/**
* __construct
*
* Provide a uid, and parse message structure.
*
* @param string $uid The message UID.
*
* @uses rcmail::get_instance()
* @uses rcube_imap::decode_mime_string()
* @uses self::set_safe()
*
* @see self::$app, self::$imap, self::$opt, self::$structure
*/
function __construct($uid)
{
$this->app = rcmail::get_instance();
$this->imap = $this->app->imap;
$this->uid = $uid;
$this->headers = $this->imap->get_headers($uid, NULL, true, true);
$this->subject = rcube_imap::decode_mime_string($this->headers->subject, $this->headers->charset);
list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from));
$this->set_safe(intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]);
$this->opt = array('safe' => $this->is_safe, 'prefer_html' => $this->app->config->get('prefer_html'), 'get_url' => rcmail_url('get', array('_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid)));
if ($this->structure = $this->imap->get_structure($uid, $this->headers->body_structure)) {
$this->get_mime_numbers($this->structure);
$this->parse_structure($this->structure);
} else {
$this->body = $this->imap->get_body($uid);
}
}
/**
* __construct
*
* Provide a uid, and parse message structure.
*
* @param string $uid The message UID.
*
* @uses rcmail::get_instance()
* @uses rcube_imap::decode_mime_string()
* @uses self::set_safe()
*
* @see self::$app, self::$imap, self::$opt, self::$structure
*/
function __construct($uid)
{
$this->app = rcmail::get_instance();
$this->imap = $this->app->imap;
$this->imap->get_all_headers = true;
$this->uid = $uid;
$this->headers = $this->imap->get_message($uid);
if (!$this->headers) {
return;
}
$this->subject = rcube_imap::decode_mime_string($this->headers->subject, $this->headers->charset);
list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from));
$this->set_safe(intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]);
$this->opt = array('safe' => $this->is_safe, 'prefer_html' => $this->app->config->get('prefer_html'), 'get_url' => rcmail_url('get', array('_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid)));
if (!empty($this->headers->structure)) {
$this->get_mime_numbers($this->headers->structure);
$this->parse_structure($this->headers->structure);
} else {
$this->body = $this->imap->get_body($uid);
}
// notify plugins and let them analyze this structured message object
$this->app->plugins->exec_hook('message_load', array('object' => $this));
}
/**
* Decode a mime-encoded string to internal charset
*
* @param string $input Header value
* @param string $fallback Fallback charset if none specified
*
* @return string Decoded string
* @static
*/
public static function decode_mime_string($input, $fallback = null)
{
// Initialize variable
$out = '';
// Iterate instead of recursing, this way if there are too many values we don't have stack overflows
// rfc: all line breaks or other characters not found
// in the Base64 Alphabet must be ignored by decoding software
// delete all blanks between MIME-lines, differently we can
// receive unnecessary blanks and broken utf-8 symbols
$input = preg_replace("/\\?=\\s+=\\?/", '?==?', $input);
// Check if there is stuff to decode
if (strpos($input, '=?') !== false) {
// Loop through the string to decode all occurences of =? ?= into the variable $out
while (($pos = strpos($input, '=?')) !== false) {
// Append everything that is before the text to be decoded
$out .= substr($input, 0, $pos);
// Get the location of the text to decode
$end_cs_pos = strpos($input, "?", $pos + 2);
$end_en_pos = strpos($input, "?", $end_cs_pos + 1);
$end_pos = strpos($input, "?=", $end_en_pos + 1);
// Extract the encoded string
$encstr = substr($input, $pos + 2, $end_pos - $pos - 2);
// Extract the remaining string
$input = substr($input, $end_pos + 2);
// Decode the string fragement
$out .= rcube_imap::_decode_mime_string_part($encstr);
}
// Deocde the rest (if any)
if (strlen($input) != 0) {
$out .= rcube_imap::decode_mime_string($input, $fallback);
}
// return the results
return $out;
}
// no encoding information, use fallback
return rcube_charset_convert($input, !empty($fallback) ? $fallback : rcmail::get_instance()->config->get('default_charset', 'ISO-8859-1'));
}
/**
* Decode a message header value
*
* @param string $input Header value
* @param boolean $remove_quotas Remove quotes if necessary
* @return string Decoded string
*/
function decode_header($input, $remove_quotes = false)
{
$str = rcube_imap::decode_mime_string((string) $input, $this->default_charset);
if ($str[0] == '"' && $remove_quotes) {
$str = str_replace('"', '', $str);
}
return $str;
}
