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5d61850457
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405
main.go
Normal file
405
main.go
Normal file
@ -0,0 +1,405 @@
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package main
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import (
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"database/sql"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"github.com/elgs/gosqljson"
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_ "github.com/lib/pq"
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_ "github.com/mattn/go-sqlite3"
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"golang.org/x/crypto/bcrypt"
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"net/http"
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"strings"
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)
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type registerStruct struct {
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Login string `json:"login"`
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Email string `json:"email"`
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Password string `json:"password"`
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}
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type loginStruct struct{
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Login string `json:"login"`
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Password string `json:"password"`
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}
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type dataStruct struct{
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TableName string `json:"tableName"`
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RowData string `json:"rowData"`
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}
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type itemCheckStruct struct{
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TableName string `json:"tableName"`
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TableRow string `json:"productName"`
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IsCheck string `json:"isCheck"`
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}
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type tableNameStruct struct{
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TableName string `json:"tableName"`
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}
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type editRowStruct struct {
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TableName string `json:"tableName"`
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TableRow string `json:"rowData"`
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NewTableRow string `json:"newRow"`
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}
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func checkPassword (username string, password string) bool{
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database, _ := sql.Open("sqlite3", "./users.db")
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result := database.QueryRow("SELECT password FROM users WHERE login=?", username)
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dbLogin := &loginStruct{}
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err := result.Scan(&dbLogin.Password)
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if err != nil {
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panic(err)
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return false
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}
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if err = bcrypt.CompareHashAndPassword([]byte(dbLogin.Password), []byte(password)); err != nil{
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return false
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} else{
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return true
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}
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}
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func register (writer http.ResponseWriter, request *http.Request) {
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register := ®isterStruct{}
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database, _ := sql.Open("sqlite3", "./users.db")
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if request.Body == nil {
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writer.WriteHeader(http.StatusBadRequest)
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fmt.Println("Empty JSON")
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return
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}
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err := json.NewDecoder(request.Body).Decode(register)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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fmt.Println("JSON Parse fail")
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return
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}
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fmt.Println(register)
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hashedPassword, err := bcrypt.GenerateFromPassword([]byte(register.Password), 8)
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if _, err = database.Exec("INSERT INTO users VALUES (?, ?, ?)",register.Login, register.Email, string(hashedPassword)); err != nil {
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writer.WriteHeader(http.StatusInternalServerError)
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return
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}
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_, _ = sql.Open("sqlite3", "./"+register.Login+".db")
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}
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func login (writer http.ResponseWriter, request *http.Request) {
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database, _ := sql.Open("sqlite3", "./users.db")
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login := &loginStruct{}
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err := json.NewDecoder(request.Body).Decode(login)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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result := database.QueryRow("SELECT password FROM users WHERE login=?", login.Login)
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dbLogin := &loginStruct{}
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err = result.Scan(&dbLogin.Password)
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if err != nil {
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if err == sql.ErrNoRows{
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writer.WriteHeader(http.StatusUnauthorized)
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return
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}
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writer.WriteHeader(http.StatusInternalServerError)
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return
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}
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if err = bcrypt.CompareHashAndPassword([]byte(dbLogin.Password), []byte(login.Password)); err != nil {
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writer.WriteHeader(http.StatusUnauthorized)
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} else{
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writer.WriteHeader(http.StatusOK)
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}
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}
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func main() {
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database, _ := sql.Open("sqlite3", "./users.db")
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statement, _ := database.Prepare("CREATE TABLE IF NOT EXISTS users (login TEXT PRIMARY KEY, email TEXT, password TEXT)")
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statement.Exec()
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http.HandleFunc("/login", login)
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http.HandleFunc("/register", register)
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http.HandleFunc("/addData", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &dataStruct{}
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err = json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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fmt.Println(data)
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_, err = database.Exec("CREATE TABLE IF NOT EXISTS " + data.TableName + " (product TEXT, isCheck TEXT)")
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if err != nil {
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panic(err)
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}
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_, err = database.Exec("INSERT INTO "+data.TableName+" VALUES (?,?)", data.RowData, "false")
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if err != nil {
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panic(err)
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}
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} else{
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/deleteData", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &dataStruct{}
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err := json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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fmt.Println(data)
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_, err = database.Exec("DELETE FROM "+data.TableName+" WHERE product = ?", data.RowData)
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if err != nil {
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panic(err)
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}
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} else {
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/updateData", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &dataStruct{}
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err := json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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_, err = database.Exec("UPDATE "+data.TableName+" SET product = ? WHERE product = ?", data.RowData, data.RowData)
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if err != nil {
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panic(err)
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}
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} else{
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/deleteTable", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &tableNameStruct{}
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err := json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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fmt.Println(data)
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_, err = database.Exec("DROP TABLE "+data.TableName)
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if err != nil{
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panic(err)
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}
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} else{
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/addTable", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &tableNameStruct{}
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err := json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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fmt.Println(data)
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_, err = database.Exec("CREATE TABLE IF NOT EXISTS " + data.TableName + " (product TEXT, isCheck TEXT)")
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if err != nil{
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panic(err)
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}
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} else{
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/getTableName", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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fmt.Println(username +":"+password)
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if checkPassword(username, password) {
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database, err = sql.Open("sqlite3", "./"+username+".db")
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if err != nil {
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writer.WriteHeader(http.StatusInternalServerError)
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return
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}
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m, _ := gosqljson.QueryDbToMapJSON(database, "lower", "SELECT name FROM sqlite_master WHERE type='table'")
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writer.Header().Set("Content-Type", "application/json")
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_, err = writer.Write([]byte(m))
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if err != nil{
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panic(err)
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}
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fmt.Println("Json send")
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fmt.Println(m)
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} else{
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/getTableRows", func(writer http.ResponseWriter, request *http.Request) {
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urlTable := strings.Split(request.URL.RawQuery,":")
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url := urlTable[0]
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tableName := urlTable[1]
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token, err := base64.StdEncoding.DecodeString(url)
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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fmt.Println(username +":"+password)
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if checkPassword(username, password) {
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database, err = sql.Open("sqlite3", "./"+username+".db")
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if err != nil {
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writer.WriteHeader(http.StatusInternalServerError)
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return
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}
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m, _ := gosqljson.QueryDbToMapJSON(database, "lower", "SELECT * FROM "+tableName)
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writer.Header().Set("Content-Type", "application/json")
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_, err = writer.Write([]byte(m))
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if err != nil{
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panic(err)
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}
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fmt.Println("Json send")
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fmt.Println(m)
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} else{
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/setItemCheck", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &itemCheckStruct{}
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err := json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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fmt.Println(data)
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_, err = database.Exec("UPDATE "+data.TableName+" SET isCheck = ? WHERE product = ?", data.IsCheck, data.TableRow)
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if err != nil {
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panic(err)
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}
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} else {
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.HandleFunc("/editData", func(writer http.ResponseWriter, request *http.Request) {
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token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
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if err != nil{
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panic(err)
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}
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decodeToken := strings.Split(string(token), ":")
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username := decodeToken[0]
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password := decodeToken[1]
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if checkPassword(username, password) {
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database, _ = sql.Open("sqlite3", "./"+username+".db")
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data := &editRowStruct{}
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err := json.NewDecoder(request.Body).Decode(data)
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if err != nil {
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writer.WriteHeader(http.StatusBadRequest)
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return
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}
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fmt.Println(data)
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_, err = database.Exec("UPDATE "+data.TableName+" SET product = ? WHERE product = ?", data.NewTableRow, data.TableRow)
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if err != nil {
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panic(err)
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}
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} else {
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writer.WriteHeader(http.StatusUnauthorized)
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}
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})
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http.ListenAndServe(":8080", nil)
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}
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