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12 | var http = require('http')
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13 | , res = http.ServerResponse.prototype
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14 | , setHeader = res.setHeader
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15 | , _renderHeaders = res._renderHeaders
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16 | , writeHead = res.writeHead;
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17 |
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18 |
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19 |
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20 | if (!res._hasConnectPatch) {
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21 |
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22 | |
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28 |
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29 |
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30 | res.__defineGetter__('headerSent', function(){
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31 | return this._header;
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32 | });
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33 |
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34 | |
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36 |
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39 |
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40 |
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41 |
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42 |
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43 | res.setHeader = function(field, val){
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44 | var key = field.toLowerCase()
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45 | , prev;
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46 |
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47 |
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48 | if (this._headers && 'set-cookie' == key) {
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49 | if (prev = this.getHeader(field)) {
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50 | val = Array.isArray(prev)
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51 | ? prev.concat(val)
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52 | : [prev, val];
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53 | }
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54 |
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55 | } else if ('content-type' == key && this.charset) {
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56 | val += '; charset=' + this.charset;
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57 | }
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58 |
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59 | return setHeader.call(this, field, val);
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60 | };
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61 |
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62 | |
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64 |
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65 |
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66 | res._renderHeaders = function(){
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67 | if (!this._emittedHeader) this.emit('header');
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68 | this._emittedHeader = true;
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69 | return _renderHeaders.call(this);
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70 | };
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71 |
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72 | res.writeHead = function(){
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73 | if (!this._emittedHeader) this.emit('header');
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74 | this._emittedHeader = true;
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75 | return writeHead.apply(this, arguments);
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76 | };
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77 |
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78 | res._hasConnectPatch = true;
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79 | }
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