Move webkit/plugins/ppapi to content/renderer/pepper.

webkit/plugins/ppapi/url_request_info_util.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 "webkit/plugins/ppapi/url_request_info_util.h"
-
-#include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "net/http/http_util.h"
-#include "ppapi/shared_impl/url_request_info_data.h"
-#include "ppapi/shared_impl/var.h"
-#include "ppapi/thunk/enter.h"
-#include "third_party/WebKit/public/platform/WebData.h"
-#include "third_party/WebKit/public/platform/WebHTTPBody.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
-#include "third_party/WebKit/public/web/WebDocument.h"
-#include "third_party/WebKit/public/web/WebFrame.h"
-#include "url/gurl.h"
-#include "url/url_util.h"
-#include "webkit/child/weburlrequest_extradata_impl.h"
-#include "webkit/plugins/ppapi/common.h"
-#include "webkit/plugins/ppapi/plugin_module.h"
-#include "webkit/plugins/ppapi/ppb_file_ref_impl.h"
-#include "webkit/plugins/ppapi/resource_helper.h"
-
-using ppapi::URLRequestInfoData;
-using ppapi::Resource;
-using ppapi::thunk::EnterResourceNoLock;
-using ppapi::thunk::PPB_FileRef_API;
-using WebKit::WebData;
-using WebKit::WebHTTPBody;
-using WebKit::WebString;
-using WebKit::WebFrame;
-using WebKit::WebURL;
-using WebKit::WebURLRequest;
-
-namespace webkit {
-namespace ppapi {
-
-namespace {
-
-// Appends the file ref given the Resource pointer associated with it to the
-// given HTTP body, returning true on success.
-bool AppendFileRefToBody(
-    Resource* file_ref_resource,
-    int64_t start_offset,
-    int64_t number_of_bytes,
-    PP_Time expected_last_modified_time,
-    WebHTTPBody *http_body) {
-  // Get the underlying file ref impl.
-  if (!file_ref_resource)
-    return false;
-  PPB_FileRef_API* file_ref_api = file_ref_resource->AsPPB_FileRef_API();
-  if (!file_ref_api)
-    return false;
-  const PPB_FileRef_Impl* file_ref =
-      static_cast<PPB_FileRef_Impl*>(file_ref_api);
-
-  PluginDelegate* plugin_delegate =
-      ResourceHelper::GetPluginDelegate(file_ref_resource);
-  if (!plugin_delegate)
-    return false;
-
-  base::FilePath platform_path;
-  switch (file_ref->GetFileSystemType()) {
-    case PP_FILESYSTEMTYPE_LOCALTEMPORARY:
-    case PP_FILESYSTEMTYPE_LOCALPERSISTENT:
-      // TODO(kinuko): remove this sync IPC when we fully support
-      // AppendURLRange for FileSystem URL.
-      plugin_delegate->SyncGetFileSystemPlatformPath(
-          file_ref->GetFileSystemURL(), &platform_path);
-      break;
-    case PP_FILESYSTEMTYPE_EXTERNAL:
-      platform_path = file_ref->GetSystemPath();
-      break;
-    default:
-      NOTREACHED();
-  }
-  http_body->appendFileRange(
-      platform_path.AsUTF16Unsafe(),
-      start_offset,
-      number_of_bytes,
-      expected_last_modified_time);
-  return true;
-}
-
-// Checks that the request data is valid. Returns false on failure. Note that
-// method and header validation is done by the URL loader when the request is
-// opened, and any access errors are returned asynchronously.
-bool ValidateURLRequestData(const ::ppapi::URLRequestInfoData& data) {
-  if (data.prefetch_buffer_lower_threshold < 0 ||
-      data.prefetch_buffer_upper_threshold < 0 ||
-      data.prefetch_buffer_upper_threshold <=
-      data.prefetch_buffer_lower_threshold) {
-    return false;
-  }
-  return true;
-}
-
-// Ensures that the file_ref members of the given request info data are
-// populated from the resource IDs. Returns true on success.
-bool EnsureFileRefObjectsPopulated(::ppapi::URLRequestInfoData* data) {
-  // Get the Resource objects for any file refs with only host resource (this
-  // is the state of the request as it comes off IPC).
-  for (size_t i = 0; i < data->body.size(); ++i) {
-    URLRequestInfoData::BodyItem& item = data->body[i];
-    if (item.is_file && !item.file_ref.get()) {
-      EnterResourceNoLock<PPB_FileRef_API> enter(
-          item.file_ref_host_resource.host_resource(), false);
-      if (!enter.succeeded())
-        return false;
-      item.file_ref = enter.resource();
-    }
-  }
-  return true;
-}
-
-}  // namespace
-
-bool CreateWebURLRequest(::ppapi::URLRequestInfoData* data,
-                         WebFrame* frame,
-                         WebURLRequest* dest) {
-  // In the out-of-process case, we've received the URLRequestInfoData
-  // from the untrusted plugin and done no validation on it. We need to be
-  // sure it's not being malicious by checking everything for consistency.
-  if (!ValidateURLRequestData(*data) || !EnsureFileRefObjectsPopulated(data))
-    return false;
-
-  dest->initialize();
-  dest->setTargetType(WebURLRequest::TargetIsObject);
-  dest->setURL(frame->document().completeURL(WebString::fromUTF8(
-      data->url)));
-  dest->setDownloadToFile(data->stream_to_file);
-  dest->setReportUploadProgress(data->record_upload_progress);
-
-  if (!data->method.empty())
-    dest->setHTTPMethod(WebString::fromUTF8(data->method));
-
-  dest->setFirstPartyForCookies(frame->document().firstPartyForCookies());
-
-  const std::string& headers = data->headers;
-  if (!headers.empty()) {
-    net::HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\n\r");
-    while (it.GetNext()) {
-      dest->addHTTPHeaderField(
-          WebString::fromUTF8(it.name()),
-          WebString::fromUTF8(it.values()));
-    }
-  }
-
-  // Append the upload data.
-  if (!data->body.empty()) {
-    WebHTTPBody http_body;
-    http_body.initialize();
-    for (size_t i = 0; i < data->body.size(); ++i) {
-      const URLRequestInfoData::BodyItem& item = data->body[i];
-      if (item.is_file) {
-        if (!AppendFileRefToBody(item.file_ref.get(),
-                                 item.start_offset,
-                                 item.number_of_bytes,
-                                 item.expected_last_modified_time,
-                                 &http_body))
-          return false;
-      } else {
-        DCHECK(!item.data.empty());
-        http_body.appendData(WebData(item.data));
-      }
-    }
-    dest->setHTTPBody(http_body);
-  }
-
-  // Add the "Referer" header if there is a custom referrer. Such requests
-  // require universal access. For all other requests, "Referer" will be set
-  // after header security checks are done in AssociatedURLLoader.
-  if (data->has_custom_referrer_url && !data->custom_referrer_url.empty())
-    frame->setReferrerForRequest(*dest, GURL(data->custom_referrer_url));
-
-  if (data->has_custom_content_transfer_encoding &&
-      !data->custom_content_transfer_encoding.empty()) {
-    dest->addHTTPHeaderField(
-        WebString::fromUTF8("Content-Transfer-Encoding"),
-        WebString::fromUTF8(data->custom_content_transfer_encoding));
-  }
-
-  if (data->has_custom_user_agent) {
-    dest->setExtraData(new webkit_glue::WebURLRequestExtraDataImpl(
-        WebKit::WebReferrerPolicyDefault,  // Ignored.
-        WebString::fromUTF8(data->custom_user_agent)));
-  }
-
-  return true;
-}
-
-bool URLRequestRequiresUniversalAccess(
-    const ::ppapi::URLRequestInfoData& data) {
-  return
-      data.has_custom_referrer_url ||
-      data.has_custom_content_transfer_encoding ||
-      data.has_custom_user_agent ||
-      url_util::FindAndCompareScheme(data.url, "javascript", NULL);
-}
-
-}  // namespace ppapi
-}  // namespace webkit