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perf: quick way to validate token string (#302)

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Dcalsky 2023-07-21 03:35:04 +08:00 committed by GitHub
parent 873d96d0a0
commit 8b7470d561
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2 changed files with 1 additions and 4 deletions
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3
parser.go
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@ -130,9 +130,6 @@ func (p *Parser) ParseUnverified(tokenString string, claims Claims) (token *Toke
// parse Header // parse Header
var headerBytes []byte var headerBytes []byte
if headerBytes, err = p.DecodeSegment(parts[0]); err != nil { if headerBytes, err = p.DecodeSegment(parts[0]); err != nil {
if strings.HasPrefix(strings.ToLower(tokenString), "bearer ") {
return token, parts, newError("tokenstring should not contain 'bearer '", ErrTokenMalformed)
}
return token, parts, newError("could not base64 decode header", ErrTokenMalformed, err) return token, parts, newError("could not base64 decode header", ErrTokenMalformed, err)
} }
if err = json.Unmarshal(headerBytes, &token.Header); err != nil { if err = json.Unmarshal(headerBytes, &token.Header); err != nil {

2
request/extractor.go
View File

@ -90,7 +90,7 @@ func (e BearerExtractor) ExtractToken(req *http.Request) (string, error) {
tokenHeader := req.Header.Get("Authorization") tokenHeader := req.Header.Get("Authorization")
// The usual convention is for "Bearer" to be title-cased. However, there's no // The usual convention is for "Bearer" to be title-cased. However, there's no
// strict rule around this, and it's best to follow the robustness principle here. // strict rule around this, and it's best to follow the robustness principle here.
if tokenHeader == "" || !strings.HasPrefix(strings.ToLower(tokenHeader), "bearer ") { if len(tokenHeader) < 7 || !strings.HasPrefix(strings.ToLower(tokenHeader[:7]), "bearer ") {
return "", ErrNoTokenInRequest return "", ErrNoTokenInRequest
} }
return tokenHeader[7:], nil return tokenHeader[7:], nil