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package Data::Session::ID::MD5; |
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3
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1717
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use parent 'Data::Session::ID'; |
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6
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2
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18
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131
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no autovivification; |
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13
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102
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use strict; |
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6
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2
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46
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6
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10
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use warnings; |
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5
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2
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79
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7
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8
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2
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use Digest::MD5; |
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5
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2
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90
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10
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2
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2
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use Hash::FieldHash ':all'; |
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2
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924
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12
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our $errstr = ''; |
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our $VERSION = '1.18'; |
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15
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# ----------------------------------------------- |
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sub generate |
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{ |
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0
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my($self) = @_; |
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21
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848
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return Digest::MD5 -> new -> add($$, time, rand(time) ) -> hexdigest; |
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23
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} # End of generate. |
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# ----------------------------------------------- |
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sub id_length |
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{ |
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0
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0
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0
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0
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my($self) = @_; |
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31
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0
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0
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return 32; |
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} # End of id_length. |
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35
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# ----------------------------------------------- |
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37
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sub new |
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{ |
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35
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1
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325
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my($class, %arg) = @_; |
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35
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50
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144
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$arg{verbose} ||= 0; |
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42
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35
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2873
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return from_hash(bless({}, $class), \%arg); |
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44
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} # End of new. |
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46
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# ----------------------------------------------- |
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48
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1; |
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50
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=pod |
51
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52
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=head1 NAME |
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54
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L - A persistent session manager |
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56
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=head1 Synopsis |
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58
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See L for details. |
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60
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=head1 Description |
61
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62
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L allows L to generate session ids using L. |
63
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64
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To use this module do this: |
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66
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=over 4 |
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68
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=item o Specify an id generator of type MD5, as Data::Session -> new(type => '... id:MD5 ...') |
69
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70
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=back |
71
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72
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=head1 Case-sensitive Options |
73
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74
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See L for important information. |
75
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76
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=head1 Method: new() |
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78
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Creates a new object of type L. |
79
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80
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C takes a hash of key/value pairs, some of which might mandatory. Further, some combinations |
81
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might be mandatory. |
82
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83
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The keys are listed here in alphabetical order. |
84
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85
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They are lower-case because they are (also) method names, meaning they can be called to set or get |
86
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the value at any time. |
87
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88
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=over 4 |
89
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90
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=item o verbose => $integer |
91
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92
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Print to STDERR more or less information. |
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94
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Typical values are 0, 1 and 2. |
95
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96
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This key is normally passed in as Data::Session -> new(verbose => $integer). |
97
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98
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This key is optional. |
99
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100
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=back |
101
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102
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=head1 Method: generate() |
103
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104
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Generates the next session id, or dies if it can't. |
105
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106
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The algorithm is Digest::MD5 -> new -> add($$, time, rand(time) ) -> hexdigest. |
107
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108
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Returns the new id. |
109
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110
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=head1 Method: id_length() |
111
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112
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Returns 32 because that's the number of hex digits in a MD5 digest. |
113
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114
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This can be used to generate the SQL to create the sessions table. |
115
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116
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See scripts/digest.pl. |
117
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118
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=head1 Support |
119
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120
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Log a bug on RT: L. |
121
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122
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=head1 Author |
123
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124
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L was written by Ron Savage Iron@savage.net.auE> in 2010. |
125
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126
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Home page: L. |
127
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128
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=head1 Copyright |
129
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130
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Australian copyright (c) 2010, Ron Savage. |
131
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132
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All Programs of mine are 'OSI Certified Open Source Software'; |
133
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you can redistribute them and/or modify them under the terms of |
134
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The Artistic License, a copy of which is available at: |
135
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http://www.opensource.org/licenses/index.html |
136
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137
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=cut |