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     function Banana()
  86     {
  87         $this->_require('NetNNTP');
  88         setlocale(LC_ALL,  $this->profile['locale']);
  89         $this->nntp = new nntp($this->host);
  90     }
  91
  92     function run($class = 'Banana')
  93     {
  94         global $banana;
  95
  96         Banana::_require('misc');
  97         $banana = new $class();
  98
  99         if (!$banana->nntp) {
 100             return '<p class="error">'._b_('Impossible de contacter le serveur').'</p>';
 101         }
 102
 103         $group  = empty($_GET['group']) ? null : strtolower($_GET['group']);
 104         $artid  = empty($_GET['artid']) ? null : strtolower($_GET['artid']);
 105         $partid = !isset($_GET['part']) ? -1 : $_GET['part'];
 106         $banana->state = Array ('group' => $group, 'artid' => $artid);
 107
 108         if (is_null($group)) {
 109             if (isset($_GET['subscribe'])) {
 110                 return $banana->action_listSubs();
 111             } elseif (isset($_POST['subscribe'])) {
 112                 $banana->action_saveSubs();
 113             }
 114             return $banana->action_listGroups();
 115
 116         } elseif (is_null($artid)) {
 117             if (isset($_POST['action']) && $_POST['action'] == 'new') {
 118                 return $banana->action_doFup($group, isset($_POST['artid']) ? intval($_POST['artid']) : -1);
 119             } elseif (isset($_GET['action']) && $_GET['action'] == 'new') {
 120                 return $banana->action_newFup($group);
 121             } else {
 122                 return $banana->action_showThread($group, isset($_GET['first']) ? intval($_GET['first']) : 1);
 123             }
 124
 125         } else {
 126             if (isset($_POST['action']) && $_POST['action']=='cancel') {
 127                 $res = $banana->action_cancelArticle($group, $artid);
 128             } else {
 129                 $res = '';
 130             }
 131
 132             if (isset($_GET['action'])) {
 133                 switch ($_GET['action']) {
 134                     case 'cancel':
 135                         $res .= $banana->action_showArticle($group, $artid, $partid);
 136                         if ($banana->post->checkcancel()) {
 137                             $form = '<p class="error">'._b_('Voulez-vous vraiment annuler ce message ?').'</p>'
 138                                   . "<form action=\"?group=$group&amp;artid=$artid\" method='post'><p>"
 139                                   . '<input type="hidden" name="action" value="cancel" />'
 140                                   . '<input type="submit" value="Annuler !" />'
 141                                   . '</p></form>';
 142                             return $form.$res;
 143                         }
 144                         return $res;
 145
 146                     case 'new':
 147                         return $banana->action_newFup($group, $artid);
 148                 }
 149             }
 150
 151             if (isset($_GET['pj'])) {
 152                 $action = false;
 153                 if (isset($_GET['action']) && $_GET['action'] == 'view') {
 154                     $action = true;
 155                 }
 156                 $att = $banana->action_getAttachment($group, $artid, $_GET['pj'], $action);
 157                 if ($att != "") {
 158                     return $res.$att;
 159                 }
 160                 return "";
 161             }
 162
 163             return $res . $banana->action_showArticle($group, $artid, $partid);
 164         }
 165     }
 166
 167     /**************************************************************************/
 168     /* actions                                                                */
 169     /**************************************************************************/
 170
 171     function action_saveSubs()
 172     {
 173         return;
 174     }
 175
 176     function action_listGroups()
 177     {
 178         $this->_newGroup();
 179
 180         $cuts = displayshortcuts();
 181         $res  = '<h1>'._b_('Les forums de Banana').'</h1>'.$cuts.$this->groups->to_html();
 182         if (count($this->newgroups->overview)) {
 183             $res .= '<p>'._b_('Les forums suivants ont été créés depuis ton dernier passage :').'</p>';
 184             $res .= $this->newgroups->to_html();
 185         }
 186
 187         $this->nntp->quit();
 188         return $res.$cuts;
 189     }
 190
 191     function action_listSubs()
 192     {
 193         $this->_require('groups');
 194         $this->groups = new BananaGroups(BANANA_GROUP_ALL);
 195
 196         $cuts = displayshortcuts();
 197         $res  = '<h1>'._b_('Abonnements').'</h1>'.$cuts.$this->groups->to_html(true).$cuts;
 198
 199         $this->nntp->quit();
 200         return $res;
 201     }
 202
 203     function action_showThread($group, $first)
 204     {
 205         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 206
 207         if ($first > count($this->spool->overview)) {
 208             $first = count($this->spool->overview);
 209         }
 210
 211         $first = $first - ($first % $this->tmax) + 1;
 212
 213         $cuts = displayshortcuts($first);
 214
 215         $res  = '<h1>'.$group.'</h1>'.$cuts;
 216         $res  .= $this->spool->to_html($first, $first+$this->tmax);
 217
 218         $this->nntp->quit();
 219
 220         return $res.$cuts;
 221     }
 222
 223     function action_showArticle($group, $id, $part)
 224     {
 225         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 226         $this->_newPost($id);
 227         if (!$this->post) {
 228             if ($this->nntp->lasterrorcode == "423") {
 229                 $this->spool->delid($id);
 230             }
 231             $this->nntp->quit();
 232             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 233         }
 234
 235         $cuts = displayshortcuts();
 236         $res  = '<h1>'._b_('Message').'</h1>'.$cuts;
 237         $res .= $this->post->to_html($part);
 238
 239         $this->nntp->quit();
 240
 241         return $res.$cuts;
 242     }
 243
 244     function action_getAttachment($group, $id, $pjid, $action)
 245     {
 246         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 247         $this->_newPost($id);
 248         if (!$this->post) {
 249             if ($this->nntp->lasterrorcode == "423") {
 250                 $this->spool->delid($id);
 251             }
 252             $this->nntp->quit();
 253             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 254         }
 255
 256         $this->nntp->quit();
 257         if ($this->post->get_attachment($pjid, $action)) {
 258             return "";
 259         } else {
 260             return displayshortcuts().'<p calss="error">'._b_('Impossible d\'accéder à la pièce jointe.').'</p>';
 261         }
 262     }
 263
 264     function action_cancelArticle($group, $id)
 265     {
 266         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 267         $this->_newPost($id);
 268         $mid  = array_search($id, $this->spool->ids);
 269
 270         if (!$this->post->checkcancel()) {
 271             return '<p class="error">'._b_('Vous n\'avez pas les permissions pour annuler ce message').'</p>';
 272         }
 273         $msg = 'From: '.$this->profile['name']."\n"
 274              . "Newsgroups: $group\n"
 275              . "Subject: cmsg $mid\n"
 276              . $this->custom
 277              . "Control: cancel $mid\n"
 278              . "\n"
 279              . "Message canceled with Banana";
 280         if ($this->nntp->post($msg)) {
 281             $this->spool->delid($id);
 282             $this->nntp->quit();
 283             header("Location: ?group=$group&amp;first=$id");
 284         } else {
 285             return '<p class="error">'._b_('Impossible d\'annuler le message').'</p>';
 286         }
 287     }
 288
 289     function action_newFup($group, $id = -1)
 290     {
 291         $subject = $body = '';
 292         $target  = $group;
 293
 294         if ($id > 0) {
 295             $this->nntp->group($group);
 296             $this->_newPost($id);
 297             if ($this->post) {
 298                 $subject = preg_replace("/^re\s*:\s*/i", '', 'Re: '.$this->post->headers['subject']);
 299                 $body    = utf8_encode($this->post->name." "._b_("a écrit"))." :\n".wrap($this->post->get_body(), "> ");
 300                 $target  = isset($this->post->headers['followup-to']) ? $this->post->headers['followup-to'] : $this->post->headers['newsgroups'];
 301             }
 302         }
 303
 304         $this->nntp->quit();
 305
 306         $cuts  = displayshortcuts();
 307         $html  = '<h1>'._b_('Nouveau message').'</h1>'.$cuts;
 308         $html .= '<form enctype="multipart/form-data" action="?group='.$group.'" method="post" accept-charset="utf-8">';
 309         $html .= '<table class="bicol" cellpadding="0" cellspacing="0">';
 310         $html .= '<tr><th colspan="2">'._b_('En-têtes').'</th></tr>';
 311         $html .= '<tr><td>'._b_('Nom').'</td><td>'.htmlentities($this->profile['name']).'</td></tr>';
 312         $html .= '<tr><td>'._b_('Sujet').'</td><td><input type="text" name="subject" value="'.htmlentities($subject).'" size="60" /></td></tr>';
 313         $html .= '<tr><td>'._b_('Forums').'</td><td><input type="text" name="newsgroups" value="'.htmlentities($target).'" size="60" /></td></tr>';
 314         $html .= '<tr><td>'._b_('Suivi à').'</td><td><input type="text" name="followup" value="" size="60" /></td></tr>';
 315         $html .= '<tr><td>'._b_('Organisation').'</td><td>'.$this->profile['org'].'</td></tr>';
 316         $html .= '<tr><th colspan="2">'._b_('Corps').'</th></tr>';
 317         $html .= '<tr><td colspan="2"><textarea name="body" cols="74" rows="16">'
 318               .  to_entities($body).($this->profile['sig'] ? "\n\n-- \n".htmlentities($this->profile['sig']) : '').'</textarea></td></tr>';
 319         if ($this->can_attach) {
 320                 $html .= '<tr><th colspan="2">'._b_('Pièce jointe').'</th></tr>';
 321             $html .= '<tr><td colspan="2"><input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxfilesize.'" />';
 322             $html .= '<input type="file" name="newpj" size="40"/></td></tr>';
 323         }
 324             $html .= '<tr><th colspan="2">';
 325         if ($id > 0) {
 326             $html .= '<input type="hidden" name="artid" value="'.$id.'" />';
 327         }
 328         $html .= '<input type="hidden" name="action" value="new" />';
 329         $html .= '<input type="submit" value="Envoyer les message" /></th></tr>';
 330         $html .= '</table></form>';
 331
 332         return $html.$cuts;
 333     }
 334
 335     function action_doFup($group, $artid = -1)
 336     {
 337         if ( ! ( is_utf8($_POST['subject']) && is_utf8($_POST['name'])
 338                  && is_utf8($_POST['org']) && is_utf8($_POST['body']) )
 339         ) {
 340             foreach(array('subject', 'name', 'org', 'body') as $key) {
 341                 $_POST[$key] = utf8_encode($_POST[$key]);
 342             }
 343         }
 344
 345         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 346         $body = preg_replace("/\n\.[ \t\r]*\n/m", "\n..\n", $_POST['body']);
 347         $msg  = 'From: '.$this->profile['name']."\n"
 348               . "Newsgroups: ".$_POST['newsgroups']."\n"
 349               . "Subject: ".headerEncode($_POST['subject'], 128)."\n"
 350               . (empty($this->profile['org']) ? '' : "Organization: {$this->profile['org']}\n")
 351               . (empty($_POST['followup'])    ? '' : 'Followup-To: '.$_POST['followup']."\n");
 352
 353         if ($artid != -1) {
 354             $this->_require('post');
 355             $post = new BananaPost($artid);
 356             $refs = ( isset($post->headers['references']) ? $post->headers['references']." " : "" );
 357             $msg .= "References: $refs{$post->headers['message-id']}\n";
 358         }
 359
 360         $body_headers  = $this->custom_plain;
 361         $body          = wrap($body, "");
 362
 363         // include attachment in the body
 364         $uploaded = $this->_upload('newpj');
 365         switch ($uploaded['error']) {
 366             case UPLOAD_ERR_OK:
 367                 $this->custom = $this->custom_mp.$this->custom;
 368                 $body         = $this->_make_part($body_headers, $body);
 369                 $file_head    = 'Content-Type: '.$uploaded['type'].'; name="'.$uploaded['name']."\"\n"
 370                               . 'Content-Transfer-Encoding: '.$uploaded['encoding']."\n"
 371                               . 'Content-Disposition: attachment; filename="'.$uploaded['name']."\"\n";
 372                 $body        .= $this->_make_part($file_head, $uploaded['data']);
 373                 $body        .= "\n--".$this->boundary.'--';
 374                 break;
 375
 376             case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE:
 377                 return '<p class="error">'._b_('Fichier trop gros pour être envoyé : ')
 378                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 379
 380             case UPLOAD_ERR_PARTIAL:
 381                 return '<p class="error">'._b_('Erreur lors de l\'upload de ')
 382                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 383
 384             case UPLOAD_ERR_NO_FILE:
 385                 return '<p class="error">'._b_('Le fichier spécifié n\'existe pas : ')
 386                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 387
 388             case UPLOAD_ERR_NO_TMP_DIR:
 389                 return '<p class="error">'._b_('Une erreur est survenue sur le serveur lors de l\'upload de ')
 390                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 391
 392             default:
 393                 $this->custom = $body_headers.$this->custom;
 394         }
 395
 396         // finalise and post the message
 397         $msg .= $this->custom.$this->profile['customhdr']."\n".$body;
 398
 399         if ($this->nntp->post($msg)) {
 400             header("Location: ?group=$group".($artid==-1 ? '' : "&first=$artid"));
 401         } else {
 402             return "<p class=\"error\">"._b_('Impossible de poster le message')."</p>".$this->action_showThread($group, $artid);
 403         }
 404     }
 405
 406     /**************************************************************************/
 407     /* Private functions                                                      */
 408     /**************************************************************************/
 409
 410     function _newSpool($group, $disp=0, $since='') {
 411         $this->_require('spool');
 412         if (!$this->spool || $this->spool->group != $group) {
 413             $this->spool = new BananaSpool($group, $disp, $since);
 414         }
 415     }
 416
 417     function _newPost($id)
 418     {
 419         $this->_require('post');
 420         $this->post = new BananaPost($id);
 421     }
 422
 423     function _newGroup()
 424     {
 425         $this->_require('groups');
 426         $this->groups = new BananaGroups(BANANA_GROUP_SUB);
 427         if ($this->groups->type == BANANA_GROUP_SUB) {
 428             $this->newgroups = new BananaGroups(BANANA_GROUP_NEW);
 429         }
 430     }
 431
 432     function _require($file)
 433     {
 434         require_once (dirname(__FILE__).'/'.$file.'.inc.php');
 435     }
 436
 437     function _upload($file)
 438     {
 439         if ($_FILES[$file]['name'] == "") {
 440             return Array( 'error' => -1 );
 441         }
 442
 443         // upload
 444         $_FILES[$file]['tmp_name'];
 445
 446         // test if upload is ok
 447         $file    = $_FILES[$file];
 448         if ($file['size'] == 0 || $file['error'] != 0) {
 449             if ($file['error'] == 0) {
 450                 $file['error'] = -1;
 451             }
 452             return $file;
 453         }
 454
 455         // adding custum data
 456         $mime    = rtrim(shell_exec('file -bi '.$file['tmp_name'])); //Because mime_content_type don't work :(
 457         $encod   = 'base64';
 458         if (preg_match("@([^ ]+/[^ ]+); (.*)@", $mime, $format)) {
 459             $mime  = $format[1];
 460             $encod = $format[2];
 461         }
 462         $data = fread(fopen($file['tmp_name'], 'r'), $file['size']);
 463         if ($encod == 'base64') {
 464             $data = chunk_split(base64_encode($data));
 465         }
 466         $file['name']     = basename($file['name']);
 467         $file['type']     = $mime;
 468         $file['encoding'] = $encod;
 469         $file['data']     = $data;
 470
 471         return $file;
 472     }
 473
 474     function _make_part($headers, $body)
 475     {
 476         return "\n--".$this->boundary."\n".$headers."\n".$body;
 477     }
 478 }
 479
 480 ?>