/**
* converts plugin's array to string and adds version numbers
* @return string preformated text with installed plugin's information
* @access private
*/
function br_show_plugins()
{
global $plugins;
$str = '';
if (is_array($plugins) && $plugins != array()) {
foreach ($plugins as $key => $plugin_name) {
// note that some plugins may not have been loaded up by now
// so we do that here to make sure... also turn on output
// buffering so they don't screw up our output with spacing
// or newlines
//
ob_start();
use_plugin($plugin_name);
ob_end_clean();
if ($key != 0 || $plugin_name != '') {
$english_name = get_plugin_requirement($plugin_name, 'english_name');
$str .= " * {$key} = " . (!empty($english_name) ? $english_name . " ({$plugin_name}) " : "{$plugin_name} ") . get_plugin_version($plugin_name, TRUE) . "\n";
}
}
// compatibility plugin can be used without needing to enable it in sm config
if (file_exists(SM_PATH . 'plugins/compatibility/setup.php') && !in_array('compatibility', $plugins)) {
$str .= ' * Compatibility (compatibility) ' . get_plugin_version('compatibility', TRUE) . "\n";
}
}
if ($str == '') {
return " * Nothing listed\n";
}
return $str;
}
$plugins_system = array('settings', 'boost', 'dsstats');
function use_plugin($name)
{
global $config;
if (file_exists($config['base_path'] . "/plugins/{$name}/setup.php")) {
include_once $config['base_path'] . "/plugins/{$name}/setup.php";
$function = "plugin_init_{$name}";
if (function_exists($function)) {
$function();
}
}
}
/**
* This function executes a hook.
* @param string $name Name of hook to fire
* @return mixed $data
*/
if (!is_array($plugins)) {
$plugins = array();
}
$oldplugins = read_config_option('oldplugins');
if (strlen(trim($oldplugins))) {
$oldplugins = explode(',', $oldplugins);
$plugins = array_merge($plugins, $oldplugins);
}
/* On startup, register all plugins configured for use. */
if (isset($plugins) && is_array($plugins)) {
foreach ($plugins as $name) {
use_plugin($name);
}
}
function is_role_page($lines)
{
global $check_role;
if (!$check_role) {
return FALSE;
}
$cmd = use_plugin('check_role', $lines);
if ($cmd === FLASE) {
return FALSE;
}
convert_html($cmd);
// die();
return TRUE;
}
/**
* This function is used for hooks which are to return true or
* false. If $priority is > 0, any one or more trues will override
* any falses. If $priority < 0, then one or more falses will
* override any trues.
* Priority 0 means majority rules. Ties will be broken with $tie
*
* If any plugin on this hook wants to modify the $args
* plugin parameter, it simply has to use call-by-reference
* syntax in the hook function that it has registered for the
* current hook. Note that this is in addition to (entirely
* independent of) the return value for this hook.
*
* @param string $name The hook name
* @param mixed &$args A single value or an array of arguments
* that are to be passed to all plugins
* operating off the hook being called.
* Note that this argument is passed by
* reference thus it is liable to be
* changed after the hook completes.
* @param int $priority See explanation above
* @param boolean $tie See explanation above
*
* @return boolean The result of the function
*
*/
function boolean_hook_function($name, &$args, $priority = 0, $tie = false)
{
global $squirrelmail_plugin_hooks, $currentHookName;
$yea = 0;
$nay = 0;
$ret = $tie;
if (isset($squirrelmail_plugin_hooks[$name]) && is_array($squirrelmail_plugin_hooks[$name])) {
/* Loop over the plugins that registered the hook */
$currentHookName = $name;
foreach ($squirrelmail_plugin_hooks[$name] as $plugin_name => $function) {
use_plugin($plugin_name);
if (function_exists($function)) {
$ret = $function($args);
if ($ret) {
$yea++;
} else {
$nay++;
}
// each plugin can call additional hooks, so need
// to make sure the current hook name is accurate
// again after each plugin has finished
//
$currentHookName = $name;
}
}
$currentHookName = '';
/* Examine the aftermath and assign the return value appropriately */
if ($priority > 0 && $yea) {
$ret = true;
} elseif ($priority < 0 && $nay) {
$ret = false;
} elseif ($yea > $nay) {
$ret = true;
} elseif ($nay > $yea) {
$ret = false;
} else {
// There's a tie, no action needed.
}
return $ret;
}
// If the code gets here, there was a problem - no hooks, etc.
return NULL;
}