/**
* Print the feed link tag.
*/
public function feed_link()
{
$post_title = self::feed_title();
$feed_link = LivePress_Updater::instance()->get_current_post_feed_link();
if (count($feed_link) > 0) {
$tag = '<link rel="alternate" type="' . esc_attr(feed_content_type('rss2')) . '" ';
$tag .= 'title="' . esc_attr(get_bloginfo('name')) . ' » ' . esc_attr($post_title) . '" ';
$tag .= 'href="' . esc_url($feed_link[0]) . '" />' . "\n";
echo $tag;
}
}
/**
* Inject update box into theme.
*/
function inject_updatebox()
{
static $did_output = false;
if (!defined('LIVEPRESS_THEME') || !constant('LIVEPRESS_THEME')) {
if (!$did_output && (is_single() || is_home())) {
if (is_single()) {
LivePress_Updater::instance()->inject_widget(true);
}
$did_output = true;
}
}
}
/**
* Add user options to shortcode.
*
* @param string $content Post content.
*/
public function fill_livepress_shortcodes($content)
{
global $post;
$is_live = isset($post) ? LivePress_Updater::instance()->blogging_tools->get_post_live_status($post->ID) : false;
if (!$is_live) {
return $content;
}
$options = $this->options;
$new_shortcode = PHP_EOL . PHP_EOL . '[livepress_metainfo';
// do we have a short code
$has_shortcode = false === strpos($content, '[livepress_metainfo') ? false : true;
preg_match('/\\[livepress_metainfo show_timestmp=.?"(.).?".*\\]/s', $content, $show_timestmp);
if (!empty($show_timestmp[1]) || !$has_shortcode) {
$current_time_attr = ' time="' . $this->format_timestamp(current_time('timestamp', 1)) . '" ';
if ($options['timestamp']) {
$new_shortcode .= ' show_timestmp="1" ';
if (isset($this->custom_timestamp)) {
$custom_timestamp = strtotime($this->custom_timestamp);
$new_shortcode .= ' time="' . $this->format_timestamp($custom_timestamp) . '"';
$new_shortcode .= ' timestamp="' . date('c', $custom_timestamp) . '"';
} else {
$new_shortcode .= $current_time_attr;
$new_shortcode .= ' timestamp="' . date('c', current_time('timestamp', 1)) . '"';
}
}
}
preg_match('/\\[livepress_metainfo.*authors=.?"(.*).?".?\\]/', $content, $author_block);
if (empty($author_block) || 0 == strlen($author_block[1])) {
$current_authors = isset($_POST['authors']) ? $_POST['authors'] : array();
$custom_author_names = '';
$separator = '';
foreach ($current_authors as $author) {
$custom_author_names .= $separator . $author['text'];
$separator = ' - ';
}
} else {
$custom_author_names = $author_block[1];
}
$custom_names = explode('\\"', $custom_author_names);
// remove any trailing \"
if ('' !== trim($custom_names[0])) {
$authorname = $custom_names[0];
} else {
$authorname = self::get_author_display_name($options);
}
if ($authorname) {
$new_shortcode .= ' authors="' . $authorname . '"';
}
// look to see if we have an avatar and hide the author name if we have
preg_match('/\\[livepress_metainfo.*avatar_block=.?"shown.?".*\\]/', $content, $avatar_block);
if (!empty($avatar_block)) {
$new_shortcode .= ' avatar_block="shown" ';
}
if ($options['include_avatar']) {
$new_shortcode .= ' has_avatar="1"';
if (isset($this->custom_avatar_url)) {
$new_shortcode .= ' avatar_url="' . $this->custom_avatar_url . '"';
}
}
// Pass the update header thru to processed shortcode
preg_match('/.*update_header=.?"(.*).?".?\\]/', $content, $update_header);
if (isset($update_header[1]) && 'undefined' !== $update_header[1]) {
$new_shortcode .= ' update_header="' . $update_header[1] . '"';
}
$new_shortcode .= ']' . PHP_EOL . PHP_EOL;
// Replace empty livepress_metainfo with calculated one
$content = preg_replace('/\\[livepress_metainfo[^\\]]*]/', $new_shortcode, $content . PHP_EOL);
//unload the filter so it does run again
remove_filter('content_save_pre', array($this, 'fill_livepress_shortcodes'), 5);
// Replace POSTTIME inside livepress_metainfo with current time
if (!empty($show_timestmp[1])) {
$content = preg_replace('/(\\[livepress_metainfo[^\\]]*)POSTTIME([^\\]]*\\])/s', '$1' . $current_time_attr . '$2', $content);
}
return $content;
}
/**
* Set up JS config for output.
*
* @param string $hook Hook suffix for the current screen.
*/
function add_js_config($hook = null)
{
global $post;
// If we are in the admin, only load LivePress JS on the
// post page and the livepress settings page
if (is_admin() && $hook != null && $hook != 'post-new.php' && $hook != 'post.php' && $hook != 'settings_page_livepress-settings') {
return;
}
$is_live = isset($post) ? LivePress_Updater::instance()->blogging_tools->get_post_live_status($post->ID) : false;
// On the front end, only load LivePress JS on pages that are live,
// or when the WordPress admin bar is showing
if (!is_admin() && !is_admin_bar_showing() && !$is_live) {
return;
}
$ljsc = new LivePress_JavaScript_Config();
if ($this->livepress_config->debug() || $this->livepress_config->script_debug()) {
$ljsc->new_value('debug', true, Livepress_Configuration_Item::$BOOLEAN);
}
$ljsc->new_value('ajax_nonce', $this->options['ajax_nonce']);
$ljsc->new_value('ajax_comment_nonce', $this->options['ajax_comment_nonce']);
$ljsc->new_value('ajax_status_nonce', $this->options['ajax_status_nonce']);
$ljsc->new_value('lp_add_live_update_tags_nonce', $this->options['lp_add_live_update_tags_nonce']);
$ljsc->new_value('ajax_twitter_search_nonce', $this->options['ajax_twitter_search_nonce']);
$ljsc->new_value('ajax_twitter_follow_nonce', $this->options['ajax_twitter_follow_nonce']);
$ljsc->new_value('ajax_api_validate_nonce', $this->options['ajax_api_validate_nonce']);
$ljsc->new_value('ajax_lp_post_to_twitter', $this->options['ajax_lp_post_to_twitter']);
$ljsc->new_value('ajax_check_oauth', $this->options['ajax_check_oauth']);
$ljsc->new_value('lp_update_shortlink_nonce', $this->options['lp_update_shortlink_nonce']);
$ljsc->new_value('ajax_lp_collaboration_comments', $this->options['ajax_lp_collaboration_comments']);
$ljsc->new_value('ajax_get_live_edition_data', $this->options['ajax_get_live_edition_data']);
$ljsc->new_value('ajax_lp_im_integration', $this->options['ajax_lp_im_integration']);
$ljsc->new_value('ajax_render_tabs', $this->options['ajax_render_tabs']);
$ljsc->new_value('ajax_update_live_comments', $this->options['ajax_update_live_comments']);
$ljsc->new_value('ajax_new_im_follower', $this->options['ajax_new_im_follower']);
$ljsc->new_value('ajax_start_editor', $this->options['ajax_start_editor']);
$ljsc->new_value('ver', LP_PLUGIN_VERSION);
$ljsc->new_value('oover', $this->livepress_config->lp_ver(), Livepress_Configuration_Item::$ARRAY);
global $wp_scripts;
if ($wp_scripts === null) {
$wp_scripts = new WP_Scripts();
wp_default_scripts($wp_scripts);
}
if (is_a($wp_scripts, 'WP_Scripts')) {
$src = $wp_scripts->query('jquery');
$src = $src->src;
if (!preg_match('|^https?://|', $src) && !($wp_scripts->content_url && 0 === strpos($src, $wp_scripts->content_url))) {
$src = $wp_scripts->base_url . $src;
}
$ljsc->new_value('jquery_url', $src . '?');
}
if (function_exists('get_current_screen')) {
$screen = get_current_screen();
if (is_a($screen, 'WP_Screen')) {
$ljsc->new_value('current_screen', array('base' => $screen->base, 'id' => $screen->id), Livepress_Configuration_Item::$ARRAY);
}
}
$ljsc->new_value('wpstatic_url', LP_PLUGIN_URL);
$ljsc->new_value('static_url', $this->livepress_config->static_host());
$ljsc->new_value('lp_plugin_url', LP_PLUGIN_URL);
$ljsc->new_value('blog_gmt_offset', get_option('gmt_offset'), Livepress_Configuration_Item::$LITERAL);
$theme_name = strtolower(wp_get_theme()->Name);
$ljsc->new_value('theme_name', $theme_name);
try {
if (isset($this->title_css_selectors[$theme_name])) {
$title_css_selector = $this->title_css_selectors[$theme_name];
$title_css_selector = apply_filters('livepress_title_css_selector', $title_css_selector, $theme_name);
$ljsc->new_value('custom_title_css_selector', $title_css_selector);
}
} catch (livepress_invalid_option_exception $e) {
}
try {
if (isset($this->background_colors[$theme_name])) {
$background_color = $this->background_colors[$theme_name];
$background_color = apply_filters('livepress_background_color', $background_color, $theme_name);
$ljsc->new_value('custom_background_color', $background_color);
}
} catch (livepress_invalid_option_exception $e) {
}
if (is_home()) {
$page_type = 'home';
} elseif (is_page()) {
$page_type = 'page';
} elseif (is_single()) {
$page_type = 'single';
} elseif (is_admin()) {
$page_type = 'admin';
} else {
$page_type = 'undefined';
}
$ljsc->new_value('page_type', $page_type);
// Comments
if (isset($post->ID)) {
$args = array('post_id' => isset($post->ID) ? $post->ID : null);
$post_comments = get_comments($args);
$old_comments = isset($GLOBALS['wp_query']->comments) ? $GLOBALS['wp_query']->comments : null;
$GLOBALS['wp_query']->comments = $post_comments;
$comments_per_page = get_comment_pages_count($post_comments, get_option('comments_per_page'));
$GLOBALS['wp_query']->comments = $old_comments;
$this->lp_comment->js_config($ljsc, $post, intval(get_query_var('cpage')), $comments_per_page);
// Fetch rexisting shortlinks
$sl = array();
foreach (get_post_meta($post->ID) as $k => $m) {
if (preg_match('/^_livepress_shortlink_([0-9]+)$/', $k, $r)) {
$sl[$r[1]] = $m[0];
}
}
$ljsc->new_value('shortlink', $sl, Livepress_Configuration_Item::$ARRAY);
$ljsc->new_value('post_url', get_permalink($post->ID));
$ljsc->new_value('post_title', $post->post_title);
}
$ljsc->new_value('new_post_msg_id', get_option(LP_PLUGIN_NAME . '_new_post'));
$notifications = isset($this->options['notifications']) ? $this->options['notifications'] : array();
$ljsc->new_value('sounds_default', in_array('audio', $notifications), Livepress_Configuration_Item::$BOOLEAN);
$ljsc->new_value('autoscroll', in_array('scroll', $notifications), Livepress_Configuration_Item::$BOOLEAN);
$ljsc->new_value('effects', in_array('effects', $notifications), Livepress_Configuration_Item::$BOOLEAN);
// colors used to highlight changes
$ljsc->new_value('oortle_diff_inserted', apply_filters('livepress_effects_inserted', '#55C64D'));
$ljsc->new_value('oortle_diff_changed', apply_filters('livepress_effects_changed', '#55C64D'));
$ljsc->new_value('oortle_diff_inserted_block', apply_filters('livepress_effects_inserted_block', '#ffff66'));
$ljsc->new_value('oortle_diff_removed_block', apply_filters('livepress_effects_removed_block', '#C63F32'));
$ljsc->new_value('oortle_diff_removed', apply_filters('livepress_effects_removed', '#C63F32'));
if (is_admin() || $is_live) {
if (isset($post->ID) && $post->ID) {
$args = array('post_id' => $post->ID);
$post_comments = get_comments($args);
if (!empty($post_comments)) {
$ljsc->new_value('comment_pages_count', get_comment_pages_count($post_comments, get_option('comments_per_page')), Livepress_Configuration_Item::$LITERAL);
}
$feed_link = $this->get_current_post_feed_link();
if (sizeof($feed_link)) {
$ljsc->new_value('feed_sub_link', $feed_link[0]);
$ljsc->new_value('feed_title', LivePress_Feed::feed_title());
}
$ljsc->new_value('post_id', $post->ID);
$ljsc->new_value('post_id', $post->ID);
$ljsc->new_value('post_live_status', $is_live);
$pf = LivePress_PF_Updates::get_instance();
if (!$pf->near_uuid) {
$pf->cache_pieces($post);
}
$ljsc->new_value('post_update_msg_id', $pf->near_uuid);
}
$author = '';
$user = wp_get_current_user();
if ($user->ID) {
if (empty($user->display_name)) {
$author = $user->user_login;
} else {
$author = $user->display_name;
}
}
$ljsc->new_value('current_user', $author);
if (is_admin()) {
// Is post_from turned on
if ($this->user_options['remote_post']) {
$ljsc->new_value('remote_post', true, Livepress_Configuration_Item::$BOOLEAN);
} else {
$ljsc->new_value('remote_post', false, Livepress_Configuration_Item::$BOOLEAN);
}
$ljsc->new_value('PostMetainfo', '', Livepress_Configuration_Item::$BLOCK);
// Set if the live updates should display the timestamp
$timestamp = isset($this->options['timestamp']) ? $this->options['timestamp'] : false;
if ($timestamp) {
$template = LivePress_Live_Update::timestamp_template();
$ljsc->new_value('timestamp_template', $template);
}
// Set url for the avatar
$include_avatar = isset($this->options['include_avatar']) ? $this->options['include_avatar'] : false;
$ljsc->new_value('has_avatar', $include_avatar, Livepress_Configuration_Item::$BOOLEAN);
// Set the author name
$update_author = isset($this->options['update_author']) ? $this->options['update_author'] : false;
if ($update_author) {
$use_default_author = true === apply_filters('livepress_use_default_author', true) ? true : false;
$ljsc->new_value('use_default_author', $use_default_author, Livepress_Configuration_Item::$BOOLEAN);
$author_display_name = $use_default_author ? LivePress_Live_Update::get_author_display_name($this->options) : '';
$ljsc->new_value('author_display_name', $author_display_name);
$user = wp_get_current_user();
$author_id = isset($user->ID) ? $user->ID : 0;
$ljsc->new_value('author_id', $use_default_author ? $author_id : '');
}
// The last attribute shouldn't have a comma
// Set where the live updates should be inserted (top|bottom)
$feed_order = isset($this->options['feed_order']) ? $this->options['feed_order'] : false;
$ljsc->new_value('placement_of_updates', $feed_order);
$ljsc->new_value("PostMetainfo", "", Livepress_Configuration_Item::$ENDBLOCK);
$ljsc->new_value('allowed_chars_on_post_update_id', implode(LivePress_Post::$ALLOWED_CHARS_ON_ID));
$ljsc->new_value('num_chars_on_post_update_id', LivePress_Post::$NUM_CHARS_ID, Livepress_Configuration_Item::$LITERAL);
}
}
$ljsc->new_value('site_url', site_url());
$ljsc->new_value('ajax_url', site_url() . '/wp-admin/admin-ajax.php');
$ljsc->new_value('locale', get_locale());
if (function_exists('wpcom_vip_noncdn_uri')) {
$ljsc->new_value('noncdn_url', wpcom_vip_noncdn_uri(dirname(dirname(__FILE__))));
} else {
$ljsc->new_value('noncdn_url', LP_PLUGIN_URL);
}
// Check if we have the Facebook embed plugin so we have to load
// the FB js on livepress.admin.js:
if (class_exists('Facebook_Loader')) {
$ljsc->new_value('facebook', 'yes');
}
$settings = get_option('livepress');
if (isset($settings['update_format'])) {
$ljsc->new_value('timestamp_format', $settings['timestamp_format']);
}
// Check for Facebook App ID for sharing UI:
if (isset($settings['facebook_app_id'])) {
$ljsc->new_value('facebook_app_id', $settings['facebook_app_id']);
}
if (isset($settings['sharing_ui'])) {
$ljsc->new_value('sharing_ui', $settings['sharing_ui']);
}
if (isset($post->ID)) {
$ljsc->new_value('post_url', get_permalink($post->ID));
}
// Localize `LivepressConfig` in admin and on front end live posts
if (is_admin()) {
// Add the update_formatting
if (isset($settings['update_format'])) {
$ljsc->new_value('update_format', $settings['update_format']);
}
if (isset($settings['show'])) {
$ljsc->new_value('show', $settings['show']);
}
// Add existing livetags
$live_update_tags = get_terms(array('livetags'), array('hide_empty' => false));
if (!empty($live_update_tags) && !is_wp_error($live_update_tags)) {
$update_tags = wp_list_pluck($live_update_tags, 'name');
} else {
$update_tags = '';
}
$ljsc->new_value('live_update_tags', $update_tags);
$ljsc->new_value('current_screen', get_current_screen());
wp_localize_script('lp-admin', 'LivepressConfig', $ljsc->get_values());
} else {
wp_localize_script('livepress-plugin-loader', 'LivepressConfig', $ljsc->get_values());
}
$ljsc->flush();
}
/**
* Called by livepress webservice instead of editPost as we need to save
* display_author (if passed) before the actual post save method so we know the
* real author of update.
* Also, we want to fetch post and append given content to it here, as doing it
* in livepress webservice can cause race conditions.
* This handles passed values, updates the arguments and passes them to
* xmlrpc.php so it works as nothing happened.
*
* Handles custom_fields correclty
*
* @param array $args
*
* @return bool
*/
function livepress_append_to_post($args)
{
global $wp_xmlrpc_server, $wpdb;
$wp_xmlrpc_server->escape($args);
$username = esc_sql($args[1]);
$password = esc_sql($args[2]);
$post_id = (int) $args[0];
$content_struct = $args[3];
if (!($user = _livepress_authenticate($username, $password))) {
return $wp_xmlrpc_server->error;
}
// at this point the user is authenticated
// Check that the user can edit the post
if (!user_can($user, 'edit_post', $post_id)) {
return false;
}
// Verify that the post is live
$blogging_tools = new LivePress_Blogging_Tools();
$is_live = $blogging_tools->get_post_live_status($post_id);
if (!$is_live) {
return false;
}
wp_set_current_user($user->ID);
// Allow updates
if (isset($content_struct['display_author'])) {
LivePress_Updater::instance()->set_custom_author_name($content_struct['display_author']);
}
if (isset($content_struct['created_at'])) {
LivePress_Updater::instance()->set_custom_timestamp($content_struct['created_at']);
}
if (isset($content_struct['avatar_url'])) {
LivePress_Updater::instance()->set_custom_avatar_url($content_struct['avatar_url']);
}
$plugin_options = get_option(LivePress_Administration::$options_name);
// Adds metainfo shortcode
$content_struct['description'] = "[livepress_metainfo] " . $content_struct['description'];
$content_struct['ID'] = $args[0];
$content_struct['post_content'] = $content_struct['description'];
return wp_update_post($content_struct);
}
/**
* Add content CSS.
*
* @param $init
* @return mixed
*/
function add_content_css($init)
{
if (!LivePress_Updater::instance()->blogging_tools->get_post_live_status(get_the_ID())) {
return $init;
}
$css_for_tinymce = LP_PLUGIN_URL . 'tinymce/css/inside.css';
$css = LP_PLUGIN_URL . 'css/livepress.css';
$init['content_css'] .= ',' . $css . ',' . $css_for_tinymce;
return $init;
}
/**
* LivePress update box output.
*/
function livepress_update_box()
{
static $called = 0;
if ($called++) {
return;
}
if (LivePress_Updater::instance()->has_livepress_enabled()) {
echo '<div id="lp-update-box"></div>';
}
}
/**
* Populate the pieces array based on a given parent post.
*
* @param object $parent Parent post for which we're assembling pieces
*/
protected function assemble_pieces($parent, $cache = false)
{
global $wp_filter;
// Remove all the_content filters so child posts are not filtered
// removing share, vote and other per-post items from the live update stream.
// Store the filters first for later restoration so filters still fire outside the update stream
$stored_wp_filter_the_content = $wp_filter;
$this->clear_most_the_content_filters();
if (!is_object($parent)) {
$parent = get_post($parent);
}
if ($cache) {
$this->cache = $parent->ID;
} elseif ($this->cache == $parent->ID) {
return;
}
$this->post_modified_gmt = $parent->post_modified_gmt;
$this->near_uuid = '';
$min_uuid_ts = 2 * 60;
// not earlier, than 2 minutes
$near_uuid_ts = 0;
$now = new DateTime();
$pieces = array();
// Set up child posts
$children = get_children(array('post_type' => 'post', 'post_parent' => $parent->ID, 'suppress_filters' => false));
$child_pieces = array();
$live_tags = array();
$update_count = 0;
$child_count = count($children);
$user_id = get_current_user_id();
if ($child_count > 0) {
foreach ($children as $child) {
$update_meta = get_post_meta($child->ID, '_livepress_update_meta', true);
$is_draft = false !== $update_meta && is_array($update_meta) && array_key_exists('draft', $update_meta) && true == $update_meta['draft'] ? true : false;
// if this is a draft only include the current authors posts
if ($is_draft && $user_id !== absint($child->post_author)) {
continue;
}
$update_count++;
$post = $child;
list($_, $piece_id, $piece_gen) = explode('__', $child->post_title, 3);
$this->post_modified_gmt = max($this->post_modified_gmt, $child->post_modified_gmt);
$modified = new DateTime($child->post_modified_gmt, new DateTimeZone('UTC'));
$since = $now->format('U') - $modified->format('U');
if ($since > $min_uuid_ts && ($since < $near_uuid_ts || $near_uuid_ts == 0)) {
$near_uuid_ts = $since;
$this->near_uuid = $piece_id . ':' . $piece_gen;
}
// Grab and integrate any live update tags
$update_tags = get_the_terms($child->ID, 'livetags');
$update_tag_classes = $is_draft ? ' livepress-draft ' : '';
if (!empty($update_tags)) {
foreach ($update_tags as $a_tag) {
$live_tag_name = $a_tag->name;
$update_tag_classes .= ' live-update-livetag-' . sanitize_title_with_dashes($live_tag_name);
if (!in_array($live_tag_name, $live_tags)) {
array_push($live_tags, $live_tag_name);
}
}
$update_tag_classes .= ' livepress-has-tags ';
}
$pin_header = LivePress_Updater::instance()->blogging_tools->is_post_header_enabled($parent->ID);
$piece = array('id' => $piece_id, 'lpg' => $piece_gen, 'content' => $child->post_content, 'proceed' => apply_filters('the_content', $child->post_content), 'prefix' => sprintf('<div id="livepress-update-%s" data-lpg="%d" class="livepress-update%s %s">', $piece_id, $piece_gen, $update_tag_classes, $child_count == $update_count && $pin_header ? 'pinned-first-live-update' : ''), 'suffix' => '</div>', 'meta' => $update_meta);
$child_pieces[] = $piece;
}
}
// Display posts oldest-newest by default
$child_pieces = array_reverse($child_pieces);
$pieces = array_merge($pieces, $child_pieces);
if (0 !== count($pieces)) {
if ('top' == $this->order) {
// If the header is pinned and the order reversed, ensure the first post remains first
$pin_header = LivePress_Updater::instance()->blogging_tools->is_post_header_enabled($parent->ID);
if ($pin_header) {
$first = array_shift($pieces);
$pieces = array_reverse($pieces);
array_unshift($pieces, $first);
} else {
$pieces = array_reverse($pieces);
}
}
}
$this->pieces = $pieces;
$this->livetags = $live_tags;
// Restore the_content filters and carry on
$wp_filter = $stored_wp_filter_the_content;
}
/**
* Called by filter in the CoSchedule Plugin
* Returns false to stop an update from being posted to the CoSchedule system
* as only parent post needs to be scheduled
*
* @param bool $state
* @param int $post_id
*
* @return bool
*/
static function tm_coschedule_save_post_callback_filter($state, $post_id)
{
$parent_id = wp_get_post_parent_id(abs($post_id));
if (LivePress_Updater::instance()->blogging_tools->get_post_live_status($parent_id)) {
$state = false;
}
// really make sure that we return a bool
return false === $state ? false : true;
}
