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comparison src/luan/modules/url/WwwAuthenticate.java @ 1317:c286c1e36b81

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add client digest authentication
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 01 Feb 2019 03:46:56 -0700
parents
children 27efb1fcbcb5
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1316:11d3640e739d 1317:c286c1e36b81
1 package luan.modules.url;
2
3 import java.util.Map;
4 import java.util.HashMap;
5 import luan.lib.parser.Parser;
6 import luan.lib.parser.ParseException;
7
8
9 public final class WwwAuthenticate {
10 public final String type;
11 public final Map<String,String> options = new HashMap<String,String>();
12 private final Parser parser;
13
14 public WwwAuthenticate(String header) throws ParseException {
15 parser = new Parser(header);
16 type = parseType();
17 if( !matchSpace() )
18 throw new ParseException(parser,"space expected");
19 do {
20 while( matchSpace() );
21 int start = parser.currentIndex();
22 while( parser.inCharRange('a','z') );
23 String name = parser.textFrom(start);
24 if( name.length() == 0 )
25 throw new ParseException(parser,"option name not found");
26 if( !parser.match('=') )
27 throw new ParseException(parser,"'=' expected");
28 if( !parser.match('"') )
29 throw new ParseException(parser,"'\"' expected");
30 start = parser.currentIndex();
31 while( !parser.test('"') ) {
32 if( !parser.anyChar() )
33 throw new ParseException(parser,"unexpected end of text");
34 }
35 String value = parser.textFrom(start);
36 if( !parser.match('"') )
37 throw new ParseException(parser,"'\"' expected");
38 options.put(name,value);
39 while( matchSpace() );
40 } while( parser.match(',') );
41 if( !parser.endOfInput() )
42 throw new ParseException(parser,"unexpected input");
43 }
44
45 private String parseType() throws ParseException {
46 if( parser.match("Basic") )
47 return "Basic";
48 if( parser.match("Digest") )
49 return "Digest";
50 throw new ParseException(parser,"invalid type");
51 }
52
53 private boolean matchSpace() {
54 return parser.anyOf(" \t\r\n");
55 }
56 }