1 files changed, 145 insertions, 0 deletions
diff --git a/chromium/net/ftp/ftp_directory_listing_parser.cc b/chromium/net/ftp/ftp_directory_listing_parser.cc
new file mode 100644
index 00000000000..03b77bb8205
--- /dev/null
+++ b/chromium/net/ftp/ftp_directory_listing_parser.cc
@@ -0,0 +1,145 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/ftp/ftp_directory_listing_parser.h"
+
+#include "base/bind.h"
+#include "base/callback.h"
+#include "base/i18n/icu_encoding_detection.h"
+#include "base/i18n/icu_string_conversions.h"
+#include "base/stl_util.h"
+#include "base/strings/string_util.h"
+#include "base/strings/string_split.h"
+#include "base/strings/utf_string_conversions.h"
+#include "net/base/net_errors.h"
+#include "net/ftp/ftp_directory_listing_parser_ls.h"
+#include "net/ftp/ftp_directory_listing_parser_netware.h"
+#include "net/ftp/ftp_directory_listing_parser_os2.h"
+#include "net/ftp/ftp_directory_listing_parser_vms.h"
+#include "net/ftp/ftp_directory_listing_parser_windows.h"
+#include "net/ftp/ftp_server_type_histograms.h"
+
+namespace net {
+
+namespace {
+
+// Fills in |raw_name| for all |entries| using |encoding|. Returns network
+// error code.
+int FillInRawName(const std::string& encoding,
+                  std::vector<FtpDirectoryListingEntry>* entries) {
+  for (size_t i = 0; i < entries->size(); i++) {
+    if (!base::UTF16ToCodepage(entries->at(i).name, encoding.c_str(),
+                               base::OnStringConversionError::FAIL,
+                               &entries->at(i).raw_name)) {
+      return ERR_ENCODING_CONVERSION_FAILED;
+    }
+  }
+
+  return OK;
+}
+
+// Parses |text| as an FTP directory listing. Fills in |entries|
+// and |server_type| and returns network error code.
+int ParseListing(const base::string16& text,
+                 const base::string16& newline_separator,
+                 const std::string& encoding,
+                 const base::Time& current_time,
+                 std::vector<FtpDirectoryListingEntry>* entries,
+                 FtpServerType* server_type) {
+  std::vector<base::string16> lines;
+  base::SplitStringUsingSubstr(text, newline_separator, &lines);
+
+  struct {
+    base::Callback<bool(void)> callback;
+    FtpServerType server_type;
+  } parsers[] = {
+    {
+      base::Bind(&ParseFtpDirectoryListingLs, lines, current_time, entries),
+      SERVER_LS
+    },
+    {
+      base::Bind(&ParseFtpDirectoryListingWindows, lines, entries),
+      SERVER_WINDOWS
+    },
+    {
+      base::Bind(&ParseFtpDirectoryListingVms, lines, entries),
+      SERVER_VMS
+    },
+    {
+      base::Bind(&ParseFtpDirectoryListingNetware,
+                 lines, current_time, entries),
+      SERVER_NETWARE
+    },
+    {
+      base::Bind(&ParseFtpDirectoryListingOS2, lines, entries),
+      SERVER_OS2
+    }
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(parsers); i++) {
+    entries->clear();
+    if (parsers[i].callback.Run()) {
+      *server_type = parsers[i].server_type;
+      return FillInRawName(encoding, entries);
+    }
+  }
+
+  entries->clear();
+  return ERR_UNRECOGNIZED_FTP_DIRECTORY_LISTING_FORMAT;
+}
+
+// Detects encoding of |text| and parses it as an FTP directory listing.
+// Fills in |entries| and |server_type| and returns network error code.
+int DecodeAndParse(const std::string& text,
+                   const base::Time& current_time,
+                   std::vector<FtpDirectoryListingEntry>* entries,
+                   FtpServerType* server_type) {
+  const char* kNewlineSeparators[] = { "\n", "\r\n" };
+
+  std::vector<std::string> encodings;
+  if (!base::DetectAllEncodings(text, &encodings))
+    return ERR_ENCODING_DETECTION_FAILED;
+
+  // Use first encoding that can be used to decode the text.
+  for (size_t i = 0; i < encodings.size(); i++) {
+    base::string16 converted_text;
+    if (base::CodepageToUTF16(text,
+                              encodings[i].c_str(),
+                              base::OnStringConversionError::FAIL,
+                              &converted_text)) {
+      for (size_t j = 0; j < arraysize(kNewlineSeparators); j++) {
+        int rv = ParseListing(converted_text,
+                              ASCIIToUTF16(kNewlineSeparators[j]),
+                              encodings[i],
+                              current_time,
+                              entries,
+                              server_type);
+        if (rv == OK)
+          return rv;
+      }
+    }
+  }
+
+  entries->clear();
+  *server_type = SERVER_UNKNOWN;
+  return ERR_UNRECOGNIZED_FTP_DIRECTORY_LISTING_FORMAT;
+}
+
+}  // namespace
+
+FtpDirectoryListingEntry::FtpDirectoryListingEntry()
+    : type(UNKNOWN),
+      size(-1) {
+}
+
+int ParseFtpDirectoryListing(const std::string& text,
+                             const base::Time& current_time,
+                             std::vector<FtpDirectoryListingEntry>* entries) {
+  FtpServerType server_type = SERVER_UNKNOWN;
+  int rv = DecodeAndParse(text, current_time, entries, &server_type);
+  UpdateFtpServerTypeHistograms(server_type);
+  return rv;
+}
+
+}  // namespace net