feat: authenticate users and agents requests

internal/command/server/auth/create_token.go

@@ -0,0 +1,54 @@
+package auth
+
+import (
+	"fmt"
+
+	"forge.cadoles.com/Cadoles/emissary/internal/auth/user"
+	"forge.cadoles.com/Cadoles/emissary/internal/command/common"
+	"forge.cadoles.com/Cadoles/emissary/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 authentification token",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:  "role",
+				Usage: fmt.Sprintf("associate `ROLE` to the token (available: %v)", []user.Role{user.RoleReader, user.RoleWriter}),
+				Value: string(user.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.Server.PrivateKeyPath), jwk.DefaultKeySize)
+			if err != nil {
+				return errors.WithStack(err)
+			}
+
+			token, err := user.GenerateToken(ctx.Context, key, string(conf.Server.Issuer), subject, user.Role(role))
+			if err != nil {
+				return errors.WithStack(err)
+			}
+
+			fmt.Println(token)
+
+			return nil
+		},
+	}
+}

internal/command/server/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(),
+		},
+	}
+}

internal/command/server/database/migrate.go

@@ -36,8 +36,8 @@ func MigrateCommand() *cli.Command {
 				return errors.Wrap(err, "Could not load configuration")
 			}
 
-			driver := string(conf.Database.Driver)
-			dsn := string(conf.Database.DSN)
+			driver := string(conf.Server.Database.Driver)
+			dsn := string(conf.Server.Database.DSN)
 
 			migr, err := migrate.New("migrations", driver, dsn)
 			if err != nil {

internal/command/server/database/ping.go

@@ -20,10 +20,10 @@ func PingCommand() *cli.Command {
 				return errors.Wrap(err, "Could not load configuration")
 			}
 
-			logger.Info(ctx.Context, "connecting to database", logger.F("dsn", conf.Database.DSN))
+			logger.Info(ctx.Context, "connecting to database", logger.F("dsn", conf.Server.Database.DSN))
 
-			driver := string(conf.Database.Driver)
-			dsn := string(conf.Database.DSN)
+			driver := string(conf.Server.Database.Driver)
+			dsn := string(conf.Server.Database.DSN)
 
 			db, err := sql.Open(driver, dsn)
 			if err != nil {
@@ -40,7 +40,7 @@ func PingCommand() *cli.Command {
 				return errors.WithStack(err)
 			}
 
-			logger.Info(ctx.Context, "connection succeeded", logger.F("dsn", conf.Database.DSN))
+			logger.Info(ctx.Context, "connection succeeded", logger.F("dsn", conf.Server.Database.DSN))
 
 			return nil
 		},

internal/command/server/database/reset.go

@@ -18,8 +18,8 @@ func ResetCommand() *cli.Command {
 				return errors.Wrap(err, "Could not load configuration")
 			}
 
-			driver := string(conf.Database.Driver)
-			dsn := string(conf.Database.DSN)
+			driver := string(conf.Server.Database.Driver)
+			dsn := string(conf.Server.Database.DSN)
 
 			migr, err := migrate.New("migrations", driver, dsn)
 			if err != nil {

internal/command/server/root.go

@@ -2,6 +2,7 @@ package server
 
 import (
 	"forge.cadoles.com/Cadoles/emissary/internal/command/config"
+	"forge.cadoles.com/Cadoles/emissary/internal/command/server/auth"
 	"forge.cadoles.com/Cadoles/emissary/internal/command/server/database"
 	"github.com/urfave/cli/v2"
 )
@@ -14,6 +15,7 @@ func Root() *cli.Command {
 			RunCommand(),
 			database.Root(),
 			config.Root(),
+			auth.Root(),
 		},
 	}
 }

internal/command/server/run.go

@@ -29,7 +29,7 @@ func RunCommand() *cli.Command {
 			logger.SetLevel(logger.Level(conf.Logger.Level))
 
 			srv := server.New(
-				server.WithConfig(conf),
+				server.WithConfig(conf.Server),
 			)
 
 			addrs, srvErrs := srv.Start(ctx.Context)