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html/sternwarte/checkfuehrung/node_modules/nodemailer-fetch/lib/fetch.js
generated
vendored
Executable file
224
html/sternwarte/checkfuehrung/node_modules/nodemailer-fetch/lib/fetch.js
generated
vendored
Executable file
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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 urllib = require('url');
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var zlib = require('zlib');
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var PassThrough = require('stream').PassThrough;
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var Cookies = require('./cookies');
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var MAX_REDIRECTS = 5;
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module.exports = function (url, options) {
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return fetch(url, options);
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};
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module.exports.Cookies = Cookies;
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function fetch(url, options) {
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options = options || {};
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options.fetchRes = options.fetchRes || new PassThrough();
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options.cookies = options.cookies || new Cookies();
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options.redirects = options.redirects || 0;
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options.maxRedirects = isNaN(options.maxRedirects) ? MAX_REDIRECTS : options.maxRedirects;
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if (options.cookie) {
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[].concat(options.cookie || []).forEach(function (cookie) {
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options.cookies.set(cookie, url);
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});
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options.cookie = false;
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}
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var fetchRes = options.fetchRes;
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var parsed = urllib.parse(url);
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var method = (options.method || '').toString().trim().toUpperCase() || 'GET';
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var finished = false;
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var cookies;
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var body;
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var handler = parsed.protocol === 'https:' ? https : http;
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var headers = {
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'accept-encoding': 'gzip,deflate'
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};
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Object.keys(options.headers || {}).forEach(function (key) {
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headers[key.toLowerCase().trim()] = options.headers[key];
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});
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if (options.userAgent) {
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headers['User-Agent'] = options.userAgent;
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}
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if (parsed.auth) {
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headers.Authorization = 'Basic ' + new Buffer(parsed.auth).toString('base64');
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}
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if ((cookies = options.cookies.get(url))) {
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headers.cookie = cookies;
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}
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if (options.body) {
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if (options.contentType !== false) {
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headers['Content-Type'] = options.contentType || 'application/x-www-form-urlencoded';
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}
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if (typeof options.body.pipe === 'function') {
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// it's a stream
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headers['Transfer-Encoding'] = 'chunked';
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body = options.body;
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body.on('error', function (err) {
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if (finished) {
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return;
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}
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finished = true;
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fetchRes.emit('error', err);
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});
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} else {
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if (options.body instanceof Buffer) {
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body = options.body;
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} else if (typeof options.body === 'object') {
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body = new Buffer(Object.keys(options.body).map(function (key) {
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var value = options.body[key].toString().trim();
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return encodeURIComponent(key) + '=' + encodeURIComponent(value);
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}).join('&'));
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} else {
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body = new Buffer(options.body.toString().trim());
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}
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headers['Content-Type'] = options.contentType || 'application/x-www-form-urlencoded';
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headers['Content-Length'] = body.length;
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}
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// if method is not provided, use POST instead of GET
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method = (options.method || '').toString().trim().toUpperCase() || 'POST';
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}
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var req;
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var reqOptions = {
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method: method,
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host: parsed.hostname,
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path: parsed.path,
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port: parsed.port ? parsed.port : (parsed.protocol === 'https:' ? 443 : 80),
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headers: headers,
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rejectUnauthorized: false,
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agent: false
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};
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if (options.tls) {
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Object.keys(options.tls).forEach(function (key) {
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reqOptions[key] = options.tls[key];
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});
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}
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try {
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req = handler.request(reqOptions);
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} catch (E) {
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finished = true;
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setImmediate(function () {
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fetchRes.emit('error', E);
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});
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return fetchRes;
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}
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if (options.timeout) {
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req.setTimeout(options.timeout, function () {
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if (finished) {
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return;
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}
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finished = true;
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req.abort();
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fetchRes.emit('error', new Error('Request Tiemout'));
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});
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}
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req.on('error', function (err) {
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if (finished) {
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return;
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}
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finished = true;
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fetchRes.emit('error', err);
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});
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req.on('response', function (res) {
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var inflate;
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if (finished) {
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return;
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}
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switch (res.headers['content-encoding']) {
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case 'gzip':
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case 'deflate':
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inflate = zlib.createUnzip();
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break;
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}
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if (res.headers['set-cookie']) {
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[].concat(res.headers['set-cookie'] || []).forEach(function (cookie) {
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options.cookies.set(cookie, url);
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});
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}
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if ([301, 302, 303, 307, 308].indexOf(res.statusCode) >= 0 && res.headers.location) {
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// redirect
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options.redirects++;
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if (options.redirects > options.maxRedirects) {
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finished = true;
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fetchRes.emit('error', new Error('Maximum redirect count exceeded'));
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req.abort();
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return;
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}
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return fetch(urllib.resolve(url, res.headers.location), options);
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}
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if (res.statusCode >= 300) {
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finished = true;
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fetchRes.emit('error', new Error('Invalid status code ' + res.statusCode));
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req.abort();
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return;
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}
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res.on('error', function (err) {
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if (finished) {
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return;
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}
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finished = true;
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fetchRes.emit('error', err);
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req.abort();
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});
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if (inflate) {
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res.pipe(inflate).pipe(fetchRes);
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inflate.on('error', function (err) {
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if (finished) {
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return;
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}
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finished = true;
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fetchRes.emit('error', err);
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req.abort();
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});
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} else {
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res.pipe(fetchRes);
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}
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});
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setImmediate(function () {
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if (body) {
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try {
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if (typeof body.pipe === 'function') {
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return body.pipe(req);
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} else {
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req.write(body);
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}
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} catch (err) {
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finished = true;
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fetchRes.emit('error', err);
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return;
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}
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}
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req.end();
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});
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return fetchRes;
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}
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