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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Chimera code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* David Hyatt <hyatt@netscape.com>
* Simon Fraser <sfraser@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "MozDownload.h"
#include "EphyHeaderSniffer.h"
#include "netCore.h"
#include "nsIChannel.h"
#include "nsIHttpChannel.h"
#include "nsIURL.h"
#include "nsIStringEnumerator.h"
#include "nsIPrefService.h"
#include "nsIMIMEService.h"
#include "nsIMIMEInfo.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIDownload.h"
const char* const persistContractID = "@mozilla.org/embedding/browser/nsWebBrowserPersist;1";
EphyHeaderSniffer::EphyHeaderSniffer(nsIWebBrowserPersist* aPersist, MozillaEmbedPersist *aEmbedPersist,
nsIFile* aFile, nsIURI* aURL, nsIDOMDocument* aDocument, nsIInputStream* aPostData,
const nsAString& aSuggestedFilename, PRBool aBypassCache)
: mPersist(aPersist)
, mEmbedPersist(aEmbedPersist)
, mTmpFile(aFile)
, mURL(aURL)
, mDocument(aDocument)
, mPostData(aPostData)
, mDefaultFilename(aSuggestedFilename)
, mBypassCache(aBypassCache)
{
}
EphyHeaderSniffer::~EphyHeaderSniffer()
{
}
NS_IMPL_ISUPPORTS1(EphyHeaderSniffer, nsIWebProgressListener)
// Implementation of nsIWebProgressListener
/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aStateFlags, in unsigned long aStatus); */
NS_IMETHODIMP
EphyHeaderSniffer::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags,
PRUint32 aStatus)
{
if (aStateFlags & nsIWebProgressListener::STATE_START)
{
nsCOMPtr<nsIWebBrowserPersist> kungFuDeathGrip(mPersist); // be sure to keep it alive while we save
// since it owns us as a listener
nsCOMPtr<nsIWebProgressListener> kungFuSuicideGrip(this); // and keep ourselves alive
nsresult rv;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest, &rv);
if (!channel) return rv;
channel->GetContentType(mContentType);
nsCOMPtr<nsIURI> origURI;
channel->GetOriginalURI(getter_AddRefs(origURI));
// Get the content-disposition if we're an HTTP channel.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel)
httpChannel->GetResponseHeader(nsCAutoString("content-disposition"), mContentDisposition);
mPersist->CancelSave();
PRBool exists;
mTmpFile->Exists(&exists);
if (exists)
mTmpFile->Remove(PR_FALSE);
rv = PerformSave(origURI);
if (NS_FAILED(rv))
{
// put up some UI
}
}
return NS_OK;
}
/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
NS_IMETHODIMP
EphyHeaderSniffer::OnProgressChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRInt32 aCurSelfProgress,
PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress,
PRInt32 aMaxTotalProgress)
{
return NS_OK;
}
/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
NS_IMETHODIMP
EphyHeaderSniffer::OnLocationChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
nsIURI *location)
{
return NS_OK;
}
/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
NS_IMETHODIMP
EphyHeaderSniffer::OnStatusChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
nsresult aStatus,
const PRUnichar *aMessage)
{
return NS_OK;
}
/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long state); */
NS_IMETHODIMP
EphyHeaderSniffer::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 state)
{
return NS_OK;
}
nsresult EphyHeaderSniffer::PerformSave(nsIURI* inOriginalURI)
{
nsresult rv;
PRBool isHTML = (mDocument && mContentType.Equals("text/html") ||
mContentType.Equals("text/xml") ||
mContentType.Equals("application/xhtml+xml"));
nsCOMPtr<nsILocalFile> file;
rv = NS_NewLocalFile(mDefaultFilename, PR_TRUE, getter_AddRefs(file));
if (NS_FAILED(rv) || !file) return G_FAILED;
nsCOMPtr<nsISupports> sourceData;
if (isHTML)
sourceData = do_QueryInterface(mDocument);
else
sourceData = do_QueryInterface(mURL);
return InitiateDownload(sourceData, file, inOriginalURI);
}
// inOriginalURI is always a URI. inSourceData can be an nsIURI or an nsIDOMDocument, depending
// on what we're saving. It's that way for nsIWebBrowserPersist.
nsresult EphyHeaderSniffer::InitiateDownload(nsISupports* inSourceData, nsILocalFile* inDestFile, nsIURI* inOriginalURI)
{
nsresult rv = NS_OK;
nsCOMPtr<nsIWebBrowserPersist> webPersist = do_CreateInstance(persistContractID, &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIURI> sourceURI = do_QueryInterface(inSourceData);
PRInt64 timeNow = PR_Now();
nsAutoString fileDisplayName;
inDestFile->GetLeafName(fileDisplayName);
MozDownload *downloader = new MozDownload ();
// dlListener attaches to its progress dialog here, which gains ownership
rv = downloader->InitForEmbed (inOriginalURI, inDestFile, fileDisplayName.get(),
nsnull, timeNow, webPersist, mEmbedPersist);
if (NS_FAILED(rv)) return rv;
PRInt32 flags = nsIWebBrowserPersist::PERSIST_FLAGS_NO_CONVERSION |
nsIWebBrowserPersist::PERSIST_FLAGS_REPLACE_EXISTING_FILES;
if (mBypassCache)
flags |= nsIWebBrowserPersist::PERSIST_FLAGS_BYPASS_CACHE;
else
flags |= nsIWebBrowserPersist::PERSIST_FLAGS_FROM_CACHE;
webPersist->SetPersistFlags(flags);
if (sourceURI)
{
rv = webPersist->SaveURI(sourceURI, nsnull, nsnull, mPostData, nsnull, inDestFile);
}
else
{
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(inSourceData, &rv);
if (!domDoc) return rv; // should never happen
PRInt32 encodingFlags = 0;
nsCOMPtr<nsILocalFile> filesFolder;
if (!mContentType.Equals("text/plain")) {
// Create a local directory in the same dir as our file. It
// will hold our associated files.
filesFolder = do_CreateInstance("@mozilla.org/file/local;1");
nsAutoString unicodePath;
inDestFile->GetPath(unicodePath);
filesFolder->InitWithPath(unicodePath);
nsAutoString leafName;
filesFolder->GetLeafName(leafName);
nsAutoString nameMinusExt(leafName);
PRInt32 index = nameMinusExt.RFind(".");
if (index >= 0)
nameMinusExt.Left(nameMinusExt, index);
nameMinusExt += NS_LITERAL_STRING(" Files"); // XXXdwh needs to be localizable!
filesFolder->SetLeafName(nameMinusExt);
PRBool exists = PR_FALSE;
filesFolder->Exists(&exists);
if (!exists) {
rv = filesFolder->Create(nsILocalFile::DIRECTORY_TYPE, 0755);
if (NS_FAILED(rv))
return rv;
}
}
else
{
encodingFlags |= nsIWebBrowserPersist::ENCODE_FLAGS_FORMATTED |
nsIWebBrowserPersist::ENCODE_FLAGS_ABSOLUTE_LINKS |
nsIWebBrowserPersist::ENCODE_FLAGS_NOFRAMES_CONTENT;
}
rv = webPersist->SaveDocument(domDoc, inDestFile, filesFolder, mContentType.get(), encodingFlags, 80);
}
return rv;
}
|
