public function render(array $params)
{
$this->_dump_buffers();
header('Content-type: text/calendar; charset=utf-8');
echo $params['data'];
return Ai1ec_Http_Response_Helper::stop(0);
}
/**
* Renders the css for our frontend.
*
* Sets etags to avoid sending not needed data
*/
public function render_css()
{
header('HTTP/1.1 200 OK');
header('Content-Type: text/css', true, 200);
// Aggressive caching to save future requests from the same client.
$etag = '"' . md5(__FILE__ . $_GET[self::QUERY_STRING_PARAM]) . '"';
header('ETag: ' . $etag);
$max_age = 31536000;
$time_sys = $this->_registry->get('date.system');
header('Expires: ' . gmdate('D, d M Y H:i:s', $time_sys->current_time() + $max_age) . ' GMT');
header('Cache-Control: public, max-age=' . $max_age);
if (empty($_SERVER['HTTP_IF_NONE_MATCH']) || $etag !== stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) {
// compress data if possible
$compatibility_ob = $this->_registry->get('compatibility.ob');
if ($this->_registry->get('http.request')->client_use_gzip()) {
$compatibility_ob->start('ob_gzhandler');
header('Content-Encoding: gzip');
} else {
$compatibility_ob->start();
}
$content = $this->get_compiled_css();
echo $content;
$compatibility_ob->end_flush();
} else {
// Not modified!
status_header(304);
}
// We're done!
Ai1ec_Http_Response_Helper::stop(0);
}
public function render(array $params)
{
$this->_dump_buffers();
header('HTTP/1.1 200 OK');
header('Content-Type: text/xml; charset=UTF-8');
$data = Ai1ec_Http_Response_Helper::utf8($params['data']);
$output = Ai1ec_XML_Builder::serialize_to_xml($data);
echo $output;
return Ai1ec_Http_Response_Helper::stop(0);
}
public function render(array $params)
{
$this->_dump_buffers();
header('HTTP/1.1 200 OK');
header('Content-Type: application/json; charset=UTF-8');
$data = Ai1ec_Http_Response_Helper::utf8($params['data']);
$output = json_encode($data);
if (!empty($params['callback'])) {
$output = $params['callback'] . '(' . $output . ')';
}
echo $output;
return Ai1ec_Http_Response_Helper::stop(0);
}
public function render(array $params)
{
$this->_dump_buffers();
header('Content-Type: application/force-download; name="calendar.xml"');
header('Content-type: text/xml');
header('Content-Transfer-Encoding: binary');
header('Content-Disposition: attachment; filename="calendar.xml"');
header('Expires: 0');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');
echo $params['data'];
return Ai1ec_Http_Response_Helper::stop(0);
}
/**
* Checks if current request is direct for Events cats/tags and redirects
* to filtered calendar.
*
* @param WP $wpobj WP object.
*
* @return void Method does not return.
*/
public function handle_categories_and_tags(WP $wpobj)
{
$cats = Ai1ec_Event_Taxonomy::CATEGORIES;
$tags = Ai1ec_Event_Taxonomy::TAGS;
if (!isset($wpobj->query_vars) || !isset($wpobj->query_vars[$cats]) && !isset($wpobj->query_vars[$tags])) {
return;
}
$is_cat = isset($wpobj->query_vars[$cats]);
$is_tag = isset($wpobj->query_vars[$tags]);
if ($is_cat) {
$query_ident = $cats;
$url_ident = 'cat_ids';
}
if ($is_tag) {
$query_ident = $tags;
$url_ident = 'tag_ids';
}
$term = get_term_by('slug', $wpobj->query_vars[$query_ident], $query_ident);
if (!$term) {
return;
}
$href = $this->_registry->get('html.element.href', array($url_ident => $term->term_id));
return Ai1ec_Http_Response_Helper::redirect($href->generate_href(), 301);
}
public function render(array $params)
{
$this->_dump_buffers();
$now = gmdate('D, d M Y H:i:s');
$filename = $params['filename'];
header('Expires: Tue, 03 Jul 2001 06:00:00 GMT');
header('Cache-Control: max-age=0, no-cache, must-revalidate, proxy-revalidate');
header('Last-Modified: ' . $now . ' GMT');
// force download
header('Content-Type: application/force-download');
header('Content-Type: application/octet-stream');
header('Content-Type: application/download');
// disposition / encoding on response body
header('Content-Disposition: attachment;filename="' . addcslashes($filename, '"') . '"');
header('Content-Transfer-Encoding: binary');
$columns = $params['columns'];
for ($i = 0; $i < count($columns); $i++) {
if ($i > 0) {
echo ',';
}
echo $columns[$i];
}
echo "\n";
$data = $params['data'];
for ($i = 0; $i < count($data); $i++) {
$row = $data[$i];
for ($j = 0; $j < count($row); $j++) {
if ($j > 0) {
echo ',';
}
echo $row[$j];
}
echo "\n";
}
return Ai1ec_Http_Response_Helper::stop(0);
}
/**
* Parse all the less files resolving the dependencies.
*
* @param array $variables
* @param bool $compile_core If set to true, it forces compilation of core CSS only, suitable for shipping.
* @throws Ai1ec_File_Not_Found_Exception|Exception
* @throws Exception
* @return string
*/
public function parse_less_files(array $variables = null, $compile_core = false)
{
// If no variables are passed, initialize from DB, config file, and
// extension injections in one call.
if (empty($variables)) {
$variables = $this->get_saved_variables(false);
}
// convert the variables to key / value
$variables = $this->convert_less_variables_for_parsing($variables);
// Inject additional constants from extensions
$variables = apply_filters('ai1ec_less_constants', $variables);
// Use this variables for hashmap purposes.
$this->variables = $variables;
// Load the static variables defined in the theme's variables.less file.
$this->load_static_theme_variables();
$loader = $this->_registry->get('theme.loader');
//Allow extensions to add their own LESS files.
$this->files = apply_filters('ai1ec_less_files', $this->files);
$this->files[] = 'override.less';
// Find out the active theme URL.
$option = $this->_registry->get('model.option');
$theme = $option->get('ai1ec_current_theme');
$this->lessc->addImportDir($theme['theme_dir'] . DIRECTORY_SEPARATOR . 'less');
$import_dirs = array();
foreach ($this->files as $file) {
$file_to_parse = null;
try {
// Get the filename following our fallback convention
$file_to_parse = $loader->get_file($file);
} catch (Ai1ec_Exception $e) {
// We let child themes override styles of Vortex.
// So there is no fallback for override and we can continue.
if ($file !== 'override.less') {
throw $e;
} else {
// It's an override, skip it.
continue;
}
}
// We prepend the unparsed variables.less file we got earlier.
// We do this as we do not import that anymore in the less files.
$this->unparsed_variable_file .= $file_to_parse->get_content();
// Set the import directories for the file. Includes current directory of
// file as well as theme directory in core. This is important for
// dependencies to be resolved correctly.
$dir = dirname($file_to_parse->get_name());
if (!isset($import_dirs[$dir])) {
$import_dirs[$dir] = true;
$this->lessc->addImportDir($dir);
}
}
$variables['fontdir'] = '~"' . Ai1ec_Http_Response_Helper::remove_protocols($theme['theme_url']) . '/font"';
$variables['fontdir_default'] = '~"' . Ai1ec_Http_Response_Helper::remove_protocols($this->default_theme_url) . 'font"';
$variables['imgdir'] = '~"' . Ai1ec_Http_Response_Helper::remove_protocols($theme['theme_url']) . '/img"';
$variables['imgdir_default'] = '~"' . Ai1ec_Http_Response_Helper::remove_protocols($this->default_theme_url) . 'img"';
if (true === $compile_core) {
$variables['fontdir'] = '~"../font"';
$variables['fontdir_default'] = '~"../font"';
$variables['imgdir'] = '~"../img"';
$variables['imgdir_default'] = '~"../img"';
}
try {
$this->parsed_css = $this->lessc->parse($this->unparsed_variable_file, $variables);
} catch (Exception $e) {
throw $e;
}
// Replace font placeholders
$this->parsed_css = preg_replace_callback('/__BASE64_FONT_([a-zA-Z0-9]+)_(\\S+)__/m', array($this, 'load_font_base64'), $this->parsed_css);
return $this->parsed_css;
}
public function do_execute()
{
$this->_registry->get('theme.compiler')->generate();
return Ai1ec_Http_Response_Helper::stop(0);
}
/**
* Echoes the Javascript if not cached.
*
* Echoes the javascript with the correct content.
* Since the content is dinamic, i use the hash function.
*
* @param string $javascript
*
* @return void
*/
private function _echo_javascript($javascript)
{
$conditional_get = new HTTP_ConditionalGet(array('contentHash' => md5($javascript)));
$conditional_get->sendHeaders();
if (!$conditional_get->cacheIsValid) {
$http_encoder = $this->_registry->get('http.encoder', array('content' => $javascript, 'type' => 'text/javascript'));
$compression_level = null;
if ($this->_registry->get('model.settings')->get('disable_gzip_compression')) {
// set the compression level to 0 to disable it.
$compression_level = 0;
}
$http_encoder->encode($compression_level);
$http_encoder->sendAll();
}
Ai1ec_Http_Response_Helper::stop(0);
}
public function do_execute()
{
$message = $this->_process_files();
echo $message;
return Ai1ec_Http_Response_Helper::stop(0);
}
/**
* Install robotx.txt into current Wordpress instance
*
* @return void
*/
public function install()
{
$option = $this->_registry->get('model.option');
$settings = $this->_registry->get('model.settings');
$robots = $option->get('ai1ec_robots_txt');
if (isset($robots['page_id']) && $robots['page_id'] == $settings->get('calendar_page_id')) {
return;
}
$ftp_base_dir = defined('FTP_BASE') ? FTP_BASE . DIRECTORY_SEPARATOR : '';
// we can't use ABSPATH for ftp, if ftp user is not chrooted they need
// to define FTP_BASE in wp-config.php
$robots_file = $ftp_base_dir . 'robots.txt';
$robots_txt = array();
$is_installed = false;
$current_rules = null;
$custom_rules = $this->rules('', false);
$url = wp_nonce_url('edit.php?post_type=ai1ec_event&page=all-in-one-event-calendar-settings', 'ai1ec-nonce');
$redirect_url = ai1ec_admin_url('edit.php?post_type=ai1ec_event&page=all-in-one-event-calendar-settings&noredirect=1');
if (!function_exists('request_filesystem_credentials')) {
return;
}
$type = get_filesystem_method();
if ('direct' === $type) {
// we have to use ABSPATH for direct
$robots_file = ABSPATH . 'robots.txt';
}
$creds = request_filesystem_credentials($url, $type, false, false, null);
if (!WP_Filesystem($creds)) {
$error_v = isset($_POST['hostname']) || isset($_POST['username']) || isset($_POST['password']) || isset($_POST['connection_type']);
if ($error_v) {
// if credentials are given and we don't have access to
// wp filesystem show notice to user
// we could use request_filesystem_credentials with true error
// parameter but in this case second ftp credentials screen
// would appear
$notification = $this->_registry->get('notification.admin');
$err_msg = Ai1ec_I18n::__('<strong>ERROR:</strong> There was an error connecting to the server, Please verify the settings are correct.');
$notification->store($err_msg, 'error', 1);
// we need to avoid infinity loop if FS_METHOD direct
// and robots.txt is not writable
if (!isset($_REQUEST['noredirect'])) {
Ai1ec_Http_Response_Helper::redirect($redirect_url);
}
}
return;
}
global $wp_filesystem;
// sometimes $wp_filesystem could be null
if (null === $wp_filesystem) {
return;
}
$redirect = false;
if ($wp_filesystem->exists($robots_file) && $wp_filesystem->is_readable($robots_file) && $wp_filesystem->is_writable($robots_file)) {
// Get current robots txt content
$current_rules = $wp_filesystem->get_contents($robots_file);
// Update robots.txt
$custom_rules = $this->rules($current_rules, false);
}
$robots_txt['is_installed'] = $wp_filesystem->put_contents($robots_file, $custom_rules, FS_CHMOD_FILE);
if (false === $robots_txt['is_installed']) {
$err_msg = Ai1ec_I18n::__('<strong>ERROR:</strong> There was an error storing <strong>robots.txt</strong> to the server, the file could not be written.');
$this->_registry->get('notification.admin')->store($err_msg, 'error');
$redirect = true;
}
// Set Page ID
$robots_txt['page_id'] = $settings->get('calendar_page_id');
// Update Robots Txt
$option->set('ai1ec_robots_txt', $robots_txt);
// Update settings textarea
$settings->set('edit_robots_txt', $custom_rules);
// we need to avoid infinity loop if FS_METHOD direct
// and robots.txt is not writable
if ($redirect && !isset($_REQUEST['noredirect'])) {
Ai1ec_Http_Response_Helper::redirect($redirect_url);
}
}
/**
* Redirect the user either to the front page or the dashbord page
*
* @return void Method does not return
*/
protected function redirect($suggested_url = null)
{
$url = ai1ec_get_site_url();
if (is_admin()) {
$url = null !== $suggested_url ? $suggested_url : ai1ec_get_admin_url();
}
Ai1ec_Http_Response_Helper::redirect($url);
}
/**
* Get the parameters for the view from the request object
*
* @param Ai1ec_Abstract_Query $request
*
* @return array
*/
protected function get_view_args_for_view(Ai1ec_Abstract_Query $request)
{
$settings = $this->_registry->get('model.settings');
// Define arguments for specific calendar sub-view (month, agenda, etc.)
// Preprocess action.
// Allow action w/ or w/o ai1ec_ prefix. Remove ai1ec_ if provided.
$action = $request->get('action');
if (0 === strncmp($action, 'ai1ec_', 6)) {
$action = substr($action, 6);
}
$view_args = $request->get_dict(apply_filters('ai1ec_view_args_for_view', array('post_ids', 'auth_ids', 'cat_ids', 'tag_ids', 'events_limit')));
$add_defaults = array('cat_ids' => 'categories', 'tag_ids' => 'tags');
foreach ($add_defaults as $query => $default) {
if (empty($view_args[$query])) {
$setting = $settings->get('default_tags_categories');
if (isset($setting[$default])) {
$view_args[$query] = $setting[$default];
}
}
}
$type = $request->get('request_type');
$view_args['data_type'] = $this->return_data_type_for_request_type($type);
$view_args['request_format'] = $request->get('request_format');
$exact_date = $this->get_exact_date($request);
$view_args['no_navigation'] = $request->get('no_navigation') === 'true';
// Find out which view of the calendar page was requested, and render it
// accordingly.
$view_args['action'] = $action;
$view_args['request'] = $request;
$view_args = apply_filters('ai1ec_view_args_array', $view_args);
if (null === $exact_date) {
$href = $this->_registry->get('html.element.href', $view_args)->generate_href();
return Ai1ec_Http_Response_Helper::redirect($href, 307);
}
return $view_args;
}
/**
* Get the url to retrieve the css
*
* @return string
*/
public function get_css_url()
{
// get what's saved. I t could be false, a int or a string.
// if it's false or a int, use PHP to render CSS
$saved_par = $this->db_adapter->get(self::QUERY_STRING_PARAM);
// if it's empty it's a new install probably. Return static css.
// if it's numeric, just consider it a new install
if (empty($saved_par)) {
$theme = $this->_registry->get('model.option')->get('ai1ec_current_theme');
return Ai1ec_Http_Response_Helper::remove_protocols(apply_filters('ai1ec_frontend_standard_css_url', $theme['theme_url'] . '/css/ai1ec_parsed_css.css'));
}
if (is_numeric($saved_par)) {
if ($this->_registry->get('model.settings')->get('render_css_as_link')) {
$time = (int) $saved_par;
$template_helper = $this->_registry->get('template.link.helper');
return Ai1ec_Http_Response_Helper::remove_protocols(add_query_arg(array(self::QUERY_STRING_PARAM => $time), trailingslashit(ai1ec_get_site_url())));
} else {
add_action('wp_head', array($this, 'echo_css'));
return '';
}
}
// otherwise return the string
return Ai1ec_Http_Response_Helper::remove_protocols($saved_par);
}
/**
* Redirect the user either to the front page or the dashbord page
*
* @return void Method does not return
*/
protected function redirect()
{
if (is_admin()) {
Ai1ec_Http_Response_Helper::redirect(get_admin_url());
} else {
Ai1ec_Http_Response_Helper::redirect(get_site_url());
}
}
