1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
define('DEFAULT_RSS_LIMIT', 48);
class Rss10Action extends Action {
# This will contain the details of each feed item's author and be used to generate SIOC data.
var $creators = array();
function is_readonly() {
return true;
}
function handle($args) {
parent::handle($args);
$limit = (int) $this->trimmed('limit');
if ($limit == 0) {
$limit = DEFAULT_RSS_LIMIT;
}
$this->show_rss($limit);
}
function init() {
return true;
}
function get_notices() {
return array();
}
function get_channel() {
return array('url' => '',
'title' => '',
'link' => '',
'description' => '');
}
function get_image() {
return NULL;
}
function show_rss($limit=0) {
if (!$this->init()) {
return;
}
$notices = $this->get_notices($limit);
$this->init_rss();
$this->show_channel($notices);
$this->show_image();
foreach ($notices as $n) {
$this->show_item($n);
}
$this->show_creators();
$this->end_rss();
}
function show_channel($notices) {
$channel = $this->get_channel();
$image = $this->get_image();
common_element_start('channel', array('rdf:about' => $channel['url']));
common_element('title', NULL, $channel['title']);
common_element('link', NULL, $channel['link']);
common_element('description', NULL, $channel['description']);
common_element('cc:licence', array('rdf:resource' => common_config('license','url')));
if ($image) {
common_element('image', array('rdf:resource' => $image));
}
common_element_start('items');
common_element_start('rdf:Seq');
foreach ($notices as $notice) {
common_element('sioct:MicroblogPost', array('rdf:resource' => $notice->uri));
}
common_element_end('rdf:Seq');
common_element_end('items');
common_element_end('channel');
}
function show_image() {
$image = $this->get_image();
if ($image) {
$channel = $this->get_channel();
common_element_start('image', array('rdf:about' => $image));
common_element('title', NULL, $channel['title']);
common_element('link', NULL, $channel['link']);
common_element('url', NULL, $image);
common_element_end('image');
}
}
function show_item($notice) {
$profile = Profile::staticGet($notice->profile_id);
$nurl = common_local_url('shownotice', array('notice' => $notice->id));
$creator_uri = common_profile_uri($profile);
common_element_start('item', array('rdf:about' => $notice->uri));
$title = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
common_element('title', NULL, $title);
common_element('link', NULL, $nurl);
common_element('description', NULL, $profile->nickname."'s status on ".common_exact_date($notice->created));
common_element('dc:date', NULL, common_date_w3dtf($notice->created));
common_element('dc:creator', NULL, ($profile->fullname) ? $profile->fullname : $profile->nickname);
common_element('sioc:has_creator', array('rdf:resource' => $creator_uri));
common_element('laconica:postIcon', array('rdf:resource' => common_profile_avatar_url($profile)));
common_element('cc:licence', array('rdf:resource' => common_config('license', 'url')));
common_element_end('item');
$this->creators[$creator_uri] = $profile;
}
function show_creators() {
foreach ($this->creators as $uri => $profile) {
$id = $profile->id;
$nickname = $profile->nickname;
common_element_start('sioc:User', array('rdf:about' => $uri));
common_element('foaf:nick', NULL, $nickname);
if ($profile->fullname) {
common_element('foaf:name', NULL, $profile->fullname);
}
common_element('sioc:id', NULL, $id);
$avatar = common_profile_avatar_url($profile);
common_element('sioc:avatar', array('rdf:resource' => $avatar));
common_element_end('sioc:User');
}
}
function init_rss() {
$channel = $this->get_channel();
header('Content-Type: application/rdf+xml');
common_start_xml();
common_element_start('rdf:RDF', array('xmlns:rdf' =>
'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
'xmlns:dc' =>
'http://purl.org/dc/elements/1.1/',
'xmlns:cc' =>
'http://web.resource.org/cc/',
'xmlns:content' =>
'http://purl.org/rss/1.0/modules/content/',
'xmlns:foaf' =>
'http://xmlns.com/foaf/0.1/',
'xmlns:sioc' =>
'http://rdfs.org/sioc/ns#',
'xmlns:sioct' =>
'http://rdfs.org/sioc/types#',
'xmlns:laconica' =>
'http://laconi.ca/ont/',
'xmlns' => 'http://purl.org/rss/1.0/'));
common_element_start('sioc:Site', array('rdf:about' => common_root_url()));
common_element('sioc:name', NULL, common_config('site', 'name'));
common_element_start('sioc:container_of');
common_element('sioc:Container', array('rdf:about' =>
$channel['url']));
common_element_end('sioc:container_of');
common_element_end('sioc:Site');
}
function end_rss() {
common_element_end('rdf:RDF');
}
}
|
