src/kits/package/ValidateChecksumJob.cpp

   1 /*
   2  * Copyright 2011, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Oliver Tappe <zooey@hirschkaefer.de>
   7  */
   8
   9
  10 #include <package/ValidateChecksumJob.h>
  11
  12 #include <File.h>
  13
  14 #include <package/Context.h>
  15
  16
  17 namespace BPackageKit {
  18
  19 namespace BPrivate {
  20
  21
  22 ValidateChecksumJob::ValidateChecksumJob(const BContext& context,
  23         const BString& title, ChecksumAccessor* expectedChecksumAccessor,
  24         ChecksumAccessor* realChecksumAccessor, bool failIfChecksumsDontMatch)
  25         :
  26         inherited(context, title),
  27         fExpectedChecksumAccessor(expectedChecksumAccessor),
  28         fRealChecksumAccessor(realChecksumAccessor),
  29         fFailIfChecksumsDontMatch(failIfChecksumsDontMatch),
  30         fChecksumsMatch(false)
  31 {
  32 }
  33
  34
  35 ValidateChecksumJob::~ValidateChecksumJob()
  36 {
  37         delete fRealChecksumAccessor;
  38         delete fExpectedChecksumAccessor;
  39 }
  40
  41
  42 status_t
  43 ValidateChecksumJob::Execute()
  44 {
  45         if (fExpectedChecksumAccessor == NULL || fRealChecksumAccessor == NULL)
  46                 return B_BAD_VALUE;
  47
  48         BString expectedChecksum;
  49         BString realChecksum;
  50
  51         status_t result = fExpectedChecksumAccessor->GetChecksum(expectedChecksum);
  52         if (result != B_OK)
  53                 return result;
  54
  55         result = fRealChecksumAccessor->GetChecksum(realChecksum);
  56         if (result != B_OK)
  57                 return result;
  58
  59         fChecksumsMatch = expectedChecksum.ICompare(realChecksum) == 0;
  60
  61         if (fFailIfChecksumsDontMatch && !fChecksumsMatch) {
  62                 BString error = BString("Checksum error:\n")
  63                         << "expected '" << expectedChecksum << "'\n"
  64                         << "got      '" << realChecksum << "'";
  65                 SetErrorString(error);
  66                 return B_BAD_DATA;
  67         }
  68
  69         return B_OK;
  70 }
  71
  72
  73 bool
  74 ValidateChecksumJob::ChecksumsMatch() const
  75 {
  76         return fChecksumsMatch;
  77 }
  78
  79
  80 }       // namespace BPrivate
  81
  82 }       // namespace BPackageKit