/usr/share/php/Horde/ActiveSync/Imap/Message.php is in php-horde-activesync 2.19.2-2.
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The actual contents of the file can be viewed below.
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/**
* Horde_ActiveSync_Imap_Message::
*
* @license http://www.horde.org/licenses/gpl GPLv2
* NOTE: According to sec. 8 of the GENERAL PUBLIC LICENSE (GPL),
* Version 2, the distribution of the Horde_ActiveSync module in or
* to the United States of America is excluded from the scope of this
* license.
* @copyright 2012-2014 Horde LLC (http://www.horde.org)
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @package ActiveSync
*/
/**
* This class provides all functionality related to parsing and working with
* a single IMAP email message when using Horde_Imap_Client.
*
* Some Mime parsing code taken from Imp_Contents.
*
* @license http://www.horde.org/licenses/gpl GPLv2
* NOTE: According to sec. 8 of the GENERAL PUBLIC LICENSE (GPL),
* Version 2, the distribution of the Horde_ActiveSync module in or
* to the United States of America is excluded from the scope of this
* license.
* @copyright 2012-2014 Horde LLC (http://www.horde.org)
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @package ActiveSync
*/
class Horde_ActiveSync_Imap_Message
{
/**
* Message data.
*
* @var Horde_Imap_Client_Fetch_Data
*/
protected $_data;
/**
* Message structure.
*
* @var Horde_ActiveSync_Mime
*/
protected $_message;
/**
* The imap client.
*
* @var Horde_Imap_Client_Base
*/
protected $_imap;
/**
* The envelope data.
*
* @var Horde_Imap_Client_Data_Envelope
*/
protected $_envelope;
/**
* Cache if the last body part was encoded or not.
*
* @var boolean
*/
protected $_lastBodyPartDecode = null;
/**
* Flag to indicate if this message contains attachments.
*
* @var boolean
*/
protected $_hasAttachments = null;
/**
* Constructor
*
* @param Horde_Imap_Client_Base $imap The imap client object.
* @param Horde_Imap_Client_Mailbox $mbox The mailbox object.
* @param Horde_Imap_Client_Data_Fetch $data The data returned from a FETCH
* must contain at least uid,
* structure and flags.
*/
public function __construct(
Horde_Imap_Client_Base $imap,
Horde_Imap_Client_Mailbox $mbox,
Horde_Imap_Client_Data_Fetch $data)
{
$this->_imap = $imap;
$this->_message = new Horde_ActiveSync_Mime($data->getStructure());
$this->_uid = $data->getUid();
$this->_flags = $data->getFlags();
$this->_mbox = $mbox;
$this->_data = $data;
$this->_envelope = $data->getEnvelope();
}
/**
* Return this message's base part headers.
*
* @return Horde_Mime_Header The message headers.
*/
public function getHeaders()
{
return $this->_data->getHeaderText(0, Horde_Imap_Client_Data_Fetch::HEADER_PARSE);
}
/**
* Return nicely formatted text representing the headers to display with
* in-line forwarded messages.
*
* @return string
*/
public function getForwardHeaders()
{
$tmp = array();
$h = $this->getHeaders();
if (($ob = $h->getValue('date'))) {
$tmp[Horde_ActiveSync_Translation::t('Date')] = $ob;
}
if (($ob = strval($h->getOb('from')))) {
$tmp[Horde_ActiveSync_Translation::t('From')] = $ob;
}
if (($ob = strval($h->getOb('reply-to')))) {
$tmp[Horde_ActiveSync_Translation::t('Reply-To')] = $ob;
}
if (($ob = $h->getValue('subject'))) {
$tmp[Horde_ActiveSync_Translation::t('Subject')] = $ob;
}
if (($ob = strval($h->getOb('to')))) {
$tmp[Horde_ActiveSync_Translation::t('To')] = $ob;
}
if (($ob = strval($h->getOb('cc')))) {
$tmp[Horde_ActiveSync_Translation::t('Cc')] = $ob;
}
$max = max(array_map(array('Horde_String', 'length'), array_keys($tmp))) + 2;
$text = '';
foreach ($tmp as $key => $val) {
$text .= Horde_String::pad($key . ': ', $max, ' ', STR_PAD_LEFT) . $val . "\n";
}
return $text;
}
/**
* Return the full message text.
*
* @param boolean $stream Return data as a stream?
*
* @return mixed A string or stream resource.
* @throws Horde_ActiveSync_Exception
*/
public function getFullMsg($stream = false)
{
// First see if we already have it.
if (!$full = $this->_data->getFullMsg()) {
$query = new Horde_Imap_Client_Fetch_Query();
$query->fullText(array('peek' => true));
try {
$fetch_ret = $this->_imap->fetch(
$this->_mbox,
$query,
array('ids' => new Horde_Imap_Client_Ids(array($this->_uid)))
);
} catch (Horde_Imap_Exception $e) {
throw new Horde_ActiveSync_Exception($e);
}
$data = $fetch_ret[$this->_uid];
$full = $data->getFullMsg($stream);
}
return $full;
}
/**
* Return the message's base Mime part.
*
* @return Horde_Mime_Part
*/
public function getStructure()
{
return $this->_message->base;
}
/**
* Returns the main text body of the message suitable for sending over
* EAS response.
*
* @param array $options An options array containgin:
* - bodyprefs: (array) Bodypref settings
* DEFAULT: none (No bodyprefs used).
* - mimesupport: (integer) Indicates if MIME is supported or not.
* Possible values: 0 - Not supported 1 - Only S/MIME or
* 2 - All MIME.
* DEFAULT: 0 (No MIME support)
* - protocolversion: (float) The EAS protocol we are supporting.
* DEFAULT 2.5
*
* @return array An array of one or both of 'plain' and 'html' content.
*
* @throws Horde_ActiveSync_Exception, Horde_Exception_NotFound
*/
public function getMessageBodyData(array $options = array())
{
$version = empty($options['protocolversion']) ?
Horde_ActiveSync::VERSION_TWOFIVE :
$options['protocolversion'];
// Look for the parts we need. We try to detect and fetch only the parts
// we need, while ensuring we have something to return. So, e.g., if we
// don't have BODYPREF_TYPE_HTML, we only request plain text, but if we
// can't find plain text but we have a html body, fetch that anyway.
$text_id = $this->_message->findBody('plain');
$html_id = $this->_message->findBody('html');
// Deduce which part(s) we need to request.
$want_html_text = $version >= Horde_ActiveSync::VERSION_TWELVE &&
(!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_HTML]) ||
!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_MIME]));
$want_plain_text = $version == Horde_ActiveSync::VERSION_TWOFIVE ||
empty($options['bodyprefs']) ||
!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]) ||
!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_RTF]) ||
!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_MIME]) ||
($want_html_text && empty($html_id));
$want_html_as_plain = false;
if (!empty($text_id) && $want_plain_text) {
$text_body_part = $this->_message->getPart($text_id);
$charset = $text_body_part->getCharset();
} elseif ($want_plain_text && !empty($html_id) &&
empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_MIME])) {
$want_html_text = true;
$want_html_as_plain = true;
}
if (!empty($html_id) && $want_html_text) {
$html_body_part = $this->_message->getPart($html_id);
$html_charset = $html_body_part->getCharset();
}
// Sanity check the truncation stuff
if (empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]) &&
!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_HTML]) &&
$want_plain_text && $want_html_text) {
// We only have HTML truncation data, requested HTML body but only
// have plaintext.
$options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN] = $options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_HTML];
}
$query = new Horde_Imap_Client_Fetch_Query();
$query_opts = array(
'decode' => true,
'peek' => true
);
// Get body information
if ($version >= Horde_ActiveSync::VERSION_TWELVE) {
if (!empty($html_id)) {
$query->bodyPartSize($html_id);
$query->bodyPart($html_id, $query_opts);
}
if (!empty($text_id)) {
$query->bodyPart($text_id, $query_opts);
$query->bodyPartSize($text_id);
}
} else {
// EAS 2.5 Plaintext body
$query->bodyPart($text_id, $query_opts);
$query->bodyPartSize($text_id);
}
try {
$fetch_ret = $this->_imap->fetch(
$this->_mbox,
$query,
array('ids' => new Horde_Imap_Client_Ids(array($this->_uid)))
);
} catch (Horde_Imap_Client_Exception $e) {
throw new Horde_ActiveSync_Exception($e);
}
if (!$data = $fetch_ret->first()) {
throw new Horde_Exception_NotFound(
sprintf('Could not load message %s from server.', $this->_uid));
}
$return = array();
if (!empty($text_id) && $want_plain_text) {
$text = $data->getBodyPart($text_id);
if (!$data->getBodyPartDecode($text_id)) {
$text_body_part->setContents($text);
$text = $text_body_part->getContents();
}
$text_size = !is_null($data->getBodyPartSize($text_id))
? $data->getBodyPartSize($text_id)
: Horde_String::length($text);
if (!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]['truncationsize'])) {
// EAS >= 12.0 truncation
$text = Horde_String::substr($text, 0, $options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]['truncationsize'], $charset);
}
$truncated = $text_size > Horde_String::length($text);
if ($version >= Horde_ActiveSync::VERSION_TWELVE &&
$truncated && !empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]['allornone'])) {
$text = '';
}
$return ['plain'] = array(
'charset' => $charset,
'body' => $text,
'truncated' => $truncated,
'size' => $text_size);
}
if (!empty($html_id) && $want_html_text) {
$html = $data->getBodyPart($html_id);
if (!$data->getBodyPartDecode($html_id)) {
$html_body_part->setContents($html);
$html = $html_body_part->getContents();
}
// Size of the original HTML part.
$html_size = !is_null($data->getBodyPartSize($html_id))
? $data->getBodyPartSize($html_id)
: Horde_String::length($html);
if (!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_HTML]['truncationsize'])) {
$html = Horde_String::substr(
$html,
0,
$options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_HTML]['truncationsize'],
$html_charset);
} elseif ($want_html_as_plain) {
$html = Horde_Text_Filter::filter(
$html, 'Html2text', array('charset' => $html_charset));
// Get the new size, since it probably changed.
$html_size = Horde_String::length($html);
if (!empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]['truncationsize'])) {
// EAS >= 12.0 truncation
$html = Horde_String::substr(
$html,
0,
$options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_PLAIN]['truncationsize'],
$html_charset);
}
}
// Was the part truncated?
$truncated = $html_size > Horde_String::length($html);
if ($want_html_as_plain) {
$return['plain'] = array(
'charset' => $html_charset,
'body' => $html,
'truncated' => $truncated,
'size' => $html_size
);
}
if ($version >= Horde_ActiveSync::VERSION_TWELVE &&
!($truncated && !empty($options['bodyprefs'][Horde_ActiveSync::BODYPREF_TYPE_HTML]['allornone']))) {
$return['html'] = array(
'charset' => $html_charset,
'body' => $html,
'estimated_size' => $html_size,
'truncated' => $truncated);
}
}
return $return;
}
/**
* Return an array of Horde_ActiveSync_Message_Attachment objects for
* the current message.
*
* @param float $version The EAS protocol version this is for.
*
* @return array An array of Horde_ActiveSync_Message_Attachment objects.
*/
public function getAttachments($version)
{
$ret = array();
$map = $this->_message->contentTypeMap();
foreach ($map as $id => $type) {
if ($this->isAttachment($id, $type)) {
if ($type != 'application/ms-tnef' || (!$mime_part = $this->_decodeTnefData($id))) {
$mime_part = $this->getMimePart($id, array('nocontents' => true));
}
$ret[] = $this->_buildEasAttachmentFromMime($id, $mime_part, $version);
}
}
return $ret;
}
/**
* Build an appropriate attachment object from the given mime part.
*
* @param integer $id The mime id for the part
* @param Horde_Mime_Part $mime_part The mime part.
* @param float $version The EAS version.
*
* @return Horde_ActiveSync_Message_AirSyncBaseAttachment |
* Horde_ActiveSync_Message_Attachment
*/
protected function _buildEasAttachmentFromMime($id, Horde_Mime_Part $mime_part, $version)
{
if ($version > Horde_ActiveSync::VERSION_TWOFIVE) {
$atc = Horde_ActiveSync::messageFactory('AirSyncBaseAttachment');
$atc->contentid = $mime_part->getContentId();
$atc->isinline = $mime_part->getDisposition() == 'inline';
} else {
$atc = Horde_ActiveSync::messageFactory('Attachment');
$atc->attoid = $mime_part->getContentId();
}
$atc->attsize = intval($mime_part->getBytes(true));
$atc->attname = $this->_mbox . ':' . $this->_uid . ':' . $id;
$atc->displayname = Horde_String::convertCharset(
$this->getPartName($mime_part, true),
$this->_message->getHeaderCharset(),
'UTF-8',
true);
$atc->attmethod = in_array($mime_part->getType(), array('message/rfc822', 'message/disposition-notification'))
? Horde_ActiveSync_Message_AirSyncBaseAttachment::ATT_TYPE_EMBEDDED
: Horde_ActiveSync_Message_AirSyncBaseAttachment::ATT_TYPE_NORMAL;
return $atc;
}
/**
* Convert a TNEF attachment into a multipart/mixed part.
*
* @param integer|Horde_Mime_part $data Either a mime part id or a
* Horde_Mime_Part object containing
* the TNEF attachment.
*
* @return Horde_Mime_Part The multipart/mixed MIME part containing any
* attachment data we can decode.
*/
protected function _decodeTnefData($data)
{
$wrapper = new Horde_Mime_Part();
$wrapper->setType('multipart/mixed');
if (!($data instanceof Horde_Mime_Part)) {
$mime_part = $this->getMimePart($data);
} else {
$mime_part = $data;
}
$tnef_parser = Horde_Compress::factory('Tnef');
try {
$tnef_data = $tnef_parser->decompress($mime_part->getContents());
} catch (Horde_Compress_Exception $e) {
return false;
}
if (!count($tnef_data)) {
return false;
}
reset($tnef_data);
while (list(,$data) = each($tnef_data)) {
$tmp_part = new Horde_Mime_Part();
$tmp_part->setName($data['name']);
$tmp_part->setDescription($data['name']);
$tmp_part->setContents($data['stream']);
$type = $data['type'] . '/' . $data['subtype'];
if (in_array($type, array('application/octet-stream', 'application/base64'))) {
$type = Horde_Mime_Magic::filenameToMIME($data['name']);
}
$tmp_part->setType($type);
$wrapper->addPart($tmp_part);
}
return $wrapper;
}
/**
* Return an array of mime parts for each message attachment.
*
* @return array An array of Horde_Mime_Part objects.
*/
public function getAttachmentsMimeParts()
{
$mime_parts = array();
$map = $this->_message->contentTypeMap();
foreach ($map as $id => $type) {
if ($this->isAttachment($id, $type)) {
$mpart = $this->getMimePart($id);
// Work around PHP bug 65776
if ($mpart->getPrimaryType() == 'text') {
$mpart->setContents(
$mpart->replaceEOL(
$mpart->getContents(array('stream' => true)), Horde_Mime_Part::RFC_EOL, true)
);
}
if ($mpart->getType() == 'text/calendar') {
$mpart->setDisposition('inline');
}
if ($mpart->getType() != 'application/ms-tnef' ||
($mpart->getType() == 'application/ms-tnef' && !$part = $this->_decodeTnefData($mpart))) {
$part = $mpart;
}
$mime_parts[] = $part;
}
}
return $mime_parts;
}
/**
* Fetch a part of a MIME message.
*
* @param integer $id The MIME index of the part requested.
* @param array $options Additional options:
* - length: (integer) If set, only download this many bytes of the
* bodypart from the server.
* DEFAULT: All data is retrieved.
* - nocontents: (boolean) If true, don't add the contents to the part
* DEFAULT: Contents are added to the part
*
* @return Horde_Mime_Part The raw MIME part asked for (reference).
*/
public function getMimePart($id, array $options = array())
{
$part = $this->_message->getPart($id);
if ($part &&
(strcasecmp($part->getCharset(), 'ISO-8859-1') === 0)) {
$part->setCharset('windows-1252');
}
if (!empty($id) &&
!is_null($part) &&
substr($id, -2) != '.0' &&
empty($options['nocontents']) &&
!$part->getContents(array('stream' => true))) {
$body = $this->getBodyPart(
$id,
array(
'decode' => true,
'length' => empty($options['length']) ? null : $options['length'],
'stream' => true)
);
$part->setContents($body, array('encoding' => $this->_lastBodyPartDecode, 'usestream' => true));
}
return $part;
}
/**
* Return the descriptive part label, making sure it is not empty.
*
* @param Horde_Mime_Part $part The MIME Part object.
* @param boolean $use_descrip Use description? If false, uses name.
*
* @return string The part label (non-empty).
*/
public function getPartName(Horde_Mime_Part $part, $use_descrip = false)
{
$name = $use_descrip
? $part->getDescription(true)
: $part->getName(true);
if ($name) {
return $name;
}
switch ($ptype = $part->getPrimaryType()) {
case 'multipart':
if (($part->getSubType() == 'related') &&
($view_id = $part->getMetaData('viewable_part')) &&
($viewable = $this->getMimePart($view_id, array('nocontents' => true)))) {
return $this->getPartName($viewable, $use_descrip);
}
/* Fall-through. */
case 'application':
case 'model':
$ptype = $part->getSubType();
break;
}
switch ($ptype) {
case 'audio':
return Horde_ActiveSync_Translation::t('Audio part');
case 'image':
return Horde_ActiveSync_Translation::t('Image part');
case 'message':
case Horde_Mime_Part::UNKNOWN:
return Horde_ActiveSync_Translation::t('Message part');
case 'multipart':
return Horde_ActiveSync_Translation::t('Multipart part');
case 'text':
return Horde_ActiveSync_Translation::t('Text part');
case 'video':
return Horde_ActiveSync_Translation::t('Video part');
default:
// Attempt to translate this type, if possible. Odds are that
// it won't appear in the dictionary though.
return sprintf(Horde_ActiveSync_Translation::t('%s part'), _(Horde_String::ucfirst($ptype)));
}
}
/**
* Gets the raw text for one section of the message.
*
* @param integer $id The ID of the MIME part.
* @param array $options Additional options:
* - decode: (boolean) Attempt to decode the bodypart on the remote
* server. If successful, sets self::$_lastBodyPartDecode to
* the content-type of the decoded data.
* DEFAULT: No
* - length: (integer) If set, only download this many bytes of the
* bodypart from the server.
* DEFAULT: All data is retrieved.
* - mimeheaders: (boolean) Include the MIME headers also?
* DEFAULT: No
* - stream: (boolean) If true, return a stream.
* DEFAULT: No
*
* @return mixed The text of the part or a stream resource if 'stream'
* is true.
*/
public function getBodyPart($id, $options)
{
$options = array_merge(
array(
'decode' => false,
'mimeheaders' => false,
'stream' => false),
$options);
$this->_lastBodyPartDecode = null;
$query = new Horde_Imap_Client_Fetch_Query();
if (!isset($options['length']) || !empty($options['length'])) {
$bodypart_params = array(
'decode' => true,
'peek' => true
);
if (isset($options['length'])) {
$bodypart_params['start'] = 0;
$bodypart_params['length'] = $options['length'];
}
$query->bodyPart($id, $bodypart_params);
}
if (!empty($options['mimeheaders'])) {
$query->mimeHeader($id, array(
'peek' => true
));
}
$fetch_res = $this->_imap->fetch(
$this->_mbox,
$query,
array('ids' => new Horde_Imap_Client_Ids(array($this->_uid)))
);
if (empty($options['mimeheaders'])) {
$this->_lastBodyPartDecode = $fetch_res[$this->_uid]->getBodyPartDecode($id);
return $fetch_res[$this->_uid]->getBodyPart($id, $options['stream']);
} elseif (empty($options['stream'])) {
return $fetch_res[$this->_uid]->getMimeHeader($id) . $fetch_res[$this->_uid]->getBodyPart($id);
} else {
$swrapper = new Horde_Support_CombineSream(
array(
$fetch_res[$this->_uid]->getMimeHeader($id, Horde_Imap_Client_Data_Fetch::HEADER_STREAM),
$fetch_res[$this->_uid]->getBodyPart($id, true))
);
return $swrapper->fopen();
}
}
/**
* Return the To addresses from this message.
*
* @return array An array containing arrays of 'to' and 'displayto'
* addresses.
*/
public function getToAddresses()
{
$to = $this->_envelope->to;
$dtos = $tos = array();
foreach ($to->raw_addresses as $e) {
$tos[] = $e->bare_address;
$dtos[] = $e->label;
}
return array('to' => $tos, 'displayto' => $dtos);
}
/**
* Return the CC addresses for this message.
*
* @return string The Cc address string.
*/
public function getCc()
{
$cc = new Horde_Mail_Rfc822_List($this->_envelope->cc->addresses);
return $cc->writeAddress();
}
/**
* Return the ReplyTo Address
*
* @return string
*/
public function getReplyTo()
{
$r = $this->_envelope->reply_to->addresses;
$a = new Horde_Mail_Rfc822_Address(current($r));
return $a->writeAddress(false);
}
/**
* Return the message's From: address.
*
* @return string The From address of this message.
*/
public function getFromAddress()
{
$from = $this->_envelope->from->addresses;
$a = new Horde_Mail_Rfc822_Address(current($from));
return $a->writeAddress(false);
}
/**
* Return the message subject.
*
* @return string The subject.
*/
public function getSubject()
{
return $this->_envelope->subject;
}
/**
* Return the message date.
*
* @return Horde_Date The messages's envelope date.
*/
public function getDate()
{
return new Horde_Date((string)$this->_envelope->date);
}
/**
* Get a message flag
*
* @param string $flag The flag to search for.
*
* @return boolean
*/
public function getFlag($flag)
{
return (array_search($flag, $this->_flags) !== false)
? 1
: 0;
}
/**
* Return all message flags.
*
* @return array An array of message flags.
* @since 2.17.0
*/
public function getFlags()
{
return $this->_flags;
}
/**
* Return this message's content map
*
* @return array The content map, with mime ids as keys and content type
* as values.
*/
public function contentTypeMap()
{
return $this->_message->contentTypeMap();
}
/**
* Determines if a MIME type is an attachment.
* For our purposes, an attachment is any MIME part that can be
* downloaded by itself (i.e. all the data needed to view the part is
* contained within the download data).
*
* @param string $id The MIME Id for the part we are checking.
* @param string $mime_type The MIME type.
*
* @return boolean True if an attachment.
* @deprecated Will be removed in 3.0 (Only used in self::hasAttachments call).
*/
public function isAttachment($id, $mime_type)
{
return $this->_message->isAttachment($id, $mime_type);
}
/**
* Return the MIME part of the iCalendar attachment, if available.
*
* @return mixed The mime part, if present, false otherwise.
*/
public function hasiCalendar()
{
return $this->_message->hasiCalendar();
}
/**
* Return the hasAttachments flag
*
* @return boolean
*/
public function hasAttachments()
{
return $this->_message->hasAttachments();
}
/**
* Return the S/MIME status of this message (RFC2633)
*
* @param Horde_Mime_Part $message A mime part to check. If omitted, use
* $this->_message.
*
* @return boolean True if message is S/MIME signed or encrypted,
* false otherwise.
*/
public function isSigned(Horde_Mime_Part $message = null)
{
if (!empty($message)) {
$message = new Horde_ActiveSync_Mime($message);
return $message->isSigned();
}
return $this->_message->isSigned();
}
}
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