CartoDB-SQL-API/app/middlewares/error.js
2018-12-05 19:15:57 +01:00

92 lines
2.5 KiB
JavaScript

'use strict';
const errorHandlerFactory = require('../services/error_handler_factory');
const MAX_ERROR_STRING_LENGTH = 1024;
module.exports = function error() {
return function errorMiddleware(err, req, res, next) {
const errorHandler = errorHandlerFactory(err);
let errorResponse = errorHandler.getResponse();
if (global.settings.environment === 'development') {
errorResponse.stack = err.stack;
}
if (global.settings.environment !== 'test') {
// TODO: email this Exception report
console.error("EXCEPTION REPORT: " + err.stack);
}
// Force inline content disposition
res.header("Content-Disposition", 'inline');
if (req && req.profiler) {
req.profiler.done('finish');
res.header('X-SQLAPI-Profiler', req.profiler.toJSONString());
}
setErrorHeader(errorHandler, res);
res.header('Content-Type', 'application/json; charset=utf-8');
res.status(getStatusError(errorHandler, req));
if (req.query && req.query.callback) {
res.jsonp(errorResponse);
} else {
res.json(errorResponse);
}
if (req && req.profiler) {
res.req.profiler.sendStats();
}
next();
};
};
function getStatusError(errorHandler, req) {
let statusError = errorHandler.http_status;
// JSONP has to return 200 status error
if (req && req.query && req.query.callback) {
statusError = 200;
}
return statusError;
}
function setErrorHeader(errorHandler, res) {
const errorsLog = {
context: errorHandler.context,
detail: errorHandler.detail,
hint: errorHandler.hint,
statusCode: errorHandler.http_status,
message: errorHandler.message
};
res.set('X-SQLAPI-Errors', stringifyForLogs(errorsLog));
}
/**
* Remove problematic nested characters
* from object for logs RegEx
*
* @param {Object} object
*/
function stringifyForLogs(object) {
Object.keys(object).map(key => {
if (typeof object[key] === 'string') {
object[key] = object[key]
.substring(0, MAX_ERROR_STRING_LENGTH)
.replace(/[^a-zA-Z0-9]/g, ' ');
} else if (typeof object[key] === 'object') {
stringifyForLogs(object[key]);
} else if (object[key] instanceof Array) {
for (let element of object[key]) {
stringifyForLogs(element);
}
}
});
return JSON.stringify(object);
}