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', 'subject', '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);
  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 = $myget;
 112         }
 113
 114
 115         if (!$banana->nntp) {
 116             return '<p class="error">'._b_('Impossible de contacter le serveur').'</p>';
 117         }
 118
 119         $group  = empty($banana->get['group']) ? null : $banana->get['group'];
 120         $artid  = empty($banana->get['artid']) ? null : strtolower($banana->get['artid']);
 121         $partid = !isset($banana->get['part']) ? -1 : $banana->get['part'];
 122         $banana->state = Array ('group' => $group, 'artid' => $artid);
 123
 124         if (is_null($group)) {
 125             if (isset($banana->get['subscribe'])) {
 126                 return $banana->action_listSubs();
 127             } elseif (isset($_POST['validsubs'])) {
 128                 $banana->action_saveSubs();
 129             }
 130             return $banana->action_listGroups();
 131
 132         } elseif (is_null($artid)) {
 133             if (isset($_POST['action']) && $_POST['action'] == 'new') {
 134                 return $banana->action_doFup($group, isset($_POST['artid']) ? intval($_POST['artid']) : -1);
 135             } elseif (isset($banana->get['action']) && $banana->get['action'] == 'new') {
 136                 return $banana->action_newFup($group);
 137             } else {
 138                 return $banana->action_showThread($group, isset($banana->get['first']) ? intval($banana->get['first']) : 1);
 139             }
 140
 141         } else {
 142             if (isset($_POST['action']) && $_POST['action']=='cancel') {
 143                 $res = $banana->action_cancelArticle($group, $artid);
 144             } else {
 145                 $res = '';
 146             }
 147
 148             if (isset($banana->get['action'])) {
 149                 switch ($banana->get['action']) {
 150                     case 'cancel':
 151                         $res .= $banana->action_showArticle($group, $artid, $partid);
 152                         if ($banana->post->checkcancel()) {
 153                             $form = '<p class="error">'._b_('Voulez-vous vraiment annuler ce message ?').'</p>'
 154                                   . '<form action="'
 155                                   . htmlentities(makeLink(Array('group' => $group,
 156                                                                 'artid' => $artid)))
 157                                   . '" method="post"><p>'
 158                                   . '<input type="hidden" name="action" value="cancel" />'
 159                                   . '<input type="submit" value="Annuler !" />'
 160                                   . '</p></form>';
 161                             return $form.$res;
 162                         }
 163                         return $res;
 164
 165                     case 'new':
 166                         return $banana->action_newFup($group, $artid);
 167                 }
 168             }
 169
 170             if (isset($banana->get['pj'])) {
 171                 $action = false;
 172                 if (isset($banana->get['action']) && $banana->get['action'] == 'view') {
 173                     $action = true;
 174                 }
 175                 $att = $banana->action_getAttachment($group, $artid, $banana->get['pj'], $action);
 176                 if ($att != "") {
 177                     return $res.$att;
 178                 }
 179                 return "";
 180             }
 181
 182             return $res . $banana->action_showArticle($group, $artid, $partid);
 183         }
 184     }
 185
 186     /**************************************************************************/
 187     /* actions                                                                */
 188     /**************************************************************************/
 189
 190     function action_saveSubs()
 191     {
 192         return;
 193     }
 194
 195     function action_listGroups()
 196     {
 197         $this->_newGroup();
 198
 199         $cuts = displayshortcuts();
 200         $res  = '<h1>'._b_('Les forums de Banana').'</h1>'.$cuts.$this->groups->to_html();
 201         if (count($this->newgroups->overview)) {
 202             $res .= '<p>'._b_('Les forums suivants ont été créés depuis ton dernier passage :').'</p>';
 203             $res .= $this->newgroups->to_html();
 204         }
 205
 206         $this->nntp->quit();
 207         return $res.$cuts;
 208     }
 209
 210     function action_listSubs()
 211     {
 212         $this->_require('groups');
 213         $this->groups = new BananaGroups(BANANA_GROUP_ALL);
 214
 215         $cuts = displayshortcuts();
 216         $res  = '<h1>'._b_('Abonnements').'</h1>'.$cuts.$this->groups->to_html(true).$cuts;
 217
 218         $this->nntp->quit();
 219         return $res;
 220     }
 221
 222     function action_showThread($group, $first)
 223     {
 224         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 225             return '<p class="error">'._b_('Impossible charger la liste des messages de ') . $group . '</p>';
 226         }
 227
 228         if ($first > count($this->spool->overview)) {
 229             $first = count($this->spool->overview);
 230         }
 231
 232         $first = $first - ($first % $this->tmax) + 1;
 233
 234         $cuts = displayshortcuts($first);
 235
 236         $res  = '<h1>'.$group.'</h1>'.$cuts;
 237         $res  .= $this->spool->to_html($first, $first+$this->tmax);
 238
 239         $this->nntp->quit();
 240
 241         return $res.$cuts;
 242     }
 243
 244     function action_showArticle($group, $id, $part)
 245     {
 246         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 247             return '<p class="error">'._b_('Impossible charger la liste des messages de ') . $group . '</p>';
 248         }
 249
 250         if (!$this->_newPost($id)) {
 251             if ($this->nntp->lasterrorcode == "423") {
 252                 $this->spool->delid($id);
 253             }
 254             $this->nntp->quit();
 255             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 256         }
 257
 258         $cuts = displayshortcuts();
 259         $res  = '<h1>'._b_('Message').'</h1>'.$cuts;
 260         $res .= $this->post->to_html($part);
 261
 262         $this->nntp->quit();
 263
 264         return $res.$cuts;
 265     }
 266
 267     function action_getAttachment($group, $id, $pjid, $action)
 268     {
 269         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 270             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 271         }
 272
 273         if (!$this->_newPost($id)) {
 274             if ($this->nntp->lasterrorcode == "423") {
 275                 $this->spool->delid($id);
 276             }
 277             $this->nntp->quit();
 278             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 279         }
 280
 281         $this->nntp->quit();
 282         if ($this->post->get_attachment($pjid, $action)) {
 283             return "";
 284         } else {
 285             return displayshortcuts().'<p calss="error">'._b_('Impossible d\'accéder à la pièce jointe.').'</p>';
 286         }
 287     }
 288
 289     function action_cancelArticle($group, $id)
 290     {
 291         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 292             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 293         }
 294
 295         if (!$this->_newPost($id)) {
 296             return '<p class="error">'._b_('Impossible de trouver le message à annuler').'</p>';
 297         }
 298         $mid  = array_search($id, $this->spool->ids);
 299
 300         if (!$this->post->checkcancel()) {
 301             return '<p class="error">'._b_('Vous n\'avez pas les permissions pour annuler ce message').'</p>';
 302         }
 303         $msg = 'From: '.$this->profile['name']."\n"
 304              . "Newsgroups: $group\n"
 305              . "Subject: cmsg $mid\n"
 306              . $this->custom
 307              . "Control: cancel $mid\n"
 308              . "\n"
 309              . "Message canceled with Banana";
 310         if ($this->nntp->post($msg)) {
 311             $this->spool->delid($id);
 312             $this->nntp->quit();
 313             redirectInBanana(Array('group' => $group,
 314                            'first' => $id));
 315         } else {
 316             return '<p class="error">'._b_('Impossible d\'annuler le message').'</p>';
 317         }
 318     }
 319
 320     function action_newFup($group, $id = -1)
 321     {
 322         $subject = $body = '';
 323         $target  = $group;
 324
 325         if ($id > 0) {
 326             $this->nntp->group($group);
 327             if ($this->_newPost($id)) {
 328                 $subject = preg_replace("/^re\s*:\s*/i", '', 'Re: '.$this->post->headers['subject']);
 329                 $body    = utf8_encode($this->post->name." "._b_("a écrit"))." :\n".wrap($this->post->get_body(), "> ");
 330                 $target  = isset($this->post->headers['followup-to']) ? $this->post->headers['followup-to'] : $this->post->headers['newsgroups'];
 331             }
 332         }
 333
 334         $this->nntp->quit();
 335
 336         $cuts  = displayshortcuts();
 337         $html  = '<h1>'._b_('Nouveau message').'</h1>'.$cuts;
 338         $html .= '<form enctype="multipart/form-data" action="'
 339                . htmlentities(makeLink(Array('group' => $group)))
 340                .'" method="post" accept-charset="utf-8">';
 341         $html .= '<table class="bicol" cellpadding="0" cellspacing="0">';
 342         $html .= '<tr><th colspan="2">'._b_('En-têtes').'</th></tr>';
 343         $html .= '<tr><td>'._b_('Nom').'</td><td>'.htmlentities($this->profile['name']).'</td></tr>';
 344         $html .= '<tr><td>'._b_('Sujet').'</td><td><input type="text" name="subject" value="'.htmlentities($subject).'" size="60" /></td></tr>';
 345         $html .= '<tr><td>'._b_('Forums').'</td><td><input type="text" name="newsgroups" value="'.htmlentities($target).'" size="60" /></td></tr>';
 346         $html .= '<tr><td>'._b_('Suivi à').'</td><td><input type="text" name="followup" value="" size="60" /></td></tr>';
 347         $html .= '<tr><td>'._b_('Organisation').'</td><td>'.$this->profile['org'].'</td></tr>';
 348         $html .= '<tr><th colspan="2">'._b_('Corps').'</th></tr>';
 349         $html .= '<tr><td colspan="2"><textarea name="body" cols="74" rows="16">'
 350               .  to_entities($body).($this->profile['sig'] ? "\n\n-- \n".htmlentities($this->profile['sig']) : '').'</textarea></td></tr>';
 351         if ($this->can_attach) {
 352             $html .= '<tr><th colspan="2">'._b_('Pièce jointe').'</th></tr>';
 353             $html .= '<tr><td colspan="2"><input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxfilesize.'" />';
 354             $html .= '<input type="file" name="newpj" size="40"/></td></tr>';
 355         }
 356         $html .= '<tr><th colspan="2">';
 357         if ($id > 0) {
 358             $html .= '<input type="hidden" name="artid" value="'.$id.'" />';
 359         }
 360         $html .= '<input type="hidden" name="action" value="new" />';
 361         $html .= '<input type="submit" value="Envoyer le message" /></th></tr>';
 362         $html .= '</table></form>';
 363
 364         return $html.$cuts;
 365     }
 366
 367     function action_doFup($group, $artid = -1)
 368     {
 369         if ( ! ( is_utf8($_POST['subject']) && is_utf8($_POST['name'])
 370                  && is_utf8($_POST['org']) && is_utf8($_POST['body']) )
 371         ) {
 372             foreach(array('subject', 'name', 'org', 'body') as $key) {
 373                 $_POST[$key] = utf8_encode($_POST[$key]);
 374             }
 375         }
 376
 377         $forums = preg_split('/\s*(,|;)\s*/', $_POST['newsgroups']);
 378         $fup    = $_POST['followup'];
 379         if (sizeof($forums) > 1) {
 380             if (empty($fup)) {
 381                 $fup = $forums[0];
 382             }
 383         }
 384         $to     = implode(',', $forums);
 385
 386         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 387             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 388         }
 389
 390         $body = preg_replace("/\n\.[ \t\r]*\n/m", "\n..\n", $_POST['body']);
 391         $msg  = 'From: ' . $this->profile['name'] . "\n"
 392               . "Newsgroups: ". $to . "\n"
 393               . "Subject: " . headerEncode($_POST['subject'], 128) . "\n"
 394               . (empty($this->profile['org']) ? '' : "Organization: {$this->profile['org']}\n")
 395               . (empty($fup) ? '' : 'Followup-To: ' . $fup . "\n");
 396
 397         if ($artid != -1) {
 398             $this->_require('post');
 399             $post = new BananaPost($artid);
 400             if (!$post || !$post->valid) {
 401                 return '<p class="error">'._b_('Impossible charger le message d\'origine').'</p>';
 402             }
 403             $refs = ( isset($post->headers['references']) ? $post->headers['references']." " : "" );
 404             $msg .= "References: $refs{$post->headers['message-id']}\n";
 405         }
 406
 407         $body_headers  = $this->custom_plain;
 408         $body          = wrap($body, "");
 409
 410         // include attachment in the body
 411         $uploaded = $this->_upload('newpj');
 412         switch ($uploaded['error']) {
 413             case UPLOAD_ERR_OK:
 414                 $this->custom = $this->custom_mp.$this->custom;
 415                 $body         = $this->_make_part($body_headers, $body);
 416                 $file_head    = 'Content-Type: '.$uploaded['type'].'; name="'.$uploaded['name']."\"\n"
 417                               . 'Content-Transfer-Encoding: '.$uploaded['encoding']."\n"
 418                               . 'Content-Disposition: attachment; filename="'.$uploaded['name']."\"\n";
 419                 $body        .= $this->_make_part($file_head, $uploaded['data']);
 420                 $body        .= "\n--".$this->boundary.'--';
 421                 break;
 422
 423             case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE:
 424                 return '<p class="error">'._b_('Fichier trop gros pour être envoyé : ')
 425                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 426
 427             case UPLOAD_ERR_PARTIAL:
 428                 return '<p class="error">'._b_('Erreur lors de l\'upload de ')
 429                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 430
 431             case UPLOAD_ERR_NO_FILE:
 432                 return '<p class="error">'._b_('Le fichier spécifié n\'existe pas : ')
 433                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 434
 435             case UPLOAD_ERR_NO_TMP_DIR:
 436                 return '<p class="error">'._b_('Une erreur est survenue sur le serveur lors de l\'upload de ')
 437                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 438
 439             default:
 440                 $this->custom = $body_headers.$this->custom;
 441         }
 442
 443         // finalise and post the message
 444         $msg .= $this->custom.$this->profile['customhdr']."\n".$body;
 445
 446         if ($this->nntp->post($msg)) {
 447             $dir = Array('group' => $group);
 448             if ($artid != -1) {
 449                 $dir['first'] = $artid;
 450             }
 451             redirectInBanana($dir);
 452         } else {
 453             return "<p class=\"error\">"._b_('Impossible de poster le message')."</p>".$this->action_showThread($group, $artid);
 454         }
 455     }
 456
 457     /**************************************************************************/
 458     /* Private functions                                                      */
 459     /**************************************************************************/
 460
 461     function _newSpool($group, $disp=0, $since='') {
 462         $this->_require('spool');
 463         if (!$this->spool || $this->spool->group != $group) {
 464             $this->spool = new BananaSpool($group, $disp, $since);
 465             if (!$this->spool || !$this->spool->valid) {
 466                 $this->spool = null;
 467                 return false;
 468             }
 469         }
 470         if (count($this->profile['subscribe']) > 0) {
 471             $this->_newGroup(false);
 472         }
 473         return true;
 474     }
 475
 476     function _newPost($id)
 477     {
 478         $this->_require('post');
 479         $this->post = new BananaPost($id);
 480         if (!$this->post || !$this->post->valid) {
 481             $this->post = null;
 482             return false;
 483         }
 484         return true;
 485     }
 486
 487     function _newGroup($showNew = true)
 488     {
 489         $this->_require('groups');
 490         $this->groups = new BananaGroups(BANANA_GROUP_SUB);
 491         if ($showNew && $this->groups->type == BANANA_GROUP_SUB) {
 492             $this->newgroups = new BananaGroups(BANANA_GROUP_NEW);
 493         }
 494     }
 495
 496     function _require($file)
 497     {
 498         require_once (dirname(__FILE__).'/'.$file.'.inc.php');
 499     }
 500
 501     function _upload($file)
 502     {
 503         if ($_FILES[$file]['name'] == "") {
 504             return Array( 'error' => -1 );
 505         }
 506
 507         // upload
 508         $_FILES[$file]['tmp_name'];
 509
 510         // test if upload is ok
 511         $file    = $_FILES[$file];
 512         if ($file['size'] == 0 || $file['error'] != 0) {
 513             if ($file['error'] == 0) {
 514                 $file['error'] = -1;
 515             }
 516             return $file;
 517         }
 518
 519         // adding custum data
 520         $mime    = rtrim(shell_exec('file -bi '.$file['tmp_name'])); //Because mime_content_type don't work :(
 521         $encod   = 'base64';
 522         if (preg_match("@([^ ]+/[^ ]+); (.*)@", $mime, $format)) {
 523             $mime  = $format[1];
 524             $encod = $format[2];
 525         }
 526         $data = fread(fopen($file['tmp_name'], 'r'), $file['size']);
 527         if ($encod == 'base64') {
 528             $data = chunk_split(base64_encode($data));
 529         }
 530         $file['name']     = basename($file['name']);
 531         $file['type']     = $mime;
 532         $file['encoding'] = $encod;
 533         $file['data']     = $data;
 534
 535         return $file;
 536     }
 537
 538     function _make_part($headers, $body)
 539     {
 540         return "\n--".$this->boundary."\n".$headers."\n".$body;
 541     }
 542 }
 543
 544 // vim:set et sw=4 sts=4 ts=4
 545 ?>