Merge pull request #5 from theorlandog/content

keygen config

cmd/easy_gpg/main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	// stdlib imports
-
 	"fmt"
 	"os"
 	"runtime"
@@ -63,7 +62,7 @@ func main() {
 		fmt.Println("easy_gpg only works on Windows, MacOS, and Linux")
 	}
 
-	// name, keylength, email = steps.CollectKeyInfo()
-	_, _, _ = steps.CollectKeyInfo()
-
+	name, keyType, keyLength, email, password, expireDays := steps.CollectKeyInfo()
+	configString := steps.GenerateKeyGenConfigString(name, keyType, keyLength, email, password, expireDays)
+	print(configString)
 }

pkg/config/config.go

@@ -1,3 +1,42 @@
 package config
 
 const VERSION = "0.1"
+
+const GENPARAMSTEMPLATE = `%echo Generating a OpenPGP key
+
+{{if eq .Password ""}}
+%no-protection
+{{else}}
+Passphrase: {{.Password}}
+{{end}}
+
+Key-Type: {{.KeyType}}
+Key-Length: {{.KeyLength}}
+# Key generated is a master key ("certificate")
+Key-Usage: cert
+
+# Parameters to generate subkeys
+Subkey-Type: ELG-E
+Subkey-Length: {{.KeyLength}}
+Subkey-Usage: encrypt
+
+Subkey-Type: ELG-S
+Subkey-Length: {{.KeyLength}}
+Subkey-Usage: sign
+
+Subkey-Type: ELG-A
+Subkey-Length: {{.KeyLength}}
+Subkey-Usage: auth
+
+# select a name and email address - neither has to be valid nor existing
+Name-Real: {{.Name}}
+Name-Email: {{.Email}}
+
+# Set the key to expiration (0 is never)
+Expire-Date: {{.ExpireDays}}
+
+# Do a commit here, so that we can later print "done" :-)
+%commit
+
+%echo done
+`

pkg/steps/steps.go

@@ -3,13 +3,18 @@ package steps
 import (
 	// stdlib imports
 	"bufio"
+	"bytes"
 	"fmt"
 	"os"
 	"os/exec"
 	"os/user"
+	"strconv"
 	"strings"
 
+	"text/template"
+
 	// Local imports
+	"github.com/theorlandog/easy_gpg/pkg/config"
 	"github.com/theorlandog/easy_gpg/pkg/logging"
 )
 
@@ -63,8 +68,10 @@ func WindowsCheckDependencies() int {
 	return 0
 }
 
-func CollectKeyInfo() (name string, keylength string, email string) {
+func CollectKeyInfo() (name string, keyType string, keylength string, email string, password string, expireDays int) {
 	scanner := bufio.NewScanner(os.Stdin)
+
+	// Get current user for default name
 	currentUser, err := user.Current()
 	if err != nil {
 		log.Fatalf(err.Error())
@@ -76,15 +83,73 @@ func CollectKeyInfo() (name string, keylength string, email string) {
 		// Set the default to the OS username
 		name = currentUser.Name
 	}
+
+	fmt.Println("Enter your keytype. [RSA]:")
+	scanner.Scan()
+	keyType = strings.ToUpper(strings.TrimSpace(scanner.Text()))
+	if keyType == "" {
+		// Set default keylength
+		keyType = "RSA"
+	}
+
 	fmt.Println("Enter your keylength. [4096]:")
 	scanner.Scan()
 	keylength = strings.TrimSpace(scanner.Text())
 	if keylength == "" {
 		// Set default keylength
 		keylength = "4096"
 	}
+
 	fmt.Println("Enter your email. []:")
 	scanner.Scan()
 	email = strings.TrimSpace(scanner.Text())
+
+	fmt.Println("Enter a password for you key. []:")
+	scanner.Scan()
+	password = strings.TrimSpace(scanner.Text())
+
+	fmt.Println("How many days until the master key should expire? (0 is never). [0]:")
+	scanner.Scan()
+	expireDaysText := strings.TrimSpace(scanner.Text())
+	if expireDaysText == "" {
+		expireDays = 0
+	} else {
+		expireDays, err = strconv.Atoi(expireDaysText)
+		if err != nil {
+			// ... handle error
+			log.Fatalf(err.Error())
+		}
+	}
+
+	return
+}
+
+type KeyGenConfigParams struct {
+	Name       string
+	Email      string
+	KeyType    string
+	KeyLength  string
+	Password   string
+	ExpireDays int
+}
+
+func GenerateKeyGenConfigString(name string, keyType string, keyLength string, email string, password string, expireDays int) (configstring string) {
+	var buf bytes.Buffer
+	keyGenConfigParams := KeyGenConfigParams{
+		Name:       name,
+		Email:      email,
+		KeyType:    keyType,
+		KeyLength:  keyLength,
+		Password:   password,
+		ExpireDays: expireDays,
+	}
+	configTemplate := template.New("configTemplate")
+	configTemplate = template.Must(configTemplate.Parse(config.GENPARAMSTEMPLATE))
+
+	// template.Execute writes to an io.writer object
+	configTemplate.Execute(&buf, keyGenConfigParams)
+
+	configstring = buf.String()
+
 	return
 }

pkg/utils/utils.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	// Local imports
+
 	"github.com/theorlandog/easy_gpg/pkg/logging"
 )