aboutsummaryrefslogtreecommitdiffstats
path: root/include/poller.php
blob: 08028cdeed56200f6b0e3f0e0ab7ea9fe53bbcd5 (plain) (blame)
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
<?php


require_once('boot.php');

$a = new App;

@include('.htconfig.php');
require_once('dba.php');
$db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
	unset($db_host, $db_user, $db_pass, $db_data);

require_once('session.php');
require_once('datetime.php');
require_once('simplepie/simplepie.inc');
require_once('include/items.php');

if($argc < 2)
	exit;

	$a->set_baseurl($argv[1]);

	$contacts = q("SELECT * FROM `contact` WHERE `dfrn-id` != '' AND `self` = 0 ORDER BY RAND()");

	if(! count($contacts))
		killme();

	foreach($contacts as $contact) {

		$importer_uid = $contact['uid'];

		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
			intval($importer_uid)
		);
		if(! count($r))
			continue;

		$importer = $r[0];

		$last_update = (($contact['last-update'] == '0000-00-00 00:00:00') 
			? datetime_convert('UTC','UTC','now - 30 days','Y-m-d\TH:i:s\Z')
			: datetime_convert('UTC','UTC',$contact['last-update'],'Y-m-d\TH:i:s\Z'));

		$url = $contact['poll'] . '?dfrn_id=' . $contact['dfrn-id'] . '&type=data&last_update=' . $last_update ;

		$xml = fetch_url($url);

		if(! $xml)
			continue;

		$res = simplexml_load_string($xml);

		if((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $contact['dfrn-id']))
			continue;

		$postvars = array();

		$postvars['dfrn_id'] = $contact['dfrn-id'];
		$challenge = hex2bin($res->challenge);

		openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);

		$xml = post_url($contact['poll'],$postvars);
		if(! strlen($xml))
			continue;

echo "XML response:" . $xml . "\r\n";
echo "Length:" . strlen($xml) . "\r\n";

		$feed = new SimplePie();
		$feed->set_raw_data($xml);
		$feed->enable_order_by_date(false);
		$feed->init();

		foreach($feed->get_items() as $item) {

			$rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
			print_r($rawdelete);
			if($deleted) {
				// pick out ref and when from attribs
				// check hasn't happened already, verify ownership and then process it


				continue;
			}

			$is_reply = false;		
			$item_id = $item->get_id();
			$rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
			if(isset($rawthread[0]['attribs']['']['ref'])) {
				$is_reply = true;
				$parent_uri = $rawthread[0]['attribs']['']['ref'];
			}


			if($is_reply) {

				// Have we seen it? If not, import it.

				$item_id = $item->get_id();

				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
					dbesc($item_id),
					intval($importer['uid'])
				);
				// FIXME update content if 'updated' changes
				if(count($r)) {
					$allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
					if($allow && $allow[0]['data'] != $r[0]['last-child']) {
						$r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
							intval($allow[0]['data']),
							dbesc($item_id),
							intval($importer['uid'])
						);
					}
					continue;
				}
				$datarray = get_atom_elements($item);
				$datarray['parent-uri'] = $parent_uri;
				$datarray['uid'] = $importer['uid'];
				$datarray['contact-id'] = $importer['id'];
				$r = post_remote($a,$datarray);
				continue;
			}

			else {
				// Head post of a conversation. Have we seen it? If not, import it.

				$item_id = $item->get_id();
				$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
					dbesc($item_id),
					intval($importer['uid'])
				);
				if(count($r)) {
					$allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
					if($allow && $allow[0]['data'] != $r[0]['last-child']) {
						$r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
							intval($allow[0]['data']),
							dbesc($item_id),
							intval($importer['uid'])
						);
					}
					continue;
				}

				$datarray = get_atom_elements($item);
				$datarray['parent-uri'] = $item_id;
				$datarray['uid'] = $importer['uid'];
				$datarray['contact-id'] = $importer['id'];
				$r = post_remote($a,$datarray);
				continue;

			}

		}

		$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
			dbesc(datetime_convert()),
			intval($contact['id'])
		);

	}
		
	killme();