add mediaDirectory config option to configure location of uploaded media

2 files changed, 6 insertions, 10 deletions

diff --git a/packages/backend/src/config.ts b/packages/backend/src/config.ts
index e02f09bbe1..392ce09142 100644
--- a/packages/backend/src/config.ts
+++ b/packages/backend/src/config.ts
@@ -111,6 +111,7 @@ type Source = {
 	deliverJobMaxAttempts?: number;
 	inboxJobMaxAttempts?: number;
 
+	mediaDirectory?: string;
 	mediaProxy?: string;
 	proxyRemoteFiles?: boolean;
 	videoThumbnailGenerator?: string;
@@ -297,6 +298,7 @@ export type Config = {
 	frontendManifestExists: boolean;
 	frontendEmbedEntry: string;
 	frontendEmbedManifestExists: boolean;
+	mediaDirectory: string;
 	mediaProxy: string;
 	externalMediaProxyEnabled: boolean;
 	videoThumbnailGenerator: string | null;
@@ -463,6 +465,7 @@ export function loadConfig(): Config {
 		signToActivityPubGet: config.signToActivityPubGet ?? true,
 		attachLdSignatureForRelays: config.attachLdSignatureForRelays ?? true,
 		checkActivityPubGetSignature: config.checkActivityPubGetSignature,
+		mediaDirectory: config.mediaDirectory ?? resolve(_dirname, '../../../files'),
 		mediaProxy: externalMediaProxy ?? internalMediaProxy,
 		externalMediaProxyEnabled: externalMediaProxy !== null && externalMediaProxy !== internalMediaProxy,
 		videoThumbnailGenerator: config.videoThumbnailGenerator ?
@@ -638,7 +641,7 @@ function applyEnvOverrides(config: Source) {
 	_apply_top(['sentryForFrontend', 'vueIntegration', 'tracingOptions', 'timeout']);
 	_apply_top(['sentryForFrontend', 'browserTracingIntegration', 'routeLabel']);
 	_apply_top([['clusterLimit', 'deliverJobConcurrency', 'inboxJobConcurrency', 'relashionshipJobConcurrency', 'deliverJobPerSec', 'inboxJobPerSec', 'relashionshipJobPerSec', 'deliverJobMaxAttempts', 'inboxJobMaxAttempts']]);
-	_apply_top([['outgoingAddress', 'outgoingAddressFamily', 'proxy', 'proxySmtp', 'mediaProxy', 'proxyRemoteFiles', 'videoThumbnailGenerator']]);
+	_apply_top([['outgoingAddress', 'outgoingAddressFamily', 'proxy', 'proxySmtp', 'mediaDirectory', 'mediaProxy', 'proxyRemoteFiles', 'videoThumbnailGenerator']]);
 	_apply_top([['maxFileSize', 'maxNoteLength', 'maxRemoteNoteLength', 'maxAltTextLength', 'maxRemoteAltTextLength', 'pidFile', 'filePermissionBits']]);
 	_apply_top(['import', ['downloadTimeout', 'maxFileSize']]);
 	_apply_top([['signToActivityPubGet', 'checkActivityPubGetSignature', 'setupPassword', 'disallowExternalApRedirect']]);
diff --git a/packages/backend/src/core/InternalStorageService.ts b/packages/backend/src/core/InternalStorageService.ts
index b00c5796d2..abdbbc61d3 100644
--- a/packages/backend/src/core/InternalStorageService.ts
+++ b/packages/backend/src/core/InternalStorageService.ts
@@ -6,18 +6,11 @@
 import * as fs from 'node:fs';
 import { copyFile, unlink, writeFile, chmod } from 'node:fs/promises';
 import * as Path from 'node:path';
-import { fileURLToPath } from 'node:url';
-import { dirname } 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';
 
-const _filename = fileURLToPath(import.meta.url);
-const _dirname = dirname(_filename);
-
-const path = Path.resolve(_dirname, '../../../../files');
-
 @Injectable()
 export class InternalStorageService {
 	constructor(
@@ -25,12 +18,12 @@ export class InternalStorageService {
 		private config: Config,
 	) {
 		// No one should erase the working directory *while the server is running*.
-		fs.mkdirSync(path, { recursive: true });
+		fs.mkdirSync(this.config.mediaDirectory, { recursive: true });
 	}
 
 	@bindThis
 	public resolvePath(key: string) {
-		return Path.resolve(path, key);
+		return Path.resolve(this.config.mediaDirectory, key);
 	}
 
 	@bindThis