Plugin will display an error message when no valid projects are found in the open solution (AST-116483)

ast-visual-studio-extension/CxExtension/Toolbar/CxToolbar.cs

@@ -50,6 +50,61 @@ internal class CxToolbar
         public Func<List<State>, Dictionary<MenuItem, State>> CreateStateMenuItems { get; set; }
 
         private static bool initPolling = false;
+
+        public static bool IsValidSourceProject(string sourcePath)
+        {
+            if (string.IsNullOrEmpty(sourcePath))
+            {
+                return false;
+            }
+
+            try
+            {
+                string searchPath;
+                if (System.IO.File.Exists(sourcePath))
+                {
+                    searchPath = System.IO.Path.GetDirectoryName(sourcePath);
+                }
+                else if (System.IO.Directory.Exists(sourcePath))
+                {
+                    searchPath = sourcePath;
+                }
+                else
+                {
+                    return false;
+                }
+
+                string[] projectExtensions = { "*.sln", "*.csproj", "*.vbproj", "*.fsproj", "*.vcxproj" };
+
+                foreach (string extension in projectExtensions)
+                {
+                    var files = System.IO.Directory.GetFiles(searchPath, extension, System.IO.SearchOption.AllDirectories);
+                    if (files.Any(file => IsValidProjectFile(file)))
+                        return true;
+                }
+
+                return false;
+            }
+            catch (Exception ex)
+            {
+                UpdateStatusBar("Checkmarx: Error validating project directory" + ex.Message);
+                return false;
+            }
+        }
+
+
+        private static bool IsValidProjectFile(string filePath)
+        {
+            try
+            {
+                var fileInfo = new System.IO.FileInfo(filePath);
+                return fileInfo.Exists && fileInfo.Length > 0;
+            }
+            catch
+            {
+                return false;
+            }
+        }
         private const string DevOrTestFilterName = "SCA Dev & Test Dependencies";
 
 
@@ -286,6 +341,13 @@ public async Task ScanStart_ClickAsync()
                 return;
             }
 
+            if (!IsValidSourceProject(dte.Solution.FullName))
+            {
+                CxUtils.DisplayMessageInInfoWithLinkBar(Package, CxConstants.NOT_A_VALID_PROJECT, KnownMonikers.StatusError, "Project Error", "", false);
+                ScanStartButton.IsEnabled = true;
+                return;
+            }
+
             var currentGitBranch = await GetCurrentGitBranchAsync(dte);
             var checkmarxBranch = SettingsUtils.GetToolbarValue(Package, SettingsUtils.branchProperty);
             var matchProject = await ASTProjectMatchesWorkspaceProjectAsync(dte);
@@ -322,6 +384,9 @@ private static async Task<string> GetCurrentGitBranchAsync(EnvDTE.DTE dte)
             try
             {
                 string workingDir = System.IO.Path.GetDirectoryName(dte.Solution.FullName);
+                if (string.IsNullOrEmpty(workingDir) || !System.IO.Directory.Exists(workingDir))
+                    return null;
+
                 RepositoryInformation repository = RepositoryInformation.GetRepositoryInformation(workingDir);
 
                 if (repository == null)

ast-visual-studio-extension/CxExtension/Utils/CxConstants.cs

@@ -93,7 +93,9 @@ internal class CxConstants
         public static string PROJECT_AND_BRANCH_DO_NOT_MATCH => "The Git branch and files open in your workspace don't match the branch and project that were previously scanned in this Checkmarx project. Do you want to scan anyway?";
         public static string RUN_SCAN => "Run scan";
         public static string RUN_SCAN_ACTION => "RUN_SCAN_ACTION";
-
+        public static string NOT_A_VALID_PROJECT => "No.NET project files(.sln, .csproj, .vbproj, .fsproj, .vcxproj) found in directory";
+
+
         /** LEARN MORE AND REMEDIATION **/
         public static string CODE_SAMPLE_TITLE => "{0} using {1}";
         public static string NO_INFORMATION => "No information";