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
  29     /** Regexp for selecting newsgroups to show (if empty, match all newsgroups)
  30      * ex : '^xorg\..*' for xorg.*
  31      */
  32     var $grp_pattern;
  33
  34     var $tbefore     = 5;
  35     var $tafter      = 5;
  36     var $tmax        = 50;
  37
  38     var $wrap        = 74;
  39
  40     /** Boundary for multipart messages
  41      */
  42     var $boundary    = 'bananaBoundary42';
  43     /** Global headers to use for messages
  44      */
  45     var $custom      = "Mime-Version: 1.0\nUser-Agent: Banana @VERSION@\n";
  46     /** Global headers to use from multipart messages
  47      */
  48     var $custom_mp   = "Content-Type: multipart/mixed; boundary=\"bananaBoundary42\"\nContent-Transfer-Encoding: 7bit\n";
  49     /** Body type when using plain text
  50      */
  51     var $custom_plain= "Content-Type: text/plain; charset=utf-8\nContent-Transfert-Encoding: 8bit\n";
  52
  53     /** News serveur to use
  54      */
  55     var $host        = 'news://localhost:119/';
  56
  57     /** User profile
  58      */
  59     var $profile     = Array( 'name' => 'Anonymous <anonymouse@example.com>', 'sig'  => '', 'org'  => '',
  60             'customhdr' =>'', 'display' => 0, 'lastnews' => 0, 'locale'  => 'fr_FR', 'subscribe' => array());
  61
  62     var $state       = Array('group' => null, 'artid' => null);
  63     var $nntp;
  64     var $groups;
  65     var $newgroups;
  66     var $post;
  67     var $spool;
  68
  69     function Banana()
  70     {
  71         $this->_require('NetNNTP');
  72         setlocale(LC_ALL,  $this->profile['locale']);
  73         $this->nntp = new nntp($this->host);
  74     }
  75
  76     function run($class = 'Banana')
  77     {
  78         global $banana;
  79
  80         Banana::_require('misc');
  81         $banana = new $class();
  82
  83         if (!$banana->nntp) {
  84             return '<p class="error">'._b_('Impossible de contacter le serveur').'</p>';
  85         }
  86
  87         $group  = empty($_GET['group']) ? null : strtolower($_GET['group']);
  88         $artid  = empty($_GET['artid']) ? null : strtolower($_GET['artid']);
  89         $partid = !isset($_GET['part']) ? -1 : $_GET['part'];
  90         $banana->state = Array ('group' => $group, 'artid' => $artid);
  91
  92         if (is_null($group)) {
  93
  94             if (isset($_GET['subscribe'])) {
  95                 return $banana->action_listSubs();
  96             } elseif (isset($_POST['subscribe'])) {
  97                 $banana->action_saveSubs();
  98             }
  99             return $banana->action_listGroups();
 100
 101         } elseif (is_null($artid)) {
 102             if (isset($_POST['action']) && $_POST['action'] == 'new') {
 103                 return $banana->action_doFup($group, isset($_POST['artid']) ? intval($_POST['artid']) : -1);
 104             } elseif (isset($_GET['action']) && $_GET['action'] == 'new') {
 105                 return $banana->action_newFup($group);
 106             } else {
 107                 return $banana->action_showThread($group, isset($_GET['first']) ? intval($_GET['first']) : 1);
 108             }
 109
 110         } else {
 111
 112             if (isset($_POST['action']) && $_POST['action']=='cancel') {
 113                 $res = $banana->action_cancelArticle($group, $artid);
 114             } else {
 115                 $res = '';
 116             }
 117
 118             if (isset($_GET['action'])) {
 119                 switch ($_GET['action']) {
 120                     case 'cancel':
 121                         $res .= $banana->action_showArticle($group, $artid, $partid);
 122                         if ($banana->post->checkcancel()) {
 123                             $form = '<p class="error">'._b_('Voulez-vous vraiment annuler ce message ?').'</p>'
 124                                   . "<form action=\"?group=$group&amp;artid=$artid\" method='post'><p>"
 125                                   . '<input type="hidden" name="action" value="cancel" />'
 126                                   . '<input type="submit" value="Annuler !" />'
 127                                   . '</p></form>';
 128                             return $form.$res;
 129                         }
 130                         return $res;
 131
 132                     case 'new':
 133                         return $banana->action_newFup($group, $artid);
 134                 }
 135             }
 136
 137             if (isset($_GET['pj'])) {
 138                 $action = false;
 139                 if (isset($_GET['action']) && $_GET['action'] == 'view') {
 140                     $action = true;
 141                 }
 142                 $att = $banana->action_getAttachment($group, $artid, $_GET['pj'], $action);
 143                 if ($att != "") {
 144                     return $res.$att;
 145                 }
 146                 return "";
 147             }
 148
 149             return $res . $banana->action_showArticle($group, $artid, $partid);
 150         }
 151     }
 152
 153     /**************************************************************************/
 154     /* actions                                                                */
 155     /**************************************************************************/
 156
 157     function action_saveSubs()
 158     {
 159         return;
 160     }
 161
 162     function action_listGroups()
 163     {
 164         $this->_newGroup();
 165
 166         $cuts = displayshortcuts();
 167         $res  = '<h1>'._b_('Les forums de Banana').'</h1>'.$cuts.$this->groups->to_html();
 168         if (count($this->newgroups->overview)) {
 169             $res .= '<p>'._b_('Les forums suivants ont été créés depuis ton dernier passage :').'</p>';
 170             $res .= $this->newgroups->to_html();
 171         }
 172
 173         $this->nntp->quit();
 174         return $res.$cuts;
 175     }
 176
 177     function action_listSubs()
 178     {
 179         $this->_require('groups');
 180         $this->groups = new BananaGroups(BANANA_GROUP_ALL);
 181
 182         $cuts = displayshortcuts();
 183         $res  = '<h1>'._b_('Abonnements').'</h1>'.$cuts.$this->groups->to_html(true).$cuts;
 184
 185         $this->nntp->quit();
 186         return $res;
 187     }
 188
 189     function action_showThread($group, $first)
 190     {
 191         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 192
 193         if ($first > count($this->spool->overview)) {
 194             $first = count($this->spool->overview);
 195         }
 196
 197         $first = $first - ($first % $this->tmax) + 1;
 198
 199         $cuts = displayshortcuts($first);
 200
 201         $res  = '<h1>'.$group.'</h1>'.$cuts;
 202         $res  .= $this->spool->to_html($first, $first+$this->tmax);
 203
 204         $this->nntp->quit();
 205
 206         return $res.$cuts;
 207     }
 208
 209     function action_showArticle($group, $id, $part)
 210     {
 211         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 212         $this->_newPost($id);
 213         if (!$this->post) {
 214             if ($this->nntp->lasterrorcode == "423") {
 215                 $this->spool->delid($id);
 216             }
 217             $this->nntp->quit();
 218             return displayshortcuts().'<p class="error">'._b_('Impossible d\'accéder au message.   Le message a peut-être été annulé').'</p>';
 219         }
 220
 221         $cuts = displayshortcuts();
 222         $res  = '<h1>'._b_('Message').'</h1>'.$cuts;
 223         $res .= $this->post->to_html($part);
 224
 225         $this->nntp->quit();
 226
 227         return $res.$cuts;
 228     }
 229
 230     function action_getAttachment($group, $id, $pjid, $action)
 231     {
 232         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 233         $this->_newPost($id);
 234         if (!$this->post) {
 235             if ($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         $this->nntp->quit();
 243         if ($this->post->get_attachment($pjid, $action)) {
 244             return "";
 245         } else {
 246             return displayshortcuts().'<p calss="error">'._b_('Impossible d\'accéder à la pièce jointe.').'</p>';
 247         }
 248     }
 249
 250     function action_cancelArticle($group, $id)
 251     {
 252         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 253         $this->_newPost($id);
 254         $mid  = array_search($id, $this->spool->ids);
 255
 256         if (!$this->post->checkcancel()) {
 257             return '<p class="error">'._b_('Vous n\'avez pas les permissions pour annuler ce message').'</p>';
 258         }
 259         $msg = 'From: '.$this->profile['name']."\n"
 260              . "Newsgroups: $group\n"
 261              . "Subject: cmsg $mid\n"
 262              . $this->custom
 263              . "Control: cancel $mid\n"
 264              . "\n"
 265              . "Message canceled with Banana";
 266         if ($this->nntp->post($msg)) {
 267             $this->spool->delid($id);
 268             $this->nntp->quit();
 269             header("Location: ?group=$group&amp;first=$id");
 270         } else {
 271             return '<p class="error">'._b_('Impossible d\'annuler le message').'</p>';
 272         }
 273     }
 274
 275     function action_newFup($group, $id = -1)
 276     {
 277         $subject = $body = '';
 278         $target  = $group;
 279
 280         if ($id > 0) {
 281             $this->nntp->group($group);
 282             $this->_newPost($id);
 283             if ($this->post) {
 284                 $subject = preg_replace("/^re\s*:\s*/i", '', 'Re: '.$this->post->headers['subject']);
 285                 $body    = utf8_encode($this->post->name." "._b_("a écrit"))." :\n".wrap($this->post->get_body(), "> ");
 286                 $target  = isset($this->post->headers['followup-to']) ? $this->post->headers['followup-to'] : $this->post->headers['newsgroups'];
 287             }
 288         }
 289
 290         $this->nntp->quit();
 291
 292         $cuts  = displayshortcuts();
 293         $html  = '<h1>'._b_('Nouveau message').'</h1>'.$cuts;
 294         $html .= '<form enctype="multipart/form-data" action="?group='.$group.'" method="post" accept-charset="utf-8">';
 295         $html .= '<table class="bicol" cellpadding="0" cellspacing="0">';
 296         $html .= '<tr><th colspan="2">'._b_('En-têtes').'</th></tr>';
 297         $html .= '<tr><td>'._b_('Nom').'</td><td>'.htmlentities($this->profile['name']).'</td></tr>';
 298         $html .= '<tr><td>'._b_('Sujet').'</td><td><input type="text" name="subject" value="'.htmlentities($subject).'" size="60" /></td></tr>';
 299         $html .= '<tr><td>'._b_('Forums').'</td><td><input type="text" name="newsgroups" value="'.htmlentities($target).'" size="60" /></td></tr>';
 300         $html .= '<tr><td>'._b_('Suivi à').'</td><td><input type="text" name="followup" value="" size="60" /></td></tr>';
 301         $html .= '<tr><td>'._b_('Organisation').'</td><td>'.$this->profile['org'].'</td></tr>';
 302         $html .= '<tr><th colspan="2">'._b_('Corps').'</th></tr>';
 303         $html .= '<tr><td colspan="2"><textarea name="body" cols="74" rows="16">'
 304               .  to_entities($body).($this->profile['sig'] ? "\n\n-- \n".htmlentities($this->profile['sig']) : '').'</textarea></td></tr>';
 305         $html .= '<tr><th colspan="2">'._b_('Pièces jointes').'</th></tr>';
 306         $html .= '<tr><td colspan="2"><input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxfilesize.'" />';
 307         $html .= '<input type="file" name="newpj" size="40"/></td></tr>';
 308             $html .= '<tr><th colspan="2">';
 309         if ($id > 0) {
 310             $html .= '<input type="hidden" name="artid" value="'.$id.'" />';
 311         }
 312         $html .= '<input type="hidden" name="action" value="new" />';
 313         $html .= '<input type="submit" /></th></tr>';
 314         $html .= '</table></form>';
 315
 316         return $html.$cuts;
 317     }
 318
 319     function action_doFup($group, $artid = -1)
 320     {
 321         if ( ! ( is_utf8($_POST['subject']) && is_utf8($_POST['name'])
 322                  && is_utf8($_POST['org']) && is_utf8($_POST['body']) )
 323         ) {
 324             foreach(array('subject', 'name', 'org', 'body') as $key) {
 325                 $_POST[$key] = utf8_encode($_POST[$key]);
 326             }
 327         }
 328
 329         $this->_newSpool($group, $this->profile['display'], $this->profile['lastnews']);
 330         $body = preg_replace("/\n\.[ \t\r]*\n/m", "\n..\n", $_POST['body']);
 331         $msg  = 'From: '.$this->profile['name']."\n"
 332               . "Newsgroups: ".$_POST['newsgroups']."\n"
 333               . "Subject: ".headerEncode($_POST['subject'], 128)."\n"
 334               . (empty($this->profile['org']) ? '' : "Organization: {$this->profile['org']}\n")
 335               . (empty($_POST['followup'])    ? '' : 'Followup-To: '.$_POST['followup']."\n");
 336
 337         if ($artid != -1) {
 338             $this->_require('post');
 339             $post = new BananaPost($artid);
 340             $refs = ( isset($post->headers['references']) ? $post->headers['references']." " : "" );
 341             $msg .= "References: $refs{$post->headers['message-id']}\n";
 342         }
 343
 344         $body_headers  = $this->custom_plain;
 345         $body          = wrap($body, "", $this->wrap);
 346
 347         // include attachment in the body
 348         $uploaded = $this->_upload('newpj');
 349         switch ($uploaded['error']) {
 350             case UPLOAD_ERR_OK:
 351                 $this->custom = $this->custom_mp.$this->custom;
 352                 $body         = $this->_make_part($body_headers, $body);
 353                 $file_head    = 'Content-Type: '.$uploaded['type'].'; name="'.$uploaded['name']."\"\n"
 354                               . 'Content-Transfer-Encoding: '.$uploaded['encoding']."\n"
 355                               . 'Content-Disposition: attachment; filename="'.$uploaded['name']."\"\n";
 356                 $body        .= $this->_make_part($file_head, $uploaded['data']);
 357                 $body        .= "\n--".$this->boundary.'--';
 358                 break;
 359
 360             case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE:
 361                 return '<p class="error">'._b_('Fichier trop gros pour être envoyé : ')
 362                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 363
 364             case UPLOAD_ERR_PARTIAL:
 365                 return '<p class="error">'._b_('Erreur lors de l\'upload de ')
 366                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 367
 368             case UPLOAD_ERR_NO_FILE:
 369                 return '<p class="error">'._b_('Le fichier spécifié n\'existe pas : ')
 370                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 371
 372             case UPLOAD_ERR_NO_TMP_DIR:
 373                 return '<p class="error">'._b_('Une erreur est survenue sur le serveur lors de l\'upload de ')
 374                         .$uploaded['name'].'</p>'.$this->action_showThread($group, $artid);
 375
 376             default:
 377                 $this->custom = $body_headers.$this->custom;
 378         }
 379
 380         // finalise and post the message
 381         $msg .= $this->custom.$this->profile['customhdr']."\n".$body;
 382
 383         if ($this->nntp->post($msg)) {
 384             header("Location: ?group=$group".($artid==-1 ? '' : "&first=$artid"));
 385         } else {
 386             return "<p class=\"error\">"._b_('Impossible de poster le message')."</p>".$this->action_showThread($group, $artid);
 387         }
 388     }
 389
 390     /**************************************************************************/
 391     /* Private functions                                                      */
 392     /**************************************************************************/
 393
 394     function _newSpool($group, $disp=0, $since='') {
 395         $this->_require('spool');
 396         if (!$this->spool || $this->spool->group != $group) {
 397             $this->spool = new BananaSpool($group, $disp, $since);
 398         }
 399     }
 400
 401     function _newPost($id)
 402     {
 403         $this->_require('post');
 404         $this->post = new BananaPost($id);
 405     }
 406
 407     function _newGroup()
 408     {
 409         $this->_require('groups');
 410         $this->groups = new BananaGroups(BANANA_GROUP_SUB);
 411         if ($this->groups->type == BANANA_GROUP_SUB) {
 412             $this->newgroups = new BananaGroups(BANANA_GROUP_NEW);
 413         }
 414     }
 415
 416     function _require($file)
 417     {
 418         require_once (dirname(__FILE__).'/'.$file.'.inc.php');
 419     }
 420
 421     function _upload($file)
 422     {
 423         if ($_FILES[$file]['name'] == "") {
 424             return Array( 'error' => -1 );
 425         }
 426
 427         // upload
 428         $_FILES[$file]['tmp_name'];
 429
 430         // test if upload is ok
 431         $file    = $_FILES[$file];
 432         if ($file['size'] == 0 || $file['error'] != 0) {
 433             if ($file['error'] == 0) {
 434                 $file['error'] = -1;
 435             }
 436             return $file;
 437         }
 438
 439         // adding custum data
 440         $mime    = rtrim(shell_exec('file -bi '.$file['tmp_name'])); //Because mime_content_type don't work :(
 441         $encod   = 'base64';
 442         if (preg_match("@([^ ]+/[^ ]+); (.*)@", $mime, $format)) {
 443             $mime  = $format[1];
 444             $encod = $format[2];
 445         }
 446         $data = fread(fopen($file['tmp_name'], 'r'), $file['size']);
 447         if ($encod == 'base64') {
 448             $data = chunk_split(base64_encode($data));
 449         }
 450         $file['name']     = basename($file['name']);
 451         $file['type']     = $mime;
 452         $file['encoding'] = $encod;
 453         $file['data']     = $data;
 454
 455         return $file;
 456     }
 457
 458     function _make_part($headers, $body)
 459     {
 460         return "\n--".$this->boundary."\n".$headers."\n".$body;
 461     }
 462 }
 463
 464 ?>