Support socket endpoint permissions for AppsV2 Socket API.

chrome/common/extensions/permissions/socket_permission.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/extensions/permissions/socket_permission.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+#include "base/values.h"
+#include "chrome/common/extensions/extension_messages.h"
+#include "chrome/common/extensions/permissions/permissions_info.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace extensions {
+
+SocketPermission::SocketPermission(const APIPermission* permission)
+  : APIPermissionDetail(permission) {
+}
+
+SocketPermission::~SocketPermission() {
+}
+
+bool SocketPermission::Check(
+    const APIPermissionDetail::CheckParam* param) const {
+  const CheckParam* socket_param = static_cast<const CheckParam*>(param);
+  std::set<SocketPermissionData>::const_iterator it = data_set_.begin();
+  std::set<SocketPermissionData>::const_iterator end = data_set_.end();
+
+  for (; it != end; ++it) {
+    if (it->Match(socket_param->type, socket_param->host, socket_param->port))
+      return true;
+  }
+  return false;
+}
+
+bool SocketPermission::Contains(const APIPermissionDetail* rhs) const {
+  CHECK(rhs->permission() == permission());
+  const SocketPermission* perm = static_cast<const SocketPermission*>(rhs);
+  return std::includes(data_set_.begin(), data_set_.end(),
+                       perm->data_set_.begin(), perm->data_set_.end());
+}
+
+bool SocketPermission::Equal(const APIPermissionDetail* rhs) const {
+  CHECK(rhs->permission() == permission());
+  const SocketPermission* perm = static_cast<const SocketPermission*>(rhs);
+  return data_set_ == perm->data_set_;
+}
+
+bool SocketPermission::FromValue(const base::Value* value) {
+  data_set_.clear();
+  const base::ListValue* list = NULL;
+
+  if (!value)
+    return false;
+
+  if (!value->GetAsList(&list) && list->GetSize() == 0)
+    return false;
+
+  for (size_t i = 0; i < list->GetSize(); ++i) {
+    std::string str;
+    SocketPermissionData data;
+    if (!list->GetString(i, &str) || !data.Parse(str))
+      return false;
+    data_set_.insert(data);
+  }
+  return true;
+}
+
+void SocketPermission::ToValue(base::Value** value) const {
+  base::ListValue* list = new ListValue();
+
+  std::set<SocketPermissionData>::const_iterator it = data_set_.begin();
+  std::set<SocketPermissionData>::const_iterator end = data_set_.end();
+
+  for (;it != end; ++it) {
+    list->Append(base::Value::CreateStringValue(it->GetAsString()));
+  }
+  *value = list;
+}
+
+APIPermissionDetail* SocketPermission::Clone() const {
+  SocketPermission* result = new SocketPermission(permission());
+  result->data_set_ = data_set_;
+  return result;
+}
+
+APIPermissionDetail* SocketPermission::Diff(
+    const APIPermissionDetail* rhs) const {
+  CHECK(rhs->permission() == permission());
+  const SocketPermission* perm = static_cast<const SocketPermission*>(rhs);
+  scoped_refptr<SocketPermission> result = new SocketPermission(permission());
+  std::set_difference(data_set_.begin(), data_set_.end(),
+                      perm->data_set_.begin(), perm->data_set_.end(),
+                      std::inserter<std::set<SocketPermissionData> >(
+                          result->data_set_, result->data_set_.begin()));
+  return result->data_set_.empty() ? NULL : result.release();
+}
+
+APIPermissionDetail* SocketPermission::Union(
+    const APIPermissionDetail* rhs) const {
+  CHECK(rhs->permission() == permission());
+  const SocketPermission* perm = static_cast<const SocketPermission*>(rhs);
+  scoped_refptr<SocketPermission> result = new SocketPermission(permission());
+  std::set_union(data_set_.begin(), data_set_.end(),
+                 perm->data_set_.begin(), perm->data_set_.end(),
+                 std::inserter<std::set<SocketPermissionData> >(
+                     result->data_set_, result->data_set_.begin()));
+  return result->data_set_.empty() ? NULL : result.release();
+}
+
+APIPermissionDetail* SocketPermission::Intersect(
+    const APIPermissionDetail* rhs) const {
+  CHECK(rhs->permission() == permission());
+  const SocketPermission* perm = static_cast<const SocketPermission*>(rhs);
+  scoped_refptr<SocketPermission> result = new SocketPermission(permission());
+  std::set_intersection(data_set_.begin(), data_set_.end(),
+                        perm->data_set_.begin(), perm->data_set_.end(),
+                        std::inserter<std::set<SocketPermissionData> >(
+                            result->data_set_, result->data_set_.begin()));
+  return result->data_set_.empty() ? NULL : result.release();
+}
+
+void SocketPermission::Write(IPC::Message* m) const {
+  IPC::WriteParam(m, data_set_);
+}
+
+bool SocketPermission::Read(const IPC::Message* m, PickleIterator* iter) {
+  return IPC::ReadParam(m, iter, &data_set_);
+}
+
+void SocketPermission::Log(std::string* log) const {
+  IPC::LogParam(data_set_, log);
+}
+
+}  // namespace extensions
+