Merge pull request #4767 from nyanmisaka/fix-ssl-save

(cherry picked from commit f9a78625b7cfc09a7fc3a35b7d54749543ab5c62)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

Emby.Server.Implementations/ApplicationHost.cs

@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
@@ -284,13 +285,6 @@ namespace Emby.Server.Implementations
 
             fileSystem.AddShortcutHandler(new MbLinkShortcutHandler(fileSystem));
 
-            CertificateInfo = new CertificateInfo
-            {
-                Path = ServerConfigurationManager.Configuration.CertificatePath,
-                Password = ServerConfigurationManager.Configuration.CertificatePassword
-            };
-            Certificate = GetCertificate(CertificateInfo);
-
             ApplicationVersion = typeof(ApplicationHost).Assembly.GetName().Version;
             ApplicationVersionString = ApplicationVersion.ToString(3);
             ApplicationUserAgent = Name.Replace(' ', '-') + "/" + ApplicationVersionString;
@@ -456,6 +450,7 @@ namespace Emby.Server.Implementations
             Resolve<ITaskManager>().AddTasks(GetExports<IScheduledTask>(false));
 
             ConfigurationManager.ConfigurationUpdated += OnConfigurationUpdated;
+            ConfigurationManager.NamedConfigurationUpdated += OnConfigurationUpdated;
 
             _mediaEncoder.SetFFmpegPath();
 
@@ -505,6 +500,13 @@ namespace Emby.Server.Implementations
                 HttpsPort = NetworkConfiguration.DefaultHttpsPort;
             }
 
+            CertificateInfo = new CertificateInfo
+            {
+                Path = networkConfiguration.CertificatePath,
+                Password = networkConfiguration.CertificatePassword
+            };
+            Certificate = GetCertificate(CertificateInfo);
+
             DiscoverTypes();
 
             RegisterServices();
@@ -912,11 +914,11 @@ namespace Emby.Server.Implementations
         protected void OnConfigurationUpdated(object sender, EventArgs e)
         {
             var requiresRestart = false;
+            var networkConfiguration = ServerConfigurationManager.GetNetworkConfiguration();
 
             // Don't do anything if these haven't been set yet
             if (HttpPort != 0 && HttpsPort != 0)
             {
-                var networkConfiguration = ServerConfigurationManager.GetNetworkConfiguration();
                 // Need to restart if ports have changed
                 if (networkConfiguration.HttpServerPortNumber != HttpPort ||
                     networkConfiguration.HttpsPortNumber != HttpsPort)
@@ -936,10 +938,7 @@ namespace Emby.Server.Implementations
                 requiresRestart = true;
             }
 
-            var currentCertPath = CertificateInfo?.Path;
-            var newCertPath = ServerConfigurationManager.Configuration.CertificatePath;
-
-            if (!string.Equals(currentCertPath, newCertPath, StringComparison.OrdinalIgnoreCase))
+            if (ValidateSslCertificate(networkConfiguration))
             {
                 requiresRestart = true;
             }
@@ -952,6 +951,33 @@ namespace Emby.Server.Implementations
             }
         }
 
+        /// <summary>
+        /// Validates the SSL certificate.
+        /// </summary>
+        /// <param name="networkConfig">The new configuration.</param>
+        /// <exception cref="FileNotFoundException">The certificate path doesn't exist.</exception>
+        private bool ValidateSslCertificate(NetworkConfiguration networkConfig)
+        {
+            var newPath = networkConfig.CertificatePath;
+
+            if (!string.IsNullOrWhiteSpace(newPath)
+                && !string.Equals(CertificateInfo?.Path, newPath, StringComparison.Ordinal))
+            {
+                if (File.Exists(newPath))
+                {
+                    return true;
+                }
+                
+                throw new FileNotFoundException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "Certificate file '{0}' does not exist.",
+                        newPath));
+            }
+
+            return false;
+        }
+
         /// <summary>
         /// Notifies that the kernel that a change has been made that requires a restart.
         /// </summary>

Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs

@@ -88,38 +88,12 @@ namespace Emby.Server.Implementations.Configuration
             var newConfig = (ServerConfiguration)newConfiguration;
 
             ValidateMetadataPath(newConfig);
-            ValidateSslCertificate(newConfig);
 
             ConfigurationUpdating?.Invoke(this, new GenericEventArgs<ServerConfiguration>(newConfig));
 
             base.ReplaceConfiguration(newConfiguration);
         }
 
-        /// <summary>
-        /// Validates the SSL certificate.
-        /// </summary>
-        /// <param name="newConfig">The new configuration.</param>
-        /// <exception cref="FileNotFoundException">The certificate path doesn't exist.</exception>
-        private void ValidateSslCertificate(BaseApplicationConfiguration newConfig)
-        {
-            var serverConfig = (ServerConfiguration)newConfig;
-
-            var newPath = serverConfig.CertificatePath;
-
-            if (!string.IsNullOrWhiteSpace(newPath)
-                && !string.Equals(Configuration.CertificatePath, newPath, StringComparison.Ordinal))
-            {
-                if (!File.Exists(newPath))
-                {
-                    throw new FileNotFoundException(
-                        string.Format(
-                            CultureInfo.InvariantCulture,
-                            "Certificate file '{0}' does not exist.",
-                            newPath));
-                }
-            }
-        }
-
         /// <summary>
         /// Validates the metadata path.
         /// </summary>

Jellyfin.Networking/Configuration/NetworkConfiguration.cs

@@ -27,6 +27,16 @@ namespace Jellyfin.Networking.Configuration
         /// </summary>
         public bool RequireHttps { get; set; }
 
+        /// <summary>
+        /// Gets or sets the filesystem path of an X.509 certificate to use for SSL.
+        /// </summary>
+        public string CertificatePath { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the password required to access the X.509 certificate data in the file specified by <see cref="CertificatePath"/>.
+        /// </summary>
+        public string CertificatePassword { get; set; } = string.Empty;
+
         /// <summary>
         /// Gets or sets a value used to specify the URL prefix that your Jellyfin instance can be accessed at.
         /// </summary>
@@ -83,7 +93,7 @@ namespace Jellyfin.Networking.Configuration
         /// </summary>
         /// <remarks>
         /// In order for HTTPS to be used, in addition to setting this to true, valid values must also be
-        /// provided for <see cref="ServerConfiguration.CertificatePath"/> and <see cref="ServerConfiguration.CertificatePassword"/>.
+        /// provided for <see cref="CertificatePath"/> and <see cref="CertificatePassword"/>.
         /// </remarks>
         public bool EnableHttps { get; set; }