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Issue 18501013: Move most importer code to chrome/utility/importer (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: another gyp attempt Created 7 years, 5 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/importer/ie_importer.h"
6
7 #include <ole2.h>
8 #include <intshcut.h>
9 #include <shlobj.h>
10 #include <urlhist.h>
11 #include <wininet.h>
12
13 #include <algorithm>
14 #include <map>
15 #include <string>
16 #include <vector>
17
18 #include "base/file_util.h"
19 #include "base/files/file_enumerator.h"
20 #include "base/files/file_path.h"
21 #include "base/strings/string16.h"
22 #include "base/strings/string_split.h"
23 #include "base/strings/string_util.h"
24 #include "base/strings/utf_string_conversions.h"
25 #include "base/time/time.h"
26 #include "base/win/registry.h"
27 #include "base/win/scoped_co_mem.h"
28 #include "base/win/scoped_comptr.h"
29 #include "base/win/scoped_handle.h"
30 #include "base/win/scoped_propvariant.h"
31 #include "base/win/windows_version.h"
32 #include "chrome/browser/importer/ie_importer_utils_win.h"
33 #include "chrome/browser/importer/importer_bridge.h"
34 #include "chrome/browser/importer/pstore_declarations.h"
35 #include "chrome/browser/importer/reencode_favicon.h"
36 #include "chrome/common/importer/imported_bookmark_entry.h"
37 #include "chrome/common/importer/imported_favicon_usage.h"
38 #include "chrome/common/importer/importer_data_types.h"
39 #include "chrome/common/importer/importer_url_row.h"
40 #include "chrome/common/time_format.h"
41 #include "chrome/common/url_constants.h"
42 #include "content/public/common/password_form.h"
43 #include "grit/generated_resources.h"
44 #include "ui/base/l10n/l10n_util.h"
45 #include "url/gurl.h"
46
47 namespace {
48
49 // Registry key paths from which we import IE settings.
50 const char16 kSearchScopePath[] =
51 L"Software\\Microsoft\\Internet Explorer\\SearchScopes";
52 const char16 kIEVersionKey[] =
53 L"Software\\Microsoft\\Internet Explorer";
54 const char16 kIEToolbarKey[] =
55 L"Software\\Microsoft\\Internet Explorer\\Toolbar";
56
57 // NTFS stream name of favicon image data.
58 const char16 kFaviconStreamName[] = L":favicon:$DATA";
59
60 // A struct that hosts the information of AutoComplete data in PStore.
61 struct AutoCompleteInfo {
62 string16 key;
63 std::vector<string16> data;
64 bool is_url;
65 };
66
67 // Gets the creation time of the given file or directory.
68 base::Time GetFileCreationTime(const string16& file) {
69 base::Time creation_time;
70 base::win::ScopedHandle file_handle(
71 CreateFile(file.c_str(), GENERIC_READ,
72 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
73 NULL, OPEN_EXISTING,
74 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_BACKUP_SEMANTICS, NULL));
75 FILETIME creation_filetime;
76 if (GetFileTime(file_handle, &creation_filetime, NULL, NULL))
77 creation_time = base::Time::FromFileTime(creation_filetime);
78 return creation_time;
79 }
80
81 // Safely read an object of type T from a raw sequence of bytes.
82 template<typename T>
83 bool BinaryRead(T* data, size_t offset, const std::vector<uint8>& blob) {
84 if (offset + sizeof(T) > blob.size())
85 return false;
86 memcpy(data, &blob[offset], sizeof(T));
87 return true;
88 }
89
90 // Safely read an ITEMIDLIST from a raw sequence of bytes.
91 //
92 // An ITEMIDLIST is a list of SHITEMIDs, terminated by a SHITEMID with
93 // .cb = 0. Here, before simply casting &blob[offset] to LPITEMIDLIST,
94 // we verify that the list structure is not overrunning the boundary of
95 // the binary blob.
96 LPCITEMIDLIST BinaryReadItemIDList(size_t offset, size_t idlist_size,
97 const std::vector<uint8>& blob) {
98 size_t head = 0;
99 while (true) {
100 // Use a USHORT instead of SHITEMID to avoid buffer over read.
101 USHORT id_cb;
102 if (head >= idlist_size || !BinaryRead(&id_cb, offset + head, blob))
103 return NULL;
104 if (id_cb == 0)
105 break;
106 head += id_cb;
107 }
108 return reinterpret_cast<LPCITEMIDLIST>(&blob[offset]);
109 }
110
111 // Compares the two bookmarks in the order of IE's Favorites menu.
112 // Returns true if rhs should come later than lhs (lhs < rhs).
113 struct IEOrderBookmarkComparator {
114 bool operator()(const ImportedBookmarkEntry& lhs,
115 const ImportedBookmarkEntry& rhs) const {
116 static const uint32 kNotSorted = 0xfffffffb; // IE uses this magic value.
117 base::FilePath lhs_prefix;
118 base::FilePath rhs_prefix;
119 for (size_t i = 0; i <= lhs.path.size() && i <= rhs.path.size(); ++i) {
120 const base::FilePath::StringType lhs_i =
121 (i < lhs.path.size() ? lhs.path[i] : lhs.title + L".url");
122 const base::FilePath::StringType rhs_i =
123 (i < rhs.path.size() ? rhs.path[i] : rhs.title + L".url");
124 lhs_prefix = lhs_prefix.Append(lhs_i);
125 rhs_prefix = rhs_prefix.Append(rhs_i);
126 if (lhs_i == rhs_i)
127 continue;
128 // The first path element that differs between the two.
129 std::map<base::FilePath, uint32>::const_iterator lhs_iter =
130 sort_index_->find(lhs_prefix);
131 std::map<base::FilePath, uint32>::const_iterator rhs_iter =
132 sort_index_->find(rhs_prefix);
133 uint32 lhs_sort_index = (lhs_iter == sort_index_->end() ? kNotSorted
134 : lhs_iter->second);
135 uint32 rhs_sort_index = (rhs_iter == sort_index_->end() ? kNotSorted
136 : rhs_iter->second);
137 if (lhs_sort_index != rhs_sort_index)
138 return lhs_sort_index < rhs_sort_index;
139 // If they have the same sort order, sort alphabetically.
140 return lhs_i < rhs_i;
141 }
142 return lhs.path.size() < rhs.path.size();
143 }
144 const std::map<base::FilePath, uint32>* sort_index_;
145 };
146
147 // IE stores the order of the Favorites menu in registry under:
148 // HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Favorites.
149 // The folder hierarchy of Favorites menu is directly mapped to the key
150 // hierarchy in the registry.
151 //
152 // If the order of the items in a folder is customized by user, the order is
153 // recorded in the REG_BINARY value named "Order" of the corresponding key.
154 // The content of the "Order" value is a raw binary dump of an array of the
155 // following data structure
156 // struct {
157 // uint32 size; // Note that ITEMIDLIST is variably-sized.
158 // uint32 sort_index; // 0 means this is the first item, 1 the second, ...
159 // ITEMIDLIST item_id;
160 // };
161 // where each item_id should correspond to a favorites link file (*.url) in
162 // the current folder.
163 bool ParseFavoritesOrderBlob(
164 const Importer* importer,
165 const std::vector<uint8>& blob,
166 const base::FilePath& path,
167 std::map<base::FilePath, uint32>* sort_index) WARN_UNUSED_RESULT {
168 static const int kItemCountOffset = 16;
169 static const int kItemListStartOffset = 20;
170
171 // Read the number of items.
172 uint32 item_count = 0;
173 if (!BinaryRead(&item_count, kItemCountOffset, blob))
174 return false;
175
176 // Traverse over the items.
177 size_t base_offset = kItemListStartOffset;
178 for (uint32 i = 0; i < item_count && !importer->cancelled(); ++i) {
179 static const int kSizeOffset = 0;
180 static const int kSortIndexOffset = 4;
181 static const int kItemIDListOffset = 8;
182
183 // Read the size (number of bytes) of the current item.
184 uint32 item_size = 0;
185 if (!BinaryRead(&item_size, base_offset + kSizeOffset, blob) ||
186 base_offset + item_size <= base_offset || // checking overflow
187 base_offset + item_size > blob.size())
188 return false;
189
190 // Read the sort index of the current item.
191 uint32 item_sort_index = 0;
192 if (!BinaryRead(&item_sort_index, base_offset + kSortIndexOffset, blob))
193 return false;
194
195 // Read the file name from the ITEMIDLIST structure.
196 LPCITEMIDLIST idlist = BinaryReadItemIDList(
197 base_offset + kItemIDListOffset, item_size - kItemIDListOffset, blob);
198 TCHAR item_filename[MAX_PATH];
199 if (!idlist || FAILED(SHGetPathFromIDList(idlist, item_filename)))
200 return false;
201 base::FilePath item_relative_path =
202 path.Append(base::FilePath(item_filename).BaseName());
203
204 // Record the retrieved information and go to the next item.
205 sort_index->insert(std::make_pair(item_relative_path, item_sort_index));
206 base_offset += item_size;
207 }
208 return true;
209 }
210
211 bool ParseFavoritesOrderRegistryTree(
212 const Importer* importer,
213 const base::win::RegKey& key,
214 const base::FilePath& path,
215 std::map<base::FilePath, uint32>* sort_index) WARN_UNUSED_RESULT {
216 // Parse the order information of the current folder.
217 DWORD blob_length = 0;
218 if (key.ReadValue(L"Order", NULL, &blob_length, NULL) == ERROR_SUCCESS) {
219 std::vector<uint8> blob(blob_length);
220 if (blob_length > 0 &&
221 key.ReadValue(L"Order", reinterpret_cast<DWORD*>(&blob[0]),
222 &blob_length, NULL) == ERROR_SUCCESS) {
223 if (!ParseFavoritesOrderBlob(importer, blob, path, sort_index))
224 return false;
225 }
226 }
227
228 // Recursively parse subfolders.
229 for (base::win::RegistryKeyIterator child(key.Handle(), L"");
230 child.Valid() && !importer->cancelled();
231 ++child) {
232 base::win::RegKey subkey(key.Handle(), child.Name(), KEY_READ);
233 if (subkey.Valid()) {
234 base::FilePath subpath(path.Append(child.Name()));
235 if (!ParseFavoritesOrderRegistryTree(importer, subkey, subpath,
236 sort_index)) {
237 return false;
238 }
239 }
240 }
241 return true;
242 }
243
244 bool ParseFavoritesOrderInfo(
245 const Importer* importer,
246 std::map<base::FilePath, uint32>* sort_index) WARN_UNUSED_RESULT {
247 base::string16 key_path(importer::GetIEFavoritesOrderKey());
248 base::win::RegKey key(HKEY_CURRENT_USER, key_path.c_str(), KEY_READ);
249 if (!key.Valid())
250 return false;
251 return ParseFavoritesOrderRegistryTree(importer, key, base::FilePath(),
252 sort_index);
253 }
254
255 // Reads the sort order from registry. If failed, we don't touch the list
256 // and use the default (alphabetical) order.
257 void SortBookmarksInIEOrder(
258 const Importer* importer,
259 std::vector<ImportedBookmarkEntry>* bookmarks) {
260 std::map<base::FilePath, uint32> sort_index;
261 if (!ParseFavoritesOrderInfo(importer, &sort_index))
262 return;
263 IEOrderBookmarkComparator compare = {&sort_index};
264 std::sort(bookmarks->begin(), bookmarks->end(), compare);
265 }
266
267 // Reads an internet shortcut (*.url) |file| and returns a COM object
268 // representing it.
269 bool LoadInternetShortcut(
270 const string16& file,
271 base::win::ScopedComPtr<IUniformResourceLocator>* shortcut) {
272 base::win::ScopedComPtr<IUniformResourceLocator> url_locator;
273 if (FAILED(url_locator.CreateInstance(CLSID_InternetShortcut, NULL,
274 CLSCTX_INPROC_SERVER)))
275 return false;
276
277 base::win::ScopedComPtr<IPersistFile> persist_file;
278 if (FAILED(persist_file.QueryFrom(url_locator)))
279 return false;
280
281 // Loads the Internet Shortcut from persistent storage.
282 if (FAILED(persist_file->Load(file.c_str(), STGM_READ)))
283 return false;
284
285 std::swap(url_locator, *shortcut);
286 return true;
287 }
288
289 // Reads the URL stored in the internet shortcut.
290 GURL ReadURLFromInternetShortcut(IUniformResourceLocator* url_locator) {
291 base::win::ScopedCoMem<wchar_t> url;
292 // GetURL can return S_FALSE (FAILED(S_FALSE) is false) when url == NULL.
293 return (FAILED(url_locator->GetURL(&url)) || !url) ?
294 GURL() : GURL(WideToUTF16(std::wstring(url)));
295 }
296
297 // Reads the URL of the favicon of the internet shortcut.
298 GURL ReadFaviconURLFromInternetShortcut(IUniformResourceLocator* url_locator) {
299 base::win::ScopedComPtr<IPropertySetStorage> property_set_storage;
300 if (FAILED(property_set_storage.QueryFrom(url_locator)))
301 return GURL();
302
303 base::win::ScopedComPtr<IPropertyStorage> property_storage;
304 if (FAILED(property_set_storage->Open(FMTID_Intshcut, STGM_READ,
305 property_storage.Receive()))) {
306 return GURL();
307 }
308
309 PROPSPEC properties[] = {{PRSPEC_PROPID, PID_IS_ICONFILE}};
310 // ReadMultiple takes a non-const array of PROPVARIANTs, but since this code
311 // only needs an array of size 1: a non-const pointer to |output| is
312 // equivalent.
313 base::win::ScopedPropVariant output;
314 // ReadMultiple can return S_FALSE (FAILED(S_FALSE) is false) when the
315 // property is not found, in which case output[0].vt is set to VT_EMPTY.
316 if (FAILED(property_storage->ReadMultiple(1, properties, output.Receive())) ||
317 output.get().vt != VT_LPWSTR)
318 return GURL();
319 return GURL(WideToUTF16(output.get().pwszVal));
320 }
321
322 // Reads the favicon imaga data in an NTFS alternate data stream. This is where
323 // IE7 and above store the data.
324 bool ReadFaviconDataFromInternetShortcut(const string16& file,
325 std::string* data) {
326 return file_util::ReadFileToString(
327 base::FilePath(file + kFaviconStreamName), data);
328 }
329
330 // Reads the favicon imaga data in the Internet cache. IE6 doesn't hold the data
331 // explicitly, but it might be found in the cache.
332 bool ReadFaviconDataFromCache(const GURL& favicon_url, std::string* data) {
333 std::wstring url_wstring(UTF8ToWide(favicon_url.spec()));
334 DWORD info_size = 0;
335 GetUrlCacheEntryInfoEx(url_wstring.c_str(), NULL, &info_size, NULL, NULL,
336 NULL, 0);
337 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
338 return false;
339
340 std::vector<char> buf(info_size);
341 INTERNET_CACHE_ENTRY_INFO* cache =
342 reinterpret_cast<INTERNET_CACHE_ENTRY_INFO*>(&buf[0]);
343 if (!GetUrlCacheEntryInfoEx(url_wstring.c_str(), cache, &info_size, NULL,
344 NULL, NULL, 0)) {
345 return false;
346 }
347 return file_util::ReadFileToString(base::FilePath(cache->lpszLocalFileName),
348 data);
349 }
350
351 // Reads the binary image data of favicon of an internet shortcut file |file|.
352 // |favicon_url| read by ReadFaviconURLFromInternetShortcut is also needed to
353 // examine the IE cache.
354 bool ReadReencodedFaviconData(const string16& file,
355 const GURL& favicon_url,
356 std::vector<unsigned char>* data) {
357 std::string image_data;
358 if (!ReadFaviconDataFromInternetShortcut(file, &image_data) &&
359 !ReadFaviconDataFromCache(favicon_url, &image_data)) {
360 return false;
361 }
362
363 return ReencodeFavicon(reinterpret_cast<const uint8*>(image_data.c_str()),
364 image_data.size(), data);
365 }
366
367 // Loads favicon image data and registers to |favicon_map|.
368 void UpdateFaviconMap(
369 const string16& url_file,
370 const GURL& url,
371 IUniformResourceLocator* url_locator,
372 std::map<GURL, ImportedFaviconUsage>* favicon_map) {
373 GURL favicon_url = ReadFaviconURLFromInternetShortcut(url_locator);
374 if (!favicon_url.is_valid())
375 return;
376
377 std::map<GURL, ImportedFaviconUsage>::iterator it =
378 favicon_map->find(favicon_url);
379 if (it != favicon_map->end()) {
380 // Known favicon URL.
381 it->second.urls.insert(url);
382 } else {
383 // New favicon URL. Read the image data and store.
384 ImportedFaviconUsage usage;
385 if (ReadReencodedFaviconData(url_file, favicon_url, &usage.png_data)) {
386 usage.favicon_url = favicon_url;
387 usage.urls.insert(url);
388 favicon_map->insert(std::make_pair(favicon_url, usage));
389 }
390 }
391 }
392
393 } // namespace
394
395 // static
396 // {E161255A-37C3-11D2-BCAA-00C04fD929DB}
397 const GUID IEImporter::kPStoreAutocompleteGUID = {
398 0xe161255a, 0x37c3, 0x11d2,
399 { 0xbc, 0xaa, 0x00, 0xc0, 0x4f, 0xd9, 0x29, 0xdb }
400 };
401 // {A79029D6-753E-4e27-B807-3D46AB1545DF}
402 const GUID IEImporter::kUnittestGUID = {
403 0xa79029d6, 0x753e, 0x4e27,
404 { 0xb8, 0x7, 0x3d, 0x46, 0xab, 0x15, 0x45, 0xdf }
405 };
406
407 IEImporter::IEImporter() {
408 }
409
410 void IEImporter::StartImport(const importer::SourceProfile& source_profile,
411 uint16 items,
412 ImporterBridge* bridge) {
413 bridge_ = bridge;
414 source_path_ = source_profile.source_path;
415
416 bridge_->NotifyStarted();
417
418 if ((items & importer::HOME_PAGE) && !cancelled()) {
419 bridge_->NotifyItemStarted(importer::HOME_PAGE);
420 ImportHomepage(); // Doesn't have a UI item.
421 bridge_->NotifyItemEnded(importer::HOME_PAGE);
422 }
423 // The order here is important!
424 if ((items & importer::HISTORY) && !cancelled()) {
425 bridge_->NotifyItemStarted(importer::HISTORY);
426 ImportHistory();
427 bridge_->NotifyItemEnded(importer::HISTORY);
428 }
429 if ((items & importer::FAVORITES) && !cancelled()) {
430 bridge_->NotifyItemStarted(importer::FAVORITES);
431 ImportFavorites();
432 bridge_->NotifyItemEnded(importer::FAVORITES);
433 }
434 if ((items & importer::SEARCH_ENGINES) && !cancelled()) {
435 bridge_->NotifyItemStarted(importer::SEARCH_ENGINES);
436 ImportSearchEngines();
437 bridge_->NotifyItemEnded(importer::SEARCH_ENGINES);
438 }
439 if ((items & importer::PASSWORDS) && !cancelled()) {
440 bridge_->NotifyItemStarted(importer::PASSWORDS);
441 // Always import IE6 passwords.
442 ImportPasswordsIE6();
443
444 if (CurrentIEVersion() >= 7)
445 ImportPasswordsIE7();
446 bridge_->NotifyItemEnded(importer::PASSWORDS);
447 }
448 bridge_->NotifyEnded();
449 }
450
451 IEImporter::~IEImporter() {
452 }
453
454 void IEImporter::ImportFavorites() {
455 FavoritesInfo info;
456 if (!GetFavoritesInfo(&info))
457 return;
458
459 BookmarkVector bookmarks;
460 std::vector<ImportedFaviconUsage> favicons;
461 ParseFavoritesFolder(info, &bookmarks, &favicons);
462
463 if (!bookmarks.empty() && !cancelled()) {
464 const string16& first_folder_name =
465 l10n_util::GetStringUTF16(IDS_BOOKMARK_GROUP_FROM_IE);
466 bridge_->AddBookmarks(bookmarks, first_folder_name);
467 }
468 if (!favicons.empty() && !cancelled())
469 bridge_->SetFavicons(favicons);
470 }
471
472 void IEImporter::ImportHistory() {
473 const std::string kSchemes[] = {chrome::kHttpScheme,
474 chrome::kHttpsScheme,
475 chrome::kFtpScheme,
476 chrome::kFileScheme};
477 int total_schemes = arraysize(kSchemes);
478
479 base::win::ScopedComPtr<IUrlHistoryStg2> url_history_stg2;
480 HRESULT result;
481 result = url_history_stg2.CreateInstance(CLSID_CUrlHistory, NULL,
482 CLSCTX_INPROC_SERVER);
483 if (FAILED(result))
484 return;
485 base::win::ScopedComPtr<IEnumSTATURL> enum_url;
486 if (SUCCEEDED(result = url_history_stg2->EnumUrls(enum_url.Receive()))) {
487 std::vector<ImporterURLRow> rows;
488 STATURL stat_url;
489 ULONG fetched;
490 while (!cancelled() &&
491 (result = enum_url->Next(1, &stat_url, &fetched)) == S_OK) {
492 string16 url_string;
493 if (stat_url.pwcsUrl) {
494 url_string = stat_url.pwcsUrl;
495 CoTaskMemFree(stat_url.pwcsUrl);
496 }
497 string16 title_string;
498 if (stat_url.pwcsTitle) {
499 title_string = stat_url.pwcsTitle;
500 CoTaskMemFree(stat_url.pwcsTitle);
501 }
502
503 GURL url(url_string);
504 // Skips the URLs that are invalid or have other schemes.
505 if (!url.is_valid() ||
506 (std::find(kSchemes, kSchemes + total_schemes, url.scheme()) ==
507 kSchemes + total_schemes))
508 continue;
509
510 ImporterURLRow row(url);
511 row.title = title_string;
512 row.last_visit = base::Time::FromFileTime(stat_url.ftLastVisited);
513 if (stat_url.dwFlags == STATURL_QUERYFLAG_TOPLEVEL) {
514 row.visit_count = 1;
515 row.hidden = false;
516 } else {
517 row.hidden = true;
518 }
519
520 rows.push_back(row);
521 }
522
523 if (!rows.empty() && !cancelled()) {
524 bridge_->SetHistoryItems(rows, importer::VISIT_SOURCE_IE_IMPORTED);
525 }
526 }
527 }
528
529 void IEImporter::ImportPasswordsIE6() {
530 GUID AutocompleteGUID = kPStoreAutocompleteGUID;
531 if (!source_path_.empty()) {
532 // We supply a fake GUID for testting.
533 AutocompleteGUID = kUnittestGUID;
534 }
535
536 // The PStoreCreateInstance function retrieves an interface pointer
537 // to a storage provider. But this function has no associated import
538 // library or header file, we must call it using the LoadLibrary()
539 // and GetProcAddress() functions.
540 typedef HRESULT (WINAPI *PStoreCreateFunc)(IPStore**, DWORD, DWORD, DWORD);
541 HMODULE pstorec_dll = LoadLibrary(L"pstorec.dll");
542 if (!pstorec_dll)
543 return;
544 PStoreCreateFunc PStoreCreateInstance =
545 (PStoreCreateFunc)GetProcAddress(pstorec_dll, "PStoreCreateInstance");
546 if (!PStoreCreateInstance) {
547 FreeLibrary(pstorec_dll);
548 return;
549 }
550
551 base::win::ScopedComPtr<IPStore, &IID_IPStore> pstore;
552 HRESULT result = PStoreCreateInstance(pstore.Receive(), 0, 0, 0);
553 if (result != S_OK) {
554 FreeLibrary(pstorec_dll);
555 return;
556 }
557
558 std::vector<AutoCompleteInfo> ac_list;
559
560 // Enumerates AutoComplete items in the protected database.
561 base::win::ScopedComPtr<IEnumPStoreItems, &IID_IEnumPStoreItems> item;
562 result = pstore->EnumItems(0, &AutocompleteGUID,
563 &AutocompleteGUID, 0, item.Receive());
564 if (result != PST_E_OK) {
565 pstore.Release();
566 FreeLibrary(pstorec_dll);
567 return;
568 }
569
570 wchar_t* item_name;
571 while (!cancelled() && SUCCEEDED(item->Next(1, &item_name, 0))) {
572 DWORD length = 0;
573 unsigned char* buffer = NULL;
574 result = pstore->ReadItem(0, &AutocompleteGUID, &AutocompleteGUID,
575 item_name, &length, &buffer, NULL, 0);
576 if (SUCCEEDED(result)) {
577 AutoCompleteInfo ac;
578 ac.key = item_name;
579 string16 data;
580 data.insert(0, reinterpret_cast<wchar_t*>(buffer),
581 length / sizeof(wchar_t));
582
583 // The key name is always ended with ":StringData".
584 const wchar_t kDataSuffix[] = L":StringData";
585 size_t i = ac.key.rfind(kDataSuffix);
586 if (i != string16::npos && ac.key.substr(i) == kDataSuffix) {
587 ac.key.erase(i);
588 ac.is_url = (ac.key.find(L"://") != string16::npos);
589 ac_list.push_back(ac);
590 base::SplitString(data, L'\0', &ac_list[ac_list.size() - 1].data);
591 }
592 CoTaskMemFree(buffer);
593 }
594 CoTaskMemFree(item_name);
595 }
596 // Releases them before unload the dll.
597 item.Release();
598 pstore.Release();
599 FreeLibrary(pstorec_dll);
600
601 size_t i;
602 for (i = 0; i < ac_list.size(); i++) {
603 if (!ac_list[i].is_url || ac_list[i].data.size() < 2)
604 continue;
605
606 GURL url(ac_list[i].key.c_str());
607 if (!(LowerCaseEqualsASCII(url.scheme(), chrome::kHttpScheme) ||
608 LowerCaseEqualsASCII(url.scheme(), chrome::kHttpsScheme))) {
609 continue;
610 }
611
612 content::PasswordForm form;
613 GURL::Replacements rp;
614 rp.ClearUsername();
615 rp.ClearPassword();
616 rp.ClearQuery();
617 rp.ClearRef();
618 form.origin = url.ReplaceComponents(rp);
619 form.username_value = ac_list[i].data[0];
620 form.password_value = ac_list[i].data[1];
621 form.signon_realm = url.GetOrigin().spec();
622
623 // This is not precise, because a scheme of https does not imply a valid
624 // certificate was presented; however we assign it this way so that if we
625 // import a password from IE whose scheme is https, we give it the benefit
626 // of the doubt and DONT auto-fill it unless the form appears under
627 // valid SSL conditions.
628 form.ssl_valid = url.SchemeIsSecure();
629
630 // Goes through the list to find out the username field
631 // of the web page.
632 size_t list_it, item_it;
633 for (list_it = 0; list_it < ac_list.size(); ++list_it) {
634 if (ac_list[list_it].is_url)
635 continue;
636
637 for (item_it = 0; item_it < ac_list[list_it].data.size(); ++item_it)
638 if (ac_list[list_it].data[item_it] == form.username_value) {
639 form.username_element = ac_list[list_it].key;
640 break;
641 }
642 }
643
644 bridge_->SetPasswordForm(form);
645 }
646 }
647
648 void IEImporter::ImportPasswordsIE7() {
649 base::string16 key_path(importer::GetIE7PasswordsKey());
650 base::win::RegKey key(HKEY_CURRENT_USER, key_path.c_str(), KEY_READ);
651 base::win::RegistryValueIterator reg_iterator(HKEY_CURRENT_USER,
652 key_path.c_str());
653 importer::ImporterIE7PasswordInfo password_info;
654 while (reg_iterator.Valid() && !cancelled()) {
655 // Get the size of the encrypted data.
656 DWORD value_len = 0;
657 key.ReadValue(reg_iterator.Name(), NULL, &value_len, NULL);
658 if (value_len) {
659 // Query the encrypted data.
660 password_info.encrypted_data.resize(value_len);
661 if (key.ReadValue(reg_iterator.Name(),
662 &password_info.encrypted_data.front(),
663 &value_len, NULL) == ERROR_SUCCESS) {
664 password_info.url_hash = reg_iterator.Name();
665 password_info.date_created = base::Time::Now();
666
667 bridge_->AddIE7PasswordInfo(password_info);
668 }
669 }
670
671 ++reg_iterator;
672 }
673 }
674
675 void IEImporter::ImportSearchEngines() {
676 // On IE, search engines are stored in the registry, under:
677 // Software\Microsoft\Internet Explorer\SearchScopes
678 // Each key represents a search engine. The URL value contains the URL and
679 // the DisplayName the name.
680 typedef std::map<std::string, string16> SearchEnginesMap;
681 SearchEnginesMap search_engines_map;
682 for (base::win::RegistryKeyIterator key_iter(HKEY_CURRENT_USER,
683 kSearchScopePath); key_iter.Valid(); ++key_iter) {
684 string16 sub_key_name = kSearchScopePath;
685 sub_key_name.append(L"\\").append(key_iter.Name());
686 base::win::RegKey sub_key(HKEY_CURRENT_USER, sub_key_name.c_str(),
687 KEY_READ);
688 string16 wide_url;
689 if ((sub_key.ReadValue(L"URL", &wide_url) != ERROR_SUCCESS) ||
690 wide_url.empty()) {
691 VLOG(1) << "No URL for IE search engine at " << key_iter.Name();
692 continue;
693 }
694 // For the name, we try the default value first (as Live Search uses a
695 // non displayable name in DisplayName, and the readable name under the
696 // default value).
697 string16 name;
698 if ((sub_key.ReadValue(NULL, &name) != ERROR_SUCCESS) || name.empty()) {
699 // Try the displayable name.
700 if ((sub_key.ReadValue(L"DisplayName", &name) != ERROR_SUCCESS) ||
701 name.empty()) {
702 VLOG(1) << "No name for IE search engine at " << key_iter.Name();
703 continue;
704 }
705 }
706
707 std::string url(WideToUTF8(wide_url));
708 SearchEnginesMap::iterator t_iter = search_engines_map.find(url);
709 if (t_iter == search_engines_map.end()) {
710 // First time we see that URL.
711 GURL gurl(url);
712 if (gurl.is_valid()) {
713 t_iter = search_engines_map.insert(std::make_pair(url, name)).first;
714 }
715 }
716 }
717 // ProfileWriter::AddKeywords() requires a vector and we have a map.
718 std::vector<importer::URLKeywordInfo> url_keywords;
719 for (SearchEnginesMap::iterator i = search_engines_map.begin();
720 i != search_engines_map.end(); ++i) {
721 importer::URLKeywordInfo url_keyword_info;
722 url_keyword_info.url = GURL(i->first);
723 url_keyword_info.display_name = i->second;
724 url_keywords.push_back(url_keyword_info);
725 }
726 bridge_->SetKeywords(url_keywords, true);
727 }
728
729 void IEImporter::ImportHomepage() {
730 const wchar_t* kIEHomepage = L"Start Page";
731 const wchar_t* kIEDefaultHomepage = L"Default_Page_URL";
732
733 base::string16 key_path(importer::GetIESettingsKey());
734
735 base::win::RegKey key(HKEY_CURRENT_USER, key_path.c_str(), KEY_READ);
736 string16 homepage_url;
737 if (key.ReadValue(kIEHomepage, &homepage_url) != ERROR_SUCCESS ||
738 homepage_url.empty())
739 return;
740
741 GURL homepage = GURL(homepage_url);
742 if (!homepage.is_valid())
743 return;
744
745 // Check to see if this is the default website and skip import.
746 base::win::RegKey keyDefault(HKEY_LOCAL_MACHINE, key_path.c_str(), KEY_READ);
747 string16 default_homepage_url;
748 LONG result = keyDefault.ReadValue(kIEDefaultHomepage, &default_homepage_url);
749 if (result == ERROR_SUCCESS && !default_homepage_url.empty()) {
750 if (homepage.spec() == GURL(default_homepage_url).spec())
751 return;
752 }
753 bridge_->AddHomePage(homepage);
754 }
755
756 bool IEImporter::GetFavoritesInfo(IEImporter::FavoritesInfo* info) {
757 if (!source_path_.empty()) {
758 // Source path exists during testing.
759 info->path = source_path_;
760 info->path = info->path.AppendASCII("Favorites");
761 info->links_folder = L"Links";
762 return true;
763 }
764
765 // IE stores the favorites in the Favorites under user profile's folder.
766 wchar_t buffer[MAX_PATH];
767 if (FAILED(SHGetFolderPath(NULL, CSIDL_FAVORITES, NULL,
768 SHGFP_TYPE_CURRENT, buffer)))
769 return false;
770 info->path = base::FilePath(buffer);
771
772 // There is a Links folder under Favorites folder in Windows Vista, but it
773 // is not recording in Vista's registry. So in Vista, we assume the Links
774 // folder is under Favorites folder since it looks like there is not name
775 // different in every language version of Windows Vista.
776 if (base::win::GetVersion() < base::win::VERSION_VISTA) {
777 // The Link folder name is stored in the registry.
778 DWORD buffer_length = sizeof(buffer);
779 base::win::RegKey reg_key(HKEY_CURRENT_USER, kIEToolbarKey, KEY_READ);
780 if (reg_key.ReadValue(L"LinksFolderName", buffer,
781 &buffer_length, NULL) != ERROR_SUCCESS)
782 return false;
783 info->links_folder = buffer;
784 } else {
785 info->links_folder = L"Links";
786 }
787
788 return true;
789 }
790
791 void IEImporter::ParseFavoritesFolder(
792 const FavoritesInfo& info,
793 BookmarkVector* bookmarks,
794 std::vector<ImportedFaviconUsage>* favicons) {
795 base::FilePath file;
796 std::vector<base::FilePath::StringType> file_list;
797 base::FilePath favorites_path(info.path);
798 // Favorites path length. Make sure it doesn't include the trailing \.
799 size_t favorites_path_len =
800 favorites_path.StripTrailingSeparators().value().size();
801 base::FileEnumerator file_enumerator(
802 favorites_path, true, base::FileEnumerator::FILES);
803 while (!(file = file_enumerator.Next()).value().empty() && !cancelled())
804 file_list.push_back(file.value());
805
806 // Keep the bookmarks in alphabetical order.
807 std::sort(file_list.begin(), file_list.end());
808
809 // Map from favicon URLs to the favicon data (the binary image data and the
810 // set of bookmark URLs referring to the favicon).
811 typedef std::map<GURL, ImportedFaviconUsage> FaviconMap;
812 FaviconMap favicon_map;
813
814 for (std::vector<base::FilePath::StringType>::iterator it = file_list.begin();
815 it != file_list.end(); ++it) {
816 base::FilePath shortcut(*it);
817 if (!LowerCaseEqualsASCII(shortcut.Extension(), ".url"))
818 continue;
819
820 // Skip the bookmark with invalid URL.
821 base::win::ScopedComPtr<IUniformResourceLocator> url_locator;
822 if (!LoadInternetShortcut(*it, &url_locator))
823 continue;
824 GURL url = ReadURLFromInternetShortcut(url_locator);
825 if (!url.is_valid())
826 continue;
827 // Skip default bookmarks. go.microsoft.com redirects to
828 // search.microsoft.com, and http://go.microsoft.com/fwlink/?LinkId=XXX,
829 // which URLs IE has as default, to some another sites.
830 // We expect that users will never themselves create bookmarks having this
831 // hostname.
832 if (url.host() == "go.microsoft.com")
833 continue;
834 // Read favicon.
835 UpdateFaviconMap(*it, url, url_locator, &favicon_map);
836
837 // Make the relative path from the Favorites folder, without the basename.
838 // ex. Suppose that the Favorites folder is C:\Users\Foo\Favorites.
839 // C:\Users\Foo\Favorites\Foo.url -> ""
840 // C:\Users\Foo\Favorites\Links\Bar\Baz.url -> "Links\Bar"
841 base::FilePath::StringType relative_string =
842 shortcut.DirName().value().substr(favorites_path_len);
843 if (!relative_string.empty() &&
844 base::FilePath::IsSeparator(relative_string[0]))
845 relative_string = relative_string.substr(1);
846 base::FilePath relative_path(relative_string);
847
848 ImportedBookmarkEntry entry;
849 // Remove the dot, the file extension, and the directory path.
850 entry.title = shortcut.RemoveExtension().BaseName().value();
851 entry.url = url;
852 entry.creation_time = GetFileCreationTime(*it);
853 if (!relative_path.empty())
854 relative_path.GetComponents(&entry.path);
855
856 // Add the bookmark.
857 if (!entry.path.empty() && entry.path[0] == info.links_folder) {
858 // Bookmarks in the Link folder should be imported to the toolbar.
859 entry.in_toolbar = true;
860 }
861 bookmarks->push_back(entry);
862 }
863
864 // Reflect the menu order in IE.
865 SortBookmarksInIEOrder(this, bookmarks);
866
867 // Record favicon data.
868 for (FaviconMap::iterator iter = favicon_map.begin();
869 iter != favicon_map.end(); ++iter)
870 favicons->push_back(iter->second);
871 }
872
873 int IEImporter::CurrentIEVersion() const {
874 static int version = -1;
875 if (version < 0) {
876 wchar_t buffer[128];
877 DWORD buffer_length = sizeof(buffer);
878 base::win::RegKey reg_key(HKEY_LOCAL_MACHINE, kIEVersionKey, KEY_READ);
879 LONG result = reg_key.ReadValue(L"Version", buffer, &buffer_length, NULL);
880 version = ((result == ERROR_SUCCESS)? _wtoi(buffer) : 0);
881 }
882 return version;
883 }
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