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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/policy/core/browser/policy_error_map.h"
#include <algorithm>
#include <iterator>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#include "base/check.h"
#include "base/containers/contains.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "components/policy/core/common/schema.h"
#include "components/strings/grit/components_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
namespace policy {
namespace {
std::u16string ConvertReplacementToUTF16(const std::string& replacement) {
if (!base::IsStringUTF8(replacement))
return u"<invalid Unicode string>";
return base::UTF8ToUTF16(replacement);
}
} // namespace
bool PolicyErrorMap::Data::operator==(const PolicyErrorMap::Data& other) const {
return std::tie(message, level) == std::tie(other.message, other.level);
}
class PolicyErrorMap::PendingError {
public:
PendingError(const std::string& policy_name,
int message_id,
std::vector<std::string> replacements,
const PolicyErrorPath& error_path,
const PolicyMap::MessageType level)
: policy_name_(policy_name),
message_id_(message_id),
replacements_(std::move(replacements)),
error_path_string_(ErrorPathToString(policy_name, error_path)),
level_(level) {
DCHECK(!std::ranges::any_of(replacements_, &std::string::empty));
}
PendingError(const PendingError&) = delete;
PendingError& operator=(const PendingError&) = delete;
~PendingError() = default;
const std::string& policy_name() const { return policy_name_; }
const PolicyMap::MessageType& level() const { return level_; }
std::u16string GetMessage() const {
if (error_path_string_.empty())
return GetMessageContent();
return l10n_util::GetStringFUTF16(IDS_POLICY_ERROR_WITH_PATH,
base::ASCIIToUTF16(error_path_string_),
GetMessageContent());
}
std::u16string GetMessageContent() const {
// TODO(crbug.com/40832324): remove this together with
// AddError(policy, message, error_path) and add a DCHECK
if (message_id_ >= 0) {
std::vector<std::u16string> utf_16_replacements;
std::ranges::transform(replacements_,
std::back_inserter(utf_16_replacements),
&ConvertReplacementToUTF16);
return l10n_util::GetStringFUTF16(message_id_, utf_16_replacements,
nullptr);
}
if (!replacements_.empty()) {
return ConvertReplacementToUTF16(replacements_.front());
}
return std::u16string();
}
private:
std::string policy_name_;
int message_id_;
std::vector<std::string> replacements_;
std::string error_path_string_;
PolicyMap::MessageType level_;
};
PolicyErrorMap::PolicyErrorMap() = default;
PolicyErrorMap::~PolicyErrorMap() = default;
bool PolicyErrorMap::IsReady() const {
return ui::ResourceBundle::HasSharedInstance();
}
void PolicyErrorMap::AddError(const std::string& policy,
int message_id,
PolicyErrorPath error_path,
PolicyMap::MessageType level) {
AddError(policy, message_id, std::vector<std::string>(), error_path, level);
}
void PolicyErrorMap::AddError(const std::string& policy,
int message_id,
const std::string& replacement,
PolicyErrorPath error_path,
PolicyMap::MessageType level) {
AddError(policy, message_id, std::vector<std::string>{replacement},
error_path, level);
}
void PolicyErrorMap::AddError(const std::string& policy,
int message_id,
const std::string& replacement_a,
const std::string& replacement_b,
PolicyErrorPath error_path,
PolicyMap::MessageType level) {
AddError(policy, message_id,
std::vector<std::string>{replacement_a, replacement_b}, error_path,
level);
}
void PolicyErrorMap::AddError(const std::string& policy,
int message_id,
std::vector<std::string> replacements,
PolicyErrorPath error_path,
PolicyMap::MessageType level) {
AddError(std::make_unique<PendingError>(
policy, message_id, std::move(replacements), error_path, level));
}
bool PolicyErrorMap::HasError(const std::string& policy) {
if (IsReady()) {
CheckReadyAndConvert();
return base::Contains(map_, policy);
}
return base::Contains(pending_, policy, &PendingError::policy_name);
}
bool PolicyErrorMap::HasFatalError(const std::string& policy) {
std::pair<std::string, PolicyMap::MessageType> fatal_error =
std::make_pair(policy, PolicyMap::MessageType::kError);
if (IsReady()) {
CheckReadyAndConvert();
return base::Contains(
map_, fatal_error, [](const std::pair<std::string, Data>& entry) {
return std::make_pair(entry.first, entry.second.level);
});
}
return base::Contains(pending_, fatal_error, [](const auto& entry) {
return std::make_pair(entry->policy_name(), entry->level());
});
}
std::u16string PolicyErrorMap::GetErrorMessages(const std::string& policy) {
return GetErrorMessages(policy, PolicyMap::MessageType::kError);
}
std::u16string PolicyErrorMap::GetErrorMessages(
const std::string& policy,
PolicyMap::MessageType message_type) {
CheckReadyAndConvert();
std::pair<const_iterator, const_iterator> range = map_.equal_range(policy);
std::vector<std::u16string_view> list;
for (auto it = range.first; it != range.second; ++it) {
if (it->second.level == message_type) {
list.push_back(it->second.message);
}
}
return base::JoinString(list, u"\n");
}
std::vector<PolicyErrorMap::Data> PolicyErrorMap::GetErrors(
const std::string& policy) {
CheckReadyAndConvert();
std::pair<const_iterator, const_iterator> range = map_.equal_range(policy);
std::vector<PolicyErrorMap::Data> list;
for (auto it = range.first; it != range.second; ++it)
list.push_back(it->second);
return list;
}
bool PolicyErrorMap::empty() const {
// This doesn't call CheckReadyAndConvert() to allow code to destroy empty
// PolicyErrorMaps rather than having to wait for ResourceBundle to be ready.
return pending_.empty() && map_.empty();
}
size_t PolicyErrorMap::size() {
CheckReadyAndConvert();
return map_.size();
}
PolicyErrorMap::const_iterator PolicyErrorMap::begin() {
CheckReadyAndConvert();
return map_.begin();
}
PolicyErrorMap::const_iterator PolicyErrorMap::end() {
CheckReadyAndConvert();
return map_.end();
}
void PolicyErrorMap::Clear() {
CheckReadyAndConvert();
map_.clear();
}
void PolicyErrorMap::AddError(std::unique_ptr<PendingError> error) {
if (IsReady()) {
Convert(error.get());
// Allow error to be deleted as it exits function scope.
} else {
pending_.push_back(std::move(error));
}
}
void PolicyErrorMap::Convert(PendingError* error) {
map_.insert(std::make_pair(
error->policy_name(),
Data{.message = error->GetMessage(), .level = error->level()}));
}
void PolicyErrorMap::CheckReadyAndConvert() {
DCHECK(IsReady());
for (size_t i = 0; i < pending_.size(); ++i) {
Convert(pending_[i].get());
}
pending_.clear();
}
} // namespace policy
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