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($banana->get['subscribe'])) {
 135                 return makeTable($banana->action_listSubs());
 136             } elseif (isset($_POST['validsubs'])) {
 137                 $banana->action_saveSubs();
 138             }
 139             return makeTable($banana->action_listGroups());
 140
 141         } elseif (is_null($artid)) {
 142             if (isset($_POST['action']) && $_POST['action'] == 'new') {
 143                 return makeTable($banana->action_doFup($group, isset($_POST['artid']) ? intval($_POST['artid']) : -1));
 144             } elseif ($action == 'new') {
 145                 return makeTable($banana->action_newFup($group));
 146             } else {
 147                 return makeTable($banana->action_showThread($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' => $artid)))
 166                                   . '" method="post"><p>'
 167                                   . '<input type="hidden" name="action" value="cancel" />'
 168                                   . '<input type="submit" value="Annuler !" />'
 169                                   . '</p></form>';
 170                             return makeTable($form . $res);
 171                         }
 172                         return makeTable("" . $res);
 173
 174                     case 'new':
 175                         return makeTable($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'], $view);
 185                 return makeTable($res . $att);
 186             }
 187
 188             return makeTable($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         $res  = $this->groups->to_html();
 206         if (count($this->newgroups->overview)) {
 207             $res .= '<p>'._b_('Les forums suivants ont été créés depuis ton dernier passage :').'</p>';
 208             $res .= $this->newgroups->to_html();
 209         }
 210
 211         $this->nntp->quit();
 212         return $res;
 213     }
 214
 215     function action_listSubs()
 216     {
 217         $this->_require('groups');
 218         $this->groups = new BananaGroups(BANANA_GROUP_ALL);
 219
 220         $res  = $this->groups->to_html(true);
 221
 222         $this->nntp->quit();
 223         return $res;
 224     }
 225
 226     function action_showThread($group, $first)
 227     {
 228         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 229             return '<p class="error">'._b_('Impossible charger la liste des messages de ') . $group . '</p>';
 230         }
 231
 232         if ($first > count($this->spool->overview)) {
 233             $first = count($this->spool->overview);
 234         }
 235
 236         $first = $first - ($first % $this->tmax) + 1;
 237
 238         $pages = displayPages($first);
 239         $res  = $pages . $this->spool->to_html($first, $first+$this->tmax) . $pages;
 240
 241         $this->nntp->quit();
 242
 243         return $res;
 244     }
 245
 246     function action_showArticle($group, $id, $part)
 247     {
 248         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 249             return '<p class="error">'._b_('Impossible charger la liste des messages de ') . $group . '</p>';
 250         }
 251
 252         if (!$this->_newPost($id)) {
 253             if ($this->nntp->lasterrorcode == "423") {
 254                 $this->spool->delid($id);
 255             }
 256             $this->nntp->quit();
 257             return '<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 258         }
 259
 260         $res = $this->post->to_html($part);
 261
 262         $this->nntp->quit();
 263
 264         return $res;
 265     }
 266
 267     function action_getAttachment($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 '<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, $action)) {
 283             return "";
 284         } else {
 285             return '<p calss="error">'._b_('Impossible d\'accéder à la pièce jointe.').'</p>';
 286         }
 287     }
 288
 289     function action_cancelArticle($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         $html  = '<form enctype="multipart/form-data" action="'
 337                . htmlentities(makeLink(Array('group' => $group)))
 338                .'" method="post" accept-charset="utf-8">';
 339         $html .= '<table class="bicol" cellpadding="0" cellspacing="0">';
 340         $html .= '<tr><th colspan="2">'._b_('En-têtes').'</th></tr>';
 341         $html .= '<tr><td>'._b_('Nom').'</td><td>'.htmlentities($this->profile['name']).'</td></tr>';
 342         $html .= '<tr><td>'._b_('Sujet').'</td><td><input type="text" name="subject" value="'.htmlentities($subject).'" size="60" /></td></tr>';
 343         $html .= '<tr><td>'._b_('Forums').'</td><td><input type="text" name="newsgroups" value="'.htmlentities($target).'" size="60" /></td></tr>';
 344         $html .= '<tr><td>'._b_('Suivi à').'</td><td><input type="text" name="followup" value="" size="60" /></td></tr>';
 345         $html .= '<tr><td>'._b_('Organisation').'</td><td>'.$this->profile['org'].'</td></tr>';
 346         $html .= '<tr><th colspan="2">'._b_('Corps').'</th></tr>';
 347         $html .= '<tr><td colspan="2"><textarea name="body" cols="74" rows="16">'
 348               .  to_entities($body).($this->profile['sig'] ? "\n\n-- \n".htmlentities($this->profile['sig']) : '').'</textarea></td></tr>';
 349         if ($this->can_attach) {
 350             $html .= '<tr><th colspan="2">'._b_('Pièce jointe').'</th></tr>';
 351             $html .= '<tr><td colspan="2"><input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxfilesize.'" />';
 352             $html .= '<input type="file" name="newpj" size="40"/></td></tr>';
 353         }
 354         $html .= '<tr><th colspan="2">';
 355         if ($id > 0) {
 356             $html .= '<input type="hidden" name="artid" value="'.$id.'" />';
 357         }
 358         $html .= '<input type="hidden" name="action" value="new" />';
 359         $html .= '<input type="submit" value="Envoyer le message" /></th></tr>';
 360         $html .= '</table></form>';
 361
 362         return $html;
 363     }
 364
 365     function action_doFup($group, $artid = -1)
 366     {
 367         if ( ! ( is_utf8($_POST['subject']) && is_utf8($_POST['name'])
 368                  && is_utf8($_POST['org']) && is_utf8($_POST['body']) )
 369         ) {
 370             foreach(array('subject', 'name', 'org', 'body') as $key) {
 371                 $_POST[$key] = utf8_encode($_POST[$key]);
 372             }
 373         }
 374
 375         $forums = preg_split('/\s*(,|;)\s*/', $_POST['newsgroups']);
 376         $fup    = $_POST['followup'];
 377         if (sizeof($forums) > 1) {
 378             if (empty($fup)) {
 379                 $fup = $forums[0];
 380             }
 381         }
 382         $to     = implode(',', $forums);
 383
 384         if (!$this->_newSpool($group, $this->profile['display'], $this->profile['lastnews'])) {
 385             return '<p class="error">'._b_('Impossible charger la liste des messages').'</p>';
 386         }
 387
 388         $body = preg_replace("/\n\.[ \t\r]*\n/m", "\n..\n", $_POST['body']);
 389         $msg  = 'From: ' . $this->profile['name'] . "\n"
 390               . "Newsgroups: ". $to . "\n"
 391               . "Subject: " . headerEncode($_POST['subject'], 128) . "\n"
 392               . (empty($this->profile['org']) ? '' : "Organization: {$this->profile['org']}\n")
 393               . (empty($fup) ? '' : 'Followup-To: ' . $fup . "\n");
 394
 395         if ($artid != -1) {
 396             $this->_require('post');
 397             $post = new BananaPost($artid);
 398             if (!$post || !$post->valid) {
 399                 return '<p class="error">'._b_('Impossible charger le message d\'origine').'</p>';
 400             }
 401             $refs = ( isset($post->headers['references']) ? $post->headers['references']." " : "" );
 402             $msg .= "References: $refs{$post->headers['message-id']}\n";
 403         }
 404
 405         $body_headers  = $this->custom_plain;
 406         $body          = wrap($body, "");
 407
 408         // include attachment in the body
 409         $uploaded = $this->_upload('newpj');
 410         switch ($uploaded['error']) {
 411             case UPLOAD_ERR_OK:
 412                 $this->custom = $this->custom_mp.$this->custom;
 413                 $body         = $this->_make_part($body_headers, $body);
 414                 $file_head    = 'Content-Type: '.$uploaded['type'].'; name="'.$uploaded['name']."\"\n"
 415                               . 'Content-Transfer-Encoding: '.$uploaded['encoding']."\n"
 416                               . 'Content-Disposition: attachment; filename="'.$uploaded['name']."\"\n";
 417                 $body        .= $this->_make_part($file_head, $uploaded['data']);
 418                 $body        .= "\n--".$this->boundary.'--';
 419                 break;
 420
 421             case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE:
 422                 return '<p class="error">'._b_('Fichier trop gros pour être envoyé : ')
 423                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 424
 425             case UPLOAD_ERR_PARTIAL:
 426                 return '<p class="error">'._b_('Erreur lors de l\'upload de ')
 427                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 428
 429             case UPLOAD_ERR_NO_FILE:
 430                 return '<p class="error">'._b_('Le fichier spécifié n\'existe pas : ')
 431                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 432
 433             case UPLOAD_ERR_NO_TMP_DIR:
 434                 return '<p class="error">'._b_('Une erreur est survenue sur le serveur lors de l\'upload de ')
 435                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 436
 437             default:
 438                 $this->custom = $body_headers.$this->custom;
 439         }
 440
 441         // finalise and post the message
 442         $msg .= $this->custom.$this->profile['customhdr']."\n".$body;
 443
 444         if ($this->nntp->post($msg)) {
 445             $dir = Array('group' => $group);
 446             if ($artid != -1) {
 447                 $dir['first'] = $artid;
 448             }
 449             redirectInBanana($dir);
 450         } else {
 451             return '<p class="error">' . _b_('Impossible de poster le message') . '</p>'
 452                    . $this->action_showThread($group, $artid);
 453         }
 454     }
 455
 456     /**************************************************************************/
 457     /* Private functions                                                      */
 458     /**************************************************************************/
 459
 460     function _newSpool($group, $disp=0, $since='') {
 461         $this->_require('spool');
 462         if (!$this->spool || $this->spool->group != $group) {
 463             $this->spool = new BananaSpool($group, $disp, $since);
 464             if (!$this->spool || !$this->spool->valid) {
 465                 $this->spool = null;
 466                 return false;
 467             }
 468         }
 469         if (count($this->profile['subscribe']) > 0) {
 470             $this->_newGroup(false);
 471         }
 472         return true;
 473     }
 474
 475     function _newPost($id)
 476     {
 477         $this->_require('post');
 478         $this->post = new BananaPost($id);
 479         if (!$this->post || !$this->post->valid) {
 480             $this->post = null;
 481             return false;
 482         }
 483         return true;
 484     }
 485
 486     function _newGroup($showNew = true)
 487     {
 488         $this->_require('groups');
 489         $this->groups = new BananaGroups(BANANA_GROUP_SUB);
 490         if ($showNew && $this->groups->type == BANANA_GROUP_SUB) {
 491             $this->newgroups = new BananaGroups(BANANA_GROUP_NEW);
 492         }
 493     }
 494
 495     function _require($file)
 496     {
 497         require_once (dirname(__FILE__).'/'.$file.'.inc.php');
 498     }
 499
 500     function _upload($file)
 501     {
 502         if ($_FILES[$file]['name'] == "") {
 503             return Array( 'error' => -1 );
 504         }
 505
 506         // upload
 507         $_FILES[$file]['tmp_name'];
 508
 509         // test if upload is ok
 510         $file    = $_FILES[$file];
 511         if ($file['size'] == 0 || $file['error'] != 0) {
 512             if ($file['error'] == 0) {
 513                 $file['error'] = -1;
 514             }
 515             return $file;
 516         }
 517
 518         // adding custum data
 519         $mime    = rtrim(shell_exec('file -bi '.$file['tmp_name'])); //Because mime_content_type don't work :(
 520         $encod   = 'base64';
 521         if (preg_match("@([^ ]+/[^ ]+); (.*)@", $mime, $format)) {
 522             $mime  = $format[1];
 523             $encod = $format[2];
 524         }
 525         $data = fread(fopen($file['tmp_name'], 'r'), $file['size']);
 526         if ($encod == 'base64') {
 527             $data = chunk_split(base64_encode($data));
 528         }
 529         $file['name']     = basename($file['name']);
 530         $file['type']     = $mime;
 531         $file['encoding'] = $encod;
 532         $file['data']     = $data;
 533
 534         return $file;
 535     }
 536
 537     function _make_part($headers, $body)
 538     {
 539         return "\n--".$this->boundary."\n".$headers."\n".$body;
 540     }
 541 }
 542
 543 // vim:set et sw=4 sts=4 ts=4
 544 ?>