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Module providing file download functionality with GET and POST support
Este script não deve ser instalado diretamente. É uma biblioteca destinada a ser incluída por outros scripts através da diretiva de metadados // @require https://update.greasyfork.org/scripts/530648/1558616/FileDownloader-Module.js
// ==UserScript==
// @name FileDownloader-Module
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Module providing file download functionality with GET and POST support
// @author maanimis
// @grant GM_xmlhttpRequest
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
class FileDownloader {
static async fetchAsBlob(url, options = {}) {
const defaultOptions = {
method: 'GET',
headers: {},
body: null,
};
const fetchOptions = { ...defaultOptions, ...options };
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: fetchOptions.method,
url: url,
headers: fetchOptions.headers,
data: fetchOptions.body,
responseType: 'blob',
onload: function (response) {
if (response.status >= 200 && response.status < 300) {
resolve(response.response);
} else {
reject(new Error(`HTTP error! Status: ${response.status}`));
}
},
onerror: function (error) {
reject(new Error('Network error occurred'));
},
});
});
}
static async fetchWithPost(url, data, headers = {}) {
const options = {
method: 'POST',
headers: {
'Content-Type': 'application/json',
...headers,
},
body: JSON.stringify(data),
};
return this.fetchAsBlob(url, options);
}
static async fetchWithFormData(url, formData, headers = {}) {
// When using FormData with GM_xmlhttpRequest, we don't need to set Content-Type
// as it will be set automatically with the correct boundary
const options = {
method: 'POST',
headers: {
...headers,
},
body: formData,
};
return this.fetchAsBlob(url, options);
}
static createObjectUrl(blob) {
return URL.createObjectURL(blob);
}
static revokeObjectUrl(url) {
URL.revokeObjectURL(url);
}
static triggerDownload(blob, filename) {
const url = this.createObjectUrl(blob);
const link = document.createElement('a');
link.href = url;
link.download = filename;
link.style.display = 'none';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
this.revokeObjectUrl(url);
}
static openInNewTab(blob) {
const url = this.createObjectUrl(blob);
window.open(url);
return url;
}
}
// Add to window as a module
window.FileDownloaderModule = FileDownloader;
// Dispatch an event to notify other scripts that the module is loaded
const event = new CustomEvent('FileDownloaderModuleLoaded');
document.dispatchEvent(event);
console.log('FileDownloader module loaded');
})();