1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
// 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 "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
#include <utility>
#include "base/lazy_instance.h"
#include "base/memory/scoped_refptr.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.h"
#include "chrome/browser/extensions/api/image_writer_private/error_constants.h"
#include "chrome/browser/extensions/api/image_writer_private/operation.h"
#include "chrome/browser/extensions/api/image_writer_private/write_from_file_operation.h"
#include "chrome/browser/extensions/api/image_writer_private/write_from_url_operation.h"
#include "chrome/browser/extensions/event_router_forwarder.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/storage_partition.h"
#include "extensions/browser/api/extensions_api_client.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_host.h"
#include "extensions/common/extension_id.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/ash/file_manager/path_util.h"
#endif
namespace image_writer_api = extensions::api::image_writer_private;
namespace extensions {
namespace image_writer {
using content::BrowserThread;
OperationManager::OperationManager(content::BrowserContext* context)
: browser_context_(context) {
extension_registry_observation_.Observe(
ExtensionRegistry::Get(browser_context_));
process_manager_observation_.Observe(ProcessManager::Get(browser_context_));
}
OperationManager::~OperationManager() = default;
void OperationManager::Shutdown() {
for (auto& id_and_operation : operations_) {
scoped_refptr<Operation> operation = id_and_operation.second;
operation->PostTask(base::BindOnce(&Operation::Abort, operation));
}
}
void OperationManager::StartWriteFromUrl(
const ExtensionId& extension_id,
GURL url,
const std::string& hash,
const std::string& device_path,
Operation::StartWriteCallback callback) {
#if BUILDFLAG(IS_CHROMEOS)
// Chrome OS can only support a single operation at a time.
if (operations_.size() > 0) {
#else
auto existing_operation = operations_.find(extension_id);
if (existing_operation != operations_.end()) {
#endif
std::move(callback).Run(false, error::kOperationAlreadyInProgress);
return;
}
mojo::PendingRemote<network::mojom::URLLoaderFactory>
url_loader_factory_remote;
browser_context_->GetDefaultStoragePartition()
->GetURLLoaderFactoryForBrowserProcess()
->Clone(url_loader_factory_remote.InitWithNewPipeAndPassReceiver());
auto operation = base::MakeRefCounted<WriteFromUrlOperation>(
weak_factory_.GetWeakPtr(), extension_id,
std::move(url_loader_factory_remote), url, hash, device_path,
GetAssociatedDownloadFolder());
operations_[extension_id] = operation;
operation->PostTask(base::BindOnce(&Operation::Start, operation));
std::move(callback).Run(true, "");
}
void OperationManager::StartWriteFromFile(
const ExtensionId& extension_id,
const base::FilePath& path,
const std::string& device_path,
Operation::StartWriteCallback callback) {
#if BUILDFLAG(IS_CHROMEOS)
// Chrome OS can only support a single operation at a time.
if (operations_.size() > 0) {
#else
auto existing_operation = operations_.find(extension_id);
if (existing_operation != operations_.end()) {
#endif
std::move(callback).Run(false, error::kOperationAlreadyInProgress);
return;
}
auto operation = base::MakeRefCounted<WriteFromFileOperation>(
weak_factory_.GetWeakPtr(), extension_id, path, device_path,
GetAssociatedDownloadFolder());
operations_[extension_id] = operation;
operation->PostTask(base::BindOnce(&Operation::Start, operation));
std::move(callback).Run(true, "");
}
void OperationManager::CancelWrite(const ExtensionId& extension_id,
Operation::CancelWriteCallback callback) {
Operation* existing_operation = GetOperation(extension_id);
if (existing_operation == nullptr) {
std::move(callback).Run(false, error::kNoOperationInProgress);
} else {
existing_operation->PostTask(
base::BindOnce(&Operation::Cancel, existing_operation));
DeleteOperation(extension_id);
std::move(callback).Run(true, "");
}
}
void OperationManager::DestroyPartitions(
const ExtensionId& extension_id,
const std::string& device_path,
Operation::StartWriteCallback callback) {
auto existing_operation = operations_.find(extension_id);
if (existing_operation != operations_.end()) {
std::move(callback).Run(false, error::kOperationAlreadyInProgress);
return;
}
auto operation = base::MakeRefCounted<DestroyPartitionsOperation>(
weak_factory_.GetWeakPtr(), extension_id, device_path,
GetAssociatedDownloadFolder());
operations_[extension_id] = operation;
operation->PostTask(base::BindOnce(&Operation::Start, operation));
std::move(callback).Run(true, "");
}
void OperationManager::OnProgress(const ExtensionId& extension_id,
image_writer_api::Stage stage,
int progress) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
image_writer_api::ProgressInfo info;
info.stage = stage;
info.percent_complete = progress;
auto args(image_writer_api::OnWriteProgress::Create(info));
std::unique_ptr<Event> event(new Event(
events::IMAGE_WRITER_PRIVATE_ON_WRITE_PROGRESS,
image_writer_api::OnWriteProgress::kEventName, std::move(args)));
EventRouter::Get(browser_context_)
->DispatchEventToExtension(extension_id, std::move(event));
}
void OperationManager::OnComplete(const ExtensionId& extension_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto args(image_writer_api::OnWriteComplete::Create());
std::unique_ptr<Event> event(new Event(
events::IMAGE_WRITER_PRIVATE_ON_WRITE_COMPLETE,
image_writer_api::OnWriteComplete::kEventName, std::move(args)));
EventRouter::Get(browser_context_)
->DispatchEventToExtension(extension_id, std::move(event));
DeleteOperation(extension_id);
}
void OperationManager::OnError(const ExtensionId& extension_id,
image_writer_api::Stage stage,
int progress,
const std::string& error_message) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
image_writer_api::ProgressInfo info;
DLOG(ERROR) << "ImageWriter error: " << error_message;
info.stage = stage;
info.percent_complete = progress;
auto args(image_writer_api::OnWriteError::Create(info, error_message));
std::unique_ptr<Event> event(
new Event(events::IMAGE_WRITER_PRIVATE_ON_WRITE_ERROR,
image_writer_api::OnWriteError::kEventName, std::move(args)));
EventRouter::Get(browser_context_)
->DispatchEventToExtension(extension_id, std::move(event));
DeleteOperation(extension_id);
}
base::FilePath OperationManager::GetAssociatedDownloadFolder() {
#if BUILDFLAG(IS_CHROMEOS)
Profile* profile = Profile::FromBrowserContext(browser_context_);
return file_manager::util::GetDownloadsFolderForProfile(profile);
#else
return base::FilePath();
#endif
}
Operation* OperationManager::GetOperation(const ExtensionId& extension_id) {
auto existing_operation = operations_.find(extension_id);
if (existing_operation == operations_.end())
return nullptr;
return existing_operation->second.get();
}
void OperationManager::DeleteOperation(const ExtensionId& extension_id) {
auto existing_operation = operations_.find(extension_id);
if (existing_operation != operations_.end()) {
operations_.erase(existing_operation);
}
}
void OperationManager::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) {
DeleteOperation(extension->id());
}
void OperationManager::OnShutdown(ExtensionRegistry* registry) {
DCHECK(extension_registry_observation_.IsObservingSource(registry));
extension_registry_observation_.Reset();
}
void OperationManager::OnBackgroundHostClose(const ExtensionId& extension_id) {
DeleteOperation(extension_id);
}
void OperationManager::OnProcessManagerShutdown(ProcessManager* manager) {
DCHECK(process_manager_observation_.IsObservingSource(manager));
process_manager_observation_.Reset();
}
void OperationManager::OnExtensionProcessTerminated(
const Extension* extension) {
DeleteOperation(extension->id());
}
OperationManager* OperationManager::Get(content::BrowserContext* context) {
return BrowserContextKeyedAPIFactory<OperationManager>::Get(context);
}
static base::LazyInstance<BrowserContextKeyedAPIFactory<OperationManager>>::
DestructorAtExit g_operation_manager_factory = LAZY_INSTANCE_INITIALIZER;
BrowserContextKeyedAPIFactory<OperationManager>*
OperationManager::GetFactoryInstance() {
return g_operation_manager_factory.Pointer();
}
} // namespace image_writer
} // namespace extensions
|
