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toim
31 lines
1016 B
Go
31 lines
1016 B
Go
// SPDX-License-Identifier: MIT
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// SPDX-FileCopyrightText: © 2015 LabStack LLC and Echo contributors
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package middleware
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import (
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"errors"
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"io/fs"
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"os"
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)
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// We ignore these errors as there could be handler that matches request path.
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func isIgnorableOpenFileError(err error) bool {
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if os.IsNotExist(err) {
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return true
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}
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// As of Go 1.20 Windows path checks are more strict on the provided path and considers [UNC](https://en.wikipedia.org/wiki/Path_(computing)#UNC)
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// paths with missing host etc parts as invalid. Previously it would result you `fs.ErrNotExist`.
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// Also `fs.Open` on all OSes does not accept ``, `.`, `..` at all.
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//
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// so we need to treat those errors the same as `fs.ErrNotExists` so we can continue handling
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// errors in the middleware/handler chain. Otherwise we might end up with status 500 instead of finding a route
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// or return 404 not found.
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var pErr *fs.PathError
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if errors.As(err, &pErr) {
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err = pErr.Err
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return err.Error() == "invalid argument"
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}
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return false
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}
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