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// Copyright 2009, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome_frame/npapi_url_request.h"
#include "base/string_util.h"
#include "chrome_frame/np_browser_functions.h"
#include "net/base/net_errors.h"
int NPAPIUrlRequest::instance_count_ = 0;
NPAPIUrlRequest::NPAPIUrlRequest(NPP instance)
: ref_count_(0), instance_(instance), stream_(NULL),
pending_read_size_(0),
status_(URLRequestStatus::FAILED, net::ERR_FAILED),
thread_(PlatformThread::CurrentId()) {
DLOG(INFO) << "Created request. Count: " << ++instance_count_;
}
NPAPIUrlRequest::~NPAPIUrlRequest() {
DLOG(INFO) << "Deleted request. Count: " << --instance_count_;
}
// NPAPIUrlRequest member defines.
bool NPAPIUrlRequest::Start() {
NPError result = NPERR_GENERIC_ERROR;
DLOG(INFO) << "Starting URL request: " << url();
if (LowerCaseEqualsASCII(method(), "get")) {
// TODO(joshia): if we have extra headers for HTTP GET, then implement
// it using XHR
result = npapi::GetURLNotify(instance_, url().c_str(), NULL, this);
} else if (LowerCaseEqualsASCII(method(), "post")) {
result = npapi::PostURLNotify(instance_, url().c_str(), NULL,
extra_headers().length(), extra_headers().c_str(), false, this);
} else {
NOTREACHED() << "PluginUrlRequest only supports 'GET'/'POST'";
}
if (NPERR_NO_ERROR == result) {
request_handler()->AddRequest(this);
} else {
int os_error = net::ERR_FAILED;
switch (result) {
case NPERR_INVALID_URL:
os_error = net::ERR_INVALID_URL;
break;
default:
break;
}
OnResponseEnd(URLRequestStatus(URLRequestStatus::FAILED, os_error));
return false;
}
return true;
}
void NPAPIUrlRequest::Stop() {
DLOG(INFO) << "Finished request: Url - " << url() << " result: "
<< static_cast<int>(status_.status());
if (stream_) {
npapi::DestroyStream(instance_, stream_, NPRES_USER_BREAK);
stream_ = NULL;
}
request_handler()->RemoveRequest(this);
if (!status_.is_io_pending())
OnResponseEnd(status_);
}
bool NPAPIUrlRequest::Read(int bytes_to_read) {
pending_read_size_ = bytes_to_read;
return true;
}
bool NPAPIUrlRequest::OnStreamCreated(const char* mime_type, NPStream* stream) {
stream_ = stream;
status_.set_status(URLRequestStatus::IO_PENDING);
// TODO(iyengar)
// Add support for passing persistent cookies and information about any URL
// redirects to Chrome.
OnResponseStarted(mime_type, stream->headers, stream->end,
base::Time::FromTimeT(stream->lastmodified), std::string(),
std::string(), 0);
return true;
}
void NPAPIUrlRequest::OnStreamDestroyed(NPReason reason) {
URLRequestStatus::Status status = URLRequestStatus::FAILED;
switch (reason) {
case NPRES_DONE:
status_.set_status(URLRequestStatus::SUCCESS);
status_.set_os_error(0);
break;
case NPRES_USER_BREAK:
status_.set_status(URLRequestStatus::CANCELED);
status_.set_os_error(net::ERR_ABORTED);
break;
case NPRES_NETWORK_ERR:
default:
status_.set_status(URLRequestStatus::FAILED);
status_.set_os_error(net::ERR_CONNECTION_CLOSED);
break;
}
}
int NPAPIUrlRequest::OnWriteReady() {
return pending_read_size_;
}
int NPAPIUrlRequest::OnWrite(void* buffer, int len) {
pending_read_size_ = 0;
OnReadComplete(buffer, len);
return len;
}
STDMETHODIMP_(ULONG) NPAPIUrlRequest::AddRef() {
DCHECK_EQ(PlatformThread::CurrentId(), thread_);
++ref_count_;
return ref_count_;
}
STDMETHODIMP_(ULONG) NPAPIUrlRequest::Release() {
DCHECK_EQ(PlatformThread::CurrentId(), thread_);
unsigned long ret = --ref_count_;
if (!ret)
delete this;
return ret;
}
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