284 lines
12 KiB
PHP
284 lines
12 KiB
PHP
<?
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/**
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** imap.php
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**
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** Functions for the IMAP connection
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**
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**/
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/** Read from the connection until we get either an OK or BAD message. **/
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function imapReadData($connection, $pre, $handle_errors, &$response, &$message) {
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require ("../config/config.php");
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$read = fgets($connection, 1024);
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$counter = 0;
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while ((substr($read, 0, strlen("$pre OK")) != "$pre OK") &&
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(substr($read, 0, strlen("$pre BAD")) != "$pre BAD") &&
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(substr($read, 0, strlen("$pre NO")) != "$pre NO")) {
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$data[$counter] = $read;
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$read = fgets($connection, 1024);
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$counter++;
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}
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if (substr($read, 0, strlen("$pre OK")) == "$pre OK") {
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$response = "OK";
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$message = trim(substr($read, strlen("$pre OK"), strlen($read)));
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} else if (substr($read, 0, strlen("$pre BAD")) == "$pre BAD") {
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$response = "BAD";
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$message = trim(substr($read, strlen("$pre BAD"), strlen($read)));
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} else {
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$response = "NO";
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$message = trim(substr($read, strlen("$pre NO"), strlen($read)));
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}
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if ($handle_errors == true) {
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if ($response == "NO") {
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echo "<BR><B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Could not complete request.</B> </FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000> <B>Reason given:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
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exit;
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} else if ($response == "BAD") {
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echo "<BR><B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Bad or malformed request.</B></FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000> <B>Server responded:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
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exit;
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}
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}
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return $data;
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}
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/** Parse the incoming mailbox name and return a string that is the FOLDER.MAILBOX **/
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function findMailboxName($mailbox) {
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$mailbox = trim($mailbox);
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if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") {
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$mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
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$pos = strrpos($mailbox, "\"") + 1;
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$box = substr($mailbox, $pos, strlen($mailbox));
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} else {
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$box = substr($mailbox, strrpos($mailbox, " ")+1, strlen($mailbox));
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}
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return $box;
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}
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/** Finds the delimeter between mailboxes **/
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function findMailboxDelimeter($imapConnection) {
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fputs($imapConnection, ". list \"\" \"\"\n");
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$read = fgets($imapConnection, 1024);
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$pos = strrpos($read, "\"");
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$read = substr($read, 0, $pos);
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$pos = strrpos($read, "\"");
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$read = substr($read, 0, $pos);
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$pos = strrpos($read, "\"");
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$read = substr($read, 0, $pos);
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$pos = strrpos($read, "\"");
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$read = substr($read, $pos+1, strlen($read));
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$tmp = fgets($imapConnection, 1024);
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return $read;
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}
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function getMailboxFlags($mailbox) {
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$mailbox = trim($mailbox);
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$mailbox = substr($mailbox, strpos($mailbox, "(")+1, strlen($mailbox));
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$mailbox = substr($mailbox, 0, strpos($mailbox, ")"));
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$mailbox = str_replace("\\", "", $mailbox);
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$mailbox = strtolower($mailbox);
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$mailbox = explode(" ", $mailbox);
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return $mailbox;
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}
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// handles logging onto an imap server.
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function loginToImapServer($username, $key, $imapServerAddress, $hide) {
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require("../config/config.php");
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$imapConnection = fsockopen($imapServerAddress, 143, &$errorNumber, &$errorString);
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if (!$imapConnection) {
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echo "Error connecting to IMAP Server.<br>";
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echo "$errorNumber : $errorString<br>";
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exit;
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}
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$serverInfo = fgets($imapConnection, 256);
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// login
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fputs($imapConnection, "a001 LOGIN $username $key\n");
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$read = fgets($imapConnection, 1024);
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if ($debug_login == true) {
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echo "SERVER SAYS: $read<BR>";
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}
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/** If the login attempt was UNsuccessful, lets see why **/
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if (substr($read, 0, 7) != "a001 OK") {
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if (!$hide) {
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if (substr($read, 0, 8) == "a001 BAD") {
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echo "Bad request: $read<BR>";
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exit;
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}
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else if (substr($read, 0, 7) == "a001 NO") {
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echo "<HTML><BODY BGCOLOR=FFFFFF><BR>";
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echo "<TABLE COLS=1 WIDTH=70% NOBORDER BGCOLOR=FFFFFF ALIGN=CENTER>";
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echo " <TR>";
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echo " <TD BGCOLOR=\"DCDCDC\">";
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echo " <FONT FACE=\"Arial,Helvetica\" COLOR=CC0000><B><CENTER>ERROR</CENTER></B></FONT>";
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echo " </TD></TR><TR><TD>";
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echo " <CENTER><FONT FACE=\"Arial,Helvetica\"><BR>Unknown user or password incorrect.<BR><A HREF=\"login.php\" TARGET=_top>Click here to try again</A>.</FONT></CENTER>";
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echo " </TD></TR>";
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echo "</TABLE>";
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echo "</BODY></HTML>";
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exit;
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}
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else {
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echo "Unknown error: $read<BR>";
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exit;
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}
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} else {
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exit;
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}
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}
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return $imapConnection;
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}
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/** must be sent in the form: user.<USER>.<FOLDER> **/
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function createFolder($imapConnection, $folder, $type) {
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require ("../config/config.php");
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if (strtolower($type) == "noselect") {
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$dm = findMailboxDelimeter($imapConnection);
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$folder = "$folder$dm";
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} else {
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$folder = "$folder";
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}
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fputs($imapConnection, "1 create \"$folder\"\n");
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$data = imapReadData($imapConnection, "1", false, $response, $message);
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if ($response == "NO") {
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echo "<BR><B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Could not complete request.</B> </FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000> <B>Reason given:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
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echo "<FONT FACE=\"Arial,Helvetica\">Possible solutions:<BR><LI>You may need to specify that the folder is a subfolder of INBOX</LI>";
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echo "<LI>Try renaming the folder to something different.</LI>";
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exit;
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} else if ($response == "BAD") {
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echo "<B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Bad or malformed request.</B></FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000> <B>Server responded:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
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exit;
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}
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}
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function removeFolder($imapConnection, $folder) {
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fputs($imapConnection, "1 delete \"$folder\"\n");
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$data = imapReadData($imapConnection, "1", false, $response, $message);
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if ($response == "NO") {
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echo "<FONT FACE=\"Arial,Helvetica\" COLOR=FF0000><B>ERROR</B>: Could not delete the folder $folder.</FONT>";
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echo "<FONT FACE=\"Arial,Helvetica\" COLOR=\"$color[8]\">Probable causes:</FONT><BR>";
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echo "<FONT FACE=\"Arial,Helvetica\" COLOR=\"$color[8]\"><LI>This folder may contain subfolders. Delete all subfolders first</LI></FONT>";
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exit;
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} else if ($response == "BAD") {
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echo "<B><FONT COLOR=FF0000>ERROR</FONT><FONT COLOR=CC0000>: Bad or malformed request.</B></FONT><BR><FONT COLOR=CC0000> <B>Server responded:</B> $message</FONT><BR><BR>";
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exit;
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}
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}
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/** Sends back two arrays, boxesFormatted and boxesUnformatted **/
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function getFolderList($imapConnection, &$boxes) {
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require ("../config/config.php");
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fputs($imapConnection, "1 list \"\" *\n");
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$str = imapReadData($imapConnection, "1", true, $response, $message);
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$dm = findMailboxDelimeter($imapConnection);
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$g = 0;
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for ($i = 0;$i < count($str); $i++) {
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$mailbox = chop($str[$i]);
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if (substr(findMailboxName($mailbox), 0, 1) != ".") {
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$boxes[$g]["RAW"] = $mailbox;
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$mailbox = findMailboxName($mailbox);
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$periodCount = countCharInString($mailbox, $dm);
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// indent the correct number of spaces.
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for ($j = 0;$j < $periodCount;$j++)
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$boxes[$g]["FORMATTED"] = $boxes[$g]["FORMATTED"] . " ";
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$boxes[$g]["FORMATTED"] = $boxes[$g]["FORMATTED"] . readShortMailboxName($mailbox, $dm);
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$boxes[$g]["UNFORMATTED"] = $mailbox;
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$boxes[$g]["ID"] = $g;
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$g++;
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}
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}
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$original = $boxes;
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for ($i = 0; $i < count($original); $i++) {
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$boxes[$i]["UNFORMATTED"] = strtolower($boxes[$i]["UNFORMATTED"]);
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}
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$boxes = ary_sort($boxes, "UNFORMATTED", 1);
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for ($i = 0; $i < count($original); $i++) {
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for ($j = 0; $j < count($original); $j++) {
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if ($boxes[$i]["ID"] == $original[$j]["ID"]) {
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$boxes[$i]["UNFORMATTED"] = $original[$j]["UNFORMATTED"];
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$boxes[$i]["FORMATTED"] = $original[$j]["FORMATTED"];
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$boxes[$i]["RAW"] = $original[$j]["RAW"];
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}
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}
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}
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for ($i = 0; $i < count($boxes); $i++) {
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if ($boxes[$i]["UNFORMATTED"] == $special_folders[0]) {
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$boxesnew[0]["FORMATTED"] = $boxes[$i]["FORMATTED"];
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$boxesnew[0]["UNFORMATTED"] = trim($boxes[$i]["UNFORMATTED"]);
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$boxesnew[0]["RAW"] = trim($boxes[$i]["RAW"]);
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$boxes[$i]["USED"] = true;
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}
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}
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if ($list_special_folders_first == true) {
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for ($i = 0; $i < count($boxes); $i++) {
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for ($j = 1; $j < count($special_folders); $j++) {
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if (substr($boxes[$i]["UNFORMATTED"], 0, strlen($special_folders[$j])) == $special_folders[$j]) {
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$pos = count($boxesnew);
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$boxesnew[$pos]["FORMATTED"] = $boxes[$i]["FORMATTED"];
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$boxesnew[$pos]["RAW"] = trim($boxes[$i]["RAW"]);
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$boxesnew[$pos]["UNFORMATTED"] = trim($boxes[$i]["UNFORMATTED"]);
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$boxes[$i]["USED"] = true;
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}
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}
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}
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}
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for ($i = 0; $i < count($boxes); $i++) {
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if (($boxes[$i]["UNFORMATTED"] != $special_folders[0]) &&
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($boxes[$i]["UNFORMATTED"] != ".mailboxlist") &&
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($boxes[$i]["USED"] == false)) {
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$pos = count($boxesnew);
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$boxesnew[$pos]["FORMATTED"] = $boxes[$i]["FORMATTED"];
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$boxesnew[$pos]["RAW"] = trim($boxes[$i]["RAW"]);
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$boxesnew[$pos]["UNFORMATTED"] = trim($boxes[$i]["UNFORMATTED"]);
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$boxes[$i]["USED"] = true;
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}
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}
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$boxes = $boxesnew;
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}
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function deleteMessages($imapConnection, $a, $b, $numMessages, $trash_folder, $move_to_trash, $auto_expunge, $mailbox) {
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/** check if they would like to move it to the trash folder or not */
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if ($move_to_trash == true) {
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$success = copyMessages($imapConnection, $a, $b, $trash_folder);
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if ($success == true)
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setMessageFlag($imapConnection, $a, $b, "Deleted");
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} else {
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setMessageFlag($imapConnection, $a, $b, "Deleted");
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}
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}
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function stripComments($line) {
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if (strpos($line, ";")) {
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$line = substr($line, 0, strpos($line, ";"));
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}
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if (strpos($line, "(") && strpos($line, ")")) {
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$full_line = $full_line . substr($line, 0, strpos($line, "("));
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$full_line = $full_line . substr($line, strpos($line, ")")+1, strlen($line) - strpos($line, ")"));
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} else {
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$full_line = $line;
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}
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return $full_line;
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}
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?>
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