@randombits/use-siwe/dist/next/index.cjs.map

React hook and API endpoints that provide Sign In With Ethereum support

{"version":3,"sources":["../../src/next/index.ts","../../src/api.ts","../../src/types.ts"],"sourcesContent":["import type { NextApiRequest, NextApiResponse } from \"next\";\nimport { getSession, methodNotAllowed, notFound, signIn, signOut } from \"../api.js\";\n\nexport const siweApi = () => async (req: NextApiRequest, res: NextApiResponse) => {\n  let { route } = req.query;\n  if (route instanceof Array) route = route[0];\n  const { method } = req;\n\n  switch (route) {\n    case undefined:\n      switch (method) {\n        case \"GET\":\n          return getSession(req, res);\n        default:\n          return methodNotAllowed(req, res);\n      }\n\n    case \"signin\":\n      switch (method) {\n        case \"POST\":\n          return signIn(req, res);\n        default:\n          return methodNotAllowed(req, res);\n      }\n\n    case \"signout\":\n      switch (method) {\n        case \"POST\":\n          return signOut(req, res);\n        default:\n          return methodNotAllowed(req, res);\n      }\n\n    default:\n      return notFound(req, res);\n  }\n};\n","import type { IncomingMessage, ServerResponse } from 'http';\nimport { generateNonce, SiweMessage } from 'siwe';\nimport { fromZodError } from 'zod-validation-error';\nimport { GetSessionResponse, signInRequestSchema, SignInResponse, SignOutResponse } from './types.js';\n\ninterface Request extends IncomingMessage {\n  body: any;\n}\n\ninterface Response<T = any> extends ServerResponse {\n  json: (body: T) => void;\n  send: (body: T) => void;\n  status: (statusCode: number) => Response;\n}\n\ntype RequestHandler<T = any> = (req: Request, res: Response<T>) => void;\n\nexport const getSession: RequestHandler<GetSessionResponse> = async (req, res) => {\n  if (req.session.address) {\n    return res.json({\n      authenticated: true,\n      address: req.session.address,\n    });\n  }\n\n  if (!req.session.nonce) {\n    req.session.nonce = generateNonce();\n    await req.session.save();\n  }\n\n  return res.json({\n    authenticated: false,\n    nonce: req.session.nonce,\n  });\n};\n\nexport const signIn: RequestHandler<SignInResponse> = async (req, res) => {\n  const { nonce } = req.session;\n  if (!nonce) return res.status(400).send(\"Bad Request\");\n\n  const parsedBody = signInRequestSchema.safeParse(req.body);\n  if (!parsedBody.success) {\n    const error = fromZodError(parsedBody.error);\n    return res.status(400).send(error.message);\n  }\n  const { message, signature } = parsedBody.data;\n\n  const { success, error, data } = await new SiweMessage(message).verify({\n    signature,\n    nonce,\n    // domain, // TODO: verify domain is correct too\n  });\n\n  if (!success && error) return res.status(400).send(error.type);\n  if (!success) return res.status(500).send(\"Unknown Error\");\n\n  req.session.nonce = undefined;\n  req.session.address = data.address;\n  await req.session.save();\n\n  return res.send(\"OK\");\n};\n\nexport const signOut: RequestHandler<SignOutResponse> = async (req, res) => {\n  if (!req.session.address) return res.status(400).send(\"Bad Request\");\n\n  req.session.nonce = generateNonce();\n  req.session.address = undefined;\n  await req.session.save();\n\n  return res.send(\"OK\");\n};\n\nexport const methodNotAllowed: RequestHandler = (_req, res) =>\n  res.status(403).send(\"Method Not Allowed\");\n\nexport const notFound: RequestHandler = (_req, res) =>\n  res.status(404).send(\"Not Found\");\n","import \"iron-session\";\nimport { z } from \"zod\";\n\ndeclare module \"iron-session\" {\n  interface IronSessionData {\n    address?: string | undefined;\n    nonce?: string | undefined;\n  }\n}\n\nconst siweMessageSchema = z.object({\n  domain: z.string(),\n  address: z.string(),\n  statement: z.string().optional(),\n  uri: z.string(),\n  version: z.string(),\n  chainId: z.number(),\n  nonce: z.string(),\n  issuedAt: z.string().optional(),\n  expirationTime: z.string().optional(),\n  notBefore: z.string().optional(),\n  requestId: z.string().optional(),\n  resources: z.array(z.string()).optional(),\n});\n\nexport const signInRequestSchema = z.object({\n  message: siweMessageSchema,\n  signature: z.string(),\n});\n\nexport type GetSessionResponse = {\n  authenticated: boolean,\n  address?: string,\n  nonce?: string\n};\n\nexport type SignInRequest = z.infer<typeof signInRequestSchema>;\n\nexport type SignInResponse = string;\n\nexport type SignOutResponse = string;\n\nexport type UseSiweOptions = {\n  baseUrl?: 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