delete hidden directory

.gitignore

@@ -1,2 +1,4 @@
 go-demo/app-1
 go-demo-4/data.json
+go-demo-4/.env*
+go-demo-4/*.vault

go-demo-4/account/vault.go

@@ -2,9 +2,12 @@ package account
 
 import (
 	"encoding/json"
+	"password/encrypter"
 	"password/output"
 	"strings"
 	"time"
+
+	"github.com/fatih/color"
 )
 
 type ByteReader interface {
@@ -28,10 +31,11 @@ type Vault struct {
 
 type VaultWithDb struct {
 	Vault
-	db Db
+	db  Db
+	enc encrypter.Encrypter
 }
 
-func NewVault(db Db) *VaultWithDb {
+func NewVault(db Db, enc encrypter.Encrypter) *VaultWithDb {
 	file, err := db.Read()
 	if err != nil {
 		return &VaultWithDb{
@@ -39,11 +43,14 @@ func NewVault(db Db) *VaultWithDb {
 				Accounts:  []Account{},
 				UpdatedAt: time.Now(),
 			},
-			db: db,
+			db:  db,
+			enc: enc,
 		}
 	}
+	data := enc.Decrypt(file)
 	var vault Vault
-	err = json.Unmarshal(file, &vault)
+	err = json.Unmarshal(data, &vault)
+	color.Cyan("Найдено аккаунтов - %d", len(vault.Accounts))
 	if err != nil {
 		output.PrintError("Не удалось разобрать файл data.json")
 		return &VaultWithDb{
@@ -51,12 +58,14 @@ func NewVault(db Db) *VaultWithDb {
 				Accounts:  []Account{},
 				UpdatedAt: time.Now(),
 			},
-			db: db,
+			db:  db,
+			enc: enc,
 		}
 	}
 	return &VaultWithDb{
 		Vault: vault,
 		db:    db,
+		enc:   enc,
 	}
 }
 
@@ -103,8 +112,9 @@ func (vault *VaultWithDb) DeleteAccountByUrl(url string) bool {
 func (vault *VaultWithDb) save() {
 	vault.UpdatedAt = time.Now()
 	data, err := vault.Vault.ToBytes()
+	encData := vault.enc.Encrypt(data)
 	if err != nil {
 		output.PrintError("Не удалось преобразовать")
 	}
-	vault.db.Write(data)
+	vault.db.Write(encData)
 }

go-demo-4/encrypter/encrypter.go

@@ -0,0 +1,58 @@
+package encrypter
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/rand"
+	"io"
+	"os"
+)
+
+type Encrypter struct {
+	Key string
+}
+
+func NewEncrypter() *Encrypter {
+	key := os.Getenv("KEY")
+	if key == "" {
+		panic("Не передан параметр KEY в переменные окружения")
+	}
+	return &Encrypter{
+		Key: key,
+	}
+}
+
+func (enc *Encrypter) Encrypt(plainStr []byte) []byte {
+	block, err := aes.NewCipher([]byte(enc.Key))
+	if err != nil {
+		panic(err.Error())
+	}
+	aesGCM, err := cipher.NewGCM(block)
+	if err != nil {
+		panic(err.Error())
+	}
+	nonce := make([]byte, aesGCM.NonceSize())
+	_, err = io.ReadFull(rand.Reader, nonce)
+	if err != nil {
+		panic(err.Error())
+	}
+	return aesGCM.Seal(nonce, nonce, plainStr, nil)
+}
+
+func (enc *Encrypter) Decrypt(encryptedStr []byte) []byte {
+	block, err := aes.NewCipher([]byte(enc.Key))
+	if err != nil {
+		panic(err.Error())
+	}
+	aesGCM, err := cipher.NewGCM(block)
+	if err != nil {
+		panic(err.Error())
+	}
+	nonceSize := aesGCM.NonceSize()
+	nonce, cipherText := encryptedStr[:nonceSize], encryptedStr[nonceSize:]
+	plainText, err := aesGCM.Open(nil, nonce, cipherText, nil)
+	if err != nil {
+		panic(err.Error())
+	}
+	return plainText
+}

go-demo-4/go.mod

@@ -2,7 +2,10 @@ module password
 
 go 1.23.6
 
-require github.com/fatih/color v1.18.0
+require (
+	github.com/fatih/color v1.18.0
+	github.com/joho/godotenv v1.5.1
+)
 
 require (
 	github.com/mattn/go-colorable v0.1.13 // indirect

go-demo-4/go.sum

@@ -1,5 +1,7 @@
 github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
 github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=

go-demo-4/main.go

@@ -3,11 +3,13 @@ package main
 import (
 	"fmt"
 	"password/account"
+	"password/encrypter"
 	"password/files"
 	"password/output"
 	"strings"
 
 	"github.com/fatih/color"
+	"github.com/joho/godotenv"
 )
 
 var menu = map[string]func(*account.VaultWithDb){
@@ -26,21 +28,26 @@ var menuVariants = []string{
 	"Выберите вариант",
 }
 
-func menuCounter() func() {
-	i := 0
-	return func() {
-		i++
-		fmt.Println("Вызов:", i)
-	}
-}
+// func menuCounter() func() {
+// 	i := 0
+// 	return func() {
+// 		i++
+// 		fmt.Println("Вызов:", i)
+// 	}
+// }
 
 func main() {
 	color.Blue("__Менеджер паролей__")
-	vault := account.NewVault(files.NewJsonDb("data.json"))
-	counter := menuCounter()
+	// Load env file
+	err := godotenv.Load()
+	if err != nil {
+		output.PrintError("Не удалось найти файл .env")
+	}
+	vault := account.NewVault(files.NewJsonDb("data.vault"), *encrypter.NewEncrypter())
+	// counter := menuCounter()
 Menu:
 	for {
-		counter()
+		// counter()
 		variant := PromptData(menuVariants...)
 		menuFunc := menu[variant]
 		if menuFunc == nil {

go-demo-5/geo/geo.go

@@ -0,0 +1,34 @@
+package geo
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+)
+
+type GeoData struct {
+	City string `json:"city"`
+}
+
+func GetMyLocation(city string) (*GeoData, error) {
+	if city != "" {
+		return &GeoData{
+			City: city,
+		}, nil
+	}
+	resp, err := http.Get("https://ipapi.co/json/")
+	if err != nil {
+		return nil, err
+	}
+	if resp.StatusCode != 200 {
+		return nil, errors.New("NOT200")
+	}
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+	var geo GeoData
+	json.Unmarshal(body, &geo)
+	return &geo, nil
+}

go-demo-5/go.mod

@@ -0,0 +1,11 @@
+module demo/weather
+
+go 1.24.1
+
+require github.com/fatih/color v1.18.0
+
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	golang.org/x/sys v0.25.0 // indirect
+)

go-demo-5/go.sum

@@ -0,0 +1,11 @@
+github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
+github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

go-demo-5/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"demo/weather/geo"
+	"demo/weather/weather"
+	"flag"
+	"fmt"
+
+	"github.com/fatih/color"
+)
+
+func main() {
+	color.Green("__ПОГОДА__")
+	city := flag.String("city", "", "Город пользователя")
+	format := flag.Int("format", 1, "Формат вывода погоды")
+
+	flag.Parse()
+
+	fmt.Printf("Город: %s\n", *city)
+	geoData, err := geo.GetMyLocation(*city)
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+	// fmt.Println(*geoData)
+	weatherData := weather.GetWeather(*geoData, *format)
+	fmt.Println(weatherData)
+}

go-demo-5/weather/weather.go

@@ -0,0 +1,31 @@
+package weather
+
+import (
+	"demo/weather/geo"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+func GetWeather(geo geo.GeoData, format int) string {
+	baseUrl, err := url.Parse("https://wttr.in/" + geo.City)
+	if err != nil {
+		fmt.Println(err.Error())
+		return ""
+	}
+	params := url.Values{}
+	params.Add("format", fmt.Sprint(format))
+	baseUrl.RawQuery = params.Encode()
+	resp, err := http.Get(baseUrl.String())
+	if err != nil {
+		fmt.Println(err.Error())
+		return ""
+	}
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println(err.Error())
+		return ""
+	}
+	return string(body)
+}