wip 0.0.5

cmd/cli/commands/list/list.go

@@ -43,7 +43,7 @@ func (p *ListCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 			return subcommands.ExitUsageError
 		}
 
-		username, password, err := credentials.Read()
+		username, password, err := credentials.Read(f.Arg(0))
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "error: failed to read std output: %s", err)
 			return subcommands.ExitFailure

cmd/cli/commands/login/login.go

@@ -0,0 +1,60 @@
+package login
+
+import (
+	"cloudsave/cmd/cli/tools/prompt/credentials"
+	"cloudsave/pkg/remote/client"
+	"context"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/google/subcommands"
+)
+
+type (
+	LoginCmd struct {
+	}
+)
+
+func (*LoginCmd) Name() string     { return "login" }
+func (*LoginCmd) Synopsis() string { return "save IN PLAIN TEXT your credentials" }
+func (*LoginCmd) Usage() string {
+	return `Usage: cloudsave login <SERVER_HOSTNAME>
+
+Warning: this command saves the login into a plain text json file
+
+Options:
+`
+}
+
+func (p *LoginCmd) SetFlags(f *flag.FlagSet) {
+}
+
+func (p *LoginCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
+	if f.NArg() != 1 {
+		fmt.Fprintf(os.Stderr, "error: this command take 1 argument")
+		return subcommands.ExitUsageError
+	}
+
+	server := f.Arg(0)
+
+	username, password, err := credentials.Read(server)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: failed to read std output: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	cli := client.New(server, username, password)
+	if _, err := cli.Version(); err != nil {
+		fmt.Fprintf(os.Stderr, "error: failed to login: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	if err := credentials.Login(username, password, server); err != nil {
+		fmt.Fprintf(os.Stderr, "error: failed to save login: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	fmt.Println("login information saved!")
+	return subcommands.ExitSuccess
+}

cmd/cli/commands/logout/logout.go

@@ -0,0 +1,43 @@
+package logout
+
+import (
+	"cloudsave/cmd/cli/tools/prompt/credentials"
+	"context"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/google/subcommands"
+)
+
+type (
+	LogoutCmd struct {
+	}
+)
+
+func (*LogoutCmd) Name() string     { return "logout" }
+func (*LogoutCmd) Synopsis() string { return "logout from a server" }
+func (*LogoutCmd) Usage() string {
+	return `Usage: cloudsave logout <SERVER_HOSTNAME>
+
+Options:
+`
+}
+
+func (p *LogoutCmd) SetFlags(f *flag.FlagSet) {
+}
+
+func (p *LogoutCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
+	if f.NArg() != 1 {
+		fmt.Fprintf(os.Stderr, "error: this command take 1 argument")
+		return subcommands.ExitUsageError
+	}
+
+	if err := credentials.Logout(f.Arg(0)); err != nil {
+		fmt.Fprintf(os.Stderr, "error: failed to logout: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	fmt.Println("bye!")
+	return subcommands.ExitSuccess
+}

cmd/cli/commands/pull/pull.go

@@ -41,7 +41,7 @@ func (p *PullCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 	gameID := f.Arg(1)
 	path := f.Arg(2)
 
-	username, password, err := credentials.Read()
+	username, password, err := credentials.Read(url)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "error: failed to read std output: %s", err)
 		return subcommands.ExitFailure

cmd/cli/commands/sync/sync.go

@@ -284,7 +284,7 @@ func connect(remoteCred map[string]map[string]string, r remote.Remote) (*client.
 	fmt.Println()
 	fmt.Println("Connexion to", r.URL)
 	fmt.Println("============")
-	username, password, err := credentials.Read()
+	username, password, err := credentials.Read(r.URL)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read std output: %w", err)
 	}

cmd/cli/commands/version/version.go

@@ -42,7 +42,7 @@ func (p *VersionCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{
 			return subcommands.ExitUsageError
 		}
 
-		username, password, err := credentials.Read()
+		username, password, err := credentials.Read(f.Arg(0))
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "failed to read std output: %s", err)
 			return subcommands.ExitFailure

cmd/cli/main.go

@@ -4,6 +4,8 @@ import (
 	"cloudsave/cmd/cli/commands/add"
 	"cloudsave/cmd/cli/commands/apply"
 	"cloudsave/cmd/cli/commands/list"
+	"cloudsave/cmd/cli/commands/login"
+	"cloudsave/cmd/cli/commands/logout"
 	"cloudsave/cmd/cli/commands/pull"
 	"cloudsave/cmd/cli/commands/remote"
 	"cloudsave/cmd/cli/commands/remove"
@@ -56,6 +58,8 @@ func main() {
 	subcommands.Register(&remote.RemoteCmd{Service: s}, "remote")
 	subcommands.Register(&sync.SyncCmd{Service: s}, "remote")
 	subcommands.Register(&pull.PullCmd{Service: s}, "remote")
+	subcommands.Register(&login.LoginCmd{}, "remote")
+	subcommands.Register(&logout.LogoutCmd{}, "remote")
 
 	flag.Parse()
 	ctx := context.Background()

cmd/cli/tools/prompt/credentials/credentials.go

@@ -2,14 +2,48 @@ package credentials
 
 import (
 	"bufio"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"golang.org/x/term"
 )
 
-func Read() (string, string, error) {
+type (
+	credential struct {
+		Username string `json:"username"`
+		Password string `json:"password"`
+	}
+
+	credentialsStore struct {
+		Store map[string]credential `json:"store"`
+	}
+)
+
+var (
+	datastorePath string
+)
+
+func init() {
+	roaming, err := os.UserConfigDir()
+	if err != nil {
+		panic("failed to get user config path: " + err.Error())
+	}
+	datastorePath = filepath.Join(roaming, "cloudsave")
+}
+
+func Read(server string) (string, string, error) {
+	var err error
+	store, err := load()
+	if err == nil {
+		if c, ok := store[server]; ok {
+			return c.Username, c.Password, nil
+		}
+	}
+
 	fmt.Print("Enter username: ")
 	reader := bufio.NewReader(os.Stdin)
 	username, _ := reader.ReadString('\n')
@@ -24,3 +58,66 @@ func Read() (string, string, error) {
 
 	return username, string(password), nil
 }
+
+func Login(username, password, server string) error {
+	store, err := load()
+	if err != nil {
+		return err
+	}
+
+	store[server] = credential{
+		Username: username,
+		Password: password,
+	}
+
+	return save(store)
+}
+
+func Logout(server string) error {
+	store, err := load()
+	if err != nil {
+		return err
+	}
+
+	delete(store, server)
+
+	return save(store)
+}
+
+func save(store map[string]credential) error {
+	c := credentialsStore{
+		Store: store,
+	}
+
+	f, err := os.OpenFile(filepath.Join(datastorePath, "credential.json"), os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0740)
+	if err != nil {
+		return fmt.Errorf("failed to open datastore: %w", err)
+	}
+	defer f.Close()
+
+	e := json.NewEncoder(f)
+	if err := e.Encode(c); err != nil {
+		return fmt.Errorf("failed to encode data: %w", err)
+	}
+
+	return nil
+}
+
+func load() (map[string]credential, error) {
+	f, err := os.OpenFile(filepath.Join(datastorePath, "credential.json"), os.O_RDONLY, 0)
+	if err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return make(map[string]credential), nil
+		}
+		return nil, fmt.Errorf("failed to open datastore: %w", err)
+	}
+	defer f.Close()
+
+	var c credentialsStore
+	d := json.NewDecoder(f)
+	if err := d.Decode(&c); err != nil {
+		return nil, fmt.Errorf("failed to decode data: %w", err)
+	}
+
+	return c.Store, nil
+}