aboutsummaryrefslogtreecommitdiffstats
path: root/mod/network.php
blob: d96c6830dd839d19b11bbd29b4a39908be356bd5 (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
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
<?php

require_once('include/items.php');
require_once('include/group.php');
require_once('include/contact_widgets.php');
require_once('include/conversation.php');
require_once('include/acl_selectors.php');


function network_init(&$a) {
	if(! local_channel()) {
		notice( t('Permission denied.') . EOL);
		return;
	}

	if((count($_GET) < 2) || (count($_GET) < 3 && $_GET['JS'])) {
		$network_options = get_pconfig(local_channel(),'system','network_page_default');
		if($network_options)
			goaway('network' . '?f=&' . $network_options);
	}

	$channel = $a->get_channel();
	$a->profile_uid = local_channel();
	head_set_icon($channel['xchan_photo_s']);

}

function network_content(&$a, $update = 0, $load = false) {

	if(! local_channel()) {
		$_SESSION['return_url'] = $a->query_string;
		return login(false);
	}

	if($load)
		$_SESSION['loadtime'] = datetime_convert();

	$arr = array('query' => $a->query_string);

	call_hooks('network_content_init', $arr);

	$channel = $a->get_channel();


	$datequery = $datequery2 = '';

	$group = 0;

	$nouveau    = false;

	$datequery  = ((x($_GET,'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : '');
	$datequery2 = ((x($_GET,'dbegin') && is_a_date_arg($_GET['dbegin'])) ? notags($_GET['dbegin']) : '');
	$nouveau    = ((x($_GET,'new')) ? intval($_GET['new']) : 0);
	$gid        = ((x($_GET,'gid')) ? intval($_GET['gid']) : 0);
	$category   = ((x($_REQUEST,'cat')) ? $_REQUEST['cat'] : '');
	$hashtags   = ((x($_REQUEST,'tag')) ? $_REQUEST['tag'] : '');
	$verb       = ((x($_REQUEST,'verb')) ? $_REQUEST['verb'] : '');

	$search = (($_GET['search']) ? $_GET['search'] : '');
	if($search) {
		if(strpos($search,'@') === 0) {
			$r = q("select abook_id from abook left join xchan on abook_xchan = xchan_hash where xchan_name = '%s' and abook_channel = %d limit 1",
				dbesc(substr($search,1)),
				intval(local_channel())
			);
			if($r) {
				$_GET['cid'] = $r[0]['abook_id'];
				$search = $_GET['search'] = '';
			}
		}
		elseif(strpos($search,'#') === 0) {
			$hashtags = substr($search,1);
			$search = $_GET['search'] = '';
		}
	}

	if($datequery)
		$_GET['order'] = 'post';


	// filter by collection (e.g. group)

	if($gid) {
		$r = q("SELECT * FROM groups WHERE id = %d AND uid = %d LIMIT 1",
			intval($gid),
			intval(local_channel())
		);
		if(! $r) {
			if($update)
				killme();
			notice( t('No such group') . EOL );
			goaway($a->get_baseurl(true) . '/network');
			// NOTREACHED
		}

		$group      = $gid;
		$group_hash = $r[0]['hash'];
		$def_acl    = array('allow_gid' => '<' . $r[0]['hash'] . '>');
	}

	$o = '';


	// if no tabs are selected, defaults to comments

	$cid      = ((x($_GET,'cid'))   ? intval($_GET['cid'])   : 0);
	$star     = ((x($_GET,'star'))  ? intval($_GET['star'])  : 0);
	$order    = ((x($_GET,'order')) ? notags($_GET['order']) : 'comment');
	$liked    = ((x($_GET,'liked')) ? intval($_GET['liked']) : 0);
	$conv     = ((x($_GET,'conv'))  ? intval($_GET['conv'])  : 0);
	$spam     = ((x($_GET,'spam'))  ? intval($_GET['spam'])  : 0);
	$cmin     = ((x($_GET,'cmin'))  ? intval($_GET['cmin'])  : 0);
	$cmax     = ((x($_GET,'cmax'))  ? intval($_GET['cmax'])  : 99);
	$firehose = ((x($_GET,'fh'))    ? intval($_GET['fh'])    : 0);
	$file     = ((x($_GET,'file'))  ? $_GET['file']          : '');


	if(x($_GET,'search') || x($_GET,'file'))
		$nouveau = true;
	if($cid) {
		$r = q("SELECT abook_xchan FROM abook WHERE abook_id = %d AND abook_channel = %d LIMIT 1",
			intval($cid),
			intval(local_channel())
		);
		if(! $r) {
			if($update) {
				killme();
			}
			notice( t('No such channel') . EOL );
			goaway($a->get_baseurl(true) . '/network');
			// NOTREACHED
		}
		$def_acl = array('allow_cid' => '<' . $r[0]['abook_xchan'] . '>');
	}

	if(! $update) {
		$tabs = network_tabs();
		$o .= $tabs;

		// search terms header
		if($search) {
			$o .= replace_macros(get_markup_template("section_title.tpl"),array(
				'$title' => t('Search Results For:') . ' ' . htmlspecialchars($search, ENT_COMPAT,'UTF-8')
			));
		}

		nav_set_selected('network');

		$channel_acl = array(
			'allow_cid' => $channel['channel_allow_cid'], 
			'allow_gid' => $channel['channel_allow_gid'], 
			'deny_cid'  => $channel['channel_deny_cid'], 
			'deny_gid'  => $channel['channel_deny_gid']
		); 

		$x = array(
			'is_owner'         => true,
			'allow_location'   => ((intval(get_pconfig($channel['channel_id'],'system','use_browser_location'))) ? '1' : ''),
			'default_location' => $channel['channel_location'],
			'nickname'         => $channel['channel_address'],
			'lockstate'        => (($group || $cid || $channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'),
			'acl'              => populate_acl((($group || $cid) ? $def_acl : $channel_acl)),
			'bang'             => (($group || $cid) ? '!' : ''),
			'visitor'          => true,
			'profile_uid'      => local_channel()
		);

		$status_editor = status_editor($a,$x);
		$o .= $status_editor;
	}


	// We don't have to deal with ACL's on this page. You're looking at everything
	// that belongs to you, hence you can see all of it. We will filter by group if
	// desired.


	$sql_options  = (($star)
		? " and (item_flags & " . intval(ITEM_STARRED) . ") > 0"
		: '');

	$sql_nets = '';

	$sql_extra = " AND `item`.`parent` IN ( SELECT `parent` FROM `item` WHERE (item_flags & " . intval(ITEM_THREAD_TOP) . ")>0 $sql_options ) ";

	if($group) {
		$contact_str = '';
		$contacts = group_get_members($group);
		if($contacts) {
			foreach($contacts as $c) {
				if($contact_str)
					$contact_str .= ',';
				$contact_str .= "'" . $c['xchan'] . "'";
			}
		}
		else {
			$contact_str = ' 0 ';
			info( t('Collection is empty'));
		}

		$sql_extra = " AND item.parent IN ( SELECT DISTINCT parent FROM item WHERE true $sql_options AND (( author_xchan IN ( $contact_str ) OR owner_xchan in ( $contact_str )) or allow_gid like '" . protect_sprintf('%<' . dbesc($group_hash) . '>%') . "' ) and id = parent and item_restrict = 0 ) ";

		$x = group_rec_byhash(local_channel(), $group_hash);

		if($x) {
			$title = replace_macros(get_markup_template("section_title.tpl"),array(
				'$title' => t('Collection: ') . $x['name']
			));
		}

		$o = $tabs;
		$o .= $title;
		$o .= $status_editor;

	}

	elseif($cid) {

		$r = q("SELECT abook.*, xchan.* from abook left join xchan on abook_xchan = xchan_hash where abook_id = %d and abook_channel = %d and not ( abook_flags & " . intval(ABOOK_FLAG_BLOCKED) . ") > 0 limit 1",
			intval($cid),
			intval(local_channel())
		);
		if($r) {
			$sql_extra = " AND item.parent IN ( SELECT DISTINCT parent FROM item WHERE true $sql_options AND uid = " . intval(local_channel()) . " AND ( author_xchan = '" . dbesc($r[0]['abook_xchan']) . "' or owner_xchan = '" . dbesc($r[0]['abook_xchan']) . "' ) and item_restrict = 0 ) ";
			$title = replace_macros(get_markup_template("section_title.tpl"),array(
				'$title' => t('Connection: ') . $r[0]['xchan_name']
			));
			$o = $tabs;
			$o .= $title;
			$o .= $status_editor;
		}
		else {
			notice( t('Invalid connection.') . EOL);
			goaway($a->get_baseurl(true) . '/network');
		}
	}

	if(x($category)) {
		$sql_extra .= protect_sprintf(term_query('item', $category, TERM_CATEGORY));
	}
	if(x($hashtags)) {
		$sql_extra .= protect_sprintf(term_query('item', $hashtags, TERM_HASHTAG));
	}

	if(! $update) {
		// The special div is needed for liveUpdate to kick in for this page.
		// We only launch liveUpdate if you aren't filtering in some incompatible
		// way and also you aren't writing a comment (discovered in javascript).

		if($gid || $cid || $cmin || ($cmax != 99) || $star || $liked || $conv || $spam || $nouveau || $list)
			$firehose = 0;

		$maxheight = get_pconfig(local_channel(),'system','network_divmore_height');
		if(! $maxheight)
			$maxheight = 400;


		$o .= '<div id="live-network"></div>' . "\r\n";
		$o .= "<script> var profile_uid = " . local_channel() 
			. "; var profile_page = " . $a->pager['page'] 
			. "; divmore_height = " . intval($maxheight) . "; </script>\r\n";

		$a->page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
			'$baseurl' => z_root(),
			'$pgtype'  => 'network',
			'$uid'     => ((local_channel()) ? local_channel() : '0'),
			'$gid'     => (($gid) ? $gid : '0'),
			'$cid'     => (($cid) ? $cid : '0'),
			'$cmin'    => (($cmin) ? $cmin : '0'),
			'$cmax'    => (($cmax) ? $cmax : '0'),
			'$star'    => (($star) ? $star : '0'),
			'$liked'   => (($liked) ? $liked : '0'),
			'$conv'    => (($conv) ? $conv : '0'),
			'$spam'    => (($spam) ? $spam : '0'),
			'$fh'      => (($firehose) ? $firehose : '0'),
			'$nouveau' => (($nouveau) ? $nouveau : '0'),
			'$wall'    => '0',
			'$list'    => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
			'$page'    => (($a->pager['page'] != 1) ? $a->pager['page'] : 1),
			'$search'  => (($search) ? $search : ''),
			'$order'   => $order,
			'$file'    => $file,
			'$cats'    => $category,
			'$tags'    => $hashtags,
			'$dend'    => $datequery,
			'$mid'     => '',
			'$verb'     => $verb,
			'$dbegin'  => $datequery2
		));
	}

	$sql_extra3 = '';

	if($datequery) {
		$sql_extra3 .= protect_sprintf(sprintf(" AND item.created <= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery))));
	}
	if($datequery2) {
		$sql_extra3 .= protect_sprintf(sprintf(" AND item.created >= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery2))));
	}

	$sql_extra2 = (($nouveau) ? '' : " AND item.parent = item.id ");
	$sql_extra3 = (($nouveau) ? '' : $sql_extra3);

	if(x($_GET,'search')) {
		$search = escape_tags($_GET['search']);
		if(strpos($search,'#') === 0) {
			$sql_extra .= term_query('item',substr($search,1),TERM_HASHTAG);
		}
		else {
			$sql_extra .= sprintf(" AND item.body like '%s' ",
				dbesc(protect_sprintf('%' . $search . '%'))
			);
		}
	}

	if($verb) {
		$sql_extra .= sprintf(" AND item.verb like '%s' ",
			dbesc(protect_sprintf('%' . $verb . '%'))
		);
	}

	if(strlen($file)) {
		$sql_extra .= term_query('item',$file,TERM_FILE);
	}

	if($conv) {
		$sql_extra .= sprintf(" AND parent IN (SELECT distinct(parent) from item where ( author_xchan like '%s' or ( item_flags & %d ) > 0) and item_restrict = 0 ) ",
			dbesc(protect_sprintf($channel['channel_hash'])),
			intval(ITEM_MENTIONSME)
		);
	}

	if($update && ! $load) {

		// only setup pagination on initial page view
		$pager_sql = '';

	}
	else {
		$itemspage = get_pconfig(local_channel(),'system','itemspage');
		$a->set_pager_itemspage(((intval($itemspage)) ? $itemspage : 20));
		$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval($a->pager['itemspage']), intval($a->pager['start']));
	}


	if(($cmin != 0) || ($cmax != 99)) {

		// Not everybody who shows up in the network stream will be in your address book.
		// By default those that aren't are assumed to have closeness = 99; but this isn't
		// recorded anywhere. So if cmax is 99, we'll open the search up to anybody in
		// the stream with a NULL address book entry.

		$sql_nets .= " AND ";

		if($cmax == 99)
			$sql_nets .= " ( ";

		$sql_nets .= "( abook.abook_closeness >= " . intval($cmin) . " ";
		$sql_nets .= " AND abook.abook_closeness <= " . intval($cmax) . " ) ";

		if($cmax == 99)
			$sql_nets .= " OR abook.abook_closeness IS NULL ) ";


	}

	$abook_uids = " and abook.abook_channel = " . local_channel() . " ";

	if($firehose && (! get_config('system','disable_discover_tab'))) {
		require_once('include/identity.php');
		$sys = get_sys_channel();
		$uids = " and item.uid  = " . intval($sys['channel_id']) . " ";
		$a->data['firehose'] = intval($sys['channel_id']);
	}
	else {
		$uids = " and item.uid = " . local_channel() . " ";
	}

	if(get_pconfig(local_channel(),'system','network_list_mode'))
		$page_mode = 'list';
	else
		$page_mode = 'client';

	$simple_update = (($update) ? " and item_unseen = 1 " : '');

	// This fixes a very subtle bug so I'd better explain it. You wake up in the morning or return after a day
	// or three and look at your matrix page - after opening up your browser. The first page loads just as it
	// should. All of a sudden a few seconds later, page 2 will get inserted at the beginning of the page
	// (before the page 1 content). The update code is actually doing just what it's supposed
	// to, it's fetching posts that have the ITEM_UNSEEN bit set. But the reason that page 2 content is being
	// returned in an UPDATE is because you hadn't gotten that far yet - you're still on page 1 and everything
	// that we loaded for page 1 is now marked as seen. But the stuff on page 2 hasn't been. So... it's being
	// treated as "new fresh" content because it is unseen. We need to distinguish it somehow from content
	// which "arrived as you were reading page 1". We're going to do this
	// by storing in your session the current UTC time whenever you LOAD a network page, and only UPDATE items
	// which are both ITEM_UNSEEN and have "changed" since that time. Cross fingers...

	if($update && $_SESSION['loadtime'])
		$simple_update = " AND (( item_unseen = 1 AND item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' )  OR item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ) ";
	if($load)
		$simple_update = '';

	if($nouveau && $load) {
		// "New Item View" - show all items unthreaded in reverse created date order

		$items = q("SELECT item.*, item.id AS item_id, received FROM item
			left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
			WHERE true $uids AND item_restrict = 0
			and ((abook.abook_flags & %d) = 0 or abook.abook_flags is null)
			$simple_update
			$sql_extra $sql_nets
			ORDER BY item.received DESC $pager_sql ",
			intval(ABOOK_FLAG_BLOCKED)
		);

		require_once('include/items.php');

		xchan_query($items);

		$items = fetch_post_tags($items,true);
	}
	elseif($update) {

		// Normal conversation view

		if($order === 'post')
				$ordering = "created";
		else
				$ordering = "commented";

		if($load) {

			// Fetch a page full of parent items for this page

			$r = q("SELECT distinct item.id AS item_id, $ordering FROM item
				left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
				WHERE true $uids AND item.item_restrict = 0
				AND item.parent = item.id
				and ((abook.abook_flags & %d) = 0 or abook.abook_flags is null)
				$sql_extra3 $sql_extra $sql_nets
				ORDER BY $ordering DESC $pager_sql ",
				intval(ABOOK_FLAG_BLOCKED)
			);

		}
		else {
			// this is an update
			$r = q("SELECT item.parent AS item_id FROM item
				left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
				WHERE true $uids AND item.item_restrict = 0 $simple_update
				and ((abook.abook_flags & %d) = 0 or abook.abook_flags is null)
				$sql_extra3 $sql_extra $sql_nets ",
				intval(ABOOK_FLAG_BLOCKED)
			);
			$_SESSION['loadtime'] = datetime_convert();
		}

		// Then fetch all the children of the parents that are on this page
		$parents_str = '';
		$update_unseen = '';

		if($r) {

			$parents_str = ids_to_querystr($r,'item_id');

			$items = q("SELECT item.*, item.id AS item_id FROM item
				WHERE true $uids AND item.item_restrict = 0
				AND item.parent IN ( %s )
				$sql_extra ",
				dbesc($parents_str)
			);

			xchan_query($items,true,(($firehose) ? local_channel() : 0));
			$items = fetch_post_tags($items,true);
			$items = conv_sort($items,$ordering);
		}
		else {
			$items = array();
		}

		if($page_mode === 'list') {

			/**
			 * in "list mode", only mark the parent item and any like activities as "seen". 
			 * We won't distinguish between comment likes and post likes. The important thing
			 * is that the number of unseen comments will be accurate. The SQL to separate the
			 * comment likes could also get somewhat hairy. 
			 */

			if($parents_str) {
				$update_unseen = " AND ( id IN ( " . dbesc($parents_str) . " )";
				$update_unseen .= " OR ( parent IN ( " . dbesc($parents_str) . " ) AND verb in ( '" . dbesc(ACTIVITY_LIKE) . "','" . dbesc(ACTIVITY_DISLIKE) . "' ))) ";
			}
		}
		else {
			if($parents_str) {
				$update_unseen = " AND parent IN ( " . dbesc($parents_str) . " )";
			}
		}
	}

	if(($update_unseen) && (! $firehose))
		$r = q("UPDATE item SET item_unseen = 0 where item_unseen = 1 AND uid = %d $update_unseen ",
			intval(local_channel())
		);

	$mode = (($nouveau) ? 'network-new' : 'network');


	$o .= conversation($a,$items,$mode,$update,$page_mode);

	if(($items) && (! $update))
		$o .= alt_pager($a,count($items));

	return $o;
}