blob: 2589f5d31cbb65aeed8922c3a4f169f1fc759d8e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
// Copyright (c) 2009 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 CHROME_BROWSER_SSL_SSL_ERROR_HANDLER_H_
#define CHROME_BROWSER_SSL_SSL_ERROR_HANDLER_H_
#include <string>
#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "chrome/browser/renderer_host/global_request_id.h"
#include "chrome/browser/ssl/ssl_manager.h"
#include "chrome/common/filter_policy.h"
#include "googleurl/src/gurl.h"
#include "webkit/glue/resource_type.h"
class ResourceDispatcherHost;
class SSLCertErrorHandler;
class TabContents;
class URLRequest;
// An SSLErrorHandler carries information from the IO thread to the UI thread
// and is dispatched to the appropriate SSLManager when it arrives on the
// UI thread. Subclasses should override the OnDispatched/OnDispatchFailed
// methods to implement the actions that should be taken on the UI thread.
// These methods can call the different convenience methods ContinueRequest/
// CancelRequest/StartRequest to perform any required action on the URLRequest
// the ErrorHandler was created with.
//
// IMPORTANT NOTE:
//
// If you are not doing anything in OnDispatched/OnDispatchFailed, make sure
// you call TakeNoAction(). This is necessary for ensuring the instance is
// not leaked.
//
class SSLErrorHandler : public base::RefCountedThreadSafe<SSLErrorHandler> {
public:
virtual SSLCertErrorHandler* AsSSLCertErrorHandler() { return NULL; }
// Find the appropriate SSLManager for the URLRequest and begin handling
// this error.
//
// Call on UI thread.
void Dispatch();
// Available on either thread.
const GURL& request_url() const { return request_url_; }
// Available on either thread.
ResourceType::Type resource_type() const { return resource_type_; }
// Available on either thread.
const std::string& frame_origin() const { return frame_origin_; }
// Available on either thread.
const std::string& main_frame_origin() const { return main_frame_origin_; }
// Returns the TabContents this object is associated with. Should be
// called from the UI thread.
TabContents* GetTabContents();
// Cancels the associated URLRequest.
// This method can be called from OnDispatchFailed and OnDispatched.
void CancelRequest();
// Continue the URLRequest ignoring any previous errors. Note that some
// errors cannot be ignored, in which case this will result in the request
// being canceled.
// This method can be called from OnDispatchFailed and OnDispatched.
void ContinueRequest();
// Cancels the associated URLRequest and mark it as denied. The renderer
// processes such request in a special manner, optionally replacing them
// with alternate content (typically frames content is replaced with a
// warning message).
// This method can be called from OnDispatchFailed and OnDispatched.
void DenyRequest();
// Starts the associated URLRequest. |filter_policy| specifies whether the
// ResourceDispatcher should attempt to filter the loaded content in order
// to make it secure (ex: images are made slightly transparent and are
// stamped).
// Should only be called when the URLRequest has not already been started.
// This method can be called from OnDispatchFailed and OnDispatched.
void StartRequest(FilterPolicy::Type filter_policy);
// Does nothing on the URLRequest but ensures the current instance ref
// count is decremented appropriately. Subclasses that do not want to
// take any specific actions in their OnDispatched/OnDispatchFailed should
// call this.
void TakeNoAction();
protected:
friend class base::RefCountedThreadSafe<SSLErrorHandler>;
// Construct on the IO thread.
SSLErrorHandler(ResourceDispatcherHost* resource_dispatcher_host,
URLRequest* request,
ResourceType::Type resource_type,
const std::string& frame_origin,
const std::string& main_frame_origin);
virtual ~SSLErrorHandler() { }
// The following 2 methods are the methods subclasses should implement.
virtual void OnDispatchFailed() { TakeNoAction(); }
// Can use the manager_ member.
virtual void OnDispatched() { TakeNoAction(); }
// Should only be accessed on the UI thread.
SSLManager* manager_; // Our manager.
// The id of the URLRequest associated with this object.
// Should only be accessed from the IO thread.
GlobalRequestID request_id_;
// The ResourceDispatcherHost we are associated with.
ResourceDispatcherHost* resource_dispatcher_host_;
private:
// Completes the CancelRequest operation on the IO thread.
// Call on the IO thread.
void CompleteCancelRequest(int error);
// Completes the ContinueRequest operation on the IO thread.
//
// Call on the IO thread.
void CompleteContinueRequest();
// Completes the StartRequest operation on the IO thread.
// Call on the IO thread.
void CompleteStartRequest(FilterPolicy::Type filter_policy);
// Derefs this instance.
// Call on the IO thread.
void CompleteTakeNoAction();
// We use these members to find the correct SSLManager when we arrive on
// the UI thread.
int render_process_host_id_;
int tab_contents_id_;
// The URL that we requested.
// This read-only member can be accessed on any thread.
const GURL request_url_;
// What kind of resource is associated with the requested that generated
// that error.
// This read-only member can be accessed on any thread.
const ResourceType::Type resource_type_;
// The origin of the frame associated with this request.
// This read-only member can be accessed on any thread.
const std::string frame_origin_;
// The origin of the main frame associated with this request.
// This read-only member can be accessed on any thread.
const std::string main_frame_origin_;
// A flag to make sure we notify the URLRequest exactly once.
// Should only be accessed on the IO thread
bool request_has_been_notified_;
DISALLOW_COPY_AND_ASSIGN(SSLErrorHandler);
};
#endif // CHROME_BROWSER_SSL_SSL_ERROR_HANDLER_H_
|
