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1 // Copyright 2014 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 "components/password_manager/core/browser/import/password_importer.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/files/file_util.h" | |
9 #include "base/location.h" | |
10 #include "base/strings/string_util.h" | |
11 #include "base/strings/utf_string_conversions.h" | |
12 #include "base/task_runner.h" | |
13 #include "base/task_runner_util.h" | |
14 #include "base/values.h" | |
15 #include "components/autofill/core/common/password_form.h" | |
16 #include "components/password_manager/core/browser/import/csv_reader.h" | |
17 | |
18 namespace password_manager { | |
19 | |
20 namespace { | |
21 | |
22 using autofill::PasswordForm; | |
23 | |
24 // PasswordReaderBase --------------------------------------------------------- | |
25 | |
26 // Interface for writing a list of passwords into various formats. | |
27 class PasswordReaderBase { | |
28 public: | |
29 virtual ~PasswordReaderBase() = 0; | |
30 | |
31 // Deserializes a list of passwords from |input| into |passwords|. | |
32 virtual PasswordImporter::Result DeserializePasswords( | |
33 const std::string& input, | |
34 std::vector<PasswordForm>* passwords) = 0; | |
35 }; | |
36 | |
37 PasswordReaderBase::~PasswordReaderBase() { | |
38 } | |
39 | |
40 // PasswordCSVReader ---------------------------------------------------------- | |
41 | |
42 class PasswordCSVReader : public PasswordReaderBase { | |
43 public: | |
44 static const base::FilePath::StringType kFileExtension; | |
Garrett Casto
2015/06/26 21:13:48
Keep this as CharType[].
xunlu
2015/06/30 23:06:09
Done.
| |
45 | |
46 PasswordCSVReader() {} | |
47 | |
48 // PasswordWriterBase: | |
49 PasswordImporter::Result DeserializePasswords( | |
50 const std::string& input, | |
51 std::vector<PasswordForm>* passwords) override { | |
52 std::vector<std::string> header; | |
53 std::vector<ColumnNameToValueMap> records; | |
54 if (!ReadCSV(input, &header, &records)) | |
55 return PasswordImporter::SYNTAX_ERROR; | |
56 | |
57 if (!GetActualFieldName(header, GetURLFieldNames(), url_field_name_) || | |
58 !GetActualFieldName(header, GetUsernameFieldNames(), | |
59 username_field_name_) || | |
60 !GetActualFieldName(header, GetPasswordFieldNames(), | |
61 password_field_name_)) | |
62 return PasswordImporter::SEMANTIC_ERROR; | |
63 | |
64 passwords->clear(); | |
65 passwords->reserve(records.size()); | |
66 | |
67 for (std::vector<ColumnNameToValueMap>::const_iterator it = records.begin(); | |
68 it != records.end(); ++it) { | |
69 PasswordForm form; | |
70 if (RecordToPasswordForm(*it, &form)) | |
71 passwords->push_back(form); | |
72 } | |
73 return PasswordImporter::SUCCESS; | |
74 } | |
75 | |
76 private: | |
77 std::string url_field_name_; | |
78 std::string username_field_name_; | |
79 std::string password_field_name_; | |
80 | |
81 const std::vector<std::string> GetURLFieldNames() { | |
82 std::vector<std::string> url_names; | |
83 url_names.push_back("url"); | |
84 url_names.push_back("website"); | |
85 url_names.push_back("origin"); | |
86 url_names.push_back("hostname"); | |
87 return url_names; | |
88 } | |
89 | |
90 const std::vector<std::string> GetUsernameFieldNames() { | |
91 std::vector<std::string> username_names; | |
92 username_names.push_back("username"); | |
93 username_names.push_back("user"); | |
94 username_names.push_back("login"); | |
95 username_names.push_back("account"); | |
96 return username_names; | |
97 } | |
98 | |
99 const std::vector<std::string> GetPasswordFieldNames() { | |
100 std::vector<std::string> password_names; | |
101 password_names.push_back("password"); | |
102 return password_names; | |
103 } | |
104 | |
105 bool RecordToPasswordForm(const ColumnNameToValueMap& record, | |
106 PasswordForm* form) { | |
107 if (!record.count(url_field_name_) || !record.count(username_field_name_) || | |
108 !record.count(password_field_name_)) { | |
109 return false; | |
110 } | |
111 form->origin = GURL(record.at(url_field_name_)); | |
112 form->username_value = base::UTF8ToUTF16(record.at(username_field_name_)); | |
113 form->password_value = base::UTF8ToUTF16(record.at(password_field_name_)); | |
114 return true; | |
115 } | |
116 | |
117 bool GetActualFieldName(const std::vector<std::string>& header, | |
118 const std::vector<std::string>& options, | |
119 std::string& field_name) { | |
120 std::vector<std::string>::const_iterator it = header.begin(); | |
121 for (; it != header.end(); ++it) { | |
122 if (std::count(options.begin(), options.end(), | |
123 base::StringToLowerASCII(*it))) { | |
124 field_name = *it; | |
125 break; | |
126 } | |
127 } | |
128 return !(it == header.end()); | |
129 } | |
130 | |
131 DISALLOW_COPY_AND_ASSIGN(PasswordCSVReader); | |
132 }; | |
133 | |
134 const base::FilePath::StringType PasswordCSVReader::kFileExtension = | |
135 FILE_PATH_LITERAL("csv"); | |
136 | |
137 // Helpers -------------------------------------------------------------------- | |
138 | |
139 // Reads and returns the contents of the file at |path| as a string, or returns | |
140 // a scoped point containing a NULL if there was an error. | |
141 scoped_ptr<std::string> ReadFileToString(const base::FilePath& path) { | |
142 scoped_ptr<std::string> contents(new std::string); | |
143 if (!base::ReadFileToString(path, contents.get())) | |
144 return scoped_ptr<std::string>(); | |
145 return contents.Pass(); | |
146 } | |
147 | |
148 // Parses passwords from |input| using |password_reader| and synchronously calls | |
149 // |completion| with the results. | |
150 static void ParsePasswords( | |
151 scoped_ptr<PasswordReaderBase> password_reader, | |
152 const PasswordImporter::CompletionCallback& completion, | |
153 scoped_ptr<std::string> input) { | |
154 std::vector<PasswordForm> passwords; | |
155 PasswordImporter::Result result = PasswordImporter::IO_ERROR; | |
156 if (input) | |
157 result = password_reader->DeserializePasswords(*input, &passwords); | |
158 completion.Run(result, passwords); | |
159 } | |
160 | |
161 } // namespace | |
162 | |
163 // static | |
164 void PasswordImporter::Import( | |
165 const base::FilePath& path, | |
166 scoped_refptr<base::TaskRunner> blocking_task_runner, | |
167 const CompletionCallback& completion) { | |
168 scoped_ptr<PasswordReaderBase> password_reader; | |
169 if (path.Extension().substr(1) == PasswordCSVReader::kFileExtension) { | |
170 password_reader.reset(new PasswordCSVReader); | |
171 } else { | |
172 NOTREACHED() << "Unsupported extension: " << path.Extension(); | |
173 } | |
174 | |
175 base::PostTaskAndReplyWithResult( | |
176 blocking_task_runner.get(), FROM_HERE, | |
177 base::Bind(&ReadFileToString, path), | |
178 base::Bind(&ParsePasswords, base::Passed(&password_reader), completion)); | |
179 } | |
180 | |
181 // static | |
182 std::vector<std::vector<base::FilePath::StringType>> | |
183 PasswordImporter::GetSupportedFileExtensions() { | |
184 std::vector<std::vector<base::FilePath::StringType>> extensions; | |
185 extensions.resize(1); | |
Garrett Casto
2015/06/26 21:13:48
No resize.
xunlu
2015/06/30 23:06:09
See similar comments in password_exporter.cc
| |
186 extensions[0].push_back(PasswordCSVReader::kFileExtension); | |
187 return extensions; | |
188 } | |
189 | |
190 } // namespace password_manager | |
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