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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "printing/client_info_helpers.h"
#include "base/no_destructor.h"
#include "base/types/optional_util.h"
#include "printing/mojom/print.mojom.h"
#include "third_party/re2/src/re2/re2.h"
namespace printing {
namespace {
bool ValidateClientType(mojom::IppClientInfo::ClientType type) {
return type >= mojom::IppClientInfo::ClientType::kMinValue &&
type <= mojom::IppClientInfo::ClientType::kMaxValue;
}
bool ValidateStringMember(const std::string* value, size_t max_length) {
static const base::NoDestructor<RE2> kStringRegex("[a-zA-Z0-9_.-]*");
return value == nullptr ||
(value->size() <= max_length && RE2::FullMatch(*value, *kStringRegex));
}
} // namespace
bool ValidateClientInfoItem(const mojom::IppClientInfo& client_info) {
return ValidateClientType(client_info.client_type) &&
ValidateStringMember(&client_info.client_name,
kClientInfoMaxNameLength) &&
ValidateStringMember(&client_info.client_string_version,
kClientInfoMaxStringVersionLength) &&
ValidateStringMember(base::OptionalToPtr(client_info.client_patches),
kClientInfoMaxPatchesLength) &&
ValidateStringMember(base::OptionalToPtr(client_info.client_version),
kClientInfoMaxVersionLength);
}
} // namespace printing
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