ActivityPub Viewer

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.

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{ "@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", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage" } ], "id": "https://infosec.exchange/users/resingm/statuses/111337414282011785", "type": "Note", "summary": null, "inReplyTo": "https://fosstodon.org/users/winfried/statuses/111337367252941551", "published": "2023-11-01T21:28:39Z", "url": "https://infosec.exchange/@resingm/111337414282011785", "attributedTo": "https://infosec.exchange/users/resingm", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/resingm/followers", "https://fosstodon.org/users/winfried" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/resingm/statuses/111337414282011785", "inReplyToAtomUri": "https://fosstodon.org/users/winfried/statuses/111337367252941551", "conversation": "tag:infosec.exchange,2023-11-01:objectId=107156261:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@winfried\" class=\"u-url mention\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">@<span>winfried</span></a></span> - for sure the endpoint gives it away, but I doubt that an ISP handshakes with every IP that shows up in their TCP/443 upstream to see if it runs a resolver which responds to DoH. Yes, you can filter out known DNS revolvers, but its hard to believe to do that with all IPs. And thats, why I asked for fingerprinting techniques. I found some nice papers, that I'll work through next week. I might post a follow-up afterwards</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@winfried\" class=\"u-url mention\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">@<span>winfried</span></a></span> - for sure the endpoint gives it away, but I doubt that an ISP handshakes with every IP that shows up in their TCP/443 upstream to see if it runs a resolver which responds to DoH. Yes, you can filter out known DNS revolvers, but its hard to believe to do that with all IPs. And thats, why I asked for fingerprinting techniques. I found some nice papers, that I'll work through next week. I might post a follow-up afterwards</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://fosstodon.org/users/winfried", "name": "@winfried@fosstodon.org" } ], "replies": { "id": "https://infosec.exchange/users/resingm/statuses/111337414282011785/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/resingm/statuses/111337414282011785/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/resingm/statuses/111337414282011785/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/resingm/statuses/111337414282011785/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://infosec.exchange/users/resingm/statuses/111337414282011785/shares", "type": "Collection", "totalItems": 0 } }