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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/service_worker/service_worker_script_cache_map.h"
#include <utility>
#include "base/check_op.h"
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "content/browser/service_worker/service_worker_consts.h"
#include "content/browser/service_worker/service_worker_context_core.h"
#include "content/browser/service_worker/service_worker_version.h"
#include "net/base/net_errors.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
namespace content {
ServiceWorkerScriptCacheMap::ServiceWorkerScriptCacheMap(
ServiceWorkerVersion* owner,
base::WeakPtr<ServiceWorkerContextCore> context)
: owner_(owner), context_(context) {}
ServiceWorkerScriptCacheMap::~ServiceWorkerScriptCacheMap() {
}
int64_t ServiceWorkerScriptCacheMap::LookupResourceId(const GURL& url) {
ResourceMap::const_iterator found = resource_map_.find(url);
if (found == resource_map_.end())
return blink::mojom::kInvalidServiceWorkerResourceId;
return found->second->resource_id;
}
std::optional<std::string> ServiceWorkerScriptCacheMap::LookupSha256Checksum(
const GURL& url) {
ResourceMap::const_iterator found = resource_map_.find(url);
if (found == resource_map_.end()) {
return std::nullopt;
}
return found->second->sha256_checksum;
}
void ServiceWorkerScriptCacheMap::NotifyStartedCaching(const GURL& url,
int64_t resource_id) {
DCHECK_EQ(blink::mojom::kInvalidServiceWorkerResourceId,
LookupResourceId(url));
DCHECK(owner_->status() == ServiceWorkerVersion::NEW ||
owner_->status() == ServiceWorkerVersion::INSTALLING)
<< owner_->status();
if (!context_) {
return; // Our storage has been wiped via DeleteAndStartOver.
}
resource_map_[url] = storage::mojom::ServiceWorkerResourceRecord::New(
resource_id, url, -1, /*sha256_checksum=*/"");
context_->registry()->StoreUncommittedResourceId(resource_id, owner_->key());
}
void ServiceWorkerScriptCacheMap::NotifyFinishedCaching(
const GURL& url,
int64_t size_bytes,
const std::string& sha256_checksum,
net::Error net_error,
const std::string& status_message) {
DCHECK_NE(blink::mojom::kInvalidServiceWorkerResourceId,
LookupResourceId(url));
DCHECK_NE(net::ERR_IO_PENDING, net_error);
DCHECK(owner_->status() == ServiceWorkerVersion::NEW ||
owner_->status() == ServiceWorkerVersion::INSTALLING ||
owner_->status() == ServiceWorkerVersion::REDUNDANT);
if (!context_)
return; // Our storage has been wiped via DeleteAndStartOver.
if (net_error != net::OK) {
context_->registry()->DoomUncommittedResource(LookupResourceId(url));
resource_map_.erase(url);
if (owner_->script_url() == url) {
main_script_net_error_ = net_error;
main_script_status_message_ = status_message;
}
} else {
// |size_bytes| should not be negative when caching finished successfully.
CHECK_GE(size_bytes, 0);
resource_map_[url]->size_bytes = size_bytes;
resource_map_[url]->sha256_checksum = sha256_checksum;
}
}
std::vector<storage::mojom::ServiceWorkerResourceRecordPtr>
ServiceWorkerScriptCacheMap::GetResources() const {
std::vector<storage::mojom::ServiceWorkerResourceRecordPtr> resources;
for (const auto& it : resource_map_) {
resources.push_back(it.second->Clone());
}
return resources;
}
void ServiceWorkerScriptCacheMap::SetResources(
const std::vector<storage::mojom::ServiceWorkerResourceRecordPtr>&
resources) {
DCHECK(resource_map_.empty());
for (auto it = resources.begin(); it != resources.end(); ++it) {
resource_map_[(*it)->url] = (*it)->Clone();
}
}
void ServiceWorkerScriptCacheMap::UpdateSha256Checksum(
const GURL& url,
const std::string& sha256_checksum) {
DCHECK(base::Contains(resource_map_, url));
resource_map_[url]->sha256_checksum = sha256_checksum;
}
void ServiceWorkerScriptCacheMap::WriteMetadata(
const GURL& url,
base::span<const uint8_t> data,
net::CompletionOnceCallback callback) {
if (!context_) {
std::move(callback).Run(net::ERR_FAILED);
return;
}
auto found = resource_map_.find(url);
if (found == resource_map_.end() ||
found->second->resource_id ==
blink::mojom::kInvalidServiceWorkerResourceId) {
std::move(callback).Run(net::ERR_FILE_NOT_FOUND);
return;
}
CHECK_LT(next_callback_id_, std::numeric_limits<uint64_t>::max());
uint64_t callback_id = next_callback_id_++;
mojo_base::BigBuffer buffer(base::as_bytes(data));
DCHECK(!base::Contains(callbacks_, callback_id));
callbacks_[callback_id] = std::move(callback);
mojo::Remote<storage::mojom::ServiceWorkerResourceMetadataWriter> writer;
context_->GetStorageControl()->CreateResourceMetadataWriter(
found->second->resource_id, writer.BindNewPipeAndPassReceiver());
writer.set_disconnect_handler(
base::BindOnce(&ServiceWorkerScriptCacheMap::OnWriterDisconnected,
weak_factory_.GetWeakPtr(), callback_id));
auto* raw_writer = writer.get();
raw_writer->WriteMetadata(
std::move(buffer),
base::BindOnce(&ServiceWorkerScriptCacheMap::OnMetadataWritten,
weak_factory_.GetWeakPtr(), std::move(writer),
callback_id));
}
void ServiceWorkerScriptCacheMap::ClearMetadata(
const GURL& url,
net::CompletionOnceCallback callback) {
WriteMetadata(url, std::vector<uint8_t>(), std::move(callback));
}
void ServiceWorkerScriptCacheMap::OnWriterDisconnected(uint64_t callback_id) {
RunCallback(callback_id, net::ERR_FAILED);
}
void ServiceWorkerScriptCacheMap::OnMetadataWritten(
mojo::Remote<storage::mojom::ServiceWorkerResourceMetadataWriter> writer,
uint64_t callback_id,
int result) {
RunCallback(callback_id, result);
}
void ServiceWorkerScriptCacheMap::RunCallback(uint64_t callback_id,
int result) {
auto it = callbacks_.find(callback_id);
CHECK(it != callbacks_.end());
std::move(it->second).Run(result);
callbacks_.erase(it);
}
} // namespace content
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