Add sshd service so we can test SSH stuff as well

BTCPayServer.Tests/BTCPayServerTester.cs

@@ -118,6 +118,12 @@ namespace BTCPayServer.Tests
             config.AppendLine($"ltc.explorer.url={LTCNBXplorerUri.AbsoluteUri}");
             config.AppendLine($"ltc.explorer.cookiefile=0");
             config.AppendLine($"btc.lightning={IntegratedLightning.AbsoluteUri}");
+            if (!string.IsNullOrEmpty(SSHPassword) && string.IsNullOrEmpty(SSHKeyFile))
+                config.AppendLine($"sshpassword={SSHPassword}");
+            if (!string.IsNullOrEmpty(SSHKeyFile))
+                config.AppendLine($"sshkeyfile={SSHKeyFile}");
+            if (!string.IsNullOrEmpty(SSHConnection))
+                config.AppendLine($"sshconnection={SSHConnection}");
 
             if (TestDatabase == TestDatabases.MySQL && !String.IsNullOrEmpty(MySQL))
                 config.AppendLine($"mysql=" + MySQL);
@@ -280,8 +286,11 @@ namespace BTCPayServer.Tests
             return _Host.Services.GetRequiredService<T>();
         }
 
-        public IServiceProvider ServiceProvider => _Host.Services; 
+        public IServiceProvider ServiceProvider => _Host.Services;
 
+        public string SSHPassword { get; internal set; }
+        public string SSHKeyFile { get; internal set; }
+        public string SSHConnection { get; set; }
         public T GetController<T>(string userId = null, string storeId = null, Claim[] additionalClaims = null) where T : Controller
         {
             var context = new DefaultHttpContext();

BTCPayServer.Tests/SeleniumTests.cs

@@ -7,6 +7,7 @@ using Xunit.Abstractions;
 using OpenQA.Selenium.Interactions;
 using System.Linq;
 using NBitcoin;
+using System.Threading.Tasks;
 
 namespace BTCPayServer.Tests
 {
@@ -94,6 +95,27 @@ namespace BTCPayServer.Tests
             s.Driver.FindElement(By.Id("LoginButton")).Click();
             s.Driver.AssertNoError();
         }
+        [Fact]
+        public async Task CanUseSSHService()
+        {
+            using (var s = SeleniumTester.Create())
+            {
+                s.Start();
+                var alice = s.RegisterNewUser(isAdmin: true);
+                s.Driver.Navigate().GoToUrl(s.Link("/server/services"));
+                Assert.Contains("server/services/ssh", s.Driver.PageSource);
+                using (var client = await s.Server.PayTester.GetService<BTCPayServer.Configuration.BTCPayServerOptions>().SSHSettings.ConnectAsync())
+                {
+                    var result = await client.RunBash("echo hello");
+                    Assert.Equal(string.Empty, result.Error);
+                    Assert.Equal("hello\n", result.Output);
+                    Assert.Equal(0, result.ExitStatus);
+                }
+                s.Driver.Navigate().GoToUrl(s.Link("/server/services/ssh"));
+                s.Driver.AssertNoError();
+            }
+        }
+
         [Fact]
         public void CanUseDynamicDns()
         {

BTCPayServer.Tests/ServerTester.cs

@@ -71,6 +71,10 @@ namespace BTCPayServer.Tests
             PayTester.Port = int.Parse(GetEnvironment("TESTS_PORT", Utils.FreeTcpPort().ToString(CultureInfo.InvariantCulture)), CultureInfo.InvariantCulture);
             PayTester.HostName = GetEnvironment("TESTS_HOSTNAME", "127.0.0.1");
             PayTester.InContainer = bool.Parse(GetEnvironment("TESTS_INCONTAINER", "false"));
+
+            PayTester.SSHPassword = GetEnvironment("TESTS_SSHPASSWORD", "opD3i2282D");
+            PayTester.SSHKeyFile = GetEnvironment("TESTS_SSHKEYFILE", "");
+            PayTester.SSHConnection = GetEnvironment("TESTS_SSHCONNECTION", "root@127.0.0.1:21622");
         }
 
         public bool Dockerized

BTCPayServer.Tests/docker-compose.yml

@@ -25,6 +25,9 @@ services:
       TEST_MERCHANTCHARGE: "type=charge;server=http://lightning-charged:9112/;api-token=foiewnccewuify"
       TEST_MERCHANTLND: "https://lnd:lnd@merchant_lnd:8080/"
       TESTS_INCONTAINER: "true"
+      TESTS_SSHCONNECTION: "root@sshd:21622"
+      TESTS_SSHPASSWORD: ""
+      TESTS_SSHKEYFILE: ""
     expose:
       - "80"
     links:
@@ -32,6 +35,7 @@ services:
     extra_hosts: 
       - "tests:127.0.0.1"
     volumes:
+      - "sshd_datadir:/root/.ssh"
       - "customer_lightningd_datadir:/etc/customer_lightningd_datadir"
       - "merchant_lightningd_datadir:/etc/merchant_lightningd_datadir"
 
@@ -46,6 +50,18 @@ services:
       - lightning-charged
       - customer_lnd
       - merchant_lnd
+      - sshd
+
+  sshd:
+    build:
+        context: .
+        dockerfile: sshd.Dockerfile
+    ports:
+        - "21622:22"
+    expose:
+        - 22
+    volumes:
+        - "sshd_datadir:/root/.ssh"
 
   devlnd: 
     image: btcpayserver/bitcoin:0.18.0
@@ -270,6 +286,7 @@ services:
       - bitcoind
 
 volumes:
+    sshd_datadir:
     bitcoin_datadir:
     customer_lightningd_datadir:
     merchant_lightningd_datadir:

BTCPayServer.Tests/sshd.Dockerfile

@@ -0,0 +1,12 @@
+FROM alpine:3.8
+
+RUN apk add --no-cache openssh sudo bash
+RUN ssh-keygen -f /root/.ssh/id_rsa -t rsa -q -P "" -m PEM
+RUN echo 'root:opD3i2282D' | chpasswd
+RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
+RUN ssh-keygen -f /etc/ssh/ssh_host_rsa_key -N '' -t rsa && \
+    ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N '' -t dsa && \
+    ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N '' -t ecdsa && \
+    ssh-keygen -f /etc/ssh/ssh_host_ed25519_key -N '' -t ed25519
+
+CMD ["/usr/sbin/sshd", "-D"]

BTCPayServer/Properties/launchSettings.json

@@ -41,7 +41,9 @@
                 "ASPNETCORE_ENVIRONMENT": "Development",
                 "BTCPAY_CHAINS": "btc,ltc",
                 "BTCPAY_POSTGRES": "User ID=postgres;Host=127.0.0.1;Port=39372;Database=btcpayserver",
-                "BTCPAY_EXTERNALSERVICES": "totoservice:totolink;"
+                "BTCPAY_EXTERNALSERVICES": "totoservice:totolink;",
+                "BTCPAY_SSHCONNECTION": "root@127.0.0.1:21622",
+                "BTCPAY_SSHPASSWORD": "opD3i2282D"
             },
             "applicationUrl": "https://localhost:14142/"
         }