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comparison src/luan/webserver/RequestParser.java @ 1147:30d87b7d1d62

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webserver - support multipart/form-data
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 01 Feb 2018 22:06:37 -0700
parents 2dda3c92a473
children 49fb4e83484f
comparison
equal deleted inserted replaced
1146:2dda3c92a473 1147:30d87b7d1d62
13 RequestParser(Request request) { 13 RequestParser(Request request) {
14 this.request = request; 14 this.request = request;
15 } 15 }
16 16
17 void parseUrlencoded() throws ParseException { 17 void parseUrlencoded() throws ParseException {
18 this.parser = new Parser(request.body); 18 this.parser = new Parser(Util.toString(request.body));
19 parseQuery(); 19 parseQuery();
20 require( parser.endOfInput() ); 20 require( parser.endOfInput() );
21 } 21 }
22 22
23 void parseHead() throws ParseException { 23 void parseHead() throws ParseException {
193 return; 193 return;
194 require( parser.match("; ") ); 194 require( parser.match("; ") );
195 } 195 }
196 } 196 }
197 197
198
199 private static final String contentTypeStart = "multipart/form-data; boundary=";
200
201 void parseMultipart() throws ParseException {
202 String contentType = (String)request.headers.get("Content-Type");
203 if( !contentType.startsWith(contentTypeStart) )
204 throw new RuntimeException(contentType);
205 String boundary = "--"+contentType.substring(contentTypeStart.length());
206 this.parser = new Parser(Util.toString(request.body));
207 require( parser.match(boundary) );
208 boundary = "\r\n" + boundary;
209 while( !parser.match("--\r\n") ) {
210 require( parser.match("\r\n") );
211 require( parser.match("Content-Disposition: form-data; name=") );
212 String name = quotedString();
213 String filename = null;
214 boolean isBinary = false;
215 if( parser.match("; filename=") ) {
216 filename = quotedString();
217 require( parser.match("\r\n") );
218 require( parser.match("Content-Type: ") );
219 if( parser.match("application/octet-stream") ) {
220 isBinary = true;
221 } else if( parser.match("text/plain") ) {
222 isBinary = false;
223 } else
224 throw new ParseException(parser,"bad file content-type");
225 }
226 require( parser.match("\r\n") );
227 require( parser.match("\r\n") );
228 int start = parser.currentIndex();
229 while( !parser.test(boundary) ) {
230 require( parser.anyChar() );
231 }
232 String value = parser.textFrom(start);
233 if( filename == null ) {
234 Util.add(request.parameters,name,value);
235 } else {
236 Object content = isBinary ? Util.toBytes(value) : value;
237 Request.MultipartFile mf = new Request.MultipartFile(filename,content);
238 Util.add(request.parameters,name,mf);
239 }
240 require( parser.match(boundary) );
241 }
242 }
243
244 private String quotedString() throws ParseException {
245 StringBuilder sb = new StringBuilder();
246 require( parser.match('"') );
247 while( !parser.match('"') ) {
248 if( parser.match("\\\"") ) {
249 sb.append('"');
250 } else {
251 require( parser.anyChar() );
252 sb.append( parser.lastChar() );
253 }
254 }
255 return sb.toString();
256 }
257
198 } 258 }