aboutsummaryrefslogtreecommitdiffstats
path: root/mod/item.php
blob: d960b6b1f44da15dabd2a14b5cc769ade2f97f73 (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
<?php

// This is the POST destination for most all locally posted
// text stuff. This function handles status, wall-to-wall status, 
// local comments, and remote coments - that are posted on this site 
// (as opposed to being delivered in a feed).
// All of these become an "item" which is our basic unit of 
// information. 

function item_post(&$a) {

	if((! local_user()) && (! remote_user()))
		return;

	require_once('include/security.php');

	$uid = local_user();

	$parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);

	$parent_item = null;

	if($parent) {
		$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
			intval($parent)
		);
		if(! count($r)) {
			notice( t('Unable to locate original post.') . EOL);
			goaway($a->get_baseurl() . "/" . $_POST['return'] );
		}
		$parent_item = $r[0];
	}

	$profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);


	if(! can_write_wall($a,$profile_uid)) {
		notice( t('Permission denied.') . EOL) ;
		return;
	}

	$user = null;

	$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
		intval($profile_uid)
	);
	if(count($r))
		$user = $r[0];
	

	$str_group_allow   = perms2str($_POST['group_allow']);
	$str_contact_allow = perms2str($_POST['contact_allow']);
	$str_group_deny    = perms2str($_POST['group_deny']);
	$str_contact_deny  = perms2str($_POST['contact_deny']);

	$title             = notags(trim($_POST['title']));
	$body              = escape_tags(trim($_POST['body']));
	$location          = notags(trim($_POST['location']));
	$coord             = notags(trim($_POST['coord']));
	$verb              = notags(trim($_POST['verb']));

	if(! strlen($body)) {
		notice( t('Empty post discarded.') . EOL );
		goaway($a->get_baseurl() . "/" . $_POST['return'] );

	}

	// get contact info for poster

	$author = null;

	if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
			intval($_SESSION['uid'])
		);
	}
	else {
		if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
			$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
				intval($_SESSION['visitor_id'])
			);
		}
	}

	if(count($r)) {
		$author = $r[0];
		$contact_id = $author['id'];
	}

	// get contact info for owner
	
	if($profile_uid == $_SESSION['uid']) {
		$contact_record = $author;
	}
	else {
		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
			intval($profile_uid)
		);
		if(count($r))
			$contact_record = $r[0];
	}

	$post_type = notags(trim($_POST['type']));

	if($post_type === 'net-comment') {
		if($parent_item !== null) {
			if($parent_item['type'] === 'remote') {
				$post_type = 'remote-comment';
			} 
			else {		
				$post_type = 'wall-comment';
			}
		}
	}

	$str_tags = '';
	$inform   = '';

	$tags = get_tags($body);


	if(count($tags)) {
		foreach($tags as $tag) {
			if(strpos($tag,'@') === 0) {
				$name = substr($tag,1);
				if((strpos($name,'@')) || (strpos($name,'http://'))) {
					$newname = $name;
					$links = @lrdd($name);
					if(count($links)) {
						foreach($links as $link) {
							if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
                    			$profile = $link['@attributes']['href'];
							if($link['@attributes']['rel'] === 'salmon') {
								if(strlen($inform))
									$inform .= ',';
                    			$inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
							}
						}
					}
				}
				else {
					$newname = $name;
					if(strstr($name,'_')) {
						$newname = str_replace('_',' ',$name);
						$r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
							dbesc($newname),
							intval($profile_uid)
						);
					}
					else {
						$r = q("SELECT * FROM `contact` WHERE `nick` = '%s' AND `uid` = %d LIMIT 1",
							dbesc($name),
							intval($profile_uid)
						);
					}
					if(count($r)) {
						$profile = $r[0]['url'];
						if(strlen($inform))
							$inform .= ',';
						$inform .= 'cid:' . $r[0]['id'];
					}
				}
				if($profile) {
					$body = str_replace($name,'[url=' . $profile . ']' . $newname	. '[/url]', $body);
					if(strlen($str_tags))
						$str_tags .= ',';
					$profile = str_replace(',','%2c',$profile);
					$str_tags .= '@[url=' . $profile . ']' . $newname	. '[/url]';
				}
			}
		}
	}

	$wall = 0;
	if($post_type === 'wall' || $post_type === 'wall-comment')
		$wall = 1;

	if(! strlen($verb))
		$verb = ACTIVITY_POST ;

	$gravity = (($parent) ? 6 : 0 );
 
	$notify_type = (($parent) ? 'comment-new' : 'wall-new' );

	$uri = item_new_uri($a->get_hostname(),$profile_uid);

	$r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`, 
		`author-name`, `author-link`, `author-avatar`, `created`, `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`, 
		`tag`, `inform`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
		VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
		intval($profile_uid),
		dbesc($post_type),
		intval($wall),
		intval($gravity),
		intval($contact_id),
		dbesc($contact_record['name']),
		dbesc($contact_record['url']),
		dbesc($contact_record['thumb']),
		dbesc($author['name']),
		dbesc($author['url']),
		dbesc($author['thumb']),
		dbesc(datetime_convert()),
		dbesc(datetime_convert()),
		dbesc(datetime_convert()),
		dbesc($uri),
		dbesc($title),
		dbesc($body),
		dbesc($location),
		dbesc($coord),
		dbesc($str_tags),
		dbesc($inform),
		dbesc($verb),
		dbesc($str_contact_allow),
		dbesc($str_group_allow),
		dbesc($str_contact_deny),
		dbesc($str_group_deny)
	);
	$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
		dbesc($uri));
	if(count($r)) {
		$post_id = $r[0]['id'];

		if($parent) {

			// This item is the last leaf and gets the comment box, clear any ancestors
			$r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
				dbesc(datetime_convert()),
				intval($parent)
			);

			// Inherit ACL's from the parent item.
			// TODO merge with subsequent UPDATE operation and save a db write 

			$r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
				WHERE `id` = %d LIMIT 1",
				dbesc($parent_item['allow_cid']),
				dbesc($parent_item['allow_gid']),
				dbesc($parent_item['deny_cid']),
				dbesc($parent_item['deny_gid']),
				intval($post_id)
			);

			// Send a notification email to the conversation owner, unless the owner is me and I wrote this item
			if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
				require_once('bbcode.php');
				$from = $author['name'];
				$tpl = load_view_file('view/cmnt_received_eml.tpl');			
				$email_tpl = replace_macros($tpl, array(
					'$sitename' => $a->config['sitename'],
					'$siteurl' =>  $a->get_baseurl(),
					'$username' => $user['username'],
					'$email' => $user['email'],
					'$from' => $from,
					'$body' => strip_tags(bbcode($body))
				));

				$res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
					$email_tpl,t("From: Administrator@") . $a->get_hostname() );
			}
		}
		else {
			$parent = $post_id;

			// let me know if somebody did a wall-to-wall post on my profile

			if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
				require_once('bbcode.php');
				$from = $author['name'];
				$tpl = load_view_file('view/wall_received_eml.tpl');			
				$email_tpl = replace_macros($tpl, array(
					'$sitename' => $a->config['sitename'],
					'$siteurl' =>  $a->get_baseurl(),
					'$username' => $user['username'],
					'$email' => $user['email'],
					'$from' => $from,
					'$body' => strip_tags(bbcode($body))
				));

				$res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
					$email_tpl,t("From: Administrator@") . $a->get_hostname() );
			}
		}

		$r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
			WHERE `id` = %d LIMIT 1",
			intval($parent),
			dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
			dbesc(datetime_convert()),
			intval($post_id)
		);

		// photo comments turn the corresponding item visible to the profile wall
		// This way we don't see every picture in your new photo album posted to your wall at once.
		// They will show up as people comment on them.

		if(! $parent_item['visible']) {
			$r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
				intval($parent_item['id'])
			);
		}
	}

	$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');

	proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
		array(),$foo));

	goaway($a->get_baseurl() . "/" . $_POST['return'] );
	return; // NOTREACHED
}

function item_content(&$a) {

	if((! local_user()) && (! remote_user()))
		return;

	require_once('include/security.php');

	$uid = $_SESSION['uid'];

	if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {

		// locate item to be deleted

		$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
			intval($a->argv[2])
		);

		if(! count($r)) {
			notice( t('Item not found.') . EOL);
			goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
		}
		$item = $r[0];

		// check if logged in user is either the author or owner of this item

		if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {

			// delete the item

			$r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
				dbesc(datetime_convert()),
				dbesc(datetime_convert()),
				intval($item['id'])
			);

			// If item is a link to a photo resource, nuke all the associated photos 
			// (visitors will not have photo resources)
			// This only applies to photos uploaded from the photos page. Photos inserted into a post do not
			// generate a resource-id and therefore aren't intimately linked to the item. 

			if(strlen($item['resource-id'])) {
				$q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
					dbesc($item['resource-id']),
					intval($item['uid'])
				);
				// ignore the result
			}

			// If it's the parent of a comment thread, kill all the kids

			if($item['uri'] == $item['parent-uri']) {
				$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' 
					WHERE `parent-uri` = '%s' AND `uid` = %d ",
					dbesc(datetime_convert()),
					dbesc(datetime_convert()),
					dbesc($item['parent-uri']),
					intval($item['uid'])
				);
				// ignore the result
			}
			else {
				// ensure that last-child is set in case the comment that had it just got wiped.
				q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
					dbesc(datetime_convert()),
					dbesc($item['parent-uri']),
					intval($item['uid'])
				);
				// who is the last child now? 
				$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
					dbesc($item['parent-uri']),
					intval($item['uid'])
				);
				if(count($r)) {
					q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
						intval($r[0]['id'])
					);
				}	
			}
			$drop_id = intval($item['id']);
			$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
			
			// send the notification upstream/downstream as the case may be

			proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
				array(), $foo));

			goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
			return; //NOTREACHED
		}
		else {
			notice( t('Permission denied.') . EOL);
			goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
			//NOTREACHED
		}
	}
}