go fix for 1.26

src/internal/authentication/authentication.go

@@ -1,21 +1,21 @@
 package authentication
 
 import (
-  "encoding/json"
-  "errors"
-  "io/ioutil"
-  "net/http"
-  "os"
-  "path/filepath"
+	"encoding/json"
+	"errors"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"path/filepath"
 
-  "crypto/hmac"
-  "crypto/rand"
-  "crypto/sha256"
-  "encoding/base64"
+	"crypto/hmac"
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/base64"
 
-  "time"
-  //"fmt"
-  //"log"
+	"time"
+	//"fmt"
+	//"log"
 )
 
 const tokenLength = 40
@@ -27,19 +27,19 @@ var database string
 
 var databaseFile = "authentication.json"
 
-var data = make(map[string]interface{})
-var tokens = make(map[string]interface{})
+var data = make(map[string]any)
+var tokens = make(map[string]any)
 
 var initAuthentication = false
 
 // Cookie : cookie
 type Cookie struct {
-  Name       string
-  Value      string
-  Path       string
-  Domain     string
-  Expires    time.Time
-  RawExpires string
+	Name       string
+	Value      string
+	Path       string
+	Domain     string
+	Expires    time.Time
+	RawExpires string
 }
 
 // Framework examples
@@ -128,465 +128,465 @@ func main() {
 
 // Init : databasePath = Path to authentication.json
 func Init(databasePath string, validity int) (err error) {
-  database = filepath.Dir(databasePath) + string(os.PathSeparator) + databaseFile
+	database = filepath.Dir(databasePath) + string(os.PathSeparator) + databaseFile
 
-  // Check if the database already exists
-  if _, err = os.Stat(database); os.IsNotExist(err) {
-    // Create an empty database
-    var defaults = make(map[string]interface{})
-    defaults["dbVersion"] = "1.0"
-    defaults["hash"] = "sha256"
-    defaults["users"] = make(map[string]interface{})
+	// Check if the database already exists
+	if _, err = os.Stat(database); os.IsNotExist(err) {
+		// Create an empty database
+		var defaults = make(map[string]any)
+		defaults["dbVersion"] = "1.0"
+		defaults["hash"] = "sha256"
+		defaults["users"] = make(map[string]any)
 
-    if saveDatabase(defaults) != nil {
-      return
-    }
-  }
+		if saveDatabase(defaults) != nil {
+			return
+		}
+	}
 
-  // Loading the database
-  err = loadDatabase()
+	// Loading the database
+	err = loadDatabase()
 
-  // Set Token Validity
-  tokenValidity = validity
-  initAuthentication = true
-  return
+	// Set Token Validity
+	tokenValidity = validity
+	initAuthentication = true
+	return
 }
 
 // CreateDefaultUser = created efault user
 func CreateDefaultUser(username, password string) (err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  var users = data["users"].(map[string]interface{})
-  // Check if the default user exists
-  if len(users) > 0 {
-    err = createError(001)
-    return
-  }
+	var users = data["users"].(map[string]any)
+	// Check if the default user exists
+	if len(users) > 0 {
+		err = createError(001)
+		return
+	}
 
-  var defaults = defaultsForNewUser(username, password)
-  users[defaults["_id"].(string)] = defaults
-  saveDatabase(data)
+	var defaults = defaultsForNewUser(username, password)
+	users[defaults["_id"].(string)] = defaults
+	saveDatabase(data)
 
-  return
+	return
 }
 
 // CreateNewUser : create new user
 func CreateNewUser(username, password string) (userID string, err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  var checkIfTheUserAlreadyExists = func(username string, userData map[string]interface{}) (err error) {
-    var salt = userData["_salt"].(string)
-    var loginUsername = userData["_username"].(string)
+	var checkIfTheUserAlreadyExists = func(username string, userData map[string]any) (err error) {
+		var salt = userData["_salt"].(string)
+		var loginUsername = userData["_username"].(string)
 
-    if SHA256(username, salt) == loginUsername {
-      err = createError(020)
-    }
+		if SHA256(username, salt) == loginUsername {
+			err = createError(020)
+		}
 
-    return
-  }
+		return
+	}
 
-  var users = data["users"].(map[string]interface{})
-  for _, userData := range users {
-    err = checkIfTheUserAlreadyExists(username, userData.(map[string]interface{}))
-    if err != nil {
-      return
-    }
-  }
+	var users = data["users"].(map[string]any)
+	for _, userData := range users {
+		err = checkIfTheUserAlreadyExists(username, userData.(map[string]any))
+		if err != nil {
+			return
+		}
+	}
 
-  var defaults = defaultsForNewUser(username, password)
-  userID = defaults["_id"].(string)
-  users[userID] = defaults
+	var defaults = defaultsForNewUser(username, password)
+	userID = defaults["_id"].(string)
+	users[userID] = defaults
 
-  saveDatabase(data)
+	saveDatabase(data)
 
-  return
+	return
 }
 
 // UserAuthentication : user authentication
 func UserAuthentication(username, password string) (token string, err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  var login = func(username, password string, loginData map[string]interface{}) (err error) {
-    err = createError(010)
+	var login = func(username, password string, loginData map[string]any) (err error) {
+		err = createError(010)
 
-    var salt = loginData["_salt"].(string)
-    var loginUsername = loginData["_username"].(string)
-    var loginPassword = loginData["_password"].(string)
+		var salt = loginData["_salt"].(string)
+		var loginUsername = loginData["_username"].(string)
+		var loginPassword = loginData["_password"].(string)
 
-    if SHA256(username, salt) == loginUsername {
-      if SHA256(password, salt) == loginPassword {
-        err = nil
-      }
-    }
+		if SHA256(username, salt) == loginUsername {
+			if SHA256(password, salt) == loginPassword {
+				err = nil
+			}
+		}
 
-    return
-  }
+		return
+	}
 
-  var users = data["users"].(map[string]interface{})
-  for id, loginData := range users {
-    err = login(username, password, loginData.(map[string]interface{}))
-    if err == nil {
-      token = setToken(id, "-")
-      return
-    }
-  }
+	var users = data["users"].(map[string]any)
+	for id, loginData := range users {
+		err = login(username, password, loginData.(map[string]any))
+		if err == nil {
+			token = setToken(id, "-")
+			return
+		}
+	}
 
-  return
+	return
 }
 
 // CheckTheValidityOfTheToken : check token
 func CheckTheValidityOfTheToken(token string) (newToken string, err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  err = createError(011)
+	err = createError(011)
 
-  if v, ok := tokens[token]; ok {
-    var expires = v.(map[string]interface{})["expires"].(time.Time)
-    var userID = v.(map[string]interface{})["id"].(string)
+	if v, ok := tokens[token]; ok {
+		var expires = v.(map[string]any)["expires"].(time.Time)
+		var userID = v.(map[string]any)["id"].(string)
 
-    if expires.Sub(time.Now().Local()) < 0 {
-      return
-    }
+		if expires.Sub(time.Now().Local()) < 0 {
+			return
+		}
 
-    newToken = setToken(userID, token)
+		newToken = setToken(userID, token)
 
-    err = nil
+		err = nil
 
-  } else {
-    return
-  }
+	} else {
+		return
+	}
 
-  return
+	return
 }
 
 // GetUserID : get user ID
 func GetUserID(token string) (userID string, err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  err = createError(002)
+	err = createError(002)
 
-  if v, ok := tokens[token]; ok {
-    var expires = v.(map[string]interface{})["expires"].(time.Time)
-    userID = v.(map[string]interface{})["id"].(string)
+	if v, ok := tokens[token]; ok {
+		var expires = v.(map[string]any)["expires"].(time.Time)
+		userID = v.(map[string]any)["id"].(string)
 
-    if expires.Sub(time.Now().Local()) < 0 {
-      return
-    }
+		if expires.Sub(time.Now().Local()) < 0 {
+			return
+		}
 
-    err = nil
-  }
+		err = nil
+	}
 
-  return
+	return
 }
 
 // WriteUserData : save user date
-func WriteUserData(userID string, userData map[string]interface{}) (err error) {
+func WriteUserData(userID string, userData map[string]any) (err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  err = createError(030)
+	err = createError(030)
 
-  if v, ok := data["users"].(map[string]interface{})[userID].(map[string]interface{}); ok {
+	if v, ok := data["users"].(map[string]any)[userID].(map[string]any); ok {
 
-    v["data"] = userData
-    err = saveDatabase(data)
+		v["data"] = userData
+		err = saveDatabase(data)
 
-  } else {
-    return
-  }
+	} else {
+		return
+	}
 
-  return
+	return
 }
 
 // ReadUserData : load user date
-func ReadUserData(userID string) (userData map[string]interface{}, err error) {
+func ReadUserData(userID string) (userData map[string]any, err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  err = createError(031)
+	err = createError(031)
 
-  if v, ok := data["users"].(map[string]interface{})[userID].(map[string]interface{}); ok {
-    userData = v["data"].(map[string]interface{})
-    err = nil
+	if v, ok := data["users"].(map[string]any)[userID].(map[string]any); ok {
+		userData = v["data"].(map[string]any)
+		err = nil
 
-    return
-  }
+		return
+	}
 
-  return
+	return
 }
 
 // RemoveUser : remove user
 func RemoveUser(userID string) (err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  err = createError(032)
+	err = createError(032)
 
-  if _, ok := data["users"].(map[string]interface{})[userID]; ok {
+	if _, ok := data["users"].(map[string]any)[userID]; ok {
 
-    delete(data["users"].(map[string]interface{}), userID)
-    err = saveDatabase(data)
+		delete(data["users"].(map[string]any), userID)
+		err = saveDatabase(data)
 
-    return
-  }
+		return
+	}
 
-  return
+	return
 }
 
 // SetDefaultUserData : set default user data
-func SetDefaultUserData(defaults map[string]interface{}) (err error) {
+func SetDefaultUserData(defaults map[string]any) (err error) {
 
-  allUserData, err := GetAllUserData()
+	allUserData, err := GetAllUserData()
 
-  for _, d := range allUserData {
-    var data = d.(map[string]interface{})["data"].(map[string]interface{})
-    var userID = d.(map[string]interface{})["_id"].(string)
+	for _, d := range allUserData {
+		var data = d.(map[string]any)["data"].(map[string]any)
+		var userID = d.(map[string]any)["_id"].(string)
 
-    for k, v := range defaults {
-      if _, ok := data[k]; ok {
-        // Key exist
-      } else {
-        data[k] = v
-      }
-    }
-    err = WriteUserData(userID, data)
-  }
-  return
+		for k, v := range defaults {
+			if _, ok := data[k]; ok {
+				// Key exist
+			} else {
+				data[k] = v
+			}
+		}
+		err = WriteUserData(userID, data)
+	}
+	return
 }
 
 // ChangeCredentials : change credentials
 func ChangeCredentials(userID, username, password string) (err error) {
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  err = createError(032)
+	err = createError(032)
 
-  if userData, ok := data["users"].(map[string]interface{})[userID]; ok {
-    //var userData = tmp.(map[string]interface{})
-    var salt = userData.(map[string]interface{})["_salt"].(string)
+	if userData, ok := data["users"].(map[string]any)[userID]; ok {
+		//var userData = tmp.(map[string]interface{})
+		var salt = userData.(map[string]any)["_salt"].(string)
 
-    if len(username) > 0 {
-      userData.(map[string]interface{})["_username"] = SHA256(username, salt)
-    }
+		if len(username) > 0 {
+			userData.(map[string]any)["_username"] = SHA256(username, salt)
+		}
 
-    if len(password) > 0 {
-      userData.(map[string]interface{})["_password"] = SHA256(password, salt)
-    }
+		if len(password) > 0 {
+			userData.(map[string]any)["_password"] = SHA256(password, salt)
+		}
 
-    err = saveDatabase(data)
-  }
+		err = saveDatabase(data)
+	}
 
-  return
+	return
 }
 
 // GetAllUserData : get all user data
-func GetAllUserData() (allUserData map[string]interface{}, err error) {
+func GetAllUserData() (allUserData map[string]any, err error) {
 
-  err = checkInit()
-  if err != nil {
-    return
-  }
+	err = checkInit()
+	if err != nil {
+		return
+	}
 
-  if len(data) == 0 {
-    var defaults = make(map[string]interface{})
-    defaults["dbVersion"] = "1.0"
-    defaults["hash"] = "sha256"
-    defaults["users"] = make(map[string]interface{})
-    saveDatabase(defaults)
-    data = defaults
-  }
+	if len(data) == 0 {
+		var defaults = make(map[string]any)
+		defaults["dbVersion"] = "1.0"
+		defaults["hash"] = "sha256"
+		defaults["users"] = make(map[string]any)
+		saveDatabase(defaults)
+		data = defaults
+	}
 
-  allUserData = data["users"].(map[string]interface{})
-  return
+	allUserData = data["users"].(map[string]any)
+	return
 }
 
 // CheckTheValidityOfTheTokenFromHTTPHeader : get token from HTTP header
 func CheckTheValidityOfTheTokenFromHTTPHeader(w http.ResponseWriter, r *http.Request) (writer http.ResponseWriter, newToken string, err error) {
-  err = createError(011)
-  for _, cookie := range r.Cookies() {
-    if cookie.Name == "Token" {
-      var token string
-      token, err = CheckTheValidityOfTheToken(cookie.Value)
-      //fmt.Println("T", token, err)
-      writer = SetCookieToken(w, token)
-      newToken = token
-    }
-  }
-  //fmt.Println(err)
-  return
+	err = createError(011)
+	for _, cookie := range r.Cookies() {
+		if cookie.Name == "Token" {
+			var token string
+			token, err = CheckTheValidityOfTheToken(cookie.Value)
+			//fmt.Println("T", token, err)
+			writer = SetCookieToken(w, token)
+			newToken = token
+		}
+	}
+	//fmt.Println(err)
+	return
 }
 
 // Framework tools
 
 func checkInit() (err error) {
-  if initAuthentication == false {
-    err = createError(000)
-  }
+	if initAuthentication == false {
+		err = createError(000)
+	}
 
-  return
+	return
 }
 
-func saveDatabase(tmpMap interface{}) (err error) {
+func saveDatabase(tmpMap any) (err error) {
 
-  jsonString, err := json.MarshalIndent(tmpMap, "", "  ")
+	jsonString, err := json.MarshalIndent(tmpMap, "", "  ")
 
-  if err != nil {
-    return
-  }
+	if err != nil {
+		return
+	}
 
-  err = ioutil.WriteFile(database, []byte(jsonString), 0600)
-  if err != nil {
-    return
-  }
+	err = ioutil.WriteFile(database, []byte(jsonString), 0600)
+	if err != nil {
+		return
+	}
 
-  return
+	return
 }
 
 func loadDatabase() (err error) {
-  jsonString, err := ioutil.ReadFile(database)
-  if err != nil {
-    return
-  }
+	jsonString, err := ioutil.ReadFile(database)
+	if err != nil {
+		return
+	}
 
-  err = json.Unmarshal([]byte(jsonString), &data)
-  if err != nil {
-    return
-  }
+	err = json.Unmarshal([]byte(jsonString), &data)
+	if err != nil {
+		return
+	}
 
-  return
+	return
 }
 
 // SHA256 : password + salt = sha256 string
 func SHA256(secret, salt string) string {
-  key := []byte(secret)
-  h := hmac.New(sha256.New, key)
-  h.Write([]byte("_remote_db"))
-  return base64.StdEncoding.EncodeToString(h.Sum(nil))
+	key := []byte(secret)
+	h := hmac.New(sha256.New, key)
+	h.Write([]byte("_remote_db"))
+	return base64.StdEncoding.EncodeToString(h.Sum(nil))
 }
 
 func randomString(n int) string {
-  const alphanum = "-AbCdEfGhIjKlMnOpQrStUvWxYz0123456789aBcDeFgHiJkLmNoPqRsTuVwXyZ_"
+	const alphanum = "-AbCdEfGhIjKlMnOpQrStUvWxYz0123456789aBcDeFgHiJkLmNoPqRsTuVwXyZ_"
 
-  var bytes = make([]byte, n)
-  rand.Read(bytes)
-  for i, b := range bytes {
-    bytes[i] = alphanum[b%byte(len(alphanum))]
-  }
-  return string(bytes)
+	var bytes = make([]byte, n)
+	rand.Read(bytes)
+	for i, b := range bytes {
+		bytes[i] = alphanum[b%byte(len(alphanum))]
+	}
+	return string(bytes)
 }
 
 func randomID(n int) string {
-  const alphanum = "ABCDEFGHJKLMNOPQRSTUVWXYZ0123456789"
+	const alphanum = "ABCDEFGHJKLMNOPQRSTUVWXYZ0123456789"
 
-  var bytes = make([]byte, n)
-  rand.Read(bytes)
-  for i, b := range bytes {
-    bytes[i] = alphanum[b%byte(len(alphanum))]
-  }
-  return string(bytes)
+	var bytes = make([]byte, n)
+	rand.Read(bytes)
+	for i, b := range bytes {
+		bytes[i] = alphanum[b%byte(len(alphanum))]
+	}
+	return string(bytes)
 }
 
 func createError(errCode int) (err error) {
-  var errMsg string
-  switch errCode {
-  case 000:
-    errMsg = "Authentication has not yet been initialized"
-  case 001:
-    errMsg = "Default user already exists"
-  case 002:
-    errMsg = "No user id found for this token"
-  case 010:
-    errMsg = "User authentication failed"
-  case 011:
-    errMsg = "Session has expired"
-  case 020:
-    errMsg = "User already exists"
-  case 030:
-    errMsg = "User data could not be saved"
-  case 031:
-    errMsg = "User data could not be read"
-  case 032:
-    errMsg = "User ID was not found"
-  }
+	var errMsg string
+	switch errCode {
+	case 000:
+		errMsg = "Authentication has not yet been initialized"
+	case 001:
+		errMsg = "Default user already exists"
+	case 002:
+		errMsg = "No user id found for this token"
+	case 010:
+		errMsg = "User authentication failed"
+	case 011:
+		errMsg = "Session has expired"
+	case 020:
+		errMsg = "User already exists"
+	case 030:
+		errMsg = "User data could not be saved"
+	case 031:
+		errMsg = "User data could not be read"
+	case 032:
+		errMsg = "User ID was not found"
+	}
 
-  err = errors.New(errMsg)
-  return
+	err = errors.New(errMsg)
+	return
 }
 
-func defaultsForNewUser(username, password string) map[string]interface{} {
-  var defaults = make(map[string]interface{})
-  var salt = randomString(saltLength)
-  defaults["_username"] = SHA256(username, salt)
-  defaults["_password"] = SHA256(password, salt)
-  defaults["_salt"] = salt
-  defaults["_id"] = "id-" + randomID(idLength)
-  //defaults["_one.time.token"] = randomString(tokenLength)
-  defaults["data"] = make(map[string]interface{})
+func defaultsForNewUser(username, password string) map[string]any {
+	var defaults = make(map[string]any)
+	var salt = randomString(saltLength)
+	defaults["_username"] = SHA256(username, salt)
+	defaults["_password"] = SHA256(password, salt)
+	defaults["_salt"] = salt
+	defaults["_id"] = "id-" + randomID(idLength)
+	//defaults["_one.time.token"] = randomString(tokenLength)
+	defaults["data"] = make(map[string]any)
 
-  return defaults
+	return defaults
 }
 
 func setToken(id, oldToken string) (newToken string) {
-  delete(tokens, oldToken)
+	delete(tokens, oldToken)
 
 loopToken:
-  newToken = randomString(tokenLength)
-  if _, ok := tokens[newToken]; ok {
-    goto loopToken
-  }
+	newToken = randomString(tokenLength)
+	if _, ok := tokens[newToken]; ok {
+		goto loopToken
+	}
 
-  var tmp = make(map[string]interface{})
-  tmp["id"] = id
-  tmp["expires"] = time.Now().Local().Add(time.Minute * time.Duration(tokenValidity))
+	var tmp = make(map[string]any)
+	tmp["id"] = id
+	tmp["expires"] = time.Now().Local().Add(time.Minute * time.Duration(tokenValidity))
 
-  tokens[newToken] = tmp
+	tokens[newToken] = tmp
 
-  return
+	return
 }
 
-func mapToJSON(tmpMap interface{}) string {
-  jsonString, err := json.MarshalIndent(tmpMap, "", "  ")
-  if err != nil {
-    return "{}"
-  }
-  return string(jsonString)
+func mapToJSON(tmpMap any) string {
+	jsonString, err := json.MarshalIndent(tmpMap, "", "  ")
+	if err != nil {
+		return "{}"
+	}
+	return string(jsonString)
 }
 
 // SetCookieToken : set cookie
 func SetCookieToken(w http.ResponseWriter, token string) http.ResponseWriter {
-  expiration := time.Now().Add(time.Minute * time.Duration(tokenValidity))
-  cookie := http.Cookie{Name: "Token", Value: token, Expires: expiration}
-  http.SetCookie(w, &cookie)
-  return w
+	expiration := time.Now().Add(time.Minute * time.Duration(tokenValidity))
+	cookie := http.Cookie{Name: "Token", Value: token, Expires: expiration}
+	http.SetCookie(w, &cookie)
+	return w
 }