forgot to expose blossom, as usual.

abstract-relay.ts

@@ -1,6 +1,6 @@
 /* global WebSocket */
 
-import type { Event, EventTemplate, VerifiedEvent, Nostr } from './core.ts'
+import type { Event, EventTemplate, VerifiedEvent, Nostr, NostrEvent } from './core.ts'
 import { matchFilters, type Filter } from './filter.ts'
 import { getHex64, getSubscriptionId } from './fakejson.ts'
 import { Queue, normalizeURL } from './utils.ts'
@@ -12,6 +12,13 @@ export type AbstractRelayConstructorOptions = {
   websocketImplementation?: typeof WebSocket
 }
 
+export class SendingOnClosedConnection extends Error {
+  constructor(message: string, relay: string) {
+    super(`Tried to send message '${message} on a closed connection to ${relay}.`)
+    this.name = 'SendingOnClosedConnection'
+  }
+}
+
 export class AbstractRelay {
   public readonly url: string
   private _connected: boolean = false
@@ -112,7 +119,7 @@ export class AbstractRelay {
         }
       }
 
-      this.ws.onclose = (ev) => {
+      this.ws.onclose = ev => {
         clearTimeout(this.connectionTimeoutHandle)
         reject((ev as any).message || 'websocket closed')
         if (this._connected) {
@@ -178,7 +185,7 @@ export class AbstractRelay {
       switch (data[0]) {
         case 'EVENT': {
           const so = this.openSubs.get(data[1] as string) as Subscription
-          const event = data[2] as Event
+          const event = data[2] as NostrEvent
           if (this.verifyEvent(event) && matchFilters(so.filters, event)) {
             so.onevent(event)
           }
@@ -236,7 +243,7 @@ export class AbstractRelay {
   }
 
   public async send(message: string) {
-    if (!this.connectionPromise) throw new Error('sending on closed connection')
+    if (!this.connectionPromise) throw new SendingOnClosedConnection(message, this.url)
 
     this.connectionPromise.then(() => {
       this.ws?.send(message)
@@ -379,7 +386,15 @@ export class Subscription {
     if (!this.closed && this.relay.connected) {
       // if the connection was closed by the user calling .close() we will send a CLOSE message
       // otherwise this._open will be already set to false so we will skip this
-      this.relay.send('["CLOSE",' + JSON.stringify(this.id) + ']')
+      try {
+        this.relay.send('["CLOSE",' + JSON.stringify(this.id) + ']')
+      } catch (err) {
+        if (err instanceof SendingOnClosedConnection) {
+          /* doesn't matter, it's ok */
+        } else {
+          throw err
+        }
+      }
       this.closed = true
     }
     this.relay.openSubs.delete(this.id)

jsr.json

@@ -1,6 +1,6 @@
 {
   "name": "@nostr/tools",
-  "version": "2.13.2",
+  "version": "2.14.1",
   "exports": {
     ".": "./index.ts",
     "./core": "./core.ts",
@@ -42,7 +42,9 @@
     "./nip94": "./nip94.ts",
     "./nip98": "./nip98.ts",
     "./nip99": "./nip99.ts",
+    "./nip99": "./nipb7.ts",
     "./fakejson": "./fakejson.ts",
     "./utils": "./utils.ts"
+    "./signer": "./signer.ts"
   }
 }

kinds.ts

@@ -20,9 +20,6 @@ export function isAddressableKind(kind: number): boolean {
   return 30000 <= kind && kind < 40000
 }
 
-/** @deprecated use isAddressableKind instead */
-export const isParameterizedReplaceableKind = isAddressableKind
-
 /** Classification of the event kind. */
 export type KindClassification = 'regular' | 'replaceable' | 'ephemeral' | 'parameterized' | 'unknown'
 

nip17.test.ts

@@ -4,7 +4,7 @@ import { decode } from './nip19.ts'
 import { wrapEvent, wrapManyEvents, unwrapEvent } from './nip17.ts'
 import { hexToBytes } from '@noble/hashes/utils'
 
-const senderPrivateKey = decode(`nsec1p0ht6p3wepe47sjrgesyn4m50m6avk2waqudu9rl324cg2c4ufesyp6rdg`).data as Uint8Array
+const senderPrivateKey = decode(`nsec1p0ht6p3wepe47sjrgesyn4m50m6avk2waqudu9rl324cg2c4ufesyp6rdg`).data
 
 const sk1 = hexToBytes('f09ac9b695d0a4c6daa418fe95b977eea20f54d9545592bc36a4f9e14f3eb840')
 const sk2 = hexToBytes('5393a825e5892d8e18d4a5ea61ced105e8bb2a106f42876be3a40522e0b13747')

nip19.test.ts

@@ -1,17 +1,14 @@
-import { test, expect, describe } from 'bun:test'
-import { generateSecretKey, getPublicKey } from './pure.ts'
+import { describe, expect, test } from 'bun:test'
 import {
   decode,
   naddrEncode,
+  neventEncode,
+  NostrTypeGuard,
   nprofileEncode,
   npubEncode,
-  nsecEncode,
-  neventEncode,
-  type AddressPointer,
-  type ProfilePointer,
-  EventPointer,
-  NostrTypeGuard,
+  nsecEncode
 } from './nip19.ts'
+import { generateSecretKey, getPublicKey } from './pure.ts'
 
 test('encode and decode nsec', () => {
   let sk = generateSecretKey()
@@ -38,7 +35,7 @@ test('encode and decode nprofile', () => {
   expect(nprofile).toMatch(/nprofile1\w+/)
   let { type, data } = decode(nprofile)
   expect(type).toEqual('nprofile')
-  const pointer = data as ProfilePointer
+  const pointer = data
   expect(pointer.pubkey).toEqual(pk)
   expect(pointer.relays).toContain(relays[0])
   expect(pointer.relays).toContain(relays[1])
@@ -67,7 +64,7 @@ test('encode and decode naddr', () => {
   expect(naddr).toMatch(/naddr1\w+/)
   let { type, data } = decode(naddr)
   expect(type).toEqual('naddr')
-  const pointer = data as AddressPointer
+  const pointer = data
   expect(pointer.pubkey).toEqual(pk)
   expect(pointer.relays).toContain(relays[0])
   expect(pointer.relays).toContain(relays[1])
@@ -86,7 +83,7 @@ test('encode and decode nevent', () => {
   expect(nevent).toMatch(/nevent1\w+/)
   let { type, data } = decode(nevent)
   expect(type).toEqual('nevent')
-  const pointer = data as EventPointer
+  const pointer = data
   expect(pointer.id).toEqual(pk)
   expect(pointer.relays).toContain(relays[0])
   expect(pointer.kind).toEqual(30023)
@@ -103,7 +100,7 @@ test('encode and decode nevent with kind 0', () => {
   expect(nevent).toMatch(/nevent1\w+/)
   let { type, data } = decode(nevent)
   expect(type).toEqual('nevent')
-  const pointer = data as EventPointer
+  const pointer = data
   expect(pointer.id).toEqual(pk)
   expect(pointer.relays).toContain(relays[0])
   expect(pointer.kind).toEqual(0)
@@ -121,7 +118,7 @@ test('encode and decode naddr with empty "d"', () => {
   expect(naddr).toMatch(/naddr\w+/)
   let { type, data } = decode(naddr)
   expect(type).toEqual('naddr')
-  const pointer = data as AddressPointer
+  const pointer = data
   expect(pointer.identifier).toEqual('')
   expect(pointer.relays).toContain(relays[0])
   expect(pointer.kind).toEqual(3)
@@ -133,7 +130,7 @@ test('decode naddr from habla.news', () => {
     'naddr1qq98yetxv4ex2mnrv4esygrl54h466tz4v0re4pyuavvxqptsejl0vxcmnhfl60z3rth2xkpjspsgqqqw4rsf34vl5',
   )
   expect(type).toEqual('naddr')
-  const pointer = data as AddressPointer
+  const pointer = data
   expect(pointer.pubkey).toEqual('7fa56f5d6962ab1e3cd424e758c3002b8665f7b0d8dcee9fe9e288d7751ac194')
   expect(pointer.kind).toEqual(30023)
   expect(pointer.identifier).toEqual('references')
@@ -145,7 +142,7 @@ test('decode naddr from go-nostr with different TLV ordering', () => {
   )
 
   expect(type).toEqual('naddr')
-  const pointer = data as AddressPointer
+  const pointer = data
   expect(pointer.pubkey).toEqual('3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d')
   expect(pointer.relays).toContain('wss://relay.nostr.example.mydomain.example.com')
   expect(pointer.relays).toContain('wss://nostr.banana.com')

nip19.ts

@@ -70,31 +70,46 @@ export function decodeNostrURI(nip19code: string): ReturnType<typeof decode> | {
   }
 }
 
-export function decode(code: string):
-  | {
-      type: 'nevent'
-      data: EventPointer
-    }
-  | {
-      type: 'nprofile'
-      data: ProfilePointer
-    }
-  | {
-      type: 'naddr'
-      data: AddressPointer
-    }
-  | {
-      type: 'npub'
-      data: string
-    }
-  | {
-      type: 'nsec'
-      data: Uint8Array
-    }
-  | {
-      type: 'note'
-      data: string
-    } {
+export type DecodedNevent = {
+  type: 'nevent'
+  data: EventPointer
+}
+
+export type DecodedNprofile = {
+  type: 'nprofile'
+  data: ProfilePointer
+}
+
+export type DecodedNaddr = {
+  type: 'naddr'
+  data: AddressPointer
+}
+
+export type DecodedNsec = {
+  type: 'nsec'
+  data: Uint8Array
+}
+
+export type DecodedNpub = {
+  type: 'npub'
+  data: string
+}
+
+export type DecodedNote = {
+  type: 'note'
+  data: string
+}
+
+export type DecodedResult = DecodedNevent | DecodedNprofile | DecodedNaddr | DecodedNpub | DecodedNsec | DecodedNote
+
+export function decode(nip19: NEvent): DecodedNevent
+export function decode(nip19: NProfile): DecodedNprofile
+export function decode(nip19: NAddr): DecodedNaddr
+export function decode(nip19: NSec): DecodedNsec
+export function decode(nip19: NPub): DecodedNpub
+export function decode(nip19: Note): DecodedNote
+export function decode(code: string): DecodedResult
+export function decode(code: string): DecodedResult {
   let { prefix, words } = bech32.decode(code, Bech32MaxSize)
   let data = new Uint8Array(bech32.fromWords(words))
 

nip29.ts

@@ -2,7 +2,7 @@ import { AbstractSimplePool } from './abstract-pool.ts'
 import { Subscription } from './abstract-relay.ts'
 import type { Event, EventTemplate } from './core.ts'
 import { fetchRelayInformation, RelayInformation } from './nip11.ts'
-import { AddressPointer, decode } from './nip19.ts'
+import { AddressPointer, decode, NostrTypeGuard } from './nip19.ts'
 import { normalizeURL } from './utils.ts'
 
 /**
@@ -518,11 +518,11 @@ export async function loadGroupFromCode(pool: AbstractSimplePool, code: string):
  * @returns A GroupReference object if the code is valid, otherwise null.
  */
 export function parseGroupCode(code: string): null | GroupReference {
-  if (code.startsWith('naddr1')) {
+  if (NostrTypeGuard.isNAddr(code)) {
     try {
       let { data } = decode(code)
 
-      let { relays, identifier } = data as AddressPointer
+      let { relays, identifier } = data
       if (!relays || relays.length === 0) return null
 
       let host = relays![0]

nip46.ts

@@ -6,6 +6,7 @@ import { NIP05_REGEX } from './nip05.ts'
 import { SimplePool } from './pool.ts'
 import { Handlerinformation, NostrConnect } from './kinds.ts'
 import type { RelayRecord } from './relay.ts'
+import { Signer } from './signer.ts'
 
 var _fetch: any
 
@@ -82,7 +83,7 @@ export type BunkerSignerParams = {
   onauth?: (url: string) => void
 }
 
-export class BunkerSigner {
+export class BunkerSigner implements Signer {
   private params: BunkerSignerParams
   private pool: AbstractSimplePool
   private subCloser: SubCloser | undefined

nipb7.test.ts

@@ -0,0 +1,55 @@
+import { test, expect } from 'bun:test'
+import { BlossomClient } from './nipb7.ts'
+import { sha256 } from '@noble/hashes/sha256'
+import { bytesToHex } from './utils.ts'
+import { PlainKeySigner } from './signer.ts'
+import { generateSecretKey } from './pure.ts'
+
+test('blossom', async () => {
+  const BLOSSOM_SERVER = 'blossom.primal.net'
+  const TEST_CONTENT = 'hello world'
+  const TEST_BLOB = new Blob([TEST_CONTENT], { type: 'text/plain' })
+
+  const expectedHash = bytesToHex(sha256(new TextEncoder().encode(TEST_CONTENT)))
+
+  const signer = new PlainKeySigner(generateSecretKey())
+  const client = new BlossomClient(BLOSSOM_SERVER, signer)
+  expect(client).toBeDefined()
+
+  // check for non-existent file should throw
+  const invalidHash = expectedHash.slice(0, 62) + 'ba'
+  let hasThrown = false
+  try {
+    await client.check(invalidHash)
+  } catch (err) {
+    hasThrown = true
+  }
+  expect(hasThrown).toBeTrue()
+
+  // upload hello world blob
+  const descriptor = await client.uploadBlob(TEST_BLOB, 'text/plain')
+  expect(descriptor).toBeDefined()
+  expect(descriptor.sha256).toBe(expectedHash)
+  expect(descriptor.size).toBe(TEST_CONTENT.length)
+  expect(descriptor.type).toBe('text/plain')
+  expect(descriptor.url).toContain(expectedHash)
+  expect(descriptor.uploaded).toBeGreaterThan(0)
+  await client.check(expectedHash)
+
+  // download and verify
+  const downloadedBuffer = await client.download(expectedHash)
+  const downloadedContent = new TextDecoder().decode(downloadedBuffer)
+  expect(downloadedContent).toBe(TEST_CONTENT)
+
+  // list blobs should include our uploaded file
+  const blobs = await client.list()
+
+  expect(Array.isArray(blobs)).toBe(true)
+  const ourBlob = blobs.find(blob => blob.sha256 === expectedHash)
+  expect(ourBlob).toBeDefined()
+  expect(ourBlob?.type).toBe('text/plain')
+  expect(ourBlob?.size).toBe(TEST_CONTENT.length)
+
+  // delete
+  await client.delete(expectedHash)
+})

nipb7.ts

@@ -0,0 +1,203 @@
+import { sha256 } from '@noble/hashes/sha256'
+import { EventTemplate } from './core.ts'
+import { Signer } from './signer.ts'
+import { bytesToHex } from './utils.ts'
+
+export type BlobDescriptor = {
+  url: string
+  sha256: string
+  size: number
+  type: string
+  uploaded: number
+}
+
+export class BlossomClient {
+  private mediaserver: string
+  private signer: Signer
+
+  constructor(mediaserver: string, signer: Signer) {
+    if (!mediaserver.startsWith('http')) {
+      mediaserver = 'https://' + mediaserver
+    }
+    this.mediaserver = mediaserver.replace(/\/$/, '') + '/'
+    this.signer = signer
+  }
+
+  private async httpCall(
+    method: string,
+    url: string,
+    contentType?: string,
+    addAuthorization?: () => Promise<string>,
+    body?: File | Blob,
+    result?: any,
+  ): Promise<any> {
+    const headers: { [_: string]: string } = {}
+
+    if (contentType) {
+      headers['Content-Type'] = contentType
+    }
+
+    if (addAuthorization) {
+      const auth = await addAuthorization()
+      if (auth) {
+        headers['Authorization'] = auth
+      }
+    }
+
+    const response = await fetch(this.mediaserver + url, {
+      method,
+      headers,
+      body,
+    })
+
+    if (response.status >= 300) {
+      const reason = response.headers.get('X-Reason') || response.statusText
+      throw new Error(`${url} returned an error (${response.status}): ${reason}`)
+    }
+
+    if (result !== null && response.headers.get('content-type')?.includes('application/json')) {
+      return await response.json()
+    }
+
+    return response
+  }
+
+  private async authorizationHeader(modify?: (event: EventTemplate) => void): Promise<string> {
+    const now = Math.floor(Date.now() / 1000)
+    const event: EventTemplate = {
+      created_at: now,
+      kind: 24242,
+      content: 'blossom stuff',
+      tags: [['expiration', String(now + 60)]],
+    }
+
+    if (modify) {
+      modify(event)
+    }
+
+    try {
+      const signedEvent = await this.signer.signEvent(event)
+      const eventJson = JSON.stringify(signedEvent)
+      return 'Nostr ' + btoa(eventJson)
+    } catch (error) {
+      return ''
+    }
+  }
+
+  private isValid32ByteHex(hash: string): boolean {
+    return /^[a-f0-9]{64}$/i.test(hash)
+  }
+
+  async check(hash: string): Promise<void> {
+    if (!this.isValid32ByteHex(hash)) {
+      throw new Error(`${hash} is not a valid 32-byte hex string`)
+    }
+
+    try {
+      await this.httpCall('HEAD', hash)
+    } catch (error) {
+      throw new Error(`failed to check for ${hash}: ${error}`)
+    }
+  }
+
+  async uploadBlob(file: File | Blob, contentType?: string): Promise<BlobDescriptor> {
+    const hash = bytesToHex(sha256(new Uint8Array(await file.arrayBuffer())))
+    const actualContentType = contentType || file.type || 'application/octet-stream'
+
+    const bd = await this.httpCall(
+      'PUT',
+      'upload',
+      actualContentType,
+      () =>
+        this.authorizationHeader(evt => {
+          evt.tags.push(['t', 'upload'])
+          evt.tags.push(['x', hash])
+        }),
+      file,
+      {},
+    )
+
+    return bd
+  }
+
+  async uploadFile(file: File): Promise<BlobDescriptor> {
+    return this.uploadBlob(file, file.type)
+  }
+
+  async download(hash: string): Promise<ArrayBuffer> {
+    if (!this.isValid32ByteHex(hash)) {
+      throw new Error(`${hash} is not a valid 32-byte hex string`)
+    }
+
+    const authHeader = await this.authorizationHeader(evt => {
+      evt.tags.push(['t', 'get'])
+      evt.tags.push(['x', hash])
+    })
+
+    const response = await fetch(this.mediaserver + hash, {
+      method: 'GET',
+      headers: {
+        Authorization: authHeader,
+      },
+    })
+
+    if (response.status >= 300) {
+      throw new Error(`${hash} is not present in ${this.mediaserver}: ${response.status}`)
+    }
+
+    return await response.arrayBuffer()
+  }
+
+  async downloadAsBlob(hash: string): Promise<Blob> {
+    const arrayBuffer = await this.download(hash)
+    return new Blob([arrayBuffer])
+  }
+
+  async list(): Promise<BlobDescriptor[]> {
+    const pubkey = await this.signer.getPublicKey()
+
+    if (!this.isValid32ByteHex(pubkey)) {
+      throw new Error(`pubkey ${pubkey} is not valid`)
+    }
+
+    try {
+      const bds = await this.httpCall(
+        'GET',
+        `list/${pubkey}`,
+        undefined,
+        () =>
+          this.authorizationHeader(evt => {
+            evt.tags.push(['t', 'list'])
+          }),
+        undefined,
+        [],
+      )
+      return bds
+    } catch (error) {
+      throw new Error(`failed to list blobs: ${error}`)
+    }
+  }
+
+  async delete(hash: string): Promise<void> {
+    if (!this.isValid32ByteHex(hash)) {
+      throw new Error(`${hash} is not a valid 32-byte hex string`)
+    }
+
+    try {
+      await this.httpCall(
+        'DELETE',
+        hash,
+        undefined,
+        () =>
+          this.authorizationHeader(evt => {
+            evt.tags.push(['t', 'delete'])
+            evt.tags.push(['x', hash])
+          }),
+        undefined,
+        null,
+      )
+    } catch (error) {
+      throw new Error(`failed to delete ${hash}: ${error}`)
+    }
+  }
+}

package.json

@@ -1,7 +1,7 @@
 {
   "type": "module",
   "name": "nostr-tools",
-  "version": "2.13.2",
+  "version": "2.14.1",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",
@@ -213,11 +213,21 @@
       "require": "./lib/cjs/nip99.js",
       "types": "./lib/types/nip99.d.ts"
     },
+    "./nipb7": {
+      "import": "./lib/esm/nipb7.js",
+      "require": "./lib/cjs/nipb7.js",
+      "types": "./lib/types/nipb7.d.ts"
+    },
     "./fakejson": {
       "import": "./lib/esm/fakejson.js",
       "require": "./lib/cjs/fakejson.js",
       "types": "./lib/types/fakejson.d.ts"
     },
+    "./signer": {
+      "import": "./lib/esm/signer.js",
+      "require": "./lib/cjs/signer.js",
+      "types": "./lib/types/signer.d.ts"
+    },
     "./utils": {
       "import": "./lib/esm/utils.js",
       "require": "./lib/cjs/utils.js",

relay.ts

@@ -3,13 +3,6 @@
 import { verifyEvent } from './pure.ts'
 import { AbstractRelay } from './abstract-relay.ts'
 
-/**
- * @deprecated use Relay.connect() instead.
- */
-export function relayConnect(url: string): Promise<Relay> {
-  return Relay.connect(url)
-}
-
 var _WebSocket: typeof WebSocket
 
 try {

signer.ts

@@ -0,0 +1,23 @@
+import { EventTemplate, VerifiedEvent } from './core.ts'
+import { finalizeEvent, getPublicKey } from './pure.ts'
+
+export interface Signer {
+  getPublicKey(): Promise<string>
+  signEvent(event: EventTemplate): Promise<VerifiedEvent>
+}
+
+export class PlainKeySigner implements Signer {
+  private secretKey: Uint8Array
+
+  constructor(secretKey: Uint8Array) {
+    this.secretKey = secretKey
+  }
+
+  async getPublicKey(): Promise<string> {
+    return getPublicKey(this.secretKey)
+  }
+
+  async signEvent(event: EventTemplate): Promise<VerifiedEvent> {
+    return finalizeEvent(event, this.secretKey)
+  }
+}