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[friendica.git] / src / Worker / CronJobs.php
1 <?php
2 /**
3  * @file src/worker/CronJobs.php
4  */
5 namespace Friendica\Worker;
6
7 use Friendica\App;
8 use Friendica\Core\Cache;
9 use Friendica\Core\Config;
10 use Friendica\Database\DBM;
11 use Friendica\Database\PostUpdate;
12 use Friendica\Model\Contact;
13 use Friendica\Model\GContact;
14 use Friendica\Model\Photo;
15 use Friendica\Network\Probe;
16 use Friendica\Protocol\PortableContact;
17 use dba;
18
19 require_once 'include/dba.php';
20 require_once 'mod/nodeinfo.php';
21
22 class CronJobs
23 {
24         public static function execute($command = '')
25         {
26                 global $a;
27
28                 require_once 'include/datetime.php';
29                 require_once 'mod/nodeinfo.php';
30
31                 // No parameter set? So return
32                 if ($command == '') {
33                         return;
34                 }
35
36                 logger("Starting cronjob " . $command, LOGGER_DEBUG);
37
38                 // Call possible post update functions
39                 // see src/Database/PostUpdate.php for more details
40                 if ($command == 'post_update') {
41                         PostUpdate::update();
42                         return;
43                 }
44
45                 // update nodeinfo data
46                 if ($command == 'nodeinfo') {
47                         nodeinfo_cron();
48                         return;
49                 }
50
51                 // Expire and remove user entries
52                 if ($command == 'expire_and_remove_users') {
53                         self::expireAndRemoveUsers();
54                         return;
55                 }
56
57                 if ($command == 'update_contact_birthdays') {
58                         update_contact_birthdays();
59                         return;
60                 }
61
62                 if ($command == 'update_photo_albums') {
63                         self::updatePhotoAlbums();
64                         return;
65                 }
66
67                 // Clear cache entries
68                 if ($command == 'clear_cache') {
69                         self::clearCache($a);
70                         return;
71                 }
72
73                 // Repair missing Diaspora values in contacts
74                 if ($command == 'repair_diaspora') {
75                         self::repairDiaspora($a);
76                         return;
77                 }
78
79                 // Repair entries in the database
80                 if ($command == 'repair_database') {
81                         self::repairDatabase();
82                         return;
83                 }
84
85                 logger("Xronjob " . $command . " is unknown.", LOGGER_DEBUG);
86
87                 return;
88         }
89
90         /**
91          * @brief Update the cached values for the number of photo albums per user
92          */
93         private static function updatePhotoAlbums()
94         {
95                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
96                 if (!DBM::is_result($r)) {
97                         return;
98                 }
99
100                 foreach ($r as $user) {
101                         Photo::clearAlbumCache($user['uid']);
102                 }
103         }
104
105         /**
106          * @brief Expire and remove user entries
107          */
108         private static function expireAndRemoveUsers()
109         {
110                 // expire any expired accounts
111                 q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
112                         AND `account_expires_on` > '%s'
113                         AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
114
115                 // delete user records for recently removed accounts
116                 $r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
117                 if (DBM::is_result($r)) {
118                         foreach ($r as $user) {
119                                 dba::delete('user', ['uid' => $user['uid']]);
120                         }
121                 }
122         }
123
124         /**
125          * @brief Clear cache entries
126          *
127          * @param App $a
128          */
129         private static function clearCache(App $a)
130         {
131                 $last = Config::get('system', 'cache_last_cleared');
132
133                 if ($last) {
134                         $next = $last + (3600); // Once per hour
135                         $clear_cache = ($next <= time());
136                 } else {
137                         $clear_cache = true;
138                 }
139
140                 if (!$clear_cache) {
141                         return;
142                 }
143
144                 // clear old cache
145                 Cache::clear();
146
147                 // clear old item cache files
148                 clear_cache();
149
150                 // clear cache for photos
151                 clear_cache($a->get_basepath(), $a->get_basepath() . "/photo");
152
153                 // clear smarty cache
154                 clear_cache($a->get_basepath() . "/view/smarty3/compiled", $a->get_basepath() . "/view/smarty3/compiled");
155
156                 // clear cache for image proxy
157                 if (!Config::get("system", "proxy_disabled")) {
158                         clear_cache($a->get_basepath(), $a->get_basepath() . "/proxy");
159
160                         $cachetime = Config::get('system', 'proxy_cache_time');
161                         if (!$cachetime) {
162                                 $cachetime = PROXY_DEFAULT_TIME;
163                         }
164                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
165                         dba::delete('photo', $condition);
166                 }
167
168                 // Delete the cached OEmbed entries that are older than three month
169                 dba::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
170
171                 // Delete the cached "parse_url" entries that are older than three month
172                 dba::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
173
174                 // Maximum table size in megabyte
175                 $max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
176                 if ($max_tablesize == 0) {
177                         $max_tablesize = 100 * 1000000; // Default are 100 MB
178                 }
179                 if ($max_tablesize > 0) {
180                         // Minimum fragmentation level in percent
181                         $fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
182                         if ($fragmentation_level == 0) {
183                                 $fragmentation_level = 0.3; // Default value is 30%
184                         }
185
186                         // Optimize some tables that need to be optimized
187                         $r = q("SHOW TABLE STATUS");
188                         foreach ($r as $table) {
189
190                                 // Don't optimize tables that are too large
191                                 if ($table["Data_length"] > $max_tablesize) {
192                                         continue;
193                                 }
194
195                                 // Don't optimize empty tables
196                                 if ($table["Data_length"] == 0) {
197                                         continue;
198                                 }
199
200                                 // Calculate fragmentation
201                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
202
203                                 logger("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), LOGGER_DEBUG);
204
205                                 // Don't optimize tables that needn't to be optimized
206                                 if ($fragmentation < $fragmentation_level) {
207                                         continue;
208                                 }
209
210                                 // So optimize it
211                                 logger("Optimize Table " . $table["Name"], LOGGER_DEBUG);
212                                 q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
213                         }
214                 }
215
216                 Config::set('system', 'cache_last_cleared', time());
217         }
218
219         /**
220          * @brief Repair missing values in Diaspora contacts
221          *
222          * @param App $a
223          */
224         private static function repairDiaspora(App $a)
225         {
226                 $starttime = time();
227
228                 $r = q("SELECT `id`, `url` FROM `contact`
229                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
230                                 ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
231                 if (!DBM::is_result($r)) {
232                         return;
233                 }
234
235                 foreach ($r AS $contact) {
236                         // Quit the loop after 3 minutes
237                         if (time() > ($starttime + 180)) {
238                                 return;
239                         }
240
241                         if (!PortableContact::reachable($contact["url"])) {
242                                 continue;
243                         }
244
245                         $data = Probe::uri($contact["url"]);
246                         if ($data["network"] != NETWORK_DIASPORA) {
247                                 continue;
248                         }
249
250                         logger("Repair contact " . $contact["id"] . " " . $contact["url"], LOGGER_DEBUG);
251                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
252                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
253                                 intval($contact["id"]));
254                 }
255         }
256
257         /**
258          * @brief Do some repairs in database entries
259          *
260          */
261         private static function repairDatabase()
262         {
263                 // Sometimes there seem to be issues where the "self" contact vanishes.
264                 // We haven't found the origin of the problem by now.
265                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
266                 if (DBM::is_result($r)) {
267                         foreach ($r AS $user) {
268                                 logger('Create missing self contact for user ' . $user['uid']);
269                                 Contact::createSelfFromUserId($user['uid']);
270                         }
271                 }
272
273                 // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
274                 // This call is very "cheap" so we can do it at any time without a problem
275                 q("UPDATE `item` INNER JOIN `item` AS `parent` ON `parent`.`uri` = `item`.`parent-uri` AND `parent`.`uid` = `item`.`uid` SET `item`.`parent` = `parent`.`id` WHERE `item`.`parent` = 0");
276
277                 // There was an issue where the nick vanishes from the contact table
278                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
279
280                 // Update the global contacts for local users
281                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
282                 if (DBM::is_result($r)) {
283                         foreach ($r AS $user) {
284                                 GContact::updateForUser($user["uid"]);
285                         }
286                 }
287
288                 /// @todo
289                 /// - remove thread entries without item
290                 /// - remove sign entries without item
291                 /// - remove children when parent got lost
292                 /// - set contact-id in item when not present
293         }
294 }