HttpRequest for any type of request and HttpRequestHTML to request webpage. Supports caching of responses to handle status 304.
Version au
Ce script ne doit pas être installé directement. C'est une librairie destinée à être incluse dans d'autres scripts avec la méta-directive // @require https://update.greasyfork.org/scripts/405144/815241/HttpRequest.js
// ==UserScript==
// @name HttpRequest
// @namespace hoehleg.userscripts.private
// @version 0.1
// @description HttpRequest for any type of request and HttpRequestHTML to request webpage. Supports caching of responses to handle status 304.
// @author Gerrit Höhle
//
// @grant GM_xmlhttpRequest
//
// @require https://greasyfork.org/scripts/405143-simplecache/code/SimpleCache.js
// @require https://greasyfork.org/scripts/405144-httprequest/code/HttpRequest.js
//
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
//
// ==/UserScript==
/* jshint esnext: true */
/* globals globals $, jQuery, SimpleCache */
const HttpRequest = (() => {
const responsesCache = new SimpleCache({ keyExtractor: (httpRequest) => [ httpRequest.method, httpRequest.url, httpRequest.headers, httpRequest.data, httpRequest.params ].join() });
const urlWithParams = (url, paramsObject) => {
const params = Object.entries(paramsObject).map(([key, value]) => key + '=' + value).join('&');
return (url.length > 0) ? url + '?' + params : params;
};
return class HttpRequest {
constructor({ method, url = window.location.href, onLoad = () => {}, onError = () => {}, headers = '', data = '', keepInCacheTimoutMs = 10 * 60000, params = {} } = {}) {
Object.assign(this, { method, url, onLoad, onError, headers, data, keepInCacheTimoutMs });
}
send() {
const method = this.method.toUpperCase();
let url = this.url;
let headers = this.headers;
let data = this.data;
const onload = (response) => {
switch (response.status) {
case 200:
if (this.keepInCacheTimoutMs > 0) {
responsesCache.set(this, response, this.keepInCacheTimoutMs);
}
break;
case 304:
if (this.isCached()) {
response = this.getFromCache();
response.status = 304;
}
break;
default:
this.onError(response);
return;
}
this.onLoad(response);
};
const onerror = this.onError;
switch (method) {
case 'GET':
if (this.params) {
url = urlWithParams(url, this.params);
}
break;
case 'POST':
case 'PUT':
Object.assign(headers, { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' });
if (this.params) {
data = urlWithParams(data, this.params);
}
break;
}
return GM_xmlhttpRequest({ method, url, onload, onerror: this.onError, headers: this.headers, data });
}
isCached() {
return responsesCache.has(this);
}
getFromCache() {
return responsesCache.get(this);
}
};
})();
class HttpRequestHtml extends HttpRequest {
constructor({ url, method = "GET", onSuccess = () => {}, onError, headers, data, keepInCacheTimoutMs } = {}) {
super({ method, url, onError, headers, data, keepInCacheTimoutMs });
Object.defineProperty(this, 'onLoad', {
value: (response) => {
if (response.status == 200) {
response.responseHtml = new DOMParser().parseFromString(response.responseText, 'text/html');
this.onSuccess(response);
}
},
enumerable: true
});
this.onSuccess = onSuccess;
}
}