Mercurial Hosting > luan
annotate src/luan/modules/http/jetty/HttpServicer.java @ 1153:1f4da56abd4f
change http cookies interface
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sun, 04 Feb 2018 20:01:23 -0700 |
parents | 21d157b153fe |
children | bbad9a21277c |
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1136 | 1 package luan.modules.http.jetty; |
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2 |
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3 import java.io.InputStream; |
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4 import java.io.BufferedInputStream; |
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5 import java.io.PrintWriter; |
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6 import java.io.IOException; |
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7 import java.util.Map; |
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8 import java.util.Set; |
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9 import java.util.List; |
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10 import java.util.ArrayList; |
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11 import java.util.Arrays; |
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12 import java.util.Iterator; |
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13 import java.util.Enumeration; |
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14 import java.util.concurrent.Executor; |
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15 import java.util.concurrent.Executors; |
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16 import javax.servlet.ServletOutputStream; |
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17 import javax.servlet.ServletException; |
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18 import javax.servlet.http.Cookie; |
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19 import javax.servlet.http.HttpServletRequest; |
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20 import javax.servlet.http.HttpServletResponse; |
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21 import javax.servlet.http.HttpSession; |
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22 import javax.servlet.http.Part; |
436 | 23 import org.slf4j.Logger; |
24 import org.slf4j.LoggerFactory; | |
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25 import org.eclipse.jetty.util.MultiPartInputStream; |
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26 import luan.Luan; |
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27 import luan.LuanState; |
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28 import luan.LuanFunction; |
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29 import luan.LuanException; |
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30 import luan.LuanTable; |
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31 import luan.LuanCloner; |
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32 import luan.modules.PackageLuan; |
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33 import luan.modules.IoLuan; |
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34 import luan.modules.TableLuan; |
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35 import luan.modules.Utils; |
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36 import luan.modules.url.LuanUrl; |
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37 |
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38 |
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39 public final class HttpServicer { |
436 | 40 private static final Logger logger = LoggerFactory.getLogger(HttpServicer.class); |
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41 |
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42 public static boolean service(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName) |
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43 throws LuanException |
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44 { |
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45 LuanFunction fn; |
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46 synchronized(luan) { |
798 | 47 PackageLuan.enableLoad(luan,"luan:http/Http.luan",modName); |
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48 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http.luan"); |
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49 LuanTable per_session_pages = (LuanTable)module.rawGet("per_session_pages"); |
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50 Object mod = PackageLuan.load(luan,modName); |
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51 if( mod.equals(Boolean.FALSE) ) |
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52 return false; |
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53 if( !(mod instanceof LuanFunction) ) |
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54 throw new LuanException( "module '"+modName+"' must return a function" ); |
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55 if( Boolean.TRUE.equals(per_session_pages.rawGet(mod)) ) { |
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56 HttpSession session = request.getSession(); |
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57 LuanState sessionLuan = (LuanState)session.getAttribute("luan"); |
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58 if( sessionLuan!=null ) { |
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59 luan = sessionLuan; |
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60 } else { |
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61 LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE); |
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62 luan = (LuanState)cloner.clone(luan); |
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63 session.setAttribute("luan",luan); |
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64 } |
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65 fn = (LuanFunction)PackageLuan.require(luan,modName); |
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66 } else { |
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67 LuanCloner cloner = new LuanCloner(LuanCloner.Type.INCREMENTAL); |
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68 luan = (LuanState)cloner.clone(luan); |
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69 fn = (LuanFunction)cloner.get(mod); |
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70 } |
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71 } |
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72 |
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73 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http.luan"); |
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74 |
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75 // request |
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76 LuanFunction newRequestFn = (LuanFunction)module.rawGet("new_request"); |
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77 LuanTable requestTbl = (LuanTable)newRequestFn.call(luan); |
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78 module.rawPut("request",requestTbl); |
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79 requestTbl.rawPut("java",request); |
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80 requestTbl.rawPut("method",request.getMethod()); |
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81 requestTbl.rawPut("path",request.getRequestURI()); |
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82 requestTbl.rawPut("protocol",request.getProtocol()); |
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83 requestTbl.rawPut("scheme",request.getScheme()); |
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84 requestTbl.rawPut("port",request.getServerPort()); |
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85 |
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86 LuanTable headersTbl = (LuanTable)requestTbl.rawGet("headers"); |
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87 for( Enumeration<String> enKeys = request.getHeaderNames(); enKeys.hasMoreElements(); ) { |
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88 String key = enKeys.nextElement(); |
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89 List<String> values = new ArrayList<String>(); |
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90 for( Enumeration<String> en = request.getHeaders(key); en.hasMoreElements(); ) { |
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91 values.add(en.nextElement()); |
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92 } |
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93 int size = values.size(); |
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94 if(size==0) throw new RuntimeException(); |
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95 key = key.toLowerCase(); |
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96 Object value = size==1 ? values.get(0) : new LuanTable(values); |
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97 headersTbl.rawPut(key,value); |
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98 } |
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99 |
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100 LuanTable parametersTbl = (LuanTable)requestTbl.rawGet("parameters"); |
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101 String contentType = request.getContentType(); |
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102 if( contentType==null || !contentType.startsWith("multipart/form-data") ) { |
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103 for( Map.Entry<String,String[]> entry : request.getParameterMap().entrySet() ) { |
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104 String[] a = entry.getValue(); |
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105 Object value = a.length==1 ? a[0] : new LuanTable(Arrays.asList(a)); |
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106 parametersTbl.rawPut(entry.getKey(),value); |
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107 } |
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108 } else { // multipart |
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109 try { |
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110 InputStream in = new BufferedInputStream(request.getInputStream()); |
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111 final MultiPartInputStream mpis = new MultiPartInputStream(in,contentType,null,null); |
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112 mpis.setDeleteOnExit(true); |
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113 for( Part p : mpis.getParts() ) { |
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114 final MultiPartInputStream.MultiPart part = (MultiPartInputStream.MultiPart)p; |
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115 String name = part.getName(); |
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116 /* |
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117 System.out.println("name = "+name); |
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118 System.out.println("getContentType = "+part.getContentType()); |
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119 System.out.println("getHeaderNames = "+part.getHeaderNames()); |
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120 System.out.println("content-disposition = "+part.getHeader("content-disposition")); |
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121 System.out.println(); |
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122 */ |
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123 Object value; |
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124 String filename = part.getContentDispositionFilename(); |
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125 if( filename == null ) { |
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126 value = new String(part.getBytes()); |
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127 } else { |
796 | 128 LuanTable partTbl = new LuanTable(); |
129 partTbl.rawPut("filename",filename); | |
130 partTbl.rawPut("content_type",part.getContentType()); | |
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131 { |
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132 InputStream inPart = part.getInputStream(); |
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133 byte[] content = Utils.readAll(inPart); |
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134 inPart.close(); |
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135 partTbl.rawPut("content",content); |
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136 } |
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137 value = partTbl; |
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138 } |
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139 Object obj = parametersTbl.rawGet(name); |
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140 if( obj == null ) { |
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141 parametersTbl.rawPut(name,value); |
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142 } else if( obj instanceof LuanTable && ((LuanTable)obj).isList() ) { |
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143 LuanTable list = (LuanTable)obj; |
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144 list.rawPut(list.rawLength()+1,value); |
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145 } else { |
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146 LuanTable list = new LuanTable(); |
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147 list.rawPut(1,obj); |
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148 list.rawPut(2,value); |
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149 parametersTbl.rawPut(name,list); |
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150 } |
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151 } |
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152 } catch(IOException e) { |
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153 throw new RuntimeException(e); |
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154 } catch(ServletException e) { |
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155 throw new RuntimeException(e); |
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156 } |
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157 } |
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158 |
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159 LuanTable cookieTbl = (LuanTable)requestTbl.rawGet("cookies"); |
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160 for( Cookie cookie : request.getCookies() ) { |
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161 cookieTbl.rawPut( cookie.getName(), unescape(cookie.getValue()) ); |
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162 } |
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163 |
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164 |
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165 // response |
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166 LuanTable responseTbl = new LuanTable(); |
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167 responseTbl.rawPut("java",response); |
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168 LuanFunction newResponseFn = (LuanFunction)module.rawGet("new_response"); |
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169 newResponseFn.call( luan, new Object[]{responseTbl} ); |
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170 module.rawPut("response",responseTbl); |
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171 |
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172 fn.call(luan); |
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173 handle_run_later(luan); |
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174 return true; |
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175 } |
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176 |
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177 public static void setResponse(LuanTable responseTbl,HttpServletResponse response) throws LuanException { |
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178 int status = Luan.asInteger(responseTbl.rawGet("status")); |
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179 response.setStatus(status); |
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180 LuanTable responseHeaders = (LuanTable)responseTbl.rawGet("headers"); |
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181 for( Map.Entry<Object,Object> entry : responseHeaders.rawIterable() ) { |
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182 String name = (String)entry.getKey(); |
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183 Object val = entry.getValue(); |
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184 if( val instanceof LuanTable ) { |
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185 LuanTable values = (LuanTable)val; |
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186 for( Object value : values.asList() ) { |
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187 setResponse(response,name,value); |
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188 } |
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189 } else { |
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190 setResponse(response,name,val); |
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191 } |
436 | 192 } |
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193 } |
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194 |
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195 private static void setResponse(HttpServletResponse response,String name,Object value) throws LuanException { |
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196 if( value instanceof String ) { |
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197 response.setHeader(name,(String)value); |
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198 return; |
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199 } |
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200 Integer i = Luan.asInteger(value); |
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201 if( i != null ) { |
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202 response.setIntHeader(name,i); |
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203 return; |
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204 } |
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205 throw new IllegalArgumentException("value must be string or integer for headers table"); |
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206 } |
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207 |
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208 |
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209 |
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210 // static utils |
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211 |
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212 private static String escape(String value) { |
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213 return value.replaceAll(";", "%3B"); |
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214 } |
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215 |
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216 private static String unescape(String value) { |
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217 return value.replaceAll("%3B", ";"); |
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218 } |
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219 |
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220 private static Cookie getCookie(HttpServletRequest request,String name) { |
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221 Cookie[] cookies = request.getCookies(); |
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222 if( cookies == null ) |
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223 return null; |
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224 for (Cookie cookie : cookies) { |
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225 if (cookie.getName().equals(name)) |
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226 return cookie; |
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227 } |
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228 return null; |
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229 } |
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230 |
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231 public static void setCookie(HttpServletRequest request,HttpServletResponse response,String name,String value,LuanTable attributes) { |
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232 Cookie cookie = getCookie(request,name); |
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233 if( cookie==null || !cookie.getValue().equals(value) ) { |
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234 cookie = new Cookie(name, escape(value)); |
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235 if( attributes != null ) { |
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236 String path = (String)attributes.rawGet("Path"); |
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237 if( path != null ) |
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238 cookie.setPath(path); |
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239 String domain = (String)attributes.rawGet("Domain"); |
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240 if (domain != null && domain.length() > 0) |
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241 cookie.setDomain(domain); |
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242 String maxAge = (String)attributes.rawGet("Max-Age"); |
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243 if( maxAge != null ) |
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244 cookie.setMaxAge(Integer.parseInt(maxAge)); |
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245 } |
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246 response.addCookie(cookie); |
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247 } |
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248 } |
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249 |
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250 |
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251 |
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252 private static String RUN_LATER_KEY = "Http.run_later"; |
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253 private static final Executor exec = Executors.newSingleThreadExecutor(); |
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254 |
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255 public static void run_later(final LuanState luan,final LuanFunction fn,final Object... args) { |
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256 List list = (List)luan.registry().get(RUN_LATER_KEY); |
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257 if( list == null ) { |
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258 list = new ArrayList(); |
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259 luan.registry().put(RUN_LATER_KEY,list); |
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260 } |
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261 list.add( |
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262 new Runnable(){public void run() { |
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263 try { |
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264 fn.call(luan,args); |
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265 } catch(LuanException e) { |
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266 e.printStackTrace(); |
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267 } |
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268 }} |
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269 ); |
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270 } |
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271 |
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272 private static void handle_run_later(LuanState luan) { |
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273 List list = (List)luan.registry().get(RUN_LATER_KEY); |
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274 if( list==null ) |
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275 return; |
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276 for( Object obj : list ) { |
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277 exec.execute((Runnable)obj); |
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278 } |
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279 } |
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280 } |