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import * as fs from 'fs';
import * as URL from 'url';
import * as tmp from 'tmp';
import * as request from 'request';
import { IDriveFile, validateFileName } from '../../models/drive-file';
import create from './add-file';
import config from '../../config';
import { IUser } from '../../models/user';
import * as mongodb from 'mongodb';
import { driveLogger } from './logger';
import chalk from 'chalk';
const logger = driveLogger.createSubLogger('downloader');
export default async (
url: string,
user: IUser,
folderId: mongodb.ObjectID = null,
uri: string = null,
sensitive = false,
force = false,
link = false
): Promise<IDriveFile> => {
let name = URL.parse(url).pathname.split('/').pop();
if (!validateFileName(name)) {
name = null;
}
// Create temp file
const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
tmp.file((e, path, fd, cleanup) => {
if (e) return rej(e);
res([path, cleanup]);
});
});
// write content at URL to temp file
await new Promise((res, rej) => {
logger.info(`Downloading ${chalk.cyan(url)} ...`);
const writable = fs.createWriteStream(path);
writable.on('finish', () => {
logger.succ(`Download finished: ${chalk.cyan(url)}`);
res();
});
writable.on('error', error => {
logger.error(`Download failed: ${chalk.cyan(url)}: ${error}`, {
url: url,
e: error
});
rej(error);
});
const requestUrl = URL.parse(url).pathname.match(/[^\u0021-\u00ff]/) ? encodeURI(url) : url;
const req = request({
url: requestUrl,
proxy: config.proxy,
timeout: 10 * 1000,
headers: {
'User-Agent': config.userAgent
}
});
req.pipe(writable);
req.on('response', response => {
if (response.statusCode !== 200) {
logger.error(`Got ${response.statusCode} (${url})`);
writable.close();
rej(response.statusCode);
}
});
req.on('error', error => {
logger.error(`Failed to start download: ${chalk.cyan(url)}: ${error}`, {
url: url,
e: error
});
writable.close();
rej(error);
});
});
let driveFile: IDriveFile;
let error;
try {
driveFile = await create(user, path, name, null, folderId, force, link, url, uri, sensitive);
logger.succ(`Got: ${driveFile._id}`);
} catch (e) {
error = e;
logger.error(`Failed to create drive file: ${e}`, {
url: url,
e: e
});
}
// clean-up
cleanup();
if (error) {
throw error;
} else {
return driveFile;
}
};
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