52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
import { Storage } from "./Storage";
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import fs from "fs";
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import fse from "fs-extra";
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import { join, relative, dirname } from "path";
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import "missing-native-js-functions";
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import { Readable } from "stream";
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import ExifTransformer = require("exif-be-gone");
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// TODO: split stored files into separate folders named after cloned route
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function getPath(path: string) {
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// STORAGE_LOCATION has a default value in start.ts
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const root = process.env.STORAGE_LOCATION || "../";
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var filename = join(root, path);
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if (path.indexOf("\0") !== -1 || !filename.startsWith(root))
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throw new Error("invalid path");
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return filename;
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}
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export class FileStorage implements Storage {
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async get(path: string): Promise<Buffer | null> {
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path = getPath(path);
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try {
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return fs.readFileSync(path);
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} catch (error) {
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try {
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const files = fs.readdirSync(path);
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if (!files.length) return null;
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return fs.readFileSync(join(path, files[0]));
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} catch (error) {
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return null;
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}
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}
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}
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async set(path: string, value: any) {
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path = getPath(path);
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fse.ensureDirSync(dirname(path));
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value = Readable.from(value);
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const cleaned_file = fs.createWriteStream(path);
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return value.pipe(new ExifTransformer()).pipe(cleaned_file);
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}
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async delete(path: string) {
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//TODO we should delete the parent directory if empty
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fs.unlinkSync(getPath(path));
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}
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}
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