Mercurial Hosting > luan
annotate src/luan/host/WebHandler.java @ 1315:5763597ca5c0
add DomainHandler
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Wed, 30 Jan 2019 01:21:49 -0700 |
| parents | 51a1987b55a3 |
| children | 307e76ccd0d6 |
| rev | line source |
|---|---|
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
|
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
|
6 import luan.webserver.Handler; |
|
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
|
7 import luan.webserver.Request; |
|
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
|
8 import luan.webserver.Response; |
| 1315 | 9 import luan.webserver.handlers.DomainHandler; |
| 1135 | 10 import luan.LuanState; |
| 11 import luan.LuanException; | |
| 12 import luan.LuanTable; | |
| 13 import luan.modules.IoLuan; | |
| 14 import luan.modules.JavaLuan; | |
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
|
15 import luan.modules.http.LuanHandler; |
| 1135 | 16 |
| 17 | |
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
|
18 public class WebHandler implements Handler { |
| 1135 | 19 private static final Logger logger = LoggerFactory.getLogger(WebHandler.class); |
| 20 | |
| 1315 | 21 private static final DomainHandler.Factory factory = new DomainHandler.Factory() { |
| 22 public Handler newHandler(String domain) { | |
| 23 File dir = new File(sitesDir,domain); | |
| 24 if( !dir.exists() /* && !recover(dir) */ ) | |
| 25 return null; | |
| 26 String dirStr = dir.toString(); | |
| 1230 | 27 |
| 1315 | 28 String logDir = dirStr + "/site/private/local/logs/web"; |
| 29 new File(logDir).mkdirs(); | |
| 1230 | 30 |
| 1315 | 31 LuanState luan = new LuanState(); |
| 32 LuanTable init = initLuan(luan,dirStr,domain); | |
| 33 String loggerRoot = (String)init.rawGet("logger_root"); | |
| 34 return new LuanHandler(luan,loggerRoot); | |
| 1230 | 35 } |
| 1315 | 36 }; |
| 1230 | 37 |
| 1202 | 38 public static String allowJavaFileName = "allow_java"; // change for security |
| 1315 | 39 private static final DomainHandler domainHandler = new DomainHandler(factory); |
| 1202 | 40 private static String sitesDir = null; |
| 1135 | 41 |
| 42 public static boolean isServing() { | |
| 43 return sitesDir != null; | |
| 44 } | |
| 45 | |
|
1185
94cf2576a922
implement WebHandler for nginx
Franklin Schmidt <fschmidt@gmail.com>
parents:
1182
diff
changeset
|
46 public WebHandler(String dir) { |
| 1135 | 47 if( sitesDir != null ) |
| 48 throw new RuntimeException("already set"); | |
| 49 if( !new File(dir).exists() ) | |
| 50 throw new RuntimeException(); | |
| 1230 | 51 sitesDir = dir; |
| 1135 | 52 } |
| 53 | |
| 1315 | 54 @Override public Response handle(Request request) { |
| 55 return domainHandler.handle(request); | |
| 1135 | 56 } |
| 57 | |
| 58 public static Object runLuan(String domain,String sourceText,String sourceName) throws LuanException { | |
| 1315 | 59 LuanHandler luanHandler = (LuanHandler)domainHandler.getHandler(domain); |
| 60 return luanHandler.runLuan(sourceText,sourceName); | |
| 1135 | 61 } |
| 62 | |
| 63 public static Object callSite(String domain,String fnName,Object... args) throws LuanException { | |
| 1315 | 64 LuanHandler luanHandler = (LuanHandler)domainHandler.getHandler(domain); |
| 65 return luanHandler.call_rpc(fnName,args); | |
| 1135 | 66 } |
| 67 | |
| 68 /* | |
| 69 private static boolean recover(File dir) { | |
| 70 File backups = new File(dir.getParentFile().getParentFile(),"backups"); | |
| 71 if( !backups.exists() ) | |
| 72 return false; | |
| 73 String name = dir.getName(); | |
| 74 File from = null; | |
| 75 for( File backup : backups.listFiles() ) { | |
| 76 File d = new File(backup,"current/"+name); | |
| 77 if( d.exists() && (from==null || from.lastModified() < d.lastModified()) ) | |
| 78 from = d; | |
| 79 } | |
| 80 if( from == null ) | |
| 81 return false; | |
| 82 if( !from.renameTo(dir) ) | |
| 83 throw new RuntimeException("couldn't rename "+from+" to "+dir); | |
| 84 logger.info("recovered "+name+" from "+from); | |
| 85 return true; | |
| 86 } | |
| 87 */ | |
| 88 static LuanTable initLuan(LuanState luan,String dir,String domain) { | |
| 89 LuanTable init; | |
| 90 try { | |
| 91 init = (LuanTable)luan.eval( | |
| 92 "local Luan = require 'luan:Luan.luan'\n" | |
| 93 +"local f = Luan.load_file 'classpath:luan/host/Init.luan'\n" | |
| 94 +"return f('"+dir+"','"+domain+"')\n" | |
| 95 ); | |
| 96 } catch(LuanException e) { | |
| 97 throw new RuntimeException(e); | |
| 98 } | |
| 99 File allowJavaFile = new File(dir,"site/private/"+allowJavaFileName); | |
| 100 if( !allowJavaFile.exists() ) { | |
| 101 JavaLuan.setSecurity( luan, javaSecurity ); | |
| 102 IoLuan.setSecurity( luan, ioSecurity(dir) ); | |
| 103 } | |
| 104 return init; | |
| 105 } | |
| 106 | |
| 1315 | 107 public static void removeHandler(String domain) { |
| 108 domainHandler.removeHandler(domain); | |
| 1135 | 109 } |
| 110 | |
| 111 public static void loadHandler(String domain) { | |
| 1315 | 112 domainHandler.getHandler(domain); |
| 1135 | 113 } |
| 114 | |
| 115 private static final IoLuan.Security ioSecurity(String dir) { | |
|
1174
bdf27aa2a65c
fix luanhost security bug
Franklin Schmidt <fschmidt@gmail.com>
parents:
1136
diff
changeset
|
116 final String siteUri = "file:" + dir + "/site"; |
| 1135 | 117 return new IoLuan.Security() { |
| 118 public void check(LuanState luan,String name) throws LuanException { | |
| 119 if( name.startsWith("file:") ) { | |
| 120 if( name.contains("..") ) | |
| 121 throw new LuanException("Security violation - '"+name+"' contains '..'"); | |
|
1174
bdf27aa2a65c
fix luanhost security bug
Franklin Schmidt <fschmidt@gmail.com>
parents:
1136
diff
changeset
|
122 if( !(name.equals(siteUri) || name.startsWith(siteUri+"/")) ) |
| 1135 | 123 throw new LuanException("Security violation - '"+name+"' outside of site dir"); |
| 124 } | |
| 125 else if( name.startsWith("classpath:luan/host/") ) { | |
| 126 throw new LuanException("Security violation"); | |
| 127 } | |
| 128 else if( name.startsWith("os:") || name.startsWith("bash:") ) { | |
| 129 throw new LuanException("Security violation"); | |
| 130 } | |
| 131 } | |
| 132 }; | |
| 133 } | |
| 134 | |
| 135 private static final JavaLuan.Security javaSecurity = new JavaLuan.Security() { | |
| 136 public void check(LuanState luan,String name) throws LuanException { | |
| 1238 | 137 if( !(name.startsWith("luan:") || name.matches("^file:[^/]+$")) ) |
| 1135 | 138 throw new LuanException("Security violation - only luan:* modules can load Java"); |
| 139 if( name.equals("luan:logging/Logging") ) | |
| 140 throw new LuanException("Security violation - cannot reload Logging"); | |
| 141 } | |
| 142 }; | |
| 143 } |