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https://codeberg.org/streams/streams.git
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183 lines
4.7 KiB
PHP
183 lines
4.7 KiB
PHP
<?php
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namespace Zotlabs\Module;
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use App;
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use Zotlabs\Web\Controller;
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use Zotlabs\Lib\Libsync;
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use Zotlabs\Lib\ActivityStreams;
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use Zotlabs\Lib\Activity;
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use Zotlabs\Lib\Libzot;
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use Zotlabs\Web\HTTPSig;
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use Zotlabs\Lib\LDSignatures;
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use Zotlabs\Lib\Connect;
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use Zotlabs\Daemon\Run;
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class Follow extends Controller {
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function init() {
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if (ActivityStreams::is_as_request() && argc() == 2) {
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$abook_id = intval(argv(1));
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if(! $abook_id)
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return;
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$r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_id = %d",
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intval($abook_id)
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);
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if (! $r) {
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return;
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}
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$chan = channelx_by_n($r[0]['abook_channel']);
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if (! $chan) {
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http_status_exit(404, 'Not found');
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}
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$actor = Activity::encode_person($chan,true,true);
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if (! $actor) {
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http_status_exit(404, 'Not found');
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}
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$x = array_merge(['@context' => [
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ACTIVITYSTREAMS_JSONLD_REV,
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'https://w3id.org/security/v1',
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z_root() . ZOT_APSCHEMA_REV
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]],
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[
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'id' => z_root() . '/follow/' . $r[0]['abook_id'],
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'type' => 'Follow',
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'actor' => $actor,
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'object' => $r[0]['xchan_url']
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]);
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$headers = [];
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$headers['Content-Type'] = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"' ;
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$x['signature'] = LDSignatures::sign($x,$chan);
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$ret = json_encode($x, JSON_UNESCAPED_SLASHES);
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$headers['Date'] = datetime_convert('UTC','UTC', 'now', 'D, d M Y H:i:s \\G\\M\\T');
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$headers['Digest'] = HTTPSig::generate_digest_header($ret);
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$headers['(request-target)'] = strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI'];
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$h = HTTPSig::create_sig($headers,$chan['channel_prvkey'],channel_url($chan));
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HTTPSig::set_headers($h);
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echo $ret;
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killme();
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}
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$uid = local_channel();
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if (! $uid) {
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return;
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}
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$url = notags(trim(punify($_REQUEST['url'])));
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$return_url = $_SESSION['return_url'];
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$confirm = intval($_REQUEST['confirm']);
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$interactive = (($_REQUEST['interactive']) ? intval($_REQUEST['interactive']) : 1);
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$channel = App::get_channel();
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$result = Connect::connect($channel,$url);
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if ($result['success'] == false) {
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if ((strpos($url,'http') === 0) || strpos($url,'bear:') === 0 || strpos($url,'x-zot:') === 0) {
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$n = Activity::fetch($url);
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if ($n) {
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// set client flag to convert objects to implied activities
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$a = new ActivityStreams($n,null,true);
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if ($a->type === 'Announce' && is_array($a->obj)
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&& array_key_exists('object',$a->obj) && array_key_exists('actor',$a->obj)) {
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// This is a relayed/forwarded Activity (as opposed to a shared/boosted object)
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// Reparse the encapsulated Activity and use that instead
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logger('relayed activity',LOGGER_DEBUG);
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$a = new ActivityStreams($a->obj,null,true);
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}
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if ($a->is_valid()) {
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if (is_array($a->actor) && array_key_exists('id',$a->actor)) {
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Activity::actor_store($a->actor['id'],$a->actor);
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}
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// ActivityPub sourced items are cacheable
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$item = Activity::decode_note($a,true);
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if ($item) {
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Activity::store($channel,get_observer_hash(),$a,$item,false);
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}
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}
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}
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}
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$r = q("select * from item where mid = '%s' and uid = %d",
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dbesc($url),
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intval($uid)
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);
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if ($r) {
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if ($interactive) {
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goaway(z_root() . '/display/' . gen_link_id($url));
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}
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else {
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$result['success'] = true;
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json_return_and_die($result);
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}
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}
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if ($result['message']) {
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notice($result['message']);
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}
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if ($interactive) {
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goaway($return_url);
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}
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else {
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json_return_and_die($result);
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}
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}
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info( t('Connection added.') . EOL);
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$clone = array();
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foreach ($result['abook'] as $k => $v) {
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if (strpos($k,'abook_') === 0) {
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$clone[$k] = $v;
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}
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}
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unset($clone['abook_id']);
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unset($clone['abook_account']);
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unset($clone['abook_channel']);
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$abconfig = load_abconfig($channel['channel_id'],$clone['abook_xchan']);
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if ($abconfig) {
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$clone['abconfig'] = $abconfig;
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}
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Libsync::build_sync_packet(0, [ 'abook' => [ $clone ] ], true);
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$can_view_stream = their_perms_contains($channel['channel_id'],$clone['abook_xchan'],'view_stream');
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// If we can view their stream, pull in some posts
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if (($can_view_stream) || ($result['abook']['xchan_network'] === 'rss')) {
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Run::Summon([ 'Onepoll', $result['abook']['abook_id'] ]);
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}
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if ($interactive) {
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goaway(z_root() . '/connedit/' . $result['abook']['abook_id'] . '?follow=1');
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}
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else {
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json_return_and_die([ 'success' => true ]);
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}
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}
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function get() {
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if (! local_channel()) {
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return login();
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}
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}
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}
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