/**
* mime.php
*
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This contains the functions necessary to detect and decode MIME
* messages.
*
* $Id$
+ * @package squirrelmail
*/
-require_once('../functions/imap.php');
-require_once('../functions/attachment_common.php');
+/** The typical includes... */
+require_once(SM_PATH . 'functions/imap.php');
+require_once(SM_PATH . 'functions/attachment_common.php');
-/* --------------------------------------------------------------------------------- */
-/* MIME DECODING */
-/* --------------------------------------------------------------------------------- */
+/* -------------------------------------------------------------------------- */
+/* MIME DECODING */
+/* -------------------------------------------------------------------------- */
-/* This function gets the structure of a message and stores it in the "message" class.
+/**
+ * Get the MIME structure
+ *
+ * This function gets the structure of a message and stores it in the "message" class.
* It will return this object for use with all relevant header information and
* fully parsed into the standard "message" object format.
*/
-
function mime_structure ($bodystructure, $flags=array()) {
- // isolate the body structure and remove beginning and end parenthesis
+ /* Isolate the body structure and remove beginning and end parenthesis. */
$read = trim(substr ($bodystructure, strpos(strtolower($bodystructure), 'bodystructure') + 13));
- $msg = &new message();
$read = trim(substr ($read, 0, -1));
- $res = $msg->parseStructure($read);
- $msg = $res[0];
- $msg->setEnt('0');
+ $i = 0;
+ $msg = Message::parseStructure($read,$i);
+ if (!is_object($msg)) {
+ include_once(SM_PATH . 'functions/display_messages.php');
+ global $color, $mailbox;
+ /* 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>';
+ $errormessage .= '<pre>' . htmlspecialchars($read) . '</pre>';
+ plain_error_message( $errormessage, $color );
+ echo '</body></html>';
+ exit;
+ }
if (count($flags)) {
- foreach ($flags as $flag) {
- $char = strtoupper($flag{1});
- switch ($char) {
- case 'S':
- if (strtolower($flag) == '\\seen') {
- $msg->is_seen = true;
- }
- break;
- case 'A':
- if (strtolower($flag) == '\\answered') {
- $msg->is_answered = true;
- }
- break;
- case 'D':
- if (strtolower($flag) == '\\deleted') {
- $msg->is_deleted = true;
- }
- break;
- case 'F':
- if (strtolower($flag) == '\\flagged') {
- $msg->is_flagged = true;
- }
- break;
- case 'M':
- if (strtolower($flag) == '$mdnsent') {
- $msg->is_mdnsent = true;
- }
- break;
- default:
- break;
- }
- }
+ foreach ($flags as $flag) {
+ $char = strtoupper($flag{1});
+ switch ($char) {
+ case 'S':
+ if (strtolower($flag) == '\\seen') {
+ $msg->is_seen = true;
+ }
+ break;
+ case 'A':
+ if (strtolower($flag) == '\\answered') {
+ $msg->is_answered = true;
+ }
+ break;
+ case 'D':
+ if (strtolower($flag) == '\\deleted') {
+ $msg->is_deleted = true;
+ }
+ break;
+ case 'F':
+ if (strtolower($flag) == '\\flagged') {
+ $msg->is_flagged = true;
+ }
+ break;
+ case 'M':
+ if (strtolower($flag) == '$mdnsent') {
+ $msg->is_mdnsent = true;
+ }
+ break;
+ default:
+ break;
+ }
+ }
}
-// listEntities($msg);
- return( $msg );
+ // listEntities($msg);
+ return $msg;
}
-/* this starts the parsing of a particular structure. It is called recursively,
+
+
+/* This starts the parsing of a particular structure. It is called recursively,
* so it can be passed different structures. It returns an object of type
* $message.
* First, it checks to see if it is a multipart message. If it is, then it
* to mime_get_elements()
*/
-function mime_fetch_body($imap_stream, $id, $ent_id) {
- global $uid_support;
- /*
- * do a bit of error correction. If we couldn't find the entity id, just guess
+function mime_fetch_body($imap_stream, $id, $ent_id=1, $fetch_size=0) {
+ global $uid_support;
+ /* Do a bit of error correction. If we couldn't find the entity id, just guess
* that it is the first one. That is usually the case anyway.
*/
+
if (!$ent_id) {
- $ent_id = 1;
+ $cmd = "FETCH $id BODY[]";
+ } else {
+ $cmd = "FETCH $id BODY[$ent_id]";
}
- $cmd = "FETCH $id BODY[$ent_id]";
-
+
+ if ($fetch_size!=0) $cmd .= "<0.$fetch_size>";
+
$data = sqimap_run_command ($imap_stream, $cmd, true, $response, $message, $uid_support);
do {
- $topline = trim(array_shift( $data ));
- } while( $topline && $topline[0] == '*' && !preg_match( '/\* [0-9]+ FETCH.*/i', $topline )) ;
+ $topline = trim(array_shift($data));
+ } while($topline && ($topline[0] == '*') && !preg_match('/\* [0-9]+ FETCH.*/i', $topline)) ;
$wholemessage = implode('', $data);
if (ereg('\\{([^\\}]*)\\}', $topline, $regs)) {
-
- $ret = substr( $wholemessage, 0, $regs[1] );
- /*
- There is some information in the content info header that could be important
- 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);
- }
+ $ret = substr($wholemessage, 0, $regs[1]);
+ /* There is some information in the content info header that could be important
+ * in order to parse html messages. Let's get them here.
+ */
+// if ($ret{0} == '<') {
+// $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id.MIME]", true, $response, $message, $uid_support);
+// }
} else if (ereg('"([^"]*)"', $topline, $regs)) {
$ret = $regs[1];
} else {
global $where, $what, $mailbox, $passed_id, $startMessage;
- $par = 'mailbox=' . urlencode($mailbox) . "&passed_id=$passed_id";
+ $par = 'mailbox=' . urlencode($mailbox) . '&passed_id=' . $passed_id;
if (isset($where) && isset($what)) {
- $par .= '&where='. urlencode($where) . "&what=" . urlencode($what);
+ $par .= '&where=' . urlencode($where) . '&what=' . urlencode($what);
} else {
- $par .= "&startMessage=$startMessage&show_more=0";
+ $par .= '&startMessage=' . $startMessage . '&show_more=0';
}
$par .= '&response=' . urlencode($response) .
- '&message=' . urlencode($message).
- '&topline=' . urlencode($topline);
+ '&message=' . urlencode($message) .
+ '&topline=' . urlencode($topline);
echo '<tt><br>' .
'<table width="80%"><tr>' .
'<tr><td colspan=2>' .
- _("Body retrieval error. The reason for this is most probably that the message is malformed. Please help us making future versions better by submitting this message to the developers knowledgebase!") .
- " <A HREF=\"../src/retrievalerror.php?$par\"><br>" .
- _("Submit message") . '</A><BR> ' .
+ _("Body retrieval error. The reason for this is most probably that the message is malformed.") .
'</td></tr>' .
- '<td><b>' . _("Command:") . "</td><td>$cmd</td></tr>" .
- '<td><b>' . _("Response:") . "</td><td>$response</td></tr>" .
- '<td><b>' . _("Message:") . "</td><td>$message</td></tr>" .
- '<td><b>' . _("FETCH line:") . "</td><td>$topline</td></tr>" .
+ '<tr><td><b>' . _("Command:") . "</td><td>$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>";
$data = sqimap_run_command ($imap_stream, "FETCH $passed_id BODY[]", true, $response, $message, $uid_support);
$ret = $wholemessage;
}
- return( $ret );
+ return $ret;
}
-function mime_print_body_lines ($imap_stream, $id, $ent_id, $encoding) {
+function mime_print_body_lines ($imap_stream, $id, $ent_id=1, $encoding) {
global $uid_support;
- // do a bit of error correction. If we couldn't find the entity id, just guess
- // that it is the first one. That is usually the case anyway.
- if (!$ent_id) {
- $ent_id = 1;
- }
- $sid = sqimap_session_id($uid_support);
- // Don't kill the connection if the browser is over a dialup
- // and it would take over 30 seconds to download it.
- // donĀ“t call set_time_limit in safe mode.
- if (!ini_get("safe_mode")) {
+ /* 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.
+ */
+
+ if (!ini_get('safe_mode')) {
set_time_limit(0);
}
- if ($uid_support) {
- $sid_s = substr($sid,0,strpos($sid, ' '));
+ /* in case of base64 encoded attachments, do not buffer them.
+ Instead, echo the decoded attachment directly to screen */
+ if (strtolower($encoding) == 'base64') {
+ if (!$ent_id) {
+ $query = "FETCH $id BODY[]";
+ } else {
+ $query = "FETCH $id BODY[$ent_id]";
+ }
+ sqimap_run_command($imap_stream,$query,true,$response,$message,$uid_support,'sqimap_base64_decode','php://stdout',true);
} else {
- $sid_s = $sid;
+ $body = mime_fetch_body ($imap_stream, $id, $ent_id);
+ echo decodeBody($body, $encoding);
}
- $body = mime_fetch_body ($imap_stream, $id, $ent_id);
- echo decodeBody($body, $encoding);
+ /*
+ TODO, use the same method for quoted printable.
+ However, I assume that quoted printable attachments aren't that large
+ so the performancegain / memory usage drop will be minimal.
+ If we decide to add that then we need to adapt sqimap_fread because
+ we need to split te result on \n and fread doesn't stop at \n. That
+ means we also should provide $results from sqimap_fread (by ref) to
+ te function and set $no_return to false. The $filter function for
+ quoted printable should handle unsetting of $results.
+ */
+ /*
+ TODO 2: find out how we write to the output stream php://stdout. fwrite
+ doesn't work because 'php://stdout isn't a stream.
+ */
+
return;
/*
fputs ($imap_stream, "$sid FETCH $id BODY[$ent_id]\r\n");
/* -[ END MIME DECODING ]----------------------------------------------------------- */
-/* findDisplayEntity
- * Checks to see if $message contains content of type $type0/$type1
- * returns the first entity number it finds of that type, or NULL if
- * none is found. Takes optional argument $start to allow the caller
- * to continue where they left off
+/* This is here for debugging purposes. It will print out a list
+ * of all the entity IDs that are in the $message object.
*/
-function findDisplayEntity($message, $type0, $type1, $start=0) {
+function listEntities ($message) {
if ($message) {
- for ($i = $start;isset($message->entities[$i]); $i++) {
- $entity = $message->entities[$i];
- if ($entity->type0 == $type0 && $entity->type1 == $type1) {
- return $i;
+ 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[$i]);
+
+ if ($msg) {
+ echo "return: ";
+ return $msg;
}
}
}
- return NULL;
}
-// This is here for debugging purposese. It will print out a list
-// of all the entity IDs that are in the $message object.
+function getPriorityStr($priority) {
+ $priority_level = substr($priority,0,1);
-function listEntities ($message) {
- if ($message) {
- 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[$i]);
-
- if ($msg) {
- echo "return: ";
- return $msg;
- }
- }
- }
-}
+ switch($priority_level) {
+ /* Check for a higher then normal priority. */
+ case '1':
+ case '2':
+ $priority_string = _("High");
+ break;
-function getPriorityStr($priority) {
- $priority_level = substr($priority,0,1);
-
- switch($priority_level) {
- /* check for a higher then normal priority. */
- case '1':
- case '2':
- $priority_string = _("High");
- break;
-
- /* check for a lower then normal priority. */
- case '4':
- case '5':
- $priority_string = _("Low");
- break;
-
- /* check for a normal priority. */
- case '3':
- default:
- $priority_level = '3';
- $priority_string = _("Normal");
- break;
-
- }
- return $priority_string;
+ /* Check for a lower then normal priority. */
+ case '4':
+ case '5':
+ $priority_string = _("Low");
+ break;
+
+ /* Check for a normal priority. */
+ case '3':
+ default:
+ $priority_level = '3';
+ $priority_string = _("Normal");
+ break;
+
+ }
+ return $priority_string;
}
/* returns a $message object for a particular entity id */
return $message->getEntity($ent_id);
}
-/*
- * translateText
+/* translateText
* Extracted from strings.php 23/03/2002
*/
function translateText(&$body, $wrap_at, $charset) {
- global $where, $what; /* from searching */
- global $color; /* color theme */
+ global $where, $what; /* from searching */
+ global $color; /* color theme */
- require_once('../functions/url_parser.php');
+ require_once(SM_PATH . 'functions/url_parser.php');
$body_ary = explode("\n", $body);
- $PriorQuotes = 0;
for ($i=0; $i < count($body_ary); $i++) {
$line = $body_ary[$i];
if (strlen($line) - 2 >= $wrap_at) {
parseUrl ($line);
- $Quotes = 0;
+ $quotes = 0;
$pos = 0;
- $j = strlen( $line );
+ $j = strlen($line);
- while ( $pos < $j ) {
+ while ($pos < $j) {
if ($line[$pos] == ' ') {
- $pos ++;
+ $pos++;
} else if (strpos($line, '>', $pos) === $pos) {
$pos += 4;
- $Quotes ++;
+ $quotes++;
} else {
break;
}
}
-
- if ($Quotes > 1) {
- if (! isset($color[14])) {
- $color[14] = '#FF0000';
- }
- $line = '<FONT COLOR="' . $color[14] . '">' . $line . '</FONT>';
- } elseif ($Quotes) {
- if (! isset($color[13])) {
+
+ if ($quotes % 2) {
+ if (!isset($color[13])) {
$color[13] = '#800000';
}
- $line = '<FONT COLOR="' . $color[13] . '">' . $line . '</FONT>';
+ $line = '<font color="' . $color[13] . '">' . $line . '</font>';
+ } elseif ($quotes) {
+ if (!isset($color[14])) {
+ $color[14] = '#FF0000';
+ }
+ $line = '<font color="' . $color[14] . '">' . $line . '</font>';
}
-
+
$body_ary[$i] = $line;
}
$body = '<pre>' . implode("\n", $body_ary) . '</pre>';
}
-
/* This returns a parsed string called $body. That string can then
-be displayed as the actual message in the HTML. It contains
-everything needed, including HTML Tags, Attachments at the
-bottom, etc.
-*/
+ * be displayed as the actual message in the HTML. It contains
+ * everything needed, including HTML Tags, Attachments at the
+ * bottom, etc.
+ */
function formatBody($imap_stream, $message, $color, $wrap_at, $ent_num, $id, $mailbox='INBOX') {
- // this if statement checks for the entity to show as the
- // primary message. To add more of them, just put them in the
- // order that is their priority.
+ /* This if statement checks for the entity to show as the
+ * primary message. To add more of them, just put them in the
+ * order that is their priority.
+ */
global $startMessage, $username, $key, $imapServerAddress, $imapPort,
- $show_html_default, $has_unsafe_images, $view_unsafe_images, $sort;
+ $show_html_default, $sort, $has_unsafe_images, $passed_ent_id;
+ global $languages, $squirrelmail_language;
+
+ if( !sqgetGlobalVar('view_unsafe_images', $view_unsafe_images, SQ_GET) ) {
+ $view_unsafe_images = false;
+ }
- $has_unsafe_images= 0;
$body = '';
$urlmailbox = urlencode($mailbox);
$body_message = getEntity($message, $ent_num);
if (($body_message->header->type0 == 'text') ||
($body_message->header->type0 == 'rfc822')) {
- $body = mime_fetch_body ($imap_stream, $id, $ent_num);
+ $body = mime_fetch_body ($imap_stream, $id, $ent_num);
$body = decodeBody($body, $body_message->header->encoding);
+
+ if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ if (mb_detect_encoding($body) != 'ASCII') {
+ $body = $languages[$squirrelmail_language]['XTRA_CODE']('decode', $body);
+ }
+ }
$hookResults = do_hook("message_body", $body);
$body = $hookResults[1];
- // If there are other types that shouldn't be formatted, add
- // them here
+ /* If there are other types that shouldn't be formatted, add
+ * them here.
+ */
+
if ($body_message->header->type1 == 'html') {
- if ( $show_html_default <> 1 ) {
- $body = strip_tags( $body );
- translateText($body, $wrap_at,
- $body_message->header->getParameter['charset']);
+ if ($show_html_default <> 1) {
+ $entity_conv = array(' ' => ' ',
+ '<p>' => "\n",
+ '<br>' => "\n",
+ '<P>' => "\n",
+ '<BR>' => "\n",
+ '>' => '>',
+ '<' => '<');
+ $body = strtr($body, $entity_conv);
+ $body = strip_tags($body);
+ $body = trim($body);
+ translateText($body, $wrap_at,
+ $body_message->header->getParameter('charset'));
} else {
- $body = magicHTML( $body, $id, $message, $mailbox );
+ $body = magicHTML($body, $id, $message, $mailbox);
}
} else {
- translateText($body, $wrap_at,
- $body_message->header->getParameter('charset'));
+ translateText($body, $wrap_at,
+ $body_message->header->getParameter('charset'));
}
-
- if ($has_unsafe_images) {
- if ($view_unsafe_images) {
- $body .= "<CENTER><SMALL><A HREF=\"read_body.php?passed_id=$id&passed_ent_id=".$message->entity_id."&mailbox=$urlmailbox&sort=$sort&startMessage=$startMessage&show_more=0\">". _("Hide Unsafe Images") ."</A></SMALL></CENTER><BR>\n";
+ $link = 'passed_id=' . $id . '&ent_id='.$ent_num.
+ '&mailbox=' . $urlmailbox .'&sort=' . $sort .
+ '&startMessage=' . $startMessage . '&show_more=0';
+ if (isset($passed_ent_id)) {
+ $link .= '&passed_ent_id='.$passed_ent_id;
+ }
+ $body .= '<center><small><a href="download.php?absolute_dl=true&' .
+ $link . '">' . _("Download this as a file") . '</a>';
+ if ($view_unsafe_images) {
+ $text = _("Hide Unsafe Images");
+ } else {
+ if (isset($has_unsafe_images) && $has_unsafe_images) {
+ $link .= '&view_unsafe_images=1';
+ $text = _("View Unsafe Images");
} else {
- $body .= "<CENTER><SMALL><A HREF=\"read_body.php?passed_id=$id&passed_ent_id=".$message->entity_id."&mailbox=$urlmailbox&sort=$sort&startMessage=$startMessage&show_more=0&view_unsafe_images=1\">". _("View Unsafe Images") ."</A></SMALL></CENTER><BR>\n";
+ $text = '';
}
- }
- }
- return ($body);
+ }
+ if($text != '') {
+ $body .= ' | <a href="read_body.php?' . $link . '">' . $text . '</a>';
+ }
+ $body .= '</small></center><br>' . "\n";
+ }
+ return $body;
}
function formatAttachments($message, $exclude_id, $mailbox, $id) {
- global $where, $what;
- global $startMessage, $color;
+ global $where, $what, $startMessage, $color;
static $ShownHTML = 0;
$att_ar = $message->getAttachments($exclude_id);
$urlMailbox = urlencode($mailbox);
foreach ($att_ar as $att) {
- $ent = urldecode($att->entity_id);
+ $ent = $att->entity_id;
$header = $att->header;
$type0 = strtolower($header->type0);
$type1 = strtolower($header->type1);
$name = '';
- $Links['download link']['text'] = _("download");
- $Links['download link']['href'] =
- "../src/download.php?absolute_dl=true&passed_id=$id&mailbox=$urlMailbox&ent_id=$ent";
+ $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";
$ImageURL = '';
if ($type0 =='message' && $type1 == 'rfc822') {
- $default_page = '../src/read_body.php';
+ $default_page = SM_PATH . 'src/read_body.php';
$rfc822_header = $att->rfc822_header;
- $filename = decodeHeader($rfc822_header->subject);
-
+ $filename = $rfc822_header->subject;
+ if (trim( $filename ) == '') {
+ $filename = 'untitled-[' . $ent . ']' ;
+ }
$from_o = $rfc822_header->from;
if (is_object($from_o)) {
- $from_name = $from_o->getAddress(false);
+ $from_name = decodeHeader($from_o->getAddress(false));
} else {
$from_name = _("Unknown sender");
}
- $from_name = decodeHeader(htmlspecialchars($from_name));
- $description = $from_name;
+ $description = $from_name;
} else {
- $default_page = '../src/download.php';
- if (is_object($header->disposition)) {
- $filename = decodeHeader($header->disposition->getProperty('filename'));
- if (trim($filename) == '') {
- $name = decodeHeader($header->disposition->getProperty('name'));
- if (trim($name) == '') {
- if ( trim( $header->id ) == '' )
+ $default_page = SM_PATH . 'src/download.php';
+ if (is_object($header->disposition)) {
+ $filename = $header->disposition->getProperty('filename');
+ if (trim($filename) == '') {
+ $name = decodeHeader($header->disposition->getProperty('name'));
+ if (trim($name) == '') {
+ $name = $header->getParameter('name');
+ if(trim($name) == '') {
+ if (trim( $header->id ) == '') {
+ $filename = 'untitled-[' . $ent . ']' ;
+ } else {
+ $filename = 'cid: ' . $header->id;
+ }
+ } else {
+ $filename = $name;
+ }
+ } else {
+ $filename = $name;
+ }
+ }
+ } else {
+ $filename = $header->getParameter('name');
+ if (!trim($filename)) {
+ if (trim( $header->id ) == '') {
$filename = 'untitled-[' . $ent . ']' ;
- else
+ } else {
$filename = 'cid: ' . $header->id;
- } else {
- $filename = $name;
- }
- }
- } else {
- if ( trim( $header->id ) == '' )
- $filename = 'untitled-[' . $ent . ']' ;
- else
- $filename = 'cid: ' . $header->id;
- }
-
+ }
+ }
+ }
if ($header->description) {
- $description = htmlspecialchars($header->description);
+ $description = decodeHeader($header->description);
} else {
- $description = '';
- }
+ $description = '';
+ }
}
$display_filename = $filename;
- if (isset($passed_ent_id)) {
- $passed_ent_id_link = '&passed_ent_id='.$passed_ent_id;
- } else {
- $passed_ent_id_link = '';
- }
- $DefaultLink = $default_page . "?startMessage=$startMessage"
+ if (isset($passed_ent_id)) {
+ $passed_ent_id_link = '&passed_ent_id='.$passed_ent_id;
+ } else {
+ $passed_ent_id_link = '';
+ }
+ $defaultlink = $default_page . "?startMessage=$startMessage"
. "&passed_id=$id&mailbox=$urlMailbox"
. '&ent_id='.$ent.$passed_ent_id_link;
if ($where && $what) {
- $DefaultLink = '&where='. urlencode($where).'&what='.urlencode($what);
+ $defaultlink .= '&where='. urlencode($where).'&what='.urlencode($what);
}
- /* this executes the attachment hook with a specific MIME-type.
- * if that doens't have results, it tries if there's a rule
- * for a more generic type. */
- $HookResults = do_hook("attachment $type0/$type1", $Links,
- $startMessage, $id, $urlMailbox, $ent, $DefaultLink,
- $display_filename, $where, $what);
- if(count($HookResults[1]) <= 1) {
- $HookResults = do_hook("attachment $type0/*", $Links,
- $startMessage, $id, $urlMailbox, $ent, $DefaultLink,
- $display_filename, $where, $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.
+ */
+ $hookresults = do_hook("attachment $type0/$type1", $links,
+ $startMessage, $id, $urlMailbox, $ent, $defaultlink,
+ $display_filename, $where, $what);
+ if(count($hookresults[1]) <= 1) {
+ $hookresults = do_hook("attachment $type0/*", $links,
+ $startMessage, $id, $urlMailbox, $ent, $defaultlink,
+ $display_filename, $where, $what);
}
- $Links = $HookResults[1];
- $DefaultLink = $HookResults[6];
+ $links = $hookresults[1];
+ $defaultlink = $hookresults[6];
$attachments .= '<TR><TD>' .
- "<A HREF=\"$DefaultLink\">$display_filename</A> </TD>" .
+ '<A HREF="'.$defaultlink.'">'.decodeHeader($display_filename).'</A> </TD>' .
'<TD><SMALL><b>' . show_readable_size($header->size) .
'</b> </small></TD>' .
"<TD><SMALL>[ $type0/$type1 ] </SMALL></TD>" .
$attachments .= '<b>' . $description . '</b>';
$attachments .= '</SMALL></TD><TD><SMALL> ';
- $SkipSpaces = 1;
- foreach ($Links as $Val) {
- if ($SkipSpaces) {
- $SkipSpaces = 0;
+ $skipspaces = 1;
+ foreach ($links as $val) {
+ if ($skipspaces) {
+ $skipspaces = 0;
} else {
$attachments .= ' | ';
}
- $attachments .= '<a href="' . $Val['href'] . '">' . $Val['text'] . '</a>';
+ $attachments .= '<a href="' . $val['href'] . '">' . $val['text'] . '</a>';
}
- unset($Links);
+ unset($links);
$attachments .= "</TD></TR>\n";
}
+ $attachmentadd = do_hook_function('attachments_bottom',$attachments);
+ if ($attachmentadd != '')
+ $attachments = $attachmentadd;
return $attachments;
}
-/** this function decodes the body depending on the encoding type. **/
+function sqimap_base64_decode(&$string) {
+ $string = str_replace("\r\n", "\n", $string);
+ $string = base64_decode($string);
+}
+
+/* This function decodes the body depending on the encoding type. */
function decodeBody($body, $encoding) {
- $body = str_replace("\r\n", "\n", $body);
- $encoding = strtolower($encoding);
+ global $show_html_default;
- global $show_html_default;
+ $body = str_replace("\r\n", "\n", $body);
+ $encoding = strtolower($encoding);
- if ($encoding == 'quoted-printable' ||
- $encoding == 'quoted_printable') {
- $body = quoted_printable_decode($body);
+ $encoding_handler = do_hook_function('decode_body', $encoding);
- while (ereg("=\n", $body))
- $body = ereg_replace ("=\n", "", $body);
- } else if ($encoding == 'base64') {
- $body = base64_decode($body);
- }
+ // plugins get first shot at decoding the body
+ //
+ if (!empty($encoding_handler) && function_exists($encoding_handler)) {
+ $body = $encoding_handler('decode', $body);
- // All other encodings are returned raw.
- return $body;
+ } else if ($encoding == 'quoted-printable' ||
+ $encoding == 'quoted_printable') {
+ $body = quoted_printable_decode($body);
+
+ while (ereg("=\n", $body)) {
+ $body = ereg_replace ("=\n", '', $body);
+ }
+
+ } else if ($encoding == 'base64') {
+ $body = base64_decode($body);
+ }
+
+ // All other encodings are returned raw.
+ return $body;
}
/*
* RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text).
* Patched by Christian Schmidt <christian@ostenfeld.dk> 23/03/2002
*/
-function decodeHeader ($string, $utfencode=true) {
+function decodeHeader ($string, $utfencode=true,$htmlsave=true) {
+ global $languages, $squirrelmail_language;
if (is_array($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);
+ // Do we need to return at this point?
+ // return $string;
+ }
$i = 0;
- while (preg_match('/^(.{' . $i . '})(.*)=\?([^?]*)\?(Q|B)\?([^?]*)\?=/Ui',
- $string, $res)) {
- $prefix = $res[1];
- // Ignore white-space between consecutive encoded-words
- if (strspn($res[2], " \t") != strlen($res[2])) {
- $prefix .= $res[2];
+ $iLastMatch = -2;
+ $encoded = true;
+
+ $aString = explode(' ',$string);
+ $ret = '';
+ foreach ($aString as $chunk) {
+ if ($encoded && $chunk === '') {
+ continue;
+ } elseif ($chunk === '') {
+ $ret .= ' ';
+ continue;
+ }
+ $encoded = false;
+ /* if encoded words are not separated by a linear-space-white we still catch them */
+ $j = $i-1;
+
+ while ($match = preg_match('/^(.*)=\?([^?]*)\?(Q|B)\?([^?]*)\?=(.*)$/Ui',$chunk,$res)) {
+ /* if the last chunk isn't an encoded string then put back the space, otherwise don't */
+ if ($iLastMatch !== $j) {
+ if ($htmlsave) {
+ $ret .= ' ';
+ } else {
+ $ret .= ' ';
+ }
+ }
+ $iLastMatch = $i;
+ $j = $i;
+ $ret .= $res[1];
+ $encoding = ucfirst($res[3]);
+ switch ($encoding)
+ {
+ case 'B':
+ $replace = base64_decode($res[4]);
+ $ret .= charset_decode($res[2],$replace);
+ break;
+ case 'Q':
+ $replace = str_replace('_', ' ', $res[4]);
+ $replace = preg_replace('/=([0-9a-f]{2})/ie', 'chr(hexdec("\1"))',
+ $replace);
+ /* Only encode into entities by default. Some places
+ * don't need the encoding, like the compose form.
+ */
+ if ($utfencode) {
+ $replace = charset_decode($res[2], $replace);
+ } else {
+ if ($htmlsave) {
+ $replace = htmlspecialchars($replace);
+ }
+ }
+ $ret .= $replace;
+ break;
+ default:
+ break;
+ }
+ $chunk = $res[5];
+ $encoded = true;
}
- if (ucfirst($res[4]) == 'B') {
- $replace = base64_decode($res[5]);
+ if (!$encoded && $htmlsave) {
+ $ret .= htmlspecialchars($chunk);
} else {
- $replace = str_replace('_', ' ', $res[5]);
- $replace = preg_replace('/=([0-9a-f]{2})/ie', 'chr(hexdec("\1"))',
- $replace);
- /* Only encode into entities by default. Some places
- don't need the encoding, like the compose form. */
- if ($utfencode) {
- $replace = charset_decode($res[3], $replace);
+ $ret .= $chunk;
+ }
+
+ if (!$encoded) {
+ if ($htmlsave) {
+ $ret .= ' ';
+ } else {
+ $ret .= ' ';
}
}
- $string = $prefix . $replace . substr($string, strlen($res[0]));
- $i = strlen($prefix) + strlen($replace);
+ ++$i;
+ }
+ /* remove the first added space */
+ if ($ret) {
+ if ($htmlsave) {
+ $ret = substr($ret,6);
+ } else {
+ $ret = substr($ret,1);
+ }
}
- return( $string );
+
+ return $ret;
}
/*
* be encoded.
*/
function encodeHeader ($string) {
- global $default_charset;
+ 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', $string);
+ }
+ if (strtolower($default_charset) == 'iso-8859-1') {
+ $string = str_replace("\240",' ',$string);
+ }
// Encode only if the string contains 8-bit characters or =?
- $j = strlen( $string );
- $l = strstr($string, '=?'); // Must be encoded ?
+ $j = strlen($string);
+ $max_l = 75 - strlen($default_charset) - 7;
+ $aRet = array();
$ret = '';
- for( $i=0; $i < $j; ++$i) {
- switch( $string{$i} ) {
- case '=':
- $ret .= '=3D';
- break;
+ $iEncStart = $enc_init = false;
+ $cur_l = $iOffset = 0;
+ for($i = 0; $i < $j; ++$i) {
+ switch($string{$i})
+ {
+ case '=':
+ case '<':
+ case '>':
+ case ',':
case '?':
- $ret .= '=3F';
- break;
case '_':
- $ret .= '=5F';
- break;
+ if ($iEncStart === false) {
+ $iEncStart = $i;
+ }
+ $cur_l+=3;
+ if ($cur_l > ($max_l-2)) {
+ /* if there is an stringpart that doesn't need encoding, add it */
+ $aRet[] = substr($string,$iOffset,$iEncStart-$iOffset);
+ $aRet[] = "=?$default_charset?Q?$ret?=";
+ $iOffset = $i;
+ $cur_l = 0;
+ $ret = '';
+ $iEncStart = false;
+ } else {
+ $ret .= sprintf("=%02X",ord($string{$i}));
+ }
+ break;
+ case '(':
+ case ')':
+ if ($iEncStart !== false) {
+ $aRet[] = substr($string,$iOffset,$iEncStart-$iOffset);
+ $aRet[] = "=?$default_charset?Q?$ret?=";
+ $iOffset = $i;
+ $cur_l = 0;
+ $ret = '';
+ $iEncStart = false;
+ }
+ break;
case ' ':
- $ret .= '_';
- break;
+ if ($iEncStart !== false) {
+ $cur_l++;
+ if ($cur_l > $max_l) {
+ $aRet[] = substr($string,$iOffset,$iEncStart-$iOffset);
+ $aRet[] = "=?$default_charset?Q?$ret?=";
+ $iOffset = $i;
+ $cur_l = 0;
+ $ret = '';
+ $iEncStart = false;
+ } else {
+ $ret .= '_';
+ }
+ }
+ break;
default:
- $k = ord( $string{$i} );
- if ( $k > 126 ) {
- $ret .= sprintf("=%02X", $k);
- $l = TRUE;
- } else
- $ret .= $string{$i};
+ $k = ord($string{$i});
+ if ($k > 126) {
+ if ($iEncStart === false) {
+ // do not start encoding in the middle of a string, also take the rest of the word.
+ $sLeadString = substr($string,0,$i);
+ $aLeadString = explode(' ',$sLeadString);
+ $sToBeEncoded = array_pop($aLeadString);
+ $iEncStart = $i - strlen($sToBeEncoded);
+ $ret .= $sToBeEncoded;
+ $cur_l += strlen($sToBeEncoded);
+ }
+ $cur_l += 3;
+ /* first we add the encoded string that reached it's max size */
+ if ($cur_l > ($max_l-2)) {
+ $aRet[] = substr($string,$iOffset,$iEncStart-$iOffset);
+ $aRet[] = "=?$default_charset?Q?$ret?= "; /* the next part is also encoded => separate by space */
+ $cur_l = 3;
+ $ret = '';
+ $iOffset = $i;
+ $iEncStart = $i;
+ }
+ $enc_init = true;
+ $ret .= sprintf("=%02X", $k);
+ } else {
+ if ($iEncStart !== false) {
+ $cur_l++;
+ if ($cur_l > $max_l) {
+ $aRet[] = substr($string,$iOffset,$iEncStart-$iOffset);
+ $aRet[] = "=?$default_charset?Q?$ret?=";
+ $iEncStart = false;
+ $iOffset = $i;
+ $cur_l = 0;
+ $ret = '';
+ } else {
+ $ret .= $string{$i};
+ }
+ }
+ }
+ break;
}
}
- if ( $l ) {
- $string = "=?$default_charset?Q?$ret?=";
+ if ($enc_init) {
+ if ($iEncStart !== false) {
+ $aRet[] = substr($string,$iOffset,$iEncStart-$iOffset);
+ $aRet[] = "=?$default_charset?Q?$ret?=";
+ } else {
+ $aRet[] = substr($string,$iOffset);
+ }
+ $string = implode('',$aRet);
}
-
- return( $string );
+ return $string;
}
/* This function trys to locate the entity_id of a specific mime element */
-
-function find_ent_id( $id, $message ) {
- $ret = '';
- for ($i=0; $ret == '' && $i < count($message->entities); $i++) {
- if ( $message->entities[$i]->header->type0 == 'multipart') {
- $ret = find_ent_id( $id, $message->entities[$i] );
+function find_ent_id($id, $message) {
+ for ($i = 0, $ret = ''; $ret == '' && $i < count($message->entities); $i++) {
+ if ($message->entities[$i]->header->type0 == 'multipart') {
+ $ret = find_ent_id($id, $message->entities[$i]);
} else {
- if ( strcasecmp( $message->entities[$i]->header->id, $id ) == 0 )
- $ret = $message->entities[$i]->entity_id;
+ if (strcasecmp($message->entities[$i]->header->id, $id) == 0) {
+// if (sq_check_save_extension($message->entities[$i])) {
+ return $message->entities[$i]->entity_id;
+// }
+ }
}
}
- return( $ret );
+ return $ret;
}
+function sq_check_save_extension($message) {
+ $filename = $message->getFilename();
+ $ext = substr($filename, strrpos($filename,'.')+1);
+ $save_extensions = array('jpg','jpeg','gif','png','bmp');
+ return in_array($ext, $save_extensions);
+}
+
+
/**
** HTMLFILTER ROUTINES
*/
+/**
+ * This function is more or less a wrapper around stripslashes. Apparently
+ * Explorer is stupid enough to just remove the backslashes and then
+ * execute the content of the attribute as if nothing happened.
+ * Who does that?
+ *
+ * @param attvalue The value of the attribute
+ * @return attvalue The value of the attribute stripslashed.
+ */
+function sq_unbackslash($attvalue){
+ /**
+ * Remove any backslashes. See if there are any first.
+ */
+
+ if (strstr($attvalue, '\\') !== false){
+ $attvalue = stripslashes($attvalue);
+ }
+ return $attvalue;
+}
+
+/**
+ * Kill any tabs, newlines, or carriage returns. Our friends the
+ * makers of the browser with 95% market value decided that it'd
+ * be funny to make "java[tab]script" be just as good as "javascript".
+ *
+ * @param attvalue The attribute value before extraneous spaces removed.
+ * @return attvalue The attribute value after extraneous spaces removed.
+ */
+function sq_unspace($attvalue){
+ if (strcspn($attvalue, "\t\r\n") != strlen($attvalue)){
+ $attvalue = str_replace(Array("\t", "\r", "\n"), Array('', '', ''),
+ $attvalue);
+ }
+ return $attvalue;
+}
+
/**
* This function returns the final tag out of the tag name, an array
- * of attributes, and the type of the tag. This function is called by
+ * of attributes, and the type of the tag. This function is called by
* sq_sanitize internally.
*
* @param $tagname the name of the tag.
* @return a string with the final tag representation.
*/
function sq_tagprint($tagname, $attary, $tagtype){
- $me = "sq_tagprint";
+ $me = 'sq_tagprint';
+
if ($tagtype == 2){
$fulltag = '</' . $tagname . '>';
} else {
$fulltag .= ' ' . join(" ", $atts);
}
if ($tagtype == 3){
- $fulltag .= " /";
+ $fulltag .= ' /';
}
- $fulltag .= ">";
+ $fulltag .= '>';
}
return $fulltag;
}
/**
* This function skips any whitespace from the current position within
* a string and to the next non-whitespace value.
- *
+ *
* @param $body the string
* @param $offset the offset within the string where we should start
* looking for the next non-whitespace character.
* non-whitespace char is located.
*/
function sq_skipspace($body, $offset){
- $me = "sq_skipspace";
- preg_match("/^(\s*)/s", substr($body, $offset), $matches);
+ $me = 'sq_skipspace';
+ preg_match('/^(\s*)/s', substr($body, $offset), $matches);
if (sizeof($matches{1})){
$count = strlen($matches{1});
$offset += $count;
* strlen($body) if needle wasn't found.
*/
function sq_findnxstr($body, $offset, $needle){
- $me = "sq_findnxstr";
+ $me = 'sq_findnxstr';
$pos = strpos($body, $needle, $offset);
if ($pos === FALSE){
$pos = strlen($body);
* - string with whatever it is we matched
*/
function sq_findnxreg($body, $offset, $reg){
- $me = "sq_findnxreg";
+ $me = 'sq_findnxreg';
$matches = Array();
$retarr = Array();
- preg_match("%^(.*?)($reg)%s", substr($body, $offset), $matches);
- if (!$matches{0}){
+ preg_match("%^(.*?)($reg)%si", substr($body, $offset), $matches);
+ if (!isset($matches{0}) || !$matches{0}){
$retarr = false;
} else {
$retarr{0} = $offset + strlen($matches{1});
* first three members will be false, if the tag is invalid.
*/
function sq_getnxtag($body, $offset){
- $me = "sq_getnxtag";
+ $me = 'sq_getnxtag';
if ($offset > strlen($body)){
return false;
}
*/
$tagtype = false;
switch (substr($body, $pos, 1)){
- case "/":
- $tagtype = 2;
- $pos++;
- break;
- case "!":
- /**
- * A comment or an SGML declaration.
- */
- if (substr($body, $pos+1, 2) == "--"){
- $gt = strpos($body, "-->", $pos);
- if ($gt === false){
- $gt = strlen($body);
+ case '/':
+ $tagtype = 2;
+ $pos++;
+ break;
+ case '!':
+ /**
+ * A comment or an SGML declaration.
+ */
+ if (substr($body, $pos+1, 2) == "--"){
+ $gt = strpos($body, "-->", $pos);
+ if ($gt === false){
+ $gt = strlen($body);
+ } else {
+ $gt += 2;
+ }
+ return Array(false, false, false, $lt, $gt);
} else {
- $gt += 2;
- }
- return Array(false, false, false, $lt, $gt);
- } else {
- $gt = sq_findnxstr($body, $pos, ">");
- return Array(false, false, false, $lt, $gt);
- }
- break;
- default:
- /**
- * Assume tagtype 1 for now. If it's type 3, we'll switch values
- * later.
- */
- $tagtype = 1;
- break;
+ $gt = sq_findnxstr($body, $pos, ">");
+ return Array(false, false, false, $lt, $gt);
+ }
+ break;
+ default:
+ /**
+ * Assume tagtype 1 for now. If it's type 3, we'll switch values
+ * later.
+ */
+ $tagtype = 1;
+ break;
}
$tag_start = $pos;
* '>' indicating the end of the tag entirely.
* '\s' indicating the end of the tag name.
* '/' indicating that this is type-3 xhtml tag.
- *
+ *
* Whatever else we find there indicates an invalid tag.
*/
switch ($match){
- case "/":
- /**
- * This is an xhtml-style tag with a closing / at the
- * 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) == "/>"){
- $pos++;
- $tagtype = 3;
- } else {
- $gt = sq_findnxstr($body, $pos, ">");
- $retary = Array(false, false, false, $lt, $gt);
- return $retary;
- }
- case ">":
- return Array($tagname, false, $tagtype, $lt, $pos);
- break;
- default:
- /**
- * Check if it's whitespace
- */
- if (preg_match("/\s/", $match)){
- } else {
+ case '/':
/**
- * This is an invalid tag! Look for the next closing ">".
+ * This is an xhtml-style tag with a closing / at the
+ * end, like so: <img src="blah"/>. Check if it's followed
+ * by the closing bracket. If not, then this tag is invalid
*/
- $gt = sq_findnxstr($body, $offset, ">");
- return Array(false, false, false, $lt, $gt);
- }
+ if (substr($body, $pos, 2) == "/>"){
+ $pos++;
+ $tagtype = 3;
+ } else {
+ $gt = sq_findnxstr($body, $pos, ">");
+ $retary = Array(false, false, false, $lt, $gt);
+ return $retary;
+ }
+ case '>':
+ return Array($tagname, false, $tagtype, $lt, $pos);
+ break;
+ default:
+ /**
+ * Check if it's whitespace
+ */
+ if (!preg_match('/\s/', $match)){
+ /**
+ * This is an invalid tag! Look for the next closing ">".
+ */
+ $gt = sq_findnxstr($body, $lt, ">");
+ return Array(false, false, false, $lt, $gt);
+ }
+ break;
}
-
+
/**
* At this point we're here:
* <tagname attribute='blah'>
* double quotes. Type 4 we convert into:
* attrname="yes".
*/
- $regary = sq_findnxreg($body, $pos, "[^\w\-_]");
+ $regary = sq_findnxreg($body, $pos, "[^:\w\-_]");
if ($regary == false){
/**
* Looks like body ended before the end of tag.
* anything else means the attribute is invalid.
*/
switch($match){
- case "/":
- /**
- * This is an xhtml-style tag with a closing / at the
- * end, like so: <img src="blah"/>. Check if it's followed
- * by the closing bracket. If not, then this tag is invalid
- */
- if (substr($body, $pos, 2) == "/>"){
- $pos++;
- $tagtype = 3;
- } else {
- $gt = sq_findnxstr($body, $pos, ">");
- $retary = Array(false, false, false, $lt, $gt);
- return $retary;
- }
- case ">":
- $attary{$attname} = '"yes"';
- return Array($tagname, $attary, $tagtype, $lt, $pos);
- break;
- default:
- /**
- * Skip whitespace and see what we arrive at.
- */
- $pos = sq_skipspace($body, $pos);
- $char = substr($body, $pos, 1);
- /**
- * Two things are valid here:
- * '=' means this is attribute type 1 2 or 3.
- * \w means this was attribute type 4.
- * anything else we ignore and re-loop. End of tag and
- * invalid stuff will be caught by our checks at the beginning
- * of the loop.
- */
- if ($char == "="){
- $pos++;
- $pos = sq_skipspace($body, $pos);
+ case '/':
/**
- * Here are 3 possibilities:
- * "'" attribute type 1
- * '"' attribute type 2
- * everything else is the content of tag type 3
+ * This is an xhtml-style tag with a closing / at the
+ * end, like so: <img src="blah"/>. Check if it's followed
+ * by the closing bracket. If not, then this tag is invalid
*/
- $quot = substr($body, $pos, 1);
- if ($quot == "'"){
- $regary = sq_findnxreg($body, $pos+1, "\'");
- if ($regary == false){
- return Array(false, false, false, $lt, strlen($body));
- }
- list($pos, $attval, $match) = $regary;
- $pos++;
- $attary{$attname} = "'" . $attval . "'";
- } else if ($quot == '"'){
- $regary = sq_findnxreg($body, $pos+1, '\"');
- if ($regary == false){
- return Array(false, false, false, $lt, strlen($body));
- }
- list($pos, $attval, $match) = $regary;
+ if (substr($body, $pos, 2) == "/>"){
$pos++;
- $attary{$attname} = '"' . $attval . '"';
+ $tagtype = 3;
} else {
+ $gt = sq_findnxstr($body, $pos, ">");
+ $retary = Array(false, false, false, $lt, $gt);
+ return $retary;
+ }
+ case '>':
+ $attary{$attname} = '"yes"';
+ return Array($tagname, $attary, $tagtype, $lt, $pos);
+ break;
+ default:
+ /**
+ * Skip whitespace and see what we arrive at.
+ */
+ $pos = sq_skipspace($body, $pos);
+ $char = substr($body, $pos, 1);
+ /**
+ * Two things are valid here:
+ * '=' means this is attribute type 1 2 or 3.
+ * \w means this was attribute type 4.
+ * anything else we ignore and re-loop. End of tag and
+ * invalid stuff will be caught by our checks at the beginning
+ * of the loop.
+ */
+ if ($char == "="){
+ $pos++;
+ $pos = sq_skipspace($body, $pos);
/**
- * These are hateful. Look for \s, or >.
+ * Here are 3 possibilities:
+ * "'" attribute type 1
+ * '"' attribute type 2
+ * everything else is the content of tag type 3
*/
- $regary = sq_findnxreg($body, $pos, "[\s>]");
- if ($regary == false){
- return Array(false, false, false, $lt, strlen($body));
+ $quot = substr($body, $pos, 1);
+ if ($quot == "'"){
+ $regary = sq_findnxreg($body, $pos+1, "\'");
+ if ($regary == false){
+ return Array(false, false, false, $lt, strlen($body));
+ }
+ list($pos, $attval, $match) = $regary;
+ $pos++;
+ $attary{$attname} = "'" . $attval . "'";
+ } else if ($quot == '"'){
+ $regary = sq_findnxreg($body, $pos+1, '\"');
+ if ($regary == false){
+ return Array(false, false, false, $lt, strlen($body));
+ }
+ list($pos, $attval, $match) = $regary;
+ $pos++;
+ $attary{$attname} = '"' . $attval . '"';
+ } else {
+ /**
+ * These are hateful. Look for \s, or >.
+ */
+ $regary = sq_findnxreg($body, $pos, "[\s>]");
+ if ($regary == false){
+ return Array(false, false, false, $lt, strlen($body));
+ }
+ list($pos, $attval, $match) = $regary;
+ /**
+ * If it's ">" it will be caught at the top.
+ */
+ $attval = preg_replace("/\"/s", """, $attval);
+ $attary{$attname} = '"' . $attval . '"';
}
- list($pos, $attval, $match) = $regary;
+ } else if (preg_match("|[\w/>]|", $char)) {
/**
- * If it's ">" it will be caught at the top.
+ * That was attribute type 4.
*/
- $attval = preg_replace("/\"/s", """, $attval);
- $attary{$attname} = '"' . $attval . '"';
+ $attary{$attname} = '"yes"';
+ } else {
+ /**
+ * An illegal character. Find next '>' and return.
+ */
+ $gt = sq_findnxstr($body, $pos, ">");
+ return Array(false, false, false, $lt, $gt);
}
- } else if (preg_match("|[\w/>]|", $char)) {
- /**
- * That was attribute type 4.
- */
- $attary{$attname} = '"yes"';
- } else {
- /**
- * An illegal character. Find next '>' and return.
- */
- $gt = sq_findnxstr($body, $pos, ">");
- return Array(false, false, false, $lt, $gt);
- }
+ break;
}
}
/**
* @param $attvalue A string to run entity check against.
* @return Translated value.
*/
+
function sq_deent($attvalue){
- $me="sq_deent";
+ $me = 'sq_deent';
/**
* See if we have to run the checks first. All entities must start
* with "&".
*/
- if (strpos($attvalue, "&") === false){
+ if (strpos($attvalue, '&') === false){
return $attvalue;
}
/**
* Leave " in, as it can mess us up.
*/
$trans = array_flip($trans);
- unset($trans{"""});
+ unset($trans{'"'});
while (list($ent, $val) = each($trans)){
- $attvalue = preg_replace("/$ent*(\W)/si", "$val\\1", $attvalue);
+ $attvalue = preg_replace('/' . $ent . '*/si', $val, $attvalue);
}
/**
* Now translate numbered entities from 1 to 255 if needed.
*/
- if (strpos($attvalue, "#") !== false){
+ if (strpos($attvalue, '#') !== false){
$omit = Array(34, 39);
- for ($asc=1; $asc<256; $asc++){
+ for ($asc = 256; $asc >= 0; $asc--){
if (!in_array($asc, $omit)){
$chr = chr($asc);
- $attvalue = preg_replace("/\�*$asc;*(\D)/si", "$chr\\1",
- $attvalue);
- $attvalue = preg_replace("/\�*".dechex($asc).";*(\W)/si",
- "$chr\\1", $attvalue);
+ $octrule = '/\�*' . $asc . ';*/si';
+ $hexrule = '/\�*' . dechex($asc) . ';*/si';
+ $attvalue = preg_replace($octrule, $chr, $attvalue);
+ $attvalue = preg_replace($hexrule, $chr, $attvalue);
}
}
}
* @param $id message id
* @return Array with modified attributes.
*/
-function sq_fixatts($tagname,
- $attary,
+function sq_fixatts($tagname,
+ $attary,
$rm_attnames,
$bad_attvals,
$add_attr_to_tag,
$message,
$id,
- $mailbox
+ $mailbox
){
- $me = "sq_fixatts";
+ $me = 'sq_fixatts';
while (list($attname, $attvalue) = each($attary)){
/**
* See if this attribute should be removed.
}
}
/**
- * Remove any entities.
+ * Remove any backslashes, entities, and extraneous whitespace.
*/
+ $attvalue = sq_unbackslash($attvalue);
$attvalue = sq_deent($attvalue);
+ $attvalue = sq_unspace($attvalue);
/**
* Now let's run checks on the attvalues.
* Second one is replacements
*/
list($valmatch, $valrepl) = $valary;
- $newvalue =
+ $newvalue =
preg_replace($valmatch, $valrepl, $attvalue);
if ($newvalue != $attvalue){
$attary{$attname} = $newvalue;
/**
* This function edits the style definition to make them friendly and
* usable in squirrelmail.
- *
+ *
* @param $message the message object
* @param $id the message id
* @param $content a string with whatever is between <style> and </style>
+ * @param $mailbox the message mailbox
* @return a string with edited content.
*/
-function sq_fixstyle($message, $id, $content){
+function sq_fixstyle($body, $pos, $message, $id, $mailbox){
global $view_unsafe_images;
- $me = "sq_fixstyle";
+ $me = 'sq_fixstyle';
+ $ret = sq_findnxreg($body, $pos, '</\s*style\s*>');
+ if ($ret == FALSE){
+ return array(FALSE, strlen($body));
+ }
+ $newpos = $ret[0] + strlen($ret[2]);
+ $content = $ret[1];
/**
* First look for general BODY style declaration, which would be
* like so:
* and change it to .bodyclass so we can just assign it to a <div>
*/
$content = preg_replace("|body(\s*\{.*?\})|si", ".bodyclass\\1", $content);
- $secremoveimg = "../images/" . _("sec_remove_eng.png");
+ $secremoveimg = '../images/' . _("sec_remove_eng.png");
/**
* Fix url('blah') declarations.
*/
- $content = preg_replace("|url\(([\'\"])\s*\S+script\s*:.*?([\'\"])\)|si",
+ $content = preg_replace("|url\s*\(\s*([\'\"])\s*\S+script\s*:.*?([\'\"])\s*\)|si",
"url(\\1$secremoveimg\\2)", $content);
/**
* Fix url('https*://.*) declarations but only if $view_unsafe_images
* is false.
*/
if (!$view_unsafe_images){
- $content = preg_replace("|url\(([\'\"])\s*https*:.*?([\'\"])\)|si",
+ $content = preg_replace("|url\s*\(\s*([\'\"])\s*https*:.*?([\'\"])\s*\)|si",
"url(\\1$secremoveimg\\2)", $content);
}
-
+
/**
* Fix urls that refer to cid:
*/
- while (preg_match("|url\(([\'\"]\s*cid:.*?[\'\"])\)|si", $content,
- $matches)){
+ while (preg_match("|url\s*\(\s*([\'\"]\s*cid:.*?[\'\"])\s*\)|si",
+ $content, $matches)){
$cidurl = $matches{1};
- $httpurl = sq_cid2http($message, $id, $cidurl);
- $content = preg_replace("|url\($cidurl\)|si",
+ $httpurl = sq_cid2http($message, $id, $cidurl, $mailbox);
+ $content = preg_replace("|url\s*\(\s*$cidurl\s*\)|si",
"url($httpurl)", $content);
}
* Fix stupid css declarations which lead to vulnerabilities
* in IE.
*/
- $match = Array('/expression/si',
- '/behaviou*r/si',
- '/binding/si');
- $replace = Array('idiocy', 'idiocy', 'idiocy');
+ $match = Array('/expression/i',
+ '/behaviou*r/i',
+ '/binding/i',
+ '/include-source/i');
+ $replace = Array('idiocy', 'idiocy', 'idiocy', 'idiocy');
$content = preg_replace($match, $replace, $content);
- return $content;
+ return array($content, $newpos);
}
/**
* @param $message the message object
* @param $id the message id
* @param $cidurl the cid: url.
+ * @param $mailbox the message mailbox
* @return a string with a http-friendly url
*/
function sq_cid2http($message, $id, $cidurl, $mailbox){
* Get rid of quotes.
*/
$quotchar = substr($cidurl, 0, 1);
- $cidurl = str_replace($quotchar, "", $cidurl);
+ if ($quotchar == '"' || $quotchar == "'"){
+ $cidurl = str_replace($quotchar, "", $cidurl);
+ } else {
+ $quotchar = '';
+ }
$cidurl = substr(trim($cidurl), 4);
- $httpurl = $quotchar . "../src/download.php?absolute_dl=true&" .
- "passed_id=$id&mailbox=" . urlencode($mailbox) .
- "&ent_id=" . find_ent_id($cidurl, $message) . $quotchar;
+ $linkurl = find_ent_id($cidurl, $message);
+ /* in case of non-save cid links $httpurl should be replaced by a sort of
+ unsave link image */
+ $httpurl = '';
+ if ($linkurl) {
+ $httpurl = $quotchar . SM_PATH . 'src/download.php?absolute_dl=true&' .
+ "passed_id=$id&mailbox=" . urlencode($mailbox) .
+ '&ent_id=' . $linkurl . $quotchar;
+ }
return $httpurl;
}
* This function changes the <body> tag into a <div> tag since we
* can't really have a body-within-body.
*
- * @param $attary an array of attributes and values of <body>
- * @return a modified array of attributes to be set for <div>
+ * @param $attary an array of attributes and values of <body>
+ * @param $mailbox mailbox we're currently reading (for cid2http)
+ * @param $message current message (for cid2http)
+ * @param $id current message id (for cid2http)
+ * @return a modified array of attributes to be set for <div>
*/
-function sq_body2div($attary){
- $me = "sq_body2div";
- $divattary = Array("class"=>"'bodyclass'");
- $bgcolor="#ffffff";
- $text="#000000";
- $styledef="";
+function sq_body2div($attary, $mailbox, $message, $id){
+ $me = 'sq_body2div';
+ $divattary = Array('class' => "'bodyclass'");
+ $bgcolor = '#ffffff';
+ $text = '#000000';
+ $has_bgc_stl = $has_txt_stl = false;
+ $styledef = '';
if (is_array($attary) && sizeof($attary) > 0){
foreach ($attary as $attname=>$attvalue){
$quotchar = substr($attvalue, 0, 1);
$attvalue = str_replace($quotchar, "", $attvalue);
switch ($attname){
- case "background":
- $styledef .= "background-image: url('$attvalue'); ";
- break;
- case "bgcolor":
- $styledef .= "background-color: $attvalue; ";
- break;
- case "text":
- $styledef .= "color: $attvalue; ";
+ case 'background':
+ $attvalue = sq_cid2http($message, $id,
+ $attvalue, $mailbox);
+ $styledef .= "background-image: url('$attvalue'); ";
+ break;
+ case 'bgcolor':
+ $has_bgc_stl = true;
+ $styledef .= "background-color: $attvalue; ";
+ break;
+ case 'text':
+ $has_txt_stl = true;
+ $styledef .= "color: $attvalue; ";
+ break;
}
}
+ // Outlook defines a white bgcolor and no text color. This can lead to
+ // white text on a white bg with certain themes.
+ if ($has_bgc_stl && !$has_txt_stl) {
+ $styledef .= "color: $text; ";
+ }
if (strlen($styledef) > 0){
$divattary{"style"} = "\"$styledef\"";
}
* @param $id message id
* @return sanitized html safe to show on your pages.
*/
-function sq_sanitize($body,
- $tag_list,
+function sq_sanitize($body,
+ $tag_list,
$rm_tags_with_content,
$self_closing_tags,
$force_tag_closing,
$add_attr_to_tag,
$message,
$id,
- $mailbox
+ $mailbox
){
- $me = "sq_sanitize";
+ $me = 'sq_sanitize';
+ $rm_tags = array_shift($tag_list);
/**
* Normalize rm_tags and rm_tags_with_content.
*/
- @array_walk($rm_tags, 'sq_casenormalize');
+ @array_walk($tag_list, 'sq_casenormalize');
@array_walk($rm_tags_with_content, 'sq_casenormalize');
@array_walk($self_closing_tags, 'sq_casenormalize');
/**
* false means remove these tags
* true means allow these tags
*/
- $rm_tags = array_shift($tag_list);
$curpos = 0;
$open_tags = Array();
- $trusted = "<!-- begin sanitized html -->\n";
+ $trusted = "\n<!-- begin sanitized html -->\n";
$skip_content = false;
/**
* Take care of netscape's stupid javascript entities like
*/
$body = preg_replace("/&(\{.*?\};)/si", "&\\1", $body);
- while (($curtag=sq_getnxtag($body, $curpos)) != FALSE){
+ while (($curtag = sq_getnxtag($body, $curpos)) != FALSE){
list($tagname, $attary, $tagtype, $lt, $gt) = $curtag;
$free_content = substr($body, $curpos, $lt-$curpos);
/**
* Take care of <style>
*/
- if ($tagname == "style" && $tagtype == 2){
- /**
- * This is a closing </style>. Edit the
- * content before we apply it.
- */
- $free_content = sq_fixstyle($message, $id, $free_content);
+ if ($tagname == "style" && $tagtype == 1){
+ list($free_content, $curpos) =
+ sq_fixstyle($body, $gt+1, $message, $id, $mailbox);
+ if ($free_content != FALSE){
+ $trusted .= sq_tagprint($tagname, $attary, $tagtype);
+ $trusted .= $free_content;
+ $trusted .= sq_tagprint($tagname, false, 2);
+ }
+ continue;
}
if ($skip_content == false){
$trusted .= $free_content;
- } else {
}
if ($tagname != FALSE){
if ($tagtype == 2){
if ($skip_content == false){
if ($tagname == "body"){
$tagname = "div";
+ }
+ if (isset($open_tags{$tagname}) &&
+ $open_tags{$tagname} > 0){
+ $open_tags{$tagname}--;
} else {
- if (isset($open_tags{$tagname}) &&
- $open_tags{$tagname} > 0){
- $open_tags{$tagname}--;
- } else {
- $tagname = false;
- }
+ $tagname = false;
}
- } else {
}
}
} else {
*/
if ($tagtype == 1
&& in_array($tagname, $self_closing_tags)){
- $tagtype=3;
+ $tagtype = 3;
}
/**
* See if we should skip this tag and any content
in_array($tagname, $rm_tags_with_content)){
$skip_content = $tagname;
} else {
- if (($rm_tags == false
+ if (($rm_tags == false
&& in_array($tagname, $tag_list)) ||
($rm_tags == true &&
!in_array($tagname, $tag_list))){
$tagname = false;
} else {
+ /**
+ * Convert body into div.
+ */
+ if ($tagname == "body"){
+ $tagname = "div";
+ $attary = sq_body2div($attary, $mailbox,
+ $message, $id);
+ }
if ($tagtype == 1){
if (isset($open_tags{$tagname})){
$open_tags{$tagname}++;
$add_attr_to_tag,
$message,
$id,
- $mailbox
+ $mailbox
);
}
- /**
- * Convert body into div.
- */
- if ($tagname == "body"){
- $tagname = "div";
- $attary = sq_body2div($attary, $message, $id);
- }
}
}
- } else {
}
}
if ($tagname != false && $skip_content == false){
$trusted .= sq_tagprint($tagname, $attary, $tagtype);
}
- } else {
}
$curpos = $gt+1;
}
* @param $id the id of the message
* @return a string with html safe to display in the browser.
*/
-function magicHTML($body, $id, $message, $mailbox = 'INBOX'){
+function magicHTML($body, $id, $message, $mailbox = 'INBOX') {
global $attachment_common_show_images, $view_unsafe_images,
- $has_unsafe_images;
+ $has_unsafe_images;
/**
* Don't display attached images in HTML mode.
*/
"html",
"head",
"base",
- "link"
+ "link",
+ "frame",
+ "iframe",
+ "plaintext",
+ "marquee"
);
$rm_tags_with_content = Array(
"script",
"applet",
"embed",
- "title"
+ "title",
+ "frameset",
+ "xml"
);
$self_closing_tags = Array(
"input"
);
- $force_tag_closing = false;
+ $force_tag_closing = true;
$rm_attnames = Array(
"/.*/" =>
Array(
- "/target/si",
- "/^on.*/si",
- "/^dynsrc/si",
- "/^data.*/si"
+ "/target/i",
+ "/^on.*/i",
+ "/^dynsrc/i",
+ "/^data.*/i",
+ "/^lowsrc.*/i"
)
);
"/^src|background/i" =>
Array(
Array(
- "|^([\'\"])\s*\.\./.*([\'\"])|si",
"/^([\'\"])\s*\S+script\s*:.*([\'\"])/si",
- "/^([\'\"])\s*mocha\s*:*.*([\'\"])/si",
- "/^([\'\"])\s*about\s*:.*([\'\"])/si"
+ "/^([\'\"])\s*mocha\s*:*.*([\'\"])/si",
+ "/^([\'\"])\s*about\s*:.*([\'\"])/si"
),
Array(
"\\1$secremoveimg\\2",
"\\1$secremoveimg\\2",
- "\\1$secremoveimg\\2",
- "\\1$secremoveimg\\2"
+ "\\1$secremoveimg\\2",
+ "\\1$secremoveimg\\2"
)
),
"/^href|action/i" =>
Array(
Array(
- "|^([\'\"])\s*\.\./.*([\'\"])|si",
"/^([\'\"])\s*\S+script\s*:.*([\'\"])/si",
- "/^([\'\"])\s*mocha\s*:*.*([\'\"])/si",
- "/^([\'\"])\s*about\s*:.*([\'\"])/si"
+ "/^([\'\"])\s*mocha\s*:*.*([\'\"])/si",
+ "/^([\'\"])\s*about\s*:.*([\'\"])/si"
),
Array(
- "\\1#\\2",
- "\\1#\\2",
- "\\1#\\2",
- "\\1#\\2"
+ "\\1#\\1",
+ "\\1#\\1",
+ "\\1#\\1",
+ "\\1#\\1"
)
),
- "/^style/si" =>
+ "/^style/i" =>
Array(
Array(
- "/expression/si",
- "/binding/si",
- "/behaviou*r/si",
- "|url\(([\'\"])\s*\.\./.*([\'\"])\)|si",
- "/url\(([\'\"])\s*\S+script\s*:.*([\'\"])\)/si",
- "/url\(([\'\"])\s*mocha\s*:.*([\'\"])\)/si",
- "/url\(([\'\"])\s*about\s*:.*([\'\"])\)/si"
+ "/expression/i",
+ "/binding/i",
+ "/behaviou*r/i",
+ "/include-source/i",
+ "/url\s*\(\s*([\'\"])\s*\S+script\s*:.*([\'\"])\s*\)/si",
+ "/url\s*\(\s*([\'\"])\s*mocha\s*:.*([\'\"])\s*\)/si",
+ "/url\s*\(\s*([\'\"])\s*about\s*:.*([\'\"])\s*\)/si"
),
Array(
"idiocy",
- "idiocy",
- "idiocy",
- "url(\\1#\\2)",
- "url(\\1#\\2)",
- "url(\\1#\\2)",
- "url(\\1#\\2)"
+ "idiocy",
+ "idiocy",
+ "idiocy",
+ "url(\\1#\\1)",
+ "url(\\1#\\1)",
+ "url(\\1#\\1)",
+ "url(\\1#\\1)"
)
)
)
);
+ if( !sqgetGlobalVar('view_unsafe_images', $view_unsafe_images, SQ_GET) ) {
+ $view_unsafe_images = false;
+ }
if (!$view_unsafe_images){
/**
* Remove any references to http/https if view_unsafe_images set
array_push($bad_attvals{'/.*/'}{'/^src|background/i'}[0],
'/^([\'\"])\s*https*:.*([\'\"])/si');
array_push($bad_attvals{'/.*/'}{'/^src|background/i'}[1],
- "\\1$secremoveimg\\2");
- array_push($bad_attvals{'/.*/'}{'/^style/si'}[0],
+ "\\1$secremoveimg\\1");
+ array_push($bad_attvals{'/.*/'}{'/^style/i'}[0],
'/url\(([\'\"])\s*https*:.*([\'\"])\)/si');
- array_push($bad_attvals{'/.*/'}{'/^style/si'}[1],
- "url(\\1$secremoveimg\\2)");
+ array_push($bad_attvals{'/.*/'}{'/^style/i'}[1],
+ "url(\\1$secremoveimg\\1)");
}
$add_attr_to_tag = Array(
- "/^a$/si" => Array('target'=>'"_new"')
- );
- $trusted = sq_sanitize($body,
- $tag_list,
+ "/^a$/i" =>
+ Array('target'=>'"_new"',
+ 'title'=>'"'._("This external link will open in a new window").'"'
+ )
+ );
+ $trusted = sq_sanitize($body,
+ $tag_list,
$rm_tags_with_content,
$self_closing_tags,
$force_tag_closing,
$add_attr_to_tag,
$message,
$id,
- $mailbox
+ $mailbox
);
- if (preg_match("|$secremoveimg|si", $trusted)){
+ if (preg_match("|$secremoveimg|i", $trusted)){
$has_unsafe_images = true;
- }
+ }
return $trusted;
}
+/**
+ * function SendDownloadHeaders - send file to the browser
+ *
+ * Original Source: SM core src/download.php
+ * moved here to make it available to other code, and separate
+ * front end from back end functionality.
+ *
+ * @param string $type0 first half of mime type
+ * @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 $filesize optional, send the Content-Header and length to the browser
+ * @return void
+ */
+ function SendDownloadHeaders($type0, $type1, $filename, $force, $filesize=0) {
+ global $languages, $squirrelmail_language;
+ $isIE = $isIE6 = 0;
+
+ sqgetGlobalVar('HTTP_USER_AGENT', $HTTP_USER_AGENT, SQ_SERVER);
+
+ if (strstr($HTTP_USER_AGENT, 'compatible; MSIE ') !== false &&
+ strstr($HTTP_USER_AGENT, 'Opera') === false) {
+ $isIE = 1;
+ }
+
+ if (strstr($HTTP_USER_AGENT, 'compatible; MSIE 6') !== false &&
+ strstr($HTTP_USER_AGENT, 'Opera') === false) {
+ $isIE6 = 1;
+ }
+
+ if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ $filename =
+ $languages[$squirrelmail_language]['XTRA_CODE']('downloadfilename', $filename, $HTTP_USER_AGENT);
+ } else {
+ $filename = ereg_replace('[\\/:\*\?"<>\|;]', '_', str_replace(' ', ' ', $filename));
+ }
+
+ // A Pox on Microsoft and it's Office!
+ if (!$force) {
+ // Try to show in browser window
+ header("Content-Disposition: inline; filename=\"$filename\"");
+ header("Content-Type: $type0/$type1; name=\"$filename\"");
+ } else {
+ // Try to pop up the "save as" box
+ // IE makes this hard. It pops up 2 save boxes, or none.
+ // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
+ // But, accordint to Microsoft, it is "RFC compliant but doesn't
+ // take into account some deviations that allowed within the
+ // specification." Doesn't that mean RFC non-compliant?
+ // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
+ //
+ // The best thing you can do for IE is to upgrade to the latest
+ // version
+ if ($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\"");
+
+ // 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=\"$filename\"");
+ }
+ }
+
+ //send the content-length header if the calling function provides it
+ if ($filesize > 0) {
+ header("Content-Length: $filesize");
+ }
+
+ } // end fn SendDownlaodHeaders
+
?>