CartoDB-SQL-API/app/controllers/job_controller.js
2016-08-30 18:43:09 +02:00

368 lines
11 KiB
JavaScript

'use strict';
var _ = require('underscore');
var step = require('step');
var assert = require('assert');
var util = require('util');
var AuthApi = require('../auth/auth_api');
var CdbRequest = require('../models/cartodb_request');
var handleException = require('../utils/error_handler');
var cdbReq = new CdbRequest();
var ONE_KILOBYTE_IN_BYTES = 1024;
var MAX_LIMIT_QUERY_SIZE_IN_KB = 8;
var MAX_LIMIT_QUERY_SIZE_IN_BYTES = MAX_LIMIT_QUERY_SIZE_IN_KB * ONE_KILOBYTE_IN_BYTES;
function getMaxSizeErrorMessage(sql) {
return util.format([
'Your payload is too large: %s bytes. Max size allowed is %s bytes (%skb).',
'Are you trying to import data?.',
'Please, check out import api http://docs.cartodb.com/cartodb-platform/import-api/'
].join(' '),
sql.length,
MAX_LIMIT_QUERY_SIZE_IN_BYTES,
Math.round(MAX_LIMIT_QUERY_SIZE_IN_BYTES / ONE_KILOBYTE_IN_BYTES)
);
}
function JobController(userDatabaseService, jobService, statsdClient) {
this.userDatabaseService = userDatabaseService;
this.jobService = jobService;
this.statsdClient = statsdClient || { increment: function () {} };
}
function bodyPayloadSizeMiddleware(req, res, next) {
var payload = JSON.stringify(req.body);
if (payload.length > MAX_LIMIT_QUERY_SIZE_IN_BYTES) {
return handleException(new Error(getMaxSizeErrorMessage(payload)), res);
} else {
return next(null);
}
}
module.exports = JobController;
module.exports.MAX_LIMIT_QUERY_SIZE_IN_BYTES = MAX_LIMIT_QUERY_SIZE_IN_BYTES;
module.exports.getMaxSizeErrorMessage = getMaxSizeErrorMessage;
JobController.prototype.route = function (app) {
app.post(global.settings.base_url + '/sql/job', bodyPayloadSizeMiddleware, this.createJob.bind(this));
app.get(global.settings.base_url + '/sql/job', this.listJob.bind(this));
app.get(global.settings.base_url + '/sql/job/:job_id', this.getJob.bind(this));
app.delete(global.settings.base_url + '/sql/job/:job_id', this.cancelJob.bind(this));
};
JobController.prototype.cancelJob = function (req, res) {
var self = this;
var job_id = req.params.job_id;
var body = (req.body) ? req.body : {};
var params = _.extend({}, req.query, body); // clone so don't modify req.params or req.body so oauth is not broken
var cdbUsername = cdbReq.userByReq(req);
if ( req.profiler ) {
req.profiler.start('sqlapi.job');
req.profiler.done('init');
}
step(
function getUserDBInfo() {
var next = this;
var authApi = new AuthApi(req, params);
self.userDatabaseService.getConnectionParams(authApi, cdbUsername, next);
},
function cancelJob(err, userDatabase) {
assert.ifError(err);
if (!userDatabase.authenticated) {
throw new Error('permission denied');
}
var next = this;
if ( req.profiler ) {
req.profiler.done('setDBAuth');
}
self.jobService.cancel(job_id, function (err, job) {
if (err) {
return next(err);
}
next(null, {
job: job.serialize(),
host: userDatabase.host
});
});
},
function handleResponse(err, result) {
if ( err ) {
return handleException(err, res);
}
if (global.settings.api_hostname) {
res.header('X-Served-By-Host', global.settings.api_hostname);
}
if (result.host) {
res.header('X-Served-By-DB-Host', result.host);
}
if ( req.profiler ) {
req.profiler.done('cancelJob');
req.profiler.end();
req.profiler.sendStats();
res.header('X-SQLAPI-Profiler', req.profiler.toJSONString());
}
if ( err ) {
self.statsdClient.increment('sqlapi.job.error');
} else {
self.statsdClient.increment('sqlapi.job.success');
}
res.send(result.job);
}
);
};
JobController.prototype.listJob = function (req, res) {
var self = this;
var body = (req.body) ? req.body : {};
var params = _.extend({}, req.query, body); // clone so don't modify req.params or req.body so oauth is not broken
var cdbUsername = cdbReq.userByReq(req);
if ( req.profiler ) {
req.profiler.start('sqlapi.job');
req.profiler.done('init');
}
step(
function getUserDBInfo() {
var next = this;
var authApi = new AuthApi(req, params);
self.userDatabaseService.getConnectionParams(authApi, cdbUsername, next);
},
function listJob(err, userDatabase) {
assert.ifError(err);
if (!userDatabase.authenticated) {
throw new Error('permission denied');
}
var next = this;
if ( req.profiler ) {
req.profiler.done('setDBAuth');
}
self.jobService.list(cdbUsername, function (err, jobs) {
if (err) {
return next(err);
}
next(null, {
jobs: jobs.map(function (job) {
return job.serialize();
}),
host: userDatabase.host
});
});
},
function handleResponse(err, result) {
if ( err ) {
return handleException(err, res);
}
if (global.settings.api_hostname) {
res.header('X-Served-By-Host', global.settings.api_hostname);
}
if (result.host) {
res.header('X-Served-By-DB-Host', result.host);
}
if ( req.profiler ) {
req.profiler.done('listJob');
req.profiler.end();
req.profiler.sendStats();
res.header('X-SQLAPI-Profiler', req.profiler.toJSONString());
}
if ( err ) {
self.statsdClient.increment('sqlapi.job.error');
} else {
self.statsdClient.increment('sqlapi.job.success');
}
res.send(result.jobs);
}
);
};
JobController.prototype.getJob = function (req, res) {
var self = this;
var job_id = req.params.job_id;
var body = (req.body) ? req.body : {};
var params = _.extend({}, req.query, body); // clone so don't modify req.params or req.body so oauth is not broken
var cdbUsername = cdbReq.userByReq(req);
if ( req.profiler ) {
req.profiler.start('sqlapi.job');
req.profiler.done('init');
}
step(
function getUserDBInfo() {
var next = this;
var authApi = new AuthApi(req, params);
self.userDatabaseService.getConnectionParams(authApi, cdbUsername, next);
},
function getJob(err, userDatabase) {
assert.ifError(err);
if (!userDatabase.authenticated) {
throw new Error('permission denied');
}
var next = this;
if ( req.profiler ) {
req.profiler.done('setDBAuth');
}
self.jobService.get(job_id, function (err, job) {
if (err) {
return next(err);
}
next(null, {
job: job.serialize(),
host: userDatabase.host
});
});
},
function handleResponse(err, result) {
if ( err ) {
return handleException(err, res);
}
if (global.settings.api_hostname) {
res.header('X-Served-By-Host', global.settings.api_hostname);
}
if (result.host) {
res.header('X-Served-By-DB-Host', result.host);
}
if ( req.profiler ) {
req.profiler.done('getJob');
req.profiler.end();
req.profiler.sendStats();
res.header('X-SQLAPI-Profiler', req.profiler.toJSONString());
}
if ( err ) {
self.statsdClient.increment('sqlapi.job.error');
} else {
self.statsdClient.increment('sqlapi.job.success');
}
res.send(result.job);
}
);
};
JobController.prototype.createJob = function (req, res) {
var self = this;
var body = (req.body) ? req.body : {};
var params = _.extend({}, req.query, body); // clone so don't modify req.params or req.body so oauth is not broken
var sql = (params.query === "" || _.isUndefined(params.query)) ? null : params.query;
var cdbUsername = cdbReq.userByReq(req);
if ( req.profiler ) {
req.profiler.start('sqlapi.job');
req.profiler.done('init');
}
step(
function getUserDBInfo() {
var next = this;
var authApi = new AuthApi(req, params);
self.userDatabaseService.getConnectionParams(authApi, cdbUsername, next);
},
function persistJob(err, userDatabase) {
assert.ifError(err);
if (!userDatabase.authenticated) {
throw new Error('permission denied');
}
var next = this;
if ( req.profiler ) {
req.profiler.done('setDBAuth');
}
var data = {
user: cdbUsername,
query: sql,
host: userDatabase.host
};
self.jobService.create(data, function (err, job) {
if (err) {
return next(err);
}
next(null, {
job: job.serialize(),
host: userDatabase.host
});
});
},
function handleResponse(err, result) {
if ( err ) {
return handleException(err, res);
}
if (global.settings.api_hostname) {
res.header('X-Served-By-Host', global.settings.api_hostname);
}
if (result.host) {
res.header('X-Served-By-DB-Host', result.host);
}
if ( req.profiler ) {
req.profiler.done('persistJob');
req.profiler.end();
req.profiler.sendStats();
res.header('X-SQLAPI-Profiler', req.profiler.toJSONString());
}
if ( err ) {
self.statsdClient.increment('sqlapi.job.error');
} else {
self.statsdClient.increment('sqlapi.job.success');
}
console.info(JSON.stringify({
type: 'sql_api_batch_job',
username: cdbUsername,
action: 'create',
job_id: result.job.job_id
}));
res.status(201).send(result.job);
}
);
};