mirror of https://github.com/coder/coder.git
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package httpmw
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import (
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"context"
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"net/http"
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"runtime/debug"
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"cdr.dev/slog"
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"github.com/coder/coder/v2/coderd/httpapi"
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"github.com/coder/coder/v2/coderd/tracing"
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)
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func Recover(log slog.Logger) func(h http.Handler) http.Handler {
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return func(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer func() {
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r := recover()
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// Reverse proxying (among other things) may panic with
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// http.ErrAbortHandler when the request is aborted. It's not a
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// real panic so we shouldn't log them.
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//
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//nolint:errorlint // this is how the stdlib does the check
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if r != nil && r != http.ErrAbortHandler {
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log.Warn(context.Background(),
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"panic serving http request (recovered)",
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slog.F("panic", r),
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slog.F("stack", string(debug.Stack())),
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)
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var hijacked bool
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if sw, ok := w.(*tracing.StatusWriter); ok {
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hijacked = sw.Hijacked
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}
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// Only try to write errors on
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// non-hijacked responses.
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if !hijacked {
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httpapi.InternalServerError(w, nil)
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}
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}
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}()
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h.ServeHTTP(w, r)
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})
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}
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}
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