Implement AuthorizedPrincipals command181-authorized-principals-check-go

Build this command when `Executable` name is
`gitlab-shell-authorized-principals-check`. Feature flag is the
same name.

1 files changed, 50 insertions, 0 deletions

diff --git a/go/internal/command/commandargs/authorized_principals.go b/go/internal/command/commandargs/authorized_principals.go
new file mode 100644
index 0000000..746ae3f
--- /dev/null
+++ b/go/internal/command/commandargs/authorized_principals.go
@@ -0,0 +1,50 @@
+package commandargs
+
+import (
+	"errors"
+	"fmt"
+)
+
+type AuthorizedPrincipals struct {
+	Arguments  []string
+	KeyId      string
+	Principals []string
+}
+
+func (ap *AuthorizedPrincipals) Parse() error {
+	if err := ap.validate(); err != nil {
+		return err
+	}
+
+	ap.KeyId = ap.Arguments[0]
+	ap.Principals = ap.Arguments[1:]
+
+	return nil
+}
+
+func (ap *AuthorizedPrincipals) GetArguments() []string {
+	return ap.Arguments
+}
+
+func (ap *AuthorizedPrincipals) validate() error {
+	argsSize := len(ap.Arguments)
+
+	if argsSize < 2 {
+		return errors.New(fmt.Sprintf("# Insufficient arguments. %d. Usage\n#\tgitlab-shell-authorized-principals-check <key-id> <principal1> [<principal2>...]", argsSize))
+	}
+
+	keyId := ap.Arguments[0]
+	principals := ap.Arguments[1:]
+
+	if keyId == "" {
+		return errors.New("# No key_id provided")
+	}
+
+	for _, principal := range principals {
+		if principal == "" {
+			return errors.New("# An invalid principal was provided")
+		}
+	}
+
+	return nil
+}