| 1 | import { AtpAgent } from "@atproto/api"; |
| 2 | import * as path from "path"; |
| 3 | import type { Credentials, BlogPost, BlobObject, PublisherConfig } from "./types"; |
| 4 | import { stripMarkdownForText } from "./markdown"; |
| 5 | |
| 6 | export async function resolveHandleToPDS(handle: string): Promise<string> { |
| 7 | // First, resolve the handle to a DID |
| 8 | let did: string; |
| 9 | |
| 10 | if (handle.startsWith("did:")) { |
| 11 | did = handle; |
| 12 | } else { |
| 13 | // Try to resolve handle via Bluesky API |
| 14 | const resolveUrl = `https://public.api.bsky.app/xrpc/com.atproto.identity.resolveHandle?handle=${encodeURIComponent(handle)}`; |
| 15 | const resolveResponse = await fetch(resolveUrl); |
| 16 | if (!resolveResponse.ok) { |
| 17 | throw new Error("Could not resolve handle"); |
| 18 | } |
| 19 | const resolveData = (await resolveResponse.json()) as { did: string }; |
| 20 | did = resolveData.did; |
| 21 | } |
| 22 | |
| 23 | // Now resolve the DID to get the PDS URL from the DID document |
| 24 | let pdsUrl: string | undefined; |
| 25 | |
| 26 | if (did.startsWith("did:plc:")) { |
| 27 | // Fetch DID document from plc.directory |
| 28 | const didDocUrl = `https://plc.directory/${did}`; |
| 29 | const didDocResponse = await fetch(didDocUrl); |
| 30 | if (!didDocResponse.ok) { |
| 31 | throw new Error("Could not fetch DID document"); |
| 32 | } |
| 33 | const didDoc = (await didDocResponse.json()) as { |
| 34 | service?: Array<{ id: string; type: string; serviceEndpoint: string }>; |
| 35 | }; |
| 36 | |
| 37 | // Find the PDS service endpoint |
| 38 | const pdsService = didDoc.service?.find( |
| 39 | (s) => s.id === "#atproto_pds" || s.type === "AtprotoPersonalDataServer", |
| 40 | ); |
| 41 | pdsUrl = pdsService?.serviceEndpoint; |
| 42 | } else if (did.startsWith("did:web:")) { |
| 43 | // For did:web, fetch the DID document from the domain |
| 44 | const domain = did.replace("did:web:", ""); |
| 45 | const didDocUrl = `https://${domain}/.well-known/did.json`; |
| 46 | const didDocResponse = await fetch(didDocUrl); |
| 47 | if (!didDocResponse.ok) { |
| 48 | throw new Error("Could not fetch DID document"); |
| 49 | } |
| 50 | const didDoc = (await didDocResponse.json()) as { |
| 51 | service?: Array<{ id: string; type: string; serviceEndpoint: string }>; |
| 52 | }; |
| 53 | |
| 54 | const pdsService = didDoc.service?.find( |
| 55 | (s) => s.id === "#atproto_pds" || s.type === "AtprotoPersonalDataServer", |
| 56 | ); |
| 57 | pdsUrl = pdsService?.serviceEndpoint; |
| 58 | } |
| 59 | |
| 60 | if (!pdsUrl) { |
| 61 | throw new Error("Could not find PDS URL for user"); |
| 62 | } |
| 63 | |
| 64 | return pdsUrl; |
| 65 | } |
| 66 | |
| 67 | export interface CreatePublicationOptions { |
| 68 | url: string; |
| 69 | name: string; |
| 70 | description?: string; |
| 71 | iconPath?: string; |
| 72 | showInDiscover?: boolean; |
| 73 | } |
| 74 | |
| 75 | export async function createAgent(credentials: Credentials): Promise<AtpAgent> { |
| 76 | const agent = new AtpAgent({ service: credentials.pdsUrl }); |
| 77 | |
| 78 | await agent.login({ |
| 79 | identifier: credentials.identifier, |
| 80 | password: credentials.password, |
| 81 | }); |
| 82 | |
| 83 | return agent; |
| 84 | } |
| 85 | |
| 86 | export async function uploadImage( |
| 87 | agent: AtpAgent, |
| 88 | imagePath: string |
| 89 | ): Promise<BlobObject | undefined> { |
| 90 | const file = Bun.file(imagePath); |
| 91 | |
| 92 | if (!(await file.exists())) { |
| 93 | return undefined; |
| 94 | } |
| 95 | |
| 96 | try { |
| 97 | const imageBuffer = await file.arrayBuffer(); |
| 98 | const mimeType = file.type || "application/octet-stream"; |
| 99 | |
| 100 | const response = await agent.com.atproto.repo.uploadBlob( |
| 101 | new Uint8Array(imageBuffer), |
| 102 | { |
| 103 | encoding: mimeType, |
| 104 | } |
| 105 | ); |
| 106 | |
| 107 | return { |
| 108 | $type: "blob", |
| 109 | ref: { |
| 110 | $link: response.data.blob.ref.toString(), |
| 111 | }, |
| 112 | mimeType, |
| 113 | size: imageBuffer.byteLength, |
| 114 | }; |
| 115 | } catch (error) { |
| 116 | console.error(`Error uploading image ${imagePath}:`, error); |
| 117 | return undefined; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | export function resolveImagePath( |
| 122 | ogImage: string, |
| 123 | imagesDir: string | undefined, |
| 124 | contentDir: string |
| 125 | ): string | null { |
| 126 | // Try multiple resolution strategies |
| 127 | const filename = path.basename(ogImage); |
| 128 | |
| 129 | // 1. If imagesDir is specified, look there |
| 130 | if (imagesDir) { |
| 131 | const imagePath = path.join(imagesDir, filename); |
| 132 | try { |
| 133 | const stat = Bun.file(imagePath); |
| 134 | if (stat.size > 0) { |
| 135 | return imagePath; |
| 136 | } |
| 137 | } catch { |
| 138 | // File doesn't exist, continue |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | // 2. Try the ogImage path directly (if it's absolute) |
| 143 | if (path.isAbsolute(ogImage)) { |
| 144 | return ogImage; |
| 145 | } |
| 146 | |
| 147 | // 3. Try relative to content directory |
| 148 | const contentRelative = path.join(contentDir, ogImage); |
| 149 | try { |
| 150 | const stat = Bun.file(contentRelative); |
| 151 | if (stat.size > 0) { |
| 152 | return contentRelative; |
| 153 | } |
| 154 | } catch { |
| 155 | // File doesn't exist |
| 156 | } |
| 157 | |
| 158 | return null; |
| 159 | } |
| 160 | |
| 161 | export async function createDocument( |
| 162 | agent: AtpAgent, |
| 163 | post: BlogPost, |
| 164 | config: PublisherConfig, |
| 165 | coverImage?: BlobObject |
| 166 | ): Promise<string> { |
| 167 | const pathPrefix = config.pathPrefix || "/posts"; |
| 168 | const postPath = `${pathPrefix}/${post.slug}`; |
| 169 | const textContent = stripMarkdownForText(post.content); |
| 170 | const publishDate = new Date(post.frontmatter.publishDate); |
| 171 | |
| 172 | const record: Record<string, unknown> = { |
| 173 | $type: "site.standard.document", |
| 174 | title: post.frontmatter.title, |
| 175 | site: config.publicationUri, |
| 176 | path: postPath, |
| 177 | textContent: textContent.slice(0, 10000), |
| 178 | publishedAt: publishDate.toISOString(), |
| 179 | canonicalUrl: `${config.siteUrl}${postPath}`, |
| 180 | }; |
| 181 | |
| 182 | if (coverImage) { |
| 183 | record.coverImage = coverImage; |
| 184 | } |
| 185 | |
| 186 | if (post.frontmatter.tags && post.frontmatter.tags.length > 0) { |
| 187 | record.tags = post.frontmatter.tags; |
| 188 | } |
| 189 | |
| 190 | const response = await agent.com.atproto.repo.createRecord({ |
| 191 | repo: agent.session!.did, |
| 192 | collection: "site.standard.document", |
| 193 | record, |
| 194 | }); |
| 195 | |
| 196 | return response.data.uri; |
| 197 | } |
| 198 | |
| 199 | export async function updateDocument( |
| 200 | agent: AtpAgent, |
| 201 | post: BlogPost, |
| 202 | atUri: string, |
| 203 | config: PublisherConfig, |
| 204 | coverImage?: BlobObject |
| 205 | ): Promise<void> { |
| 206 | // Parse the atUri to get the collection and rkey |
| 207 | // Format: at://did:plc:xxx/collection/rkey |
| 208 | const uriMatch = atUri.match(/^at:\/\/([^/]+)\/([^/]+)\/(.+)$/); |
| 209 | if (!uriMatch) { |
| 210 | throw new Error(`Invalid atUri format: ${atUri}`); |
| 211 | } |
| 212 | |
| 213 | const [, , collection, rkey] = uriMatch; |
| 214 | |
| 215 | const pathPrefix = config.pathPrefix || "/posts"; |
| 216 | const postPath = `${pathPrefix}/${post.slug}`; |
| 217 | const textContent = stripMarkdownForText(post.content); |
| 218 | const publishDate = new Date(post.frontmatter.publishDate); |
| 219 | |
| 220 | const record: Record<string, unknown> = { |
| 221 | $type: "site.standard.document", |
| 222 | title: post.frontmatter.title, |
| 223 | site: config.publicationUri, |
| 224 | path: postPath, |
| 225 | textContent: textContent.slice(0, 10000), |
| 226 | publishedAt: publishDate.toISOString(), |
| 227 | canonicalUrl: `${config.siteUrl}${postPath}`, |
| 228 | }; |
| 229 | |
| 230 | if (coverImage) { |
| 231 | record.coverImage = coverImage; |
| 232 | } |
| 233 | |
| 234 | if (post.frontmatter.tags && post.frontmatter.tags.length > 0) { |
| 235 | record.tags = post.frontmatter.tags; |
| 236 | } |
| 237 | |
| 238 | await agent.com.atproto.repo.putRecord({ |
| 239 | repo: agent.session!.did, |
| 240 | collection: collection!, |
| 241 | rkey: rkey!, |
| 242 | record, |
| 243 | }); |
| 244 | } |
| 245 | |
| 246 | export function parseAtUri(atUri: string): { did: string; collection: string; rkey: string } | null { |
| 247 | const match = atUri.match(/^at:\/\/([^/]+)\/([^/]+)\/(.+)$/); |
| 248 | if (!match) return null; |
| 249 | return { |
| 250 | did: match[1]!, |
| 251 | collection: match[2]!, |
| 252 | rkey: match[3]!, |
| 253 | }; |
| 254 | } |
| 255 | |
| 256 | export interface DocumentRecord { |
| 257 | $type: "site.standard.document"; |
| 258 | title: string; |
| 259 | site: string; |
| 260 | path: string; |
| 261 | textContent: string; |
| 262 | publishedAt: string; |
| 263 | canonicalUrl?: string; |
| 264 | coverImage?: BlobObject; |
| 265 | tags?: string[]; |
| 266 | location?: string; |
| 267 | } |
| 268 | |
| 269 | export interface ListDocumentsResult { |
| 270 | uri: string; |
| 271 | cid: string; |
| 272 | value: DocumentRecord; |
| 273 | } |
| 274 | |
| 275 | export async function listDocuments( |
| 276 | agent: AtpAgent, |
| 277 | publicationUri?: string |
| 278 | ): Promise<ListDocumentsResult[]> { |
| 279 | const documents: ListDocumentsResult[] = []; |
| 280 | let cursor: string | undefined; |
| 281 | |
| 282 | do { |
| 283 | const response = await agent.com.atproto.repo.listRecords({ |
| 284 | repo: agent.session!.did, |
| 285 | collection: "site.standard.document", |
| 286 | limit: 100, |
| 287 | cursor, |
| 288 | }); |
| 289 | |
| 290 | for (const record of response.data.records) { |
| 291 | const value = record.value as unknown as DocumentRecord; |
| 292 | |
| 293 | // If publicationUri is specified, only include documents from that publication |
| 294 | if (publicationUri && value.site !== publicationUri) { |
| 295 | continue; |
| 296 | } |
| 297 | |
| 298 | documents.push({ |
| 299 | uri: record.uri, |
| 300 | cid: record.cid, |
| 301 | value, |
| 302 | }); |
| 303 | } |
| 304 | |
| 305 | cursor = response.data.cursor; |
| 306 | } while (cursor); |
| 307 | |
| 308 | return documents; |
| 309 | } |
| 310 | |
| 311 | export async function createPublication( |
| 312 | agent: AtpAgent, |
| 313 | options: CreatePublicationOptions |
| 314 | ): Promise<string> { |
| 315 | let icon: BlobObject | undefined; |
| 316 | |
| 317 | if (options.iconPath) { |
| 318 | icon = await uploadImage(agent, options.iconPath); |
| 319 | } |
| 320 | |
| 321 | const record: Record<string, unknown> = { |
| 322 | $type: "site.standard.publication", |
| 323 | url: options.url, |
| 324 | name: options.name, |
| 325 | createdAt: new Date().toISOString(), |
| 326 | }; |
| 327 | |
| 328 | if (options.description) { |
| 329 | record.description = options.description; |
| 330 | } |
| 331 | |
| 332 | if (icon) { |
| 333 | record.icon = icon; |
| 334 | } |
| 335 | |
| 336 | if (options.showInDiscover !== undefined) { |
| 337 | record.preferences = { |
| 338 | showInDiscover: options.showInDiscover, |
| 339 | }; |
| 340 | } |
| 341 | |
| 342 | const response = await agent.com.atproto.repo.createRecord({ |
| 343 | repo: agent.session!.did, |
| 344 | collection: "site.standard.publication", |
| 345 | record, |
| 346 | }); |
| 347 | |
| 348 | return response.data.uri; |
| 349 | } |