* This contains the functions necessary to detect and decode MIME
* messages.
*
- * $Id$
+ * @version $Id$
* @package squirrelmail
*/
/* removed urldecode because $_GET is auto urldecoded ??? */
displayPageHeader( $color, $mailbox );
$errormessage = _("SquirrelMail could not decode the bodystructure of the message");
- $errormessage .= '<BR>'._("the provided bodystructure by your imap-server").':<BR><BR>';
+ $errormessage .= '<br />'._("the provided bodystructure by your imap-server").':<br /><br />';
$errormessage .= '<pre>' . htmlspecialchars($read) . '</pre>';
plain_error_message( $errormessage, $color );
echo '</body></html>';
*/
function mime_fetch_body($imap_stream, $id, $ent_id=1, $fetch_size=0) {
- global $uid_support;
/* Do a bit of error correction. If we couldn't find the entity id, just guess
* that it is the first one. That is usually the case anyway.
*/
if ($fetch_size!=0) $cmd .= "<0.$fetch_size>";
- $data = sqimap_run_command ($imap_stream, $cmd, true, $response, $message, $uid_support);
+ $data = sqimap_run_command ($imap_stream, $cmd, true, $response, $message, TRUE);
do {
$topline = trim(array_shift($data));
} while($topline && ($topline[0] == '*') && !preg_match('/\* [0-9]+ FETCH.*/i', $topline)) ;
* in order to parse html messages. Let's get them here.
*/
// if ($ret{0} == '<') {
-// $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id.MIME]", true, $response, $message, $uid_support);
+// $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id.MIME]", true, $response, $message, TRUE);
// }
} else if (ereg('"([^"]*)"', $topline, $regs)) {
$ret = $regs[1];
'&message=' . urlencode($message) .
'&topline=' . urlencode($topline);
- echo '<tt><br>' .
+ echo '<tt><br />' .
'<table width="80%"><tr>' .
- '<tr><td colspan=2>' .
+ '<tr><td colspan="2">' .
_("Body retrieval error. The reason for this is most probably that the message is malformed.") .
'</td></tr>' .
'<tr><td><b>' . _("Command:") . "</td><td>$cmd</td></tr>" .
'<tr><td><b>' . _("Response:") . "</td><td>$response</td></tr>" .
'<tr><td><b>' . _("Message:") . "</td><td>$message</td></tr>" .
'<tr><td><b>' . _("FETCH line:") . "</td><td>$topline</td></tr>" .
- "</table><BR></tt></font><hr>";
+ "</table><br /></tt></font><hr />";
- $data = sqimap_run_command ($imap_stream, "FETCH $passed_id BODY[]", true, $response, $message, $uid_support);
+ $data = sqimap_run_command ($imap_stream, "FETCH $passed_id BODY[]", true, $response, $message, TRUE);
array_shift($data);
$wholemessage = implode('', $data);
}
function mime_print_body_lines ($imap_stream, $id, $ent_id=1, $encoding) {
- global $uid_support;
/* Don't kill the connection if the browser is over a dialup
* and it would take over 30 seconds to download it.
- * Dont call set_time_limit in safe mode.
+ * Don't call set_time_limit in safe mode.
*/
if (!ini_get('safe_mode')) {
} else {
$query = "FETCH $id BODY[$ent_id]";
}
- sqimap_run_command($imap_stream,$query,true,$response,$message,$uid_support,'sqimap_base64_decode','php://stdout',true);
+ sqimap_run_command($imap_stream,$query,true,$response,$message,TRUE,'sqimap_base64_decode','php://stdout',true);
} else {
$body = mime_fetch_body ($imap_stream, $id, $ent_id);
echo decodeBody($body, $encoding);
*/
function listEntities ($message) {
if ($message) {
- echo "<tt>" . $message->entity_id . ' : ' . $message->type0 . '/' . $message->type1 . ' parent = '. $message->parent->entity_id. '<br>';
+ echo "<tt>" . $message->entity_id . ' : ' . $message->type0 . '/' . $message->type1 . ' parent = '. $message->parent->entity_id. '<br />';
for ($i = 0; isset($message->entities[$i]); $i++) {
echo "$i : ";
$msg = listEntities($message->entities[$i]);
$body = decodeBody($body, $body_message->header->encoding);
if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
if (mb_detect_encoding($body) != 'ASCII') {
- $body = $languages[$squirrelmail_language]['XTRA_CODE']('decode', $body);
+ $body = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode',$body);
}
}
$hookResults = do_hook("message_body", $body);
if ($show_html_default <> 1) {
$entity_conv = array(' ' => ' ',
'<p>' => "\n",
- '<br>' => "\n",
'<P>' => "\n",
+ '<br>' => "\n",
'<BR>' => "\n",
+ '<br />' => "\n",
+ '<BR />' => "\n",
'>' => '>',
'<' => '<');
$body = strtr($body, $entity_conv);
if (isset($passed_ent_id)) {
$link .= '&passed_ent_id='.$passed_ent_id;
}
- $body .= '<center><small><a href="download.php?absolute_dl=true&' .
+ $body .= '<center><small><a href="download.php?absolute_dl=true&' .
$link . '">' . _("Download this as a file") . '</a>';
if ($view_unsafe_images) {
$text = _("Hide Unsafe Images");
if($text != '') {
$body .= ' | <a href="read_body.php?' . $link . '">' . $text . '</a>';
}
- $body .= '</small></center><br>' . "\n";
+ $body .= '</small></center><br />' . "\n";
}
return $body;
}
$type0 = strtolower($header->type0);
$type1 = strtolower($header->type1);
$name = '';
- $links['download link']['text'] = _("download");
+ $links['download link']['text'] = _("Download");
$links['download link']['href'] = SM_PATH .
"src/download.php?absolute_dl=true&passed_id=$id&mailbox=$urlMailbox&ent_id=$ent";
$ImageURL = '';
if ($where && $what) {
$defaultlink .= '&where='. urlencode($where).'&what='.urlencode($what);
}
+
/* This executes the attachment hook with a specific MIME-type.
* If that doesn't have results, it tries if there's a rule
* for a more generic type.
$links = $hookresults[1];
$defaultlink = $hookresults[6];
- $attachments .= '<TR><TD>' .
- '<A HREF="'.$defaultlink.'">'.decodeHeader($display_filename).'</A> </TD>' .
- '<TD><SMALL><b>' . show_readable_size($header->size) .
- '</b> </small></TD>' .
- "<TD><SMALL>[ $type0/$type1 ] </SMALL></TD>" .
- '<TD><SMALL>';
+ $attachments .= '<tr><td>' .
+ '<a href="'.$defaultlink.'">'.decodeHeader($display_filename).'</a> </td>' .
+ '<td><small><b>' . show_readable_size($header->size) .
+ '</b> </small></td>' .
+ '<td><small>[ '.htmlspecialchars($type0).'/'.htmlspecialchars($type1).' ] </small></td>' .
+ '<td><small>';
$attachments .= '<b>' . $description . '</b>';
- $attachments .= '</SMALL></TD><TD><SMALL> ';
+ $attachments .= '</small></td><td><small> ';
$skipspaces = 1;
foreach ($links as $val) {
$attachments .= '<a href="' . $val['href'] . '">' . $val['text'] . '</a>';
}
unset($links);
- $attachments .= "</TD></TR>\n";
+ $attachments .= "</td></tr>\n";
}
$attachmentadd = do_hook_function('attachments_bottom',$attachments);
if ($attachmentadd != '')
}
function sqimap_base64_decode(&$string) {
- $string = str_replace("\r\n", "\n", $string);
+
+ // Base64 encoded data goes in pairs of 4 bytes. To achieve on the
+ // fly decoding (to reduce memory usage) you have to check if the
+ // data has incomplete pairs
+
+ // Remove the noise in order to check if the 4 bytes pairs are complete
+ $string = str_replace(array("\r\n","\n", "\r", " "),array('','','',''),$string);
+
+ $sStringRem = '';
+ $iMod = strlen($string) % 4;
+ if ($iMod) {
+ $sStringRem = substr($string,-$iMod);
+ // Check if $sStringRem contains padding characters
+ if (substr($sStringRem,-1) != '=') {
+ $string = substr($string,0,-$iMod);
+ } else {
+ $sStringRem = '';
+ }
+ }
$string = base64_decode($string);
+ return $sStringRem;
}
+
/* This function decodes the body depending on the encoding type. */
function decodeBody($body, $encoding) {
global $show_html_default;
* @return string decoded header string
*/
function decodeHeader ($string, $utfencode=true,$htmlsave=true,$decide=false) {
- global $languages, $squirrelmail_language;
+ global $languages, $squirrelmail_language,$default_charset;
if (is_array($string)) {
$string = implode("\n", $string);
}
if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
- $string = $languages[$squirrelmail_language]['XTRA_CODE']('decodeheader', $string);
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decodeheader')) {
+ $string = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decodeheader', $string);
// Do we need to return at this point?
// return $string;
}
$j = $i;
$ret .= $res[1];
$encoding = ucfirst($res[3]);
+
+ /* decide about valid decoding */
+ if ($decide && is_conversion_safe($res[2])) {
+ $utfencode=true;
+ $can_be_encoded=true;
+ } else {
+ $can_be_encoded=false;
+ }
switch ($encoding)
{
case 'B':
$replace = base64_decode($res[4]);
- $ret .= charset_decode($res[2],$replace);
+ if ($can_be_encoded) {
+ /* convert string to different charset,
+ * if functions asks for it (usually in compose)
+ */
+ $ret .= charset_convert($res[2],$replace,$default_charset);
+ } else {
+ // convert string to html codes in order to display it
+ $ret .= charset_decode($res[2],$replace);
+ }
break;
case 'Q':
$replace = str_replace('_', ' ', $res[4]);
$replace = preg_replace('/=([0-9a-f]{2})/ie', 'chr(hexdec("\1"))',
$replace);
- /* decide about valid decoding */
- if ($decide && is_conversion_safe($res[2])) {
- $utfencode=true;
- $can_be_decoded=true;
- } else {
- $can_be_decoded=false;
- }
- /* Only encode into entities by default. Some places
- * don't need the encoding, like the compose form.
- */
if ($utfencode) {
+ if ($can_be_encoded) {
+ /* convert string to different charset,
+ * if functions asks for it (usually in compose)
+ */
+ $replace = charset_convert($res[2], $replace,$default_charset);
+ } else {
+ // convert string to html codes in order to display it
$replace = charset_decode($res[2], $replace);
+ }
} else {
if ($htmlsave) {
$replace = htmlspecialchars($replace);
global $default_charset, $languages, $squirrelmail_language;
if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
- return $languages[$squirrelmail_language]['XTRA_CODE']('encodeheader', $string);
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_encodeheader')) {
+ return call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_encodeheader', $string);
}
- // instead of removing nbsp here, we don't add it in decodeHeader
- // if (strtolower($default_charset) == 'iso-8859-1') {
- // $string = str_replace("\240",' ',$string);
- //}
// Encode only if the string contains 8-bit characters or =?
$j = strlen($string);
* 2. Closing tag, e.g.:
* </a>
* 3. XHTML-style content-less tag, e.g.:
- * <img src="blah"/>
+ * <img src="blah" />
*/
$tagtype = false;
switch (substr($body, $pos, 1)){
case '/':
/**
* This is an xhtml-style tag with a closing / at the
- * end, like so: <img src="blah"/>. Check if it's followed
+ * end, like so: <img src="blah" />. Check if it's followed
* by the closing bracket. If not, then this tag is invalid
*/
if (substr($body, $pos, 2) == "/>"){
case '/':
/**
* This is an xhtml-style tag with a closing / at the
- * end, like so: <img src="blah"/>. Check if it's followed
+ * end, like so: <img src="blah" />. Check if it's followed
* by the closing bracket. If not, then this tag is invalid
*/
if (substr($body, $pos, 2) == "/>"){
/**
* Remove \r \n \t \0 " " "\\"
*/
- $attvalue = str_replace(Array("\r", "\n", "\t", "\0", " ", "\\"),
+ $attvalue = str_replace(Array("\r", "\n", "\t", "\0", " ", "\\"),
Array('', '','','','',''), $attvalue);
/**
* special description.
*
* Since the description is quite lengthy, see it here:
- * http://www.mricon.com/html/phpfilter.html
+ * http://linux.duke.edu/projects/mini/htmlfilter/
*
* @param $body the string with HTML you wish to filter
* @param $tag_list see description above
* @param string $type1 second half of mime type
* @param string $filename filename to tell the browser for downloaded file
* @param boolean $force whether to force the download dialog to pop
- * @param integer $filesize optional, send the Content-Header and length to the browser
+ * @param optional integer $filesize send the Content-Header and length to the browser
* @return void
*/
function SendDownloadHeaders($type0, $type1, $filename, $force, $filesize=0) {
}
if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_downloadfilename')) {
$filename =
- $languages[$squirrelmail_language]['XTRA_CODE']('downloadfilename', $filename, $HTTP_USER_AGENT);
+ call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_downloadfilename', $filename, $HTTP_USER_AGENT);
} else {
- $filename = ereg_replace('[\\/:\*\?"<>\|;]', '_', str_replace(' ', ' ', $filename));
+ $filename = ereg_replace('[\\/:\*\?"<>\|;]', '_', str_replace(' ', ' ', $filename));
+ }
+
+ // A Pox on Microsoft and it's Internet Explorer!
+ //
+ // IE has lots of bugs with file downloads.
+ // It also has problems with SSL. Both of these cause problems
+ // for us in this function.
+ //
+ // See this article on Cache Control headers and SSL
+ // http://support.microsoft.com/default.aspx?scid=kb;en-us;323308
+ //
+ // The best thing you can do for IE is to upgrade to the latest
+ // version
+ //set all the Cache Control Headers for IE
+ if ($isIE) {
+ $filename=urlencode($filename);
+ header ("Pragma: public");
+ header ("Cache-Control: no-store, max-age=0, no-cache, must-revalidate"); # HTTP/1.1
+ header ("Cache-Control: post-check=0, pre-check=0", false);
+ header ("Cache-control: private");
+
+ //set the inline header for IE, we'll add the attachment header later if we need it
+ header ("Content-Disposition: inline; filename=$filename");
}
- // A Pox on Microsoft and it's Office!
if (!$force) {
// Try to show in browser window
- header("Content-Disposition: inline; filename=\"$filename\"");
- header("Content-Type: $type0/$type1; name=\"$filename\"");
+ header ("Content-Disposition: inline; filename=\"$filename\"");
+ header ("Content-Type: $type0/$type1; name=\"$filename\"");
} else {
// Try to pop up the "save as" box
+
// IE makes this hard. It pops up 2 save boxes, or none.
// http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
- // But, accordint to Microsoft, it is "RFC compliant but doesn't
+ // http://support.microsoft.com/default.aspx?scid=kb;EN-US;260519
+ // But, according to Microsoft, it is "RFC compliant but doesn't
// take into account some deviations that allowed within the
// specification." Doesn't that mean RFC non-compliant?
// http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
- //
- // The best thing you can do for IE is to upgrade to the latest
- // version
+
+ // all browsers need the application/octet-stream header for this
+ header ("Content-Type: application/octet-stream; name=\"$filename\"");
+
+ // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
+ // Do not have quotes around filename, but that applied to
+ // "attachment"... does it apply to inline too?
+ header ("Content-Disposition: attachment; filename=\"$filename\"");
+
if ($isIE && !$isIE6) {
- // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
- // Do not have quotes around filename, but that applied to
- // "attachment"... does it apply to inline too?
- //
// This combination seems to work mostly. IE 5.5 SP 1 has
// known issues (see the Microsoft Knowledge Base)
- header("Content-Disposition: inline; filename=$filename");
+
// This works for most types, but doesn't work with Word files
- header("Content-Type: application/download; name=\"$filename\"");
+ header ("Content-Type: application/download; name=\"$filename\"");
// These are spares, just in case. :-)
//header("Content-Type: $type0/$type1; name=\"$filename\"");
//header("Content-Type: application/x-msdownload; name=\"$filename\"");
//header("Content-Type: application/octet-stream; name=\"$filename\"");
} else {
- header("Content-Disposition: attachment; filename=\"$filename\"");
- // application/octet-stream forces download for Netscape
- header("Content-Type: application/octet-stream; name=\"$filename\"");
+ // another application/octet-stream forces download for Netscape
+ header ("Content-Type: application/octet-stream; name=\"$filename\"");
}
}
//send the content-length header if the calling function provides it
if ($filesize > 0) {
- header("Content-Length: $filesize");
+ header("Content-Length: $filesize");
}
- } // end fn SendDownlaodHeaders
+} // end fn SendDownloadHeaders
-?>
+?>
\ No newline at end of file
projects / squirrelmail.git / blobdiff