Network traffic annotation added to indexed_db.

content/browser/indexed_db/indexed_db_backing_store.cc

 // Copyright (c) 2013 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 "content/browser/indexed_db/indexed_db_backing_store.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/files/file_path.h"
@@ skipping 22 matching lines @@
 #include "content/browser/indexed_db/leveldb/leveldb_comparator.h"
 #include "content/browser/indexed_db/leveldb/leveldb_database.h"
 #include "content/browser/indexed_db/leveldb/leveldb_factory.h"
 #include "content/browser/indexed_db/leveldb/leveldb_iterator.h"
 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 #include "content/common/indexed_db/indexed_db_key_range.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/load_flags.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_request_context.h"
 #include "storage/browser/blob/blob_data_handle.h"
 #include "storage/browser/fileapi/file_stream_writer.h"
 #include "storage/browser/fileapi/file_writer_delegate.h"
 #include "storage/browser/fileapi/local_file_stream_writer.h"
 #include "storage/common/database/database_identifier.h"
 #include "storage/common/fileapi/file_system_mount_option.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
 #include "third_party/leveldatabase/env_chromium.h"
 
@@ skipping 2497 matching lines @@
         storage::FileStreamWriter::CreateForLocalFile(
             task_runner_.get(), file_path, 0,
             storage::FileStreamWriter::CREATE_NEW_FILE));
     std::unique_ptr<FileWriterDelegate> delegate(
         base::MakeUnique<FileWriterDelegate>(
             std::move(writer), storage::FlushPolicy::FLUSH_ON_COMPLETION));
 
     DCHECK(blob_url.is_valid());
     net::URLRequestContext* request_context =
         request_context_getter->GetURLRequestContext();
+    net::NetworkTrafficAnnotationTag traffic_annotation =
+        net::DefineNetworkTrafficAnnotation("persist_blob_to_indexed_db", R"(
+        semantics {
+          sender: "Indexed DB"
+          description:
+            "A web page's script has created a Blob (or File) object (either "
+            "directly via constructors, or by using file upload to a form, or "
+            "via a fetch()). The script has then made a request to store data "
+            "including the Blob via the Indexed DB API. As part of committing "
+            "the database transaction, the content of the Blob is being copied "
+            "into a file in the database's directory."
+          trigger:
+            "The script has made a request to store data including a Blob via "
+            "the Indexed DB API."
+          data:
+            "A Blob or File object referenced by script, either created "
+            "directly via constructors, or by using file upload to a form, or "
+            "drag/dop, or via a fetch() or other APIs that produce Blobs."

[msramek, 2017/05/09 11:54:09]

typo: drop

[Ramin Halavati, 2017/05/09 11:57:15]

Done.

+          destination: LOCAL
+        }
+        policy {
+          cookies_allowed: false
+          setting: "This feature cannot be stoped by settings."

[msramek, 2017/05/09 11:54:09]

s/stoped/disabled/ ?

(also, "stoped" seems to only be defined by Urban Dictionary :) )

[Ramin Halavati, 2017/05/09 11:57:15]

Done.

+          policy_exception_justification: "Not implemented."
+        })");
     std::unique_ptr<net::URLRequest> blob_request(
         request_context->CreateRequest(blob_url, net::DEFAULT_PRIORITY,
-                                       delegate.get()));
+                                       delegate.get(), traffic_annotation));));
     blob_request->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES |
                                net::LOAD_DO_NOT_SEND_COOKIES);
-
     this->file_path_ = file_path;
     this->last_modified_ = last_modified;
 
     delegate->Start(std::move(blob_request),
                     base::Bind(&LocalWriteClosure::Run, this));
     chained_blob_writer_->set_delegate(std::move(delegate));
   }
 
  private:
   virtual ~LocalWriteClosure() {
@@ skipping 1886 matching lines @@
 
 IndexedDBBackingStore::Transaction::WriteDescriptor::WriteDescriptor(
     const WriteDescriptor& other) = default;
 IndexedDBBackingStore::Transaction::WriteDescriptor::~WriteDescriptor() =
     default;
 IndexedDBBackingStore::Transaction::WriteDescriptor&
     IndexedDBBackingStore::Transaction::WriteDescriptor::
     operator=(const WriteDescriptor& other) = default;
 
 }  // namespace content