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@@ -10,116 +10,340 @@
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if (!isset($i18n_php))
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include "../functions/i18n.php";
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+ if (!isset($imap_php))
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+ include "../functions/imap.php";
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+ if (!isset($config_php))
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+ include "../config/config.php";
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+
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+
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+ /** Setting up the object that has the structure for the message **/
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+
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+ class msg_header {
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+ /** msg_header contains generic variables for values that **/
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+ /** could be in a header. **/
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+
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+ var $type0, $type1, $boundary, $charset, $encoding;
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+ var $to, $from, $date, $cc, $bcc, $reply_to, $subject;
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+ var $id, $mailbox;
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+ var $entity_id;
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+ }
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+
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+ class message {
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+ /** message is the object that contains messages. It is a recursive
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+ object in that through the $entities variable, it can contain
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+ more objects of type message. See documentation in mime.txt for
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+ a better description of how this works.
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+ **/
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+ var $header;
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+ var $entities;
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+
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+ function addEntity ($msg) {
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+ $this->entities[count($this->entities)] = $msg;
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+ }
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+ }
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- /** This is the first function called. It decides if this is a multipart
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- message or if it should be handled as a single entity
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- **/
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- function decodeMime($body, $bound, $type0, $type1, $encoding, $charset, &$entities) {
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- if ($type0 == "multipart") {
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- $bound = trim($bound);
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- $i = 0;
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- while (($i < count($body)) && (substr($body[$i], 0, strlen("--$bound--")) != "--$bound--")) {
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- if (trim($body[$i]) == "--$bound") {
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- $j = $i+1;
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- $p = 0;
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-
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- /** Lets find the header for this entity **/
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- /** If the first line after the boundary is blank, we
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- use default values **/
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- if (trim($body[$j]) == "") {
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- $ent_type0 = "text";
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- $ent_type1 = "plain";
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- $charset = "us-ascii";
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- $j++;
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- /** If the first line ISNT blank, read in the header
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- for this entity **/
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- } else {
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- while ((substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") && (trim($body[$j]) != "")) {
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- $entity_header[$p] = $body[$j];
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- $j++;
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- $p++;
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- }
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- /** All of these values are getting passed back to us **/
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- sqimap_get_entity_header($imapConnection, $entity_header, $ent_type0, $ent_type1, $ent_bound, $encoding, $charset, $filename);
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- }
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- /** OK, we have the header information, now lets decide
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- what to do with it **/
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- if ($ent_type0 == "multipart") {
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- $y = 0;
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- while (substr($body[$j], 0, strlen("--$bound--")) != "--$bound--") {
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- $ent_body[$y] = $body[$j];
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- $y++;
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- $j++;
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- }
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- $ent = decodeMime($ent_body, $ent_bound, $ent_type0, $ent_type1, $charset, $entities);
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- $entities = $ent;
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- } else {
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- $j++;
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- $entity_body = "";
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- while (substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") {
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- $entity_body .= $body[$j];
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- $j++;
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- }
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- $count = count($entities);
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- $entities[$count] = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset, $filename);
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- }
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+ /* --------------------------------------------------------------------------------- */
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+ /* MIME DECODING */
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+ /* --------------------------------------------------------------------------------- */
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+
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+ /** This function gets the structure of a message and stores it in the "message" class.
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+ It will return this object for use with all relevant header information and
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+ fully parsed into the standard "message" object format.
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+ **/
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+ function mime_structure ($imap_stream, $header) {
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+ sqimap_messages_flag ($imap_stream, $header->id, $header->id, "Seen");
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+
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+ $id = $header->id;
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+ fputs ($imap_stream, "a001 FETCH $id BODYSTRUCTURE\r\n");
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+ $read = sqimap_read_data ($imap_stream, "a001", true, $a, $b);
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+ $read = strtolower($read[0]);
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+
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+ //echo $read."<br><br>";
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+ // isolate the body structure and remove beginning and end parenthesis
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+ $read = trim(substr ($read, strpos($read, "bodystructure") + 13));
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+ $read = trim(substr ($read, 0, -2));
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+ $read = trim(substr ($read, 1));
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+
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+ $msg = mime_parse_structure ($read);
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+ $msg->header = $header;
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+ return $msg;
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+ }
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+
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+ function mime_parse_structure ($structure, $ent_id) {
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+ //echo "<font color=008800><tt>START: mime_parse_structure()</tt></font><br>";
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+ $msg = new message();
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+ if (substr($structure, 0, 1) == "(") {
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+ $ent_id = mime_new_element_level($ent_id);
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+ $start = $end = -1;
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+ do {
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+ //echo "<font color=008800><tt>Found entity...</tt></font><br>";
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+ $start = $end+1;
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+ $end = mime_match_parenthesis ($start, $structure);
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+
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+ $element = substr($structure, $start+1, ($end - $start)-1);
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+ $ent_id = mime_increment_id($ent_id);
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+ $newmsg = mime_parse_structure ($element, $ent_id);
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+ $msg->addEntity ($newmsg);
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+ } while (substr($structure, $end+1, 1) == "(");
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+ } else {
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+ // parse the elements
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+ //echo "<br><font color=0000aa><tt>$structure</tt></font><br>";
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+ $msg->header = new msg_header();
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+ $msg->header = mime_get_element (&$structure, $header);
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+ $msg->header->entity_id = $ent_id;
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+ //echo "<br>";
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+ }
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+ return $msg;
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+ //echo "<font color=008800><tt> END: mime_parse_structure()</tt></font><br>";
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+ }
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+
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+ // Increments the element ID. An element id can look like any of
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+ // the following: 1, 1.2, 4.3.2.4.1, etc. This function increments
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+ // the last number of the element id, changing 1.2 to 1.3.
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+ function mime_increment_id ($id) {
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+ if (strpos($id, ".")) {
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+ $first = substr($id, 0, strrpos($id, "."));
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+ $last = substr($id, strlen($id) - strlen($first));
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+ $last++;
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+ $new = $first . $last;
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+ } else {
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+ $new = $id + 1;
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+ }
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+ return $new;
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+ }
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+
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+ // See comment for mime_increment_id().
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+ // This adds another level on to the entity_id changing 1.3 to 1.3.0
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+ // NOTE: 1.3.0 is not a valid element ID. It MUST be incremented
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+ // before it can be used. I left it this way so as not to have
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+ // to make a special case if it is the first entity_id. It
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+ // always increments it, and that works fine.
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+ function mime_new_element_level ($id) {
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+ if (!$id)
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+ $id = 0;
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+ else
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+ $id . ".0";
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+ return $id;
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+ }
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+
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+ function mime_get_element (&$structure, $header) {
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+ $elem_num = 1;
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+
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+ while (strlen($structure) > 0) {
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+ $structure = trim($structure);
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+ $char = substr($structure, 0, 1);
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+
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+ if (substr($structure, 0, 3) == "nil") {
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+ $text = "";
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+ $structure = substr($structure, 3);
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+ } else if ($char == "\"") {
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+ // loop through until we find the matching quote, and return that as a string
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+ $pos = 1;
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+ $char = substr($structure, $pos, 1);
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+ while ($char != "\"" && $pos < strlen($structure)) {
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+ $text .= $char;
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+ $pos++;
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+ $char = substr($structure, $pos, 1);
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+ }
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+ $structure = substr($structure, strlen($text) + 2);
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+ } else if ($char == "(") {
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+ // comment me
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+ $end = mime_match_parenthesis (0, $structure);
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+ $sub = substr($structure, 1, $end-1);
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+ $properties = mime_get_props($properties, $sub);
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+ $structure = substr($structure, strlen($sub) + 2);
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+ } else {
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+ // loop through until we find a space or an end parenthesis
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+ $pos = 0;
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+ $char = substr($structure, $pos, 1);
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+ while ($char != " " && $char != ")" && $pos < strlen($structure)) {
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+ $text .= $char;
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+ $pos++;
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+ $char = substr($structure, $pos, 1);
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}
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- $i++;
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+ $structure = substr($structure, strlen($text));
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}
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- } else {
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- /** If this isn't a multipart message **/
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- $j = 0;
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- $entity_body = "";
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- while ($j < count($body)) {
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- $entity_body .= $body[$j];
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- $j++;
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+ //echo "$elem_num : $text<br>";
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+
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+ // This is where all the text parts get put into the header
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+ switch ($elem_num) {
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+ case 1:
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+ $header->type0 = $text;
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+ //echo "<tt>type0 = $text</tt><br>";
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+ break;
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+ case 2:
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+ $header->type1 = $text;
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+ //echo "<tt>type1 = $text</tt><br>";
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+ break;
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+ case 6:
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+ $header->encoding = $text;
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+ //echo "<tt>encoding = $text</tt><br>";
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+ break;
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+ case 7:
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+ $header->size = $text;
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+ //echo "<tt>size = $text</tt><br>";
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+ break;
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+ default:
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+ if ($header->type0 == "text" && $elem_num == 8) {
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+ $header->num_lines = $text;
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+ //echo "<tt>num_lines = $text</tt><br>";
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+ }
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+ break;
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+ }
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+ $elem_num++;
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+ $text = "";
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+ }
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+ // loop through the additional properties and put those in the various headers
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+ for ($i=0; $i < count($properties); $i++) {
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+ $header->{$properties[$i]["name"]} = $properties[$i]["value"];
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+ //echo "<tt>".$properties[$i]["name"]." = " . $properties[$i]["value"] . "</tt><br>";
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+ }
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+ return $header;
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+ }
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+
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+ // I did most of the MIME stuff yesterday (June 20, 2000), but I couldn't
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+ // figure out how to do this part, so I decided to go to bed. I woke up
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+ // in the morning and had a flash of insight. I went to the white-board
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+ // and scribbled it out, then spent a bit programming it, and this is the
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+ // result. Nothing complicated, but I think my brain was fried yesterday.
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+ //
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+ // This gets properties in a nested parenthesisized list. For example,
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+ // this would get passed something like: ("attachment" ("filename" "luke.tar.gz"))
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+ // This returns an array called $props with all paired up properties.
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+ // It ignores the "attachment" for now, maybe that should change later
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+ // down the road. In this case, what is returned is:
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+ // $props[0]["name"] = "filename";
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+ // $props[0]["value"] = "luke.tar.gz";
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+ function mime_get_props ($props, $structure) {
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+ while (strlen($structure) > 0) {
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+ $structure = trim($structure);
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+ $char = substr($structure, 0, 1);
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+
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+ if ($char == "\"") {
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+ $pos = 1;
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+ $char = substr($structure, $pos, 1);
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+ while ($char != "\"" && $pos < strlen($structure)) {
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+ $tmp .= $char;
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+ $pos++;
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+ $char = substr($structure, $pos, 1);
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+ }
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+ $structure = trim(substr($structure, strlen($tmp) + 2));
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+ $char = substr($structure, 0, 1);
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+
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+ if ($char == "\"") {
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+ $pos = 1;
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+ $char = substr($structure, $pos, 1);
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+ while ($char != "\"" && $pos < strlen($structure)) {
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+ $value .= $char;
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+ $pos++;
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+ $char = substr($structure, $pos, 1);
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+ }
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+ $structure = trim(substr($structure, strlen($tmp) + 2));
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+
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+ $k = count($props);
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+ $props[$k]["name"] = $tmp;
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+ $props[$k]["value"] = $value;
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+ } else if ($char == "(") {
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+ $end = mime_match_parenthesis (0, $structure);
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+ $sub = substr($structure, 1, $end-1);
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+ $props = mime_get_props($props, $sub);
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+ $structure = substr($structure, strlen($sub) + 2);
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+ }
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+ return $props;
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+ } else if ($char == "(") {
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+ $end = mime_match_parenthesis (0, $structure);
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+ $sub = substr($structure, 1, $end-1);
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+ $props = mime_get_props($props, $sub);
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+ $structure = substr($structure, strlen($sub) + 2);
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+ } else {
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+ return $props;
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}
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+ }
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+ }
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- $count = count($entities);
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- $entities[$count] = getEntity($entity_body, $bound, $type0, $type1, $encoding, $charset, $filename);
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+ // Matches parenthesis. It will return the position of the matching
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+ // parenthesis in $structure. For instance, if $structure was:
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+ // ("text" "plain" ("val1name", "1") nil ... )
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+ // x x
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+ // then this would return 42 to match up those two.
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+ function mime_match_parenthesis ($pos, $structure) {
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+ $char = substr($structure, $pos, 1);
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+
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+ // ignore all extra characters
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+ while ($pos < strlen($structure)) {
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+ $pos++;
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+ $char = substr($structure, $pos, 1);
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+ if ($char == ")") {
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+ return $pos;
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+ } else if ($char == "(") {
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+ $pos = mime_match_parenthesis ($pos, $structure);
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+ }
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}
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+ }
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- return $entities;
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+ function mime_fetch_body ($imap_stream, $id, $ent_id) {
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+ // do a bit of error correction. If we couldn't find the entity id, just guess
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+ // that it is the first one. That is usually the case anyway.
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+ if (!$ent_id) $ent_id = 1;
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+
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+ fputs ($imap_stream, "a001 FETCH $id BODY[$ent_id]\r\n");
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+ $read = sqimap_read_data ($imap_stream, "a001", true, $a, $b);
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+ for ($i=1; $i < count($read)-1; $i++) {
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+ // This fixes a bug in UW. UW doesn't return what would normall be
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+ // expected from the BODY fetch command. It has an extra line at the
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+ // end. So if the second from the last line is a ), then remove it.
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+ if (trim($read[$i]) == ")" && $i == count($read)-2) {
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+ continue;
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+ }
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+ $text .= $read[$i];
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+ }
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+ return $text;
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}
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- /** This gets one entity's properties **/
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- function getEntity($body, $bound, $type0, $type1, $encoding, $charset, $filename) {
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- $msg["TYPE0"] = $type0;
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- $msg["TYPE1"] = $type1;
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- $msg["ENCODING"] = $encoding;
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- $msg["CHARSET"] = $charset;
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- $msg["FILENAME"] = $filename;
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+ /* -[ END MIME DECODING ]----------------------------------------------------------- */
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- $msg["BODY"] = $body;
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- return $msg;
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- }
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- /** This will check whether or not the message contains a certain type. It
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- searches through all the entities for a match.
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+ /** This is the first function called. It decides if this is a multipart
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+ message or if it should be handled as a single entity
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**/
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- function containsType($message, $type0, $type1, &$ent_num) {
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- $type0 = strtolower($type0);
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- $type1 = strtolower($type1);
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- for ($i = 0; $i < count($message["ENTITIES"]); $i++) {
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- /** Check only on type0 **/
|
|
|
- if ( $type1 == "any_type" ) {
|
|
|
- if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) ) {
|
|
|
- $ent_num = $i;
|
|
|
- return true;
|
|
|
- }
|
|
|
+ function decodeMime ($body, $header) {
|
|
|
+ global $username, $key, $imapServerAddress, $imapPort;
|
|
|
+ $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
|
|
|
+ sqimap_mailbox_select($imap_stream, $header->mailbox);
|
|
|
+
|
|
|
+ return mime_structure ($imap_stream, $header);
|
|
|
+ }
|
|
|
|
|
|
- /** Check on type0 and type1 **/
|
|
|
+ function getEntity ($message, $ent_id) {
|
|
|
+ if ($message) {
|
|
|
+ if ($message->header->entity_id == $ent_id) {
|
|
|
+ return $message;
|
|
|
} else {
|
|
|
- if ( ($message["ENTITIES"][$i]["TYPE0"] == $type0) && ($message["ENTITIES"][$i]["TYPE1"] == $type1) ) {
|
|
|
- $ent_num = $i;
|
|
|
- return true;
|
|
|
+ for ($i = 0; $message->entities[$i]; $i++) {
|
|
|
+ $msg = getEntity ($message->entities[$i], $ent_id);
|
|
|
+ if ($msg)
|
|
|
+ return $msg;
|
|
|
}
|
|
|
- }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function findDisplayEntity ($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]);
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
- return false;
|
|
|
}
|
|
|
|
|
|
/** This returns a parsed string called $body. That string can then
|
|
|
@@ -132,68 +356,70 @@
|
|
|
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"];
|
|
|
- }
|
|
|
- }
|
|
|
+ global $username, $key, $imapServerAddress, $imapPort;
|
|
|
+
|
|
|
+
|
|
|
+ $id = $message->header->id;
|
|
|
+ $urlmailbox = urlencode($message->header->mailbox);
|
|
|
+
|
|
|
+ $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
|
|
|
+ sqimap_mailbox_select($imap_stream, $message->header->mailbox);
|
|
|
+
|
|
|
+ $ent_num = findDisplayEntity ($message);
|
|
|
+ $body = mime_fetch_body ($imap_stream, $id, $ent_num);
|
|
|
|
|
|
/** If there are other types that shouldn't be formatted, add
|
|
|
them here **/
|
|
|
- if ($message["ENTITIES"][$ent_num]["TYPE1"] != "html")
|
|
|
+ //if ($->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($message["ENTITIES"]) > 1) {
|
|
|
+ if ($message->entities) {
|
|
|
$body .= "<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=4 BORDER=0><TR><TD BGCOLOR=\"$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>";
|
|
|
- }
|
|
|
+ /** make this recurisve at some point **/
|
|
|
+ $body .= formatAttachments ($message, $ent_num, $message->header->mailbox, $id);
|
|
|
$body .= "</TD></TR></TABLE>";
|
|
|
}
|
|
|
return $body;
|
|
|
}
|
|
|
|
|
|
+ // A recursive function that returns a list of attachments with links
|
|
|
+ // to where to download these attachments
|
|
|
+ function formatAttachments ($message, $ent_id, $mailbox, $id) {
|
|
|
+ if ($message) {
|
|
|
+ if (!$message->entities) {
|
|
|
+ $type0 = strtolower($message->header->type0);
|
|
|
+ $type1 = strtolower($message->header->type1);
|
|
|
+
|
|
|
+ if ($message->header->entity_id != $ent_id) {
|
|
|
+ $filename = $message->header->filename;
|
|
|
+ if (trim($filename) == "") {
|
|
|
+ $display_filename = "untitled-$ent_id";
|
|
|
+ } else {
|
|
|
+ $display_filename = $filename;
|
|
|
+ }
|
|
|
+
|
|
|
+ $urlMailbox = urlencode($mailbox);
|
|
|
+ $ent = urlencode($message->header->entity_id);
|
|
|
+ $body .= "<TT> <A HREF=\"../src/download.php?passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent\">" . $display_filename . "</A> <SMALL>(TYPE: $type0/$type1)</SMALL></TT><BR>";
|
|
|
+ $num++;
|
|
|
+ }
|
|
|
+ return $body;
|
|
|
+ } else {
|
|
|
+ for ($i = 0; $i < count($message->entities); $i++) {
|
|
|
+ $body .= formatAttachments ($message->entities[$i], $ent_id, $mailbox, $id);
|
|
|
+ }
|
|
|
+ return $body;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
|
|
|
|
|
|
/** this function decodes the body depending on the encoding type. **/
|
Luke Ehresman