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node_modules/simple-get/index.js
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vendored
155
node_modules/simple-get/index.js
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vendored
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/*! simple-get. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
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module.exports = simpleGet
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module.exports = simpleGet;
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const concat = require('simple-concat')
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const decompressResponse = require('decompress-response') // excluded from browser build
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const http = require('http')
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const https = require('https')
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const once = require('once')
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const querystring = require('querystring')
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const url = require('url')
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const concat = require('simple-concat');
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const decompressResponse = require('decompress-response'); // excluded from browser build
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const http = require('http');
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const https = require('https');
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const once = require('once');
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const querystring = require('querystring');
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const url = require('url');
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const isStream = o => o !== null && typeof o === 'object' && typeof o.pipe === 'function'
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const isStream = (o) =>
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o !== null && typeof o === 'object' && typeof o.pipe === 'function';
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function simpleGet (opts, cb) {
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opts = Object.assign({ maxRedirects: 10 }, typeof opts === 'string' ? { url: opts } : opts)
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cb = once(cb)
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function simpleGet(opts, cb) {
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opts = Object.assign(
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{ maxRedirects: 10 },
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typeof opts === 'string' ? { url: opts } : opts
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);
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cb = once(cb);
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if (opts.url) {
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const { hostname, port, protocol, auth, path } = url.parse(opts.url) // eslint-disable-line node/no-deprecated-api
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delete opts.url
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if (!hostname && !port && !protocol && !auth) opts.path = path // Relative redirect
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else Object.assign(opts, { hostname, port, protocol, auth, path }) // Absolute redirect
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const { hostname, port, protocol, auth, path } = url.parse(opts.url); // eslint-disable-line node/no-deprecated-api
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delete opts.url;
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if (!hostname && !port && !protocol && !auth)
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opts.path = path; // Relative redirect
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else Object.assign(opts, { hostname, port, protocol, auth, path }); // Absolute redirect
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}
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const headers = { 'accept-encoding': 'gzip, deflate' }
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if (opts.headers) Object.keys(opts.headers).forEach(k => (headers[k.toLowerCase()] = opts.headers[k]))
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opts.headers = headers
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const headers = { 'accept-encoding': 'gzip, deflate' };
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if (opts.headers)
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Object.keys(opts.headers).forEach(
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(k) => (headers[k.toLowerCase()] = opts.headers[k])
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);
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opts.headers = headers;
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let body
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let body;
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if (opts.body) {
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body = opts.json && !isStream(opts.body) ? JSON.stringify(opts.body) : opts.body
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body =
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opts.json && !isStream(opts.body) ? JSON.stringify(opts.body) : opts.body;
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} else if (opts.form) {
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body = typeof opts.form === 'string' ? opts.form : querystring.stringify(opts.form)
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opts.headers['content-type'] = 'application/x-www-form-urlencoded'
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body =
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typeof opts.form === 'string' ?
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opts.form
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: querystring.stringify(opts.form);
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opts.headers['content-type'] = 'application/x-www-form-urlencoded';
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}
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if (body) {
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if (!opts.method) opts.method = 'POST'
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if (!isStream(body)) opts.headers['content-length'] = Buffer.byteLength(body)
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if (opts.json && !opts.form) opts.headers['content-type'] = 'application/json'
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if (!opts.method) opts.method = 'POST';
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if (!isStream(body))
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opts.headers['content-length'] = Buffer.byteLength(body);
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if (opts.json && !opts.form)
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opts.headers['content-type'] = 'application/json';
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}
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delete opts.body; delete opts.form
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delete opts.body;
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delete opts.form;
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if (opts.json) opts.headers.accept = 'application/json'
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if (opts.method) opts.method = opts.method.toUpperCase()
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if (opts.json) opts.headers.accept = 'application/json';
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if (opts.method) opts.method = opts.method.toUpperCase();
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const originalHost = opts.hostname // hostname before potential redirect
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const protocol = opts.protocol === 'https:' ? https : http // Support http/https urls
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const req = protocol.request(opts, res => {
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if (opts.followRedirects !== false && res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) {
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opts.url = res.headers.location // Follow 3xx redirects
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delete opts.headers.host // Discard `host` header on redirect (see #32)
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res.resume() // Discard response
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const originalHost = opts.hostname; // hostname before potential redirect
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const protocol = opts.protocol === 'https:' ? https : http; // Support http/https urls
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const req = protocol.request(opts, (res) => {
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if (
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opts.followRedirects !== false &&
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res.statusCode >= 300 &&
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res.statusCode < 400 &&
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res.headers.location
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) {
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opts.url = res.headers.location; // Follow 3xx redirects
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delete opts.headers.host; // Discard `host` header on redirect (see #32)
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res.resume(); // Discard response
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const redirectHost = url.parse(opts.url).hostname // eslint-disable-line node/no-deprecated-api
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const redirectHost = url.parse(opts.url).hostname; // eslint-disable-line node/no-deprecated-api
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// If redirected host is different than original host, drop headers to prevent cookie leak (#73)
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if (redirectHost !== null && redirectHost !== originalHost) {
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delete opts.headers.cookie
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delete opts.headers.authorization
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delete opts.headers.cookie;
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delete opts.headers.authorization;
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}
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if (opts.method === 'POST' && [301, 302].includes(res.statusCode)) {
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opts.method = 'GET' // On 301/302 redirect, change POST to GET (see #35)
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delete opts.headers['content-length']; delete opts.headers['content-type']
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opts.method = 'GET'; // On 301/302 redirect, change POST to GET (see #35)
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delete opts.headers['content-length'];
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delete opts.headers['content-type'];
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}
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if (opts.maxRedirects-- === 0) return cb(new Error('too many redirects'))
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else return simpleGet(opts, cb)
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if (opts.maxRedirects-- === 0) return cb(new Error('too many redirects'));
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else return simpleGet(opts, cb);
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}
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const tryUnzip = typeof decompressResponse === 'function' && opts.method !== 'HEAD'
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cb(null, tryUnzip ? decompressResponse(res) : res)
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})
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const tryUnzip =
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typeof decompressResponse === 'function' && opts.method !== 'HEAD';
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cb(null, tryUnzip ? decompressResponse(res) : res);
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});
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req.on('timeout', () => {
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req.abort()
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cb(new Error('Request timed out'))
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})
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req.on('error', cb)
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req.abort();
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cb(new Error('Request timed out'));
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});
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req.on('error', cb);
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if (isStream(body)) body.on('error', cb).pipe(req)
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else req.end(body)
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if (isStream(body)) body.on('error', cb).pipe(req);
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else req.end(body);
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return req
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return req;
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}
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simpleGet.concat = (opts, cb) => {
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return simpleGet(opts, (err, res) => {
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if (err) return cb(err)
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if (err) return cb(err);
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concat(res, (err, data) => {
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if (err) return cb(err)
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if (err) return cb(err);
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if (opts.json) {
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try {
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data = JSON.parse(data.toString())
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data = JSON.parse(data.toString());
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} catch (err) {
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return cb(err, res, data)
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return cb(err, res, data);
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}
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}
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cb(null, res, data)
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})
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})
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}
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;['get', 'post', 'put', 'patch', 'head', 'delete'].forEach(method => {
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cb(null, res, data);
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});
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});
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};
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['get', 'post', 'put', 'patch', 'head', 'delete'].forEach((method) => {
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simpleGet[method] = (opts, cb) => {
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if (typeof opts === 'string') opts = { url: opts }
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return simpleGet(Object.assign({ method: method.toUpperCase() }, opts), cb)
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}
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})
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if (typeof opts === 'string') opts = { url: opts };
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return simpleGet(Object.assign({ method: method.toUpperCase() }, opts), cb);
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};
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});
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