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.

Open in browser →
{ "@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/fj/statuses/111974648725393101", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/fj/statuses/111969752716686597", "published": "2024-02-22T10:25:45Z", "url": "https://mastodon.social/@fj/111974648725393101", "attributedTo": "https://mastodon.social/users/fj", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/fj/followers", "https://infosec.exchange/users/felixlinker" ], "sensitive": false, "atomUri": "https://mastodon.social/users/fj/statuses/111974648725393101", "inReplyToAtomUri": "https://mastodon.social/users/fj/statuses/111969752716686597", "conversation": "tag:mastodon.social,2024-02-21:objectId=647908863:objectType=Conversation", "content": "<p>iMessage PQ3’s announcement is accompanied by two external security reviews of the protocol.</p><p>Douglas Stebila (University of Waterloo) focused on so-called game-based proofs (1), while David Basin, <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@felixlinker\" class=\"u-url mention\">@<span>felixlinker</span></a></span> and Ralf Sasse (ETH Zürich) worked on symbolic evaluation of the protocol using Tamarin (2).</p><p>📝 1: <a href=\"https://security.apple.com/assets/files/Security_analysis_of_the_iMessage_PQ3_protocol_Stebila.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">security.apple.com/assets/file</span><span class=\"invisible\">s/Security_analysis_of_the_iMessage_PQ3_protocol_Stebila.pdf</span></a><br />📝2: <a href=\"https://security.apple.com/assets/files/A_Formal_Analysis_of_the_iMessage_PQ3_Messaging_Protocol_Basin_et_al.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">security.apple.com/assets/file</span><span class=\"invisible\">s/A_Formal_Analysis_of_the_iMessage_PQ3_Messaging_Protocol_Basin_et_al.pdf</span></a></p>", "contentMap": { "en": "<p>iMessage PQ3’s announcement is accompanied by two external security reviews of the protocol.</p><p>Douglas Stebila (University of Waterloo) focused on so-called game-based proofs (1), while David Basin, <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@felixlinker\" class=\"u-url mention\">@<span>felixlinker</span></a></span> and Ralf Sasse (ETH Zürich) worked on symbolic evaluation of the protocol using Tamarin (2).</p><p>📝 1: <a href=\"https://security.apple.com/assets/files/Security_analysis_of_the_iMessage_PQ3_protocol_Stebila.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">security.apple.com/assets/file</span><span class=\"invisible\">s/Security_analysis_of_the_iMessage_PQ3_protocol_Stebila.pdf</span></a><br />📝2: <a href=\"https://security.apple.com/assets/files/A_Formal_Analysis_of_the_iMessage_PQ3_Messaging_Protocol_Basin_et_al.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">security.apple.com/assets/file</span><span class=\"invisible\">s/A_Formal_Analysis_of_the_iMessage_PQ3_Messaging_Protocol_Basin_et_al.pdf</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://infosec.exchange/users/felixlinker", "name": "@felixlinker@infosec.exchange" } ], "replies": { "id": "https://mastodon.social/users/fj/statuses/111974648725393101/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/fj/statuses/111974648725393101/replies?min_id=112234651222339213&page=true", "partOf": "https://mastodon.social/users/fj/statuses/111974648725393101/replies", "items": [ "https://mastodon.social/users/fj/statuses/112234651222339213" ] } }, "likes": { "id": "https://mastodon.social/users/fj/statuses/111974648725393101/likes", "type": "Collection", "totalItems": 29 }, "shares": { "id": "https://mastodon.social/users/fj/statuses/111974648725393101/shares", "type": "Collection", "totalItems": 14 } }