{
  "version": 3,
  "sources": ["../../src/dwn-http-client.ts", "../../src/dwn-json-rpc.ts", "../../src/dwn-http-server.ts", "../../src/dwn-did.ts", "../../src/dwn-proxy.ts"],
  "sourcesContent": ["import { RecordsWriteMessage } from '@tbd54566975/dwn-sdk-js'\nimport { DidIonApi, DwnServiceEndpoint } from '@tbd54566975/dids'\nimport { createRequest, parseResponse } from './dwn-json-rpc.js'\nimport { DwnResponse } from './dwn-types.js'\n\nexport class DwnHttpClient {\n  // TODO did resolver cache member variable\n\n  #resolveEndpoint = async (did: string): Promise<string> => {\n    // TODO use resolver cache\n    const doc = (await new DidIonApi().resolve(did)).didDocument\n    if (!doc) throw new Error() // TODO\n    const service = doc.service?.find(x => x.type === 'DecentralizedWebNode')\n    if (!service) throw new Error() // TODO\n    return (service.serviceEndpoint as DwnServiceEndpoint).nodes[0]\n  }\n\n  send = async (target: string, message: RecordsWriteMessage, payload?: string): Promise<DwnResponse> => {\n    const endpoint = await this.#resolveEndpoint(target)\n\n    const fetchOpts = {\n      method  : 'POST',\n      headers : {\n        'dwn-request': JSON.stringify(createRequest(target, message))\n      }\n    }\n    if (payload) {\n      fetchOpts.headers['content-type'] = 'application/octet-stream'\n      fetchOpts['body'] = payload\n    }\n\n    const res =  await fetch(endpoint, fetchOpts)\n\n    let dwnResponse: DwnResponse\n    if (res.headers.has('dwn-response'))\n      dwnResponse = parseResponse(JSON.parse(res.headers.get('dwn-response')))\n    else\n      dwnResponse = parseResponse(JSON.parse(await res.text()))\n\n    return dwnResponse\n  }\n}", "import type { DwnMessage, DwnRequest, DwnResponse } from './dwn-types.js'\n\nexport type JsonRpcId = string | number | null\nexport type JsonRpcParams = DwnRequest // todo\nexport type JsonRpcVersion = '2.0'\n\nexport interface JsonRpcRequest {\n  jsonrpc: JsonRpcVersion\n  id?: JsonRpcId\n  method: string\n  params?: JsonRpcParams\n}\n\nexport interface JsonRpcResponse {\n  jsonrpc: JsonRpcVersion\n  id: JsonRpcId\n  result: any\n  error?: undefined\n}\n\nexport const parseRequest = (req: JsonRpcRequest): DwnRequest => {\n  return req.params\n}\n\nexport const createRequest = (target: string, message: DwnMessage): JsonRpcRequest => {\n  return {\n    jsonrpc : '2.0',\n    id      : '', // TODO\n    method  : 'dwn.processMessage',\n    params  : {\n      target,\n      message\n    }\n  }\n}\n\nexport const parseResponse = (res: JsonRpcResponse): DwnResponse => {\n  return res.result\n}\n\nexport const createResponse = (res: DwnResponse): JsonRpcResponse => {\n  return {\n    jsonrpc : '2.0',\n    id      : '',\n    result  : {\n      reply: res.reply\n    }\n  }\n}", "import express from 'express'\nimport type { Express, Request, Response } from 'express'\nimport cors from 'cors'\nimport { DwnRequest, DwnResponse } from './dwn-types.js'\nimport { Dwn } from '@tbd54566975/dwn-sdk-js'\nimport { parseRequest, createResponse } from './dwn-json-rpc.js'\n\nexport interface IHandler {\n  (req: DwnRequest): Promise<DwnResponse | void>\n}\n\ntype Options = {\n  dwn: Dwn\n  handler?: (req: DwnRequest) => Promise<DwnResponse | void>\n  // [kw] can parameterize the json-rpc parsing\n}\n\nexport const readReq = async <T = any>(req: Request): Promise<T | void> => {\n  let chunks = ''\n  for await (const chunk of req) chunks += chunk\n  if (chunks) return JSON.parse(chunks)\n}\n\nexport class DwnHttpServer {\n  #options: Options\n  api: Express\n\n  constructor(options: Options) {\n    this.#options = options\n    this.api = express()\n\n    this.api.use(cors({ exposedHeaders: 'dwn-response' }))\n    this.api.get('/health', (_, res) => res.json({ ok: true }))\n\n    this.api.get('/', (_req, res) => {\n      // return a plain text string\n      res.setHeader('content-type', 'text/plain')\n      return res.send('please use a web5 client, for example: https://github.com/TBD54566975/web5-js ')\n    })\n\n    this.api.post('/', async (req: Request, res: Response) => {\n      try {\n        let dwnRequest: DwnRequest\n        try {\n          dwnRequest = parseRequest(JSON.parse(req.headers['dwn-request'] as string))\n          if (!dwnRequest.payload) {\n            const contentLength = req.headers['content-length']\n            const transferEncoding = req.headers['transfer-encoding']\n            const requestDataStream = (parseInt(contentLength) > 0 || transferEncoding !== undefined) ? req : undefined\n            dwnRequest.payload = requestDataStream\n          }\n        } catch (err) {\n          // todo integrate w/ web5-js expected response\n          console.error('Failed to parse client request', err)\n          res.status(400).end(err.message)\n          return\n        }\n\n        const dwnResponse = this.#options.handler ? await this.#options.handler(dwnRequest) : undefined\n\n        if (!dwnResponse) {\n          const reply = await this.#options.dwn.processMessage(dwnRequest.target, dwnRequest.message, dwnRequest.payload as any)\n          res.json(reply)\n        } else if (dwnResponse.payload) {\n          res.setHeader('content-type', 'application/octet-stream')\n          res.setHeader('dwn-response', JSON.stringify(createResponse(dwnResponse)))\n          dwnResponse.payload.pipe(res)\n        } else {\n          res.json(createResponse(dwnResponse))\n        }\n      } catch (err) {\n        // todo integrate w/ web5-js expected response\n        console.error('Failed to process message', err)\n        res.status(500).end(err.message)\n        return\n      }\n    })\n  }\n\n  listen = (port: number, callback?: () => void) => this.api.listen(port, callback)\n}", "import { DidIonApi } from '@tbd54566975/dids'\nimport { DidStateWithSignatureInput } from './dwn-types.js'\n\nexport const generateDidState = async (endpoint: string): Promise<DidStateWithSignatureInput> => {\n  const didState = await new DidIonApi().create({\n    services: [{\n      id              : 'dwn',\n      type            : 'DecentralizedWebNode',\n      serviceEndpoint : {\n        nodes: [ endpoint ]\n      }\n    }]\n  })\n\n  console.log(`Created DID & hosting service endpoint at ${endpoint}`)\n  console.log(didState.id)\n\n  const { keys } = didState\n  const [ key ] = keys\n  const { privateKeyJwk } = key\n  const kidFragment = privateKeyJwk.kid || key.id\n  const kid = `${didState.id}#${kidFragment}`\n  return {\n    ...didState,\n    signatureInput: {\n      privateJwk      : privateKeyJwk,\n      protectedHeader : { alg: privateKeyJwk.crv, kid }\n    }\n  }\n}", "import { DwnHttpClient } from './dwn-http-client.js'\nimport { DwnHttpServer, readReq } from './dwn-http-server.js'\nimport { generateDidState } from './dwn-did.js'\nimport type { DwnRequest, DwnResponse, DidStateWithSignatureInput } from './dwn-types.js'\nimport { Dwn } from '@tbd54566975/dwn-sdk-js'\n\ninterface IMatch {\n  (req: DwnRequest): boolean\n}\ninterface IHandler {\n  (dwnRequest: DwnRequest): Promise<void | DwnResponse>\n}\ninterface IMatchHandler {\n  match: IMatch\n  handler: IHandler\n}\n\nexport type DwnProxyOptions = Partial<{\n  serviceEndpoint: string\n  didState: DidStateWithSignatureInput\n}>\n\nexport class DwnProxy {\n  options: DwnProxyOptions\n  server: DwnHttpServer\n  client: DwnHttpClient\n  dwn: Dwn\n  #handlers: Array<IMatchHandler> = []\n\n  constructor(options: DwnProxyOptions) {\n    this.options = options\n  }\n\n  #inbound = async (request: DwnRequest): Promise<DwnResponse | void> => {\n    // [kw] could use a has map of sorts instead of iterating every time\n    for (const { match, handler } of this.#handlers) {\n      const isMatch = match(request)\n      if (isMatch) {\n        if (request.payload) // go ahead and read the payload into an object\n          request.payload = await readReq(request.payload)\n        return await handler(request)\n      }\n    }\n\n    throw new Error('Unable to find middleware')\n  }\n\n  addHandler = (match: IMatch, handler: IHandler) => this.#handlers.push({ match, handler })\n\n  async listen(port: number) {\n    if (!this.options.didState)\n      this.options.didState = await generateDidState(this.options.serviceEndpoint ?? `http://0.0.0.0:${port}`)\n\n    this.dwn = await Dwn.create()\n\n    this.server = new DwnHttpServer({\n      dwn     : this.dwn,\n      handler : this.#inbound\n    })\n\n    this.server.listen(port, () => {\n      console.log(`server listening on port ${port}`)\n    })\n\n    this.client = new DwnHttpClient()\n  }\n}"],
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  "names": ["DidIonApi", "DidIonApi"]
}