Mercurial Hosting > luan
annotate src/luan/host/WebHandler.java @ 1336:7483108154bb
minor logging
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Thu, 14 Feb 2019 05:22:22 -0700 |
| parents | e0cf0d108a77 |
| children | 8b61c8c4e07a |
| rev | line source |
|---|---|
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
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1 package luan.host; |
| 1135 | 2 |
| 3 import java.io.File; | |
| 4 import org.slf4j.Logger; | |
| 5 import org.slf4j.LoggerFactory; | |
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
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6 import luan.webserver.Handler; |
|
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
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7 import luan.webserver.Request; |
|
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
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8 import luan.webserver.Response; |
| 1315 | 9 import luan.webserver.handlers.DomainHandler; |
| 1330 | 10 import luan.Luan; |
| 1135 | 11 import luan.LuanException; |
| 12 import luan.LuanTable; | |
| 1330 | 13 import luan.LuanFunction; |
| 14 import luan.LuanClosure; | |
| 1335 | 15 import luan.LuanRuntimeException; |
| 1330 | 16 import luan.modules.BasicLuan; |
|
1185
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parents:
1182
diff
changeset
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17 import luan.modules.http.LuanHandler; |
| 1332 | 18 import luan.modules.logging.Log4j; |
| 1135 | 19 |
| 20 | |
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
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21 public class WebHandler implements Handler { |
| 1135 | 22 private static final Logger logger = LoggerFactory.getLogger(WebHandler.class); |
| 23 | |
| 1315 | 24 private static final DomainHandler.Factory factory = new DomainHandler.Factory() { |
| 25 public Handler newHandler(String domain) { | |
| 26 File dir = new File(sitesDir,domain); | |
| 27 if( !dir.exists() /* && !recover(dir) */ ) | |
| 28 return null; | |
| 29 String dirStr = dir.toString(); | |
| 1230 | 30 |
| 1315 | 31 String logDir = dirStr + "/site/private/local/logs/web"; |
| 32 new File(logDir).mkdirs(); | |
| 1230 | 33 |
|
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parents:
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34 Luan luan = new Luan(); |
| 1336 | 35 Log4j.newLoggerRepository(luan); |
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36 initLuan(luan,dirStr,domain,true); |
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37 return new LuanHandler(luan); |
| 1230 | 38 } |
| 1315 | 39 }; |
| 1230 | 40 |
| 1330 | 41 public static String securityPassword = "password"; // change for security |
| 1315 | 42 private static final DomainHandler domainHandler = new DomainHandler(factory); |
| 1202 | 43 private static String sitesDir = null; |
| 1135 | 44 |
| 45 public static boolean isServing() { | |
| 46 return sitesDir != null; | |
| 47 } | |
| 48 | |
|
1185
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implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
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49 public WebHandler(String dir) { |
| 1135 | 50 if( sitesDir != null ) |
| 51 throw new RuntimeException("already set"); | |
| 52 if( !new File(dir).exists() ) | |
| 53 throw new RuntimeException(); | |
| 1230 | 54 sitesDir = dir; |
| 1135 | 55 } |
| 56 | |
| 1315 | 57 @Override public Response handle(Request request) { |
| 58 return domainHandler.handle(request); | |
| 1135 | 59 } |
| 60 | |
| 61 public static Object runLuan(String domain,String sourceText,String sourceName) throws LuanException { | |
| 1315 | 62 LuanHandler luanHandler = (LuanHandler)domainHandler.getHandler(domain); |
| 63 return luanHandler.runLuan(sourceText,sourceName); | |
| 1135 | 64 } |
| 65 | |
| 66 public static Object callSite(String domain,String fnName,Object... args) throws LuanException { | |
| 1315 | 67 LuanHandler luanHandler = (LuanHandler)domainHandler.getHandler(domain); |
| 68 return luanHandler.call_rpc(fnName,args); | |
| 1135 | 69 } |
| 70 | |
| 71 /* | |
| 72 private static boolean recover(File dir) { | |
| 73 File backups = new File(dir.getParentFile().getParentFile(),"backups"); | |
| 74 if( !backups.exists() ) | |
| 75 return false; | |
| 76 String name = dir.getName(); | |
| 77 File from = null; | |
| 78 for( File backup : backups.listFiles() ) { | |
| 79 File d = new File(backup,"current/"+name); | |
| 80 if( d.exists() && (from==null || from.lastModified() < d.lastModified()) ) | |
| 81 from = d; | |
| 82 } | |
| 83 if( from == null ) | |
| 84 return false; | |
| 85 if( !from.renameTo(dir) ) | |
| 86 throw new RuntimeException("couldn't rename "+from+" to "+dir); | |
| 87 logger.info("recovered "+name+" from "+from); | |
| 88 return true; | |
| 89 } | |
| 90 */ | |
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parents:
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diff
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91 static void initLuan(Luan luan,String dir,String domain,boolean logging) { |
| 1330 | 92 security(luan,dir); |
| 1135 | 93 try { |
| 1330 | 94 LuanFunction fn = BasicLuan.load_file(luan,"classpath:luan/host/init.luan"); |
| 1335 | 95 fn.call(dir,domain,logging); |
| 1135 | 96 } catch(LuanException e) { |
| 1330 | 97 throw new LuanRuntimeException(e); |
| 1135 | 98 } |
| 99 } | |
| 100 | |
| 1315 | 101 public static void removeHandler(String domain) { |
| 102 domainHandler.removeHandler(domain); | |
| 1135 | 103 } |
| 104 | |
| 1330 | 105 public static void loadHandler(String domain) throws LuanException { |
| 106 try { | |
| 107 domainHandler.getHandler(domain); | |
| 108 } catch(LuanRuntimeException e) { | |
| 1335 | 109 throw (LuanException)e.getCause(); |
| 1330 | 110 } |
| 1135 | 111 } |
| 112 | |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
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113 private static final void security(Luan luan,String dir) { |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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114 final String siteUri = "file:" + dir + "/site"; |
| 1330 | 115 Luan.Security security = new Luan.Security() { |
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parents:
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diff
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116 public void check(Luan luan,LuanClosure closure,String op,Object... args) |
| 1330 | 117 throws LuanException |
| 118 { | |
| 119 if( op.equals("uri") ) { | |
| 120 String name = (String)args[0]; | |
| 121 if( name.startsWith("file:") ) { | |
| 122 if( name.contains("..") ) | |
| 123 throw new LuanException("Security violation - '"+name+"' contains '..'"); | |
| 124 if( !(name.equals(siteUri) || name.startsWith(siteUri+"/")) ) | |
| 125 throw new LuanException("Security violation - '"+name+"' outside of site dir"); | |
| 126 } | |
| 127 else if( name.startsWith("classpath:luan/host/") ) { | |
| 128 throw new LuanException("Security violation"); | |
| 129 } | |
| 130 else if( name.startsWith("os:") || name.startsWith("bash:") ) { | |
| 131 throw new LuanException("Security violation"); | |
| 132 } | |
| 133 } else { | |
| 134 String name = closure.sourceName; | |
| 135 if( !( | |
| 136 name.startsWith("luan:") | |
| 137 || name.startsWith("classpath:") | |
| 138 || name.matches("^file:[^/]+$") | |
| 139 ) ) | |
| 140 throw new LuanException("Security violation - only luan:* modules can load Java"); | |
| 141 if( name.equals("luan:logging/Logging") ) | |
| 142 throw new LuanException("Security violation - cannot reload Logging"); | |
| 1135 | 143 } |
| 144 } | |
| 145 }; | |
| 1330 | 146 Luan.setSecurity(luan,security); |
| 1135 | 147 } |
| 148 | |
| 149 } |