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GM XHR

jQuery AJAX wrapper for GM_xmlhttpRequest

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.cn-greasyfork.org/scripts/401399/938754/GM%20XHR.js 

  1. // ==UserScript==
  2. // @name        GM XHR
  3. // @author      Ryan Greenberg, Martin Monperrus, Damien Clark, RobotOilInc
  4. // @version     1.1
  5. // @description jQuery AJAX wrapper for GM_xmlhttpRequest
  6. // @homepageURL https://greasyfork.org/scripts/401399-gm-xhr
  7. // @supportURL  https://greasyfork.org/scripts/401399-gm-xhr
  8. // @grant       GM_xmlhttpRequest
  9. // ==/UserScript==
  10.  
  11. /* jshint esversion: 6 */
  12.  
  13. function GM_XHR() {
  14.   'use strict';
  15.  
  16.   this.type = null;
  17.   this.url = null;
  18.   this.async = null;
  19.   this.username = null;
  20.   this.password = null;
  21.   this.status = null;
  22.   this.headers = {};
  23.   this.readyState = null;
  24.  
  25.   this.abort = function () {
  26.     this.readyState = 0;
  27.   };
  28.  
  29.   this.getAllResponseHeaders = function (name) {
  30.     if (this.readyState !== 4) return '';
  31.     return this.responseHeaders;
  32.   };
  33.  
  34.   this.getResponseHeader = function (header) {
  35.     let value = null;
  36.     if (this.responseHeaders) {
  37.       const regex = new RegExp(`^${header}: (.*)$`, 'igm');
  38.       const result = [];
  39.  
  40.       let match = regex.exec(this.responseHeaders);
  41.       while (match !== null) {
  42.         result.push(match[1]);
  43.         match = regex.exec(this.responseHeaders);
  44.       }
  45.  
  46.       if (result.length > 0) {
  47.         value = result.join(', ');
  48.       }
  49.     }
  50.  
  51.     return value;
  52.   };
  53.  
  54.   this.open = function (type, url, async, username, password) {
  55.     this.type = type || null;
  56.     this.url = url || null;
  57.     this.async = async || null;
  58.     this.username = username || null;
  59.     this.password = password || null;
  60.     this.readyState = 1;
  61.   };
  62.  
  63.   this.setRequestHeader = function (name, value) {
  64.     this.headers[name] = value;
  65.   };
  66.  
  67.   this.send = function (data) {
  68.     this.data = data;
  69.     const that = this;
  70.  
  71.     if (typeof GM.xmlHttpRequest === 'undefined' && typeof GM_xmlhttpRequest === 'undefined') {
  72.       throw new Error("You need to enable 'GM.xmlHttpRequest' or 'GM_xmlhttpRequest'.");
  73.     }
  74.  
  75.     // Detect if using older GM API (or other userscript engines)
  76.     const agent = (typeof GM_xmlhttpRequest === 'undefined') ? GM.xmlHttpRequest : GM_xmlhttpRequest;
  77.  
  78.     // https://github.com/scriptish/scriptish/wiki/GM_xmlhttpRequest
  79.     agent({
  80.       method: this.type,
  81.       url: this.url,
  82.       headers: this.headers,
  83.       data: this.data,
  84.       responseType: this.responseType,
  85.       onload(rsp) {
  86.         for (const k in Object.getOwnPropertyNames(rsp)) {
  87.           that[Object.getOwnPropertyNames(rsp)[k]] = rsp[Object.getOwnPropertyNames(rsp)[k]];
  88.         }
  89.  
  90.         if (that.onload) that.onload(); else that.onreadystatechange();
  91.       },
  92.       onerror(rsp) {
  93.         for (const k in Object.getOwnPropertyNames(rsp)) {
  94.           that[Object.getOwnPropertyNames(rsp)[k]] = rsp[Object.getOwnPropertyNames(rsp)[k]];
  95.         }
  96.  
  97.         if (that.onload) that.onload(); else that.onreadystatechange();
  98.       },
  99.     });
  100.   };
  101. }