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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as fs from 'node:fs';
import { copyFile, unlink, writeFile, chmod } from 'node:fs/promises';
import * as Path from 'node:path';
import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
import type { Config } from '@/config.js';
import { bindThis } from '@/decorators.js';
@Injectable()
export class InternalStorageService {
constructor(
@Inject(DI.config)
private config: Config,
) {
// No one should erase the working directory *while the server is running*.
fs.mkdirSync(this.config.mediaDirectory, { recursive: true });
}
@bindThis
public resolvePath(key: string) {
return Path.resolve(this.config.mediaDirectory, key);
}
@bindThis
public read(key: string) {
return fs.createReadStream(this.resolvePath(key));
}
@bindThis
public async saveFromPath(key: string, srcPath: string): Promise<string> {
await copyFile(srcPath, this.resolvePath(key));
return await this.finalizeSavedFile(key);
}
@bindThis
public async saveFromBuffer(key: string, data: Buffer): Promise<string> {
await writeFile(this.resolvePath(key), data);
return await this.finalizeSavedFile(key);
}
private async finalizeSavedFile(key: string): Promise<string> {
if (this.config.filePermissionBits) {
const path = this.resolvePath(key);
await chmod(path, this.config.filePermissionBits);
}
return `${this.config.webUrl}/files/${key}`;
}
@bindThis
public async del(key: string): Promise<void> {
await unlink(this.resolvePath(key));
}
}
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