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(fix) `/files` をバイトレンジリクエストに対応させる

This commit is contained in:
kakkokari-gtyih 2024-01-06 15:16:10 +09:00
parent 2da19d96be
commit f159fc80c6
1 changed files with 66 additions and 0 deletions
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66
packages/backend/src/server/FileServerService.ts
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@ -168,6 +168,29 @@ export class FileServerService {
}
if (!image) {
if (request.headers.range) {
const range = request.headers.range as string;
const parts = range.replace(/bytes=/, '').split('-');
const start = parseInt(parts[0], 10);
let end = parts[1] ? parseInt(parts[1], 10) : file.file.size - 1;
if (end > file.file.size) {
end = file.file.size - 1;
}
image = {
data: fs.createReadStream(file.path, {
start,
end,
}),
ext: file.ext,
type: file.mime,
};
const chunksize = end - start + 1;
reply.header('Content-Range', `bytes ${start}-${end}/${file.file.size}`);
reply.header('Accept-Ranges', 'bytes');
reply.header('Content-Length', chunksize);
}
image = {
data: fs.createReadStream(file.path),
ext: file.ext,
@ -203,11 +226,54 @@ export class FileServerService {
reply.header('Content-Type', FILE_TYPE_BROWSERSAFE.includes(file.mime) ? file.mime : 'application/octet-stream');
reply.header('Cache-Control', 'max-age=31536000, immutable');
reply.header('Content-Disposition', contentDisposition('inline', filename));
if (request.headers.range) {
const range = request.headers.range as string;
const parts = range.replace(/bytes=/, '').split('-');
const start = parseInt(parts[0], 10);
let end = parts[1] ? parseInt(parts[1], 10) : file.file.size - 1;
if (end > file.file.size) {
end = file.file.size - 1;
}
const chunksize = end - start + 1;
const fileStream = fs.createReadStream(file.path, {
start,
end,
});
reply.header('Content-Range', `bytes ${start}-${end}/${file.file.size}`);
reply.header('Accept-Ranges', 'bytes');
reply.header('Content-Length', chunksize);
reply.code(206);
return fileStream;
}
return fs.createReadStream(file.path);
} else {
reply.header('Content-Type', FILE_TYPE_BROWSERSAFE.includes(file.file.type) ? file.file.type : 'application/octet-stream');
reply.header('Cache-Control', 'max-age=31536000, immutable');
reply.header('Content-Disposition', contentDisposition('inline', file.filename));
if (request.headers.range) {
const range = request.headers.range as string;
const parts = range.replace(/bytes=/, '').split('-');
const start = parseInt(parts[0], 10);
let end = parts[1] ? parseInt(parts[1], 10) : file.file.size - 1;
console.log(end);
if (end > file.file.size) {
end = file.file.size - 1;
}
const chunksize = end - start + 1;
const fileStream = fs.createReadStream(file.path, {
start,
end,
});
reply.header('Content-Range', `bytes ${start}-${end}/${file.file.size}`);
reply.header('Accept-Ranges', 'bytes');
reply.header('Content-Length', chunksize);
reply.code(206);
return fileStream;
}
return fs.createReadStream(file.path);
}
} catch (e) {