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1
18
19 package com.knowgate.jcifs.http;
20
21 import java.util.Enumeration  ;
22 import java.util.LinkedList ;
23 import java.util.ListIterator ;
24 import java.util.Date ;
25 import java.util.GregorianCalendar ;
26
27 import java.io.IOException ;
28 import java.io.InputStream ;
29 import java.io.PrintWriter ;
30
31 import javax.servlet.*;
32 import javax.servlet.http.*;
33
34 import java.text.SimpleDateFormat ;
35 import java.net.UnknownHostException ;
36
37 import com.knowgate.jcifs.Config;
38 import com.knowgate.jcifs.UniAddress;
39 import com.knowgate.jcifs.ntlmssp.*;
40 import com.knowgate.jcifs.smb.SmbFile;
41 import com.knowgate.jcifs.smb.SmbFileInputStream;
42 import com.knowgate.jcifs.smb.NtlmPasswordAuthentication;
43 import com.knowgate.jcifs.smb.SmbException;
44 import com.knowgate.jcifs.smb.SmbAuthException;
45 import com.knowgate.jcifs.smb.SmbSession;
46 import com.knowgate.jcifs.smb.DfsReferral;
47 import com.knowgate.jcifs.netbios.NbtAddress;
48 import com.knowgate.jcifs.util.MimeMap;
49
50 import com.knowgate.misc.Base64Decoder;
51
52
61
62 public class NetworkExplorer extends HttpServlet {
63
64 private MimeMap mimeMap;
65 private String style;
66 private NtlmSsp ntlmSsp;
67 private boolean credentialsSupplied;
68 private boolean enableBasic;
69 private boolean insecureBasic;
70 private String realm, defaultDomain;
71
72 public void init() throws ServletException {
73 InputStream is;
74 StringBuffer sb = new StringBuffer ();
75 byte[] buf = new byte[1024];
76 int n;
77 String name;
78
79 Config.setProperty( "jcifs.smb.client.soTimeout", "600000" );
80 Config.setProperty( "jcifs.smb.client.attrExpirationPeriod", "300000" );
81
82 Enumeration e = getInitParameterNames();
83 while( e.hasMoreElements() ) {
84 name = (String )e.nextElement();
85 if( name.startsWith( "jcifs." )) {
86 Config.setProperty( name, getInitParameter( name ));
87 }
88 }
89
90 if( Config.getProperty( "jcifs.smb.client.username" ) == null ) {
91 ntlmSsp = new NtlmSsp();
92 } else {
93 credentialsSupplied = true;
94 }
95
96 try {
97 mimeMap = new MimeMap();
98 is = getClass().getClassLoader().getResourceAsStream( "jcifs/http/ne.css" );
99 while(( n = is.read( buf )) != -1 ) {
100 sb.append( new String ( buf, 0, n, "ISO8859_1" ));
101 }
102 style = sb.toString();
103 } catch( IOException ioe ) {
104 throw new ServletException( ioe.getMessage() );
105 }
106
107 enableBasic = Config.getBoolean("jcifs.http.enableBasic", false );
108 insecureBasic = Config.getBoolean("jcifs.http.insecureBasic", false );
109 realm = Config.getProperty("jcifs.http.basicRealm");
110 if (realm == null) realm = "jCIFS";
111 defaultDomain = Config.getProperty("jcifs.smb.client.domain");
112 }
113
114 protected void doFile( HttpServletRequest req,
115 HttpServletResponse resp, SmbFile file ) throws IOException {
116 byte[] buf = new byte[8192];
117 SmbFileInputStream in;
118 ServletOutputStream out;
119 String url, type;
120 int n;
121
122 in = new SmbFileInputStream( file );
123 out = resp.getOutputStream();
124 url = file.getPath();
125
126 resp.setContentType( "text/plain" );
127
128 if(( n = url.lastIndexOf( '.' )) > 0 &&
129 ( type = url.substring( n + 1 )) != null &&
130 type.length() > 1 && type.length() < 6 ) {
131 resp.setContentType( mimeMap.getMimeType( type ));
132 }
133 resp.setHeader( "Content-Length", file.length() + "" );
134 resp.setHeader( "Accept-Ranges", "Bytes" );
135
136 while(( n = in.read( buf )) != -1 ) {
137 out.write( buf, 0, n );
138 }
139 }
140 protected int compareNames( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
141 if( f1.isDirectory() != f2.isDirectory() ) {
142 return f1.isDirectory() ? -1 : 1;
143 }
144 return f1name.compareToIgnoreCase( f2.getName() );
145 }
146 protected int compareSizes( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
147 long diff;
148
149 if( f1.isDirectory() != f2.isDirectory() ) {
150 return f1.isDirectory() ? -1 : 1;
151 }
152 if( f1.isDirectory() ) {
153 return f1name.compareToIgnoreCase( f2.getName() );
154 }
155 diff = f1.length() - f2.length();
156 if( diff == 0 ) {
157 return f1name.compareToIgnoreCase( f2.getName() );
158 }
159 return diff > 0 ? -1 : 1;
160 }
161 protected int compareTypes( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
162 String f2name, t1, t2;
163 int i;
164
165 if( f1.isDirectory() != f2.isDirectory() ) {
166 return f1.isDirectory() ? -1 : 1;
167 }
168 f2name = f2.getName();
169 if( f1.isDirectory() ) {
170 return f1name.compareToIgnoreCase( f2name );
171 }
172 i = f1name.lastIndexOf( '.' );
173 t1 = i == -1 ? "" : f1name.substring( i + 1 );
174 i = f2name.lastIndexOf( '.' );
175 t2 = i == -1 ? "" : f2name.substring( i + 1 );
176
177 i = t1.compareToIgnoreCase( t2 );
178 if( i == 0 ) {
179 return f1name.compareToIgnoreCase( f2name );
180 }
181 return i;
182 }
183 protected int compareDates( SmbFile f1, String f1name, SmbFile f2 ) throws IOException {
184 if( f1.isDirectory() != f2.isDirectory() ) {
185 return f1.isDirectory() ? -1 : 1;
186 }
187 if( f1.isDirectory() ) {
188 return f1name.compareToIgnoreCase( f2.getName() );
189 }
190 return f1.lastModified() > f2.lastModified() ? -1 : 1;
191 }
192 protected void doDirectory( HttpServletRequest req, HttpServletResponse resp, SmbFile dir ) throws IOException {
193 PrintWriter out;
194 SmbFile[] dirents;
195 SmbFile f;
196 int i, j, len, maxLen, dirCount, fileCount, sort;
197 String str, name, path, fmt;
198 LinkedList sorted;
199 ListIterator iter;
200 SimpleDateFormat sdf = new SimpleDateFormat ( "MM/d/yy h:mm a" );
201 GregorianCalendar cal = new GregorianCalendar ();
202
203 sdf.setCalendar( cal );
204
205 dirents = dir.listFiles();
206 sorted = new LinkedList ();
207 if(( fmt = req.getParameter( "fmt" )) == null ) {
208 fmt = "col";
209 }
210 sort = 0;
211 if(( str = req.getParameter( "sort" )) == null || str.equals( "name" )) {
212 sort = 0;
213 } else if( str.equals( "size" )) {
214 sort = 1;
215 } else if( str.equals( "type" )) {
216 sort = 2;
217 } else if( str.equals( "date" )) {
218 sort = 3;
219 }
220 dirCount = fileCount = 0;
221 maxLen = 28;
222 for( i = 0; i < dirents.length; i++ ) {
223 try {
224 if( dirents[i].getType() == SmbFile.TYPE_NAMED_PIPE ) {
225 continue;
226 }
227 } catch( SmbAuthException sae ) {
228 } catch( SmbException se ) {
229 if( se.getNtStatus() != se.NT_STATUS_UNSUCCESSFUL ) {
230 throw se;
231 }
232 }
233 if( dirents[i].isDirectory() ) {
234 dirCount++;
235 } else {
236 fileCount++;
237 }
238
239 name = dirents[i].getName();
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 ( Base64Decoder.decodeToBytes(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 |
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