Rpc Basic Auth (#14)

* Rpc Basic Auth * change plugin name to RpcSecurity
neo-project · Oct 9, 2018 · 6a1c71b · 6a1c71b · vncoelho · Oct 10, 2018
1 parent 6cf3826
commit 6a1c71b
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Showing 6 changed files with 55 additions and 21 deletions.
diff --git a/RpcDisabled/RpcDisabled.cs b/RpcDisabled/RpcDisabled.cs
diff --git a/RpcSecurity/RpcSecurity.cs b/RpcSecurity/RpcSecurity.cs
@@ -0,0 +1,46 @@
+using Microsoft.AspNetCore.Http;
+using Neo.IO.Json;
+using Neo.Network.RPC;
+using System;
+using System.Linq;
+using System.Text;
+
+namespace Neo.Plugins
+{
+    public class RpcSecurity : Plugin, IRpcPlugin
+    {
+        public JObject OnProcess(HttpContext context, string method, JArray _params)
+        {
+            if (!CheckAuth(context) || Settings.Default.DisabledMethods.Contains(method))
+                throw new RpcException(-400, "Access denied");
+            return null;
+        }
+
+        private bool CheckAuth(HttpContext context)
+        {
+            if (string.IsNullOrEmpty(Settings.Default.RpcUser))
+            {
+                return true;
+            }
+
+            context.Response.Headers["WWW-Authenticate"] = "Basic realm=\"Restricted\"";
+
+            string reqauth = context.Request.Headers["Authorization"];
+            string authstring = null;
+            try
+            {
+                authstring = Encoding.UTF8.GetString(Convert.FromBase64String(reqauth.Replace("Basic ", "").Trim()));
+            }
+            catch
+            {
+                return false;
+            }
+
+            string[] authvalues = authstring.Split(new string[] { ":" }, StringSplitOptions.RemoveEmptyEntries);
+            if (authvalues.Length < 2)
+                return false;
+
+            return authvalues[0] == Settings.Default.RpcUser && authvalues[1] == Settings.Default.RpcPass;
+        }
+    }
+}
diff --git a/RpcDisabled/RpcDisabled.csproj → RpcSecurity/RpcSecurity.csproj b/RpcDisabled/RpcDisabled.csproj → RpcSecurity/RpcSecurity.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Update="RpcDisabled\config.json">
+    <None Update="RpcSecurity\config.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
       <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
     </None>

diff --git a/RpcDisabled/RpcDisabled/config.json → RpcSecurity/RpcSecurity/config.json b/RpcDisabled/RpcDisabled/config.json → RpcSecurity/RpcSecurity/config.json
@@ -1,5 +1,7 @@
 {
   "PluginConfiguration": {
+    "RpcUser": "",
+    "RpcPass": "",
     "DisabledMethods": []
   }
 }
diff --git a/RpcDisabled/Settings.cs → RpcSecurity/Settings.cs b/RpcDisabled/Settings.cs → RpcSecurity/Settings.cs
@@ -6,6 +6,8 @@ namespace Neo.Plugins
 {
     internal class Settings
     {
+        public string RpcUser { get; }
+        public string RpcPass { get; }
         public string[] DisabledMethods { get; }
 
         public static Settings Default { get; }
@@ -17,6 +19,8 @@ static Settings()
 
         public Settings(IConfigurationSection section)
         {
+            this.RpcUser = section.GetSection("RpcUser").Value;
+            this.RpcPass = section.GetSection("RpcPass").Value;
             this.DisabledMethods = section.GetSection("DisabledMethods").GetChildren().Select(p => p.Value).ToArray();
         }
     }

diff --git a/neo-plugins.sln b/neo-plugins.sln
@@ -7,11 +7,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SimplePolicy", "SimplePolic
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ApplicationLogs", "ApplicationLogs\ApplicationLogs.csproj", "{84DA8EA6-EF60-4FCD-B1C6-65C1A8323B3F}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RpcDisabled", "RpcDisabled\RpcDisabled.csproj", "{6800D782-8EC0-49E9-98C4-195C8F781A1F}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RpcSecurity", "RpcSecurity\RpcSecurity.csproj", "{6800D782-8EC0-49E9-98C4-195C8F781A1F}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StatesDumper", "StatesDumper\StatesDumper.csproj", "{86531DB1-A231-46C4-823F-BE60972F7523}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImportBlocks", "ImportBlocks\ImportBlocks.csproj", "{B7A42984-57BB-4F8D-967B-23B0E841B726}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ImportBlocks", "ImportBlocks\ImportBlocks.csproj", "{B7A42984-57BB-4F8D-967B-23B0E841B726}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution