alecpl
2011-02-15 ab0b51a1fef87bcc643c3aaf2e635c811b28ccd8
program/include/rcube_imap.php
@@ -5,7 +5,7 @@
 | program/include/rcube_imap.php                                        |
 |                                                                       |
 | This file is part of the Roundcube Webmail client                     |
 | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland                 |
 | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | PURPOSE:                                                              |
@@ -148,6 +148,18 @@
        $this->options['port'] = $port;
        if ($this->options['debug']) {
            $this->conn->setDebug(true, array($this, 'debug_handler'));
            $this->options['ident'] = array(
                'name' => 'Roundcube Webmail',
                'version' => RCMAIL_VERSION,
                'php' => PHP_VERSION,
                'os' => PHP_OS,
                'command' => $_SERVER['REQUEST_URI'],
            );
        }
        $attempt = 0;
        do {
            $data = rcmail::get_instance()->plugins->exec_hook('imap_connect',
@@ -223,7 +235,7 @@
     */
    function get_error_code()
    {
        return ($this->conn) ? $this->conn->errornum : 0;
        return $this->conn->errornum;
    }
@@ -234,7 +246,7 @@
     */
    function get_error_str()
    {
        return ($this->conn) ? $this->conn->error : null;
        return $this->conn->error;
    }
@@ -245,9 +257,6 @@
     */
    function get_response_code()
    {
        if (!$this->conn)
            return self::UNKNOWN;
        switch ($this->conn->resultcode) {
            case 'NOPERM':
                return self::NOPERM;
@@ -278,7 +287,7 @@
     */
    function get_response_str()
    {
        return ($this->conn) ? $this->conn->result : null;
        return $this->conn->result;
    }
@@ -470,12 +479,12 @@
    {
        $this->threading = false;
        if ($enable) {
            if ($this->get_capability('THREAD=REFS'))
        if ($enable && ($caps = $this->get_capability('THREAD'))) {
            if (in_array('REFS', $caps))
                $this->threading = 'REFS';
            else if ($this->get_capability('THREAD=REFERENCES'))
            else if (in_array('REFERENCES', $caps))
                $this->threading = 'REFERENCES';
            else if ($this->get_capability('THREAD=ORDEREDSUBJECT'))
            else if (in_array('ORDEREDSUBJECT', $caps))
                $this->threading = 'ORDEREDSUBJECT';
        }
@@ -546,56 +555,56 @@
        $imap_shared    = $config->get('imap_ns_shared');
        $imap_delimiter = $config->get('imap_delimiter');
        if ($imap_delimiter) {
            $this->delimiter = $imap_delimiter;
        }
        if (!$this->conn)
        if (!$this->conn->connected())
            return;
        $ns = $this->conn->getNamespace();
        // NAMESPACE supported
        // Set namespaces (NAMESPACE supported)
        if (is_array($ns)) {
            $this->namespace = $ns;
            if (empty($this->delimiter))
                $this->delimiter = $ns['personal'][0][1];
            if (empty($this->delimiter))
                $this->delimiter = $this->conn->getHierarchyDelimiter();
            if (empty($this->delimiter))
                $this->delimiter = '/';
        }
        // not supported, get namespace from config
        else if ($imap_personal !== null || $imap_shared !== null || $imap_other !== null) {
            if (empty($this->delimiter))
                $this->delimiter = $this->conn->getHierarchyDelimiter();
            if (empty($this->delimiter))
                $this->delimiter = '/';
        else {
            $this->namespace = array(
                'personal' => NULL,
                'other'    => NULL,
                'shared'   => NULL,
            );
        }
            if ($imap_personal !== null) {
                foreach ((array)$imap_personal as $dir) {
                    $this->namespace['personal'][] = array($dir, $this->delimiter);
        if ($imap_delimiter) {
            $this->delimiter = $imap_delimiter;
        }
        if (empty($this->delimiter)) {
            $this->delimiter = $this->namespace['personal'][0][1];
        }
        if (empty($this->delimiter)) {
            $this->delimiter = $this->conn->getHierarchyDelimiter();
        }
        if (empty($this->delimiter)) {
            $this->delimiter = '/';
        }
        // Overwrite namespaces
        if ($imap_personal !== null) {
            $this->namespace['personal'] = NULL;
            foreach ((array)$imap_personal as $dir) {
                $this->namespace['personal'][] = array($dir, $this->delimiter);
            }
        }
        if ($imap_other !== null) {
            $this->namespace['other'] = NULL;
            foreach ((array)$imap_other as $dir) {
                if ($dir) {
                    $this->namespace['other'][] = array($dir, $this->delimiter);
                }
            }
            if ($imap_other !== null) {
                foreach ((array)$imap_other as $dir) {
                    if ($dir) {
                        $this->namespace['other'][] = array($dir, $this->delimiter);
                    }
                }
            }
            if ($imap_shared !== null) {
                foreach ((array)$imap_shared as $dir) {
                    if ($dir) {
                        $this->namespace['shared'][] = array($dir, $this->delimiter);
                    }
        }
        if ($imap_shared !== null) {
            $this->namespace['shared'] = NULL;
            foreach ((array)$imap_shared as $dir) {
                if ($dir) {
                    $this->namespace['shared'][] = array($dir, $this->delimiter);
                }
            }
        }
@@ -2053,7 +2062,7 @@
                return false;
        }
        $struct = &$this->_structure_part($structure);
        $struct = &$this->_structure_part($structure, 0, '', $headers);
        $struct->headers = get_object_vars($headers);
        // don't trust given content-type
@@ -2185,6 +2194,11 @@
                $struct->charset = $struct->ctype_parameters['charset'];
        }
        // #1487700: workaround for lack of charset in malformed structure
        if (empty($struct->charset) && !empty($mime_headers) && $mime_headers->charset) {
            $struct->charset = $mime_headers->charset;
        }
        // read content encoding
        if (!empty($part[5]) && $part[5]!='NIL') {
            $struct->encoding = strtolower($part[5]);
@@ -2233,7 +2247,11 @@
                $mime_headers = $this->conn->fetchPartHeader(
                    $this->mailbox, $this->_msg_id, false, $struct->mime_id);
            }
            $struct->headers = $this->_parse_headers($mime_headers) + $struct->headers;
            if (is_string($mime_headers))
                $struct->headers = $this->_parse_headers($mime_headers) + $struct->headers;
            else if (is_object($mime_headers))
                $struct->headers = get_object_vars($mime_headers) + $struct->headers;
            // get real content-type of message/rfc822
            if ($struct->mimetype == 'message/rfc822') {
@@ -3318,32 +3336,26 @@
            // If folder contains namespace prefix, don't modify it
            if (is_array($this->namespace['shared'])) {
                foreach ($this->namespace['shared'] as $ns) {
                    foreach ((array)$ns as $root) {
                        if ($root[0] && strpos($mbox_name, $root[0]) === 0) {
                            return $mbox_name;
                        }
                    if ($ns[0] && strpos($mbox_name, $ns[0]) === 0) {
                        return $mbox_name;
                    }
                }
            }
            if (is_array($this->namespace['other'])) {
                foreach ($this->namespace['other'] as $ns) {
                    foreach ((array)$ns as $root) {
                        if ($root[0] && strpos($mbox_name, $root[0]) === 0) {
                            return $mbox_name;
                        }
                    if ($ns[0] && strpos($mbox_name, $ns[0]) === 0) {
                        return $mbox_name;
                    }
                }
            }
            if (is_array($this->namespace['personal'])) {
                foreach ($this->namespace['personal'] as $ns) {
                    foreach ((array)$ns as $root) {
                        if ($root[0] && strpos($mbox_name, $root[0]) === 0) {
                            return $mbox_name;
                        }
                    if ($ns[0] && strpos($mbox_name, $ns[0]) === 0) {
                        return $mbox_name;
                    }
                }
                // Add prefix if first personal namespace is non-empty
                if ($this->namespace['personal'][0][0]) {
                if ($mbox_name != 'INBOX' && $this->namespace['personal'][0][0]) {
                    return $this->namespace['personal'][0][0].$mbox_name;
                }
            }
@@ -4697,10 +4709,13 @@
    private function _parse_address_list($str, $decode=true)
    {
        // remove any newlines and carriage returns before
        $a = rcube_explode_quoted_string('[,;]', preg_replace( "/[\r\n]/", " ", $str));
        $str = preg_replace('/\r?\n(\s|\t)?/', ' ', $str);
        // extract list items, remove comments
        $str = self::explode_header_string(',;', $str, true);
        $result = array();
        foreach ($a as $key => $val) {
        foreach ($str as $key => $val) {
            $name    = '';
            $address = '';
            $val     = trim($val);
@@ -4740,6 +4755,91 @@
        return $result;
    }
    /**
     * Explodes header (e.g. address-list) string into array of strings
     * using specified separator characters with proper handling
     * of quoted-strings and comments (RFC2822)
     *
     * @param string $separator       String containing separator characters
     * @param string $str             Header string
     * @param bool   $remove_comments Enable to remove comments
     *
     * @return array Header items
     */
    static function explode_header_string($separator, $str, $remove_comments=false)
    {
        $length  = strlen($str);
        $result  = array();
        $quoted  = false;
        $comment = 0;
        $out     = '';
        for ($i=0; $i<$length; $i++) {
            // we're inside a quoted string
            if ($quoted) {
                if ($str[$i] == '"') {
                    $quoted = false;
                }
                else if ($str[$i] == '\\') {
                    if ($comment <= 0) {
                        $out .= '\\';
                    }
                    $i++;
                }
            }
            // we're inside a comment string
            else if ($comment > 0) {
                    if ($str[$i] == ')') {
                        $comment--;
                    }
                    else if ($str[$i] == '(') {
                        $comment++;
                    }
                    else if ($str[$i] == '\\') {
                        $i++;
                    }
                    continue;
            }
            // separator, add to result array
            else if (strpos($separator, $str[$i]) !== false) {
                    if ($out) {
                        $result[] = $out;
                    }
                    $out = '';
                    continue;
            }
            // start of quoted string
            else if ($str[$i] == '"') {
                    $quoted = true;
            }
            // start of comment
            else if ($remove_comments && $str[$i] == '(') {
                    $comment++;
            }
            if ($comment <= 0) {
                $out .= $str[$i];
            }
        }
        if ($out && $comment <= 0) {
            $result[] = $out;
        }
        return $result;
    }
    /**
     * This is our own debug handler for the IMAP connection
     * @access public
     */
    public function debug_handler(&$imap, $message)
    {
        write_log('imap', $message);
    }
}  // end class rcube_imap