'Login Destination',
'description' => 'Control where users are directed to once they login.',
'page callback' => 'drupal_get_form',
'page arguments' => array('login_destination_admin_settings'),
'access arguments' => array(LOGIN_DEST_PERM_ADMIN),
'type' => MENU_NORMAL_ITEM
);
return $items;
}
function login_destination_admin_settings() {
$form = array();
$form['destination'] = array(
'#type' => 'fieldset',
'#title' => t('URL destination settings'),
'#description' => t('This is to specify where exactly user should be redirected upon login.')
);
$form['destination']['ld_destination'] = array(
'#type' => 'checkbox',
'#default_value' => variable_get('ld_destination', TRUE),
'#title' => t('Preserve destination'),
'#description' => t("If checked, 'destination=' parameter specified in the URL will be used to perform redirection. Otherwise, redirection will be always performed according to the settings below."),
);
$form['destination']['ld_url_type'] = array(
'#type' => 'radios',
'#default_value' => variable_get('ld_url_type', LOGIN_DEST_STATIC),
'#options' => array(
LOGIN_DEST_STATIC => t('Static URL'),
LOGIN_DEST_SNIPPET => t('PHP snippet (experts only)')
)
);
$form['destination']['ld_url_destination'] = array(
'#type' => 'textarea',
'#default_value' => variable_get('ld_url_destination', 'user'),
'#title' => t('URL'),
'#rows' => 4,
'#description' =>
t('Static URL mode: Enter a static path. Example paths are %ex1 or %ex2.', array('%ex1' => 'node/add', '%ex2' => 'workspace')). '
'.
t("PHP snippet mode: Enter PHP code to evaluate path (NO %php tags!). It should return either a string value or an array('path' => path/alias to redirect, 'query' => parameters, ... [other parameters are equal to the url() function specification]).",
array('%php' => ''))
);
$form['condition'] = array(
'#type' => 'fieldset',
'#title' => t('Redirection condition settings'),
'#description' => t('Set the condition to determine whether redirection should happen or not.')
);
$form['condition']['ld_condition_type'] = array(
'#type' => 'radios',
'#default_value' => variable_get('ld_condition_type', 'always'),
'#options' => array(
LOGIN_COND_ALWAYS => t('Always'),
LOGIN_COND_PAGES => t('List of paths'),
LOGIN_COND_SNIPPET => t('PHP snippet (experts only)')
)
);
$form['condition']['ld_condition_snippet'] = array(
'#type' => 'textarea',
'#default_value' => variable_get('ld_condition_snippet', ''),
'#title' => t('Redirect condition'),
'#rows' => 4,
'#description' =>
t('Always: Redirection happens always. Redirect condition field is ignored.'). '
'.
t('List of paths mode: Enter a list of paths, one path per one line. Redirection will happen only when logging from specified pages. Example paths are %ex1 or %ex2.',
array('%ex1' => 'contact', '%ex2' => 'user/login')). '
'.
t('PHP snippet mode: Enter PHP code to find should redirection happen or not (NO %php tags!). It should return boolean value.',
array('%php' => ''))
);
return system_settings_form($form);
}
/**
* Implementation of hook_user.
*/
function login_destination_user($op, &$edit, &$account, $category = NULL) {
switch($op) {
case 'login':
global $language;
$destination = variable_get('ld_url_destination', 'user');
if (variable_get('ld_url_type', LOGIN_DEST_STATIC) == LOGIN_DEST_SNIPPET) {
ob_start();
$url = eval($destination);
ob_end_clean();
} else {
$url = $destination;
}
if (is_array($url) && !empty($url['path'])) {
$path = $url['path'];
unset($url['path']);
$base = base_path();
if (!empty($language->prefix)) {
$base .= $language->prefix. '/';
}
$url = str_replace($base, '', url($path, $url));
}
}
if (login_destination_apply_redirect()) {
$_REQUEST['destination'] = $url;
}
}
/**
* A helper function to determine whether redirection should happen.
*
* @return bool TRUE - apply redirect, FALSE - not to apply redirect.
*/
function login_destination_apply_redirect() {
if ($_GET['destination'] != $_GET['q'] && variable_get('ld_destination', TRUE)) {
return FALSE;
}
$mode = variable_get('ld_condition_type', LOGIN_COND_ALWAYS);
if (LOGIN_COND_ALWAYS == $mode) {
return TRUE;
} else {
$cond = variable_get('ld_condition_snippet', '');
if (LOGIN_COND_PAGES == $mode) {
$paths = split("[\n\r]", $cond);
return in_array($_GET['q'], $paths);
} elseif (LOGIN_COND_SNIPPET == $mode) {
$destination = variable_get('ld_url_destination', 'user');
return drupal_eval('');
}
}
}