[banana.git] / banana / banana.inc.php.in

<?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';
    static public $mbox_helper = './mbox-helper';

### 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;
    }

    /** Return the execution backtrace of the current BananaProtocole
     */
    public function backtrace()
    {
        if (Banana::$protocole) {
            return Banana::$protocole->backtrace();
        }
        return null;
    }

    /**************************************************************************/
    /* 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:
?>
Commit	Line	Data
c4f176d8	1	<?php
	2	/********************************************************************************
	3	* banana/banana.inc.php : banana main 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	require_once dirname(__FILE__) . '/text.func.inc.php';
	11
	12	class Banana
	13	{
	14
	15	#######
	16	# Configuration variables
	17	#######
	18
	19	### General ###
	20	static public $profile = Array( 'signature' => '',
	21	'headers' => array('From' => 'Anonymous <anonymouse@example.com>'),
	22	'display' => 0,
	23	'lastnews' => 0,
	24	'locale' => 'fr_FR.UTF-8',
	25	'subscribe' => array(),
	26	'autoup' => 1);
	27	static public $boxpattern;
	28	static public $withtabs = true;
	29	static public $mimeparts = array();
	30
	31	### Spool ###
	32	static public $spool_root = '/var/spool/banana';
	33	static public $spool_max = 3000;
	34	static public $spool_tbefore = 5;
	35	static public $spool_tafter = 5;
	36	static public $spool_tmax = 50;
	37	static public $spool_boxlist = true;
	38
	39	### Message processing ###
	40	static public $msgparse_headers = array('content-disposition', 'content-transfer-encoding',
	41	'content-type', 'content-id', 'date', 'followup-to',
	42	'from', 'message-id', 'newsgroups', 'organization',
	43	'references', 'subject', 'x-face', 'in-reply-to',
	44	'to', 'cc', 'reply-to');
	45
	46	### Message display ###
	47	static public $msgshow_headers = array('from', 'newsgroups', 'followup-to', 'to', 'cc', 'reply-to',
	48	'organization', 'date', 'references', 'in-reply-to');
	49	static public $msgshow_mimeparts = array('multipart/report', 'multipart/mixed',
	50	'text/html', 'text/plain', 'text/enriched', 'text', 'message');
	51	static public $msgshow_xface = true;
	52	static public $msgshow_wrap = 78;
	53	static public $msgshow_externalimages = false;
	54	static public $msgshow_hasextimages = false;
	55	static public $msgshow_withthread = true;
	56
	57	/** Match an url
	58	* Should be included in a regexp delimited using /, !, , or @ (eg: "/$url_regexp/ui")
	59	* If it matches, return 3 main parts :
	60	* \\1 and \\3 are delimiters
	61	* \\2 is the url
	62	*
	63	* eg : preg_match("!$url_regexp!i", "[http://www.polytechnique.org]", $matches);
	64	* $matches[1] = "["
65	* $matches[2] = "http://www.polytechnique.org"
66	* $matches[3] = "]"
67	*/
68	static public $msgshow_url = '(["\[])?((?:[a-z]+:\/\/\|www\.)(?:[\.\,\;\!\:]*[a-z\@0-9~%$£µ&i#\-+=_\/\?]+)+)(["\]])?';
69
70	### Message edition ###
71	static public $msgedit_canattach = true;
72	static public $msgedit_maxfilesize = 100000;
73	/** Global headers to use for messages
74	*/
75	static public $msgedit_headers = array('Mime-Version' => '1.0', 'User-Agent' => 'Banana @VERSION@');
76	/** Mime type order for quoting
77	*/
78	static public $msgedit_mimeparts = array('multipart/report', 'multipart/mixed', 'text/plain', 'text/enriched', 'text/html', 'text', 'message');
79
80	### Protocole ###
81	/** News serveur to use
82	*/
83	static public $nntp_host = 'news://localhost:119/';
84
85	static public $mbox_path = '/var/mail';
b10e2813	86	static public $mbox_helper = './mbox-helper';
c4f176d8	87
	88	### Debug ###
	89	static public $debug_nntp = false;
	90	static public $debug_mbox = false;
	91	static public $debug_smarty = false;
	92
	93
	94	#######
	95	# Constants
	96	#######
	97
	98	// Actions
	99	const ACTION_BOX_NEEDED = 1; // mask
	100	const ACTION_BOX_LIST = 2;
	101	const ACTION_BOX_SUBS = 4;
	102	const ACTION_MSG_LIST = 3;
	103	const ACTION_MSG_READ = 5;
	104	const ACTION_MSG_NEW = 9;
	105	const ACTION_MSG_CANCEL = 17;
	106	const ACTION_MSG_IMAGES = 33;
	107
	108	// Box list view
	109	const BOXES_ALL = 0;
	110	const BOXES_SUB = 1;
	111	const BOXES_NEW = 2;
	112
	113	// Spool view mode
	114	const SPOOL_ALL = 0;
	115	const SPOOL_UNREAD = 1;
	116
	117
	118	#######
	119	# Runtime variables
	120	#######
	121
	122	static public $protocole = null;
	123	static public $spool = null;
	124	static public $message = null;
	125	static public $page = null;
	126
	127	static public $group = null;
	128	static public $artid = null;
	129	static public $action = null;
	130	static public $part = null;
	131	static public $first = null;
	132
	133	/** Class parameters storage
	134	*/
	135	public $params;
	136
	137
	138	#######
	139	# Banana Implementation
	140	#######
	141
	142	/** Build the instance of Banana
	143	* This constructor only call \ref loadParams, connect to the server, and build the Smarty page
	144	* @param protocole Protocole to use
	145	*/
	146	public function __construct($params = null, $protocole = 'NNTP', $pageclass = 'BananaPage')
	147	{
	148	if (is_null($params)) {
	149	$this->params = $_GET;
	150	} else {
151	$this->params = $params;
152	}
153	$this->loadParams();
154
155	// connect to protocole handler
156	$classname = 'Banana' . $protocole;
157	if (!class_exists($classname)) {
158	Banana::load($protocole);
159	}
160	Banana::$protocole = new $classname(Banana::$group);
161
162	// build the page
163	if ($pageclass == 'BananaPage') {
164	Banana::load('page');
165	}
166	Banana::$page = new $pageclass;
167	$types = array('multipart/report' => _b_('Rapport d\'erreur'),
168	'multipart/mixed' => _b_('Composition'),
169	'text/html' => _b_('Texte formaté'),
170	'text/plain' => _b_('Texte brut'),
171	'text/enriched' => _b_('Texte enrichi'),
172	'text' => _b_('Texte'),
173	'message/rfc822' => _b_('Mail'),
174	'message' => _b_('Message'),
175	'source' => _b_('Source'));
176	Banana::$mimeparts = array_merge($types, Banana::$mimeparts);
177	}
178
179	/** Fill state vars (Banana::$group, Banana::$artid, Banana::$action, Banana;:$part, Banana::$first)
180	*/
181	protected function loadParams()
182	{
183	Banana::$group = isset($this->params['group']) ? $this->params['group'] : null;
184	Banana::$artid = isset($this->params['artid']) ? $this->params['artid'] : null;
185	Banana::$first = isset($this->params['first']) ? $this->params['first'] : null;
186	Banana::$part = isset($this->params['part']) ? $this->params['part'] : 'text';
187
188	// Look for the action to execute
189	if (is_null(Banana::$group)) {
190	if (isset($this->params['action']) && $this->params['action'] == 'subscribe') {
191	Banana::$action = Banana::ACTION_BOX_SUBS;
192	} else {
193	Banana::$action = Banana::ACTION_BOX_LIST;
194	}
195	return;
196	}
197	$action = isset($this->params['action']) ? $this->params['action'] : null;
198	if (is_null(Banana::$artid)) {
199	if ($action == 'new') {
200	Banana::$action = Banana::ACTION_MSG_NEW;
201	} else {
202	Banana::$action = Banana::ACTION_MSG_LIST;
203	}
204	return;
205	}
206	switch ($action) {
207	case 'new':
208	Banana::$action = Banana::ACTION_MSG_NEW;
209	return;
210	case 'cancel':
211	Banana::$action = Banana::ACTION_MSG_CANCEL;
212	return;
213	case 'showext':
214	Banana::$action = Banana::ACTION_MSG_IMAGES;
215	return;
216	default:
217	Banana::$action = Banana::ACTION_MSG_READ;
218	}
219	}
220
221	/** Run Banana
222	* This function need user profile to be initialised
223	*/
224	public function run()
225	{
226	// Configure locales
227	setlocale(LC_ALL, Banana::$profile['locale']);
228
229	// Check if the state is valid
230	if (Banana::$protocole->lastErrNo()) {
231	return Banana::$page->kill(_b_('Une erreur a été rencontrée lors de la connexion au serveur') . '<br />'
232	. Banana::$protocole->lastError());
233	}
234	if (!Banana::$protocole->isValid()) {
235	return Banana::$page->kill(_b_('Connexion non-valide'));
236	}
237	if (Banana::$action & Banana::ACTION_BOX_NEEDED) {
238	if(Banana::$boxpattern && !preg_match('/' . Banana::$boxpattern . '/i', $group)) {
239	Banana::$page->setPage('group');
240	return Banana::$page->kill(_b_("Ce newsgroup n'existe pas ou vous n'avez pas l'autorisation d'y accéder"));
241	}
242	}
243
244	// Dispatch to the action handlers
245	switch (Banana::$action) {
246	case Banana::ACTION_BOX_SUBS:
247	$error = $this->action_subscribe();
248	break;
249	case Banana::ACTION_BOX_LIST:
250	$error = $this->action_listBoxes();
251	break;
252	case Banana::ACTION_MSG_LIST:
253	$error = $this->action_showThread(Banana::$group, Banana::$first);
254	break;
255	case Banana::ACTION_MSG_IMAGES:
256	Banana::$msgshow_externalimages = true;
257	case Banana::ACTION_MSG_READ:
258	$error = $this->action_showMessage(Banana::$group, Banana::$artid, Banana::$part);
259	break;
260	case Banana::ACTION_MSG_NEW:
261	$error = $this->action_newMessage(Banana::$group, Banana::$artid);
262	break;
263	case Banana::ACTION_MSG_CANCEL:
264	$error = $this->action_cancelMessage(Banana::$group, Banana::$artid);
265	break;
266	default:
267	$error = _b_("L'action demandée n'est pas supportée par Banana");
268	}
269
270	// Generate the page
271	if (is_string($error)) {
272	return Banana::$page->kill($error);
273	}
274	return Banana::$page->run();
275	}
276
277	/** Return the CSS code to include in the headers
278	*/
279	public function css()
280	{
281	return Banana::$page->css;
282	}
283
6a684b9b	284	/** Return the execution backtrace of the current BananaProtocole
	285	*/
	286	public function backtrace()
	287	{
	288	if (Banana::$protocole) {
	289	return Banana::$protocole->backtrace();
	290	}
	291	return null;
	292	}
	293
c4f176d8	294	/**************************************************************************/
	295	/* actions */
	296	/**************************************************************************/
	297	protected function action_saveSubs($groups)
	298	{
	299	Banana::$profile['subscribe'] = $groups;
	300	return true;
	301	}
	302
	303	protected function action_subscribe()
	304	{
	305	Banana::$page->setPage('subscribe');
	306	if (isset($_POST['validsubs'])) {
	307	$this->action_saveSubs(array_keys($_POST['subscribe']));
	308	Banana::$page->redirect();
	309	}
	310	$groups = Banana::$protocole->getBoxList(Banana::BOXES_ALL);
	311	Banana::$page->assign('groups', $groups);
	312	return true;
	313	}
	314
	315	protected function action_listBoxes()
	316	{
	317	Banana::$page->setPage('forums');
	318	$groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
	319	Banana::$page->assign('groups', $groups);
	320	if (empty(Banana::$profile['subscribe']) \|\| Banana::$profile['lastnews']) {
	321	$newgroups = Banana::$protocole->getBoxList(Banana::BOXES_NEW, Banana::$profile['lastnews'], true);
	322	Banana::$page->assign('newgroups', $newgroups);
	323	}
	324	return true;
	325	}
	326
	327	protected function action_showThread($group, $first)
	328	{
	329	Banana::$page->setPage('thread');
	330	if (!$this->loadSpool($group)) {
	331	return _b_('Impossible charger la liste des messages de ') . $group;
	332	}
	333	if (Banana::$spool_boxlist) {
	334	$groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
	335	Banana::$page->assign('groups', $groups);
	336	}
	337	Banana::$page->assign('msgbypage', Banana::$spool_tmax);
	338	return true;
	339	}
	340
	341	protected function action_showMessage($group, $artid, $partid = 'text')
	342	{
	343	Banana::$page->setPage('message');
	344	$istext = $partid == 'text' \|\| $partid == 'source'
	345	\|\| preg_match('!^[-a-z0-9_]+/[-a-z0-9_]+$!', $partid);
	346	if ($istext) {
	347	$this->loadSpool($group);
	348	}
	349	$msg =& $this->loadMessage($group, $artid);
	350	if (is_null($msg)) {
	351	$this->loadSpool($group);
	352	$this->removeMessage($group, $artid);
	353	return _b_('Le message demandé n\'existe pas. Il est possible qu\'il ait été annulé');
	354	}
	355	if ($partid == 'xface') {
	356	$msg->getXFace();
	357	exit;
358	} elseif (!$istext) {
359	$part = $msg->getPartById($partid);
360	if (!is_null($part)) {
361	$part->send(true);
362	}
363	$part = $msg->getFile($partid);
364	if (!is_null($part)) {
365	$part->send();
366	}
367	exit;
368	} elseif ($partid == 'text') {
369	$partid = null;
370	Banana::$page->assign('body', $msg->getFormattedBody($partid));
371	} elseif ($partid == 'source') {
372	$text = Banana::$protocole->getMessageSource($artid);
373	if (!is_utf8($text)) {
374	$text = utf8_encode($text);
375	}
376	Banana::$page->assign('body', '<pre>' . banana_htmlentities($text) . '</pre>');
377	} else {
378	Banana::$page->assign('body', $msg->getFormattedBody($partid));
379	}
380
381	if (Banana::$profile['autoup']) {
382	Banana::$spool->markAsRead($artid);
383	}
384	if (Banana::$spool_boxlist) {
385	$groups = Banana::$protocole->getBoxList(Banana::BOXES_SUB, Banana::$profile['lastnews'], true);
386	Banana::$page->assign('groups', $groups);
387	}
388	Banana::$page->assign_by_ref('message', $msg);
389	Banana::$page->assign('extimages', Banana::$msgshow_hasextimages);
390	Banana::$page->assign('headers', Banana::$msgshow_headers);
391	Banana::$page->assign('type', $partid);
392	return true;
393	}
394
395	protected function action_newMessage($group, $artid)
396	{
397	Banana::$page->setPage('new');
398	if (!Banana::$protocole->canSend()) {
399	return _b_('Vous n\'avez pas le droit de poster');
400	}
401	$hdrs = Banana::$protocole->requestedHeaders();
402	$headers = array();
403	foreach ($hdrs as $header) {
404	$headers[$header] = array('name' => BananaMessage::translateHeaderName($header));
405	if (isset(Banana::$profile['headers'][$header])) {
406	$headers[$header]['fixed'] = Banana::$profile['headers'][$header];
407	}
408	}
409	if (isset($_POST['sendmessage'])) {
410	$hdr_values = array();
411	foreach ($hdrs as $header) {
412	$hdr_values[$header] = isset($headers[$header]['fixed']) ? $headers[$header]['fixed'] : @$_POST[$header];
413	}
414	if ($artid) {
415	$old =& $this->loadMessage($group, $artid);
416	$hdr_values['References'] = $old->getHeaderValue('references') . $old->getHeaderValue('message-id');
417	}
418	$msg = null;
419	if (empty($hdr_values['Subject'])) {
420	Banana::$page->trig(_b_('Le message doit avoir un sujet'));
421	} elseif (Banana::$msgedit_canattach && isset($_FILES['attachment'])) {
422	$uploaded = $_FILES['attachment'];
423	if (!is_uploaded_file($uploaded['tmp_name'])) {
424	Banana::$page->trig(_b_('Une erreur est survenue lors du téléchargement du fichier'));
425	} else {
426	$msg = BananaMessage::newMessage($hdr_values, $_POST['body'], $uploaded);
427	}
428	} else {
429	$msg = BananaMessage::newMessage($hdr_values, $_POST['body']);
430	}
431	if (!is_null($msg)) {
432	if (Banana::$protocole->send($msg)) {
433	Banana::$page->redirect(array('group' => $group, 'artid' => $artid));
434	}
435	Banana::$page->trig(_b_('Une erreur est survenue lors de l\'envoi du message :') . '<br />'
436	. Banana::$protocole->lastError());
437	}
438	} else {
439	if (!is_null($artid)) {
440	$msg =& $this->loadMessage($group, $artid);
441	$body = $msg->getSender() . _b_(' a écrit :') . "\n" . $msg->quote();
442	$subject = $msg->getHeaderValue('subject');
443	$headers['Subject']['user'] = 'Re: ' . preg_replace("/^re\s:\s/i", '', $subject);
444	$target = $msg->getHeaderValue($hdrs['reply']);
445	if (empty($target)) {
446	$target = $group;
447	}
448	$headers[$hdrs['dest']]['user'] =& $target;
449	} else {
450	$body = '';
451	$headers[$hdrs['dest']]['user'] = $group;
452	}
453	if (Banana::$profile['signature']) {
454	$body .= "\n\n-- \n" . Banana::$profile['signature'];
455	}
456	Banana::$page->assign('body', $body);
457	}
458
459	Banana::$page->assign('maxfilesize', Banana::$msgedit_maxfilesize);
460	Banana::$page->assign('can_attach', Banana::$msgedit_canattach);
461	Banana::$page->assign('headers', $headers);
462	return true;
463	}
464
465	protected function action_cancelMessage($group, $artid)
466	{
467	Banana::$page->setPage('cancel');
468	$msg =& $this->loadMessage($group, $artid);
469	if (!$msg->canCancel()) {
470	return _b_('Vous n\'avez pas les droits suffisants pour supprimer ce message');
471	}
472	if (isset($_POST['cancel'])) {
473	$this->loadSpool($group);
474	$ndx = Banana::$spool->getNdX($id) - 1;
475	if (!Banana::$protocole->cancel($msg)) {
476	return _b_('Une erreur s\'est produite lors de l\'annulation du message :') . '<br />'
477	. Banana::$protocole->lastError();
478	}
479	if ($ndx < 50) {
480	$ndx = 0;
481	}
482	$this->removeMessage($group, $artid);
483	Banana::$page->redirect(Array('group' => $group, 'first' => $ndx));
484	}
485
486	Banana::$page->assign_by_ref('message', $msg);
487	Banana::$page->assign('body', $msg->getFormattedBody());
488	Banana::$page->assign('headers', Banana::$msgshow_headers);
489	return true;
490	}
491
492	/**************************************************************************/
493	/* Spoolgen functions */
494	/**************************************************************************/
495
496	private function checkErrors()
497	{
498	if (Banana::$protocole->lastErrno()) {
499	echo "\nL'erreur suivante s'est produite : "
500	. Banana::$protocole->lastErrno() . " "
501	. Banana::$protocole->lastError() . "\n";
502	return false;
503	}
504	return true;
505	}
506
507	static public function createAllSpool(array $protos)
508	{
509	foreach ($protos as $proto) {
510	$banana = new Banana(array(), $proto);
511
512	if (!$banana->checkErrors()) {
513	continue;
514	}
515	$groups = Banana::$protocole->getBoxList();
516	if (!$banana->checkErrors()) {
517	continue;
518	}
519
520	print " $proto \n";
521	foreach (array_keys($groups) as $g) {
522	print "Generating spool for $g : ";
523	Banana::$group = $g;
524	$spool = $banana->loadSpool($g);
525	if (!$banana->checkErrors()) {
526	break;
527	}
528	print "done.\n";
529	unset($spool);
530	}
531	print "\n";
532	}
533	}
534
535	/**************************************************************************/
536	/* Private functions */
537	/**************************************************************************/
538
539	protected function loadSpool($group)
540	{
541	Banana::load('spool');
542	if (!Banana::$spool \|\| Banana::$spool->group != $group) {
543	$clean = false;
544	if ($group == @$_SESSION['banana_group'] && isset($_SESSION['banana_spool'])) {
545	Banana::$spool = unserialize($_SESSION['banana_spool']);
546	$clean = @(Banana::$profile['lastnews'] != $_SESSION['banana_lastnews']);
547	} else {
548	unset($_SESSION['banana_message']);
549	unset($_SESSION['banana_artid']);
550	unset($_SESSION['banana_showhdr']);
551	}
552	BananaSpool::getSpool($group, Banana::$profile['lastnews'], Banana::$profile['autoup'] \|\| $clean);
553	$_SESSION['banana_group'] = $group;
554	if (!Banana::$profile['display']) {
555	$_SESSION['banana_spool'] = serialize(Banana::$spool);
556	$_SESSION['banana_lastnews'] = Banana::$profile['lastnews'];
557	}
558	Banana::$spool->setMode(Banana::$profile['display'] ? Banana::SPOOL_UNREAD : Banana::SPOOL_ALL);
559	}
560	return true;
561	}
562
563	protected function &loadMessage($group, $artid)
564	{
565	Banana::load('message');
566	if ($group == @$_SESSION['banana_group'] && $artid == @$_SESSION['banana_artid']
567	&& isset($_SESSION['banana_message'])) {
568	$message = unserialize($_SESSION['banana_message']);
569	Banana::$msgshow_headers = $_SESSION['banana_showhdr'];
570	} else {
571	$message = Banana::$protocole->getMessage($artid);
572	$_SESSION['banana_group'] = $group;
573	$_SESSION['banana_artid'] = $artid;
574	$_SESSION['banana_message'] = serialize($message);
575	$_SESSION['banana_showhdr'] = Banana::$msgshow_headers;
576	}
577	Banana::$message =& $message;
578	return $message;
579	}
580
581	protected function removeMessage($group, $artid)
582	{
583	Banana::$spool->delId($artid);
584	if ($group == $_SESSION['banana_group']) {
585	if (!Banana::$profile['display']) {
586	$_SESSION['banana_spool'] = serialize(Banana::$spool);
587	}
588	if ($artid == $_SESSION['banana_artid']) {
589	unset($_SESSION['banana_message']);
590	unset($_SESSION['banana_showhdr']);
591	unset($_SESSION['banana_artid']);
592	}
593	}
594	$this->loadSpool($group);
595	return true;
596	}
597
598	static private function load($file)
599	{
600	$file = strtolower($file) . '.inc.php';
601	if (!@include_once dirname(__FILE__) . "/$file") {
602	require_once $file;
603	}
604	}
605	}
606
607	// vim:set et sw=4 sts=4 ts=4 enc=utf-8:
608	?>