|
1
18
19 package jcifs.http;
20
21 import java.io.*;
22 import javax.servlet.*;
23 import javax.servlet.http.*;
24 import java.util.*;
25 import java.text.SimpleDateFormat  ;
26 import java.net.UnknownHostException ;
27 import jcifs.*;
28 import jcifs.http.*;
29 import jcifs.smb.*;
30 import jcifs.netbios.NbtAddress;
31 import jcifs.util.MimeMap;
32 import jcifs.util.Base64;
33 import jcifs.util.LogStream;
34
35
41
42 public class NetworkExplorer extends HttpServlet {
43
44 private static LogStream log = LogStream.getInstance();
45
46 private MimeMap mimeMap;
47 private String style;
48 private NtlmSsp ntlmSsp;
49 private boolean credentialsSupplied;
50 private boolean enableBasic;
51 private boolean insecureBasic;
52 private String realm, defaultDomain;
53
54 public void init() throws ServletException {
55 InputStream is;
56 StringBuffer sb = new StringBuffer ();
57 byte[] buf = new byte[1024];
58 int n, level;
59 String name;
60
61 Config.setProperty( "jcifs.smb.client.soTimeout", "600000" );
62 Config.setProperty( "jcifs.smb.client.attrExpirationPeriod", "300000" );
63
64 Enumeration e = getInitParameterNames();
65 while( e.hasMoreElements() ) {
66 name = (String )e.nextElement();
67 if( name.startsWith( "jcifs." )) {
68 Config.setProperty( name, getInitParameter( name ));
69 }
70 }
71
72 if( Config.getProperty( "jcifs.smb.client.username" ) == null ) {
73 ntlmSsp = new NtlmSsp();
74 } else {
75 credentialsSupplied = true;
76 }
77
78 try {
79 mimeMap = new MimeMap();
80 is = getClass().getClassLoader().getResourceAsStream( "jcifs/http/ne.css" );
81 while(( n = is.read( buf )) != -1 ) {
82 sb.append( new String ( buf, 0, n, "ISO8859_1" ));
83 }
84 style = sb.toString();
85 } catch( IOException ioe ) {
86 throw new ServletException( ioe.getMessage() );
87 }
88
89 enableBasic = Config.getBoolean("jcifs.http.enableBasic", false );
90 insecureBasic = Config.getBoolean("jcifs.http.insecureBasic", false );
91 realm = Config.getProperty("jcifs.http.basicRealm");
92 if (realm == null) realm = "jCIFS";
93 defaultDomain = Config.getProperty("jcifs.smb.client.domain");
94
95 if(( level = Config.getInt( "jcifs.util.loglevel", -1 )) != -1 ) {
96 LogStream.setLevel( level );
97 }
98 if( log.level > 2 ) {
99 try {
100 Config.store( log, "JCIFS PROPERTIES" );
101 } catch( IOException ioe ) {
102 }
103 }
104 }
105
106 protected void doFile( HttpServletRequest req,
107 HttpServletResponse resp, SmbFile file ) throws IOException {
108 byte[] buf = new byte[8192];
109 SmbFileInputStream in;
110 ServletOutputStream out;
111 String url, type;
112 int n;
113
114 in = new SmbFileInputStream( file );
115 out = resp.getOutputStream();
116 url = file.getPath();
117
118 resp.setContentType( "text/plain" );
119
120 if(( n = url.lastIndexOf( '.' )) > 0 &&
121 ( type = url.substring( n + 1 )) != null &&
122 type.length() > 1 && type.length() < 6 ) {
123 resp.setContentType( mimeMap.getMimeType( type ));
124 }
125 resp.setHeader( "Content-Length", file.length() + "" );
126 resp.setHeader( "Accept-Ranges", "Bytes" );
127
128 while(( n = in.read( buf )) != -1 ) {
129 out.write( buf, 0, n );
130 }
131 }
132 protected int compareNames( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
133 if( f1.isDirectory() != f2.isDirectory() ) {
134 return f1.isDirectory() ? -1 : 1;
135 }
136 return f1name.compareToIgnoreCase( f2.getName() );
137 }
138 protected int compareSizes( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
139 long diff;
140
141 if( f1.isDirectory() != f2.isDirectory() ) {
142 return f1.isDirectory() ? -1 : 1;
143 }
144 if( f1.isDirectory() ) {
145 return f1name.compareToIgnoreCase( f2.getName() );
146 }
147 diff = f1.length() - f2.length();
148 if( diff == 0 ) {
149 return f1name.compareToIgnoreCase( f2.getName() );
150 }
151 return diff > 0 ? -1 : 1;
152 }
153 protected int compareTypes( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
154 String f2name, t1, t2;
155 int i;
156
157 if( f1.isDirectory() != f2.isDirectory() ) {
158 return f1.isDirectory() ? -1 : 1;
159 }
160 f2name = f2.getName();
161 if( f1.isDirectory() ) {
162 return f1name.compareToIgnoreCase( f2name );
163 }
164 i = f1name.lastIndexOf( '.' );
165 t1 = i == -1 ? "" : f1name.substring( i + 1 );
166 i = f2name.lastIndexOf( '.' );
167 t2 = i == -1 ? "" : f2name.substring( i + 1 );
168
169 i = t1.compareToIgnoreCase( t2 );
170 if( i == 0 ) {
171 return f1name.compareToIgnoreCase( f2name );
172 }
173 return i;
174 }
175 protected int compareDates( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
176 if( f1.isDirectory() != f2.isDirectory() ) {
177 return f1.isDirectory() ? -1 : 1;
178 }
179 if( f1.isDirectory() ) {
180 return f1name.compareToIgnoreCase( f2.getName() );
181 }
182 return f1.lastModified() > f2.lastModified() ? -1 : 1;
183 }
184 protected void doDirectory( HttpServletRequest req, HttpServletResponse resp, SmbFile dir ) throws IOException {
185 PrintWriter out;
186 SmbFile[] dirents;
187 SmbFile f;
188 int i, j, len, maxLen, dirCount, fileCount, sort;
189 String str, name, path, fmt;
190 LinkedList sorted;
191 ListIterator iter;
192 SimpleDateFormat sdf = new SimpleDateFormat ( "MM/d/yy h:mm a" );
193 GregorianCalendar cal = new GregorianCalendar();
194
195 sdf.setCalendar( cal );
196
197 dirents = dir.listFiles();
198 if( log.level > 2 )
199 log.println( dirents.length + " items listed" );
200 sorted = new LinkedList();
201 if(( fmt = req.getParameter( "fmt" )) == null ) {
202 fmt = "col";
203 }
204 sort = 0;
205 if(( str = req.getParameter( "sort" )) == null || str.equals( "name" )) {
206 sort = 0;
207 } else if( str.equals( "size" )) {
208 sort = 1;
209 } else if( str.equals( "type" )) {
210 sort = 2;
211 } else if( str.equals( "date" )) {
212 sort = 3;
213 }
214 dirCount = fileCount = 0;
215 maxLen = 28;
216 for( i = 0; i < dirents.length; i++ ) {
217 try {
218 if( dirents[i].getType() == SmbFile.TYPE_NAMED_PIPE ) {
219 continue;
220 }
221 } catch( SmbAuthException sae ) {
222 if( log.level > 2 )
223 sae.printStackTrace( log );
224 } catch( SmbException se ) {
225 if( log.level > 2 )
226 se.printStackTrace( log );
227 if( se.getNtStatus() != se.NT_STATUS_UNSUCCESSFUL ) {
228 throw se;
229 }
230 }
231 if( dirents[i].isDirectory() ) {
232 dirCount++;
233 } else {
234 fileCount++;
235 }
236
237 name = dirents[i].getName();
238 if( log.level > 3 )
239 log.println( i + ": " + name );
240 len = name.length();
241 if( len > maxLen ) {
242 maxLen = len;
243 }
244
245 iter = sorted.listIterator();
246 for( j = 0; iter.hasNext(); j++ ) {
247 if( sort == 0 ) {
248 if( compareNames( dirents[i], name, (SmbFile)iter.next() ) < 0 ) {
249 break;
250 }
251 } else if( sort == 1 ) {
252 if( compareSizes( dirents[i], name, (SmbFile)iter.next() ) < 0 ) {
253 break;
254 }
255 } else if( sort == 2 ) {
256 if( compareTypes( dirents[i], name, (SmbFile)iter.next() ) < 0 ) {
257 break;
258 }
259 } else if( sort == 3 ) {
260 if( compareDates( dirents[i], name, (SmbFile)iter.next() ) < 0 ) {
261 break;
262 }
263 }
264 }
265 sorted.add( j, dirents[i] );
266 }
267 if( maxLen > 50 ) {
268 maxLen = 50;
269 }
270 maxLen *= 9;
271
272 out = resp.getWriter();
273
274 resp.setContentType( "text/html" );
275
276 out.println( "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">" );
277 out.println( "<html><head><title>Network Explorer</title>" );
278 out.println( "<meta HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">" );
279 out.println( "<style TYPE=\"text/css\">" );
280
281 out.println( style );
282
283 if( dirents.length < 200 ) {
284 out.println( " a:hover {" );
285 out.println( " background: #a2ff01;" );
286 out.println( " }" );
287 }
288
289 out.println( "</STYLE>" );
290 out.println( "</head><body>" );
291
292 out.print( "<a class=\"sort\" style=\"width: " + maxLen + ";\" HREF=\"?fmt=detail&sort=name\">Name</a>" );
293 out.println( "<a class=\"sort\" HREF=\"?fmt=detail&sort=size\">Size</a>" );
294 out.println( "<a class=\"sort\" HREF=\"?fmt=detail&sort=type\">Type</a>" );
295 out.println( "<a class=\"sort\" style=\"width: 180\" HREF=\"?fmt=detail&sort=date\">Modified</a><br clear='all'><p>" );
296
297 path = dir.getCanonicalPath();
298
299 if( path.length() < 7 ) {
300 out.println( "<b><big>smb://</big></b><br>" );
301 path = ".";
302 } else {
303 out.println( "<b><big>" + path + "</big></b><br>" );
304 path = "../";
305 }
306 out.println( (dirCount + fileCount) + " objects (" + dirCount + " directories, " + fileCount + " files)<br>" );
307 out.println( "<b><a class=\"plain\" HREF=\".\">normal</a> | <a class=\"plain\" HREF=\"?fmt=detail\">detailed</a></b>" );
308 out.println( "<p><table border='0' cellspacing='0' cellpadding='0'><tr><td>" );
309
310 out.print( "<A style=\"width: " + maxLen );
311 out.print( "; height: 18;\" HREF=\"" );
312 out.print( path );
313 out.println( "\"><b>↑</b></a>" );
314 if( fmt.equals( "detail" )) {
315 out.println( "<br clear='all'>" );
316 }
317
318 if( path.length() == 1 || dir.getType() != SmbFile.TYPE_WORKGROUP ) {
319 path = "";
320 }
321
322 iter = sorted.listIterator();
323 while( iter.hasNext() ) {
324 f = (SmbFile)iter.next();
325 name = f.getName();
326
327 if( fmt.equals( "detail" )) {
328 out.print( "<A style=\"width: " + maxLen );
329 out.print( "; height: 18;\" HREF=\"" );
330 out.print( path );
331 out.print( name );
332
333 if( f.isDirectory() ) {
334 out.print( "?fmt=detail\"><b>" );
335 out.print( name );
336 out.print( "</b></a>" );
337 } else {
338 out.print( "\"><b>" );
339 out.print( name );
340 out.print( "</b></a><div align='right'>" );
341 out.print( (f.length() / 1024) + " KB </div><div>" );
342 i = name.lastIndexOf( '.' ) + 1;
343 if( i > 1 && (name.length() - i) < 6 ) {
344 out.print( name.substring( i ).toUpperCase() + "</div class='ext'>" );
345 } else {
346 out.print( " </div>" );
347 }
348 out.print( "<div style='width: 180'>" );
349 out.print( sdf.format( new Date( f.lastModified() )));
350 out.print( "</div>" );
351 }
352 out.println( "<br clear='all'>" );
353 } else {
354 out.print( "<A style=\"width: " + maxLen );
355 if( f.isDirectory() ) {
356 out.print( "; height: 18;\" HREF=\"" );
357 out.print( path );
358 out.print( name );
359 out.print( "\"><b>" );
360 out.print( name );
361 out.print( "</b></a>" );
362 } else {
363 out.print( ";\" HREF=\"" );
364 out.print( path );
365 out.print( name );
366 out.print( "\"><b>" );
367 out.print( name );
368 out.print( "</b><br><small>" );
369 out.print( (f.length() / 1024) + "KB <br>" );
370 out.print( sdf.format( new Date( f.lastModified() )));
371 out.print( "</small>" );
372 out.println( "</a>" );
373 }
374 }
375 }
376
377 out.println( "</td></tr></table>" );
378 out.println( "</BODY></HTML>" );
379 out.close();
380 }
381 private String parseServerAndShare( String pathInfo ) {
382 char[] out = new char[256];
383 char ch;
384 int len, p, i;
385
386 if( pathInfo == null ) {
387 return null;
388 }
389 len = pathInfo.length();
390
391 p = i = 0;
392 while( p < len && pathInfo.charAt( p ) == '/' ) {
393 p++;
394 }
395 if( p == len ) {
396 return null;
397 }
398
399
400 while ( p < len && ( ch = pathInfo.charAt( p )) != '/' ) {
401 out[i++] = ch;
402 p++;
403 }
404 while( p < len && pathInfo.charAt( p ) == '/' ) {
405 p++;
406 }
407 if( p < len ) {
408 out[i++] = '/';
409 do {
410 out[i++] = (ch = pathInfo.charAt( p++ ));
411 } while( p < len && ch != '/' );
412 }
413 return new String ( out, 0, i );
414 }
415 public void doGet( HttpServletRequest req,
416 HttpServletResponse resp ) throws IOException, ServletException {
417 UniAddress dc;
418 String msg, pathInfo, server = null;
419 boolean offerBasic, possibleWorkgroup = true;
420 NtlmPasswordAuthentication ntlm = null;
421 HttpSession ssn = req.getSession( false );
422
423 if(( pathInfo = req.getPathInfo() ) != null ) {
424 int i;
425 server = parseServerAndShare( pathInfo );
426 if( server != null && ( i = server.indexOf( '/' )) > 0 ) {
427 server = server.substring( 0, i ).toLowerCase();
428 possibleWorkgroup = false;
429 }
430 }
431
432 msg = req.getHeader( "Authorization" );
433 offerBasic = enableBasic && (insecureBasic || req.isSecure());
434
435 if( msg != null && (msg.startsWith( "NTLM " ) ||
436 (offerBasic && msg.startsWith("Basic ")))) {
437
438 if( msg.startsWith("NTLM ")) {
439 byte[] challenge;
440
441 if( pathInfo == null || server == null ) {
442 String mb = NbtAddress.getByName( NbtAddress.MASTER_BROWSER_NAME, 0x01, null ).getHostAddress();
443 dc = UniAddress.getByName( mb );
444 } else {
445 dc = UniAddress.getByName( server, possibleWorkgroup );
446 }
447
448 req.getSession();
449 challenge = SmbSession.getChallenge( dc );
450 if(( ntlm = NtlmSsp.authenticate( req, resp, challenge )) == null ) {
451 return;
452 }
453 } else {
454 String auth = new String ( Base64.decode( msg.substring(6) ), "US-ASCII" );
455 int index = auth.indexOf( ':' );
456 String user = (index != -1) ? auth.substring(0, index) : auth;
457 String password = (index != -1) ? auth.substring(index + 1) : "";
458 index = user.indexOf('\\');
459 if (index == -1) index = user.indexOf('/');
460 String domain = (index != -1) ? user.substring(0, index) : defaultDomain;
461 user = (index != -1) ? user.substring(index + 1) : user;
462 ntlm = new NtlmPasswordAuthentication(domain, user, password);
463 }
464
465 req.getSession().setAttribute( "npa-" + server, ntlm );
466
467 } else if( !credentialsSupplied ) {
468 if( ssn != null ) {
469 ntlm = (NtlmPasswordAuthentication)ssn.getAttribute( "npa-" + server );
470 }
471 if( ntlm == null ) {
472 resp.setHeader( "WWW-Authenticate", "NTLM" );
473 if (offerBasic) {
474 resp.addHeader( "WWW-Authenticate", "Basic realm=\"" + realm + "\"");
475 }
476 resp.setHeader( "Connection", "close" );
477 resp.setStatus( HttpServletResponse.SC_UNAUTHORIZED );
478 resp.flushBuffer();
479 return;
480 }
481 }
482
483 try {
484 SmbFile file;
485
486 if( ntlm != null ) {
487 file = new SmbFile( "smb:/" + pathInfo , ntlm );
488 } else if( server == null ) {
489 file = new SmbFile( "smb://" );
490 } else {
491 file = new SmbFile( "smb:/" + pathInfo );
492 }
493
494 if( file.isDirectory() ) {
495 doDirectory( req, resp, file );
496 } else {
497 doFile( req, resp, file );
498 }
499 } catch( SmbAuthException sae ) {
500 if( ssn != null ) {
501 ssn.removeAttribute( "npa-" + server );
502 }
503 if( sae.getNtStatus() == sae.NT_STATUS_ACCESS_VIOLATION ) {
504
507 resp.sendRedirect( req.getRequestURL().toString() );
508 return;
509 }
510 resp.setHeader( "WWW-Authenticate", "NTLM" );
511 if (offerBasic) {
512 resp.addHeader( "WWW-Authenticate", "Basic realm=\"" + realm + "\"");
513 }
514 resp.setHeader( "Connection", "close" );
515 resp.setStatus( HttpServletResponse.SC_UNAUTHORIZED );
516 resp.flushBuffer();
517 return;
518 } catch( DfsReferral dr ) {
519 StringBuffer redir = req.getRequestURL();
520 String qs = req.getQueryString();
521 redir = new StringBuffer ( redir.substring( 0, redir.length() - req.getPathInfo().length() ));
522 redir.append( dr.node.replace( '\\', '/' ));
523 redir.append( '/' );
524 if( qs != null ) {
525 redir.append( req.getQueryString() );
526 }
527 resp.sendRedirect( redir.toString() );
528 resp.flushBuffer();
529 return;
530 }
531 }
532 }
533
534 |
Popular Tags |
Java API By Example, From Geeks To Geeks.