1 | package LATMOS::Accounts::Bases; |
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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::Bases::Objects; |
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7 | use LATMOS::Accounts::Bases::Attributes; |
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8 | use LATMOS::Accounts::Log; |
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9 | use LATMOS::Accounts::Utils qw(exec_command to_ascii); |
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10 | |
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11 | our $VERSION = (q$Rev$ =~ /^Rev: (\d+) /)[0]; |
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12 | |
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13 | =head1 NAME |
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14 | |
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15 | LATMOS::Accounts::Bases - Base class for account data bases |
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16 | |
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17 | =head1 SYNOPSIS |
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18 | |
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19 | use LATMOS::Accounts::Bases; |
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20 | my $base = LATMOS::Accounts::Bases->new('type', %options); |
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21 | ... |
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22 | |
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23 | =head1 DESCRIPTION |
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24 | |
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25 | This module provide basic functions for various account base |
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26 | |
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27 | =head1 FUNCTIONS |
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28 | |
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29 | =cut |
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30 | |
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31 | =head2 new($type, %options) |
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32 | |
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33 | Return, if success, a new data base account object, $type is |
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34 | account base type, %options to setup the base. |
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35 | |
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36 | =cut |
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37 | |
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38 | sub new { |
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39 | my ($class, $type, $options) = @_; |
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40 | |
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41 | my $pclass = ucfirst(lc($type)); |
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42 | eval "require LATMOS::Accounts::Bases::$pclass;"; |
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43 | if ($@) { |
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44 | la_log(LA_DEBUG, "Failed to load base type `%s': %s", $type, $@); |
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45 | return |
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46 | } |
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47 | my $base = "LATMOS::Accounts::Bases::$pclass"->new(%{$options->{params}}) |
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48 | or return; |
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49 | $base->{_type} = lc($pclass); |
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50 | $base->{_label} = $options->{label}; |
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51 | $base->{_options} = $options->{params}; |
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52 | $base->{wexported} = 0; |
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53 | $base->{defattr} = $options->{defattr}; |
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54 | $base->{_acls} = $options->{acls}; |
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55 | $base->{_allowed_values} = $options->{allowed_values}; |
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56 | $base->{_la} = $options->{la}; |
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57 | la_log(LA_DEBUG, 'Instanciate base %s (%s)', ($base->label || 'N/A'), $pclass); |
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58 | $base |
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59 | } |
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60 | |
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61 | =head2 wexported |
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62 | |
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63 | See L</unexported> |
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64 | |
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65 | =cut |
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66 | |
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67 | sub wexported { unexported(@_) } |
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68 | |
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69 | =head2 unexported ($wexported) |
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70 | |
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71 | Set base to report unexported object or not |
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72 | |
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73 | =cut |
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74 | |
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75 | sub unexported { |
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76 | my ($self, $wexported) = @_; |
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77 | my $old = $self->{wexported}; |
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78 | if (defined($wexported)) { |
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79 | $self->{wexported} = $wexported; |
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80 | $self->log(LA_DEBUG, "Switching exported mode: %s => %s", $old, |
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81 | $wexported); |
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82 | } |
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83 | return($old || 0); |
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84 | } |
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85 | |
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86 | =head2 temp_switch_unexported($CODE, $value) |
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87 | |
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88 | Switch the base to unexported mode given by C<$value>, run C<$CODE>, restore |
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89 | back the previous state and return the result of code ref. |
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90 | |
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91 | =cut |
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92 | |
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93 | sub temp_switch_unexported (&;$) { |
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94 | my ($self, $sub, $value) = @_; |
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95 | |
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96 | my $old = $self->unexported($value || 0); |
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97 | my $res = $sub->(); |
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98 | $self->unexported($old); |
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99 | return $res; |
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100 | } |
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101 | |
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102 | =head2 log($level, $msg, $arg) |
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103 | |
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104 | Log a message prefixed by database information |
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105 | |
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106 | =cut |
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107 | |
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108 | sub log { |
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109 | my ($self, $level, $msg, @args) = @_; |
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110 | my $prefix = 'Base(' . $self->type . '/' . $self->label . ')'; |
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111 | LATMOS::Accounts::Log::la_log($level, "$prefix $msg", @args); |
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112 | } |
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113 | |
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114 | =head2 logChanges($otype, $name, $ref, $changetype, $message, @args) |
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115 | |
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116 | Functions to report back |
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117 | |
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118 | =cut |
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119 | |
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120 | sub ReportChange { |
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121 | my ($self, $otype, $name, $ref, $changetype, $message, @args) = @_; |
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122 | |
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123 | } |
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124 | |
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125 | =head2 label |
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126 | |
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127 | Return the database label |
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128 | |
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129 | =cut |
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130 | |
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131 | sub label { |
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132 | $_[0]->{_label} || 'NoLabel'; |
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133 | } |
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134 | |
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135 | =head2 type |
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136 | |
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137 | Return the type of the base |
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138 | |
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139 | =cut |
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140 | |
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141 | sub type { |
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142 | $_[0]->{_type}; |
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143 | } |
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144 | |
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145 | =head2 la |
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146 | |
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147 | return LATMOS::Accounts object parent to the base |
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148 | |
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149 | =cut |
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150 | |
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151 | sub la { $_[0]->{_la} }; |
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152 | |
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153 | =head2 config ($opt) |
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154 | |
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155 | Return options from config |
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156 | |
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157 | =cut |
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158 | |
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159 | sub config { |
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160 | my ($self, $opt) = @_; |
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161 | return $self->{_options}{$opt}; |
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162 | } |
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163 | |
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164 | =head2 list_supported_objects(@otype) |
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165 | |
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166 | Return a list of supported object |
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167 | |
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168 | @type is an additionnal list of objects to check |
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169 | |
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170 | =cut |
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171 | |
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172 | sub list_supported_objects { |
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173 | my ($self, @otype) = @_; |
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174 | my %res; |
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175 | foreach my $inc (@INC) { |
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176 | my $sub = 'LATMOS::Accounts::Bases::' . ucfirst($self->type); |
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177 | $sub =~ s/::/\//g; |
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178 | foreach (glob("$inc/$sub/[A-Z]*.pm")) { |
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179 | s/.*\///; |
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180 | s/\.pm$//; |
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181 | $res{lc($_)} = 1; |
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182 | } |
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183 | } |
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184 | $res{$_} = 1 foreach(@otype); |
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185 | my @sobj = grep { $self->is_supported_object($_) } keys %res; |
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186 | la_log(LA_DEBUG, "Base %s supported objects: %s", $self->type, join(', ', @sobj)); |
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187 | return @sobj; |
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188 | } |
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189 | |
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190 | =head2 ordered_objects |
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191 | |
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192 | Return supported object type ordered in best order for synchronisation |
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193 | |
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194 | =cut |
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195 | |
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196 | sub ordered_objects { |
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197 | my ($self) = @_; |
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198 | |
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199 | my %deps; |
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200 | my %maxdeps; |
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201 | my @objs = sort { $b cmp $a } $self->list_supported_objects; |
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202 | foreach my $obj (@objs) { |
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203 | foreach my $at ($self->list_canonical_fields($obj)) { |
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204 | my $attr = $self->attribute($obj, $at); |
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205 | $attr->ro and next; |
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206 | $attr->{delayed} and next; |
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207 | if (my $res = $attr->reference) { |
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208 | $deps{$obj}{$res} ||= 1; |
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209 | if ($attr->mandatory) { |
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210 | $deps{$obj}{$res} = 2; |
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211 | $maxdeps{$res} = 1; |
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212 | } |
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213 | } |
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214 | } |
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215 | } |
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216 | |
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217 | sort { |
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218 | if (keys %{$deps{$a} || {}}) { |
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219 | if (keys %{$deps{$b} || {}}) { |
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220 | return ( |
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221 | ($deps{$a}{$b} || 0) > ($deps{$b}{$a} || 0) ? 1 : |
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222 | ($deps{$b}{$a} || 0) > ($deps{$a}{$b} || 0) ? -1 : |
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223 | ($maxdeps{$b} || 0) - ($maxdeps{$a} || 0) |
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224 | ); |
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225 | } else { |
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226 | return 1; |
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227 | } |
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228 | } elsif (keys %{$deps{$b} || {}}) { |
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229 | return -1; |
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230 | } else { |
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231 | return ($maxdeps{$b} || 0) - ($maxdeps{$a} || 0) |
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232 | } |
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233 | } @objs; |
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234 | } |
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235 | |
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236 | sub _load_obj_class { |
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237 | my ($self, $otype) = @_; |
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238 | |
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239 | # finding perl class: |
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240 | my $pclass = ref $self; |
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241 | $pclass .= '::' . ucfirst(lc($otype)); |
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242 | eval "require $pclass;"; |
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243 | if ($@) { |
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244 | $self->log(LA_DEBUG, 'Cannot load perl class %s', $pclass); |
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245 | return |
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246 | } # error message ? |
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247 | return $pclass; |
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248 | } |
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249 | |
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250 | |
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251 | =head2 is_supported_object($otype) |
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252 | |
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253 | Return true is object type $otype is supported |
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254 | |
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255 | =cut |
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256 | |
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257 | sub is_supported_object { |
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258 | my ($self, $otype) = @_; |
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259 | |
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260 | if (my $pclass = $self->_load_obj_class($otype)) { |
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261 | if ($pclass->can('is_supported')) { |
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262 | return $pclass->is_supported($self); |
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263 | } else { |
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264 | return 1; |
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265 | } |
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266 | } else { |
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267 | return 0; |
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268 | } |
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269 | } |
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270 | |
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271 | =head2 list_objects($otype) |
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272 | |
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273 | Return the list of UID for object of $otype. |
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274 | |
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275 | =cut |
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276 | |
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277 | sub list_objects { |
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278 | my ($self, $otype) = @_; |
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279 | my $pclass = $self->_load_obj_class($otype) or return; |
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280 | $pclass->list($self); |
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281 | } |
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282 | |
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283 | =head2 get_object($type, $id) |
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284 | |
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285 | Return an object of $type (typically user or group) having identifier |
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286 | $id. |
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287 | |
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288 | =cut |
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289 | |
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290 | sub get_object { |
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291 | my ($self, $otype, $id) = @_; |
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292 | |
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293 | return LATMOS::Accounts::Bases::Objects->_new($self, $otype, $id); |
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294 | } |
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295 | |
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296 | =head2 create_object($type, $id, %data) |
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297 | |
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298 | Create and return an object of type $type with unique id |
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299 | $id having %data. |
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300 | |
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301 | This method should be provided by the data base handler. |
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302 | |
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303 | =cut |
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304 | |
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305 | sub create_object { |
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306 | my ($self, $otype, $id, %data) = @_; |
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307 | "$id" or do { |
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308 | $self->log(LA_ERR, "Cannot create %s object with empty id", |
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309 | $otype); |
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310 | return; |
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311 | }; |
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312 | my $pclass = $self->_load_obj_class($otype) or do { |
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313 | $self->log(LA_ERR, "Cannot create %s object type (cannot load class)", |
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314 | $otype); |
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315 | return; |
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316 | }; |
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317 | if ($pclass->_create($self, $id, %data)) { |
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318 | la_log(LA_INFO, |
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319 | 'Object %s (%s) created in base %s (%s)', |
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320 | $id, $otype, $self->label, $self->type |
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321 | ); |
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322 | } else { |
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323 | la_log(LA_ERR, |
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324 | 'Object creation %s (%s) in base %s (%s) failed', |
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325 | $id, $otype, $self->label, $self->type |
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326 | ); |
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327 | return; |
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328 | }; |
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329 | $self->get_object($otype, $id); |
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330 | } |
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331 | |
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332 | =head2 create_c_object($type, $id, %data) |
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333 | |
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334 | Create and return an object of type $type with unique id |
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335 | $id having %data using canonical fields |
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336 | |
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337 | =cut |
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338 | |
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339 | sub create_c_object { |
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340 | my ($self, $otype, $id, %cdata) = @_; |
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341 | $self->check_acl($otype, '@CREATE', 'w') or do { |
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342 | $self->log(LA_WARN, 'permission denied to create object type %s', |
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343 | $otype); |
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344 | return; |
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345 | }; |
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346 | |
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347 | $self->_create_c_object($otype, $id, %cdata); |
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348 | } |
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349 | |
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350 | =head2 compute_default($otype, $id, %cdata) |
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351 | |
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352 | Return a hash containing value to set for new object |
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353 | |
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354 | =cut |
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355 | |
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356 | sub compute_default { |
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357 | my ($self, $otype, $id, %cdata) = @_; |
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358 | |
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359 | my %default; |
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360 | foreach my $def (keys %{ $self->{defattr} || {}}) { |
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361 | if ($def =~ /^$otype\.(.*)$/) { |
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362 | $default{$1} = $self->{defattr}{$def} if(!$cdata{$1}); |
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363 | } |
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364 | } |
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365 | |
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366 | # computed default value (not a simple set) |
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367 | if (lc($otype) eq 'user') { |
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368 | if (!$cdata{homeDirectory}) { |
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369 | $default{homeDirectory} = $self->{defattr}{'user.homebase'} |
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370 | ? $self->{defattr}{'user.homebase'} . "/$id" |
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371 | : ''; |
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372 | } |
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373 | |
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374 | if (!$cdata{uidNumber}) { |
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375 | $default{uidNumber} ||= $self->find_next_numeric_id('user', 'uidNumber', |
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376 | $self->{defattr}{'user.min_uid'}, $self->{defattr}{'user.max_uid'}); |
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377 | } |
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378 | |
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379 | my $mailid = $cdata{givenName} && $cdata{sn} |
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380 | ? sprintf('%s.%s', |
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381 | to_ascii(lc($cdata{givenName})), |
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382 | to_ascii(lc($cdata{sn})),) |
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383 | : undef; |
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384 | $mailid =~ s/\s+/-/g if($mailid); |
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385 | |
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386 | if ($mailid && |
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387 | $self->is_supported_object('aliases') && |
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388 | ! $self->get_object('aliases', $mailid)) { |
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389 | if (my $attr = $self->attribute($otype, 'mail')) { |
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390 | if ((!$attr->ro) && $self->{defattr}{'user.maildomain'}) { |
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391 | $default{mail} ||= sprintf('%s@%s', |
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392 | $mailid, |
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393 | $self->{defattr}{'user.maildomain'}); |
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394 | } |
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395 | } |
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396 | if (my $attr = $self->attribute($otype, 'aliases')) { |
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397 | $default{aliases} ||= $mailid unless ($attr->ro); |
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398 | } |
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399 | if (my $attr = $self->attribute($otype, 'revaliases')) { |
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400 | $default{revaliases} ||= $mailid unless ($attr->ro); |
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401 | } |
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402 | } |
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403 | } elsif (lc($otype) eq 'group') { |
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404 | if (!$cdata{gidNumber}) { |
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405 | $default{gidNumber} ||= $self->find_next_numeric_id( |
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406 | 'group', 'gidNumber', |
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407 | $self->{defattr}{'group.min_gid'}, |
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408 | $self->{defattr}{'group.max_gid'} |
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409 | ); |
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410 | } |
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411 | } |
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412 | |
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413 | return %default; |
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414 | } |
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415 | |
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416 | sub _create_c_object { |
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417 | my ($self, $otype, $id, %cdata) = @_; |
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418 | |
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419 | $id ||= ''; # Avoid undef |
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420 | |
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421 | if (my $chk = ( |
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422 | lc($otype) eq 'user' || lc($otype) eq 'group') |
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423 | ? LATMOS::Accounts::Utils::check_ug_validity($id) |
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424 | : LATMOS::Accounts::Utils::check_oid_validity($id)) { |
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425 | $self->log(LA_ERR, "Cannot create $otype with ID $id `%s:'", $chk); |
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426 | return; |
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427 | } |
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428 | foreach my $cfield (keys %cdata) { |
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429 | $self->check_allowed_values($otype, $cfield, $cdata{$cfield}) or do { |
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430 | $self->log(LA_ERR, "Cannot create $otype, wrong value"); |
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431 | return; |
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432 | }; |
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433 | } |
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434 | |
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435 | # populating default value |
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436 | { |
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437 | my %default = $self->compute_default($otype, $id, %cdata); |
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438 | foreach my $k (keys %default) { |
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439 | $cdata{$k} = $default{$k}; |
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440 | } |
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441 | } |
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442 | |
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443 | my %data; |
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444 | foreach my $cfield (keys %cdata) { |
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445 | my $attribute = $self->attribute($otype, $cfield) or next; |
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446 | $attribute->ro and next; |
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447 | $data{$attribute->iname} = $cdata{$cfield}; |
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448 | } |
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449 | #keys %data or return 0; # TODO: return an error ? |
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450 | my $obj = $self->create_object($otype, $id, %data); |
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451 | $obj->ReportChange('Create', 'Object created'); |
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452 | $obj |
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453 | } |
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454 | |
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455 | sub _allowed_values { |
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456 | $_[0]->{_allowed_values} |
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457 | } |
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458 | |
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459 | =head2 obj_attr_allowed_values ($otype, $attr) |
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460 | |
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461 | Return value allowed for this attribute |
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462 | |
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463 | =cut |
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464 | |
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465 | sub obj_attr_allowed_values { |
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466 | my ($self, $otype, $attr) = @_; |
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467 | if ($self->_allowed_values && |
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468 | $self->_allowed_values->SectionExists("$otype.$attr")) { |
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469 | return grep { defined($_) } $self->_allowed_values->val("$otype.$attr", 'allowed'); |
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470 | } |
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471 | return(); |
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472 | } |
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473 | |
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474 | =head2 check_allowed_values ($otype, $attr, $attrvalues) |
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475 | |
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476 | Check attributes C<$attr> of object type C<$otype> allow values C<$attrvalues> |
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477 | |
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478 | =cut |
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479 | |
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480 | sub check_allowed_values { |
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481 | my ($self, $otype, $attr, $attrvalues) = @_; |
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482 | $self->_allowed_values or return 1; |
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483 | my @values = ref $attrvalues ? @{ $attrvalues } : $attrvalues; |
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484 | foreach my $value (@values) { |
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485 | $value or next; |
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486 | if (my @allowed = $self->obj_attr_allowed_values($otype, $attr)) { |
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487 | grep { $value eq $_ } @allowed or do { |
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488 | $self->log(LA_ERR, |
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489 | "value `%s' is not allow for %s.%s per configuration (allowed_values)", |
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490 | $value, $otype, $attr |
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491 | ); |
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492 | return; |
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493 | }; |
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494 | } |
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495 | } |
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496 | return 1; |
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497 | } |
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498 | |
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499 | =head2 list_canonical_fields($otype, $for) |
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500 | |
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501 | Return the list of supported fields by the database for object type $otype. |
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502 | |
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503 | Optionnal $for specify the goal for which the list is requested, only supported |
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504 | fields will be returns |
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505 | |
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506 | =cut |
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507 | |
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508 | sub list_canonical_fields { |
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509 | my ($self, $otype, $for) = @_; |
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510 | $for ||= 'rw'; |
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511 | my $pclass = $self->_load_obj_class($otype) or return; |
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512 | sort $pclass->_canonical_fields($self, $for); |
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513 | } |
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514 | |
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515 | sub _get_attr_schema { |
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516 | my ($self, $otype) = @_; |
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517 | my $pclass = $self->_load_obj_class($otype) or return; |
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518 | return $pclass->_get_attr_schema($self); |
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519 | } |
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520 | |
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521 | =head2 get_attr_schema |
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522 | |
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523 | Deprecated |
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524 | |
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525 | =cut |
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526 | |
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527 | # TODO: kill this |
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528 | |
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529 | sub get_attr_schema { |
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530 | my ($self, $otype, $attribute) = @_; |
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531 | my $info = $self->_get_attr_schema($otype); |
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532 | if ($info->{$attribute}) { |
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533 | return $info->{$attribute}; |
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534 | } else { |
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535 | return; |
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536 | } |
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537 | } |
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538 | |
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539 | =head2 attribute($otype, $attribute) |
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540 | |
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541 | Return attribute object. |
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542 | |
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543 | See L<LATMOS::Accounts::Bases::Attribute> |
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544 | |
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545 | =cut |
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546 | |
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547 | sub attribute { |
---|
548 | my ($self, $otype, $attribute) = @_; |
---|
549 | |
---|
550 | my $attrinfo; |
---|
551 | if (!ref $attribute) { |
---|
552 | $attrinfo = $self->get_attr_schema($otype, $attribute) |
---|
553 | or return; |
---|
554 | $attrinfo->{name} = $attribute; |
---|
555 | } else { |
---|
556 | $attrinfo = $attribute; |
---|
557 | } |
---|
558 | |
---|
559 | return LATMOS::Accounts::Bases::Attributes->new( |
---|
560 | $attrinfo, |
---|
561 | $self, |
---|
562 | $otype, |
---|
563 | ); |
---|
564 | } |
---|
565 | |
---|
566 | =head2 delayed_fields |
---|
567 | |
---|
568 | DEPRECATED |
---|
569 | |
---|
570 | =cut |
---|
571 | |
---|
572 | # TODO: kill this |
---|
573 | |
---|
574 | sub delayed_fields { |
---|
575 | my ($self, $otype, $for) = @_; |
---|
576 | $self->log(LA_WARN, "calling DEPRECATED delayed_fields " . join(',', |
---|
577 | caller)); |
---|
578 | $for ||= 'rw'; |
---|
579 | my @attrs; |
---|
580 | foreach ($self->list_canonical_fields($otype, $for)) { |
---|
581 | my $attr = $self->attribute($otype, $_) or next; |
---|
582 | $for =~ /w/ && $attr->ro and next; |
---|
583 | $attr->delayed or next; |
---|
584 | push(@attrs, $_); |
---|
585 | } |
---|
586 | @attrs |
---|
587 | } |
---|
588 | |
---|
589 | =head2 ochelper ($otype) |
---|
590 | |
---|
591 | Return L<LATMOS::Accounts::Bases::OChelper> object |
---|
592 | |
---|
593 | =cut |
---|
594 | |
---|
595 | sub ochelper { |
---|
596 | my ($self, $otype) = @_; |
---|
597 | my $pclass = ucfirst(lc($otype)); |
---|
598 | foreach my $class ( |
---|
599 | ref($self) . '::OCHelper::' . $pclass, |
---|
600 | ref($self) . '::OCHelper', |
---|
601 | "LATMOS::Accounts::Bases::OCHelper::$pclass", |
---|
602 | 'LATMOS::Accounts::Bases::OCHelper' ) { |
---|
603 | eval "require $class;"; |
---|
604 | if ($@) { next } # error message ? |
---|
605 | my $ochelper = "$class"->new($self, $otype); |
---|
606 | return $ochelper; |
---|
607 | } |
---|
608 | return; |
---|
609 | } |
---|
610 | |
---|
611 | =head2 delete_object($otype, $id) |
---|
612 | |
---|
613 | Destroy from data base object type $otype having id $id. |
---|
614 | |
---|
615 | =cut |
---|
616 | |
---|
617 | sub delete_object { |
---|
618 | my ($self, $otype, $id) = @_; |
---|
619 | my $obj = $self->get_object($otype, $id) or do { |
---|
620 | $self->log(LA_WARN, 'Cannot delete %s/%s: no such object', |
---|
621 | $otype, $id); |
---|
622 | return; |
---|
623 | }; |
---|
624 | $self->check_acl($obj, '@DELETE', 'w') or do { |
---|
625 | $self->log(LA_WARN, 'permission denied to delete %s/%s', |
---|
626 | $otype, $id); |
---|
627 | return; |
---|
628 | }; |
---|
629 | my $ref = $obj->Iid; |
---|
630 | if (my $res = $self->_delete_object($otype, $id)) { |
---|
631 | $self->ReportChange($otype, $id, $ref, 'Delete', 'Object deleted'); |
---|
632 | return $res; |
---|
633 | } |
---|
634 | return; |
---|
635 | } |
---|
636 | |
---|
637 | sub _delete_object { |
---|
638 | my ($self, $otype, $id) = @_; |
---|
639 | my $pclass = $self->_load_obj_class($otype); |
---|
640 | $pclass->_delete($self, $id); |
---|
641 | } |
---|
642 | |
---|
643 | =head2 rename_object($otype, $id, $newid) |
---|
644 | |
---|
645 | Rename an object. |
---|
646 | |
---|
647 | =cut |
---|
648 | |
---|
649 | sub rename_object { |
---|
650 | my ($self, $otype, $id, $newid) = @_; |
---|
651 | |
---|
652 | my $obj = $self->get_object($otype, $id) or do { |
---|
653 | $self->log(LA_WARN, 'Cannot rename %s/%s: no such object', |
---|
654 | $otype, $id); |
---|
655 | return; |
---|
656 | }; |
---|
657 | if (my $chk = (lc($otype) eq 'user' || lc($otype) eq 'group') |
---|
658 | ? LATMOS::Accounts::Utils::check_ug_validity($newid) |
---|
659 | : LATMOS::Accounts::Utils::check_oid_validity($newid)) { |
---|
660 | $self->log(LA_ERR, "Cannot rename $otype/$id to ID $newid `%s:'", $chk); |
---|
661 | return; |
---|
662 | } |
---|
663 | $self->check_acl($obj, '@DELETE', 'w') && |
---|
664 | $self->check_acl($obj, '@CREATE', 'w') or do { |
---|
665 | $self->log(LA_WARN, 'permission denied to rename %s/%s', |
---|
666 | $otype, $id); |
---|
667 | return; |
---|
668 | }; |
---|
669 | |
---|
670 | my $oldref = $obj->Iid; |
---|
671 | |
---|
672 | if (my $res = $self->_rename_object($otype, $id, $newid)) { |
---|
673 | my $newobj = $self->get_object($otype, $newid) or do { |
---|
674 | $self->log(LA_WARN, 'Cannot get object %s/%s: rename failed ?', |
---|
675 | $otype, $id); |
---|
676 | return; |
---|
677 | }; |
---|
678 | |
---|
679 | $self->ReportChange($otype, $id, $oldref, 'Rename', 'Object rename to %s', $newid); |
---|
680 | $newobj->ReportChange('Rename', 'Object renamed from %s', $id); |
---|
681 | return $res; |
---|
682 | } |
---|
683 | return; |
---|
684 | } |
---|
685 | |
---|
686 | sub _rename_object { |
---|
687 | my ($self, $otype, $id, $newid) = @_; |
---|
688 | my $pclass = $self->_load_obj_class($otype); |
---|
689 | $pclass->can('_rename') or do { |
---|
690 | $self->log(LA_ERR, 'rename object type %s is unsupported', $otype); |
---|
691 | return; |
---|
692 | }; |
---|
693 | $pclass->_rename($self, $id, $newid); |
---|
694 | } |
---|
695 | |
---|
696 | =head2 load |
---|
697 | |
---|
698 | Make account base loading data into memory if need. |
---|
699 | Should always be called, if database fetch data on the fly |
---|
700 | (SQL, LDAP), the function just return True. |
---|
701 | |
---|
702 | =cut |
---|
703 | |
---|
704 | sub load { 1 } |
---|
705 | |
---|
706 | =head2 is_transactionnal |
---|
707 | |
---|
708 | Return True is the database support commit and rollback |
---|
709 | |
---|
710 | =cut |
---|
711 | |
---|
712 | sub is_transactionnal { |
---|
713 | my ($self) = @_; |
---|
714 | return($self->can('_rollback') && $self->can('_commit')); |
---|
715 | } |
---|
716 | |
---|
717 | =head2 commit |
---|
718 | |
---|
719 | Save change into the database if change are not done immediately. |
---|
720 | This should always be called as you don't know when change are applied. |
---|
721 | |
---|
722 | Return always true if database does not support any transaction. |
---|
723 | |
---|
724 | The driver should provides a _commit functions to save data. |
---|
725 | |
---|
726 | =cut |
---|
727 | |
---|
728 | sub commit { |
---|
729 | my ($self) = @_; |
---|
730 | if ($self->can('_commit')) { |
---|
731 | la_log(LA_DEBUG, 'Commiting data'); |
---|
732 | if (!(my $res = $self->_commit)) { |
---|
733 | la_log(LA_ERR, "Commit error on %s", $_->label); |
---|
734 | return $res; |
---|
735 | } |
---|
736 | } |
---|
737 | |
---|
738 | $self->postcommit(); |
---|
739 | |
---|
740 | return 1; |
---|
741 | } |
---|
742 | |
---|
743 | =head2 postcommit |
---|
744 | |
---|
745 | Run postcommit command |
---|
746 | |
---|
747 | =cut |
---|
748 | |
---|
749 | sub postcommit { |
---|
750 | my ($self) = @_; |
---|
751 | |
---|
752 | if ($self->{_options}{postcommit}) { |
---|
753 | exec_command($self->{_options}{postcommit}, |
---|
754 | { |
---|
755 | BASE => $self->label, |
---|
756 | BASETYPE => $self->type, |
---|
757 | HOOK_TYPE => 'POST', |
---|
758 | CONFIG => $self->{_options}{configdir}, |
---|
759 | } |
---|
760 | ); |
---|
761 | } else { |
---|
762 | return 1; |
---|
763 | } |
---|
764 | } |
---|
765 | |
---|
766 | =head2 rollback |
---|
767 | |
---|
768 | If database support transaction, rollback changes. Return false |
---|
769 | if database does not support. |
---|
770 | |
---|
771 | If supported, driver should provides a _rollback functions |
---|
772 | |
---|
773 | =cut |
---|
774 | |
---|
775 | sub rollback { |
---|
776 | my ($self) = @_; |
---|
777 | if ($self->can('_rollback')) { |
---|
778 | la_log(LA_DEBUG, 'Rolling back data'); |
---|
779 | return $self->_rollback; |
---|
780 | } else { |
---|
781 | return 0; |
---|
782 | } |
---|
783 | } |
---|
784 | |
---|
785 | =head2 current_rev |
---|
786 | |
---|
787 | Return the current revision of the database |
---|
788 | |
---|
789 | Must be provide by base driver if incremental synchro is supported |
---|
790 | |
---|
791 | =cut |
---|
792 | |
---|
793 | sub current_rev { return } |
---|
794 | |
---|
795 | =head2 list_objects_from_rev($otype, $rev) |
---|
796 | |
---|
797 | Return the list of UID for object of $otype. |
---|
798 | |
---|
799 | =cut |
---|
800 | |
---|
801 | sub list_objects_from_rev { |
---|
802 | my ($self, $otype, $rev) = @_; |
---|
803 | my $pclass = $self->_load_obj_class($otype) or return; |
---|
804 | if (defined($rev) && $pclass->can('list_from_rev')) { |
---|
805 | return $pclass->list_from_rev($self, $rev); |
---|
806 | } else { |
---|
807 | # no support, return all objects... |
---|
808 | return $self->list_objects($otype); |
---|
809 | } |
---|
810 | } |
---|
811 | |
---|
812 | =head2 sync_object_from($srcbase, $otype, $id, %options) |
---|
813 | |
---|
814 | Sync object type C<$otype> C<$id> from base C<$srcbase> to current base. |
---|
815 | |
---|
816 | C<%options>: |
---|
817 | |
---|
818 | =over 4 |
---|
819 | |
---|
820 | =item nodelete |
---|
821 | |
---|
822 | Don't delete object if the object synchronize don't exist in source base |
---|
823 | |
---|
824 | =back |
---|
825 | |
---|
826 | =cut |
---|
827 | |
---|
828 | sub sync_object_from { |
---|
829 | my ($self, $srcbase, $otype, $id, %options) = @_; |
---|
830 | |
---|
831 | # is the object type supported by both |
---|
832 | foreach ($self, $srcbase) { |
---|
833 | $_->is_supported_object($otype) or return ''; |
---|
834 | } |
---|
835 | |
---|
836 | if (my $srcobj = $srcbase->get_object($otype, $id)) { |
---|
837 | return $self->sync_object($srcobj, %options); |
---|
838 | } elsif (!$options{nodelete}) { |
---|
839 | $self->_delete_object($otype, $id) and return 'DELETED'; |
---|
840 | } |
---|
841 | return; |
---|
842 | } |
---|
843 | |
---|
844 | =head2 sync_object |
---|
845 | |
---|
846 | Synchronise an object into this base |
---|
847 | |
---|
848 | =cut |
---|
849 | |
---|
850 | sub sync_object { |
---|
851 | my ($self, $srcobj, %options) = @_; |
---|
852 | $self->is_supported_object($srcobj->type) or return ''; |
---|
853 | my @fields = $options{attrs} |
---|
854 | ? @{ $options{attrs} } |
---|
855 | : $self->list_canonical_fields($srcobj->type, 'w'); |
---|
856 | my %data; |
---|
857 | foreach (@fields) { |
---|
858 | # check attribute exists in source: |
---|
859 | my $attr = $srcobj->attribute($_) or next; |
---|
860 | $attr->readable or next; |
---|
861 | if (! $options{onepass}) { |
---|
862 | if ($options{firstpass}) { |
---|
863 | $attr->delayed and next; |
---|
864 | } else { |
---|
865 | $attr->delayed or next; |
---|
866 | } |
---|
867 | } |
---|
868 | $data{$_} = $srcobj->_get_c_field($_); |
---|
869 | } |
---|
870 | if (my $dstobj = $self->get_object($srcobj->type, $srcobj->id)) { |
---|
871 | keys %data or return 'SYNCED'; |
---|
872 | foreach (keys %data) { |
---|
873 | if (!$dstobj->attribute($_) || |
---|
874 | $dstobj->attribute($_)->ro) { |
---|
875 | delete($data{$_}); |
---|
876 | } |
---|
877 | } |
---|
878 | my $res = $dstobj->_set_c_fields(%data); |
---|
879 | if (defined $res) { |
---|
880 | return $res ? 'SYNCED' : ''; |
---|
881 | } else { |
---|
882 | return; |
---|
883 | } |
---|
884 | } elsif(!$options{nocreate}) { |
---|
885 | if ((! $options{firstpass}) && (!$options{onepass})) { |
---|
886 | $self->log(LA_ERR, 'This is not first pass, creation wanted but denied'); |
---|
887 | return; |
---|
888 | } |
---|
889 | if ($self->_create_c_object($srcobj->type, $srcobj->id, %data)) { |
---|
890 | return 'CREATED' |
---|
891 | } else { |
---|
892 | return; |
---|
893 | } |
---|
894 | } else { |
---|
895 | # No error, but creation is denied |
---|
896 | return 'Creation skipped'; |
---|
897 | } |
---|
898 | |
---|
899 | return; |
---|
900 | } |
---|
901 | |
---|
902 | =head2 search_objects($otype, @filter) |
---|
903 | |
---|
904 | Search object according @filter. @filter is a list |
---|
905 | of field/value which should match. |
---|
906 | |
---|
907 | A default function is provided but each db driver can provide |
---|
908 | an optimize version. |
---|
909 | |
---|
910 | =cut |
---|
911 | |
---|
912 | sub search_objects { |
---|
913 | my ($self, $otype, @filter) = @_; |
---|
914 | my $pclass = $self->_load_obj_class($otype) or return; |
---|
915 | $pclass->search($self, @filter); |
---|
916 | } |
---|
917 | |
---|
918 | =head2 attributes_summary($otype, $attr) |
---|
919 | |
---|
920 | Return couple object id / value for attribute C<$attr> of object type C<$otype> |
---|
921 | |
---|
922 | This method is designed to be faster than fetching object one by one. |
---|
923 | |
---|
924 | =cut |
---|
925 | |
---|
926 | sub attributes_summary { |
---|
927 | my ($self, $otype, $attr) = @_; |
---|
928 | my $pclass = $self->_load_obj_class($otype) or return; |
---|
929 | $pclass->attributes_summary($self, $attr); |
---|
930 | } |
---|
931 | |
---|
932 | =head2 find_next_numeric_id($otype, $field, $min, $max) |
---|
933 | |
---|
934 | Return, if possible, next numeric id available (typically unix user UID). |
---|
935 | |
---|
936 | =cut |
---|
937 | |
---|
938 | sub find_next_numeric_id { |
---|
939 | my ($self, $otype, $field, $min, $max) = @_; |
---|
940 | my $pclass = $self->_load_obj_class($otype) or return; |
---|
941 | $pclass->find_next_numeric_id($self, $field, $min, $max); |
---|
942 | } |
---|
943 | |
---|
944 | =head2 authenticate_user($username, $passwd) |
---|
945 | |
---|
946 | Return true if authentication success. |
---|
947 | |
---|
948 | Must be override by driver if the base have a proper authentication method |
---|
949 | |
---|
950 | =cut |
---|
951 | |
---|
952 | sub authenticate_user { |
---|
953 | my ($self, $username, $passwd) = @_; |
---|
954 | $username or return; |
---|
955 | my $uobj = $self->get_object('user', $username) or do { |
---|
956 | la_log(LA_ERR, "Cannot authenticate non existing user $username"); |
---|
957 | return; |
---|
958 | }; |
---|
959 | |
---|
960 | if ($self->attribute('user', 'exported')) { |
---|
961 | if (!$uobj->_get_c_field('exported')) { |
---|
962 | la_log(LA_ERR, "User $username found but currently unexported"); |
---|
963 | return; |
---|
964 | } |
---|
965 | } |
---|
966 | |
---|
967 | if ($uobj->_get_c_field('expired')) { |
---|
968 | la_log(LA_ERR, "Account $username has expired (%s)", |
---|
969 | $uobj->_get_c_field('expired')); |
---|
970 | return; |
---|
971 | } |
---|
972 | |
---|
973 | if ($uobj->_get_c_field('locked')) { |
---|
974 | la_log(LA_ERR, "Account $username is currently locked"); |
---|
975 | return; |
---|
976 | } |
---|
977 | |
---|
978 | my $password = $uobj->get_field('userPassword') or do { |
---|
979 | la_log(LA_ERR, "Cannot authenticate user $username having no passwd"); |
---|
980 | return; |
---|
981 | }; |
---|
982 | if ($password eq crypt($passwd, $password)) { # crypt unix |
---|
983 | la_log(LA_NOTICE, "User $username authenticated"); |
---|
984 | return 1; |
---|
985 | } else { |
---|
986 | la_log(LA_ERR, "Cannot authenticate user $username"); |
---|
987 | return 0; |
---|
988 | } |
---|
989 | } |
---|
990 | |
---|
991 | =head2 connect($username, $password) |
---|
992 | |
---|
993 | Authenticate the user and store the username as connected |
---|
994 | |
---|
995 | =cut |
---|
996 | |
---|
997 | sub connect { |
---|
998 | my ($self, $username, $password) = @_; |
---|
999 | my $auth = $self->authenticate_user($username, $password); |
---|
1000 | if ($auth) { |
---|
1001 | $self->{_user} = $username; |
---|
1002 | la_log(LA_DEBUG, "Connected as $username"); |
---|
1003 | } |
---|
1004 | return $auth; |
---|
1005 | } |
---|
1006 | |
---|
1007 | =head2 user |
---|
1008 | |
---|
1009 | Return the current connected username |
---|
1010 | |
---|
1011 | =cut |
---|
1012 | |
---|
1013 | sub user { $_[0]->{_user} } |
---|
1014 | |
---|
1015 | =head2 check_acl($obj, $attr, $perm) |
---|
1016 | |
---|
1017 | Return true if connected user have C<$perm> permission on attribute C<$attr> of |
---|
1018 | object C<$obj>. |
---|
1019 | |
---|
1020 | =cut |
---|
1021 | |
---|
1022 | sub check_acl { |
---|
1023 | my ($self, $obj, $attr, $perm) = @_; |
---|
1024 | if ($self->{_acls}) { |
---|
1025 | my ($who, $groups) = ($self->user || ''); |
---|
1026 | if ($who && (my $uo = $self->get_object('user', $who))) { |
---|
1027 | $groups = [ $uo->_get_attributes('memberOf') ]; |
---|
1028 | } else { |
---|
1029 | $who = ''; |
---|
1030 | } |
---|
1031 | my $res = $self->{_acls}->check($obj, $attr, $perm, $who, $groups); |
---|
1032 | $self->log(LA_INFO, 'permission denied for "%s" to get %s.%s for %s', |
---|
1033 | $who, ref $obj ? $obj->id . '(' . $obj->type . ')' : $obj, $attr, $perm) if (!$res); |
---|
1034 | return $res; |
---|
1035 | } else { |
---|
1036 | # No acls, woot |
---|
1037 | return 1; |
---|
1038 | } |
---|
1039 | } |
---|
1040 | |
---|
1041 | =head2 text_empty_dump($fh, $otype, $options) |
---|
1042 | |
---|
1043 | Empty object dump |
---|
1044 | |
---|
1045 | =cut |
---|
1046 | |
---|
1047 | sub text_empty_dump { |
---|
1048 | my ($self, $fh, $otype, $options) = @_; |
---|
1049 | my $pclass = $self->_load_obj_class($otype) or return; |
---|
1050 | $pclass->text_dump($fh, $options, $self); |
---|
1051 | } |
---|
1052 | |
---|
1053 | 1; |
---|
1054 | |
---|
1055 | __END__ |
---|
1056 | |
---|
1057 | =head1 SEE ALSO |
---|
1058 | |
---|
1059 | =head1 AUTHOR |
---|
1060 | |
---|
1061 | Thauvin Olivier, E<lt>olivier.thauvin@latmos.ipsl.fr<gt> |
---|
1062 | |
---|
1063 | =head1 COPYRIGHT AND LICENSE |
---|
1064 | |
---|
1065 | Copyright (C) 2009 by Thauvin Olivier |
---|
1066 | |
---|
1067 | This library is free software; you can redistribute it and/or modify |
---|
1068 | it under the same terms as Perl itself, either Perl version 5.10.0 or, |
---|
1069 | at your option, any later version of Perl 5 you may have available. |
---|
1070 | |
---|
1071 | =cut |
---|