not working concept

.gitignore

@@ -0,0 +1 @@
+token/token.plaintext

decrypt_token.go

@@ -0,0 +1,29 @@
+// go:build token
+package main
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"git.niplace.ru/XoxJlopeZi4BB/paxpamir/token"
+	"io"
+	"os"
+)
+
+func Must[T any](v T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+func main() {
+	hash := sha256.Sum256(token.Password())
+	s, err := token.Decrypt(
+		string(Must(io.ReadAll(Must(os.Open("encrypted"))))),
+		hash[:],
+	)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(s)
+}

encrypt_token.go

@@ -0,0 +1,30 @@
+// go:build token
+package main
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"io"
+	"os"
+
+	"git.niplace.ru/XoxJlopeZi4BB/paxpamir/token"
+)
+
+func Must[T any](v T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+func main() {
+	hash := sha256.Sum256(token.Password())
+	s, err := token.Encrypt(
+		string(Must(io.ReadAll(Must(os.Open("token/token.plaintext"))))),
+		hash[:],
+	)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(s)
+}

encrypted

@@ -0,0 +1 @@
+IxK3LwmQb1j9TvQ8erFnXt+uX4X2u67rHdFFVnDOv6+gTwPRt6UF1DN7vXzD3gqZQPD7aHD0zh21cv1DWDerQzMiX+GHkh2jHGE=

go.mod

@@ -1,8 +1,11 @@
-module paxpamir
+module git.niplace.ru/XoxJlopeZi4BB/paxpamir
 
 go 1.23.1
 
 require (
 	git.niplace.ru/XoxJlopeZi4BB/imageutils v0.0.0-20241224134015-2709034fc322
 	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
+	golang.org/x/term v0.27.0
 )
+
+require golang.org/x/sys v0.28.0 // indirect

go.sum

@@ -2,3 +2,7 @@ git.niplace.ru/XoxJlopeZi4BB/imageutils v0.0.0-20241224134015-2709034fc322 h1:je
 git.niplace.ru/XoxJlopeZi4BB/imageutils v0.0.0-20241224134015-2709034fc322/go.mod h1:QieEgSGk9ZYISDv5XyMMktQXi/2qlTmdHuxTlt1Xfq8=
 github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc=
 github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
+golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=

market.go

@@ -1,19 +1,28 @@
-package market
+package main
 
 import (
 	"bytes"
 	"fmt"
 	"image"
-	"io"
+	_ "image/jpeg"
+	"image/png"
 	"log"
 	"math/rand"
 	"net/http"
 	"time"
 
 	"git.niplace.ru/XoxJlopeZi4BB/imageutils"
+	"git.niplace.ru/XoxJlopeZi4BB/paxpamir/token"
 	tg "github.com/go-telegram-bot-api/telegram-bot-api/v5"
 )
 
+const (
+	CardNum        = 116
+	DominanceCheck = 4
+	EventCards     = 12
+	SpecialCards   = DominanceCheck + EventCards
+)
+
 func shuffle[S ~[]E, E any](a S) {
 	rand.Seed(time.Now().UnixNano())
 	for i := len(a) - 1; i > 0; i-- {
@@ -35,7 +44,7 @@ var ShuffledCardPool []int = func(n int) []int {
 	}
 	shuffle(arr)
 	return arr
-}(116)
+}(CardNum)
 
 var RupeesOnCards []int = func() (ns []int) {
 	rand.Seed(time.Now().UnixNano())
@@ -45,8 +54,8 @@ var RupeesOnCards []int = func() (ns []int) {
 	return
 }()
 
-var LinkFormat string = "https://rally-the-troops.com/" +
-	"pax-pamir/cards/card_%d.jpg"
+var LinkFormat string = "https://rally-the-troops.com" +
+	"/pax-pamir/cards/card_%d.jpg"
 
 type Button struct {
 	Text string `json:"text"`
@@ -75,47 +84,78 @@ func Buttons(b []Button) tg.InlineKeyboardMarkup {
 	)
 }
 
+func Must[T any](v T, err error) T {
+	if err != nil {
+		log.Println("ERROR:", err)
+	}
+	return v
+}
+
+func GetImage(link string) (image.Image, error) {
+	resp, err := http.Get(link)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	img, _, err := image.Decode(resp.Body)
+	if img == nil {
+		log.Fatal("img is nil")
+	}
+	if err != nil {
+		return nil, err
+	}
+	return img, nil
+}
+
 func HandleCommand(update tg.Update, bot *tg.BotAPI) {
 	maxCost := 5
+	var err error
 	for i := 0; i <= maxCost; i++ {
-		var (
-			msg tg.PhotoConfig
-			buf *bytes.Buffer
-			img image.Image
+		var buf *bytes.Buffer
+		var img = imageutils.Concat(
+			Must(GetImage(fmt.Sprintf(LinkFormat,
+				takeOne(ShuffledCardPool)))),
+			Must(GetImage(fmt.Sprintf(LinkFormat,
+				takeOne(ShuffledCardPool)))),
+			imageutils.Right,
 		)
-
-		for j := 0; j < 2; j++ {
-			cardNum := ShuffledCardPool[0]
-			ShuffledCardPool = ShuffledCardPool[1:]
-			resp, err := http.Get(fmt.Sprintf(LinkFormat,
-				cardNum))
-			if err != nil {
-				log.Println("http GET error:", err)
-			}
-			defer resp.Body.Close()
-
-			io.Copy(buf, resp.Body)
+		if img == nil {
+			log.Fatal("pizdec")
 		}
-		msg = tg.NewPhoto(
-			update.Message.Chat.ID,
-			tg.FileBytes(buf.Bytes()),
+
+		err = png.Encode(
+			buf,
+			img,
 		)
+		if err != nil {
+			log.Println("error on decode:", err)
+		}
+
 		buttons := []Button{}
 		for j := 0; j < 2; j++ {
 			text := func() (s string) {
 				s = fmt.Sprintf("buy for %d", i)
-				if RupeesOnCard[j] >= i {
+				if RupeesOnCards[j] >= i {
 					s += fmt.Sprintf(", get 1")
 				}
 				return
 			}()
-			buttons := append(buttons, Button{Text: text})
+			buttons = append(buttons, Button{Text: text})
 		}
-		_, err := bot.Send(msg) // get response message
+
+		msg := tg.NewPhoto(
+			update.Message.Chat.ID,
+			tg.FileBytes{Name: "cards", Bytes: buf.Bytes()},
+		)
+		msg.ReplyMarkup = Buttons(buttons)
+
+		responseMsg, err := bot.Send(msg) // get response message
 		if err != nil {
 			log.Println("failed to send message on command:",
 				err)
 		}
+
 		log.Print("message sent. id:", responseMsg.MessageID)
 	}
 }
@@ -150,3 +190,18 @@ func ConsumeCallback(update tg.Update, bot *tg.BotAPI) {
 	}
 	log.Print("request sent. response:", req.Description)
 }
+
+func main() {
+	bot := Must(tg.NewBotAPI(token.Token()))
+	{
+		log.Printf("authorized on account %s", bot.Self.UserName)
+		u := tg.NewUpdate(0)
+		u.Timeout = 60
+
+		updates := bot.GetUpdatesChan(u)
+
+		for update := range updates {
+			HandleUpdate(update, bot)
+		}
+	}
+}

token/token.go

@@ -0,0 +1,90 @@
+package token
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"syscall"
+	"os"
+
+	"golang.org/x/term"
+)
+
+func Must[T any](v T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+func Token() string {
+	hash := sha256.Sum256(Password())
+	v, err := Decrypt(string(Must(io.ReadAll(Must(os.Open("encrypted"))))), hash[:])
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+func Password() []byte {
+	print("Password: ")
+	p, err := term.ReadPassword(int(syscall.Stdin))
+	if err != nil {
+		panic(err)
+	}
+	return p
+}
+
+func Encrypt(plainText string, key []byte) (string, error) {
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return "", err
+	}
+
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	nonce := make([]byte, gcm.NonceSize())
+	if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
+		return "", err
+	}
+
+	ciphertext := gcm.Seal(nonce, nonce, []byte(plainText), nil)
+	return base64.StdEncoding.EncodeToString(ciphertext), nil
+}
+
+func Decrypt(cipherText string, key []byte) (string, error) {
+	ciphertext, err := base64.StdEncoding.DecodeString(cipherText)
+	if err != nil {
+		return "", err
+	}
+
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return "", err
+	}
+
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	nonceSize := gcm.NonceSize()
+	if len(ciphertext) < nonceSize {
+		return "", fmt.Errorf("ciphertext too short")
+	}
+
+	nonce, ciphertext := ciphertext[:nonceSize], ciphertext[nonceSize:]
+	plainText, err := gcm.Open(nil, nonce, ciphertext, nil)
+	if err != nil {
+		return "", err
+	}
+
+	return string(plainText), nil
+}