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enhance(server): better content type detection

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This commit is contained in:
syuilo
2021-12-26 01:43:51 +09:00
parent fe3609451e
commit d53795184c
4 changed files with 40 additions and 4 deletions
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8
packages/backend/src/server/file/send-drive-file.ts
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@ -14,6 +14,7 @@ import { detectType } from '@/misc/get-file-info';
import { convertToJpeg, convertToPngOrJpeg } from '@/services/drive/image-processor';
import { GenerateVideoThumbnail } from '@/services/drive/generate-video-thumbnail';
import { StatusError } from '@/misc/fetch';
import { FILE_TYPE_WHITELIST } from '@/const';
//const _filename = fileURLToPath(import.meta.url);
const _filename = __filename;
@ -27,6 +28,7 @@ const commonReadableHandlerGenerator = (ctx: Koa.Context) => (e: Error): void =>
ctx.set('Cache-Control', 'max-age=300');
};
// eslint-disable-next-line import/no-default-export
export default async function(ctx: Koa.Context) {
const key = ctx.params.key;
@ -81,7 +83,7 @@ export default async function(ctx: Koa.Context) {
const image = await convertFile();
ctx.body = image.data;
ctx.set('Content-Type', image.type);
ctx.set('Content-Type', FILE_TYPE_WHITELIST.includes(image.type) ? image.type : 'application/octet-stream');
ctx.set('Cache-Control', 'max-age=31536000, immutable');
} catch (e) {
serverLogger.error(`${e}`);
@ -112,14 +114,14 @@ export default async function(ctx: Koa.Context) {
}).toString();
ctx.body = InternalStorage.read(key);
ctx.set('Content-Type', mime);
ctx.set('Content-Type', FILE_TYPE_WHITELIST.includes(mime) ? mime : 'application/octet-stream');
ctx.set('Cache-Control', 'max-age=31536000, immutable');
ctx.set('Content-Disposition', contentDisposition('inline', filename));
} else {
const readable = InternalStorage.read(file.accessKey!);
readable.on('error', commonReadableHandlerGenerator(ctx));
ctx.body = readable;
ctx.set('Content-Type', file.type);
ctx.set('Content-Type', FILE_TYPE_WHITELIST.includes(file.type) ? file.type : 'application/octet-stream');
ctx.set('Cache-Control', 'max-age=31536000, immutable');
ctx.set('Content-Disposition', contentDisposition('inline', file.name));
}

3
packages/backend/src/server/proxy/proxy-media.ts
View File

@ -6,6 +6,7 @@ import { createTemp } from '@/misc/create-temp';
import { downloadUrl } from '@/misc/download-url';
import { detectType } from '@/misc/get-file-info';
import { StatusError } from '@/misc/fetch';
import { FILE_TYPE_WHITELIST } from '@/const';
export async function proxyMedia(ctx: Koa.Context) {
const url = 'url' in ctx.query ? ctx.query.url : 'https://' + ctx.params.url;
@ -18,7 +19,7 @@ export async function proxyMedia(ctx: Koa.Context) {
const { mime, ext } = await detectType(path);
if (!mime.startsWith('image/')) throw 403;
if (!FILE_TYPE_WHITELIST.includes(mime)) throw 403;
let image: IImage;