscribe' => array());
  80
  81     var $state       = Array('group' => null, 'artid' => null, 'action' => null);
  82     var $nntp;
  83     var $groups;
  84     var $newgroups;
  85     var $post;
  86     var $spool;
  87
  88     var $get;
  89
  90     function Banana()
  91     {
  92         $this->_require('NetNNTP');
  93         setlocale(LC_ALL,  $this->profile['locale']);
  94         $this->nntp = new nntp($this->host);
  95         if (!$this->nntp || !$this->nntp->valid) {
  96             $this->nntp = null;
  97         }
  98     }
  99
 100     /** Run Banana
 101      * @param STRING class Name of the class to use
 102      * @param ARRAY  myget If defined is used instead of get
 103      */
 104     function run($class = 'Banana', $myget = null)
 105     {
 106         global $banana;
 107
 108         Banana::_require('misc');
 109         $banana = new $class();
 110
 111         if (is_null($myget)) {
 112             $banana->get = $_GET;
 113         } else {
 114             $banana->get = $myget;
 115         }
 116
 117         if (!$banana->nntp) {
 118             return '<p class="error">'._b_('Impossible de contacter le serveur').'</p>';
 119         }
 120
 121         $group  = empty($banana->get['group']) ? null : $banana->get['group'];
 122         if (!is_null($group)
 123                 &&  isset($banana->grp_pattern) && !preg_match('/' . $banana->grp_pattern . '/', $group)) {
 124             return '<p class="error">'
 125                     . $group . _b_(' : ce newsgroup n\'existe pas ou vous n\'avez pas l\'autorisation d\'y accéder')
 126                     . '</p>';
 127         }
 128         $artid  = empty($banana->get['artid']) ? null : strtolower($banana->get['artid']);
 129         $partid = !isset($banana->get['part']) ? -1 : $banana->get['part'];
 130         $action = !isset($banana->get['action']) ? null : $banana->get['action'];
 131         $banana->state = Array ('group' => $group, 'artid' => $artid, 'action' => $action);
 132
 133         if (is_null($group)) {
 134             if (isset($banana->get['subscribe'])) {
 135                 return $banana->action_listSubs();
 136             } elseif (isset($_POST['validsubs'])) {
 137                 $banana->action_saveSubs();
 138             }
 139             return $banana->action_listGroups();
 140
 141         } elseif (is_null($artid)) {
 142             if (isset($_POST['action']) && $_POST['action'] == 'new') {
 143                 return $banana->action_doFup($group, isset($_POST['artid']) ? intval($_POST['artid']) : -1);
 144             } elseif ($action == 'new') {
 145                 return $banana->action_newFup($group);
 146             } else {
 147                 return $banana->action_showThread($group, isset($banana->get['first']) ? intval($banana->get['first']) : 1);
 148             }
 149
 150         } else {
 151             if (isset($_POST['action']) && $_POST['action']=='cancel') {
 152                 $res = $banana->action_cancelArticle($group, $artid);
 153             } else {
 154                 $res = '';
 155             }
 156
 157             if (!is_null($action)) {
 158                 switch ($action) {
 159                     case 'cancel':
 160                         $res .= $banana->action_showArticle($group, $artid, $partid);
 161                         if ($banana->post->checkcancel()) {
 162                             $form = '<p class="error">'._b_('Voulez-vous vraiment annuler ce message ?').'</p>'
 163                                   . '<form action="'
 164                                   . htmlentities(makeLink(Array('group' => $group,
 165                                                                 'artid' => $artid)))
 166                                   . '" method="post"><p>'
 167                                   . '<input type="hidden" name="action" value="cancel" />'
 168                                   . '<input type="submit" value="Annuler !" />'
 169                                   . '</p></form>';
 170                             return $form.$res;
 171                         }
 172                         return $res;
 173
 174                     case 'new':
 175                         return $banana->action_newFup($group, $artid);
 176                 }
 177             }
 178
 179             if (isset($banana->get['pj'])) {
 180                 $view = false;
 181                 if ($action == 'view') {
 182                     $view = true;
 183                 }
 184                 $att = $banana->action_getAttachment($group, $artid, $banana->get['pj'], $view);
 185                 if ($att != "") {
 186                     return $res.$att;
 187                 }
 188                 return "";
 189             }
 190
 191             return $res . $banana->action_showArticle($group, $artid, $partid);
 192         }
 193     }
 194
 195     /**************************************************************************/
 196     /* actions                                                                */
 197     /**************************************************************************/
 198
 199     function action_saveSubs()
 200     {
 201         return;
 202     }
 203
 204     function action_listGroups()
 205     {
 206         $this->_newGroup();
 207
 208         $cuts = displayshortcuts();
 209         $res  = '<h1>'._b_('Les forums de Banana').'</h1>'.$cuts.$this->groups->to_html();
 210         if (count($this->newgroups->overview)) {
 211             $res .= '<p>'._b_('Les forums suivants ont été créés depuis ton dernier passage :').'</p>';
 212             $res .= $this->newgroups->to_html();
 213         }
 214
 215         $this->nntp->quit();
 216         return $res.$cuts;
 217     }
 218
 219     function action_listSubs()
 220     {
 221         $this->_require('groups');
 222         $this->groups = new BananaGroups(BANANA_GROUP_ALL);
 223
 224         $cuts = displayshortcuts();
 225         $res  = '<h1>'._b_('Abonnements').'</h1>'.$cuts.$this->groups->to_html(true).$cuts;
 226
 227         $this->nntp->quit();
 228         return $res;
 229     }
 230
 231     function action_showThread($group, $first)
 232     {
 233         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 234             return '<p class="error">'._b_('Impossible charger la liste des messages de ') . $group . '</p>';
 235         }
 236
 237         if ($first > count($this->spool->overview)) {
 238             $first = count($this->spool->overview);
 239         }
 240
 241         $first = $first - ($first % $this->tmax) + 1;
 242
 243         $cuts = displayshortcuts($first);
 244
 245         $res  = '<h1>'.$group.'</h1>'.$cuts;
 246         $res  .= $this->spool->to_html($first, $first+$this->tmax);
 247
 248         $this->nntp->quit();
 249
 250         return $res.$cuts;
 251     }
 252
 253     function action_showArticle($group, $id, $part)
 254     {
 255         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 256             return '<p class="error">'._b_('Impossible charger la liste des messages de ') . $group . '</p>';
 257         }
 258
 259         if (!$this->_newPost($id)) {
 260             if ($this->nntp->lasterrorcode == "423") {
 261                 $this->spool->delid($id);
 262             }
 263             $this->nntp->quit();
 264             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 265         }
 266
 267         $cuts = displayshortcuts();
 268         $res  = '<h1>'._b_('Message').'</h1>'.$cuts;
 269         $res .= $this->post->to_html($part);
 270
 271         $this->nntp->quit();
 272
 273         return $res.$cuts;
 274     }
 275
 276     function action_getAttachment($group, $id, $pjid, $action)
 277     {
 278         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 279             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 280         }
 281
 282         if (!$this->_newPost($id)) {
 283             if ($this->nntp->lasterrorcode == "423") {
 284                 $this->spool->delid($id);
 285             }
 286             $this->nntp->quit();
 287             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 288         }
 289
 290         $this->nntp->quit();
 291         if ($this->post->get_attachment($pjid, $action)) {
 292             return "";
 293         } else {
 294             return displayshortcuts().'<p calss="error">'._b_('Impossible d\'accéder à la pièce jointe.').'</p>';
 295         }
 296     }
 297
 298     function action_cancelArticle($group, $id)
 299     {
 300         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 301             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 302         }
 303
 304         if (!$this->_newPost($id)) {
 305             return '<p class="error">'._b_('Impossible de trouver le message à annuler').'</p>';
 306         }
 307         $mid  = array_search($id, $this->spool->ids);
 308
 309         if (!$this->post->checkcancel()) {
 310             return '<p class="error">'._b_('Vous n\'avez pas les permissions pour annuler ce message').'</p>';
 311         }
 312         $msg = 'From: '.$this->profile['name']."\n"
 313              . "Newsgroups: $group\n"
 314              . "Subject: cmsg $mid\n"
 315              . $this->custom
 316              . "Control: cancel $mid\n"
 317              . "\n"
 318              . "Message canceled with Banana";
 319         if ($this->nntp->post($msg)) {
 320             $this->spool->delid($id);
 321             $this->nntp->quit();
 322             redirectInBanana(Array('group' => $group,
 323                            'first' => $id));
 324         } else {
 325             return '<p class="error">'._b_('Impossible d\'annuler le message').'</p>';
 326         }
 327     }
 328
 329     function action_newFup($group, $id = -1)
 330     {
 331         $subject = $body = '';
 332         $target  = $group;
 333
 334         if ($id > 0) {
 335             $this->nntp->group($group);
 336             if ($this->_newPost($id)) {
 337                 $subject = preg_replace("/^re\s*:\s*/i", '', 'Re: '.$this->post->headers['subject']);
 338                 $body    = utf8_encode($this->post->name." "._b_("a écrit"))." :\n".wrap($this->post->get_body(), "> ");
 339                 $target  = isset($this->post->headers['followup-to']) ? $this->post->headers['followup-to'] : $this->post->headers['newsgroups'];
 340             }
 341         }
 342
 343         $this->nntp->quit();
 344
 345         $cuts  = displayshortcuts();
 346         $html  = '<h1>'._b_('Nouveau message').'</h1>'.$cuts;
 347         $html .= '<form enctype="multipart/form-data" action="'
 348                . htmlentities(makeLink(Array('group' => $group)))
 349                .'" method="post" accept-charset="utf-8">';
 350         $html .= '<table class="bicol" cellpadding="0" cellspacing="0">';
 351         $html .= '<tr><th colspan="2">'._b_('En-têtes').'</th></tr>';
 352         $html .= '<tr><td>'._b_('Nom').'</td><td>'.htmlentities($this->profile['name']).'</td></tr>';
 353         $html .= '<tr><td>'._b_('Sujet').'</td><td><input type="text" name="subject" value="'.htmlentities($subject).'" size="60" /></td></tr>';
 354         $html .= '<tr><td>'._b_('Forums').'</td><td><input type="text" name="newsgroups" value="'.htmlentities($target).'" size="60" /></td></tr>';
 355         $html .= '<tr><td>'._b_('Suivi à').'</td><td><input type="text" name="followup" value="" size="60" /></td></tr>';
 356         $html .= '<tr><td>'._b_('Organisation').'</td><td>'.$this->profile['org'].'</td></tr>';
 357         $html .= '<tr><th colspan="2">'._b_('Corps').'</th></tr>';
 358         $html .= '<tr><td colspan="2"><textarea name="body" cols="74" rows="16">'
 359               .  to_entities($body).($this->profile['sig'] ? "\n\n-- \n".htmlentities($this->profile['sig']) : '').'</textarea></td></tr>';
 360         if ($this->can_attach) {
 361             $html .= '<tr><th colspan="2">'._b_('Pièce jointe').'</th></tr>';
 362             $html .= '<tr><td colspan="2"><input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxfilesize.'" />';
 363             $html .= '<input type="file" name="newpj" size="40"/></td></tr>';
 364         }
 365         $html .= '<tr><th colspan="2">';
 366         if ($id > 0) {
 367             $html .= '<input type="hidden" name="artid" value="'.$id.'" />';
 368         }
 369         $html .= '<input type="hidden" name="action" value="new" />';
 370         $html .= '<input type="submit" value="Envoyer le message" /></th></tr>';
 371         $html .= '</table></form>';
 372
 373         return $html.$cuts;
 374     }
 375
 376     function action_doFup($group, $artid = -1)
 377     {
 378         if ( ! ( is_utf8($_POST['subject']) && is_utf8($_POST['name'])
 379                  && is_utf8($_POST['org']) && is_utf8($_POST['body']) )
 380         ) {
 381             foreach(array('subject', 'name', 'org', 'body') as $key) {
 382                 $_POST[$key] = utf8_encode($_POST[$key]);
 383             }
 384         }
 385
 386         $forums = preg_split('/\s*(,|;)\s*/', $_POST['newsgroups']);
 387         $fup    = $_POST['followup'];
 388         if (sizeof($forums) > 1) {
 389             if (empty($fup)) {
 390                 $fup = $forums[0];
 391             }
 392         }
 393         $to     = implode(',', $forums);
 394
 395         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 396             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 397         }
 398
 399         $body = preg_replace("/\n\.[ \t\r]*\n/m", "\n..\n", $_POST['body']);
 400         $msg  = 'From: ' . $this->profile['name'] . "\n"
 401               . "Newsgroups: ". $to . "\n"
 402               . "Subject: " . headerEncode($_POST['subject'], 128) . "\n"
 403               . (empty($this->profile['org']) ? '' : "Organization: {$this->profile['org']}\n")
 404               . (empty($fup) ? '' : 'Followup-To: ' . $fup . "\n");
 405
 406         if ($artid != -1) {
 407             $this->_require('post');
 408             $post = new BananaPost($artid);
 409             if (!$post || !$post->valid) {
 410                 return '<p class="error">'._b_('Impossible charger le message d\'origine').'</p>';
 411             }
 412             $refs = ( isset($post->headers['references']) ? $post->headers['references']." " : "" );
 413             $msg .= "References: $refs{$post->headers['message-id']}\n";
 414         }
 415
 416         $body_headers  = $this->custom_plain;
 417         $body          = wrap($body, "");
 418
 419         // include attachment in the body
 420         $uploaded = $this->_upload('newpj');
 421         switch ($uploaded['error']) {
 422             case UPLOAD_ERR_OK:
 423                 $this->custom = $this->custom_mp.$this->custom;
 424                 $body         = $this->_make_part($body_headers, $body);
 425                 $file_head    = 'Content-Type: '.$uploaded['type'].'; name="'.$uploaded['name']."\"\n"
 426                               . 'Content-Transfer-Encoding: '.$uploaded['encoding']."\n"
 427                               . 'Content-Disposition: attachment; filename="'.$uploaded['name']."\"\n";
 428                 $body        .= $this->_make_part($file_head, $uploaded['data']);
 429                 $body        .= "\n--".$this->boundary.'--';
 430                 break;
 431
 432             case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE:
 433                 return '<p class="error">'._b_('Fichier trop gros pour être envoyé : ')
 434                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 435
 436             case UPLOAD_ERR_PARTIAL:
 437                 return '<p class="error">'._b_('Erreur lors de l\'upload de ')
 438                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 439
 440             case UPLOAD_ERR_NO_FILE:
 441                 return '<p class="error">'._b_('Le fichier spécifié n\'existe pas : ')
 442                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 443
 444             case UPLOAD_ERR_NO_TMP_DIR:
 445                 return '<p class="error">'._b_('Une erreur est survenue sur le serveur lors de l\'upload de ')
 446                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 447
 448             default:
 449                 $this->custom = $body_headers.$this->custom;
 450         }
 451
 452         // finalise and post the message
 453         $msg .= $this->custom.$this->profile['customhdr']."\n".$body;
 454
 455         if ($this->nntp->post($msg)) {
 456             $dir = Array('group' => $group);
 457             if ($artid != -1) {
 458                 $dir['first'] = $artid;
 459             }
 460             redirectInBanana($dir);
 461         } else {
 462             return '<p class="error">' . _b_('Impossible de poster le message') . '</p>'
 463                    . $this->action_showThread($group, $artid);
 464         }
 465     }
 466
 467     /**************************************************************************/
 468     /* Private functions                                                      */
 469     /**************************************************************************/
 470
 471     function _newSpool($group, $disp=0, $since='') {
 472         $this->_require('spool');
 473         if (!$this->spool || $this->spool->group != $group) {
 474             $this->spool = new BananaSpool($group, $disp, $since);
 475             if (!$this->spool || !$this->spool->valid) {
 476                 $this->spool = null;
 477                 return false;
 478             }
 479         }
 480         if (count($this->profile['subscribe']) > 0) {
 481             $this->_newGroup(false);
 482         }
 483         return true;
 484     }
 485
 486     function _newPost($id)
 487     {
 488         $this->_require('post');
 489         $this->post = new BananaPost($id);
 490         if (!$this->post || !$this->post->valid) {
 491             $this->post = null;
 492             return false;
 493         }
 494         return true;
 495     }
 496
 497     function _newGroup($showNew = true)
 498     {
 499         $this->_require('groups');
 500         $this->groups = new BananaGroups(BANANA_GROUP_SUB);
 501         if ($showNew && $this->groups->type == BANANA_GROUP_SUB) {
 502             $this->newgroups = new BananaGroups(BANANA_GROUP_NEW);
 503         }
 504     }
 505
 506     function _require($file)
 507     {
 508         require_once (dirname(__FILE__).'/'.$file.'.inc.php');
 509     }
 510
 511     function _upload($file)
 512     {
 513         if ($_FILES[$file]['name'] == "") {
 514             return Array( 'error' => -1 );
 515         }
 516
 517         // upload
 518         $_FILES[$file]['tmp_name'];
 519
 520         // test if upload is ok
 521         $file    = $_FILES[$file];
 522         if ($file['size'] == 0 || $file['error'] != 0) {
 523             if ($file['error'] == 0) {
 524                 $file['error'] = -1;
 525             }
 526             return $file;
 527         }
 528
 529         // adding custum data
 530         $mime    = rtrim(shell_exec('file -bi '.$file['tmp_name'])); //Because mime_content_type don't work :(
 531         $encod   = 'base64';
 532         if (preg_match("@([^ ]+/[^ ]+); (.*)@", $mime, $format)) {
 533             $mime  = $format[1];
 534             $encod = $format[2];
 535         }
 536         $data = fread(fopen($file['tmp_name'], 'r'), $file['size']);
 537         if ($encod == 'base64') {
 538             $data = chunk_split(base64_encode($data));
 539         }
 540         $file['name']     = basename($file['name']);
 541         $file['type']     = $mime;
 542         $file['encoding'] = $encod;
 543         $file['data']     = $data;
 544
 545         return $file;
 546     }
 547
 548     function _make_part($headers, $body)
 549     {
 550         return "\n--".$this->boundary."\n".$headers."\n".$body;
 551     }
 552 }
 553
 554 // vim:set et sw=4 sts=4 ts=4
 555 ?>