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Allow unsigned source for development testing #5790

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Allow unsigned source for development testing #5790

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2001135
Allow unsigned source for development testing
dkbennett Oct 9, 2025
ce099f9
Fix spelling
dkbennett Oct 10, 2025
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1 change: 1 addition & 0 deletions .github/actions/spelling/allow.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ curated
CURSORPOSITON
CUSTOMHEADER
cvd
DAICLI
datatelemetry
datetime
dbconn
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14 changes: 11 additions & 3 deletions src/AppInstallerRepositoryCore/Microsoft/PreIndexedPackageSourceFactory.cpp
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Expand Up @@ -20,6 +20,14 @@ namespace AppInstaller::Repository::Microsoft
{
namespace
{
// To use an unsigned source, set AICLI_ALLOW_UNSIGNED_SOURCE and use a debug build.
// Ex: set CL=/DAICLI_ALLOW_UNSIGNED_SOURCE
#if ! defined( AICLI_DISABLE_TEST_HOOKS ) && defined( AICLI_ALLOW_UNSIGNED_SOURCE )
static bool s_AllowUnsignedSource = true;
#else
static bool s_AllowUnsignedSource = false;
#endif

static constexpr std::string_view s_PreIndexedPackageSourceFactory_PackageFileName = "source.msix"sv;
static constexpr std::string_view s_PreIndexedPackageSourceFactory_V2_PackageFileName = "source2.msix"sv;
static constexpr std::string_view s_PreIndexedPackageSourceFactory_PackageVersionHeader = "x-ms-meta-sourceversion"sv;
Expand Down Expand Up @@ -593,7 +601,7 @@ namespace AppInstaller::Repository::Microsoft
Msix::WriteLockedMsixFile indexPackage{ packageLocation };

// Validate index package trust info.
THROW_HR_IF(APPINSTALLER_CLI_ERROR_SOURCE_DATA_INTEGRITY_FAILURE, !indexPackage.ValidateTrustInfo(WI_IsFlagSet(m_details.TrustLevel, SourceTrustLevel::StoreOrigin)));
THROW_HR_IF(APPINSTALLER_CLI_ERROR_SOURCE_DATA_INTEGRITY_FAILURE, !s_AllowUnsignedSource && !indexPackage.ValidateTrustInfo(WI_IsFlagSet(m_details.TrustLevel, SourceTrustLevel::StoreOrigin)));

// Create a temp lock exclusive index file.
auto tempIndexFilePath = Runtime::GetNewTempFilePath();
Expand Down Expand Up @@ -683,7 +691,7 @@ namespace AppInstaller::Repository::Microsoft
THROW_HR_IF(APPINSTALLER_CLI_ERROR_SOURCE_DATA_INTEGRITY_FAILURE,
GetPackageFamilyNameFromDetails(details) != Msix::GetPackageFamilyNameFromFullName(tempMsixInfo.GetPackageFullName()));

if (!tempIndexPackage.ValidateTrustInfo(WI_IsFlagSet(details.TrustLevel, SourceTrustLevel::StoreOrigin)))
if (!s_AllowUnsignedSource && !tempIndexPackage.ValidateTrustInfo(WI_IsFlagSet(details.TrustLevel, SourceTrustLevel::StoreOrigin)))
{
AICLI_LOG(Repo, Error, << "Source update failed. Source package failed trust validation.");
THROW_HR(APPINSTALLER_CLI_ERROR_SOURCE_DATA_INTEGRITY_FAILURE);
Expand Down Expand Up @@ -719,7 +727,7 @@ namespace AppInstaller::Repository::Microsoft

std::unique_ptr<ISourceFactory> PreIndexedPackageSourceFactory::Create()
{
if (Runtime::IsRunningInPackagedContext())
if (!s_AllowUnsignedSource && Runtime::IsRunningInPackagedContext())
{
return std::make_unique<PackagedContextFactory>();
}
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