bulletboards/ImageBoardServerApp/Pages/Accounts/UserPage.razor

@page "/sys/you"
@using ImageBoardServerApp.Auth
@using ImageBoardServerApp.Data.Repository
@inject AuthenticationStateProvider authStateProvider 
@inject NavigationManager navManager

<AuthorizeView>
    <Authorized>
        <h3>YOU</h3>
        <br/>
        <span>Email: @mail</span>
        <br/>
        <span>Email: </span>
        <input type="email" id="email" @bind="newMail" />
        <a @onclick="changeEmail" href="javascript:void(0)">[Change Email]</a>
        <br/>
        <span>Password: </span>
        <input type="password" id="password" @bind="newPassword" />
        <a @onclick="changePassword" href="javascript:void(0)">[Change Password]</a>
        <br/>
        <a @onclick="logout" href="javascript:void(0)">[Logout]</a>
    </Authorized>
    <NotAuthorized>
        <span>You are not logged in.</span>
        <a class="navbar-brand" href="/sys/login">Please login first.</a>
    </NotAuthorized>
</AuthorizeView>

@code {
    
    private string mail { get; set; } = "";
    private string newMail { get; set; }
    private string newPassword { get; set; }

    protected override async Task OnInitializedAsync()
    {
        var cauthStateProvder = (CustomAuthenticationStateProvider)authStateProvider;
        var user = await cauthStateProvder.GetAuthenticationStateAsync();
        if (user.User.Identity.IsAuthenticated)
        {
            mail = user.User.Identity.Name;
        }
    }
    
    private async Task logout()
    {
        var customAuthStateProvider = (CustomAuthenticationStateProvider) authStateProvider;
        await customAuthStateProvider.UpdateAuthenticationStateAsync(null);
        navManager.NavigateTo("/", true);
    }
    
    private async Task changeEmail()
    {
        var cauthStateProvder = (CustomAuthenticationStateProvider)authStateProvider;
        var user = await cauthStateProvder.GetAuthenticationStateAsync();
        var usr = user.User;
        UserData foundusr = await UsersRepository.getUserByEmailAsync(usr.Identity.Name);
        if (foundusr == null)
        {
            return;
        }
        int userID = foundusr.UserID;
        if (newMail == null || newMail == "" || !newMail.Contains("@"))
        {
            return;
        }
        foundusr.Email = newMail;
        foundusr.lastActionTimeStamp = DateTimeOffset.Now.ToUnixTimeMilliseconds();
        await UsersRepository.updateUserAsync(foundusr);
    }
    
    private async Task changePassword()
    {
        var cauthStateProvder = (CustomAuthenticationStateProvider)authStateProvider;
        var user = await cauthStateProvder.GetAuthenticationStateAsync();
        var usr = user.User;
        UserData foundusr = await UsersRepository.getUserByEmailAsync(usr.Identity.Name);
        if (foundusr == null)
        {
            return;
        }
        int userID = foundusr.UserID;
        if (newPassword == null || newPassword == "")
        {
            return;
        }
        foundusr.Password = BCrypt.Net.BCrypt.HashPassword(newPassword);
        foundusr.lastActionTimeStamp = DateTimeOffset.Now.ToUnixTimeMilliseconds();
        await UsersRepository.updateUserAsync(foundusr);
    }
}