core: add an option to disable proxy. resolves #8138 (#9660)

src/Jackett.Common/Content/custom.js

@@ -85,6 +85,7 @@ function loadJackettSettings() {
         $("#jackett-proxy-port").val(data.proxy_port);
         $("#jackett-proxy-username").val(data.proxy_username);
         $("#jackett-proxy-password").val(data.proxy_password);
+        proxyWarning(data.proxy_type);
 
         $("#jackett-basepathoverride").val(data.basepathoverride);
         basePath = data.basepathoverride;
@@ -114,10 +115,9 @@ function loadJackettSettings() {
         $.each(data.notices, function (index, value) {
             console.log(value);
             doNotify(value, "danger", "glyphicon glyphicon-alert", false);
-        })
+        });
 
         reloadIndexers();
-        proxyWarning(data.proxy_url);
     });
 }
 
@@ -1241,7 +1241,7 @@ function bindUIButtons() {
             doNotify("Redirecting you to complete configuration update..", "success", "glyphicon glyphicon-ok");
             window.setTimeout(function () {
                 window.location.reload(true);
-            }, 3000);
+            }, 5000);
         }).fail(function (data) {
             if (data.responseJSON !== undefined && data.responseJSON.result == "error") {
                 doNotify("Error: " + data.responseJSON.error, "danger", "glyphicon glyphicon-alert");
@@ -1284,13 +1284,13 @@ function bindUIButtons() {
         });
     });
 
-    $('#jackett-proxy-url').on('input', function () {
+    $('#jackett-proxy-type').on('input', function () {
         proxyWarning($(this).val());
     });
 }
 
 function proxyWarning(input) {
-    if (input != null && input.trim() !== "") {
+    if (input != null && input.toString().trim() !== "-1") { // disabled = -1
         $('#proxy-warning').show();
     }
     else

src/Jackett.Common/Content/index.html

@@ -143,9 +143,10 @@
         <div class="input-area">
             <span class="input-header">Proxy type: </span>
             <select id="jackett-proxy-type" class="form-control input-right">
-                <option value="0">http</option>
+                <option value="-1">Disabled</option>
-                <option value="1">socks4</option>
+                <option value="0">HTTP</option>
-                <option value="2">socks5</option>
+                <option value="1">SOCKS4</option>
+                <option value="2">SOCKS5</option>
             </select>
         </div>
         <div id="proxy-warning" hidden>
@@ -154,8 +155,8 @@
             </span>
         </div>
         <div class="input-area">
-            <span class="input-header">Proxy url: </span>
+            <span class="input-header">Proxy URL: </span>
-            <input id="jackett-proxy-url" class="form-control input-right" type="text" value="" placeholder="Blank to disable">
+            <input id="jackett-proxy-url" class="form-control input-right" type="text" value="" placeholder="">
         </div>
         <div class="input-area">
             <span class="input-header">Proxy port: </span>
@@ -691,6 +692,6 @@
     </script>
 
     <script type="text/javascript" src="../libs/api.js?changed=2017083001"></script>
-    <script type="text/javascript" src="../custom.js?changed=20200410"></script>
+    <script type="text/javascript" src="../custom.js?changed=20200926"></script>
 </body>
 </html>

src/Jackett.Common/Models/Config/ProxyType.cs

@@ -2,8 +2,9 @@ namespace Jackett.Common.Models.Config
 {
     public enum ProxyType
     {
+        Disabled = -1,
         Http,
         Socks4,
-        Socks5,
+        Socks5
     }
 }

src/Jackett.Common/Models/Config/ServerConfig.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Runtime.Serialization;
 using Newtonsoft.Json;
 
 namespace Jackett.Common.Models.Config
@@ -17,6 +18,13 @@ namespace Jackett.Common.Models.Config
             RuntimeSettings = runtimeSettings;
         }
 
+        [OnDeserialized]
+        internal void OnDeserializedMethod(StreamingContext context)
+        {
+            if (string.IsNullOrWhiteSpace(ProxyUrl))
+                ProxyType = ProxyType.Disabled;
+        }
+
         public int Port { get; set; }
         public bool AllowExternal { get; set; }
         public string APIKey { get; set; }
@@ -36,8 +44,8 @@ namespace Jackett.Common.Models.Config
         [JsonIgnore]
         public RuntimeSettings RuntimeSettings { get; set; }
 
-        public string ProxyUrl { get; set; }
         public ProxyType ProxyType { get; set; }
+        public string ProxyUrl { get; set; }
         public int? ProxyPort { get; set; }
         public string ProxyUsername { get; set; }
         public string ProxyPassword { get; set; }
@@ -49,34 +57,33 @@ namespace Jackett.Common.Models.Config
                 ? $"{ProxyUsername}:{ProxyPassword}"
                 : null;
 
-        public string GetProxyUrl(bool withCreds = false)
+        public string GetProxyUrl(bool withCreds = true)
         {
             var url = ProxyUrl;
-            if (string.IsNullOrWhiteSpace(url))
+
-            {
+            // if disabled
+            if (ProxyType == ProxyType.Disabled || string.IsNullOrWhiteSpace(url))
                 return null;
-            }
+
-            //remove protocol from url
+            // remove protocol from url
-            var index = url.IndexOf("://");
+            var index = url.IndexOf("://", StringComparison.Ordinal);
             if (index > -1)
-            {
                 url = url.Substring(index + 3);
-            }
+
+            // add port
             url = ProxyPort.HasValue ? $"{url}:{ProxyPort}" : url;
 
+            // add credentials
             var authString = GetProxyAuthString();
             if (withCreds && authString != null)
-            {
                 url = $"{authString}@{url}";
-            }
 
-            if (ProxyType != ProxyType.Http)
+            // add protocol
+            if (ProxyType == ProxyType.Socks4 || ProxyType == ProxyType.Socks5)
             {
                 var protocol = (Enum.GetName(typeof(ProxyType), ProxyType) ?? "").ToLower();
                 if (!string.IsNullOrEmpty(protocol))
-                {
                     url = $"{protocol}://{url}";
-                }
             }
             return url;
         }

src/Jackett.Common/Utils/Clients/WebClient.cs

@@ -37,45 +37,44 @@ namespace Jackett.Common.Utils.Clients
             if (webProxy is SocksWebProxy proxy)
                 proxy.Dispose();
             webProxy = null;
-            webProxyUrl = serverConfig.GetProxyUrl();
-            if (!string.IsNullOrWhiteSpace(webProxyUrl))
-            {
-                if (serverConfig.ProxyType != ProxyType.Http)
-                {
-                    var addresses = Dns.GetHostAddressesAsync(serverConfig.ProxyUrl).Result;
-                    var socksConfig = new ProxyConfig
-                    {
-                        SocksAddress = addresses.FirstOrDefault(),
-                        Username = serverConfig.ProxyUsername,
-                        Password = serverConfig.ProxyPassword,
-                        Version = serverConfig.ProxyType == ProxyType.Socks4 ?
-                            ProxyConfig.SocksVersion.Four :
-                            ProxyConfig.SocksVersion.Five
-                    };
-                    if (serverConfig.ProxyPort.HasValue)
-                    {
-                        socksConfig.SocksPort = serverConfig.ProxyPort.Value;
-                    }
-                    webProxy = new SocksWebProxy(socksConfig, false);
-                }
-                else
-                {
-                    NetworkCredential creds = null;
-                    if (!serverConfig.ProxyIsAnonymous)
-                    {
-                        var username = serverConfig.ProxyUsername;
-                        var password = serverConfig.ProxyPassword;
-                        creds = new NetworkCredential(username, password);
-                    }
-                    webProxy = new WebProxy(webProxyUrl)
-                    {
-                        BypassProxyOnLocal = false,
-                        Credentials = creds
-                    };
-                }
-            }
-        }
 
+            webProxyUrl = serverConfig.GetProxyUrl();
+            if (serverConfig.ProxyType == ProxyType.Disabled || string.IsNullOrWhiteSpace(webProxyUrl))
+                return;
+            if (serverConfig.ProxyType == ProxyType.Http)
+            {
+                NetworkCredential creds = null;
+                if (!serverConfig.ProxyIsAnonymous)
+                {
+                    var username = serverConfig.ProxyUsername;
+                    var password = serverConfig.ProxyPassword;
+                    creds = new NetworkCredential(username, password);
+                }
+                webProxy = new WebProxy(serverConfig.GetProxyUrl(false)) // proxy URL without credentials
+                {
+                    BypassProxyOnLocal = false,
+                    Credentials = creds
+                };
+            }
+            else if (serverConfig.ProxyType == ProxyType.Socks4 || serverConfig.ProxyType == ProxyType.Socks5)
+            {
+                var addresses = Dns.GetHostAddressesAsync(serverConfig.ProxyUrl).Result;
+                var socksConfig = new ProxyConfig
+                {
+                    SocksAddress = addresses.FirstOrDefault(),
+                    Username = serverConfig.ProxyUsername,
+                    Password = serverConfig.ProxyPassword,
+                    Version = serverConfig.ProxyType == ProxyType.Socks4 ?
+                        ProxyConfig.SocksVersion.Four :
+                        ProxyConfig.SocksVersion.Five
+                };
+                if (serverConfig.ProxyPort.HasValue)
+                    socksConfig.SocksPort = serverConfig.ProxyPort.Value;
+                webProxy = new SocksWebProxy(socksConfig, false);
+            }
+            else
+                throw new Exception($"Proxy type '{serverConfig.ProxyType}' is not implemented!");
+        }
 
         public double requestDelay
         {

src/Jackett.Server/Controllers/ServerConfigurationController.cs

@@ -122,8 +122,8 @@ namespace Jackett.Server.Controllers
                 if (config.proxy_port < 1 || config.proxy_port > 65535)
                     throw new Exception("The port you have selected is invalid, it must be below 65535.");
 
+                serverConfig.ProxyType = string.IsNullOrWhiteSpace(config.proxy_url) ? ProxyType.Disabled : config.proxy_type;
                 serverConfig.ProxyUrl = config.proxy_url;
-                serverConfig.ProxyType = config.proxy_type;
                 serverConfig.ProxyPort = config.proxy_port;
                 serverConfig.ProxyUsername = config.proxy_username;
                 serverConfig.ProxyPassword = config.proxy_password;

src/Jackett.Server/Services/ServerService.cs

@@ -137,7 +137,7 @@ namespace Jackett.Server.Services
 
                 logger.Info("App config/log directory: " + configService.GetAppDataFolder());
 
-                logger.Info("Using Proxy: " + (string.IsNullOrEmpty(config.ProxyUrl) ? "No" : config.ProxyType.ToString()));
+                logger.Info($"Using proxy: {config.ProxyType}");
 
                 var monotype = Type.GetType("Mono.Runtime");
                 if (monotype != null && !DotNetCoreUtil.IsRunningOnDotNetCore)