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description= A decentralized social networking protocol based upon the ActivityStreams 2.0 data format and JSON-LD.;
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extensions, flag, and, activitystreams, for, properties, federation, profile, defined, vocabulary, by, supported, activities, used, profiles, schema, w3id, posts, featured, identity, quote, activitypub, status, json, ld, contexts, using, not, other, functionality, sponsored, statuses, payloads, html, sanitization, mastodon, toot, as, org, security, sec, remote, blocking, block, reporting, account, migration, move, polls, mentions, addressing, notifications, public, key, collection, tags, metadata, proofs, deprecated, discoverability, indexable, suspended, memorial, hashtags, custom, emojis, focal, points, blurhash, sensitive, content, controls, secure, mode, follower, synchronization, mechanism, poll, specific, digest, calculation,
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Text of the page (random words):
publickeypem https w3id org security publickeypem sec owner https w3id org security owner sec signature https w3id org security signature sec signaturevalue https w3id org security signaturevalue w3id identity context https w3id org identity v1 offline used for linked data signatures see security linked data signatures for more information dc creator http purl org dc terms creator dc created http purl org dc terms created sec signature https w3id org security signature sec signaturevalue https w3id org security signaturevalue extensions defined using activitystreams vocabulary while the activity vocabulary defines a wide range of types and terms activitypub only defines side effects for a subset of them the following activity types have the following side effects when received in a mastodon inbox remote blocking block activitypub defines the block activity for client to server c2s use cases but not for server to server s2s it recommends that servers should not deliver block activities to their object however mastodon will send this activity when a local user blocks a remote user when mastodon receives a block activity where the object is an actor on the local domain it will interpret this as a signal to hide the actor s profile and posts from the local user as well as disallowing mentions of that actor by that local user context https www w3 org ns activitystreams id https mastodon example bd06bb61 01e0 447a 9dc8 95915db9aec8 type block actor https mastodon example users alice object https example com mallory to https example com mallory reporting profiles and posts flag to report profiles and or posts on remote servers mastodon will send a flag activity from the instance actor the object of this activity contains the user being reported as well as any posts attached to the report if a comment is attached to the report it will be used as the content of the activity context https www w3 org ns activitystreams id https mastodon example ccb4f39a 506a 490e 9a8c 71831c7713a4 type flag actor https mastodon example actor content please take a look at this user and their posts object https example com users 1 https example com posts 380590 https example com posts 380591 to https example com users 1 account migration move mastodon uses the move activity to signal that an account has migrated to a different account for the migration to be considered valid mastodon checks that the new account has defined an alias pointing to the old account via the alsoknownas property context https www w3 org ns activitystreams id https mastodon example users alice moves 1 actor https mastodon example users alice type move object https mastodon example users alice target https alice com users 109835986274379 to https mastodon example users alice followers polls activity vocabulary 5 4 representing questions the activitystreams vocabulary specification describes loosely non normatively how a question might be represented mastodon s implementation of polls is somewhat inspired by this section the following implementation details can be observed question is used as an object type instead of as an intransitiveactivity rather than being sent directly it is wrapped in a create just like any other status poll options are serialized using oneof or anyof as an array each item in this array has no id has a type of note and has a name representing the text of the poll option each item in this array also has a replies property representing the responses to this particular poll option this node has no id has a type of collection and has a totalitems property representing the total number of votes received for this option context https www w3 org ns activitystreams voterscount http joinmastodon org ns voterscount id https mastodon example users alice statuses 1009947848598745 type question content what should i eat for breakfast today published 2023 03 05t07 40 13z endtime 2023 03 06t07 40 13z voterscount 7 anyof type note name apple replies type collection totalitems 3 type note name orange replies type collection totalitems 7 type note name banana replies type collection totalitems 6 poll votes are serialized as create activities where the object is a note with a name that exactly matches the name of the poll option the note inreplyto points to the uri of the question object for multiple choice polls multiple activities may be sent votes will be counted if you have not previously voted for that option context https www w3 org ns activitystreams id https mastodon example users bob votes 827163 activity to https mastodon example users alice actor https mastodon example users bob type create object id https mastodon example users bob votes 827163 type note name orange attributedto https mastodon example users bob to https mastodon example users alice inreplyto https mastodon example users alice statuses 1009947848598745 context https www w3 org ns activitystreams id https mastodon example users bob votes 827164 activity to https mastodon example users alice actor https mastodon example users bob type create object id https mastodon example users bob votes 827164 type note name banana attributedto https mastodon example users bob to https mastodon example users alice inreplyto https mastodon example users alice statuses 1009947848598745 mentions for addressing and notifications activity vocabulary 5 6 mentions tags and other common social microsyntaxes in the activitystreams vocabulary mention is a subtype of link that is intended to represent the microsyntax of mentions the tag property is intended to add references to other objects or links for link tags the name of the link should be a substring of the natural language properties name summary content on that object wherever such a substring is found it can be transformed into a hyperlink reference to the href however mastodon also uses mention tags for addressing in some cases based on the presence or exclusion of mention tags and compared to the explicitly declared audiences in to and cc mastodon will calculate a visibility level for the post additionally mastodon requires mention tags in order to generate a notification the mentioned actor must still be included within to or cc explicitly in order to receive the post public public statuses have the as public magic collection in to unlisted unlisted statuses have the as public magic collection in cc private followers only statuses have an actor s follower collection in to or cc but do not include the as public magic collection limited limited audience statuses have actors in to or cc at least one of which is not mention ed in tag direct mentions only statuses have actors in to or cc all of which are mention ed in tag app lib activitypub activity create rb app lib activitypub parser status_parser rb extensions not defined by activitystreams the following features are defined using properties and types that are not defined by activitystreams public key public keys are used for http signatures and linked data signatures this is implemented using an extra property publickey on actor objects see security for more information context https www w3 org ns activitystreams https w3id org security v1 id https mastodon social users gargron type person publickey id https mastodon social users gargron main key owner https mastodon social users gargron publickeypem begin public key nmiibijanbgkqhkig9w0baqefaaocaq8amiibcgkcaqeavxc4vkecu2 ceuso1wtn nfoim94ne1jbmyxtz9wm2ytdjq1oizkif06i2foqdzy 4q s9uccre9bkajv1dnko nvm31qjwlhvpskynvxewjvbo5ienue8gnd0xvhiuxf87o61poqjeoepvsqfela5ym novljwgsa jpj7ozyguzhcxtas2w5ad5tnbqupco0lhitypytjnmzcc4y2nbjv8hz n2s2g8qkv8fyime23gy1xrpjg crf g4pqfxujjlj7mihd9oqtlgxbu7o1ciftn3x nbfidpythwu5b4cujnsb3m3awjjvmx mhq9sugksiyxv0ina77ctns0m2pyih1pfr ntwidaqab n end public key n featured collection what is known in mastodon as pinned statuses or statuses that are always featured at the top of people s profiles is implemented using an extra property featured on the actor object that points to a collection of objects context https www w3 org ns activitystreams featured id http joinmastodon org ns featured type id id https example com alice type person featured https example com alice collections featured featured tags mastodon allows users to feature specific hashtags on their profile for easy browsing as a discoverability mechanism this is implemented using an extra property featuredtags on the actor object that points to a collection of hashtag objects specifically context https www w3 org ns activitystreams featuredtags id http joinmastodon org ns featuredtags type id id https example com alice type person featuredtags https example com alice collections tags profile metadata mastodon supports arbitrary profile fields containing name value pairs this is implemented using the attachment property on actor objects with objects in the array having a type of propertyvalue and a value property both from the schema org namespace as noted above while listing the schema org context extensions mastodon currently incorrectly expects and maps the term schema to the base uri http schema org instead of to the base uri https schema org therefore json ld processors who use the correct context definition will fail to process profile fields correctly context https www w3 org ns activitystreams schema http schema org propertyvalue schema propertyvalue value schema value id https mastodon social users gargron type person attachment type propertyvalue name patreon value a href https www patreon com mastodon rel me nofollow noopener noreferrer target _blank span class invisible https www span span class patreon com mastodon span span class invisible span a type propertyvalue name homepage value a href https zeonfederated com rel me nofollow noopener noreferrer target _blank span class invisible https span span class zeonfederated com span span class invisible span a identity proofs deprecated this property is currently unused deprecated due to the removal of keybase support in mastodon 3 5 https github com mastodon mastodon pull 17045 mastodon supports integration with identity providers to prove that a profile is linked to a certain identity this is implemented using the attachment property on actor objects with objects in the array having a type of identityproof from the mastodon namespace the object also includes signaturealgorithm and signaturevalue from the w3id security vocabulary namespace context https www w3 org ns activitystreams https w3id org security v1 identityproof http joinmastodon org ns identityproof id https mastodon social users gargron type person attachment type identityproof name gargron signaturealgorithm keybase signaturevalue 5cfc20c7018f2beefb42a68836da59a792e55daa4d118498c9b1898de7e845690f discoverability flag mastodon allows users to opt in or opt out of discoverability features like the profile directory this flag may also be used as an indicator of the user s preferences toward being included in external discovery services if you are implementing such a tool it is recommended that you respect this property if it is present this is implemented using an extra property discoverable on objects mapping to profiles context https www w3 org ns activitystreams discoverable http joinmastodon org ns discoverable id https mastodon social users gargron type person discoverable true indexable flag mastodon allows users to opt in or opt out of indexing features like full text search of public statuses if you are implementing such a tool it is recommended that you respect this property if it is present this is implemented using an extra property indexable on objects mapping to profiles context https www w3 org ns activitystreams indexable http joinmastodon org ns indexable id https mastodon social users gargron type person indexable true suspended flag mastodon reports whether a user was locally suspended for better handling of these accounts suspended accounts in mastodon return empty data if a remote account is marked as suspended it cannot be unsuspended locally suspended accounts can be targeted by activities such as update undo reject and delete this functionality is implemented using an extra property suspended on objects context https www w3 org ns activitystreams suspended http joinmastodon org ns suspended id https example com eve type person suspended true memorial flag mastodon reports whether a user s profile was memorialized for better handling of these accounts memorial accounts in mastodon return normal data but are rendered with a header indicating that the account is a memorial account this functionality is implemented using an extra property memorial on objects context https www w3 org ns activitystreams memorial http joinmastodon org ns memorial id https example com alice type person memorial true hashtags similar to the mention subtype of link already defined in activitystreams mastodon will use hashtag as a subtype of link in order to surface posts referencing some common topic identified by a string key the hashtag has a name containing the hashtag microsyntax a followed by a string sequence representing a topic this is similar to the mention microsyntax where an is followed by some string sequence representing a resource where in mastodon s case this resource is expected to be an account mastodon will also normalize hashtags to be case insensitive lowercase strings performing ascii folding and removing invalid characters app lib hashtag_normalizer rb context https www w3 org ns activitystreams hashtag https www w3 org ns activitystreams hashtag id https example com some post type note attributedto https example com content i love cats tag type hashtag name cats href https example com tagged cats custom emojis mastodon supports arbitrary emojis by including a tag of the emoji type handling of custom emojis is similar to handling of mentions and hashtags where the name of the tagged entity is found as a substring of the natural language properties name summary content and then linked to the local representation of some resource or topic in the case of emoji shortcodes the name is replaced by the html for an inline image represented by the icon property where icon url links to the image resource context https www w3 org ns activitystreams emoji http joinmastodon org ns emoji id https example com alice hello world type note content hello world kappa tag id https example com emoji 123 type emoji name kappa icon type image mediatype image png url https example com files kappa png focal points mastodon supports setting a focal point on uploaded images so that wherever that image is displayed the focal point stays in view this is implemented using an extra property focalpoint on image objects the property is an array of two floating points between 1 0 and 1 0 with 0 0 being the center of the image the first value being x 1 0 is the left edge 1 0 is the right edge and the second value being y 1 0 is the bottom edge 1 0 is the top edge ...
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