[MM-55296] Added warning in Workspace dashboard if Mattermost is running as root (#27999)

Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>

server/channels/api4/system.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"os"
 	"path"
 	"reflect"
 	"runtime"
@@ -144,7 +145,7 @@ func generateSupportPacket(c *Context, w http.ResponseWriter, r *http.Request) {
 func getSystemPing(c *Context, w http.ResponseWriter, r *http.Request) {
 	reqs := c.App.Config().ClientRequirements
 
-	s := make(map[string]string)
+	s := make(map[string]any)
 	s[model.STATUS] = model.StatusOk
 	s["AndroidLatestVersion"] = reqs.AndroidLatestVersion
 	s["AndroidMinVersion"] = reqs.AndroidMinVersion
@@ -196,9 +197,20 @@ func getSystemPing(c *Context, w http.ResponseWriter, r *http.Request) {
 			s[model.STATUS] = model.StatusUnhealthy
 		}
 
-		w.Header().Set(model.STATUS, s[model.STATUS])
-		w.Header().Set(dbStatusKey, s[dbStatusKey])
-		w.Header().Set(filestoreStatusKey, s[filestoreStatusKey])
+		if res, ok := s[model.STATUS].(string); ok {
+			w.Header().Set(model.STATUS, res)
+		}
+		if res, ok := s[dbStatusKey].(string); ok {
+			w.Header().Set(dbStatusKey, res)
+		}
+		if res, ok := s[filestoreStatusKey].(string); ok {
+			w.Header().Set(filestoreStatusKey, res)
+		}
+
+		// Checking if mattermost is running as root, if the user is system admin
+		if c.App.SessionHasPermissionTo(*c.AppContext.Session(), model.PermissionManageSystem) {
+			s["root_status"] = os.Geteuid() == 0
+		}
 	}
 
 	if deviceID := r.FormValue("device_id"); deviceID != "" {
@@ -210,7 +222,8 @@ func getSystemPing(c *Context, w http.ResponseWriter, r *http.Request) {
 	if s[model.STATUS] != model.StatusOk && r.FormValue("use_rest_semantics") != "true" {
 		w.WriteHeader(http.StatusInternalServerError)
 	}
-	w.Write([]byte(model.MapToJSON(s)))
+
+	w.Write(model.ToJSON(s))
 }
 
 func testEmail(c *Context, w http.ResponseWriter, r *http.Request) {

server/channels/api4/system_test.go

@@ -61,34 +61,46 @@ func TestGetPing(t *testing.T) {
 
 	th.TestForAllClients(t, func(t *testing.T, client *model.Client4) {
 		th.App.ReloadConfig()
-		resp, err := client.DoAPIGet(context.Background(), "/system/ping", "")
+		respMap, resp, err := client.GetPingWithOptions(context.Background(), model.SystemPingOptions{})
 		require.NoError(t, err)
 		require.Equal(t, http.StatusOK, resp.StatusCode)
-		respBytes, err := io.ReadAll(resp.Body)
-		require.NoError(t, err)
-		respString := string(respBytes)
-		require.NotContains(t, respString, "TestFeatureFlag")
+		_, ok := respMap["TestFeatureFlag"]
+		assert.Equal(t, false, ok)
 
 		// Run the environment variable override code to test
 		os.Setenv("MM_FEATUREFLAGS_TESTFEATURE", "testvalueunique")
 		defer os.Unsetenv("MM_FEATUREFLAGS_TESTFEATURE")
 		th.App.ReloadConfig()
 
-		resp, err = client.DoAPIGet(context.Background(), "/system/ping", "")
+		respMap, resp, err = client.GetPingWithOptions(context.Background(), model.SystemPingOptions{})
 		require.NoError(t, err)
 		require.Equal(t, http.StatusOK, resp.StatusCode)
-		respBytes, err = io.ReadAll(resp.Body)
-		require.NoError(t, err)
-		respString = string(respBytes)
-		require.Contains(t, respString, "testvalue")
+		_, ok = respMap["TestFeatureFlag"]
+		assert.Equal(t, true, ok)
 	}, "ping feature flag test")
 
+	t.Run("ping root_status test", func(t *testing.T) {
+		respMap, resp, err := th.SystemAdminClient.GetPingWithOptions(context.Background(), model.SystemPingOptions{FullStatus: true})
+		require.NoError(t, err)
+		require.Equal(t, http.StatusOK, resp.StatusCode)
+		_, ok := respMap["root_status"]
+		assert.Equal(t, true, ok)
+	})
+
+	t.Run("ping root_status test with client user", func(t *testing.T) {
+		respMap, resp, err := th.Client.GetPingWithOptions(context.Background(), model.SystemPingOptions{FullStatus: true})
+		require.NoError(t, err)
+		require.Equal(t, http.StatusOK, resp.StatusCode)
+		_, ok := respMap["root_status"]
+		assert.Equal(t, false, ok)
+	})
+
 	th.TestForAllClients(t, func(t *testing.T, client *model.Client4) {
 		th.App.ReloadConfig()
 		resp, err := client.DoAPIGet(context.Background(), "/system/ping?device_id=platform:id", "")
 		require.NoError(t, err)
 		require.Equal(t, http.StatusOK, resp.StatusCode)
-		var respMap map[string]string
+		var respMap map[string]any
 		err = json.NewDecoder(resp.Body).Decode(&respMap)
 		require.NoError(t, err)
 		assert.Equal(t, "unknown", respMap["CanReceiveNotifications"]) // Unrecognized platform

webapp/channels/src/components/admin_console/workspace-optimization/dashboard_checks/config.ts

@@ -76,6 +76,39 @@ const sessionLength = (
     };
 };
 
+/**
+ *
+ * @description This checks to see if Mattermost is running as root.
+ */
+const rootUserCheck = async (
+    config: Partial<AdminConfig>,
+    formatMessage: ReturnType<typeof useIntl>['formatMessage'],
+    options: Options,
+) => {
+    const fetchRootStatus = async () => {
+        const result = await Client4.ping(true);
+        return result.root_status ? ItemStatus.WARNING : ItemStatus.OK;
+    };
+
+    const status = await fetchRootStatus();
+
+    return {
+        id: 'root_status,',
+        title: formatMessage({
+            id: 'admin.reporting.workspace_optimization.configuration.root_status.title',
+            defaultMessage: 'Mattermost is running as root',
+        }),
+        description: formatMessage({
+            id: 'admin.reporting.workspace_optimization.configuration.root_status.description',
+            defaultMessage: 'Running Mattermost as root is not recommended. Please use a non-root user.',
+        }),
+        telemetryAction: 'root_status',
+        status,
+        scoreImpact: 25,
+        impactModifier: impactModifiers[status],
+    };
+};
+
 const fileStorage = async (
     config: Partial<AdminConfig>,
     formatMessage: ReturnType<typeof useIntl>['formatMessage'],
@@ -119,6 +152,7 @@ export const runConfigChecks = async (
         ssl,
         sessionLength,
         fileStorage,
+        rootUserCheck,
     ];
     const results = await Promise.all(checks.map((check) => check(config, formatMessage, options)));
     return results;

webapp/channels/src/i18n/en.json

@@ -2043,6 +2043,8 @@
   "admin.reporting.workspace_optimization.configuration.file_storage.cta": "Config file storage",
   "admin.reporting.workspace_optimization.configuration.file_storage.description": "Check your file storage settings to ensure your Mattermost workspace has access to the configured file storage.",
   "admin.reporting.workspace_optimization.configuration.file_storage.title": "File storage access is faulty.",
+  "admin.reporting.workspace_optimization.configuration.root_status.description": "Running Mattermost as root is not recommended. Please use a non-root user.",
+  "admin.reporting.workspace_optimization.configuration.root_status.title": "Mattermost is running as root",
   "admin.reporting.workspace_optimization.configuration.session_length.cta": "Configure session length",
   "admin.reporting.workspace_optimization.configuration.session_length.description": "Your session length is set to the default of 30 days. A longer session length provides convenience, and a shorter session provides tighter security. We recommend adjusting this based on your organization's security policies.",
   "admin.reporting.workspace_optimization.configuration.session_length.title": "Session lengths is set to default",

webapp/platform/client/src/client4.ts

@@ -2514,6 +2514,7 @@ export default class Client4 {
             ActiveSearchBackend: string;
             database_status: string;
             filestore_status: string;
+            root_status: boolean;
         }>(
             `${this.getBaseRoute()}/system/ping${buildQueryString({get_server_status: getServerStatus, device_id: deviceId, use_rest_semantics: true})}`,
             {method: 'get'},