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-rw-r--r--Zotlabs/Module/Activity.php96
-rw-r--r--Zotlabs/Module/Item.php100
2 files changed, 194 insertions, 2 deletions
diff --git a/Zotlabs/Module/Activity.php b/Zotlabs/Module/Activity.php
index 9971ee60f..8f4593db3 100644
--- a/Zotlabs/Module/Activity.php
+++ b/Zotlabs/Module/Activity.php
@@ -19,9 +19,7 @@ class Activity extends Controller {
function init() {
if (Libzot::is_zot_request()) {
-
$item_id = argv(1);
-
if (! $item_id)
http_status_exit(404, 'Not found');
@@ -170,6 +168,100 @@ class Activity extends Controller {
}
+ if(ActivityStreams::is_as_request()) {
+
+ $item_id = argv(1);
+
+ if (! $item_id) {
+ return;
+ }
+
+ $ob_authorise = false;
+ $item_uid = 0;
+
+ $bear = ZlibActivity::token_from_request();
+ if ($bear) {
+ logger('bear: ' . $bear, LOGGER_DEBUG);
+ $t = q("select item.uid, iconfig.v from iconfig left join item on iid = item.id where cat = 'ocap' and item.uuid = '%s'",
+ dbesc($item_id)
+ );
+ if ($t) {
+ foreach ($t as $token) {
+ if ($token['v'] === $bear) {
+ $ob_authorize = true;
+ $item_uid = $token['uid'];
+ break;
+ }
+ }
+ }
+ }
+
+ $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 ";
+
+ $sigdata = HTTPSig::verify(EMPTY_STR);
+
+ if ($sigdata['portable_id'] && $sigdata['header_valid']) {
+ $portable_id = $sigdata['portable_id'];
+ if (! check_channelallowed($portable_id)) {
+ http_status_exit(403, 'Permission denied');
+ }
+ if (! check_siteallowed($sigdata['signer'])) {
+ http_status_exit(403, 'Permission denied');
+ }
+ observer_auth($portable_id);
+ }
+
+ // if passed an owner_id of 0 to item_permissions_sql(), we force "guest access" or observer checking
+ // Give ocap tokens priority
+
+ if ($ob_authorize) {
+ $sql_extra = " and item.uid = " . intval($token['uid']) . " ";
+ }
+ else {
+ $sql_extra = item_permissions_sql(0);
+ }
+ $r = q("select * from item where uuid = '%s' $item_normal $sql_extra limit 1",
+ dbesc($item_id)
+ );
+
+ if (! $r) {
+ $r = q("select * from item where uuid = '%s' $item_normal limit 1",
+ dbesc($item_id)
+ );
+ if($r) {
+ http_status_exit(403, 'Forbidden');
+ }
+ http_status_exit(404, 'Not found');
+ }
+
+ xchan_query($r,true);
+ $items = fetch_post_tags($r,false);
+
+ $channel = channelx_by_n($items[0]['uid']);
+
+ $x = array_merge( ['@context' => [
+ ACTIVITYSTREAMS_JSONLD_REV,
+ 'https://w3id.org/security/v1',
+ z_root() . ZOT_APSCHEMA_REV
+ ]], ZlibActivity::encode_activity($items[0],true));
+
+
+ $headers = [];
+ $headers['Content-Type'] = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"' ;
+ $x['signature'] = LDSignatures::sign($x,$channel);
+ $ret = json_encode($x, JSON_UNESCAPED_SLASHES);
+ $headers['Date'] = datetime_convert('UTC','UTC', 'now', 'D, d M Y H:i:s \\G\\M\\T');
+ $headers['Digest'] = HTTPSig::generate_digest_header($ret);
+ $headers['(request-target)'] = strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI'];
+
+ $h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel));
+ HTTPSig::set_headers($h);
+ echo $ret;
+ killme();
+
+ }
+
goaway(z_root() . '/item/' . argv(1));
}
diff --git a/Zotlabs/Module/Item.php b/Zotlabs/Module/Item.php
index d8c837522..922a2ef06 100644
--- a/Zotlabs/Module/Item.php
+++ b/Zotlabs/Module/Item.php
@@ -157,6 +157,106 @@ class Item extends Controller {
}
+ if(ActivityStreams::is_as_request()) {
+
+ $item_id = argv(1);
+ if(! $item_id)
+ http_status_exit(404, 'Not found');
+
+ $portable_id = EMPTY_STR;
+
+ $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 ";
+
+ $i = null;
+
+ // do we have the item (at all)?
+ // add preferential bias to item owners (item_wall = 1)
+
+ $r = q("select * from item where mid = '%s' or uuid = '%s' $item_normal order by item_wall desc limit 1",
+ dbesc(z_root() . '/item/' . $item_id),
+ dbesc($item_id)
+ );
+
+ if (! $r) {
+ http_status_exit(404,'Not found');
+ }
+
+ // process an authenticated fetch
+
+ $sigdata = HTTPSig::verify(EMPTY_STR);
+ if ($sigdata['portable_id'] && $sigdata['header_valid']) {
+ $portable_id = $sigdata['portable_id'];
+ if (! check_channelallowed($portable_id)) {
+ http_status_exit(403, 'Permission denied');
+ }
+ if (! check_siteallowed($sigdata['signer'])) {
+ http_status_exit(403, 'Permission denied');
+ }
+ observer_auth($portable_id);
+
+ $i = q("select id as item_id from item where mid = '%s' $item_normal and owner_xchan = '%s' limit 1 ",
+ dbesc($r[0]['parent_mid']),
+ dbesc($portable_id)
+ );
+ }
+ elseif (Config::get('system','require_authenticated_fetch',false)) {
+ http_status_exit(403,'Permission denied');
+ }
+
+ // if we don't have a parent id belonging to the signer see if we can obtain one as a visitor that we have permission to access
+ // with a bias towards those items owned by channels on this site (item_wall = 1)
+
+ $sql_extra = item_permissions_sql(0);
+
+ if (! $i) {
+ $i = q("select id as item_id from item where mid = '%s' $item_normal $sql_extra order by item_wall desc limit 1",
+ dbesc($r[0]['parent_mid'])
+ );
+ }
+
+ if(! $i) {
+ http_status_exit(403,'Forbidden');
+ }
+
+ // If we get to this point we have determined we can access the original in $r (fetched much further above), so use it.
+
+ xchan_query($r,true);
+ $items = fetch_post_tags($r,false);
+
+ $chan = channelx_by_n($items[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');
+
+ $i = Activity::encode_item($items[0],true);
+
+ 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/ld+json; profile="https://www.w3.org/ns/activitystreams"' ;
+ $x['signature'] = LDSignatures::sign($x,$chan);
+ $ret = json_encode($x, JSON_UNESCAPED_SLASHES);
+ $headers['Date'] = datetime_convert('UTC','UTC', 'now', 'D, d M Y H:i:s \\G\\M\\T');
+ $headers['Digest'] = HTTPSig::generate_digest_header($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();
+
+ }
+
+
if(argc() > 1 && argv(1) !== 'drop') {
$x = q("select uid, item_wall, llink, mid from item where mid = '%s' or mid = '%s' ",
dbesc(z_root() . '/item/' . argv(1)),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 11:30:46 +0000