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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/install/crx_install_error.h"
#include "base/check_op.h"
#include "base/containers/contains.h"
#include "extensions/browser/install/sandboxed_unpacker_failure_reason.h"
namespace extensions {
CrxInstallError::CrxInstallError(CrxInstallErrorType type,
CrxInstallErrorDetail detail,
const std::u16string& message)
: type_(type), detail_(detail), message_(message) {
DCHECK_NE(CrxInstallErrorType::NONE, type);
DCHECK_NE(CrxInstallErrorType::SANDBOXED_UNPACKER_FAILURE, type);
}
CrxInstallError::CrxInstallError(CrxInstallErrorType type,
CrxInstallErrorDetail detail)
: CrxInstallError(type, detail, std::u16string()) {}
CrxInstallError::CrxInstallError(SandboxedUnpackerFailureReason reason,
const std::u16string& message)
: type_(CrxInstallErrorType::SANDBOXED_UNPACKER_FAILURE),
detail_(CrxInstallErrorDetail::NONE),
sandbox_failure_detail_(reason),
message_(message) {}
CrxInstallError::CrxInstallError(const CrxInstallError& other) = default;
CrxInstallError::CrxInstallError(CrxInstallError&& other) = default;
CrxInstallError& CrxInstallError::operator=(const CrxInstallError& other) =
default;
CrxInstallError& CrxInstallError::operator=(CrxInstallError&& other) = default;
CrxInstallError::~CrxInstallError() = default;
// For SANDBOXED_UNPACKER_FAILURE type, use sandbox_failure_detail().
CrxInstallErrorDetail CrxInstallError::detail() const {
DCHECK_NE(CrxInstallErrorType::SANDBOXED_UNPACKER_FAILURE, type_);
return detail_;
}
// sandbox_failure_detail() only returns a value when the error type is
// SANDBOXED_UNPACKER_FAILURE.
SandboxedUnpackerFailureReason CrxInstallError::sandbox_failure_detail() const {
DCHECK_EQ(CrxInstallErrorType::SANDBOXED_UNPACKER_FAILURE, type_);
DCHECK(sandbox_failure_detail_);
return sandbox_failure_detail_.value();
}
// Returns true if the error occurred during crx file verification.
// Use this only if the error type is SANDBOXED_UNPACKER_FAILURE.
bool CrxInstallError::IsCrxVerificationFailedError() const {
// List of unpack failure codes related to bad CRX file.
constexpr SandboxedUnpackerFailureReason kVerificationFailureReasons[] = {
SandboxedUnpackerFailureReason::CRX_FILE_NOT_READABLE,
SandboxedUnpackerFailureReason::CRX_HEADER_INVALID,
SandboxedUnpackerFailureReason::CRX_MAGIC_NUMBER_INVALID,
SandboxedUnpackerFailureReason::CRX_VERSION_NUMBER_INVALID,
SandboxedUnpackerFailureReason::CRX_EXCESSIVELY_LARGE_KEY_OR_SIGNATURE,
SandboxedUnpackerFailureReason::CRX_ZERO_KEY_LENGTH,
SandboxedUnpackerFailureReason::CRX_ZERO_SIGNATURE_LENGTH,
SandboxedUnpackerFailureReason::CRX_PUBLIC_KEY_INVALID,
SandboxedUnpackerFailureReason::CRX_SIGNATURE_INVALID,
SandboxedUnpackerFailureReason::
CRX_SIGNATURE_VERIFICATION_INITIALIZATION_FAILED,
SandboxedUnpackerFailureReason::CRX_SIGNATURE_VERIFICATION_FAILED,
SandboxedUnpackerFailureReason::CRX_HASH_VERIFICATION_FAILED,
SandboxedUnpackerFailureReason::CRX_FILE_IS_DELTA_UPDATE,
SandboxedUnpackerFailureReason::CRX_EXPECTED_HASH_INVALID,
SandboxedUnpackerFailureReason::CRX_REQUIRED_PROOF_MISSING,
};
if (type() != CrxInstallErrorType::SANDBOXED_UNPACKER_FAILURE) {
return false;
}
const SandboxedUnpackerFailureReason unpacker_failure_reason =
sandbox_failure_detail();
return base::Contains(kVerificationFailureReasons, unpacker_failure_reason);
}
// Returns true if the error occurred during crx installation due to mismatch in
// expectations from the manifest.
bool CrxInstallError::IsCrxExpectationsFailedError() const {
if (type() != CrxInstallErrorType::OTHER) {
return false;
}
const CrxInstallErrorDetail failure_reason = detail();
return failure_reason == CrxInstallErrorDetail::UNEXPECTED_ID ||
failure_reason == CrxInstallErrorDetail::MISMATCHED_VERSION;
}
} // namespace extensions
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