v5 rebase

.gitignore

@@ -0,0 +1,4 @@
+bin/
+obj/
+/packages/
+/data/

.idea/.idea.c3stream/.idea/.gitignore

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+# Default ignored files
+/workspace.xml

.idea/.idea.c3stream/.idea/contentModel.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelStore">
+    <e p="$USER_HOME$/.cache/JetBrains/Rider2020.3/extResources" t="IncludeRecursive" />
+    <e p="$USER_HOME$/.cache/JetBrains/Rider2020.3/resharper-host/local/Transient/Rider/v203/SolutionCaches/_c3stream.-187536235.00" t="ExcludeRecursive" />
+    <e p="$PROJECT_DIR$" t="IncludeRecursive">
+      <e p=".gitignore" t="Include" />
+      <e p="LICENSE" t="Include" />
+      <e p="Pages" t="Include">
+        <e p="Conference.cshtml" t="Include" />
+        <e p="Conference.cshtml.cs" t="Include" />
+        <e p="Error.cshtml" t="Include" />
+        <e p="Error.cshtml.cs" t="Include" />
+        <e p="Index.cshtml" t="Include" />
+        <e p="Index.cshtml.cs" t="Include" />
+        <e p="Info.cshtml" t="Include" />
+        <e p="Info.cshtml.cs" t="Include" />
+        <e p="Privacy.cshtml" t="Include" />
+        <e p="Privacy.cshtml.cs" t="Include" />
+        <e p="Shared" t="Include">
+          <e p="_Layout.cshtml" t="Include" />
+          <e p="_ValidationScriptsPartial.cshtml" t="Include" />
+        </e>
+        <e p="_ViewImports.cshtml" t="Include" />
+        <e p="_ViewStart.cshtml" t="Include" />
+      </e>
+      <e p="Properties" t="Include">
+        <e p="launchSettings.json" t="Include" />
+      </e>
+      <e p="README.md" t="Include" />
+      <e p="Startup.cs" t="Include" />
+      <e p="Types.cs" t="Include" />
+      <e p="appsettings.Development.json" t="Include" />
+      <e p="appsettings.json" t="Include" />
+      <e p="bin" t="ExcludeRecursive" />
+      <e p="c3stream.cs" t="Include" />
+      <e p="c3stream.csproj" t="IncludeRecursive" />
+      <e p="c3stream.sln" t="IncludeFlat" />
+      <e p="obj" t="ExcludeRecursive">
+        <e p="Debug" t="Include">
+          <e p="netcoreapp3.1" t="Include">
+            <e p="c3stream.AssemblyInfo.cs" t="Include" />
+            <e p="c3stream.RazorAssemblyInfo.cs" t="Include" />
+          </e>
+        </e>
+      </e>
+      <e p="packages" t="ExcludeRecursive" />
+      <e p="wwwroot" t="Include">
+        <e p="css" t="Include">
+          <e p="fa.css" t="Include" />
+          <e p="site.css" t="Include" />
+        </e>
+        <e p="favicon.ico" t="Include" />
+        <e p="js" t="Include">
+          <e p="site.js" t="Include" />
+        </e>
+        <e p="lib" t="Include">
+          <e p="bootstrap" t="Include">
+            <e p="LICENSE" t="Include" />
+            <e p="dist" t="Include">
+              <e p="css" t="Include">
+                <e p="bootstrap-grid.css" t="Include" />
+                <e p="bootstrap-grid.css.map" t="Include" />
+                <e p="bootstrap-grid.min.css" t="Include" />
+                <e p="bootstrap-grid.min.css.map" t="Include" />
+                <e p="bootstrap-reboot.css" t="Include" />
+                <e p="bootstrap-reboot.css.map" t="Include" />
+                <e p="bootstrap-reboot.min.css" t="Include" />
+                <e p="bootstrap-reboot.min.css.map" t="Include" />
+                <e p="bootstrap.css" t="Include" />
+                <e p="bootstrap.css.map" t="Include" />
+                <e p="bootstrap.min.css" t="Include" />
+                <e p="bootstrap.min.css.map" t="Include" />
+              </e>
+              <e p="js" t="Include">
+                <e p="bootstrap.bundle.js" t="Include" />
+                <e p="bootstrap.bundle.js.map" t="Include" />
+                <e p="bootstrap.bundle.min.js" t="Include" />
+                <e p="bootstrap.bundle.min.js.map" t="Include" />
+                <e p="bootstrap.js" t="Include" />
+                <e p="bootstrap.js.map" t="Include" />
+                <e p="bootstrap.min.js" t="Include" />
+                <e p="bootstrap.min.js.map" t="Include" />
+              </e>
+            </e>
+          </e>
+          <e p="jquery" t="Include">
+            <e p="LICENSE.txt" t="Include" />
+            <e p="dist" t="Include">
+              <e p="jquery.js" t="Include" />
+              <e p="jquery.min.js" t="Include" />
+              <e p="jquery.min.map" t="Include" />
+            </e>
+          </e>
+          <e p="jquery-validation" t="Include">
+            <e p="LICENSE.md" t="Include" />
+            <e p="dist" t="Include">
+              <e p="additional-methods.js" t="Include" />
+              <e p="additional-methods.min.js" t="Include" />
+              <e p="jquery.validate.js" t="Include" />
+              <e p="jquery.validate.min.js" t="Include" />
+            </e>
+          </e>
+          <e p="jquery-validation-unobtrusive" t="Include">
+            <e p="LICENSE.txt" t="Include" />
+            <e p="jquery.validate.unobtrusive.js" t="Include" />
+            <e p="jquery.validate.unobtrusive.min.js" t="Include" />
+          </e>
+        </e>
+        <e p="webfonts" t="Include">
+          <e p="fa-brands-400.eot" t="Include" />
+          <e p="fa-brands-400.svg" t="Include" />
+          <e p="fa-brands-400.ttf" t="Include" />
+          <e p="fa-brands-400.woff" t="Include" />
+          <e p="fa-brands-400.woff2" t="Include" />
+          <e p="fa-duotone-900.eot" t="Include" />
+          <e p="fa-duotone-900.svg" t="Include" />
+          <e p="fa-duotone-900.ttf" t="Include" />
+          <e p="fa-duotone-900.woff" t="Include" />
+          <e p="fa-duotone-900.woff2" t="Include" />
+          <e p="fa-light-300.eot" t="Include" />
+          <e p="fa-light-300.svg" t="Include" />
+          <e p="fa-light-300.ttf" t="Include" />
+          <e p="fa-light-300.woff" t="Include" />
+          <e p="fa-light-300.woff2" t="Include" />
+          <e p="fa-regular-400.eot" t="Include" />
+          <e p="fa-regular-400.svg" t="Include" />
+          <e p="fa-regular-400.ttf" t="Include" />
+          <e p="fa-regular-400.woff" t="Include" />
+          <e p="fa-regular-400.woff2" t="Include" />
+          <e p="fa-solid-900.eot" t="Include" />
+          <e p="fa-solid-900.svg" t="Include" />
+          <e p="fa-solid-900.ttf" t="Include" />
+          <e p="fa-solid-900.woff" t="Include" />
+          <e p="fa-solid-900.woff2" t="Include" />
+        </e>
+      </e>
+    </e>
+  </component>
+</project>

.idea/.idea.c3stream/.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.c3stream/.idea/indexLayout.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelUserStore">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.c3stream/.idea/jsLibraryMappings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptLibraryMappings">
+    <file url="PROJECT" libraries="{all, c1a632a160}" />
+  </component>
+</project>

.idea/.idea.c3stream/.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="com.jetbrains.rider.android.RiderAndroidMiscFileCreationComponent">
+    <option name="ENSURE_MISC_FILE_EXISTS" value="true" />
+  </component>
+</project>

.idea/.idea.c3stream/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/.idea.c3stream/.idea/riderModule.iml" filepath="$PROJECT_DIR$/.idea/.idea.c3stream/.idea/riderModule.iml" />
+    </modules>
+  </component>
+</project>

.idea/.idea.c3stream/.idea/projectSettingsUpdater.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RiderProjectSettingsUpdater">
+    <option name="vcsConfiguration" value="2" />
+  </component>
+</project>

.idea/.idea.c3stream/.idea/riderModule.iml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="RIDER_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$/../.." />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/.idea.c3stream/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/.idea.c3stream/riderModule.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="RIDER_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$/../.." />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="c1a632a160" level="application" />
+    <orderEntry type="library" name="all" level="application" />
+  </component>
+</module>

LICENSE

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+MIT License
+
+Copyright (c) 2020 Laura Hausmann
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Pages/Conference.cshtml

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+@page
+@model ConferenceModel
+@using System.Net
+@using static ConferenceModel
+@{
+    if (c3stream.Conferences.All(c => c.Acronym != Request.Query["c"])) {
+        Response.Redirect("/");
+        return;
+    }
+
+    c3stream.UpdateCookie(Request, Response, $"/Conference?c={Request.Query["c"]}");
+    ReadUserData();
+    ViewData["Title"] = Request.Query["c"];
+    var wc = new WebClient();
+    var conference = c3stream.Conferences.First(c => c.Acronym == Request.Query["c"]);
+    if (conference.Ongoing) {
+        c3stream.UpdateConference(conference);
+    }
+    wc.Dispose();
+}
+
+<table class="table">
+    <thead>
+    <tr>
+        <th scope="col">Event</th>
+        <th scope="col">
+            @Html.Raw(Request.Query["orderby"] == "published" ? $"<a href=\"/Conference?c={Request.Query["c"]}\">Published" : $"<a href=\"/Conference?c={Request.Query["c"]}&orderby=published\">Date")</th>
+        <th scope="col">Category</th>
+        <th scope="col">Title</th>
+        <th scope="col">Speaker(s)</th>
+        <th scope="col">Lang</th>
+        <th scope="col">Actions</th>
+    </tr>
+    </thead>
+    <tbody>
+    @foreach (var talk in Request.Query["orderby"] == "published" ? conference.Talks.OrderByDescending(p => p.ReleaseDate) : conference.Talks.OrderBy(p => p.Date)) {
+        var state = UserData.FirstOrDefault(p => p.TalkId == talk.Guid && p.UserId == Request.Cookies["bookmark"])?.State;
+        var isWatched = state == "watched";
+        var isMarked = state == "marked";
+        var file = $"{talk.Slug}.mp4";
+        var eventName = talk.Tags.Count <= 1 ? conference.Acronym : talk.Tags[0].Replace("-", "-<br/>");
+        var category = talk.Tags.Count switch {
+            0 => "<no category>",
+            1 => talk.Tags[0],
+            2 => "<no category>",
+            3 => talk.Tags[2],
+            4 => talk.Tags[3],
+            5 => talk.Tags[3],
+            6 => talk.Tags[3], // rc3: is this correct?
+            _ => "<unknown tag format>"
+            };
+        <tr>
+            <td>@Html.Raw(eventName)</td>
+            <td>@(Request.Query["orderby"] == "published" ? talk.ReleaseDate?.Date.ToShortDateString() : talk.Date?.Date.ToShortDateString())</td>
+            <td>@category</td>
+            @if (isWatched) {
+                <td style="color: #95cb7a">@talk.Title</td>
+            }
+            else if (isMarked) {
+                <td style="color: #da7d4f">@talk.Title</td>
+            }
+            else {
+                <td>@talk.Title</td>
+            }
+            <td>@(talk.Persons.Any() ? talk.Persons.Aggregate((s, s1) => $"{s}, {s1}") : "<no speakers>")</td>
+            <td>@talk.OriginalLanguage</td>
+            <td>
+                <div class="btn-group" role="group">
+                    <a href="@talk.FrontendLink.AbsoluteUri" role="button" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Play">
+                        <i class="fas fa-play-circle"></i>
+                    </a>
+                    @if (System.IO.File.Exists(System.IO.Path.Combine(c3stream.CachePath, conference.Acronym, file))) {
+                        <a href="@(c3stream.CacheUrl + $"{conference.Acronym}/{file}")" role="button" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Mirror">
+                            <i class="fas fa-cloud-download"></i>
+                        </a>
+                    }
+                    else {
+                        <a href="/" role="button" class="btn btn-primary disabled">
+                            <i class="fas fa-cloud-download"></i>
+                        </a>
+                    }
+                    <a href="/Info?guid=@talk.Guid" role="button" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Info">
+                        <i class="fas fa-info-circle"></i>
+                    </a>
+                    @if (isWatched) {
+                        <button onclick="SetState('@talk.Guid', 'unwatched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Mark unwatched">
+                            <i class="fas fa-times"></i>
+                        </button>
+                        <button class="btn btn-primary disabled">
+                            <i class="fas fa-clock"></i>
+                        </button>
+                    }
+                    else if (isMarked) {
+                        <button onclick="SetState('@talk.Guid', 'watched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Mark watched">
+                            <i class="fas fa-check"></i>
+                        </button>
+                        <button onclick="SetState('@talk.Guid', 'unwatched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Remove from watch later">
+                            <i class="fas fa-undo-alt"></i>
+                        </button>
+                    }
+                    else {
+                        <button onclick="SetState('@talk.Guid', 'watched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Mark watched">
+                            <i class="fas fa-check"></i>
+                        </button>
+                        <button onclick="SetState('@talk.Guid', 'marked')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="top" title="Add to watch later">
+                            <i class="fas fa-clock"></i>
+                        </button>
+                    }
+                </div>
+            </td>
+        </tr>
+    }
+    </tbody>
+</table>

Pages/Conference.cshtml.cs

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+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+
+namespace c3stream.Pages {
+	public class ConferenceModel : PageModel {
+		public static    List<UserStatus>         UserData = new List<UserStatus>();
+		private readonly ILogger<ConferenceModel> _logger;
+
+		public ConferenceModel(ILogger<ConferenceModel> logger) => _logger = logger;
+
+		public void OnGet() {
+			var guid   = Request.Query["guid"];
+			var state  = Request.Query["state"];
+			var userid = Request.Cookies["bookmark"];
+			if (string.IsNullOrWhiteSpace(guid) || string.IsNullOrWhiteSpace(state) || !Request.Cookies.ContainsKey("bookmark"))
+				return;
+
+			lock (c3stream.Lock) {
+				ReadUserData();
+				var existing = UserData.FirstOrDefault(p => p.TalkId == guid && p.UserId == userid);
+				if (existing != null)
+					if (state == "unwatched")
+						UserData.Remove(existing);
+					else
+						existing.State = state;
+				else
+					UserData.Add(new UserStatus(userid, guid, state));
+				WriteUserData();
+				Response.Redirect("/");
+			}
+		}
+
+		public static void ReadUserData() {
+			lock (c3stream.Lock)
+				UserData = JsonConvert.DeserializeObject<List<UserStatus>>(System.IO.File.ReadAllText(c3stream.DbPath));
+		}
+
+		public static void WriteUserData() {
+			lock (c3stream.Lock)
+				System.IO.File.WriteAllText(c3stream.DbPath, JsonConvert.SerializeObject(UserData));
+		}
+
+		public class UserStatus {
+			public readonly string TalkId;
+			public readonly string UserId;
+			public          string State;
+
+			public UserStatus(string userId, string talkId, string state = "unwatched") {
+				UserId = userId;
+				State  = state;
+				TalkId = talkId;
+			}
+		}
+	}
+}

Pages/Error.cshtml

@@ -0,0 +1,25 @@
+@page
+@model ErrorModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId) {
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>

Pages/Error.cshtml.cs

@@ -0,0 +1,21 @@
+using System.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace c3stream.Pages {
+	[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+	public class ErrorModel : PageModel {
+		private readonly ILogger<ErrorModel> _logger;
+
+		public ErrorModel(ILogger<ErrorModel> logger) => _logger = logger;
+
+		public string RequestId { get; set; }
+
+		public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+		public void OnGet() {
+			RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
+		}
+	}
+}

Pages/Index.cshtml

@@ -0,0 +1,17 @@
+@page
+@model IndexModel
+@{
+    ViewData["Title"] = "Home";
+    c3stream.UpdateCookie(Request, Response, "/");
+}
+
+<div style="text-align: center">
+    <h1>Welcome to c3stream!</h1>
+    Your bookmark link:<br/>
+    <code onclick="copyToClipboard(this)">https://@Request.Host.Value?bookmark=@Request.Cookies["bookmark"]</code><br/><br/>
+    <div class="btn-group">
+        @foreach (var conf in c3stream.Conferences) {
+            <a role="button" class="btn btn-primary" href="/Conference?c=@conf.Acronym">@conf.Acronym</a>
+        }
+    </div>
+</div>

Pages/Index.cshtml.cs

@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace c3stream.Pages {
+	public class IndexModel : PageModel {
+		private readonly ILogger<IndexModel> _logger;
+
+		public IndexModel(ILogger<IndexModel> logger) => _logger = logger;
+
+		public void OnGet() { }
+	}
+}

Pages/Info.cshtml

@@ -0,0 +1,114 @@
+@page
+@model InfoModel
+@{
+    ViewData["Title"] = "Info";
+}
+@{
+    if (string.IsNullOrWhiteSpace(Request.Query["guid"]) || c3stream.GetEventByGuid(Request.Query["guid"]) == null) {
+        Response.Redirect("/");
+        return;
+    }
+
+    c3stream.UpdateCookie(Request, Response, $"/Info?guid={Request.Query["guid"]}");
+
+    ConferenceModel.ReadUserData();
+    var talk = c3stream.GetEventByGuid(Request.Query["guid"]);
+    var state = ConferenceModel.UserData.FirstOrDefault(p => p.TalkId == Request.Query["guid"] && p.UserId == Request.Cookies["bookmark"])?.State;
+    if (talk == null) {
+        Response.Redirect("/");
+        return;
+    }
+    if (state == null) {
+        state = "unwatched";
+    }
+
+    var title = talk.Title;
+    var speakers = talk.Persons.Any() ? talk.Persons.Aggregate((s, s1) => $"{s}, {s1}") : "<no speakers>";
+    var description = talk.Description;
+    if (string.IsNullOrEmpty(description)) {
+        description = "&lt;missing description&gt;";
+    }
+
+    var isWatched = state == "watched";
+    var isMarked = state == "marked";
+    var file = $"{talk.Slug}.mp4";
+    var conference = c3stream.GetConferenceByEventGuid(talk.Guid);
+
+    var eventName = talk.Tags.Count <= 1 ? conference.Acronym : talk.Tags[0];
+    var logoPath = System.IO.Path.Combine(c3stream.CachePath, conference.Acronym, "logo.png");
+
+    var category = talk.Tags.Count switch {
+        0 => "<no category>",
+        1 => talk.Tags[0],
+        2 => "<no category>",
+        3 => talk.Tags[2],
+        4 => talk.Tags[3],
+        5 => talk.Tags[3],
+        _ => "<unknown tag format>"
+        };
+}
+
+@if (System.IO.File.Exists(logoPath)) {
+    <img src="@(c3stream.CacheUrl + $"{conference.Acronym}/logo.png")" alt="Conference logo" style="max-height: 110px; float: right;"/>
+}
+else {
+    <img src="@conference.LogoUri" alt="Conference logo" style="max-height: 110px; float: right;"/>
+}
+
+@if (isWatched) {
+    <h3 style="color: #95cb7a">@title - <i>@speakers</i></h3>
+}
+else if (isMarked) {
+    <h3 style="color: #da7d4f">@title - <i>@speakers</i></h3>
+}
+else {
+    <h3>@title - <i>@speakers</i></h3>
+}
+
+<h5>@eventName - @category - @talk.Date?.Date.ToShortDateString()</h5>
+<div class="btn-group" role="group" style="margin-bottom: 10px">
+    <a href="@talk.FrontendLink.AbsoluteUri" role="button" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="right" title="Play">
+        <i class="fas fa-play-circle"></i>
+    </a>
+    @if (System.IO.File.Exists(System.IO.Path.Combine(c3stream.CachePath, conference.Acronym, file))) {
+        <a href="@(c3stream.CacheUrl + $"{conference.Acronym}/{file}")" role="button" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="right" title="Mirror">
+            <i class="fas fa-cloud-download"></i>
+        </a>
+    }
+    else {
+        <a href="/" role="button" class="btn btn-primary disabled">
+            <i class="fas fa-cloud-download"></i>
+        </a>
+    }
+    @if (isWatched) {
+        <button onclick="SetState('@talk.Guid', 'unwatched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="left" title="Mark unwatched">
+            <i class="fas fa-times"></i>
+        </button>
+        <button class="btn btn-primary disabled">
+            <i class="fas fa-clock"></i>
+        </button>
+    }
+    else if (isMarked) {
+        <button onclick="SetState('@talk.Guid', 'watched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="left" title="Mark watched">
+            <i class="fas fa-check"></i>
+        </button>
+        <button onclick="SetState('@talk.Guid', 'unwatched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="left" title="Remove from watch later">
+            <i class="fas fa-undo-alt"></i>
+        </button>
+    }
+    else {
+        <button onclick="SetState('@talk.Guid', 'watched')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="left" title="Mark watched">
+            <i class="fas fa-check"></i>
+        </button>
+        <button onclick="SetState('@talk.Guid', 'marked')" class="btn btn-primary w-100" data-toggle="tooltip" data-placement="left" title="Add to watch later">
+            <i class="fas fa-clock"></i>
+        </button>
+    }
+</div>
+
+<p style="text-align: justify">
+    @Html.Raw(description.Replace("\n", "<br/>").Replace("<p>", "").Replace("</p>", ""))
+</p>
+
+Share this talk:<br/>
+<code onclick="copyToClipboard(this)">https://@Request.Host.Value/Info?guid=@Request.Query["guid"]</code>

Pages/Info.cshtml.cs

@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace c3stream.Pages {
+	public class InfoModel : PageModel {
+		private readonly ILogger<InfoModel> _logger;
+
+		public InfoModel(ILogger<InfoModel> logger) => _logger = logger;
+
+		public void OnGet() { }
+	}
+}

Pages/Privacy.cshtml

@@ -0,0 +1,11 @@
+@page
+@model PrivacyModel
+@{
+    ViewData["Title"] = "Privacy";
+}
+<h3>Privacy</h3>
+<p style="text-align: justify">
+    All data saved about you on this website is the watched status of talks you marked in association with your randomly generated bookmark UUID.
+    No logs are kept, no trackers used. Keep in mind that you are forwarded to media.ccc.de when you watch a talk, and therefore should check their privacy policy as well. <br/>
+    Have fun!
+</p>

Pages/Privacy.cshtml.cs

@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace c3stream.Pages {
+	public class PrivacyModel : PageModel {
+		private readonly ILogger<PrivacyModel> _logger;
+
+		public PrivacyModel(ILogger<PrivacyModel> logger) => _logger = logger;
+
+		public void OnGet() { }
+	}
+}

Pages/Shared/_Layout.cshtml

@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <title>@ViewData["Title"] - c3stream</title>
+    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css"/>
+    <link rel="stylesheet" href="~/css/fa.css" crossorigin="anonymous">
+    <link rel="stylesheet" href="~/css/site.css"/>
+</head>
+<body>
+<header>
+    <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+        <div class="container-fluid" style="width: 90%">
+            <a class="navbar-brand" asp-area="" asp-page="/Index">c3stream <small style="font-size: x-small">v5</small></a>
+            <button class="navbar-toggler" role="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                    aria-expanded="false" aria-label="Toggle navigation">
+                <span class="navbar-toggler-icon"></span>
+            </button>
+        </div>
+    </nav>
+</header>
+<div class="container-fluid" style="width: 90%">
+    <main role="main" class="pb-3">
+        @RenderBody()
+    </main>
+</div>
+
+<footer class="border-top footer">
+    <div class="container-fluid" style="width: 90%; text-align: center">
+        <a href="/Privacy">Privacy</a> -
+        <a href="mailto:c3stream-contact@zotan.pw">Contact</a> -
+        <a href="https://git.zotan.services/zotan/c3stream/">Source Code</a> -
+        c3stream is not affiliated with media.ccc.de in any way. Mirrored video files display their license in the video, no rights reserved.
+    </div>
+</footer>
+
+<script src="~/lib/jquery/dist/jquery.min.js"></script>
+<script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+<script src="~/js/site.js" asp-append-version="true"></script>
+
+@RenderSection("Scripts", false)
+</body>
+</html>

Pages/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,2 @@
+<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
+<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>

Pages/_ViewImports.cshtml

@@ -0,0 +1,3 @@
+@using global::c3stream
+@namespace c3stream.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

Pages/_ViewStart.cshtml

@@ -0,0 +1,3 @@
+@{
+    Layout = "_Layout";
+}

Properties/launchSettings.json

@@ -0,0 +1,20 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false, 
+    "anonymousAuthentication": true, 
+    "iisExpress": {
+      "applicationUrl": "http://localhost:37898",
+      "sslPort": 44314
+    }
+  },
+  "profiles": {
+    "c3stream": {
+      "commandName": "Project",
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

README.md

@@ -0,0 +1 @@
+c3stream is a small proxy site meant for saving watched status & watch-later-lists for media.ccc.de talks. Test in production at https://c3stream.de

Startup.cs

@@ -0,0 +1,35 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace c3stream {
+	public class Startup {
+		public Startup(IConfiguration configuration) => Configuration = configuration;
+
+		public IConfiguration Configuration { get; }
+
+		// This method gets called by the runtime. Use this method to add services to the container.
+		public void ConfigureServices(IServiceCollection services) {
+			services.AddRazorPages();
+		}
+
+		// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+		public void Configure(IApplicationBuilder app, IWebHostEnvironment env) {
+			if (env.IsDevelopment())
+				app.UseDeveloperExceptionPage();
+			else
+				app.UseExceptionHandler("/Error");
+			// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+
+			app.UseStaticFiles();
+
+			app.UseRouting();
+
+			app.UseAuthorization();
+
+			app.UseEndpoints(endpoints => { endpoints.MapRazorPages(); });
+		}
+	}
+}

Types.cs

@@ -0,0 +1,276 @@
+// <auto-generated />
+//
+// To parse this JSON data, add NuGet 'Newtonsoft.Json' then do:
+//
+//    using c3stream;
+//
+//    var conference = Conference.FromJson(jsonString);
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace c3stream {
+	public partial class Conference {
+		[JsonProperty("acronym", NullValueHandling = NullValueHandling.Ignore)]
+		public string Acronym { get; set; }
+
+		[JsonProperty("aspect_ratio", NullValueHandling = NullValueHandling.Ignore)]
+		public string AspectRatio { get; set; }
+
+		[JsonProperty("updated_at", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? UpdatedAt { get; set; }
+
+		[JsonProperty("title", NullValueHandling = NullValueHandling.Ignore)]
+		public string Title { get; set; }
+
+		[JsonProperty("schedule_url", NullValueHandling = NullValueHandling.Ignore)]
+		public string ScheduleUrl { get; set; }
+
+		[JsonProperty("slug", NullValueHandling = NullValueHandling.Ignore)]
+		public string Slug { get; set; }
+
+		[JsonProperty("event_last_released_at", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? EventLastReleasedAt { get; set; }
+
+		[JsonProperty("webgen_location", NullValueHandling = NullValueHandling.Ignore)]
+		public string WebgenLocation { get; set; }
+
+		[JsonProperty("logo_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri LogoUrl { get; set; }
+
+		[JsonProperty("images_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ImagesUrl { get; set; }
+
+		[JsonProperty("recordings_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri RecordingsUrl { get; set; }
+
+		[JsonProperty("url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri Url { get; set; }
+
+		[JsonProperty("events", NullValueHandling = NullValueHandling.Ignore)]
+		public List<Event> Events { get; set; }
+	}
+
+	public class Event {
+		[JsonProperty("guid", NullValueHandling = NullValueHandling.Ignore)]
+		public string Guid { get; set; }
+
+		[JsonProperty("title", NullValueHandling = NullValueHandling.Ignore)]
+		public string Title { get; set; }
+
+		[JsonProperty("subtitle")] public string Subtitle { get; set; }
+
+		[JsonProperty("slug", NullValueHandling = NullValueHandling.Ignore)]
+		public string Slug { get; set; }
+
+		[JsonProperty("link", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri Link { get; set; }
+
+		[JsonProperty("description")] public string Description { get; set; }
+
+		[JsonProperty("original_language", NullValueHandling = NullValueHandling.Ignore)]
+		public string OriginalLanguage { get; set; }
+
+		[JsonProperty("persons", NullValueHandling = NullValueHandling.Ignore)]
+		public List<string> Persons { get; set; }
+
+		[JsonProperty("tags", NullValueHandling = NullValueHandling.Ignore)]
+		public List<string> Tags { get; set; }
+
+		[JsonProperty("view_count", NullValueHandling = NullValueHandling.Ignore)]
+		public long? ViewCount { get; set; }
+
+		[JsonProperty("promoted", NullValueHandling = NullValueHandling.Ignore)]
+		public bool? Promoted { get; set; }
+
+		[JsonProperty("date", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? Date { get; set; }
+
+		[JsonProperty("release_date", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? ReleaseDate { get; set; }
+
+		[JsonProperty("updated_at", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? UpdatedAt { get; set; }
+
+		[JsonProperty("length", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Length { get; set; }
+
+		[JsonProperty("duration", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Duration { get; set; }
+
+		[JsonProperty("thumb_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ThumbUrl { get; set; }
+
+		[JsonProperty("poster_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri PosterUrl { get; set; }
+
+		[JsonProperty("timeline_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri TimelineUrl { get; set; }
+
+		[JsonProperty("thumbnails_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ThumbnailsUrl { get; set; }
+
+		[JsonProperty("frontend_link", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri FrontendLink { get; set; }
+
+		[JsonProperty("url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri Url { get; set; }
+
+		[JsonProperty("conference_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ConferenceUrl { get; set; }
+
+		[JsonProperty("related", NullValueHandling = NullValueHandling.Ignore)]
+		public List<object> Related { get; set; }
+	}
+
+	public partial class Conference {
+		public static Conference FromJson(string json) => JsonConvert.DeserializeObject<Conference>(json, Converter.Settings);
+	}
+
+	public static partial class Serialize {
+		public static string ToJson(this Conference self) => JsonConvert.SerializeObject(self, Converter.Settings);
+	}
+
+	internal static class Converter {
+		public static readonly JsonSerializerSettings Settings = new JsonSerializerSettings {
+			MetadataPropertyHandling = MetadataPropertyHandling.Ignore,
+			DateParseHandling        = DateParseHandling.None,
+			Converters               = {new IsoDateTimeConverter {DateTimeStyles = DateTimeStyles.AssumeUniversal}}
+		};
+	}
+
+	public partial class Talk {
+		[JsonProperty("guid", NullValueHandling = NullValueHandling.Ignore)]
+		public string Guid { get; set; }
+
+		[JsonProperty("title", NullValueHandling = NullValueHandling.Ignore)]
+		public string Title { get; set; }
+
+		[JsonProperty("subtitle", NullValueHandling = NullValueHandling.Ignore)]
+		public string Subtitle { get; set; }
+
+		[JsonProperty("slug", NullValueHandling = NullValueHandling.Ignore)]
+		public string Slug { get; set; }
+
+		[JsonProperty("link", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri Link { get; set; }
+
+		[JsonProperty("description", NullValueHandling = NullValueHandling.Ignore)]
+		public string Description { get; set; }
+
+		[JsonProperty("original_language", NullValueHandling = NullValueHandling.Ignore)]
+		public string OriginalLanguage { get; set; }
+
+		[JsonProperty("persons", NullValueHandling = NullValueHandling.Ignore)]
+		public List<string> Persons { get; set; }
+
+		[JsonProperty("tags", NullValueHandling = NullValueHandling.Ignore)]
+		public List<string> Tags { get; set; }
+
+		[JsonProperty("view_count", NullValueHandling = NullValueHandling.Ignore)]
+		public long? ViewCount { get; set; }
+
+		[JsonProperty("promoted", NullValueHandling = NullValueHandling.Ignore)]
+		public bool? Promoted { get; set; }
+
+		[JsonProperty("date", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? Date { get; set; }
+
+		[JsonProperty("release_date", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? ReleaseDate { get; set; }
+
+		[JsonProperty("updated_at", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? UpdatedAt { get; set; }
+
+		[JsonProperty("length", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Length { get; set; }
+
+		[JsonProperty("duration", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Duration { get; set; }
+
+		[JsonProperty("thumb_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ThumbUrl { get; set; }
+
+		[JsonProperty("poster_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri PosterUrl { get; set; }
+
+		[JsonProperty("timeline_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri TimelineUrl { get; set; }
+
+		[JsonProperty("thumbnails_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ThumbnailsUrl { get; set; }
+
+		[JsonProperty("frontend_link", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri FrontendLink { get; set; }
+
+		[JsonProperty("url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri Url { get; set; }
+
+		[JsonProperty("conference_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ConferenceUrl { get; set; }
+
+		[JsonProperty("related", NullValueHandling = NullValueHandling.Ignore)]
+		public List<object> Related { get; set; }
+
+		[JsonProperty("recordings", NullValueHandling = NullValueHandling.Ignore)]
+		public List<Recording> Recordings { get; set; }
+	}
+
+	public class Recording {
+		[JsonProperty("size", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Size { get; set; }
+
+		[JsonProperty("length", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Length { get; set; }
+
+		[JsonProperty("mime_type", NullValueHandling = NullValueHandling.Ignore)]
+		public string MimeType { get; set; }
+
+		[JsonProperty("language", NullValueHandling = NullValueHandling.Ignore)]
+		public string Language { get; set; }
+
+		[JsonProperty("filename", NullValueHandling = NullValueHandling.Ignore)]
+		public string Filename { get; set; }
+
+		[JsonProperty("state", NullValueHandling = NullValueHandling.Ignore)]
+		public string State { get; set; }
+
+		[JsonProperty("folder", NullValueHandling = NullValueHandling.Ignore)]
+		public string Folder { get; set; }
+
+		[JsonProperty("high_quality", NullValueHandling = NullValueHandling.Ignore)]
+		public bool? HighQuality { get; set; }
+
+		[JsonProperty("width", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Width { get; set; }
+
+		[JsonProperty("height", NullValueHandling = NullValueHandling.Ignore)]
+		public long? Height { get; set; }
+
+		[JsonProperty("updated_at", NullValueHandling = NullValueHandling.Ignore)]
+		public DateTimeOffset? UpdatedAt { get; set; }
+
+		[JsonProperty("recording_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri RecordingUrl { get; set; }
+
+		[JsonProperty("url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri Url { get; set; }
+
+		[JsonProperty("event_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri EventUrl { get; set; }
+
+		[JsonProperty("conference_url", NullValueHandling = NullValueHandling.Ignore)]
+		public Uri ConferenceUrl { get; set; }
+	}
+
+	public partial class Talk {
+		public static Talk FromJson(string json) => JsonConvert.DeserializeObject<Talk>(json, Converter.Settings);
+	}
+
+	public static partial class Serialize {
+		public static string ToJson(this Talk self) => JsonConvert.SerializeObject(self, Converter.Settings);
+	}
+}

appsettings.Development.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}

appsettings.json

@@ -0,0 +1,10 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}

c3stream.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net;
+using c3stream.Pages;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Hosting;
+
+namespace c3stream {
+	public static class c3stream {
+		public const  string DataPath  = "data";
+		public const  string DbFile    = "c3stream.user.json";
+		public const  string CachePath = "/mnt/storage/archive/Video/congress/";
+		public const  string CacheUrl  = "https://c3stream-mirror.zotan.services/";
+		public static object Lock      = new object();
+		public static string DbPath    = Path.Combine(DataPath, DbFile);
+
+		public static List<ConferenceObject> Conferences = new List<ConferenceObject> {
+			new ConferenceObject("rc3", true),
+			new ConferenceObject("36c3"),
+			new ConferenceObject("camp2019"),
+			new ConferenceObject("gpn19"),
+			new ConferenceObject("35c3"),
+			new ConferenceObject("34c3"),
+			new ConferenceObject("33c3"),
+			new ConferenceObject("32c3"),
+			new ConferenceObject("31c3"),
+			new ConferenceObject("30c3")
+		};
+
+		public static void Main(string[] args) {
+			if (!Directory.Exists(DataPath))
+				Directory.CreateDirectory(DataPath);
+			if (!File.Exists(DbPath))
+				ConferenceModel.WriteUserData();
+
+			foreach (var conference in Conferences)
+				UpdateConference(conference);
+
+			if (args.Length != 0) {
+				if (args[0] == "logo")
+					foreach (var conference in Conferences) {
+						Console.WriteLine($"wget {conference.LogoUri} -O {Path.Combine(CachePath, conference.Acronym, "logo.png")}");
+					}
+				else if (Conferences.All(p => p.Acronym != args[0]))
+					Console.WriteLine("No matching conference found.");
+				else
+					foreach (var talk in Conferences.First(p => p.Acronym == args[0]).Talks)
+						Console.WriteLine($"youtube-dl -f \"best[ext = mp4]\" {talk.FrontendLink} -o \"{Path.Combine(CachePath, args[0], talk.Slug)}.mp4\"");
+			}
+			else {
+				CreateHostBuilder(args).Build().Run();
+			}
+		}
+
+		public static void UpdateConference(ConferenceObject conference) {
+			using var wc = new WebClient();
+
+			var jsonpath = Path.Combine(DataPath, conference.Acronym + "_index.json");
+			var json     = "";
+			if (!File.Exists(jsonpath)) {
+				json = wc.DownloadString($"https://api.media.ccc.de/public/conferences/{conference.Acronym}");
+				File.WriteAllText(jsonpath, json);
+			}
+			else if (conference.Ongoing) {
+				json = wc.DownloadString($"https://api.media.ccc.de/public/conferences/{conference.Acronym}");
+			}
+			else {
+				json = File.ReadAllText(jsonpath);
+			}
+
+			var parsed = Conference.FromJson(json);
+			lock (Lock) {
+				conference.Talks.Clear();
+				conference.LogoUri = parsed.LogoUrl.AbsoluteUri;
+				conference.Talks.AddRange(parsed.Events);
+				conference.Talks.ForEach(p => p.Guid = p.Guid.Trim());
+			}
+		}
+
+		public static void UpdateCookie(HttpRequest request, HttpResponse response, string redirectUri) {
+			//if new bookmark is in uri
+			if (request.Query.ContainsKey("bookmark") && Guid.TryParseExact(request.Query["bookmark"], "D", out _)) {
+				response.Cookies.Append("bookmark", request.Query["bookmark"], new CookieOptions {Expires = DateTimeOffset.MaxValue});
+			}
+			//if no cookie exists or cookie is invalid
+			else if (!request.Cookies.ContainsKey("bookmark") || !Guid.TryParseExact(request.Cookies["bookmark"], "D", out _)) {
+				var guid = Guid.NewGuid().ToString();
+				response.Cookies.Append("bookmark", guid, new CookieOptions {Expires = DateTimeOffset.MaxValue});
+			}
+
+			if (request.Query.ContainsKey("bookmark")) {
+				response.Redirect(redirectUri);
+			}
+		}
+
+		public static Event GetEventByGuid(string guid) {
+			return Conferences.SelectMany(c => c.Talks.Where(talk => talk.Guid.ToString() == guid)).FirstOrDefault();
+		}
+
+		public static ConferenceObject GetConferenceByEventGuid(string guid) {
+			return Conferences.FirstOrDefault(c => c.Talks.Any(t => t.Guid.ToString() == guid));
+		}
+
+		public static IHostBuilder CreateHostBuilder(string[] args) =>
+			Host.CreateDefaultBuilder(args).ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });
+
+		public class ConferenceObject {
+			public string      Acronym;
+			public bool        Ongoing;
+			public string      LogoUri;
+			public List<Event> Talks = new List<Event>();
+
+			public ConferenceObject(string acronym, bool ongoing = false) {
+				Acronym = acronym;
+				Ongoing = ongoing;
+			}
+		}
+	}
+}

c3stream.csproj

@@ -0,0 +1,36 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <_ContentIncludedByDefault Remove="data\database.json" />
+      <_ContentIncludedByDefault Remove="data\_c3stream.json" />
+      <_ContentIncludedByDefault Remove="data\33c3.json" />
+      <_ContentIncludedByDefault Remove="data\34c3.json" />
+      <_ContentIncludedByDefault Remove="data\35c3.json" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Compile Remove="data\**" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <EmbeddedResource Remove="data\**" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <None Remove="data\**" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Content Remove="data\**" />
+    </ItemGroup>
+
+
+</Project>

c3stream.csproj.DotSettings.user

@@ -0,0 +1,4 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/WebPathMapping/IgnoredPaths/=WWWROOT_005C_0020_002B_0020FILE_002EFILENAME/@EntryIndexedValue">wwwroot\ + file.Filename</s:String>
+	
+	<s:String x:Key="/Default/CodeInspection/WebPathMapping/PathsInCorrectCasing/=WWWROOT_005C_0020_002B_0020FILE_002EFILENAME/@EntryIndexedValue">wwwroot\ + file.Filename</s:String></wpf:ResourceDictionary>

c3stream.sln

@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "c3stream", "c3stream.csproj", "{BC6A24FE-B35F-4F0A-8E8E-221E61E41EEF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BC6A24FE-B35F-4F0A-8E8E-221E61E41EEF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BC6A24FE-B35F-4F0A-8E8E-221E61E41EEF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BC6A24FE-B35F-4F0A-8E8E-221E61E41EEF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BC6A24FE-B35F-4F0A-8E8E-221E61E41EEF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

wwwroot/css/site.css

@@ -0,0 +1,110 @@
+/* Please see documentation at https://docs.microsoft.com/aspnet/core/client-side/bundling-and-minification
+for details on configuring this project to bundle and minify static web assets. */
+
+a.navbar-brand {
+    color: #e3d7c0 !important;
+    white-space: normal;
+    text-align: center;
+    word-break: break-all;
+}
+
+a:not(.btn):not(.navbar-brand) {
+    color: #7ca9c8 !important;
+}
+
+.navbar {
+    color: #ebddc4 !important;
+    background-color: #1b1b18 !important;
+    border-color: #3c3d3c !important;
+}
+
+/* Sticky footer styles
+-------------------------------------------------- */
+html {
+    font-size: 14px;
+}
+
+@media (min-width: 768px) {
+    html {
+        font-size: 16px;
+    }
+}
+
+.box-shadow {
+    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05);
+}
+
+button.accept-policy {
+    font-size: 1rem;
+    line-height: inherit;
+}
+
+/* Sticky footer styles
+-------------------------------------------------- */
+html {
+    position: relative;
+    min-height: 100%;
+}
+
+body {
+    /* Margin bottom by footer height */
+    margin-bottom: 60px;
+    color: #ebddc4 !important;
+    background-color: #1b1b18 !important;
+}
+
+.table {
+    color: #ebddc4 !important;
+}
+
+.footer {
+    position: absolute;
+    bottom: 0;
+    width: 100%;
+    white-space: nowrap;
+    line-height: 60px; /* Vertically center the text there */
+}
+
+.table td {
+    vertical-align: middle;
+    border-color: #3c3d3c !important;
+}
+
+.table th {
+    vertical-align: middle;
+    border-color: #3c3d3c !important;
+}
+
+.btn-primary.disabled {
+    color: #afafa2;
+    border-color: #3c6385;
+    background-color: #254667 !important;
+    opacity: 1;
+    border-top-color: #254667 !important;
+    border-bottom-color: #254667 !important;
+}
+
+.btn-primary {
+    color: #ffffff;
+    border-color: #3c6385;
+    background-color: #375a7a;
+    width: 42px !important;
+}
+
+.btn-primary:hover, .btn-primary:focus, .btn-primary:active, .btn-primary.active, .open > .dropdown-toggle.btn-primary {
+    color: #ffffff;
+    border-color: #3c6385;
+    background-color: #2c5f93;
+}
+
+.border-top {
+    border-top-color: #3c3d3c !important;
+}
+
+code {
+    color: #cB6d87 !important;
+}
+
+.fa-times {
+    
+}

wwwroot/js/site.js

@@ -0,0 +1,26 @@
+// Please see documentation at https://docs.microsoft.com/aspnet/core/client-side/bundling-and-minification
+// for details on configuring this project to bundle and minify static web assets.
+
+// Write your Javascript code.
+
+function SetState(guid, state) {
+    $.get("/Conference?state=" + state + "&guid=" + guid, function (data, status) {
+        location.reload();
+    });
+}
+
+function copyToClipboard(field) {
+    let textarea = document.createElement('textarea');
+    textarea.id = 't';
+    textarea.style.height = "0";
+    document.body.appendChild(textarea);
+    textarea.value = field.innerText;
+    let selector = document.querySelector('#t');
+    selector.select();
+    document.execCommand('copy');
+    document.body.removeChild(textarea);
+}
+
+$(function () {
+    $('[data-toggle="tooltip"]').tooltip()
+});

wwwroot/lib/bootstrap/LICENSE

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2018 Twitter, Inc.
+Copyright (c) 2011-2018 The Bootstrap Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

wwwroot/lib/bootstrap/dist/css/bootstrap-reboot.css

@@ -0,0 +1,331 @@
+/*!
+ * Bootstrap Reboot v4.3.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 The Bootstrap Authors
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
+*,
+*::before,
+*::after {
+  box-sizing: border-box;
+}
+
+html {
+  font-family: sans-serif;
+  line-height: 1.15;
+  -webkit-text-size-adjust: 100%;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
+
+article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
+  display: block;
+}
+
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+  font-size: 1rem;
+  font-weight: 400;
+  line-height: 1.5;
+  color: #212529;
+  text-align: left;
+  background-color: #fff;
+}
+
+[tabindex="-1"]:focus {
+  outline: 0 !important;
+}
+
+hr {
+  box-sizing: content-box;
+  height: 0;
+  overflow: visible;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: 0.5rem;
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+abbr[title],
+abbr[data-original-title] {
+  text-decoration: underline;
+  -webkit-text-decoration: underline dotted;
+  text-decoration: underline dotted;
+  cursor: help;
+  border-bottom: 0;
+  -webkit-text-decoration-skip-ink: none;
+  text-decoration-skip-ink: none;
+}
+
+address {
+  margin-bottom: 1rem;
+  font-style: normal;
+  line-height: inherit;
+}
+
+ol,
+ul,
+dl {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+ol ol,
+ul ul,
+ol ul,
+ul ol {
+  margin-bottom: 0;
+}
+
+dt {
+  font-weight: 700;
+}
+
+dd {
+  margin-bottom: .5rem;
+  margin-left: 0;
+}
+
+blockquote {
+  margin: 0 0 1rem;
+}
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+small {
+  font-size: 80%;
+}
+
+sub,
+sup {
+  position: relative;
+  font-size: 75%;
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -.25em;
+}
+
+sup {
+  top: -.5em;
+}
+
+a {
+  color: #007bff;
+  text-decoration: none;
+  background-color: transparent;
+}
+
+a:hover {
+  color: #0056b3;
+  text-decoration: underline;
+}
+
+a:not([href]):not([tabindex]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus {
+  color: inherit;
+  text-decoration: none;
+}
+
+a:not([href]):not([tabindex]):focus {
+  outline: 0;
+}
+
+pre,
+code,
+kbd,
+samp {
+  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  font-size: 1em;
+}
+
+pre {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  overflow: auto;
+}
+
+figure {
+  margin: 0 0 1rem;
+}
+
+img {
+  vertical-align: middle;
+  border-style: none;
+}
+
+svg {
+  overflow: hidden;
+  vertical-align: middle;
+}
+
+table {
+  border-collapse: collapse;
+}
+
+caption {
+  padding-top: 0.75rem;
+  padding-bottom: 0.75rem;
+  color: #6c757d;
+  text-align: left;
+  caption-side: bottom;
+}
+
+th {
+  text-align: inherit;
+}
+
+label {
+  display: inline-block;
+  margin-bottom: 0.5rem;
+}
+
+button {
+  border-radius: 0;
+}
+
+button:focus {
+  outline: 1px dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+}
+
+input,
+button,
+select,
+optgroup,
+textarea {
+  margin: 0;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+button,
+input {
+  overflow: visible;
+}
+
+button,
+select {