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109 lines
2.5 KiB
109 lines
2.5 KiB
package Auth
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import (
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"encoding/json"
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"net/http"
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"time"
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"git.tovijaeschke.xyz/tovi/Envelope/Backend/Database"
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"git.tovijaeschke.xyz/tovi/Envelope/Backend/Models"
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)
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type Credentials struct {
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Username string `json:"username"`
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Password string `json:"password"`
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}
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type loginResponse struct {
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Status string `json:"status"`
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Message string `json:"message"`
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AsymmetricPublicKey string `json:"asymmetric_public_key"`
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AsymmetricPrivateKey string `json:"asymmetric_private_key"`
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UserID string `json:"user_id"`
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Username string `json:"username"`
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}
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func makeLoginResponse(w http.ResponseWriter, code int, message, pubKey, privKey string, user Models.User) {
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var (
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status string = "error"
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returnJson []byte
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err error
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)
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if code > 200 && code < 300 {
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status = "success"
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}
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returnJson, err = json.MarshalIndent(loginResponse{
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Status: status,
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Message: message,
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AsymmetricPublicKey: pubKey,
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AsymmetricPrivateKey: privKey,
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UserID: user.ID.String(),
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Username: user.Username,
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}, "", " ")
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if err != nil {
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http.Error(w, "Error", http.StatusInternalServerError)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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// Return updated json
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w.WriteHeader(code)
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w.Write(returnJson)
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}
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func Login(w http.ResponseWriter, r *http.Request) {
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var (
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creds Credentials
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userData Models.User
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session Models.Session
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expiresAt time.Time
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err error
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)
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err = json.NewDecoder(r.Body).Decode(&creds)
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if err != nil {
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makeLoginResponse(w, http.StatusInternalServerError, "An error occurred", "", "", userData)
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return
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}
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userData, err = Database.GetUserByUsername(creds.Username)
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if err != nil {
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makeLoginResponse(w, http.StatusUnauthorized, "An error occurred", "", "", userData)
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return
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}
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if !CheckPasswordHash(creds.Password, userData.Password) {
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makeLoginResponse(w, http.StatusUnauthorized, "An error occurred", "", "", userData)
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return
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}
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// TODO: Revisit before production
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expiresAt = time.Now().Add(12 * time.Hour)
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session = Models.Session{
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UserID: userData.ID,
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Expiry: expiresAt,
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}
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err = Database.CreateSession(&session)
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if err != nil {
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makeLoginResponse(w, http.StatusUnauthorized, "An error occurred", "", "", userData)
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return
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}
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http.SetCookie(w, &http.Cookie{
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Name: "session_token",
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Value: session.ID.String(),
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Expires: expiresAt,
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})
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makeLoginResponse(
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w,
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http.StatusOK,
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"Successfully logged in",
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userData.AsymmetricPublicKey,
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userData.AsymmetricPrivateKey,
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userData,
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)
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}
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