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