aboutsummaryrefslogtreecommitdiffstats
path: root/include/poller.php
blob: d873058a6943e3b017afad8fd5b32e5f5abf2d02 (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
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
<?php /** @file */

require_once('boot.php');
require_once('include/cli_startup.php');


function poller_run($argv, $argc){

	cli_startup();

	$a = get_app();

	$maxsysload = intval(get_config('system','maxloadavg'));
	if($maxsysload < 1)
		$maxsysload = 50;
	if(function_exists('sys_getloadavg')) {
		$load = sys_getloadavg();
		if(intval($load[0]) > $maxsysload) {
			logger('system: load ' . $load . ' too high. Poller deferred to next scheduled run.');
			return;
		}
	}

	$interval = intval(get_config('system','poll_interval'));
	if(! $interval) 
		$interval = ((get_config('system','delivery_interval') === false) ? 3 : intval(get_config('system','delivery_interval')));


	logger('poller: start');
	
	// run queue delivery process in the background

	proc_run('php',"include/queue.php");
	

	// expire any expired mail

	q("delete from mail where expires != '0000-00-00 00:00:00' and expires < UTC_TIMESTAMP() ");

	// expire any expired items

	$r = q("select id from item where expires != '0000-00-00 00:00:00' and expires < UTC_TIMESTAMP() 
		and not ( item_restrict & %d ) ",
		intval(ITEM_DELETED)
	);
	if($r) {
		require_once('include/items.php');
		foreach($r as $rr)
			drop_item($rr['id'],false);
	}


	// Ensure that every channel pings a directory server once a month. This way we can discover
	// channels and sites that quietly vanished and prevent the directory from accumulating stale
	// or dead entries.

	$r = q("select channel_id from channel where channel_dirdate < UTC_TIMESTAMP() - INTERVAL 30 DAY");
	if($r) {
		foreach($r as $rr) {
			proc_run('php','include/directory.php',$rr['channel_id'],'force');
			if($interval)
				@time_sleep_until(microtime(true) + (float) $interval);
		}
	}

	// publish any applicable items that were set to be published in the future
	// (time travel posts)

	$r = q("select id from item where ( item_restrict & %d ) and created <= UTC_TIMESTAMP() ",
		intval(ITEM_DELAYED_PUBLISH)
	);
	if($r) {
		foreach($r as $rr) {
			$x = q("update item set item_restrict = ( item_restrict ^ %d ) where id = %d limit 1",
				intval(ITEM_DELAYED_PUBLISH),
				intval($rr['id'])
			);
			if($x) {
				proc_run('php','include/notifier.php','wall-new',$rr['id']);
			}
		}
	}

	$abandon_days = intval(get_config('system','account_abandon_days'));
	if($abandon_days < 1)
		$abandon_days = 0;

	
	// once daily run birthday_updates and then expire in background

	// FIXME: add birthday updates, both locally and for xprof for use
	// by directory servers

	$d1 = get_config('system','last_expire_day');
	$d2 = intval(datetime_convert('UTC','UTC','now','d'));

	$dirmode = get_config('system','directory_mode');

	/**
	 * Cron Daily
	 *
	 * Actions in the following block are executed once per day, not on every poller run
	 *
	 */

	if($d2 != intval($d1)) {

		$d3 = intval(datetime_convert('UTC','UTC','now','N'));
		if($d3 == 7) {
		
			/**
			 * Cron Weekly
			 * 
			 * Actions in the following block are executed once per day only on Sunday (once per week).
			 *
			 */

			require_once('include/hubloc.php');
			prune_hub_reinstalls();


		}


		// expire any read notifications over a month old

		q("delete from notify where seen = 1 and date < UTC_TIMESTAMP() - INTERVAL 30 DAY");

		// expire any expired accounts
		require_once('include/account.php');
		downgrade_accounts();

		// If this is a directory server, request a sync with an upstream
		// directory at least once a day, up to once every poll interval. 
		// Pull remote changes and push local changes.
		// potential issue: how do we keep from creating an endless update loop? 

		if($dirmode == DIRECTORY_MODE_SECONDARY || $dirmode == DIRECTORY_MODE_PRIMARY) {
			require_once('include/dir_fns.php');
			sync_directories($dirmode);
		}

		set_config('system','last_expire_day',$d2);

		proc_run('php','include/expire.php');
		proc_run('php','include/cli_suggest.php');

	}

	// update any photos which didn't get imported properly
	// This should be rare

	$r = q("select xchan_photo_l, xchan_hash from xchan where xchan_photo_l != '' and xchan_photo_m = '' 
		and xchan_photo_date < UTC_TIMESTAMP() - INTERVAL 1 DAY");
	if($r) {
		require_once('include/photo/photo_driver.php');
		foreach($r as $rr) {
			$photos = import_profile_photo($rr['xchan_photo_l'],$rr['xchan_hash']);
			$x = q("update xchan set xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s'
				where xchan_hash = '%s' limit 1",
				dbesc($photos[0]),
				dbesc($photos[1]),
				dbesc($photos[2]),
				dbesc($photos[3]),
				dbesc($rr['xchan_hash'])
			);
		}
	}

	// pull in some public posts

	$r = q("select site_url from site where site_url != '%s'  order by rand() limit 1",
		dbesc(z_root())
	);

	if($r) {
		$feedurl = $r[0]['site_url'] . '/zotfeed?f=&mindate=' . urlencode(datetime_convert('','','now - 15 days'));
		$x = z_fetch_url($feedurl);
		if(($x) && ($x['success'])) {
			$total = 0;
			$j = json_decode($x['body'],true);
			if($j['success'] && $j['messages']) {
				require_once('include/identity.php');
				$sys = get_sys_channel();
				foreach($j['messages'] as $message) {
					$results = process_delivery(array('hash' => 'undefined'), get_item_elements($message),
						array(array('hash' => $sys['xchan_hash'])), false, true);
					$total ++;
				}
				logger('import_public_posts: ' . $total . ' messages imported', LOGGER_DEBUG);
			}
		}
	}

	$manual_id  = 0;
	$generation = 0;

	$force      = false;
	$restart    = false;

	if(($argc > 1) && ($argv[1] == 'force'))
		$force = true;

	if(($argc > 1) && ($argv[1] == 'restart')) {
		$restart = true;
		$generation = intval($argv[2]);
		if(! $generation)
			killme();		
	}

	if(($argc > 1) && intval($argv[1])) {
		$manual_id = intval($argv[1]);
		$force     = true;
	}


	$sql_extra = (($manual_id) ? " AND abook_id = $manual_id " : "");

	reload_plugins();

	$d = datetime_convert();

//TODO check to see if there are any cronhooks before wasting a process

	if(! $restart)
		proc_run('php','include/cronhooks.php');

	// Only poll from those with suitable relationships

	$abandon_sql = (($abandon_days) 
		? sprintf(" AND account_lastlog > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days)) 
		: '' 
	);


	$contacts = q("SELECT abook_id, abook_flags, abook_updated, abook_connected, abook_closeness, abook_channel
		FROM abook LEFT JOIN account on abook_account = account_id where 1
		$sql_extra 
		AND (( abook_flags & %d ) OR  ( abook_flags = %d )) 
		AND (( account_flags = %d ) OR ( account_flags = %d )) $abandon_sql ORDER BY RAND()",
		intval(ABOOK_FLAG_HIDDEN|ABOOK_FLAG_PENDING|ABOOK_FLAG_UNCONNECTED),
		intval(0),
		intval(ACCOUNT_OK),
		intval(ACCOUNT_UNVERIFIED)     // FIXME

	);

	if($contacts) {

		foreach($contacts as $contact) {

			$update  = false;

			$t = $contact['abook_updated'];
			$c = $contact['abook_connected'];


			if($c == $t) {
				if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
					$update = true;
			}
			else {
				// if we've never connected with them, start the mark for death countdown from now

				if($c == '0000-00-00 00:00:00') {
					$r = q("update abook set abook_connected = '%s'  where abook_id = %d limit 1",
						dbesc(datetime_convert()),
						intval($contact['abook_id'])
					);
					$c = datetime_convert();
					$update = true;
				}

				// He's dead, Jim

				if(strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $c . " + 30 day")) > 0) {	
					$r = q("update abook set abook_flags = (abook_flags | %d) where abook_id = %d limit 1",
						intval(ABOOK_FLAG_ARCHIVED),
						intval($contact['abook_id'])
					);
					$update = false;
					continue;
				}

				if($contact['abook_flags'] & ABOOK_FLAG_ARCHIVED) {
					$update = false;
					continue;
				}

				// might be dead, so maybe don't poll quite so often
	
				// recently deceased, so keep up the regular schedule for 3 days
 
				if((strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $c . " + 3 day")) > 0)
				 && (strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $t . " + 1 day")) > 0))
					$update = true;

				// After that back off and put them on a morphine drip

				if(strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $t . " + 2 day")) > 0) {	
					$update = true;
				}


			}

			if((! $update) && (! $force))
					continue;

			proc_run('php','include/onepoll.php',$contact['abook_id']);
			if($interval)
				@time_sleep_until(microtime(true) + (float) $interval);

		}
	}

	if($dirmode == DIRECTORY_MODE_SECONDARY || $dirmode == DIRECTORY_MODE_PRIMARY) {
		$r = q("select distinct ud_addr, updates.* from updates where not ( ud_flags & %d ) and ud_addr != '' and ( ud_last = '0000-00-00 00:00:00' OR ud_last > UTC_TIMESTAMP() - INTERVAL 7 DAY ) group by ud_addr ",
			intval(UPDATE_FLAGS_UPDATED)
		);
		if($r) {
			foreach($r as $rr) {

				// If they didn't respond when we attempted before, back off to once a day
				// After 7 days we won't bother anymore

				if($rr['ud_last'] != '0000-00-00 00:00:00')
					if($rr['ud_last'] > datetime_convert('UTC','UTC', 'now - 1 day'))
						continue;
				proc_run('php','include/onedirsync.php',$rr['ud_id']);
				if($interval)
					@time_sleep_until(microtime(true) + (float) $interval);
			}
		}
	}
	
	return;
}

if (array_search(__file__,get_included_files())===0){
  poller_run($argv,$argc);
  killme();
}