feat: initial commit

internal/command/auth/create_token.go

@@ -0,0 +1,54 @@
+package auth
+
+import (
+	"fmt"
+
+	"forge.cadoles.com/cadoles/bouncer/internal/auth/jwt"
+	"forge.cadoles.com/cadoles/bouncer/internal/command/common"
+	"forge.cadoles.com/cadoles/bouncer/internal/jwk"
+	"github.com/lithammer/shortuuid/v4"
+	"github.com/pkg/errors"
+	"github.com/urfave/cli/v2"
+)
+
+func CreateTokenCommand() *cli.Command {
+	return &cli.Command{
+		Name:  "create-token",
+		Usage: "Create a new authentication token",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:  "role",
+				Usage: fmt.Sprintf("associate `ROLE` to the token (available: %v)", []jwt.Role{jwt.RoleReader, jwt.RoleWriter}),
+				Value: string(jwt.RoleReader),
+			},
+			&cli.StringFlag{
+				Name:  "subject",
+				Usage: "associate `SUBJECT` to the token",
+				Value: fmt.Sprintf("user-%s", shortuuid.New()),
+			},
+		},
+		Action: func(ctx *cli.Context) error {
+			conf, err := common.LoadConfig(ctx)
+			if err != nil {
+				return errors.Wrap(err, "Could not load configuration")
+			}
+
+			subject := ctx.String("subject")
+			role := ctx.String("role")
+
+			key, err := jwk.LoadOrGenerate(string(conf.Admin.Auth.PrivateKey), jwk.DefaultKeySize)
+			if err != nil {
+				return errors.WithStack(err)
+			}
+
+			token, err := jwt.GenerateToken(ctx.Context, key, string(conf.Admin.Auth.Issuer), subject, jwt.Role(role))
+			if err != nil {
+				return errors.WithStack(err)
+			}
+
+			fmt.Println(token)
+
+			return nil
+		},
+	}
+}

internal/command/auth/root.go

@@ -0,0 +1,15 @@
+package auth
+
+import (
+	"github.com/urfave/cli/v2"
+)
+
+func Root() *cli.Command {
+	return &cli.Command{
+		Name:  "auth",
+		Usage: "Authentication related commands",
+		Subcommands: []*cli.Command{
+			CreateTokenCommand(),
+		},
+	}
+}