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<?php
/**
* SquirrelMail Spam Buttons Plugin
* Copyright (c) 2005-2009 Paul Lesniewski <paul@squirrelmail.org>,
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* @package plugins
* @subpackage spam_buttons
*
*/
/**
* Initialize this plugin (load config values)
*
* @return boolean FALSE if no configuration file could be loaded, TRUE otherwise
*
*/
function spam_buttons_init()
{
return load_config('spam_buttons',
array('config.php', '../../config/config_spam_buttons.php'),
TRUE);
}
/**
* Retrieve All Message Headers
*
* When called more than once in the same page request against the same
* message, a cached set of headers is returned for efficiency.
*
* @param int $passed_id UID of the desired message
* @param string $passed_ent_id Entity ID of the desired message attachment
*
* @return array An array of all message headers
*
*/
function sb_get_message_headers($passed_id, $passed_ent_id)
{
static $parsed_headers = array();
$index = $passed_id . '.' . $passed_ent_id;
if (isset($parsed_headers[$index]))
return $parsed_headers[$index];
global $imapConnection, $username, $key, $uid_support,
$mbx_response, $imapServerAddress, $imapPort, $mailbox;
if (check_sm_version(1, 5, 2)) { $key = FALSE; $uid_support = TRUE; }
if (!is_resource($imapConnection))
$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
if (empty($mbx_response))
$mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
if (empty($passed_ent_id))
$headers = sqimap_run_command($imapConnection, "FETCH $passed_id BODY.PEEK[HEADER]", true, $response, $message, $uid_support);
else
$headers = sqimap_run_command($imapConnection, "FETCH $passed_id BODY.PEEK[$passed_ent_id.HEADER]", true, $response, $message, $uid_support);
$parsed_headers[$index] = sb_parse_headers($headers);
return $parsed_headers[$index];
}
/**
* Parse raw headers retrieved from IMAP server into internal array format
*
* @param string $headers The raw headers straight from an IMAP FETCH query
*
* @return array An array of the given message headers
*
*/
function sb_parse_headers($headers)
{
$parsed_headers = array();
// based on src/view_header.php...
//
$first = $second = array();
$cnum = 0;
for ($i=1; $i < count($headers); $i++)
{
$line = $headers[$i];
switch (true)
{
case (eregi("^>", $line)):
$second[$i] = $line;
$first[$i] = ' ';
$cnum++;
break;
case (eregi("^[ |\t]", $line)):
$second[$i] = $line;
$first[$i] = '';
break;
case (eregi("^([^:]+):(.+)", $line, $regs)):
$first[$i] = $regs[1] . ':';
$second[$i] = $regs[2];
$cnum++;
break;
default:
$second[$i] = trim($line);
$first[$i] = '';
break;
}
}
for ($i=0; $i < count($second); $i = $j)
{
$f = (isset($first[$i]) ? $first[$i] : '');
$s = (isset($second[$i]) ? $second[$i] : '');
$j = $i + 1;
while (($first[$j] == '') && ($j < count($first)))
{
$s .= ' ' . $second[$j];
$j++;
}
if ($f)
$parsed_headers[] = array($f,$s);
}
return $parsed_headers;
}
/**
* Retrieve A Single Message Header
*
* When called more than once in the same page request against the same
* message, a cached header value is returned for efficiency.
*
* @param int $passed_id UID of the desired message
* @param string $passed_ent_id Entity ID of the desired message attachment
* @param string $header_name The name of the desired header
*
* @return array An array containing the header name and its value,
* or an empty array if the header was not found
*
*/
function sb_get_message_header($passed_id, $passed_ent_id, $header_name)
{
static $parsed_header = array();
$index = $passed_id . '.' . $passed_ent_id . '.' . $header_name;
if (isset($parsed_header[$index]))
return $parsed_header[$index];
global $imapConnection, $username, $key, $uid_support,
$mbx_response, $imapServerAddress, $imapPort, $mailbox;
if (check_sm_version(1, 5, 2)) { $key = FALSE; $uid_support = TRUE; }
if (!is_resource($imapConnection))
$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
if (empty($mbx_response))
$mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
if (empty($passed_ent_id))
$header = sqimap_run_command($imapConnection, "FETCH $passed_id BODY.PEEK[HEADER.FIELDS ($header_name)]", true, $response, $message, $uid_support);
else
$header = sqimap_run_command($imapConnection, "FETCH $passed_id BODY.PEEK[$passed_ent_id.HEADER.FIELDS ($header_name)]", true, $response, $message, $uid_support);
$parsed_header[$index] = sb_parse_headers($header);
if (!empty($parsed_header[$index][0]))
$parsed_header[$index] = $parsed_header[$index][0];
else
$parsed_header[$index] = array();
return $parsed_header[$index];
}
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