Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
use Friendica\App;
require_once("include/Scrape.php");
require_once("include/socgraph.php");
require_once('include/group.php');
require_once('include/salmon.php');
require_once('include/ostatus.php');
require_once("include/Photo.php");
require_once('include/diaspora.php');
function update_contact($id) {
/*
Warning: Never ever fetch the public key via probe_url and write it into the contacts.
This will reliably kill your communication with Friendica contacts.
*/
$r = q("SELECT `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `network` FROM `contact` WHERE `id` = %d", intval($id));
if (!$r)
return false;
$ret = probe_url($r[0]["url"]);
// If probe_url fails the network code will be different
if ($ret["network"] != $r[0]["network"])
return false;
$update = false;
// make sure to not overwrite existing values with blank entries
foreach ($ret AS $key => $val) {
if (isset($r[0][$key]) AND ($r[0][$key] != "") AND ($val == ""))
$ret[$key] = $r[0][$key];
if (isset($r[0][$key]) AND ($ret[$key] != $r[0][$key]))
$update = true;
}
if (!$update)
return true;
q("UPDATE `contact` SET `url` = '%s', `nurl` = '%s', `addr` = '%s', `alias` = '%s', `batch` = '%s', `notify` = '%s', `poll` = '%s', `poco` = '%s' WHERE `id` = %d",
dbesc($ret['url']),
dbesc(normalise_link($ret['url'])),
dbesc($ret['addr']),
dbesc($ret['alias']),
dbesc($ret['batch']),
dbesc($ret['notify']),
dbesc($ret['poll']),
dbesc($ret['poco']),
intval($id)
);
// Update the corresponding gcontact entry
poco_last_updated($ret["url"]);
return true;
}
//
// Takes a $uid and a url/handle and adds a new contact
// Currently if the contact is DFRN, interactive needs to be true, to redirect to the
// dfrn_request page.
// Otherwise this can be used to bulk add statusnet contacts, twitter contacts, etc.
// Returns an array
// $return['success'] boolean true if successful
// $return['message'] error text if success is false.
function new_contact($uid,$url,$interactive = false) {
$result = array('cid' => -1, 'success' => false,'message' => '');
$a = get_app();
// remove ajax junk, e.g. Twitter
$url = str_replace('/#!/','/',$url);
if (! allowed_url($url)) {
$result['message'] = t('Disallowed profile URL.');
return $result;
}
if (blocked_url($url)) {
$result['message'] = t('Blocked domain');
return $result;
}
if (! $url) {
$result['message'] = t('Connect URL missing.');
return $result;
}
$arr = array('url' => $url, 'contact' => array());
call_hooks('follow', $arr);
if (x($arr['contact'],'name')) {
$ret = $arr['contact'];
}
else {
$ret = probe_url($url);
}
if ($ret['network'] === NETWORK_DFRN) {
if ($interactive) {
if (strlen($a->path)) {
$myaddr = bin2hex(App::get_baseurl() . '/profile/' . $a->user['nickname']);
} else {
$myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
}
goaway($ret['request'] . "&addr=$myaddr");
// NOTREACHED
}
} elseif (get_config('system','dfrn_only')) {
$result['message'] = t('This site is not configured to allow communications with other networks.') . EOL;
$result['message'] != t('No compatible communication protocols or feeds were discovered.') . EOL;
return $result;
}
// This extra param just confuses things, remove it
if ($ret['network'] === NETWORK_DIASPORA) {
$ret['url'] = str_replace('?absolute=true','',$ret['url']);
}
// do we have enough information?
if (! ((x($ret,'name')) && (x($ret,'poll')) && ((x($ret,'url')) || (x($ret,'addr'))))) {
$result['message'] .= t('The profile address specified does not provide adequate information.') . EOL;
if (! x($ret,'poll')) {
$result['message'] .= t('No compatible communication protocols or feeds were discovered.') . EOL;
}
if (! x($ret,'name')) {
$result['message'] .= t('An author or name was not found.') . EOL;
}
if (! x($ret,'url')) {
$result['message'] .= t('No browser URL could be matched to this address.') . EOL;
}
if (strpos($url,'@') !== false) {
$result['message'] .= t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL;
$result['message'] .= t('Use mailto: in front of address to force email check.') . EOL;
}
return $result;
}
if ($ret['network'] === NETWORK_OSTATUS && get_config('system','ostatus_disabled')) {
$result['message'] .= t('The profile address specified belongs to a network which has been disabled on this site.') . EOL;
$ret['notify'] = '';
}
if (! $ret['notify']) {
$result['message'] .= t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL;
}
$writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
$subhub = (($ret['network'] === NETWORK_OSTATUS) ? true : false);
$hidden = (($ret['network'] === NETWORK_MAIL) ? 1 : 0);
if (in_array($ret['network'], array(NETWORK_MAIL, NETWORK_DIASPORA))) {
$writeable = 1;
}
// check if we already have a contact
// the poll url is more reliable than the profile url, as we may have
// indirect links or webfinger links
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` IN ('%s', '%s') AND `network` = '%s' LIMIT 1",
intval($uid),
dbesc($ret['poll']),
dbesc(normalise_link($ret['poll'])),
dbesc($ret['network'])
);
if (!dbm::is_result($r))
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` = '%s' LIMIT 1",
intval($uid), dbesc(normalise_link($url)), dbesc($ret['network'])
);
if (dbm::is_result($r)) {
// update contact
if ($r[0]['rel'] == CONTACT_IS_FOLLOWER || ($network === NETWORK_DIASPORA && $r[0]['rel'] == CONTACT_IS_SHARING)) {
q("UPDATE `contact` SET `rel` = %d , `subhub` = %d, `readonly` = 0 WHERE `id` = %d AND `uid` = %d",
intval(CONTACT_IS_FRIEND),
intval($subhub),
intval($r[0]['id']),
intval($uid)
);
}
} else {
// check service class limits
$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `pending` = 0 AND `self` = 0",
intval($uid)
);
if (dbm::is_result($r))
$total_contacts = $r[0]['total'];
if (! service_class_allows($uid,'total_contacts',$total_contacts)) {
$result['message'] .= upgrade_message();
return $result;
}
$r = q("SELECT COUNT(`network`) AS `total` FROM `contact` WHERE `uid` = %d AND `network` = '%s' AND `pending` = 0 AND `self` = 0",
intval($uid),
dbesc($network)
);
if (dbm::is_result($r)) {
$total_network = $r[0]['total'];
}
if (! service_class_allows($uid,'total_contacts_' . $network,$total_network)) {
$result['message'] .= upgrade_message();
return $result;
}
$new_relation = ((in_array($ret['network'], array(NETWORK_MAIL, NETWORK_DIASPORA))) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
// create contact record
$r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `name`, `nick`, `network`, `pubkey`, `rel`, `priority`,
`writable`, `hidden`, `blocked`, `readonly`, `pending`, `subhub` )
VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d, 0, 0, 0, %d ) ",
intval($uid),
dbesc(datetime_convert()),
dbesc($ret['url']),
dbesc(normalise_link($ret['url'])),
dbesc($ret['addr']),
dbesc($ret['alias']),
dbesc($ret['batch']),
dbesc($ret['notify']),
dbesc($ret['poll']),
dbesc($ret['poco']),
dbesc($ret['name']),
dbesc($ret['nick']),
dbesc($ret['network']),
dbesc($ret['pubkey']),
intval($new_relation),
intval($ret['priority']),
intval($writeable),
intval($hidden),
intval($subhub)
);
}
$r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
dbesc($ret['url']),
dbesc($ret['network']),
intval($uid)
);
if (! dbm::is_result($r)) {
$result['message'] .= t('Unable to retrieve contact information.') . EOL;
return $result;
}
$contact = $r[0];
$contact_id = $r[0]['id'];
$result['cid'] = $contact_id;
$def_gid = get_default_group($uid, $contact["network"]);
if (intval($def_gid)) {
group_add_member($uid, '', $contact_id, $def_gid);
}
// Update the avatar
update_contact_avatar($ret['photo'],$uid,$contact_id);
// pull feed and consume it, which should subscribe to the hub.
proc_run(PRIORITY_HIGH, "include/onepoll.php", $contact_id, "force");
$r = q("SELECT `contact`.*, `user`.* FROM `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `user`.`uid` = %d AND `contact`.`self` LIMIT 1",
intval($uid)
);
if (dbm::is_result($r)) {
if (($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) {
// create a follow slap
$item = array();
$item['verb'] = ACTIVITY_FOLLOW;
$item['follow'] = $contact["url"];
$slap = ostatus::salmon($item, $r[0]);
slapper($r[0], $contact['notify'], $slap);
}
if ($contact['network'] == NETWORK_DIASPORA) {
$ret = Diaspora::send_share($a->user,$contact);
logger('share returns: '.$ret);
}
}
$result['success'] = true;
return $result;
}