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108 lines
2.7 KiB
JavaScript
108 lines
2.7 KiB
JavaScript
var path = Npm.require('path');
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var request = Npm.require('request');
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var url_util = Npm.require('url');
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// _call always runs asynchronously; HTTP.call, defined below,
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// wraps _call and runs synchronously when no callback is provided.
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var _call = function(method, url, options, callback) {
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////////// Process arguments //////////
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if (! callback && typeof options === "function") {
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// support (method, url, callback) argument list
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callback = options;
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options = null;
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}
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options = options || {};
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method = (method || "").toUpperCase();
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if (! /^https?:\/\//.test(url))
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throw new Error("url must be absolute and start with http:// or https://");
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var url_parts = url_util.parse(url);
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var headers = {};
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var content = options.content;
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if (options.data) {
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content = JSON.stringify(options.data);
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headers['Content-Type'] = 'application/json';
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}
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var params_for_url, params_for_body;
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if (content || method === "GET" || method === "HEAD")
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params_for_url = options.params;
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else
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params_for_body = options.params;
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var new_url = buildUrl(
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url_parts.protocol + "//" + url_parts.host + url_parts.pathname,
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url_parts.search, options.query, params_for_url);
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if (options.auth) {
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if (options.auth.indexOf(':') < 0)
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throw new Error('auth option should be of the form "username:password"');
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headers['Authorization'] = "Basic "+
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(new Buffer(options.auth, "ascii")).toString("base64");
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}
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if (params_for_body) {
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content = encodeParams(params_for_body);
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headers['Content-Type'] = "application/x-www-form-urlencoded";
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}
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_.extend(headers, options.headers || {});
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// wrap callback to add a 'response' property on an error, in case
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// we have both (http 4xx/5xx error, which has a response payload)
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callback = (function(callback) {
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return function(error, response) {
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if (error && response)
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error.response = response;
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callback(error, response);
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};
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})(callback);
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// safety belt: only call the callback once.
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callback = _.once(callback);
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////////// Kickoff! //////////
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var req_options = {
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url: new_url,
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method: method,
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encoding: "utf8",
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jar: false,
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timeout: options.timeout,
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body: content,
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followRedirect: options.followRedirects,
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headers: headers
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};
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request(req_options, function(error, res, body) {
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var response = null;
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if (! error) {
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response = {};
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response.statusCode = res.statusCode;
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response.content = body;
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response.headers = res.headers;
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populateData(response);
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if (response.statusCode >= 400)
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error = makeErrorByStatus(response.statusCode, response.content);
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}
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callback(error, response);
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});
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};
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HTTP.call = Meteor._wrapAsync(_call);
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