-<?
+<?php
/** mime.php
**
- ** This contains the functions necessary to detect and decode MIME messages.
+ ** This contains the functions necessary to detect and decode MIME
+ ** messages.
+ **
**/
+ $mime_php = true;
- function decodeMime($body, $bound, $type0, $type1) {
-// echo "$type0/$type1<BR>";
- if ($type0 == "multipart") {
- if ($body[0] == "")
- $i = 1;
- else
- $i = 0;
+ if (!isset($i18n_php))
+ include "../functions/i18n.php";
+ /** 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($body, $bound, $type0, $type1, $encoding, $charset, &$entities) {
+ if ($type0 == "multipart") {
$bound = trim($bound);
- $bound = "--$bound";
- while ($i < count($body)) {
- if (trim($body[$i]) == $bound) {
- $j = $i + 1;
+ $i = 0;
+ while (($i < count($body)) && (substr($body[$i], 0, strlen("--$bound--")) != "--$bound--")) {
+ if (trim($body[$i]) == "--$bound") {
+ $j = $i+1;
$p = 0;
- while (substr(trim($body[$j]), 0, strlen($bound)) != $bound) {
- $entity_body[$p] = $body[$j];
+ /** Lets find the header for this entity **/
+ /** If the first line after the boundary is blank, we
+ use default values **/
+ if (trim($body[$j]) == "") {
+ $ent_type0 = "text";
+ $ent_type1 = "plain";
+ $charset = "us-ascii";
$j++;
- $p++;
+ /** If the first line ISNT blank, read in the header
+ for this entity **/
+ } else {
+ while ((substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") && (trim($body[$j]) != "")) {
+ $entity_header[$p] = $body[$j];
+ $j++;
+ $p++;
+ }
+ /** All of these values are getting passed back to us **/
+ sqimap_get_entity_header($imapConnection, $entity_header, $ent_type0, $ent_type1, $ent_bound, $encoding, $charset, $filename);
}
- fetchEntityHeader($imapConnection, $entity_body, $ent_type0, $ent_type1, $ent_bound, &$encoding, &$charset);
- $entity = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset);
- $q = count($full_message);
- $full_message[$q] = $entity[0];
+
+ /** OK, we have the header information, now lets decide
+ what to do with it **/
+ if ($ent_type0 == "multipart") {
+ $y = 0;
+ while (substr($body[$j], 0, strlen("--$bound--")) != "--$bound--") {
+ $ent_body[$y] = $body[$j];
+ $y++;
+ $j++;
+ }
+ $ent = decodeMime($ent_body, $ent_bound, $ent_type0, $ent_type1, $charset, $entities);
+ $entities = $ent;
+ } else {
+ $j++;
+ $entity_body = "";
+ while (substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") {
+ $entity_body .= $body[$j];
+ $j++;
+ }
+ $count = count($entities);
+ $entities[$count] = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset, $filename);
+ }
}
$i++;
}
} else {
- $full_message = getEntity($body, $bound, $type0, $type1);
+ /** If this isn't a multipart message **/
+ $j = 0;
+ $entity_body = "";
+ while ($j < count($body)) {
+ $entity_body .= $body[$j];
+ $j++;
+ }
+
+ $count = count($entities);
+ $entities[$count] = getEntity($entity_body, $bound, $type0, $type1, $encoding, $charset, $filename);
}
- return $full_message;
+ return $entities;
}
/** This gets one entity's properties **/
- function getEntity($body, $bound, $type0, $type1, $encoding, $charset) {
-// echo "$type0/$type1<BR>";
- $msg[0]["TYPE0"] = $type0;
- $msg[0]["TYPE1"] = $type1;
- $msg[0]["ENCODING"] = $encoding;
- $msg[0]["CHARSET"] = $charset;
-
- if ($type0 == "text") {
- if ($type1 == "plain") {
- $msg[0]["PRIORITY"] = 10;
- for ($p = 0;$p < count($body);$p++) {
- $msg[0]["BODY"][$p] = parsePlainTextMessage($body[$p]);
+ function getEntity($body, $bound, $type0, $type1, $encoding, $charset, $filename) {
+ $msg["TYPE0"] = $type0;
+ $msg["TYPE1"] = $type1;
+ $msg["ENCODING"] = $encoding;
+ $msg["CHARSET"] = $charset;
+ $msg["FILENAME"] = $filename;
+
+ $msg["BODY"] = $body;
+
+ return $msg;
+ }
+
+ /** This will check whether or not the message contains a certain type. It
+ searches through all the entities for a match.
+ **/
+ function containsType($message, $type0, $type1, &$ent_num) {
+ $type0 = strtolower($type0);
+ $type1 = strtolower($type1);
+ for ($i = 0; $i < count($message["ENTITIES"]); $i++) {
+ /** Check only on type0 **/
+ if ( $type1 == "any_type" ) {
+ if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) ) {
+ $ent_num = $i;
+ return true;
}
- } else if ($type1 == "html") {
- $msg[0]["PRIORITY"] = 20;
- $msg[0]["BODY"] = $body;
+
+ /** Check on type0 and type1 **/
} else {
- $msg[0]["PRIORITY"] = 1;
- $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This attachment is an unknown text format: $type0/$type1</FONT></B>";
+ if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) && ($message["ENTITIES"][$i]["TYPE1"] == $type1) ) {
+ $ent_num = $i;
+ return true;
+ }
}
- } else if ($type0 == "image") {
- $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This is an image. Squirrelmail currently cannot decode images.</FONT></B>";
- } else {
- $msg[0]["BODY"][0] = "<B><FONT COLOR=DD0000>This attachment is of an unknown format: $type0/$type1</FONT></B>";
}
-
- return $msg;
+ return false;
}
- function formatBody($message) {
- for ($i=0; $i < count($message["ENTITIES"]); $i++) {
- if ($message["ENTITIES"][$i]["TYPE0"] == "text") {
- if ($message["ENTITIES"][$i]["PRIORITY"] > $priority)
- $priority = $message["ENTITIES"][$i]["PRIORITY"];
+ /** This returns a parsed string called $body. That string can then
+ be displayed as the actual message in the HTML. It contains
+ everything needed, including HTML Tags, Attachments at the
+ bottom, etc.
+ **/
+ function formatBody($message, $color, $wrap_at) {
+ /** 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.
+ **/
+ $id = $message["INFO"]["ID"];
+ $urlmailbox = urlencode($message["INFO"]["MAILBOX"]);
+
+ if (containsType($message, "text", "html", $ent_num)) {
+ $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+ $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
+ } else if (containsType($message, "text", "plain", $ent_num)) {
+ $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+ $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
+ }
+ // add other primary displaying message types here
+ else {
+ // find any type that's displayable
+ if (containsType($message, "text", "any_type", $ent_num)) {
+ $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+ $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
+ } else if (containsType($message, "message", "any_type", $ent_num)) {
+ $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+ $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
}
}
- for ($i = 0; $i < count($message["ENTITIES"]); $i++) {
- switch ($priority) {
- /** HTML **/
- case 20: for ($i=0; $i < count($message["ENTITIES"]); $i++) {
- if (($message["ENTITIES"][$i]["TYPE0"] == "text") && ($message["ENTITIES"][$i]["TYPE1"] == "html")) {
- $body = decodeBody($message["ENTITIES"][$i]["BODY"], $message["ENTITIES"][$i]["ENCODING"]);
- }
- }
- break;
- /** PLAIN **/
- case 10: for ($i=0; $i < count($message["ENTITIES"]); $i++) {
- if (($message["ENTITIES"][$i]["TYPE0"] == "text") && ($message["ENTITIES"][$i]["TYPE1"] == "plain")) {
- $body = decodeBody($message["ENTITIES"][$i]["BODY"], $message["ENTITIES"][$i]["ENCODING"]);
- }
- }
- break;
- /** UNKNOWN...SEND WHAT WE GOT **/
- case 1: for ($i=0; $i < count($message["ENTITIES"]); $i++) {
- if (($message["ENTITIES"][$i]["TYPE0"] == "text")) {
- $pos = count($body);
- for ($b=0; $b < count($message["ENTITIES"][$i]["BODY"]); $b++) {
- $pos = $pos + $b;
- $body[$pos] = $message["ENTITIES"][$i]["BODY"][$b];
- }
- }
- }
- break;
+ /** If there are other types that shouldn't be formatted, add
+ them here **/
+ if ($message["ENTITIES"][$ent_num]["TYPE1"] != "html")
+ $body = translateText($body, $wrap_at, $charset);
+
+
+ $body .= "<BR><SMALL><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$ent_num&mailbox=$urlmailbox\">". _("Download this as a file") ."</A></CENTER><BR></SMALL>";
+
+ /** Display the ATTACHMENTS: message if there's more than one part **/
+ if (count($message["ENTITIES"]) > 1) {
+ $body .= "<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=4 BORDER=0><TR><TD BGCOLOR=\"$color[0]\">";
+ $body .= "<TT><B>ATTACHMENTS:</B></TT>";
+ $body .= "</TD></TR><TR><TD BGCOLOR=\"$color[0]\">";
+ $num = 0;
+
+ for ($i = 0; $i < count($message["ENTITIES"]); $i++) {
+ /** If we've displayed this entity, go to the next one **/
+ if ($ent_num == $i)
+ continue;
+
+ $type0 = strtolower($message["ENTITIES"][$i]["TYPE0"]);
+ $type1 = strtolower($message["ENTITIES"][$i]["TYPE1"]);
+
+ $num++;
+ $filename = $message["ENTITIES"][$i]["FILENAME"];
+ if (trim($filename) == "") {
+ $display_filename = "untitled$i";
+ } else {
+ $display_filename = $filename;
+ }
+
+ $urlMailbox = urlencode($message["INFO"]["MAILBOX"]);
+ $id = $message["INFO"]["ID"];
+ $body .= "<TT> <A HREF=\"../src/download.php?passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$i\">" . $display_filename . "</A> <SMALL>(TYPE: $type0/$type1)</SMALL></TT><BR>";
}
+ $body .= "</TD></TR></TABLE>";
}
return $body;
}
+
+
+ /** this function decodes the body depending on the encoding type. **/
function decodeBody($body, $encoding) {
$encoding = strtolower($encoding);
- if ($encoding == "us-ascii") {
- $newbody = $body; // if only they all were this easy
- } else if ($encoding == "quoted-printable") {
- for ($q=0; $q < count($body); $q++) {
- if (substr(trim($body[$q]), -1) == "=") {
- $body[$q] = trim($body[$q]);
- $body[$q] = substr($body[$q], 0, strlen($body[$q])-1);
- } else if (substr(trim($body[$q]), -3) == "=20") {
- $body[$q] = trim($body[$q]);
- $body[$q] = substr($body[$q], 0, strlen($body[$q])-3);
- $body[$q] = "$body[$q]\n"; // maybe should be \n.. dunno
- }
+
+ if ($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 $body;
+ }
+
+
+ // This functions decode strings that is encoded according to
+ // RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text).
+ function decodeHeader ($string) {
+ if (eregi('=\?([^?]+)\?(q|b)\?([^?]+)\?=',
+ $string, $res)) {
+ if (ucfirst($res[2]) == "B") {
+ $replace = base64_decode($res[3]);
+ } else {
+ $replace = ereg_replace("_", " ", $res[3]);
+ $replace = quoted_printable_decode($replace);
}
- for ($q=0;$q < count($body);$q++) {
- $body[$q] = ereg_replace("=3D", "=", $body[$q]);
+
+ $replace = charset_decode ($res[1], $replace);
+
+ $string = eregi_replace
+ ('=\?([^?]+)\?(q|b)\?([^?]+)\?=',
+ $replace, $string);
+ // In case there should be more encoding in the string: recurse
+ return (decodeHeader($string));
+ } else
+ return ($string);
+ }
+
+ // Encode a string according to RFC 1522 for use in headers if it
+ // contains 8-bit characters
+ function encodeHeader ($string) {
+ global $default_charset;
+
+ // Encode only if the string contains 8-bit characters
+ if (ereg("[\200-\377]", $string)) {
+ $newstring = "=?$default_charset?Q?";
+ $newstring .= str_replace(" ", "_", $string);
+
+ while (ereg("([\200-\377])", $newstring, $regs)) {
+ $replace = $regs[1];
+ $insert = "=" . bin2hex($replace);
+ $newstring = str_replace($replace, $insert, $newstring);
}
- $newbody = $body;
- } else {
- $newbody = $body;
+
+ $newstring .= "?=";
+
+ return $newstring;
}
- return $newbody;
+
+ return $string;
}
-?>
\ No newline at end of file
+
+?>