src/apps/haikudepot/server/ServerIconExportUpdateProcess.cpp

   1 /*
   2  * Copyright 2017, Andrew Lindesay <apl@lindesay.co.nz>.
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5
   6 #include "ServerIconExportUpdateProcess.h"
   7
   8 #include <stdio.h>
   9 #include <sys/stat.h>
  10 #include <time.h>
  11
  12 #include <FileIO.h>
  13 #include <support/ZlibCompressionAlgorithm.h>
  14
  15 #include "ServerSettings.h"
  16 #include "StorageUtils.h"
  17 #include "TarArchiveService.h"
  18
  19
  20 /*! This constructor will locate the cached data in a standardized location */
  21
  22 ServerIconExportUpdateProcess::ServerIconExportUpdateProcess(
  23         const BPath& localStorageDirectoryPath)
  24 {
  25         fLocalStorageDirectoryPath = localStorageDirectoryPath;
  26 }
  27
  28
  29 ServerIconExportUpdateProcess::~ServerIconExportUpdateProcess()
  30 {
  31 }
  32
  33
  34 status_t
  35 ServerIconExportUpdateProcess::Run()
  36 {
  37         BPath tarGzFilePath(tmpnam(NULL));
  38         status_t result = B_OK;
  39
  40         printf("will start fetching icons\n");
  41
  42         result = Download(tarGzFilePath);
  43
  44         if (result != APP_ERR_NOT_MODIFIED) {
  45                 if (result != B_OK)
  46                         return result;
  47
  48                 printf("delete any existing stored data\n");
  49                 StorageUtils::RemoveDirectoryContents(fLocalStorageDirectoryPath);
  50
  51                 BFile *tarGzFile = new BFile(tarGzFilePath.Path(), O_RDONLY);
  52                 BDataIO* tarIn;
  53
  54                 BZlibDecompressionParameters* zlibDecompressionParameters
  55                         = new BZlibDecompressionParameters();
  56
  57                 result = BZlibCompressionAlgorithm()
  58                         .CreateDecompressingInputStream(tarGzFile,
  59                             zlibDecompressionParameters, tarIn);
  60
  61                 if (result == B_OK) {
  62                         result = TarArchiveService::Unpack(*tarIn,
  63                             fLocalStorageDirectoryPath);
  64
  65                         if (result == B_OK) {
  66                                 if (0 != remove(tarGzFilePath.Path())) {
  67                                         fprintf(stdout, "unable to delete the temporary tgz path; "
  68                                             "%s\n", tarGzFilePath.Path());
  69                                 }
  70                         }
  71                 }
  72
  73                 delete tarGzFile;
  74         }
  75
  76         printf("did complete fetching icons\n");
  77
  78         return result;
  79 }
  80
  81
  82 void
  83 ServerIconExportUpdateProcess::GetStandardMetaDataPath(BPath& path) const
  84 {
  85         path.SetTo(fLocalStorageDirectoryPath.Path());
  86         path.Append("hicn/info.json");
  87 }
  88
  89
  90 void
  91 ServerIconExportUpdateProcess::GetStandardMetaDataJsonPath(
  92         BString& jsonPath) const
  93 {
  94                 // the "$" here indicates that the data is at the top level.
  95         jsonPath.SetTo("$");
  96 }
  97
  98
  99 const char*
 100 ServerIconExportUpdateProcess::LoggingName() const
 101 {
 102         return "icon-export-update";
 103 }
 104
 105
 106 status_t
 107 ServerIconExportUpdateProcess::Download(BPath& tarGzFilePath)
 108 {
 109         return DownloadToLocalFile(tarGzFilePath,
 110                 ServerSettings::CreateFullUrl("/__pkgicon/all.tar.gz"), 0, 0);
 111 }