/**
* Writes an event to a file descriptor or socket.
* Takes an event ID and an event, encodes it as query string,
* and writes it to the UDP / TCP address or file specified by
* $wgEventLoggingFile. If $wgEventLoggingFile is not set, returns
* false without logging anything.
*
* @see wfErrorLog
*
* @param string $schema: Schema name.
* @param integer $revId: revision ID of schema
* @param array $event: Map of event keys/vals.
* @return bool: Whether the event was logged.
*/
function efLogServerSideEvent($schemaName, $revId, $event)
{
global $wgDBname, $wgEventLoggingFile;
if (!$wgEventLoggingFile) {
return false;
}
wfProfileIn(__FUNCTION__);
$remoteSchema = new RemoteSchema($schemaName, $revId);
$schema = $remoteSchema->get();
try {
$isValid = is_array($schema) && efSchemaValidate($event, $schema);
} catch (JsonSchemaException $e) {
$isValid = false;
}
$encapsulated = array('event' => $event, 'schema' => $schemaName, 'revision' => $revId, 'clientValidated' => $isValid, 'wiki' => $wgDBname, 'recvFrom' => gethostname(), 'timestamp' => $_SERVER['REQUEST_TIME']);
if (isset($_SERVER['HTTP_HOST'])) {
$encapsulated['webHost'] = $_SERVER['HTTP_HOST'];
}
// To make the resultant JSON easily extracted from a row of
// space-separated values, we replace literal spaces with unicode
// escapes. This is permitted by the JSON specs.
$json = str_replace(' ', '\\u0020', FormatJson::encode($encapsulated));
wfErrorLog($json . "\n", $wgEventLoggingFile);
wfProfileOut(__FUNCTION__);
return true;
}
/**
* Generates JavaScript module code from schema.
* Retrieves a schema and generates a JavaScript expression which,
* when run in the browser, adds it to mw.eventLog.schemas. Adds an
* empty schema if the schema could not be retrieved.
* @param ResourceLoaderContext $context
* @return string: JavaScript code.
*/
function getScript(ResourceLoaderContext $context)
{
$params = array($this->schema->title, $this->schema->jsonSerialize());
return Xml::encodeJsCall('mediaWiki.eventLog.declareSchema', $params);
}
