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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| "use strict"; | ||
|
|
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| export type GetUrlResponse = { | ||
| statusCode: number, | ||
| statusMessage: string; | ||
| headers: { [ key: string] : string }; | ||
| body: string; | ||
| }; | ||
|
|
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| export type Options = { | ||
| method?: string, | ||
| body?: string | ||
| headers?: { [ key: string] : string }, | ||
| }; | ||
|
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| export async function getUrl(href: string, options?: Options): Promise<GetUrlResponse> { | ||
| if (options == null) { options = { }; } | ||
|
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| const request = { | ||
| method: (options.method || "GET"), | ||
| headers: (options.headers || { }), | ||
| body: (options.body || undefined), | ||
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| mode: <RequestMode>"cors", // no-cors, cors, *same-origin | ||
| cache: <RequestCache>"no-cache", // *default, no-cache, reload, force-cache, only-if-cached | ||
| credentials: <RequestCredentials>"same-origin", // include, *same-origin, omit | ||
| redirect: <RequestRedirect>"follow", // manual, *follow, error | ||
| referrer: "client", // no-referrer, *client | ||
| }; | ||
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| const response = await fetch(href, request); | ||
| const body = await response.text(); | ||
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| const headers: { [ name: string ]: string } = { }; | ||
| if (response.headers.forEach) { | ||
| response.headers.forEach((value, key) => { | ||
| headers[key.toLowerCase()] = value; | ||
| }); | ||
| } else { | ||
| (<() => Array<string>>((<any>(response.headers)).keys))().forEach((key) => { | ||
| headers[key.toLowerCase()] = response.headers.get(key); | ||
| }); | ||
| } | ||
|
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| return { | ||
| headers: headers, | ||
| statusCode: response.status, | ||
| statusMessage: response.statusText, | ||
| body: body, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| "use strict"; | ||
|
|
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| import http from "http"; | ||
| import https from "https"; | ||
| import { URL } from "url" | ||
|
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| import { Logger } from "@ethersproject/logger"; | ||
| import { version } from "./_version"; | ||
| const logger = new Logger(version); | ||
|
|
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| export type GetUrlResponse = { | ||
| statusCode: number, | ||
| statusMessage: string; | ||
| headers: { [ key: string] : string }; | ||
| body: string; | ||
| }; | ||
|
|
||
| export type Options = { | ||
| method?: string, | ||
| body?: string | ||
| headers?: { [ key: string] : string }, | ||
| }; | ||
|
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| function getResponse(request: http.ClientRequest): Promise<GetUrlResponse> { | ||
| return new Promise((resolve, reject) => { | ||
| request.once("response", (resp: http.IncomingMessage) => { | ||
| const response: GetUrlResponse = { | ||
| statusCode: resp.statusCode, | ||
| statusMessage: resp.statusMessage, | ||
| headers: Object.keys(resp.headers).reduce((accum, name) => { | ||
| let value = resp.headers[name]; | ||
| if (Array.isArray(value)) { | ||
| value = value.join(", "); | ||
| } | ||
| accum[name] = value; | ||
| return accum; | ||
| }, <{ [ name: string ]: string }>{ }), | ||
| body: null | ||
| }; | ||
| resp.setEncoding("utf8"); | ||
|
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| resp.on("data", (chunk: string) => { | ||
| if (response.body == null) { response.body = ""; } | ||
| response.body += chunk; | ||
| }); | ||
|
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| resp.on("end", () => { | ||
| resolve(response); | ||
| }); | ||
|
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| resp.on("error", (error) => { | ||
| (<any>error).response = response; | ||
| reject(error); | ||
| }); | ||
| }); | ||
|
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| request.on("error", (error) => { reject(error); }); | ||
| }); | ||
| } | ||
|
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| export async function getUrl(href: string, options?: Options): Promise<GetUrlResponse> { | ||
| if (options == null) { options = { }; } | ||
|
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| const url = new URL(href); | ||
|
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| const request = { | ||
| method: (options.method || "GET"), | ||
| headers: (options.headers || { }), | ||
| }; | ||
|
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| let req: http.ClientRequest = null; | ||
| switch (url.protocol) { | ||
| case "http:": { | ||
| req = http.request(url, request); | ||
| break; | ||
| } | ||
| case "https:": | ||
| req = https.request(url, request); | ||
| break; | ||
| default: | ||
| logger.throwError(`unsupported protocol ${ url.protocol }`, Logger.errors.UNSUPPORTED_OPERATION, { | ||
| protocol: url.protocol, | ||
| operation: "request" | ||
| }); | ||
| } | ||
|
|
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| if (options.body) { | ||
| req.write(options.body); | ||
| } | ||
| req.end(); | ||
|
|
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| const response = await getResponse(req); | ||
| return response; | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,17 +1,4 @@ | ||
| declare module "xmlhttprequest" { | ||
| export class XMLHttpRequest { | ||
| readyState: number; | ||
| status: number; | ||
| responseText: string; | ||
|
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| constructor(); | ||
| open(method: string, url: string, async?: boolean): void; | ||
| setRequestHeader(key: string, value: string): void; | ||
| send(body?: string): void; | ||
| abort(): void; | ||
|
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| onreadystatechange: () => void; | ||
| onerror: (error: Error) => void; | ||
| } | ||
| declare module "node-fetch" { | ||
| function fetch(url: string, options: any): Promise<Response>; | ||
| export default fetch; | ||
| } | ||
|
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