summaryrefslogtreecommitdiffstats
path: root/netwerk/protocol/http/InterceptedChannel.h
blob: efab7abca68841e9fca7e2b2a0a419abce86228f (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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set expandtab ts=2 sw=2 sts=2 cin: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef InterceptedChannel_h
#define InterceptedChannel_h

#include "nsINetworkInterceptController.h"
#include "mozilla/RefPtr.h"
#include "mozilla/Maybe.h"

class nsICacheEntry;
class nsInputStreamPump;
class nsIStreamListener;

namespace mozilla {
namespace net {

class nsHttpChannel;
class HttpChannelChild;
class nsHttpResponseHead;
class InterceptStreamListener;

// An object representing a channel that has been intercepted. This avoids complicating
// the actual channel implementation with the details of synthesizing responses.
class InterceptedChannelBase : public nsIInterceptedChannel {
protected:
  // The interception controller to notify about the successful channel interception
  nsCOMPtr<nsINetworkInterceptController> mController;

  // The stream to write the body of the synthesized response
  nsCOMPtr<nsIOutputStream> mResponseBody;

  // Response head for use when synthesizing
  Maybe<nsAutoPtr<nsHttpResponseHead>> mSynthesizedResponseHead;

  nsCOMPtr<nsIConsoleReportCollector> mReportCollector;
  nsCOMPtr<nsISupports> mReleaseHandle;

  bool mClosed;

  void EnsureSynthesizedResponse();
  void DoNotifyController();
  nsresult DoSynthesizeStatus(uint16_t aStatus, const nsACString& aReason);
  nsresult DoSynthesizeHeader(const nsACString& aName, const nsACString& aValue);

  TimeStamp mLaunchServiceWorkerStart;
  TimeStamp mLaunchServiceWorkerEnd;
  TimeStamp mDispatchFetchEventStart;
  TimeStamp mDispatchFetchEventEnd;
  TimeStamp mHandleFetchEventStart;
  TimeStamp mHandleFetchEventEnd;

  virtual ~InterceptedChannelBase();
public:
  explicit InterceptedChannelBase(nsINetworkInterceptController* aController);

  // Notify the interception controller that the channel has been intercepted
  // and prepare the response body output stream.
  virtual void NotifyController() = 0;

  NS_DECL_ISUPPORTS

  NS_IMETHOD GetResponseBody(nsIOutputStream** aOutput) override;
  NS_IMETHOD GetConsoleReportCollector(nsIConsoleReportCollector** aCollectorOut) override;
  NS_IMETHOD SetReleaseHandle(nsISupports* aHandle) override;

  NS_IMETHODIMP
  SetLaunchServiceWorkerStart(TimeStamp aTimeStamp) override
  {
    mLaunchServiceWorkerStart = aTimeStamp;
    return NS_OK;
  }

  NS_IMETHODIMP
  SetLaunchServiceWorkerEnd(TimeStamp aTimeStamp) override
  {
    mLaunchServiceWorkerEnd = aTimeStamp;
    return NS_OK;
  }

  NS_IMETHODIMP
  SetDispatchFetchEventStart(TimeStamp aTimeStamp) override
  {
    mDispatchFetchEventStart = aTimeStamp;
    return NS_OK;
  }

  NS_IMETHODIMP
  SetDispatchFetchEventEnd(TimeStamp aTimeStamp) override
  {
    mDispatchFetchEventEnd = aTimeStamp;
    return NS_OK;
  }

  NS_IMETHODIMP
  SetHandleFetchEventStart(TimeStamp aTimeStamp) override
  {
    mHandleFetchEventStart = aTimeStamp;
    return NS_OK;
  }

  NS_IMETHODIMP
  SetHandleFetchEventEnd(TimeStamp aTimeStamp) override
  {
    mHandleFetchEventEnd = aTimeStamp;
    return NS_OK;
  }

  NS_IMETHODIMP SaveTimeStampsToUnderlyingChannel() override;

  static already_AddRefed<nsIURI>
  SecureUpgradeChannelURI(nsIChannel* aChannel);
};

class InterceptedChannelChrome : public InterceptedChannelBase
{
  // The actual channel being intercepted.
  RefPtr<nsHttpChannel> mChannel;

  // Writeable cache entry for use when synthesizing a response in a parent process
  nsCOMPtr<nsICacheEntry> mSynthesizedCacheEntry;

  // When a channel is intercepted, content decoding is disabled since the
  // ServiceWorker will have already extracted the decoded data. For parent
  // process channels we need to preserve the earlier value in case
  // ResetInterception is called.
  bool mOldApplyConversion;
public:
  InterceptedChannelChrome(nsHttpChannel* aChannel,
                           nsINetworkInterceptController* aController,
                           nsICacheEntry* aEntry);

  NS_IMETHOD ResetInterception() override;
  NS_IMETHOD FinishSynthesizedResponse(const nsACString& aFinalURLSpec) override;
  NS_IMETHOD GetChannel(nsIChannel** aChannel) override;
  NS_IMETHOD GetSecureUpgradedChannelURI(nsIURI** aURI) override;
  NS_IMETHOD SynthesizeStatus(uint16_t aStatus, const nsACString& aReason) override;
  NS_IMETHOD SynthesizeHeader(const nsACString& aName, const nsACString& aValue) override;
  NS_IMETHOD Cancel(nsresult aStatus) override;
  NS_IMETHOD SetChannelInfo(mozilla::dom::ChannelInfo* aChannelInfo) override;
  NS_IMETHOD GetInternalContentPolicyType(nsContentPolicyType *aInternalContentPolicyType) override;

  virtual void NotifyController() override;
};

class InterceptedChannelContent : public InterceptedChannelBase
{
  // The actual channel being intercepted.
  RefPtr<HttpChannelChild> mChannel;

  // Reader-side of the response body when synthesizing in a child proces
  nsCOMPtr<nsIInputStream> mSynthesizedInput;

  // Listener for the synthesized response to fix up the notifications before they reach
  // the actual channel.
  RefPtr<InterceptStreamListener> mStreamListener;

  // Set for intercepted channels that have gone through a secure upgrade.
  bool mSecureUpgrade;
public:
  InterceptedChannelContent(HttpChannelChild* aChannel,
                            nsINetworkInterceptController* aController,
                            InterceptStreamListener* aListener,
                            bool aSecureUpgrade);

  NS_IMETHOD ResetInterception() override;
  NS_IMETHOD FinishSynthesizedResponse(const nsACString& aFinalURLSpec) override;
  NS_IMETHOD GetChannel(nsIChannel** aChannel) override;
  NS_IMETHOD GetSecureUpgradedChannelURI(nsIURI** aURI) override;
  NS_IMETHOD SynthesizeStatus(uint16_t aStatus, const nsACString& aReason) override;
  NS_IMETHOD SynthesizeHeader(const nsACString& aName, const nsACString& aValue) override;
  NS_IMETHOD Cancel(nsresult aStatus) override;
  NS_IMETHOD SetChannelInfo(mozilla::dom::ChannelInfo* aChannelInfo) override;
  NS_IMETHOD GetInternalContentPolicyType(nsContentPolicyType *aInternalContentPolicyType) override;

  virtual void NotifyController() override;
};

} // namespace net
} // namespace mozilla

#endif // InterceptedChannel_h