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