Mercurial Hosting > luan
annotate src/luan/host/WebHandler.java @ 1810:3c43b07e12b7 default tip
minor
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Sun, 12 May 2024 22:00:42 -0600 |
| parents | 9157e0d5936e |
| children |
| rev | line source |
|---|---|
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1 package luan.host; |
| 1135 | 2 |
| 1766 | 3 import java.io.Closeable; |
| 1135 | 4 import java.io.File; |
| 1501 | 5 import java.io.IOException; |
| 1766 | 6 import java.lang.ref.Reference; |
| 7 import java.lang.ref.WeakReference; | |
| 8 import java.lang.reflect.Method; | |
| 9 import java.util.Set; | |
| 10 import java.util.Collections; | |
| 11 import java.util.concurrent.ConcurrentHashMap; | |
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12 import goodjava.logging.Logger; |
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13 import goodjava.logging.LoggerFactory; |
| 1501 | 14 import goodjava.io.IoUtils; |
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15 import goodjava.webserver.Handler; |
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16 import goodjava.webserver.Request; |
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17 import goodjava.webserver.Response; |
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18 import goodjava.webserver.handlers.DomainHandler; |
| 1598 | 19 import goodjava.webserver.handlers.IndexHandler; |
| 20 import goodjava.webserver.handlers.ListHandler; | |
| 21 import goodjava.webserver.handlers.ContentTypeHandler; | |
| 22 import goodjava.webserver.handlers.SafeHandler; | |
| 23 import goodjava.webserver.handlers.LogHandler; | |
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24 import goodjava.webserver.handlers.FileHandler; |
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25 import goodjava.webserver.handlers.DirHandler; |
| 1607 | 26 import goodjava.webserver.handlers.HeadersHandler; |
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27 import goodjava.webserver.handlers.BasicAuthHandler; |
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28 import goodjava.webserver.handlers.RegexHandler; |
| 1330 | 29 import luan.Luan; |
| 1135 | 30 import luan.LuanException; |
| 31 import luan.LuanTable; | |
| 1330 | 32 import luan.LuanFunction; |
| 1766 | 33 import luan.LuanJavaFunction; |
| 1330 | 34 import luan.LuanClosure; |
| 1335 | 35 import luan.LuanRuntimeException; |
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36 import luan.modules.http.LuanHandler; |
| 1598 | 37 import luan.modules.http.NotFound; |
| 1454 | 38 import luan.modules.logging.LuanLogger; |
| 1135 | 39 |
| 40 | |
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41 public class WebHandler implements Handler { |
| 1135 | 42 private static final Logger logger = LoggerFactory.getLogger(WebHandler.class); |
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43 private static final long days30 = 1000L*60*60*24*30; |
| 1135 | 44 |
| 1766 | 45 private static final class MyHandler implements Handler, Closeable { |
| 1598 | 46 private final Handler handler; |
| 47 final LuanHandler luanHandler; | |
| 48 | |
| 49 MyHandler(Handler handler,LuanHandler luanHandler) { | |
| 50 this.handler = handler; | |
| 51 this.luanHandler = luanHandler; | |
| 52 } | |
| 53 | |
| 54 @Override public Response handle(Request request) { | |
| 55 return handler.handle(request); | |
| 56 } | |
| 1766 | 57 |
| 58 @Override public void close() { | |
| 1767 | 59 dontGc.remove(this); |
| 1766 | 60 luanHandler.close(); |
| 61 } | |
| 1767 | 62 |
| 63 protected void finalize() throws Throwable { | |
| 64 // logger.info("gc "+luanHandler.domain); | |
| 65 close(); | |
| 66 } | |
| 1598 | 67 } |
| 68 | |
| 1315 | 69 private static final DomainHandler.Factory factory = new DomainHandler.Factory() { |
| 70 public Handler newHandler(String domain) { | |
| 71 File dir = new File(sitesDir,domain); | |
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72 if( !dir.exists() ) |
| 1315 | 73 return null; |
| 74 String dirStr = dir.toString(); | |
| 1230 | 75 |
| 1315 | 76 String logDir = dirStr + "/site/private/local/logs/web"; |
| 1501 | 77 try { |
| 78 IoUtils.mkdirs(new File(logDir)); | |
| 79 } catch(IOException e) { | |
| 80 throw new RuntimeException(e); | |
| 81 } | |
| 1230 | 82 |
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83 Luan luan = new Luan(); |
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84 String password; |
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85 LuanLogger.startThreadLogging(luan); |
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86 try { |
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87 LuanFunction fn = Luan.loadClasspath(luan,"luan/host/init.luan"); |
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88 fn.call(luan,dirStr,domain); |
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89 LuanTable Io = (LuanTable)luan.require("luan:Io.luan"); |
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90 password = (String)Io.get(luan,"password"); |
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91 if( password==null ) throw new NullPointerException(); |
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92 } catch(LuanException e) { |
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93 throw new LuanRuntimeException(e); |
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94 } finally { |
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95 LuanLogger.endThreadLogging(); |
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96 } |
| 1766 | 97 Fns fns = new Fns(); |
| 98 try { | |
| 99 LuanTable Http = (LuanTable)luan.require("luan:http/Http.luan"); | |
| 100 Http.put( luan, "dont_gc", new LuanJavaFunction(dontGcMethod,fns) ); | |
| 101 } catch(LuanException e) { | |
| 102 throw new RuntimeException(e); | |
| 103 } | |
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104 security(luan,dirStr); |
| 1598 | 105 LuanHandler luanHandler = new LuanHandler(luan,domain); |
| 106 | |
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107 FileHandler fileHandler = new FileHandler(dirStr+"/site/"); |
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108 Handler handler = new ListHandler( luanHandler, fileHandler ); |
| 1607 | 109 handler = new ContentTypeHandler(handler); |
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110 handler = new IndexHandler(handler); |
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111 DirHandler dirHandler = new DirHandler(fileHandler); |
| 1598 | 112 Handler notFoundHander = new NotFound(luanHandler); |
| 1607 | 113 notFoundHander = new ContentTypeHandler(notFoundHander); |
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114 handler = new ListHandler( handler, dirHandler, notFoundHander ); |
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115 Handler auth = new BasicAuthHandler(handler,"Private","admin",password); |
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parents:
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116 handler = new RegexHandler("^/private/",auth,handler); |
| 1607 | 117 handler = new HeadersHandler(handler); |
| 1598 | 118 handler = new SafeHandler(handler); |
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119 handler = new LogHandler(handler,LogHandler.dirLogger(new File(logDir),days30)); |
| 1598 | 120 |
| 1766 | 121 MyHandler myHandler = new MyHandler(handler,luanHandler); |
| 122 fns.set(myHandler); | |
| 123 return myHandler; | |
| 1230 | 124 } |
| 1315 | 125 }; |
| 1230 | 126 |
| 1627 | 127 public static LuanTable config; |
| 1315 | 128 private static final DomainHandler domainHandler = new DomainHandler(factory); |
| 1202 | 129 private static String sitesDir = null; |
| 1135 | 130 |
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parents:
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diff
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131 public WebHandler(String dir) { |
| 1135 | 132 if( sitesDir != null ) |
| 133 throw new RuntimeException("already set"); | |
| 134 if( !new File(dir).exists() ) | |
| 135 throw new RuntimeException(); | |
| 1230 | 136 sitesDir = dir; |
| 1454 | 137 LuanLogger.initThreadLogging(); |
| 1135 | 138 } |
| 139 | |
| 1315 | 140 @Override public Response handle(Request request) { |
| 141 return domainHandler.handle(request); | |
| 1135 | 142 } |
| 143 | |
| 1578 | 144 public static Object callSite(String domain,String fnName,Object... args) throws LuanException { |
| 1598 | 145 MyHandler handler = (MyHandler)domainHandler.getHandler(domain); |
| 146 return handler.luanHandler.call_rpc(fnName,args); | |
| 1135 | 147 } |
| 148 | |
| 1315 | 149 public static void removeHandler(String domain) { |
| 150 domainHandler.removeHandler(domain); | |
| 1135 | 151 } |
| 152 | |
| 1763 | 153 public static void moveTo(String domain,String toDomain,String password) throws LuanException, IOException { |
| 154 toDomain = toDomain.toLowerCase(); | |
| 155 File fromDir = new File(sitesDir,domain); | |
| 156 File toDir = new File(sitesDir,toDomain); | |
| 157 synchronized(domain) { | |
| 158 if( !fromDir.exists() ) | |
| 159 throw new LuanException("domain not found"); | |
| 160 if( toDir.exists() ) | |
| 161 throw new LuanException("new_domain already exists"); | |
| 162 callSite(domain,"close_lucene",password); | |
| 163 removeHandler(domain); | |
| 164 IoUtils.move(fromDir,toDir); | |
| 165 } | |
| 166 loadHandler(toDomain); | |
| 167 } | |
| 168 | |
| 1330 | 169 public static void loadHandler(String domain) throws LuanException { |
| 170 try { | |
| 171 domainHandler.getHandler(domain); | |
| 172 } catch(LuanRuntimeException e) { | |
| 1335 | 173 throw (LuanException)e.getCause(); |
| 1330 | 174 } |
| 1135 | 175 } |
| 176 | |
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177 private static final void security(Luan luan,String dir) { |
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178 final String siteUri = "file:" + dir + "/site"; |
| 1330 | 179 Luan.Security security = new Luan.Security() { |
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180 public void check(Luan luan,LuanClosure closure,String op,Object... args) |
| 1330 | 181 throws LuanException |
| 182 { | |
| 183 if( op.equals("uri") ) { | |
| 184 String name = (String)args[0]; | |
| 185 if( name.startsWith("file:") ) { | |
| 186 if( name.contains("..") ) | |
| 187 throw new LuanException("Security violation - '"+name+"' contains '..'"); | |
| 188 if( !(name.equals(siteUri) || name.startsWith(siteUri+"/")) ) | |
| 189 throw new LuanException("Security violation - '"+name+"' outside of site dir"); | |
| 190 } | |
| 191 else if( name.startsWith("classpath:luan/host/") ) { | |
| 192 throw new LuanException("Security violation"); | |
| 193 } | |
| 194 else if( name.startsWith("os:") || name.startsWith("bash:") ) { | |
| 195 throw new LuanException("Security violation"); | |
| 196 } | |
| 197 } else { | |
| 198 String name = closure.sourceName; | |
| 199 if( !( | |
| 200 name.startsWith("luan:") | |
| 201 || name.startsWith("classpath:") | |
| 202 || name.matches("^file:[^/]+$") | |
| 203 ) ) | |
| 204 throw new LuanException("Security violation - only luan:* modules can load Java"); | |
| 205 if( name.equals("luan:logging/Logging") ) | |
| 206 throw new LuanException("Security violation - cannot reload Logging"); | |
| 1135 | 207 } |
| 208 } | |
| 209 }; | |
| 1330 | 210 Luan.setSecurity(luan,security); |
| 1135 | 211 } |
| 212 | |
| 1766 | 213 |
| 214 private static final Set<MyHandler> dontGc = Collections.newSetFromMap(new ConcurrentHashMap<MyHandler,Boolean>()); | |
| 215 private static final Method dontGcMethod; | |
| 216 static { | |
| 217 try { | |
| 218 dontGcMethod = WebHandler.Fns.class.getMethod( "dont_gc" ); | |
| 219 } catch(NoSuchMethodException e) { | |
| 220 throw new RuntimeException(e); | |
| 221 } | |
| 222 } | |
| 223 public static final class Fns { | |
| 224 private Reference<MyHandler> ref = null; | |
| 225 private boolean dont = false; | |
| 226 | |
| 227 private void set(MyHandler myHandler) { | |
| 228 if( dont ) { | |
| 229 dontGc.add(myHandler); | |
| 230 } else { | |
| 231 ref = new WeakReference<MyHandler>(myHandler); | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 public void dont_gc() throws LuanException { | |
| 236 logger.info("dont_gc"); | |
| 237 if( ref == null ) { | |
| 238 dont = true; | |
| 239 } else { | |
| 240 MyHandler mh = ref.get(); | |
| 241 if( mh == null ) | |
| 242 throw new LuanException("HTTP handler has been garbage collected"); | |
| 243 dontGc.add(mh); | |
| 244 } | |
| 245 } | |
| 246 } | |
| 247 | |
| 1135 | 248 } |