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fix: update stat behavior #889

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fix: update stat behavior #889

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21 changes: 19 additions & 2 deletions lib/core/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -343,11 +343,28 @@ module.exports = function createMiddleware(_dir, _options) {
})
}

function statWithAccess (file, cb) {
fs.stat(file, (err, stat) => {
if (err) {
cb(err);
return;
}
fs.access(file, fs.constants.R_OK, (err) => {
stat.readable = !err;
cb(err, stat);
});
});
}


function statFile() {
try {
fs.stat(file, (err, stat) => {
if (err && (err.code === 'ENOENT' || err.code === 'ENOTDIR')) {
statWithAccess(file, (err, stat) => {
const effectively404 =
(err && (err.code === 'ENOENT' || err.code === 'ENOTDIR')) ||
(!stat || !stat.readable);

if (effectively404) {
if (req.statusCode === 404) {
// This means we're already trying ./404.html and can not find it.
// So send plain text response with 404 status code
Expand Down