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core: record handler and provider provenance in plans and results #342
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| function ConvertTo-IdleSourceInfo { | ||
| <# | ||
| .SYNOPSIS | ||
| Creates the data-only provenance record for a step handler or provider. | ||
|
|
||
| .DESCRIPTION | ||
| Returns @{ Module; Version } for the given module. If the module is unknown (e.g. a host-defined | ||
| function or provider object without a module), Module and Version are $null. | ||
|
|
||
| .PARAMETER Module | ||
| The module that defines the handler or provider, or $null if unknown. | ||
|
|
||
| .OUTPUTS | ||
| Ordered hashtable with keys Module, Version. | ||
| #> | ||
| [CmdletBinding()] | ||
| param( | ||
| [Parameter()] | ||
| [AllowNull()] | ||
| [System.Management.Automation.PSModuleInfo] $Module | ||
| ) | ||
|
|
||
| if ($null -eq $Module) { | ||
| return [ordered]@{ | ||
| Module = $null | ||
| Version = $null | ||
| } | ||
| } | ||
|
|
||
| return [ordered]@{ | ||
| Module = $Module.Name | ||
| Version = $Module.Version.ToString() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| function Get-IdleProviderSources { | ||
| <# | ||
| .SYNOPSIS | ||
| Returns the provenance of every provider in the Providers map (alias -> source record). | ||
|
|
||
| .DESCRIPTION | ||
| Providers are map entries that expose GetCapabilities(). Other entries (StepRegistry, StepMetadata, | ||
| AuthSessionBroker, placeholders) are not providers and are skipped. | ||
|
|
||
| The module of a provider is the module that defines its GetCapabilities script method. Provider | ||
| objects created outside a module (e.g. in a host script) have no module. | ||
|
|
||
| .PARAMETER Providers | ||
| The Providers map passed to planning or execution. | ||
|
|
||
| .OUTPUTS | ||
| Ordered hashtable mapping provider alias (sorted) to a source record (see ConvertTo-IdleSourceInfo). | ||
| #> | ||
| [CmdletBinding()] | ||
| param( | ||
| [Parameter()] | ||
| [AllowNull()] | ||
| [object] $Providers | ||
| ) | ||
|
|
||
| $sources = [ordered]@{} | ||
|
|
||
| if ($null -eq $Providers) { | ||
| return $sources | ||
| } | ||
|
|
||
| $entries = @{} | ||
| if ($Providers -is [System.Collections.IDictionary]) { | ||
| foreach ($key in $Providers.Keys) { | ||
| $entries[[string]$key] = $Providers[$key] | ||
| } | ||
| } | ||
| else { | ||
| foreach ($prop in $Providers.PSObject.Properties) { | ||
| $entries[$prop.Name] = $prop.Value | ||
| } | ||
| } | ||
|
|
||
| foreach ($alias in @($entries.Keys | Sort-Object)) { | ||
| $provider = $entries[$alias] | ||
| if ($null -eq $provider) { | ||
| continue | ||
| } | ||
|
|
||
| $method = $provider.PSObject.Methods['GetCapabilities'] | ||
| if ($null -eq $method) { | ||
| continue | ||
| } | ||
|
|
||
| $module = if ($method -is [System.Management.Automation.PSScriptMethod]) { $method.Script.Module } else { $null } | ||
| $sources[$alias] = ConvertTo-IdleSourceInfo -Module $module | ||
| } | ||
|
|
||
| return $sources | ||
| } | ||
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If a host supplies a case-sensitive
IDictionarywith aliases that differ only by case, this@{}scratch map (and the ordered map above) merges them because PowerShell hashtable literals are case-insensitive (PowerShell case-sensitivity docs).ProviderSourcescan then omit an alias or report the wrong provider's module and version, making the audit provenance diverge from the providers available at execution; preserve keys in a case-sensitive representation throughout.Useful? React with 👍 / 👎.