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101 lines
2.4 KiB
101 lines
2.4 KiB
'use strict';
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var NodeHTTPParser = process.binding('http_parser').HTTPParser,
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version = NodeHTTPParser.RESPONSE ? 6 : 4;
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var HttpParser = function(type) {
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if (type === 'request')
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this._parser = new NodeHTTPParser(NodeHTTPParser.REQUEST || 'request');
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else
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this._parser = new NodeHTTPParser(NodeHTTPParser.RESPONSE || 'response');
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this._type = type;
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this._complete = false;
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this.headers = {};
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var current = null,
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self = this;
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this._parser.onHeaderField = function(b, start, length) {
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current = b.toString('utf8', start, start + length).toLowerCase();
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};
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this._parser.onHeaderValue = function(b, start, length) {
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var value = b.toString('utf8', start, start + length);
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if (self.headers.hasOwnProperty(current))
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self.headers[current] += ', ' + value;
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else
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self.headers[current] = value;
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};
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this._parser.onHeadersComplete = this._parser[NodeHTTPParser.kOnHeadersComplete] =
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function(majorVersion, minorVersion, headers, method, pathname, statusCode) {
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var info = arguments[0];
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if (typeof info === 'object') {
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method = info.method;
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pathname = info.url;
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statusCode = info.statusCode;
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headers = info.headers;
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}
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self.method = (typeof method === 'number') ? HttpParser.METHODS[method] : method;
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self.statusCode = statusCode;
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self.url = pathname;
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if (!headers) return;
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for (var i = 0, n = headers.length, key, value; i < n; i += 2) {
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key = headers[i].toLowerCase();
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value = headers[i+1];
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if (self.headers.hasOwnProperty(key))
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self.headers[key] += ', ' + value;
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else
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self.headers[key] = value;
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}
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self._complete = true;
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};
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};
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HttpParser.METHODS = {
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0: 'DELETE',
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1: 'GET',
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2: 'HEAD',
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3: 'POST',
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4: 'PUT',
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5: 'CONNECT',
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6: 'OPTIONS',
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7: 'TRACE',
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8: 'COPY',
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9: 'LOCK',
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10: 'MKCOL',
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11: 'MOVE',
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12: 'PROPFIND',
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13: 'PROPPATCH',
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14: 'SEARCH',
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15: 'UNLOCK',
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16: 'REPORT',
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17: 'MKACTIVITY',
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18: 'CHECKOUT',
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19: 'MERGE',
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24: 'PATCH'
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};
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HttpParser.prototype.isComplete = function() {
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return this._complete;
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};
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HttpParser.prototype.parse = function(chunk) {
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var offset = (version < 6) ? 1 : 0,
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consumed = this._parser.execute(chunk, 0, chunk.length) + offset;
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if (this._complete)
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this.body = (consumed < chunk.length)
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? chunk.slice(consumed)
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: new Buffer(0);
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};
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module.exports = HttpParser;
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