2018-06-19 01:39:19 +00:00
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'use strict';
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var http = require('http');
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var https = require('https');
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var url = require('url');
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function debug() {
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2019-10-29 20:31:30 +00:00
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if (module.exports.debug) {
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console.log.apply(console, arguments);
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}
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2018-06-19 01:39:19 +00:00
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}
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function mergeOrDelete(defaults, updates) {
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2019-10-29 20:31:30 +00:00
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Object.keys(defaults).forEach(function(key) {
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if (!(key in updates)) {
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updates[key] = defaults[key];
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return;
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}
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2018-06-19 01:39:19 +00:00
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2019-10-29 20:31:30 +00:00
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// neither accept the prior default nor define an explicit value
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// CRDT probs...
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if ('undefined' === typeof updates[key]) {
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delete updates[key];
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} else if (
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'object' === typeof defaults[key] &&
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'object' === typeof updates[key]
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) {
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updates[key] = mergeOrDelete(defaults[key], updates[key]);
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}
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});
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2018-06-19 01:39:19 +00:00
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2019-10-29 20:31:30 +00:00
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return updates;
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2018-06-19 01:39:19 +00:00
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}
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2018-07-12 09:12:49 +00:00
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// retrieves an existing header, case-sensitive
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2018-07-08 01:46:21 +00:00
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function getHeaderName(reqOpts, header) {
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2019-10-29 20:31:30 +00:00
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var headerNames = {};
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Object.keys(reqOpts.headers).forEach(function(casedName) {
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headerNames[casedName.toLowerCase()] = casedName;
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});
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// returns the key, which in erroneous cases could be an empty string
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return headerNames[header.toLowerCase()];
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2018-06-20 08:11:37 +00:00
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}
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2018-07-12 09:12:49 +00:00
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// returns whether or not a header exists, case-insensitive
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2018-07-08 01:46:21 +00:00
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function hasHeader(reqOpts, header) {
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2019-10-29 20:31:30 +00:00
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return 'undefined' !== typeof getHeaderName(reqOpts, header);
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2018-07-08 01:46:21 +00:00
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}
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2018-06-20 08:11:37 +00:00
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2018-06-19 06:17:04 +00:00
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function toJSONifier(keys) {
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2019-10-29 20:31:30 +00:00
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return function() {
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var obj = {};
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var me = this;
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keys.forEach(function(key) {
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if (me[key] && 'function' === typeof me[key].toJSON) {
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obj[key] = me[key].toJSON();
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} else {
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obj[key] = me[key];
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}
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});
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2018-06-19 07:09:18 +00:00
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2019-10-29 20:31:30 +00:00
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return obj;
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};
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2018-06-19 06:17:04 +00:00
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}
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2018-06-19 01:39:19 +00:00
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function setDefaults(defs) {
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2019-10-29 20:31:30 +00:00
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defs = defs || {};
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2018-06-19 01:39:19 +00:00
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2019-10-29 20:31:30 +00:00
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function urequestHelper(opts, cb) {
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debug('\n[urequest] processed options:');
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debug(opts);
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2018-06-19 06:17:04 +00:00
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2019-10-29 20:57:28 +00:00
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var req;
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var finalOpts = {};
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2019-10-29 20:31:30 +00:00
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function onResponse(resp) {
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var followRedirect;
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2018-06-19 06:17:04 +00:00
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2019-10-29 20:31:30 +00:00
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Object.keys(defs).forEach(function(key) {
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if (key in opts && 'undefined' !== typeof opts[key]) {
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return;
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}
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opts[key] = defs[key];
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});
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followRedirect = opts.followRedirect;
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resp.toJSON = toJSONifier([
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'statusCode',
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'body',
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'headers',
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'request'
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]);
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resp.request = req;
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resp.request.uri = url.parse(opts.url);
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//resp.request.method = opts.method;
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resp.request.headers = finalOpts.headers;
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resp.request.toJSON = toJSONifier(['uri', 'method', 'headers']);
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2019-10-29 20:57:28 +00:00
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if (opts.debug) {
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console.debug('[@root/request] Response Headers:');
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console.debug(resp.toJSON());
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}
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2019-10-29 20:31:30 +00:00
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if (
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followRedirect &&
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resp.headers.location &&
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-1 !== [301, 302, 307, 308].indexOf(resp.statusCode)
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) {
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debug('Following redirect: ' + resp.headers.location);
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if ('GET' !== opts.method && !opts.followAllRedirects) {
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followRedirect = false;
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}
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if (opts._redirectCount >= opts.maxRedirects) {
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followRedirect = false;
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}
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if ('function' === opts.followRedirect) {
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if (!opts.followRedirect(resp)) {
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followRedirect = false;
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}
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}
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if (followRedirect) {
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if (!opts.followOriginalHttpMethod) {
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opts.method = 'GET';
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opts.body = null;
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delete opts.headers[
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getHeaderName(opts, 'Content-Length')
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];
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delete opts.headers[
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getHeaderName(opts, 'Transfer-Encoding')
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];
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}
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if (opts.removeRefererHeader && opts.headers) {
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delete opts.headers.referer;
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}
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// TODO needs baseUrl, maybe test for host / socketPath?
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opts.url = resp.headers.location;
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opts.uri = url.parse(opts.url);
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return urequestHelper(opts, cb);
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}
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}
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if (null === opts.encoding) {
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resp._body = [];
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} else {
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resp.body = '';
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}
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resp._bodyLength = 0;
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resp.on('data', function(chunk) {
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if ('string' === typeof resp.body) {
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resp.body += chunk.toString(opts.encoding);
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} else {
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resp._body.push(chunk);
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resp._bodyLength += chunk.length;
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}
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});
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resp.on('end', function() {
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if ('string' !== typeof resp.body) {
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if (1 === resp._body.length) {
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resp.body = resp._body[0];
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} else {
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resp.body = Buffer.concat(resp._body, resp._bodyLength);
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}
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resp._body = null;
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}
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if (opts.json && 'string' === typeof resp.body) {
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// TODO I would parse based on Content-Type
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// but request.js doesn't do that.
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try {
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resp.body = JSON.parse(resp.body);
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} catch (e) {
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// ignore
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}
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}
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debug('\n[urequest] resp.toJSON():');
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debug(resp.toJSON());
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2019-10-29 20:57:28 +00:00
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if (opts.debug) {
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console.debug('[@root/request] Response Body:');
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console.debug(resp.body);
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}
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2019-10-29 20:31:30 +00:00
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cb(null, resp, resp.body);
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});
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2018-06-19 01:39:19 +00:00
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}
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2019-10-29 20:31:30 +00:00
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var _body;
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var MyFormData;
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var form;
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var formHeaders;
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var requester;
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if (opts.body) {
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if (true === opts.json) {
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_body = JSON.stringify(opts.body);
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} else {
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_body = opts.body;
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}
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} else if (opts.json && true !== opts.json) {
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_body = JSON.stringify(opts.json);
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} else if (opts.form) {
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_body = Object.keys(opts.form)
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.filter(function(key) {
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if ('undefined' !== typeof opts.form[key]) {
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return true;
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}
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})
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.map(function(key) {
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return (
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encodeURIComponent(key) +
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'=' +
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encodeURIComponent(String(opts.form[key]))
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);
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})
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.join('&');
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opts.headers['Content-Type'] = 'application/x-www-form-urlencoded';
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2018-06-19 01:39:19 +00:00
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}
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2019-10-29 20:31:30 +00:00
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if ('string' === typeof _body) {
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_body = Buffer.from(_body);
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2018-06-19 01:39:19 +00:00
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}
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2019-10-29 20:31:30 +00:00
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Object.keys(opts.uri).forEach(function(key) {
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finalOpts[key] = opts.uri[key];
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});
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// A bug should be raised if request does it differently,
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// but I think we're supposed to pass all acceptable options
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// on to the raw http request
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[
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'family',
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'host',
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'localAddress',
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'agent',
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'createConnection',
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'timeout',
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'setHost'
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].forEach(function(key) {
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finalOpts[key] = opts.uri[key];
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});
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finalOpts.method = opts.method;
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finalOpts.headers = JSON.parse(JSON.stringify(opts.headers));
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if (_body) {
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// Most APIs expect (or require) Content-Length except in the case of multipart uploads
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// Transfer-Encoding: Chunked (the default) is generally only well-supported downstream
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finalOpts.headers['Content-Length'] =
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_body.byteLength || _body.length;
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2018-06-19 01:39:19 +00:00
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}
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2019-10-29 20:31:30 +00:00
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if (opts.auth) {
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// if opts.uri specifies auth it will be parsed by url.parse and passed directly to the http module
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if ('string' !== typeof opts.auth) {
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opts.auth =
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(opts.auth.user || opts.auth.username || '') +
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':' +
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(opts.auth.pass || opts.auth.password || '');
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}
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if ('string' === typeof opts.auth) {
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finalOpts.auth = opts.auth;
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}
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if (false === opts.sendImmediately) {
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console.warn(
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'[Warn] setting `sendImmediately: false` is not yet supported. Please open an issue if this is an important feature that you need.'
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);
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}
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if (opts.bearer) {
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// having a shortcut for base64 encoding makes sense, but this? Eh, whatevs...
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finalOpts.header.Authorization = 'Bearer: ' + opts.bearer;
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}
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2018-06-19 01:39:19 +00:00
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}
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2019-10-29 20:31:30 +00:00
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if (opts.formData) {
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try {
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MyFormData = opts.FormData || require('form-data');
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// potential options https://github.com/felixge/node-combined-stream/blob/master/lib/combined_stream.js#L7-L15
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} catch (e) {
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console.error(
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'urequest does not include extra dependencies by default'
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);
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console.error(
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"if you need to use 'form-data' you may install it, like so:"
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);
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console.error(' npm install --save form-data');
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cb(e);
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return;
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}
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try {
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form = new MyFormData();
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Object.keys(opts.formData).forEach(function(key) {
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function add(key, data, opts) {
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if (data.value) {
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opts = data.options;
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data = data.value;
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}
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form.append(key, data, opts);
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}
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if (Array.isArray(opts.formData[key])) {
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opts.formData[key].forEach(function(data) {
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add(key, data);
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});
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} else {
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add(key, opts.formData[key]);
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}
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});
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} catch (e) {
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cb(e);
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return;
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}
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formHeaders = form.getHeaders();
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Object.keys(formHeaders).forEach(function(header) {
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finalOpts.headers[header] = formHeaders[header];
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});
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2018-06-19 01:39:19 +00:00
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}
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2018-06-19 07:09:18 +00:00
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2019-10-29 20:31:30 +00:00
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// TODO support unix sockets
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if ('https:' === finalOpts.protocol) {
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// https://nodejs.org/api/https.html#https_https_request_options_callback
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debug('\n[urequest] https.request(opts):');
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debug(finalOpts);
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requester = https;
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} else if ('http:' === finalOpts.protocol) {
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// https://nodejs.org/api/http.html#http_http_request_options_callback
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debug('\n[urequest] http.request(opts):');
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debug(finalOpts);
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requester = http;
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} else {
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cb(new Error("unknown protocol: '" + opts.uri.protocol + "'"));
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return;
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2018-07-07 02:20:14 +00:00
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}
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2018-06-19 06:17:04 +00:00
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2019-10-29 20:31:30 +00:00
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if (form) {
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debug("\n[urequest] '" + finalOpts.method + "' (request) form");
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debug(formHeaders);
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// generally uploads don't use Chunked Encoding (some systems have issues with it)
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// and I don't want to do the work to calculate the content-lengths. This seems to work.
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req = form.submit(finalOpts, function(err, resp) {
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if (err) {
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cb(err);
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return;
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}
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onResponse(resp);
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resp.resume();
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2018-07-07 02:20:14 +00:00
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});
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2019-10-29 20:31:30 +00:00
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//req = requester.request(finalOpts, onResponse);
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//req.on('error', cb);
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//form.pipe(req);
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return;
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}
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2018-06-19 06:17:04 +00:00
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2019-10-29 20:42:26 +00:00
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if (opts.debug) {
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2019-10-29 20:57:28 +00:00
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console.debug('');
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console.debug('[@root/request] Request Options:');
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2019-10-29 20:42:26 +00:00
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console.debug(finalOpts);
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2019-10-29 20:57:28 +00:00
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if (_body) {
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|
console.debug('[@root/request] Request Body:');
|
|
|
|
console.debug(
|
|
|
|
opts.body || opts.form || opts.formData || opts.json
|
|
|
|
);
|
|
|
|
}
|
2019-10-29 20:42:26 +00:00
|
|
|
}
|
2019-10-29 20:31:30 +00:00
|
|
|
req = requester.request(finalOpts, onResponse);
|
|
|
|
req.on('error', cb);
|
2018-06-19 06:17:04 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
if (_body) {
|
|
|
|
debug("\n[urequest] '" + finalOpts.method + "' (request) body");
|
|
|
|
debug(_body);
|
|
|
|
// used for chunked encoding
|
|
|
|
//req.write(_body);
|
|
|
|
// used for known content-length
|
|
|
|
req.end(_body);
|
|
|
|
} else {
|
|
|
|
req.end();
|
|
|
|
}
|
2018-07-07 01:38:47 +00:00
|
|
|
}
|
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
function parseUrl(str) {
|
|
|
|
var obj = url.parse(str);
|
|
|
|
var paths;
|
|
|
|
if ('unix' !== (obj.hostname || obj.host || '').toLowerCase()) {
|
|
|
|
return obj;
|
|
|
|
}
|
2018-06-19 06:17:04 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
obj.href = null;
|
|
|
|
obj.hostname = obj.host = null;
|
2018-06-29 08:20:07 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
paths = (obj.pathname || obj.path || '').split(':');
|
2018-06-29 08:20:07 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
obj.socketPath = paths.shift();
|
|
|
|
obj.pathname = obj.path = paths.join(':');
|
2018-06-29 08:20:07 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
return obj;
|
|
|
|
}
|
2018-06-29 08:20:07 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
function urequest(opts, cb) {
|
|
|
|
debug('\n[urequest] received options:');
|
|
|
|
debug(opts);
|
|
|
|
var reqOpts = {};
|
|
|
|
// request.js behavior:
|
|
|
|
// encoding: null + json ? unknown
|
|
|
|
// json => attempt to parse, fail silently
|
|
|
|
// encoding => buffer.toString(encoding)
|
|
|
|
// null === encoding => Buffer.concat(buffers)
|
|
|
|
if ('string' === typeof opts) {
|
|
|
|
opts = { url: opts };
|
|
|
|
}
|
2018-06-29 08:18:44 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
module.exports._keys.forEach(function(key) {
|
|
|
|
if (key in opts && 'undefined' !== typeof opts[key]) {
|
|
|
|
reqOpts[key] = opts[key];
|
|
|
|
} else if (key in defs) {
|
|
|
|
reqOpts[key] = defs[key];
|
|
|
|
}
|
|
|
|
});
|
2018-06-20 08:11:37 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
// TODO url.resolve(defs.baseUrl, opts.url);
|
|
|
|
if ('string' === typeof opts.url || 'string' === typeof opts.uri) {
|
|
|
|
if ('string' === typeof opts.url) {
|
|
|
|
reqOpts.url = opts.url;
|
|
|
|
reqOpts.uri = parseUrl(opts.url);
|
|
|
|
} else if ('string' === typeof opts.uri) {
|
|
|
|
reqOpts.url = opts.uri;
|
|
|
|
reqOpts.uri = parseUrl(opts.uri);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if ('object' === typeof opts.uri) {
|
|
|
|
reqOpts.url = url.format(opts.uri);
|
|
|
|
reqOpts.uri = opts.uri;
|
|
|
|
//reqOpts.uri = url.parse(reqOpts.uri);
|
|
|
|
} else if ('object' === typeof opts.url) {
|
|
|
|
reqOpts.url = url.format(opts.url);
|
|
|
|
reqOpts.uri = opts.url;
|
|
|
|
//reqOpts.uri = url.parse(reqOpts.url);
|
|
|
|
}
|
|
|
|
}
|
2018-06-20 08:11:37 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
if (
|
|
|
|
opts.body ||
|
2019-10-29 20:42:26 +00:00
|
|
|
(opts.json && true !== opts.json) ||
|
2019-10-29 20:31:30 +00:00
|
|
|
opts.form ||
|
|
|
|
opts.formData
|
|
|
|
) {
|
|
|
|
// TODO this is probably a deviation from request's API
|
|
|
|
// need to check and probably eliminate it
|
|
|
|
reqOpts.method = (reqOpts.method || 'POST').toUpperCase();
|
|
|
|
} else {
|
|
|
|
reqOpts.method = (reqOpts.method || 'GET').toUpperCase();
|
|
|
|
}
|
|
|
|
if (!reqOpts.headers) {
|
|
|
|
reqOpts.headers = {};
|
|
|
|
}
|
2018-06-19 06:17:04 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
// crazy case for easier testing
|
|
|
|
if (!hasHeader(reqOpts, 'CoNTeNT-TyPe')) {
|
|
|
|
if (
|
|
|
|
(true === reqOpts.json && reqOpts.body) ||
|
|
|
|
(true !== reqOpts.json && reqOpts.json)
|
|
|
|
) {
|
|
|
|
reqOpts.headers['Content-Type'] = 'application/json';
|
|
|
|
}
|
|
|
|
}
|
2018-06-20 08:11:37 +00:00
|
|
|
|
2019-10-29 20:42:26 +00:00
|
|
|
if (opts.debug) {
|
|
|
|
reqOpts.debug = opts.debug;
|
|
|
|
}
|
2019-10-29 20:31:30 +00:00
|
|
|
return urequestHelper(reqOpts, cb);
|
2018-06-20 08:11:37 +00:00
|
|
|
}
|
2018-06-19 06:17:04 +00:00
|
|
|
|
2019-10-29 20:57:28 +00:00
|
|
|
function smartPromisify(fn) {
|
|
|
|
return function(opts) {
|
|
|
|
var cb;
|
|
|
|
if ('function' === typeof arguments[1]) {
|
|
|
|
cb = Array.prototype.slice.call(arguments)[1];
|
|
|
|
return fn(opts, cb);
|
|
|
|
}
|
|
|
|
return new Promise(function(resolve, reject) {
|
|
|
|
fn(opts, function(err, resp) {
|
|
|
|
if (err) {
|
|
|
|
err._response = resp;
|
|
|
|
reject(err);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
resolve(resp);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
var smartUrequest = smartPromisify(urequest);
|
|
|
|
|
|
|
|
smartUrequest.defaults = function(_defs) {
|
2019-10-29 20:31:30 +00:00
|
|
|
_defs = mergeOrDelete(defs, _defs);
|
|
|
|
return setDefaults(_defs);
|
2018-06-19 01:39:19 +00:00
|
|
|
};
|
2019-10-29 20:31:30 +00:00
|
|
|
['get', 'put', 'post', 'patch', 'delete', 'head', 'options'].forEach(
|
|
|
|
function(method) {
|
2019-10-29 20:57:28 +00:00
|
|
|
smartUrequest[method] = smartPromisify(function(obj, cb) {
|
2019-10-29 20:31:30 +00:00
|
|
|
if ('string' === typeof obj) {
|
|
|
|
obj = { url: obj };
|
|
|
|
}
|
|
|
|
obj.method = method.toUpperCase();
|
|
|
|
urequest(obj, cb);
|
2019-10-29 20:57:28 +00:00
|
|
|
});
|
2019-10-29 20:31:30 +00:00
|
|
|
}
|
|
|
|
);
|
2019-10-29 20:57:28 +00:00
|
|
|
smartUrequest.del = urequest.delete;
|
2018-06-19 01:39:19 +00:00
|
|
|
|
2019-10-29 20:57:28 +00:00
|
|
|
return smartUrequest;
|
2018-06-19 01:39:19 +00:00
|
|
|
}
|
|
|
|
|
2018-06-19 06:17:04 +00:00
|
|
|
var _defaults = {
|
2019-10-29 20:31:30 +00:00
|
|
|
sendImmediately: true,
|
2019-10-30 03:53:39 +00:00
|
|
|
//method: 'GET',
|
2019-10-29 20:31:30 +00:00
|
|
|
headers: {},
|
|
|
|
useQuerystring: false,
|
|
|
|
followRedirect: true,
|
|
|
|
followAllRedirects: false,
|
|
|
|
followOriginalHttpMethod: false,
|
|
|
|
maxRedirects: 10,
|
|
|
|
removeRefererHeader: false,
|
|
|
|
//, encoding: undefined
|
|
|
|
gzip: false
|
|
|
|
//, body: undefined
|
|
|
|
//, json: undefined
|
2018-06-19 06:17:04 +00:00
|
|
|
};
|
|
|
|
module.exports = setDefaults(_defaults);
|
|
|
|
|
|
|
|
module.exports._keys = Object.keys(_defaults).concat([
|
2019-10-29 20:31:30 +00:00
|
|
|
'encoding',
|
|
|
|
'body',
|
|
|
|
'json',
|
|
|
|
'form',
|
|
|
|
'auth',
|
|
|
|
'formData',
|
|
|
|
'FormData'
|
2018-06-19 06:17:04 +00:00
|
|
|
]);
|
2019-10-29 20:31:30 +00:00
|
|
|
module.exports.debug =
|
|
|
|
-1 !== (process.env.NODE_DEBUG || '').split(/\s+/g).indexOf('urequest');
|
2018-06-19 01:39:19 +00:00
|
|
|
|
2019-10-29 20:31:30 +00:00
|
|
|
debug('DEBUG ON for urequest');
|