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##########################################
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2
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# SIMPLE ARCHIVE::ZIP INDEPENDENT MODULE #
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##########################################
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4
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5
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package LibZip::MyArchZip ;
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7
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2
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2
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11
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no warnings ;
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2
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4
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2
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142
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8
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9
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2
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2
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11
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no strict ;
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2
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5
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2
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83
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10
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#use vars qw($CHUNKSIZE) ;
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11
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12
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#use Compress'Zlib();
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13
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2
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2
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828
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use LibZip::MyZlib ;
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2
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6
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2
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61
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14
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2
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2
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1241
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use LibZip::MyFile ;
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2
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6
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2
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336
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15
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#use File::Spec;
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16
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#use File::Path;
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17
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18
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#########
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# BEGIN #
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#########
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22
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sub BEGIN {
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23
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2
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2
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5324
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$CHUNKSIZE = 1024*32 ; ## Memory to use!
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24
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}
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25
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26
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#############
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27
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# CONSTANTS #
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28
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#############
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29
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30
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6
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6
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0
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31
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sub END_CENTDIR_LENGTH { 18 }
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31
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10
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10
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0
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83
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sub END_CENTDIR_SIGN { 0x06054b50 }
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32
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2
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2
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0
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9
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sub END_CENTDIR_SIGN_STR { pack( "V", END_CENTDIR_SIGN ) }
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33
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34
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2
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2
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0
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36
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sub END_CENTDIR_FORMAT { "v4 V2 v" } ;
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35
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36
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6
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6
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0
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17
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sub SIGNATURE_FORMAT {"V"}
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37
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15
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15
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0
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72
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sub SIGNATURE_LENGTH { 4 }
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38
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39
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sub CENTRAL_DIRECTORY_FILE_HEADER_SIGNATURE { 0x02014b50 }
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40
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41
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2
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2
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0
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109
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sub LOCAL_FILE_HEADER_SIGNATURE { 0x04034b50 }
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42
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1
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1
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0
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9
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sub LOCAL_FILE_HEADER_FORMAT { "v3 V4 v2" }
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43
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2
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2
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0
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20
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sub LOCAL_FILE_HEADER_LENGTH { 26 }
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44
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45
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8
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8
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0
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25
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sub CENTRAL_DIRECTORY_FILE_HEADER_LENGTH { 42 }
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46
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6
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6
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0
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171
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sub CENTRAL_DIRECTORY_FILE_HEADER_SIGNATURE { 0x02014b50 }
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47
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4
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4
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0
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41
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sub CENTRAL_DIRECTORY_FILE_HEADER_FORMAT { "C2 v3 V4 v5 V2" }
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48
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49
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22
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22
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0
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367
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sub COMPRESSION_STORED { 0 } # file is stored (no compression)
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50
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1
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1
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0
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8
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sub COMPRESSION_DEFLATED { 8 } # file is Deflated
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51
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52
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6
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6
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0
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106
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sub COMPRESSION_LEVEL_NONE { 0 }
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53
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0
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0
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0
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0
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sub COMPRESSION_LEVEL_DEFAULT { -1 }
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54
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0
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0
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0
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0
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sub COMPRESSION_LEVEL_FASTEST { 1 }
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55
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0
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0
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0
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0
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sub COMPRESSION_LEVEL_BEST_COMPRESSION { 9 }
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56
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57
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2
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2
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0
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8
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sub GPBF_ENCRYPTED_MASK { 1 << 0 }
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58
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59
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#######
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60
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# NEW #
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61
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#######
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62
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63
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sub new {
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64
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2
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2
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0
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6
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my $class = shift ;
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65
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2
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37
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my $self = bless( {
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66
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'diskNumber' => 0,
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67
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'diskNumberWithStartOfCentralDirectory' => 0,
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68
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'numberOfCentralDirectoriesOnThisDisk' => 0, # shld be # of members
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69
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'numberOfCentralDirectories' => 0, # shld be # of members
|
70
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'centralDirectorySize' => 0, # must re-compute on write
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71
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'centralDirectoryOffsetWRTStartingDiskNumber' => 0, # must re-compute
|
72
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|
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'writeEOCDOffset' => 0,
|
73
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|
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'writeCentralDirectoryOffset' => 0,
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74
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'eocdOffset' => 0,
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75
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|
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'fileName' => ''
|
76
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|
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},
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77
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$class
|
78
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);
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79
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80
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2
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22
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$self->{'members'} = [];
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81
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82
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2
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50
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8
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if (@_) { $self->read(@_) ;}
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0
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0
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83
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84
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2
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9
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return $self;
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85
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}
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86
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87
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########
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88
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# READ #
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89
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########
|
90
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91
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sub read {
|
92
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2
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2
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0
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5
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my $self = shift;
|
93
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2
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3
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my $fileName = shift;
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94
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95
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2
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50
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10
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return _error('No filename given') unless $fileName ;
|
96
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|
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|
97
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2
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|
40
|
my $ZIPFL ;
|
98
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2
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70
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open ($ZIPFL,$fileName) ; binmode($ZIPFL) ;
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2
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10
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|
99
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|
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|
|
|
|
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100
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2
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6
|
$self->{'fileName'} = $fileName ;
|
101
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2
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5
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$self->{'fh'} = $ZIPFL ;
|
102
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|
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103
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2
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50
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9
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if (! $self->_find_end_centdir($ZIPFL) ) { return( undef ) ;}
|
|
0
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0
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|
104
|
|
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105
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2
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|
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4
|
my $eocdPosition = tell($ZIPFL) ;
|
106
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|
|
|
|
|
|
|
107
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2
|
50
|
|
|
|
10
|
if (! $self->_read_end_centdir($ZIPFL) ) { return( undef ) ;}
|
|
0
|
|
|
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0
|
|
108
|
|
|
|
|
|
|
|
109
|
2
|
50
|
|
|
|
18
|
seek( $ZIPFL , $eocdPosition - $self->{'centralDirectorySize'} , 0 ) || return _error("Can't seek $fileName");
|
110
|
|
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|
|
|
|
|
111
|
2
|
|
|
|
|
6
|
$self->{'eocdOffset'} = $eocdPosition - $self->{'centralDirectorySize'} - $self->{'centralDirectoryOffsetWRTStartingDiskNumber'} ;
|
112
|
|
|
|
|
|
|
|
113
|
2
|
|
|
|
|
4
|
for (;;) {
|
114
|
6
|
|
|
|
|
28
|
my $newMember = LibZip::MyArchZip::Member->_newFromZipFile( $ZIPFL , $fileName ) ;
|
115
|
6
|
|
|
|
|
23
|
my ( $status, $signature ) = $self->_readSignature( $ZIPFL , $fileName ) ;
|
116
|
|
|
|
|
|
|
|
117
|
6
|
50
|
|
|
|
21
|
return $status if !$status ;
|
118
|
|
|
|
|
|
|
|
119
|
6
|
100
|
|
|
|
14
|
last if $signature == END_CENTDIR_SIGN ;
|
120
|
|
|
|
|
|
|
|
121
|
4
|
50
|
|
|
|
14
|
if (! $newMember->_readCentralDirectoryFileHeader() ) { return( undef ) ;}
|
|
0
|
|
|
|
|
0
|
|
122
|
|
|
|
|
|
|
|
123
|
4
|
|
|
|
|
19
|
$newMember->endRead();
|
124
|
|
|
|
|
|
|
|
125
|
4
|
|
|
|
|
8
|
$newMember->{'localHeaderRelativeOffset'} += $self->{'eocdOffset'} ;
|
126
|
|
|
|
|
|
|
|
127
|
4
|
|
|
|
|
5
|
push ( @{ $self->{'members'} }, $newMember );
|
|
4
|
|
|
|
|
18
|
|
128
|
|
|
|
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|
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}
|
129
|
|
|
|
|
|
|
|
130
|
2
|
|
|
|
|
9
|
return( 1 ) ;
|
131
|
|
|
|
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|
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}
|
132
|
|
|
|
|
|
|
|
133
|
|
|
|
|
|
|
#################
|
134
|
|
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|
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# EXTRACTMEMBER #
|
135
|
|
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|
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#################
|
136
|
|
|
|
|
|
|
|
137
|
|
|
|
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|
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sub extractMember {
|
138
|
1
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|
|
1
|
0
|
2
|
my $self = shift;
|
139
|
1
|
|
|
|
|
2
|
my $member = shift;
|
140
|
|
|
|
|
|
|
|
141
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1
|
50
|
|
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|
7
|
$member = $self->memberNamed($member) unless ref($member);
|
142
|
1
|
50
|
|
|
|
5
|
return _error('member not found') unless $member;
|
143
|
|
|
|
|
|
|
|
144
|
1
|
|
|
|
|
2
|
my $name = shift; # local FS name if given
|
145
|
1
|
50
|
|
|
|
5
|
if (! defined($name)) { return _error('No save name past to extract!') ;}
|
|
0
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|
|
|
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0
|
|
146
|
|
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|
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|
|
|
147
|
1
|
|
|
|
|
14
|
my ( $volumeName, $dirName, $fileName ) = LibZip::File::Spec->splitpath($name);
|
148
|
1
|
|
|
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|
6
|
$dirName = LibZip::File::Spec->catpath( $volumeName, $dirName, '' );
|
149
|
|
|
|
|
|
|
|
150
|
1
|
50
|
|
|
|
21
|
LibZip::File::Path::mkpath($dirName) if ( !-d $dirName );
|
151
|
1
|
50
|
|
|
|
15
|
return _error("can't create dir $dirName") if ( !-d $dirName );
|
152
|
1
|
|
|
|
|
5
|
return $member->extractToFileNamed( $name, @_ );
|
153
|
|
|
|
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|
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}
|
154
|
|
|
|
|
|
|
|
155
|
|
|
|
|
|
|
###############
|
156
|
|
|
|
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|
|
# EXTRACTTREE #
|
157
|
|
|
|
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|
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###############
|
158
|
|
|
|
|
|
|
|
159
|
|
|
|
|
|
|
sub extractTree {
|
160
|
0
|
|
|
0
|
0
|
0
|
my $self = shift ();
|
161
|
0
|
|
0
|
|
|
0
|
my $root = shift () || ''; # Zip format
|
162
|
0
|
|
0
|
|
|
0
|
my $dest = shift || '.'; # Zip format
|
163
|
0
|
|
|
|
|
0
|
my $volume = shift; # optional
|
164
|
0
|
|
|
|
|
0
|
my $pattern = qr{^\Q$root};
|
165
|
0
|
|
|
|
|
0
|
my @members = $self->membersMatching($pattern);
|
166
|
0
|
|
|
|
|
0
|
my $slash = qr{/};
|
167
|
|
|
|
|
|
|
|
168
|
0
|
|
|
|
|
0
|
foreach my $member (@members) {
|
169
|
0
|
|
|
|
|
0
|
my $fileName = $member->{'fileName'} ; # in Unix format
|
170
|
0
|
|
|
|
|
0
|
$fileName =~ s{$pattern}{$dest}; # in Unix format
|
171
|
|
|
|
|
|
|
# convert to platform format:
|
172
|
|
|
|
|
|
|
|
173
|
0
|
|
|
|
|
0
|
my $status = $member->extractToFileNamed($fileName);
|
174
|
0
|
0
|
|
|
|
0
|
return $status if $status != 0;
|
175
|
|
|
|
|
|
|
}
|
176
|
0
|
|
|
|
|
0
|
return 0;
|
177
|
|
|
|
|
|
|
}
|
178
|
|
|
|
|
|
|
|
179
|
|
|
|
|
|
|
###################
|
180
|
|
|
|
|
|
|
# MEMBERSMATCHING #
|
181
|
|
|
|
|
|
|
###################
|
182
|
|
|
|
|
|
|
|
183
|
|
|
|
|
|
|
sub membersMatching {
|
184
|
0
|
|
|
0
|
0
|
0
|
my ( $self, $pattern ) = @_ ;
|
185
|
0
|
|
|
|
|
0
|
return grep { $_->{'fileName'} =~ /$pattern/ } $self->members();
|
|
0
|
|
|
|
|
0
|
|
186
|
|
|
|
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|
|
}
|
187
|
|
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|
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|
188
|
|
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|
|
|
|
|
189
|
|
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|
|
|
|
|
190
|
|
|
|
|
|
|
###########
|
191
|
|
|
|
|
|
|
# MEMBERS #
|
192
|
|
|
|
|
|
|
###########
|
193
|
|
|
|
|
|
|
|
194
|
4
|
|
|
4
|
0
|
6
|
sub members { @{ shift->{'members'} } ;}
|
|
4
|
|
|
|
|
32
|
|
195
|
|
|
|
|
|
|
|
196
|
|
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|
|
|
|
###############
|
197
|
|
|
|
|
|
|
# MEMBERNAMES #
|
198
|
|
|
|
|
|
|
###############
|
199
|
|
|
|
|
|
|
|
200
|
|
|
|
|
|
|
sub memberNames {
|
201
|
2
|
|
|
2
|
0
|
6
|
my $self = shift;
|
202
|
2
|
|
|
|
|
14
|
return map { $_->{'fileName'} } $self->members() ;
|
|
4
|
|
|
|
|
19
|
|
203
|
|
|
|
|
|
|
}
|
204
|
|
|
|
|
|
|
|
205
|
|
|
|
|
|
|
###############
|
206
|
|
|
|
|
|
|
# MEMBERNAMED #
|
207
|
|
|
|
|
|
|
###############
|
208
|
|
|
|
|
|
|
|
209
|
|
|
|
|
|
|
sub memberNamed {
|
210
|
2
|
|
|
2
|
0
|
4
|
my ( $self, $fileName ) = @_;
|
211
|
2
|
50
|
|
|
|
6
|
foreach my $member ( $self->members() ) { return $member if $member->{'fileName'} eq $fileName ;}
|
|
2
|
|
|
|
|
48
|
|
212
|
0
|
|
|
|
|
0
|
return undef;
|
213
|
|
|
|
|
|
|
}
|
214
|
|
|
|
|
|
|
|
215
|
|
|
|
|
|
|
##################
|
216
|
|
|
|
|
|
|
# _READSIGNATURE #
|
217
|
|
|
|
|
|
|
##################
|
218
|
|
|
|
|
|
|
|
219
|
|
|
|
|
|
|
sub _readSignature {
|
220
|
6
|
|
|
6
|
|
7
|
my $self = shift;
|
221
|
6
|
|
|
|
|
9
|
my $fh = shift;
|
222
|
6
|
|
|
|
|
8
|
my $fileName = shift;
|
223
|
6
|
|
|
|
|
8
|
my $signatureData;
|
224
|
|
|
|
|
|
|
|
225
|
6
|
|
|
|
|
55
|
my $bytesRead = read( $fh , $signatureData , SIGNATURE_LENGTH );
|
226
|
|
|
|
|
|
|
|
227
|
6
|
50
|
|
|
|
22
|
if ( $bytesRead != SIGNATURE_LENGTH ) { return _error("reading header signature") ;}
|
|
0
|
|
|
|
|
0
|
|
228
|
|
|
|
|
|
|
|
229
|
6
|
|
|
|
|
16
|
my $signature = unpack( SIGNATURE_FORMAT, $signatureData );
|
230
|
|
|
|
|
|
|
|
231
|
6
|
|
|
|
|
12
|
my $status = 1;
|
232
|
|
|
|
|
|
|
|
233
|
6
|
50
|
66
|
|
|
15
|
if ( $signature != CENTRAL_DIRECTORY_FILE_HEADER_SIGNATURE &&
|
|
|
|
66
|
|
|
|
|
234
|
|
|
|
|
|
|
$signature != LOCAL_FILE_HEADER_SIGNATURE &&
|
235
|
|
|
|
|
|
|
$signature != END_CENTDIR_SIGN ) {
|
236
|
|
|
|
|
|
|
|
237
|
0
|
|
|
|
|
0
|
my $errmsg = sprintf( "bad signature: 0x%08x", $signature );
|
238
|
0
|
0
|
|
|
|
0
|
if (-f $self->{'fh'} ) { $errmsg .= sprintf( " at offset %d", tell($fh) - SIGNATURE_LENGTH ) ;}
|
|
0
|
|
|
|
|
0
|
|
239
|
|
|
|
|
|
|
|
240
|
0
|
|
|
|
|
0
|
$status = _error("$errmsg in file $fileName");
|
241
|
|
|
|
|
|
|
}
|
242
|
|
|
|
|
|
|
|
243
|
6
|
|
|
|
|
17
|
return ( $status, $signature );
|
244
|
|
|
|
|
|
|
}
|
245
|
|
|
|
|
|
|
|
246
|
|
|
|
|
|
|
#####################
|
247
|
|
|
|
|
|
|
# _READ_END_CENTDIR #
|
248
|
|
|
|
|
|
|
#####################
|
249
|
|
|
|
|
|
|
|
250
|
|
|
|
|
|
|
sub _read_end_centdir {
|
251
|
2
|
|
|
2
|
|
4
|
my $self = shift;
|
252
|
2
|
|
|
|
|
4
|
my $fh = shift;
|
253
|
|
|
|
|
|
|
|
254
|
2
|
50
|
|
|
|
8
|
seek( $fh , SIGNATURE_LENGTH, 1 ) || return _error("Can't seek past EOCD signature") ;
|
255
|
|
|
|
|
|
|
|
256
|
2
|
|
|
|
|
4
|
my $header ;
|
257
|
2
|
|
|
|
|
6
|
my $bytesRead = read( $fh , $header, END_CENTDIR_LENGTH );
|
258
|
2
|
50
|
|
|
|
14
|
if ( $bytesRead != END_CENTDIR_LENGTH ) { return _error("reading end of central directory $bytesRead") ;}
|
|
0
|
|
|
|
|
0
|
|
259
|
|
|
|
|
|
|
|
260
|
2
|
|
|
|
|
4
|
my $zipfileCommentLength;
|
261
|
|
|
|
|
|
|
|
262
|
2
|
|
|
|
|
10
|
( $self->{'diskNumber'},
|
263
|
|
|
|
|
|
|
$self->{'diskNumberWithStartOfCentralDirectory'},
|
264
|
|
|
|
|
|
|
$self->{'numberOfCentralDirectoriesOnThisDisk'},
|
265
|
|
|
|
|
|
|
$self->{'numberOfCentralDirectories'},
|
266
|
|
|
|
|
|
|
$self->{'centralDirectorySize'},
|
267
|
|
|
|
|
|
|
$self->{'centralDirectoryOffsetWRTStartingDiskNumber'},
|
268
|
|
|
|
|
|
|
$zipfileCommentLength ) = unpack( END_CENTDIR_FORMAT , $header );
|
269
|
|
|
|
|
|
|
|
270
|
2
|
|
|
|
|
14
|
return( 1 ) ;
|
271
|
|
|
|
|
|
|
}
|
272
|
|
|
|
|
|
|
|
273
|
|
|
|
|
|
|
#####################
|
274
|
|
|
|
|
|
|
# _FIND_END_CENTDIR #
|
275
|
|
|
|
|
|
|
#####################
|
276
|
|
|
|
|
|
|
|
277
|
|
|
|
|
|
|
sub _find_end_centdir {
|
278
|
2
|
|
|
2
|
|
5
|
my $self = shift;
|
279
|
2
|
|
|
|
|
4
|
my $fh = shift;
|
280
|
|
|
|
|
|
|
|
281
|
2
|
|
|
|
|
18
|
seek($fh, 0, 2) ;
|
282
|
|
|
|
|
|
|
|
283
|
2
|
|
|
|
|
5
|
my $fileLength = tell($fh) ;
|
284
|
|
|
|
|
|
|
|
285
|
2
|
50
|
|
|
|
9
|
if ($fileLength < END_CENTDIR_LENGTH+4) { _error("file is too short!") ;}
|
|
0
|
|
|
|
|
0
|
|
286
|
|
|
|
|
|
|
|
287
|
2
|
|
|
|
|
45
|
my $seekOffset = 0;
|
288
|
2
|
|
|
|
|
5
|
my $pos = -1;
|
289
|
2
|
|
|
|
|
3
|
my $data ;
|
290
|
|
|
|
|
|
|
|
291
|
2
|
|
|
|
|
3
|
for (;;) {
|
292
|
2
|
|
|
|
|
4
|
$seekOffset += 512;
|
293
|
2
|
50
|
|
|
|
9
|
$seekOffset = $fileLength if ( $seekOffset > $fileLength ) ;
|
294
|
|
|
|
|
|
|
|
295
|
2
|
50
|
|
|
|
18
|
seek($fh, -$seekOffset , 2) || return _error("seek failed") ;
|
296
|
|
|
|
|
|
|
|
297
|
2
|
|
|
|
|
34
|
my $bytesRead = read($fh, $data , $seekOffset) ;
|
298
|
|
|
|
|
|
|
|
299
|
2
|
50
|
|
|
|
9
|
if ( $bytesRead != $seekOffset ) { return _error("read failed") ;}
|
|
0
|
|
|
|
|
0
|
|
300
|
|
|
|
|
|
|
|
301
|
2
|
|
|
|
|
10
|
$pos = rindex( $data, END_CENTDIR_SIGN_STR ) ;
|
302
|
|
|
|
|
|
|
|
303
|
2
|
0
|
33
|
|
|
13
|
if ( $pos >= 0 || $seekOffset == $fileLength || $seekOffset >= $CHUNKSIZE ) { last ;}
|
|
2
|
|
33
|
|
|
5
|
|
304
|
|
|
|
|
|
|
}
|
305
|
|
|
|
|
|
|
|
306
|
2
|
50
|
|
|
|
8
|
if ( $pos >= 0 ) {
|
307
|
2
|
50
|
|
|
|
20
|
seek($fh, $pos-$seekOffset , 1) || return _error("seeking to EOCD") ;
|
308
|
2
|
|
|
|
|
10
|
return( 1 ) ;
|
309
|
|
|
|
|
|
|
}
|
310
|
0
|
|
|
|
|
0
|
else { return _error("can't find EOCD signature") ;}
|
311
|
|
|
|
|
|
|
}
|
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
##########
|
314
|
|
|
|
|
|
|
# _ERROR #
|
315
|
|
|
|
|
|
|
##########
|
316
|
|
|
|
|
|
|
|
317
|
0
|
|
|
0
|
|
0
|
sub _error { warn "ERROR: $_[0]\n" ; return( undef ) ;}
|
|
0
|
|
|
|
|
0
|
|
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
################################################################################
|
320
|
|
|
|
|
|
|
# LIBZIP::MYARCHZIP::MEMBER
|
321
|
|
|
|
|
|
|
################################################################################
|
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
package LibZip::MyArchZip::Member ;
|
324
|
|
|
|
|
|
|
|
325
|
|
|
|
|
|
|
#use Compress'Zlib ();
|
326
|
2
|
|
|
2
|
|
26
|
use LibZip::MyZlib ;
|
|
2
|
|
|
|
|
4
|
|
|
2
|
|
|
|
|
49
|
|
327
|
2
|
|
|
2
|
|
42
|
use LibZip::MyFile ;
|
|
2
|
|
|
|
|
3
|
|
|
2
|
|
|
|
|
525
|
|
328
|
|
|
|
|
|
|
#use File::Path;
|
329
|
|
|
|
|
|
|
#use File::Basename;
|
330
|
|
|
|
|
|
|
|
331
|
0
|
|
|
0
|
|
0
|
sub _error { LibZip::MyArchZip::_error(@_) ;}
|
332
|
|
|
|
|
|
|
|
333
|
0
|
|
|
0
|
|
0
|
sub Z_OK {0}
|
334
|
0
|
|
|
0
|
|
0
|
sub Z_STREAM_END {1}
|
335
|
0
|
|
|
0
|
|
0
|
sub MAX_WBITS {15}
|
336
|
|
|
|
|
|
|
|
337
|
|
|
|
|
|
|
#########
|
338
|
|
|
|
|
|
|
# BEGIN #
|
339
|
|
|
|
|
|
|
#########
|
340
|
|
|
|
|
|
|
|
341
|
|
|
|
|
|
|
sub BEGIN {
|
342
|
|
|
|
|
|
|
|
343
|
2
|
|
|
2
|
|
8
|
my @CONST = qw(
|
344
|
|
|
|
|
|
|
CENTRAL_DIRECTORY_FILE_HEADER_FORMAT
|
345
|
|
|
|
|
|
|
CENTRAL_DIRECTORY_FILE_HEADER_LENGTH
|
346
|
|
|
|
|
|
|
CENTRAL_DIRECTORY_FILE_HEADER_SIGNATURE
|
347
|
|
|
|
|
|
|
CENTRAL_DIRECTORY_FILE_HEADER_SIGNATURE
|
348
|
|
|
|
|
|
|
COMPRESSION_DEFLATED
|
349
|
|
|
|
|
|
|
COMPRESSION_LEVEL_BEST_COMPRESSION
|
350
|
|
|
|
|
|
|
COMPRESSION_LEVEL_DEFAULT
|
351
|
|
|
|
|
|
|
COMPRESSION_LEVEL_FASTEST
|
352
|
|
|
|
|
|
|
COMPRESSION_LEVEL_NONE
|
353
|
|
|
|
|
|
|
COMPRESSION_STORED
|
354
|
|
|
|
|
|
|
END_CENTDIR_FORMAT
|
355
|
|
|
|
|
|
|
END_CENTDIR_LENGTH
|
356
|
|
|
|
|
|
|
END_CENTDIR_SIGN
|
357
|
|
|
|
|
|
|
END_CENTDIR_SIGN_STR
|
358
|
|
|
|
|
|
|
GPBF_ENCRYPTED_MASK
|
359
|
|
|
|
|
|
|
LOCAL_FILE_HEADER_FORMAT
|
360
|
|
|
|
|
|
|
LOCAL_FILE_HEADER_LENGTH
|
361
|
|
|
|
|
|
|
LOCAL_FILE_HEADER_SIGNATURE
|
362
|
|
|
|
|
|
|
SIGNATURE_FORMAT
|
363
|
|
|
|
|
|
|
SIGNATURE_LENGTH
|
364
|
|
|
|
|
|
|
) ;
|
365
|
|
|
|
|
|
|
|
366
|
2
|
|
|
|
|
6
|
foreach my $CONST_i ( @CONST ) {
|
367
|
40
|
|
|
4
|
|
10076
|
eval(qq` sub $CONST_i { &LibZip::MyArchZip::$CONST_i } `);
|
|
4
|
|
|
8
|
|
83
|
|
|
8
|
|
|
0
|
|
25
|
|
|
0
|
|
|
1
|
|
0
|
|
|
1
|
|
|
0
|
|
4
|
|
|
0
|
|
|
0
|
|
0
|
|
|
0
|
|
|
0
|
|
0
|
|
|
0
|
|
|
6
|
|
0
|
|
|
6
|
|
|
22
|
|
24
|
|
|
22
|
|
|
0
|
|
62
|
|
|
0
|
|
|
0
|
|
0
|
|
|
0
|
|
|
0
|
|
0
|
|
|
0
|
|
|
0
|
|
0
|
|
|
0
|
|
|
2
|
|
0
|
|
|
2
|
|
|
1
|
|
8
|
|
|
1
|
|
|
2
|
|
5
|
|
|
2
|
|
|
0
|
|
6
|
|
|
0
|
|
|
0
|
|
0
|
|
|
0
|
|
|
1
|
|
0
|
|
|
1
|
|
|
|
|
5
|
|
368
|
|
|
|
|
|
|
}
|
369
|
|
|
|
|
|
|
|
370
|
|
|
|
|
|
|
}
|
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
###################
|
373
|
|
|
|
|
|
|
# _NEWFROMZIPFILE #
|
374
|
|
|
|
|
|
|
###################
|
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
sub _newFromZipFile {
|
377
|
6
|
|
|
6
|
|
9
|
my $class = shift;
|
378
|
6
|
|
|
|
|
9
|
my $fh = shift;
|
379
|
6
|
|
|
|
|
10
|
my $externalFileName = shift;
|
380
|
|
|
|
|
|
|
|
381
|
6
|
|
|
|
|
217
|
my $self = {
|
382
|
|
|
|
|
|
|
'lastModFileDateTime' => 0,
|
383
|
|
|
|
|
|
|
'fileAttributeFormat' => FA_UNIX,
|
384
|
|
|
|
|
|
|
'versionMadeBy' => 20,
|
385
|
|
|
|
|
|
|
'versionNeededToExtract' => 20,
|
386
|
|
|
|
|
|
|
'bitFlag' => 0,
|
387
|
|
|
|
|
|
|
'compressionMethod' => COMPRESSION_STORED,
|
388
|
|
|
|
|
|
|
'desiredCompressionMethod' => COMPRESSION_STORED,
|
389
|
|
|
|
|
|
|
'desiredCompressionLevel' => COMPRESSION_LEVEL_NONE,
|
390
|
|
|
|
|
|
|
'internalFileAttributes' => 0,
|
391
|
|
|
|
|
|
|
'externalFileAttributes' => 0, # set later
|
392
|
|
|
|
|
|
|
'fileName' => '',
|
393
|
|
|
|
|
|
|
'cdExtraField' => '',
|
394
|
|
|
|
|
|
|
'localExtraField' => '',
|
395
|
|
|
|
|
|
|
'fileComment' => '',
|
396
|
|
|
|
|
|
|
'crc32' => 0,
|
397
|
|
|
|
|
|
|
'compressedSize' => 0,
|
398
|
|
|
|
|
|
|
'uncompressedSize' => 0,
|
399
|
|
|
|
|
|
|
'diskNumberStart' => 0,
|
400
|
|
|
|
|
|
|
'localHeaderRelativeOffset' => 0,
|
401
|
|
|
|
|
|
|
'dataOffset' => 0, # localHeaderRelativeOffset + header length
|
402
|
|
|
|
|
|
|
@_
|
403
|
|
|
|
|
|
|
};
|
404
|
6
|
|
|
|
|
23
|
bless( $self, $class );
|
405
|
6
|
|
|
|
|
21
|
$self->{'externalFileName'} = $externalFileName;
|
406
|
6
|
|
|
|
|
13
|
$self->{'fh'} = $fh;
|
407
|
6
|
|
|
|
|
14
|
return $self ;
|
408
|
|
|
|
|
|
|
}
|
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
###################################
|
411
|
|
|
|
|
|
|
# _READCENTRALDIRECTORYFILEHEADER #
|
412
|
|
|
|
|
|
|
###################################
|
413
|
|
|
|
|
|
|
|
414
|
|
|
|
|
|
|
sub _readCentralDirectoryFileHeader {
|
415
|
4
|
|
|
4
|
|
8
|
my $self = shift;
|
416
|
4
|
|
|
|
|
6
|
my $fh = $self->{'fh'} ;
|
417
|
|
|
|
|
|
|
|
418
|
4
|
|
|
|
|
6
|
my $header ;
|
419
|
4
|
|
|
|
|
116
|
my $bytesRead = read($fh , $header, CENTRAL_DIRECTORY_FILE_HEADER_LENGTH );
|
420
|
|
|
|
|
|
|
|
421
|
4
|
50
|
|
|
|
103
|
if ( $bytesRead != CENTRAL_DIRECTORY_FILE_HEADER_LENGTH ) { return _error("reading central dir header") ;}
|
|
0
|
|
|
|
|
0
|
|
422
|
|
|
|
|
|
|
|
423
|
4
|
|
|
|
|
6
|
my ( $fileNameLength, $extraFieldLength, $fileCommentLength ) ;
|
424
|
|
|
|
|
|
|
|
425
|
4
|
|
|
|
|
106
|
( $self->{'versionMadeBy'}, $self->{'fileAttributeFormat'},
|
426
|
|
|
|
|
|
|
$self->{'versionNeededToExtract'}, $self->{'bitFlag'},
|
427
|
|
|
|
|
|
|
$self->{'compressionMethod'}, $self->{'lastModFileDateTime'},
|
428
|
|
|
|
|
|
|
$self->{'crc32'}, $self->{'compressedSize'},
|
429
|
|
|
|
|
|
|
$self->{'uncompressedSize'}, $fileNameLength,
|
430
|
|
|
|
|
|
|
$extraFieldLength, $fileCommentLength,
|
431
|
|
|
|
|
|
|
$self->{'diskNumberStart'}, $self->{'internalFileAttributes'},
|
432
|
|
|
|
|
|
|
$self->{'externalFileAttributes'}, $self->{'localHeaderRelativeOffset'} ) = unpack( CENTRAL_DIRECTORY_FILE_HEADER_FORMAT, $header );
|
433
|
|
|
|
|
|
|
|
434
|
4
|
50
|
|
|
|
18
|
if ($fileNameLength) {
|
435
|
4
|
|
|
|
|
13
|
$bytesRead = read( $fh , $self->{'fileName'}, $fileNameLength );
|
436
|
4
|
50
|
|
|
|
18
|
if ( $bytesRead != $fileNameLength ) { _error("reading central dir filename") ;}
|
|
0
|
|
|
|
|
0
|
|
437
|
|
|
|
|
|
|
}
|
438
|
|
|
|
|
|
|
|
439
|
4
|
50
|
|
|
|
10
|
if ($extraFieldLength) {
|
440
|
0
|
|
|
|
|
0
|
$bytesRead = read($fh , $self->{'cdExtraField'}, $extraFieldLength );
|
441
|
0
|
0
|
|
|
|
0
|
if ( $bytesRead != $extraFieldLength ) { return _error("reading central dir extra field") ;}
|
|
0
|
|
|
|
|
0
|
|
442
|
|
|
|
|
|
|
}
|
443
|
|
|
|
|
|
|
|
444
|
4
|
50
|
|
|
|
12
|
if ($fileCommentLength) {
|
445
|
0
|
|
|
|
|
0
|
$bytesRead = read($fh , $self->{'fileComment'}, $fileCommentLength );
|
446
|
0
|
0
|
|
|
|
0
|
if ( $bytesRead != $fileCommentLength ) { return _error("reading central dir file comment") ;}
|
|
0
|
|
|
|
|
0
|
|
447
|
|
|
|
|
|
|
}
|
448
|
|
|
|
|
|
|
|
449
|
4
|
|
|
|
|
15
|
$self->desiredCompressionMethod( $self->{'compressionMethod'} );
|
450
|
|
|
|
|
|
|
|
451
|
4
|
|
|
|
|
14
|
return 1 ;
|
452
|
|
|
|
|
|
|
}
|
453
|
|
|
|
|
|
|
|
454
|
|
|
|
|
|
|
############################
|
455
|
|
|
|
|
|
|
# DESIREDCOMPRESSIONMETHOD #
|
456
|
|
|
|
|
|
|
############################
|
457
|
|
|
|
|
|
|
|
458
|
|
|
|
|
|
|
sub desiredCompressionMethod {
|
459
|
7
|
|
|
7
|
|
12
|
my $self = shift;
|
460
|
7
|
|
|
|
|
9
|
my $newDesiredCompressionMethod = shift;
|
461
|
7
|
|
|
|
|
19
|
my $oldDesiredCompressionMethod = $self->{'desiredCompressionMethod'};
|
462
|
|
|
|
|
|
|
|
463
|
7
|
100
|
|
|
|
19
|
if ( defined($newDesiredCompressionMethod) ) {
|
464
|
6
|
|
|
|
|
8
|
$self->{'desiredCompressionMethod'} = $newDesiredCompressionMethod;
|
465
|
|
|
|
|
|
|
|
466
|
6
|
50
|
|
|
|
162
|
if ( $newDesiredCompressionMethod == COMPRESSION_STORED ) {
|
|
|
0
|
|
|
|
|
|
467
|
6
|
|
|
|
|
13
|
$self->{'desiredCompressionLevel'} = 0;
|
468
|
|
|
|
|
|
|
}
|
469
|
|
|
|
|
|
|
elsif ( $oldDesiredCompressionMethod == COMPRESSION_STORED ) {
|
470
|
0
|
|
|
|
|
0
|
$self->{'desiredCompressionLevel'} = COMPRESSION_LEVEL_DEFAULT;
|
471
|
|
|
|
|
|
|
}
|
472
|
|
|
|
|
|
|
}
|
473
|
|
|
|
|
|
|
|
474
|
7
|
|
|
|
|
13
|
return $oldDesiredCompressionMethod;
|
475
|
|
|
|
|
|
|
}
|
476
|
|
|
|
|
|
|
|
477
|
|
|
|
|
|
|
###########
|
478
|
|
|
|
|
|
|
# ENDREAD #
|
479
|
|
|
|
|
|
|
###########
|
480
|
|
|
|
|
|
|
|
481
|
|
|
|
|
|
|
sub endRead {
|
482
|
6
|
|
|
6
|
|
723
|
my $self = shift;
|
483
|
6
|
|
|
|
|
15
|
$self->{'fh'} = undef;
|
484
|
6
|
|
|
|
|
24
|
delete $self->{'inflater'};
|
485
|
6
|
|
|
|
|
8
|
delete $self->{'deflater'};
|
486
|
6
|
|
|
|
|
10
|
$self->{'dataEnded'} = 1;
|
487
|
6
|
|
|
|
|
9
|
$self->{'readDataRemaining'} = 0;
|
488
|
6
|
|
|
|
|
11
|
return 0 ;
|
489
|
|
|
|
|
|
|
}
|
490
|
|
|
|
|
|
|
|
491
|
|
|
|
|
|
|
###############################
|
492
|
|
|
|
|
|
|
# _BECOMEDIRECTORYIFNECESSARY #
|
493
|
|
|
|
|
|
|
###############################
|
494
|
|
|
|
|
|
|
|
495
|
0
|
|
|
0
|
|
0
|
sub _becomeDirectoryIfNecessary { 1 }
|
496
|
|
|
|
|
|
|
|
497
|
|
|
|
|
|
|
###############
|
498
|
|
|
|
|
|
|
# ISDIRECTORY #
|
499
|
|
|
|
|
|
|
###############
|
500
|
|
|
|
|
|
|
|
501
|
|
|
|
|
|
|
sub isDirectory {
|
502
|
0
|
|
|
0
|
|
0
|
my $self = shift;
|
503
|
0
|
|
0
|
|
|
0
|
return ( substr( $self->{'fileName'} , -1) eq '/' and $self->{'uncompressedSize'} == 0 );
|
504
|
|
|
|
|
|
|
}
|
505
|
|
|
|
|
|
|
|
506
|
|
|
|
|
|
|
######################
|
507
|
|
|
|
|
|
|
# EXTRACTTOFILENAMED #
|
508
|
|
|
|
|
|
|
######################
|
509
|
|
|
|
|
|
|
|
510
|
|
|
|
|
|
|
sub extractToFileNamed {
|
511
|
1
|
|
|
1
|
|
2
|
my $self = shift;
|
512
|
1
|
|
|
|
|
2
|
my $name = shift; # local FS name
|
513
|
1
|
50
|
|
|
|
5
|
return _error("encryption unsupported") if $self->isEncrypted();
|
514
|
|
|
|
|
|
|
|
515
|
1
|
|
|
|
|
4
|
LibZip::File::Path::mkpath( LibZip::File::Basename::dirname($name) ); # croaks on error
|
516
|
|
|
|
|
|
|
|
517
|
1
|
|
|
|
|
2
|
my $fh ;
|
518
|
1
|
|
|
|
|
81
|
open ($fh,">$name") ; binmode($fh) ;
|
|
1
|
|
|
|
|
3
|
|
519
|
1
|
|
|
|
|
10
|
my $retval = $self->extractToFileHandle($fh) ;
|
520
|
1
|
|
|
|
|
46
|
close($fh) ;
|
521
|
|
|
|
|
|
|
|
522
|
1
|
|
|
|
|
37
|
utime( $self->{'lastModTime'}, $self->{'lastModTime'}, $name );
|
523
|
|
|
|
|
|
|
|
524
|
1
|
|
|
|
|
6
|
return $retval;
|
525
|
|
|
|
|
|
|
}
|
526
|
|
|
|
|
|
|
|
527
|
|
|
|
|
|
|
#######################
|
528
|
|
|
|
|
|
|
# EXTRACTTOFILEHANDLE #
|
529
|
|
|
|
|
|
|
#######################
|
530
|
|
|
|
|
|
|
|
531
|
|
|
|
|
|
|
sub extractToFileHandle {
|
532
|
1
|
|
|
1
|
|
2
|
my $self = shift;
|
533
|
1
|
50
|
|
|
|
3
|
return _error("encryption unsupported") if $self->isEncrypted();
|
534
|
1
|
|
|
|
|
2
|
my $fh = shift;
|
535
|
1
|
|
|
|
|
2
|
binmode($fh) ;
|
536
|
|
|
|
|
|
|
|
537
|
1
|
|
|
|
|
28
|
my $oldCompression = $self->desiredCompressionMethod(COMPRESSION_STORED);
|
538
|
|
|
|
|
|
|
|
539
|
1
|
|
|
|
|
3
|
$self->{'fh'} = undef ;
|
540
|
|
|
|
|
|
|
|
541
|
1
|
|
|
|
|
4
|
my $status = $self->rewindData2(@_);
|
542
|
|
|
|
|
|
|
|
543
|
1
|
50
|
|
|
|
13
|
$status = $self->_writeData($fh) if $status == 0 ;
|
544
|
|
|
|
|
|
|
|
545
|
1
|
|
|
|
|
4
|
$self->desiredCompressionMethod($oldCompression);
|
546
|
1
|
|
|
|
|
4
|
$self->endRead();
|
547
|
|
|
|
|
|
|
|
548
|
1
|
|
|
|
|
2
|
return $status;
|
549
|
|
|
|
|
|
|
}
|
550
|
|
|
|
|
|
|
|
551
|
|
|
|
|
|
|
##############
|
552
|
|
|
|
|
|
|
# REWINDDATA #
|
553
|
|
|
|
|
|
|
##############
|
554
|
|
|
|
|
|
|
|
555
|
|
|
|
|
|
|
sub rewindData {
|
556
|
1
|
|
|
1
|
|
2
|
my $self = shift;
|
557
|
1
|
|
|
|
|
2
|
my $status;
|
558
|
|
|
|
|
|
|
|
559
|
1
|
|
|
|
|
10
|
$self->{'chunkHandler'} = $self->can('_noChunk');
|
560
|
|
|
|
|
|
|
|
561
|
|
|
|
|
|
|
# Work around WinZip bug with 0-length DEFLATED files
|
562
|
1
|
50
|
|
|
|
4
|
$self->desiredCompressionMethod(COMPRESSION_STORED) if $self->{'uncompressedSize'} == 0 ;
|
563
|
|
|
|
|
|
|
|
564
|
|
|
|
|
|
|
# assume that we're going to read the whole file, and compute the CRC anew.
|
565
|
|
|
|
|
|
|
|
566
|
1
|
50
|
|
|
|
27
|
$self->{'crc32'} = 0 if ( $self->{'compressionMethod'} == COMPRESSION_STORED );
|
567
|
|
|
|
|
|
|
|
568
|
1
|
50
|
33
|
|
|
27
|
if ( $self->{'compressionMethod'} == COMPRESSION_DEFLATED && $self->desiredCompressionMethod() == COMPRESSION_STORED ) {
|
|
|
50
|
|
|
|
|
|
569
|
0
|
|
|
|
|
0
|
( $self->{'inflater'}, $status ) = LibZip::MyZlib::inflateInit(
|
570
|
|
|
|
|
|
|
'-WindowBits' => -MAX_WBITS(),
|
571
|
|
|
|
|
|
|
@_
|
572
|
|
|
|
|
|
|
);
|
573
|
|
|
|
|
|
|
|
574
|
0
|
0
|
|
|
|
0
|
return _error( 'inflateInit error!' ) unless $status == 0 ;
|
575
|
0
|
|
|
|
|
0
|
$self->{'chunkHandler'} = $self->can('_inflateChunk');
|
576
|
|
|
|
|
|
|
}
|
577
|
|
|
|
|
|
|
|
578
|
1
|
|
|
|
|
5
|
elsif ( $self->{'compressionMethod'} == $self->desiredCompressionMethod() ) { $self->{'chunkHandler'} = $self->can('_copyChunk') ;}
|
579
|
|
|
|
|
|
|
|
580
|
|
|
|
|
|
|
else {
|
581
|
0
|
|
|
|
|
0
|
return _error(
|
582
|
|
|
|
|
|
|
sprintf( "Unsupported compression combination: read %d, write %d", $self->{'compressionMethod'}, $self->desiredCompressionMethod() )
|
583
|
|
|
|
|
|
|
);
|
584
|
|
|
|
|
|
|
}
|
585
|
|
|
|
|
|
|
|
586
|
1
|
50
|
|
|
|
32
|
$self->{'readDataRemaining'} = ( $self->{'compressionMethod'} == COMPRESSION_STORED ) ? $self->{'uncompressedSize'} : $self->{'compressedSize'} ;
|
587
|
1
|
|
|
|
|
2
|
$self->{'dataEnded'} = 0;
|
588
|
1
|
|
|
|
|
2
|
$self->{'readOffset'} = 0;
|
589
|
|
|
|
|
|
|
|
590
|
1
|
|
|
|
|
3
|
return 0 ;
|
591
|
|
|
|
|
|
|
}
|
592
|
|
|
|
|
|
|
|
593
|
|
|
|
|
|
|
###############
|
594
|
|
|
|
|
|
|
# REWINDDATA2 #
|
595
|
|
|
|
|
|
|
###############
|
596
|
|
|
|
|
|
|
|
597
|
|
|
|
|
|
|
sub rewindData2 {
|
598
|
1
|
|
|
1
|
|
2
|
my $self = shift;
|
599
|
|
|
|
|
|
|
|
600
|
1
|
|
|
|
|
5
|
my $status = $self->rewindData(@_);
|
601
|
1
|
50
|
|
|
|
3
|
return $status unless $status == 0;
|
602
|
|
|
|
|
|
|
|
603
|
1
|
50
|
|
|
|
12
|
return 4 unless $self->fh() ;
|
604
|
|
|
|
|
|
|
|
605
|
|
|
|
|
|
|
# Seek to local file header.
|
606
|
|
|
|
|
|
|
# The only reason that I'm doing this this way is that the extraField
|
607
|
|
|
|
|
|
|
# length seems to be different between the CD header and the LF header.
|
608
|
1
|
50
|
|
|
|
32
|
seek( $self->{'fh'} , $self->{'localHeaderRelativeOffset'} + SIGNATURE_LENGTH , 0 ) or return _error("seeking to local header");
|
609
|
|
|
|
|
|
|
|
610
|
|
|
|
|
|
|
|
611
|
|
|
|
|
|
|
# skip local file header
|
612
|
1
|
|
|
|
|
17
|
$status = $self->_skipLocalFileHeader();
|
613
|
1
|
50
|
|
|
|
4
|
return $status unless $status == 0 ;
|
614
|
|
|
|
|
|
|
|
615
|
|
|
|
|
|
|
# Seek to beginning of file data
|
616
|
1
|
50
|
|
|
|
8
|
seek($self->{'fh'} , $self->{'dataOffset'} , 0 ) || return _error("seeking to beginning of file data") ;
|
617
|
|
|
|
|
|
|
|
618
|
1
|
|
|
|
|
2
|
return 0 ;
|
619
|
|
|
|
|
|
|
}
|
620
|
|
|
|
|
|
|
|
621
|
|
|
|
|
|
|
########################
|
622
|
|
|
|
|
|
|
# _SKIPLOCALFILEHEADER #
|
623
|
|
|
|
|
|
|
########################
|
624
|
|
|
|
|
|
|
|
625
|
|
|
|
|
|
|
sub _skipLocalFileHeader {
|
626
|
1
|
|
|
1
|
|
3
|
my $self = shift;
|
627
|
1
|
|
|
|
|
2
|
my $header;
|
628
|
1
|
|
|
|
|
28
|
my $bytesRead = read($self->{'fh'} , $header, LOCAL_FILE_HEADER_LENGTH );
|
629
|
1
|
50
|
|
|
|
46
|
if ( $bytesRead != LOCAL_FILE_HEADER_LENGTH ) { return _error("reading local file header") ;}
|
|
0
|
|
|
|
|
0
|
|
630
|
|
|
|
|
|
|
|
631
|
1
|
|
|
|
|
3
|
my $fileNameLength;
|
632
|
|
|
|
|
|
|
my $extraFieldLength;
|
633
|
|
|
|
|
|
|
|
634
|
|
|
|
|
|
|
( undef, # $self->{'versionNeededToExtract'},
|
635
|
|
|
|
|
|
|
undef, # $self->{'bitFlag'},
|
636
|
|
|
|
|
|
|
undef, # $self->{'compressionMethod'},
|
637
|
|
|
|
|
|
|
undef, # $self->{'lastModFileDateTime'},
|
638
|
|
|
|
|
|
|
undef, # $crc32,
|
639
|
|
|
|
|
|
|
undef, # $compressedSize,
|
640
|
|
|
|
|
|
|
undef, # $uncompressedSize,
|
641
|
1
|
|
|
|
|
27
|
$fileNameLength,
|
642
|
|
|
|
|
|
|
$extraFieldLength )
|
643
|
|
|
|
|
|
|
= unpack( LOCAL_FILE_HEADER_FORMAT, $header );
|
644
|
|
|
|
|
|
|
|
645
|
1
|
50
|
|
|
|
4
|
if ($fileNameLength) {
|
646
|
1
|
50
|
|
|
|
12
|
seek($self->{'fh'} , $fileNameLength, 1 ) || return _error("skipping local file name") ;
|
647
|
|
|
|
|
|
|
}
|
648
|
|
|
|
|
|
|
|
649
|
1
|
50
|
|
|
|
3
|
if ($extraFieldLength) {
|
650
|
0
|
|
|
|
|
0
|
$bytesRead = read( $self->{'fh'} , $self->{'localExtraField'}, $extraFieldLength );
|
651
|
0
|
0
|
|
|
|
0
|
if ( $bytesRead != $extraFieldLength ) { return _error("reading local extra field") ;}
|
|
0
|
|
|
|
|
0
|
|
652
|
|
|
|
|
|
|
}
|
653
|
|
|
|
|
|
|
|
654
|
1
|
|
|
|
|
4
|
$self->{'dataOffset'} = tell($self->{'fh'}) ;
|
655
|
|
|
|
|
|
|
|
656
|
1
|
|
|
|
|
2
|
return 0 ;
|
657
|
|
|
|
|
|
|
}
|
658
|
|
|
|
|
|
|
|
659
|
|
|
|
|
|
|
##############
|
660
|
|
|
|
|
|
|
# _WRITEDATA #
|
661
|
|
|
|
|
|
|
##############
|
662
|
|
|
|
|
|
|
|
663
|
|
|
|
|
|
|
sub _writeData {
|
664
|
1
|
|
|
1
|
|
2
|
my $self = shift;
|
665
|
1
|
|
|
|
|
3
|
my $writeFh = shift;
|
666
|
|
|
|
|
|
|
|
667
|
1
|
50
|
|
|
|
3
|
return 0 if ( $self->{'uncompressedSize'} == 0 ) ;
|
668
|
|
|
|
|
|
|
|
669
|
1
|
|
|
|
|
2
|
my $status;
|
670
|
1
|
|
|
|
|
6
|
my $chunkSize = $LibZip::MyArchZip::CHUNKSIZE ;
|
671
|
|
|
|
|
|
|
|
672
|
1
|
|
|
|
|
3
|
while ( $self->{'readDataRemaining'} > 0 ) {
|
673
|
1
|
|
|
|
|
1
|
my $outRef;
|
674
|
1
|
|
|
|
|
6
|
( $outRef, $status ) = $self->readChunk($chunkSize);
|
675
|
1
|
50
|
33
|
|
|
5
|
return $status if ( $status != 0 and $status != 1 );
|
676
|
|
|
|
|
|
|
|
677
|
1
|
50
|
|
|
|
3
|
if ( length($$outRef) > 0 ) {
|
678
|
1
|
|
50
|
|
|
15
|
print $writeFh $$outRef || return _error("write error during copy");
|
679
|
|
|
|
|
|
|
}
|
680
|
|
|
|
|
|
|
|
681
|
1
|
50
|
|
|
|
6
|
last if $status == 1 ;
|
682
|
|
|
|
|
|
|
}
|
683
|
|
|
|
|
|
|
|
684
|
1
|
|
|
|
|
3
|
$self->{'compressedSize'} = $self->{'writeOffset'} ;
|
685
|
1
|
|
|
|
|
2
|
return 0 ;
|
686
|
|
|
|
|
|
|
}
|
687
|
|
|
|
|
|
|
|
688
|
|
|
|
|
|
|
#############
|
689
|
|
|
|
|
|
|
# READCHUNK #
|
690
|
|
|
|
|
|
|
#############
|
691
|
|
|
|
|
|
|
|
692
|
|
|
|
|
|
|
sub readChunk {
|
693
|
1
|
|
|
1
|
|
2
|
my ( $self, $chunkSize ) = @_;
|
694
|
|
|
|
|
|
|
|
695
|
1
|
50
|
|
|
|
4
|
if ( $self->readIsDone() ) {
|
696
|
0
|
|
|
|
|
0
|
$self->endRead();
|
697
|
0
|
|
|
|
|
0
|
my $dummy = '';
|
698
|
0
|
|
|
|
|
0
|
return ( \$dummy, 1 );
|
699
|
|
|
|
|
|
|
}
|
700
|
|
|
|
|
|
|
|
701
|
1
|
50
|
|
|
|
5
|
$chunkSize = $LibZip::MyArchZip::CHUNKSIZE if not defined($chunkSize);
|
702
|
1
|
50
|
|
|
|
4
|
$chunkSize = $self->{'readDataRemaining'} if $chunkSize > $self->{'readDataRemaining'} ;
|
703
|
|
|
|
|
|
|
|
704
|
1
|
|
|
|
|
3
|
my $buffer ;
|
705
|
|
|
|
|
|
|
my $outputRef;
|
706
|
1
|
|
|
|
|
11
|
my ( $bytesRead, $status ) = $self->_readRawChunk( \$buffer, $chunkSize );
|
707
|
1
|
50
|
|
|
|
4
|
return ( \$buffer, $status ) unless $status == 0 ;
|
708
|
|
|
|
|
|
|
|
709
|
1
|
|
|
|
|
2
|
$self->{'readDataRemaining'} -= $bytesRead;
|
710
|
1
|
|
|
|
|
2
|
$self->{'readOffset'} += $bytesRead;
|
711
|
|
|
|
|
|
|
|
712
|
1
|
50
|
|
|
|
33
|
if ( $self->{'compressionMethod'} == COMPRESSION_STORED ) {
|
713
|
1
|
|
|
|
|
5
|
$self->{'crc32'} = $self->computeCRC32( $buffer, $self->{'crc32'} );
|
714
|
|
|
|
|
|
|
}
|
715
|
|
|
|
|
|
|
|
716
|
1
|
|
|
|
|
2
|
( $outputRef, $status ) = &{ $self->{'chunkHandler'} } ( $self, \$buffer );
|
|
1
|
|
|
|
|
3
|
|
717
|
1
|
|
|
|
|
2
|
$self->{'writeOffset'} += length($$outputRef);
|
718
|
|
|
|
|
|
|
|
719
|
1
|
50
|
|
|
|
3
|
$self->endRead() if $self->readIsDone() ;
|
720
|
|
|
|
|
|
|
|
721
|
1
|
|
|
|
|
3
|
return ( $outputRef, $status );
|
722
|
|
|
|
|
|
|
}
|
723
|
|
|
|
|
|
|
|
724
|
|
|
|
|
|
|
#################
|
725
|
|
|
|
|
|
|
# _READRAWCHUNK #
|
726
|
|
|
|
|
|
|
#################
|
727
|
|
|
|
|
|
|
|
728
|
|
|
|
|
|
|
sub _readRawChunk {
|
729
|
1
|
|
|
1
|
|
2
|
my ( $self, $dataRef, $chunkSize ) = @_;
|
730
|
1
|
50
|
|
|
|
4
|
return ( 0, 0 ) unless $chunkSize;
|
731
|
|
|
|
|
|
|
|
732
|
1
|
|
|
|
|
5
|
my $fh = $self->fh ;
|
733
|
1
|
|
50
|
|
|
10
|
my $bytesRead = read( $fh , $$dataRef, $chunkSize ) || return ( 0, _error("reading data") );
|
734
|
|
|
|
|
|
|
|
735
|
1
|
|
|
|
|
3
|
return ( $bytesRead, 0 );
|
736
|
|
|
|
|
|
|
}
|
737
|
|
|
|
|
|
|
|
738
|
|
|
|
|
|
|
######
|
739
|
|
|
|
|
|
|
# FH #
|
740
|
|
|
|
|
|
|
######
|
741
|
|
|
|
|
|
|
|
742
|
|
|
|
|
|
|
sub fh {
|
743
|
2
|
|
|
2
|
|
3
|
my $self = shift;
|
744
|
2
|
100
|
|
|
|
10
|
$self->fh_open() if ! $self->{'fh'} ;
|
745
|
2
|
|
|
|
|
13
|
return $self->{'fh'};
|
746
|
|
|
|
|
|
|
}
|
747
|
|
|
|
|
|
|
|
748
|
|
|
|
|
|
|
###########
|
749
|
|
|
|
|
|
|
# FH_OPEN #
|
750
|
|
|
|
|
|
|
###########
|
751
|
|
|
|
|
|
|
|
752
|
|
|
|
|
|
|
sub fh_open {
|
753
|
1
|
|
|
1
|
|
2
|
my $self = shift ;
|
754
|
1
|
|
|
|
|
2
|
my $fh ;
|
755
|
1
|
|
|
|
|
33
|
open ($fh, $self->{'externalFileName'} ) ;
|
756
|
1
|
|
|
|
|
3
|
binmode($fh);
|
757
|
1
|
|
|
|
|
3
|
$self->{'fh'} = $fh ;
|
758
|
1
|
|
|
|
|
2
|
return( $fh ) ;
|
759
|
|
|
|
|
|
|
}
|
760
|
|
|
|
|
|
|
|
761
|
|
|
|
|
|
|
##############
|
762
|
|
|
|
|
|
|
# READISDONE #
|
763
|
|
|
|
|
|
|
##############
|
764
|
|
|
|
|
|
|
|
765
|
|
|
|
|
|
|
sub readIsDone {
|
766
|
2
|
|
|
2
|
|
2
|
my $self = shift;
|
767
|
2
|
|
66
|
|
|
19
|
return ( $self->{'dataEnded'} or !$self->{'readDataRemaining'} );
|
768
|
|
|
|
|
|
|
}
|
769
|
|
|
|
|
|
|
|
770
|
|
|
|
|
|
|
#################
|
771
|
|
|
|
|
|
|
# _INFLATECHUNK #
|
772
|
|
|
|
|
|
|
#################
|
773
|
|
|
|
|
|
|
|
774
|
|
|
|
|
|
|
sub _inflateChunk {
|
775
|
0
|
|
|
0
|
|
0
|
my ( $self, $buffer ) = @_;
|
776
|
0
|
|
|
|
|
0
|
my ( $out, $status ) = $self->{'inflater'}->inflate($buffer);
|
777
|
|
|
|
|
|
|
|
778
|
0
|
|
|
|
|
0
|
my $retval;
|
779
|
0
|
0
|
|
|
|
0
|
$self->endRead() unless $status == Z_OK;
|
780
|
0
|
0
|
0
|
|
|
0
|
if ( $status == Z_OK || $status == Z_STREAM_END ) {
|
781
|
0
|
0
|
|
|
|
0
|
$retval = ( $status == Z_STREAM_END ) ? 1 : 0 ;
|
782
|
0
|
|
|
|
|
0
|
return ( \$out, $retval );
|
783
|
|
|
|
|
|
|
}
|
784
|
|
|
|
|
|
|
else {
|
785
|
0
|
|
|
|
|
0
|
$retval = _error( 'inflate error', $status );
|
786
|
0
|
|
|
|
|
0
|
my $dummy = '';
|
787
|
0
|
|
|
|
|
0
|
return ( \$dummy, $retval );
|
788
|
|
|
|
|
|
|
}
|
789
|
|
|
|
|
|
|
}
|
790
|
|
|
|
|
|
|
|
791
|
|
|
|
|
|
|
sub _copyChunk {
|
792
|
1
|
|
|
1
|
|
2
|
my ( $self, $dataRef ) = @_;
|
793
|
1
|
|
|
|
|
3
|
return ( $dataRef, 0 );
|
794
|
|
|
|
|
|
|
}
|
795
|
|
|
|
|
|
|
|
796
|
|
|
|
|
|
|
sub computeCRC32 {
|
797
|
1
|
|
|
1
|
|
2
|
my $data = shift;
|
798
|
1
|
50
|
|
|
|
4
|
$data = shift if ref($data); # allow calling as an obj method
|
799
|
1
|
|
|
|
|
1
|
my $crc = shift;
|
800
|
1
|
50
|
|
|
|
7
|
return LibZip::MyZlib::crc32( $data, $crc ) if defined &LibZip::MyZlib::crc32 ;
|
801
|
|
|
|
|
|
|
}
|
802
|
|
|
|
|
|
|
|
803
|
|
|
|
|
|
|
|
804
|
|
|
|
|
|
|
###############
|
805
|
|
|
|
|
|
|
# ISENCRYPTED #
|
806
|
|
|
|
|
|
|
###############
|
807
|
|
|
|
|
|
|
|
808
|
2
|
|
|
2
|
|
67
|
sub isEncrypted { shift->{'bitFlag'} & GPBF_ENCRYPTED_MASK ;}
|
809
|
|
|
|
|
|
|
|
810
|
|
|
|
|
|
|
#######
|
811
|
|
|
|
|
|
|
# END #
|
812
|
|
|
|
|
|
|
#######
|
813
|
|
|
|
|
|
|
|
814
|
|
|
|
|
|
|
1;
|
815
|
|
|
|
|
|
|
|
816
|
|
|
|
|
|
|
|