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<?php
/**
* plugin.php
*
* Copyright (c) 1999-2002 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This file provides the framework for a plugin architecture.
*
* Documentation on how to write plugins might show up some time.
*
* $Id: plugin.php,v 1.22 2002/01/31 17:13:51 philippe_mingo Exp $
*/
global $squirrelmail_plugin_hooks;
$squirrelmail_plugin_hooks = array();
/* This function adds a plugin. */
function use_plugin ($name) {
if (file_exists("../plugins/$name/setup.php")) {
include_once("../plugins/$name/setup.php");
$function = "squirrelmail_plugin_init_$name";
if (function_exists($function)) {
$function();
}
}
}
/* This function executes a hook. */
function do_hook ($name) {
global $squirrelmail_plugin_hooks;
$data = func_get_args();
$ret = '';
if (isset($squirrelmail_plugin_hooks[$name])
&& is_array($squirrelmail_plugin_hooks[$name])) {
foreach ($squirrelmail_plugin_hooks[$name] as $function) {
/* Add something to set correct gettext domain for plugin. */
if (function_exists($function)) {
$function($data);
}
}
}
/* Variable-length argument lists have a slight problem when */
/* passing values by reference. Pity. This is a workaround. */
return $data;
}
/* This function executes a hook. */
function do_hook_function($name,$parm=NULL) {
global $squirrelmail_plugin_hooks;
$ret = '';
if (isset($squirrelmail_plugin_hooks[$name])
&& is_array($squirrelmail_plugin_hooks[$name])) {
foreach ($squirrelmail_plugin_hooks[$name] as $function) {
/* Add something to set correct gettext domain for plugin. */
if (function_exists($function)) {
$ret = $function($parm);
}
}
}
/* Variable-length argument lists have a slight problem when */
/* passing values by reference. Pity. This is a workaround. */
return $ret;
}
/*************************************/
/*** MAIN PLUGIN LOADING CODE HERE ***/
/*************************************/
/* On startup, register all plugins configured for use. */
if (isset($plugins) && is_array($plugins)) {
foreach ($plugins as $name) {
use_plugin($name);
}
}
/**
* This function checks whether the user's USER_AGENT is known to
* be broken. If so, returns true and the plugin is invisible to the
* offending browser.
*/
function soupNazi(){
global $HTTP_USER_AGENT, $SQSPELL_SOUP_NAZI;
require_once('../plugins/squirrelspell/sqspell_config.php');
$soup_menu = explode( ',', $SQSPELL_SOUP_NAZI );
return( in_array( trim( $HTTP_USER_AGENT ), $soup_menu ) );
}
?>
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