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26 KiB
JavaScript

/*
* Copyright (C) 2019 Intel Corporation
* SPDX-License-Identifier: MIT
*/
/* global
require:false
*/
(() => {
const FormData = require('form-data');
const {
ServerError,
} = require('./exceptions');
const store = require('store');
const config = require('./config');
const DownloadWorker = require('./download.worker');
function generateError(errorData) {
if (errorData.response) {
const message = `${errorData.message}. ${JSON.stringify(errorData.response.data) || ''}.`;
return new ServerError(message, errorData.response.status);
}
// Server is unavailable (no any response)
const message = `${errorData.message}.`; // usually is "Error Network"
return new ServerError(message, 0);
}
class WorkerWrappedAxios {
constructor() {
const worker = new DownloadWorker();
const requests = {};
let requestId = 0;
worker.onmessage = (e) => {
if (e.data.id in requests) {
if (e.data.isSuccess) {
requests[e.data.id].resolve(e.data.responseData);
} else {
requests[e.data.id].reject(e.data.error);
}
delete requests[e.data.id];
}
};
worker.onerror = (e) => {
if (e.data.id in requests) {
requests[e.data.id].reject(e);
delete requests[e.data.id];
}
};
function getRequestId() {
return requestId++;
}
async function get(url, requestConfig) {
return new Promise((resolve, reject) => {
const newRequestId = getRequestId();
requests[newRequestId] = {
resolve,
reject,
};
worker.postMessage({
url,
config: requestConfig,
id: newRequestId,
});
});
}
Object.defineProperties(this, Object.freeze({
get: {
value: get,
writable: false,
},
}));
}
}
class ServerProxy {
constructor() {
const Axios = require('axios');
Axios.defaults.withCredentials = true;
Axios.defaults.xsrfHeaderName = 'X-CSRFTOKEN';
Axios.defaults.xsrfCookieName = 'csrftoken';
const workerAxios = new WorkerWrappedAxios();
let token = store.get('token');
if (token) {
Axios.defaults.headers.common.Authorization = `Token ${token}`;
}
async function about() {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/server/about`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function share(directory) {
const { backendAPI } = config;
directory = encodeURIComponent(directory);
let response = null;
try {
response = await Axios.get(`${backendAPI}/server/share?directory=${directory}`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function exception(exceptionObject) {
const { backendAPI } = config;
try {
await Axios.post(`${backendAPI}/server/exception`, JSON.stringify(exceptionObject), {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
}
async function formats() {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/server/annotation/formats`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function userAgreements() {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/restrictions/user-agreements`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function register(username, firstName, lastName, email, password1, password2, confirmations) {
let response = null;
try {
const data = JSON.stringify({
username,
first_name: firstName,
last_name: lastName,
email,
password1,
password2,
confirmations,
});
response = await Axios.post(`${config.backendAPI}/auth/register`, data, {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function login(username, password) {
const authenticationData = ([
`${encodeURIComponent('username')}=${encodeURIComponent(username)}`,
`${encodeURIComponent('password')}=${encodeURIComponent(password)}`,
]).join('&').replace(/%20/g, '+');
Axios.defaults.headers.common.Authorization = '';
let authenticationResponse = null;
try {
authenticationResponse = await Axios.post(
`${config.backendAPI}/auth/login`,
authenticationData, {
proxy: config.proxy,
},
);
} catch (errorData) {
throw generateError(errorData);
}
if (authenticationResponse.headers['set-cookie']) {
// Browser itself setup cookie and header is none
// In NodeJS we need do it manually
const cookies = authenticationResponse.headers['set-cookie'].join(';');
Axios.defaults.headers.common.Cookie = cookies;
}
token = authenticationResponse.data.key;
store.set('token', token);
Axios.defaults.headers.common.Authorization = `Token ${token}`;
}
async function logout() {
try {
await Axios.post(`${config.backendAPI}/auth/logout`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
store.remove('token');
Axios.defaults.headers.common.Authorization = '';
}
async function authorized() {
try {
await module.exports.users.getSelf();
} catch (serverError) {
if (serverError.code === 401) {
return false;
}
throw serverError;
}
return true;
}
async function serverRequest(url, data) {
try {
return (await Axios({
url,
...data,
})).data;
} catch (errorData) {
throw generateError(errorData);
}
}
async function getTasks(filter = '') {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/tasks?page_size=10&${filter}`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
response.data.results.count = response.data.count;
return response.data.results;
}
async function saveTask(id, taskData) {
const { backendAPI } = config;
try {
await Axios.patch(`${backendAPI}/tasks/${id}`, JSON.stringify(taskData), {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
}
async function deleteTask(id) {
const { backendAPI } = config;
try {
await Axios.delete(`${backendAPI}/tasks/${id}`);
} catch (errorData) {
throw generateError(errorData);
}
}
async function exportDataset(id, format) {
const { backendAPI } = config;
let url = `${backendAPI}/tasks/${id}/dataset?format=${format}`;
return new Promise((resolve, reject) => {
async function request() {
try {
const response = await Axios
.get(`${url}`, {
proxy: config.proxy,
});
if (response.status === 202) {
setTimeout(request, 3000);
} else {
url = `${url}&action=download`;
resolve(url);
}
} catch (errorData) {
reject(generateError(errorData));
}
}
setTimeout(request);
});
}
async function createTask(taskSpec, taskDataSpec, onUpdate) {
const { backendAPI } = config;
async function wait(id) {
return new Promise((resolve, reject) => {
async function checkStatus() {
try {
const response = await Axios.get(`${backendAPI}/tasks/${id}/status`);
if (['Queued', 'Started'].includes(response.data.state)) {
if (response.data.message !== '') {
onUpdate(response.data.message);
}
setTimeout(checkStatus, 1000);
} else if (response.data.state === 'Finished') {
resolve();
} else if (response.data.state === 'Failed') {
// If request has been successful, but task hasn't been created
// Then passed data is wrong and we can pass code 400
const message = 'Could not create the task on the server. '
+ `${response.data.message}.`;
reject(new ServerError(message, 400));
} else {
// If server has another status, it is unexpected
// Therefore it is server error and we can pass code 500
reject(new ServerError(
`Unknown task state has been received: ${response.data.state}`,
500,
));
}
} catch (errorData) {
reject(
generateError(errorData),
);
}
}
setTimeout(checkStatus, 1000);
});
}
const taskData = new FormData();
for (const [key, value] of Object.entries(taskDataSpec)) {
if (Array.isArray(value)) {
value.forEach((element, idx) => {
taskData.append(`${key}[${idx}]`, element);
});
} else {
taskData.set(key, value);
}
}
let response = null;
onUpdate('The task is being created on the server..');
try {
response = await Axios.post(`${backendAPI}/tasks`, JSON.stringify(taskSpec), {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
onUpdate('The data is being uploaded to the server..');
try {
await Axios.post(`${backendAPI}/tasks/${response.data.id}/data`, taskData, {
proxy: config.proxy,
});
} catch (errorData) {
try {
await deleteTask(response.data.id);
} catch (_) {
// ignore
}
throw generateError(errorData);
}
try {
await wait(response.data.id);
} catch (createException) {
await deleteTask(response.data.id);
throw createException;
}
const createdTask = await getTasks(`?id=${response.id}`);
return createdTask[0];
}
async function getJob(jobID) {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/jobs/${jobID}`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function saveJob(id, jobData) {
const { backendAPI } = config;
try {
await Axios.patch(`${backendAPI}/jobs/${id}`, JSON.stringify(jobData), {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
}
async function getUsers(id = null) {
const { backendAPI } = config;
let response = null;
try {
if (id === null) {
response = await Axios.get(`${backendAPI}/users?page_size=all`, {
proxy: config.proxy,
});
} else {
response = await Axios.get(`${backendAPI}/users/${id}`, {
proxy: config.proxy,
});
}
} catch (errorData) {
throw generateError(errorData);
}
return response.data.results;
}
async function getSelf() {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/users/self`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
async function getPreview(tid) {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/tasks/${tid}/data?type=preview`, {
proxy: config.proxy,
responseType: 'blob',
});
} catch (errorData) {
const code = errorData.response ? errorData.response.status : errorData.code;
throw new ServerError(
`Could not get preview frame for the task ${tid} from the server`,
code,
);
}
return response.data;
}
async function getData(tid, chunk) {
const { backendAPI } = config;
let response = null;
try {
response = await workerAxios.get(
`${backendAPI}/tasks/${tid}/data?type=chunk&number=${chunk}&quality=compressed`,
{
proxy: config.proxy,
responseType: 'arraybuffer',
},
);
} catch (errorData) {
throw generateError(errorData);
}
return response;
}
async function getMeta(tid) {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/tasks/${tid}/data/meta`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
// Session is 'task' or 'job'
async function getAnnotations(session, id) {
const { backendAPI } = config;
let response = null;
try {
response = await Axios.get(`${backendAPI}/${session}s/${id}/annotations`, {
proxy: config.proxy,
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
// Session is 'task' or 'job'
async function updateAnnotations(session, id, data, action) {
const { backendAPI } = config;
let requestFunc = null;
let url = null;
if (action.toUpperCase() === 'PUT') {
requestFunc = Axios.put.bind(Axios);
url = `${backendAPI}/${session}s/${id}/annotations`;
} else {
requestFunc = Axios.patch.bind(Axios);
url = `${backendAPI}/${session}s/${id}/annotations?action=${action}`;
}
let response = null;
try {
response = await requestFunc(url, JSON.stringify(data), {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
return response.data;
}
// Session is 'task' or 'job'
async function uploadAnnotations(session, id, file, format) {
const { backendAPI } = config;
let annotationData = new FormData();
annotationData.append('annotation_file', file);
return new Promise((resolve, reject) => {
async function request() {
try {
const response = await Axios
.put(`${backendAPI}/${session}s/${id}/annotations?format=${format}`, annotationData, {
proxy: config.proxy,
});
if (response.status === 202) {
annotationData = new FormData();
setTimeout(request, 3000);
} else {
resolve();
}
} catch (errorData) {
reject(generateError(errorData));
}
}
setTimeout(request);
});
}
// Session is 'task' or 'job'
async function dumpAnnotations(id, name, format) {
const { backendAPI } = config;
const baseURL = `${backendAPI}/tasks/${id}/annotations`;
let query = `format=${encodeURIComponent(format)}`;
if (name) {
const filename = name.replace(/\//g, '_');
query += `&filename=${encodeURIComponent(filename)}`;
}
let url = `${baseURL}?${query}`;
return new Promise((resolve, reject) => {
async function request() {
Axios.get(`${url}`, {
proxy: config.proxy,
}).then((response) => {
if (response.status === 202) {
setTimeout(request, 3000);
} else {
query = `${query}&action=download`;
url = `${baseURL}?${query}`;
resolve(url);
}
}).catch((errorData) => {
reject(generateError(errorData));
});
}
setTimeout(request);
});
}
async function saveLogs(logs) {
const { backendAPI } = config;
try {
await Axios.post(`${backendAPI}/server/logs`, JSON.stringify(logs), {
proxy: config.proxy,
headers: {
'Content-Type': 'application/json',
},
});
} catch (errorData) {
throw generateError(errorData);
}
}
Object.defineProperties(this, Object.freeze({
server: {
value: Object.freeze({
about,
share,
formats,
exception,
login,
logout,
authorized,
register,
request: serverRequest,
userAgreements,
}),
writable: false,
},
tasks: {
value: Object.freeze({
getTasks,
saveTask,
createTask,
deleteTask,
exportDataset,
}),
writable: false,
},
jobs: {
value: Object.freeze({
getJob,
saveJob,
}),
writable: false,
},
users: {
value: Object.freeze({
getUsers,
getSelf,
}),
writable: false,
},
frames: {
value: Object.freeze({
getData,
getMeta,
getPreview,
}),
writable: false,
},
annotations: {
value: Object.freeze({
updateAnnotations,
getAnnotations,
dumpAnnotations,
uploadAnnotations,
}),
writable: false,
},
logs: {
value: Object.freeze({
save: saveLogs,
}),
writable: false,
},
}));
}
}
const serverProxy = new ServerProxy();
module.exports = serverProxy;
})();