1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_ 6 #define CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_ 7 8 #include <string> 9 #include <utility> 10 #include <vector> 11 12 #include "base/compiler_specific.h" 13 #include "base/memory/ref_counted.h" 14 #include "base/memory/scoped_ptr.h" 15 #include "content/browser/loader/resource_handler.h" 16 #include "net/base/mime_util.h" 17 #include "url/gurl.h" 18 19 namespace net { 20 class IOBuffer; 21 class URLRequest; 22 class URLRequestStatus; 23 } // namespace net 24 25 namespace content { 26 27 // This class handles certificate mime types such as: 28 // - "application/x-x509-user-cert" 29 // - "application/x-x509-ca-cert" 30 // - "application/x-pkcs12" 31 // 32 class CertificateResourceHandler : public ResourceHandler { 33 public: 34 explicit CertificateResourceHandler(net::URLRequest* request); 35 virtual ~CertificateResourceHandler(); 36 37 virtual bool OnUploadProgress(int request_id, 38 uint64 position, 39 uint64 size) OVERRIDE; 40 41 // Not needed, as this event handler ought to be the final resource. 42 virtual bool OnRequestRedirected(int request_id, 43 const GURL& url, 44 ResourceResponse* resp, 45 bool* defer) OVERRIDE; 46 47 // Check if this indeed an X509 cert. 48 virtual bool OnResponseStarted(int request_id, 49 ResourceResponse* resp, 50 bool* defer) OVERRIDE; 51 52 // Pass-through implementation. 53 virtual bool OnWillStart(int request_id, 54 const GURL& url, 55 bool* defer) OVERRIDE; 56 57 // Create a new buffer to store received data. 58 virtual bool OnWillRead(int request_id, 59 scoped_refptr<net::IOBuffer>* buf, 60 int* buf_size, 61 int min_size) OVERRIDE; 62 63 // A read was completed, maybe allocate a new buffer for further data. 64 virtual bool OnReadCompleted(int request_id, 65 int bytes_read, 66 bool* defer) OVERRIDE; 67 68 // Done downloading the certificate. 69 virtual void OnResponseCompleted(int request_id, 70 const net::URLRequestStatus& urs, 71 const std::string& sec_info, 72 bool* defer) OVERRIDE; 73 74 // N/A to cert downloading. 75 virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE; 76 77 private: 78 typedef std::vector<std::pair<scoped_refptr<net::IOBuffer>, 79 size_t> > ContentVector; 80 81 void AssembleResource(); 82 83 GURL url_; 84 size_t content_length_; 85 ContentVector buffer_; 86 scoped_refptr<net::IOBuffer> read_buffer_; 87 scoped_refptr<net::IOBuffer> resource_buffer_; // Downloaded certificate. 88 net::CertificateMimeType cert_type_; 89 DISALLOW_COPY_AND_ASSIGN(CertificateResourceHandler); 90 }; 91 92 } // namespace content 93 94 #endif // CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_ 95