| // 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/ppb_url_request_info_impl.h" |
| |
| #include "base/logging.h" |
| #include "base/string_util.h" |
| #include "googleurl/src/gurl.h" |
| #include "googleurl/src/url_util.h" |
| #include "net/http/http_util.h" |
| #include "ppapi/shared_impl/var.h" |
| #include "ppapi/thunk/enter.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebData.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebHTTPBody.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLRequest.h" |
| #include "webkit/glue/webkit_glue.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/ppb_file_system_impl.h" |
| #include "webkit/plugins/ppapi/resource_helper.h" |
| |
| using ppapi::PPB_URLRequestInfo_Data; |
| 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 { |
| |
| const int32_t kDefaultPrefetchBufferUpperThreshold = 100 * 1000 * 1000; |
| const int32_t kDefaultPrefetchBufferLowerThreshold = 50 * 1000 * 1000; |
| |
| } // namespace |
| |
| |
| PPB_URLRequestInfo_Impl::PPB_URLRequestInfo_Impl( |
| PP_Instance instance, |
| const PPB_URLRequestInfo_Data& data) |
| : PPB_URLRequestInfo_Shared(::ppapi::OBJECT_IS_IMPL, instance, data) { |
| } |
| |
| PPB_URLRequestInfo_Impl::~PPB_URLRequestInfo_Impl() { |
| } |
| |
| bool PPB_URLRequestInfo_Impl::ToWebURLRequest(WebFrame* frame, |
| WebURLRequest* dest) { |
| // In the out-of-process case, we've received the PPB_URLRequestInfo_Data |
| // 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 (!ValidateData()) |
| return false; |
| |
| dest->initialize(); |
| 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 PPB_URLRequestInfo_Data::BodyItem& item = data().body[i]; |
| if (item.is_file) { |
| if (!AppendFileRefToBody(item.file_ref, |
| 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) { |
| if (!data().custom_content_transfer_encoding.empty()) { |
| dest->addHTTPHeaderField( |
| WebString::fromUTF8("Content-Transfer-Encoding"), |
| WebString::fromUTF8(data().custom_content_transfer_encoding)); |
| } |
| } |
| |
| return true; |
| } |
| |
| bool PPB_URLRequestInfo_Impl::RequiresUniversalAccess() const { |
| return |
| data().has_custom_referrer_url || |
| data().has_custom_content_transfer_encoding || |
| url_util::FindAndCompareScheme(data().url, "javascript", NULL); |
| } |
| |
| bool PPB_URLRequestInfo_Impl::ValidateData() { |
| 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; |
| } |
| |
| // 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) { |
| PPB_URLRequestInfo_Data::BodyItem& item = data().body[i]; |
| if (item.is_file && !item.file_ref) { |
| 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; |
| } |
| |
| bool PPB_URLRequestInfo_Impl::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(this); |
| if (!plugin_delegate) |
| return false; |
| |
| FilePath platform_path; |
| switch (file_ref->GetFileSystemType()) { |
| case PP_FILESYSTEMTYPE_LOCALTEMPORARY: |
| case PP_FILESYSTEMTYPE_LOCALPERSISTENT: |
| // TODO(kinuko): remove this sync IPC when we add more generic |
| // AppendURLRange solution that works for both Blob/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( |
| webkit_glue::FilePathToWebString(platform_path), |
| start_offset, |
| number_of_bytes, |
| expected_last_modified_time); |
| return true; |
| } |
| |
| |
| } // namespace ppapi |
| } // namespace webkit |