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1 | package Catalyst::Plugin::Session::State::Cookie; |
2 | use base qw/Catalyst::Plugin::Session::State/; |
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3 | |
4 | use strict; |
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5 | use warnings; |
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6 | |
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7 | use NEXT; |
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8 | use Catalyst::Utils (); |
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9 | |
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10 | our $VERSION = "0.02"; |
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11 | |
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12 | sub setup_session { |
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13 | my $c = shift; |
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14 | |
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15 | $c->NEXT::setup_session(@_); |
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16 | |
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17 | $c->config->{session}{cookie_name} |
18 | ||= Catalyst::Utils::appprefix($c) . '_session'; |
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19 | } |
20 | |
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21 | sub extend_session_id { |
22 | my ( $c, $sid, $expires ) = @_; |
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23 | |
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24 | if ( my $cookie = $c->get_session_cookie ) { |
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25 | $c->update_session_cookie( $c->make_session_cookie( $sid ) ); |
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26 | } |
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27 | |
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28 | $c->NEXT::extend_session_id( @_ ); |
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29 | } |
30 | |
31 | sub set_session_id { |
32 | my ( $c, $sid ) = @_; |
33 | |
34 | $c->update_session_cookie( $c->make_session_cookie( $sid ) ); |
35 | |
36 | return $c->NEXT::set_session_id(@_); |
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37 | } |
38 | |
39 | sub update_session_cookie { |
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40 | my ( $c, $updated ) = @_; |
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41 | my $cookie_name = $c->config->{session}{cookie_name}; |
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42 | $c->response->cookies->{$cookie_name} = $updated; |
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43 | } |
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44 | |
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45 | sub make_session_cookie { |
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46 | my ( $c, $sid, %attrs ) = @_; |
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47 | |
48 | my $cfg = $c->config->{session}; |
49 | my $cookie = { |
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50 | value => $sid, |
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51 | ( $cfg->{cookie_domain} ? ( domain => $cfg->{cookie_domain} ) : () ), |
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52 | %attrs, |
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53 | }; |
54 | |
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55 | unless ( exists $cookie->{expires} ) { |
56 | $cookie->{expires} = $c->calculate_session_cookie_expires(); |
57 | } |
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58 | |
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59 | $cookie->{secure} = 1 if $cfg->{cookie_secure}; |
60 | |
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61 | return $cookie; |
62 | } |
63 | |
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64 | sub calc_expiry { # compat |
65 | my $c = shift; |
66 | $c->NEXT::calc_expiry( @_ ) || $c->calculate_session_cookie_expires( @_ ); |
67 | } |
68 | |
69 | sub calculate_session_cookie_expires { |
70 | my $c = shift; |
71 | my $cfg = $c->config->{session}; |
72 | |
73 | my $value = $c->NEXT::calculate_session_cookie_expires(@_); |
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74 | return $value if $value; |
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75 | |
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76 | if ( exists $cfg->{cookie_expires} ) { |
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77 | if ( $cfg->{cookie_expires} > 0 ) { |
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78 | return time() + $cfg->{cookie_expires}; |
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79 | } |
80 | else { |
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81 | return undef; |
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82 | } |
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83 | } |
84 | else { |
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85 | return $c->session_expires; |
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86 | } |
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87 | } |
88 | |
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89 | sub get_session_cookie { |
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90 | my $c = shift; |
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91 | |
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92 | my $cookie_name = $c->config->{session}{cookie_name}; |
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93 | |
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94 | return $c->request->cookies->{$cookie_name}; |
95 | } |
96 | |
97 | sub get_session_id { |
98 | my $c = shift; |
99 | |
100 | if ( my $cookie = $c->get_session_cookie ) { |
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101 | my $sid = $cookie->value; |
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102 | $c->log->debug(qq/Found sessionid "$sid" in cookie/) if $c->debug; |
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103 | return $sid if $sid; |
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104 | } |
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105 | |
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106 | $c->NEXT::get_session_id(@_); |
107 | } |
108 | |
109 | sub delete_session_id { |
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110 | my ( $c, $sid ) = @_; |
111 | |
112 | $c->update_session_cookie( $c->make_session_cookie( $sid, expires => 0 ) ); |
113 | |
114 | $c->NEXT::delete_session_id($sid); |
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115 | } |
116 | |
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117 | __PACKAGE__ |
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118 | |
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119 | __END__ |
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120 | |
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121 | =pod |
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122 | |
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123 | =head1 NAME |
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124 | |
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125 | Catalyst::Plugin::Session::State::Cookie - Maintain session IDs using cookies. |
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126 | |
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127 | =head1 SYNOPSIS |
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128 | |
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129 | use Catalyst qw/Session Session::State::Cookie Session::Store::Foo/; |
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130 | |
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131 | =head1 DESCRIPTION |
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132 | |
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133 | In order for L<Catalyst::Plugin::Session> to work the session ID needs to be |
134 | stored on the client, and the session data needs to be stored on the server. |
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135 | |
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136 | This plugin stores the session ID on the client using the cookie mechanism. |
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137 | |
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138 | =head1 METHODS |
139 | |
140 | =over 4 |
141 | |
142 | =item make_session_cookie |
143 | |
144 | Returns a hash reference with the default values for new cookies. |
145 | |
146 | =item update_session_cookie $hash_ref |
147 | |
148 | Sets the cookie based on C<cookie_name> in the response object. |
149 | |
150 | =back |
151 | |
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152 | =head1 EXTENDED METHODS |
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153 | |
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154 | =over 4 |
155 | |
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156 | =item prepare_cookies |
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157 | |
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158 | Will restore if an appropriate cookie is found. |
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159 | |
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160 | =item finalize_cookies |
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161 | |
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162 | Will set a cookie called C<session> if it doesn't exist or if it's value is not |
163 | the current session id. |
164 | |
165 | =item setup_session |
166 | |
167 | Will set the C<cookie_name> parameter to it's default value if it isn't set. |
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168 | |
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169 | =back |
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170 | |
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171 | =head1 CONFIGURATION |
172 | |
173 | =over 4 |
174 | |
175 | =item cookie_name |
176 | |
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177 | The name of the cookie to store (defaults to C<Catalyst::Utils::apprefix($c) . '_session'>). |
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178 | |
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179 | =item cookie_domain |
180 | |
181 | The name of the domain to store in the cookie (defaults to current host) |
182 | |
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183 | =item cookie_expires |
184 | |
185 | Number of seconds from now you want to elapse before cookie will expire. |
186 | Set to 0 to create a session cookie, ie one which will die when the |
187 | user's browser is shut down. |
188 | |
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189 | =item cookie_secure |
190 | |
191 | If this attribute set true, the cookie will only be sent via HTTPS. |
192 | |
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193 | =back |
194 | |
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195 | =head1 CAVEATS |
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196 | |
197 | Sessions have to be created before the first write to be saved. For example: |
198 | |
199 | sub action : Local { |
200 | my ( $self, $c ) = @_; |
201 | $c->res->write("foo"); |
202 | $c->session( ... ); |
203 | ... |
204 | } |
205 | |
206 | Will cause a session ID to not be set, because by the time a session is |
207 | actually created the headers have already been sent to the client. |
208 | |
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209 | =head1 SEE ALSO |
210 | |
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211 | L<Catalyst>, L<Catalyst::Plugin::Session>. |
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212 | |
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213 | =head1 AUTHORS |
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214 | |
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215 | This module is derived from L<Catalyst::Plugin::Session::FastMmap> code, and |
216 | has been heavily modified since. |
217 | |
218 | Andrew Ford |
219 | Andy Grundman |
220 | Christian Hansen |
221 | Yuval Kogman, C<nothingmuch@woobling.org> |
222 | Marcus Ramberg |
223 | Sebastian Riedel |
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224 | |
225 | =head1 COPYRIGHT |
226 | |
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227 | This program is free software, you can redistribute it and/or modify it |
228 | under the same terms as Perl itself. |
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229 | |
230 | =cut |
231 | |
232 | 1; |