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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/firefox_importer_utils.h" | |
6 | |
7 #include <algorithm> | |
8 #include <map> | |
9 #include <string> | |
10 | |
11 #include "base/file_util.h" | |
12 #include "base/ini_parser.h" | |
13 #include "base/logging.h" | |
14 #include "base/strings/string_number_conversions.h" | |
15 #include "base/strings/string_split.h" | |
16 #include "base/strings/stringprintf.h" | |
17 #include "base/strings/utf_string_conversions.h" | |
18 #include "base/values.h" | |
19 #include "grit/generated_resources.h" | |
20 #include "ui/base/l10n/l10n_util.h" | |
21 #include "url/gurl.h" | |
22 | |
23 base::FilePath GetFirefoxProfilePath() { | |
24 base::FilePath ini_file = GetProfilesINI(); | |
25 std::string content; | |
26 file_util::ReadFileToString(ini_file, &content); | |
27 base::DictionaryValueINIParser ini_parser; | |
28 ini_parser.Parse(content); | |
29 const DictionaryValue& root = ini_parser.root(); | |
30 | |
31 base::FilePath source_path; | |
32 for (int i = 0; ; ++i) { | |
33 std::string current_profile = base::StringPrintf("Profile%d", i); | |
34 if (!root.HasKey(current_profile)) { | |
35 // Profiles are continuously numbered. So we exit when we can't | |
36 // find the i-th one. | |
37 break; | |
38 } | |
39 std::string is_relative; | |
40 string16 path16; | |
41 if (root.GetStringASCII(current_profile + ".IsRelative", &is_relative) && | |
42 root.GetString(current_profile + ".Path", &path16)) { | |
43 #if defined(OS_WIN) | |
44 ReplaceSubstringsAfterOffset( | |
45 &path16, 0, ASCIIToUTF16("/"), ASCIIToUTF16("\\")); | |
46 #endif | |
47 base::FilePath path = | |
48 base::FilePath::FromWStringHack(UTF16ToWide(path16)); | |
49 | |
50 // IsRelative=1 means the folder path would be relative to the | |
51 // path of profiles.ini. IsRelative=0 refers to a custom profile | |
52 // location. | |
53 if (is_relative == "1") { | |
54 path = ini_file.DirName().Append(path); | |
55 } | |
56 | |
57 // We only import the default profile when multiple profiles exist, | |
58 // since the other profiles are used mostly by developers for testing. | |
59 // Otherwise, Profile0 will be imported. | |
60 std::string is_default; | |
61 if ((root.GetStringASCII(current_profile + ".Default", &is_default) && | |
62 is_default == "1") || i == 0) { | |
63 // We have found the default profile. | |
64 return path; | |
65 } | |
66 } | |
67 } | |
68 return base::FilePath(); | |
69 } | |
70 | |
71 | |
72 bool GetFirefoxVersionAndPathFromProfile(const base::FilePath& profile_path, | |
73 int* version, | |
74 base::FilePath* app_path) { | |
75 bool ret = false; | |
76 base::FilePath compatibility_file = | |
77 profile_path.AppendASCII("compatibility.ini"); | |
78 std::string content; | |
79 file_util::ReadFileToString(compatibility_file, &content); | |
80 ReplaceSubstringsAfterOffset(&content, 0, "\r\n", "\n"); | |
81 std::vector<std::string> lines; | |
82 base::SplitString(content, '\n', &lines); | |
83 | |
84 for (size_t i = 0; i < lines.size(); ++i) { | |
85 const std::string& line = lines[i]; | |
86 if (line.empty() || line[0] == '#' || line[0] == ';') | |
87 continue; | |
88 size_t equal = line.find('='); | |
89 if (equal != std::string::npos) { | |
90 std::string key = line.substr(0, equal); | |
91 if (key == "LastVersion") { | |
92 base::StringToInt(line.substr(equal + 1), version); | |
93 ret = true; | |
94 } else if (key == "LastAppDir") { | |
95 // TODO(evanm): If the path in question isn't convertible to | |
96 // UTF-8, what does Firefox do? If it puts raw bytes in the | |
97 // file, we could go straight from bytes -> filepath; | |
98 // otherwise, we're out of luck here. | |
99 *app_path = base::FilePath::FromWStringHack( | |
100 UTF8ToWide(line.substr(equal + 1))); | |
101 } | |
102 } | |
103 } | |
104 return ret; | |
105 } | |
106 | |
107 bool CanImportURL(const GURL& url) { | |
108 const char* kInvalidSchemes[] = {"wyciwyg", "place", "about", "chrome"}; | |
109 | |
110 // The URL is not valid. | |
111 if (!url.is_valid()) | |
112 return false; | |
113 | |
114 // Filter out the URLs with unsupported schemes. | |
115 for (size_t i = 0; i < arraysize(kInvalidSchemes); ++i) { | |
116 if (url.SchemeIs(kInvalidSchemes[i])) | |
117 return false; | |
118 } | |
119 | |
120 return true; | |
121 } | |
122 | |
123 bool ReadPrefFile(const base::FilePath& path, std::string* content) { | |
124 if (content == NULL) | |
125 return false; | |
126 | |
127 file_util::ReadFileToString(path, content); | |
128 | |
129 if (content->empty()) { | |
130 LOG(WARNING) << "Firefox preference file " << path.value() << " is empty."; | |
131 return false; | |
132 } | |
133 | |
134 return true; | |
135 } | |
136 | |
137 std::string ReadBrowserConfigProp(const base::FilePath& app_path, | |
138 const std::string& pref_key) { | |
139 std::string content; | |
140 if (!ReadPrefFile(app_path.AppendASCII("browserconfig.properties"), &content)) | |
141 return std::string(); | |
142 | |
143 // This file has the syntax: key=value. | |
144 size_t prop_index = content.find(pref_key + "="); | |
145 if (prop_index == std::string::npos) | |
146 return std::string(); | |
147 | |
148 size_t start = prop_index + pref_key.length(); | |
149 size_t stop = std::string::npos; | |
150 if (start != std::string::npos) | |
151 stop = content.find("\n", start + 1); | |
152 | |
153 if (start == std::string::npos || | |
154 stop == std::string::npos || (start == stop)) { | |
155 LOG(WARNING) << "Firefox property " << pref_key << " could not be parsed."; | |
156 return std::string(); | |
157 } | |
158 | |
159 return content.substr(start + 1, stop - start - 1); | |
160 } | |
161 | |
162 std::string ReadPrefsJsValue(const base::FilePath& profile_path, | |
163 const std::string& pref_key) { | |
164 std::string content; | |
165 if (!ReadPrefFile(profile_path.AppendASCII("prefs.js"), &content)) | |
166 return std::string(); | |
167 | |
168 return GetPrefsJsValue(content, pref_key); | |
169 } | |
170 | |
171 GURL GetHomepage(const base::FilePath& profile_path) { | |
172 std::string home_page_list = | |
173 ReadPrefsJsValue(profile_path, "browser.startup.homepage"); | |
174 | |
175 size_t seperator = home_page_list.find_first_of('|'); | |
176 if (seperator == std::string::npos) | |
177 return GURL(home_page_list); | |
178 | |
179 return GURL(home_page_list.substr(0, seperator)); | |
180 } | |
181 | |
182 bool IsDefaultHomepage(const GURL& homepage, const base::FilePath& app_path) { | |
183 if (!homepage.is_valid()) | |
184 return false; | |
185 | |
186 std::string default_homepages = | |
187 ReadBrowserConfigProp(app_path, "browser.startup.homepage"); | |
188 | |
189 size_t seperator = default_homepages.find_first_of('|'); | |
190 if (seperator == std::string::npos) | |
191 return homepage.spec() == GURL(default_homepages).spec(); | |
192 | |
193 // Crack the string into separate homepage urls. | |
194 std::vector<std::string> urls; | |
195 base::SplitString(default_homepages, '|', &urls); | |
196 | |
197 for (size_t i = 0; i < urls.size(); ++i) { | |
198 if (homepage.spec() == GURL(urls[i]).spec()) | |
199 return true; | |
200 } | |
201 | |
202 return false; | |
203 } | |
204 | |
205 bool ParsePrefFile(const base::FilePath& pref_file, DictionaryValue* prefs) { | |
206 // The string that is before a pref key. | |
207 const std::string kUserPrefString = "user_pref(\""; | |
208 std::string contents; | |
209 if (!file_util::ReadFileToString(pref_file, &contents)) | |
210 return false; | |
211 | |
212 std::vector<std::string> lines; | |
213 Tokenize(contents, "\n", &lines); | |
214 | |
215 for (std::vector<std::string>::const_iterator iter = lines.begin(); | |
216 iter != lines.end(); ++iter) { | |
217 const std::string& line = *iter; | |
218 size_t start_key = line.find(kUserPrefString); | |
219 if (start_key == std::string::npos) | |
220 continue; // Could be a comment or a blank line. | |
221 start_key += kUserPrefString.length(); | |
222 size_t stop_key = line.find('"', start_key); | |
223 if (stop_key == std::string::npos) { | |
224 LOG(ERROR) << "Invalid key found in Firefox pref file '" << | |
225 pref_file.value() << "' line is '" << line << "'."; | |
226 continue; | |
227 } | |
228 std::string key = line.substr(start_key, stop_key - start_key); | |
229 size_t start_value = line.find(',', stop_key + 1); | |
230 if (start_value == std::string::npos) { | |
231 LOG(ERROR) << "Invalid value found in Firefox pref file '" << | |
232 pref_file.value() << "' line is '" << line << "'."; | |
233 continue; | |
234 } | |
235 size_t stop_value = line.find(");", start_value + 1); | |
236 if (stop_value == std::string::npos) { | |
237 LOG(ERROR) << "Invalid value found in Firefox pref file '" << | |
238 pref_file.value() << "' line is '" << line << "'."; | |
239 continue; | |
240 } | |
241 std::string value = line.substr(start_value + 1, | |
242 stop_value - start_value - 1); | |
243 TrimWhitespace(value, TRIM_ALL, &value); | |
244 // Value could be a boolean. | |
245 bool is_value_true = LowerCaseEqualsASCII(value, "true"); | |
246 if (is_value_true || LowerCaseEqualsASCII(value, "false")) { | |
247 prefs->SetBoolean(key, is_value_true); | |
248 continue; | |
249 } | |
250 | |
251 // Value could be a string. | |
252 if (value.size() >= 2U && | |
253 value[0] == '"' && value[value.size() - 1] == '"') { | |
254 value = value.substr(1, value.size() - 2); | |
255 // ValueString only accept valid UTF-8. Simply ignore that entry if it is | |
256 // not UTF-8. | |
257 if (IsStringUTF8(value)) | |
258 prefs->SetString(key, value); | |
259 else | |
260 VLOG(1) << "Non UTF8 value for key " << key << ", ignored."; | |
261 continue; | |
262 } | |
263 | |
264 // Or value could be an integer. | |
265 int int_value = 0; | |
266 if (base::StringToInt(value, &int_value)) { | |
267 prefs->SetInteger(key, int_value); | |
268 continue; | |
269 } | |
270 | |
271 LOG(ERROR) << "Invalid value found in Firefox pref file '" | |
272 << pref_file.value() << "' value is '" << value << "'."; | |
273 } | |
274 return true; | |
275 } | |
276 | |
277 std::string GetPrefsJsValue(const std::string& content, | |
278 const std::string& pref_key) { | |
279 // This file has the syntax: user_pref("key", value); | |
280 std::string search_for = std::string("user_pref(\"") + pref_key + | |
281 std::string("\", "); | |
282 size_t prop_index = content.find(search_for); | |
283 if (prop_index == std::string::npos) | |
284 return std::string(); | |
285 | |
286 size_t start = prop_index + search_for.length(); | |
287 size_t stop = std::string::npos; | |
288 if (start != std::string::npos) { | |
289 // Stop at the last ')' on this line. | |
290 stop = content.find("\n", start + 1); | |
291 stop = content.rfind(")", stop); | |
292 } | |
293 | |
294 if (start == std::string::npos || stop == std::string::npos || | |
295 stop < start) { | |
296 LOG(WARNING) << "Firefox property " << pref_key << " could not be parsed."; | |
297 return std::string(); | |
298 } | |
299 | |
300 // String values have double quotes we don't need to return to the caller. | |
301 if (content[start] == '\"' && content[stop - 1] == '\"') { | |
302 ++start; | |
303 --stop; | |
304 } | |
305 | |
306 return content.substr(start, stop - start); | |
307 } | |
308 | |
309 // The branding name is obtained from the application.ini file from the Firefox | |
310 // application directory. A sample application.ini file is the following: | |
311 // [App] | |
312 // Vendor=Mozilla | |
313 // Name=Iceweasel | |
314 // Profile=mozilla/firefox | |
315 // Version=3.5.16 | |
316 // BuildID=20120421070307 | |
317 // Copyright=Copyright (c) 1998 - 2010 mozilla.org | |
318 // ID={ec8030f7-c20a-464f-9b0e-13a3a9e97384} | |
319 // ......................................... | |
320 // In this example the function returns "Iceweasel" (or a localized equivalent). | |
321 string16 GetFirefoxImporterName(const base::FilePath& app_path) { | |
322 const base::FilePath app_ini_file = app_path.AppendASCII("application.ini"); | |
323 std::string branding_name; | |
324 if (base::PathExists(app_ini_file)) { | |
325 std::string content; | |
326 file_util::ReadFileToString(app_ini_file, &content); | |
327 std::vector<std::string> lines; | |
328 base::SplitString(content, '\n', &lines); | |
329 const std::string name_attr("Name="); | |
330 bool in_app_section = false; | |
331 for (size_t i = 0; i < lines.size(); ++i) { | |
332 TrimWhitespace(lines[i], TRIM_ALL, &lines[i]); | |
333 if (lines[i] == "[App]") { | |
334 in_app_section = true; | |
335 } else if (in_app_section) { | |
336 if (lines[i].find(name_attr) == 0) { | |
337 branding_name = lines[i].substr(name_attr.size()); | |
338 break; | |
339 } else if (lines[i].length() > 0 && lines[i][0] == '[') { | |
340 // No longer in the [App] section. | |
341 break; | |
342 } | |
343 } | |
344 } | |
345 } | |
346 | |
347 StringToLowerASCII(&branding_name); | |
348 if (branding_name.find("iceweasel") != std::string::npos) | |
349 return l10n_util::GetStringUTF16(IDS_IMPORT_FROM_ICEWEASEL); | |
350 return l10n_util::GetStringUTF16(IDS_IMPORT_FROM_FIREFOX); | |
351 } | |
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