Filter out path separators in package names (#1916)

Author: anamnavi

src/code/Utils.cs

@@ -189,13 +189,18 @@ public static string[] ProcessNameWildcards(
 
                     if (name.Contains("?") || name.Contains("["))
                     {
-                        errorMsgsList.Add(String.Format("-Name with wildcards '?' and '[' are not supported for this cmdlet so Name entry: {0} will be discarded.", name));
+                        errorMsgsList.Add(String.Format("-Name with wildcards '?' and '[' are not supported for this cmdlet so Name entry: '{0}' will be discarded.", name));
                         continue;
                     }
 
                     isContainWildcard = true;
                     namesWithSupportedWildcards.Add(name);
                 }
+                else if(name.StartsWith("/") || name.StartsWith("\\"))
+                {
+                    errorMsgsList.Add(String.Format("-Name starting with path separator '/' or '\\' is not supported for this cmdlet so Name entry: '{0}' will be discarded.", name));
+                    continue;
+                }
                 else
                 {
                     namesWithSupportedWildcards.Add(name);

test/SavePSResourceTests/SavePSResourceV2.Tests.ps1

@@ -208,4 +208,10 @@ Describe 'Test HTTP Save-PSResource for V2 Server Protocol' -tags 'CI' {
         $pkg.Name | Should -Be $testModuleNameWithLicense
         $pkg.Version | Should -Be "2.0"
     }
+
+    It "Not save module that has path separator in name" {
+        Save-PSResource -Name "/$testModuleName" -Repository $PSGalleryName -Path $SaveDir -ErrorVariable err -ErrorAction SilentlyContinue -TrustRepository
+        $err.Count | Should -BeGreaterThan 0
+        $err[0].FullyQualifiedErrorId | Should -BeExactly 'ErrorFilteringNamesForUnsupportedWildcards,Microsoft.PowerShell.PSResourceGet.Cmdlets.SavePSResource'
+    }
 }

test/SavePSResourceTests/SavePSResourceV3.Tests.ps1

@@ -159,4 +159,10 @@ Describe 'Test HTTP Save-PSResource for V3 Server Protocol' -tags 'CI' {
         $res = Save-PSResource 'TestModuleWithDependencyE' -Repository $NuGetGalleryName -TrustRepository -PassThru
         $res.Length | Should -Be 4
     }
+
+    It "Not save module that has path separator in name" {
+        Save-PSResource -Name "/$testModuleName" -Repository $NuGetGalleryName -Path $SaveDir -ErrorVariable err -ErrorAction SilentlyContinue -TrustRepository
+        $err.Count | Should -BeGreaterThan 0
+        $err[0].FullyQualifiedErrorId | Should -BeExactly 'ErrorFilteringNamesForUnsupportedWildcards,Microsoft.PowerShell.PSResourceGet.Cmdlets.SavePSResource'
+    }
 }