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-rw-r--r--Zotlabs/Lib/Activity.php45
-rw-r--r--Zotlabs/Lib/ActivityStreams.php20
-rw-r--r--Zotlabs/Lib/ZotURL.php91
-rw-r--r--Zotlabs/Module/Id.php186
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();
+
+ }
+
+ }
+
+}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 13:15:58 +0000