test oauth pds
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293
oauth/src/utils/pds-detection.ts
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293
oauth/src/utils/pds-detection.ts
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// PDS Detection and API URL mapping utilities
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export interface NetworkConfig {
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pdsApi: string;
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plcApi: string;
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bskyApi: string;
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webUrl: string;
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}
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// Detect PDS from handle
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export function detectPdsFromHandle(handle: string): string {
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if (handle.endsWith('.syu.is')) {
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return 'syu.is';
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}
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if (handle.endsWith('.bsky.social') || handle.endsWith('.bsky.app')) {
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return 'bsky.social';
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}
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// Default to Bluesky for unknown domains
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return 'bsky.social';
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}
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// Map PDS endpoint to network configuration
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export function getNetworkConfigFromPdsEndpoint(pdsEndpoint: string): NetworkConfig {
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try {
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const url = new URL(pdsEndpoint);
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const hostname = url.hostname;
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// Map based on actual PDS endpoint
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if (hostname === 'syu.is') {
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return {
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pdsApi: 'https://syu.is', // PDS API (repo operations)
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plcApi: 'https://plc.syu.is', // PLC directory
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bskyApi: 'https://bsky.syu.is', // Bluesky API (getProfile, etc.)
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webUrl: 'https://web.syu.is' // Web interface
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};
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} else if (hostname.includes('bsky.network') || hostname === 'bsky.social' || hostname.includes('host.bsky.network')) {
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// All Bluesky infrastructure (including *.host.bsky.network)
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return {
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pdsApi: pdsEndpoint, // Use actual PDS endpoint (e.g., shiitake.us-east.host.bsky.network)
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plcApi: 'https://plc.directory', // Standard PLC directory
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bskyApi: 'https://public.api.bsky.app', // Bluesky public API (NOT PDS)
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webUrl: 'https://bsky.app' // Bluesky web interface
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};
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} else {
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// Unknown PDS, assume Bluesky-compatible but use PDS for repo operations
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return {
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pdsApi: pdsEndpoint, // Use actual PDS for repo ops
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plcApi: 'https://plc.directory', // Default PLC
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bskyApi: 'https://public.api.bsky.app', // Default to Bluesky API
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webUrl: 'https://bsky.app' // Default web interface
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};
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}
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} catch (error) {
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// Fallback for invalid URLs
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return {
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pdsApi: 'https://bsky.social',
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plcApi: 'https://plc.directory',
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bskyApi: 'https://public.api.bsky.app',
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webUrl: 'https://bsky.app'
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};
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}
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}
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// Legacy function for backwards compatibility
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export function getNetworkConfig(pds: string): NetworkConfig {
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// This now assumes pds is a hostname
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return getNetworkConfigFromPdsEndpoint(`https://${pds}`);
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}
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// Get appropriate API URL for a user based on their handle
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export function getApiUrlForUser(handle: string): string {
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const pds = detectPdsFromHandle(handle);
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const config = getNetworkConfig(pds);
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return config.bskyApi;
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}
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// Resolve handle/DID to actual PDS endpoint using com.atproto.repo.describeRepo
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export async function resolvePdsFromRepo(handleOrDid: string): Promise<{ pds: string; did: string; handle: string }> {
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let targetDid = handleOrDid;
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let targetHandle = handleOrDid;
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// If handle provided, resolve to DID first using identity.resolveHandle
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if (!handleOrDid.startsWith('did:')) {
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try {
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// Try multiple endpoints for handle resolution
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const resolveEndpoints = ['https://public.api.bsky.app', 'https://bsky.syu.is'];
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let resolved = false;
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for (const endpoint of resolveEndpoints) {
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try {
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const resolveResponse = await fetch(`${endpoint}/xrpc/com.atproto.identity.resolveHandle?handle=${encodeURIComponent(handleOrDid)}`);
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if (resolveResponse.ok) {
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const resolveData = await resolveResponse.json();
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targetDid = resolveData.did;
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resolved = true;
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break;
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}
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} catch (error) {
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continue;
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}
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}
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if (!resolved) {
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throw new Error('Handle resolution failed from all endpoints');
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}
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} catch (error) {
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throw new Error(`Failed to resolve handle ${handleOrDid} to DID: ${error}`);
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}
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}
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// Now use com.atproto.repo.describeRepo to get PDS from known PDS endpoints
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const pdsEndpoints = ['https://bsky.social', 'https://syu.is'];
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for (const pdsEndpoint of pdsEndpoints) {
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try {
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const response = await fetch(`${pdsEndpoint}/xrpc/com.atproto.repo.describeRepo?repo=${encodeURIComponent(targetDid)}`);
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if (response.ok) {
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const data = await response.json();
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// Extract PDS from didDoc.service
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const services = data.didDoc?.service || [];
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const pdsService = services.find((s: any) =>
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s.id === '#atproto_pds' || s.type === 'AtprotoPersonalDataServer'
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);
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if (pdsService) {
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return {
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pds: pdsService.serviceEndpoint,
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did: data.did || targetDid,
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handle: data.handle || targetHandle
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};
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}
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}
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} catch (error) {
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continue;
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}
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}
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throw new Error(`Failed to resolve PDS for ${handleOrDid} from any endpoint`);
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}
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// Resolve DID to actual PDS endpoint using com.atproto.repo.describeRepo
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export async function resolvePdsFromDid(did: string): Promise<string> {
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const resolved = await resolvePdsFromRepo(did);
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return resolved.pds;
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}
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// Enhanced resolve handle to DID with proper PDS detection
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export async function resolveHandleToDid(handle: string): Promise<{ did: string; pds: string }> {
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try {
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// First, try to resolve the handle to DID using multiple methods
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const apiUrl = getApiUrlForUser(handle);
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const response = await fetch(`${apiUrl}/xrpc/app.bsky.actor.getProfile?actor=${encodeURIComponent(handle)}`);
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if (!response.ok) {
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throw new Error(`Failed to resolve handle: ${response.status}`);
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}
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const data = await response.json();
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const did = data.did;
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// Now resolve the actual PDS from the DID
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const actualPds = await resolvePdsFromDid(did);
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return {
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did: did,
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pds: actualPds
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};
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} catch (error) {
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console.error(`Failed to resolve handle ${handle}:`, error);
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// Fallback to handle-based detection
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const fallbackPds = detectPdsFromHandle(handle);
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throw error;
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}
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}
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// Get profile using appropriate API for the user with accurate PDS resolution
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export async function getProfileForUser(handleOrDid: string, knownPdsEndpoint?: string): Promise<any> {
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try {
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let apiUrl: string;
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if (knownPdsEndpoint) {
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// If we already know the user's PDS endpoint, use it directly
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const config = getNetworkConfigFromPdsEndpoint(knownPdsEndpoint);
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apiUrl = config.bskyApi;
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} else {
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// Resolve the user's actual PDS using describeRepo
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try {
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const resolved = await resolvePdsFromRepo(handleOrDid);
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const config = getNetworkConfigFromPdsEndpoint(resolved.pds);
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apiUrl = config.bskyApi;
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} catch {
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// Fallback to handle-based detection
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apiUrl = getApiUrlForUser(handleOrDid);
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}
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}
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const response = await fetch(`${apiUrl}/xrpc/app.bsky.actor.getProfile?actor=${encodeURIComponent(handleOrDid)}`);
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if (!response.ok) {
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throw new Error(`Failed to get profile: ${response.status}`);
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}
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return await response.json();
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} catch (error) {
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console.error(`Failed to get profile for ${handleOrDid}:`, error);
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// Final fallback: try with default Bluesky API
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try {
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const response = await fetch(`https://public.api.bsky.app/xrpc/app.bsky.actor.getProfile?actor=${encodeURIComponent(handleOrDid)}`);
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if (response.ok) {
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return await response.json();
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}
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} catch {
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// Ignore fallback errors
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}
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throw error;
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}
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}
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// Test and verify PDS detection methods
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export async function verifyPdsDetection(handleOrDid: string): Promise<void> {
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try {
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// Method 1: com.atproto.repo.describeRepo (PRIMARY METHOD)
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try {
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const resolved = await resolvePdsFromRepo(handleOrDid);
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const config = getNetworkConfigFromPdsEndpoint(resolved.pds);
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} catch (error) {
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// describeRepo failed
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}
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// Method 2: com.atproto.identity.resolveHandle (for comparison)
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if (!handleOrDid.startsWith('did:')) {
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try {
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const resolveResponse = await fetch(`https://public.api.bsky.app/xrpc/com.atproto.identity.resolveHandle?handle=${encodeURIComponent(handleOrDid)}`);
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if (resolveResponse.ok) {
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const resolveData = await resolveResponse.json();
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}
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} catch (error) {
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// Error resolving handle
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}
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}
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// Method 3: PLC Directory lookup (if we have a DID)
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let targetDid = handleOrDid;
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if (!handleOrDid.startsWith('did:')) {
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try {
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const profile = await getProfileForUser(handleOrDid);
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targetDid = profile.did;
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} catch {
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return;
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}
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}
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try {
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const plcResponse = await fetch(`https://plc.directory/${targetDid}`);
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if (plcResponse.ok) {
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const didDocument = await plcResponse.json();
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// Find PDS service
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const pdsService = didDocument.service?.find((s: any) =>
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s.id === '#atproto_pds' || s.type === 'AtprotoPersonalDataServer'
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);
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if (pdsService) {
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// Try to detect if this is a known network
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const pdsUrl = pdsService.serviceEndpoint;
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const hostname = new URL(pdsUrl).hostname;
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const detectedNetwork = detectPdsFromHandle(`user.${hostname}`);
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const networkConfig = getNetworkConfig(hostname);
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}
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}
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} catch (error) {
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// Error fetching from PLC directory
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}
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// Method 4: Our enhanced resolution
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try {
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if (handleOrDid.startsWith('did:')) {
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const pdsEndpoint = await resolvePdsFromDid(handleOrDid);
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} else {
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const resolved = await resolveHandleToDid(handleOrDid);
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}
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} catch (error) {
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// Enhanced resolution failed
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}
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} catch (error) {
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// Overall verification failed
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}
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}
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