aboutsummaryrefslogtreecommitdiffstats
path: root/mod/search.php
blob: 5b15b059361f1f980630658c44044e69e2205f41 (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
<?php

function search_init(&$a) {
	if(x($_REQUEST,'search'))
		$a->data['search'] = $_REQUEST['search'];
}


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

	if((get_config('system','block_public')) || (get_config('system','block_public_search'))) {
		if ((! local_user()) && (! remote_user())) {
			notice( t('Public access denied.') . EOL);
		return;
		}
	}
	nav_set_selected('search');

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

	$format = (($_REQUEST['format']) ? $_REQUEST['format'] : '');
	if($format !== '') {
		$update = $load = 1;
	}

	$observer = $a->get_observer();
	$observer_hash = (($observer) ? $observer['xchan_hash'] : '');

	$o = '<div id="live-search"></div>' . "\r\n";

	$o .= '<h3>' . t('Search') . '</h3>';

	if(x($a->data,'search'))
		$search = trim($a->data['search']);
	else
		$search = ((x($_GET,'search')) ? trim(rawurldecode($_GET['search'])) : '');

	$tag = false;
	if(x($_GET,'tag')) {
		$tag = true;
		$search = ((x($_GET,'tag')) ? trim(rawurldecode($_GET['tag'])) : '');
	}

	if((! local_user()) || (! feature_enabled(local_user(),'savedsearch')))
		$o .= search($search,'search-box','/search',((local_user()) ? true : false));

	if(strpos($search,'#') === 0) {
		$tag = true;
		$search = substr($search,1);
	}
	if(strpos($search,'@') === 0) {
		$search = substr($search,1);
		goaway(z_root() . '/directory' . '?f=1&search=' . $search);
	}

	// look for a naked webbie
	if(strpos($search,'@') !== false) {
		goaway(z_root() . '/directory' . '?f=1&search=' . $search);
	}

	if(! $search)
		return $o;

	if($tag) {
		$sql_extra = sprintf(" AND `item`.`id` IN (select `oid` from term where otype = %d and type = %d and term = '%s') ",
			intval(TERM_OBJ_POST),
			intval(TERM_HASHTAG),
			dbesc(protect_sprintf($search))
		);
	}
	else {
		$regstr = db_getfunc('REGEXP');
		$sql_extra = sprintf(" AND `item`.`body` $regstr '%s' ", dbesc(protect_sprintf(preg_quote($search))));
	}

	// Here is the way permissions work in the search module...
	// Only public posts can be shown
	// OR your own posts if you are a logged in member
	// No items will be shown if the member has a blocked profile wall. 

	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.

		$o .= '<div id="live-search"></div>' . "\r\n";
		$o .= "<script> var profile_uid = " . ((intval(local_user())) ? local_user() : (-1))
			. "; var netargs = '?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";

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


	}

	$pub_sql = public_permissions_sql($observer_hash);

	require_once('include/identity.php');

	$sys = get_sys_channel();

	if(($update) && ($load)) {
		$itemspage = get_pconfig(local_user(),'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']));

		// in case somebody turned off public access to sys channel content with permissions

		if(! perm_is_allowed($sys['channel_id'],$observer_hash,'view_stream'))
			$sys['xchan_hash'] .= 'disabled';

		if($load) {
			$r = null;
			
			if(ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
				$prefix = 'distinct on (created, mid)';
				$suffix = 'ORDER BY created DESC, mid';
			} else {
				$prefix = 'distinct';
				$suffix = 'group by mid ORDER BY created DESC';
			}
			if(local_user()) {
				$r = q("SELECT $prefix mid, item.id as item_id, item.* from item
					WHERE item_restrict = 0
					AND ((( `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' AND item_private = 0 ) 
					OR ( `item`.`uid` = %d )) OR item.owner_xchan = '%s' )
					$sql_extra
					$suffix $pager_sql ",
					intval(local_user()),
					dbesc($sys['xchan_hash'])
				);
			}
			if($r === null) {
				$r = q("SELECT $prefix mid, item.id as item_id, item.* from item
					WHERE item_restrict = 0
					AND (((( `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = ''
					AND `item`.`deny_gid`  = '' AND item_private = 0 )
					and owner_xchan in ( " . stream_perms_xchans(($observer) ? (PERMS_NETWORK|PERMS_PUBLIC) : PERMS_PUBLIC) . " ))
						$pub_sql ) OR owner_xchan = '%s')
					$sql_extra 
					$suffix $pager_sql",
					dbesc($sys['xchan_hash'])
				);
			}
		}
		else {
			$r = array();
		}
	}

	if($r) {
		xchan_query($r);
		$items = fetch_post_tags($r,true);
	} else {
		$items = array();
	}


	if($format == 'json') {
		$result = array();
		require_once('include/conversation.php');
		foreach($items as $item) {
			$item['html'] = bbcode($item['body']);
			$x = encode_item($item);
			$x['html'] = prepare_text($item['body'],$item['mimetype']);
			$result[] = $x;
		}
		json_return_and_die(array('success' => true,'messages' => $result));
	}

	if($tag) 
		$o .= '<h2>Items tagged with: ' . htmlspecialchars($search, ENT_COMPAT,'UTF-8') . '</h2>';
	else
		$o .= '<h2>Search results for: ' . htmlspecialchars($search, ENT_COMPAT,'UTF-8') . '</h2>';

	$o .= conversation($a,$items,'search',$update,'client');

	return $o;
}