Large file streaming uploads

.gitignore

@@ -6,7 +6,9 @@ artifacts/
 msbuild.binlog
 .vscode/
 *.binlog
+*.nupkg
 
 Oqtane.Server/appsettings.json
 Oqtane.Server/Data/*.mdf
 Oqtane.Server/Data/*.ldf
+

Oqtane.Client/Modules/Admin/ModuleDefinitions/Add.razor

@@ -0,0 +1,30 @@
+@using Microsoft.AspNetCore.Components.Routing
+@using Oqtane.Client.Modules.Controls
+@using Oqtane.Modules
+@using Oqtane.Services
+@inherits ModuleBase
+@inject IUriHelper UriHelper
+@inject IFileService FileService
+
+<table class="table table-borderless">
+    <tr>
+        <td>
+            <label for="Name" class="control-label">Module: </label>
+        </td>
+        <td>
+            <FileUpload Filter=".nupkg"></FileUpload>
+        </td>
+    </tr>
+</table>
+<button type="button" class="btn btn-success" @onclick="UploadFile">Upload</button>
+<NavLink class="btn btn-secondary" href="@NavigateUrl()">Cancel</NavLink>
+
+@code {
+    public override SecurityAccessLevel SecurityAccessLevel { get { return SecurityAccessLevel.Host; } }
+
+    private async Task UploadFile()
+    {
+        await FileService.UploadFilesAsync("/Sites/Modules");
+    }
+
+}

Oqtane.Client/Modules/Admin/ModuleDefinitions/Index.razor

@@ -12,6 +12,7 @@
 }
 else
 {
+    <ActionLink Action="Add" Text="Upload Module" />
     <table class="table table-borderless">
         <thead>
             <tr>

Oqtane.Client/Modules/Controls/FileUpload.razor

@@ -0,0 +1,43 @@
+@if (multiple)
+{
+    <input type="file" id="@fileid" name="file" accept="@filter" multiple />
+}
+else
+{
+    <input type="file" id="@fileid" name="file" accept="@filter" />
+}
+<span id="@progressinfoid"></span> <progress id="@progressbarid" style="visibility: hidden;"></progress>
+
+@code {
+    [Parameter]
+    public string Name { get; set; } // optional - can be used for managing multiple file upload controls on a page
+
+    [Parameter]
+    public string Filter { get; set; } // optional - for restricting types of files that can be selected
+
+    [Parameter]
+    public string Multiple { get; set; } // optional - enable multiple file uploads
+
+    string fileid = "";
+    string progressinfoid = "";
+    string progressbarid = "";
+    string filter = "*";
+    bool multiple = false;
+
+    protected override void OnInitialized()
+    {
+        fileid = Name + "FileInput";
+        progressinfoid = Name + "ProgressInfo";
+        progressbarid = Name + "ProgressBar";
+
+        if (!string.IsNullOrEmpty(Filter))
+        {
+            filter = Filter;
+        }
+
+        if (!string.IsNullOrEmpty(Multiple))
+        {
+            multiple = bool.Parse(Multiple);
+        }
+    }
+}

Oqtane.Client/Modules/Controls/PermissionGrid.razor

@@ -67,9 +67,9 @@
     <table class="table">
         <tbody>
             <tr>
-                <td><label for="Username" class="control-label">User: </label></td>
+                <td style="text-align: right;"><label for="Username" class="control-label">User: </label></td>
                 <td><input type="text" name="Username" class="form-control" placeholder="Enter Username" @bind="@username" /></td>
-                <td><button type="button" class="btn btn-primary" @onclick="@AddUser">Add</button></td>
+                <td style="text-align: left;"><button type="button" class="btn btn-primary" @onclick="@AddUser">Add</button></td>
             </tr>
         </tbody>
     </table>

Oqtane.Client/Modules/IModuleControl.cs

@@ -5,6 +5,6 @@
         SecurityAccessLevel SecurityAccessLevel { get; } // defines the security access level for this control - defaults to View
         string Title { get; } // title to display for this control - defaults to module title
         string Actions { get; } // allows for routing by configuration rather than by convention ( comma delimited ) - defaults to using component file name
-        string ContainerType { get; } // container for embedding control - defaults to AdminContainer
+        bool UseAdminContainer { get; } // container for embedding module control - defaults to true
     }
 }

Oqtane.Client/Modules/ModuleBase.cs

@@ -18,7 +18,7 @@ namespace Oqtane.Modules
 
         public virtual string Actions { get { return ""; } }
 
-        public virtual string ContainerType { get { return ""; } }
+        public virtual bool UseAdminContainer { get { return true; } }
 
         public string NavigateUrl()
         {

Oqtane.Client/Services/FileService.cs

@@ -0,0 +1,37 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
+using Oqtane.Shared;
+
+namespace Oqtane.Services
+{
+    public class FileService : ServiceBase, IFileService
+    {
+        private readonly SiteState sitestate;
+        private readonly IUriHelper urihelper;
+        private readonly IJSRuntime jsRuntime;
+
+        public FileService(SiteState sitestate, IUriHelper urihelper, IJSRuntime jsRuntime)
+        {
+            this.sitestate = sitestate;
+            this.urihelper = urihelper;
+            this.jsRuntime = jsRuntime;
+        }
+
+        private string apiurl
+        {
+            get { return CreateApiUrl(sitestate.Alias, urihelper.GetAbsoluteUri(), "File"); }
+        }
+
+        public async Task UploadFilesAsync(string Folder)
+        {
+            await UploadFilesAsync(Folder, "");
+        }
+
+        public async Task UploadFilesAsync(string Folder, string FileUploadName)
+        {
+            var interop = new Interop(jsRuntime);
+            await interop.UploadFiles(apiurl + "/upload", Folder, FileUploadName);
+        }
+    }
+}

Oqtane.Client/Services/Interfaces/IFileService.cs

@@ -0,0 +1,12 @@
+using Oqtane.Models;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Oqtane.Services
+{
+    public interface IFileService
+    {
+        Task UploadFilesAsync(string Folder);
+        Task UploadFilesAsync(string Folder, string FileUploadName);
+    }
+}

Oqtane.Client/Shared/Container.razor

@@ -47,15 +47,11 @@
         {
             ModuleState = Module; // passed in from Pane component
             container = ModuleState.ContainerType;
-            if (PageState.ModuleId != -1 && PageState.Control != "")
+            if (PageState.ModuleId != -1 && PageState.Control != "" && ModuleState.UseAdminContainer)
-            {
-                container = ModuleState.AdminContainerType;
-                if (container == "")
             {
                 container = Constants.DefaultAdminContainer;
             }
         }
-        }
         return Task.CompletedTask;
     }
 }

Oqtane.Client/Shared/Interop.cs

@@ -85,5 +85,20 @@ namespace Oqtane.Shared
                 return Task.CompletedTask;
             }
         }
+
+        public Task UploadFiles(string posturl, string folder, string name)
+        {
+            try
+            {
+                jsRuntime.InvokeAsync<string>(
+                "interop.uploadFiles",
+                posturl, folder, name);
+                return Task.CompletedTask;
+            }
+            catch
+            {
+                return Task.CompletedTask;
+            }
+        }
     }
 }

Oqtane.Client/Shared/SiteRouter.razor

@@ -349,7 +349,7 @@
                     module.SecurityAccessLevel = (SecurityAccessLevel)moduletype.GetProperty("SecurityAccessLevel").GetValue(moduleobject, null);
                     module.ControlTitle = (string)moduletype.GetProperty("Title").GetValue(moduleobject);
                     module.Actions = (string)moduletype.GetProperty("Actions").GetValue(moduleobject);
-                    module.AdminContainerType = (string)moduletype.GetProperty("ContainerType").GetValue(moduleobject);
+                    module.UseAdminContainer = (bool)moduletype.GetProperty("UseAdminContainer").GetValue(moduleobject);
                 }
             }
 

Oqtane.Client/Startup.cs

@@ -50,6 +50,7 @@ namespace Oqtane.Client
             services.AddScoped<IRoleService, RoleService>();
             services.AddScoped<IUserRoleService, UserRoleService>();
             services.AddScoped<ISettingService, SettingService>();
+            services.AddScoped<IFileService, FileService>();
 
             // dynamically register module contexts and repository services
             Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();

Oqtane.Server/Controllers/FileController.cs

@@ -0,0 +1,98 @@
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace Oqtane.Controllers
+{
+    [Route("{site}/api/[controller]")]
+    public class FileController : Controller
+    {
+        private readonly IWebHostEnvironment environment;
+        
+        public FileController(IWebHostEnvironment environment)
+        {
+            this.environment = environment;
+        }
+
+        // GET api/<controller>/current
+        [HttpPost("upload")]
+        public async Task UploadFile(string folder, IFormFile file)
+        {
+            if (file.Length > 0)
+            {
+                if (!folder.Contains(":\\"))
+                {
+                    folder = folder.Replace("/", "\\");
+                    if (folder.StartsWith("\\")) folder = folder.Substring(1);
+                    folder = Path.Combine(environment.WebRootPath, folder);
+                }
+                if (!Directory.Exists(folder))
+                {
+                    Directory.CreateDirectory(folder);
+                }
+                using (var stream = new FileStream(Path.Combine(folder, file.FileName), FileMode.Create))
+                {
+                    await file.CopyToAsync(stream);
+                }
+                await MergeFile(folder, file.FileName);
+            }
+        }
+
+        private async Task MergeFile(string folder, string filename)
+        {
+            // parse the filename which is in the format of filename.ext.part_x_y 
+            string token = ".part_";
+            string parts = Path.GetExtension(filename).Replace(token, ""); // returns "x_y"
+            int totalparts = int.Parse(parts.Substring(parts.IndexOf("_") + 1));
+            filename = filename.Substring(0, filename.IndexOf(token)); // base filename
+            string[] fileparts = Directory.GetFiles(folder, filename + token + "*"); // list of all file parts
+
+            // if all of the file parts exist ( note that file parts can arrive out of order )
+            if (fileparts.Length == totalparts)
+            {
+                // merge file parts
+                bool success = true;
+                using (var stream = new FileStream(Path.Combine(folder, filename), FileMode.Create))
+                {
+                    foreach (string filepart in fileparts)
+                    {
+                        try
+                        {
+                            using (FileStream chunk = new FileStream(filepart, FileMode.Open))
+                            {
+                                await chunk.CopyToAsync(stream);
+                            }
+                        }
+                        catch 
+                        {
+                            success = false;
+                        }
+                    }
+                }
+
+                // delete file parts
+                if (success)
+                {
+                    foreach (string filepart in fileparts)
+                    {
+                        System.IO.File.Delete(filepart);
+                    }
+                }
+            }
+
+            // clean up file parts which are more than 2 hours old ( which can happen if a file upload failed )
+            fileparts = Directory.GetFiles(folder, "*" + token + "*");
+            foreach (string filepart in fileparts)
+            {
+                DateTime createddate = System.IO.File.GetCreationTime(filepart);
+                if (createddate < DateTime.Now.AddHours(-2))
+                {
+                    System.IO.File.Delete(filepart);
+                }
+            }
+        }
+    }
+}

Oqtane.Server/Startup.cs

@@ -95,6 +95,7 @@ namespace Oqtane.Server
             services.AddScoped<IRoleService, RoleService>();
             services.AddScoped<IUserRoleService, UserRoleService>();
             services.AddScoped<ISettingService, SettingService>();
+            services.AddScoped<IFileService, FileService>();
 
             services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
 

Oqtane.Server/wwwroot/js/interop.js

@@ -55,5 +55,61 @@ window.interop = {
 
         document.body.appendChild(form);
         form.submit();
+    },
+    uploadFiles: function (posturl, folder, name) {
+        var files = document.getElementById(name + 'FileInput').files;
+        var progressinfo = document.getElementById(name + 'ProgressInfo');
+        var progressbar = document.getElementById(name + 'ProgressBar');
+        var filename = '';
+
+        for (var i = 0; i < files.length; i++) {
+            var FileChunk = [];
+            var file = files[i];
+            var MaxFileSizeMB = 1;
+            var BufferChunkSize = MaxFileSizeMB * (1024 * 1024);
+            var FileStreamPos = 0;
+            var EndPos = BufferChunkSize;
+            var Size = file.size;
+
+            progressbar.setAttribute("style", "visibility: visible;");
+
+            if (files.length > 1) {
+                filename = file.name;
+            }
+
+            while (FileStreamPos < Size) {
+                FileChunk.push(file.slice(FileStreamPos, EndPos));
+                FileStreamPos = EndPos;
+                EndPos = FileStreamPos + BufferChunkSize;
+            }
+
+            var TotalParts = FileChunk.length;
+            var PartCount = 0;
+
+            while (Chunk = FileChunk.shift()) {
+                PartCount++;
+                var FileName = file.name + ".part_" + PartCount + "_" + TotalParts;
+
+                var data = new FormData();
+                data.append('folder', folder);
+                data.append('file', Chunk, FileName);
+                var request = new XMLHttpRequest();
+                request.open('POST', posturl, true);
+                request.upload.onloadstart = function (e) {
+                    progressbar.value = 0;
+                    progressinfo.innerHTML = filename + ' 0%';
+                };
+                request.upload.onprogress = function (e) {
+                    var percent = Math.ceil((e.loaded / e.total) * 100);
+                    progressbar.value = (percent / 100);
+                    progressinfo.innerHTML = filename + '[' + PartCount + '] ' + percent + '%';
+                };
+                request.upload.onloadend = function (e) {
+                    progressbar.value = 1;
+                    progressinfo.innerHTML = filename + ' 100%';
+                };
+                request.send(data);
+            }
+        }
     }
 };

Oqtane.Shared/Models/Module.cs

@@ -49,6 +49,6 @@ namespace Oqtane.Models
         [NotMapped]
         public string Actions { get; set; }
         [NotMapped]
-        public string AdminContainerType { get; set; }
+        public bool UseAdminContainer { get; set; }
     }
 }