PracowniaProgramowania/main.go

406 lines
10 KiB
Go
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2019-01-20 10:49:00 +01:00
package main
import (
"database/sql"
"encoding/base64"
"encoding/json"
"fmt"
"github.com/elgs/gosqljson"
_ "github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
"golang.org/x/crypto/bcrypt"
"net/http"
"strings"
)
type registerStruct struct {
Login string `json:"login"`
Email string `json:"email"`
Password string `json:"password"`
}
type loginStruct struct{
Login string `json:"login"`
Password string `json:"password"`
}
type dataStruct struct{
TableName string `json:"tableName"`
RowData string `json:"rowData"`
}
type itemCheckStruct struct{
TableName string `json:"tableName"`
TableRow string `json:"productName"`
IsCheck string `json:"isCheck"`
}
type tableNameStruct struct{
TableName string `json:"tableName"`
}
type editRowStruct struct {
TableName string `json:"tableName"`
TableRow string `json:"rowData"`
NewTableRow string `json:"newRow"`
}
func checkPassword (username string, password string) bool{
database, _ := sql.Open("sqlite3", "./users.db")
result := database.QueryRow("SELECT password FROM users WHERE login=?", username)
dbLogin := &loginStruct{}
err := result.Scan(&dbLogin.Password)
if err != nil {
panic(err)
return false
}
if err = bcrypt.CompareHashAndPassword([]byte(dbLogin.Password), []byte(password)); err != nil{
return false
} else{
return true
}
}
func register (writer http.ResponseWriter, request *http.Request) {
register := &registerStruct{}
database, _ := sql.Open("sqlite3", "./users.db")
if request.Body == nil {
writer.WriteHeader(http.StatusBadRequest)
fmt.Println("Empty JSON")
return
}
err := json.NewDecoder(request.Body).Decode(register)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
fmt.Println("JSON Parse fail")
return
}
fmt.Println(register)
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(register.Password), 8)
if _, err = database.Exec("INSERT INTO users VALUES (?, ?, ?)",register.Login, register.Email, string(hashedPassword)); err != nil {
writer.WriteHeader(http.StatusInternalServerError)
return
}
_, _ = sql.Open("sqlite3", "./"+register.Login+".db")
}
func login (writer http.ResponseWriter, request *http.Request) {
database, _ := sql.Open("sqlite3", "./users.db")
login := &loginStruct{}
err := json.NewDecoder(request.Body).Decode(login)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
result := database.QueryRow("SELECT password FROM users WHERE login=?", login.Login)
dbLogin := &loginStruct{}
err = result.Scan(&dbLogin.Password)
if err != nil {
if err == sql.ErrNoRows{
writer.WriteHeader(http.StatusUnauthorized)
return
}
writer.WriteHeader(http.StatusInternalServerError)
return
}
if err = bcrypt.CompareHashAndPassword([]byte(dbLogin.Password), []byte(login.Password)); err != nil {
writer.WriteHeader(http.StatusUnauthorized)
} else{
writer.WriteHeader(http.StatusOK)
}
}
func main() {
database, _ := sql.Open("sqlite3", "./users.db")
statement, _ := database.Prepare("CREATE TABLE IF NOT EXISTS users (login TEXT PRIMARY KEY, email TEXT, password TEXT)")
statement.Exec()
http.HandleFunc("/login", login)
http.HandleFunc("/register", register)
http.HandleFunc("/addData", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &dataStruct{}
err = json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(data)
_, err = database.Exec("CREATE TABLE IF NOT EXISTS " + data.TableName + " (product TEXT, isCheck TEXT)")
if err != nil {
panic(err)
}
_, err = database.Exec("INSERT INTO "+data.TableName+" VALUES (?,?)", data.RowData, "false")
if err != nil {
panic(err)
}
} else{
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/deleteData", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &dataStruct{}
err := json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(data)
_, err = database.Exec("DELETE FROM "+data.TableName+" WHERE product = ?", data.RowData)
if err != nil {
panic(err)
}
} else {
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/updateData", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &dataStruct{}
err := json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
_, err = database.Exec("UPDATE "+data.TableName+" SET product = ? WHERE product = ?", data.RowData, data.RowData)
if err != nil {
panic(err)
}
} else{
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/deleteTable", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &tableNameStruct{}
err := json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(data)
_, err = database.Exec("DROP TABLE "+data.TableName)
if err != nil{
panic(err)
}
} else{
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/addTable", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &tableNameStruct{}
err := json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(data)
_, err = database.Exec("CREATE TABLE IF NOT EXISTS " + data.TableName + " (product TEXT, isCheck TEXT)")
if err != nil{
panic(err)
}
} else{
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/getTableName", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
fmt.Println(username +":"+password)
if checkPassword(username, password) {
database, err = sql.Open("sqlite3", "./"+username+".db")
if err != nil {
writer.WriteHeader(http.StatusInternalServerError)
return
}
m, _ := gosqljson.QueryDbToMapJSON(database, "lower", "SELECT name FROM sqlite_master WHERE type='table'")
writer.Header().Set("Content-Type", "application/json")
_, err = writer.Write([]byte(m))
if err != nil{
panic(err)
}
fmt.Println("Json send")
fmt.Println(m)
} else{
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/getTableRows", func(writer http.ResponseWriter, request *http.Request) {
urlTable := strings.Split(request.URL.RawQuery,":")
url := urlTable[0]
tableName := urlTable[1]
token, err := base64.StdEncoding.DecodeString(url)
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
fmt.Println(username +":"+password)
if checkPassword(username, password) {
database, err = sql.Open("sqlite3", "./"+username+".db")
if err != nil {
writer.WriteHeader(http.StatusInternalServerError)
return
}
m, _ := gosqljson.QueryDbToMapJSON(database, "lower", "SELECT * FROM "+tableName)
writer.Header().Set("Content-Type", "application/json")
_, err = writer.Write([]byte(m))
if err != nil{
panic(err)
}
fmt.Println("Json send")
fmt.Println(m)
} else{
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/setItemCheck", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &itemCheckStruct{}
err := json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(data)
_, err = database.Exec("UPDATE "+data.TableName+" SET isCheck = ? WHERE product = ?", data.IsCheck, data.TableRow)
if err != nil {
panic(err)
}
} else {
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.HandleFunc("/editData", func(writer http.ResponseWriter, request *http.Request) {
token, err := base64.StdEncoding.DecodeString(request.URL.RawQuery)
if err != nil{
panic(err)
}
decodeToken := strings.Split(string(token), ":")
username := decodeToken[0]
password := decodeToken[1]
if checkPassword(username, password) {
database, _ = sql.Open("sqlite3", "./"+username+".db")
data := &editRowStruct{}
err := json.NewDecoder(request.Body).Decode(data)
if err != nil {
writer.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(data)
_, err = database.Exec("UPDATE "+data.TableName+" SET product = ? WHERE product = ?", data.NewTableRow, data.TableRow)
if err != nil {
panic(err)
}
} else {
writer.WriteHeader(http.StatusUnauthorized)
}
})
http.ListenAndServe(":8080", nil)
}