Framework/Core/SVT/ADO/ADO.Build.ps1
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Set-StrictMode -Version Latest class Build: ADOSVTBase { hidden [PSObject] $BuildObj; hidden static [string] $SecurityNamespaceId = $null; hidden static [PSObject] $BuildVarNames = @{}; Build([string] $subscriptionId, [SVTResource] $svtResource): Base($subscriptionId,$svtResource) { # Get security namespace identifier of current build. if ([string]::IsNullOrEmpty([Build]::SecurityNamespaceId) ) { $apiURL = "https://dev.azure.com/{0}/_apis/securitynamespaces?api-version=5.0" -f $($this.SubscriptionContext.SubscriptionName) $securityNamespacesObj = [WebRequestHelper]::InvokeGetWebRequest($apiURL); [Build]::SecurityNamespaceId = ($securityNamespacesObj | Where-Object { ($_.Name -eq "Build") -and ($_.actions.name -contains "ViewBuilds")}).namespaceId } $buildId = $this.ResourceContext.ResourceDetails.id $projectId = ($this.ResourceContext.ResourceId -split "project/")[-1].Split('/')[0] # Get build object $apiURL = "https://dev.azure.com/$($this.SubscriptionContext.SubscriptionName)/$projectId/_apis/build/Definitions/$buildId"; $this.BuildObj = [WebRequestHelper]::InvokeGetWebRequest($apiURL); if(($this.BuildObj | Measure-Object).Count -eq 0) { throw [SuppressedException] "Unable to find build pipeline in [Organization: $($this.SubscriptionContext.SubscriptionName)] [Project: $($this.ResourceContext.ResourceGroupName)]." } } [ControlItem[]] ApplyServiceFilters([ControlItem[]] $controls) { $result = $controls; # Applying filter to exclude certain controls based on Tag if([Helpers]::CheckMember($this.BuildObj[0].process,"yamlFilename")) { $result = $controls | Where-Object { $_.Tags -notcontains "SkipYAML" }; } return $result; } hidden [ControlResult] CheckCredInBuildVariables([ControlResult] $controlResult) { 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.BuildObj) { try { $buildDefFileName = $($this.ResourceContext.ResourceName).Replace(" ","") $buildDefPath = [Constants]::AzSKTempFolderPath + "\Builds\"+ $buildDefFileName + "\"; if(-not (Test-Path -Path $buildDefPath)) { New-Item -ItemType Directory -Path $buildDefPath -Force | Out-Null } $this.BuildObj | ConvertTo-Json -Depth 5 | Out-File "$buildDefPath\$buildDefFileName.json" $searcherPath = Get-ChildItem -Path $($ToolPath.Directory.FullName) -Include "buildsearchers.xml" -Recurse ."$($Toolpath.FullName)" -I $buildDefPath -S "$($searcherPath.FullName)" -f csv -Ve 1 -O "$buildDefPath\Scan" $scanResultPath = Get-ChildItem -Path $buildDefPath -File -Include "*.csv" if($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") $controlResult.AdditionalInfo += "No. of credentials found: " + ($credList | Measure-Object).Count; } else { $controlResult.AddMessage([VerificationResult]::Passed,"No credentials found in variables") } } } catch { #Publish Exception $this.PublishException($_); } finally { #Clean temp folders Remove-ITem -Path $buildDefPath -Recurse } } } } } else { try { $patterns = $this.ControlSettings.Patterns | where {$_.RegexCode -eq "SecretsInBuild"} | Select-Object -Property RegexList; $exclusions = $this.ControlSettings.Build.ExcludeFromSecretsCheck; if(($patterns | Measure-Object).Count -gt 0) { $varList = @(); $varGrpList = @(); $noOfCredFound = 0; if([Helpers]::CheckMember($this.BuildObj[0],"variables")) { Get-Member -InputObject $this.BuildObj[0].variables -MemberType Properties | ForEach-Object { if([Helpers]::CheckMember($this.BuildObj[0].variables.$($_.Name),"value") -and (-not [Helpers]::CheckMember($this.BuildObj[0].variables.$($_.Name),"isSecret"))) { $buildVarName = $_.Name $buildVarValue = $this.BuildObj[0].variables.$buildVarName.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 $buildVarName) { for ($i = 0; $i -lt $patterns.RegexList.Count; $i++) { #Note: We are using '-cmatch' here. #When we compile the regex, we don't specify ignoreCase flag. #If regex is in text form, the match will be case-sensitive. if ($buildVarValue -cmatch $patterns.RegexList[$i]) { $noOfCredFound +=1 $varList += "$buildVarName"; break } } } } } } if(([Helpers]::CheckMember($this.BuildObj[0],"variableGroups")) -and ([Helpers]::CheckMember($this.BuildObj[0],"variableGroups.variables"))) { $this.BuildObj[0].variableGroups| ForEach-Object { $varGrp = $_ Get-Member -InputObject $_.variables -MemberType Properties | ForEach-Object { if([Helpers]::CheckMember($varGrp.variables.$($_.Name) ,"value") -and (-not [Helpers]::CheckMember($varGrp.variables.$($_.Name) ,"isSecret"))) { $varName = $_.Name $varValue = $varGrp.variables.$($_.Name).value if ($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 $varGrpList += "[$($varGrp.Name)]:$varName"; break } } } } } } } if($noOfCredFound -eq 0) { $controlResult.AddMessage([VerificationResult]::Passed, "No secrets found in build definition."); } else { $controlResult.AddMessage([VerificationResult]::Failed, "Found secrets in build definition."); $stateData = @{ VariableList = @(); VariableGroupList = @(); }; if(($varList | Measure-Object).Count -gt 0 ) { $varList = $varList | select -Unique | Sort-object $stateData.VariableList += $varList $controlResult.AddMessage("`nTotal number of variable(s) containing secret: ", ($varList | Measure-Object).Count); $controlResult.AddMessage("`nList of variable(s) containing secret: ", $varList); $controlResult.AdditionalInfo += "Total number of variable(s) containing secret: " + ($varList | Measure-Object).Count; } if(($varGrpList | Measure-Object).Count -gt 0 ) { $varGrpList = $varGrpList | select -Unique | Sort-object $stateData.VariableGroupList += $varGrpList $controlResult.AddMessage("`nTotal number of variable(s) containing secret in variable group(s): ", ($varGrpList | Measure-Object).Count); $controlResult.AddMessage("`nList of variable(s) containing secret in variable group(s): ", $varGrpList); $controlResult.AdditionalInfo += "Total number of variable(s) containing secret in variable group(s): " + ($varGrpList | Measure-Object).Count; } $controlResult.SetStateData("List of variable and variable group containing secret: ", $stateData ); } $patterns = $null; } else { $controlResult.AddMessage([VerificationResult]::Manual, "Regular expressions for detecting credentials in pipeline variables are not defined in your organization."); } } catch { $controlResult.AddMessage([VerificationResult]::Manual, "Could not fetch the build definition."); $controlResult.AddMessage($_); } } return $controlResult; } hidden [ControlResult] CheckForInactiveBuilds([ControlResult] $controlResult) { if($this.BuildObj) { $apiURL = "https://dev.azure.com/{0}/_apis/Contribution/HierarchyQuery/project/{1}?api-version=5.0-preview.1" -f $($this.SubscriptionContext.SubscriptionName),$($this.BuildObj.project.id); $orgURL='https://dev.azure.com/{0}/{1}/_build?view=folders' -f $($this.SubscriptionContext.SubscriptionName),$($this.BuildObj.project.name) $inputbody="{'contributionIds':['ms.vss-build-web.pipelines-data-provider'],'dataProviderContext':{'properties':{'definitionIds':'$($this.BuildObj.id)','sourcePage':{'url':'$orgURL','routeId':'ms.vss-build-web.pipelines-hub-route','routeValues':{'project':'$($this.BuildObj.project.name)','viewname':'pipelines','controller':'ContributedPage','action':'Execute'}}}}}" | ConvertFrom-Json $sw = [System.Diagnostics.Stopwatch]::StartNew(); $responseObj = [WebRequestHelper]::InvokePostWebRequest($apiURL,$inputbody); $sw.Stop() #Below code added to send perf telemtry if ($this.IsAIEnabled) { $properties = @{ TimeTakenInMs = $sw.ElapsedMilliseconds; ApiUrl = $apiURL; Resourcename = $this.ResourceContext.ResourceName; ResourceType = $this.ResourceContext.ResourceType; PartialScanIdentifier = $this.PartialScanIdentifier; CalledBy = "CheckForInactiveBuilds"; } [AIOrgTelemetryHelper]::PublishEvent( "Api Call Trace",$properties, @{}) } if([Helpers]::CheckMember($responseObj,"dataProviders") -and $responseObj.dataProviders.'ms.vss-build-web.pipelines-data-provider' -and [Helpers]::CheckMember($responseObj.dataProviders.'ms.vss-build-web.pipelines-data-provider',"pipelines") -and $responseObj.dataProviders.'ms.vss-build-web.pipelines-data-provider'.pipelines) { $builds = $responseObj.dataProviders.'ms.vss-build-web.pipelines-data-provider'.pipelines if(($builds | Measure-Object).Count -gt 0 ) { $inactiveLimit = $this.ControlSettings.Build.BuildHistoryPeriodInDays [datetime]$createdDate = $this.BuildObj.createdDate if([Helpers]::CheckMember($builds[0],"latestRun") -and $null -ne $builds[0].latestRun) { if ([datetime]::Parse( $builds[0].latestRun.queueTime) -gt (Get-Date).AddDays( - $($this.ControlSettings.Build.BuildHistoryPeriodInDays))) { $controlResult.AddMessage([VerificationResult]::Passed, "Found recent builds triggered within $($this.ControlSettings.Build.BuildHistoryPeriodInDays) days"); } else { if ((((Get-Date) - $createdDate).Days) -lt $inactiveLimit) { $controlResult.AddMessage([VerificationResult]::Passed, "Build was created within last $inactiveLimit days but never queued."); } else { $controlResult.AddMessage([VerificationResult]::Failed, "No recent build history found in last $inactiveLimit days"); } } if([Helpers]::CheckMember($builds[0].latestRun,"finishTime")) { $buildLastRunDate = [datetime]::Parse($builds[0].latestRun.finishTime); $controlResult.AddMessage("Last run date of build pipeline: $($buildLastRunDate)"); $controlResult.AdditionalInfo += "Last run date of build pipeline: " + $buildLastRunDate; } } else { #no build history ever. check whether pipeline has been created recently. if ((((Get-Date) - $createdDate).Days) -lt $inactiveLimit) { $controlResult.AddMessage([VerificationResult]::Passed, "Build was created within last $inactiveLimit days but never queued."); } else { $controlResult.AddMessage([VerificationResult]::Failed, "No build history found in last $inactiveLimit days"); } $controlResult.AdditionalInfo += "No build history found."; } } else { $controlResult.AddMessage([VerificationResult]::Failed, "No build history found."); } $builds = $null; $responseObj = $null; } else { $controlResult.AddMessage([VerificationResult]::Failed, "No build history found. Build is inactive."); } } return $controlResult } hidden [ControlResult] CheckInheritedPermissions([ControlResult] $controlResult) { try { if([Build]::SecurityNamespaceId -and $this.BuildObj.project.id) { # Here 'permissionSet' = security namespace identifier, 'token' = project id and 'tokenDisplayVal' = build name $apiURL = "https://dev.azure.com/{0}/{1}/_admin/_security/index?useApiUrl=true&permissionSet={2}&token={3}%2F{4}&tokenDisplayVal={5}&style=min" -f $($this.SubscriptionContext.SubscriptionName), $($this.BuildObj.project.id), $([Build]::SecurityNamespaceId), $($this.BuildObj.project.id), $($this.BuildObj.id), $($this.BuildObj.name) ; $sw = [System.Diagnostics.Stopwatch]::StartNew(); $header = [WebRequestHelper]::GetAuthHeaderFromUri($apiURL); $responseObj = Invoke-RestMethod -Method Get -Uri $apiURL -Headers $header -UseBasicParsing $sw.Stop() #Below code added to send perf telemtry if ($this.IsAIEnabled) { $properties = @{ TimeTakenInMs = $sw.ElapsedMilliseconds; ApiUrl = $apiURL; Resourcename = $this.ResourceContext.ResourceName; ResourceType = $this.ResourceContext.ResourceType; PartialScanIdentifier = $this.PartialScanIdentifier; CalledBy = "CheckInheritedPermissions"; } [AIOrgTelemetryHelper]::PublishEvent( "Api Call Trace",$properties, @{}) } $responseObj = ($responseObj.SelectNodes("//script") | Where-Object { $_.class -eq "permissions-context" }).InnerXML | ConvertFrom-Json; if($responseObj -and [Helpers]::CheckMember($responseObj,"inheritPermissions") -and $responseObj.inheritPermissions -eq $true) { $controlResult.AddMessage([VerificationResult]::Failed,"Inherited permissions are enabled on build pipeline."); } else { $controlResult.AddMessage([VerificationResult]::Passed,"Inherited permissions are disabled on build pipeline."); } $header = $null; $responseObj = $null; } } catch { $controlResult.AddMessage([VerificationResult]::Manual,"Unable to fetch build pipeline details. $($_). Please verify from portal that permission inheritance is turned OFF."); } return $controlResult } hidden [ControlResult] CheckRBACAccess([ControlResult] $controlResult) { $failMsg = $null try { # Step 1: Fetch list of all groups/users with access to this build # Here 'permissionSet' = security namespace identifier, 'token' = project id and 'tokenDisplayVal' = build name $buildDefinitionPath = $this.BuildObj.Path.Trim("\").Replace(" ","+").Replace("\","%2F") $apiURL = "https://dev.azure.com/{0}/{1}/_api/_security/ReadExplicitIdentitiesJson?__v=5&permissionSetId={2}&permissionSetToken={3}%2F{4}%2F{5}" -f $($this.SubscriptionContext.SubscriptionName), $($this.BuildObj.project.id), $([Build]::SecurityNamespaceId), $($this.BuildObj.project.id), $($buildDefinitionPath), $($this.BuildObj.id); $sw = [System.Diagnostics.Stopwatch]::StartNew(); $responseObj = [WebRequestHelper]::InvokeGetWebRequest($apiURL); $sw.Stop() $accessList = @() $exemptedUserIdentities = @() #Below code added to send perf telemtry if ($this.IsAIEnabled) { $properties = @{ TimeTakenInMs = $sw.ElapsedMilliseconds; ApiUrl = $apiURL; Resourcename = $this.ResourceContext.ResourceName; ResourceType = $this.ResourceContext.ResourceType; PartialScanIdentifier = $this.PartialScanIdentifier; CalledBy = "CheckRBACAccess"; } [AIOrgTelemetryHelper]::PublishEvent( "Api Call Trace",$properties, @{}) } # Step2: Fetch detailed permissions of each of group/user from above api call # To be evaluated only when -DetailedScan flag is used in GADS command along with control ids or when controls are to be attested if([AzSKRoot]::IsDetailedScanRequired -eq $true) { # build owner $exemptedUserIdentities += $this.BuildObj.authoredBy.id if(($responseObj.identities|Measure-Object).Count -gt 0) { $exemptedUserIdentities += $responseObj.identities | Where-Object { $_.IdentityType -eq "user" }| ForEach-Object { $identity = $_ $exemptedIdentity = $this.ControlSettings.Build.ExemptedUserIdentities | Where-Object { $_.Domain -eq $identity.Domain -and $_.DisplayName -eq $identity.DisplayName } if(($exemptedIdentity | Measure-Object).Count -gt 0) { return $identity.TeamFoundationId } } $accessList += $responseObj.identities | Where-Object { $_.IdentityType -eq "user" } | ForEach-Object { $identity = $_ if($exemptedUserIdentities -notcontains $identity.TeamFoundationId) { $apiURL = "https://dev.azure.com/{0}/{1}/_api/_security/DisplayPermissions?__v=5&tfid={2}&permissionSetId={3}&permissionSetToken={4}%2F{5}%2F{6}" -f $($this.SubscriptionContext.SubscriptionName), $($this.BuildObj.project.id), $($identity.TeamFoundationId) ,$([Build]::SecurityNamespaceId),$($this.BuildObj.project.id), $($buildDefinitionPath), $($this.BuildObj.id); $identityPermissions = [WebRequestHelper]::InvokeGetWebRequest($apiURL); $configuredPermissions = $identityPermissions.Permissions | Where-Object {$_.permissionDisplayString -ne 'Not set'} return @{ IdentityName = $identity.DisplayName; IdentityType = $identity.IdentityType; Permissions = ($configuredPermissions | Select-Object @{Name="Name"; Expression = {$_.displayName}},@{Name="Permission"; Expression = {$_.permissionDisplayString}}) } } } $accessList += $responseObj.identities | Where-Object { $_.IdentityType -eq "group" } | ForEach-Object { $identity = $_ $apiURL = "https://dev.azure.com/{0}/{1}/_api/_security/DisplayPermissions?__v=5&tfid={2}&permissionSetId={3}&permissionSetToken={4}%2F{5}%2F{6}" -f $($this.SubscriptionContext.SubscriptionName), $($this.BuildObj.project.id), $($identity.TeamFoundationId) ,$([Build]::SecurityNamespaceId),$($this.BuildObj.project.id), $($buildDefinitionPath), $($this.BuildObj.id); $identityPermissions = [WebRequestHelper]::InvokeGetWebRequest($apiURL); $configuredPermissions = $identityPermissions.Permissions | Where-Object {$_.permissionDisplayString -ne 'Not set'} return @{ IdentityName = $identity.DisplayName; IdentityType = $identity.IdentityType; IsAadGroup = $identity.IsAadGroup ;Permissions = ($configuredPermissions | Select-Object @{Name="Name"; Expression = {$_.displayName}},@{Name="Permission"; Expression = {$_.permissionDisplayString}}) } } } if(($accessList | Measure-Object).Count -ne 0) { $accessList= $accessList | Select-Object -Property @{Name="IdentityName"; Expression = {$_.IdentityName}},@{Name="IdentityType"; Expression = {$_.IdentityType}},@{Name="Permissions"; Expression = {$_.Permissions}} $controlResult.AddMessage("Total number of identities that have access to build pipeline: ", ($accessList | Measure-Object).Count); $controlResult.AddMessage([VerificationResult]::Verify,"Validate that the following identities have been provided with minimum RBAC access to [$($this.ResourceContext.ResourceName)] pipeline.", $accessList); $controlResult.SetStateData("Build pipeline access list: ", ($responseObj.identities | Select-Object -Property @{Name="IdentityName"; Expression = {$_.FriendlyDisplayName}},@{Name="IdentityType"; Expression = {$_.IdentityType}},@{Name="Scope"; Expression = {$_.Scope}})); $controlResult.AdditionalInfo += "Total number of identities that have access to build pipeline: " + ($accessList | Measure-Object).Count; $controlResult.AdditionalInfo += "Total number of user identities that have access to build pipeline: " + (($accessList | Where-Object {$_.IdentityType -eq 'user'}) | Measure-Object).Count; $controlResult.AdditionalInfo += "Total number of group identities that have access to build pipeline: " + (($accessList | Where-Object {$_.IdentityType -eq 'group'}) | Measure-Object).Count; } else { $controlResult.AddMessage([VerificationResult]::Passed,"No identities have been explicitly provided with RBAC access to [$($this.ResourceContext.ResourceName)] other than build pipeline owner and default groups"); $controlResult.AddMessage("Total number of exempted user identities:",($exemptedUserIdentities | Measure-Object).Count); $controlResult.AddMessage("List of exempted user identities:",$exemptedUserIdentities) $controlResult.AdditionalInfo += "Total number of exempted user identities: " + ($exemptedUserIdentities | Measure-Object).Count; } } else{ # Non detailed scan results if(($responseObj.identities|Measure-Object).Count -gt 0) { $accessList= $responseObj.identities | Select-Object -Property @{Name="IdentityName"; Expression = {$_.FriendlyDisplayName}},@{Name="IdentityType"; Expression = {$_.IdentityType}},@{Name="Scope"; Expression = {$_.Scope}} $controlResult.AddMessage("Total number of identities that have access to build pipeline: ", ($accessList | Measure-Object).Count); $controlResult.AddMessage([VerificationResult]::Verify,"Validate that the following identities have been provided with minimum RBAC access to [$($this.ResourceContext.ResourceName)] pipeline.", $accessList); $controlResult.SetStateData("Build pipeline access list: ", $accessList); $controlResult.AdditionalInfo += "Total number of identities that have access to build pipeline: " + ($accessList | Measure-Object).Count; $controlResult.AdditionalInfo += "Total number of user identities that have access to build pipeline: " + (($accessList | Where-Object {$_.IdentityType -eq 'user'}) | Measure-Object).Count; $controlResult.AdditionalInfo += "Total number of group identities that have access to build pipeline: " + (($accessList | Where-Object {$_.IdentityType -eq 'group'}) | Measure-Object).Count; } } # $accessList = $null; $responseObj = $null; } catch { $failMsg = $_ } if(![string]::IsNullOrEmpty($failMsg)) { $controlResult.AddMessage([VerificationResult]::Manual,"Unable to fetch build pipeline details. $($failMsg)Please verify from portal all teams/groups are granted minimum required permissions on build definition."); } return $controlResult } hidden [ControlResult] CheckSettableAtQueueTime([ControlResult] $controlResult) { try { if([Helpers]::CheckMember($this.BuildObj[0],"variables")) { $setablevar =@(); $nonsetablevar =@(); Get-Member -InputObject $this.BuildObj[0].variables -MemberType Properties | ForEach-Object { if([Helpers]::CheckMember($this.BuildObj[0].variables.$($_.Name),"allowOverride") ) { $setablevar += $_.Name; } else { $nonsetablevar +=$_.Name; } } if(($setablevar | Measure-Object).Count -gt 0){ $controlResult.AddMessage("Total number of variables that are settable at queue time: ", ($setablevar | Measure-Object).Count); $controlResult.AddMessage([VerificationResult]::Verify,"The below variables are settable at queue time: ",$setablevar); $controlResult.AdditionalInfo += "Total number of variables that are settable at queue time: " + ($setablevar | Measure-Object).Count; $controlResult.SetStateData("Variables settable at queue time: ", $setablevar); if ($nonsetablevar) { $controlResult.AddMessage("The below variables are not settable at queue time: ",$nonsetablevar); } } else { $controlResult.AddMessage([VerificationResult]::Passed, "No variables were found in the build pipeline that are settable at queue time."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"No variables were found in the build pipeline"); } } catch { $controlResult.AddMessage([VerificationResult]::Manual,"Could not fetch build pipeline variables."); } return $controlResult; } hidden [ControlResult] CheckSettableAtQueueTimeForURL([ControlResult] $controlResult) { try { if ([Helpers]::CheckMember($this.BuildObj[0], "variables")) { $settableURLVars = @(); $count = 0; $patterns = $this.ControlSettings.Patterns | where {$_.RegexCode -eq "URLs"} | Select-Object -Property RegexList; if(($patterns | Measure-Object).Count -gt 0){ Get-Member -InputObject $this.BuildObj[0].variables -MemberType Properties | ForEach-Object { if ([Helpers]::CheckMember($this.BuildObj[0].variables.$($_.Name), "allowOverride") ) { $varName = $_.Name; $varValue = $this.BuildObj[0].variables.$($varName).value; for ($i = 0; $i -lt $patterns.RegexList.Count; $i++) { if ($varValue -match $patterns.RegexList[$i]) { $count +=1 $settableURLVars += @( [PSCustomObject] @{ Name = $varName; Value = $varValue } ) break } } } } if ($count -gt 0) { $controlResult.AddMessage("Total number of variables that are settable at queue time and contain URL value: ", ($settableURLVars | Measure-Object).Count); $controlResult.AddMessage([VerificationResult]::Failed, "Found variables that are settable at queue time and contain URL value: ", $settableURLVars); $controlResult.AdditionalInfo += "Total number of variables that are settable at queue time and contain URL value: " + ($settableURLVars | Measure-Object).Count; $controlResult.SetStateData("List of variables settable at queue time and containing URL value: ", $settableURLVars); } else { $controlResult.AddMessage([VerificationResult]::Passed, "No variables were found in the build pipeline that are settable at queue time and contain URL value."); } } else { $controlResult.AddMessage([VerificationResult]::Manual, "Regular expressions for detecting URLs in pipeline variables are not defined in your organization."); } } else { $controlResult.AddMessage([VerificationResult]::Passed, "No variables were found in the build pipeline."); } } catch { $controlResult.AddMessage([VerificationResult]::Manual, "Could not fetch variables of the build pipeline."); } return $controlResult; } hidden [ControlResult] CheckExternalSources([ControlResult] $controlResult) { if(($this.BuildObj | Measure-Object).Count -gt 0) { $sourceobj = $this.BuildObj[0].repository | Select-Object -Property @{Name="Name"; Expression = {$_.Name}},@{Name="Type"; Expression = {$_.type}} if( ($this.BuildObj[0].repository.type -eq 'TfsGit') -or ($this.BuildObj[0].repository.type -eq 'TfsVersionControl')) { $controlResult.AddMessage([VerificationResult]::Passed,"Pipeline code is built from trusted repository.", $sourceobj); $controlResult.AdditionalInfo += "Pipeline code is built from trusted repository: " + [JsonHelper]::ConvertToJsonCustomCompressed($sourceobj); $sourceobj = $null; } else { $controlResult.AddMessage([VerificationResult]::Verify,"Pipeline code is built from external repository.", $sourceobj); $controlResult.AdditionalInfo += "Pipeline code is built from external repository: " + [JsonHelper]::ConvertToJsonCustomCompressed($sourceobj); } } return $controlResult; } hidden [ControlResult] CheckTaskGroupEditPermission([ControlResult] $controlResult) { #Task groups have type 'metaTask' whereas individual tasks have type 'task' $taskGroups = @(); if([Helpers]::CheckMember($this.BuildObj[0].process,"phases")) #phases is not available for YAML-based pipelines. { if([Helpers]::CheckMember($this.BuildObj[0].process.phases[0],"steps")) { $taskGroups += $this.BuildObj[0].process.phases[0].steps | Where-Object {$_.task.definitiontype -eq 'metaTask'} } $editableTaskGroups = @(); if(($taskGroups | Measure-Object).Count -gt 0) { $apiURL = "https://dev.azure.com/{0}/_apis/Contribution/HierarchyQuery?api-version=5.0-preview.1" -f $($this.SubscriptionContext.SubscriptionName) $projectId = $this.BuildObj.project.id $projectName = $this.BuildObj.project.name try { $taskGroups | ForEach-Object { $taskGrpId = $_.task.id $taskGrpURL="https://dev.azure.com/{0}/{1}/_taskgroup/{2}" -f $($this.SubscriptionContext.SubscriptionName), $($projectName), $($taskGrpId) $permissionSetToken = "$projectId/$taskGrpId" #permissionSetId = 'f6a4de49-dbe2-4704-86dc-f8ec1a294436' is the std. namespaceID. Refer: https://docs.microsoft.com/en-us/azure/devops/organizations/security/manage-tokens-namespaces?view=azure-devops#namespaces-and-their-ids $inputbody = "{ 'contributionIds': [ 'ms.vss-admin-web.security-view-members-data-provider' ], 'dataProviderContext': { 'properties': { 'permissionSetId': 'f6a4de49-dbe2-4704-86dc-f8ec1a294436', 'permissionSetToken': '$permissionSetToken', 'sourcePage': { 'url': '$taskGrpURL', 'routeId':'ms.vss-distributed-task.hub-task-group-edit-route', 'routeValues': { 'project': '$projectName', 'taskGroupId': '$taskGrpId', 'controller':'Apps', 'action':'ContributedHub', 'viewname':'task-groups-edit' } } } } }" | ConvertFrom-Json # This web request is made to fetch all identities having access to task group - it will contain descriptor for each of them. # We need contributor's descriptor to fetch its permissions on task group. $responseObj = [WebRequestHelper]::InvokePostWebRequest($apiURL,$inputbody); #Filtering out Contributors group. if([Helpers]::CheckMember($responseObj[0],"dataProviders") -and ($responseObj[0].dataProviders.'ms.vss-admin-web.security-view-members-data-provider') -and ([Helpers]::CheckMember($responseObj[0].dataProviders.'ms.vss-admin-web.security-view-members-data-provider',"identities"))) { $contributorObj = $responseObj[0].dataProviders.'ms.vss-admin-web.security-view-members-data-provider'.identities | Where-Object {$_.subjectKind -eq 'group' -and $_.principalName -eq "[$projectName]\Contributors"} # $contributorObj would be null if none of its permissions are set i.e. all perms are 'Not Set'. if($contributorObj) { $contributorInputbody = "{ 'contributionIds': [ 'ms.vss-admin-web.security-view-permissions-data-provider' ], 'dataProviderContext': { 'properties': { 'subjectDescriptor': '$($contributorObj.descriptor)', 'permissionSetId': 'f6a4de49-dbe2-4704-86dc-f8ec1a294436', 'permissionSetToken': '$permissionSetToken', 'accountName': '$(($contributorObj.principalName).Replace('\','\\'))', 'sourcePage': { 'url': '$taskGrpURL', 'routeId':'ms.vss-distributed-task.hub-task-group-edit-route', 'routeValues': { 'project': '$projectName', 'taskGroupId': '$taskGrpId', 'controller':'Apps', 'action':'ContributedHub', 'viewname':'task-groups-edit' } } } } }" | ConvertFrom-Json #Web request to fetch RBAC permissions of Contributors group on task group. $contributorResponseObj = [WebRequestHelper]::InvokePostWebRequest($apiURL,$contributorInputbody); $contributorRBACObj = $contributorResponseObj[0].dataProviders.'ms.vss-admin-web.security-view-permissions-data-provider'.subjectPermissions $editPerms = $contributorRBACObj | Where-Object {$_.displayName -eq 'Edit task group'} #effectivePermissionValue equals to 1 implies edit task group perms is set to 'Allow'. Its value is 3 if it is set to Allow (inherited). This param is not available if it is 'Not Set'. if([Helpers]::CheckMember($editPerms,"effectivePermissionValue") -and (($editPerms.effectivePermissionValue -eq 1) -or ($editPerms.effectivePermissionValue -eq 3))) { $editableTaskGroups += $_.displayName } } } } if(($editableTaskGroups | Measure-Object).Count -gt 0) { $controlResult.AddMessage("Total number of task groups on which contributors have edit permissions in build definition: ", ($editableTaskGroups | Measure-Object).Count); $controlResult.AdditionalInfo += "Total number of task groups on which contributors have edit permissions in build definition: " + ($editableTaskGroups | Measure-Object).Count; $controlResult.AddMessage([VerificationResult]::Failed,"Contributors have edit permissions on the below task groups used in build definition: ", $editableTaskGroups); $controlResult.SetStateData("List of task groups used in build definition that contributors can edit: ", $editableTaskGroups); } else { $controlResult.AddMessage([VerificationResult]::Passed,"Contributors do not have edit permissions on any task groups used in build definition."); } } catch { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch the RBAC details of task groups used in the pipeline."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"No task groups found in build definition."); } } else { if([Helpers]::CheckMember($this.BuildObj[0].process,"yamlFilename")) #if the pipeline is YAML-based - control should pass as task groups are not supported for YAML pipelines. { $controlResult.AddMessage([VerificationResult]::Passed,"Task groups are not supported in YAML pipelines."); } else { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch the list of task groups used in the pipeline."); } } return $controlResult; } hidden [ControlResult] CheckVariableGroupEditPermission([ControlResult] $controlResult) { if([Helpers]::CheckMember($this.BuildObj[0],"variableGroups")) { $varGrps = $this.BuildObj[0].variableGroups $projectId = $this.BuildObj.project.id $projectName = $this.BuildObj.project.name $editableVarGrps = @(); try { $varGrps | ForEach-Object{ $url = 'https://dev.azure.com/{0}/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/{1}%24{2}?api-version=6.1-preview.1' -f $($this.SubscriptionContext.SubscriptionName), $($projectId), $($_.Id); $responseObj = [WebRequestHelper]::InvokeGetWebRequest($url); if(($responseObj | Measure-Object).Count -gt 0) { $contributorsObj = $responseObj | Where-Object {$_.identity.uniqueName -eq "[$projectName]\Contributors"} if((-not [string]::IsNullOrEmpty($contributorsObj)) -and ($contributorsObj.role.name -ne 'Reader')){ $editableVarGrps += $_.name } } } if(($editableVarGrps | Measure-Object).Count -gt 0) { $controlResult.AddMessage("Total number of variable groups on which contributors have edit permissions in build definition: ", ($editableVarGrps | Measure-Object).Count); $controlResult.AdditionalInfo += "Total number of variable groups on which contributors have edit permissions in build definition: " + ($editableVarGrps | Measure-Object).Count; $controlResult.AddMessage([VerificationResult]::Failed,"Contributors have edit permissions on the below variable groups used in build definition: ", $editableVarGrps); $controlResult.SetStateData("List of variable groups used in build definition that contributors can edit: ", $editableVarGrps); } else { $controlResult.AddMessage([VerificationResult]::Passed,"Contributors do not have edit permissions on any variable groups used in build definition."); } } catch { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch the RBAC details of variable groups used in the pipeline."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"No variable groups found in build definition."); } return $controlResult } hidden [ControlResult] CheckBuildAuthZScope([ControlResult] $controlResult) { if([Helpers]::CheckMember($this.BuildObj[0],"jobAuthorizationScope")) { $jobAuthorizationScope = $this.BuildObj[0].jobAuthorizationScope if ($jobAuthorizationScope -eq "projectCollection") { $controlResult.AddMessage([VerificationResult]::Failed,"Access token of build pipeline is scoped to project collection."); } else { $controlResult.AddMessage([VerificationResult]::Passed,"Access token of build pipeline is scoped to current project."); } } else { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch pipeline authorization details."); } return $controlResult } hidden [ControlResult] CheckPipelineEditPermission([ControlResult] $controlResult) { $orgName = $($this.SubscriptionContext.SubscriptionName) $projectId = $this.BuildObj.project.id $projectName = $this.BuildObj.project.name $buildId = $this.BuildObj.id $permissionSetToken = "$projectId/$buildId" $buildURL = "https://dev.azure.com/$orgName/$projectName/_build?definitionId=$buildId" $apiURL = "https://dev.azure.com/{0}/_apis/Contribution/HierarchyQuery/project/{1}?api-version=5.0-preview.1" -f $orgName, $projectId $inputbody = "{ 'contributionIds': [ 'ms.vss-admin-web.security-view-members-data-provider' ], 'dataProviderContext': { 'properties': { 'permissionSetId': '$([Build]::SecurityNamespaceId)', 'permissionSetToken': '$permissionSetToken', 'sourcePage': { 'url': '$buildURL', 'routeId': 'ms.vss-build-web.pipeline-details-route', 'routeValues': { 'project': '$projectName', 'viewname': 'details', 'controller': 'ContributedPage', 'action': 'Execute' } } } } }" | ConvertFrom-Json try { $responseObj = [WebRequestHelper]::InvokePostWebRequest($apiURL,$inputbody); if([Helpers]::CheckMember($responseObj[0],"dataProviders") -and ($responseObj[0].dataProviders.'ms.vss-admin-web.security-view-members-data-provider') -and ([Helpers]::CheckMember($responseObj[0].dataProviders.'ms.vss-admin-web.security-view-members-data-provider',"identities"))) { $contributorObj = $responseObj[0].dataProviders.'ms.vss-admin-web.security-view-members-data-provider'.identities | Where-Object {$_.subjectKind -eq 'group' -and $_.principalName -eq "[$projectName]\Contributors"} # $contributorObj would be null if none of its permissions are set i.e. all perms are 'Not Set'. if($contributorObj) { $contributorInputbody = "{ 'contributionIds': [ 'ms.vss-admin-web.security-view-permissions-data-provider' ], 'dataProviderContext': { 'properties': { 'subjectDescriptor': '$($contributorObj.descriptor)', 'permissionSetId': '$([Build]::SecurityNamespaceId)', 'permissionSetToken': '$permissionSetToken', 'accountName': '$(($contributorObj.principalName).Replace('\','\\'))', 'sourcePage': { 'url': '$buildURL', 'routeId': 'ms.vss-build-web.pipeline-details-route', 'routeValues': { 'project': '$projectName', 'viewname': 'details', 'controller': 'ContributedPage', 'action': 'Execute' } } } } }" | ConvertFrom-Json #Web request to fetch RBAC permissions of Contributors group on task group. $contributorResponseObj = [WebRequestHelper]::InvokePostWebRequest($apiURL,$contributorInputbody); $contributorRBACObj = $contributorResponseObj[0].dataProviders.'ms.vss-admin-web.security-view-permissions-data-provider'.subjectPermissions $editPerms = $contributorRBACObj | Where-Object {$_.displayName -eq 'Edit build pipeline'} if([Helpers]::CheckMember($editPerms,"effectivePermissionValue")) { #effectivePermissionValue equals to 1 implies edit build pipeline perms is set to 'Allow'. Its value is 3 if it is set to Allow (inherited). This param is not available if it is 'Not Set'. if(($editPerms.effectivePermissionValue -eq 1) -or ($editPerms.effectivePermissionValue -eq 3)) { $controlResult.AddMessage([VerificationResult]::Failed,"Contributors have edit permissions on the build pipeline."); } else { $controlResult.AddMessage([VerificationResult]::Passed,"Contributors do not have edit permissions on the build pipeline."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"Contributors do not have edit permissions on the build pipeline."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"Contributors do not have access to the build pipeline."); } } else { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch RBAC details of the pipeline."); } } catch { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch RBAC details of the pipeline."); } return $controlResult; } hidden [ControlResult] CheckForkedBuildTrigger([ControlResult] $controlResult) { if([Helpers]::CheckMember($this.BuildObj[0],"triggers")) { $pullRequestTrigger = $this.BuildObj[0].triggers | Where-Object {$_.triggerType -eq "pullRequest"} if($pullRequestTrigger) { if([Helpers]::CheckMember($pullRequestTrigger,"forks")) { if(($pullRequestTrigger.forks.enabled -eq $true) -and ($pullRequestTrigger.forks.allowSecrets -eq $true)) { $controlResult.AddMessage([VerificationResult]::Failed,"Secrets are available to builds of forked repository."); } else { $controlResult.AddMessage([VerificationResult]::Passed,"Secrets are not available to builds of forked repository."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"Secrets are not available to builds of forked repository."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"Pull request validation trigger is not enabled for build pipeline."); } } else { $controlResult.AddMessage([VerificationResult]::Passed,"No trigger is enabled for build pipeline."); } return $controlResult } hidden [ControlResult] CheckForkedRepoOnSHAgent([ControlResult] $controlResult) { try { #If repo made by fork then only 'isFork' property comes. if ([Helpers]::CheckMember($this.BuildObj.repository, "properties.isFork") -and $this.BuildObj.repository.properties.isFork -eq $true) { #If agent pool is hosted then only 'isHosted' property comes, 'isHosted' property does not comes if pool is non-hosted if ([Helpers]::CheckMember($this.BuildObj, "queue.pool") -and !([Helpers]::CheckMember($this.BuildObj.queue.pool,"isHosted") -and $this.BuildObj.queue.pool.isHosted -eq $true ) ) { #https://dev.azure.com/{0}/_apis/distributedtask/pools?poolIds={1}&api-version=6.0 $controlResult.AddMessage([VerificationResult]::Failed,"Pipeline builds code from forked repository [$($this.BuildObj.repository.name)] on self-hosted agent [$($this.BuildObj.queue.pool.name)]."); $controlResult.AdditionalInfo += "Pipeline builds code from forked repository [$($this.BuildObj.repository.name)] on self-hosted agent [$($this.BuildObj.queue.pool.name)]."; } else { $controlResult.AddMessage([VerificationResult]::Passed,"Pipeline builds code from forked repository [$($this.BuildObj.repository.name)] on hosted agent [$($this.BuildObj.queue.pool.name)]."); $controlResult.AdditionalInfo += "Pipeline builds code from forked repository [$($this.BuildObj.repository.name)] on hosted agent [$($this.BuildObj.queue.pool.name)]."; } } else { $controlResult.AddMessage([VerificationResult]::Passed,"Pipeline does not build code from forked repository."); } } catch { $controlResult.AddMessage([VerificationResult]::Error,"Could not fetch the pipeline details."); } return $controlResult; } hidden [ControlResult] CheckCIScheduledBuildTrigger([ControlResult] $controlResult) { if(($this.BuildObj | Measure-Object).Count -gt 0) { $sourceobj = $this.BuildObj[0].repository | Select-Object -Property @{Name="Name"; Expression = {$_.Name}},@{Name="Type"; Expression = {$_.type}} if( ($this.BuildObj[0].repository.type -eq 'TfsGit') -or ($this.BuildObj[0].repository.type -eq 'TfsVersionControl')) { $controlResult.AddMessage([VerificationResult]::Passed,"Pipeline code is built from trusted repository.", $sourceobj); $controlResult.AdditionalInfo += "Pipeline code is built from trusted repository: " + [JsonHelper]::ConvertToJsonCustomCompressed($sourceobj); } else { $controlResult.AddMessage("Pipeline code is built from untrusted external repository.", $sourceobj); $controlResult.AdditionalInfo += "Pipeline code is built from untrusted external repository: " + [JsonHelper]::ConvertToJsonCustomCompressed($sourceobj); if ([Helpers]::CheckMember($this.BuildObj[0], "triggers")) { $CITrigger = $this.BuildObj[0].triggers | Where-Object { $_.triggerType -eq "continuousIntegration"} $ScheduledTrigger = $this.BuildObj[0].triggers | Where-Object { $_.triggerType -eq "schedule" } if ($CITrigger -or $ScheduledTrigger) { $flag = $false; if ($CITrigger) { $controlResult.AddMessage([VerificationResult]::Failed, 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