A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount"
}
],
"id": "https://mastodon.social/users/rgdd/statuses/109983505923324837/activity",
"type": "Create",
"actor": "https://mastodon.social/users/rgdd",
"published": "2023-03-07T18:51:57Z",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/rgdd/followers",
"https://infosec.exchange/users/pulls",
"https://mastodon.social/users/dfri",
"https://mastodon.social/users/ln4711",
"https://mastodon.social/users/jn9999",
"https://social.librem.one/users/eliasr"
],
"object": {
"id": "https://mastodon.social/users/rgdd/statuses/109983505923324837",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2023-03-07T18:51:57Z",
"url": "https://mastodon.social/@rgdd/109983505923324837",
"attributedTo": "https://mastodon.social/users/rgdd",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/rgdd/followers",
"https://infosec.exchange/users/pulls",
"https://mastodon.social/users/dfri",
"https://mastodon.social/users/ln4711",
"https://mastodon.social/users/jn9999",
"https://social.librem.one/users/eliasr"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/rgdd/statuses/109983505923324837",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2023-03-07:objectId=410317934:objectType=Conversation",
"content": "<p>The embargo of our paper "Timeless Timing Attacks and Preload Defenses in Tor's DNS Cache" has been lifted (<span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@pulls\" class=\"u-url mention\">@<span>pulls</span></a></span>).</p><p><a href=\"https://www.usenix.org/conference/usenixsecurity23/presentation/dahlberg\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">usenix.org/conference/usenixse</span><span class=\"invisible\">curity23/presentation/dahlberg</span></a></p><p>We show that a remote attacker can probe the state of DNS caches at Tor exit relays without false positives; we also provide short-term mitigations (merged), and evaluate a long-term defense with privacy-preserving DNS cache measurements at exits operated by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@dfri\" class=\"u-url mention\">@<span>dfri</span></a></span> (<span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@ln4711\" class=\"u-url mention\">@<span>ln4711</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@jn9999\" class=\"u-url mention\">@<span>jn9999</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://social.librem.one/@eliasr\" class=\"u-url mention\">@<span>eliasr</span></a></span>). Ironically, the long-term defense could boost cache-hits by 2-3x.</p>",
"contentMap": {
"en": "<p>The embargo of our paper "Timeless Timing Attacks and Preload Defenses in Tor's DNS Cache" has been lifted (<span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@pulls\" class=\"u-url mention\">@<span>pulls</span></a></span>).</p><p><a href=\"https://www.usenix.org/conference/usenixsecurity23/presentation/dahlberg\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">usenix.org/conference/usenixse</span><span class=\"invisible\">curity23/presentation/dahlberg</span></a></p><p>We show that a remote attacker can probe the state of DNS caches at Tor exit relays without false positives; we also provide short-term mitigations (merged), and evaluate a long-term defense with privacy-preserving DNS cache measurements at exits operated by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@dfri\" class=\"u-url mention\">@<span>dfri</span></a></span> (<span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@ln4711\" class=\"u-url mention\">@<span>ln4711</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@jn9999\" class=\"u-url mention\">@<span>jn9999</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://social.librem.one/@eliasr\" class=\"u-url mention\">@<span>eliasr</span></a></span>). Ironically, the long-term defense could boost cache-hits by 2-3x.</p>"
},
"attachment": [],
"tag": [
{
"type": "Mention",
"href": "https://infosec.exchange/users/pulls",
"name": "@pulls@infosec.exchange"
},
{
"type": "Mention",
"href": "https://mastodon.social/users/dfri",
"name": "@dfri"
},
{
"type": "Mention",
"href": "https://mastodon.social/users/ln4711",
"name": "@ln4711"
},
{
"type": "Mention",
"href": "https://mastodon.social/users/jn9999",
"name": "@jn9999"
},
{
"type": "Mention",
"href": "https://social.librem.one/users/eliasr",
"name": "@eliasr@librem.one"
}
],
"replies": {
"id": "https://mastodon.social/users/rgdd/statuses/109983505923324837/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/rgdd/statuses/109983505923324837/replies?min_id=109983513281755291&page=true",
"partOf": "https://mastodon.social/users/rgdd/statuses/109983505923324837/replies",
"items": [
"https://mastodon.social/users/rgdd/statuses/109983513281755291"
]
}
},
"likes": {
"id": "https://mastodon.social/users/rgdd/statuses/109983505923324837/likes",
"type": "Collection",
"totalItems": 3
},
"shares": {
"id": "https://mastodon.social/users/rgdd/statuses/109983505923324837/shares",
"type": "Collection",
"totalItems": 3
}
}
}