annotate Lib/IMPL/Web/Security.pm @ 392:54b1dc9e808a

fixed web-resources access check
author sergey
date Fri, 14 Feb 2014 03:31:45 +0400
parents 2287c72f303a
children 69a1f1508696
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1 package IMPL::Web::Security;
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2 use strict;
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3
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4 use IMPL::Security::Auth qw(:Const);
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5 use IMPL::declare {
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6 require => {
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7 Exception => 'IMPL::Exception',
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8 NotImplementedException => '-IMPL::NotImplementedException',
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9 ArgException => '-IMPL::InvalidArgumentException',
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10 SecurityContext => 'IMPL::Security::AbstractContext'
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11 },
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12 };
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13
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14 use constant {
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15 ERR_NO_SUCH_USER => -1,
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16 ERR_NO_SEC_DATA => -2,
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17 ERR_NO_AUTHORITY => -3,
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18 ERR_NO_SEC_CONTEXT => -4,
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19 ERR_AUTH_FAIL => -5
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20 };
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21
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22 sub AuthUser {
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23 my ($this,$name,$challenge,$package) = @_;
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24
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25 $package ||= $this->interactiveAuthPackage;
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26
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27 my $user = $this->users->GetById($name)
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28 or return {
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29 status => AUTH_FAIL,
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30 code => ERR_NO_SUCH_USER
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31 };
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32
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33 my $auth;
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34 if ( my $secData = $user->GetSecData($package) ) {
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35 $auth = $package->new($secData);
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36 } else {
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37 return {
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38 status => AUTH_FAIL,
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39 code => ERR_NO_SEC_DATA,
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40 user => $user
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41 };
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42 }
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43
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44 return {
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45 status => AUTH_FAIL,
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46 code => ERR_NO_SEC_CONTEXT
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47 } unless SecurityContext->current;
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48
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49 return {
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50 status => AUTH_FAIL,
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51 code => ERR_NO_AUTHORITY
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52 } unless SecurityContext->current->authority;
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53
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54 my $status = SecurityContext->current->authority->InitSession(
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55 $user,
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56 [$user->roles],
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57 $auth,
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58 $challenge
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59 );
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60
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61 return {
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62 status => $status,
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63 code => ($status == AUTH_FAIL ? ERR_AUTH_FAIL : 0),
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64 user => $user
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65 };
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66 }
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67
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68 sub Logout {
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69 my ($this) = @_;
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70
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71 my $session = SecurityContext->current;
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72 if($session && $session->authority) {
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73 $session->authority->CloseSession($session);
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74
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75 $this->sessions->Delete($session);
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76 }
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77 }
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78
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79 sub CreateSecData {
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80 my ($this,$package,$params) = @_;
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81
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82 die ArgException->new(params => 'A hash reference is required')
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83 unless ref($params) eq 'HASH';
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84
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85 return $package->CreateSecData(%$params);
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86 }
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87
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88 1;
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89
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90 __END__
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91
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92 =pod
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93
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94 =head1 NAME
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95
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96 C<IMPL::Web::Security> Модуль для аутентификации и авторизации веб запроса.
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97
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98 =head1 DESCRIPTION
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99
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100 Текущий модуль обеспечивает функции верхнего уровня для работы с системой
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101 безопасности. Поскольку модуль является абстрактым, конкретные функции
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102 хранения и реализацию объектов модели безопасности должно обеспечить само
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103 приложение.
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104
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105 Сама система безопасности в веб приложении состоит из двух частей
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106
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107 =over
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108
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109 =item Модель системы безопасности
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110
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111 Предоставляет такие объкты безопасности, как пользователь, сессия роль,
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112 определяет правила проверки прав доступа субъекта к объекту.
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113
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114 =item Модуль безопасности
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115
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116 Контекст безопасности создается именно этим модулем.
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117
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118 Как правило встраивается в транспортный уровеь в виде обработчика
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119 C<IMPL::Web::Handler> и реализует непосредственно протокол аутентификации и
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120 обмена с пользователем.
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121
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122 Также модуль безопасности использует модель для хранения сессий и данных
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123 аутентификции.
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124
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125 =back
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126
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127 =head1 MEMBERS
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128
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129 =head2 C<AuthUser($name,$package,$challenge)>
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130
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131 Инициирует создание новой сессии используя провайдера безопасности текущего
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132 контекста безопасности.
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133
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134 =over
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135
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136 =item C<$name>
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137
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138 Имя пользователя, которое будет использоваться при поиске его в БД.
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139
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140 =item C<$package>
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141
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142 Имя модуля аутентификации, например, C<IMPL::Security::Auth::Simple>.
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143
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144 =item C<$challenge>
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145
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146 Данные, полученные от клиента, которые будут переданы модулю аутентификации для
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147 начала процесса аутентификации и создания сессии.
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148
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149 =back
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150
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151 Функция возвращает хеш с элементами
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152
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153 =over
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154
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155 =item C<status>
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156
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157 Статус аутентификации - отражает общее состояние процесса ацтентификации,
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158
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159 =over
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160
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161 =item C<AUTH_FAIL>
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162
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163 Аутентификация неудачная, сессия не создана.
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164
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165 =item C<AUTH_INCOMPLETE>
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166
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167 Аутентификация требует дополнительных шагов, сессия создана, но еще не доверена.
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168
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169 =item C<AUTH_SUCCESS>
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170
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171 Аутентификация успешно проведена, сессия создана.
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172
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173 =back
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174
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175 =item C<code>
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176
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177 =back
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178
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179 =cut