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Merge pull request #28 from benammann/6-scan-for-plain-passwords-in-g…
…it-hook adds git secrets scan command
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| Original file line number | Diff line number | Diff line change |
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| #!/usr/bin/env sh | ||
| . "$(dirname -- "$0")/_/husky.sh" | ||
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| go test ./... | ||
| git secrets scan |
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| Original file line number | Diff line number | Diff line change |
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| watch: | ||
| CompileDaemon |
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| Copyright © 2022 NAME HERE <EMAIL ADDRESS> | ||
| 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 cmd | ||
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| import ( | ||
| "bufio" | ||
| "fmt" | ||
| config_generic "github.com/benammann/git-secrets/pkg/config/generic" | ||
| gitutil "github.com/benammann/git-secrets/pkg/git_utility" | ||
| "github.com/benammann/git-secrets/pkg/utility" | ||
| "github.com/fatih/color" | ||
| "os" | ||
| "strings" | ||
| "sync" | ||
| "time" | ||
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| "github.com/spf13/cobra" | ||
| ) | ||
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| type DecodedSecret struct { | ||
| secret *config_generic.Secret | ||
| decodedValue string | ||
| } | ||
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| // scanCmd represents the scan command | ||
| var scanCmd = &cobra.Command{ | ||
| Use: "scan", | ||
| PersistentPreRun: func(cmd *cobra.Command, args []string) { | ||
| cobra.CheckErr(projectCfgError) | ||
| }, | ||
| Short: "A brief description of your command", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
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| start := time.Now() | ||
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| scanAll, _ := cmd.Flags().GetBool(FlagAll) | ||
| verbose, _ := cmd.Flags().GetBool(FlagVerbose) | ||
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| stagedFiles, errStagedFiles := gitutil.GetStagedFiles(scanAll) | ||
| if errStagedFiles != nil { | ||
| cobra.CheckErr(errStagedFiles) | ||
| } | ||
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| if len(stagedFiles) == 0 { | ||
| fmt.Println("no staged files found. use --all to scan all files") | ||
| return | ||
| } | ||
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| var decodedSecrets []*DecodedSecret | ||
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| for _, context := range projectCfg.GetContexts() { | ||
| contextSecrets := projectCfg.GetSecretsByContext(context.Name) | ||
| for _, secret := range contextSecrets { | ||
| decodedValue, errDecode := secret.Decode() | ||
| if errDecode != nil { | ||
| color.Yellow("Warning: could not decode secret %s from context %s, skipping this secret\n", secret.Name, secret.OriginContext.Name) | ||
| continue | ||
| } | ||
| decodedSecrets = append(decodedSecrets, &DecodedSecret{secret: secret, decodedValue: decodedValue}) | ||
| } | ||
| } | ||
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| var leakedSecrets []struct { | ||
| fileName string | ||
| line int | ||
| lineContent string | ||
| secret *DecodedSecret | ||
| } | ||
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| registerLeakedSecret := func(fileName string, line int, lineContent string, secret *DecodedSecret) { | ||
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| lineContent = strings.ReplaceAll(lineContent, secret.decodedValue, "************") | ||
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| leakedSecrets = append(leakedSecrets, struct { | ||
| fileName string | ||
| line int | ||
| lineContent string | ||
| secret *DecodedSecret | ||
| }{fileName: fileName, line: line, lineContent: lineContent, secret: secret}) | ||
| } | ||
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| var failures []struct { | ||
| fileName string | ||
| err error | ||
| } | ||
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| registerFailure := func(fileName string, err error) { | ||
| failures = append(failures, struct { | ||
| fileName string | ||
| err error | ||
| }{fileName: fileName, err: err}) | ||
| } | ||
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| stagedFilesChunks := utility.ChunkStringSlice(stagedFiles, 10000) | ||
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| for _, stagedFilesChunk := range stagedFilesChunks { | ||
| var filesWaitGroup sync.WaitGroup | ||
| for _, stagedFile := range stagedFilesChunk { | ||
| filesWaitGroup.Add(1) | ||
| go func(stagedFile string) { | ||
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| if verbose { | ||
| fmt.Println(stagedFile) | ||
| } | ||
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| f, err := os.OpenFile(stagedFile, os.O_RDONLY, os.ModePerm) | ||
| if err != nil { | ||
| registerFailure(stagedFile, fmt.Errorf("open file error: %s", err.Error())) | ||
| return | ||
| } | ||
| defer f.Close() | ||
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| sc := bufio.NewScanner(f) | ||
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| currentLine := 0 | ||
| for sc.Scan() { | ||
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| lineContent := sc.Text() | ||
| currentLine++ | ||
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| for _, secret := range decodedSecrets { | ||
| if strings.Contains(lineContent, secret.decodedValue) { | ||
| registerLeakedSecret(stagedFile, currentLine, lineContent, secret) | ||
| } | ||
| } | ||
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| } | ||
| if err := sc.Err(); err != nil { | ||
| registerFailure(stagedFile, fmt.Errorf("scan file error: %s", err.Error())) | ||
| return | ||
| } | ||
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| filesWaitGroup.Done() | ||
| }(stagedFile) | ||
| } | ||
| filesWaitGroup.Wait() | ||
| } | ||
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| elapsed := time.Since(start) | ||
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| yellow := color.New(color.FgYellow).SprintFunc() | ||
| red := color.New(color.FgRed).SprintFunc() | ||
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| if len(leakedSecrets) > 0 || len(failures) > 0 { | ||
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| if verbose { | ||
| fmt.Printf("\n") | ||
| } | ||
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| for _, failure := range failures { | ||
| fmt.Printf("%s - error: %s\n", red(failure.fileName), yellow(failure.err.Error())) | ||
| } | ||
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| for _, leakedSecret := range leakedSecrets { | ||
| fmt.Printf("%s:%s - secret %s from context %s is present\n", red(leakedSecret.fileName), yellow(leakedSecret.line), yellow(leakedSecret.secret.secret.Name), yellow(leakedSecret.secret.secret.OriginContext.Name)) | ||
| fmt.Printf("%s%d | %s\n\n", yellow("> "), leakedSecret.line, leakedSecret.lineContent) | ||
| } | ||
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| color.Red("Searched in %d files for %d secrets in %s \n", len(stagedFiles), len(decodedSecrets), elapsed) | ||
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| os.Exit(1) | ||
| } else { | ||
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| if verbose { | ||
| fmt.Printf("\n") | ||
| } | ||
| color.Green("All files are clean of any leaked secret contained in .git-secrets.json\n") | ||
| color.Green("Searched in %d files for %d secrets in %s \n", len(stagedFiles), len(decodedSecrets), elapsed) | ||
| } | ||
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| }, | ||
| } | ||
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| func init() { | ||
| rootCmd.AddCommand(scanCmd) | ||
| scanCmd.Flags().BoolP(FlagAll, "a", false, "--all or -a: scan all files that are contained in the git repo") | ||
| scanCmd.Flags().BoolP(FlagVerbose, "v", false, "--verbose or -v: list the scanned files") | ||
| // Here you will define your flags and configuration settings. | ||
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| // Cobra supports Persistent Flags which will work for this command | ||
| // and all subcommands, e.g.: | ||
| // scanCmd.PersistentFlags().String("foo", "", "A help for foo") | ||
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| // Cobra supports local flags which will only run when this command | ||
| // is called directly, e.g.: | ||
| // scanCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle") | ||
| } |
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