Allow anonymous editing.

SecureSharing.Business/Dtos/MessageDto.cs

@@ -6,6 +6,7 @@ public sealed class MessageDto : BaseDto
 {
     public string Text { get; set; }
     public bool IsValid { get; set; } = true;
+    public bool AllowEditing { get; set; } = false;
     public Guid Code { get; set; } = Guid.NewGuid();
     public List<FileModel> FileNames { get; set; } = new();
     public DateTime? ExpiryDate { get; set; }

SecureSharing.Business/Services/MessageService.cs

@@ -112,8 +112,12 @@ public sealed class MessageService : IMessageService
 
     public async Task Update(MessageDto messageDto)
     {
+        var message = await GetById(messageDto.Id);
+        message.Text = messageDto.Text;
+        message.FileNames = messageDto.FileNames;
+
         var a = _dbContext.Messages
-            .Update(_mapper.Map<Message>(messageDto));
+            .Update(_mapper.Map<Message>(message));
         
         await _dbContext.SaveChangesAsync();
     }

SecureSharing.Data/Data/Message.cs

@@ -6,6 +6,7 @@ public sealed class Message : BaseEntity
     public string Code { get; set; }
     public List<FileModel> FileNames { get; } = new();
     public bool IsValid { get; set; }
+    public bool AllowEditing { get; set; }
     public DateTime? ExpiryDate { get; set; }
     public bool Anonymous { get; set; } = false;
 }

SecureSharing.Data/Migrations/20221024122405_Adding message editing.Designer.cs

@@ -0,0 +1,348 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using SecureSharing.Data.DbContexts;
+
+#nullable disable
+
+namespace SecureSharing.Data.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20221024122405_Adding message editing")]
+    partial class Addingmessageediting
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.9")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex")
+                        .HasFilter("[NormalizedName] IS NOT NULL");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUser", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("datetimeoffset");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex")
+                        .HasFilter("[NormalizedUserName] IS NOT NULL");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasMaxLength(128)
+                        .HasColumnType("nvarchar(128)");
+
+                    b.Property<string>("ProviderKey")
+                        .HasMaxLength(128)
+                        .HasColumnType("nvarchar(128)");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("LoginProvider")
+                        .HasMaxLength(128)
+                        .HasColumnType("nvarchar(128)");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(128)
+                        .HasColumnType("nvarchar(128)");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("SecureSharing.Data.Data.FileModel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("MessageId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId");
+
+                    b.ToTable("FileModel");
+                });
+
+            modelBuilder.Entity("SecureSharing.Data.Data.Message", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<bool>("AllowEditing")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("Anonymous")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Code")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("ExpiryDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<bool>("IsValid")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Text")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("SecureSharing.Data.Data.FileModel", b =>
+                {
+                    b.HasOne("SecureSharing.Data.Data.Message", null)
+                        .WithMany("FileNames")
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("SecureSharing.Data.Data.Message", b =>
+                {
+                    b.Navigation("FileNames");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SecureSharing.Data/Migrations/20221024122405_Adding message editing.cs

@@ -0,0 +1,26 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SecureSharing.Data.Migrations
+{
+    public partial class Addingmessageediting : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "AllowEditing",
+                table: "Messages",
+                type: "bit",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "AllowEditing",
+                table: "Messages");
+        }
+    }
+}

SecureSharing.Data/Migrations/AppDbContextModelSnapshot.cs

@@ -253,6 +253,9 @@ namespace SecureSharing.Data.Migrations
 
                     SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
 
+                    b.Property<bool>("AllowEditing")
+                        .HasColumnType("bit");
+
                     b.Property<bool>("Anonymous")
                         .HasColumnType("bit");
 

SecureSharing/Controllers/HomeController.cs

@@ -1,4 +1,5 @@
-using Microsoft.AspNetCore.Authorization;
+using AutoMapper;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.StaticFiles;
 using SecureSharing.Business.Dtos;
@@ -18,14 +19,16 @@ public sealed class HomeController : Controller
     private readonly IMessageService _messageService;
     private readonly IModelFactory _modelFactory;
     private readonly IWebHostEnvironment _webHostEnvironment;
+    private readonly IMapper _mapper;
 
     public HomeController(ILogger<HomeController> logger, IMessageService messageService, IModelFactory modelFactory,
-        IWebHostEnvironment webHostEnvironment)
+        IWebHostEnvironment webHostEnvironment, IMapper mapper)
     {
         _logger = logger;
         _messageService = messageService;
         _modelFactory = modelFactory;
         _webHostEnvironment = webHostEnvironment;
+        _mapper = mapper;
     }
 
     public IActionResult Index()
@@ -33,6 +36,7 @@ public sealed class HomeController : Controller
         return View();
     }
 
+    [AllowAnonymous]
     public async Task<string> UploadTemporaryFile()
     {
         var code = Guid.NewGuid().ToString();
@@ -56,15 +60,19 @@ public sealed class HomeController : Controller
     [HttpPost]
     public async Task<IActionResult> CreateMessage(MessageModel model)
     {
-        if (string.IsNullOrWhiteSpace(model.Text) && model.Files.Count == 0 &&
-            model.FilesAsText == "978682e8-3ce7-4258-b731-d027b5b213aa")
+        if (!model.AllowEditing
+            && string.IsNullOrWhiteSpace(model.Text)
+            && model.Files.Count == 0
+            && model.FilesAsText == "978682e8-3ce7-4258-b731-d027b5b213aa")
+        {
             return Redirect("/");
+        }
 
         model.FilesAsText = model.FilesAsText != "978682e8-3ce7-4258-b731-d027b5b213aa"
             ? model.FilesAsText.Split("978682e8-3ce7-4258-b731-d027b5b213aa")[1]
             : "";
 
-        var message = new MessageDto { Text = model.Text, Anonymous = model.Anonymous };
+        var message = new MessageDto { Text = model.Text, Anonymous = model.AllowEditing || model.Anonymous, AllowEditing = model.AllowEditing};
 
         await UploadFiles(model, message);
 
@@ -73,6 +81,32 @@ public sealed class HomeController : Controller
         return RedirectToAction("Link", "Home", new { code, share = true });
     }
 
+    [HttpPost]
+    [AllowAnonymous]
+    public async Task<IActionResult> UpdateMessage(MessageModel model)
+    {
+        if (string.IsNullOrWhiteSpace(model.Text) && model.Files.Count == 0 &&
+            model.FilesAsText == "978682e8-3ce7-4258-b731-d027b5b213aa")
+        {
+            return Redirect("/");
+        }
+
+        model.FilesAsText = model.FilesAsText != "978682e8-3ce7-4258-b731-d027b5b213aa"
+            ? model.FilesAsText.Split("978682e8-3ce7-4258-b731-d027b5b213aa")[1]
+            : "";
+
+        var message = new MessageDto { Text = model.Text, Anonymous = model.Anonymous, Id = model.Id, Code = model.Code};
+        // var messageDto = _mapper.Map<MessageDto>(model); 
+
+        await UploadFiles(model, message);
+
+        
+        await _messageService.Update(message);
+
+        return RedirectToAction("LinkAnonymous", "Home", new { model.Code, share = true, edit = true });
+    }
+
+    [AllowAnonymous]
     private async Task UploadFiles(MessageModel model, MessageDto message)
     {
         var basePath = Path.Combine(_webHostEnvironment.WebRootPath.Split('/')[0], DefaultPath,
@@ -138,20 +172,28 @@ public sealed class HomeController : Controller
     }
 
     [HttpGet]
-    public async Task<IActionResult> Link(Guid code, bool? share)
+    public async Task<IActionResult> Link(Guid code, bool? share, bool? edit)
     {
-        var model = await _modelFactory.PrepareLinkVM(code, share);
+        var model = await _modelFactory.PrepareLinkVM(code, share, edit);
         return View(model);
     }
 
     [AllowAnonymous]
     [HttpGet]
-    public async Task<IActionResult> LinkAnonymous(Guid code, bool? share)
+    public async Task<IActionResult> LinkAnonymous(Guid code, bool? edit)
     {
-        var model = await _modelFactory.PrepareLinkAnonymous(code, share);
+        var model = await _modelFactory.PrepareLinkAnonymous(code, edit);
         return View(model);
     }
 
+    [AllowAnonymous]
+    [HttpGet]
+    public async Task<IActionResult> LinkEdit(Guid code, bool? edit)
+    {
+        var model = await _modelFactory.PrepareLinkEdit(code, edit);
+        return View(model.MessageModel);
+    }
+
     public IActionResult Privacy()
     {
         return View();

SecureSharing/Infrastructure/IModelFactory.cs

@@ -5,6 +5,7 @@ namespace SecureSharing.Infrastructure;
 public interface IModelFactory
 {
     //public MessageModel PrepareMessageVM(MessageDto message);
-    public Task<LinkModel> PrepareLinkVM(Guid code, bool? share);
-    public Task<LinkModel> PrepareLinkAnonymous(Guid code, bool? share);
+    public Task<LinkModel> PrepareLinkVM(Guid code, bool? share, bool? edit);
+    public Task<LinkModel> PrepareLinkAnonymous(Guid code, bool? edit);
+    public Task<LinkModel> PrepareLinkEdit(Guid code, bool? edit);
 }

SecureSharing/Infrastructure/ModelFactory.cs

@@ -14,7 +14,7 @@ public sealed class ModelFactory : IModelFactory
         _messageService = messageService;
     }
 
-    public async Task<LinkModel> PrepareLinkVM(Guid code, bool? share)
+    public async Task<LinkModel> PrepareLinkVM(Guid code, bool? share, bool? edit)
     {
         //share is true when the link is created
 
@@ -27,10 +27,12 @@ public sealed class ModelFactory : IModelFactory
             {
                 MessageModel = new MessageModel
                 {
+                    Id = message.Id,
                     Code = code,
                     Text = message.Text,
                     FileNames = message.FileNames.Select(x => x.Name).ToList(),
-                    Anonymous = message.Anonymous
+                    Anonymous = message.Anonymous,
+                    AllowEditing = message.AllowEditing
                 },
                 Share = share,
                 IsValid = message.IsValid
@@ -50,7 +52,7 @@ public sealed class ModelFactory : IModelFactory
                 else
                 {
                     //ONE_TIME sharing: make the message invalid now so that it can't be accessed next time
-                    if (share is null or false) await _messageService.InvalidateMessage(message.Id);
+                    if (share is null or false && edit is null or false) await _messageService.InvalidateMessage(message.Id);
                 }
             }
             else
@@ -67,13 +69,20 @@ public sealed class ModelFactory : IModelFactory
         return model;
     }
 
-    public async Task<LinkModel> PrepareLinkAnonymous(Guid code, bool? share)
+    public async Task<LinkModel> PrepareLinkAnonymous(Guid code, bool? edit)
     {
-        var model = await PrepareLinkVM(code, share);
+        var model = await PrepareLinkVM(code, false, edit);
 
         return model.MessageModel.Anonymous ? model : new LinkModel { IsValid = false };
     }
 
+    public async Task<LinkModel> PrepareLinkEdit(Guid code, bool? edit)
+    {
+        var model = await PrepareLinkVM(code, false, edit);
+
+        return model.MessageModel.Anonymous && model.MessageModel.AllowEditing ? model : new LinkModel { IsValid = false };
+    }
+    
     //public MessageModel PrepareMessageVM(MessageDto message)
     //{
     //    throw new System.NotImplementedException();

SecureSharing/Models/MessageModel.cs

@@ -14,5 +14,7 @@ public sealed class MessageModel
     public string FilesAsText { get; set; } = default!;
 
     public bool Anonymous { get; set; } = false;
+
+    public bool AllowEditing { get; set; } = false;
     // public Dictionary<int, string> AvailablePeriods { get; set; }
 }

SecureSharing/Views/Home/Index.cshtml

@@ -41,7 +41,7 @@
             </div>
         </div>
     </div>
-    
+
     <div class="mb-3">
         <div class="label-text">
             Your files
@@ -50,16 +50,27 @@
         </div>
     </div>
 
-    
+
+    <div class="mb-3">
+        <label class="label-text">Should link be visible outside diligent network?</label>
+        <div class="button-box row">
+            <div class="single-button-input col-4">
+                <input id="Anonymous" class="radio-input" type="checkbox" asp-for="Anonymous" value="true">
+                <label for="Anonymous" class="label-available">Anonymous share</label>
+            </div>
+        </div>
+    </div>
+@* TODO: https://www.w3schools.com/howto/howto_css_switch.asp *@
     <div class="mb-3">
-            <label class="label-text">Should link be visible outside diligent network?</label>
-            <div class="button-box row">
-                <div class="single-button-input col-4">
-                    <input id="Anonymous" class="radio-input" type="checkbox" asp-for="Anonymous" value="true">
-                    <label for="Anonymous" class="label-available">Anonymous share</label>
-                </div>
+        <label class="label-text">Should content be edited after posting?</label>
+        <div class="button-box row">
+            <div class="single-button-input col-4">
+                <input id="AllowEditing" class="radio-input" type="checkbox" asp-for="AllowEditing" value="true">
+                <label for="AllowEditing" class="label-available">Allow editing</label>
             </div>
         </div>
+    </div>
+
     <button class=" btn btn-light share-button" type="submit">Share</button>
 </form>
 

SecureSharing/Views/Home/Link.cshtml

@@ -20,7 +20,19 @@ else
         </div>
         <div id="div-link" class="label-text link-show">
             @{
-                var link = Url.Action(Model.MessageModel.Anonymous ? "LinkAnonymous" : "Link", "Home", new { code = Model.MessageModel.Code }, "https");
+                string link = "";
+                if (Model.MessageModel.AllowEditing)
+                {
+                    link = Url.Action("LinkEdit", "Home", new { code = Model.MessageModel.Code, edit = true }, "https");
+                }
+                else if (Model.MessageModel.Anonymous)
+                {
+                    link = Url.Action("LinkAnonymous", "Home", new { code = Model.MessageModel.Code }, "https");
+                }
+                else
+                {
+                    link = Url.Action("Link", "Home", new { code = Model.MessageModel.Code }, "https");
+                }
             }
             <a id="a-link" href="@link">@link</a>
         </div>

SecureSharing/Views/Home/LinkAnonymous.cshtml

@@ -12,8 +12,7 @@ else
 {
     <h1>Document is ready!</h1>
     <a href="/" class="share-more-files-button">Share more files</a>
-
-
+    
     <div>
         @if (Model.TimeLeft != null)
         {
@@ -33,9 +32,12 @@ else
         }
         else
         {
-            <div class="label-text-lower">
-                This message will expire when you leave this page
-            </div>
+            if (!Model.MessageModel.AllowEditing)
+            {
+                <div class="label-text-lower">
+                    This message will expire when you leave this page
+                </div>    
+            }
         }
     </div>
 

SecureSharing/Views/Home/LinkEdit.cshtml

@@ -0,0 +1,100 @@
+@{
+    Layout = "~/Views/Shared/_Layout.cshtml";
+}
+@model MessageModel
+
+<h1>@Model.Id</h1>
+<h1>@Model.Code</h1>
+
+<h1>Share files</h1>
+<form method="post" enctype="multipart/form-data" asp-controller="Home" asp-action="UpdateMessage" class="share-files-form">
+    <input type="hidden" asp-for="Id" value="@Model.Id">
+    <input type="hidden" asp-for="Code" value="@Model.Code">
+    <div class="mb-3">
+        <label class="label-text">Message (optional)</label>
+        <textarea asp-for="Text" class="input-message"></textarea>
+    </div>
+    <div class="mb-3">
+        <label class="label-text">Upload files</label>
+        <div id="dropContainer" class="drop-here">
+            <img class="image-file-upload" src="~/img/file-upload-image.png" alt=""/>
+            <div class="default-text text-files-upload">
+                <label for="fileInput" class="btn browse-button">
+                    <span style="color:#0D1C52">Drag and drop files here or</span> browse
+                </label>
+                <input asp-for="Files" id="fileInput" type="file" multiple style="display: none"/>
+                <input asp-for="FilesAsText" id="fileInputAsText" type="text" style="display:none" value="978682e8-3ce7-4258-b731-d027b5b213aa"/>
+            </div>
+        </div>
+    </div>
+
+    <div class="mb-3">
+        <div class="label-text">
+            Your files
+        </div>
+        <div id="filesUploaded">
+        </div>
+    </div>
+    <button class="btn btn-light share-button" type="submit">Save</button>
+</form>
+
+<script src="~/plugins/jquery/jquery.js" type="text/javascript"></script>
+<script type="text/javascript">
+var filesUploaded = document.getElementById("filesUploaded");
+$('#fileInput').change(function() {
+  var files = $('#fileInput')[0].files
+
+  for (var i = 0; i < files.length; i++){
+    filesUploaded.innerHTML +='<p>' +  files[i].name + '</p>';
+  }
+});
+
+var selectedFiles;
+
+$(document).ready(() => {
+  var box;
+  box = document.getElementById("dropContainer");
+  box.addEventListener("dragenter", OnDragEnter, false);
+  box.addEventListener("dragover", OnDragOver, false);
+  box.addEventListener("drop", OnDrop, false);
+})
+
+function OnDragEnter(e) {
+  e.stopPropagation();
+  e.preventDefault();
+}
+
+function OnDragOver(e) {
+  e.stopPropagation();
+  e.preventDefault();
+}
+
+function OnDrop(e) {
+  e.stopPropagation();
+  e.preventDefault();
+  var selectedFiles = e.dataTransfer.files;
+  var formData = new FormData();
+  var fileInput = document.getElementById("fileInputAsText");
+  
+  for (var i = 0; i < selectedFiles.length; i++){
+    formData.append(selectedFiles[i].name, selectedFiles[i]);
+  }
+  
+  $.ajax({  
+    url: '/Home/UploadTemporaryFile',  
+    type: "POST",  
+    contentType: false,
+    processData: false, 
+    data: formData,  
+    success: function (result) {  
+        for (var i = 0; i < selectedFiles.length; i++){
+            fileInput.value += result + ':' + selectedFiles[i].name + ';';
+            filesUploaded.innerHTML += '<p>' +  selectedFiles[i].name + '</p>';
+        }        
+    },  
+    error: function (err) {  
+        console.log(err)
+    }  
+  });  
+}
+</script>