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// 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.
#ifndef CONTENT_BROWSER_RENDERER_HOST_X509_USER_CERT_RESOURCE_HANDLER_H_
#define CONTENT_BROWSER_RENDERER_HOST_X509_USER_CERT_RESOURCE_HANDLER_H_
#include <string>
#include <utility>
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/ref_counted.h"
#include "content/browser/renderer_host/resource_handler.h"
#include "googleurl/src/gurl.h"
namespace net {
class IOBuffer;
class URLRequest;
class URLRequestStatus;
} // namespace net
namespace content {
// This class handles the "application/x-x509-user-cert" mime-type
// which is a certificate generated by a CA, typically after a previous
// <keygen> form post.
class X509UserCertResourceHandler : public ResourceHandler {
public:
X509UserCertResourceHandler(net::URLRequest* request,
int render_process_host_id,
int render_view_id);
virtual ~X509UserCertResourceHandler();
virtual bool OnUploadProgress(int request_id,
uint64 position,
uint64 size) OVERRIDE;
// Not needed, as this event handler ought to be the final resource.
virtual bool OnRequestRedirected(int request_id,
const GURL& url,
ResourceResponse* resp,
bool* defer) OVERRIDE;
// Check if this indeed an X509 cert.
virtual bool OnResponseStarted(int request_id,
ResourceResponse* resp,
bool* defer) OVERRIDE;
// Pass-through implementation.
virtual bool OnWillStart(int request_id,
const GURL& url,
bool* defer) OVERRIDE;
// Create a new buffer to store received data.
virtual bool OnWillRead(int request_id,
net::IOBuffer** buf,
int* buf_size,
int min_size) OVERRIDE;
// A read was completed, maybe allocate a new buffer for further data.
virtual bool OnReadCompleted(int request_id,
int bytes_read,
bool* defer) OVERRIDE;
// Done downloading the certificate.
virtual bool OnResponseCompleted(int request_id,
const net::URLRequestStatus& urs,
const std::string& sec_info) OVERRIDE;
private:
typedef std::vector<std::pair<scoped_refptr<net::IOBuffer>,
size_t> > ContentVector;
void AssembleResource();
GURL url_;
net::URLRequest* request_;
size_t content_length_;
ContentVector buffer_;
scoped_refptr<net::IOBuffer> read_buffer_;
scoped_refptr<net::IOBuffer> resource_buffer_; // Downloaded certificate.
// The id of the |RenderProcessHost| which started the download.
int render_process_host_id_;
// The id of the |RenderView| which started the download.
int render_view_id_;
DISALLOW_COPY_AND_ASSIGN(X509UserCertResourceHandler);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_X509_USER_CERT_RESOURCE_HANDLER_H_
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