520 lines
14 KiB
PHP
520 lines
14 KiB
PHP
<?php /** @file */
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require_once('include/dir_fns.php');
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require_once('include/zot.php');
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/**
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* poco_load
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*
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* xchan is your connection
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* We will load their friend list, and store in xlink_xchan your connection hash and xlink_link the hash for each connection
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* If xchan isn't provided we will load the list of people from url who have indicated they are willing to be friends with
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* new folks and add them to xlink with no xlink_xchan.
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*
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* Old behaviour: (documentation only):
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* Given a contact-id (minimum), load the PortableContacts friend list for that contact,
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* and add the entries to the gcontact (Global Contact) table, or update existing entries
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* if anything (name or photo) has changed.
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* We use normalised urls for comparison which ignore http vs https and www.domain vs domain
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*
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* Once the global contact is stored add (if necessary) the contact linkage which associates
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* the given uid, cid to the global contact entry. There can be many uid/cid combinations
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* pointing to the same global contact id.
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*
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* @param string $xchan
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* @param string $url
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*/
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function poco_load($xchan = '', $url = null) {
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if($xchan && ! $url) {
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$r = q("select xchan_connurl from xchan where xchan_hash = '%s' limit 1",
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dbesc($xchan)
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);
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if($r) {
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$url = $r[0]['xchan_connurl'];
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}
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}
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if(! $url) {
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logger('poco_load: no url');
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return;
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}
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$url = $url . '?f=&fields=displayName,hash,urls,photos' ;
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logger('poco_load: ' . $url, LOGGER_DEBUG);
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$s = z_fetch_url($url);
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if(! $s['success']) {
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if($s['return_code'] == 401)
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logger('poco_load: protected');
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elseif($s['return_code'] == 404)
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logger('poco_load: nothing found');
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else
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logger('poco_load: returns ' . print_r($s,true));
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return;
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}
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$j = json_decode($s['body'],true);
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if(! $j) {
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logger('poco_load: unable to json_decode returned data.');
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return;
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}
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logger('poco_load: ' . print_r($j,true),LOGGER_DATA);
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if($xchan) {
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if(array_key_exists('chatrooms',$j) && is_array($j['chatrooms'])) {
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foreach($j['chatrooms'] as $room) {
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if((! $room['url']) || (! $room['desc']))
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continue;
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$r = q("select * from xchat where xchat_url = '%s' and xchat_xchan = '%s' limit 1",
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dbesc($room['url']),
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dbesc($xchan)
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);
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if($r) {
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q("update xchat set xchat_edited = '%s' where xchat_id = %d",
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dbesc(datetime_convert()),
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intval($r[0]['xchat_id'])
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);
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}
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else {
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$x = q("insert into xchat ( xchat_url, xchat_desc, xchat_xchan, xchat_edited )
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values ( '%s', '%s', '%s', '%s' ) ",
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dbesc(escape_tags($room['url'])),
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dbesc(escape_tags($room['desc'])),
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dbesc($xchan),
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dbesc(datetime_convert())
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);
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}
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}
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}
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q("delete from xchat where xchat_edited < %s - INTERVAL %s and xchat_xchan = '%s' ",
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db_utcnow(), db_quoteinterval('7 DAY'),
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dbesc($xchan)
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);
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}
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if(! ((x($j,'entry')) && (is_array($j['entry'])))) {
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logger('poco_load: no entries');
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return;
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}
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$total = 0;
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foreach($j['entry'] as $entry) {
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$profile_url = '';
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$profile_photo = '';
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$address = '';
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$name = '';
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$hash = '';
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$rating = 0;
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$name = $entry['displayName'];
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$hash = $entry['hash'];
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if(x($entry,'urls') && is_array($entry['urls'])) {
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foreach($entry['urls'] as $url) {
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if($url['type'] == 'profile') {
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$profile_url = $url['value'];
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continue;
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}
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if($url['type'] == 'zot') {
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$network = $url['type'];
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$address = str_replace('acct:' , '', $url['value']);
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continue;
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}
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}
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}
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if(x($entry,'photos') && is_array($entry['photos'])) {
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foreach($entry['photos'] as $photo) {
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if($photo['type'] == 'profile') {
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$profile_photo = $photo['value'];
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continue;
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}
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}
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}
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if((! $name) || (! $profile_url) || (! $profile_photo) || (! $hash) || (! $address)) {
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logger('poco_load: missing data');
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continue;
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}
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$x = q("select xchan_hash from xchan where xchan_hash = '%s' limit 1",
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dbesc($hash)
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);
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// We've never seen this person before. Import them.
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if(($x !== false) && (! count($x))) {
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if($address) {
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if($network === 'zot') {
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$j = Zotlabs\Zot\Finger::run($address,null);
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if($j['success']) {
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import_xchan($j);
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}
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$x = q("select xchan_hash from xchan where xchan_hash = '%s' limit 1",
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dbesc($hash)
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);
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if(! $x) {
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continue;
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}
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}
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}
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else {
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continue;
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}
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}
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$total ++;
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$r = q("select * from xlink where xlink_xchan = '%s' and xlink_link = '%s' and xlink_static = 0 limit 1",
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dbesc($xchan),
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dbesc($hash)
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);
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if(! $r) {
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q("insert into xlink ( xlink_xchan, xlink_link, xlink_updated, xlink_static ) values ( '%s', '%s', '%s', 0 ) ",
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dbesc($xchan),
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dbesc($hash),
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dbesc(datetime_convert())
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);
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}
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else {
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q("update xlink set xlink_updated = '%s' where xlink_id = %d",
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dbesc(datetime_convert()),
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intval($r[0]['xlink_id'])
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);
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}
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}
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logger("poco_load: loaded $total entries",LOGGER_DEBUG);
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q("delete from xlink where xlink_xchan = '%s' and xlink_updated < %s - INTERVAL %s and xlink_static = 0",
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dbesc($xchan),
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db_utcnow(), db_quoteinterval('2 DAY')
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);
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}
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function count_common_friends($uid,$xchan) {
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$r = q("SELECT count(xlink_id) as total from xlink where xlink_xchan = '%s' and xlink_static = 0 and xlink_link in
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(select abook_xchan from abook where abook_xchan != '%s' and abook_channel = %d and abook_self = 0 )",
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dbesc($xchan),
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dbesc($xchan),
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intval($uid)
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);
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if($r)
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return $r[0]['total'];
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return 0;
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}
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function common_friends($uid,$xchan,$start = 0,$limit=100000000,$shuffle = false) {
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$rand = db_getfunc('rand');
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if($shuffle)
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$sql_extra = " order by $rand ";
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else
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$sql_extra = " order by xchan_name asc ";
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$r = q("SELECT * from xchan left join xlink on xlink_link = xchan_hash where xlink_xchan = '%s' and xlink_static = 0 and xlink_link in
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(select abook_xchan from abook where abook_xchan != '%s' and abook_channel = %d and abook_self = 0 ) $sql_extra limit %d offset %d",
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dbesc($xchan),
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dbesc($xchan),
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intval($uid),
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intval($limit),
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intval($start)
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);
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return $r;
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}
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function suggestion_query($uid, $myxchan, $start = 0, $limit = 80) {
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if((! $uid) || (! $myxchan))
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return array();
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$r = q("SELECT count(xlink_xchan) as total, xchan.* from xchan
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left join xlink on xlink_link = xchan_hash
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where xlink_xchan in ( select abook_xchan from abook where abook_channel = %d )
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and not xlink_link in ( select abook_xchan from abook where abook_channel = %d )
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and not xlink_link in ( select xchan from xign where uid = %d )
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and xlink_xchan != ''
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and xchan_hidden = 0
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and xchan_deleted = 0
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and xlink_static = 0
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group by xchan_hash order by total desc limit %d offset %d ",
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intval($uid),
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intval($uid),
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intval($uid),
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intval($limit),
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intval($start)
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);
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if($r && count($r) >= ($limit -1))
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return $r;
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$r2 = q("SELECT count(xlink_link) as total, xchan.* from xchan
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left join xlink on xlink_link = xchan_hash
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where xlink_xchan = ''
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and not xlink_link in ( select abook_xchan from abook where abook_channel = %d )
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and not xlink_link in ( select xchan from xign where uid = %d )
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and xchan_hidden = 0
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and xchan_deleted = 0
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and xlink_static = 0
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group by xchan_hash order by total desc limit %d offset %d ",
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intval($uid),
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intval($uid),
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intval($limit),
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intval($start)
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);
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if(is_array($r) && is_array($r2))
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return array_merge($r,$r2);
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return array();
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}
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function update_suggestions() {
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$dirmode = get_config('system', 'directory_mode');
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if($dirmode === false)
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$dirmode = DIRECTORY_MODE_NORMAL;
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if(($dirmode == DIRECTORY_MODE_PRIMARY) || ($dirmode == DIRECTORY_MODE_STANDALONE)) {
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$url = z_root() . '/sitelist';
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}
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else {
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$directory = find_upstream_directory($dirmode);
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$url = $directory['url'] . '/sitelist';
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}
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if(! $url)
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return;
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$ret = z_fetch_url($url);
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if($ret['success']) {
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// We will grab fresh data once a day via the poller. Remove anything over a week old because
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// the targets may have changed their preferences and don't want to be suggested - and they
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// may have simply gone away.
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$r = q("delete from xlink where xlink_xchan = '' and xlink_updated < %s - INTERVAL %s and xlink_static = 0",
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db_utcnow(), db_quoteinterval('7 DAY')
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);
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$j = json_decode($ret['body'],true);
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if($j && $j['success']) {
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foreach($j['entries'] as $host) {
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poco_load('',$host['url'] . '/poco');
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}
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}
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}
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}
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function poco($a,$extended = false) {
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$system_mode = false;
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if(observer_prohibited()) {
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logger('mod_poco: block_public');
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http_status_exit(401);
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}
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$observer = App::get_observer();
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if(argc() > 1) {
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$user = notags(trim(argv(1)));
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}
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if(! x($user)) {
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$c = q("select * from pconfig where cat = 'system' and k = 'suggestme' and v = '1'");
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if(! $c) {
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logger('mod_poco: system mode. No candidates.', LOGGER_DEBUG);
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http_status_exit(404);
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}
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$system_mode = true;
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}
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$format = (($_REQUEST['format']) ? $_REQUEST['format'] : 'json');
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$justme = false;
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if(argc() > 2 && argv(2) === '@me')
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$justme = true;
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if(argc() > 3) {
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if(argv(3) === '@all')
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$justme = false;
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elseif(argv(3) === '@self')
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$justme = true;
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}
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if(argc() > 4 && intval(argv(4)) && $justme == false)
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$cid = intval(argv(4));
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if(! $system_mode) {
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$r = q("SELECT channel_id from channel where channel_address = '%s' limit 1",
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dbesc($user)
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);
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if(! $r) {
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logger('mod_poco: user mode. Account not found. ' . $user);
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http_status_exit(404);
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}
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$channel_id = $r[0]['channel_id'];
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$ohash = (($observer) ? $observer['xchan_hash'] : '');
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if(! perm_is_allowed($channel_id,$ohash,'view_contacts')) {
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logger('mod_poco: user mode. Permission denied for ' . $ohash . ' user: ' . $user);
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http_status_exit(401);
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}
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}
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if($justme)
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$sql_extra = " and abook_self = 1 ";
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else
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$sql_extra = " and abook_self = 0 ";
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if($cid)
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$sql_extra = sprintf(" and abook_id = %d and abook_hidden = 0 ",intval($cid));
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if($system_mode) {
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$r = q("SELECT count(*) as total from abook where abook_self = 1
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and abook_channel in (select uid from pconfig where cat = 'system' and k = 'suggestme' and v = '1') ");
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}
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else {
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$r = q("SELECT count(*) as total from abook where abook_channel = %d
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$sql_extra ",
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intval($channel_id)
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);
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$rooms = q("select * from menu_item where ( mitem_flags & " . intval(MENU_ITEM_CHATROOM) . " )>0 and allow_cid = '' and allow_gid = '' and deny_cid = '' and deny_gid = '' and mitem_channel_id = %d",
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intval($channel_id)
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);
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}
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if($r)
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$totalResults = intval($r[0]['total']);
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else
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$totalResults = 0;
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$startIndex = intval($_GET['startIndex']);
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if(! $startIndex)
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$startIndex = 0;
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$itemsPerPage = ((x($_GET,'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
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if($system_mode) {
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$r = q("SELECT abook.*, xchan.* from abook left join xchan on abook_xchan = xchan_hash where abook_self = 1
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and abook_channel in (select uid from pconfig where cat = 'system' and k = 'suggestme' and v = '1')
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limit %d offset %d ",
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intval($itemsPerPage),
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intval($startIndex)
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);
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} else {
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$r = q("SELECT abook.*, xchan.* from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d
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$sql_extra LIMIT %d OFFSET %d",
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intval($channel_id),
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intval($itemsPerPage),
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intval($startIndex)
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);
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}
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$ret = array();
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if(x($_GET,'sorted'))
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$ret['sorted'] = 'false';
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if(x($_GET,'filtered'))
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$ret['filtered'] = 'false';
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if(x($_GET,'updatedSince'))
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$ret['updateSince'] = 'false';
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$ret['startIndex'] = (string) $startIndex;
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$ret['itemsPerPage'] = (string) $itemsPerPage;
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$ret['totalResults'] = (string) $totalResults;
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if($rooms) {
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$ret['chatrooms'] = array();
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foreach($rooms as $room) {
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$ret['chatrooms'][] = array('url' => $room['mitem_link'], 'desc' => $room['mitem_desc']);
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}
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}
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$ret['entry'] = array();
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$fields_ret = array(
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'id' => false,
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'guid' => false,
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'guid_sig' => false,
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'hash' => false,
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'displayName' => false,
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'urls' => false,
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'preferredUsername' => false,
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'photos' => false,
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'rating' => false
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);
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if((! x($_GET,'fields')) || ($_GET['fields'] === '@all')) {
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foreach($fields_ret as $k => $v)
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$fields_ret[$k] = true;
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} else {
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$fields_req = explode(',',$_GET['fields']);
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foreach($fields_req as $f)
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$fields_ret[trim($f)] = true;
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}
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if(is_array($r)) {
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if(count($r)) {
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foreach($r as $rr) {
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$entry = array();
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if($fields_ret['id'])
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$entry['id'] = $rr['abook_id'];
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if($fields_ret['guid'])
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$entry['guid'] = $rr['xchan_guid'];
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if($fields_ret['guid_sig'])
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$entry['guid_sig'] = $rr['xchan_guid_sig'];
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if($fields_ret['hash'])
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$entry['hash'] = $rr['xchan_hash'];
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if($fields_ret['displayName'])
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$entry['displayName'] = $rr['xchan_name'];
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if($fields_ret['urls']) {
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$entry['urls'] = array(array('value' => $rr['xchan_url'], 'type' => 'profile'));
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$network = $rr['xchan_network'];
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if($rr['xchan_addr'])
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$entry['urls'][] = array('value' => 'acct:' . $rr['xchan_addr'], 'type' => $network);
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}
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if($fields_ret['preferredUsername'])
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$entry['preferredUsername'] = substr($rr['xchan_addr'],0,strpos($rr['xchan_addr'],'@'));
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if($fields_ret['photos'])
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$entry['photos'] = array(array('value' => $rr['xchan_photo_l'], 'mimetype' => $rr['xchan_photo_mimetype'], 'type' => 'profile'));
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$ret['entry'][] = $entry;
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}
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}
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else
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$ret['entry'][] = array();
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}
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else
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http_status_exit(500);
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if($format === 'xml') {
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header('Content-type: text/xml');
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echo replace_macros(get_markup_template('poco_xml.tpl'),array_xmlify(array('$response' => $ret)));
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http_status_exit(500);
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|
}
|
|
if($format === 'json') {
|
|
header('Content-type: application/json');
|
|
echo json_encode($ret);
|
|
killme();
|
|
}
|
|
else
|
|
http_status_exit(500);
|
|
|
|
}
|