summaryrefslogtreecommitdiffstats
path: root/netwerk/protocol/wyciwyg/nsWyciwygProtocolHandler.cpp
blob: 4e1f7c22e63f63ef66a6dd9ce34adba45fc0cc66 (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
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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/. */

#include "nsWyciwyg.h"
#include "nsWyciwygChannel.h"
#include "nsWyciwygProtocolHandler.h"
#include "nsNetCID.h"
#include "nsServiceManagerUtils.h"
#include "plstr.h"
#include "nsIObserverService.h"
#include "mozIApplicationClearPrivateDataParams.h"
#include "nsIURI.h"

#include "mozilla/net/NeckoChild.h"

using namespace mozilla::net;
#include "mozilla/net/WyciwygChannelChild.h"

////////////////////////////////////////////////////////////////////////////////

nsWyciwygProtocolHandler::nsWyciwygProtocolHandler() 
{
  LOG(("Creating nsWyciwygProtocolHandler [this=%p].\n", this));
}

nsWyciwygProtocolHandler::~nsWyciwygProtocolHandler() 
{
  LOG(("Deleting nsWyciwygProtocolHandler [this=%p]\n", this));
}

NS_IMPL_ISUPPORTS(nsWyciwygProtocolHandler,
                  nsIProtocolHandler)

////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:
////////////////////////////////////////////////////////////////////////////////

NS_IMETHODIMP
nsWyciwygProtocolHandler::GetScheme(nsACString &result)
{
  result = "wyciwyg";
  return NS_OK;
}

NS_IMETHODIMP
nsWyciwygProtocolHandler::GetDefaultPort(int32_t *result) 
{
  return NS_ERROR_NOT_AVAILABLE;
}

NS_IMETHODIMP 
nsWyciwygProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
{
  // don't override anything.  
  *_retval = false;
  return NS_OK;
}

NS_IMETHODIMP
nsWyciwygProtocolHandler::NewURI(const nsACString &aSpec,
                                 const char *aCharset, // ignored
                                 nsIURI *aBaseURI,
                                 nsIURI **result) 
{
  nsresult rv;

  nsCOMPtr<nsIURI> url = do_CreateInstance(NS_SIMPLEURI_CONTRACTID, &rv);
  NS_ENSURE_SUCCESS(rv, rv);

  rv = url->SetSpec(aSpec);
  NS_ENSURE_SUCCESS(rv, rv);

  url.forget(result);

  return rv;
}

NS_IMETHODIMP
nsWyciwygProtocolHandler::NewChannel2(nsIURI* url,
                                      nsILoadInfo* aLoadInfo,
                                      nsIChannel** result)
{
  if (mozilla::net::IsNeckoChild())
    mozilla::net::NeckoChild::InitNeckoChild();

  NS_ENSURE_ARG_POINTER(url);
  nsresult rv;

  nsCOMPtr<nsIWyciwygChannel> channel;
  if (IsNeckoChild()) {
    NS_ENSURE_TRUE(gNeckoChild != nullptr, NS_ERROR_FAILURE);

    WyciwygChannelChild *wcc = static_cast<WyciwygChannelChild *>(
                                 gNeckoChild->SendPWyciwygChannelConstructor());
    if (!wcc)
      return NS_ERROR_OUT_OF_MEMORY;

    channel = wcc;
    rv = wcc->Init(url);
    if (NS_FAILED(rv))
      PWyciwygChannelChild::Send__delete__(wcc);
  } else
  {
    // If original channel used https, make sure PSM is initialized
    // (this may be first channel to load during a session restore)
    nsAutoCString path;
    rv = url->GetPath(path);
    NS_ENSURE_SUCCESS(rv, rv);
    int32_t slashIndex = path.FindChar('/', 2);
    if (slashIndex == kNotFound)
      return NS_ERROR_FAILURE;
    if (path.Length() < (uint32_t)slashIndex + 1 + 5)
      return NS_ERROR_FAILURE;
    if (!PL_strncasecmp(path.get() + slashIndex + 1, "https", 5))
      net_EnsurePSMInit();

    nsWyciwygChannel *wc = new nsWyciwygChannel();
    channel = wc;
    rv = wc->Init(url);
  }

  if (NS_FAILED(rv))
    return rv;

  // set the loadInfo on the new channel
  rv = channel->SetLoadInfo(aLoadInfo);
  if (NS_FAILED(rv)) {
      return rv;
  }

  channel.forget(result);
  return NS_OK;
}

NS_IMETHODIMP
nsWyciwygProtocolHandler::NewChannel(nsIURI* url, nsIChannel* *result)
{
  return NewChannel2(url, nullptr, result);
}

NS_IMETHODIMP
nsWyciwygProtocolHandler::GetProtocolFlags(uint32_t *result) 
{
  // Should this be an an nsINestedURI?  We don't really want random webpages
  // loading these URIs...

  // Note that using URI_INHERITS_SECURITY_CONTEXT here is OK -- untrusted code
  // is not allowed to link to wyciwyg URIs and users shouldn't be able to get
  // at them, and nsDocShell::InternalLoad forbids non-history loads of these
  // URIs.  And when loading from history we end up using the principal from
  // the history entry, which we put there ourselves, so all is ok.
  *result = URI_NORELATIVE | URI_NOAUTH | URI_DANGEROUS_TO_LOAD |
    URI_INHERITS_SECURITY_CONTEXT;
  return NS_OK;
}