TheLanc3/YoutubeDL-Material
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Multiple binaries can now exist, and if the needed one is missing it will be downloaded at runtime

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Tzahi12345
2023-11-26 19:10:22 -05:00
parent 7bf2fb5fef
commit 9ca6563b36
5 changed files with 30 additions and 62 deletions
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76
backend/youtube-dl.js
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@@ -27,6 +27,8 @@ exports.youtubedl_forks = {
}
exports.runYoutubeDL = async (url, args, customDownloadHandler = null) => {
const output_file_path = getYoutubeDLPath();
if (!fs.existsSync(output_file_path)) await exports.checkForYoutubeDLUpdate();
let callback = null;
let child_process = null;
if (customDownloadHandler) {
@@ -82,31 +84,25 @@ exports.killYoutubeDLProcess = async (child_process) => {
}
exports.checkForYoutubeDLUpdate = async () => {
const default_downloader = config_api.getConfigItem('ytdl_default_downloader');
const selected_fork = config_api.getConfigItem('ytdl_default_downloader');
const output_file_path = getYoutubeDLPath();
// get current version
let current_app_details_exists = fs.existsSync(CONSTS.DETAILS_BIN_PATH);
if (!current_app_details_exists) {
logger.warn(`Failed to get youtube-dl binary details at location '${CONSTS.DETAILS_BIN_PATH}'. Generating file...`);
fs.writeJSONSync(CONSTS.DETAILS_BIN_PATH, {"version": CONSTS.OUTDATED_YOUTUBEDL_VERSION, "downloader": default_downloader});
}
let current_app_details = JSON.parse(fs.readFileSync(CONSTS.DETAILS_BIN_PATH));
let current_version = current_app_details['version'];
let current_downloader = current_app_details['downloader'];
let stored_binary_path = current_app_details['path'];
if (!stored_binary_path || typeof stored_binary_path !== 'string') {
// logger.info(`INFO: Failed to get youtube-dl binary path at location: ${CONSTS.DETAILS_BIN_PATH}, attempting to guess actual path...`);
const guessed_file_path = getYoutubeDLPath();
if (fs.existsSync(guessed_file_path)) {
stored_binary_path = guessed_file_path;
// logger.info('INFO: Guess successful! Update process continuing...')
} else {
logger.warn(`youtuble-dl binary not found at '${guessed_file_path}', downloading...`);
return true;
}
updateDetailsJSON(CONSTS.OUTDATED_YOUTUBEDL_VERSION, selected_fork, output_file_path);
}
const current_app_details = JSON.parse(fs.readFileSync(CONSTS.DETAILS_BIN_PATH));
const current_version = current_app_details['version'];
const current_fork = current_app_details['downloader'];
// got version, now let's check the latest version from the youtube-dl API
return await getLatestUpdateVersion(default_downloader, current_downloader, current_version)
const latest_version = await getLatestUpdateVersion(selected_fork);
// if the binary does not exist, or default_downloader doesn't match existing fork, or if the fork has been updated, redownload
// TODO: don't redownload if fork already exists
if (!fs.existsSync(output_file_path) || current_fork !== selected_fork || !current_version || current_version !== latest_version) {
logger.warn(`Updating ${selected_fork} binary to '${output_file_path}', downloading...`);
exports.updateYoutubeDL(latest_version);
}
}
exports.updateYoutubeDL = async (latest_update_version, custom_output_path = null) => {
@@ -115,18 +111,6 @@ exports.updateYoutubeDL = async (latest_update_version, custom_output_path = nul
await downloadLatestYoutubeDLBinaryGeneric(default_downloader, latest_update_version, custom_output_path);
}
exports.verifyBinaryExists = () => {
const details_json = fs.readJSONSync(CONSTS.DETAILS_BIN_PATH);
if (!is_windows && details_json && (!details_json['path'] || details_json['path'].includes('.exe'))) {
details_json['path'] = getYoutubeDLPath();
details_json['exec'] = 'youtube-dl';
details_json['version'] = CONSTS.OUTDATED_YOUTUBEDL_VERSION;
fs.writeJSONSync(CONSTS.DETAILS_BIN_PATH, details_json);
utils.restartServer();
}
}
async function downloadLatestYoutubeDLBinaryGeneric(youtubedl_fork, new_version, custom_output_path = null) {
const file_ext = is_windows ? '.exe' : '';
@@ -134,48 +118,42 @@ async function downloadLatestYoutubeDLBinaryGeneric(youtubedl_fork, new_version,
const download_url = `${exports.youtubedl_forks[youtubedl_fork]['download_url']}${file_ext}`;
const output_path = custom_output_path || getYoutubeDLPath(youtubedl_fork);
await utils.fetchFile(download_url, output_path, `youtube-dl ${new_version}`);
await utils.fetchFile(download_url, output_path, `${youtubedl_fork} ${new_version}`);
fs.chmod(output_path, 0o777);
updateDetailsJSON(new_version, youtubedl_fork, output_path);
}
}
const getLatestUpdateVersion = async (youtubedl_fork, current_downloader, current_version) => {
const getLatestUpdateVersion = async (youtubedl_fork) => {
const tags_url = exports.youtubedl_forks[youtubedl_fork]['tags_url'];
return new Promise(resolve => {
fetch(tags_url, {method: 'Get'})
.then(async res => res.json())
.then(async (json) => {
// check if the versions are different
if (!json || !json[0]) {
logger.error(`Failed to check ${youtubedl_fork} version for an update.`)
resolve(null);
return;
}
const latest_update_version = json[0]['name'];
if (current_version !== latest_update_version ||
youtubedl_fork !== current_downloader) {
// versions different or different downloader is being used, download new update
resolve(latest_update_version);
} else {
resolve(null);
}
return;
resolve(latest_update_version);
})
.catch(err => {
logger.error(`Failed to check ${youtubedl_fork} version for an update.`)
logger.error(err);
resolve(null);
return;
});
});
}
function updateDetailsJSON(new_version, fork, output_path) {
const file_ext = is_windows ? '.exe' : '';
const details_json = fs.readJSONSync(CONSTS.DETAILS_BIN_PATH);
if (new_version) details_json['version'] = new_version;
details_json['downloader'] = fork;
details_json['path'] = output_path; // unused
details_json['exec'] = fork + file_ext; // unused
const details_json = fs.existsSync(CONSTS.DETAILS_BIN_PATH) ? fs.readJSONSync(CONSTS.DETAILS_BIN_PATH) : {};
if (!details_json[fork]) details_json[fork] = {};
const fork_json = details_json[fork];
fork_json['version'] = new_version;
fork_json['downloader'] = fork;
fork_json['path'] = output_path; // unused
fork_json['exec'] = fork + file_ext; // unused
fs.writeJSONSync(CONSTS.DETAILS_BIN_PATH, details_json);
}