1 | package LATMOS::Accounts::Bases::Objects; |
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2 | |
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3 | use 5.010000; |
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4 | use strict; |
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5 | use warnings; |
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6 | use LATMOS::Accounts::Log; |
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7 | use LATMOS::Accounts::Bases::Attributes; |
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8 | use Crypt::Cracklib; |
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9 | |
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10 | our $VERSION = (q$Rev$ =~ /^Rev: (\d+) /)[0]; |
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11 | |
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12 | =head1 NAME |
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13 | |
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14 | LATMOS::Accounts::Bases::Objects - Base class for account objects |
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15 | |
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16 | =head1 SYNOPSIS |
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17 | |
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18 | use LATMOS::Accounts::Bases::Objects; |
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19 | LATMOS::Accounts::Bases::Objects->new($base, $type, $id); |
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20 | |
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21 | =head1 DESCRIPTION |
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22 | |
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23 | =head1 FUNCTIONS |
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24 | |
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25 | =cut |
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26 | |
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27 | =head2 is_supported |
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28 | |
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29 | If exists, must return true or false if the object is supported or not |
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30 | |
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31 | =cut |
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32 | |
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33 | =head2 list($base) |
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34 | |
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35 | List object supported by this module existing in base $base |
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36 | |
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37 | Must be provide by object class |
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38 | |
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39 | sub list { |
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40 | my ($class, $base) = @_; |
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41 | } |
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42 | |
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43 | =cut |
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44 | |
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45 | =head2 list_from_rev($base, $rev) |
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46 | |
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47 | List objects create or modified after base revision C<$rev>. |
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48 | |
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49 | =cut |
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50 | |
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51 | =head2 new($base, $id) |
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52 | |
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53 | Create a new object having $id as uid. |
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54 | |
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55 | =cut |
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56 | |
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57 | sub new { |
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58 | my ($class, $base, $id, @args) = @_; |
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59 | # So can be call as $class->SUPER::new() |
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60 | bless { |
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61 | _base => $base, |
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62 | _type => lc(($class =~ m/::([^:]*)$/)[0]), |
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63 | _id => $id, |
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64 | }, $class; |
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65 | } |
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66 | |
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67 | # _new($base, $type, $id, ...) |
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68 | |
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69 | # Return a new object of type $type having unique identifier |
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70 | # $id, all remaining arguments are passed to the subclass. |
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71 | |
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72 | sub _new { |
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73 | my ($class, $base, $otype, $id, @args) = @_; |
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74 | |
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75 | # finding perl class: |
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76 | my $pclass = $base->_load_obj_class($otype) or return; |
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77 | my $newobj = "$pclass"->new($base, $id, @args) or return; |
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78 | $newobj->{_base} = $base; |
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79 | $newobj->{_type} = lc($otype); |
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80 | $newobj->{_id} ||= $id; |
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81 | return $newobj; |
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82 | } |
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83 | |
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84 | =head2 _create($class, $base, $id, %data) |
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85 | |
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86 | Must create a new object in database. |
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87 | |
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88 | Is called if underling base does not override create_object |
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89 | |
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90 | sub _create( |
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91 | my ($class, $base, $id, %data) |
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92 | } |
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93 | |
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94 | =cut |
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95 | |
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96 | =head2 type |
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97 | |
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98 | Return the type of the object |
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99 | |
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100 | =cut |
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101 | |
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102 | sub type { |
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103 | my ($self) = @_; |
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104 | if (ref $self) { |
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105 | return $self->{_type} |
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106 | } else { |
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107 | return lc(($self =~ /::([^:]+)$/)[0]); |
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108 | } |
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109 | } |
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110 | |
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111 | =head2 base |
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112 | |
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113 | Return the base handle for this object. |
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114 | |
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115 | =cut |
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116 | |
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117 | sub base { |
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118 | return $_[0]->{_base} |
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119 | } |
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120 | |
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121 | =head2 id |
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122 | |
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123 | Must return the unique identifier for this object |
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124 | |
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125 | =cut |
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126 | |
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127 | sub id { |
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128 | my ($self) = @_; |
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129 | $self->{_id} |
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130 | } |
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131 | |
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132 | =head2 list_canonical_fields($for) |
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133 | |
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134 | Object shortcut to get the list of field supported by the object. |
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135 | |
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136 | =cut |
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137 | |
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138 | sub list_canonical_fields { |
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139 | my ($self, $for) = @_; |
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140 | $for ||= 'rw'; |
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141 | $self->_canonical_fields($for); |
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142 | } |
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143 | |
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144 | =head2 attribute ($attribute) |
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145 | |
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146 | Return L<LATMOS::Accounts::Bases::Attributes> object for C<$attribute> |
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147 | |
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148 | =cut |
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149 | |
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150 | sub attribute { |
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151 | my ($self, $attribute) = @_; |
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152 | |
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153 | my $attrinfo; |
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154 | if (! ref $attribute) { |
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155 | $attrinfo = $self->_get_attr_schema( |
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156 | $self->base)->{$attribute} |
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157 | or return; |
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158 | $attrinfo->{name} = $attribute; |
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159 | } else { |
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160 | $attrinfo = $attribute; |
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161 | } |
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162 | |
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163 | return LATMOS::Accounts::Bases::Attributes->new( |
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164 | $attrinfo, |
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165 | $self, |
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166 | ); |
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167 | } |
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168 | |
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169 | sub _canonical_fields { |
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170 | my ($class, $base, $for) = @_; |
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171 | $for ||= 'rw'; |
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172 | my $info = $base->_get_attr_schema($class->type); |
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173 | my @attrs = map { $base->attribute($class->type, $_) } keys %{$info || {}}; |
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174 | @attrs = grep { ! $_->ro } @attrs if($for =~ /w/); |
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175 | @attrs = grep { $_->readable } @attrs if($for =~ /r/); |
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176 | map { $_->name } grep { !$_->hidden } @attrs; |
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177 | } |
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178 | |
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179 | =head2 get_field($field) |
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180 | |
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181 | Return the value for $field, must be provide by data base. |
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182 | |
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183 | sub get_field { |
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184 | my ($self, $field) |
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185 | } |
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186 | |
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187 | =cut |
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188 | |
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189 | =head2 get_c_field($cfield) |
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190 | |
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191 | Return the value for canonical field $cfield. |
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192 | |
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193 | Call driver specific get_field() |
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194 | |
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195 | =cut |
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196 | |
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197 | sub get_c_field { |
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198 | my ($self, $cfield) = @_; |
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199 | $self->base->check_acl($self, $cfield, 'r') or do { |
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200 | $self->base->log(LA_ERR, "Permission denied to get %s/%s", |
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201 | $self->id, $cfield |
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202 | ); |
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203 | return; |
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204 | }; |
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205 | return $self->_get_c_field($cfield); |
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206 | } |
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207 | |
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208 | =head2 get_attributes($attr) |
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209 | |
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210 | Like get_c_field but always return an array |
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211 | |
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212 | =cut |
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213 | |
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214 | sub get_attributes { |
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215 | my ($self, $cfield) = @_; |
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216 | my $res = $self->get_c_field($cfield); |
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217 | return ref $res ? @{ $res } : ($res); |
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218 | } |
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219 | |
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220 | sub _get_attributes { |
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221 | my ($self, $cfield) = @_; |
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222 | my $res = $self->_get_c_field($cfield); |
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223 | return ref $res ? @{ $res } : ($res); |
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224 | } |
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225 | |
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226 | =head2 get_state ($state) |
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227 | |
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228 | Return an on fly computed value |
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229 | |
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230 | =cut |
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231 | |
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232 | sub get_state { |
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233 | my ($self, $state) = @_; |
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234 | # hum... |
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235 | if (defined(my $res = $self->_get_state($state))) { |
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236 | return $res; |
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237 | } |
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238 | for ($state) { |
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239 | } |
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240 | return; |
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241 | } |
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242 | |
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243 | sub _get_state { |
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244 | my ($self, $state) = @_; |
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245 | return; |
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246 | } |
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247 | |
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248 | sub _get_c_field { |
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249 | my ($self, $cfield) = @_; |
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250 | my $attribute = $self->attribute($cfield) or do { |
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251 | $self->base->log(LA_WARN, "Unknow attribute $cfield"); |
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252 | return; |
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253 | }; |
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254 | $attribute->readable or do { |
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255 | $self->base->log(LA_WARN, "Attribute $cfield is not readable"); |
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256 | return; |
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257 | }; |
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258 | return $attribute->get; |
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259 | } |
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260 | |
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261 | =head2 queryformat ($fmt) |
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262 | |
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263 | Return formated string according C<$fmt> |
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264 | |
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265 | =cut |
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266 | |
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267 | sub queryformat { |
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268 | my ($self, $fmt) = @_; |
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269 | $fmt =~ s/\\n/\n/g; |
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270 | $fmt =~ s! |
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271 | (?:%{([^:}]*)(?::([^}]+))?}) |
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272 | ! |
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273 | my $val = $self->get_c_field($1); |
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274 | sprintf('%' . ($2 || 's'), ref $val ? join(',', @$val) : ($val||'')) |
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275 | !egx; |
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276 | $fmt; |
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277 | } |
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278 | |
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279 | =head2 set_fields(%data) |
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280 | |
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281 | Set values for this object. %data is a list or peer field => values. |
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282 | |
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283 | sub set_fields { |
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284 | my ($self, %data) = @_; |
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285 | } |
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286 | |
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287 | =cut |
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288 | |
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289 | =head2 check_allowed_values ($attr, $values) |
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290 | |
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291 | Check if value C<$values> is allowed for attributes C<$attr> |
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292 | |
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293 | =cut |
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294 | |
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295 | sub check_allowed_values { |
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296 | my ($self, $attr, $values) = @_; |
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297 | $self->base->check_allowed_values($self->type, $attr, $values); |
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298 | } |
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299 | |
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300 | =head2 attr_allow_values ($attr) |
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301 | |
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302 | Return allowed for attribute C<$attr> |
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303 | |
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304 | =cut |
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305 | |
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306 | sub attr_allow_values { |
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307 | my ($self, $attr) = @_; |
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308 | return $self->base->obj_attr_allowed_values( |
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309 | $self->type, |
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310 | $attr, |
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311 | ); |
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312 | } |
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313 | |
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314 | =head2 set_c_fields(%data) |
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315 | |
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316 | Set values for this object. %data is a list or peer |
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317 | canonical field => values. Fields names are translated. |
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318 | |
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319 | =cut |
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320 | |
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321 | sub set_c_fields { |
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322 | my ($self, %cdata) = @_; |
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323 | foreach my $cfield (keys %cdata) { |
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324 | $self->base->check_acl($self, $cfield, 'w') or do { |
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325 | $self->base->log(LA_ERR, "Cannot modified %s/%s: %s", |
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326 | $self->type, $self->id, "permission denied"); |
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327 | return; |
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328 | }; |
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329 | } |
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330 | |
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331 | foreach my $cfield (keys %cdata) { |
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332 | $self->check_allowed_values($cfield, $cdata{$cfield}) or do { |
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333 | $self->base->log(LA_ERR, "Cannot modified %s/%s: %s", |
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334 | $self->type, $self->id, "non authorized value"); |
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335 | return; |
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336 | }; |
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337 | } |
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338 | $self->_set_c_fields(%cdata); |
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339 | } |
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340 | |
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341 | sub _set_c_fields { |
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342 | my ($self, %cdata) = @_; |
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343 | my %data; |
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344 | my $res = 0; |
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345 | foreach my $cfield (keys %cdata) { |
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346 | my $attribute = $self->attribute($cfield) or do { |
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347 | $self->base->log(LA_ERR, |
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348 | "Cannot set unsupported attribute %s to %s (%s)", |
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349 | $cfield, $self->id, $self->type |
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350 | ); |
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351 | return; |
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352 | }; |
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353 | $attribute->ro and do { |
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354 | $self->base->log(LA_ERR, |
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355 | "Cannot set read-only attribute %s to %s (%s)", |
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356 | $cfield, $self->id, $self->type |
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357 | ); |
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358 | return; |
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359 | }; |
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360 | $attribute->mandatory && |
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361 | (!(defined($cdata{$cfield})) || $cdata{$cfield} eq '') and do { |
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362 | $self->base->log(LA_ERR, |
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363 | "%s attribute cannot be empty, ignoring for object %s/%s", |
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364 | $cfield, |
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365 | $self->type, |
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366 | $self->id, |
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367 | ); |
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368 | return 0; |
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369 | }; |
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370 | $res += ($attribute->set($cdata{$cfield}) || 0); |
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371 | |
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372 | } |
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373 | $res |
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374 | } |
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375 | |
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376 | =head2 set_password($password) |
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377 | |
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378 | Set the password into the database, $password is the clear version |
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379 | of the password. |
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380 | |
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381 | This function store it into userPassword canonical field if supported |
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382 | using crypt unix and md5 algorythm (crypt md5), the salt is 8 random |
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383 | caracters. |
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384 | |
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385 | The base driver should override it if another encryption is need. |
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386 | |
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387 | =cut |
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388 | |
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389 | sub set_password { |
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390 | my ($self, $clear_pass) = @_; |
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391 | if ($self->base->check_acl($self, 'userPassword', 'w')) { |
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392 | return $self->_set_password($clear_pass); |
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393 | } else { |
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394 | $self->base->log(LA_ERROR, "Permission denied for %s to change its password", |
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395 | $self->id); |
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396 | return; |
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397 | } |
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398 | } |
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399 | |
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400 | sub _set_password { |
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401 | my ($self, $clear_pass) = @_; |
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402 | if (my $attribute = $self->base->attribute($self->type, 'userPassword')) { |
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403 | my @salt_char = (('a' .. 'z'), ('A' .. 'Z'), (0 .. 9), '/', '.'); |
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404 | my $salt = join('', map { $salt_char[rand(scalar(@salt_char))] } (1 .. 8)); |
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405 | my $res = $self->set_fields($attribute->iname, crypt($clear_pass, '$1$' . $salt)); |
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406 | $self->base->log(LA_NOTICE, 'Mot de passe changé pour %s', $self->id) |
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407 | if($res); |
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408 | return $res; |
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409 | } else { |
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410 | $self->log(LA_WARN, |
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411 | "Cannot set password: userPassword attributes is unsupported"); |
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412 | } |
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413 | } |
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414 | |
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415 | =head2 check_password ($password) |
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416 | |
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417 | Check given password is secure using L<Crypt::Cracklib> |
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418 | |
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419 | =cut |
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420 | |
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421 | sub check_password { |
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422 | my ( $self, $password ) = @_; |
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423 | my $dictionary; |
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424 | |
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425 | if ($password !~ /^[[:ascii:]]*$/) { |
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426 | return "the password must contains ascii characters only"; |
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427 | } |
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428 | |
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429 | return fascist_check($password, $dictionary); |
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430 | } |
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431 | |
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432 | =head2 search ($base, @filter) |
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433 | |
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434 | Search object matching C<@filter> |
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435 | |
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436 | =cut |
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437 | |
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438 | sub search { |
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439 | my ($class, $base, @filter) = @_; |
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440 | my @results; |
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441 | my %parsed_filter; |
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442 | while (my $item = shift(@filter)) { |
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443 | # attr=foo => no extra white space ! |
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444 | # \W is false, it is possible to have two char |
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445 | my ($attr, $mode, $val) = $item =~ /^(\w+)(?:(\W)(.+))?$/ or next; |
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446 | if (!$mode) { |
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447 | $mode = '~'; |
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448 | $val = shift(@filter); |
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449 | } |
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450 | push( |
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451 | @{$parsed_filter{$attr}}, |
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452 | { |
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453 | attr => $attr, |
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454 | mode => $mode, |
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455 | val => $val, |
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456 | } |
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457 | ); |
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458 | } |
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459 | foreach my $id ($base->list_objects($class->type)) { |
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460 | my $obj = $base->get_object($class->type, $id); |
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461 | my $match = 1; |
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462 | foreach my $field (keys %parsed_filter) { |
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463 | $base->attribute($class->type, $field) or |
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464 | la_log LA_WARN "Unsupported attribute $field"; |
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465 | my $tmatch = 0; |
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466 | foreach (@{$parsed_filter{$field}}) { |
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467 | my $value = $_->{val}; |
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468 | my $fval = $obj->_get_c_field($field) || ''; |
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469 | if ($value eq '*') { |
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470 | if ($fval ne '') { |
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471 | $tmatch = 1; |
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472 | last; |
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473 | } |
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474 | } elsif ($value eq '!') { |
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475 | if ($fval eq '') { |
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476 | $match = 1; |
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477 | last; |
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478 | } |
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479 | } elsif ($_->{mode} eq '=') { |
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480 | if ($fval eq $value) { |
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481 | $tmatch = 1; |
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482 | last; |
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483 | } |
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484 | } elsif($_->{mode} eq '~') { |
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485 | if ($fval =~ m/\Q$value\E/i) { |
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486 | $tmatch = 1; |
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487 | last; |
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488 | } |
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489 | } |
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490 | } |
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491 | $match = 0 unless($tmatch); |
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492 | } |
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493 | push(@results, $id) if($match); |
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494 | } |
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495 | @results; |
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496 | } |
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497 | |
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498 | =head2 attributes_summary ($base, $attribute) |
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499 | |
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500 | Return list of values existing in base for C<$attribute> |
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501 | |
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502 | =cut |
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503 | |
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504 | sub attributes_summary { |
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505 | my ($class, $base, $attribute) = @_; |
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506 | my %values; |
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507 | foreach my $id ($base->list_objects($class->type)) { |
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508 | my $obj = $base->get_object($class->type, $id); |
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509 | my $value = $obj->_get_c_field($attribute); |
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510 | if ($value) { |
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511 | if (ref $value) { |
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512 | foreach (@$value) { |
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513 | $values{$_} = 1; |
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514 | } |
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515 | } else { |
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516 | $values{$value} = 1; |
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517 | } |
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518 | } |
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519 | } |
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520 | return sort(keys %values); |
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521 | } |
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522 | |
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523 | =head2 find_next_numeric_id ($base, $field, $min, $max) |
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524 | |
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525 | Find next free uniq id for attribute C<$field> |
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526 | |
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527 | =cut |
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528 | |
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529 | sub find_next_numeric_id { |
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530 | my ($class, $base, $field, $min, $max) = @_; |
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531 | $base->attribute($class->type, $field) or return; |
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532 | $min ||= |
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533 | $field eq 'uidNumber' ? 500 : |
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534 | $field eq 'gidNumber' ? 500 : |
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535 | 1; |
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536 | $max ||= 65635; |
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537 | $base->log(LA_DEBUG, "Trying to find %s in range %d - %d", |
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538 | $field, $min, $max); |
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539 | my %existsid; |
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540 | $base->temp_switch_unexported(sub { |
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541 | foreach ($base->list_objects($class->type)) { |
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542 | my $obj = $base->get_object($class->type, $_) or next; |
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543 | my $id = $obj->_get_c_field($field) or next; |
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544 | $existsid{$id + 0} = 1; |
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545 | } |
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546 | }, 1); |
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547 | $min += 0; |
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548 | $max += 0; |
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549 | for(my $i = $min; $i <= $max; $i++) { |
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550 | $existsid{$i + 0} or do { |
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551 | $base->log(LA_DEBUG, "Next %s found: %d", $field, $i); |
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552 | return $i; |
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553 | }; |
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554 | } |
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555 | return; |
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556 | } |
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557 | |
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558 | =head2 text_dump ($handle, $config, $base) |
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559 | |
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560 | Dump object into C<$handle> |
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561 | |
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562 | =cut |
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563 | |
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564 | sub text_dump { |
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565 | my ($self, $handle, $config, $base) = @_; |
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566 | print $handle $self->dump($config, $base); |
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567 | return 1; |
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568 | } |
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569 | |
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570 | =head2 dump |
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571 | |
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572 | Return dump for tihs object |
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573 | |
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574 | =cut |
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575 | |
---|
576 | sub dump { |
---|
577 | my ($self, $config, $base) = @_; |
---|
578 | |
---|
579 | my $otype = $self->type; |
---|
580 | $base ||= $self->base; |
---|
581 | my $dump; |
---|
582 | if (ref $self) { |
---|
583 | $dump .= sprintf "# base %s: object %s/%s\n", |
---|
584 | $base->label, $self->type, $self->id; |
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585 | } |
---|
586 | $dump .= sprintf "# %s\n", scalar(localtime); |
---|
587 | |
---|
588 | foreach my $attr (sort { $a cmp $b } $base->list_canonical_fields($otype, |
---|
589 | $config->{only_rw} ? 'rw' : 'r')) { |
---|
590 | my $oattr = ref $self ? $self->attribute($attr) : $base->attribute($otype, $attr); |
---|
591 | if (ref $self) { |
---|
592 | my $val = $self->get_c_field($attr); |
---|
593 | if ($val || $config->{empty_attr}) { |
---|
594 | if (my @allowed = $base->obj_attr_allowed_values($otype, $attr)) { |
---|
595 | $dump .= sprintf("# %s must be%s: %s\n", |
---|
596 | $attr, |
---|
597 | ($oattr->mandatory ? '' : ' empty or either'), |
---|
598 | join(', ', @allowed) |
---|
599 | ); |
---|
600 | } |
---|
601 | my @vals = ref $val ? @{ $val } : $val; |
---|
602 | foreach (@vals) { |
---|
603 | $_ ||= ''; |
---|
604 | s/\r?\n/\\n/g; |
---|
605 | $dump .= sprintf("%s%s:%s\n", |
---|
606 | $oattr->ro ? '# (ro) ' : '', |
---|
607 | $attr, $_ ? " $_" : ''); |
---|
608 | } |
---|
609 | } |
---|
610 | } else { |
---|
611 | if (my @allowed = $base->obj_attr_allowed_values($otype, $attr)) { |
---|
612 | $dump .= sprintf("# %s must be empty or either: %s\n", |
---|
613 | $attr, |
---|
614 | join(', ', @allowed) |
---|
615 | ); |
---|
616 | } |
---|
617 | $dump .= sprintf("%s%s: %s\n", |
---|
618 | $oattr->ro ? '# (ro) ' : '', |
---|
619 | $attr, ''); |
---|
620 | } |
---|
621 | } |
---|
622 | return $dump; |
---|
623 | } |
---|
624 | |
---|
625 | 1; |
---|
626 | |
---|
627 | __END__ |
---|
628 | |
---|
629 | |
---|
630 | =head1 SEE ALSO |
---|
631 | |
---|
632 | L<LATMOS::Accounts::Bases> |
---|
633 | |
---|
634 | =head1 AUTHOR |
---|
635 | |
---|
636 | Thauvin Olivier, E<lt>olivier.thauvin.ipsl.fr@localdomainE<gt> |
---|
637 | |
---|
638 | =head1 COPYRIGHT AND LICENSE |
---|
639 | |
---|
640 | Copyright (C) 2009 by Thauvin Olivier |
---|
641 | |
---|
642 | This library is free software; you can redistribute it and/or modify |
---|
643 | it under the same terms as Perl itself, either Perl version 5.10.0 or, |
---|
644 | at your option, any later version of Perl 5 you may have available. |
---|
645 | |
---|
646 | =cut |
---|