+<?php
+/********************************************************************************
+* banana/banana.inc.php : banana main file
+* --------------------------
+*
+* This file is part of the banana distribution
+* Copyright: See COPYING files that comes with this distribution
+********************************************************************************/
+
+require_once dirname(__FILE__) . '/text.func.inc.php';
+
+class Banana
+{
+
+#######
+# Configuration variables
+#######
+
+### General ###
+ static public $profile = Array( 'signature' => '',
+ 'headers' => array('From' => 'Anonymous <anonymouse@example.com>'),
+ 'display' => 0,
+ 'lastnews' => 0,
+ 'locale' => 'fr_FR.UTF-8',
+ 'subscribe' => array(),
+ 'autoup' => 1);
+ static public $boxpattern;
+ static public $withtabs = true;
+ static public $mimeparts = array();
+
+### Spool ###
+ static public $spool_root = '/var/spool/banana';
+ static public $spool_max = 3000;
+ static public $spool_tbefore = 5;
+ static public $spool_tafter = 5;
+ static public $spool_tmax = 50;
+ static public $spool_boxlist = true;
+
+### Message processing ###
+ static public $msgparse_headers = array('content-disposition', 'content-transfer-encoding',
+ 'content-type', 'content-id', 'date', 'followup-to',
+ 'from', 'message-id', 'newsgroups', 'organization',
+ 'references', 'subject', 'x-face', 'in-reply-to',
+ 'to', 'cc', 'reply-to');
+
+### Message display ###
+ static public $msgshow_headers = array('from', 'newsgroups', 'followup-to', 'to', 'cc', 'reply-to',
+ 'organization', 'date', 'references', 'in-reply-to');
+ static public $msgshow_mimeparts = array('multipart/report', 'multipart/mixed',
+ 'text/html', 'text/plain', 'text/enriched', 'text', 'message');
+ static public $msgshow_xface = true;
+ static public $msgshow_wrap = 78;
+ static public $msgshow_externalimages = false;
+ static public $msgshow_hasextimages = false;
+ static public $msgshow_withthread = true;
+
+ /** Match an url
+ * Should be included in a regexp delimited using /, !, , or @ (eg: "/$url_regexp/ui")
+ * If it matches, return 3 main parts :
+ * \\1 and \\3 are delimiters
+ * \\2 is the url
+ *
+ * eg : preg_match("!$url_regexp!i", "[http://www.polytechnique.org]", $matches);
+ * $matches[1] = "["
+ * $matches[2] = "http://www.polytechnique.org"
+ * $matches[3] = "]"
+ */
+ static public $msgshow_url = '(["\[])?((?:[a-z]+:\/\/|www\.)(?:[\.\,\;\!\:]*[a-z\@0-9~%$£µ&i#\-+=_\/\?]+)+)(["\]])?';
+
+### Message edition ###
+ static public $msgedit_canattach = true;
+ static public $msgedit_maxfilesize = 100000;
+ /** Global headers to use for messages
+ */
+ static public $msgedit_headers = array('Mime-Version' => '1.0', 'User-Agent' => 'Banana @VERSION@');
+ /** Mime type order for quoting
+ */
+ static public $msgedit_mimeparts = array('multipart/report', 'multipart/mixed', 'text/plain', 'text/enriched', 'text/html', 'text', 'message');
+
+### Protocole ###
+ /** News serveur to use
+ */
+ static public $nntp_host = 'news://localhost:119/';
+
+ static public $mbox_path = '/var/mail';
+
+### Debug ###
+ static public $debug_nntp = false;
+ static public $debug_mbox = false;
+ static public $debug_smarty = false;
+
+
+#######
+# Constants
+#######
+
+ // Actions
+ const ACTION_BOX_NEEDED = 1; // mask
+ const ACTION_BOX_LIST = 2;
+ const ACTION_BOX_SUBS = 4;
+ const ACTION_MSG_LIST = 3;
+ const ACTION_MSG_READ = 5;
+ const ACTION_MSG_NEW = 9;
+ const ACTION_MSG_CANCEL = 17;
+ const ACTION_MSG_IMAGES = 33;
+
+ // Box list view
+ const BOXES_ALL = 0;
+ const BOXES_SUB = 1;
+ const BOXES_NEW = 2;
+
+ // Spool view mode
+ const SPOOL_ALL = 0;
+ const SPOOL_UNREAD = 1;
+
+
+#######
+# Runtime variables
+#######
+
+ static public $protocole = null;
+ static public $spool = null;
+ static public $message = null;
+ static public $page = null;
+
+ static public $group = null;
+ static public $artid = null;
+ static public $action = null;
+ static public $part = null;
+ static public $first = null;
+
+ /** Class parameters storage
+ */
+ public $params;
+
+
+#######
+# Banana Implementation
+#######
+
+ /** Build the instance of Banana
+ * This constructor only call \ref loadParams, connect to the server, and build the Smarty page
+ * @param protocole Protocole to use
+ */
+ public function __construct($params = null, $protocole = 'NNTP', $pageclass = 'BananaPage')
+ {
+ if (is_null($params)) {
+ $this->params = $_GET;
+ } else {
+ $this->params = $params;
+ }
+ $this->loadParams();
+
+ // connect to protocole handler
+ $classname = 'Banana' . $protocole;
+ if (!class_exists($classname)) {
+ Banana::load($protocole);
+ }
+ Banana::$protocole = new $classname(Banana::$group);
+
+ // build the page
+ if ($pageclass == 'BananaPage') {
+ Banana::load('page');
+ }
+ Banana::$page = new $pageclass;
+ $types = array('multipart/report' => _b_('Rapport d\'erreur'),
+ 'multipart/mixed' => _b_('Composition'),
+ 'text/html' => _b_('Texte formaté'),
+ 'text/plain' => _b_('Texte brut'),
+ 'text/enriched' => _b_('Texte enrichi'),
+ 'text' => _b_('Texte'),
+ 'message/rfc822' => _b_('Mail'),
+ 'message' => _b_('Message'),
+ 'source' => _b_('Source'));
+ Banana::$mimeparts = array_merge($types, Banana::$mimeparts);
+ }
+
+ /** Fill state vars (Banana::$group, Banana::$artid, Banana::$action, Banana;:$part, Banana::$first)
+ */
+ protected function loadParams()
+ {
+ Banana::$group = isset($this->params['group']) ? $this->params['group'] : null;
+ Banana::$artid = isset($this->params['artid']) ? $this->params['artid'] : null;
+ Banana::$first = isset($this->params['first']) ? $this->params['first'] : null;
+ Banana::$part = isset($this->params['part']) ? $this->params['part'] : 'text';
+
+ // Look for the action to execute
+ if (is_null(Banana::$group)) {
+ if (isset($this->params['action']) && $this->params['action'] == 'subscribe') {
+ Banana::$action = Banana::ACTION_BOX_SUBS;
+ } else {
+ Banana::$action = Banana::ACTION_BOX_LIST;
+ }
+ return;
+ }
+ $action = isset($this->params['action']) ? $this->params['action'] : null;
+ if (is_null(Banana::$artid)) {
+ if ($action == 'new') {
+ Banana::$action = Banana::ACTION_MSG_NEW;
+ } else {
+ Banana::$action = Banana::ACTION_MSG_LIST;
+ }
+ return;
+ }
+ switch ($action) {
+ case 'new':
+ Banana::$action = Banana::ACTION_MSG_NEW;
+ return;
+ case 'cancel':
+ Banana::$action = Banana::ACTION_MSG_CANCEL;
+ return;
+ case 'showext':
+ Banana::$action = Banana::ACTION_MSG_IMAGES;
+ return;
+ default:
+ Banana::$action = Banana::ACTION_MSG_READ;
+ }
+ }
+
+ /** Run Banana
+ * This function need user profile to be initialised
+ */
+ public function run()
+ {
+ // Configure locales
+ setlocale(LC_ALL, Banana::$profile['locale']);
+
+ // Check if the state is valid
+ if (Banana::$protocole->lastErrNo()) {
+ return Banana::$page->kill(_b_('Une erreur a été rencontrée lors de la connexion au serveur') . '<br />'
+ . Banana::$protocole->lastError());
+ }
+ if (!Banana::$protocole->isValid()) {
+ return Banana::$page->kill(_b_('Connexion non-valide'));
+ }
+ if (Banana::$action & Banana::ACTION_BOX_NEEDED) {
+ if(Banana::$boxpattern && !preg_match('/' . Banana::$boxpattern . '/i', $group)) {
+ Banana::$page->setPage('group');
+ return Banana::$page->kill(_b_("Ce newsgroup n'existe pas ou vous n'avez pas l'autorisation d'y accéder"));
+ }
+ }
+
+ // Dispatch to the action handlers
+ switch (Banana::$action) {
+ case Banana::ACTION_BOX_SUBS:
+ $error = $this->action_subscribe();
+ break;
+ case Banana::ACTION_BOX_LIST:
+ $error = $this->action_listBoxes();
+ break;
+ case Banana::ACTION_MSG_LIST:
+ $error = $this->action_showThread(Banana::$group, Banana::$first);
+ break;
+ case Banana::ACTION_MSG_IMAGES:
+ Banana::$msgshow_externalimages = true;
+ case Banana::ACTION_MSG_READ:
+ $error = $this->action_showMessage(Banana::$group, Banana::$artid, Banana::$part);
+ break;
+ case Banana::ACTION_MSG_NEW:
+ $error = $this->action_newMessage(Banana::$group, Banana::$artid);
+ break;
+ case Banana::ACTION_MSG_CANCEL:
+ $error = $this->action_cancelMessage(Banana::$group, Banana::$artid);
+ break;
+ default:
+ $error = _b_("L'action demandée n'est pas supportée par Banana");
+ }
+
+ // Generate the page
+ if (is_string($error)) {
+ return Banana::$page->kill($error);
+ }
+ return Banana::$page->run();
+ }
+
+ /** Return the CSS code to include in the headers
+ */
+ public function css()
+ {
+ return Banana::$page->css;
+ }
+
+ /**************************************************************************/
+ /* actions */
+ /**************************************************************************/
+ protected function action_saveSubs($groups)
+ {
+ Banana::$profile['subscribe'] = $groups;
+ return true;
+ }
+
+ protected function action_subscribe()
+ {
+ Banana::$page->setPage('subscribe');
+ if (isset($_POST['validsubs'])) {
+ $this->action_saveSubs(array_keys($_POST['subscribe']));
+ Banana::$page->redirect();
+ }
+ $groups = Banana::$protocole->getBoxList(Banana::BOXES_ALL);
+ Banana::$page->assign('groups', $groups);
+ return true;
+ }
+
+ protected function action_listBoxes()
+ {
+ Banana::$page->setPage('forums');
+ $groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
+ Banana::$page->assign('groups', $groups);
+ if (empty(Banana::$profile['subscribe']) || Banana::$profile['lastnews']) {
+ $newgroups = Banana::$protocole->getBoxList(Banana::BOXES_NEW, Banana::$profile['lastnews'], true);
+ Banana::$page->assign('newgroups', $newgroups);
+ }
+ return true;
+ }
+
+ protected function action_showThread($group, $first)
+ {
+ Banana::$page->setPage('thread');
+ if (!$this->loadSpool($group)) {
+ return _b_('Impossible charger la liste des messages de ') . $group;
+ }
+ if (Banana::$spool_boxlist) {
+ $groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
+ Banana::$page->assign('groups', $groups);
+ }
+ Banana::$page->assign('msgbypage', Banana::$spool_tmax);
+ return true;
+ }
+
+ protected function action_showMessage($group, $artid, $partid = 'text')
+ {
+ Banana::$page->setPage('message');
+ $istext = $partid == 'text' || $partid == 'source'
+ || preg_match('!^[-a-z0-9_]+/[-a-z0-9_]+$!', $partid);
+ if ($istext) {
+ $this->loadSpool($group);
+ }
+ $msg =& $this->loadMessage($group, $artid);
+ if (is_null($msg)) {
+ $this->loadSpool($group);
+ $this->removeMessage($group, $artid);
+ return _b_('Le message demandé n\'existe pas. Il est possible qu\'il ait été annulé');
+ }
+ if ($partid == 'xface') {
+ $msg->getXFace();
+ exit;
+ } elseif (!$istext) {
+ $part = $msg->getPartById($partid);
+ if (!is_null($part)) {
+ $part->send(true);
+ }
+ $part = $msg->getFile($partid);
+ if (!is_null($part)) {
+ $part->send();
+ }
+ exit;
+ } elseif ($partid == 'text') {
+ $partid = null;
+ Banana::$page->assign('body', $msg->getFormattedBody($partid));
+ } elseif ($partid == 'source') {
+ $text = Banana::$protocole->getMessageSource($artid);
+ if (!is_utf8($text)) {
+ $text = utf8_encode($text);
+ }
+ Banana::$page->assign('body', '<pre>' . banana_htmlentities($text) . '</pre>');
+ } else {
+ Banana::$page->assign('body', $msg->getFormattedBody($partid));
+ }
+
+ if (Banana::$profile['autoup']) {
+ Banana::$spool->markAsRead($artid);
+ }
+ if (Banana::$spool_boxlist) {
+ $groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
+ Banana::$page->assign('groups', $groups);
+ }
+ Banana::$page->assign_by_ref('message', $msg);
+ Banana::$page->assign('extimages', Banana::$msgshow_hasextimages);
+ Banana::$page->assign('headers', Banana::$msgshow_headers);
+ Banana::$page->assign('type', $partid);
+ return true;
+ }
+
+ protected function action_newMessage($group, $artid)
+ {
+ Banana::$page->setPage('new');
+ if (!Banana::$protocole->canSend()) {
+ return _b_('Vous n\'avez pas le droit de poster');
+ }
+ $hdrs = Banana::$protocole->requestedHeaders();
+ $headers = array();
+ foreach ($hdrs as $header) {
+ $headers[$header] = array('name' => BananaMessage::translateHeaderName($header));
+ if (isset(Banana::$profile['headers'][$header])) {
+ $headers[$header]['fixed'] = Banana::$profile['headers'][$header];
+ }
+ }
+ if (isset($_POST['sendmessage'])) {
+ $hdr_values = array();
+ foreach ($hdrs as $header) {
+ $hdr_values[$header] = isset($headers[$header]['fixed']) ? $headers[$header]['fixed'] : @$_POST[$header];
+ }
+ if ($artid) {
+ $old =& $this->loadMessage($group, $artid);
+ $hdr_values['References'] = $old->getHeaderValue('references') . $old->getHeaderValue('message-id');
+ }
+ $msg = null;
+ if (empty($hdr_values['Subject'])) {
+ Banana::$page->trig(_b_('Le message doit avoir un sujet'));
+ } elseif (Banana::$msgedit_canattach && isset($_FILES['attachment'])) {
+ $uploaded = $_FILES['attachment'];
+ if (!is_uploaded_file($uploaded['tmp_name'])) {
+ Banana::$page->trig(_b_('Une erreur est survenue lors du téléchargement du fichier'));
+ } else {
+ $msg = BananaMessage::newMessage($hdr_values, $_POST['body'], $uploaded);
+ }
+ } else {
+ $msg = BananaMessage::newMessage($hdr_values, $_POST['body']);
+ }
+ if (!is_null($msg)) {
+ if (Banana::$protocole->send($msg)) {
+ Banana::$page->redirect(array('group' => $group, 'artid' => $artid));
+ }
+ Banana::$page->trig(_b_('Une erreur est survenue lors de l\'envoi du message :') . '<br />'
+ . Banana::$protocole->lastError());
+ }
+ } else {
+ if (!is_null($artid)) {
+ $msg =& $this->loadMessage($group, $artid);
+ $body = $msg->getSender() . _b_(' a écrit :') . "\n" . $msg->quote();
+ $subject = $msg->getHeaderValue('subject');
+ $headers['Subject']['user'] = 'Re: ' . preg_replace("/^re\s*:\s*/i", '', $subject);
+ $target = $msg->getHeaderValue($hdrs['reply']);
+ if (empty($target)) {
+ $target = $group;
+ }
+ $headers[$hdrs['dest']]['user'] =& $target;
+ } else {
+ $body = '';
+ $headers[$hdrs['dest']]['user'] = $group;
+ }
+ if (Banana::$profile['signature']) {
+ $body .= "\n\n-- \n" . Banana::$profile['signature'];
+ }
+ Banana::$page->assign('body', $body);
+ }
+
+ Banana::$page->assign('maxfilesize', Banana::$msgedit_maxfilesize);
+ Banana::$page->assign('can_attach', Banana::$msgedit_canattach);
+ Banana::$page->assign('headers', $headers);
+ return true;
+ }
+
+ protected function action_cancelMessage($group, $artid)
+ {
+ Banana::$page->setPage('cancel');
+ $msg =& $this->loadMessage($group, $artid);
+ if (!$msg->canCancel()) {
+ return _b_('Vous n\'avez pas les droits suffisants pour supprimer ce message');
+ }
+ if (isset($_POST['cancel'])) {
+ $this->loadSpool($group);
+ $ndx = Banana::$spool->getNdX($id) - 1;
+ if (!Banana::$protocole->cancel($msg)) {
+ return _b_('Une erreur s\'est produite lors de l\'annulation du message :') . '<br />'
+ . Banana::$protocole->lastError();
+ }
+ if ($ndx < 50) {
+ $ndx = 0;
+ }
+ $this->removeMessage($group, $artid);
+ Banana::$page->redirect(Array('group' => $group, 'first' => $ndx));
+ }
+
+ Banana::$page->assign_by_ref('message', $msg);
+ Banana::$page->assign('body', $msg->getFormattedBody());
+ Banana::$page->assign('headers', Banana::$msgshow_headers);
+ return true;
+ }
+
+ /**************************************************************************/
+ /* Spoolgen functions */
+ /**************************************************************************/
+
+ private function checkErrors()
+ {
+ if (Banana::$protocole->lastErrno()) {
+ echo "\nL'erreur suivante s'est produite : "
+ . Banana::$protocole->lastErrno() . " "
+ . Banana::$protocole->lastError() . "\n";
+ return false;
+ }
+ return true;
+ }
+
+ static public function createAllSpool(array $protos)
+ {
+ foreach ($protos as $proto) {
+ $banana = new Banana(array(), $proto);
+
+ if (!$banana->checkErrors()) {
+ continue;
+ }
+ $groups = Banana::$protocole->getBoxList();
+ if (!$banana->checkErrors()) {
+ continue;
+ }
+
+ print "** $proto **\n";
+ foreach (array_keys($groups) as $g) {
+ print "Generating spool for $g : ";
+ Banana::$group = $g;
+ $spool = $banana->loadSpool($g);
+ if (!$banana->checkErrors()) {
+ break;
+ }
+ print "done.\n";
+ unset($spool);
+ }
+ print "\n";
+ }
+ }
+
+ /**************************************************************************/
+ /* Private functions */
+ /**************************************************************************/
+
+ protected function loadSpool($group)
+ {
+ Banana::load('spool');
+ if (!Banana::$spool || Banana::$spool->group != $group) {
+ $clean = false;
+ if ($group == @$_SESSION['banana_group'] && isset($_SESSION['banana_spool'])) {
+ Banana::$spool = unserialize($_SESSION['banana_spool']);
+ $clean = @(Banana::$profile['lastnews'] != $_SESSION['banana_lastnews']);
+ } else {
+ unset($_SESSION['banana_message']);
+ unset($_SESSION['banana_artid']);
+ unset($_SESSION['banana_showhdr']);
+ }
+ BananaSpool::getSpool($group, Banana::$profile['lastnews'], Banana::$profile['autoup'] || $clean);
+ $_SESSION['banana_group'] = $group;
+ if (!Banana::$profile['display']) {
+ $_SESSION['banana_spool'] = serialize(Banana::$spool);
+ $_SESSION['banana_lastnews'] = Banana::$profile['lastnews'];
+ }
+ Banana::$spool->setMode(Banana::$profile['display'] ? Banana::SPOOL_UNREAD : Banana::SPOOL_ALL);
+ }
+ return true;
+ }
+
+ protected function &loadMessage($group, $artid)
+ {
+ Banana::load('message');
+ if ($group == @$_SESSION['banana_group'] && $artid == @$_SESSION['banana_artid']
+ && isset($_SESSION['banana_message'])) {
+ $message = unserialize($_SESSION['banana_message']);
+ Banana::$msgshow_headers = $_SESSION['banana_showhdr'];
+ } else {
+ $message = Banana::$protocole->getMessage($artid);
+ $_SESSION['banana_group'] = $group;
+ $_SESSION['banana_artid'] = $artid;
+ $_SESSION['banana_message'] = serialize($message);
+ $_SESSION['banana_showhdr'] = Banana::$msgshow_headers;
+ }
+ Banana::$message =& $message;
+ return $message;
+ }
+
+ protected function removeMessage($group, $artid)
+ {
+ Banana::$spool->delId($artid);
+ if ($group == $_SESSION['banana_group']) {
+ if (!Banana::$profile['display']) {
+ $_SESSION['banana_spool'] = serialize(Banana::$spool);
+ }
+ if ($artid == $_SESSION['banana_artid']) {
+ unset($_SESSION['banana_message']);
+ unset($_SESSION['banana_showhdr']);
+ unset($_SESSION['banana_artid']);
+ }
+ }
+ $this->loadSpool($group);
+ return true;
+ }
+
+ static private function load($file)
+ {
+ $file = strtolower($file) . '.inc.php';
+ if (!@include_once dirname(__FILE__) . "/$file") {
+ require_once $file;
+ }
+ }
+}
+
+// vim:set et sw=4 sts=4 ts=4 enc=utf-8:
+?>