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friendica-github/include/socgraph.php

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<?php
require_once('include/datetime.php');
/*
* poco_load
*
* Given a contact-id (minimum), load the PortableContacts friend list for that contact,
* and add the entries to the gcontact (Global Contact) table, or update existing entries
* if anything (name or photo) has changed.
* We use normalised urls for comparison which ignore http vs https and www.domain vs domain
*
* Once the global contact is stored add (if necessary) the contact linkage which associates
* the given uid, cid to the global contact entry. There can be many uid/cid combinations
* pointing to the same global contact id.
*
*/
function poco_load($cid,$uid = 0,$zcid = 0,$url = null) {
require_once("include/html2bbcode.php");
$a = get_app();
if($cid) {
if((! $url) || (! $uid)) {
$r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
intval($cid)
);
if(count($r)) {
$url = $r[0]['poco'];
$uid = $r[0]['uid'];
}
}
if(! $uid)
return;
}
if(! $url)
return;
$url = $url . (($uid) ? '/@me/@all?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,generation' : '?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,generation') ;
logger('poco_load: ' . $url, LOGGER_DEBUG);
$s = fetch_url($url);
logger('poco_load: returns ' . $s, LOGGER_DATA);
logger('poco_load: return code: ' . $a->get_curl_code(), LOGGER_DEBUG);
if(($a->get_curl_code() > 299) || (! $s))
return;
$j = json_decode($s);
logger('poco_load: json: ' . print_r($j,true),LOGGER_DATA);
if(! isset($j->entry))
return;
$total = 0;
foreach($j->entry as $entry) {
$total ++;
$profile_url = '';
$profile_photo = '';
$connect_url = '';
$name = '';
$network = '';
$updated = '0000-00-00 00:00:00';
$location = '';
$about = '';
$keywords = '';
$gender = '';
$generation = 0;
$name = $entry->displayName;
if(isset($entry->urls)) {
foreach($entry->urls as $url) {
if($url->type == 'profile') {
$profile_url = $url->value;
continue;
}
if($url->type == 'webfinger') {
$connect_url = str_replace('acct:' , '', $url->value);
continue;
}
}
}
if(isset($entry->photos)) {
foreach($entry->photos as $photo) {
if($photo->type == 'profile') {
$profile_photo = $photo->value;
continue;
}
}
}
if(isset($entry->updated))
$updated = date("Y-m-d H:i:s", strtotime($entry->updated));
if(isset($entry->network))
$network = $entry->network;
if(isset($entry->currentLocation))
$location = $entry->currentLocation;
if(isset($entry->aboutMe))
$about = html2bbcode($entry->aboutMe);
if(isset($entry->gender))
$gender = $entry->gender;
if(isset($entry->generation) AND ($entry->generation > 0))
$generation = ++$entry->generation;
if(isset($entry->tags))
foreach($entry->tags as $tag)
$keywords = implode(", ", $tag);
// If you query a Friendica server for its profiles, the network has to be Friendica
if ($uid == 0)
$network = NETWORK_DFRN;
poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid);
// Update the Friendica contacts. Diaspora is doing it via a message. (See include/diaspora.php)
if (($location != "") OR ($about != "") OR ($keywords != "") OR ($gender != ""))
q("UPDATE `contact` SET `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s'
WHERE `nurl` = '%s' AND NOT `self` AND `network` = '%s'",
dbesc($location),
dbesc($about),
dbesc($keywords),
dbesc($gender),
dbesc(normalise_link($profile_url)),
dbesc(NETWORK_DFRN));
}
logger("poco_load: loaded $total entries",LOGGER_DEBUG);
q("DELETE FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `zcid` = %d AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY",
intval($cid),
intval($uid),
intval($zcid)
);
}
function poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid = 0, $uid = 0, $zcid = 0) {
$a = get_app();
// Generation:
// 0: No definition
// 1: Profiles on this server
// 2: Contacts of profiles on this server
// 3: Contacts of contacts of profiles on this server
// 4: ...
$gcid = "";
if ($profile_url == "")
return $gcid;
// Don't store the statusnet connector as network
// We can't simply set this to NETWORK_OSTATUS since the connector could have fetched posts from friendica as well
if ($network == NETWORK_STATUSNET)
$network = "";
// The global contacts should contain the original picture, not the cached one
if (($generation != 1) AND stristr(normalise_link($profile_photo), normalise_link($a->get_baseurl()."/photo/")))
$profile_photo = "";
$r = q("SELECT `network` FROM `contact` WHERE `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1",
dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET)
);
if(count($r))
$network = $r[0]["network"];
if (($network == "") OR ($network == NETWORK_OSTATUS)) {
$r = q("SELECT `network`, `url` FROM `contact` WHERE `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1",
dbesc($profile_url), dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET)
);
if(count($r)) {
$network = $r[0]["network"];
$profile_url = $r[0]["url"];
}
}
$x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
dbesc(normalise_link($profile_url))
);
if(count($x) AND ($network == "") AND ($x[0]["network"] != NETWORK_STATUSNET))
$network = $x[0]["network"];
if (($network == "") OR ($name == "") OR ($profile_photo == "")) {
require_once("include/Scrape.php");
$data = probe_url($profile_url);
$network = $data["network"];
$name = $data["name"];
$profile_url = $data["url"];
$profile_photo = $data["photo"];
}
if (count($x) AND ($x[0]["network"] == "") AND ($network != "")) {
q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
dbesc($network),
dbesc(normalise_link($profile_url))
);
}
if (($name == "") OR ($profile_photo == ""))
return $gcid;
if (!in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA)))
return $gcid;
logger("profile-check generation: ".$generation." Network: ".$network." URL: ".$profile_url." name: ".$name." avatar: ".$profile_photo, LOGGER_DEBUG);
if(count($x)) {
$gcid = $x[0]['id'];
if (($location == "") AND ($x[0]['location'] != ""))
$location = $x[0]['location'];
if (($about == "") AND ($x[0]['about'] != ""))
$about = $x[0]['about'];
if (($gender == "") AND ($x[0]['gender'] != ""))
$gender = $x[0]['gender'];
if (($keywords == "") AND ($x[0]['keywords'] != ""))
$keywords = $x[0]['keywords'];
if (($generation == 0) AND ($x[0]['generation'] > 0))
$generation = $x[0]['generation'];
if($x[0]['name'] != $name || $x[0]['photo'] != $profile_photo || $x[0]['updated'] < $updated) {
q("UPDATE `gcontact` SET `name` = '%s', `network` = '%s', `photo` = '%s', `connect` = '%s', `url` = '%s',
`updated` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s', `generation` = %d
WHERE (`generation` >= %d OR `generation` = 0) AND `nurl` = '%s'",
dbesc($name),
dbesc($network),
dbesc($profile_photo),
dbesc($connect_url),
dbesc($profile_url),
dbesc($updated),
dbesc($location),
dbesc($about),
dbesc($keywords),
dbesc($gender),
intval($generation),
intval($generation),
dbesc(normalise_link($profile_url))
);
}
} else {
q("INSERT INTO `gcontact` (`name`,`network`, `url`,`nurl`,`photo`,`connect`, `updated`, `location`, `about`, `keywords`, `gender`, `generation`)
VALUES ('%s', '%s', '%s', '%s', '%s','%s', '%s', '%s', '%s', '%s', '%s', %d)",
dbesc($name),
dbesc($network),
dbesc($profile_url),
dbesc(normalise_link($profile_url)),
dbesc($profile_photo),
dbesc($connect_url),
dbesc($updated),
dbesc($location),
dbesc($about),
dbesc($keywords),
dbesc($gender),
intval($generation)
);
$x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
dbesc(normalise_link($profile_url))
);
if(count($x))
$gcid = $x[0]['id'];
}
if(! $gcid)
return $gcid;
$r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
intval($cid),
intval($uid),
intval($gcid),
intval($zcid)
);
if(! count($r)) {
q("INSERT INTO `glink` (`cid`,`uid`,`gcid`,`zcid`, `updated`) VALUES (%d,%d,%d,%d, '%s') ",
intval($cid),
intval($uid),
intval($gcid),
intval($zcid),
dbesc(datetime_convert())
);
} else {
q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
dbesc(datetime_convert()),
intval($cid),
intval($uid),
intval($gcid),
intval($zcid)
);
}
// For unknown reasons there are sometimes duplicates
q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d AND
NOT EXISTS (SELECT `gcid` FROM `glink` WHERE `gcid` = `gcontact`.`id`)",
dbesc(normalise_link($profile_url)),
intval($gcid)
);
return $gcid;
}
function poco_contact_from_body($body, $created, $cid, $uid) {
preg_replace_callback("/\[share(.*?)\].*?\[\/share\]/ism",
function ($match) use ($created, $cid, $uid){
return(sub_poco_from_share($match, $created, $cid, $uid));
}, $body);
}
function sub_poco_from_share($share, $created, $cid, $uid) {
$profile = "";
preg_match("/profile='(.*?)'/ism", $share[1], $matches);
if ($matches[1] != "")
$profile = $matches[1];
preg_match('/profile="(.*?)"/ism', $share[1], $matches);
if ($matches[1] != "")
$profile = $matches[1];
if ($profile == "")
return;
logger("prepare poco_check for profile ".$profile, LOGGER_DEBUG);
poco_check($profile, "", "", "", "", "", "", "", "", $created, 3, $cid, $uid);
}
function poco_store($item) {
// Isn't it public?
if ($item['private'])
return;
// Or is it from a network where we don't store the global contacts?
if (!in_array($item["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_STATUSNET, "")))
return;
// Is it a global copy?
$store_gcontact = ($item["uid"] == 0);
// Is it a comment on a global copy?
if (!$store_gcontact AND ($item["uri"] != $item["parent-uri"])) {
$q = q("SELECT `id` FROM `item` WHERE `uri`='%s' AND `uid` = 0", $item["parent-uri"]);
$store_gcontact = count($q);
}
if (!$store_gcontact)
return;
// "3" means: We don't know this contact directly (Maybe a reshared item)
$generation = 3;
$network = "";
$profile_url = $item["author-link"];
// Is it a user from our server?
$q = q("SELECT `id` FROM `contact` WHERE `self` AND `nurl` = '%s' LIMIT 1",
dbesc(normalise_link($item["author-link"])));
if (count($q)) {
logger("Our user (generation 1): ".$item["author-link"], LOGGER_DEBUG);
$generation = 1;
$network = NETWORK_DFRN;
} else { // Is it a contact from a user on our server?
$q = q("SELECT `network`, `url` FROM `contact` WHERE `uid` != 0 AND `network` != ''
AND (`nurl` = '%s' OR `alias` IN ('%s', '%s')) AND `network` != '%s' LIMIT 1",
dbesc(normalise_link($item["author-link"])),
dbesc(normalise_link($item["author-link"])),
dbesc($item["author-link"]),
dbesc(NETWORK_STATUSNET));
if (count($q)) {
$generation = 2;
$network = $q[0]["network"];
$profile_url = $q[0]["url"];
logger("Known contact (generation 2): ".$profile_url, LOGGER_DEBUG);
}
}
if ($generation == 3)
logger("Unknown contact (generation 3): ".$item["author-link"], LOGGER_DEBUG);
poco_check($profile_url, $item["author-name"], $network, $item["author-avatar"], "", "", "", "", "", $item["received"], $generation, $item["contact-id"], $item["uid"]);
// Maybe its a body with a shared item? Then extract a global contact from it.
poco_contact_from_body($item["body"], $item["received"], $item["contact-id"], $item["uid"]);
}
function count_common_friends($uid,$cid) {
$r = q("SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`cid` = %d and `glink`.`uid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
intval($cid),
intval($uid),
intval($uid),
intval($cid)
);
// logger("count_common_friends: $uid $cid {$r[0]['total']}");
if(count($r))
return $r[0]['total'];
return 0;
}
function common_friends($uid,$cid,$start = 0,$limit=9999,$shuffle = false) {
if($shuffle)
$sql_extra = " order by rand() ";
else
$sql_extra = " order by `gcontact`.`name` asc ";
$r = q("SELECT `gcontact`.*
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`cid` = %d and `glink`.`uid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d )
$sql_extra limit %d, %d",
intval($cid),
intval($uid),
intval($uid),
intval($cid),
intval($start),
intval($limit)
);
return $r;
}
function count_common_friends_zcid($uid,$zcid) {
$r = q("SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`zcid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
intval($zcid),
intval($uid)
);
if(count($r))
return $r[0]['total'];
return 0;
}
function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
if($shuffle)
$sql_extra = " order by rand() ";
else
$sql_extra = " order by `gcontact`.`name` asc ";
$r = q("SELECT `gcontact`.*
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`zcid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
$sql_extra limit %d, %d",
intval($zcid),
intval($uid),
intval($start),
intval($limit)
);
return $r;
}
function count_all_friends($uid,$cid) {
$r = q("SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`cid` = %d and `glink`.`uid` = %d ",
intval($cid),
intval($uid)
);
if(count($r))
return $r[0]['total'];
return 0;
}
function all_friends($uid,$cid,$start = 0, $limit = 80) {
$r = q("SELECT `gcontact`.*
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`cid` = %d and `glink`.`uid` = %d
order by `gcontact`.`name` asc LIMIT %d, %d ",
intval($cid),
intval($uid),
intval($start),
intval($limit)
);
return $r;
}
function suggestion_query($uid, $start = 0, $limit = 80) {
if(! $uid)
return array();
$network = array(NETWORK_DFRN);
if (get_config('system','diaspora_enabled'))
$network[] = NETWORK_DIASPORA;
if (!get_config('system','ostatus_disabled'))
$network[] = NETWORK_OSTATUS;
$sql_network = implode("', '", $network);
//$sql_network = "'".$sql_network."', ''";
$sql_network = "'".$sql_network."'";
$r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
INNER JOIN glink on glink.gcid = gcontact.id
where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
and not gcontact.name in ( select name from contact where uid = %d )
and not gcontact.id in ( select gcid from gcign where uid = %d )
AND `gcontact`.`updated` != '0000-00-00 00:00:00'
AND `gcontact`.`network` IN (%s)
group by glink.gcid order by gcontact.updated desc,total desc limit %d, %d ",
intval($uid),
intval($uid),
intval($uid),
intval($uid),
$sql_network,
intval($start),
intval($limit)
);
if(count($r) && count($r) >= ($limit -1))
return $r;
$r2 = q("SELECT gcontact.* from gcontact
INNER JOIN glink on glink.gcid = gcontact.id
where glink.uid = 0 and glink.cid = 0 and glink.zcid = 0 and not gcontact.nurl in ( select nurl from contact where uid = %d )
and not gcontact.name in ( select name from contact where uid = %d )
and not gcontact.id in ( select gcid from gcign where uid = %d )
AND `gcontact`.`updated` != '0000-00-00 00:00:00'
AND `gcontact`.`network` IN (%s)
order by rand() limit %d, %d ",
intval($uid),
intval($uid),
intval($uid),
$sql_network,
intval($start),
intval($limit)
);
$list = array();
foreach ($r2 AS $suggestion)
$list[$suggestion["nurl"]] = $suggestion;
foreach ($r AS $suggestion)
$list[$suggestion["nurl"]] = $suggestion;
return $list;
}
function update_suggestions() {
$a = get_app();
$done = array();
poco_load(0,0,0,$a->get_baseurl() . '/poco');
$done[] = $a->get_baseurl() . '/poco';
if(strlen(get_config('system','directory_submit_url'))) {
$x = fetch_url('http://dir.friendica.com/pubsites');
if($x) {
$j = json_decode($x);
if($j->entries) {
foreach($j->entries as $entry) {
$url = $entry->url . '/poco';
if(! in_array($url,$done))
poco_load(0,0,0,$entry->url . '/poco');
}
}
}
}
$r = q("select distinct(poco) as poco from contact where network = '%s'",
dbesc(NETWORK_DFRN)
);
if(count($r)) {
foreach($r as $rr) {
$base = substr($rr['poco'],0,strrpos($rr['poco'],'/'));
if(! in_array($base,$done))
poco_load(0,0,0,$base);
}
}
}
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