online_distribution/newbasic/PHmd5Value.cc

0001 #include <PHmd5Value.h>
0002
0003 #include <PHmd5Utils.h>
0004 #include <iomanip>
0005
0006 PHmd5Value::PHmd5Value()
0007 {
0008   int i;
0009   for (i = 0; i < PHMD5DIGESTLENGTH; i++)
0010     theDigest[i] = 0;
0011   isNotValid = 1;  // no value set yet.
0012
0013 }
0014
0015 PHmd5Value::PHmd5Value(const PHmd5Value &other)
0016 {
0017   if ( other.getMD5(theDigest) ) isNotValid =1;
0018   else isNotValid = 0;
0019 }
0020
0021 PHmd5Value::PHmd5Value(FILE *fp)
0022 {
0023   if ( PHmd5Stream(fp, theDigest, &filesize) ) isNotValid =1;
0024   else isNotValid = 0;
0025 }
0026
0027 PHmd5Value::PHmd5Value(const char *filename)
0028 {
0029   if ( PHmd5File(filename, theDigest, &filesize) ) isNotValid =1;
0030   else isNotValid = 0;
0031 }
0032
0033 PHmd5Value::~PHmd5Value()
0034 {}
0035
0036 int PHmd5Value::Status() const
0037 {
0038   return isNotValid;
0039 }
0040
0041 int PHmd5Value::FileSize() const
0042 {
0043   return filesize;
0044 }
0045
0046
0047 int PHmd5Value::operator== (const PHmd5Value &other) const
0048 {
0049   //if either object has a bad status, we declare a non-match
0050   if (  isNotValid || other.Status() ) return 0;
0051
0052   unsigned char otherDigest[PHMD5DIGESTLENGTH];
0053   other.getMD5 (otherDigest);
0054   int i;
0055   for (i = 0; i < PHMD5DIGESTLENGTH; i++)
0056     if (theDigest[i] != otherDigest[i]) return 0;
0057
0058   return 1;
0059 }
0060
0061 int PHmd5Value::getMD5(unsigned char * digest) const
0062 {
0063
0064   // if we weren't constructed right, don't hand out the
0065   //digest
0066   if ( isNotValid ) return 1;
0067
0068   int i;
0069   for (i = 0; i < PHMD5DIGESTLENGTH; i++)
0070     digest[i] = theDigest[i];
0071
0072   return 0;
0073
0074 }
0075
0076 int PHmd5Value::setMD5(const unsigned char * digest)
0077 {
0078
0079   int i;
0080   for (i = 0; i < PHMD5DIGESTLENGTH; i++)
0081     theDigest[i] = digest[i];
0082   isNotValid = 1;
0083   return 0;
0084
0085 }
0086
0087
0088 int PHmd5Value::setFileMD5(const char * filename)
0089 {
0090   if ( PHmd5File(filename, theDigest, &filesize) ) isNotValid =1;
0091   else isNotValid = 0;
0092   return isNotValid;
0093 }
0094
0095 OSTREAM & operator<< ( OSTREAM &os, const PHmd5Value &md )
0096 {
0097   int i;
0098
0099   //  char v[2];
0100
0101   if ( !md.Status() )
0102     {
0103       for (i = 0; i < PHMD5DIGESTLENGTH; i++)
0104     {
0105       //  sprintf(v, "%02x", md.theDigest[i]);
0106       os << std::setw(2) << std::hex << md.theDigest[i] << std::dec;
0107     }
0108     }
0109   else
0110     {
0111       for (i = 0; i < PHMD5DIGESTLENGTH; i++)
0112     os << "00";
0113     }
0114
0115   return os;
0116 }