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