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
require_once("include/Scrape.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;
$ret = probe_url($r[0]["url"]);
// If probe_url fails the network code will be different
if ($ret["network"] != $r[0]["network"])
return;
$update = false;
// make sure to not overwrite existing values with blank entries
foreach ($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;
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)
);
}
//
// 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(! $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))
$myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']);
else
$myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
goaway($ret['request'] . "&addr=$myaddr");
// NOTREACHED
}
}
else {
if(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($ret['network'] === NETWORK_MAIL) {
$writeable = 1;
}
if($ret['network'] === 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($ret['network'])
);
if(count($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(count($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($network)
);
if(count($r))
$total_network = $r[0]['total'];
if(! service_class_allows($uid,'total_contacts_' . $network,$total_network)) {
$result['message'] .= upgrade_message();
return $result;
}
$new_relation = (($ret['network'] === NETWORK_MAIL) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
if($ret['network'] === NETWORK_DIASPORA)
$new_relation = CONTACT_IS_FOLLOWER;
// 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(! count($r)) {
$result['message'] .= t('Unable to retrieve contact information.') . EOL;
return $result;
}
$contact = $r[0];
$contact_id = $r[0]['id'];
$result['cid'] = $contact_id;
$g = q("select def_gid from user where uid = %d limit 1",
intval($uid)
);
if($g && intval($g[0]['def_gid'])) {
require_once('include/group.php');
group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
}
require_once("include/Photo.php");
$photos = import_profile_photo($ret['photo'],$uid,$contact_id);
$r = q("UPDATE `contact` SET `photo` = '%s',
`thumb` = '%s',
`micro` = '%s',
`name-date` = '%s',
`uri-date` = '%s',
`avatar-date` = '%s'
WHERE `id` = %d",
dbesc($photos[0]),
dbesc($photos[1]),
dbesc($photos[2]),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($contact_id)
);
// pull feed and consume it, which should subscribe to the hub.
proc_run('php',"include/poller.php","$contact_id");
// create a follow slap
$tpl = get_markup_template('follow_slap.tpl');
$slap = replace_macros($tpl, array(
'$name' => $a->user['username'],
'$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
'$photo' => $a->contact['photo'],
'$thumb' => $a->contact['thumb'],
'$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
'$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
'$title' => '',
'$type' => 'text',
'$content' => t('following'),
'$nick' => $a->user['nickname'],
'$verb' => ACTIVITY_FOLLOW,
'$ostat_follow' => ''
));
$r = q("SELECT `contact`.*, `user`.* FROM `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
intval($uid)
);
if(count($r)) {
if(($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) {
require_once('include/salmon.php');
slapper($r[0],$contact['notify'],$slap);
}
if($contact['network'] == NETWORK_DIASPORA) {
require_once('include/diaspora.php');
$ret = diaspora_share($a->user,$contact);
logger('mod_follow: diaspora_share returns: ' . $ret);
}
}
$result['success'] = true;
return $result;
}