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
|
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/quota/storage_manager.h"
#include "mojo/public/cpp/bindings/callback_helpers.h"
#include "third_party/blink/public/mojom/quota/quota_types.mojom-blink.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_storage_estimate.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_storage_usage_details.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/event_type_names.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/frame.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/modules/permissions/permission_utils.h"
#include "third_party/blink/renderer/modules/quota/quota_utils.h"
#include "third_party/blink/renderer/platform/bindings/v8_throw_exception.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
using mojom::blink::PermissionName;
using mojom::blink::PermissionService;
using mojom::blink::UsageBreakdownPtr;
namespace {
const char kUniqueOriginErrorMessage[] =
"The operation is not supported in this context.";
const char kGenericErrorMessage[] =
"Internal error when calculating storage usage.";
const char kAbortErrorMessage[] = "The operation was aborted due to shutdown.";
void QueryStorageUsageAndQuotaCallback(
ScriptPromiseResolver<StorageEstimate>* resolver,
mojom::blink::QuotaStatusCode status_code,
int64_t usage_in_bytes,
int64_t quota_in_bytes,
UsageBreakdownPtr usage_breakdown) {
const char* error_message = nullptr;
switch (status_code) {
case mojom::blink::QuotaStatusCode::kOk:
break;
case mojom::blink::QuotaStatusCode::kErrorNotSupported:
case mojom::blink::QuotaStatusCode::kErrorInvalidModification:
case mojom::blink::QuotaStatusCode::kErrorInvalidAccess:
NOTREACHED();
case mojom::blink::QuotaStatusCode::kUnknown:
error_message = kGenericErrorMessage;
break;
case mojom::blink::QuotaStatusCode::kErrorAbort:
error_message = kAbortErrorMessage;
break;
}
if (error_message) {
resolver->Reject(V8ThrowException::CreateTypeError(
resolver->GetScriptState()->GetIsolate(), error_message));
return;
}
StorageEstimate* estimate = StorageEstimate::Create();
estimate->setUsage(usage_in_bytes);
estimate->setQuota(quota_in_bytes);
// We only want to show usage details for systems that are used by the app,
// this way we do not create any web compatibility issues by unecessarily
// exposing obsoleted/proprietary storage systems, but also report when
// those systems are in use.
StorageUsageDetails* details = StorageUsageDetails::Create();
if (usage_breakdown->indexedDatabase) {
details->setIndexedDB(usage_breakdown->indexedDatabase);
}
if (usage_breakdown->serviceWorkerCache) {
details->setCaches(usage_breakdown->serviceWorkerCache);
}
if (usage_breakdown->serviceWorker) {
details->setServiceWorkerRegistrations(usage_breakdown->serviceWorker);
}
if (usage_breakdown->fileSystem) {
details->setFileSystem(usage_breakdown->fileSystem);
}
estimate->setUsageDetails(details);
resolver->Resolve(estimate);
}
} // namespace
StorageManager::StorageManager(ExecutionContext* execution_context)
: permission_service_(execution_context), quota_host_(execution_context) {}
StorageManager::~StorageManager() = default;
ScriptPromise<IDLBoolean> StorageManager::persist(
ScriptState* script_state,
ExceptionState& exception_state) {
LocalDOMWindow* window = LocalDOMWindow::From(script_state);
DCHECK(window->IsSecureContext()); // [SecureContext] in IDL
if (window->GetSecurityOrigin()->IsOpaque()) {
exception_state.ThrowTypeError(kUniqueOriginErrorMessage);
return EmptyPromise();
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver<IDLBoolean>>(
script_state, exception_state.GetContext());
auto promise = resolver->Promise();
GetPermissionService(window)->RequestPermission(
CreatePermissionDescriptor(PermissionName::DURABLE_STORAGE),
LocalFrame::HasTransientUserActivation(window->GetFrame()),
WTF::BindOnce(&StorageManager::PermissionRequestComplete,
WrapPersistent(this), WrapPersistent(resolver)));
return promise;
}
ScriptPromise<IDLBoolean> StorageManager::persisted(
ScriptState* script_state,
ExceptionState& exception_state) {
ExecutionContext* execution_context = ExecutionContext::From(script_state);
DCHECK(execution_context->IsSecureContext()); // [SecureContext] in IDL
const SecurityOrigin* security_origin =
execution_context->GetSecurityOrigin();
if (security_origin->IsOpaque()) {
exception_state.ThrowTypeError(kUniqueOriginErrorMessage);
return EmptyPromise();
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver<IDLBoolean>>(
script_state, exception_state.GetContext());
auto promise = resolver->Promise();
GetPermissionService(ExecutionContext::From(script_state))
->HasPermission(
CreatePermissionDescriptor(PermissionName::DURABLE_STORAGE),
WTF::BindOnce(&StorageManager::PermissionRequestComplete,
WrapPersistent(this), WrapPersistent(resolver)));
return promise;
}
ScriptPromise<StorageEstimate> StorageManager::estimate(
ScriptState* script_state,
ExceptionState& exception_state) {
ExecutionContext* execution_context = ExecutionContext::From(script_state);
DCHECK(execution_context->IsSecureContext()); // [SecureContext] in IDL
// The BlinkIDL definition for estimate() already has a [MeasureAs] attribute,
// so the kQuotaRead use counter must be explicitly updated.
UseCounter::Count(execution_context, WebFeature::kQuotaRead);
const SecurityOrigin* security_origin =
execution_context->GetSecurityOrigin();
if (security_origin->IsOpaque()) {
exception_state.ThrowTypeError(kUniqueOriginErrorMessage);
return EmptyPromise();
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver<StorageEstimate>>(
script_state, exception_state.GetContext());
auto promise = resolver->Promise();
auto callback = resolver->WrapCallbackInScriptScope(
WTF::BindOnce(&QueryStorageUsageAndQuotaCallback));
GetQuotaHost(execution_context)
->QueryStorageUsageAndQuota(mojo::WrapCallbackWithDefaultInvokeIfNotRun(
std::move(callback), mojom::blink::QuotaStatusCode::kErrorAbort, 0, 0,
nullptr));
return promise;
}
void StorageManager::Trace(Visitor* visitor) const {
visitor->Trace(permission_service_);
visitor->Trace(quota_host_);
ScriptWrappable::Trace(visitor);
}
PermissionService* StorageManager::GetPermissionService(
ExecutionContext* execution_context) {
if (!permission_service_.is_bound()) {
ConnectToPermissionService(
execution_context,
permission_service_.BindNewPipeAndPassReceiver(
execution_context->GetTaskRunner(TaskType::kMiscPlatformAPI)));
permission_service_.set_disconnect_handler(
WTF::BindOnce(&StorageManager::PermissionServiceConnectionError,
WrapWeakPersistent(this)));
}
return permission_service_.get();
}
void StorageManager::PermissionServiceConnectionError() {
permission_service_.reset();
}
void StorageManager::PermissionRequestComplete(
ScriptPromiseResolver<IDLBoolean>* resolver,
mojom::blink::PermissionStatus status) {
if (!resolver->GetExecutionContext() ||
resolver->GetExecutionContext()->IsContextDestroyed())
return;
resolver->Resolve(status == mojom::blink::PermissionStatus::GRANTED);
}
mojom::blink::QuotaManagerHost* StorageManager::GetQuotaHost(
ExecutionContext* execution_context) {
if (!quota_host_.is_bound()) {
ConnectToQuotaManagerHost(
execution_context,
quota_host_.BindNewPipeAndPassReceiver(
execution_context->GetTaskRunner(TaskType::kMiscPlatformAPI)));
}
return quota_host_.get();
}
} // namespace blink
|
