72 lines
1.3 KiB
JavaScript
72 lines
1.3 KiB
JavaScript
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'use strict';
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/**
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* Return the mime type for the given `str`.
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*
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* @param {String} str
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* @return {String}
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* @api private
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*/
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exports.type = function(str){
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return str.split(/ *; */).shift();
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};
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/**
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* Return header field parameters.
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*
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* @param {String} str
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* @return {Object}
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* @api private
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*/
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exports.params = function(str){
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return str.split(/ *; */).reduce(function(obj, str){
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var parts = str.split(/ *= */);
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var key = parts.shift();
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var val = parts.shift();
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if (key && val) obj[key] = val;
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return obj;
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}, {});
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};
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/**
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* Parse Link header fields.
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*
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* @param {String} str
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* @return {Object}
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* @api private
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*/
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exports.parseLinks = function(str){
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return str.split(/ *, */).reduce(function(obj, str){
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var parts = str.split(/ *; */);
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var url = parts[0].slice(1, -1);
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var rel = parts[1].split(/ *= */)[1].slice(1, -1);
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obj[rel] = url;
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return obj;
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}, {});
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};
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/**
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* Strip content related fields from `header`.
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*
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* @param {Object} header
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* @return {Object} header
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* @api private
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*/
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exports.cleanHeader = function(header, changesOrigin){
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delete header['content-type'];
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delete header['content-length'];
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delete header['transfer-encoding'];
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delete header['host'];
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// secuirty
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if (changesOrigin) {
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delete header['authorization'];
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delete header['cookie'];
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}
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return header;
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};
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