Permalink
Cannot retrieve contributors at this time
178 lines (164 sloc)
5.39 KB
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
codeql-action/node_modules/@azure/ms-rest-js/lib/xhrHttpClient.ts
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Copyright (c) Microsoft Corporation. All rights reserved. | |
// Licensed under the MIT License. See License.txt in the project root for license information. | |
import { HttpClient } from "./httpClient"; | |
import { HttpHeaders } from "./httpHeaders"; | |
import { WebResourceLike, TransferProgressEvent } from "./webResource"; | |
import { HttpOperationResponse } from "./httpOperationResponse"; | |
import { RestError } from "./restError"; | |
/** | |
* A HttpClient implementation that uses XMLHttpRequest to send HTTP requests. | |
*/ | |
export class XhrHttpClient implements HttpClient { | |
public sendRequest(request: WebResourceLike): Promise<HttpOperationResponse> { | |
const xhr = new XMLHttpRequest(); | |
if (request.agentSettings) { | |
throw new Error("HTTP agent settings not supported in browser environment"); | |
} | |
if (request.proxySettings) { | |
throw new Error("HTTP proxy is not supported in browser environment"); | |
} | |
const abortSignal = request.abortSignal; | |
if (abortSignal) { | |
const listener = () => { | |
xhr.abort(); | |
}; | |
abortSignal.addEventListener("abort", listener); | |
xhr.addEventListener("readystatechange", () => { | |
if (xhr.readyState === XMLHttpRequest.DONE) { | |
abortSignal.removeEventListener("abort", listener); | |
} | |
}); | |
} | |
addProgressListener(xhr.upload, request.onUploadProgress); | |
addProgressListener(xhr, request.onDownloadProgress); | |
if (request.formData) { | |
const formData = request.formData; | |
const requestForm = new FormData(); | |
const appendFormValue = (key: string, value: any) => { | |
if (value && value.hasOwnProperty("value") && value.hasOwnProperty("options")) { | |
requestForm.append(key, value.value, value.options); | |
} else { | |
requestForm.append(key, value); | |
} | |
}; | |
for (const formKey of Object.keys(formData)) { | |
const formValue = formData[formKey]; | |
if (Array.isArray(formValue)) { | |
for (let j = 0; j < formValue.length; j++) { | |
appendFormValue(formKey, formValue[j]); | |
} | |
} else { | |
appendFormValue(formKey, formValue); | |
} | |
} | |
request.body = requestForm; | |
request.formData = undefined; | |
const contentType = request.headers.get("Content-Type"); | |
if (contentType && contentType.indexOf("multipart/form-data") !== -1) { | |
// browser will automatically apply a suitable content-type header | |
request.headers.remove("Content-Type"); | |
} | |
} | |
xhr.open(request.method, request.url); | |
xhr.timeout = request.timeout; | |
xhr.withCredentials = request.withCredentials; | |
for (const header of request.headers.headersArray()) { | |
xhr.setRequestHeader(header.name, header.value); | |
} | |
xhr.responseType = request.streamResponseBody ? "blob" : "text"; | |
// tslint:disable-next-line:no-null-keyword | |
xhr.send(request.body === undefined ? null : request.body); | |
if (request.streamResponseBody) { | |
return new Promise((resolve, reject) => { | |
xhr.addEventListener("readystatechange", () => { | |
// Resolve as soon as headers are loaded | |
if (xhr.readyState === XMLHttpRequest.HEADERS_RECEIVED) { | |
const blobBody = new Promise<Blob>((resolve, reject) => { | |
xhr.addEventListener("load", () => { | |
resolve(xhr.response); | |
}); | |
rejectOnTerminalEvent(request, xhr, reject); | |
}); | |
resolve({ | |
request, | |
status: xhr.status, | |
headers: parseHeaders(xhr), | |
blobBody, | |
}); | |
} | |
}); | |
rejectOnTerminalEvent(request, xhr, reject); | |
}); | |
} else { | |
return new Promise(function (resolve, reject) { | |
xhr.addEventListener("load", () => | |
resolve({ | |
request, | |
status: xhr.status, | |
headers: parseHeaders(xhr), | |
bodyAsText: xhr.responseText, | |
}) | |
); | |
rejectOnTerminalEvent(request, xhr, reject); | |
}); | |
} | |
} | |
} | |
function addProgressListener( | |
xhr: XMLHttpRequestEventTarget, | |
listener?: (progress: TransferProgressEvent) => void | |
) { | |
if (listener) { | |
xhr.addEventListener("progress", (rawEvent) => | |
listener({ | |
loadedBytes: rawEvent.loaded, | |
}) | |
); | |
} | |
} | |
// exported locally for testing | |
export function parseHeaders(xhr: XMLHttpRequest) { | |
const responseHeaders = new HttpHeaders(); | |
const headerLines = xhr | |
.getAllResponseHeaders() | |
.trim() | |
.split(/[\r\n]+/); | |
for (const line of headerLines) { | |
const index = line.indexOf(":"); | |
const headerName = line.slice(0, index); | |
const headerValue = line.slice(index + 2); | |
responseHeaders.set(headerName, headerValue); | |
} | |
return responseHeaders; | |
} | |
function rejectOnTerminalEvent( | |
request: WebResourceLike, | |
xhr: XMLHttpRequest, | |
reject: (err: any) => void | |
) { | |
xhr.addEventListener("error", () => | |
reject( | |
new RestError( | |
`Failed to send request to ${request.url}`, | |
RestError.REQUEST_SEND_ERROR, | |
undefined, | |
request | |
) | |
) | |
); | |
xhr.addEventListener("abort", () => | |
reject( | |
new RestError("The request was aborted", RestError.REQUEST_ABORTED_ERROR, undefined, request) | |
) | |
); | |
xhr.addEventListener("timeout", () => | |
reject( | |
new RestError( | |
`timeout of ${xhr.timeout}ms exceeded`, | |
RestError.REQUEST_SEND_ERROR, | |
undefined, | |
request | |
) | |
) | |
); | |
} |