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<?php
/**
* SAM base class.
*
* $Horde: sam/lib/SAM.php,v 1.31 2006/01/01 21:11:50 jan Exp $
* Copyright 2002-2006 Chris Bowlby <excalibur@hub.org>
*
* See the enclosed file COPYING for license information (GPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
*
* @author Chris Bowlby <excalibur@hub.org>
* @author Max Kalika <max@horde.org>
* @since SAM 1.0
* @package Sam
*/
class SAM {
/**
* Determine the backend to use.
*
* This decision is based on the global 'SERVER_NAME' and 'HTTP_HOST'
* server variables and the contents of the 'preferred' either field
* in the backend's definition. The 'preferred' field may take a
* single value or an array of multiple values.
*
* @return array The backend entry. Calls Horde::fatal() on error.
*/
function getBackend()
{
include SAM_BASE . '/config/backends.php';
if (!isset($backends) || !is_array($backends)) {
Horde::fatal(PEAR::raiseError(_("No backends configured in backends.php")), __FILE__, __LINE__);
}
foreach ($backends as $temp) {
if (!isset($backend)) {
$backend = $temp;
} elseif (!empty($temp['preferred'])) {
if (is_array($temp['preferred'])) {
foreach ($temp['preferred'] as $val) {
if (($val == $_SERVER['SERVER_NAME']) ||
($val == $_SERVER['HTTP_HOST'])) {
$backend = $temp;
}
}
} elseif (($temp['preferred'] == $_SERVER['SERVER_NAME']) ||
($temp['preferred'] == $_SERVER['HTTP_HOST'])) {
$backend = $temp;
}
}
}
/* Check for valid backend configuration. */
if (!isset($backend)) {
Horde::fatal(PEAR::raiseError(_("No backend configured for this host")), __FILE__, __LINE__);
} elseif (empty($backend['driver'])) {
Horde::fatal(PEAR::raiseError(sprintf(_("No \"%s\" element found in backend configuration."), 'driver')), __FILE__, __LINE__);
}
/* Make sure the 'params' entry exists. */
if (!isset($backend['params'])) {
$backend['params'] = array();
}
return $backend;
}
/**
* Find a list of configured attributes.
*
* Load the attributes configuration file or uses an already-loaded
* cached copy. If loading for the first time, cache it for later use.
*
* @return array The attributes list.
*/
function getAttributes()
{
static $_attributes;
if (!isset($_attributes)) {
$_attributes = array();
require_once SAM_BASE . '/config/attributes.php';
}
return $_attributes;
}
/**
* Find out whether the given attribute type is informational only.
*
* @param string $attribute The attribute type to check.
*
* @return boolean Returns true if the given type is known to be
* informational only.
*/
function infoAttribute($type = '')
{
return in_array($type, array('description', 'spacer', 'html',
'header', 'link'));
}
/**
* Map the given Horde username to the value used after applying any
* configured hooks.
*
* @param mixed $hordeauth Defines how to use the authenticated
* Horde username. If set to 'full',
* will initialize the username to
* contain the @realm part. Otherwise,
* the username will initialize as a
* simple login.
*
* @return string The converted username.
*/
function mapUser($hordeauth)
{
$uid = $hordeauth === 'full' ? Auth::getAuth() : Auth::getBareAuth();
if (!empty($GLOBALS['conf']['hooks']['username'])) {
include_once HORDE_BASE . '/config/hooks.php';
if (function_exists('_sam_hook_username')) {
return call_user_func('_sam_hook_username', $uid);
}
}
return $uid;
}
/**
* Build SAM's list of menu items.
*/
function getMenu($returnType = 'object')
{
require_once 'Horde/Menu.php';
$menu = &new Menu(HORDE_MENU_MASK_ALL & ~HORDE_MENU_MASK_PREFS);
if ($GLOBALS['conf']['enable']['rules']) {
$menu->add(Horde::applicationUrl('spam.php'), _("Spam Options"), 'sam.png', null, null, null, basename($_SERVER['PHP_SELF']) == 'index.php' ? 'current' : null);
}
if (!is_a($whitelist_url = $GLOBALS['registry']->link('mail/showWhitelist'), 'PEAR_Error')) {
$menu->add(Horde::url($whitelist_url), _("Whitelist"), 'whitelist.png');
}
if (!is_a($blacklist_url = $GLOBALS['registry']->link('mail/showBlacklist'), 'PEAR_Error')) {
$menu->add(Horde::url($blacklist_url), _("Blacklist"), 'blacklist.png');
}
if ($returnType == 'object') {
return $menu;
} else {
return $menu->render();
}
}
}
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