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_netware.h"
6
7 #include <vector>
8
9 #include "base/strings/string_number_conversions.h"
10 #include "base/strings/string_util.h"
11 #include "base/strings/string_split.h"
12 #include "base/strings/utf_string_conversions.h"
13 #include "net/ftp/ftp_directory_listing_parser.h"
14 #include "net/ftp/ftp_util.h"
15
16 namespace {
17
LooksLikeNetwarePermissionsListing(const base::string16 & text)18 bool LooksLikeNetwarePermissionsListing(const base::string16& text) {
19 if (text.length() != 10)
20 return false;
21
22 if (text[0] != '[' || text[9] != ']')
23 return false;
24 return (text[1] == 'R' || text[1] == '-') &&
25 (text[2] == 'W' || text[2] == '-') &&
26 (text[3] == 'C' || text[3] == '-') &&
27 (text[4] == 'E' || text[4] == '-') &&
28 (text[5] == 'A' || text[5] == '-') &&
29 (text[6] == 'F' || text[6] == '-') &&
30 (text[7] == 'M' || text[7] == '-') &&
31 (text[8] == 'S' || text[8] == '-');
32 }
33
34 } // namespace
35
36 namespace net {
37
ParseFtpDirectoryListingNetware(const std::vector<base::string16> & lines,const base::Time & current_time,std::vector<FtpDirectoryListingEntry> * entries)38 bool ParseFtpDirectoryListingNetware(
39 const std::vector<base::string16>& lines,
40 const base::Time& current_time,
41 std::vector<FtpDirectoryListingEntry>* entries) {
42 if (!lines.empty() &&
43 !StartsWith(lines[0], base::ASCIIToUTF16("total "), true)) {
44 return false;
45 }
46
47 for (size_t i = 1U; i < lines.size(); i++) {
48 if (lines[i].empty())
49 continue;
50
51 std::vector<base::string16> columns;
52 base::SplitString(base::CollapseWhitespace(lines[i], false), ' ', &columns);
53
54 if (columns.size() < 8)
55 return false;
56
57 FtpDirectoryListingEntry entry;
58
59 if (columns[0].length() != 1)
60 return false;
61 if (columns[0][0] == 'd') {
62 entry.type = FtpDirectoryListingEntry::DIRECTORY;
63 } else if (columns[0][0] == '-') {
64 entry.type = FtpDirectoryListingEntry::FILE;
65 } else {
66 return false;
67 }
68
69 // Note: on older Netware systems the permissions listing is in the same
70 // column as the entry type (just there is no space between them). We do not
71 // support the older format here for simplicity.
72 if (!LooksLikeNetwarePermissionsListing(columns[1]))
73 return false;
74
75 if (!base::StringToInt64(columns[3], &entry.size))
76 return false;
77 if (entry.size < 0)
78 return false;
79 if (entry.type != FtpDirectoryListingEntry::FILE)
80 entry.size = -1;
81
82 // Netware uses the same date listing format as Unix "ls -l".
83 if (!FtpUtil::LsDateListingToTime(columns[4], columns[5], columns[6],
84 current_time, &entry.last_modified)) {
85 return false;
86 }
87
88 entry.name = FtpUtil::GetStringPartAfterColumns(lines[i], 7);
89
90 entries->push_back(entry);
91 }
92
93 return true;
94 }
95
96 } // namespace net
97