Added password reset form (#336)

* Added password reset form

* added using to commentsPartial

without this i was experiencing an error when browsing to my profile page

* (Hopefully) final password reset form

* Update ProjectLighthouse.Servers.Website/Pages/PasswordResetPage.cshtml.cs

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml.cs

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml.cs

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml.cs

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse/Database.cs

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Update ProjectLighthouse.Servers.Website/Pages/LoginForm.cshtml

Co-authored-by: Jayden <jvyden@jvyden.xyz>

* Stopped leaking user email addresses

* Made UserFromPasswordResetToken async

* Made UserFromPasswordResetToken async

* Indented login form row div

* Fix AddedPasswordResetTokens migration not having proper attributes

* Adjust password reset email text

* Clean up password reset request form

Co-authored-by: Jayden <jvyden@jvyden.xyz>

ProjectLighthouse.Servers.Website/Pages/LoginForm.cshtml

@@ -54,15 +54,23 @@
     {
         @await Html.PartialAsync("Partials/CaptchaPartial")
     }
-
-    <input type="submit" value="Log in" id="submit" class="ui blue button">
-    @if (ServerConfiguration.Instance.Authentication.RegistrationEnabled)
-    {
-        <a href="/register">
+    
+    <div class="row">
+        <input type="submit" value="Log in" id="submit" class="ui blue button">
+        @if (ServerConfiguration.Instance.Authentication.RegistrationEnabled)
+        {
+            <a href="/register">
+                <div class="ui button">
+                    <i class="user alternate add icon"></i>
+                    Register
+                </div>
+            </a>
+        }       
+    </div>
+    <br/>
+        <a href="/passwordResetRequest">
             <div class="ui button">
-                <i class="user alternate add icon"></i>
-                Register
+                Forgot Password?         
             </div>
         </a>
-    }
 </form>

ProjectLighthouse.Servers.Website/Pages/Partials/CommentsPartial.cshtml

@@ -1,4 +1,5 @@
 @using System.Web
+@using System.IO
 @using LBPUnion.ProjectLighthouse.PlayerData.Profiles
 <div class="ui yellow segment" id="comments">
     <h2>Comments</h2>

ProjectLighthouse.Servers.Website/Pages/PasswordResetPage.cshtml.cs

@@ -4,7 +4,6 @@ using LBPUnion.ProjectLighthouse.Configuration;
 using LBPUnion.ProjectLighthouse.Helpers;
 using LBPUnion.ProjectLighthouse.PlayerData.Profiles;
 using LBPUnion.ProjectLighthouse.Servers.Website.Pages.Layouts;
-using LBPUnion.ProjectLighthouse.Types;
 using Microsoft.AspNetCore.Mvc;
 
 namespace LBPUnion.ProjectLighthouse.Servers.Website.Pages;
@@ -19,8 +18,21 @@ public class PasswordResetPage : BaseLayout
     [UsedImplicitly]
     public async Task<IActionResult> OnPost(string password, string confirmPassword)
     {
-        User? user = this.Database.UserFromWebRequest(this.Request);
-        if (user == null) return this.Redirect("~/login");
+        User? user;
+        if (Request.Query.ContainsKey("token"))
+        {
+            user = await this.Database.UserFromPasswordResetToken(Request.Query["token"][0]);
+            if (user == null)
+            {
+                this.Error = "This password reset link either is invalid or has expired. Please try again.";
+                return this.Page();
+            }
+        }
+        else
+        {
+            user = this.Database.UserFromWebRequest(this.Request);
+            if (user == null) return this.Redirect("~/login");
+        }
 
         if (string.IsNullOrWhiteSpace(password))
         {
@@ -48,6 +60,8 @@ public class PasswordResetPage : BaseLayout
     [UsedImplicitly]
     public IActionResult OnGet()
     {
+        if (this.Request.Query.ContainsKey("token")) return this.Page();
+        
         User? user = this.Database.UserFromWebRequest(this.Request);
         if (user == null) return this.Redirect("~/login");
 

ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml

@@ -0,0 +1,34 @@
+@page "/passwordResetRequest"
+@model LBPUnion.ProjectLighthouse.Servers.Website.Pages.PasswordResetRequestForm
+
+@{
+    Layout = "Layouts/BaseLayout";
+    Model.Title = "Password Reset";
+}             
+        
+@if (!string.IsNullOrWhiteSpace(Model.Error))
+{
+    <div class="ui negative message">
+        <div class="header">
+            Uh oh!
+        </div>
+        <p style="white-space: pre-line">@Model.Error</p>
+    </div>
+}
+         
+@if (!string.IsNullOrWhiteSpace(Model.Status))
+{
+    <div class="ui positive message">
+        <div class="header">
+            Success!
+        </div>
+        <p style="white-space: pre-line">@Model.Status</p>
+    </div>
+}
+
+<form class="ui form" method="post">
+    @Html.AntiForgeryToken() 
+
+    <input type="text" autocomplete="no" id="username" placeholder="Username" name="username"/><br/><br/>
+    <input type="submit" value="Request Password Reset" class="ui blue button"/>
+</form>

ProjectLighthouse.Servers.Website/Pages/PasswordResetRequestForm.cshtml.cs

@@ -0,0 +1,67 @@
+using JetBrains.Annotations;
+using LBPUnion.ProjectLighthouse.Configuration;
+using LBPUnion.ProjectLighthouse.Helpers;
+using LBPUnion.ProjectLighthouse.PlayerData;
+using LBPUnion.ProjectLighthouse.PlayerData.Profiles;
+using LBPUnion.ProjectLighthouse.Servers.Website.Pages.Layouts;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace LBPUnion.ProjectLighthouse.Servers.Website.Pages;
+
+public class PasswordResetRequestForm : BaseLayout
+{
+
+    public string? Error { get; private set; }
+
+    public string? Status { get; private set; }
+
+    public PasswordResetRequestForm(Database database) : base(database)
+    { }
+
+    [UsedImplicitly]
+    public async Task<IActionResult> OnPost(string username)
+    {
+
+        if (!ServerConfiguration.Instance.Mail.MailEnabled)
+        {
+            this.Error = "Email is not configured on this server, so password resets cannot be issued. Please contact your instance administrator for more details.";
+            return this.Page();
+        }
+
+        if (string.IsNullOrWhiteSpace(username))
+        {
+            this.Error = "The username field is required.";
+            return this.Page();
+        }
+
+        User? user = await this.Database.Users.FirstOrDefaultAsync(u => u.Username == username);
+
+        if (user == null)
+        {
+            this.Error = "User does not exist.";
+            return this.Page();
+        }
+
+        PasswordResetToken token = new()
+        {
+            Created = DateTime.Now,
+            UserId = user.UserId,
+            ResetToken = CryptoHelper.GenerateAuthToken(),
+        };
+
+        string messageBody = $"Hello, {user.Username}.\n\n" +
+            "A request to reset your account's password was issued. If this wasn't you, this can probably be ignored.\n\n" +
+            $"If this was you, your {ServerConfiguration.Instance.Customization.ServerName} password can be reset at the following link:\n" +
+            $"{ServerConfiguration.Instance.ExternalUrl}/passwordReset?token={token.ResetToken}";
+
+        SMTPHelper.SendEmail(user.EmailAddress, $"Project Lighthouse Password Reset Request for {user.Username}", messageBody);
+
+        this.Database.PasswordResetTokens.Add(token);
+        await this.Database.SaveChangesAsync();
+        
+        this.Status = $"Password reset email sent to {CensorHelper.MaskEmail(user.EmailAddress)}.";
+        return this.Page();
+    }
+    public void OnGet() => this.Page();
+}

ProjectLighthouse/Database.cs

@@ -46,6 +46,7 @@ public class Database : DbContext
     public DbSet<GriefReport> Reports { get; set; }
     public DbSet<EmailVerificationToken> EmailVerificationTokens { get; set; }
     public DbSet<EmailSetToken> EmailSetTokens { get; set; }
+    public DbSet<PasswordResetToken> PasswordResetTokens { get; set; }
 
     protected override void OnConfiguring(DbContextOptionsBuilder options)
         => options.UseMySql(ServerConfiguration.Instance.DbConnectionString, MySqlServerVersion.LatestSupportedServerVersion);
@@ -358,6 +359,27 @@ public class Database : DbContext
 
     #endregion
 
+    #region Password Reset Token
+
+    public async Task<User?> UserFromPasswordResetToken(string resetToken)
+    {
+
+        PasswordResetToken? token = await this.PasswordResetTokens.FirstOrDefaultAsync(token => token.ResetToken == resetToken);
+        if (token == null)
+        {
+            return null;
+        }
+
+        if (token.Created < DateTime.Now.AddHours(-1)) // if token is expired
+        {
+            this.PasswordResetTokens.Remove(token);
+            return null;
+        }
+        return await this.Users.FirstOrDefaultAsync(user => user.UserId == token.UserId);
+    }
+
+    #endregion
+
     public async Task<Photo?> PhotoFromSubject(PhotoSubject subject)
         => await this.Photos.FirstOrDefaultAsync(p => p.PhotoSubjectIds.Contains(subject.PhotoSubjectId.ToString()));
     public async Task RemoveUser(User? user)

ProjectLighthouse/Helpers/CensorHelper.cs

@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.Text;
 using LBPUnion.ProjectLighthouse.Configuration;
 using LBPUnion.ProjectLighthouse.Types;
@@ -94,4 +95,23 @@ public static class CensorHelper
 
         return sb.ToString();
     }
+
+    public static string MaskEmail(string email)
+    {
+        if (string.IsNullOrEmpty(email) || !email.Contains('@')) return email;
+
+        string[] emailArr = email.Split('@');
+        string domainExt = Path.GetExtension(email);
+
+        string maskedEmail = string.Format("{0}****{1}@{2}****{3}{4}",
+            emailArr[0][0],
+            emailArr[0].Substring(emailArr[0].Length - 1),
+            emailArr[1][0],
+            emailArr[1]
+                .Substring(emailArr[1].Length - domainExt.Length - 1,
+                    1),
+            domainExt);
+
+        return maskedEmail;
+    }
 }

ProjectLighthouse/Migrations/20220624210701_AddedPasswordResetTokens.cs

@@ -0,0 +1,41 @@
+using System;
+using LBPUnion.ProjectLighthouse;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ProjectLighthouse.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20220624210701_AddedPasswordResetTokens")]
+    public partial class AddedPasswordResetTokens : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "PasswordResetTokens",
+                columns: table => new
+                {
+                    TokenId = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.IdentityColumn),
+                    UserId = table.Column<int>(type: "int", nullable: false),
+                    ResetToken = table.Column<string>(type: "longtext", nullable: true)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    Created = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PasswordResetTokens", x => x.TokenId);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "PasswordResetTokens");
+        }
+    }
+}

ProjectLighthouse/Migrations/DatabaseModelSnapshot.cs

@@ -16,7 +16,7 @@ namespace ProjectLighthouse.Migrations
         {
 #pragma warning disable 612, 618
             modelBuilder
-                .HasAnnotation("ProductVersion", "6.0.5")
+                .HasAnnotation("ProductVersion", "6.0.6")
                 .HasAnnotation("Relational:MaxIdentifierLength", 64);
 
             modelBuilder.Entity("LBPUnion.ProjectLighthouse.Administration.CompletedMigration", b =>
@@ -390,6 +390,26 @@ namespace ProjectLighthouse.Migrations
                     b.ToTable("GameTokens");
                 });
 
+            modelBuilder.Entity("LBPUnion.ProjectLighthouse.PlayerData.PasswordResetToken", b =>
+                {
+                    b.Property<int>("TokenId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("ResetToken")
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("TokenId");
+
+                    b.ToTable("PasswordResetTokens");
+                });
+
             modelBuilder.Entity("LBPUnion.ProjectLighthouse.PlayerData.Photo", b =>
                 {
                     b.Property<int>("PhotoId")

ProjectLighthouse/PlayerData/PasswordResetToken.cs

@@ -0,0 +1,17 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace LBPUnion.ProjectLighthouse.PlayerData;
+
+public class PasswordResetToken
+{
+    // ReSharper disable once UnusedMember.Global
+    [Key]
+    public int TokenId { get; set; }
+
+    public int UserId { get; set; }
+
+    public string ResetToken { get; set; }
+
+    public DateTime Created { get; set; }
+}