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         if (!$this->nntp || !$this->nntp->valid) {
  91             $this->nntp = null;
  92         }
  93     }
  94
  95     function run($class = 'Banana')
  96     {
  97         global $banana;
  98
  99         Banana::_require('misc');
 100         $banana = new $class();
 101
 102         if (!$banana->nntp) {
 103             return '<p class="error">'._b_('Impossible de contacter le serveur').'</p>';
 104         }
 105
 106         $group  = empty($_GET['group']) ? null : strtolower($_GET['group']);
 107         $artid  = empty($_GET['artid']) ? null : strtolower($_GET['artid']);
 108         $partid = !isset($_GET['part']) ? -1 : $_GET['part'];
 109         $banana->state = Array ('group' => $group, 'artid' => $artid);
 110
 111         if (is_null($group)) {
 112             if (isset($_GET['subscribe'])) {
 113                 return $banana->action_listSubs();
 114             } elseif (isset($_POST['subscribe'])) {
 115                 $banana->action_saveSubs();
 116             }
 117             return $banana->action_listGroups();
 118
 119         } elseif (is_null($artid)) {
 120             if (isset($_POST['action']) && $_POST['action'] == 'new') {
 121                 return $banana->action_doFup($group, isset($_POST['artid']) ? intval($_POST['artid']) : -1);
 122             } elseif (isset($_GET['action']) && $_GET['action'] == 'new') {
 123                 return $banana->action_newFup($group);
 124             } else {
 125                 return $banana->action_showThread($group, isset($_GET['first']) ? intval($_GET['first']) : 1);
 126             }
 127
 128         } else {
 129             if (isset($_POST['action']) && $_POST['action']=='cancel') {
 130                 $res = $banana->action_cancelArticle($group, $artid);
 131             } else {
 132                 $res = '';
 133             }
 134
 135             if (isset($_GET['action'])) {
 136                 switch ($_GET['action']) {
 137                     case 'cancel':
 138                         $res .= $banana->action_showArticle($group, $artid, $partid);
 139                         if ($banana->post->checkcancel()) {
 140                             $form = '<p class="error">'._b_('Voulez-vous vraiment annuler ce message ?').'</p>'
 141                                   . "<form action=\"?group=$group&amp;artid=$artid\" method='post'><p>"
 142                                   . '<input type="hidden" name="action" value="cancel" />'
 143                                   . '<input type="submit" value="Annuler !" />'
 144                                   . '</p></form>';
 145                             return $form.$res;
 146                         }
 147                         return $res;
 148
 149                     case 'new':
 150                         return $banana->action_newFup($group, $artid);
 151                 }
 152             }
 153
 154             if (isset($_GET['pj'])) {
 155                 $action = false;
 156                 if (isset($_GET['action']) && $_GET['action'] == 'view') {
 157                     $action = true;
 158                 }
 159                 $att = $banana->action_getAttachment($group, $artid, $_GET['pj'], $action);
 160                 if ($att != "") {
 161                     return $res.$att;
 162                 }
 163                 return "";
 164             }
 165
 166             return $res . $banana->action_showArticle($group, $artid, $partid);
 167         }
 168     }
 169
 170     /**************************************************************************/
 171     /* actions                                                                */
 172     /**************************************************************************/
 173
 174     function action_saveSubs()
 175     {
 176         return;
 177     }
 178
 179     function action_listGroups()
 180     {
 181         $this->_newGroup();
 182
 183         $cuts = displayshortcuts();
 184         $res  = '<h1>'._b_('Les forums de Banana').'</h1>'.$cuts.$this->groups->to_html();
 185         if (count($this->newgroups->overview)) {
 186             $res .= '<p>'._b_('Les forums suivants ont été créés depuis ton dernier passage :').'</p>';
 187             $res .= $this->newgroups->to_html();
 188         }
 189
 190         $this->nntp->quit();
 191         return $res.$cuts;
 192     }
 193
 194     function action_listSubs()
 195     {
 196         $this->_require('groups');
 197         $this->groups = new BananaGroups(BANANA_GROUP_ALL);
 198
 199         $cuts = displayshortcuts();
 200         $res  = '<h1>'._b_('Abonnements').'</h1>'.$cuts.$this->groups->to_html(true).$cuts;
 201
 202         $this->nntp->quit();
 203         return $res;
 204     }
 205
 206     function action_showThread($group, $first)
 207     {
 208         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 209             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 210         }
 211
 212         if ($first > count($this->spool->overview)) {
 213             $first = count($this->spool->overview);
 214         }
 215
 216         $first = $first - ($first % $this->tmax) + 1;
 217
 218         $cuts = displayshortcuts($first);
 219
 220         $res  = '<h1>'.$group.'</h1>'.$cuts;
 221         $res  .= $this->spool->to_html($first, $first+$this->tmax);
 222
 223         $this->nntp->quit();
 224
 225         return $res.$cuts;
 226     }
 227
 228     function action_showArticle($group, $id, $part)
 229     {
 230         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 231             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 232         }
 233
 234         if (!$this->_newPost($id)) {
 235             if ($this->nntp->lasterrorcode == "423") {
 236                 $this->spool->delid($id);
 237             }
 238             $this->nntp->quit();
 239             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 240         }
 241
 242         $cuts = displayshortcuts();
 243         $res  = '<h1>'._b_('Message').'</h1>'.$cuts;
 244         $res .= $this->post->to_html($part);
 245
 246         $this->nntp->quit();
 247
 248         return $res.$cuts;
 249     }
 250
 251     function action_getAttachment($group, $id, $pjid, $action)
 252     {
 253         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 254             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 255         }
 256
 257         if (!$this->_newPost($id)) {
 258             if ($this->nntp->lasterrorcode == "423") {
 259                 $this->spool->delid($id);
 260             }
 261             $this->nntp->quit();
 262             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 263         }
 264
 265         $this->nntp->quit();
 266         if ($this->post->get_attachment($pjid, $action)) {
 267             return "";
 268         } else {
 269             return displayshortcuts().'<p calss="error">'._b_('Impossible d\'accéder à la pièce jointe.').'</p>';
 270         }
 271     }
 272
 273     function action_cancelArticle($group, $id)
 274     {
 275         if (!$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             return '<p class="error">'._b_('Impossible de trouver le message à annuler').'</p>';
 281         }
 282         $mid  = array_search($id, $this->spool->ids);
 283
 284         if (!$this->post->checkcancel()) {
 285             return '<p class="error">'._b_('Vous n\'avez pas les permissions pour annuler ce message').'</p>';
 286         }
 287         $msg = 'From: '.$this->profile['name']."\n"
 288              . "Newsgroups: $group\n"
 289              . "Subject: cmsg $mid\n"
 290              . $this->custom
 291              . "Control: cancel $mid\n"
 292              . "\n"
 293              . "Message canceled with Banana";
 294         if ($this->nntp->post($msg)) {
 295             $this->spool->delid($id);
 296             $this->nntp->quit();
 297             redirect('group=' . $group . '&first=' . $id);
 298         } else {
 299             return '<p class="error">'._b_('Impossible d\'annuler le message').'</p>';
 300         }
 301     }
 302
 303     function action_newFup($group, $id = -1)
 304     {
 305         $subject = $body = '';
 306         $target  = $group;
 307
 308         if ($id > 0) {
 309             $this->nntp->group($group);
 310             if ($this->_newPost($id)) {
 311                 $subject = preg_replace("/^re\s*:\s*/i", '', 'Re: '.$this->post->headers['subject']);
 312                 $body    = utf8_encode($this->post->name." "._b_("a écrit"))." :\n".wrap($this->post->get_body(), "> ");
 313                 $target  = isset($this->post->headers['followup-to']) ? $this->post->headers['followup-to'] : $this->post->headers['newsgroups'];
 314             }
 315         }
 316
 317         $this->nntp->quit();
 318
 319         $cuts  = displayshortcuts();
 320         $html  = '<h1>'._b_('Nouveau message').'</h1>'.$cuts;
 321         $html .= '<form enctype="multipart/form-data" action="?group='.$group.'" method="post" accept-charset="utf-8">';
 322         $html .= '<table class="bicol" cellpadding="0" cellspacing="0">';
 323         $html .= '<tr><th colspan="2">'._b_('En-têtes').'</th></tr>';
 324         $html .= '<tr><td>'._b_('Nom').'</td><td>'.htmlentities($this->profile['name']).'</td></tr>';
 325         $html .= '<tr><td>'._b_('Sujet').'</td><td><input type="text" name="subject" value="'.htmlentities($subject).'" size="60" /></td></tr>';
 326         $html .= '<tr><td>'._b_('Forums').'</td><td><input type="text" name="newsgroups" value="'.htmlentities($target).'" size="60" /></td></tr>';
 327         $html .= '<tr><td>'._b_('Suivi à').'</td><td><input type="text" name="followup" value="" size="60" /></td></tr>';
 328         $html .= '<tr><td>'._b_('Organisation').'</td><td>'.$this->profile['org'].'</td></tr>';
 329         $html .= '<tr><th colspan="2">'._b_('Corps').'</th></tr>';
 330         $html .= '<tr><td colspan="2"><textarea name="body" cols="74" rows="16">'
 331               .  to_entities($body).($this->profile['sig'] ? "\n\n-- \n".htmlentities($this->profile['sig']) : '').'</textarea></td></tr>';
 332         if ($this->can_attach) {
 333                 $html .= '<tr><th colspan="2">'._b_('Pièce jointe').'</th></tr>';
 334             $html .= '<tr><td colspan="2"><input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxfilesize.'" />';
 335             $html .= '<input type="file" name="newpj" size="40"/></td></tr>';
 336         }
 337             $html .= '<tr><th colspan="2">';
 338         if ($id > 0) {
 339             $html .= '<input type="hidden" name="artid" value="'.$id.'" />';
 340         }
 341         $html .= '<input type="hidden" name="action" value="new" />';
 342         $html .= '<input type="submit" value="Envoyer le message" /></th></tr>';
 343         $html .= '</table></form>';
 344
 345         return $html.$cuts;
 346     }
 347
 348     function action_doFup($group, $artid = -1)
 349     {
 350         if ( ! ( is_utf8($_POST['subject']) && is_utf8($_POST['name'])
 351                  && is_utf8($_POST['org']) && is_utf8($_POST['body']) )
 352         ) {
 353             foreach(array('subject', 'name', 'org', 'body') as $key) {
 354                 $_POST[$key] = utf8_encode($_POST[$key]);
 355             }
 356         }
 357
 358                 $forums = preg_split('/\s*(,|;)\s*/', $_POST['newsgroups']);
 359                 $fup    = $_POST['followup'];
 360                 if (sizeof($forums) > 1) {
 361                         if (empty($fup)) {
 362                                 $fup = $forums[0];
 363                         }
 364                 }
 365                 $to     = implode(',', $forums);
 366
 367         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 368             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 369         }
 370
 371         $body = preg_replace("/\n\.[ \t\r]*\n/m", "\n..\n", $_POST['body']);
 372         $msg  = 'From: ' . $this->profile['name'] . "\n"
 373               . "Newsgroups: ". $to . "\n"
 374               . "Subject: " . headerEncode($_POST['subject'], 128) . "\n"
 375               . (empty($this->profile['org']) ? '' : "Organization: {$this->profile['org']}\n")
 376               . (empty($fup) ? '' : 'Followup-To: ' . $fup . "\n");
 377
 378         if ($artid != -1) {
 379             $this->_require('post');
 380             $post = new BananaPost($artid);
 381             if (!$post || !$post->valid) {
 382                 return '<p class="error">'._b_('Impossible charger le message d\'origine').'</p>';
 383             }
 384             $refs = ( isset($post->headers['references']) ? $post->headers['references']." " : "" );
 385             $msg .= "References: $refs{$post->headers['message-id']}\n";
 386         }
 387
 388         $body_headers  = $this->custom_plain;
 389         $body          = wrap($body, "");
 390
 391         // include attachment in the body
 392         $uploaded = $this->_upload('newpj');
 393         switch ($uploaded['error']) {
 394             case UPLOAD_ERR_OK:
 395                 $this->custom = $this->custom_mp.$this->custom;
 396                 $body         = $this->_make_part($body_headers, $body);
 397                 $file_head    = 'Content-Type: '.$uploaded['type'].'; name="'.$uploaded['name']."\"\n"
 398                               . 'Content-Transfer-Encoding: '.$uploaded['encoding']."\n"
 399                               . 'Content-Disposition: attachment; filename="'.$uploaded['name']."\"\n";
 400                 $body        .= $this->_make_part($file_head, $uploaded['data']);
 401                 $body        .= "\n--".$this->boundary.'--';
 402                 break;
 403
 404             case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE:
 405                 return '<p class="error">'._b_('Fichier trop gros pour être envoyé : ')
 406                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 407
 408             case UPLOAD_ERR_PARTIAL:
 409                 return '<p class="error">'._b_('Erreur lors de l\'upload de ')
 410                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 411
 412             case UPLOAD_ERR_NO_FILE:
 413                 return '<p class="error">'._b_('Le fichier spécifié n\'existe pas : ')
 414                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 415
 416             case UPLOAD_ERR_NO_TMP_DIR:
 417                 return '<p class="error">'._b_('Une erreur est survenue sur le serveur lors de l\'upload de ')
 418                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 419
 420             default:
 421                 $this->custom = $body_headers.$this->custom;
 422         }
 423
 424         // finalise and post the message
 425         $msg .= $this->custom.$this->profile['customhdr']."\n".$body;
 426
 427         if ($this->nntp->post($msg)) {
 428             redirect('group=' . $group . ($artid == -1 ? '' : '&first=' . $artid));
 429         } else {
 430             return "<p class=\"error\">"._b_('Impossible de poster le message')."</p>".$this->action_showThread($group, $artid);
 431         }
 432     }
 433
 434     /**************************************************************************/
 435     /* Private functions                                                      */
 436     /**************************************************************************/
 437
 438     function _newSpool($group, $disp=0, $since='') {
 439         $this->_require('spool');
 440         if (!$this->spool || $this->spool->group != $group) {
 441             $this->spool = new BananaSpool($group, $disp, $since);
 442             if (!$this->spool || !$this->spool->valid) {
 443                 $this->spool = null;
 444                 return false;
 445             }
 446         }
 447         return true;
 448     }
 449
 450     function _newPost($id)
 451     {
 452         $this->_require('post');
 453         $this->post = new BananaPost($id);
 454         if (!$this->post || !$this->post->valid) {
 455             $this->post = null;
 456             return false;
 457         }
 458         return true;
 459     }
 460
 461     function _newGroup()
 462     {
 463         $this->_require('groups');
 464         $this->groups = new BananaGroups(BANANA_GROUP_SUB);
 465         if ($this->groups->type == BANANA_GROUP_SUB) {
 466             $this->newgroups = new BananaGroups(BANANA_GROUP_NEW);
 467         }
 468     }
 469
 470     function _require($file)
 471     {
 472         require_once (dirname(__FILE__).'/'.$file.'.inc.php');
 473     }
 474
 475     function _upload($file)
 476     {
 477         if ($_FILES[$file]['name'] == "") {
 478             return Array( 'error' => -1 );
 479         }
 480
 481         // upload
 482         $_FILES[$file]['tmp_name'];
 483
 484         // test if upload is ok
 485         $file    = $_FILES[$file];
 486         if ($file['size'] == 0 || $file['error'] != 0) {
 487             if ($file['error'] == 0) {
 488                 $file['error'] = -1;
 489             }
 490             return $file;
 491         }
 492
 493         // adding custum data
 494         $mime    = rtrim(shell_exec('file -bi '.$file['tmp_name'])); //Because mime_content_type don't work :(
 495         $encod   = 'base64';
 496         if (preg_match("@([^ ]+/[^ ]+); (.*)@", $mime, $format)) {
 497             $mime  = $format[1];
 498             $encod = $format[2];
 499         }
 500         $data = fread(fopen($file['tmp_name'], 'r'), $file['size']);
 501         if ($encod == 'base64') {
 502             $data = chunk_split(base64_encode($data));
 503         }
 504         $file['name']     = basename($file['name']);
 505         $file['type']     = $mime;
 506         $file['encoding'] = $encod;
 507         $file['data']     = $data;
 508
 509         return $file;
 510     }
 511
 512     function _make_part($headers, $body)
 513     {
 514         return "\n--".$this->boundary."\n".$headers."\n".$body;
 515     }
 516 }
 517
 518 ?>