Bluesky app fork with some witchin' additions 💫 forked from jollywhoppers.com/witchsky.app
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233import { type AppBskyFeedDefs, type AppBskyGraphDefs, type ComAtprotoRepoStrongRef,} from '@atproto/api'import {AtUri} from '@atproto/api'import {type BskyAgent} from '@atproto/api'
import {POST_IMG_MAX} from '#/lib/constants'import {getLinkMeta} from '#/lib/link-meta/link-meta'import {resolveShortLink} from '#/lib/link-meta/resolve-short-link'import {downloadAndResize} from '#/lib/media/manip'import { createStarterPackUri, parseStarterPackUri,} from '#/lib/strings/starter-pack'import { isBskyCustomFeedUrl, isBskyListUrl, isBskyPostUrl, isBskyStarterPackUrl, isBskyStartUrl, isShortLink,} from '#/lib/strings/url-helpers'import {type ComposerImage} from '#/state/gallery'import {createComposerImage} from '#/state/gallery'import {type Gif} from '#/state/queries/tenor'import {createGIFDescription} from '../gif-alt-text'import {convertBskyAppUrlIfNeeded, makeRecordUri} from '../strings/url-helpers'
type ResolvedExternalLink = { type: 'external' uri: string title: string description: string thumb: ComposerImage | undefined}
type ResolvedPostRecord = { type: 'record' record: ComAtprotoRepoStrongRef.Main kind: 'post' view: AppBskyFeedDefs.PostView}
type ResolvedFeedRecord = { type: 'record' record: ComAtprotoRepoStrongRef.Main kind: 'feed' view: AppBskyFeedDefs.GeneratorView}
type ResolvedListRecord = { type: 'record' record: ComAtprotoRepoStrongRef.Main kind: 'list' view: AppBskyGraphDefs.ListView}
type ResolvedStarterPackRecord = { type: 'record' record: ComAtprotoRepoStrongRef.Main kind: 'starter-pack' view: AppBskyGraphDefs.StarterPackView}
export type ResolvedLink = | ResolvedExternalLink | ResolvedPostRecord | ResolvedFeedRecord | ResolvedListRecord | ResolvedStarterPackRecord
export class EmbeddingDisabledError extends Error { constructor() { super('Embedding is disabled for this record') }}
export async function resolveLink( agent: BskyAgent, uri: string,): Promise<ResolvedLink> { if (isShortLink(uri)) { uri = await resolveShortLink(uri) } if (isBskyPostUrl(uri)) { uri = convertBskyAppUrlIfNeeded(uri) const [_0, user, _1, rkey] = uri.split('/').filter(Boolean) const recordUri = makeRecordUri(user, 'app.bsky.feed.post', rkey) const post = await getPost({uri: recordUri}) if (post.viewer?.embeddingDisabled) { throw new EmbeddingDisabledError() } return { type: 'record', record: { cid: post.cid, uri: post.uri, }, kind: 'post', view: post, } } if (isBskyCustomFeedUrl(uri)) { uri = convertBskyAppUrlIfNeeded(uri) const [_0, handleOrDid, _1, rkey] = uri.split('/').filter(Boolean) const did = await fetchDid(handleOrDid) const feed = makeRecordUri(did, 'app.bsky.feed.generator', rkey) const res = await agent.app.bsky.feed.getFeedGenerator({feed}) return { type: 'record', record: { uri: res.data.view.uri, cid: res.data.view.cid, }, kind: 'feed', view: res.data.view, } } if (isBskyListUrl(uri)) { uri = convertBskyAppUrlIfNeeded(uri) const [_0, handleOrDid, _1, rkey] = uri.split('/').filter(Boolean) const did = await fetchDid(handleOrDid) const list = makeRecordUri(did, 'app.bsky.graph.list', rkey) const res = await agent.app.bsky.graph.getList({list}) return { type: 'record', record: { uri: res.data.list.uri, cid: res.data.list.cid, }, kind: 'list', view: res.data.list, } } if (isBskyStartUrl(uri) || isBskyStarterPackUrl(uri)) { const parsed = parseStarterPackUri(uri) if (!parsed) { throw new Error( 'Unexpectedly called getStarterPackAsEmbed with a non-starterpack url', ) } const did = await fetchDid(parsed.name) const starterPack = createStarterPackUri({did, rkey: parsed.rkey}) const res = await agent.app.bsky.graph.getStarterPack({starterPack}) return { type: 'record', record: { uri: res.data.starterPack.uri, cid: res.data.starterPack.cid, }, kind: 'starter-pack', view: res.data.starterPack, } } return resolveExternal(agent, uri)
// Forked from useGetPost. TODO: move into RQ. async function getPost({uri}: {uri: string}) { const urip = new AtUri(uri) if (!urip.host.startsWith('did:')) { const res = await agent.resolveHandle({ handle: urip.host, }) urip.host = res.data.did } const res = await agent.getPosts({ uris: [urip.toString()], }) if (res.success && res.data.posts[0]) { return res.data.posts[0] } throw new Error('getPost: post not found') }
// Forked from useFetchDid. TODO: move into RQ. async function fetchDid(handleOrDid: string) { let identifier = handleOrDid if (!identifier.startsWith('did:')) { const res = await agent.resolveHandle({handle: identifier}) identifier = res.data.did } return identifier }}
export async function resolveGif( agent: BskyAgent, gif: Gif,): Promise<ResolvedExternalLink> { const uri = `${gif.media_formats.gif.url}?hh=${gif.media_formats.gif.dims[1]}&ww=${gif.media_formats.gif.dims[0]}` return { type: 'external', uri, title: gif.content_description, description: createGIFDescription(gif.content_description), thumb: await imageToThumb(gif.media_formats.preview.url), }}
async function resolveExternal( agent: BskyAgent, uri: string,): Promise<ResolvedExternalLink> { const result = await getLinkMeta(agent, uri) return { type: 'external', uri: result.url, title: result.title ?? '', description: result.description ?? '', thumb: result.image ? await imageToThumb(result.image) : undefined, }}
export async function imageToThumb( imageUri: string,): Promise<ComposerImage | undefined> { try { const img = await downloadAndResize({ uri: imageUri, width: POST_IMG_MAX.width, height: POST_IMG_MAX.height, mode: 'contain', maxSize: POST_IMG_MAX.size, timeout: 15e3, }) if (img) { return await createComposerImage(img) } } catch {}}