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94 lines
2.5 KiB
JavaScript
94 lines
2.5 KiB
JavaScript
/* Generic responder that composes a response from
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* the query string of a request.
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*
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* It reserves some special prop names:
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* - body: get's used as the response body
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* - statusCode: override the 200 OK response code
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* (response text is set automatically)
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*
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* Any property names it doesn't know about get converted into
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* HTTP headers.
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*
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* For example:
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* http://test/resource.sjs?Content-Type=text/html&body=<h1>hello</h1>&Hello=hi
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*
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* Outputs:
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* HTTP/1.1 200 OK
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* Content-Type: text/html
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* Hello: hi
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* <h1>hello</h1>
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*/
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//global handleRequest
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'use strict';
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const HTTPStatus = new Map([
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[100, 'Continue'],
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[101, 'Switching Protocol'],
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[200, 'OK'],
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[201, 'Created'],
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[202, 'Accepted'],
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[203, 'Non-Authoritative Information'],
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[204, 'No Content'],
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[205, 'Reset Content'],
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[206, 'Partial Content'],
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[300, 'Multiple Choice'],
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[301, 'Moved Permanently'],
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[302, 'Found'],
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[303, 'See Other'],
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[304, 'Not Modified'],
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[305, 'Use Proxy'],
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[306, 'unused'],
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[307, 'Temporary Redirect'],
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[308, 'Permanent Redirect'],
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[400, 'Bad Request'],
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[401, 'Unauthorized'],
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[402, 'Payment Required'],
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[403, 'Forbidden'],
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[404, 'Not Found'],
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[405, 'Method Not Allowed'],
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[406, 'Not Acceptable'],
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[407, 'Proxy Authentication Required'],
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[408, 'Request Timeout'],
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[409, 'Conflict'],
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[410, 'Gone'],
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[411, 'Length Required'],
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[412, 'Precondition Failed'],
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[413, 'Request Entity Too Large'],
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[414, 'Request-URI Too Long'],
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[415, 'Unsupported Media Type'],
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[416, 'Requested Range Not Satisfiable'],
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[417, 'Expectation Failed'],
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[500, 'Internal Server Error'],
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[501, 'Not Implemented'],
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[502, 'Bad Gateway'],
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[503, 'Service Unavailable'],
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[504, 'Gateway Timeout'],
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[505, 'HTTP Version Not Supported']
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]);
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function handleRequest(request, response) {
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const queryMap = createQueryMap(request);
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if (queryMap.has('statusCode')) {
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let statusCode = parseInt(queryMap.get('statusCode'));
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let statusText = HTTPStatus.get(statusCode);
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queryMap.delete('statusCode');
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response.setStatusLine('1.1', statusCode, statusText);
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}
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if (queryMap.has('body')) {
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let body = queryMap.get('body') || '';
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queryMap.delete('body');
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response.write(body);
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}
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for (let [key, value] of queryMap) {
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response.setHeader(key, value);
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}
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function createQueryMap(request) {
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const queryMap = new Map();
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request.queryString.split('&')
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//split on first "="
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.map((component) => component.split(/=(.+)?/))
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.forEach(pair => queryMap.set(pair[0], decodeURIComponent(pair[1])));
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return queryMap;
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}
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}
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