aboutsummaryrefslogtreecommitdiffstats
path: root/include/queue_fn.php
blob: 798ac36db1b225fe554c529f7cb0eb5f15c50f36 (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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
<?php /** @file */

function update_queue_item($id, $add_priority = 0) {
	logger('queue: requeue item ' . $id,LOGGER_DEBUG);
	$x = q("select outq_created, outq_posturl from outq where outq_hash = '%s' limit 1",
		dbesc($id)
	);
	if(! $x)
		return;


	$y = q("select min(outq_created) as earliest from outq where outq_posturl = '%s'",
		dbesc($x[0]['outq_posturl'])
	);

	// look for the oldest queue entry with this destination URL. If it's older than a couple of days,
	// the destination is considered to be down and only scheduled once an hour, regardless of the
	// age of the current queue item.

	$might_be_down = false;

	if($y)
		$might_be_down = ((datetime_convert('UTC','UTC',$y[0]['earliest']) < datetime_convert('UTC','UTC','now - 2 days')) ? true : false);


	// Set all other records for this destination way into the future. 
	// The queue delivers by destination. We'll keep one queue item for
	// this destination (this one) with a shorter delivery. If we succeed
	// once, we'll try to deliver everything for that destination.
	// The delivery will be set to at most once per hour, and if the 
	// queue item is less than 12 hours old, we'll schedule for fifteen
	// minutes. 

	$r = q("UPDATE outq SET outq_scheduled = '%s' WHERE outq_posturl = '%s'",
		dbesc(datetime_convert('UTC','UTC','now + 5 days')),
		dbesc($x[0]['outq_posturl'])
	);
 
	$since = datetime_convert('UTC','UTC',$x[0]['outq_created']);

	if(($might_be_down) || ($since < datetime_convert('UTC','UTC','now - 12 hour'))) {
		$next = datetime_convert('UTC','UTC','now + 1 hour');
	}
	else {
		$next = datetime_convert('UTC','UTC','now + ' . intval($add_priority) . ' minutes');
	}

	q("UPDATE outq SET outq_updated = '%s', 
		outq_priority = outq_priority + %d, 
		outq_scheduled = '%s' 
		WHERE outq_hash = '%s'",

		dbesc(datetime_convert()),
		intval($add_priority),
		dbesc($next),
		dbesc($id)
	);
}

function remove_queue_item($id,$channel_id = 0) {
	logger('queue: remove queue item ' . $id,LOGGER_DEBUG);
	$sql_extra = (($channel_id) ? " and outq_channel = " . intval($channel_id) . " " : '');
		
	q("DELETE FROM outq WHERE outq_hash = '%s' $sql_extra",
		dbesc($id)
	);
}


function remove_queue_by_posturl($posturl) {
	logger('queue: remove queue posturl ' . $posturl,LOGGER_DEBUG);
		
	q("DELETE FROM outq WHERE outq_posturl = '%s' ",
		dbesc($posturl)
	);
}



function queue_set_delivered($id,$channel = 0) {
	logger('queue: set delivered ' . $id,LOGGER_DEBUG);
	$sql_extra = (($channel_id) ? " and outq_channel = " . intval($channel_id) . " " : '');

	// Set the next scheduled run date so far in the future that it will be expired
	// long before it ever makes it back into the delivery chain. 

	q("update outq set outq_delivered = 1, outq_updated = '%s', outq_scheduled = '%s' where outq_hash = '%s' $sql_extra ",
		dbesc(datetime_convert()),
		dbesc(datetime_convert('UTC','UTC','now + 5 days')),
		dbesc($id)
	);
}



function queue_insert($arr) {

	$x = q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_priority,
		outq_created, outq_updated, outq_scheduled, outq_notify, outq_msg ) 
		values ( '%s', %d, %d, '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s' )",
		dbesc($arr['hash']),
		intval($arr['account_id']),
		intval($arr['channel_id']),
		dbesc(($arr['driver']) ? $arr['driver'] : 'zot'),
		dbesc($arr['posturl']),
		intval(1),
		intval(($arr['priority']) ? $arr['priority'] : 0),
		dbesc(datetime_convert()),
		dbesc(datetime_convert()),
		dbesc(datetime_convert()),
		dbesc($arr['notify']),
		dbesc(($arr['msg']) ? $arr['msg'] : '')
	);
	return $x;

}



function queue_deliver($outq, $immediate = false) {

	$base = null;
	$h = parse_url($outq['outq_posturl']);
	if($h !== false) 
		$base = $h['scheme'] . '://' . $h['host'] . (($h['port']) ? ':' . $h['port'] : '');

	if(($base) && ($base !== z_root()) && ($immediate)) {
		$y = q("select site_update, site_dead from site where site_url = '%s' ",
			dbesc($base)
		);
		if($y) {
			if(intval($y[0]['site_dead'])) {
				remove_queue_by_posturl($outq['outq_posturl']);
				logger('dead site ignored ' . $base);
				return;
			}
			if($y[0]['site_update'] < datetime_convert('UTC','UTC','now - 1 month')) {
				update_queue_item($outq['outq_hash'],10);
				logger('immediate delivery deferred for site ' . $base);
				return;
			}
		}
		else {

			// zot sites should all have a site record, unless they've been dead for as long as
			// your site has existed. Since we don't know for sure what these sites are,
			// call them unknown

			site_store_lowlevel( 
				[
					'site_url'    => $base,
					'site_update' => datetime_convert(),
					'site_dead'   => 0,
					'site_type'   => intval(($outq['outq_driver'] === 'post') ? SITE_TYPE_NOTZOT : SITE_TYPE_UNKNOWN),
					'site_crypto' => ''
				]
			);
		}
	}



	


	$arr = array('outq' => $outq, 'base' => $base, 'handled' => false, 'immediate' => $immediate);
	call_hooks('queue_deliver',$arr);
	if($arr['handled'])
		return;

	// "post" queue driver - used for diaspora and friendica-over-diaspora communications.

	if($outq['outq_driver'] === 'post') {
		$result = z_post_url($outq['outq_posturl'],$outq['outq_msg']);
		if($result['success'] && $result['return_code'] < 300) {
			logger('deliver: queue post success to ' . $outq['outq_posturl'], LOGGER_DEBUG);
			if($base) {
				q("update site set site_update = '%s', site_dead = 0 where site_url = '%s' ",
					dbesc(datetime_convert()),
					dbesc($base)
				);
			}
			q("update dreport set dreport_result = '%s', dreport_time = '%s' where dreport_queue = '%s'",
				dbesc('accepted for delivery'),
				dbesc(datetime_convert()),
				dbesc($outq['outq_hash'])
			);
			remove_queue_item($outq['outq_hash']);

			// server is responding - see if anything else is going to this destination and is piled up 
			// and try to send some more. We're relying on the fact that do_delivery() results in an 
			// immediate delivery otherwise we could get into a queue loop. 

			if(! $immediate) {
				$x = q("select outq_hash from outq where outq_posturl = '%s' and outq_delivered = 0",
					dbesc($outq['outq_posturl'])
				);

				$piled_up = array();
				if($x) {
					foreach($x as $xx) {
						 $piled_up[] = $xx['outq_hash'];
					}
				}
				if($piled_up) {
					// call do_delivery() with the force flag
					do_delivery($piled_up, true);
				}
			}
		}
		else {
			logger('deliver: queue post returned ' . $result['return_code'] 
				. ' from ' . $outq['outq_posturl'],LOGGER_DEBUG);
				update_queue_item($outq['outq_hash'],10);
		}
		return;
	}

	// normal zot delivery

	logger('deliver: dest: ' . $outq['outq_posturl'], LOGGER_DEBUG);

	$channel = null;

	if($outq['outq_msg'] && $outq['outq_channel']) {
		$channel = channelx_by_n($outq['outq_channel']);
	}

	$host_crypto = null;

	if($channel && $base) {
		$h = q("select hubloc_sitekey, site_crypto from hubloc left join site on hubloc_url = site_url where site_url = '%s' order by hubloc_id desc limit 1",
			dbesc($base)
		);
		if($h) {
			$host_crypto = $h[0];
		}
	}

	$msg = $outq['outq_notify'];

	$result = zot_zot($outq['outq_posturl'],$msg,$channel,$host_crypto);


	if($result['success']) {
		logger('deliver: remote zot delivery succeeded to ' . $outq['outq_posturl']);
		zot_process_response($outq['outq_posturl'],$result, $outq);
	}
	else {
		logger('deliver: remote zot delivery failed to ' . $outq['outq_posturl']);
		logger('deliver: remote zot delivery fail data: ' . print_r($result,true), LOGGER_DATA);
		update_queue_item($outq['outq_hash'],10);
	}
	return;
}