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1 // Copyright (c) 2011 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 #include "chrome/browser/renderer_host/x509_user_cert_resource_handler.h" | |
6 | |
7 #include "base/string_util.h" | |
8 #include "chrome/browser/download/download_types.h" | |
9 #include "chrome/browser/renderer_host/resource_dispatcher_host.h" | |
10 #include "chrome/browser/renderer_host/resource_dispatcher_host_request_info.h" | |
11 #include "chrome/browser/ssl/ssl_add_cert_handler.h" | |
12 #include "chrome/common/resource_response.h" | |
13 #include "chrome/common/url_constants.h" | |
14 #include "net/base/io_buffer.h" | |
15 #include "net/base/mime_sniffer.h" | |
16 #include "net/base/mime_util.h" | |
17 #include "net/base/x509_certificate.h" | |
18 #include "net/http/http_response_headers.h" | |
19 #include "net/url_request/url_request.h" | |
20 #include "net/url_request/url_request_status.h" | |
21 | |
22 X509UserCertResourceHandler::X509UserCertResourceHandler( | |
23 ResourceDispatcherHost* host, net::URLRequest* request, | |
24 int render_process_host_id, int render_view_id) | |
25 : host_(host), | |
26 request_(request), | |
27 content_length_(0), | |
28 buffer_(new DownloadBuffer), | |
29 read_buffer_(NULL), | |
30 resource_buffer_(NULL), | |
31 render_process_host_id_(render_process_host_id), | |
32 render_view_id_(render_view_id) { | |
33 } | |
34 | |
35 bool X509UserCertResourceHandler::OnUploadProgress(int request_id, | |
36 uint64 position, | |
37 uint64 size) { | |
38 return true; | |
39 } | |
40 | |
41 bool X509UserCertResourceHandler::OnRequestRedirected(int request_id, | |
42 const GURL& url, | |
43 ResourceResponse* resp, | |
44 bool* defer) { | |
45 url_ = url; | |
46 return true; | |
47 } | |
48 | |
49 bool X509UserCertResourceHandler::OnResponseStarted(int request_id, | |
50 ResourceResponse* resp) { | |
51 return (resp->response_head.mime_type == "application/x-x509-user-cert"); | |
52 } | |
53 | |
54 bool X509UserCertResourceHandler::OnWillStart(int request_id, | |
55 const GURL& url, | |
56 bool* defer) { | |
57 return true; | |
58 } | |
59 | |
60 bool X509UserCertResourceHandler::OnWillRead(int request_id, | |
61 net::IOBuffer** buf, | |
62 int* buf_size, | |
63 int min_size) { | |
64 // TODO(gauravsh): Should we use 'min_size' here? | |
65 DCHECK(buf && buf_size); | |
66 if (!read_buffer_) { | |
67 read_buffer_ = new net::IOBuffer(kReadBufSize); | |
68 } | |
69 *buf = read_buffer_.get(); | |
70 *buf_size = kReadBufSize; | |
71 | |
72 return true; | |
73 } | |
74 | |
75 bool X509UserCertResourceHandler::OnReadCompleted(int request_id, | |
76 int* bytes_read) { | |
77 if (!*bytes_read) | |
78 return true; | |
79 | |
80 // We have more data to read. | |
81 DCHECK(read_buffer_); | |
82 content_length_ += *bytes_read; | |
83 | |
84 // Release the ownership of the buffer, and store a reference | |
85 // to it. A new one will be allocated in OnWillRead(). | |
86 net::IOBuffer* buffer = NULL; | |
87 read_buffer_.swap(&buffer); | |
88 // TODO(gauravsh): Should this be handled by a separate thread? | |
89 buffer_->contents.push_back(std::make_pair(buffer, *bytes_read)); | |
90 | |
91 return true; | |
92 } | |
93 | |
94 bool X509UserCertResourceHandler::OnResponseCompleted( | |
95 int request_id, | |
96 const net::URLRequestStatus& urs, | |
97 const std::string& sec_info) { | |
98 if (urs.status() != net::URLRequestStatus::SUCCESS) | |
99 return false; | |
100 | |
101 // TODO(gauravsh): Verify that 'request_id' was actually a keygen form post | |
102 // and only then import the certificate. | |
103 AssembleResource(); | |
104 scoped_refptr<net::X509Certificate> cert( | |
105 net::X509Certificate::CreateFromBytes(resource_buffer_->data(), | |
106 content_length_)); | |
107 // The handler will run the UI and delete itself when it's finished. | |
108 new SSLAddCertHandler(request_, cert, render_process_host_id_, | |
109 render_view_id_); | |
110 return true; | |
111 } | |
112 | |
113 void X509UserCertResourceHandler::OnRequestClosed() { | |
114 } | |
115 | |
116 X509UserCertResourceHandler::~X509UserCertResourceHandler() { | |
117 } | |
118 | |
119 void X509UserCertResourceHandler::AssembleResource() { | |
120 size_t bytes_copied = 0; | |
121 resource_buffer_ = new net::IOBuffer(content_length_); | |
122 | |
123 for (size_t i = 0; i < buffer_->contents.size(); ++i) { | |
124 net::IOBuffer* data = buffer_->contents[i].first; | |
125 const int data_len = buffer_->contents[i].second; | |
126 DCHECK(bytes_copied + data_len <= content_length_); | |
127 memcpy(resource_buffer_->data() + bytes_copied, data->data(), data_len); | |
128 bytes_copied += data_len; | |
129 } | |
130 } | |
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