aboutsummaryrefslogtreecommitdiffstats
path: root/Zotlabs/Module/Channel.php
blob: 9ce57d6eb05c48852e787118c01dbeee168919e4 (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
<?php

namespace Zotlabs\Module;

require_once('include/contact_widgets.php');
require_once('include/items.php');
require_once("include/bbcode.php");
require_once('include/security.php');
require_once('include/conversation.php');
require_once('include/acl_selectors.php');
require_once('include/permissions.php');

/**
 * @brief Channel Controller
 *
 */
class Channel extends \Zotlabs\Web\Controller {

	function init() {

		$which = null;
		if(argc() > 1)
			$which = argv(1);
		if(! $which) {
			if(local_channel()) {
				$channel = \App::get_channel();
				if($channel && $channel['channel_address'])
				$which = $channel['channel_address'];
			}
		}
		if(! $which) {
			notice( t('You must be logged in to see this page.') . EOL );
			return;
		}

		$profile = 0;
		$channel = \App::get_channel();

		if((local_channel()) && (argc() > 2) && (argv(2) === 'view')) {
			$which = $channel['channel_address'];
			$profile = argv(1);
		}

		head_add_link( [ 
			'rel'   => 'alternate', 
			'type'  => 'application/atom+xml',
			'title' => t('Posts and comments'),
			'href'  => z_root() . '/feed/' . $which
		]);

		head_add_link( [ 
			'rel'   => 'alternate', 
			'type'  => 'application/atom+xml',
			'title' => t('Only posts'),
			'href'  => z_root() . '/feed/' . $which . '?f=&top=1'
		]);


		// Run profile_load() here to make sure the theme is set before
		// we start loading content

		profile_load($which,$profile);
	}

	function get($update = 0, $load = false) {

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

		$checkjs = new \Zotlabs\Web\CheckJS(1);

		$category = $datequery = $datequery2 = '';

		$mid = ((x($_REQUEST,'mid')) ? $_REQUEST['mid'] : '');

		$datequery = ((x($_GET,'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : '');
		$datequery2 = ((x($_GET,'dbegin') && is_a_date_arg($_GET['dbegin'])) ? notags($_GET['dbegin']) : '');

		if(observer_prohibited(true)) {
			return login();
		}

		$category = ((x($_REQUEST,'cat')) ? $_REQUEST['cat'] : '');
		$hashtags = ((x($_REQUEST,'tag')) ? $_REQUEST['tag'] : '');
		$static   = ((array_key_exists('static',$_REQUEST)) ? intval($_REQUEST['static']) : 0);

		$groups = array();

		$o = '';

		if($update) {
			// Ensure we've got a profile owner if updating.
			\App::$profile['profile_uid'] = \App::$profile_uid = $update;
		}

		$is_owner = (((local_channel()) && (\App::$profile['profile_uid'] == local_channel())) ? true : false);

		$channel = \App::get_channel();
		$observer = \App::get_observer();
		$ob_hash = (($observer) ? $observer['xchan_hash'] : '');

		$perms = get_all_perms(\App::$profile['profile_uid'],$ob_hash);

		if(! $perms['view_stream']) {
			// We may want to make the target of this redirect configurable
			if($perms['view_profile']) {
				notice( t('Insufficient permissions.  Request redirected to profile page.') . EOL);
				goaway (z_root() . "/profile/" . \App::$profile['channel_address']);
			}
			notice( t('Permission denied.') . EOL);
			return;
		}


		if(! $update) {

			nav_set_selected('Channel Home');

			$static = channel_manual_conv_update(\App::$profile['profile_uid']);

			//$o .= profile_tabs($a, $is_owner, \App::$profile['channel_address']);

			// $o .= common_friends_visitor_widget(\App::$profile['profile_uid']);

			if($channel && $is_owner) {
				$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']
				);
			}
			else {
				$channel_acl = [ 'allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '' ];
			}


			if($perms['post_wall']) {

				$x = array(
					'is_owner' => $is_owner,
					'allow_location' => ((($is_owner || $observer) && (intval(get_pconfig(\App::$profile['profile_uid'],'system','use_browser_location')))) ? true : false),
					'default_location' => (($is_owner) ? \App::$profile['channel_location'] : ''),
					'nickname' => \App::$profile['channel_address'],
					'lockstate' => (((strlen(\App::$profile['channel_allow_cid'])) || (strlen(\App::$profile['channel_allow_gid'])) || (strlen(\App::$profile['channel_deny_cid'])) || (strlen(\App::$profile['channel_deny_gid']))) ? 'lock' : 'unlock'),
					'acl' => (($is_owner) ? populate_acl($channel_acl,true, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_stream'), get_post_aclDialogDescription(), 'acl_dialog_post') : ''),
					'permissions' => $channel_acl,
					'showacl' => (($is_owner) ? 'yes' : ''),
					'bang' => '',
					'visitor' => (($is_owner || $observer) ? true : false),
					'profile_uid' => \App::$profile['profile_uid'],
					'editor_autocomplete' => true,
					'bbco_autocomplete' => 'bbcode',
					'bbcode' => true,
					'jotnets' => true
				);

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

		}


		/**
		 * Get permissions SQL - if $remote_contact is true, our remote user has been pre-verified and we already have fetched his/her groups
		 */

		$item_normal = item_normal();
		$item_normal_update = item_normal_update();
		$sql_extra = item_permissions_sql(\App::$profile['profile_uid']);

		if(get_pconfig(\App::$profile['profile_uid'],'system','channel_list_mode') && (! $mid))
			$page_mode = 'list';
		else
			$page_mode = 'client';

		$abook_uids = " and abook.abook_channel = " . intval(\App::$profile['profile_uid']) . " ";

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


		$search = EMPTY_STR;
		if(x($_GET,'search')) {
			$search = escape_tags($_GET['search']);
			if(strpos($search,'#') === 0) {
				$sql_extra2 .= term_query('item',substr($search,1),TERM_HASHTAG,TERM_COMMUNITYTAG);
			}
			else {
				$sql_extra2 .= sprintf(" AND item.body like '%s' ",
					dbesc(protect_sprintf('%' . $search . '%'))
				);
			}
		}


		head_add_link([ 
			'rel'   => 'alternate',
			'type'  => 'application/json+oembed',
			'href'  => z_root() . '/oep?f=&url=' . urlencode(z_root() . '/' . \App::$query_string),
			'title' => 'oembed'
		]);

		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($static && $simple_update)
			$simple_update .= " and author_xchan = '" . protect_sprintf(get_observer_hash()) . "' ";

		if(($update) && (! $load)) {

			if($mid) {
				$r = q("SELECT parent AS item_id from item where mid like '%s' and uid = %d $item_normal_update
					AND item_wall = 1 $simple_update $sql_extra limit 1",
					dbesc($mid . '%'),
					intval(\App::$profile['profile_uid'])
				);
				$_SESSION['loadtime'] = datetime_convert();
			}
			else {
				$r = q("SELECT parent AS item_id from item
					left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
					WHERE uid = %d $item_normal_update
					AND item_wall = 1 $simple_update
					AND (abook.abook_blocked = 0 or abook.abook_flags is null)
					$sql_extra
					ORDER BY created DESC",
					intval(\App::$profile['profile_uid'])
				);
				$_SESSION['loadtime'] = datetime_convert();
			}

		}
		else {

			if(x($category)) {
				$sql_extra2 .= protect_sprintf(term_item_parent_query(\App::$profile['profile_uid'],'item', $category, TERM_CATEGORY));
			}
			if(x($hashtags)) {
				$sql_extra2 .= protect_sprintf(term_item_parent_query(\App::$profile['profile_uid'],'item', $hashtags, TERM_HASHTAG, TERM_COMMUNITYTAG));
			}

			if($datequery) {
				$sql_extra2 .= protect_sprintf(sprintf(" AND item.created <= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery))));
			}
			if($datequery2) {
				$sql_extra2 .= protect_sprintf(sprintf(" AND item.created >= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery2))));
			}

			if($datequery || $datequery2) {
				$sql_extra2 .= " and item.item_thread_top != 0 ";
			}

			$itemspage = get_pconfig(local_channel(),'system','itemspage');
			\App::set_pager_itemspage(((intval($itemspage)) ? $itemspage : 20));
			$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval(\App::$pager['itemspage']), intval(\App::$pager['start']));

			if($load || ($checkjs->disabled())) {
				if($mid) {
					$r = q("SELECT parent AS item_id from item where mid like '%s' and uid = %d $item_normal
						AND item_wall = 1 $sql_extra limit 1",
						dbesc($mid . '%'),
						intval(\App::$profile['profile_uid'])
					);
					if (! $r) {
						notice( t('Permission denied.') . EOL);
					}
				}
				else {
					$r = q("SELECT item.parent AS item_id FROM item 
						left join abook on ( item.author_xchan = abook.abook_xchan $abook_uids )
						WHERE true and item.uid = %d $item_normal
						AND (abook.abook_blocked = 0 or abook.abook_flags is null)
						AND item.item_wall = 1 
						$sql_extra $sql_extra2
						ORDER BY created DESC, id $pager_sql ",
						intval(\App::$profile['profile_uid'])
					);
				}
			}
			else {
				$r = array();
			}
		}

		if($r) {

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

			$items = q("SELECT item.*, item.id AS item_id
				FROM item
				WHERE item.uid = %d $item_normal
				AND item.parent IN ( %s )
				$sql_extra ",
				intval(\App::$profile['profile_uid']),
				dbesc($parents_str)
			);

			xchan_query($items);
			$items = fetch_post_tags($items, true);
			$items = conv_sort($items,'created');

			if($load && $mid && (! count($items))) {
				// This will happen if we don't have sufficient permissions
				// to view the parent item (or the item itself if it is toplevel)
				notice( t('Permission denied.') . EOL);
			}

		} else {
			$items = array();
		}

		if((! $update) && (! $load)) {

			// This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
			// because browser prefetching might change it on us. We have to deliver it with the page.

			$maxheight = get_pconfig(\App::$profile['profile_uid'],'system','channel_divmore_height');
			if(! $maxheight)
				$maxheight = 400;

			$o .= '<div id="live-channel"></div>' . "\r\n";
			$o .= "<script> var profile_uid = " . \App::$profile['profile_uid']
				. "; var netargs = '?f='; var profile_page = " . \App::$pager['page']
				. "; divmore_height = " . intval($maxheight) . "; </script>\r\n";

			\App::$page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
				'$baseurl' => z_root(),
				'$pgtype' => 'channel',
				'$uid' => ((\App::$profile['profile_uid']) ? \App::$profile['profile_uid'] : '0'),
				'$gid' => '0',
				'$cid' => '0',
				'$cmin' => '0',
				'$cmax' => '0',
				'$star' => '0',
				'$liked' => '0',
				'$conv' => '0',
				'$spam' => '0',
				'$nouveau' => '0',
				'$wall' => '1',
				'$fh' => '0',
				'$static'  => $static,
				'$page' => ((\App::$pager['page'] != 1) ? \App::$pager['page'] : 1),
				'$search' => $search,
				'$xchan' => '',
				'$order' => '',
				'$list' => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
				'$file' => '',
				'$cats' => (($category) ? urlencode($category) : ''),
				'$tags' => (($hashtags) ? urlencode($hashtags) : ''),
				'$mid' => $mid,
				'$verb' => '',
				'$net' => '',
				'$dend' => $datequery,
				'$dbegin' => $datequery2
			));

		}

		$update_unseen = '';

		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($is_owner && $update_unseen) {
			$x = [ 'channel_id' => local_channel(), 'update' => 'unset' ];
			call_hooks('update_unseen',$x);
			if($x['update'] === 'unset' || intval($x['update'])) {
				$r = q("UPDATE item SET item_unseen = 0 where item_unseen = 1 and item_wall = 1 AND uid = %d $update_unseen",
					intval(local_channel())
				);
			}
		}


		if($checkjs->disabled()) {
			$o .= conversation($items,'channel',$update,'traditional');
		}
		else {
			$o .= conversation($items,'channel',$update,$page_mode);
		}

		if((! $update) || ($checkjs->disabled())) {
			$o .= alt_pager(count($items));
			if ($mid && $items[0]['title'])
				\App::$page['title'] = $items[0]['title'] . " - " . \App::$page['title'];
		}

		if($mid)
			$o .= '<div id="content-complete"></div>';

		return $o;
	}
}