threadr.lostcave.ddnss.de/handlers/password.go

97 lines
2.9 KiB
Go

package handlers
import (
"log"
"net/http"
"threadr/models"
"github.com/gorilla/sessions"
)
func PasswordHandler(app *App) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
session := r.Context().Value("session").(*sessions.Session)
userID, ok := session.Values["user_id"].(int)
if !ok {
http.Redirect(w, r, app.Config.ThreadrDir+"/login/", http.StatusFound)
return
}
user, err := models.GetUserByID(app.DB, userID)
if err != nil {
log.Printf("Error fetching user in PasswordHandler: %v", err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
if user == nil {
http.Error(w, "User not found", http.StatusNotFound)
return
}
cookie, _ := r.Cookie("threadr_cookie_banner")
if r.Method == http.MethodPost {
currentPassword := r.FormValue("current_password")
newPassword := r.FormValue("new_password")
confirmPassword := r.FormValue("confirm_password")
if currentPassword == "" || newPassword == "" || confirmPassword == "" {
renderPasswordPage(app, w, r, session, cookie, "All fields are required.", false)
return
}
if !models.CheckPassword(currentPassword, user.AuthenticationSalt, user.AuthenticationAlgorithm, user.AuthenticationString) {
renderPasswordPage(app, w, r, session, cookie, "Current password is incorrect.", false)
return
}
if newPassword != confirmPassword {
renderPasswordPage(app, w, r, session, cookie, "New passwords do not match.", false)
return
}
if len(newPassword) < 8 {
renderPasswordPage(app, w, r, session, cookie, "New password must be at least 8 characters.", false)
return
}
if err := models.UpdateUserPassword(app.DB, userID, newPassword); err != nil {
log.Printf("Error updating password: %v", err)
renderPasswordPage(app, w, r, session, cookie, "Failed to update password. Please try again.", false)
return
}
http.Redirect(w, r, app.Config.ThreadrDir+"/password/?saved=true", http.StatusFound)
return
}
showSuccess := r.URL.Query().Get("saved") == "true"
renderPasswordPage(app, w, r, session, cookie, "", showSuccess)
}
}
func renderPasswordPage(app *App, w http.ResponseWriter, r *http.Request, session *sessions.Session, cookie *http.Cookie, errMsg string, showSuccess bool) {
data := struct {
PageData
Error string
ShowSuccess bool
}{
PageData: PageData{
Title: "ThreadR - Change Password",
Navbar: "password",
LoggedIn: true,
AllowSignup: app.allowSignup(),
ShowCookieBanner: cookie == nil || cookie.Value != "accepted",
BasePath: app.Config.ThreadrDir,
StaticPath: app.Config.ThreadrDir + "/static",
CurrentURL: r.URL.RequestURI(),
},
Error: errMsg,
ShowSuccess: showSuccess,
}
if err := app.Tmpl.ExecuteTemplate(w, "password", data); err != nil {
log.Printf("Error executing template in PasswordHandler: %v", err)
}
}