82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
"use strict";
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let downloadFormButton;
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let videoContainer;
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let closeAndResetVideoContainer;
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let downloadFormUrl;
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let downloadVideo;
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let downloadForm;
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let video;
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function downloadFormButtonHandler(event) {
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event.preventDefault();
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getRealURL(downloadFormUrl.value).then( (response) => {
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video.src = response.url;
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videoContainer.style.display = 'block';
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generateBlobVideo(response.url).then( blob => {
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downloadVideo.href = URL.createObjectURL(blob);
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downloadVideo.download = response.filename;
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});
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});
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}
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function downloadFormHandler(event) {
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downloadFormButtonHandler(event);
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}
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async function generateBlobVideo(url) {
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const blob = await fetch(url, {
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mode: 'cors',
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})
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.then(res => res.blob())
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.catch( err => generateBlobVideoByProxy(url) );
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return blob;
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}
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async function generateBlobVideoByProxy(url) {
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const blob = await fetch( '/proxy_to_get', {
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method: 'POST',
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mode: 'cors',
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cache: 'no-cache',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({url: url}),
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}
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).then(res => res.blob());
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return blob;
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}
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async function getRealURL(url) {
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const response = await fetch('/api', {
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method: 'POST',
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mode: 'cors',
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cache: 'no-cache',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({url: url}),
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});
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return response.json();
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}
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function closeAndResetVideoContainerHandler(event) {
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event.preventDefault();
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videoContainer.style.display = 'none';
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}
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window.addEventListener('load', (event) => {
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downloadFormButton = document.querySelector('#download-form-button');
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downloadForm = document.querySelector('#download-form');
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videoContainer = document.querySelector('#video-container');
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video = document.querySelector('#video');
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downloadFormUrl = document.querySelector('#download-form-url');
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downloadVideo = document.querySelector('#download-video');
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closeAndResetVideoContainer = document.querySelector('#close-and-reset-video-container');
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downloadFormButton.addEventListener('click', downloadFormButtonHandler);
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downloadForm.addEventListener('submit', downloadFormHandler);
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closeAndResetVideoContainer.addEventListener('click', closeAndResetVideoContainerHandler);
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});
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