xbmc/filesystem/FTPDirectory.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "FTPDirectory.h"
  10
  11 #include "CurlFile.h"
  12 #include "FTPParse.h"
  13 #include "FileItem.h"
  14 #include "FileItemList.h"
  15 #include "URL.h"
  16 #include "filesystem/IFile.h"
  17 #include "utils/CharsetConverter.h"
  18 #include "utils/StringUtils.h"
  19 #include "utils/URIUtils.h"
  20
  21 #include <climits>
  22
  23 using namespace XFILE;
  24
  25 CFTPDirectory::CFTPDirectory(void) = default;
  26 CFTPDirectory::~CFTPDirectory(void) = default;
  27
  28 bool CFTPDirectory::GetDirectory(const CURL& url2, CFileItemList &items)
  29 {
  30   CCurlFile reader;
  31
  32   CURL url(url2);
  33
  34   std::string path = url.GetFileName();
  35   if( !path.empty() && !StringUtils::EndsWith(path, "/") )
  36   {
  37     path += "/";
  38     url.SetFileName(path);
  39   }
  40
  41   if (!reader.Open(url))
  42     return false;
  43
  44   bool serverNotUseUTF8 = url.GetProtocolOption("utf8") == "0";
  45
  46   char buffer[MAX_PATH + 1024];
  47   while (reader.ReadLine(buffer, sizeof(buffer)).code == IFile::ReadLineResult::OK)
  48   {
  49     std::string strBuffer = buffer;
  50
  51     StringUtils::RemoveCRLF(strBuffer);
  52
  53     CFTPParse parse;
  54     if (parse.FTPParse(strBuffer))
  55     {
  56       if( parse.getName().length() == 0 )
  57         continue;
  58
  59       if( parse.getFlagtrycwd() == 0 && parse.getFlagtryretr() == 0 )
  60         continue;
  61
  62       /* buffer name */
  63       std::string name;
  64       name.assign(parse.getName());
  65
  66       if( name == ".." || name == "." )
  67         continue;
  68
  69       // server returned filename could in utf8 or non-utf8 encoding
  70       // we need utf8, so convert it to utf8 anyway
  71       g_charsetConverter.unknownToUTF8(name);
  72
  73       // convert got empty result, ignore it
  74       if (name.empty())
  75         continue;
  76
  77       if (serverNotUseUTF8 || name != parse.getName())
  78         // non-utf8 name path, tag it with protocol option.
  79         // then we can talk to server with the same encoding in CurlFile according to this tag.
  80         url.SetProtocolOption("utf8", "0");
  81       else
  82         url.RemoveProtocolOption("utf8");
  83
  84       CFileItemPtr pItem(new CFileItem(name));
  85
  86       pItem->m_bIsFolder = parse.getFlagtrycwd() != 0;
  87       std::string filePath = path + name;
  88       if (pItem->m_bIsFolder)
  89         URIUtils::AddSlashAtEnd(filePath);
  90
  91       /* qualify the url with host and all */
  92       url.SetFileName(filePath);
  93       pItem->SetPath(url.Get());
  94
  95       pItem->m_dwSize = parse.getSize();
  96       pItem->m_dateTime=parse.getTime();
  97
  98       items.Add(pItem);
  99     }
 100   }
 101
 102   return true;
 103 }
 104
 105 bool CFTPDirectory::Exists(const CURL& url)
 106 {
 107   // make sure ftp dir ends with slash,
 108   // curl need to known it's a dir to check ftp directory existence.
 109   std::string file = url.Get();
 110   URIUtils::AddSlashAtEnd(file);
 111
 112   CCurlFile ftp;
 113   CURL url2(file);
 114   return ftp.Exists(url2);
 115 }