a1993157726580e36835e20c4d4a1343b5664cca
[WebKit-https.git] / Source / WebKit / win / WebDownloadCFNet.cpp
1 /*
2  * Copyright (C) 2007 Apple Inc.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
24  */
25
26 #include "config.h"
27 #include "WebKitDLL.h"
28 #include "WebDownload.h"
29
30 #include "DefaultDownloadDelegate.h"
31 #include "MarshallingHelpers.h"
32 #include "WebError.h"
33 #include "WebKit.h"
34 #include "WebKitLogging.h"
35 #include "WebMutableURLRequest.h"
36 #include "WebURLAuthenticationChallenge.h"
37 #include "WebURLCredential.h"
38 #include "WebURLResponse.h"
39
40 #include <wtf/platform.h>
41 #include <wtf/text/CString.h>
42
43 #include <io.h>
44 #include <sys/stat.h>
45 #include <sys/types.h>
46
47 #pragma warning(push, 0)
48 #include <WebCore/AuthenticationCF.h>
49 #include <WebCore/BString.h>
50 #include <WebCore/CredentialStorage.h>
51 #include <WebCore/LoaderRunLoopCF.h>
52 #include <WebCore/ResourceError.h>
53 #include <WebCore/ResourceHandle.h>
54 #include <WebCore/ResourceRequest.h>
55 #include <WebCore/ResourceResponse.h>
56 #include <wtf/CurrentTime.h>
57 #pragma warning(pop)
58
59 using namespace WebCore;
60
61 // CFURLDownload Callbacks ----------------------------------------------------------------
62 static void didStartCallback(CFURLDownloadRef download, const void *clientInfo);
63 static CFURLRequestRef willSendRequestCallback(CFURLDownloadRef download, CFURLRequestRef request, CFURLResponseRef redirectionResponse, const void *clientInfo);
64 static void didReceiveAuthenticationChallengeCallback(CFURLDownloadRef download, CFURLAuthChallengeRef challenge, const void *clientInfo);
65 static void didReceiveResponseCallback(CFURLDownloadRef download, CFURLResponseRef response, const void *clientInfo);
66 static void willResumeWithResponseCallback(CFURLDownloadRef download, CFURLResponseRef response, UInt64 startingByte, const void *clientInfo);
67 static void didReceiveDataCallback(CFURLDownloadRef download, CFIndex length, const void *clientInfo);
68 static Boolean shouldDecodeDataOfMIMETypeCallback(CFURLDownloadRef download, CFStringRef encodingType, const void *clientInfo);
69 static void decideDestinationWithSuggestedObjectNameCallback(CFURLDownloadRef download, CFStringRef objectName, const void *clientInfo);
70 static void didCreateDestinationCallback(CFURLDownloadRef download, CFURLRef path, const void *clientInfo);
71 static void didFinishCallback(CFURLDownloadRef download, const void *clientInfo);
72 static void didFailCallback(CFURLDownloadRef download, CFErrorRef error, const void *clientInfo);
73
74 void WebDownload::init(ResourceHandle* handle, const ResourceRequest& request, const ResourceResponse& response, IWebDownloadDelegate* delegate)
75 {
76     m_delegate = delegate ? delegate : DefaultDownloadDelegate::sharedInstance();
77     CFURLConnectionRef connection = handle->connection();
78     if (!connection) {
79         LOG_ERROR("WebDownload::WebDownload(ResourceHandle*,...) called with an inactive ResourceHandle");    
80         return;
81     }
82
83     CFURLDownloadClient client = {0, this, 0, 0, 0, didStartCallback, willSendRequestCallback, didReceiveAuthenticationChallengeCallback, 
84         didReceiveResponseCallback, willResumeWithResponseCallback, didReceiveDataCallback, shouldDecodeDataOfMIMETypeCallback,
85         decideDestinationWithSuggestedObjectNameCallback, didCreateDestinationCallback, didFinishCallback, didFailCallback};
86
87     m_request.adoptRef(WebMutableURLRequest::createInstance(request));
88     m_download.adoptCF(CFURLDownloadCreateAndStartWithLoadingConnection(0, connection, request.cfURLRequest(), response.cfURLResponse(), &client));
89
90     // It is possible for CFURLDownloadCreateAndStartWithLoadingConnection() to fail if the passed in CFURLConnection is not in a "downloadable state"
91     // However, we should never hit that case
92     if (!m_download) {
93         ASSERT_NOT_REACHED();
94         LOG_ERROR("WebDownload - Failed to create WebDownload from existing connection (%s)", request.url().string().utf8().data());
95     } else
96         LOG(Download, "WebDownload - Created WebDownload %p from existing connection (%s)", this, request.url().string().utf8().data());
97
98     // The CFURLDownload either starts successfully and retains the CFURLConnection, 
99     // or it fails to creating and we have a now-useless connection with a dangling ref. 
100     // Either way, we need to release the connection to balance out ref counts
101     handle->releaseConnectionForDownload();
102     CFRelease(connection);
103 }
104
105 void WebDownload::init(const KURL& url, IWebDownloadDelegate* delegate)
106 {
107     m_delegate = delegate ? delegate : DefaultDownloadDelegate::sharedInstance();
108     LOG_ERROR("Delegate is %p", m_delegate.get());
109
110     ResourceRequest request(url);
111     CFURLRequestRef cfRequest = request.cfURLRequest();
112
113     CFURLDownloadClient client = {0, this, 0, 0, 0, didStartCallback, willSendRequestCallback, didReceiveAuthenticationChallengeCallback, 
114                                   didReceiveResponseCallback, willResumeWithResponseCallback, didReceiveDataCallback, shouldDecodeDataOfMIMETypeCallback, 
115                                   decideDestinationWithSuggestedObjectNameCallback, didCreateDestinationCallback, didFinishCallback, didFailCallback};
116     m_request.adoptRef(WebMutableURLRequest::createInstance(request));
117     m_download.adoptCF(CFURLDownloadCreate(0, cfRequest, &client));
118
119     CFURLDownloadScheduleWithCurrentMessageQueue(m_download.get());
120     CFURLDownloadScheduleDownloadWithRunLoop(m_download.get(), loaderRunLoop(), kCFRunLoopDefaultMode);
121
122     LOG(Download, "WebDownload - Initialized download of url %s in WebDownload %p", url.string().utf8().data(), this);
123 }
124
125 // IWebDownload -------------------------------------------------------------------
126
127 HRESULT STDMETHODCALLTYPE WebDownload::initWithRequest(
128         /* [in] */ IWebURLRequest* request, 
129         /* [in] */ IWebDownloadDelegate* delegate)
130 {
131     COMPtr<WebMutableURLRequest> webRequest;
132     if (!request || FAILED(request->QueryInterface(&webRequest))) {
133         LOG(Download, "WebDownload - initWithRequest failed - not a WebMutableURLRequest");    
134         return E_FAIL;
135     }
136
137     if (!delegate)
138         return E_FAIL;
139     m_delegate = delegate;
140     LOG(Download, "Delegate is %p", m_delegate.get());
141
142     RetainPtr<CFURLRequestRef> cfRequest = webRequest->resourceRequest().cfURLRequest();
143
144     CFURLDownloadClient client = {0, this, 0, 0, 0, didStartCallback, willSendRequestCallback, didReceiveAuthenticationChallengeCallback, 
145                                   didReceiveResponseCallback, willResumeWithResponseCallback, didReceiveDataCallback, shouldDecodeDataOfMIMETypeCallback, 
146                                   decideDestinationWithSuggestedObjectNameCallback, didCreateDestinationCallback, didFinishCallback, didFailCallback};
147     m_request.adoptRef(WebMutableURLRequest::createInstance(webRequest.get()));
148     m_download.adoptCF(CFURLDownloadCreate(0, cfRequest.get(), &client));
149
150     // If for some reason the download failed to create, 
151     // we have particular cleanup to do
152     if (!m_download) {
153         m_request = 0;    
154         return E_FAIL;
155     }
156
157     CFURLDownloadScheduleWithCurrentMessageQueue(m_download.get());
158     CFURLDownloadScheduleDownloadWithRunLoop(m_download.get(), loaderRunLoop(), kCFRunLoopDefaultMode);
159
160     LOG(Download, "WebDownload - initWithRequest complete, started download of url %s", webRequest->resourceRequest().url().string().utf8().data());
161     return S_OK;
162 }
163
164 HRESULT STDMETHODCALLTYPE WebDownload::initToResumeWithBundle(
165         /* [in] */ BSTR bundlePath, 
166         /* [in] */ IWebDownloadDelegate* delegate)
167 {
168     LOG(Download, "Attempting resume of download bundle %s", String(bundlePath, SysStringLen(bundlePath)).ascii().data());
169
170     RetainPtr<CFDataRef> resumeData(AdoptCF, extractResumeDataFromBundle(String(bundlePath, SysStringLen(bundlePath))));
171     
172     if (!resumeData)
173         return E_FAIL;
174
175     if (!delegate)
176         return E_FAIL;
177     m_delegate = delegate;
178     LOG(Download, "Delegate is %p", m_delegate.get());
179
180     CFURLDownloadClient client = {0, this, 0, 0, 0, didStartCallback, willSendRequestCallback, didReceiveAuthenticationChallengeCallback, 
181                                   didReceiveResponseCallback, willResumeWithResponseCallback, didReceiveDataCallback, shouldDecodeDataOfMIMETypeCallback, 
182                                   decideDestinationWithSuggestedObjectNameCallback, didCreateDestinationCallback, didFinishCallback, didFailCallback};
183     
184     RetainPtr<CFURLRef> pathURL(AdoptCF, MarshallingHelpers::PathStringToFileCFURLRef(String(bundlePath, SysStringLen(bundlePath))));
185     ASSERT(pathURL);
186
187     m_download.adoptCF(CFURLDownloadCreateWithResumeData(0, resumeData.get(), pathURL.get(), &client));
188
189     if (!m_download) {
190         LOG(Download, "Failed to create CFURLDownloadRef for resume");    
191         return E_FAIL;
192     }
193     
194     m_bundlePath = String(bundlePath, SysStringLen(bundlePath));
195     // Attempt to remove the ".download" extension from the bundle for the final file destination
196     // Failing that, we clear m_destination and will ask the delegate later once the download starts
197     if (m_bundlePath.endsWith(bundleExtension(), false)) {
198         m_destination = m_bundlePath.threadsafeCopy();
199         m_destination.truncate(m_destination.length() - bundleExtension().length());
200     } else
201         m_destination = String();
202     
203     CFURLDownloadScheduleWithCurrentMessageQueue(m_download.get());
204     CFURLDownloadScheduleDownloadWithRunLoop(m_download.get(), loaderRunLoop(), kCFRunLoopDefaultMode);
205
206     LOG(Download, "WebDownload - initWithRequest complete, resumed download of bundle %s", String(bundlePath, SysStringLen(bundlePath)).ascii().data());
207     return S_OK;
208 }
209
210 HRESULT STDMETHODCALLTYPE WebDownload::start()
211 {
212     LOG(Download, "WebDownload - Starting download (%p)", this);
213     if (!m_download)
214         return E_FAIL;
215
216     CFURLDownloadStart(m_download.get());
217     // FIXME: 4950477 - CFURLDownload neglects to make the didStart() client call upon starting the download.
218     // This is a somewhat critical call, so we'll fake it for now!
219     didStart();
220
221     return S_OK;
222 }
223
224 HRESULT STDMETHODCALLTYPE WebDownload::cancel()
225 {
226     LOG(Download, "WebDownload - Cancelling download (%p)", this);
227     if (!m_download)
228         return E_FAIL;
229
230     CFURLDownloadCancel(m_download.get());
231     m_download = 0;
232     return S_OK;
233 }
234
235 HRESULT STDMETHODCALLTYPE WebDownload::cancelForResume()
236 {
237     LOG(Download, "WebDownload - Cancelling download (%p), writing resume information to file if possible", this);
238     ASSERT(m_download);
239     if (!m_download)
240         return E_FAIL;
241
242     HRESULT hr = S_OK;
243     RetainPtr<CFDataRef> resumeData;
244     if (m_destination.isEmpty()) {
245         CFURLDownloadCancel(m_download.get());
246         goto exit;
247     }
248
249     CFURLDownloadSetDeletesUponFailure(m_download.get(), false);
250     CFURLDownloadCancel(m_download.get());
251
252     resumeData = CFURLDownloadCopyResumeData(m_download.get());
253     if (!resumeData) {
254         LOG(Download, "WebDownload - Unable to create resume data for download (%p)", this);
255         goto exit;
256     }
257
258     appendResumeDataToBundle(resumeData.get(), m_bundlePath);
259    
260 exit:
261     m_download = 0;
262     return hr;
263 }
264
265 HRESULT STDMETHODCALLTYPE WebDownload::deletesFileUponFailure(
266         /* [out, retval] */ BOOL* result)
267 {
268     if (!m_download)
269         return E_FAIL;
270     *result = CFURLDownloadDeletesUponFailure(m_download.get());
271     return S_OK;
272 }
273
274 HRESULT STDMETHODCALLTYPE WebDownload::setDeletesFileUponFailure(
275         /* [in] */ BOOL deletesFileUponFailure)
276 {
277     if (!m_download)
278         return E_FAIL;
279     CFURLDownloadSetDeletesUponFailure(m_download.get(), !!deletesFileUponFailure);
280     return S_OK;
281 }
282
283 HRESULT STDMETHODCALLTYPE WebDownload::setDestination(
284         /* [in] */ BSTR path, 
285         /* [in] */ BOOL allowOverwrite)
286 {
287     if (!m_download)
288         return E_FAIL;
289
290     m_destination = String(path, SysStringLen(path));
291     m_bundlePath = m_destination + bundleExtension();
292
293     CFURLRef pathURL = MarshallingHelpers::PathStringToFileCFURLRef(m_bundlePath);
294     CFURLDownloadSetDestination(m_download.get(), pathURL, !!allowOverwrite);
295     CFRelease(pathURL);
296
297     LOG(Download, "WebDownload - Set destination to %s", m_bundlePath.ascii().data());
298
299     return S_OK;
300 }
301
302 // IWebURLAuthenticationChallengeSender -------------------------------------------------------------------
303
304 HRESULT STDMETHODCALLTYPE WebDownload::cancelAuthenticationChallenge(
305         /* [in] */ IWebURLAuthenticationChallenge*)
306 {
307     if (m_download) {
308         CFURLDownloadCancel(m_download.get());
309         m_download = 0;
310     }
311
312     // FIXME: Do we need a URL or description for this error code?
313     ResourceError error(String(WebURLErrorDomain), WebURLErrorUserCancelledAuthentication, "", "");
314     COMPtr<WebError> webError(AdoptCOM, WebError::createInstance(error));
315     m_delegate->didFailWithError(this, webError.get());
316
317     return S_OK;
318 }
319
320 HRESULT STDMETHODCALLTYPE WebDownload::continueWithoutCredentialForAuthenticationChallenge(
321         /* [in] */ IWebURLAuthenticationChallenge* challenge)
322 {
323     COMPtr<WebURLAuthenticationChallenge> webChallenge(Query, challenge);
324     if (!webChallenge)
325         return E_NOINTERFACE;
326
327     if (m_download)
328         CFURLDownloadUseCredential(m_download.get(), 0, webChallenge->authenticationChallenge().cfURLAuthChallengeRef());
329     return S_OK;
330 }
331
332 HRESULT STDMETHODCALLTYPE WebDownload::useCredential(
333         /* [in] */ IWebURLCredential* credential, 
334         /* [in] */ IWebURLAuthenticationChallenge* challenge)
335 {
336     COMPtr<WebURLAuthenticationChallenge> webChallenge(Query, challenge);
337     if (!webChallenge)
338         return E_NOINTERFACE;
339
340     COMPtr<WebURLCredential> webCredential(Query, credential);
341     if (!webCredential)
342         return E_NOINTERFACE;
343
344     RetainPtr<CFURLCredentialRef> cfCredential(AdoptCF, createCF(webCredential->credential()));
345
346     if (m_download)
347         CFURLDownloadUseCredential(m_download.get(), cfCredential.get(), webChallenge->authenticationChallenge().cfURLAuthChallengeRef());
348     return S_OK;
349 }
350
351 // CFURLDownload Callbacks -------------------------------------------------------------------
352 void WebDownload::didStart()
353 {
354 #ifndef NDEBUG
355     m_startTime = m_dataTime = currentTime();
356     m_received = 0;
357     LOG(Download, "DOWNLOAD - Started %p at %.3f seconds", this, m_startTime);
358 #endif
359     if (FAILED(m_delegate->didBegin(this)))
360         LOG_ERROR("DownloadDelegate->didBegin failed");
361 }
362
363 CFURLRequestRef WebDownload::willSendRequest(CFURLRequestRef request, CFURLResponseRef response)
364 {
365     COMPtr<WebMutableURLRequest> webRequest(AdoptCOM, WebMutableURLRequest::createInstance(ResourceRequest(request)));
366     COMPtr<WebURLResponse> webResponse(AdoptCOM, WebURLResponse::createInstance(ResourceResponse(response)));
367     COMPtr<IWebMutableURLRequest> finalRequest;
368
369     if (FAILED(m_delegate->willSendRequest(this, webRequest.get(), webResponse.get(), &finalRequest)))
370         LOG_ERROR("DownloadDelegate->willSendRequest failed");
371     
372     if (!finalRequest)
373         return 0;
374
375     COMPtr<WebMutableURLRequest> finalWebRequest(AdoptCOM, WebMutableURLRequest::createInstance(finalRequest.get()));
376     m_request = finalWebRequest.get();
377     CFURLRequestRef result = finalWebRequest->resourceRequest().cfURLRequest();
378     CFRetain(result);
379     return result;
380 }
381
382 void WebDownload::didReceiveAuthenticationChallenge(CFURLAuthChallengeRef challenge)
383 {
384     // Try previously stored credential first.
385     if (!CFURLAuthChallengeGetPreviousFailureCount(challenge)) {
386         Credential credential = CredentialStorage::get(core(CFURLAuthChallengeGetProtectionSpace(challenge)));
387         if (!credential.isEmpty()) {
388             RetainPtr<CFURLCredentialRef> cfCredential(AdoptCF, createCF(credential));
389             CFURLDownloadUseCredential(m_download.get(), cfCredential.get(), challenge);
390             return;
391         }
392     }
393
394     COMPtr<IWebURLAuthenticationChallenge> webChallenge(AdoptCOM,
395         WebURLAuthenticationChallenge::createInstance(AuthenticationChallenge(challenge, 0), this));
396
397     if (SUCCEEDED(m_delegate->didReceiveAuthenticationChallenge(this, webChallenge.get())))
398         return;
399
400     cancelAuthenticationChallenge(webChallenge.get());
401 }
402
403 void WebDownload::didReceiveResponse(CFURLResponseRef response)
404 {
405     COMPtr<WebURLResponse> webResponse(AdoptCOM, WebURLResponse::createInstance(ResourceResponse(response)));
406     if (FAILED(m_delegate->didReceiveResponse(this, webResponse.get())))
407         LOG_ERROR("DownloadDelegate->didReceiveResponse failed");
408 }
409
410 void WebDownload::willResumeWithResponse(CFURLResponseRef response, UInt64 fromByte)
411 {
412     COMPtr<WebURLResponse> webResponse(AdoptCOM, WebURLResponse::createInstance(ResourceResponse(response)));
413     if (FAILED(m_delegate->willResumeWithResponse(this, webResponse.get(), fromByte)))
414         LOG_ERROR("DownloadDelegate->willResumeWithResponse failed");
415 }
416
417 void WebDownload::didReceiveData(CFIndex length)
418 {
419 #ifndef NDEBUG
420     m_received += length;
421     double current = currentTime();
422     if (current - m_dataTime > 2.0)
423         LOG(Download, "DOWNLOAD - %p hanged for %.3f seconds - Received %i bytes for a total of %i", this, current - m_dataTime, length, m_received);
424     m_dataTime = current;
425 #endif
426     if (FAILED(m_delegate->didReceiveDataOfLength(this, length)))
427         LOG_ERROR("DownloadDelegate->didReceiveData failed");
428 }
429
430 bool WebDownload::shouldDecodeDataOfMIMEType(CFStringRef mimeType)
431 {
432     BOOL result;
433     if (FAILED(m_delegate->shouldDecodeSourceDataOfMIMEType(this, BString(mimeType), &result))) {
434         LOG_ERROR("DownloadDelegate->shouldDecodeSourceDataOfMIMEType failed");
435         return false;
436     }
437     return !!result;
438 }
439
440 void WebDownload::decideDestinationWithSuggestedObjectName(CFStringRef name)
441 {    
442     if (FAILED(m_delegate->decideDestinationWithSuggestedFilename(this, BString(name))))
443         LOG_ERROR("DownloadDelegate->decideDestinationWithSuggestedObjectName failed");
444 }
445
446 void WebDownload::didCreateDestination(CFURLRef destination)
447 {
448     // The concept of the ".download bundle" is internal to the WebDownload, so therefore
449     // we try to mask the delegate from its existence as much as possible by telling it the final
450     // destination was created, when in reality the bundle was created
451
452     String createdDestination = MarshallingHelpers::FileCFURLRefToPathString(destination);
453
454     // At this point in receiving CFURLDownload callbacks, we should definitely have the bundle path stored locally
455     // and it should match with the file that CFURLDownload created
456     ASSERT(createdDestination == m_bundlePath);
457     // And we should also always have the final-destination stored
458     ASSERT(!m_destination.isEmpty());
459
460     BString path(m_destination);
461     if (FAILED(m_delegate->didCreateDestination(this, path)))
462         LOG_ERROR("DownloadDelegate->didCreateDestination failed");
463 }
464
465 void WebDownload::didFinish()
466 {
467 #ifndef NDEBUG
468     LOG(Download, "DOWNLOAD - Finished %p after %i bytes and %.3f seconds", this, m_received, currentTime() - m_startTime);
469 #endif
470
471     ASSERT(!m_bundlePath.isEmpty() && !m_destination.isEmpty());
472     LOG(Download, "WebDownload - Moving file from bundle %s to destination %s", m_bundlePath.ascii().data(), m_destination.ascii().data());
473
474     // We try to rename the bundle to the final file name.  If that fails, we give the delegate one more chance to chose
475     // the final file name, then we just leave it
476     if (!MoveFileEx(m_bundlePath.charactersWithNullTermination(), m_destination.charactersWithNullTermination(), 0)) {
477         LOG_ERROR("Failed to move bundle %s to %s on completion\nError - %i", m_bundlePath.ascii().data(), m_destination.ascii().data(), GetLastError());
478         
479         bool reportBundlePathAsFinalPath = true;
480
481         BString destinationBSTR(m_destination.characters(), m_destination.length());
482         if (FAILED(m_delegate->decideDestinationWithSuggestedFilename(this, destinationBSTR)))
483             LOG_ERROR("delegate->decideDestinationWithSuggestedFilename() failed");
484
485         // The call to m_delegate->decideDestinationWithSuggestedFilename() should have changed our destination, so we'll try the move
486         // one last time.
487         if (!m_destination.isEmpty())
488             if (MoveFileEx(m_bundlePath.charactersWithNullTermination(), m_destination.charactersWithNullTermination(), 0))
489                 reportBundlePathAsFinalPath = false;
490
491         // We either need to tell the delegate our final filename is the bundle filename, or is the file name they just told us to use
492         if (reportBundlePathAsFinalPath) {
493             BString bundleBSTR(m_bundlePath);
494             m_delegate->didCreateDestination(this, bundleBSTR);
495         } else {
496             BString finalDestinationBSTR = BString(m_destination);
497             m_delegate->didCreateDestination(this, finalDestinationBSTR);
498         }
499     }
500
501     // It's extremely likely the call to delegate->didFinish() will deref this, so lets not let that cause our destruction just yet
502     COMPtr<WebDownload> protect = this;
503     if (FAILED(m_delegate->didFinish(this)))
504         LOG_ERROR("DownloadDelegate->didFinish failed");
505
506     m_download = 0;
507 }
508
509 void WebDownload::didFail(CFErrorRef error)
510 {
511     COMPtr<WebError> webError(AdoptCOM, WebError::createInstance(ResourceError(error)));
512     if (FAILED(m_delegate->didFailWithError(this, webError.get())))
513         LOG_ERROR("DownloadDelegate->didFailWithError failed");
514 }
515
516 // CFURLDownload Callbacks ----------------------------------------------------------------
517 void didStartCallback(CFURLDownloadRef, const void *clientInfo)
518 { ((WebDownload*)clientInfo)->didStart(); }
519
520 CFURLRequestRef willSendRequestCallback(CFURLDownloadRef, CFURLRequestRef request, CFURLResponseRef redirectionResponse, const void *clientInfo)
521 { return ((WebDownload*)clientInfo)->willSendRequest(request, redirectionResponse); }
522
523 void didReceiveAuthenticationChallengeCallback(CFURLDownloadRef, CFURLAuthChallengeRef challenge, const void *clientInfo)
524 { ((WebDownload*)clientInfo)->didReceiveAuthenticationChallenge(challenge); }
525
526 void didReceiveResponseCallback(CFURLDownloadRef, CFURLResponseRef response, const void *clientInfo)
527 { ((WebDownload*)clientInfo)->didReceiveResponse(response); }
528
529 void willResumeWithResponseCallback(CFURLDownloadRef, CFURLResponseRef response, UInt64 startingByte, const void *clientInfo)
530 { ((WebDownload*)clientInfo)->willResumeWithResponse(response, startingByte); }
531
532 void didReceiveDataCallback(CFURLDownloadRef, CFIndex length, const void *clientInfo)
533 { ((WebDownload*)clientInfo)->didReceiveData(length); }
534
535 Boolean shouldDecodeDataOfMIMETypeCallback(CFURLDownloadRef, CFStringRef encodingType, const void *clientInfo)
536 { return ((WebDownload*)clientInfo)->shouldDecodeDataOfMIMEType(encodingType); }
537
538 void decideDestinationWithSuggestedObjectNameCallback(CFURLDownloadRef, CFStringRef objectName, const void *clientInfo)
539 { ((WebDownload*)clientInfo)->decideDestinationWithSuggestedObjectName(objectName); }
540
541 void didCreateDestinationCallback(CFURLDownloadRef, CFURLRef path, const void *clientInfo)
542 { ((WebDownload*)clientInfo)->didCreateDestination(path); }
543
544 void didFinishCallback(CFURLDownloadRef, const void *clientInfo)
545 { ((WebDownload*)clientInfo)->didFinish(); }
546
547 void didFailCallback(CFURLDownloadRef, CFErrorRef error, const void *clientInfo)
548 { ((WebDownload*)clientInfo)->didFail(error); }