/** mime.php
**
** This contains the functions necessary to detect and decode MIME messages.
**/
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, $type1, &$entities) {
if ($type0 == "multipart") {
$bound = trim($bound);
$i = 0;
while (($i < count($body)) && (substr($body[$i], 0, strlen("--$bound--")) != "--$bound--")) {
if (trim($body[$i]) == "--$bound") {
$j = $i+1;
$p = 0;
/** Lets find the header for this entity **/
/** If the first line after the boundary is blank, we use default values **/
if (trim($body[$j]) == "") {
$ent_type0 = "text";
$ent_type1 = "plain";
$charset = "us-ascii";
$j++;
/** If the first line ISNT blank, read in the header for this entity **/
} else {
while ((substr(trim($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, $filename);
}
/** OK, we have the header information, now lets decide what to do with it **/
if ($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, $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 {
/** 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 $entities;
}
/** This gets one entity's properties **/
function getEntity($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 = $i;
return true;
}
/** Check on type0 and type1 **/
} else {
if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) && ($message["ENTITIES"][$i]["TYPE1"] == $type1) ) {
$ent_num = $i;
return true;
}
}
}
return false;
}
/** 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"]);
} else if (containsType($message, "text", "plain", $ent_num)) {
$body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
}
// 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"]);
} else if (containsType($message, "message", "any_type", $ent_num)) {
$body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
}
}
/** 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);
$body .= "
";
/** Display the ATTACHMENTS: message if there's more than one part **/
if (count($message["ENTITIES"]) > 1) {
$body .= "
"; $body .= "ATTACHMENTS:"; $body .= " |
";
$num = 0;
for ($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 .= " " . $display_filename . " (TYPE: $type0/$type1) "; } $body .= " |