diff options
Diffstat (limited to 'Zotlabs')
-rw-r--r-- | Zotlabs/Lib/Activity.php | 45 | ||||
-rw-r--r-- | Zotlabs/Lib/ActivityStreams.php | 20 | ||||
-rw-r--r-- | Zotlabs/Lib/ZotURL.php | 91 | ||||
-rw-r--r-- | Zotlabs/Module/Id.php | 186 |
4 files changed, 320 insertions, 22 deletions
diff --git a/Zotlabs/Lib/Activity.php b/Zotlabs/Lib/Activity.php index bcbe53df7..9aaf6d866 100644 --- a/Zotlabs/Lib/Activity.php +++ b/Zotlabs/Lib/Activity.php @@ -2,10 +2,7 @@ namespace Zotlabs\Lib; -use Zotlabs\Lib\Libzot; -use Zotlabs\Lib\Libsync; -use Zotlabs\Lib\ActivityStreams; -use Zotlabs\Lib\Group; +use Zotlabs\Zot6\HTTPSig; class Activity { @@ -43,6 +40,46 @@ class Activity { } + static function fetch($url,$channel = null) { + $redirects = 0; + if(! check_siteallowed($url)) { + logger('blacklisted: ' . $url); + return null; + } + if(! $channel) { + $channel = get_sys_channel(); + } + + logger('fetch: ' . $url, LOGGER_DEBUG); + + if(strpos($url,'x-zot:') === 0) { + $x = ZotURL::fetch($url,$channel); + } + else { + $m = parse_url($url); + $headers = [ + 'Accept' => 'application/activity+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams"', + 'Host' => $m['host'], + '(request-target)' => 'get ' . get_request_string($url), + 'Date' => datetime_convert('UTC','UTC','now','D, d M Y H:i:s') . ' UTC' + ]; + $h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel),false); + $x = z_fetch_url($url, true, $redirects, [ 'headers' => $h ] ); + } + + if($x['success']) { + $y = json_decode($x['body'],true); + logger('returned: ' . json_encode($y,JSON_PRETTY_PRINT|JSON_UNESCAPED_SLASHES)); + return json_decode($x['body'], true); + } + else { + logger('fetch failed: ' . $url); + } + return null; + } + + + static function fetch_person($x) { return self::fetch_profile($x); diff --git a/Zotlabs/Lib/ActivityStreams.php b/Zotlabs/Lib/ActivityStreams.php index 49978031e..a357b6d69 100644 --- a/Zotlabs/Lib/ActivityStreams.php +++ b/Zotlabs/Lib/ActivityStreams.php @@ -263,24 +263,8 @@ class ActivityStreams { return self::fetch($url); } - static function fetch($url) { - $redirects = 0; - if(! check_siteallowed($url)) { - logger('blacklisted: ' . $url); - return null; - } - logger('fetch: ' . $url, LOGGER_DEBUG); - $x = z_fetch_url($url, true, $redirects, - [ 'headers' => [ 'Accept: application/activity+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams"' ]]); - if($x['success']) { - $y = json_decode($x['body'],true); - logger('returned: ' . json_encode($y,JSON_PRETTY_PRINT|JSON_UNESCAPED_SLASHES)); - return json_decode($x['body'], true); - } - else { - logger('fetch failed: ' . $url); - } - return null; + static function fetch($url,$channel = null) { + return Activity::fetch($url,$channel); } static function is_an_actor($s) { diff --git a/Zotlabs/Lib/ZotURL.php b/Zotlabs/Lib/ZotURL.php new file mode 100644 index 000000000..d1c705fcb --- /dev/null +++ b/Zotlabs/Lib/ZotURL.php @@ -0,0 +1,91 @@ +<?php + +namespace Zotlabs\Lib; + +use Zotlabs\Zot6\HTTPSig; + + +class ZotURL { + + static public function fetch($url,$channel) { + + $ret = [ 'success' => false ]; + + if(strpos($url,'x-zot:') !== 0) { + return $ret; + } + + + if(! $url) { + return $ret; + } + + $portable_url = substr($url,6); + $u = explode('/',$portable_url); + $portable_id = $u[0]; + + $hosts = self::lookup($portable_id); + + if(! $hosts) { + return $ret; + } + + foreach($hosts as $h) { + $newurl = $h . '/id/' . $portable_url; + + $m = parse_url($newurl); + + $data = json_encode([ 'zot_token' => random_string() ]); + + if($channel && $m) { + + $headers = [ + 'Accept' => 'application/x-zot+json', + 'Content-Type' => 'application/x-zot+json', + 'X-Zot-Token' => random_string(), + 'Digest' => HTTPSig::generate_digest_header($data), + 'Host' => $m['host'], + '(request-target)' => 'post ' . get_request_string($newurl) + ]; + $h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel),false); + } + else { + $h = [ 'Accept: application/x-zot+json' ]; + } + + $result = []; + + $redirects = 0; + $x = z_post_url($newurl,$data,$redirects, [ 'headers' => $h ] ); + if($x['success']) { + return $x; + } + } + + return $ret; + + } + + static public function is_zoturl($s) { + + if(strpos($url,'x-zot:') === 0) { + return true; + } + return false; + } + + + static public function lookup($portable_id) { + + $r = q("select * from hubloc left join site on hubloc_url = site_url where hubloc_hash = '%s' and site_dead = 0 order by hubloc_primary desc", + dbesc($portable_id) + ); + + if(! $r) { + // extend to network lookup + return false; + } + return ids_to_array($r,'hubloc_url'); + } + +}
\ No newline at end of file diff --git a/Zotlabs/Module/Id.php b/Zotlabs/Module/Id.php new file mode 100644 index 000000000..9addd673f --- /dev/null +++ b/Zotlabs/Module/Id.php @@ -0,0 +1,186 @@ +<?php + +namespace Zotlabs\Module; + +/** + * + * Controller for responding to x-zot: protocol requests + * x-zot:_jkfRG85nJ-714zn-LW_VbTFW8jSjGAhAydOcJzHxqHkvEHWG2E0RbA_pbch-h4R63RG1YJZifaNzgccoLa3MQ/453c1678-1a79-4af7-ab65-6b012f6cab77 + * + */ + +use Zotlabs\Lib\Activity; +use Zotlabs\Lib\ActivityStreams; +use Zotlabs\Lib\LDSignatures; +use Zotlabs\Zot6\HTTPSig; +use Zotlabs\Web\Controller; +use Zotlabs\Lib\Libzot; +use Zotlabs\Lib\ThreadListener; +use Zotlabs\Lib\IConfig; +use Zotlabs\Lib\Enotify; +use App; + +require_once('include/attach.php'); +require_once('include/bbcode.php'); +require_once('include/security.php'); + + +class Id extends Controller { + + function init() { + + if(Libzot::is_zot_request()) { + + $conversation = false; + + $request_portable_id = argv(1); + if(argc() > 2) { + $item_id = argv(2); + } + + $portable_id = EMPTY_STR; + + $sigdata = HTTPSig::verify(EMPTY_STR); + if($sigdata['portable_id'] && $sigdata['header_valid']) { + $portable_id = $sigdata['portable_id']; + } + + $r = q("select channel_id, channel_address from channel where channel_hash = '%s' limit 1", + dbesc($request_portable_id) + ); + if($r) { + $channel_id = $r[0]['channel_id']; + if(! $item_id) { + $handler = new Channel(); + App::$argc = 2; + App::$argv[0] = 'channel'; + App::$argv[1] = $r[0]['channel_address']; + $handler->init(); + } + } + else { + http_status_exit(404, 'Not found'); + } + + + $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 "; + + $sql_extra = item_permissions_sql(0); + + $r = q("select * from item where mid like '%s' $item_normal $sql_extra and uid = %d limit 1", + dbesc('%/' . $item_id), + intval($channel_id) + ); + if(! $r) { + + $r = q("select * from item where mid like '%s' $item_normal and uid = %d limit 1", + dbesc('%/' . $item_id), + intval($channel_id) + ); + if($r) { + http_status_exit(403, 'Forbidden'); + } + http_status_exit(404, 'Not found'); + } + + + $items = q("select parent as item_id from item where mid = '%s' and uid = %d $item_normal $sql_extra ", + dbesc($r[0]['parent_mid']), + intval($r[0]['uid']) + ); + if(! $items) { + http_status_exit(404, 'Not found'); + } + + $r = $items; + + $parents_str = ids_to_querystr($r,'item_id'); + + $items = q("SELECT item.*, item.id AS item_id FROM item WHERE item.parent IN ( %s ) $item_normal $sql_extra ", + dbesc($parents_str) + ); + + if(! $items) { + http_status_exit(404, 'Not found'); + } + + $r = $items; + xchan_query($r,true); + $items = fetch_post_tags($r,true); + + $observer = App::get_observer(); + $parent = $items[0]; + $recips = (($parent['owner']['xchan_network'] === 'activitypub') ? get_iconfig($parent['id'],'activitypub','recips', []) : []); + $to = (($recips && array_key_exists('to',$recips) && is_array($recips['to'])) ? $recips['to'] : null); + $nitems = []; + foreach($items as $i) { + + $mids = []; + + if(intval($i['item_private'])) { + if(! $observer) { + continue; + } + // ignore private reshare, possibly from hubzilla + if($i['verb'] === 'Announce') { + if(! in_array($i['thr_parent'],$mids)) { + $mids[] = $i['thr_parent']; + } + continue; + } + // also ignore any children of the private reshares + if(in_array($i['thr_parent'],$mids)) { + continue; + } + + if((! $to) || (! in_array($observer['xchan_url'],$to))) { + continue; + } + + } + $nitems[] = $i; + } + + if(! $nitems) + http_status_exit(404, 'Not found'); + + $chan = channelx_by_n($nitems[0]['uid']); + + if(! $chan) + http_status_exit(404, 'Not found'); + + if(! perm_is_allowed($chan['channel_id'],get_observer_hash(),'view_stream')) + http_status_exit(403, 'Forbidden'); + + $i = Activity::encode_item_collection($nitems,'conversation/' . $item_id,'OrderedCollection',( defined('NOMADIC') ? false : true)); + if($portable_id) { + ThreadListener::store(z_root() . '/item/' . $item_id,$portable_id); + } + + if(! $i) + http_status_exit(404, 'Not found'); + + $x = array_merge(['@context' => [ + ACTIVITYSTREAMS_JSONLD_REV, + 'https://w3id.org/security/v1', + z_root() . ZOT_APSCHEMA_REV + ]], $i); + + $headers = []; + $headers['Content-Type'] = 'application/x-zot+json' ; + $x['signature'] = LDSignatures::sign($x,$chan); + $ret = json_encode($x, JSON_UNESCAPED_SLASHES); + $headers['Digest'] = HTTPSig::generate_digest_header($ret); + $headers['(request-target)'] = strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI']; + $h = HTTPSig::create_sig($headers,$chan['channel_prvkey'],channel_url($chan)); + HTTPSig::set_headers($h); + echo $ret; + killme(); + + } + + } + +} + + |