/**
* Admin notices action
*
* @return void
*/
function admin_notices()
{
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin_ui.php');
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin.php');
$cookie_domain = w3_get_cookie_domain();
$error_messages = array('fancy_permalinks_disabled_pgcache' => sprintf(__('Fancy permalinks are disabled. Please %s it first, then re-attempt to enabling enhanced disk mode.', 'w3-total-cache'), w3_button_link('enable', 'options-permalink.php')), 'fancy_permalinks_disabled_browsercache' => sprintf(__('Fancy permalinks are disabled. Please %s it first, then re-attempt to enabling the \'Do not process 404 errors for static objects with WordPress\'.', 'w3-total-cache'), w3_button_link('enable', 'options-permalink.php')), 'support_request_type' => __('Please select request type.', 'w3-total-cache'), 'support_request_url' => __('Please enter the address of the site in the site <acronym title="Uniform Resource Locator">URL</acronym> field.', 'w3-total-cache'), 'support_request_name' => __('Please enter your name in the Name field', 'w3-total-cache'), 'support_request_email' => __('Please enter valid email address in the E-Mail field.', 'w3-total-cache'), 'support_request_phone' => __('Please enter your phone in the phone field.', 'w3-total-cache'), 'support_request_subject' => __('Please enter subject in the subject field.', 'w3-total-cache'), 'support_request_description' => __('Please describe the issue in the issue description field.', 'w3-total-cache'), 'support_request_wp_login' => __('Please enter an administrator login. Create a temporary one just for this support case if needed.', 'w3-total-cache'), 'support_request_wp_password' => __('Please enter WP Admin password, be sure it\'s spelled correctly.', 'w3-total-cache'), 'support_request_ftp_host' => __('Please enter <acronym title="Secure Shell">SSH</acronym> or <acronym title="File Transfer Protocol">FTP</acronym> host for the site.', 'w3-total-cache'), 'support_request_ftp_login' => __('Please enter <acronym title="Secure Shell">SSH</acronym> or <acronym title="File Transfer Protocol">FTP</acronym> login for the server. Create a temporary one just for this support case if needed.', 'w3-total-cache'), 'support_request_ftp_password' => __('Please enter <acronym title="Secure Shell">SSH</acronym> or <acronym title="File Transfer Protocol">FTP</acronym> password for the <acronym title="File Transfer Protocol">FTP</acronym> account.', 'w3-total-cache'), 'support_request' => __('Unable to send the support request.', 'w3-total-cache'), 'config_import_no_file' => __('Please select config file.', 'w3-total-cache'), 'config_import_upload' => __('Unable to upload config file.', 'w3-total-cache'), 'config_import_import' => __('Configuration file could not be imported.', 'w3-total-cache'), 'config_reset' => sprintf(__('Default settings could not be restored. Please run <strong>chmod 777 %s</strong> to make the configuration file write-able, then try again.', 'w3-total-cache'), W3TC_CONFIG_DIR), 'cdn_purge_attachment' => __('Unable to purge attachment.', 'w3-total-cache'), 'pgcache_purge_post' => __('Unable to purge post.', 'w3-total-cache'), 'pgcache_purge_page' => __('Unable to purge page.', 'w3-total-cache'), 'enable_cookie_domain' => sprintf(__('<strong>%swp-config.php</strong> could not be written, please edit config and add:<br /><strong style="color:#f00;">define(\'COOKIE_DOMAIN\', \'%s\');</strong> before <strong style="color:#f00;">require_once(ABSPATH . \'wp-settings.php\');</strong>.', 'w3-total-cache'), ABSPATH, addslashes($cookie_domain)), 'disable_cookie_domain' => sprintf(__('<strong>%swp-config.php</strong> could not be written, please edit config and add:<br /><strong style="color:#f00;">define(\'COOKIE_DOMAIN\', false);</strong> before <strong style="color:#f00;">require_once(ABSPATH . \'wp-settings.php\');</strong>.', 'w3-total-cache'), ABSPATH), 'cloudflare_api_request' => __('Unable to make CloudFlare API request.', 'w3-total-cache'));
$note_messages = array('config_save' => __('Plugin configuration successfully updated.', 'w3-total-cache'), 'flush_all' => __('All caches successfully emptied.', 'w3-total-cache'), 'flush_all_except_cf' => __('All caches except CloudFlare successfully emptied.', 'w3-total-cache'), 'flush_memcached' => __('Memcached cache(s) successfully emptied.', 'w3-total-cache'), 'flush_opcode' => __('Opcode cache(s) successfully emptied.', 'w3-total-cache'), 'flush_apc_system' => __('APC system cache successfully emptied', 'w3-total-cache'), 'flush_file' => __('Disk cache(s) successfully emptied.', 'w3-total-cache'), 'flush_pgcache' => __('Page cache successfully emptied.', 'w3-total-cache'), 'flush_dbcache' => __('Database cache successfully emptied.', 'w3-total-cache'), 'flush_objectcache' => __('Object cache successfully emptied.', 'w3-total-cache'), 'flush_fragmentcache' => __('Fragment cache successfully emptied.', 'w3-total-cache'), 'flush_minify' => __('Minify cache successfully emptied.', 'w3-total-cache'), 'flush_browser_cache' => __('Media Query string has been successfully updated.', 'w3-total-cache'), 'flush_varnish' => __('Varnish servers successfully purged.', 'w3-total-cache'), 'flush_cdn' => __('CDN was successfully purged.', 'w3-total-cache'), 'support_request' => __('The support request has been successfully sent.', 'w3-total-cache'), 'config_import' => __('Settings successfully imported.', 'w3-total-cache'), 'config_reset' => __('Settings successfully restored.', 'w3-total-cache'), 'preview_enable' => __('Preview mode was successfully enabled', 'w3-total-cache'), 'preview_disable' => __('Preview mode was successfully disabled', 'w3-total-cache'), 'preview_deploy' => __('Preview settings successfully deployed. Preview mode remains enabled until it\'s disabled. Continue testing new settings or disable preview mode if done.', 'w3-total-cache'), 'cdn_purge_attachment' => __('Attachment successfully purged.', 'w3-total-cache'), 'pgcache_purge_post' => __('Post successfully purged.', 'w3-total-cache'), 'pgcache_purge_page' => __('Page successfully purged.', 'w3-total-cache'), 'new_relic_save' => __('New relic settings have been updated.', 'w3-total-cache'), 'add_in_removed' => __('The add-in has been removed.', 'w3-total-cache'));
$errors = array();
$notes = array();
$environment_error_present = false;
// print errors happened during last request execution,
// when we decided to redirect with error message instead of
// printing it directly (to avoid reexecution on refresh)
$message_id = W3_Request::get_string('w3tc_message');
if ($message_id) {
$v = get_transient('w3tc_message.' . $message_id);
set_transient('w3tc_message.' . $message_id, null);
if (isset($v['errors']) && is_array($v['errors'])) {
foreach ($v['errors'] as $error) {
if (isset($error_messages[$error])) {
$errors[] = $error_messages[$error];
} else {
$errors[] = $error;
}
}
}
if (isset($v['notes']) && is_array($v['notes'])) {
foreach ($v['notes'] as $note) {
if (isset($note_messages[$note])) {
$notes[] = $note_messages[$note];
} else {
$notes[] = $note;
}
}
}
}
/*
* Filesystem environment fix, if needed
*/
try {
global $pagenow;
if ($pagenow == 'plugins.php' || substr(W3_Request::get_string('page'), 0, 5) == 'w3tc_') {
$environment = w3_instance('W3_AdminEnvironment');
$environment->fix_in_wpadmin($this->_config);
if (isset($_REQUEST['upgrade'])) {
$notes[] = __('Required files and directories have been automatically created', 'w3-total-cache');
}
}
} catch (SelfTestExceptions $exs) {
$r = w3_parse_selftest_exceptions($exs);
foreach ($r['before_errors'] as $e) {
$errors[] = $e;
}
if (strlen($r['required_changes']) > 0) {
$changes_style = 'border: 1px solid black; ' . 'background: white; ' . 'margin: 10px 30px 10px 30px; ' . 'padding: 10px; display: none';
$ftp_style = 'border: 1px solid black; background: white; ' . 'margin: 10px 30px 10px 30px; ' . 'padding: 10px; display: none';
$ftp_form = str_replace('class="wrap"', '', $exs->credentials_form());
$ftp_form = str_replace('<form ', '<form name="w3tc_ftp_form" ', $ftp_form);
$ftp_form = str_replace('<fieldset>', '', $ftp_form);
$ftp_form = str_replace('</fieldset>', '', $ftp_form);
$ftp_form = str_replace('id="upgrade" class="button"', 'id="upgrade" class="button w3tc-button-save"', $ftp_form);
$error = '<strong>W3 Total Cache Error:</strong> ' . 'Files and directories could not be automatically ' . 'created to complete the installation. ' . '<table>' . '<tr>' . '<td>Please execute commands manually</td>' . '<td>' . w3_button('View required changes', '', 'w3tc-show-required-changes') . '</td>' . '</tr>' . '<tr>' . '<td>or use FTP form to allow ' . '<strong>W3 Total Cache</strong> make it automatically.' . '</td>' . '<td>' . w3_button('Update via FTP', '', 'w3tc-show-ftp-form') . '</td>' . '</tr></table>' . '<div class="w3tc-required-changes" style="' . $changes_style . '">' . $r['required_changes'] . '</div>' . '<div class="w3tc-ftp-form" style="' . $ftp_style . '">' . $ftp_form . '</div>';
$environment_error_present = true;
$errors[] = $error;
}
foreach ($r['later_errors'] as $e) {
$errors[] = $e;
}
}
/**
* CloudFlare notifications
* @var $w3_cloudflare W3_CloudFlare
*/
$w3_cloudflare = w3_instance('W3_CloudFlare');
if ($error = $w3_cloudflare->check_lasterror()) {
$this->_errors[] = $error;
}
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$error = W3_Request::get_string('w3tc_error');
$note = W3_Request::get_string('w3tc_note');
/**
* Handle messages from reqeust
*/
if ($error == 'cloudflare_api_request' && $w3_cloudflare->get_fault_signaled()) {
// dont complain twice on cloudflare
} elseif (isset($error_messages[$error])) {
$errors[] = $error_messages[$error];
}
if (isset($note_messages[$note])) {
$notes[] = $note_messages[$note];
}
/**
* CDN notifications
*/
if ($this->_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($this->_config->get_string('cdn.engine'))) {
/**
* @var $ui_cdn_notes W3_UI_CdnNotes
*/
$cdn_notes = w3_instance('W3_UI_CdnNotes');
$this->_notes = array_merge($this->_notes, $cdn_notes->notifications($this->_config));
$this->_errors = array_merge($this->_errors, $cdn_notes->errors());
}
/**
* Show notification after plugin activate/deactivate
*/
if ($this->_config->get_boolean('notes.plugins_updated')) {
$texts = array();
if ($this->_config->get_boolean('pgcache.enabled')) {
$texts[] = w3_button_link(__('empty the page cache', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_pgcache', $this->_page), 'w3tc'));
}
if ($this->_config->get_boolean('minify.enabled')) {
$texts[] = sprintf(__('check the %s to maintain the desired user experience', 'w3-total-cache'), w3_button_hide_note(__('minify settings', 'w3-total-cache'), 'plugins_updated', 'admin.php?page=w3tc_minify'));
}
if (count($texts)) {
$notes[] = sprintf(__('One or more plugins have been activated or deactivated, please %s. %s', 'w3-total-cache'), implode(__(' and ', 'w3-total-cache'), $texts), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'plugins_updated'));
}
}
/**
* Show notification when page cache needs to be emptied
*/
if ($this->_config->get_boolean('pgcache.enabled') && $this->_config->get('notes.need_empty_pgcache') && !$this->_config->is_preview()) {
$notes[] = sprintf('The setting change(s) made either invalidate the cached data or modify the behavior of the site. %s now to provide a consistent user experience.', w3_button_link('Empty the page cache', wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_pgcache', $this->_page), 'w3tc')));
}
/**
* Show notification when object cache needs to be emptied
*/
if ($this->_config->get_boolean('objectcache.enabled') && $this->_config->get('notes.need_empty_objectcache') && !$this->_config->is_preview()) {
$notes[] = sprintf(__('The setting change(s) made either invalidate the cached data or modify the behavior of the site. %s now to provide a consistent user experience.', 'w3-total-cache'), w3_button_link(__('Empty the object cache', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_objectcache', $this->_page), 'w3tc')));
}
/**
* Minify notifications
*/
if ($this->_config->get_boolean('minify.enabled')) {
/**
* Minify error occured
*/
if ($this->_config_admin->get_boolean('notes.minify_error')) {
$errors[] = sprintf(__('Recently an error occurred while creating the CSS / JS minify cache: %s. %s', 'w3-total-cache'), $this->_config_admin->get_string('minify.error.last'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'minify_error', '', true));
}
/**
* Show notification when minify needs to be emptied
*/
if ($this->_config->get_boolean('notes.need_empty_minify') && !$this->_config->is_preview()) {
$notes[] = sprintf(__('The setting change(s) made either invalidate the cached data or modify the behavior of the site. %s now to provide a consistent user experience.', 'w3-total-cache'), w3_button_link(__('Empty the minify cache', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_minify', $this->_page), 'w3tc')));
}
}
if ($this->_config->get_boolean('newrelic.enabled') && $this->_config_admin->get_boolean('notes.new_relic_page_load_notification')) {
/**
* @var W3_UI_NewRelicNotes $newrelic_notes
*/
$newrelic_notes = w3_instance('W3_UI_NewRelicNotes');
$this->_notes = array_merge($this->_notes, $newrelic_notes->notifications($this->_config));
}
/**
* Show notification if user can remove old w3tc folders
*/
if ($this->_config_admin->get_boolean('notes.remove_w3tc')) {
w3_require_once(W3TC_INC_DIR . '/functions/update.php');
$folders = w3_find_old_folders();
$folders = array_map('basename', $folders);
$notes[] = sprintf(__('The directory w3tc can be deleted. %s: %s. However, <em>do not remove the w3tc-config directory</em>. %s', 'w3-total-cache'), WP_CONTENT_DIR, implode(', ', $folders), w3_button_hide_note('Hide this message', 'remove_w3tc', '', true));
}
// print errors which happened during current request execution
foreach ($this->_errors as $error) {
$errors[] = $error;
}
// print notes which happened during current request execution
foreach ($this->_notes as $note) {
$notes[] = $note;
}
/**
* Show messages
*/
foreach ($notes as $note) {
echo sprintf('<div class="updated fade"><p>%s</p></div>', $note);
}
foreach ($errors as $error) {
echo sprintf('<div class="error"><p>%s</p></div>', $error);
}
}
/**
* Enables COOKIE_DOMAIN
*
* @return bool
*/
function enable_cookie_domain()
{
$config_path = w3_get_wp_config_path();
$config_data = @file_get_contents($config_path);
if ($config_data === false) {
return false;
}
$cookie_domain = w3_get_cookie_domain();
if ($this->is_cookie_domain_define($config_data)) {
$new_config_data = preg_replace(W3TC_PLUGIN_TOTALCACHE_REGEXP_COOKIEDOMAIN, "define('COOKIE_DOMAIN', '" . addslashes($cookie_domain) . "')", $config_data, 1);
} else {
$new_config_data = preg_replace('~<\\?(php)?~', "\\0\r\ndefine('COOKIE_DOMAIN', '" . addslashes($cookie_domain) . "'); // " . __('Added by W3 Total Cache', 'w3-total-cache') . "\r\n", $config_data, 1);
}
if ($new_config_data != $config_data) {
if (!@file_put_contents($config_path, $new_config_data)) {
return false;
}
}
return true;
}