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50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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/**
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* Strip HTTP headers operation
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*/
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class StripHTTPHeaders extends Operation {
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/**
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* StripHTTPHeaders constructor
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*/
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constructor() {
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super();
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this.name = "Strip HTTP headers";
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this.module = "Default";
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this.description = "Removes HTTP headers from a request or response by looking for the first instance of a double newline.";
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this.infoURL = "https://wikipedia.org/wiki/Hypertext_Transfer_Protocol#Message_format";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [];
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this.checks = [
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{
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pattern: "^HTTP(.|\\s)+?(\\r?\\n){2}",
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flags: "",
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args: []
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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let headerEnd = input.indexOf("\r\n\r\n");
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headerEnd = (headerEnd < 0) ? input.indexOf("\n\n") + 2 : headerEnd + 4;
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return (headerEnd < 2) ? input : input.slice(headerEnd, input.length);
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}
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}
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export default StripHTTPHeaders;
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