admin logs

src/Admin/Controllers/LogsController.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Bit.Admin.Models;
+using Bit.Core;
+using Bit.Core.Utilities;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Azure.Documents.Client;
+using Microsoft.Azure.Documents.Linq;
+
+namespace Bit.Admin.Controllers
+{
+    [Authorize]
+    [SelfHosted(NotSelfHostedOnly = true)]
+    public class LogsController : Controller
+    {
+        private const string Database = "Diagnostics";
+        private const string Collection = "Logs";
+
+        private readonly GlobalSettings _globalSettings;
+
+        public LogsController(GlobalSettings globalSettings)
+        {
+            _globalSettings = globalSettings;
+        }
+
+        public async Task<IActionResult> Index(string cursor = null, int count = 25)
+        {
+            var collectionLink = UriFactory.CreateDocumentCollectionUri(Database, Collection);
+            using(var client = new DocumentClient(new Uri(_globalSettings.DocumentDb.Uri),
+                _globalSettings.DocumentDb.Key))
+            {
+                var options = new FeedOptions
+                {
+                    MaxItemCount = count,
+                    RequestContinuation = cursor
+                };
+
+                var query = client.CreateDocumentQuery(collectionLink, options)
+                    .OrderByDescending(l => l.Timestamp).AsDocumentQuery();
+                var response = await query.ExecuteNextAsync<LogModel>();
+
+                return View(new CursorPagedModel<LogModel>
+                {
+                    Items = response.ToList(),
+                    Count = count,
+                    Cursor = cursor,
+                    NextCursor = response.ResponseContinuation
+                });
+            }
+        }
+
+        public async Task<IActionResult> View(string id)
+        {
+            using(var client = new DocumentClient(new Uri(_globalSettings.DocumentDb.Uri),
+                _globalSettings.DocumentDb.Key))
+            {
+                var uri = UriFactory.CreateDocumentUri(Database, Collection, id);
+                var response = await client.ReadDocumentAsync<LogModel>(uri);
+                if(response?.Document == null)
+                {
+                    return RedirectToAction("Index");
+                }
+
+                return View(response.Document);
+            }
+        }
+    }
+}

src/Admin/Models/CursorPagedModel.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+
+namespace Bit.Admin.Models
+{
+    public class CursorPagedModel<T>
+    {
+        public List<T> Items { get; set; }
+        public int Count { get; set; }
+        public string Cursor { get; set; }
+        public string NextCursor { get; set; }
+    }
+}

src/Admin/Models/LogModel.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Runtime.Serialization;
+using Microsoft.Azure.Documents;
+using Newtonsoft.Json;
+using Serilog.Events;
+
+namespace Bit.Admin.Models
+{
+    public class LogModel : Resource
+    {
+        public long EventIdHash { get; set; }
+        public LogEventLevel Level { get; set; }
+        public string Message { get; set; }
+        public string MessageTruncated => Message.Length > 200 ? $"{Message.Substring(0, 200)}..." : Message;
+        public string MessageTemplate { get; set; }
+        public Error Exception { get; set; }
+
+        [JsonObject(MemberSerialization.OptIn)]
+        public class Error : Exception, ISerializable
+        {
+            [JsonProperty(PropertyName = "error")]
+            public string ErrorMessage { get; set; }
+
+            [JsonConstructor]
+            public Error() { }
+        }
+    }
+}

src/Admin/Views/Logs/Index.cshtml

@@ -0,0 +1,61 @@
+@model CursorPagedModel<LogModel>
+@{
+    ViewData["Title"] = "Logs";
+}
+
+<h1>Logs</h1>
+
+<div class="table-responsive">
+    <table class="table table-striped table-hover">
+        <thead>
+            <tr>
+                <th style="width: 50px;">&nbsp;</th>
+                <th style="width: 200px;">Timestamp</th>
+                <th style="width: 100px;">Level</th>
+                <th>Message</th>
+            </tr>
+        </thead>
+        <tbody>
+            @if(!Model.Items.Any())
+            {
+                <tr>
+                    <td colspan="4">No results to list.</td>
+                </tr>
+            }
+            else
+            {
+                @foreach(var log in Model.Items)
+                {
+                    <tr>
+                        <td>
+                            <a asp-action="View" asp-route-id="@log.Id" title="View">
+                                <i class="fa fa-file-text-o fa-lg"></i>
+                            </a>
+                        </td>
+                        <td>@log.Timestamp.ToString()</td>
+                        <td>@log.Level</td>
+                        <td>@log.MessageTruncated</td>
+                    </tr>
+                }
+            }
+        </tbody>
+    </table>
+</div>
+
+<nav>
+    <ul class="pagination">
+        @if(string.IsNullOrWhiteSpace(Model.NextCursor))
+        {
+            <li class="page-item disabled">
+                <a class="page-link" href="#" tabindex="-1">Next</a>
+            </li>
+        }
+        else
+        {
+            <li class="page-item">
+                <a class="page-link" asp-action="Index" asp-route-cursor="@Model.NextCursor"
+                   asp-route-count="@Model.Count">Next</a>
+            </li>
+        }
+    </ul>
+</nav>

src/Admin/Views/Logs/View.cshtml

@@ -0,0 +1,30 @@
+@model LogModel
+@{
+    ViewData["Title"] = "Log: " + Model.Id;
+}
+
+<h1>Log <small>@Model.Id</small></h1>
+
+<h2>Information</h2>
+<dl class="row">
+    <dt class="col-sm-4 col-lg-3">Id</dt>
+    <dd class="col-sm-8 col-lg-9"><code>@Model.Id</code></dd>
+
+    <dt class="col-sm-4 col-lg-3">Event Id Hash</dt>
+    <dd class="col-sm-8 col-lg-9">@Model.EventIdHash</dd>
+
+    <dt class="col-sm-4 col-lg-3">Timestamp</dt>
+    <dd class="col-sm-8 col-lg-9">@Model.Timestamp.ToString()</dd>
+
+    <dt class="col-sm-4 col-lg-3">Level</dt>
+    <dd class="col-sm-8 col-lg-9">@Model.Level</dd>
+</dl>
+
+<h2>Message</h2>
+<pre style="max-height: 500px;">@Model.Message</pre>
+
+@if(Model.Exception != null)
+{
+    <h2>Exception</h2>
+    <pre style="max-height: 500px;">@Model.Exception.ToString()</pre>
+}

src/Admin/Views/Shared/_Layout.cshtml

@@ -1,4 +1,5 @@
 @inject SignInManager<IdentityUser> SignInManager
+@inject Bit.Core.GlobalSettings GlobalSettings
 <!DOCTYPE html>
 <html>
 <head>
@@ -36,6 +37,12 @@
                         <li class="nav-item" active-controller="Organizations">
                             <a class="nav-link" asp-controller="Organizations" asp-action="Index">Organizations</a>
                         </li>
+                        @if(!GlobalSettings.SelfHosted)
+                        {
+                            <li class="nav-item" active-controller="Logs">
+                                <a class="nav-link" asp-controller="Logs" asp-action="Index">Logs</a>
+                            </li>
+                        }
                     }
                     <li class="nav-item">
                         <a class="nav-link" href="https://help.bitwarden.com/hosting/" target="_blank">Docs</a>