Framework/Core/SVT/ADO/ADO.VariableGroup.ps1

Set-StrictMode -Version Latest
class VariableGroup: ADOSVTBase
{

    hidden [PSObject] $VarGrp;
    hidden [PSObject] $ProjectId;
    hidden [PSObject] $VarGrpId;
    hidden [string] $checkInheritedPermissionsPerVarGrp = $false
    hidden [PSObject] $variableGroupIdentities = $null;
    VariableGroup([string] $organizationName, [SVTResource] $svtResource): Base($organizationName,$svtResource)
    {
        $this.ProjectId = ($this.ResourceContext.ResourceId -split "project/")[-1].Split('/')[0];
        $this.VarGrpId = $this.ResourceContext.ResourceDetails.id
        $apiURL = "https://dev.azure.com/$($this.OrganizationContext.OrganizationName)/$($this.ProjectId)/_apis/distributedtask/variablegroups/$($this.VarGrpId)?api-version=6.1-preview.2"
        $this.VarGrp = [WebRequestHelper]::InvokeGetWebRequest($apiURL);

        if ([Helpers]::CheckMember($this.ControlSettings, "VariableGroup.CheckForInheritedPermissions") -and $this.ControlSettings.VariableGroup.CheckForInheritedPermissions) {
            $this.checkInheritedPermissionsPerVarGrp = $true
        }
    }
    hidden [ControlResult] CheckPipelineAccess([ControlResult] $controlResult)
    {
        try
        {
            $controlResult.VerificationResult = [VerificationResult]::Failed
            $url = 'https://dev.azure.com/{0}/{1}/_apis/build/authorizedresources?type=variablegroup&id={2}&api-version=6.0-preview.1' -f $($this.OrganizationContext.OrganizationName),$($this.ProjectId) ,$($this.VarGrpId);
            $responseObj = @([WebRequestHelper]::InvokeGetWebRequest($url));
            #

            # When var grp is shared across all pipelines - the below condition will be true.
            if([Helpers]::CheckMember($responseObj[0],"authorized") -and $responseObj[0].authorized -eq $true )
            {
                $isSecretFound = $false
                $secretVarList = @();

                # Check if variable group has any secret or linked to KV
                if ($this.VarGrp.Type -eq 'AzureKeyVault')
                {
                    $isSecretFound = $true
                }
                else
                {
                    Get-Member -InputObject $this.VarGrp.variables -MemberType Properties | ForEach-Object {
                        if([Helpers]::CheckMember($this.VarGrp.variables.$($_.Name),"isSecret") -and ($this.VarGrp.variables.$($_.Name).isSecret -eq $true))
                        {
                            $isSecretFound = $true
                            $secretVarList += $_.Name
                        }
                    }
                }

                if ($isSecretFound -eq $true)
                {
                    $controlResult.AddMessage([VerificationResult]::Failed, "Variable group contains secrets accessible to all pipelines.");
                    $controlResult.AdditionalInfoInCSV = "SecretVarsList: $($secretVarList -join '; ')";
                }
                else
                {
                    $controlResult.AddMessage([VerificationResult]::Passed, "Variable group does not contain secret.");
                    $controlResult.AdditionalInfoInCSV += "NA"
                }
            }
            else
            {
                $controlResult.AddMessage([VerificationResult]::Passed, "Variable group is not accessible to all pipelines.");
                $controlResult.AdditionalInfoInCSV += "NA"
            }

        }
        catch
        {
            $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch authorization details of variable group.");
            $controlResult.LogException($_)
        }
        return $controlResult
    }

    hidden [ControlResult] CheckInheritedPermissions([ControlResult] $controlResult)
    {
        $url = 'https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1' -f $($this.OrganizationContext.OrganizationName),$($this.ProjectId) ,$($this.VarGrpId);
        try
        {
            $responseObj = [WebRequestHelper]::InvokeGetWebRequest($url);
            $inheritedRoles = $responseObj | Where-Object {$_.access -eq "inherited"}
            if(($inheritedRoles | Measure-Object).Count -gt 0)
            {
                $roles = @();
                $roles += ($inheritedRoles  | Select-Object -Property @{Name="Name"; Expression = {$_.identity.displayName}}, @{Name="Role"; Expression = {$_.role.displayName}});
                $controlResult.AddMessage("Total number of inherited role assignments on variable group: ", ($roles | Measure-Object).Count);
                $controlResult.AddMessage([VerificationResult]::Failed,"Review the list of inherited role assignments on variable group: ", $roles);
                $controlResult.SetStateData("List of inherited role assignments on variable group: ", $roles);
                $controlResult.AdditionalInfo += "Total number of inherited role assignments on variable group: " + ($roles | Measure-Object).Count;
            }
            else
            {
                $controlResult.AddMessage([VerificationResult]::Passed,"No inherited role assignments found on variable group.")
            }

        }
        catch
        {
            $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch permission details of variable group.");
            $controlResult.LogException($_)
        }
        return $controlResult
    }
    hidden [ControlResult] CheckRBACAccess([ControlResult] $controlResult)
    {
        <#
        {
            "ControlID": "ADO_VariableGroup_AuthZ_Grant_Min_RBAC_Access",
            "Description": "All teams/groups must be granted minimum required permissions on variable group.",
            "Id": "VariableGroup110",
            "ControlSeverity": "High",
            "Automated": "Yes",
            "MethodName": "CheckRBACAccess",
            "Rationale": "Granting minimum access by leveraging RBAC feature ensures that users are granted just enough permissions to perform their tasks. This minimizes exposure of the resources in case of user/service account compromise.",
            "Recommendation": "Refer: https://docs.microsoft.com/en-us/azure/devops/pipelines/library/?view=azure-devops#security",
            "Tags": [
              "SDL",
              "TCP",
              "Automated",
              "AuthZ",
              "RBAC"
            ],
            "Enabled": true
          }
        #>


        $url = 'https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1' -f $($this.OrganizationContext.OrganizationName), $($this.ProjectId), $($this.VarGrpId);
        try
        {
            $responseObj = [WebRequestHelper]::InvokeGetWebRequest($url);
            if(($responseObj | Measure-Object).Count -gt 0)
            {
                $roles = @();
                $roles += ($responseObj  | Select-Object -Property @{Name="Name"; Expression = {$_.identity.displayName}}, @{Name="Role"; Expression = {$_.role.displayName}}, @{Name="AccessType"; Expression = {$_.access}});
                $controlResult.AddMessage("Total number of role assignments on variable group: ", ($roles | Measure-Object).Count);
                $controlResult.AddMessage([VerificationResult]::Verify,"Review the list of role assignments on variable group: ", $roles);
                $controlResult.SetStateData("List of role assignments on variable group: ", $roles);
                $controlResult.AdditionalInfo += "Total number of role assignments on variable group: " + ($roles | Measure-Object).Count;
            }
            else
            {
                $controlResult.AddMessage([VerificationResult]::Passed,"No role assignments found on variable group.")
            }

        }
        catch
        {
            $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch RBAC details of variable group.");
            $controlResult.LogException($_)
        }
        return $controlResult
    }

    hidden [ControlResult] CheckCredInVarGrp([ControlResult] $controlResult)
    {
        $controlResult.VerificationResult = [VerificationResult]::Failed

        if([Helpers]::CheckMember([ConfigurationManager]::GetAzSKSettings(),"SecretsScanToolFolder"))
        {
            $ToolFolderPath = [ConfigurationManager]::GetAzSKSettings().SecretsScanToolFolder
            $SecretsScanToolName = [ConfigurationManager]::GetAzSKSettings().SecretsScanToolName
            if((-not [string]::IsNullOrEmpty($ToolFolderPath)) -and (Test-Path $ToolFolderPath) -and (-not [string]::IsNullOrEmpty($SecretsScanToolName)))
            {
                $ToolPath = Get-ChildItem -Path $ToolFolderPath -File -Filter $SecretsScanToolName -Recurse
                if($ToolPath)
                {
                    if($this.VarGrp)
                    {
                        try
                        {
                            $varGrpDefFileName = $($this.ResourceContext.ResourceName).Replace(" ","")
                            $varGrpDefPath = [Constants]::AzSKTempFolderPath + "\VarGrps\"+ $varGrpDefFileName + "\";
                            if(-not (Test-Path -Path $varGrpDefPath))
                            {
                                New-Item -ItemType Directory -Path $varGrpDefPath -Force | Out-Null
                            }

                            $this.VarGrp | ConvertTo-Json -Depth 5 | Out-File "$varGrpDefPath\$varGrpDefFileName.json"
                            $searcherPath = Get-ChildItem -Path $($ToolPath.Directory.FullName) -Include "buildsearchers.xml" -Recurse
                            ."$($Toolpath.FullName)" -I $varGrpDefPath -S "$($searcherPath.FullName)" -f csv -Ve 1 -O "$varGrpDefPath\Scan"

                            $scanResultPath = Get-ChildItem -Path $varGrpDefPath -File -Include "*.csv"

                            if($scanResultPath -and (Test-Path $scanResultPath.FullName))
                            {
                                $credList = Get-Content -Path $scanResultPath.FullName | ConvertFrom-Csv
                                if(($credList | Measure-Object).Count -gt 0)
                                {
                                    $controlResult.AddMessage("No. of credentials found:" + ($credList | Measure-Object).Count )
                                    $controlResult.AddMessage([VerificationResult]::Failed,"Found credentials in variables.")
                                    $controlResult.AdditionalInfo += "No. of credentials found in variables: " + ($credList | Measure-Object).Count;
                                }
                                else {
                                    $controlResult.AddMessage([VerificationResult]::Passed,"No credentials found in variables.")
                                }
                            }
                        }
                        catch
                        {
                            #Publish Exception
                            $this.PublishException($_);
                            $controlResult.LogException($_)
                        }
                        finally
                        {
                            #Clean temp folders
                            Remove-ITem -Path $varGrpDefPath -Recurse
                        }
                    }
                }
            }
        }
        else {
            try {
                if([Helpers]::CheckMember($this.VarGrp[0],"variables"))
                {
                    $varList = @();
                    $noOfCredFound = 0;
                    $patterns = @($this.ControlSettings.Patterns | where-object {$_.RegexCode -eq "SecretsInVariables"} | Select-Object -Property RegexList);
                    $exclusions = $this.ControlSettings.Build.ExcludeFromSecretsCheck;
                    $exclusions += $this.ControlSettings.Release.ExcludeFromSecretsCheck; 
                    $exclusions = @($exclusions | select-object -unique)
                    if($patterns.Count -gt 0)
                    {
                        #Compare all non-secret variables with regex
                        Get-Member -InputObject $this.VarGrp[0].variables -MemberType Properties | ForEach-Object {
                            if([Helpers]::CheckMember($this.VarGrp[0].variables.$($_.Name),"value") -and  (-not [Helpers]::CheckMember($this.VarGrp[0].variables.$($_.Name),"isSecret")))
                            {

                                $varName = $_.Name
                                $varValue = $this.VarGrp[0].variables.$varName.value
                                <# helper code to build a list of vars and counts
                                if ([Build]::BuildVarNames.Keys -contains $buildVarName)
                                {
                                        [Build]::BuildVarNames.$buildVarName++
                                }
                                else
                                {
                                    [Build]::BuildVarNames.$buildVarName = 1
                                }
                                #>

                                if ($exclusions -notcontains $varName)
                                {
                                    for ($i = 0; $i -lt $patterns.RegexList.Count; $i++) {
                                        #Note: We are using '-cmatch' here.
                                        #When we compile the regex, we don't specify ignoreCase flag.
                                        #If regex is in text form, the match will be case-sensitive.
                                        if ($varValue -cmatch $patterns.RegexList[$i]) {
                                            $noOfCredFound +=1
                                            $varList += $varName;
                                            break
                                            }
                                        }
                                }
                            }
                        }
                        if($noOfCredFound -gt 0)
                        {
                            $varList = @($varList | Select-Object -Unique)
                            $controlResult.AddMessage([VerificationResult]::Failed, "Found secrets in variable group.`nList of variables: ", $varList );
                            $controlResult.SetStateData("List of variable name containing secret: ", $varList);
                            $controlResult.AdditionalInfo += "Count of variable(s) containing secret: " + $varList.Count;
                        }
                        else
                        {
                            $controlResult.AddMessage([VerificationResult]::Passed, "No credentials found in variable group.");
                        }
                        $patterns = $null;
                    }
                    else
                    {
                        $controlResult.AddMessage([VerificationResult]::Error, "Regular expressions for detecting credentials in variable groups are not defined in your organization.");
                    }
                }
                else
                {
                    $controlResult.AddMessage([VerificationResult]::Passed, "No variables found in variable group.");
                }
            }
            catch {
                $controlResult.AddMessage([VerificationResult]::Error, "Could not fetch the variable group definition.");
                $controlResult.AddMessage($_);
                $controlResult.LogException($_)
            }
        }
        return $controlResult;
    }

    hidden [ControlResult] CheckBroaderGroupAccess ([ControlResult] $controlResult) {
    
        try {
            $controlResult.VerificationResult = [VerificationResult]::Failed
            $restrictedBroaderGroups = @{}
            $restrictedBroaderGroupsForVarGrp = $this.ControlSettings.VariableGroup.RestrictedBroaderGroupsForVariableGroup;
            $restrictedBroaderGroupsForVarGrp.psobject.properties | foreach { $restrictedBroaderGroups[$_.Name] = $_.Value }

            #Fetch variable group RBAC
            $roleAssignments = @();
            if ($null -eq $this.variableGroupIdentities) 
            {
                $url = 'https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1' -f $($this.OrganizationContext.OrganizationName), $($this.ProjectId), $($this.VarGrpId);
                $this.variableGroupIdentities = @([WebRequestHelper]::InvokeGetWebRequest($url));
            }
            if($this.variableGroupIdentities.Count -gt 0)
            {
                if ($this.checkInheritedPermissionsPerVarGrp -eq $false) {
                    $roleAssignments = @($this.variableGroupIdentities  | where-object { $_.access -ne "inherited" })
                }
                $roleAssignments = @($roleAssignments  | Select-Object -Property @{Name="Name"; Expression = {$_.identity.displayName}},@{Name="Id"; Expression = {$_.identity.id}}, @{Name="Role"; Expression = {$_.role.displayName}});
            }

            # Checking whether the broader groups have User/Admin permissions
            $backupDataObject = @($roleAssignments | Where-Object { ($restrictedBroaderGroups.keys -contains $_.Name.split('\')[-1]) -and  ($_.Role -in $restrictedBroaderGroups[$_.Name.split('\')[-1]])})
            $restrictedGroups = @($backupDataObject | Select-Object Name,role)
            
            if ($this.ControlSettings.CheckForBroadGroupMemberCount -and $restrictedGroups.Count -gt 0)
            {
                $broaderGroupsWithExcessiveMembers = @([ControlHelper]::FilterBroadGroupMembers($restrictedGroups, $true))
                $restrictedGroups = @($restrictedGroups | Where-Object {$broaderGroupsWithExcessiveMembers -contains $_.Name})
            }

            $restrictedGroupsCount = $restrictedGroups.Count

            # fail the control if restricted group found on variable group
            if ($restrictedGroupsCount -gt 0) {
                $controlResult.AddMessage([VerificationResult]::Failed, "`nCount of broader groups that have excessive permissions on variable group: $($restrictedGroupsCount)");
                $controlResult.AddMessage("`nList of groups: ")
                $controlResult.AddMessage(($restrictedGroups | FT Name,Role -AutoSize | Out-String -Width 512));
                $controlResult.SetStateData("List of groups: ", $restrictedGroups)
                $controlResult.AdditionalInfo += "Count of broader groups that have excessive permissions on variable group: $($restrictedGroupsCount)";
                if ($this.ControlFixBackupRequired) {
                    #Data object that will be required to fix the control
                    $controlResult.BackupControlState = $backupDataObject;
                }
                $formatedRestrictedGroups = $restrictedGroups | ForEach-Object { $_.Name + ': ' + $_.Role }
                $controlResult.AdditionalInfoInCSV = ($formatedRestrictedGroups -join '; ' )
            }
            else {
                $controlResult.AddMessage([VerificationResult]::Passed, "No broader groups have excessive permissions on variable group.");
                $controlResult.AdditionalInfoInCSV += "NA"
            }
            $displayObj = $restrictedBroaderGroups.Keys | Select-Object @{Name = "Broader Group"; Expression = {$_}}, @{Name = "Excessive Permissions"; Expression = {$restrictedBroaderGroups[$_] -join ', '}}
            $controlResult.AddMessage("Note:`nThe following groups are considered 'broad' and should not have excessive permissions: `n$( $displayObj| FT | out-string)");
        }
        catch {
            $controlResult.AddMessage([VerificationResult]::Error, "Could not fetch the variable group permissions.");
            $controlResult.LogException($_)
        }

        return $controlResult;
    }

    hidden [ControlResult] CheckBroaderGroupAccessAutomatedFix ([ControlResult] $controlResult) {
        try {
            $RawDataObjForControlFix = @();
            $RawDataObjForControlFix = ([ControlHelper]::ControlFixBackup | where-object {$_.ResourceId -eq $this.ResourceId}).DataObject

            $body = "["

            if (-not $this.UndoFix)
            {
                foreach ($identity in $RawDataObjForControlFix) 
                {                    
                    if ($body.length -gt 1) {$body += ","}
                    $body += @"
                        {
                            "userId": "$($identity.id)",
                            "roleName": "Reader"
                        }
"@
;
                }
                $RawDataObjForControlFix | Add-Member -NotePropertyName NewRole -NotePropertyValue "Reader"
                $RawDataObjForControlFix = @($RawDataObjForControlFix  | Select-Object @{Name="DisplayName"; Expression={$_.Name}}, @{Name="OldRole"; Expression={$_.Role}},@{Name="NewRole"; Expression={$_.NewRole}})
            }
            else {
                foreach ($identity in $RawDataObjForControlFix) 
                {                    
                    if ($body.length -gt 1) {$body += ","}
                    $body += @"
                        {
                            "userId": "$($identity.id)",
                            "roleName": "$($identity.role)"
                        }
"@
;
                }
                $RawDataObjForControlFix | Add-Member -NotePropertyName OldRole -NotePropertyValue "Reader"
                $RawDataObjForControlFix = @($RawDataObjForControlFix  | Select-Object @{Name="DisplayName"; Expression={$_.Name}}, @{Name="OldRole"; Expression={$_.OldRole}},@{Name="NewRole"; Expression={$_.Role}})
            }            
            $body += "]"
            #Put request

            $url = "https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1" -f $($this.OrganizationContext.OrganizationName),$($this.ProjectId),$($this.VarGrpId);          
            $rmContext = [ContextHelper]::GetCurrentContext();
            $user = "";
            $base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $user,$rmContext.AccessToken)))
            $webRequestResult = Invoke-RestMethod -Uri $url -Method Put -ContentType "application/json" -Headers @{Authorization = ("Basic {0}" -f $base64AuthInfo) } -Body $body                                
            $controlResult.AddMessage([VerificationResult]::Fixed,  "Permission for broader groups have been changed as below: ");
            $display = ($RawDataObjForControlFix |  FT -AutoSize | Out-String -Width 512)
            $controlResult.AddMessage("`n$display");
        }
        catch{
            $controlResult.AddMessage([VerificationResult]::Error,  "Could not apply fix.");
            $controlResult.LogException($_)
        }        
        return $controlResult;
    }

    hidden [ControlResult] CheckBroaderGroupAccessForVarGrpWithSecrets([ControlResult] $controlResult)
    {
        $controlResult.VerificationResult = [VerificationResult]::Failed;
        try 
        {
            if ($this.ControlSettings -and [Helpers]::CheckMember($this.ControlSettings, "VariableGroup.RestrictedBroaderGroupsForVariableGroup"))
            {
                $restrictedBroaderGroups = @{}
                $restrictedBroaderGroupsForVarGrp = $this.ControlSettings.VariableGroup.RestrictedBroaderGroupsForVariableGroup;
                $restrictedBroaderGroupsForVarGrp.psobject.properties | foreach { $restrictedBroaderGroups[$_.Name] = $_.Value }

                if([Helpers]::CheckMember($this.VarGrp[0],"variables"))
                {
                    $secretVarList = @();
                    $VGMembers = @(Get-Member -InputObject $this.VarGrp[0].variables -MemberType Properties)
                    $patterns = @($this.ControlSettings.Patterns | Where-Object {$_.RegexCode -eq "SecretsInVariables"} | Select-Object -Property RegexList);
                    $VGMembers | ForEach-Object {
                        $varName = $_.Name
                        if([Helpers]::CheckMember($this.VarGrp[0].variables.$varName,"value"))
                        {
                            $varValue = $this.VarGrp[0].variables.$varName.value
                            for ($i = 0; $i -lt $patterns.RegexList.Count; $i++)
                            {
                                #Note: We are using '-cmatch' here.
                                #When we compile the regex, we don't specify ignoreCase flag.
                                #If regex is in text form, the match will be case-sensitive.
                                if ($varValue -cmatch $patterns.RegexList[$i]) 
                                {
                                    $secretVarList += $varName
                                    break
                                }
                            }
                        }
                        elseif (([Helpers]::CheckMember($this.VarGrp[0].variables.$($_.Name),"isSecret"))) {
                            $secretVarList += $varName
                        }
                    }

                    if ($secretVarList.Count -gt 0)
                    {
                        #Fetch variable group RBAC
                        $roleAssignments = @();

                        $url = 'https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1' -f $($this.OrganizationContext.OrganizationName), $($this.ProjectId), $($this.VarGrpId);
                        $responseObj = @([WebRequestHelper]::InvokeGetWebRequest($url));
                        if($responseObj.Count -gt 0)
                        {
                            if ($this.checkInheritedPermissionsPerVarGrp -eq $false) {
                                $responseObj = $responseObj  | where-object { $_.access -ne "inherited" }
                            }
                            $roleAssignments += ($responseObj  | Select-Object -Property @{Name="Name"; Expression = {$_.identity.displayName}}, @{Name="Role"; Expression = {$_.role.displayName}}, @{Name="Id"; Expression = {$_.identity.id}});
                        }

                        # Checking whether the broader groups have User/Admin permissions
                        $restrictedGroups = @($roleAssignments | Where-Object { ($restrictedBroaderGroups.keys -contains $_.Name.split('\')[-1]) -and ($_.Role -in $restrictedBroaderGroups[$_.Name.split('\')[-1]])})

                        if ($this.ControlSettings.CheckForBroadGroupMemberCount -and $restrictedGroups.Count -gt 0)
                        {
                            $broaderGroupsWithExcessiveMembers = @([ControlHelper]::FilterBroadGroupMembers($restrictedGroups, $true))
                            $restrictedGroups = @($restrictedGroups | Where-Object {$broaderGroupsWithExcessiveMembers -contains $_.Name})
                        }

                        $restrictedGroupsCount = $restrictedGroups.Count

                        # fail the control if restricted group found on variable group which contains secrets
                        if ($restrictedGroupsCount -gt 0)
                        {
                            $controlResult.AddMessage([VerificationResult]::Failed, "Broader groups have excessive permissions on the variable group.");
                            $controlResult.AddMessage("`nCount of broader groups that have excessive permissions on the variable group: $($restrictedGroupsCount)")
                            $controlResult.AdditionalInfo += "Count of broader groups that have excessive permissions on the variable group: $($restrictedGroupsCount)";
                            $controlResult.AddMessage("`nList of broader groups: ",$($restrictedGroups | FT | Out-String))
                            $controlResult.AddMessage("`nList of variables with secret: ",$secretVarList)
                            $controlResult.SetStateData("List of broader groups: ", $restrictedGroups)

                            if ($this.ControlFixBackupRequired) {
                                #Data object that will be required to fix the control
                                $controlResult.BackupControlState = $restrictedGroups;
                            }


                            $groups = $restrictedGroups | ForEach-Object { $_.Name + ': ' + $_.Role } 
                            $controlResult.AdditionalInfoInCSV = $($groups -join '; ')+"; SecretVarsList: $($secretVarList -join '; ')";
                        }
                        else
                        {
                            $controlResult.AddMessage([VerificationResult]::Passed, "No broader groups have excessive permissions on the variable group.");
                            $controlResult.AdditionalInfoInCSV += "NA"
                        }
                        $displayObj = $restrictedBroaderGroups.Keys | Select-Object @{Name = "Broader Group"; Expression = {$_}}, @{Name = "Excessive Permissions"; Expression = {$restrictedBroaderGroups[$_] -join ', '}}
                        $controlResult.AddMessage("`nNote:`nThe following groups are considered 'broad' and should not have excessive permissions: `n$( $displayObj| FT | out-string -Width 512)");
                    }
                    else
                    {
                        $controlResult.AddMessage([VerificationResult]::Passed, "No secrets found in variable group.");
                        $controlResult.AdditionalInfoInCSV += "NA"
                    }
                }
                else
                {
                    $controlResult.AddMessage([VerificationResult]::Passed, "No variables found in variable group.");
                    $controlResult.AdditionalInfoInCSV += "NA"
                }
            }
            else
            {
                $controlResult.AddMessage([VerificationResult]::Error, "List of restricted broader groups and restricted roles for variable group is not defined in the control settings for your organization policy.");
            }
        }
        catch {
            $controlResult.AddMessage([VerificationResult]::Error, "Could not fetch the variable group permissions.");
            $controlResult.LogException($_)
        }

        return $controlResult;
    }

    hidden [ControlResult] CheckBroaderGroupAccessForVarGrpWithSecretsAutomatedFix ([ControlResult] $controlResult) 
    {
        try 
        {
            $RawDataObjForControlFix = @();
            $RawDataObjForControlFix = ([ControlHelper]::ControlFixBackup | where-object {$_.ResourceId -eq $this.ResourceId}).DataObject

            $body = "["

            if (-not $this.UndoFix)
            {
                foreach ($identity in $RawDataObjForControlFix) 
                {                    
                    if ($body.length -gt 1) {$body += ","}
                    $body += @"
                        {
                            "userId": "$($identity.id)",
                            "roleName": "Reader"
                        }
"@
;
                }
                $RawDataObjForControlFix | Add-Member -NotePropertyName NewRole -NotePropertyValue "Reader"
                $RawDataObjForControlFix = @($RawDataObjForControlFix  | Select-Object @{Name="DisplayName"; Expression={$_.Name}}, @{Name="OldRole"; Expression={$_.Role}},@{Name="NewRole"; Expression={$_.NewRole}})
            }
            else {
                foreach ($identity in $RawDataObjForControlFix) 
                {                    
                    if ($body.length -gt 1) {$body += ","}
                    $body += @"
                        {
                            "userId": "$($identity.id)",
                            "roleName": "$($identity.role)"
                        }
"@
;
                }
                $RawDataObjForControlFix | Add-Member -NotePropertyName OldRole -NotePropertyValue "Reader"
                $RawDataObjForControlFix = @($RawDataObjForControlFix  | Select-Object @{Name="DisplayName"; Expression={$_.Name}}, @{Name="OldRole"; Expression={$_.OldRole}},@{Name="NewRole"; Expression={$_.Role}})
            }            
            $body += "]"
            #Put request

            $url = "https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1" -f $($this.OrganizationContext.OrganizationName),$($this.ProjectId),$($this.VarGrpId);          
            $rmContext = [ContextHelper]::GetCurrentContext();
            $user = "";
            $base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $user,$rmContext.AccessToken)))
            $webRequestResult = Invoke-RestMethod -Uri $url -Method Put -ContentType "application/json" -Headers @{Authorization = ("Basic {0}" -f $base64AuthInfo) } -Body $body                                
            $controlResult.AddMessage([VerificationResult]::Fixed,  "Permission for broader groups have been changed as below: ");
            $display = ($RawDataObjForControlFix |  FT -AutoSize | Out-String -Width 512)
            $controlResult.AddMessage("`n$display");
        }
        catch{
            $controlResult.AddMessage([VerificationResult]::Error,  "Could not apply fix.");
            $controlResult.LogException($_)
        }        
        return $controlResult;
    }
}

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