drone/git/api/scan_secrets.go

110 lines
3.2 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"fmt"
"github.com/zricethezav/gitleaks/v8/detect"
"github.com/zricethezav/gitleaks/v8/report"
"github.com/zricethezav/gitleaks/v8/sources"
)
// Finding contains gitleaks report.finding information.
type Finding struct {
Description string `json:"description"`
StartLine int64 `json:"start_line"`
EndLine int64 `json:"end_line"`
StartColumn int64 `json:"start_column"`
EndColumn int64 `json:"end_column"`
Match string `json:"match"`
Secret string `json:"secret"`
File string `json:"file"`
SymlinkFile string `json:"symlink_file"`
Commit string `json:"commit"`
Entropy float64 `json:"entropy"`
Author string `json:"author"`
Email string `json:"email"`
Date string `json:"date"`
Message string `json:"message"`
Tags []string `json:"tags"`
RuleID string `json:"rule_id"`
// unique identifier
Fingerprint string `json:"fingerprint"`
}
// ScanSecrets detects secret leakage using gitleaks on the provided revision,
// or on the diff with baseRev if provided (baseRev is optional).
func (g *Git) ScanSecrets(
repoPath string,
baseRev string,
rev string,
) ([]Finding, error) {
if repoPath == "" {
return nil, ErrRepositoryPathEmpty
}
detector, err := detect.NewDetectorDefaultConfig()
if err != nil {
return nil, fmt.Errorf("failed to create a new gitleaks detector with default config: %w", err)
}
var logOpts string
logOpts = fmt.Sprintf("--no-merges --first-parent %s", rev)
if baseRev != "" {
logOpts = fmt.Sprintf("--no-merges --first-parent %s..%s", baseRev, rev)
}
gitCmd, err := sources.NewGitLogCmd(repoPath, logOpts)
if err != nil {
return nil, fmt.Errorf("failed to create a new git log cmd with diff: %w", err)
}
res, err := detector.DetectGit(gitCmd)
if err != nil {
return nil, fmt.Errorf("failed to detect git leaks on diff: %w", err)
}
return mapFindings(res), nil
}
func mapFindings(reports []report.Finding) []Finding {
var findings []Finding
for _, f := range reports {
findings = append(findings, Finding{
Description: f.Description,
StartLine: int64(f.StartLine),
EndLine: int64(f.EndLine),
StartColumn: int64(f.StartColumn),
EndColumn: int64(f.EndColumn),
Match: f.Match,
Secret: f.Secret,
File: f.File,
SymlinkFile: f.SymlinkFile,
Commit: f.Commit,
Entropy: float64(f.Entropy),
Author: f.Author,
Email: f.Email,
Date: f.Date,
Message: f.Message,
Tags: f.Tags,
RuleID: f.RuleID,
Fingerprint: f.Fingerprint,
})
}
return findings
}