/**
* Validate and sanitize our options before saving to the DB.
*
* Callback from {@link register_setting()}.
*
* @param array $input The submitted values from the form
* @return array $output The validated values to be inserted into the DB
*/
public function validate($input)
{
$messages = false;
$output = array();
$output['mode'] = wp_filter_nohtml_kses($input['mode']);
// switching from IMAP to inbound email mode
if ('inbound' == $output['mode'] && 'imap' == bp_rbe_get_setting('mode')) {
// stop RBE if still connected via IMAP
if (bp_rbe_is_connected()) {
bp_rbe_stop_imap();
}
bp_rbe_log('- Operating mode switched to inbound -');
}
// check if key is alphanumeric
if (ctype_alnum($input['key'])) {
$output['key'] = $input['key'];
}
/** INBOUND-related ***************************************************/
$inbound_provider = wp_filter_nohtml_kses($input['inbound-provider']);
if (!empty($inbound_provider)) {
$output['inbound-provider'] = $inbound_provider;
}
$inbound_domain = isset($input['inbound-domain']) ? wp_filter_nohtml_kses($input['inbound-domain']) : '';
if (!empty($inbound_domain)) {
$output['inbound-domain'] = $inbound_domain;
}
/** IMAP-related ******************************************************/
$username = wp_filter_nohtml_kses($input['username']);
$password = wp_filter_nohtml_kses($input['password']);
if ($email = is_email($input['email'])) {
$output['email'] = $email;
if ($input['gmail'] == 1) {
$output['username'] = $email;
}
}
if (!empty($username)) {
$output['username'] = $username;
if (is_email($username)) {
$output['email'] = $username;
}
}
if (!empty($password)) {
$output['password'] = $password;
}
// check if port is numeric
if (is_numeric($input['port'])) {
$output['port'] = $input['port'];
}
// check if address tag is one character
if (strlen($input['tag']) == 1) {
$output['tag'] = $input['tag'];
}
// override certain settings if "gmail" setting is true
if (!empty($input['gmail']) && $input['gmail'] == 1) {
$output['servername'] = 'imap.gmail.com';
$output['port'] = 993;
$output['tag'] = '+';
$output['gmail'] = 1;
$output['email'] = $username;
// use alternate server settings as defined by the user
} else {
$output['servername'] = wp_filter_nohtml_kses($input['servername']);
$output['port'] = absint($input['port']);
$output['tag'] = wp_filter_nohtml_kses($input['tag']);
$output['gmail'] = 0;
}
if (is_numeric($input['keepalive']) && $input['keepalive'] < 30) {
$output['keepalive'] = $input['keepalive'];
}
// keepalive for safe mode will never exceed the execution time
if (ini_get('safe_mode')) {
$output['keepalive'] = $input['keepalive'] = bp_rbe_get_execution_time('minutes');
}
// automatically reconnect after keep-alive limit
if (!empty($input['keepaliveauto'])) {
$output['keepaliveauto'] = 1;
} else {
$output['keepaliveauto'] = 0;
}
// do a quick imap check if we have valid credentials to check
if ($output['mode'] == 'imap' && !empty($output['servername']) && !empty($output['port']) && !empty($output['username']) && !empty($output['password'])) {
if (function_exists('imap_open')) {
$imap = BP_Reply_By_Email_Connect::init(array('host' => $output['servername'], 'port' => $output['port'], 'username' => $output['username'], 'password' => $output['password']));
// if connection failed, add an error
if ($imap === false) {
$errors = imap_errors();
$messages['connect_error'] = sprintf(__('Error: Unable to connect to inbox - %s', 'bp-rbe'), $errors[0]);
$output['connect'] = 0;
// connection was successful, now close our temporary connection
} else {
// this tells bp_rbe_is_required_completed() that we're good to go!
$output['connect'] = 1;
imap_close($imap);
}
}
}
// encode the password
if (!empty($password)) {
$output['password'] = bp_rbe_encode(array('string' => $password, 'key' => wp_salt()));
}
/**********************************************************************/
/* error time! */
if (strlen($input['tag']) > 1 && !$output['tag']) {
$messages['tag_error'] = __('Error: <strong>Address tag</strong> must only be one character.', 'bp-rbe');
}
if (!empty($input['port']) && !is_numeric($input['port']) && !$output['port']) {
$messages['port_error'] = __('Error: <strong>Port</strong> must be numeric.', 'bp-rbe');
}
if (!empty($input['key']) && !$output['key']) {
$messages['key_error'] = __('Error: <strong>Key</strong> must only contain letters and / or numbers.', 'bp-rbe');
}
if (!empty($input['keepalive']) && !is_numeric($input['keepalive']) && !$output['keepalive']) {
$messages['keepalive_error'] = __('Error: <strong>Keep Alive Connection</strong> value must be less than 30.', 'bp-rbe');
}
if (is_array($messages)) {
$output['messages'] = $messages;
}
// For sites using an external object cache, make sure they get the new value.
// This is all sorts of ugly! :(
// I think this is a WP core bug with the WP Settings API...
wp_cache_delete('alloptions', 'options');
return $output;
}
/**
* Replace "Post New Topics via Email" email address to work with bbPress
* plugin.
*
* @param str $querystring Encoded querystring used in the email address
* @param int $user_id The user ID
* @return str Encoded querystring used in the email address
*/
public function new_topic_querystring($querystring = '', $user_id = false)
{
if (empty($user_id)) {
$user_id = bp_loggedin_user_id();
}
if (empty($user_id)) {
return false;
}
// bundled forums has been disabled and replaced with bbPress plugin
if (!class_exists('BP_Forums_Component')) {
// setup default string
$string = $this->forum_id_param . '=' . bbp_get_forum_id();
// if on a BP group, add an extra param
if (bp_is_group()) {
$string .= "&{$this->item_id_param}=" . bp_get_current_group_id();
}
$querystring = bp_rbe_encode(array('string' => $string, 'param' => $user_id));
}
return $querystring;
}
/**
* Returns the encoded group email address for a user.
* Note: Each user gets their own, individual email address per group.
*
* Takes $user_id and $group_id as parameters.
* If no parameters are passed, uses logged in user and current group respectively.
*
* @since 1.0-beta
*/
function bp_rbe_groups_get_encoded_email_address($user_id = false, $group_id = false)
{
$user_id = !$user_id ? bp_loggedin_user_id() : $user_id;
$group_id = !$group_id ? bp_get_current_group_id() : $group_id;
if (!$user_id || !$group_id) {
return false;
}
$gstring = 'g=' . $group_id;
$querystring = apply_filters('bp_rbe_encode_group_querystring', bp_rbe_encode(array('string' => $gstring, 'param' => $user_id)), $user_id, $group_id);
return bp_rbe_inject_qs_in_email($querystring . '-new');
}
/**
* Get the email address used for the 'Reply-To' email header.
*
* @since 1.0-RC4
*
* @param array $headers Email headers.
*/
protected function get_reply_to_address($headers = array())
{
if (empty($this->listener->item_id)) {
return '';
}
// Setup our querystring which we'll add to the Reply-To header
$querystring = '';
switch ($this->listener->component) {
case 'activity':
$querystring = "a={$this->listener->item_id}&p={$this->listener->secondary_item_id}";
break;
// BP Group Email Subscripton (GES) plugin compatibility
// GES will send out group forum emails, so let's setup our param.
// BP Group Email Subscripton (GES) plugin compatibility
// GES will send out group forum emails, so let's setup our param.
case 'forums':
$querystring = "t={$this->listener->item_id}&g={$this->listener->secondary_item_id}";
break;
case 'messages':
$querystring = "m={$this->listener->item_id}";
break;
// 3rd party plugins can hook into this
// 3rd party plugins can hook into this
default:
$querystring = apply_filters('bp_rbe_extend_querystring', $querystring, $this->listener);
break;
}
// last chance to disable the querystring with this filter!
$querystring = apply_filters('bp_rbe_querystring', $querystring, $this->listener, $headers);
// Add our special querystring to the Reply-To header!
if (!empty($querystring)) {
// Encode the qs
// Don't like this? there's a filter for that!
$querystring = apply_filters('bp_rbe_encode_querystring', bp_rbe_encode(array('string' => $querystring)), $querystring);
// Inject the querystring into the email address
$querystring = bp_rbe_inject_qs_in_email($querystring);
}
return $querystring;
}
