/**
* Displays an error message and exits.
*/
function die_with_error($error, $help = '')
{
echo Colours::fg('red');
echo "Error: {$error}\n";
echo Colours::off();
if (!empty($help)) {
echo "\n{$help}\n";
}
exit(1);
}
/**
* Emits the details of hooks and filters as they are called, if required
*/
public function wps_filter_all($hook)
{
global $wp_filter;
//
// Check whether this hook should be displayed
//
$display = false;
foreach ($this->options['show-hooks'] as $show) {
if (preg_match("/^{$show}\$/", $hook)) {
$display = true;
break;
}
}
if (!$display) {
return;
}
//
// If this hook has no callbacks, just bail
//
if (empty($wp_filter[$hook]) || !count($wp_filter[$hook])) {
return;
}
//
// Find the callbacks
//
$callback_messages = array();
$all_wp_core = true;
$hooks = $wp_filter[$hook];
// TODO: this erroneously reorders hooks with the same priority
ksort($hooks, SORT_NUMERIC);
foreach ($hooks as $priority => $callbacks) {
foreach ($callbacks as $callback) {
if (is_array($callback['function'])) {
$function = $callback['function'][1];
} else {
$function = $callback['function'];
}
// Skip Whippet callbacks
if (preg_match('/^wps_/', $function)) {
continue;
}
$callback_message = "\t{$priority}: " . Colours::fg('cyan') . $function . Colours::off();
$callback_data = $this->cb_cache->lookup($function);
if (!$callback_data) {
// Find the function
$file = exec("grep -rn 'function {$function}' {$this->options['wp-root']}/*");
if (empty($file) && isset($this->options['wp-content'])) {
$file = exec("grep -rn 'function {$function}' {$this->options['wp-content']}/*");
}
// If we got it, add an entry to the cache
if (!empty($file) && preg_match('/^([^:]+):(\\d+):/', $file, $matches)) {
$this->cb_cache->add($function, $matches[1], $matches[2]);
$callback_data = $this->cb_cache->lookup($function);
}
}
if ($callback_data) {
// Is this a callback outside the WP core?
if (preg_match('/wp-content/', $callback_data['file'])) {
$all_wp_core = false;
}
// Make paths relative
$callback_data['file'] = str_replace($this->options['wp-root'], '', $callback_data['file']);
if (!empty($this->options['wp-content'])) {
$callback_data['file'] = str_replace($this->options['wp-content'], '', $callback_data['file']);
}
$callback_message .= " in " . Colours::fg("brown") . str_replace($this->options['wp-root'] . "/wp-content/", '', $callback_data['file']) . Colours::off() . " at line {$callback_data['line']}";
} else {
$callback_message .= " (couldn't find this function's definition)";
}
$callback_messages[] = $callback_message;
}
}
//
// If we're not showing WP core hooks, and all these callbacks are from the core, bail
// If there are no callbacks (probably because a whippet callback was skipped), bail
//
if (!isset($this->options['show-wp-hooks']) && $all_wp_core) {
return;
}
if (!count($callback_messages)) {
return;
}
//
// Find the caller
//
$type = '';
$caller = '';
$backtrace = debug_backtrace();
foreach ($backtrace as $i => $value) {
if ($value['function'] == 'apply_filters' || $value['function'] == 'do_action' || $value['function'] == 'apply_filters_ref_array' || $value['function'] == 'do_action_ref_array') {
$caller = $backtrace[$i + 1];
if ($value['function'] == 'apply_filters') {
$type = "Filter";
} else {
$type = "Action";
}
break;
}
}
//
// Put together the message
//
$message = Colours::fg('bold_cyan') . "Hook triggered: " . Colours::off() . "{$type} " . Colours::fg('cyan') . "{$hook}" . Colours::off() . " called from function " . Colours::fg('cyan') . "{$caller['function']}";
if (!empty($caller['file'])) {
$message .= Colours::off() . " in " . Colours::fg('brown') . str_replace($this->options['wp-root'], '', $caller['file']);
}
if (!empty($caller['line'])) {
$message .= Colours::off() . " at line {$caller['line']}";
}
$this->message("{$message}" . Colours::off());
foreach ($callback_messages as $callback_message) {
$this->message($callback_message);
}
}
function signal_handler($signal)
{
global $options;
// Delete the settings file
if (file_exists(sys_get_temp_dir() . "/.whippet-arguments")) {
unlink(sys_get_temp_dir() . "/.whippet-arguments");
}
// Delete the output buffer
if (file_exists(sys_get_temp_dir() . "/.whippet-output")) {
unlink(sys_get_temp_dir() . "/.whippet-output");
}
// Delete the callback cache
if (file_exists($options['cb-cache'])) {
unlink($options['cb-cache']);
}
// Restore original wp-config
if (WPS_LOCATION == 'root') {
if (file_exists(dirname($options['wp-config']) . "/wp-config-original.whippet.bak")) {
file_put_contents($options['wp-config'], file_get_contents(dirname($options['wp-config']) . "/wp-config-original.whippet.bak"));
unlink(dirname($options['wp-config']) . "/wp-config-original.whippet.bak");
} else {
if (WPS_LOCATION == 'root') {
Whippet::message(Colours::fg('red') . "Error: " . Colours::off() . "Unable to find wp-config backup file; could not restore original configuration", "Your wp-config file should have been backed up at " . dirname($options['wp-config']) . "/wp-config-original.whippet.bak, but\n" . "it is missing or unreadable. You should edit your wp-config.php by hand to remove the\n" . "Whippet sections.\n");
}
}
} else {
if (WPS_LOCATION == 'wp-content') {
if (file_exists("{$options['wordpresses']}/{$options['wp-version']}/wp-config.php")) {
unlink("{$options['wordpresses']}/{$options['wp-version']}/wp-config.php");
}
}
}
echo "\nQuitting.\n[0m";
exit(0);
}
