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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/sdk-api/dist/src
Просмотр файла: api.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.toBitgoRequest = toBitgoRequest;
exports.handleResponseResult = handleResponseResult;
exports.handleResponseError = handleResponseError;
exports.serializeRequestData = serializeRequestData;
exports.setRequestQueryString = setRequestQueryString;
exports.verifyResponse = verifyResponse;
/**
* @prettier
*/
const debug_1 = __importDefault(require("debug"));
const eol_1 = __importDefault(require("eol"));
const lodash_1 = __importDefault(require("lodash"));
const sanitize_html_1 = __importDefault(require("sanitize-html"));
const superagent_1 = __importDefault(require("superagent"));
const url_1 = __importDefault(require("url"));
const querystring_1 = __importDefault(require("querystring"));
const sdk_core_1 = require("@bitgo/sdk-core");
const debug = (0, debug_1.default)('bitgo:api');
/**
* Add the bitgo-specific result() function on a superagent request.
*
* If the server response is successful, the `result()` function will return either the entire response body,
* or the field from the response body specified by the `optionalField` parameter if it is provided.
*
* If the server response with an error, `result()` will handle HTTP errors appropriately by
* rethrowing them as an `ApiResponseError` if possible, and otherwise rethrowing the underlying response error.
*
* @param req
*/
function toBitgoRequest(req) {
return Object.assign(req, {
result(optionalField) {
return req.then((response) => handleResponseResult(optionalField)(response), (error) => handleResponseError(error));
},
});
}
/**
* Return a function which extracts the specified response body property from the response if successful,
* otherwise throw an `ApiErrorResponse` parsed from the response body.
* @param optionalField
*/
function handleResponseResult(optionalField) {
return function (res) {
if (lodash_1.default.isNumber(res.status) && res.status >= 200 && res.status < 300) {
return (
// If there's an optional field and the body is non-nullish with that property, return it;
// otherwise return the body if available; if not, return the text; and finally fallback to the entire response.
(optionalField && res.body && res.body[optionalField] !== undefined ? res.body[optionalField] : res.body) ??
res.text ??
res);
}
throw errFromResponse(res);
};
}
/**
* Extract relevant information from a successful response (that is, a response with an HTTP status code
* between 200 and 299), but which resulted in an application specific error and use it to construct and
* throw an `ApiErrorResponse`.
*
* @param res
*/
function errFromResponse(res) {
const message = createResponseErrorString(res);
const status = res.status;
const result = res.body;
const invalidToken = lodash_1.default.has(res.header, 'x-auth-required') && res.header['x-auth-required'] === 'true';
const needsOtp = res.body?.needsOTP !== undefined;
return new sdk_core_1.ApiResponseError(message, status, result, invalidToken, needsOtp);
}
/**
* Handle an error or an error containing an HTTP response and use it to throw a well-formed error object.
*
* @param e
*/
function handleResponseError(e) {
if (e.response) {
throw errFromResponse(e.response);
}
throw e;
}
/**
* There are many ways a request can fail, and may ways information on that failure can be
* communicated to the client. This function tries to handle those cases and create a sane error string
* @param res Response from an HTTP request
*/
function createResponseErrorString(res) {
let errString = res.status.toString(); // at the very least we'll have the status code
if (res.body?.error) {
// this is the case we hope for, where the server gives us a nice error from the JSON body
errString = res.body.error;
}
else if (res.text) {
// if the response came back as text, we try to parse it as HTML and remove all tags, leaving us
// just the bare text, which we then trim of excessive newlines and limit to a certain length
try {
let sanitizedText = (0, sanitize_html_1.default)(res.text, { allowedTags: [] });
sanitizedText = sanitizedText.trim();
sanitizedText = eol_1.default.lf(sanitizedText); // use '\n' for all newlines
sanitizedText = lodash_1.default.replace(sanitizedText, /\n[ |\t]{1,}\n/g, '\n\n'); // remove the spaces/tabs between newlines
sanitizedText = lodash_1.default.replace(sanitizedText, /[\n]{3,}/g, '\n\n'); // have at most 2 consecutive newlines
sanitizedText = sanitizedText.substring(0, 5000); // prevent message from getting too large
errString = errString + '\n' + sanitizedText; // add it to our existing errString (at this point the more info the better!)
}
catch (e) {
// do nothing, the response's HTML was too wacky to be parsed cleanly
debug('got error with message "%s" while creating response error string from response: %s', e.message, res.text);
}
}
return errString;
}
/**
* Serialize request data based on the request content type
* Note: Not sure this is still needed or even useful. Consider removing.
* @param req
*/
function serializeRequestData(req) {
let data = req._data;
if (typeof data !== 'string') {
let contentType = req.get('Content-Type');
// Parse out just the content type from the header (ignore the charset)
if (contentType) {
contentType = contentType.split(';')[0];
}
let serialize = superagent_1.default.serialize[contentType];
if (!serialize && /[\/+]json\b/.test(contentType)) {
serialize = superagent_1.default.serialize['application/json'];
}
if (serialize) {
data = serialize(data);
req._data = data;
return data;
}
}
}
/**
* Set the superagent query string correctly for browsers or node.
* @param req
*/
function setRequestQueryString(req) {
const urlDetails = url_1.default.parse(req.url);
let queryString;
const query = req._query;
const qs = req.qs;
if (query && query.length > 0) {
// browser version
queryString = query.join('&');
req._query = [];
}
else if (qs) {
// node version
queryString = querystring_1.default.stringify(qs);
req.qs = null;
}
if (queryString) {
if (urlDetails.search) {
urlDetails.search += '&' + queryString;
}
else {
urlDetails.search = '?' + queryString;
}
req.url = url_1.default.format(urlDetails);
}
}
/**
* Verify that the response received from the server is signed correctly.
* Right now, it is very permissive with the timestamp variance.
*/
function verifyResponse(bitgo, token, method, req, response, authVersion) {
// we can't verify the response if we're not authenticated
if (!req.isV2Authenticated || !req.authenticationToken) {
return response;
}
const verificationResponse = bitgo.verifyResponse({
url: req.url,
hmac: response.header.hmac,
statusCode: response.status,
text: response.text,
timestamp: response.header.timestamp,
token: req.authenticationToken,
method,
authVersion,
});
if (!verificationResponse.isValid) {
// calculate the HMAC
const receivedHmac = response.header.hmac;
const expectedHmac = verificationResponse.expectedHmac;
const signatureSubject = verificationResponse.signatureSubject;
// Log only the first 10 characters of the token to ensure the full token isn't logged.
const partialBitgoToken = token ? token.substring(0, 10) : '';
const errorDetails = {
expectedHmac,
receivedHmac,
hmacInput: signatureSubject,
requestToken: req.authenticationToken,
bitgoToken: partialBitgoToken,
};
debug('Invalid response HMAC: %O', errorDetails);
throw new sdk_core_1.ApiResponseError('invalid response HMAC, possible man-in-the-middle-attack', 511, errorDetails);
}
if (bitgo.getAuthVersion() === 3 && !verificationResponse.isInResponseValidityWindow) {
const errorDetails = {
timestamp: response.header.timestamp,
verificationTime: verificationResponse.verificationTime,
};
debug('Server response outside response validity time window: %O', errorDetails);
throw new sdk_core_1.ApiResponseError('server response outside response validity time window, possible man-in-the-middle-attack', 511, errorDetails);
}
return response;
}
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* @prettier\n */\nimport Debug from 'debug';\nimport eol from 'eol';\nimport _ from 'lodash';\nimport sanitizeHtml from 'sanitize-html';\nimport superagent from 'superagent';\nimport urlLib from 'url';\nimport querystring from 'querystring';\n\nimport { ApiResponseError, BitGoRequest } from '@bitgo/sdk-core';\n\nimport { AuthVersion, VerifyResponseOptions } from './types';\nimport { BitGoAPI } from './bitgoAPI';\n\nconst debug = Debug('bitgo:api');\n\n/**\n * Add the bitgo-specific result() function on a superagent request.\n *\n * If the server response is successful, the `result()` function will return either the entire response body,\n * or the field from the response body specified by the `optionalField` parameter if it is provided.\n *\n * If the server response with an error, `result()` will handle HTTP errors appropriately by\n * rethrowing them as an `ApiResponseError` if possible, and otherwise rethrowing the underlying response error.\n *\n * @param req\n */\nexport function toBitgoRequest<ResponseResultType = any>(\n  req: superagent.SuperAgentRequest\n): BitGoRequest<ResponseResultType> {\n  return Object.assign(req, {\n    result(optionalField?: string) {\n      return req.then(\n        (response) => handleResponseResult<ResponseResultType>(optionalField)(response),\n        (error) => handleResponseError(error)\n      );\n    },\n  });\n}\n\n/**\n * Return a function which extracts the specified response body property from the response if successful,\n * otherwise throw an `ApiErrorResponse` parsed from the response body.\n * @param optionalField\n */\nexport function handleResponseResult<ResponseResultType>(\n  optionalField?: string\n): (res: superagent.Response) => ResponseResultType {\n  return function (res: superagent.Response): ResponseResultType {\n    if (_.isNumber(res.status) && res.status >= 200 && res.status < 300) {\n      return (\n        // If there's an optional field and the body is non-nullish with that property, return it;\n        // otherwise return the body if available; if not, return the text; and finally fallback to the entire response.\n        (optionalField && res.body && res.body[optionalField] !== undefined ? res.body[optionalField] : res.body) ??\n        res.text ??\n        res\n      );\n    }\n    throw errFromResponse(res);\n  };\n}\n\n/**\n * Extract relevant information from a successful response (that is, a response with an HTTP status code\n * between 200 and 299), but which resulted in an application specific error and use it to construct and\n * throw an `ApiErrorResponse`.\n *\n * @param res\n */\nfunction errFromResponse<ResponseBodyType>(res: superagent.Response): ApiResponseError {\n  const message = createResponseErrorString(res);\n  const status = res.status;\n  const result = res.body as ResponseBodyType;\n  const invalidToken = _.has(res.header, 'x-auth-required') && res.header['x-auth-required'] === 'true';\n  const needsOtp = res.body?.needsOTP !== undefined;\n  return new ApiResponseError(message, status, result, invalidToken, needsOtp);\n}\n\n/**\n * Handle an error or an error containing an HTTP response and use it to throw a well-formed error object.\n *\n * @param e\n */\nexport function handleResponseError(e: Error & { response?: superagent.Response }): never {\n  if (e.response) {\n    throw errFromResponse(e.response);\n  }\n  throw e;\n}\n\n/**\n * There are many ways a request can fail, and may ways information on that failure can be\n * communicated to the client. This function tries to handle those cases and create a sane error string\n * @param res Response from an HTTP request\n */\nfunction createResponseErrorString(res: superagent.Response): string {\n  let errString = res.status.toString(); // at the very least we'll have the status code\n  if (res.body?.error) {\n    // this is the case we hope for, where the server gives us a nice error from the JSON body\n    errString = res.body.error;\n  } else if (res.text) {\n    // if the response came back as text, we try to parse it as HTML and remove all tags, leaving us\n    // just the bare text, which we then trim of excessive newlines and limit to a certain length\n    try {\n      let sanitizedText = sanitizeHtml(res.text, { allowedTags: [] });\n      sanitizedText = sanitizedText.trim();\n      sanitizedText = eol.lf(sanitizedText); // use '\\n' for all newlines\n      sanitizedText = _.replace(sanitizedText, /\\n[ |\\t]{1,}\\n/g, '\\n\\n'); // remove the spaces/tabs between newlines\n      sanitizedText = _.replace(sanitizedText, /[\\n]{3,}/g, '\\n\\n'); // have at most 2 consecutive newlines\n      sanitizedText = sanitizedText.substring(0, 5000); // prevent message from getting too large\n      errString = errString + '\\n' + sanitizedText; // add it to our existing errString (at this point the more info the better!)\n    } catch (e) {\n      // do nothing, the response's HTML was too wacky to be parsed cleanly\n      debug('got error with message \"%s\" while creating response error string from response: %s', e.message, res.text);\n    }\n  }\n\n  return errString;\n}\n\n/**\n * Serialize request data based on the request content type\n * Note: Not sure this is still needed or even useful. Consider removing.\n * @param req\n */\nexport function serializeRequestData(req: superagent.Request): string | undefined {\n  let data: string | Record<string, unknown> = (req as any)._data;\n  if (typeof data !== 'string') {\n    let contentType = req.get('Content-Type');\n    // Parse out just the content type from the header (ignore the charset)\n    if (contentType) {\n      contentType = contentType.split(';')[0];\n    }\n    let serialize = superagent.serialize[contentType];\n    if (!serialize && /[\\/+]json\\b/.test(contentType)) {\n      serialize = superagent.serialize['application/json'];\n    }\n    if (serialize) {\n      data = serialize(data);\n      (req as any)._data = data;\n      return data;\n    }\n  }\n}\n\n/**\n * Set the superagent query string correctly for browsers or node.\n * @param req\n */\nexport function setRequestQueryString(req: superagent.SuperAgentRequest): void {\n  const urlDetails = urlLib.parse(req.url);\n\n  let queryString: string | undefined;\n  const query: string[] = (req as any)._query;\n  const qs: { [key: string]: string } = (req as any).qs;\n  if (query && query.length > 0) {\n    // browser version\n    queryString = query.join('&');\n    (req as any)._query = [];\n  } else if (qs) {\n    // node version\n    queryString = querystring.stringify(qs);\n    (req as any).qs = null;\n  }\n\n  if (queryString) {\n    if (urlDetails.search) {\n      urlDetails.search += '&' + queryString;\n    } else {\n      urlDetails.search = '?' + queryString;\n    }\n    req.url = urlLib.format(urlDetails);\n  }\n}\n\n/**\n * Verify that the response received from the server is signed correctly.\n * Right now, it is very permissive with the timestamp variance.\n */\nexport function verifyResponse(\n  bitgo: BitGoAPI,\n  token: string | undefined,\n  method: VerifyResponseOptions['method'],\n  req: superagent.SuperAgentRequest,\n  response: superagent.Response,\n  authVersion: AuthVersion\n): superagent.Response {\n  // we can't verify the response if we're not authenticated\n  if (!req.isV2Authenticated || !req.authenticationToken) {\n    return response;\n  }\n\n  const verificationResponse = bitgo.verifyResponse({\n    url: req.url,\n    hmac: response.header.hmac,\n    statusCode: response.status,\n    text: response.text,\n    timestamp: response.header.timestamp,\n    token: req.authenticationToken,\n    method,\n    authVersion,\n  });\n\n  if (!verificationResponse.isValid) {\n    // calculate the HMAC\n    const receivedHmac = response.header.hmac;\n    const expectedHmac = verificationResponse.expectedHmac;\n    const signatureSubject = verificationResponse.signatureSubject;\n    // Log only the first 10 characters of the token to ensure the full token isn't logged.\n    const partialBitgoToken = token ? token.substring(0, 10) : '';\n    const errorDetails = {\n      expectedHmac,\n      receivedHmac,\n      hmacInput: signatureSubject,\n      requestToken: req.authenticationToken,\n      bitgoToken: partialBitgoToken,\n    };\n    debug('Invalid response HMAC: %O', errorDetails);\n    throw new ApiResponseError('invalid response HMAC, possible man-in-the-middle-attack', 511, errorDetails);\n  }\n\n  if (bitgo.getAuthVersion() === 3 && !verificationResponse.isInResponseValidityWindow) {\n    const errorDetails = {\n      timestamp: response.header.timestamp,\n      verificationTime: verificationResponse.verificationTime,\n    };\n    debug('Server response outside response validity time window: %O', errorDetails);\n    throw new ApiResponseError(\n      'server response outside response validity time window, possible man-in-the-middle-attack',\n      511,\n      errorDetails\n    );\n  }\n  return response;\n}\n"]}Выполнить команду
Для локальной разработки. Не используйте в интернете!