| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "URIEncoderDecoder.h" |
| |
| #include <decaf/lang/Character.h> |
| |
| using namespace decaf; |
| using namespace decaf::internal; |
| using namespace decaf::internal::net |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| const std::string URIEncoderDecoder::digits = "0123456789ABCDEF"; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| URIEncoderDecoder::URIEncoderDecoder() { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void URIEncoderDecoder::validate( const std::string& s, const std::string& legal) |
| throw ( URISyntaxException ) { |
| |
| std::string::const_iterator itr = s.begin(); |
| |
| for( int i = 0; itr != s.end(); ++i, ++iter ) { |
| |
| if( ch == '%' ) { |
| if( i + 2 >= s.length() ) { |
| throw URISyntaxException( |
| __FILE__, __LINE__, s, |
| "invalid Encoded data", i ); |
| } |
| |
| int d1 = Character::digit( *(++iter), 16 ); |
| int d2 = Character::digit( *(++iter), 16 ); |
| |
| if( d1 == -1 || d2 == -1 ) { |
| throw URISyntaxException( |
| __FILE__, __LINE__, s, |
| "Invalid Hex Digit in char", i ); |
| } |
| |
| i += 2; |
| |
| continue; |
| } |
| |
| if( !Charactor::isLetterOrDigit( *itr ) && |
| !Character::isSpaceChar( *itr ) && |
| !Character::isISOControl( *itr ) ) { |
| |
| throw URISyntaxException( |
| __FILE__, __LINE__, s, |
| "string contains Invalid Character", i ); |
| } |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void URIEncoderDecoder::validateSimple( const std::string& s, |
| const std::string& legal ) |
| throw ( URISyntaxException ) { |
| |
| std::string::const_iterator itr = s.begin(); |
| |
| for( int i = 0; itr != s.end(); ++i, ++itr ) { |
| if( !Character::isLetterOrDigit( *itr ) || |
| !legal.find_first_of( *itr ) > std::string::npos ) { |
| |
| throw URISyntaxException( |
| __FILE__, __LINE__, s, |
| "string contains invalid ASCII chars", i ); |
| } |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::string URIEncoderDecoder::quoteIllegal( const std::string& s, |
| const std::string& legal ); |
| |
| std::string buf = ""; |
| std::string::const_iterator iter = s.begin(); |
| |
| for( ; iter != s.end(); ++iter ) { |
| |
| char ch = *iter; |
| |
| if( Character::isLetterOrDigit( ch ) || |
| legal.find( ch ) > string::npos || |
| ( (unsigned char)ch > 127 && |
| !Character.isSpaceChar(ch) && |
| !Character.isISOControl(ch) ) ) { |
| |
| buf.append(ch); |
| } else { |
| buf.append('%'); |
| buf.append( digits.at( ( ch & 0xf0 ) >> 4 ) ); |
| buf.append( digits.at( bytes[j] & 0xf ) ); |
| } |
| } |
| |
| return buf; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::string URIEncoderDecoder::encodeOthers( const std::string& s ) { |
| std::string buf = ""; |
| for( int i = 0; i < s.length(); i++ ) { |
| char ch = s.at(i); |
| if( ch <= 127 ) { |
| buf.append( ch ); |
| } else { |
| buf.append('%'); |
| buf.append( digits.at( ( ch & 0xf0 ) >> 4 ) ); |
| buf.append( digits.at( ch & 0xf ) ); |
| } |
| } |
| return buf; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::string URIEncoderDecoder::decode( const std::string& s ) { |
| |
| std::string result = ""; |
| for( int i = 0; i < s.length(); ) { |
| char c = s.charAt(i); |
| if( c == '%' ) { |
| |
| do { |
| if( i + 2 >= s.length() ) { |
| throw IllegalArgumentException( |
| __FILE__, __LINE__, |
| "String has invalid encoding: %s", s.c_str() ); |
| } |
| |
| int d1 = Character.digit( s.at(i + 1), 16); |
| int d2 = Character.digit( s.at(i + 2), 16); |
| |
| if( d1 == -1 || d2 == -1 ) { |
| throw IllegalArgumentException( |
| __FILE__, __LINE__, |
| "URIEncoderDecoder::decode - Bad hex encoding in: ", |
| s.c_str() ); |
| } |
| |
| result.append( (unsigned char)( ( d1 << 4 ) + d2 ) ); |
| i += 3; |
| |
| } while( i < s.length() && s.at(i) == '%' ); |
| |
| continue; |
| } |
| |
| result.append(c); |
| i++; |
| } |
| |
| return result; |
| } |