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