3b23f89ca2
- Fix local formatting - Remove unused variable - Fix unreached breaks - Remove commented out code - Add some documentation
290 lines
8.6 KiB
PHP
290 lines
8.6 KiB
PHP
<?php
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/**
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* @file include/follow.php
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*/
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use Friendica\App;
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use Friendica\Core\Config;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
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use Friendica\Database\DBM;
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use Friendica\Model\Contact;
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use Friendica\Model\Group;
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use Friendica\Model\User;
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use Friendica\Network\Probe;
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use Friendica\Protocol\Diaspora;
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use Friendica\Protocol\OStatus;
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use Friendica\Protocol\PortableContact;
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use Friendica\Protocol\Salmon;
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function update_contact($id)
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{
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/*
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Warning: Never ever fetch the public key via Probe::uri and write it into the contacts.
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This will reliably kill your communication with Friendica contacts.
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*/
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$r = q("SELECT `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `network` FROM `contact` WHERE `id` = %d", intval($id));
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if (!$r) {
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return false;
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}
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$ret = Probe::uri($r[0]["url"]);
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// If Probe::uri fails the network code will be different
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if ($ret["network"] != $r[0]["network"]) {
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return false;
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}
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$update = false;
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// make sure to not overwrite existing values with blank entries
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foreach ($ret AS $key => $val) {
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if (isset($r[0][$key]) && ($r[0][$key] != "") && ($val == ""))
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$ret[$key] = $r[0][$key];
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if (isset($r[0][$key]) && ($ret[$key] != $r[0][$key]))
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$update = true;
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}
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if (!$update) {
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return true;
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}
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q("UPDATE `contact` SET `url` = '%s', `nurl` = '%s', `addr` = '%s', `alias` = '%s', `batch` = '%s', `notify` = '%s', `poll` = '%s', `poco` = '%s' WHERE `id` = %d",
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dbesc($ret['url']),
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dbesc(normalise_link($ret['url'])),
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dbesc($ret['addr']),
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dbesc($ret['alias']),
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dbesc($ret['batch']),
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dbesc($ret['notify']),
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dbesc($ret['poll']),
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dbesc($ret['poco']),
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intval($id)
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);
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// Update the corresponding gcontact entry
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PortableContact::lastUpdated($ret["url"]);
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return true;
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}
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/**
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* Takes a $uid and a url/handle and adds a new contact
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* Currently if the contact is DFRN, interactive needs to be true, to redirect to the
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* dfrn_request page.
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*
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* Otherwise this can be used to bulk add statusnet contacts, twitter contacts, etc.
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*
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* Returns an array
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* $return['success'] boolean true if successful
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* $return['message'] error text if success is false.
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*
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* @brief Takes a $uid and a url/handle and adds a new contact
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* @param int $uid
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* @param string $url
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* @param bool $interactive
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* @param string $network
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* @return boolean|string
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*/
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function new_contact($uid, $url, $interactive = false, $network = '')
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{
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$result = array('cid' => -1, 'success' => false, 'message' => '');
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$a = get_app();
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// remove ajax junk, e.g. Twitter
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$url = str_replace('/#!/', '/', $url);
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if (!allowed_url($url)) {
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$result['message'] = t('Disallowed profile URL.');
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return $result;
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}
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if (blocked_url($url)) {
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$result['message'] = t('Blocked domain');
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return $result;
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}
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if (!$url) {
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$result['message'] = t('Connect URL missing.');
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return $result;
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}
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$arr = array('url' => $url, 'contact' => array());
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call_hooks('follow', $arr);
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if (x($arr['contact'], 'name')) {
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$ret = $arr['contact'];
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} else {
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$ret = Probe::uri($url, $network, $uid, false);
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}
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if (($network != '') && ($ret['network'] != $network)) {
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logger('Expected network ' . $network . ' does not match actual network ' . $ret['network']);
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return result;
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}
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if ($ret['network'] === NETWORK_DFRN) {
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if ($interactive) {
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if (strlen($a->path)) {
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$myaddr = bin2hex(System::baseUrl() . '/profile/' . $a->user['nickname']);
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} else {
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$myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
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}
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goaway($ret['request'] . "&addr=$myaddr");
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// NOTREACHED
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}
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} elseif (Config::get('system', 'dfrn_only')) {
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$result['message'] = t('This site is not configured to allow communications with other networks.') . EOL;
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$result['message'] != t('No compatible communication protocols or feeds were discovered.') . EOL;
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return $result;
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}
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// This extra param just confuses things, remove it
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if ($ret['network'] === NETWORK_DIASPORA) {
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$ret['url'] = str_replace('?absolute=true', '', $ret['url']);
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}
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// do we have enough information?
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if (!((x($ret, 'name')) && (x($ret, 'poll')) && ((x($ret, 'url')) || (x($ret, 'addr'))))) {
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$result['message'] .= t('The profile address specified does not provide adequate information.') . EOL;
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if (!x($ret, 'poll')) {
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$result['message'] .= t('No compatible communication protocols or feeds were discovered.') . EOL;
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}
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if (!x($ret, 'name')) {
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$result['message'] .= t('An author or name was not found.') . EOL;
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}
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if (!x($ret, 'url')) {
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$result['message'] .= t('No browser URL could be matched to this address.') . EOL;
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}
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if (strpos($url, '@') !== false) {
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$result['message'] .= t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL;
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$result['message'] .= t('Use mailto: in front of address to force email check.') . EOL;
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}
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return $result;
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}
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if ($ret['network'] === NETWORK_OSTATUS && Config::get('system', 'ostatus_disabled')) {
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$result['message'] .= t('The profile address specified belongs to a network which has been disabled on this site.') . EOL;
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$ret['notify'] = '';
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}
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if (!$ret['notify']) {
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$result['message'] .= t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL;
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}
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$writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
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$subhub = (($ret['network'] === NETWORK_OSTATUS) ? true : false);
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$hidden = (($ret['network'] === NETWORK_MAIL) ? 1 : 0);
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if (in_array($ret['network'], array(NETWORK_MAIL, NETWORK_DIASPORA))) {
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$writeable = 1;
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}
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// check if we already have a contact
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// the poll url is more reliable than the profile url, as we may have
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// indirect links or webfinger links
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` IN ('%s', '%s') AND `network` = '%s' LIMIT 1",
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intval($uid),
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dbesc($ret['poll']),
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dbesc(normalise_link($ret['poll'])),
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dbesc($ret['network'])
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);
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if (!DBM::is_result($r)) {
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` = '%s' LIMIT 1",
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intval($uid), dbesc(normalise_link($url)), dbesc($ret['network'])
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);
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}
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if (DBM::is_result($r)) {
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// update contact
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$new_relation = (($r[0]['rel'] == CONTACT_IS_FOLLOWER) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
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$fields = array('rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false);
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dba::update('contact', $fields, array('id' => $r[0]['id']));
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} else {
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$new_relation = ((in_array($ret['network'], array(NETWORK_MAIL))) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
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// create contact record
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q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `name`, `nick`, `network`, `pubkey`, `rel`, `priority`,
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`writable`, `hidden`, `blocked`, `readonly`, `pending`, `subhub` )
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VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d, 0, 0, 0, %d ) ",
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intval($uid),
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dbesc(datetime_convert()),
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dbesc($ret['url']),
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dbesc(normalise_link($ret['url'])),
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dbesc($ret['addr']),
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dbesc($ret['alias']),
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dbesc($ret['batch']),
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dbesc($ret['notify']),
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dbesc($ret['poll']),
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dbesc($ret['poco']),
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dbesc($ret['name']),
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dbesc($ret['nick']),
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dbesc($ret['network']),
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dbesc($ret['pubkey']),
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intval($new_relation),
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intval($ret['priority']),
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intval($writeable),
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intval($hidden),
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intval($subhub)
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);
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}
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$r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($ret['url']),
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dbesc($ret['network']),
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intval($uid)
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);
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if (!DBM::is_result($r)) {
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$result['message'] .= t('Unable to retrieve contact information.') . EOL;
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return $result;
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}
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$contact = $r[0];
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$contact_id = $r[0]['id'];
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$result['cid'] = $contact_id;
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Group::addMember(User::getDefaultGroup($uid, $contact["network"]), $contact_id);
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// Update the avatar
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Contact::updateAvatar($ret['photo'], $uid, $contact_id);
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// pull feed and consume it, which should subscribe to the hub.
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Worker::add(PRIORITY_HIGH, "OnePoll", $contact_id, "force");
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$r = q("SELECT `contact`.*, `user`.* FROM `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
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WHERE `user`.`uid` = %d AND `contact`.`self` LIMIT 1",
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intval($uid)
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);
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if (DBM::is_result($r)) {
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if (($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) {
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// create a follow slap
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$item = array();
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$item['verb'] = ACTIVITY_FOLLOW;
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$item['follow'] = $contact["url"];
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$slap = OStatus::salmon($item, $r[0]);
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Salmon::slapper($r[0], $contact['notify'], $slap);
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}
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if ($contact['network'] == NETWORK_DIASPORA) {
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$ret = Diaspora::sendShare($a->user, $contact);
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logger('share returns: ' . $ret);
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}
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}
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$result['success'] = true;
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return $result;
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}
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