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"name": "@interledger/wm-openapi", | ||
"homepage": "https://github.com/interledger/web-monetization-extension/tree/main/packages/openapi", | ||
"private": true, | ||
"main": "src/index.ts", | ||
"types": "src/index.ts", | ||
"repository": { | ||
"type": "git", | ||
"url": "[email protected]:interledeger/web-monetization-extension.git", | ||
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@@ -8,6 +8,7 @@ info: | |
paths: | ||
/: | ||
post: | ||
operationId: connect-wallet | ||
security: | ||
- bearer: [] | ||
summary: Connect a wallet | ||
|
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export * from "./generated/wm-server-types"; |
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import { type AuthenticatedClient } from '@interledger/open-payments'; | ||
import Koa from 'koa'; | ||
import bodyParser from 'koa-bodyparser'; | ||
import { Server } from 'node:http'; | ||
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import { type Config } from './config'; | ||
import { type Context, Router } from './context'; | ||
import { registerPublicRoutes } from './routes/public'; | ||
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export class Application { | ||
#config: Config; | ||
#koa: Koa<Koa.DefaultState, Context>; | ||
#router: Router; | ||
#server?: Server; | ||
#client: AuthenticatedClient; | ||
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constructor(config: Config, client: AuthenticatedClient) { | ||
this.#config = config; | ||
this.#client = client; | ||
this.#koa = new Koa(); | ||
this.#router = new Router(); | ||
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this.#decorateContext(); | ||
this.#koa.use(bodyParser()); | ||
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registerPublicRoutes(this.#router); | ||
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this.#koa.use(this.#router.routes()); | ||
this.#koa.use(this.#router.allowedMethods()); | ||
} | ||
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#decorateContext(): void { | ||
this.#koa.context.client = this.#client; | ||
} | ||
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async start(): Promise<void> { | ||
await new Promise<void>(res => { | ||
this.#server = this.#koa.listen(this.#config.PORT, res); | ||
}); | ||
} | ||
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async stop(): Promise<void> { | ||
await new Promise<void>((resolve, reject) => { | ||
this.#server?.close(err => { | ||
if (err) { | ||
reject(err); | ||
} else { | ||
resolve(); | ||
} | ||
}); | ||
}); | ||
} | ||
} |
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import { createAuthenticatedClient } from '@interledger/open-payments'; | ||
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import { Application } from './app'; | ||
import { config } from './config'; | ||
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async function test() { | ||
console.log('creating op client'); | ||
return await createAuthenticatedClient({ | ||
walletAddressUrl: config.WALLET_ADDRESS, | ||
privateKey: Buffer.from(config.PRIVATE_KEY, 'base64'), | ||
keyId: config.KEY_ID, | ||
}); | ||
} | ||
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export async function bootstrap() { | ||
const client = await test(); | ||
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const app = new Application(config, client); | ||
await app.start(); | ||
console.log(`WM Server listening on port ${config.PORT}`); | ||
} |
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function getEnvVariable(name: string, defaultValue?: any): string { | ||
if (!process.env[name]) { | ||
return defaultValue; | ||
} | ||
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return process.env[name]!; | ||
} | ||
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export type Config = typeof config; | ||
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export const config = { | ||
PORT: parseInt(getEnvVariable('PORT', 3000), 10), | ||
WALLET_ADDRESS: getEnvVariable('WALLET_ADDRESS'), | ||
PRIVATE_KEY: getEnvVariable('PRIVATE_KEY'), | ||
KEY_ID: getEnvVariable('KEY_ID'), | ||
} as const; |
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import { type AuthenticatedClient } from '@interledger/open-payments'; | ||
import { operations as Operations } from '@interledger/wm-openapi'; | ||
import KoaRouter from '@koa/router'; | ||
import Koa from 'koa'; | ||
import { type ParsedUrlQuery } from 'node:querystring'; | ||
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export interface ContextExtension<TResponseBody = unknown> | ||
extends Koa.ParameterizedContext<Koa.DefaultState, Koa.DefaultContext, TResponseBody> { | ||
client: AuthenticatedClient; | ||
} | ||
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interface Request<TBody = never, TQuery = ParsedUrlQuery> | ||
extends Omit<ContextExtension['request'], 'body'> { | ||
body: TBody; | ||
query: ParsedUrlQuery & TQuery; | ||
} | ||
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export interface ConnectWalletContext extends ContextExtension { | ||
request: Request<Operations['connect-wallet']['requestBody']['content']['application/json']>; | ||
} | ||
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export type Context = Koa.ParameterizedContext<Koa.DefaultState, ContextExtension>; | ||
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export class Router extends KoaRouter<Koa.DefaultState, ContextExtension> {} |
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import { | ||
createHeaders, | ||
Headers, | ||
loadBase64Key, | ||
RequestLike, | ||
} from '@interledger/http-signature-utils'; | ||
import Koa from 'koa'; | ||
import bodyParser from 'koa-bodyparser'; | ||
import { bootstrap } from './bootstrap'; | ||
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interface Context<TResponseBody = unknown> | ||
extends Koa.ParameterizedContext<Koa.DefaultState, Koa.DefaultContext, TResponseBody> {} | ||
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interface GenerateSignatureRequestBody extends RequestLike {} | ||
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function validateBody(body: any): body is GenerateSignatureRequestBody { | ||
return !!body.headers && !!body.method && !!body.url; | ||
} | ||
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async function validatePath(ctx: Context, next: Koa.Next): Promise<void> { | ||
if (ctx.path !== '/') { | ||
ctx.status = 403; | ||
} else { | ||
await next(); | ||
} | ||
} | ||
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async function validateMethod(ctx: Context, next: Koa.Next): Promise<void> { | ||
if (ctx.method !== 'POST') { | ||
ctx.status = 405; | ||
} else { | ||
await next(); | ||
} | ||
} | ||
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async function createHeadersHandler(ctx: Context<Headers>): Promise<void> { | ||
const { body } = ctx.request; | ||
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if (!validateBody(body)) { | ||
ctx.throw('Invalid request body', 400); | ||
} | ||
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let privateKey: ReturnType<typeof loadBase64Key>; | ||
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try { | ||
privateKey = loadBase64Key(BASE64_PRIVATE_KEY); | ||
} catch { | ||
ctx.throw('Not a valid private key', 400); | ||
} | ||
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if (privateKey === undefined) { | ||
ctx.throw('Not an Ed25519 private key', 400); | ||
} | ||
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const headers = await createHeaders({ | ||
request: body, | ||
privateKey, | ||
keyId: KEY_ID, | ||
}); | ||
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delete headers['Content-Length']; | ||
delete headers['Content-Type']; | ||
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ctx.body = headers; | ||
} | ||
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const PORT = 3000; | ||
const BASE64_PRIVATE_KEY = | ||
'LS0tLS1CRUdJTiBQUklWQVRFIEtFWS0tLS0tCk1DNENBUUF3QlFZREsyVndCQ0lFSUUvVlJTRVUzYS9CTUE2cmhUQnZmKzcxMG10YWlmbkF6SzFsWGpDK0QrSTkKLS0tLS1FTkQgUFJJVkFURSBLRVktLS0tLQ=='; | ||
const KEY_ID = 'f0ac2190-54d5-47c8-b061-221e7068d823'; | ||
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const app = new Koa<Koa.DefaultState, Context>(); | ||
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app.use(bodyParser()); | ||
app.use(validatePath); | ||
app.use(validateMethod); | ||
app.use(createHeadersHandler); | ||
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app.listen(3000, () => { | ||
// eslint-disable-next-line no-console | ||
console.log(`Local signatures server started on port ${PORT}`); | ||
}); | ||
bootstrap(); |
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import type { DefaultState } from 'koa'; | ||
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import type { ConnectWalletContext, Router } from '../context'; | ||
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export function registerPublicRoutes(router: Router) { | ||
router.get<DefaultState, ConnectWalletContext>('/', async ctx => { | ||
const wallet = await ctx.client.walletAddress.get({ | ||
url: 'https://ilp.rafiki.money/radu', | ||
}); | ||
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ctx.body = wallet; | ||
}); | ||
} |
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