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package Config::Apple::Profile::Payload::Types::Validation; |
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use 5.14.4; |
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use strict; |
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use warnings FATAL => 'all'; |
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our $VERSION = '0.55'; |
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use DateTime; |
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1282780
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use DateTime::Format::Flexible; |
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use Encode qw(encode); |
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1276
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use Exporter::Easy ( |
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OK => [qw( |
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validate |
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validate_string validate_number validate_real validate_date |
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validate_boolean validate_data validate_identifier validate_uuid |
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validate_class |
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)], |
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TAGS => [ |
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'all' => [qw( |
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validate |
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validate_string validate_number validate_real validate_date |
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validate_boolean validate_data validate_identifier validate_uuid |
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validate_class |
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)], |
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'types' => [qw( |
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validate_string validate_number validate_real validate_date |
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validate_boolean validate_data validate_identifier validate_uuid |
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validate_class |
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)], |
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], |
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); |
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22629
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use Regexp::Common; |
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19667
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566420
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use Scalar::Util qw(openhandle blessed); |
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use Try::Tiny; |
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498
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use Config::Apple::Profile::Payload::Types qw(:all); |
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10782
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=encoding utf8 |
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=head1 NAME |
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43
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Config::Apple::Profile::Payload::Types::Validation - Validation of common |
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payload types. |
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46
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=head1 DESCRIPTION |
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48
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Apple Configuration Profiles contain one or more I. Each payload |
49
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contains a dictionary, which can be thought of like a Perl hash. Within a |
50
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payload's dictionary, each key's value is restricted to a specific type. |
51
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One key might require a number; a different key might require a string, or some |
52
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binary data. |
53
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54
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Provided in this module are a number of Readonly scalars that will be used |
55
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(instead of strings) to identify the data types for configuration profile keys. |
56
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The scalars are all OK for import into your local namespace, or you can simply |
57
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import C<:all> to get all of them at once. |
58
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59
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60
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=head1 FUNCTIONS |
61
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62
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=head2 validate |
63
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64
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my $validated_value = validate($type, $value); |
65
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66
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Validates C<$value> as a valid C<$type>. If valid, returns the de-tainted |
67
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C<$value>. If invalid, returns C. |
68
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69
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C<$type> is one of the values from L. |
70
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C<$value> is the value to be validated. |
71
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72
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IF C<$type> is not valid, or C<$value> is C, then C is returned. |
73
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74
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=cut |
75
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76
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sub validate { |
77
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235
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235
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1
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468
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my ($type, $value) = @_; |
78
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79
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# We recognize String types |
80
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235
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100
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33
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682
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if ($type == $ProfileString) { |
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100
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100
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50
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50
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50
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100
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50
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0
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81
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16
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103
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return validate_string($value); |
82
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} |
83
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84
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# We recognize Number types |
85
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elsif ($type == $ProfileNumber) { |
86
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21
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203
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return validate_number($value); |
87
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} |
88
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89
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# We recognize Real (floating-point number) types |
90
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elsif ($type == $ProfileReal) { |
91
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25
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403
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return validate_real($value); |
92
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} |
93
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94
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# We recognize Boolean types |
95
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elsif ($type == $ProfileBool) { |
96
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0
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0
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return validate_boolean($value); |
97
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} |
98
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99
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# We recognize Data types |
100
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elsif ( ($type == $ProfileData) |
101
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|| ($type == $ProfileNSDataBlob) |
102
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) { |
103
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0
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0
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return validate_data($value); |
104
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} |
105
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106
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# We recognize Date types |
107
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elsif ($type == $ProfileDate) { |
108
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0
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0
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return validate_date ($value); |
109
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} |
110
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111
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# We recognize Identifier types |
112
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elsif ($type == $ProfileIdentifier) { |
113
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16
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568
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return validate_identifier($value); |
114
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} |
115
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116
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# We recognize UUID types |
117
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elsif ($type == $ProfileUUID) { |
118
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157
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7893
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return validate_uuid($value); |
119
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} |
120
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121
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# We recognize classes |
122
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elsif ($type == $ProfileClass) { |
123
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0
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0
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return validate_class($value); |
124
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} |
125
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} |
126
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127
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128
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=head2 validate_string |
129
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130
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my $valid_string = validate_string($value); |
131
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132
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Returns a de-tained C<$value> if it is a defined, non-empty scalar, and can be |
133
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encoded as UTF-8 by L. |
134
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135
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=cut |
136
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137
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sub validate_string { |
138
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28
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28
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1
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46
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my ($value) = @_; |
139
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140
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# References aren't allowed here |
141
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## no critic (ProhibitExplicitReturnUndef) |
142
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28
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100
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82
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return undef if ref($value); |
143
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##use critic |
144
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145
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# Empty strings aren't allowed, either. |
146
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22
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100
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123
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if ($value =~ m/^(.+)$/s) { |
147
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19
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51
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$value = $1; |
148
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149
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} |
150
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else { |
151
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## no critic (ProhibitExplicitReturnUndef) |
152
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2
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7
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return undef; |
153
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##use critic |
154
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} |
155
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156
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# Try to encode as UTF-8, to make sure it's safe |
157
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try { |
158
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19
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19
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746
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encode('UTF-8', $value, Encode::FB_CROAK | Encode::LEAVE_SRC); |
159
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} |
160
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catch { |
161
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2
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2
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120
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$value = undef; |
162
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19
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161
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}; |
163
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164
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# If we're here, then we are valid! |
165
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19
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1158
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return $value; |
166
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} |
167
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168
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169
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=head2 validate_number |
170
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171
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my $number = validate_number($value) |
172
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173
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Returns a de-tained C<$value> if it is an integer. A leading + is OK. |
174
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Any other input returns C. |
175
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176
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=cut |
177
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178
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sub validate_number { |
179
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81
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81
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1
|
120
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my ($value) = @_; |
180
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181
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# References aren't allowed here |
182
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## no critic (ProhibitExplicitReturnUndef) |
183
|
81
|
100
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196
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return undef if ref($value); |
184
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##use critic |
185
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186
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# Numbers must be integers, positive or negative (or zero). |
187
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75
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100
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488
|
if ($value =~ /^$RE{num}{int}{-keep}$/) { |
188
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62
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11691
|
return $1; |
189
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} |
190
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191
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# If we're here, the matching failed, so return undef |
192
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## no critic (ProhibitExplicitReturnUndef) |
193
|
12
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|
2631
|
return undef; |
194
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|
|
##use critic |
195
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} |
196
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197
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198
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=head2 validate_real |
199
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200
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my $number = validate_real($value) |
201
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202
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Returns a de-tainted C<$value> if it is an integer or a floating-point number. |
203
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|
A loading C<+> is OK. An exponent, positive or negative, is also OK. |
204
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Any other input returns C. |
205
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206
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|
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=cut |
207
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208
|
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|
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|
|
sub validate_real { |
209
|
49
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49
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1
|
95
|
my ($value) = @_; |
210
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211
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# References aren't allowed here |
212
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|
|
## no critic (ProhibitExplicitReturnUndef) |
213
|
49
|
100
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|
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|
131
|
return undef if ref($value); |
214
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|
##use critic |
215
|
|
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|
|
|
|
|
216
|
|
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|
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|
|
# Numbers must be floating-point, positive or negative (or zero). |
217
|
43
|
100
|
|
|
|
444
|
if ($value =~ /^$RE{num}{real}{-keep}$/i) { |
218
|
36
|
|
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|
|
10860
|
return $1; |
219
|
|
|
|
|
|
|
} |
220
|
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221
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|
|
# If we're here, the matching failed, so return undef |
222
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|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
223
|
6
|
|
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|
|
1548
|
return undef; |
224
|
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|
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|
|
##use critic |
225
|
|
|
|
|
|
|
} |
226
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|
227
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228
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|
|
=head2 validate_boolean |
229
|
|
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|
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|
|
230
|
|
|
|
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|
|
my $boolean = validate_boolean($value); |
231
|
|
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|
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|
|
|
232
|
|
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|
|
If C<$value> can be evaluated as true or false, returns a C<1> or a C<0>, |
233
|
|
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|
|
|
|
respectively. Will return C if a reference is passed. |
234
|
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|
235
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|
|
=cut |
236
|
|
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|
|
|
|
237
|
|
|
|
|
|
|
sub validate_boolean { |
238
|
0
|
|
|
0
|
1
|
0
|
my ($value) = @_; |
239
|
|
|
|
|
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|
240
|
|
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|
|
|
|
# References aren't allowed here |
241
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
242
|
0
|
0
|
|
|
|
0
|
return undef if ref($value); |
243
|
|
|
|
|
|
|
##use critic |
244
|
|
|
|
|
|
|
|
245
|
|
|
|
|
|
|
# A simple evaluation! |
246
|
0
|
0
|
|
|
|
0
|
if ($value) { |
247
|
0
|
|
|
|
|
0
|
return 1; |
248
|
|
|
|
|
|
|
} |
249
|
0
|
0
|
|
|
|
0
|
if (!$value) { |
250
|
0
|
|
|
|
|
0
|
return 0; |
251
|
|
|
|
|
|
|
} |
252
|
|
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|
|
|
|
} |
253
|
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|
|
|
254
|
|
|
|
|
|
|
|
255
|
|
|
|
|
|
|
=head2 validate_date |
256
|
|
|
|
|
|
|
|
257
|
|
|
|
|
|
|
my $date_object = validate_date($value); |
258
|
|
|
|
|
|
|
|
259
|
|
|
|
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|
|
If C<$value> is already a finite C object, it is returned immediately. |
260
|
|
|
|
|
|
|
If C<$value> is a string, and can be parsed by L, |
261
|
|
|
|
|
|
|
the resulting C object will be returned. |
262
|
|
|
|
|
|
|
|
263
|
|
|
|
|
|
|
Unparseable strings, infinite C objects, and any other input will |
264
|
|
|
|
|
|
|
return C. |
265
|
|
|
|
|
|
|
|
266
|
|
|
|
|
|
|
=cut |
267
|
|
|
|
|
|
|
|
268
|
|
|
|
|
|
|
sub validate_date { |
269
|
0
|
|
|
0
|
1
|
0
|
my ($value) = @_; |
270
|
|
|
|
|
|
|
|
271
|
|
|
|
|
|
|
# If we have a blessed ref, which is a DateTime object, and it represents |
272
|
|
|
|
|
|
|
# a finite time, then we're good! |
273
|
0
|
0
|
|
|
|
0
|
if (ref $value) { |
274
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
275
|
0
|
0
|
|
|
|
0
|
return undef unless blessed($value); |
276
|
0
|
0
|
|
|
|
0
|
return undef unless $value->isa('DateTime'); |
277
|
0
|
0
|
|
|
|
0
|
return undef unless $value->is_finite; |
278
|
|
|
|
|
|
|
##use critic |
279
|
|
|
|
|
|
|
|
280
|
0
|
|
|
|
|
0
|
return $value |
281
|
|
|
|
|
|
|
} |
282
|
|
|
|
|
|
|
|
283
|
|
|
|
|
|
|
# At this point, we have a scalar, so let's see if it can be parsed |
284
|
|
|
|
|
|
|
try { |
285
|
0
|
|
|
0
|
|
0
|
$value = DateTime::Format::Flexible->parse_datetime($value); |
286
|
0
|
|
|
|
|
0
|
return $value; |
287
|
|
|
|
|
|
|
} |
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
# I give up! |
290
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
291
|
0
|
|
|
|
|
0
|
return undef; |
292
|
|
|
|
|
|
|
##use critic |
293
|
|
|
|
|
|
|
} |
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
=head2 validate_data |
297
|
|
|
|
|
|
|
|
298
|
|
|
|
|
|
|
# With a file handle |
299
|
|
|
|
|
|
|
my $handle = validate_data($handle); |
300
|
|
|
|
|
|
|
|
301
|
|
|
|
|
|
|
# With binary data |
302
|
|
|
|
|
|
|
my $handle = validate_data($bytes); |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
If passed an already-open file handle, or any object that represents a file |
305
|
|
|
|
|
|
|
(such as an C object), will return what was passed. |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
If passed a scalar, it will be checked to make sure it is not empty, and that |
308
|
|
|
|
|
|
|
is not a utf8 string. The contents of the string will be placed into an |
309
|
|
|
|
|
|
|
in-memory file, and an IO::File object will be returned. |
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
=cut |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
sub validate_data { |
314
|
0
|
|
|
0
|
1
|
0
|
my ($value) = @_; |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
# How we act here depends if we have a string or a filehandle |
317
|
|
|
|
|
|
|
# Let's first check if we were given an open filehandle |
318
|
0
|
0
|
|
|
|
0
|
if (openhandle($value)) { |
319
|
|
|
|
|
|
|
# We've got an open file, so we're good! |
320
|
0
|
|
|
|
|
0
|
return $value; |
321
|
|
|
|
|
|
|
} |
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
# If we don't have an open handle, then make sure it's not an object |
324
|
0
|
0
|
|
|
|
0
|
unless (ref($value)) { |
325
|
|
|
|
|
|
|
# We have a string. Let's make sure it's binary, and non-empty. |
326
|
0
|
0
|
0
|
|
|
0
|
if ( (!utf8::is_utf8($value)) |
327
|
|
|
|
|
|
|
&& (length($value) > 0) |
328
|
|
|
|
|
|
|
) { |
329
|
|
|
|
|
|
|
# Pull the string into an in-memory file, and return that. |
330
|
0
|
|
|
|
|
0
|
my ($memory, $file); |
331
|
0
|
|
|
|
|
0
|
$file = IO::File::new(\$memory, 'w+'); |
332
|
0
|
|
|
|
|
0
|
binmode($file); |
333
|
0
|
|
|
|
|
0
|
$file->print($value); |
334
|
0
|
|
|
|
|
0
|
$file->seek(0, 0); |
335
|
0
|
|
|
|
|
0
|
return $file; |
336
|
|
|
|
|
|
|
} |
337
|
|
|
|
|
|
|
} |
338
|
|
|
|
|
|
|
|
339
|
|
|
|
|
|
|
# If we're here, then we are dealing with something unknown to us. |
340
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
341
|
0
|
0
|
|
|
|
0
|
return undef if ref($value); |
342
|
|
|
|
|
|
|
##use critic |
343
|
|
|
|
|
|
|
} |
344
|
|
|
|
|
|
|
|
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
=head2 validate_identifier |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
my $valid_identifier = validate_identifier($value); |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
Returns a de-tained C<$value> if it is a single-line string that matches the |
351
|
|
|
|
|
|
|
format of a domain name (without spaces). Otherwise, returns C. |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
=cut |
354
|
|
|
|
|
|
|
|
355
|
|
|
|
|
|
|
sub validate_identifier { |
356
|
28
|
|
|
28
|
1
|
40
|
my ($value) = @_; |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
# References aren't allowed here |
359
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
360
|
28
|
100
|
|
|
|
76
|
return undef if ref($value); |
361
|
|
|
|
|
|
|
##use critic |
362
|
|
|
|
|
|
|
|
363
|
|
|
|
|
|
|
# Empty strings aren't allowed, either. |
364
|
22
|
100
|
|
|
|
117
|
if ($value =~ m/^(.+)$/s) { |
365
|
19
|
|
|
|
|
52
|
my $matched_string = $1; |
366
|
|
|
|
|
|
|
# Identifiers are one-line strings |
367
|
19
|
100
|
100
|
|
|
168
|
if ( ($matched_string !~ m/\n/s) |
368
|
|
|
|
|
|
|
&& ($matched_string =~ m/^$RE{net}{domain}{-nospace}$/) |
369
|
|
|
|
|
|
|
) { |
370
|
14
|
|
|
|
|
3312
|
return $matched_string; |
371
|
|
|
|
|
|
|
} |
372
|
|
|
|
|
|
|
} |
373
|
|
|
|
|
|
|
|
374
|
|
|
|
|
|
|
# If we're here, the matching failed, so return undef |
375
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
376
|
7
|
|
|
|
|
886
|
return undef; |
377
|
|
|
|
|
|
|
##use critic |
378
|
|
|
|
|
|
|
} |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
=head2 validate_uuid |
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
my $guid = validate_uuid($value); |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
If C<$value> is a C object, it is returned immediately. |
385
|
|
|
|
|
|
|
If C<$value> is a C object, an equivalent C object is |
386
|
|
|
|
|
|
|
returned. Objects of other types return C. |
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
If C<$value> is a string that can be parsed as a GUID, an equivalent |
389
|
|
|
|
|
|
|
C object is returned. Otherwise, C is returned. |
390
|
|
|
|
|
|
|
|
391
|
|
|
|
|
|
|
=cut |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
sub validate_uuid { |
394
|
319
|
|
|
319
|
1
|
497
|
my ($value) = @_; |
395
|
|
|
|
|
|
|
|
396
|
319
|
|
|
|
|
592
|
my $class = ref($value); |
397
|
319
|
|
|
|
|
400
|
my $uuid; |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
# We accept Data::UUID objects |
400
|
319
|
50
|
|
|
|
978
|
if ($class eq 'Data::UUID') { |
401
|
0
|
|
|
|
|
0
|
$uuid = Data::GUID::from_data_uuid($value); |
402
|
0
|
|
|
|
|
0
|
return $uuid; |
403
|
|
|
|
|
|
|
} |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
# We accept Data::GUID objects |
406
|
319
|
100
|
|
|
|
752
|
if ($class eq 'Data::GUID') { |
407
|
100
|
|
|
|
|
458
|
return $value; |
408
|
|
|
|
|
|
|
} |
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
# We don't accept other kinds of objects |
411
|
219
|
100
|
|
|
|
543
|
if ($class ne '') { |
412
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
413
|
3
|
|
|
|
|
11
|
return undef; |
414
|
|
|
|
|
|
|
## use critic |
415
|
|
|
|
|
|
|
} |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
# Have Data::GUID try to parse the input |
418
|
|
|
|
|
|
|
# If from_any_string doesn't die, then it wored OK |
419
|
216
|
|
|
|
|
318
|
eval { |
420
|
216
|
|
|
|
|
838
|
$uuid = Data::GUID->from_any_string($value); |
421
|
|
|
|
|
|
|
}; |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
# If parsing went OK, then we have our object! Otherwise, we have undef. |
424
|
216
|
|
|
|
|
310750
|
return $uuid; |
425
|
|
|
|
|
|
|
} |
426
|
|
|
|
|
|
|
|
427
|
|
|
|
|
|
|
|
428
|
|
|
|
|
|
|
=head2 validate_class |
429
|
|
|
|
|
|
|
|
430
|
|
|
|
|
|
|
my $object = validate_class($value) |
431
|
|
|
|
|
|
|
|
432
|
|
|
|
|
|
|
If C<$value> is an object, and is also an instance of |
433
|
|
|
|
|
|
|
C (or something that is a subclass), |
434
|
|
|
|
|
|
|
then C<$value> is returned. Otherwise, C is returned. |
435
|
|
|
|
|
|
|
|
436
|
|
|
|
|
|
|
=cut |
437
|
|
|
|
|
|
|
|
438
|
|
|
|
|
|
|
sub validate_class { |
439
|
0
|
|
|
0
|
1
|
|
my ($object) = @_; |
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
# We don't accept non-references |
442
|
0
|
0
|
|
|
|
|
if (!blessed($object)) { |
443
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
444
|
0
|
|
|
|
|
|
return undef; |
445
|
|
|
|
|
|
|
## use critic |
446
|
|
|
|
|
|
|
} |
447
|
|
|
|
|
|
|
|
448
|
0
|
0
|
|
|
|
|
if ($object->isa('Config::Apple::Profile::Payload::Common')) { |
449
|
0
|
|
|
|
|
|
return $object; |
450
|
|
|
|
|
|
|
} |
451
|
|
|
|
|
|
|
|
452
|
|
|
|
|
|
|
# If we're here, then we have an object of the wrong class |
453
|
|
|
|
|
|
|
## no critic (ProhibitExplicitReturnUndef) |
454
|
0
|
|
|
|
|
|
return undef; |
455
|
|
|
|
|
|
|
## use critic |
456
|
|
|
|
|
|
|
} |
457
|
|
|
|
|
|
|
|
458
|
|
|
|
|
|
|
=head1 ACKNOWLEDGEMENTS |
459
|
|
|
|
|
|
|
|
460
|
|
|
|
|
|
|
Refer to L for acknowledgements. |
461
|
|
|
|
|
|
|
|
462
|
|
|
|
|
|
|
=head1 AUTHOR |
463
|
|
|
|
|
|
|
|
464
|
|
|
|
|
|
|
A. Karl Kornel, C<< >> |
465
|
|
|
|
|
|
|
|
466
|
|
|
|
|
|
|
=head1 COPYRIGHT AND LICENSE |
467
|
|
|
|
|
|
|
|
468
|
|
|
|
|
|
|
Copyright © 2014 A. Karl Kornel. |
469
|
|
|
|
|
|
|
|
470
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify it |
471
|
|
|
|
|
|
|
under the terms of either: the GNU General Public License as published |
472
|
|
|
|
|
|
|
by the Free Software Foundation; or the Artistic License. |
473
|
|
|
|
|
|
|
|
474
|
|
|
|
|
|
|
See L for more information. |
475
|
|
|
|
|
|
|
|
476
|
|
|
|
|
|
|
=cut |
477
|
|
|
|
|
|
|
|
478
|
|
|
|
|
|
|
1; |