add proxy server for dynamic api endpoint handling and auth

proxy/db.go

@@ -0,0 +1,100 @@
+package main
+
+import (
+	"database/sql"
+	"log"
+	"time"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+type User struct {
+	UserID    int
+	Name      string
+	AvatarUrl string
+	EndPoint  string
+	Token
+}
+
+type Token struct {
+	AuthToken    string
+	RefreshToken string
+	ExpireDate   time.Time
+}
+
+var db *sql.DB
+
+func InitDB() {
+	var err error
+	db, err = sql.Open("sqlite3", "database.db")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	//users
+	u := `
+	CREATE TABLE IF NOT EXISTS users (
+		id INTEGER PRIMARY KEY NOT NULL,
+		name TEXT NOT NULL,
+		endpoint TEXT,
+		avatar_url TEXT,
+		auth_token TEXT,
+		refresh_token TEXT,
+		expire_date TEXT
+	);`
+
+	_, err = db.Exec(u)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	//cookiejar
+	a := `
+	CREATE TABLE IF NOT EXISTS cookiejar (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		user_id INTEGER,
+		cookie TEXT NOT NULL,
+		FOREIGN KEY(user_id) REFERENCES users(id) On DELETE CASCADE
+	);`
+
+	_, err = db.Exec(a)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+}
+
+func GetUserByCookie(cookie string) (*User, error) {
+	query := `
+	SELECT users.id, users.name, users.endpoint, users.avatar_url, users.auth_token, users.refresh_token, users.expire_date
+	FROM users users
+	JOIN cookiejar cookie ON users.id = cookie.user_id
+	WHERE cookie.cookie = ?`
+	row := db.QueryRow(query, cookie)
+
+	var user User
+	err := row.Scan(&user.UserID, &user.Name, &user.EndPoint, &user.AvatarUrl, &user.AuthToken, &user.RefreshToken, &user.ExpireDate)
+	if err != nil {
+		return &User{}, err
+	}
+
+	return &user, nil
+}
+
+func SaveCookie(userID int, cookie string) error {
+	query := "INSERT INTO cookiejar (user_id, cookie) VALUES (?, ?)"
+	_, err := db.Exec(query, userID, cookie)
+	return err
+}
+
+func UpdateUserTokens(userID int, auth Token) error {
+	query := "UPDATE users SET auth_token = ?, refresh_token = ?, expire_date = ? WHERE id = ?"
+	_, err := db.Exec(query, auth.AuthToken, auth.RefreshToken, auth.ExpireDate, userID)
+	return err
+}
+
+func UpdateUserEndPoint(userID int, endPoint string) error {
+	query := "UPDATE users SET endpoint = ? WHERE id = ?"
+	_, err := db.Exec(query, endPoint, userID)
+	return err
+}