214 lines
6.7 KiB
TypeScript
214 lines
6.7 KiB
TypeScript
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import '@ms/nashorn'
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const URL = Java.type("java.net.URL");
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const Files = Java.type("java.nio.file.Files");
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const StandardCopyOption = Java.type("java.nio.file.StandardCopyOption");
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const JavaString = Java.type("java.lang.String");
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const SecureRandom = Java.type("java.security.SecureRandom");
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const SSLContext = Java.type("javax.net.ssl.SSLContext");
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const HttpsURLConnection = Java.type("javax.net.ssl.HttpsURLConnection");
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const HostnameVerifier = Java.type("javax.net.ssl.HostnameVerifier");
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const X509TrustManager = Java.type("javax.net.ssl.X509TrustManager");
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const SocketTimeoutException = Java.type('java.net.SocketTimeoutException');
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const Callable = Java.type('java.util.concurrent.Callable');
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const Executors = Java.type('java.util.concurrent.Executors')
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const UTF_8 = "UTF-8"
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const TrustAnyHostnameVerifier = new HostnameVerifier({ verify: () => true });
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const SSLSocketFactory = function initSSLSocketFactory() {
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let sslContext = SSLContext.getInstance("TLS");
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sslContext.init(null, [new X509TrustManager({
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getAcceptedIssuers: () => null,
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checkClientTrusted: () => { },
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checkServerTrusted: () => { }
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})], new SecureRandom());
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return sslContext.getSocketFactory();
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}();
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interface Future<T> {
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cancel(): boolean;
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isCancelled(): boolean;
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isDone(): boolean;
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get(): T;
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}
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enum ReadyState {
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UNSENT,//Client has been created. open() not called yet.
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OPENED,//open() has been called.
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HEADERS_RECEIVED,//send() has been called, and headers and status are available.
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LOADING,//Downloading; responseText holds partial data.
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DONE,//The operation is complete.
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}
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type RequestMethod = 'GET' | 'HEAD' | 'POST' | 'PUT' | 'DELETE' | 'CONNECT' | 'OPTIONS' | 'TRACE' | 'PATCH';
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type ResponseType = '' | 'arraybuffer' | 'blob' | 'document' | 'json' | 'text';
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type EventType = 'load' | 'error' | 'abort' | 'progress' | 'timeout' | 'loadend' | 'loadstart';
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const executor = Executors.newCachedThreadPool();
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export class XMLHttpRequest {
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private _timeout: number;
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private _responseType: ResponseType;
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private _withCredentials: boolean;
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private _readyState: ReadyState = ReadyState.UNSENT;
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private _method: RequestMethod;
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private _url: string;
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private _async: boolean;
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private _mimeType: string;
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private _status: number = 0;
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private _statusText: string = null;
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private _response: any;
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private _responseURL: string;
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private _connection = null;
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get timeout() {
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return this._timeout;
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}
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set timeout(timeout: number) {
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this._timeout = timeout
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}
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get readyState() {
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return this._readyState;
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}
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set responseType(type: ResponseType) {
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this._responseType = type;
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}
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get responseType() {
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return this._responseType;
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}
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get status() {
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return this._status;
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}
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get statusText() {
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return this._statusText;
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}
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get response() {
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return JSON.parse(this._response);
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}
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get responseText() {
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return this._response;
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}
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get responseXML() {
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return this._response;
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}
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get responseURL() {
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return this._responseURL;
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}
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onreadystatechange() {
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}
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onprogress() {
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}
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onabort() {
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}
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onerror(ex: Error) {
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}
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ontimeout(ex: Error) {
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}
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setRequestHeader(key: string, val: string) {
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this._connection.setRequestProperty(key, val);
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}
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getResponseHeader(key: string): string {
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return this._connection.getHeaderField(key);
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}
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getAllResponseHeaders(): any {
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return this._connection.getHeaderFields();
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}
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addEventListener(event: EventType, callback: Function) {
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this[`on${event.toLowerCase()}`] = callback;
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}
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overrideMimeType(mimeType: string) {
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this._mimeType = mimeType;
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}
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open(method: RequestMethod, url: string, async: boolean = true, user?: string, password?: string) {
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this._method = method;
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this._url = url;
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this._async = async;
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this._connection = new URL(this._url).openConnection()
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if (this._connection instanceof HttpsURLConnection) {
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this._connection.setHostnameVerifier(TrustAnyHostnameVerifier);
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this._connection.setSSLSocketFactory(SSLSocketFactory);
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}
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this._connection.setRequestMethod(this._method);
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this._connection.setDoOutput(true);
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this._connection.setDoInput(true);
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this._connection.setConnectTimeout(this._timeout);
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this._connection.setReadTimeout(this._timeout);
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this.setReadyState(ReadyState.OPENED);
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}
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send(body?: string | object): Future<string> {
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if (this._readyState !== ReadyState.OPENED) { throw new Error(`Error Status ${this._readyState}!`) }
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let future = executor.submit(new Callable({ call: () => this._send(body) }));
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if (!this._async) { future.get() }
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return future;
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}
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abort() {
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this._connection.disconnect();
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this.onabort();
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}
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private _send(body?: string | object) {
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try {
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this._connection.connect();
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if (body) {
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let bodyType = Object.prototype.toString.call(body);
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if (bodyType !== '[object String]') { throw new Error(`body(${bodyType}) must be string!`) }
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var out = this._connection.getOutputStream();
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out.write(new JavaString(body).getBytes(UTF_8));
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out.flush();
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out.close();
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}
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this.setReadyState(ReadyState.LOADING);
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this._status = this._connection.getResponseCode();
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this._statusText = this._connection.getResponseMessage();
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if (this._status >= 0 && this._status < 300) {
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this._response = this.readOutput(this._connection.getInputStream());
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} else if (this._status >= 300 && this._status < 400) {
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this._responseURL = this.getResponseHeader('Location');
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} else {
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this._response = this.readOutput(this._connection.getErrorStream());
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}
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return this._response;
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} catch (ex) {
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if (ex instanceof SocketTimeoutException) {
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this.ontimeout(ex)
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} else {
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this.onerror(ex);
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}
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} finally {
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this._connection.disconnect();
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this.setReadyState(ReadyState.DONE);
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}
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}
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private setReadyState(state: ReadyState) {
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this._readyState = state;
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this.onreadystatechange();
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}
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private readOutput(input: any) {
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var tempFile = Files.createTempFile('xhr', '.response');
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Files.copy(input, tempFile, StandardCopyOption['REPLACE_EXISTING']); tempFile.toFile().deleteOnExit();
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return new JavaString(Files.readAllBytes(tempFile), 'UTF-8');
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}
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}
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