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109 lines
No EOL
2.9 KiB
PHP
109 lines
No EOL
2.9 KiB
PHP
<?php
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namespace Zotlabs\Module;
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use Zotlabs\Web\Controller;
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use Zotlabs\Lib\ActivityStreams;
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use Zotlabs\Lib\Activity as ZlibActivity;
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use Zotlabs\Web\HTTPSig;
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use Zotlabs\Lib\LDSignatures;
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class Activity extends Controller {
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function init() {
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if (ActivityStreams::is_as_request()) {
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$item_id = argv(1);
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if (! $item_id) {
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return;
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}
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$ob_authorise = false;
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$item_uid = 0;
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$bear = ZlibActivity::token_from_request();
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if ($bear) {
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logger('bear: ' . $bear, LOGGER_DEBUG);
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$t = q("select item.uid, iconfig.v from iconfig left join item on iid = item.id where cat = 'ocap' and item.uuid = '%s'",
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dbesc($item_id)
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);
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if ($t) {
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foreach ($t as $token) {
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if ($token['v'] === $bear) {
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$ob_authorize = true;
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$item_uid = $token['uid'];
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break;
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}
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}
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}
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}
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$item_normal = " and item.item_hidden = 0 and item.item_type = 0 and item.item_unpublished = 0
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and item.item_delayed = 0 and item.item_blocked = 0 ";
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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 = $sigdata['portable_id'];
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if (! check_channelallowed($portable_id)) {
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http_status_exit(403, 'Permission denied');
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}
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if (! check_siteallowed($sigdata['signer'])) {
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http_status_exit(403, 'Permission denied');
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}
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observer_auth($portable_id);
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}
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// if passed an owner_id of 0 to item_permissions_sql(), we force "guest access" or observer checking
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// Give ocap tokens priority
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if ($ob_authorize) {
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$sql_extra = " and item.uid = " . intval($token['uid']) . " ";
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}
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else {
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$sql_extra = item_permissions_sql(0);
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}
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$r = q("select * from item where uuid = '%s' $item_normal $sql_extra and item_deleted = 0 limit 1",
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dbesc($item_id)
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);
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if (! $r) {
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$r = q("select * from item where uuid = '%s' $item_normal limit 1",
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dbesc($item_id)
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);
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if($r) {
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http_status_exit(403, 'Forbidden');
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}
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http_status_exit(404, 'Not found');
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}
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xchan_query($r,true);
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$items = fetch_post_tags($r,false);
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$channel = channelx_by_n($items[0]['uid']);
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$x = array_merge( ['@context' => [
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ACTIVITYSTREAMS_JSONLD_REV,
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'https://w3id.org/security/v1',
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z_root() . ZOT_APSCHEMA_REV
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]], ZlibActivity::encode_activity($items[0],get_config('system','activitypub',true)));
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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,$channel);
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$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($headers,$channel['channel_prvkey'],channel_url($channel));
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HTTPSig::set_headers($h);
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echo $ret;
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killme();
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}
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goaway(z_root() . '/item/' . argv(1));
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}
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} |