X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fmime.php;h=8c4404f59efd99ba0c48ad462c69679928009be0;hb=3d6c7e964247034a8e7c1853d63badc02dcaebdd;hp=98c01ae44999c362bb9ee7599bd62daa3984a5c7;hpb=8a8387dfde3765a3cc221d7fc5960c0f46fca1cb;p=squirrelmail.git
diff --git a/functions/mime.php b/functions/mime.php
index 98c01ae4..8c4404f5 100644
--- a/functions/mime.php
+++ b/functions/mime.php
@@ -4,6 +4,7 @@
** This contains the functions necessary to detect and decode MIME
** messages.
**
+ ** $Id$
**/
$debug_mime = false;
@@ -23,10 +24,11 @@
/** msg_header contains generic variables for values that **/
/** could be in a header. **/
- var $type0, $type1, $boundary, $charset, $encoding;
- var $to, $from, $date, $cc, $bcc, $reply_to, $subject;
- var $id, $mailbox, $description;
- var $entity_id, $message_id;
+ var $type0 = '', $type1 = '', $boundary = '', $charset = '';
+ var $encoding = '', $size = 0, $to = array(), $from = '', $date = '';
+ var $cc = array(), $bcc = array(), $reply_to = '', $subject = '';
+ var $id = 0, $mailbox = '', $description = '', $filename = '';
+ var $entity_id = 0, $message_id = 0, $name = '';
}
class message {
@@ -35,11 +37,11 @@
more objects of type message. See documentation in mime.txt for
a better description of how this works.
**/
- var $header;
- var $entities;
+ var $header = '';
+ var $entities = array();
function addEntity ($msg) {
- $this->entities[count($this->entities)] = $msg;
+ $this->entities[] = $msg;
}
}
@@ -58,13 +60,22 @@
$id = $header->id;
fputs ($imap_stream, "a001 FETCH $id BODYSTRUCTURE\r\n");
+ //
+ // This should use sqimap_read_data instead of reading it itself
+ //
$read = fgets ($imap_stream, 10000);
- $endline = fgets($imap_stream, 1024);
- $read = strtolower($read);
+ $response = substr($read, 0, 4);
+ $bodystructure = "";
+ while ($response != "a001") {
+ $bodystructure .= $read;
+ $read = fgets ($imap_stream, 10000);
+ $response = substr($read, 0, 4);
+ }
+ $read = $bodystructure;
- if ($debug_mime) echo "$read
";
+ if ($debug_mime) echo "$read
\n";
// isolate the body structure and remove beginning and end parenthesis
- $read = trim(substr ($read, strpos($read, "bodystructure") + 13));
+ $read = trim(substr ($read, strpos(strtolower($read), "bodystructure") + 13));
$read = trim(substr ($read, 0, -1));
$end = mime_match_parenthesis(0, $read);
while ($end == strlen($read)-1) {
@@ -73,9 +84,9 @@
$end = mime_match_parenthesis(0, $read);
}
- if ($debug_mime) echo "$read
";
+ if ($debug_mime) echo "$read
\n";
- $msg = mime_parse_structure ($read);
+ $msg = mime_parse_structure ($read, 0);
$msg->header = $header;
return $msg;
}
@@ -89,7 +100,7 @@
// to mime_get_elements()
function mime_parse_structure ($structure, $ent_id) {
global $debug_mime;
- if ($debug_mime) echo "START: mime_parse_structure()
";
+ if ($debug_mime) echo "START: mime_parse_structure()
\n";
$msg = new message();
if (substr($structure, 0, 1) == "(") {
$ent_id = mime_new_element_level($ent_id);
@@ -108,7 +119,7 @@
} else {
// parse the elements
if ($debug_mime) echo "
$structure
";
- $msg = mime_get_element (&$structure, $msg, $ent_id);
+ $msg = mime_get_element ($structure, $msg, $ent_id);
if ($debug_mime) echo "
";
}
return $msg;
@@ -150,18 +161,20 @@
$elem_num = 1;
$msg->header = new msg_header();
$msg->header->entity_id = $ent_id;
+ $properties = array();
while (strlen($structure) > 0) {
$structure = trim($structure);
$char = substr($structure, 0, 1);
- if (substr($structure, 0, 3) == "nil") {
+ if (strtolower(substr($structure, 0, 3)) == "nil") {
$text = "";
$structure = substr($structure, 3);
} else if ($char == "\"") {
// loop through until we find the matching quote, and return that as a string
$pos = 1;
$char = substr($structure, $pos, 1);
+ $text = "";
while ($char != "\"" && $pos < strlen($structure)) {
$text .= $char;
$pos++;
@@ -178,6 +191,7 @@
// loop through until we find a space or an end parenthesis
$pos = 0;
$char = substr($structure, $pos, 1);
+ $text = "";
while ($char != " " && $char != ")" && $pos < strlen($structure)) {
$text .= $char;
$pos++;
@@ -190,20 +204,20 @@
// This is where all the text parts get put into the header
switch ($elem_num) {
case 1:
- $msg->header->type0 = $text;
- if ($debug_mime) echo "type0 = $text
";
+ $msg->header->type0 = strtolower($text);
+ if ($debug_mime) echo "type0 = ".strtolower($text)."
";
break;
case 2:
- $msg->header->type1 = $text;
- if ($debug_mime) echo "type1 = $text
";
+ $msg->header->type1 = strtolower($text);
+ if ($debug_mime) echo "type1 = ".strtolower($text)."
";
break;
case 5:
$msg->header->description = $text;
if ($debug_mime) echo "description = $text
";
break;
case 6:
- $msg->header->encoding = $text;
- if ($debug_mime) echo "encoding = $text
";
+ $msg->header->encoding = strtolower($text);
+ if ($debug_mime) echo "encoding = ".strtolower($text)."
";
break;
case 7:
$msg->header->size = $text;
@@ -255,6 +269,7 @@
if ($debug_mime) echo "".$properties[$i]["name"]." = " . $properties[$i]["value"] . "
";
}
}
+
return $msg;
}
@@ -281,6 +296,7 @@
if ($char == "\"") {
$pos = 1;
$char = substr($structure, $pos, 1);
+ $tmp = "";
while ($char != "\"" && $pos < strlen($structure)) {
$tmp .= $char;
$pos++;
@@ -292,6 +308,7 @@
if ($char == "\"") {
$pos = 1;
$char = substr($structure, $pos, 1);
+ $value = "";
while ($char != "\"" && $pos < strlen($structure)) {
$value .= $char;
$pos++;
@@ -300,11 +317,13 @@
$structure = trim(substr($structure, strlen($tmp) + 2));
$k = count($props);
- $props[$k]["name"] = $tmp;
+ $props[$k]["name"] = strtolower($tmp);
$props[$k]["value"] = $value;
} else if ($char == "(") {
$end = mime_match_parenthesis (0, $structure);
$sub = substr($structure, 1, $end-1);
+ if (! isset($props))
+ $props = array();
$props = mime_get_props($props, $sub);
$structure = substr($structure, strlen($sub) + 2);
}
@@ -330,15 +349,31 @@
$char = substr($structure, $pos, 1);
// ignore all extra characters
+ // If inside of a string, skip string -- Boundary IDs and other
+ // things can have ) in them.
+ if ($char != '(')
+ return strlen($structure);
while ($pos < strlen($structure)) {
$pos++;
$char = substr($structure, $pos, 1);
if ($char == ")") {
return $pos;
+ } else if ($char == '"') {
+ $pos ++;
+ while (substr($structure, $pos, 1) != '"' &&
+ $pos < strlen($structure)) {
+ if (substr($structure, $pos, 2) == '\\"')
+ $pos ++;
+ elseif (substr($structure, $pos, 2) == '\\\\')
+ $pos ++;
+ $pos ++;
+ }
} else if ($char == "(") {
$pos = mime_match_parenthesis ($pos, $structure);
}
}
+ echo "Error decoding mime structure. Report this as a bug!
\n";
+ return $pos;
}
function mime_fetch_body ($imap_stream, $id, $ent_id) {
@@ -346,12 +381,59 @@
// that it is the first one. That is usually the case anyway.
if (!$ent_id) $ent_id = 1;
+ fputs ($imap_stream, "a010 FETCH $id BODY[$ent_id]\r\n");
+ $data = sqimap_read_data ($imap_stream, 'a010', true, $response, $message);
+ $topline = array_shift($data);
+ while (! ereg('\\* [0-9]+ FETCH ', $topline) && data)
+ $topline = array_shift($data);
+ $wholemessage = implode('', $data);
+
+ if (ereg('\\{([^\\}]*)\\}', $topline, $regs)) {
+ return substr($wholemessage, 0, $regs[1]);
+ }
+ else if (ereg('"([^"]*)"', $topline, $regs)) {
+ return $regs[1];
+ }
+
+ $str = "Body retrival error. Please report this bug!\n";
+ $str .= "Response: $response\n";
+ $str .= "Message: $message\n";
+ $str .= "FETCH line: $topline";
+ $str .= "---------------\n$wholemessage";
+ foreach ($data as $d)
+ {
+ $str .= htmlspecialchars($d) . "\n";
+ }
+ return $str;
+
+ return "Body retrival error, please report this bug!\n\nTop line is \"$topline\"\n";
+ }
+
+ function mime_print_body_lines ($imap_stream, $id, $ent_id, $encoding) {
+ // do a bit of error correction. If we couldn't find the entity id, just guess
+ // that it is the first one. That is usually the case anyway.
+ if (!$ent_id) $ent_id = 1;
+
fputs ($imap_stream, "a001 FETCH $id BODY[$ent_id]\r\n");
- $topline = fgets ($imap_stream, 1024);
- $size = substr ($topline, strpos($topline, "{")+1);
- $size = substr ($size, 0, strpos($size, "}"));
- $read = fread ($imap_stream, $size);
- return $read;
+ $cnt = 0;
+ $continue = true;
+ $read = fgets ($imap_stream,4096);
+ while (!ereg("^a001 (OK|BAD|NO)(.*)$", $read, $regs)) {
+ if (trim($read) == ")==") {
+ $read1 = $read;
+ $read = fgets ($imap_stream,4096);
+ if (ereg("^a001 (OK|BAD|NO)(.*)$", $read, $regs)) {
+ return;
+ } else {
+ echo decodeBody($read1, $encoding);
+ echo decodeBody($read, $encoding);
+ }
+ } else if ($cnt) {
+ echo decodeBody($read, $encoding);
+ }
+ $read = fgets ($imap_stream,4096);
+ $cnt++;
+ }
}
/* -[ END MIME DECODING ]----------------------------------------------------------- */
@@ -361,7 +443,7 @@
/** This is the first function called. It decides if this is a multipart
message or if it should be handled as a single entity
**/
- function decodeMime ($imap_stream, $body, $header) {
+ function decodeMime ($imap_stream, &$header) {
global $username, $key, $imapServerAddress, $imapPort;
return mime_structure ($imap_stream, $header);
}
@@ -386,7 +468,7 @@
if ($message->header->entity_id == $ent_id && strlen($ent_id) == strlen($message->header->entity_id)) {
return $message;
} else {
- for ($i = 0; $message->entities[$i]; $i++) {
+ for ($i = 0; isset($message->entities[$i]); $i++) {
$msg = getEntity ($message->entities[$i], $ent_id);
if ($msg)
return $msg;
@@ -397,19 +479,48 @@
// figures out what entity to display and returns the $message object
// for that entity.
- function findDisplayEntity ($message) {
- if ($message) {
- if ($message->header->type0 == "text") {
- if ($message->header->type1 == "plain" ||
- $message->header->type1 == "html") {
- return $message->header->entity_id;
- }
- } else {
- for ($i=0; $message->entities[$i]; $i++) {
- return findDisplayEntity($message->entities[$i]);
- }
- }
- }
+ function findDisplayEntity ($message, $textOnly = 1, $next = 'none')
+ {
+ global $show_html_default;
+
+ if (! $message)
+ return;
+
+ // Show text/plain or text/html -- the first one we find.
+ if ($message->header->type0 == 'text' &&
+ ($message->header->type1 == 'plain' ||
+ $message->header->type1 == 'html'))
+ {
+ // If the next part is an HTML version, this will
+ // all be true. Show it, if the user so desires.
+ // HTML mails this way all have entity_id of 2. 1 = text/plain
+ if ($next != 'none' &&
+ $textOnly == 0 &&
+ $next->header->type0 == "text" &&
+ $next->header->type1 == "html" &&
+ $next->header->entity_id == 2 &&
+ $message->header->type1 == "plain" &&
+ isset($show_html_default) &&
+ $show_html_default)
+ $message = $next;
+
+ if (isset($message->header->entity_id))
+ return $message->header->entity_id;
+ }
+ else
+ {
+ for ($i=0; isset($message->entities[$i]); $i++)
+ {
+ $next = 'none';
+ if (isset($message->entities[$i + 1]))
+ $next = $message->entities[$i + 1];
+ $entity = findDisplayEntity($message->entities[$i],
+ $textOnly, $next);
+ if ($entity != 0)
+ return $entity;
+ }
+ }
+ return 0;
}
/** This returns a parsed string called $body. That string can then
@@ -421,33 +532,36 @@
// 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 $username, $key, $imapServerAddress, $imapPort;
+ global $startMessage, $username, $key, $imapServerAddress, $imapPort;
$id = $message->header->id;
$urlmailbox = urlencode($message->header->mailbox);
- $ent_num = findDisplayEntity ($message);
- $body = mime_fetch_body ($imap_stream, $id, $ent_num);
- $body = decodeBody($body, $message->header->encoding);
-
- // If there are other types that shouldn't be formatted, add
- // them here
- if ($message->header->type1 != "html") {
- $body = translateText($body, $wrap_at, $message->header->charset);
- }
-
- $body .= "
";
-
- /** Display the ATTACHMENTS: message if there's more than one part **/
- if ($message->entities) {
- $body .= "
"; - $body .= "ATTACHMENTS:"; - $body .= " |
";
- $num = 0;
-
- /** make this recurisve at some point **/
- $body .= formatAttachments ($message, $ent_num, $message->header->mailbox, $id);
+ // Get the right entity and redefine message to be this entity
+ // Pass the 0 to mean that we want the 'best' viewable one
+ $ent_num = findDisplayEntity ($message, 0);
+ $body_message = getEntity($message, $ent_num);
+ if (($body_message->header->type0 == "text") ||
+ ($body_message->header->type0 == "rfc822")) {
+
+ $body = mime_fetch_body ($imap_stream, $id, $ent_num);
+ $body = decodeBody($body, $body_message->header->encoding);
+
+ // If there are other types that shouldn't be formatted, add
+ // them here
+ if ($body_message->header->type1 != "html") {
+ translateText($body, $wrap_at, $body_message->header->charset);
+ }
+
+ $body .= " "; + + /** Display the ATTACHMENTS: message if there's more than one part **/ $body .= " |
\n"; + $body .= _("Attachments") . ':'; + $body .= " |
---|
\n";
+
+ $body .= " |