UNPKG

22.2 kBJavaScriptView Raw
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4 value: true
5});
6exports.httpReq = httpReq;
7exports.httpReq2 = httpReq2;
8
9var _request = _interopRequireDefault(require("request"));
10
11var _lodash = _interopRequireDefault(require("lodash"));
12
13var _asyncUtils = require("./asyncUtils");
14
15var _errorUtils = require("./errorUtils");
16
17function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
18
19const promisifiedRequest = async options => await new Promise((resp, rej) => (0, _request.default)(options, (err, data) => err ? rej(err) : resp(data)));
20
21const DEFAULT_REQ_HEADERS = {};
22const DEFAULT_REQ_REJECT_UNAUTHORIZED = true;
23
24async function httpReq(url, options = {}) {
25 let body = null;
26
27 try {
28 options = options || {};
29 options.url = url;
30 options.method = options.method ? options.method.toUpperCase() : 'GET';
31 options.timeout = typeof options.timeout !== 'undefined' ? options.timeout : 5000;
32 options.headers = options.headers || DEFAULT_REQ_HEADERS;
33 options.body = typeof options.body === 'string' ? options.body : JSON.stringify(options.body);
34 options.rejectUnauthorized = typeof options.rejectUnauthorized !== 'undefined' ? options.rejectUnauthorized : DEFAULT_REQ_REJECT_UNAUTHORIZED;
35 options.maxRetries = options.maxRetries || 0;
36 options.expoBackoffMs = options.expoBackoffMs || 100;
37 return await (0, _asyncUtils.asyncRetry)(async triesExecuted => {
38 body = null;
39 const resp = await promisifiedRequest(options);
40
41 if (options.parseJsonResponse === true) {
42 try {
43 body = resp.body;
44 resp.bodyObj = JSON.parse(resp.body);
45 resp.triesExecuted = triesExecuted;
46 } catch (err) {
47 // NOTE: don't change this string without searching the code for it
48 throw new _errorUtils.ExtendedError('Failed to parse HTTP response as JSON', {
49 url: url,
50 bodyStart: resp.body.substr(0, 1000)
51 });
52 }
53 }
54
55 return resp;
56 }, {
57 opName: `${options.url}`,
58 maxRetries: options.maxRetries,
59 expoBackoffMs: options.expoBackoffMs,
60 asyncErrorHandler: options.asyncErrorHandler
61 });
62 } catch (err) {
63 throw new _errorUtils.ExtendedError('HTTP request failed', {
64 url,
65 err,
66 body
67 });
68 }
69}
70
71async function httpReq2(url, options = {}) {
72 let body = null;
73
74 try {
75 options = options || {};
76 options.url = url;
77 options.method = options.method ? options.method.toUpperCase() : 'GET';
78 options.timeout = typeof options.timeout !== 'undefined' ? options.timeout : 5000;
79 options.headers = options.headers || DEFAULT_REQ_HEADERS;
80 options.body = typeof options.body === 'string' ? options.body : JSON.stringify(options.body);
81 options.rejectUnauthorized = typeof options.rejectUnauthorized !== 'undefined' ? options.rejectUnauthorized : DEFAULT_REQ_REJECT_UNAUTHORIZED;
82 options.resultHandlers = options.resultHandlers ? _lodash.default.clone(options.resultHandlers) : options.resultHandlers;
83 let triesLeft = 1;
84 let triesExecuted = 0;
85 let resp = null;
86 let error = null;
87
88 while (triesLeft > 0) {
89 try {
90 triesExecuted++;
91 triesLeft--;
92 resp = await promisifiedRequest(options);
93 } catch (err) {
94 error = err;
95 }
96
97 if (options.resultHandlers) {
98 for (const resultHandler of options.resultHandlers) {
99 if (resultHandler.onStatus == null && resultHandler.onError == null || resp && typeof resultHandler.onStatus === 'number' && resultHandler.onStatus === resp.statusCode || resp && resultHandler.onStatus && typeof resultHandler.onStatus.test === 'function' && // $FlowIgnore
100 resultHandler.onStatus.test(resp.statusCode.toString()) || error && resultHandler.onError && typeof resultHandler.onError.test === 'function' && resultHandler.onError.test(error.message)) {
101 if (resultHandler.retry != null) {
102 if (resultHandler.retry > 0) {
103 triesLeft++;
104 resultHandler.retry--; // $FlowIgnore
105
106 resultHandler.nextBackoffMs = resultHandler.nextBackoffMs == null ? 100 : resultHandler.nextBackoffMs;
107 await (0, _asyncUtils.sleep)(resultHandler.nextBackoffMs); // $FlowIgnore
108
109 resultHandler.nextBackoffMs *= 1.5;
110 error = undefined;
111 resp = undefined;
112 }
113 } else if (resultHandler.throw != null) {
114 throw resultHandler.throw;
115 } else if (resultHandler.return != null) {
116 return resultHandler.return;
117 } else {
118 throw new _errorUtils.ExtendedError('Invalid result handler in httpReq', resultHandler);
119 }
120 }
121 }
122 }
123 }
124
125 if (resp) {
126 if (options.parseJsonResponse === true) {
127 try {
128 body = resp.body;
129 resp.bodyObj = JSON.parse(resp.body);
130 resp.triesExecuted = triesExecuted;
131 } catch (err) {
132 // NOTE: don't change this string without searching the code for it
133 throw new _errorUtils.ExtendedError('Failed to parse HTTP response as JSON', {
134 url: url,
135 bodyStart: resp.body.substr(0, 1000)
136 });
137 }
138 }
139
140 return resp;
141 }
142
143 throw error;
144 } catch (err) {
145 throw new _errorUtils.ExtendedError('HTTP request failed', {
146 url,
147 err,
148 body
149 });
150 }
151}
152//# 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@flow\n\nimport request from 'request'\nimport _ from 'lodash'\n\nimport { asyncRetry, sleep } from './asyncUtils'\nimport { ExtendedError } from './errorUtils'\n\nconst promisifiedRequest = async (options: Object) => await new Promise((resp, rej) => request(options, (err, data) => err ? rej(err) : resp(data)))\n\nconst DEFAULT_REQ_HEADERS = {}\nconst DEFAULT_REQ_REJECT_UNAUTHORIZED = true\n\nexport type HttpReqResponse = {|\n  bodyObj: ?Object, \n  body: string, \n  statusCode: number, \n  triesExecuted: number,\n|}\n\nexport type HttpReqOptions = {\n  url?: ?string,\n  method?: string,\n  timeout?: ?number,\n  headers?: { [id: string]: string },\n  body?: ?string | Object,\n  maxRetries?: number,\n  expoBackoffMs?: ?number,\n  asyncErrorHandler?: ?(Object) => Promise<void>,\n  rejectUnauthorized?: boolean,\n  trackingName?: ?string,\n  parseJsonResponse?: ?boolean,\n}\n\nexport async function httpReq(url: string, options: HttpReqOptions = {}): Promise<HttpReqResponse> {\n  let body: ?string = null\n  try {\n    options = options || {}\n    options.url = url\n    options.method = options.method ? options.method.toUpperCase() : 'GET'\n    options.timeout = typeof options.timeout !== 'undefined' ? options.timeout : 5000\n    options.headers = options.headers || DEFAULT_REQ_HEADERS\n    options.body = typeof options.body === 'string' ? options.body : JSON.stringify(options.body)\n    options.rejectUnauthorized = typeof options.rejectUnauthorized !== 'undefined' ? options.rejectUnauthorized : DEFAULT_REQ_REJECT_UNAUTHORIZED\n\n    options.maxRetries = options.maxRetries || 0\n    options.expoBackoffMs = options.expoBackoffMs || 100\n\n    return await asyncRetry(async (triesExecuted) => {\n      body = null\n      const resp = await promisifiedRequest(options)\n      if (options.parseJsonResponse === true) {\n        try {\n          body = resp.body\n          resp.bodyObj = JSON.parse(resp.body)\n          resp.triesExecuted = triesExecuted\n        } catch (err) {\n          // NOTE: don't change this string without searching the code for it\n          throw new ExtendedError('Failed to parse HTTP response as JSON', { url: url, bodyStart: resp.body.substr(0, 1000) })\n        } \n      }\n      return resp\n    }, {\n      opName: `${options.url}`,\n      maxRetries: options.maxRetries,\n      expoBackoffMs: options.expoBackoffMs,\n      asyncErrorHandler: options.asyncErrorHandler,\n    })\n  } catch (err) {\n    throw new ExtendedError('HTTP request failed', { url, err, body })\n  }\n}\n\n\ntype ResultHandlerTrigger = {|\n  onError: RegExp,\n|} | {|\n  onStatus: number | RegExp,\n|} | {||}\ntype ResultHandlerAction = {|\n  retry: number,\n  nextBackoffMs?: ?number,\n|} | {|\n  throw: Error,\n|} | {|\n  return: HttpReqResponse,\n|}\ntype ResultHandler = {|\n  ...ResultHandlerTrigger,\n  ...ResultHandlerAction,\n|}\n\nexport type HttpReqOptions2 = {\n  url?: ?string,\n  method?: string,\n  timeout?: ?number,\n  headers?: { [id: string]: string },\n  body?: ?string | Object,\n  maxRetries?: number,\n  rejectUnauthorized?: boolean,\n  trackingName?: ?string,\n  parseJsonResponse?: ?boolean,\n  resultHandlers?: ?Array<ResultHandler>\n}\n\nexport async function httpReq2(url: string, options: HttpReqOptions2 = {}): Promise<HttpReqResponse> {\n  let body: ?string = null\n  try {\n    options = options || {}\n    options.url = url\n    options.method = options.method ? options.method.toUpperCase() : 'GET'\n    options.timeout = typeof options.timeout !== 'undefined' ? options.timeout : 5000\n    options.headers = options.headers || DEFAULT_REQ_HEADERS\n    options.body = typeof options.body === 'string' ? options.body : JSON.stringify(options.body)\n    options.rejectUnauthorized = typeof options.rejectUnauthorized !== 'undefined' ? options.rejectUnauthorized : DEFAULT_REQ_REJECT_UNAUTHORIZED\n    options.resultHandlers = options.resultHandlers ? _.clone(options.resultHandlers) : options.resultHandlers\n\n    let triesLeft = 1\n    let triesExecuted = 0\n\n    let resp: ?HttpReqResponse = null\n    let error: ?Error = null\n\n    while (triesLeft > 0) {\n\n      try {\n        triesExecuted++\n        triesLeft--\n        resp = await promisifiedRequest(options)\n      } catch (err) {\n        error = err\n      }\n      \n      if (options.resultHandlers) {\n        for (const resultHandler of options.resultHandlers) {\n          if (\n            (\n              resultHandler.onStatus == null && \n              resultHandler.onError == null\n            ) || (\n              resp && \n              typeof resultHandler.onStatus === 'number' &&\n              resultHandler.onStatus === resp.statusCode\n            ) || (\n              resp && \n              resultHandler.onStatus && \n              typeof resultHandler.onStatus.test === 'function' && \n              // $FlowIgnore\n              resultHandler.onStatus.test(resp.statusCode.toString())\n            ) || (\n              error && \n              resultHandler.onError && \n              typeof resultHandler.onError.test === 'function' && \n              resultHandler.onError.test(error.message)\n            )\n          ) {\n            if (resultHandler.retry != null) {\n              if (resultHandler.retry > 0) {\n                triesLeft++\n                resultHandler.retry--\n                // $FlowIgnore\n                resultHandler.nextBackoffMs = resultHandler.nextBackoffMs == null ? 100 : resultHandler.nextBackoffMs\n                await sleep(resultHandler.nextBackoffMs)\n                // $FlowIgnore\n                resultHandler.nextBackoffMs *= 1.5\n\n                error = undefined\n                resp = undefined\n              }\n            } else if (resultHandler.throw != null) {\n              throw resultHandler.throw\n            } else if (resultHandler.return != null) {\n              return resultHandler.return\n            } else {\n              throw new ExtendedError('Invalid result handler in httpReq', resultHandler)\n            }\n          }\n        }\n      }\n    }\n\n    if (resp) {\n      if (options.parseJsonResponse === true) {\n        try {\n          body = resp.body\n          resp.bodyObj = JSON.parse(resp.body)\n          resp.triesExecuted = triesExecuted\n        } catch (err) {\n          // NOTE: don't change this string without searching the code for it\n          throw new ExtendedError('Failed to parse HTTP response as JSON', { url: url, bodyStart: resp.body.substr(0, 1000) })\n        }\n      }\n      return resp\n    }\n\n    throw error\n\n  } catch (err) {\n    throw new ExtendedError('HTTP request failed', { url, err, body })\n  }\n}"]}
\No newline at end of file