JWT parsed without signature verification

Code reviewSecurityMid–Senior~22 min

Review this Go API-gateway auth check.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 22 min

Mark a line and say what kind of problem it is.0 findings

1func userFromToken(r *http.Request) (string, error) {

2 raw := strings.TrimPrefix(r.Header.Get("Authorization"), "Bearer ")

3 parser := jwt.NewParser()

4 claims := jwt.MapClaims{}

5 _, _, err := parser.ParseUnverified(raw, claims)

6 if err != nil {

7 return "", err

8 }

9 return claims["sub"].(string), nil

10}

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