feat: Add support for running as a library

.github/workflows/build.yml

@@ -4,7 +4,7 @@ on:
     branches:
       - master
   pull_request:
-  
+
 jobs:
   build:
     name: building squealer
@@ -16,9 +16,11 @@ jobs:
     - uses: actions/setup-go@v2
       with:
         stable: 'false'
-        go-version: '1.16.2' # The Go version to download (if necessary) and use.
+        go-version: '1.17.0' # The Go version to download (if necessary) and use.
     - run: go version
 
     - name: Run test
       run: make test
-
+
+    - name: Check quality
+      run: make quality

.github/workflows/releases.yml

@@ -15,7 +15,7 @@ jobs:
     - uses: actions/setup-go@v2
       with:
         stable: 'false'
-        go-version: '1.16.2' # The Go version to download (if necessary) and use.
+        go-version: '1.17.0' # The Go version to download (if necessary) and use.
     - run: go version
 
     - name: Login to Docker Hub

Makefile

@@ -14,5 +14,11 @@ test:
 push-image:
 	./scripts/publish-image.sh
 
+.PHONY: image
 image:
-	docker build --build-arg squealer_version=$(TRAVIS_TAG) -t $(IMAGE) .
+	docker build --build-arg squealer_version=$(TRAVIS_TAG) -t $(IMAGE) .
+
+.PHONY: quality
+quality:
+	which golangci-lint || go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.43.0
+	golangci-lint run --timeout 3m --verbose

README.md

@@ -1,4 +1,4 @@
-![Sqealer](squealer.png)
+![Squealer](.github/image/ssquealer.png)
 
 # Squealer
 
@@ -164,9 +164,52 @@ Squealer can be used for scanning a specific string using either the default con
 go get -u github.com/owenrumney/squealer
 ```
 
-### Using the code
+### Using as a library
+
+#### Git and Directory Scanning
+
+```go
+package main
+
+import (
+	"fmt"
+
+	"github.com/owenrumney/squealer/pkg/squealer"
+)
+
+func main() {
+
+	// create a new scanner (optionally load your own config in)
+	scanner, err :=  squealer.New(
+		squealer.OptionWithConfig(*cfg), // if not supplied , config.DefaultConfig() used
+		squealer.OptionRedactedSecrets(redacted), // defaults to true, secrets in output redacted
+		squealer.OptionNoGitScan(noGit), // Treat Directories with .git in them as Directories, defaults to false
+		squealer.OptionWithBasePath(basePath), // The path to scan, default is '.'
+		squealer.OptionWithFromHash(fromHash), // Specify the starting hash for the scan, useful for PRs
+		squealer.OptionWithToHash(toHash), // Specify the hash to stop scanning, useful for PRs scanning
+		squealer.OptionWithScanEverything(everything), // Scan everything in every branch, defaults to only the current branch
+		squealer.OptionWithCommitListFile(commitListFile), // a file of commits that you want to explicitly scan in a text file.
+	)
+
+	transgressions, err := scanner.Scan()
+	if err != nil {
+		panic(err)
+	}
+
+	for _, t := range transgressions {
+		fmt.Printf("%s[%d]\n", t.Filename, t.LineNo)
+    }
+}
+
+
+```
+
+#### String Scanning
+
+
+```go
+package main
 
-```golang
 import (
 	"fmt"
 

cmd/squealer/main.go

@@ -1,139 +1,14 @@
 package main
 
 import (
-	"fmt"
-	"math"
-	"os"
-
+	"github.com/owenrumney/squealer/internal/app/squealer/cmd"
 	log "github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
-
-	"github.com/owenrumney/squealer/internal/app/squealer/formatters"
-	"github.com/owenrumney/squealer/internal/app/squealer/mertics"
-	"github.com/owenrumney/squealer/internal/app/squealer/scan"
-	"github.com/owenrumney/squealer/pkg/config"
-)
-
-var rootcmd = &cobra.Command{
-	Use:   "squealer",
-	Short: "Search for secrets and squeal about them",
-	Long:  `Telling tales on your secret leaking`,
-	Run:   squeal,
-}
-
-var (
-	redacted       = false
-	concise        = false
-	noGit          = false
-	debug          = false
-	everything     = false
-	configFilePath string
-	fromHash       string
-	toHash         string
-	commitListFile string
-	format         string
+	"os"
 )
 
-func init() {
-	log.SetFormatter(&log.TextFormatter{})
-	log.SetOutput(os.Stderr)
-	log.SetLevel(log.InfoLevel)
-}
-
-func squeal(_ *cobra.Command, args []string) {
-	if concise {
-		log.SetLevel(log.FatalLevel)
-	}
-
-	if debug {
-		log.SetLevel(log.DebugLevel)
-	}
-
-	var basePath = "./"
-	if len(args) > 0 {
-		basePath = args[0]
-	}
-	cfg, err := config.LoadConfig(configFilePath)
-	if err != nil {
-		fail(err)
-	}
-
-	scanner := getScanner(cfg, basePath)
-	transgressions, err := scanner.Scan()
-	if err != nil {
-		fail(err)
-	}
-
-	output, err := formatters.GetFormatter(format).PrintTransgressions(transgressions, redacted)
-	if err != nil {
-		log.WithError(err).Error(err.Error())
-	}
-
-	fmt.Printf(output)
-
-	metrics := scanner.GetMetrics()
-	if !concise {
-		_, _ = fmt.Fprint(os.Stderr, printMetrics(metrics))
-	}
-
-	exitCode := int(math.Min(float64(metrics.TransgressionsReported), 1))
-
-	log.Infof("Exit code: %d", exitCode)
-	os.Exit(exitCode)
-}
-
-func getScanner(cfg *config.Config, basePath string) scan.Scanner {
-	scanner, err := scan.NewScanner(scan.ScannerConfig{
-		Cfg:            cfg,
-		Basepath:       basePath,
-		Redacted:       redacted,
-		NoGit:          noGit,
-		FromHash:       fromHash,
-		ToHash:         toHash,
-		Everything:     everything,
-		CommitListFile: commitListFile,
-	})
-	if err != nil {
-		fail(err)
-	}
-	return scanner
-}
-
-func printMetrics(metrics *mertics.Metrics) string {
-	duration, _ := metrics.Duration()
-	return fmt.Sprintf(`
-Processing:
-  duration:     %4.2fs
-  commits:      %d
-  commit files: %d
-
-transgressionMap:
-  identified:   %d
-  ignored:      %d
-  reported:     %d
-
-`,
-		duration,
-		metrics.CommitsProcessed,
-		metrics.FilesProcessed,
-		metrics.TransgressionsFound,
-		metrics.TransgressionsIgnored,
-		metrics.TransgressionsReported)
-}
-
 func main() {
-	rootcmd.PersistentFlags().BoolVar(&redacted, "redacted", redacted, "Display the results redacted.")
-	rootcmd.PersistentFlags().BoolVar(&concise, "concise", concise, "Reduced output.")
-	rootcmd.PersistentFlags().BoolVar(&noGit, "no-git", noGit, "Scan as a directory rather than a git history.")
-	rootcmd.PersistentFlags().BoolVar(&debug, "debug", debug, "Include debug output.")
-	rootcmd.PersistentFlags().BoolVar(&everything, "everything", everything, "Scan all commits.... everywhere.")
-	rootcmd.PersistentFlags().StringVar(&configFilePath, "config-file", configFilePath, "Path to the config file with the rules.")
-	rootcmd.PersistentFlags().StringVar(&fromHash, "from-hash", fromHash, "The hash to work back to from the starting hash.")
-	rootcmd.PersistentFlags().StringVar(&toHash, "to-hash", toHash, "The most recent hash to start with.")
-	rootcmd.PersistentFlags().StringVar(&format, "output-format", format, "The format that the output should come in (default, json, sarif.")
-	rootcmd.PersistentFlags().StringVar(&commitListFile, "commits-file", commitListFile, "Provide a file with the commits to check per line (git rev-list master..HEAD)")
 
-	if err := rootcmd.Execute(); err != nil {
+	if err := cmd.Root().Execute(); err != nil {
 		fail(err)
 	}
 }

go.mod

@@ -1,18 +1,39 @@
 module github.com/owenrumney/squealer
 
-go 1.16
+go 1.17
 
 require (
 	github.com/go-git/go-git/v5 v5.4.2
-	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/owenrumney/go-sarif v1.1.1
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.4.0
 	github.com/stretchr/testify v1.7.1
+	gopkg.in/yaml.v2 v2.4.0
+)
+
+require (
+	github.com/Microsoft/go-winio v0.4.16 // indirect
+	github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 // indirect
+	github.com/acomagu/bufpipe v1.0.3 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emirpasic/gods v1.12.0 // indirect
+	github.com/go-git/gcfg v1.5.0 // indirect
+	github.com/go-git/go-billy/v5 v5.3.1 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/sergi/go-diff v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/xanzy/ssh-agent v0.3.0 // indirect
+	github.com/zclconf/go-cty v1.10.0 // indirect
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
 	golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d // indirect
 	golang.org/x/sys v0.0.0-20211205182925-97ca703d548d // indirect
 	golang.org/x/text v0.3.7 // indirect
-	gopkg.in/yaml.v2 v2.4.0
+	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )