mirror of
https://codeberg.org/streams/streams.git
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182 lines
No EOL
4.7 KiB
PHP
182 lines
No EOL
4.7 KiB
PHP
<?php
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namespace Zotlabs\Module;
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/**
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*
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* This is the POST destination for most all locally posted
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* text stuff. This function handles status, wall-to-wall status,
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* local comments, and remote coments that are posted on this site
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* (as opposed to being delivered in a feed).
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* Also processed here are posts and comments coming through the
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* statusnet/twitter API.
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* All of these become an "item" which is our basic unit of
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* information.
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* Posts that originate externally or do not fall into the above
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* posting categories go through item_store() instead of this function.
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*
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*/
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use Zotlabs\Lib\Libsync;
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use Zotlabs\Lib\Activity;
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use Zotlabs\Lib\ActivityStreams;
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use Zotlabs\Lib\LDSignatures;
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use Zotlabs\Web\HTTPSig;
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use Zotlabs\Web\Controller;
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use Zotlabs\Lib\Libzot;
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use Zotlabs\Lib\ThreadListener;
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use Zotlabs\Lib\IConfig;
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use Zotlabs\Lib\Enotify;
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use App;
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require_once('include/attach.php');
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require_once('include/bbcode.php');
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require_once('include/security.php');
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class Id extends Controller {
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function init() {
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if(Libzot::is_zot_request()) {
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$conversation = false;
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$item_id = argv(1);
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if(! $item_id)
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http_status_exit(404, 'Not found');
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$portable_id = EMPTY_STR;
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$sigdata = HTTPSig::verify(EMPTY_STR);
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if($sigdata['portable_id'] && $sigdata['header_valid']) {
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$portable_id = $sigdata['portable_id'];
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}
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$item_normal = " and item.item_hidden = 0 and item.item_type = 0 and item.item_unpublished = 0 and item.item_delayed = 0 and item.item_blocked = 0 ";
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$sql_extra = item_permissions_sql(0);
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$r = q("select * from item where mid like '%s' $item_normal $sql_extra limit 1",
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dbesc('%/' . $item_id)
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);
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if(! $r) {
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$r = q("select * from item where mid like '%s' $item_normal limit 1",
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dbesc('%/' . $item_id)
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);
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if($r) {
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http_status_exit(403, 'Forbidden');
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}
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http_status_exit(404, 'Not found');
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}
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$items = q("select parent as item_id from item where mid = '%s' and uid = %d $item_normal $sql_extra ",
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dbesc($r[0]['parent_mid']),
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intval($r[0]['uid'])
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);
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if(! $items) {
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http_status_exit(404, 'Not found');
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}
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$r = $items;
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$parents_str = ids_to_querystr($r,'item_id');
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$items = q("SELECT item.*, item.id AS item_id FROM item WHERE item.parent IN ( %s ) $item_normal $sql_extra ",
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dbesc($parents_str)
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);
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if(! $items) {
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http_status_exit(404, 'Not found');
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}
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$r = $items;
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xchan_query($r,true);
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$items = fetch_post_tags($r,true);
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$observer = App::get_observer();
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$parent = $items[0];
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$recips = (($parent['owner']['xchan_network'] === 'activitypub') ? get_iconfig($parent['id'],'activitypub','recips', []) : []);
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$to = (($recips && array_key_exists('to',$recips) && is_array($recips['to'])) ? $recips['to'] : null);
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$nitems = [];
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foreach($items as $i) {
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$mids = [];
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if(intval($i['item_private'])) {
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if(! $observer) {
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continue;
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}
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// ignore private reshare, possibly from hubzilla
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if($i['verb'] === 'Announce') {
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if(! in_array($i['thr_parent'],$mids)) {
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$mids[] = $i['thr_parent'];
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}
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continue;
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}
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// also ignore any children of the private reshares
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if(in_array($i['thr_parent'],$mids)) {
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continue;
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}
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if((! $to) || (! in_array($observer['xchan_url'],$to))) {
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continue;
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}
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}
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$nitems[] = $i;
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}
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if(! $nitems)
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http_status_exit(404, 'Not found');
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$chan = channelx_by_n($nitems[0]['uid']);
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if(! $chan)
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http_status_exit(404, 'Not found');
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if(! perm_is_allowed($chan['channel_id'],get_observer_hash(),'view_stream'))
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http_status_exit(403, 'Forbidden');
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$i = Activity::encode_item_collection($nitems,'conversation/' . $item_id,'OrderedCollection',( defined('NOMADIC') ? false : true));
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if($portable_id) {
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ThreadListener::store(z_root() . '/item/' . $item_id,$portable_id);
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}
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if(! $i)
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http_status_exit(404, 'Not found');
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$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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]], $i);
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$headers = [];
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$headers['Content-Type'] = 'application/x-zot+json' ;
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$x['signature'] = LDSignatures::sign($x,$chan);
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$ret = json_encode($x, JSON_UNESCAPED_SLASHES);
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$headers['Digest'] = HTTPSig::generate_digest_header($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 $ret;
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killme();
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}
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if(argc() > 1 && argv(1) !== 'drop') {
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$x = q("select plink from item where mid = '%s' limit 1",
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dbesc(z_root() . '/item/' . argv(1))
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);
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if($x) {
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goaway($x[0]['plink']);
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}
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}
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}
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} |