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1 // Copyright (c) 2011 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 "net/ftp/ftp_directory_listing_parser_windows.h"
6 
7 #include <vector>
8 
9 #include "base/strings/string_number_conversions.h"
10 #include "base/strings/string_split.h"
11 #include "base/strings/string_util.h"
12 #include "base/time/time.h"
13 #include "net/ftp/ftp_directory_listing_parser.h"
14 #include "net/ftp/ftp_util.h"
15 
16 namespace net {
17 
ParseFtpDirectoryListingWindows(const std::vector<base::string16> & lines,std::vector<FtpDirectoryListingEntry> * entries)18 bool ParseFtpDirectoryListingWindows(
19     const std::vector<base::string16>& lines,
20     std::vector<FtpDirectoryListingEntry>* entries) {
21   for (size_t i = 0; i < lines.size(); i++) {
22     if (lines[i].empty())
23       continue;
24 
25     std::vector<base::string16> columns;
26     base::SplitString(base::CollapseWhitespace(lines[i], false), ' ', &columns);
27 
28     // Every line of the listing consists of the following:
29     //
30     //   1. date
31     //   2. time
32     //   3. size in bytes (or "<DIR>" for directories)
33     //   4. filename (may be empty or contain spaces)
34     //
35     // For now, make sure we have 1-3, and handle 4 later.
36     if (columns.size() < 3)
37       return false;
38 
39     FtpDirectoryListingEntry entry;
40     if (EqualsASCII(columns[2], "<DIR>")) {
41       entry.type = FtpDirectoryListingEntry::DIRECTORY;
42       entry.size = -1;
43     } else {
44       entry.type = FtpDirectoryListingEntry::FILE;
45       if (!base::StringToInt64(columns[2], &entry.size))
46         return false;
47       if (entry.size < 0)
48         return false;
49     }
50 
51     if (!FtpUtil::WindowsDateListingToTime(columns[0],
52                                            columns[1],
53                                            &entry.last_modified)) {
54       return false;
55     }
56 
57     entry.name = FtpUtil::GetStringPartAfterColumns(lines[i], 3);
58     if (entry.name.empty()) {
59       // Some FTP servers send listing entries with empty names.
60       // It's not obvious how to display such an entry, so ignore them.
61       // We don't want to make the parsing fail at this point though.
62       // Other entries can still be useful.
63       continue;
64     }
65 
66     entries->push_back(entry);
67   }
68 
69   return true;
70 }
71 
72 }  // namespace net
73