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- <?
- /** mime.php
- **
- ** This contains the functions necessary to detect and decode MIME messages.
- **/
- /** 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);
- 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++;
- $p++;
- }
- /** All of these values are getting passed back to us **/
- fetchEntityHeader($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) {
- include ("../config/config.php");
- /** 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"]);
- $body = "";
- if (containsType($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)) {
- $tmpbody = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
- $body .= "<TT>" . nl2br($tmpbody) . "</TT>";
- }
- // add other primary displaying message types here
- else {
- // find any type that's displayable
- if (containsType($message, "text", "any_type", $ent_num)) {
- $tmpbody = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
- $body .= "<TT>" . nl2br($tmpbody) . "</TT>";
- } else if (containsType($message, "message", "any_type", $ent_num)) {
- $tmpbody = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
- $body .= "<TT>" . nl2br($tmpbody) . "</TT>";
- }
- }
- /** If there are other types that shouldn't be formatted, add them here **/
- if ($message["ENTITIES"][$ent_num]["TYPE1"] != "html")
- $body = translateText($body);
- $body .= "<BR><SMALL><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$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") {
- echo "$body";
- $body = ereg_replace("=3D", "=", $body);
- $body = ereg_replace("=\n", "", $body);
- $body = ereg_replace("=20", "\n", $body);
- $newbody= $body;
- } else if ($encoding == "base64") {
- $newbody = base64_decode($body);
- } else {
- $newbody = $body;
- }
- return $newbody;
- }
- ?>
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