soapbox/app/soapbox/utils/features.ts

906 wiersze
27 KiB
TypeScript

/* eslint sort-keys: "error" */
import { List as ImmutableList, Map as ImmutableMap } from 'immutable';
import { createSelector } from 'reselect';
import semverCoerce from 'semver/functions/coerce';
import gte from 'semver/functions/gte';
import lt from 'semver/functions/lt';
import semverParse from 'semver/functions/parse';
import { custom } from 'soapbox/custom';
import type { Instance } from 'soapbox/types/entities';
/** Import custom overrides, if exists */
const overrides = custom('features');
/** Truthy array convenience function */
const any = (arr: Array<any>): boolean => arr.some(Boolean);
/**
* Friendica, decentralized social platform implementing multiple federation protocols.
* @see {@link https://friendi.ca/}
*/
export const FRIENDICA = 'Friendica';
/**
* Mastodon, the software upon which this is all based.
* @see {@link https://joinmastodon.org/}
*/
export const MASTODON = 'Mastodon';
/**
* Mitra, a Rust backend with deep Ethereum integrations.
* @see {@link https://codeberg.org/silverpill/mitra}
*/
export const MITRA = 'Mitra';
/**
* Pixelfed, a federated image sharing platform.
* @see {@link https://pixelfed.org/}
*/
export const PIXELFED = 'Pixelfed';
/**
* Pleroma, a feature-rich alternative written in Elixir.
* @see {@link https://pleroma.social/}
*/
export const PLEROMA = 'Pleroma';
/**
* Takahē, backend with support for serving multiple domains.
* @see {@link https://jointakahe.org/}
*/
export const TAKAHE = 'Takahe';
/**
* Truth Social, the Mastodon fork powering truthsocial.com
* @see {@link https://help.truthsocial.com/open-source}
*/
export const TRUTHSOCIAL = 'TruthSocial';
/**
* Wildebeest, backend running on top of Cloudflare Pages.
*/
export const WILDEBEEST = 'Wildebeest';
/**
* Akkoma, a Pleroma fork.
* @see {@link https://akkoma.dev/AkkomaGang/akkoma}
*/
export const AKKOMA = 'akkoma';
/**
* glitch-soc, fork of Mastodon with a number of experimental features.
* @see {@link https://glitch-soc.github.io/docs/}
*/
export const GLITCH = 'glitch';
/**
* Rebased, the recommended backend for Soapbox.
* @see {@link https://gitlab.com/soapbox-pub/rebased}
*/
// NOTE: Rebased is named 'soapbox' for legacy reasons.
export const REBASED = 'soapbox';
/** Backend name reserved only for tests. */
export const UNRELEASED = 'unreleased';
/** Parse features for the given instance */
const getInstanceFeatures = (instance: Instance) => {
const v = parseVersion(instance.version);
const features = instance.pleroma.getIn(['metadata', 'features'], ImmutableList()) as ImmutableList<string>;
const federation = instance.pleroma.getIn(['metadata', 'federation'], ImmutableMap()) as ImmutableMap<string, any>;
return {
/**
* Can view and manage ActivityPub aliases through the API.
* @see GET /api/pleroma/aliases
* @see PATCH /api/v1/accounts/update_credentials
*/
accountAliases: v.software === PLEROMA,
/**
* The accounts API allows an acct instead of an ID.
* @see GET /api/v1/accounts/:acct_or_id
*/
accountByUsername: v.software === PLEROMA,
/**
* Ability to create accounts.
* @see POST /api/v1/accounts
*/
accountCreation: v.software !== TRUTHSOCIAL,
/**
* Ability to pin other accounts on one's profile.
* @see POST /api/v1/accounts/:id/pin
* @see POST /api/v1/accounts/:id/unpin
* @see GET /api/v1/pleroma/accounts/:id/endorsements
*/
accountEndorsements: v.software === PLEROMA && gte(v.version, '2.4.50'),
/**
* Ability to set one's location on their profile.
* @see PATCH /api/v1/accounts/update_credentials
*/
accountLocation: any([
v.software === PLEROMA && v.build === REBASED && gte(v.version, '2.4.50'),
v.software === TRUTHSOCIAL,
]),
/**
* Look up an account by the acct.
* @see GET /api/v1/accounts/lookup
*/
accountLookup: any([
v.software === MASTODON && gte(v.compatVersion, '3.4.0'),
v.software === PLEROMA && gte(v.version, '2.4.50'),
v.software === TAKAHE && gte(v.version, '0.6.1'),
v.software === TRUTHSOCIAL,
]),
/**
* Move followers to a different ActivityPub account.
* @see POST /api/pleroma/move_account
*/
accountMoving: v.software === PLEROMA && gte(v.version, '2.4.50'),
/**
* Ability to subscribe to notifications every time an account posts.
* @see POST /api/v1/accounts/:id/follow
*/
accountNotifies: any([
v.software === MASTODON && gte(v.compatVersion, '3.3.0'),
v.software === PLEROMA && gte(v.version, '2.4.50'),
v.software === TRUTHSOCIAL,
]),
/**
* Ability to subscribe to notifications every time an account posts.
* @see POST /api/v1/pleroma/accounts/:id/subscribe
* @see POST /api/v1/pleroma/accounts/:id/unsubscribe
*/
accountSubscriptions: v.software === PLEROMA && gte(v.version, '1.0.0'),
/**
* Ability to set one's website on their profile.
* @see PATCH /api/v1/accounts/update_credentials
*/
accountWebsite: v.software === TRUTHSOCIAL,
/**
* An additional moderator interface is available on the domain.
* @see /pleroma/admin
*/
adminFE: v.software === PLEROMA,
/**
* Can display announcements set by admins.
* @see GET /api/v1/announcements
* @see POST /api/v1/announcements/:id/dismiss
* @see {@link https://docs.joinmastodon.org/methods/announcements/}
*/
announcements: any([
v.software === MASTODON && gte(v.compatVersion, '3.1.0'),
v.software === PLEROMA && gte(v.version, '2.2.49'),
]),
/**
* Can emoji react to announcements set by admins.
* @see PUT /api/v1/announcements/:id/reactions/:name
* @see DELETE /api/v1/announcements/:id/reactions/:name
* @see {@link https://docs.joinmastodon.org/methods/announcements/}
*/
announcementsReactions: v.software === MASTODON && gte(v.compatVersion, '3.1.0'),
/**
* Pleroma backups.
* @see GET /api/v1/pleroma/backups
* @see POST /api/v1/pleroma/backups
*/
backups: v.software === PLEROMA,
/**
* Set your birthday and view upcoming birthdays.
* @see GET /api/v1/pleroma/birthdays
* @see POST /api/v1/accounts
* @see PATCH /api/v1/accounts/update_credentials
*/
birthdays: v.software === PLEROMA && v.build === REBASED && gte(v.version, '2.4.50'),
/** Whether people who blocked you are visible through the API. */
blockersVisible: features.includes('blockers_visible'),
/**
* Can bookmark statuses.
* @see POST /api/v1/statuses/:id/bookmark
* @see GET /api/v1/bookmarks
*/
bookmarks: any([
v.software === FRIENDICA,
v.software === MASTODON && gte(v.compatVersion, '3.1.0'),
v.software === PLEROMA && gte(v.version, '0.9.9'),
v.software === PIXELFED,
]),
/**
* Accounts can be marked as bots.
* @see PATCH /api/v1/accounts/update_credentials
*/
bots: any([
v.software === MASTODON,
v.software === PLEROMA,
]),
/**
* Whether to show the Feed Carousel for suggested Statuses.
* @see GET /api/v1/truth/carousels/avatars
* @see GET /api/v1/truth/carousels/suggestions
*/
carousel: v.software === TRUTHSOCIAL,
/**
* Ability to mark a carousel avatar as "seen."
* @see POST /api/v1/truth/carousels/avatars/seen
*/
carouselSeen: v.software === TRUTHSOCIAL,
/**
* Ability to accept a chat.
* POST /api/v1/pleroma/chats/:id/accept
*/
chatAcceptance: v.software === TRUTHSOCIAL,
/**
* Ability to add reactions to chat messages.
*/
chatEmojiReactions: v.software === TRUTHSOCIAL && v.build === UNRELEASED,
/**
* Pleroma chats API.
* @see {@link https://docs.pleroma.social/backend/development/API/chats/}
*/
chats: any([
v.software === TRUTHSOCIAL,
v.software === PLEROMA && gte(v.version, '2.1.0') && v.build !== AKKOMA,
]),
/**
* Ability to delete a chat.
* @see DELETE /api/v1/pleroma/chats/:id
*/
chatsDelete: any([
v.software === TRUTHSOCIAL,
v.build === REBASED,
]),
/**
* Ability to set disappearing messages on chats.
* @see PATCH /api/v1/pleroma/chats/:id
*/
chatsExpiration: v.software === TRUTHSOCIAL,
/**
* Whether chat messages can accept a `media_id` attachment.
* @see POST /api/v1/pleroma/chats/:id/messages
*/
chatsMedia: v.software !== TRUTHSOCIAL,
/**
* Whether chat messages have read receipts.
* @see GET /api/v1/pleroma/chats/:id/messages
*/
chatsReadReceipts: v.software === TRUTHSOCIAL,
/**
* Ability to search among chats.
* @see GET /api/v1/pleroma/chats
*/
chatsSearch: v.software === TRUTHSOCIAL,
/**
* Paginated chats API.
* @see GET /api/v2/pleroma/chats
*/
chatsV2: any([
v.software === TRUTHSOCIAL,
v.software === PLEROMA && gte(v.version, '2.3.0'),
]),
/**
* Ability to only chat with people that follow you.
*/
chatsWithFollowers: v.software === TRUTHSOCIAL,
/**
* Mastodon's newer solution for direct messaging.
* @see {@link https://docs.joinmastodon.org/methods/timelines/conversations/}
*/
conversations: any([
v.software === FRIENDICA,
v.software === MASTODON && gte(v.compatVersion, '2.6.0'),
v.software === PLEROMA && gte(v.version, '0.9.9'),
v.software === PIXELFED,
v.software === TAKAHE,
]),
/**
* Legacy DMs timeline where messages are displayed chronologically without groupings.
* @see GET /api/v1/timelines/direct
*/
directTimeline: any([
v.software === FRIENDICA,
v.software === MASTODON && lt(v.compatVersion, '3.0.0'),
v.software === PLEROMA && gte(v.version, '0.9.9'),
]),
/**
* Ability to edit profile information.
* @see PATCH /api/v1/accounts/update_credentials
*/
editProfile: any([
v.software === FRIENDICA,
v.software === MASTODON,
v.software === MITRA,
v.software === PIXELFED,
v.software === PLEROMA,
v.software === TAKAHE && gte(v.version, '0.7.0'),
v.software === TRUTHSOCIAL,
v.software === WILDEBEEST,
]),
editStatuses: any([
v.software === MASTODON && gte(v.version, '3.5.0'),
features.includes('editing'),
]),
/**
* Soapbox email list.
* @see POST /api/v1/accounts
* @see PATCH /api/v1/accounts/update_credentials
* @see GET /api/v1/pleroma/admin/email_list/subscribers.csv
* @see GET /api/v1/pleroma/admin/email_list/unsubscribers.csv
* @see GET /api/v1/pleroma/admin/email_list/combined.csv
*/
emailList: features.includes('email_list'),
/**
* Ability to embed posts on external sites.
* @see GET /api/oembed
*/
embeds: any([
v.software === MASTODON,
v.software === TRUTHSOCIAL,
]),
/**
* Ability to add emoji reactions to a status.
* @see PUT /api/v1/pleroma/statuses/:id/reactions/:emoji
* @see GET /api/v1/pleroma/statuses/:id/reactions/:emoji?
* @see DELETE /api/v1/pleroma/statuses/:id/reactions/:emoji
*/
emojiReacts: v.software === PLEROMA && gte(v.version, '2.0.0'),
/**
* The backend allows only non-RGI ("Recommended for General Interchange") emoji reactions.
* @see PUT /api/v1/pleroma/statuses/:id/reactions/:emoji
*/
emojiReactsNonRGI: v.software === PLEROMA && lt(v.version, '2.2.49'),
/**
* Sign in with an Ethereum wallet.
* @see POST /oauth/token
*/
ethereumLogin: v.software === MITRA,
/**
* Ability to create and perform actions on events.
* @see POST /api/v1/pleroma/events
* @see GET /api/v1/pleroma/events/joined_events
* @see PUT /api/v1/pleroma/events/:id
* @see GET /api/v1/pleroma/events/:id/participations
* @see GET /api/v1/pleroma/events/:id/participation_requests
* @see POST /api/v1/pleroma/events/:id/participation_requests/:participant_id/authorize
* @see POST /api/v1/pleroma/events/:id/participation_requests/:participant_id/reject
* @see POST /api/v1/pleroma/events/:id/join
* @see POST /api/v1/pleroma/events/:id/leave
* @see GET /api/v1/pleroma/events/:id/ics
* @see GET /api/v1/pleroma/search/location
*/
events: features.includes('events'),
/**
* Ability to address recipients of a status explicitly (with `to`).
* @see POST /api/v1/statuses
*/
explicitAddressing: any([
v.software === PLEROMA && gte(v.version, '1.0.0'),
v.software === TRUTHSOCIAL,
]),
/** Whether to allow exporting follows/blocks/mutes to CSV by paginating the API. */
exportData: true,
/** Whether the accounts who favourited or emoji-reacted to a status can be viewed through the API. */
exposableReactions: any([
v.software === MASTODON,
v.software === TAKAHE && gte(v.version, '0.6.1'),
v.software === TRUTHSOCIAL,
features.includes('exposable_reactions'),
]),
/**
* Can see accounts' followers you know
* @see GET /api/v1/accounts/familiar_followers
*/
familiarFollowers: any([
v.software === MASTODON && gte(v.version, '3.5.0'),
v.software === TAKAHE,
]),
/** Whether the instance federates. */
federating: federation.get('enabled', true) === true, // Assume true unless explicitly false
/**
* Can edit and manage timeline filters (aka "muted words").
* @see {@link https://docs.joinmastodon.org/methods/accounts/filters/}
*/
filters: any([
v.software === MASTODON && lt(v.compatVersion, '3.6.0'),
v.software === PLEROMA,
]),
/**
* Allows setting the focal point of a media attachment.
* @see {@link https://docs.joinmastodon.org/methods/statuses/media/}
*/
focalPoint: v.software === MASTODON && gte(v.compatVersion, '2.3.0'),
/**
* Ability to lock accounts and manually approve followers.
* @see PATCH /api/v1/accounts/update_credentials
*/
followRequests: any([
v.software === MASTODON,
v.software === PLEROMA,
]),
/**
* Whether client settings can be retrieved from the API.
* @see GET /api/pleroma/frontend_configurations
*/
frontendConfigurations: v.software === PLEROMA,
/**
* Groups.
* @see POST /api/v1/groups
* @see GET /api/v1/groups
* @see GET /api/v1/groups/:id
* @see POST /api/v1/groups/:id/join
* @see POST /api/v1/groups/:id/leave
* @see GET /api/v1/groups/:id/memberships
* @see PUT /api/v1/groups/:group_id
* @see DELETE /api/v1/groups/:group_id
* @see GET /api/v1/groups/:group_id/membership_requests
* @see POST /api/v1/groups/:group_id/membership_requests/:account_id/authorize
* @see POST /api/v1/groups/:group_id/membership_requests/:account_id/reject
* @see DELETE /api/v1/groups/:group_id/statuses/:id
* @see POST /api/v1/groups/:group_id/kick?account_ids[]=…
* @see GET /api/v1/groups/:group_id/blocks
* @see POST /api/v1/groups/:group_id/blocks?account_ids[]=…
* @see DELETE /api/v1/groups/:group_id/blocks?account_ids[]=…
* @see POST /api/v1/groups/:group_id/promote?role=new_role&account_ids[]=…
* @see POST /api/v1/groups/:group_id/demote?role=new_role&account_ids[]=…
* @see GET /api/v1/admin/groups
* @see GET /api/v1/admin/groups/:group_id
* @see POST /api/v1/admin/groups/:group_id/suspend
* @see POST /api/v1/admin/groups/:group_id/unsuspend
* @see DELETE /api/v1/admin/groups/:group_id
*/
groups: false,
/**
* Can see trending/suggested Groups.
*/
groupsDiscovery: v.software === TRUTHSOCIAL,
/**
* Can hide follows/followers lists and counts.
* @see PATCH /api/v1/accounts/update_credentials
*/
hideNetwork: v.software === PLEROMA,
/**
* Pleroma import API.
* @see POST /api/pleroma/follow_import
* @see POST /api/pleroma/blocks_import
* @see POST /api/pleroma/mutes_import
*/
import: v.software === PLEROMA,
/**
* Pleroma import endpoints.
* @see POST /api/pleroma/follow_import
* @see POST /api/pleroma/blocks_import
* @see POST /api/pleroma/mutes_import
*/
importData: v.software === PLEROMA && gte(v.version, '2.2.0'),
/**
* Can create, view, and manage lists.
* @see {@link https://docs.joinmastodon.org/methods/timelines/lists/}
* @see GET /api/v1/timelines/list/:list_id
*/
lists: any([
v.software === FRIENDICA,
v.software === MASTODON && gte(v.compatVersion, '2.1.0'),
v.software === PLEROMA && gte(v.version, '0.9.9'),
]),
/**
* Can perform moderation actions with account and reports.
* @see {@link https://docs.joinmastodon.org/methods/admin/}
* @see GET /api/v1/admin/reports
* @see POST /api/v1/admin/reports/:report_id/resolve
* @see POST /api/v1/admin/reports/:report_id/reopen
* @see POST /api/v1/admin/accounts/:account_id/action
* @see POST /api/v1/admin/accounts/:account_id/approve
*/
mastodonAdmin: any([
v.software === MASTODON && gte(v.compatVersion, '2.9.1'),
v.software === PLEROMA && v.build === REBASED && gte(v.version, '2.4.50'),
]),
/**
* Can upload media attachments to statuses.
* @see POST /api/v1/media
* @see POST /api/v1/statuses
*/
media: true,
/**
* Supports V2 media uploads.
* @see POST /api/v2/media
*/
mediaV2: any([
v.software === MASTODON && gte(v.compatVersion, '3.1.3'),
v.software === WILDEBEEST,
// Even though Pleroma supports these endpoints, it has disadvantages
// v.software === PLEROMA && gte(v.version, '2.1.0'),
]),
/**
* Ability to hide notifications from people you don't follow.
* @see PUT /api/pleroma/notification_settings
*/
muteStrangers: v.software === PLEROMA,
/**
* Ability to specify how long the account mute should last.
* @see PUT /api/v1/accounts/:id/mute
*/
mutesDuration: any([
v.software === PLEROMA && gte(v.version, '2.3.0'),
v.software === MASTODON && gte(v.compatVersion, '3.3.0'),
]),
/**
* Add private notes to accounts.
* @see POST /api/v1/accounts/:id/note
* @see GET /api/v1/accounts/relationships
*/
notes: any([
v.software === MASTODON && gte(v.compatVersion, '3.2.0'),
v.software === PLEROMA && gte(v.version, '2.4.50'),
]),
/**
* Allows specifying notification types to include, rather than to exclude.
* @see GET /api/v1/notifications
*/
notificationsIncludeTypes: any([
v.software === MASTODON && gte(v.compatVersion, '3.5.0'),
v.software === PLEROMA && gte(v.version, '2.4.50'),
v.software === TAKAHE && gte(v.version, '0.6.2'),
]),
/**
* Supports pagination in threads.
* @see GET /api/v1/statuses/:id/context/ancestors
* @see GET /api/v1/statuses/:id/context/descendants
*/
paginatedContext: v.software === TRUTHSOCIAL,
/**
* Require minimum password requirements.
* - 8 characters
* - 1 uppercase
* - 1 lowercase
*/
passwordRequirements: v.software === TRUTHSOCIAL,
/**
* Displays a form to follow a user when logged out.
* @see POST /main/ostatus
*/
pleromaRemoteFollow: v.software === PLEROMA,
/**
* Can add polls to statuses.
* @see POST /api/v1/statuses
*/
polls: any([
v.software === MASTODON && gte(v.version, '2.8.0'),
v.software === PLEROMA,
v.software === TRUTHSOCIAL,
]),
/**
* Can set privacy scopes on statuses.
* @see POST /api/v1/statuses
*/
privacyScopes: v.software !== TRUTHSOCIAL,
/**
* A directory of discoverable profiles from the instance.
* @see {@link https://docs.joinmastodon.org/methods/instance/directory/}
*/
profileDirectory: any([
v.software === FRIENDICA,
v.software === MASTODON && gte(v.compatVersion, '3.0.0'),
features.includes('profile_directory'),
]),
/**
* Ability to set custom profile fields.
* @see PATCH /api/v1/accounts/update_credentials
*/
profileFields: any([
v.software === MASTODON,
v.software === PLEROMA,
]),
/**
* Can display a timeline of all known public statuses.
* Local and Fediverse timelines both use this feature.
* @see GET /api/v1/timelines/public
*/
publicTimeline: any([
v.software === FRIENDICA,
v.software === MASTODON,
v.software === PLEROMA,
v.software === TAKAHE,
v.software === WILDEBEEST,
]),
/**
* Ability to quote posts in statuses.
* @see POST /api/v1/statuses
*/
quotePosts: any([
v.software === PLEROMA && [REBASED, AKKOMA].includes(v.build!) && gte(v.version, '2.4.50'),
instance.feature_quote === true,
]),
/**
* Interact with statuses from another instance while logged-out.
* @see POST /api/v1/pleroma/remote_interaction
*/
remoteInteractions: v.software === PLEROMA && gte(v.version, '2.4.50'),
/**
* Ability to remove an account from your followers.
* @see POST /api/v1/accounts/:id/remove_from_followers
*/
removeFromFollowers: any([
v.software === MASTODON && gte(v.compatVersion, '3.5.0'),
v.software === PLEROMA && v.build === REBASED && gte(v.version, '2.4.50'),
]),
/**
* Ability to report chat messages.
* @see POST /api/v1/reports
*/
reportChats: v.software === TRUTHSOCIAL,
/**
* Ability to select more than one status when reporting.
* @see POST /api/v1/reports
*/
reportMultipleStatuses: v.software !== TRUTHSOCIAL,
/**
* Can request a password reset email through the API.
* @see POST /auth/password
*/
resetPassword: v.software === PLEROMA,
/**
* Ability to post statuses in Markdown, BBCode, and HTML.
* @see POST /api/v1/statuses
*/
richText: any([
v.software === MASTODON && v.build === GLITCH,
v.software === PLEROMA,
]),
/**
* Ability to follow account feeds using RSS.
*/
rssFeeds: any([
v.software === MASTODON,
v.software === PLEROMA,
]),
/**
* Can schedule statuses to be posted at a later time.
* @see POST /api/v1/statuses
* @see {@link https://docs.joinmastodon.org/methods/statuses/scheduled_statuses/}
*/
scheduledStatuses: any([
v.software === MASTODON && gte(v.version, '2.7.0'),
v.software === PLEROMA,
]),
/**
* Ability to search statuses from the given account.
* @see {@link https://docs.joinmastodon.org/methods/search/}
* @see POST /api/v2/search
*/
searchFromAccount: any([
v.software === MASTODON && gte(v.version, '2.8.0'),
v.software === PLEROMA && gte(v.version, '1.0.0'),
]),
/**
* Ability to manage account security settings.
* @see POST /api/pleroma/change_password
* @see POST /api/pleroma/change_email
* @see POST /api/pleroma/delete_account
*/
security: any([
v.software === PLEROMA,
v.software === TRUTHSOCIAL,
]),
/**
* Ability to manage account sessions.
* @see GET /api/oauth_tokens.json
* @see DELETE /api/oauth_tokens/:id
*/
sessions: v.software === PLEROMA,
/**
* Can store client settings in the database.
* @see PATCH /api/v1/accounts/update_credentials
*/
settingsStore: any([
v.software === PLEROMA,
v.software === TRUTHSOCIAL,
]),
/**
* Can set content warnings on statuses.
* @see POST /api/v1/statuses
*/
spoilers: v.software !== TRUTHSOCIAL,
/**
* Can display suggested accounts.
* @see {@link https://docs.joinmastodon.org/methods/accounts/suggestions/}
*/
suggestions: any([
v.software === MASTODON && gte(v.compatVersion, '2.4.3'),
v.software === TRUTHSOCIAL,
features.includes('v2_suggestions'),
]),
/**
* Supports V2 suggested accounts.
* @see GET /api/v2/suggestions
*/
suggestionsV2: any([
v.software === FRIENDICA,
v.software === MASTODON && gte(v.compatVersion, '3.4.0'),
v.software === TRUTHSOCIAL,
features.includes('v2_suggestions'),
]),
/**
* Can translate statuses.
* @see POST /api/v1/statuses/:id/translate
*/
translations: features.includes('translation'),
/**
* Trending statuses.
* @see GET /api/v1/trends/statuses
*/
trendingStatuses: v.software === MASTODON && gte(v.compatVersion, '3.5.0'),
/**
* Truth Social trending statuses API.
* @see GET /api/v1/truth/trending/truths
*/
trendingTruths: v.software === TRUTHSOCIAL,
/**
* Can display trending hashtags.
* @see GET /api/v1/trends
*/
trends: any([
v.software === MASTODON && gte(v.compatVersion, '3.0.0'),
v.software === TRUTHSOCIAL,
]),
/**
* Truth Social policies.
* @see GET /api/v1/truth/policies/pending
* @see PATCH /api/v1/truth/policies/:policyId/accept
*/
truthPolicies: v.software === TRUTHSOCIAL,
/**
* Supports Truth suggestions.
*/
truthSuggestions: v.software === TRUTHSOCIAL,
/**
* Whether the backend allows adding users you don't follow to lists.
* @see POST /api/v1/lists/:id/accounts
*/
unrestrictedLists: v.software === PLEROMA,
};
};
/** Features available from a backend */
export type Features = ReturnType<typeof getInstanceFeatures>;
/** Detect backend features to conditionally render elements */
export const getFeatures = createSelector([
(instance: Instance) => instance,
], (instance): Features => {
const features = getInstanceFeatures(instance);
return Object.assign(features, overrides) as Features;
});
/** Fediverse backend */
interface Backend {
/** Build name, if this software is a fork */
build: string | null
/** Name of the software */
software: string | null
/** API version number */
version: string
/** Mastodon API version this backend is compatible with */
compatVersion: string
}
/** Get information about the software from its version string */
export const parseVersion = (version: string): Backend => {
const regex = /^([\w+.]*)(?: \(compatible; ([\w]*) (.*)\))?$/;
const match = regex.exec(version);
const semverString = match && (match[3] || match[1]);
const semver = match ? semverParse(semverString) || semverCoerce(semverString) : null;
const compat = match ? semverParse(match[1]) || semverCoerce(match[1]) : null;
if (match && semver && compat) {
return {
build: semver.build[0],
compatVersion: compat.version,
software: match[2] || MASTODON,
version: semver.version,
};
} else {
// If we can't parse the version, this is a new and exotic backend.
// Fall back to minimal featureset.
return {
build: null,
compatVersion: '0.0.0',
software: null,
version: '0.0.0',
};
}
};