Merge branch 'tlwr-feature-http-request'
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commit
0b91468edc
@ -126,6 +126,7 @@ const Categories = [
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{
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name: "Networking",
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ops: [
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"HTTP request",
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"Strip HTTP headers",
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"Parse User Agent",
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"Parse IP range",
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@ -3397,7 +3397,49 @@ const OperationConfig = {
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run: Image.runRemoveEXIF,
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inputType: "byteArray",
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outputType: "byteArray",
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args: [],
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args: []
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},
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"HTTP request": {
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description: [
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"Makes an HTTP request and returns the response.",
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"<br><br>",
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"This operation supports different HTTP verbs like GET, POST, PUT, etc.",
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"<br><br>",
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"You can add headers line by line in the format <code>Key: Value</code>",
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"<br><br>",
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"The status code of the response, along with a limited selection of exposed headers, can be viewed by checking the 'Show response metadata' option. Only a limited set of response headers are exposed by the browser for security reasons.",
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].join("\n"),
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run: HTTP.runHTTPRequest,
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inputType: "string",
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outputType: "string",
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manualBake: true,
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args: [
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{
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name: "Method",
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type: "option",
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value: HTTP.METHODS,
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},
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{
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name: "URL",
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type: "string",
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value: "",
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},
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{
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name: "Headers",
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type: "text",
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value: "",
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},
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{
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name: "Mode",
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type: "option",
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value: HTTP.MODE,
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},
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{
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name: "Show response metadata",
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type: "boolean",
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value: false,
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}
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]
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},
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};
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@ -12,6 +12,17 @@ import {UAS_parser as UAParser} from "../lib/uas_parser.js";
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*/
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const HTTP = {
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/**
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* @constant
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* @default
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*/
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METHODS: [
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"GET", "POST", "HEAD",
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"PUT", "PATCH", "DELETE",
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"CONNECT", "TRACE", "OPTIONS"
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],
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/**
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* Strip HTTP headers operation.
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*
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@ -51,6 +62,94 @@ const HTTP = {
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"Device Type: " + ua.deviceType + "\n";
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},
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/**
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* @constant
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* @default
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*/
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MODE: [
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"Cross-Origin Resource Sharing",
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"No CORS (limited to HEAD, GET or POST)",
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],
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/**
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* Lookup table for HTTP modes
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*
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* @private
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* @constant
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*/
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_modeLookup: {
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"Cross-Origin Resource Sharing": "cors",
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"No CORS (limited to HEAD, GET or POST)": "no-cors",
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},
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/**
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* HTTP request operation.
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*
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* @author tlwr [toby@toby.codes]
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* @author n1474335 [n1474335@gmail.com]
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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runHTTPRequest(input, args) {
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const method = args[0],
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url = args[1],
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headersText = args[2],
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mode = args[3],
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showResponseMetadata = args[4];
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if (url.length === 0) return "";
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let headers = new Headers();
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headersText.split(/\r?\n/).forEach(line => {
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line = line.trim();
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if (line.length === 0) return;
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let split = line.split(":");
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if (split.length !== 2) throw `Could not parse header in line: ${line}`;
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headers.set(split[0].trim(), split[1].trim());
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});
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let config = {
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method: method,
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headers: headers,
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mode: HTTP._modeLookup[mode],
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cache: "no-cache",
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};
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if (method !== "GET" && method !== "HEAD") {
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config.body = input;
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}
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return fetch(url, config)
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.then(r => {
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if (r.status === 0 && r.type === "opaque") {
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return "Error: Null response. Try setting the connection mode to CORS.";
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}
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if (showResponseMetadata) {
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let headers = "";
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for (let pair of r.headers.entries()) {
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headers += " " + pair[0] + ": " + pair[1] + "\n";
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}
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return r.text().then(b => {
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return "####\n Status: " + r.status + " " + r.statusText +
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"\n Exposed headers:\n" + headers + "####\n\n" + b;
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});
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}
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return r.text();
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})
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.catch(e => {
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return e.toString() +
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"\n\nThis error could be caused by one of the following:\n" +
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" - An invalid URL\n" +
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" - Making a cross-origin request to a server which does not support CORS\n";
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});
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},
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};
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export default HTTP;
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