github.com/google/osv-scalibr@v0.4.1/veles/secrets/jwt/detector.go (about)

     1  // Copyright 2025 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package jwt
    16  
    17  import (
    18  	"github.com/google/osv-scalibr/veles"
    19  	"github.com/google/osv-scalibr/veles/secrets/common/jwt"
    20  )
    21  
    22  type detector struct{}
    23  
    24  // NewDetector returns a new Veles Detector that finds JWT tokens.
    25  func NewDetector() veles.Detector {
    26  	return &detector{}
    27  }
    28  
    29  // Detect finds JWT tokens.
    30  func (d *detector) Detect(data []byte) ([]veles.Secret, []int) {
    31  	tokens, positions := jwt.ExtractTokens(data)
    32  	secrets := make([]veles.Secret, len(tokens))
    33  	for i, t := range tokens {
    34  		secrets[i] = Token{Value: t.Raw()}
    35  	}
    36  	return secrets, positions
    37  }
    38  
    39  // MaxSecretLen return the max length that a JWT token can have.
    40  func (d *detector) MaxSecretLen() uint32 {
    41  	return jwt.MaxTokenLength
    42  }