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// Copyright (c) 2010 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/glue/plugins/pepper_url_request_info.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "googleurl/src/gurl.h"
#include "net/http/http_util.h"
#include "third_party/ppapi/c/pp_var.h"
#include "third_party/WebKit/WebKit/chromium/public/WebData.h"
#include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/WebKit/chromium/public/WebHTTPBody.h"
#include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
#include "third_party/WebKit/WebKit/chromium/public/WebURLRequest.h"
#include "webkit/glue/plugins/pepper_file_ref.h"
#include "webkit/glue/plugins/pepper_plugin_module.h"
#include "webkit/glue/plugins/pepper_string.h"
#include "webkit/glue/plugins/pepper_var.h"
#include "webkit/glue/webkit_glue.h"
using WebKit::WebData;
using WebKit::WebHTTPBody;
using WebKit::WebString;
using WebKit::WebFrame;
using WebKit::WebURL;
using WebKit::WebURLRequest;
namespace pepper {
namespace {
// If any of these request headers are specified, they will not be sent.
// TODO(darin): Add more based on security considerations?
const char* const kIgnoredRequestHeaders[] = {
"content-length"
};
bool IsIgnoredRequestHeader(const std::string& name) {
for (size_t i = 0; i < arraysize(kIgnoredRequestHeaders); ++i) {
if (LowerCaseEqualsASCII(name, kIgnoredRequestHeaders[i]))
return true;
}
return false;
}
PP_Resource Create(PP_Module module_id) {
PluginModule* module = PluginModule::FromPPModule(module_id);
if (!module)
return 0;
URLRequestInfo* request = new URLRequestInfo(module);
return request->GetReference();
}
bool IsURLRequestInfo(PP_Resource resource) {
return !!Resource::GetAs<URLRequestInfo>(resource);
}
bool SetProperty(PP_Resource request_id,
PP_URLRequestProperty_Dev property,
PP_Var var) {
scoped_refptr<URLRequestInfo> request(
Resource::GetAs<URLRequestInfo>(request_id));
if (!request)
return false;
if (var.type == PP_VARTYPE_BOOL)
return request->SetBooleanProperty(property, var.value.as_bool);
if (var.type == PP_VARTYPE_STRING) {
scoped_refptr<StringVar> string(StringVar::FromPPVar(var));
if (string)
return request->SetStringProperty(property, string->value());
}
return false;
}
bool AppendDataToBody(PP_Resource request_id, PP_Var var) {
scoped_refptr<URLRequestInfo> request(
Resource::GetAs<URLRequestInfo>(request_id));
if (!request)
return false;
scoped_refptr<StringVar> data(StringVar::FromPPVar(var));
if (!data)
return false;
return request->AppendDataToBody(data->value());
}
bool AppendFileToBody(PP_Resource request_id,
PP_Resource file_ref_id,
int64_t start_offset,
int64_t number_of_bytes,
PP_Time expected_last_modified_time) {
scoped_refptr<URLRequestInfo> request(
Resource::GetAs<URLRequestInfo>(request_id));
if (!request)
return false;
scoped_refptr<FileRef> file_ref(Resource::GetAs<FileRef>(file_ref_id));
if (!file_ref)
return false;
return request->AppendFileToBody(file_ref,
start_offset,
number_of_bytes,
expected_last_modified_time);
}
const PPB_URLRequestInfo_Dev ppb_urlrequestinfo = {
&Create,
&IsURLRequestInfo,
&SetProperty,
&AppendDataToBody,
&AppendFileToBody
};
} // namespace
URLRequestInfo::URLRequestInfo(PluginModule* module)
: Resource(module),
stream_to_file_(false) {
}
URLRequestInfo::~URLRequestInfo() {
}
// static
const PPB_URLRequestInfo_Dev* URLRequestInfo::GetInterface() {
return &ppb_urlrequestinfo;
}
bool URLRequestInfo::SetBooleanProperty(PP_URLRequestProperty_Dev property,
bool value) {
switch (property) {
case PP_URLREQUESTPROPERTY_STREAMTOFILE:
stream_to_file_ = value;
return true;
default:
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return false;
}
}
bool URLRequestInfo::SetStringProperty(PP_URLRequestProperty_Dev property,
const std::string& value) {
// TODO(darin): Validate input. Perhaps at a different layer?
switch (property) {
case PP_URLREQUESTPROPERTY_URL:
url_ = value; // NOTE: This may be a relative URL.
return true;
case PP_URLREQUESTPROPERTY_METHOD:
method_ = value;
return true;
case PP_URLREQUESTPROPERTY_HEADERS:
headers_ = value;
return true;
default:
return false;
}
}
bool URLRequestInfo::AppendDataToBody(const std::string& data) {
if (!data.empty())
body_.push_back(BodyItem(data));
return true;
}
bool URLRequestInfo::AppendFileToBody(FileRef* file_ref,
int64_t start_offset,
int64_t number_of_bytes,
PP_Time expected_last_modified_time) {
// Ignore a call to append nothing.
if (number_of_bytes == 0)
return true;
// Check for bad values. (-1 means read until end of file.)
if (start_offset < 0 || number_of_bytes < -1)
return false;
body_.push_back(BodyItem(file_ref,
start_offset,
number_of_bytes,
expected_last_modified_time));
return true;
}
WebURLRequest URLRequestInfo::ToWebURLRequest(WebFrame* frame) const {
WebURLRequest web_request;
web_request.initialize();
web_request.setURL(frame->document().completeURL(WebString::fromUTF8(url_)));
web_request.setDownloadToFile(stream_to_file_);
if (!method_.empty())
web_request.setHTTPMethod(WebString::fromUTF8(method_));
if (!headers_.empty()) {
net::HttpUtil::HeadersIterator it(headers_.begin(), headers_.end(), "\n");
while (it.GetNext()) {
if (!IsIgnoredRequestHeader(it.name())) {
web_request.addHTTPHeaderField(
WebString::fromUTF8(it.name()),
WebString::fromUTF8(it.values()));
}
}
}
if (!body_.empty()) {
WebHTTPBody http_body;
http_body.initialize();
for (size_t i = 0; i < body_.size(); ++i) {
if (body_[i].file_ref) {
http_body.appendFileRange(
webkit_glue::FilePathToWebString(body_[i].file_ref->system_path()),
body_[i].start_offset,
body_[i].number_of_bytes,
body_[i].expected_last_modified_time);
} else {
DCHECK(!body_[i].data.empty());
http_body.appendData(WebData(body_[i].data));
}
}
web_request.setHTTPBody(http_body);
}
frame->setReferrerForRequest(web_request, WebURL()); // Use default.
return web_request;
}
} // namespace pepper
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