/**
* Return the rendered information about the Horde_Mime_Part object.
*
* URL parameters used by this function:
* - tgz_contents: (integer) If set, show contents of ZIP file.
*
* @return array See Horde_Mime_Viewer_Driver::render().
*/
protected function _renderInfo()
{
global $injector;
$vars = $injector->getInstance('Horde_Variables');
if (!$this->getConfigParam('show_contents') && !isset($vars->tgz_contents)) {
$status = new IMP_Mime_Status($this->_mimepart, _("This is a compressed file."));
$status->addMimeAction('tgzViewContents', _("Click to display the file contents."));
$status->icon('mime/compressed.png');
return array($this->_mimepart->getMimeId() => array('data' => '', 'status' => $status, 'type' => 'text/html; charset=UTF-8'));
}
$view = new Horde_View(array('templatePath' => IMP_TEMPLATES . '/mime'));
$view->addHelper('Text');
$view->downloadclass = 'tgzdownload';
$view->files = array();
$view->tableclass = 'tgzcontents';
$tgzInfo = $this->_getTgzInfo();
foreach ($tgzInfo as $key => $val) {
if (!strlen($val['data'])) {
continue;
}
$file = new stdClass();
$file->download = '';
$file->name = $val['name'];
$file->size = IMP::sizeFormat($val['size']);
if (!empty($val['size'])) {
$file->download = $this->getConfigParam('imp_contents')->linkView($this->_mimepart, 'download_render', '', array('class' => 'iconImg downloadAtc', 'jstext' => _("Download"), 'params' => array('tgz_attachment' => $key)));
}
$view->files[] = $file;
}
return array($this->_mimepart->getMimeId() => array('data' => $view->render('compressed'), 'type' => 'text/html; charset=UTF-8'));
}
/**
* Return the rendered information about the Horde_Mime_Part object.
*
* URL parameters used by this function:
* - zip_contents: (integer) If set, show contents of ZIP file.
*
* @return array See Horde_Mime_Viewer_Driver::render().
*/
protected function _renderInfo()
{
global $injector;
$vars = $injector->getInstance('Horde_Variables');
if (!$this->getConfigParam('show_contents') && !$vars->zip_contents) {
$status = new IMP_Mime_Status($this->_mimepart, _("This is a compressed file."));
$status->addMimeAction('zipViewContents', _("Click to display the file contents."));
$status->icon('mime/compressed.png');
return array($this->_mimepart->getMimeId() => array('data' => '', 'status' => $status, 'type' => 'text/html; charset=UTF-8'));
}
$view = new Horde_View(array('templatePath' => IMP_TEMPLATES . '/mime'));
$view->addHelper('Text');
$view->downloadclass = 'zipdownload';
$view->files = array();
$view->tableclass = 'zipcontents';
$zlib = Horde_Util::extensionExists('zlib');
foreach ($this->_getZipInfo() as $key => $val) {
$file = new stdClass();
$file->name = $val['name'];
$file->size = IMP::sizeFormat($val['size']);
/* TODO: Add ability to render in-browser for filetypes we can
* handle. */
if (!empty($val['size']) && strstr($val['attr'], 'D') === false && ($zlib && $val['method'] == 0x8 || $val['method'] == 0x0)) {
$file->download = $this->getConfigParam('imp_contents')->linkView($this->_mimepart, 'download_render', '', array('class' => 'iconImg downloadAtc', 'jstext' => _("Download"), 'params' => array('zip_attachment' => $key)));
} else {
$file->download = '';
}
$view->files[] = $file;
}
return array($this->_mimepart->getMimeId() => array('data' => $view->render('compressed'), 'type' => 'text/html; charset=UTF-8'));
}
/**
* Render out the currently set contents.
*
* @param boolean $inline Are we viewing inline?
*
* @return array Two elements: html and status.
*/
protected function _IMPrender($inline)
{
global $injector, $registry;
$data = $this->_mimepart->getContents();
$view = $registry->getView();
$contents = $this->getConfigParam('imp_contents');
$convert_text = $injector->getInstance('Horde_Variables')->convert_text;
/* Don't do IMP DOM processing if converting to text. */
$this->_imptmp = array();
if ($inline && !$convert_text) {
$this->_imptmp += array('cid' => null, 'cid_used' => array(), 'cssblock' => false, 'cssbroken' => false, 'imgblock' => false, 'imgbroken' => false, 'inline' => $inline, 'style' => array());
}
/* Search for inlined data that we can display (multipart/related
* parts) - see RFC 2392. */
if ($related_part = $contents->findMimeType($this->_mimepart->getMimeId(), 'multipart/related')) {
$this->_imptmp['cid'] = $related_part->getMetadata('related_ob');
}
/* Sanitize the HTML. */
$data = $this->_cleanHTML($data, array('noprefetch' => $inline, 'phishing' => $inline));
if (!empty($this->_imptmp['style'])) {
$this->_processDomDocument($data->dom);
}
if ($inline) {
$charset = 'UTF-8';
$data = $data->returnHtml(array('charset' => $charset, 'metacharset' => true));
} else {
$charset = $this->_mimepart->getCharset();
$data = $data->returnHtml();
}
$status = array();
if ($this->_phishWarn) {
$tmp = new IMP_Mime_Status($this->_mimepart, array(_("This message may not be from whom it claims to be."), _("Beware of following any links in it or of providing the sender with any personal information."), _("The links that caused this warning have this background color:") . ' <span style="' . $this->_phishCss . '">' . _("EXAMPLE LINK") . '</span>'));
$tmp->action($tmp::WARNING);
$status[] = $tmp;
}
/* We are done processing if converting to text. */
if ($convert_text) {
$data = $this->_textFilter($data, 'Html2text', array('wrap' => false));
// Filter bad language.
return array('data' => IMP::filterText($data), 'type' => 'text/plain; charset=' . $charset);
}
if ($inline) {
switch ($view) {
case $registry::VIEW_SMARTMOBILE:
if ($this->_imptmp['imgblock']) {
$tmp_txt = _("Show images...");
} elseif ($this->_imptmp['cssblock']) {
$tmp_txt = _("Load message styling...");
} else {
$tmp_txt = null;
}
if (!is_null($tmp_txt)) {
$tmp = new IMP_Mime_Status($this->_mimepart, array('<a href="#unblock-image" data-role="button" data-theme="e">' . $tmp_txt . '</a>'));
$tmp->views = array($view);
$status[] = $tmp;
}
break;
default:
$attr = array('muid' => strval($contents->getIndicesOb()));
if (!$injector->getInstance('IMP_Prefs_Special_ImageReplacement')->canAddToSafeAddrList() || ($from = $contents->getHeader()->getHeader('from')) && $injector->getInstance('IMP_Identity')->hasAddress($from->getAddressList(true))) {
$attr['noUnblockImageAdd'] = 1;
}
$link = $text = null;
if ($this->_imptmp['imgblock']) {
$text = _("Images have been blocked in this message part.");
$link = _("Show Images?");
} elseif ($this->_imptmp['cssblock']) {
$text = _("Message styling has been suppressed in this message part since the style data lives on a remote server.");
$link = _("Load Styling?");
}
if (!is_null($link)) {
$tmp = new IMP_Mime_Status($this->_mimepart, $text);
$tmp->addMimeAction('unblockImageLink', $link, $attr);
$tmp->icon('mime/image.png');
$status[] = $tmp;
}
if ($this->_imptmp['cssbroken']) {
$tmp = new IMP_Mime_Status_RenderIssue($this->_mimepart, array(_("This message contains corrupt styling data so the message contents may not appear correctly below."), $contents->linkViewJS($this->_mimepart, 'view_attach', _("Click to view HTML data in new window; it is possible this will allow you to view the message correctly."))));
$tmp->icon('mime/image.png');
$status[] = $tmp;
}
if ($this->_imptmp['imgbroken']) {
$tmp = new IMP_Mime_Status_RenderIssue($this->_mimepart, array(_("This message contains images that cannot be loaded.")));
$tmp->icon('mime/image.png');
$status[] = $tmp;
}
break;
}
}
/* Add used CID information. */
if ($inline && !empty($this->_imptmp['cid'])) {
$related_part->setMetadata('related_cids_used', $this->_imptmp['cid_used']);
}
return array('data' => $data, 'status' => $status, 'type' => 'text/html; charset=' . $charset);
}
/**
* Generates HTML output for 'multipart/signed' MIME parts.
*
* @return string The HTML output.
*/
protected function _outputPGPSigned()
{
global $injector, $prefs, $session;
$iterator = $this->_mimepart->partIterator();
$iterator->rewind();
$base_id = $iterator->current()->getMimeId();
$iterator->next();
$signed_id = $iterator->current()->getMimeId();
$id_ob = new Horde_Mime_Id($signed_id);
$sig_id = $id_ob->idArithmetic($id_ob::ID_NEXT);
if (!IMP_Pgp::enabled()) {
return array($sig_id => null);
}
$status = new IMP_Mime_Status($this->_mimepart);
$status->addText(_("The data in this part has been digitally signed via PGP."));
$status->icon('mime/encryption.png', 'PGP');
$ret = array($base_id => array('data' => '', 'nosummary' => true, 'status' => array($status), 'type' => 'text/html; charset=' . $this->getConfigParam('charset'), 'wrap' => 'mimePartWrap'), $sig_id => null);
if ($prefs->getValue('pgp_verify') || $injector->getInstance('Horde_Variables')->pgp_verify_msg) {
$imp_contents = $this->getConfigParam('imp_contents');
$sig_part = $imp_contents->getMimePart($sig_id);
$status2 = new IMP_Mime_Status($this->_mimepart);
if (!$sig_part) {
$status2->action(IMP_Mime_Status::ERROR);
$sig_text = _("This digitally signed message is broken.");
$ret[$base_id]['wrap'] = 'mimePartWrapInvalid';
} else {
/* Close session, since this may be a long-running
* operation. */
$session->close();
try {
$imp_pgp = $injector->getInstance('IMP_Pgp');
if ($sig_raw = $sig_part->getMetadata(Horde_Crypt_Pgp_Parse::SIG_RAW)) {
$sig_result = $imp_pgp->verifySignature($sig_raw, $this->_getSender()->bare_address, null, $sig_part->getMetadata(Horde_Crypt_Pgp_Parse::SIG_CHARSET));
} else {
$stream = $imp_contents->isEmbedded($signed_id) ? $this->_mimepart->getMetadata(self::PGP_SIGN_ENC) : $imp_contents->getBodyPart($signed_id, array('mimeheaders' => true, 'stream' => true))->data;
rewind($stream);
stream_filter_register('horde_eol', 'Horde_Stream_Filter_Eol');
$filter = stream_filter_append($stream, 'horde_eol', STREAM_FILTER_READ, array('eol' => Horde_Mime_Part::RFC_EOL));
$sig_result = $imp_pgp->verifySignature(stream_get_contents($stream), $this->_getSender()->bare_address, $sig_part->getContents());
stream_filter_remove($filter);
}
$status2->action(IMP_Mime_Status::SUCCESS);
$sig_text = $sig_result->message;
$ret[$base_id]['wrap'] = 'mimePartWrapValid';
} catch (Horde_Exception $e) {
$status2->action(IMP_Mime_Status::ERROR);
$sig_text = $e->getMessage();
$ret[$base_id]['wrap'] = 'mimePartWrapInvalid';
}
}
$status2->addText($this->_textFilter($sig_text, 'text2html', array('parselevel' => Horde_Text_Filter_Text2html::NOHTML)));
$ret[$base_id]['status'][] = $status2;
} else {
$status->addMimeAction('pgpVerifyMsg', _("Click to verify the message."));
}
return $ret;
}
/**
* Parse signed data.
*
* @param boolean $sig_only Only do signature checking?
*
* @return mixed See self::_getEmbeddedMimeParts().
*/
protected function _parseSignedData($sig_only = false)
{
$iterator = $this->_mimepart->partIterator();
$iterator->rewind();
if (!($curr = $iterator->current())) {
return null;
}
$base_id = $curr->getMimeId();
$iterator->next();
if (!($curr = $iterator->current())) {
// application/pkcs-7-mime might be the base part.
// See RFC 5751 3.4.2
$data_id = $base_id;
} else {
$data_id = $curr->getMimeId();
}
$id_ob = new Horde_Mime_Id($data_id);
$sig_id = $id_ob->idArithmetic($id_ob::ID_NEXT);
/* Initialize inline data. */
$status = new IMP_Mime_Status($this->_mimepart, _("The data in this part has been digitally signed via S/MIME."));
$status->icon('mime/encryption.png', 'S/MIME');
$cache = $this->getConfigParam('imp_contents')->getViewCache();
$cache->smime[$base_id] = array('sig' => $sig_id, 'status' => $status, 'wrap' => 'mimePartWrap');
if (!IMP_Smime::enabled()) {
$status->addText(_("S/MIME support is not enabled so the digital signature is unable to be verified."));
return null;
}
$imp_contents = $this->getConfigParam('imp_contents');
$stream = $imp_contents->isEmbedded($base_id) ? $this->_mimepart->getMetadata('imp-smime-decrypt')->stream : $this->_getPartStream($base_id);
$raw_text = $this->_mimepart->replaceEOL($stream, Horde_Mime_Part::RFC_EOL);
$this->_initSmime();
$sig_result = null;
if ($GLOBALS['prefs']->getValue('smime_verify') || $GLOBALS['injector']->getInstance('Horde_Variables')->smime_verify_msg) {
try {
$sig_result = $this->_impsmime->verifySignature($raw_text);
if ($sig_result->verify) {
$status->action(IMP_Mime_Status::SUCCESS);
} else {
$status->action(IMP_Mime_Status::WARNING);
}
if (!is_array($sig_result->email)) {
$sig_result->email = array($sig_result->email);
}
$email = implode(', ', $sig_result->email);
$cache->smime[$base_id]['wrap'] = 'mimePartWrapValid';
$status->addText($sig_result->msg);
if (!empty($sig_result->cert)) {
$cert = $this->_impsmime->parseCert($sig_result->cert);
if (isset($cert['certificate']['subject']['CommonName']) && strcasecmp($email, $cert['certificate']['subject']['CommonName']) !== 0) {
$email = $cert['certificate']['subject']['CommonName'] . ' (' . trim($email) . ')';
}
}
if (!empty($sig_result->cert) && isset($sig_result->email) && $GLOBALS['registry']->hasMethod('contacts/addField') && $GLOBALS['prefs']->getValue('add_source')) {
$status->addText(sprintf(_("Sender: %s"), $imp_contents->linkViewJS($this->_mimepart, 'view_attach', htmlspecialchars($email), array('jstext' => _("View certificate details"), 'params' => array('mode' => IMP_Contents::RENDER_INLINE, 'view_smime_key' => 1)))));
foreach ($sig_result->email as $single_email) {
try {
$this->_impsmime->getPublicKey($single_email);
} catch (Horde_Exception $e) {
$imple = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Imple')->create('IMP_Ajax_Imple_ImportEncryptKey', array('mime_id' => $base_id, 'muid' => strval($imp_contents->getIndicesOb()), 'type' => 'smime'));
$status->addText(Horde::link('#', '', '', '', '', '', '', array('id' => $imple->getDomId())) . _("Save the certificate to your Address Book.") . '</a>');
break;
}
}
} elseif (strlen($email)) {
$status->addText(sprintf(_("Sender: %s"), htmlspecialchars($email)));
}
} catch (Horde_Exception $e) {
$status->action(IMP_Mime_Status::ERROR);
$cache->smime[$base_id]['wrap'] = 'mimePartWrapInvalid';
$status->addText($e->getMessage());
}
} else {
$status->addMimeAction('smimeVerifyMsg', _("Click to verify the data."));
}
if ($sig_only) {
return;
}
if (!($subpart = $imp_contents->getMimePart($sig_id))) {
try {
$msg_data = $this->_impsmime->extractSignedContents($raw_text);
$subpart = Horde_Mime_Part::parseMessage($msg_data, array('forcemime' => true));
} catch (Horde_Exception $e) {
$status->addText($e->getMessage());
return null;
}
}
return $subpart;
}
