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squirrelmail/functions/imap_general.php
Tyler Akins 5effbcffde sqimap_read_data now uses the $response and $message vars 
sqimap_login now uses sqimap_read_data, and is shortened a bit
sqimap_mailbox_select now forms proper request to sqimap_read_data
Potential fix for the UW version 8 IMAP server
2000-10-22 23:04:06 +00:00

249 lines
9.4 KiB
PHP
Executable file
Raw Blame History

<?php
/**
** imap.php
**
** This implements all functions that do general imap functions.
**/
/******************************************************************************
** Reads the output from the IMAP stream. If handle_errors is set to true,
** this will also handle all errors that are received. If it is not set,
** the errors will be sent back through $response and $message
******************************************************************************/
function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
global $color, $squirrelmail_language;
//$imap_general_debug = true;
$imap_general_debug = false;
$read = fgets ($imap_stream, 1024);
if ($imap_general_debug) echo "<small><tt><font color=cc0000>$read</font></tt></small><br>";
$counter = 0;
while (! ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) {
$data[$counter] = $read;
$read = fgets ($imap_stream, 1024);
if ($imap_general_debug) echo "<small><tt><font color=cc0000>$read</font></tt></small><br>";
$counter++;
}
$response = $regs[1];
$message = trim($regs[2]);
if ($imap_general_debug) echo "--<br>";
if ($handle_errors == true) {
if ($response == "NO") {
set_up_language($squirrelmail_language);
echo "<br><b><font color=$color[2]>\n";
echo _("ERROR : Could not complete request.");
echo "</b><br>\n";
echo _("Reason Given: ");
echo $message . "</font><br>\n";
exit;
} else if ($response == "BAD") {
set_up_language($squirrelmail_language);
echo "<br><b><font color=$color[2]>\n";
echo _("ERROR : Bad or malformed request.");
echo "</b><br>\n";
echo _("Server responded: ");
echo $message . "</font><br>\n";
exit;
}
}
return $data;
}
/******************************************************************************
** Logs the user into the imap server. If $hide is set, no error messages
** will be displayed. This function returns the imap connection handle.
******************************************************************************/
function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
$imap_stream = fsockopen ($imap_server_address, $imap_port, &$error_number, &$error_string);
$server_info = fgets ($imap_stream, 1024);
// Decrypt the password
$password = OneTimePadDecrypt($password, $onetimepad);
/** Do some error correction **/
if (!$imap_stream) {
if (!$hide) {
set_up_language($squirrelmail_language, true);
printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
echo "$error_number : $error_string<br>\r\n";
}
exit;
}
fputs ($imap_stream, "a001 LOGIN \"$username\" \"$password\"\r\n");
$read = sqimap_read_data ($imap_stream, "a001", false, $response, $message);
/** If the connection was not successful, lets see why **/
if ($response != "OK") {
if (!$hide) {
if ($response != "NO") {
// "BAD" and anything else gets reported here.
set_up_language($squirrelmail_language, true);
if ($response == "BAD")
printf (_("Bad request: %s")."<br>\r\n", $message);
else
printf (_("Unknown error: %s") . "<br>\n", $message);
echo "<br>";
echo _("Read data:") . "<br>\n";
foreach ($read as $line)
{
echo htmlspecialchars($line) . "<br>\n";
}
exit;
} else if ($response == "NO") {
// If the user does not log in with the correct
// username and password it is not possible to get the
// correct locale from the user's preferences.
// Therefore, apply the same hack as on the login
// screen.
// $squirrelmail_language is set by a cookie when
// the user selects language and logs out
set_up_language($squirrelmail_language, true);
?>
<html>
<body bgcolor=ffffff>
<br>
<center>
<table width=70% noborder bgcolor=ffffff align=center>
<tr>
<td bgcolor=dcdcdc>
<font color=cc0000>
<center>
<?php echo _("ERROR") ?>
</center>
</font>
</td>
</tr>
<tr>
<td>
<center>
<?php echo _("Unknown user or password incorrect.") ?><br>
<a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
</center>
</td>
</tr>
</table>
</center>
</body>
</html>
<?php
session_destroy();
exit;
}
} else {
exit;
}
}
return $imap_stream;
}
/******************************************************************************
** Simply logs out the imap session
******************************************************************************/
function sqimap_logout ($imap_stream) {
fputs ($imap_stream, "a001 LOGOUT\r\n");
}
/******************************************************************************
** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
******************************************************************************/
function sqimap_get_delimiter ($imap_stream) {
fputs ($imap_stream, "a001 NAMESPACE\r\n");
$read = sqimap_read_data($imap_stream, "a001", true, $a, $b);
eregi("\"\" \"(.)\"", $read[0], $regs);
return $regs[1];
}
/******************************************************************************
** Gets the number of messages in the current mailbox.
******************************************************************************/
function sqimap_get_num_messages ($imap_stream, $mailbox) {
fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
for ($i = 0; $i < count($read_ary); $i++) {
if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
return $regs[1];
}
}
return "BUG! Couldn't get number of messages in $mailbox!";
}
/******************************************************************************
** Returns a displayable email address
******************************************************************************/
function sqimap_find_email ($string) {
/** Luke Ehresman <lehresma@css.tayloru.edu>
** <lehresma@css.tayloru.edu>
** lehresma@css.tayloru.edu
**/
if (ereg("<([^>]+)>", $string, $regs)) {
$string = $regs[1];
}
return trim($string);
}
/******************************************************************************
** Takes the From: field, and creates a displayable name.
** Luke Ehresman <lkehresman@yahoo.com>
** becomes: Luke Ehresman
** <lkehresman@yahoo.com>
** becomes: lkehresman@yahoo.com
******************************************************************************/
function sqimap_find_displayable_name ($string) {
ereg("^\"?([^\"<]*)[\" <]*([^>]+)>?$", trim($string), $regs);
if ($regs[1] == '')
return $regs[2];
return $regs[1];
}
/******************************************************************************
** Returns the number of unseen messages in this folder
******************************************************************************/
function sqimap_unseen_messages ($imap_stream, &$num_unseen, $mailbox) {
//fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
return $regs[1];
}
/******************************************************************************
** Saves a message to a given folder -- used for saving sent messages
******************************************************************************/
function sqimap_append ($imap_stream, $sent_folder, $length) {
fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
$tmp = fgets ($imap_stream, 1024);
}
function sqimap_append_done ($imap_stream) {
fputs ($imap_stream, "\r\n");
$tmp = fgets ($imap_stream, 1024);
}
?>
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