TestPlasterManifest.ps1
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function Test-PlasterManifest { [CmdletBinding()] [OutputType([System.Xml.XmlDocument])] param( [Parameter(Position=0, ParameterSetName="Path", ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true, HelpMessage="Specifies a path to a plasterManifest.xml file.")] [Alias("PSPath")] [ValidateNotNullOrEmpty()] [string[]] $Path = @("$pwd\plasterManifest.xml") ) begin { $schemaPath = [System.IO.Path]::Combine($PSScriptRoot, "Schema", "PlasterManifest-v1.xsd") # Schema validation is not available on .NET Core - at the moment. if ('System.Xml.Schema.XmlSchemaSet' -as [type]) { $xmlSchemaSet = New-Object System.Xml.Schema.XmlSchemaSet $xmlSchemaSet.Add($TargetNamespace, $schemaPath) > $null } else { $PSCmdLet.WriteWarning($LocalizedData.TestPlasterNoXmlSchemaValidationWarning) } } process { foreach ($aPath in $Path) { $aPath = $PSCmdLet.GetUnresolvedProviderPathFromPSPath($aPath) if (!(Test-Path -LiteralPath $aPath)) { $ex = New-Object System.Management.Automation.ItemNotFoundException ($LocalizedData.ErrorPathDoesNotExist_F1 -f $aPath) $category = [System.Management.Automation.ErrorCategory]::ObjectNotFound $errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$aPath $PSCmdLet.WriteError($errRecord) return } $filename = Split-Path $aPath -Leaf # Verify the manifest has the correct filename. Allow for localized template manifest files as well. if (!(($filename -eq 'plasterManifest.xml') -or ($filename -match 'plasterManifest_[a-zA-Z]+(-[a-zA-Z]+){0,2}.xml'))) { Write-Error ($LocalizedData.ManifestWrongFilename_F1 -f $filename) return } # Verify the manifest loads into an XmlDocument i.e. verify it is well-formed. $manifest = $null try { $manifest = [xml](Get-Content $aPath) } catch { $ex = New-Object System.Exception ($LocalizedData.ManifestNotWellFormedXml_F2 -f $aPath, $_.Exception.Message), $_.Exception $category = [System.Management.Automation.ErrorCategory]::InvalidData $errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'InvalidManifestFile',$category,$aPath $psCmdlet.WriteError($errRecord) return } # Validate the manifest contains the required root element and target namespace that the following # XML schema validation will apply to. if (!$manifest.plasterManifest) { Write-Error ($LocalizedData.ManifestMissingDocElement_F2 -f $aPath,$TargetNamespace) return } if ($manifest.plasterManifest.NamespaceURI -cne $TargetNamespace) { Write-Error ($LocalizedData.ManifestMissingDocTargetNamespace_F2 -f $aPath,$TargetNamespace) return } # Valid flag is stashed in a hashtable so the ValidationEventHandler scriptblock can set the value. $manifestIsValid = @{Value = $true} # Configure an XmlReader and XmlReaderSettings to perform schema validation on xml file. $xmlReaderSettings = New-Object System.Xml.XmlReaderSettings # Schema validation is not available on .NET Core - at the moment. if ($xmlSchemaSet) { $xmlReaderSettings.ValidationFlags = [System.Xml.Schema.XmlSchemaValidationFlags]::ReportValidationWarnings $xmlReaderSettings.ValidationType = [System.Xml.ValidationType]::Schema $xmlReaderSettings.Schemas = $xmlSchemaSet } # Schema validation is not available on .NET Core - at the moment. if ($xmlSchemaSet) { # Event handler scriptblock for the ValidationEventHandler event. $validationEventHandler = { param($sender, $eventArgs) if ($eventArgs.Severity -eq [System.Xml.Schema.XmlSeverityType]::Error) { Write-Verbose ($LocalizedData.ManifestSchemaValidationError_F2 -f $aPath,$eventArgs.Message) $manifestIsValid.Value = $false } } $xmlReaderSettings.add_ValidationEventHandler($validationEventHandler) } [System.Xml.XmlReader]$xmlReader = $null try { $xmlReader = [System.Xml.XmlReader]::Create($aPath, $xmlReaderSettings) while ($xmlReader.Read()) {} } catch { Write-Error ($LocalizedData.ManifestErrorReading_F1 -f $_) $manifestIsValid.Value = $false } finally { # Schema validation is not available on .NET Core - at the moment. if ($xmlSchemaSet) { $xmlReaderSettings.remove_ValidationEventHandler($validationEventHandler) } if ($xmlReader) { $xmlReader.Dispose() } } # Validate default values for choice/multichoice parameters containing 1 or more ints $xpath = "//tns:parameter[@type='choice'] | //tns:parameter[@type='multichoice']" $choiceParameters = Select-Xml -Xml $manifest -XPath $xpath -Namespace @{tns=$TargetNamespace} foreach ($choiceParameterXmlInfo in $choiceParameters) { $choiceParameter = $choiceParameterXmlInfo.Node if (!$choiceParameter.default) { continue } if ($choiceParameter.type -eq 'choice') { if ($null -eq ($choiceParameter.default -as [int])) { $PSCmdLet.WriteVerbose(($LocalizedData.ManifestSchemaInvalidChoiceDefault_F3 -f $choiceParameter.default,$choiceParameter.name,$aPath)) $manifestIsValid.Value = $false } } else { if ($null -eq (($choiceParameter.default -split ',') -as [int[]])) { $PSCmdLet.WriteVerbose(($LocalizedData.ManifestSchemaInvalidMultichoiceDefault_F3 -f $choiceParameter.default,$choiceParameter.name,$aPath)) $manifestIsValid.Value = $false } } } # Validate that the requireModule attribute requiredVersion is mutually exclusive from both # the version and maximumVersion attributes. $requireModules = Select-Xml -Xml $manifest -XPath '//tns:requireModule' -Namespace @{tns = $TargetNamespace} foreach ($requireModuleInfo in $requireModules) { $requireModuleNode = $requireModuleInfo.Node if ($requireModuleNode.requiredVersion -and ($requireModuleNode.minimumVersion -or $requireModuleNode.maximumVersion)) { $PSCmdLet.WriteVerbose(($LocalizedData.ManifestSchemaInvalidRequireModuleAttrs_F2 -f $requireModuleNode.name,$aPath)) $manifestIsValid.Value = $false } } # Validate that all the condition attribute values are valid PowerShell script. $conditionAttrs = Select-Xml -Xml $manifest -XPath '//@condition' foreach ($conditionAttr in $conditionAttrs) { $tokens = $errors = $null $null = [System.Management.Automation.Language.Parser]::ParseInput($conditionAttr.Node.Value, [ref] $tokens, [ref] $errors) if ($errors.Count -gt 0) { $msg = $LocalizedData.ManifestSchemaInvalidCondition_F3 -f $conditionAttr.Node.Value, $aPath, $errors[0] $PSCmdLet.WriteVerbose($msg) $manifestIsValid.Value = $false } } # Validate all interpolated attribute values are valid within a PowerShell string interpolation context. $interpolatedAttrs = @(Select-Xml -Xml $manifest -XPath '//tns:parameter/@default' -Namespace @{tns = $TargetNamespace}) $interpolatedAttrs += @(Select-Xml -Xml $manifest -XPath '//tns:parameter/@prompt' -Namespace @{tns = $TargetNamespace}) $interpolatedAttrs += @(Select-Xml -Xml $manifest -XPath '//tns:content/tns:*/@*' -Namespace @{tns = $TargetNamespace}) foreach ($interpolatedAttr in $interpolatedAttrs) { $name = $interpolatedAttr.Node.LocalName if ($name -eq 'condition') { continue } $tokens = $errors = $null $value = $interpolatedAttr.Node.Value $null = [System.Management.Automation.Language.Parser]::ParseInput("`"$value`"", [ref] $tokens, [ref] $errors) if ($errors.Count -gt 0) { $ownerName = $interpolatedAttr.Node.OwnerElement.LocalName $msg = $LocalizedData.ManifestSchemaInvalidAttrValue_F5 -f $name, $value, $ownerName, $aPath, $errors[0] $PSCmdLet.WriteVerbose($msg) $manifestIsValid.Value = $false } } if ($manifestIsValid.Value) { # Verify manifest schema version is supported. $manifestSchemaVersion = [System.Version]$manifest.plasterManifest.schemaVersion # Use a simplified form (no patch version) of semver for checking XML schema version compatibility. if (($manifestSchemaVersion.Major -gt $LatestSupportedSchemaVersion.Major) -or (($manifestSchemaVersion.Major -eq $LatestSupportedSchemaVersion.Major) -and ($manifestSchemaVersion.Minor -gt $LatestSupportedSchemaVersion.Minor))) { Write-Error ($LocalizedData.ManifestSchemaVersionNotSupported_F2 -f $manifestSchemaVersion,$aPath) return } # Verify that the plasterVersion is supported. if ($manifest.plasterManifest.plasterVersion) { $requiredPlasterVersion = [System.Version]$manifest.plasterManifest.plasterVersion # Is user specifies major.minor, change build to 0 (from default of -1) so compare works correctly. if ($requiredPlasterVersion.Build -eq -1) { $requiredPlasterVersion = [System.Version]"${requiredPlasterVersion}.0" } if ($requiredPlasterVersion -gt $MyInvocation.MyCommand.Module.Version) { $plasterVersion = $manifest.plasterManifest.plasterVersion Write-Error ($LocalizedData.ManifestPlasterVersionNotSupported_F2 -f $aPath,$plasterVersion) return } } $manifest } else { if ($PSBoundParameters['Verbose']) { Write-Error ($LocalizedData.ManifestNotValid_F1 -f $aPath) } else { Write-Error ($LocalizedData.ManifestNotValidVerbose_F1 -f $aPath) } } } } } |