rudeshark.net/src/services/drive/upload-from-url.ts

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import * as fs from 'fs';
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import * as URL from 'url';
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import * as debug from 'debug';
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';
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import * as mongodb from 'mongodb';
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const log = debug('misskey:drive:upload-from-url');
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export default async (url: string, user: IUser, folderId: mongodb.ObjectID = null, uri: string = null): Promise<IDriveFile> => {
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log(`REQUESTED: ${url}`);
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let name = URL.parse(url).pathname.split('/').pop();
if (!validateFileName(name)) {
name = null;
}
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log(`name: ${name}`);
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// Create temp file
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const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
tmp.file((e, path, fd, cleanup) => {
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if (e) return rej(e);
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res([path, cleanup]);
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});
});
// write content at URL to temp file
await new Promise((res, rej) => {
const writable = fs.createWriteStream(path);
request(url)
.on('error', rej)
.on('end', () => {
writable.close();
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res();
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})
.pipe(writable)
.on('error', rej);
});
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let driveFile: IDriveFile;
let error;
try {
driveFile = await create(user, path, name, null, folderId, false, config.preventCacheRemoteFiles, url, uri);
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log(`created: ${driveFile._id}`);
} catch (e) {
error = e;
log(`failed: ${e}`);
}
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// clean-up
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cleanup();
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if (error) {
throw error;
} else {
return driveFile;
}
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};