Java Code Examples for org.apache.tomcat.util.buf.HexUtils#getDec()
The following examples show how to use
org.apache.tomcat.util.buf.HexUtils#getDec() .
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Example 1
| Source File: ApplicationPushBuilder.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
private static String decodePercentSequence(String sequence, Charset charset) {
byte[] bytes = new byte[sequence.length()/3];
for (int i = 0; i < bytes.length; i += 3) {
bytes[i] = (byte) ((HexUtils.getDec(sequence.charAt(1 + 3 * i)) << 4) +
HexUtils.getDec(sequence.charAt(2 + 3 * i)));
}
return new String(bytes, charset);
}
Example 2
| Source File: ChunkedInputFilter.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* Parse the header of a chunk.
* A chunk header can look like one of the following:<br>
* A10CRLF<br>
* F23;chunk-extension to be ignoredCRLF
*
* <p>
* The letters before CRLF or ';' (whatever comes first) must be valid hex
* digits. We should not parse F23IAMGONNAMESSTHISUP34CRLF as a valid
* header according to the spec.
* @return <code>true</code> if the chunk header has been
* successfully parsed
* @throws IOException Read error
*/
protected boolean parseChunkHeader() throws IOException {
int result = 0;
boolean eol = false;
int readDigit = 0;
boolean extension = false;
while (!eol) {
if (readChunk == null || readChunk.position() >= readChunk.limit()) {
if (readBytes() <= 0)
return false;
}
byte chr = readChunk.get(readChunk.position());
if (chr == Constants.CR || chr == Constants.LF) {
parseCRLF(false);
eol = true;
} else if (chr == Constants.SEMI_COLON && !extension) {
// First semi-colon marks the start of the extension. Further
// semi-colons may appear to separate multiple chunk-extensions.
// These need to be processed as part of parsing the extensions.
extension = true;
extensionSize++;
} else if (!extension) {
//don't read data after the trailer
int charValue = HexUtils.getDec(chr);
if (charValue != -1 && readDigit < 8) {
readDigit++;
result = (result << 4) | charValue;
} else {
//we shouldn't allow invalid, non hex characters
//in the chunked header
return false;
}
} else {
// Extension 'parsing'
// Note that the chunk-extension is neither parsed nor
// validated. Currently it is simply ignored.
extensionSize++;
if (maxExtensionSize > -1 && extensionSize > maxExtensionSize) {
throwIOException(sm.getString("chunkedInputFilter.maxExtension"));
}
}
// Parsing the CRLF increments pos
if (!eol) {
readChunk.position(readChunk.position() + 1);
}
}
if (readDigit == 0 || result < 0) {
return false;
}
if (result == 0) {
endChunk = true;
}
remaining = result;
return true;
}
Example 3
| Source File: AbstractAjpProcessor.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Parse host.
*/
protected void parseHost(MessageBytes valueMB) {
if (valueMB == null || valueMB.isNull()) {
// HTTP/1.0
request.setServerPort(request.getLocalPort());
try {
request.serverName().duplicate(request.localName());
} catch (IOException e) {
response.setStatus(400);
setErrorState(ErrorState.CLOSE_CLEAN, e);
}
return;
}
ByteChunk valueBC = valueMB.getByteChunk();
byte[] valueB = valueBC.getBytes();
int valueL = valueBC.getLength();
int valueS = valueBC.getStart();
int colonPos = -1;
if (hostNameC.length < valueL) {
hostNameC = new char[valueL];
}
boolean ipv6 = (valueB[valueS] == '[');
boolean bracketClosed = false;
for (int i = 0; i < valueL; i++) {
char b = (char) valueB[i + valueS];
hostNameC[i] = b;
if (b == ']') {
bracketClosed = true;
} else if (b == ':') {
if (!ipv6 || bracketClosed) {
colonPos = i;
break;
}
}
}
if (colonPos < 0) {
if (request.scheme().equalsIgnoreCase("https")) {
// 443 - Default HTTPS port
request.setServerPort(443);
} else {
// 80 - Default HTTTP port
request.setServerPort(80);
}
request.serverName().setChars(hostNameC, 0, valueL);
} else {
request.serverName().setChars(hostNameC, 0, colonPos);
int port = 0;
int mult = 1;
for (int i = valueL - 1; i > colonPos; i--) {
int charValue = HexUtils.getDec(valueB[i + valueS]);
if (charValue == -1) {
// Invalid character
// 400 - Bad request
response.setStatus(400);
setErrorState(ErrorState.CLOSE_CLEAN, null);
break;
}
port = port + (charValue * mult);
mult = 10 * mult;
}
request.setServerPort(port);
}
}
Example 4
| Source File: AbstractHttp11Processor.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Parse host.
*/
protected void parseHost(MessageBytes valueMB) {
if (valueMB == null || valueMB.isNull()) {
// HTTP/1.0
// If no host header, use the port info from the endpoint
// The host will be obtained lazily from the socket if required
// using ActionCode#REQ_LOCAL_NAME_ATTRIBUTE
request.setServerPort(endpoint.getPort());
return;
}
ByteChunk valueBC = valueMB.getByteChunk();
byte[] valueB = valueBC.getBytes();
int valueL = valueBC.getLength();
int valueS = valueBC.getStart();
int colonPos = -1;
if (hostNameC.length < valueL) {
hostNameC = new char[valueL];
}
boolean ipv6 = (valueB[valueS] == '[');
boolean bracketClosed = false;
for (int i = 0; i < valueL; i++) {
char b = (char) valueB[i + valueS];
hostNameC[i] = b;
if (b == ']') {
bracketClosed = true;
} else if (b == ':') {
if (!ipv6 || bracketClosed) {
colonPos = i;
break;
}
}
}
if (colonPos < 0) {
if (!endpoint.isSSLEnabled()) {
// 80 - Default HTTP port
request.setServerPort(80);
} else {
// 443 - Default HTTPS port
request.setServerPort(443);
}
request.serverName().setChars(hostNameC, 0, valueL);
} else {
request.serverName().setChars(hostNameC, 0, colonPos);
int port = 0;
int mult = 1;
for (int i = valueL - 1; i > colonPos; i--) {
int charValue = HexUtils.getDec(valueB[i + valueS]);
if (charValue == -1 || charValue > 9) {
// Invalid character
// 400 - Bad request
response.setStatus(400);
setErrorState(ErrorState.CLOSE_CLEAN, null);
break;
}
port = port + (charValue * mult);
mult = 10 * mult;
}
request.setServerPort(port);
}
}
Example 5
| Source File: ChunkedInputFilter.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Parse the header of a chunk.
* A chunk header can look like one of the following:<br />
* A10CRLF<br />
* F23;chunk-extension to be ignoredCRLF
*
* <p>
* The letters before CRLF or ';' (whatever comes first) must be valid hex
* digits. We should not parse F23IAMGONNAMESSTHISUP34CRLF as a valid
* header according to the spec.
*/
protected boolean parseChunkHeader() throws IOException {
int result = 0;
boolean eol = false;
int readDigit = 0;
boolean extension = false;
while (!eol) {
if (pos >= lastValid) {
if (readBytes() <= 0)
return false;
}
if (buf[pos] == Constants.CR || buf[pos] == Constants.LF) {
parseCRLF(false);
eol = true;
} else if (buf[pos] == Constants.SEMI_COLON && !extension) {
// First semi-colon marks the start of the extension. Further
// semi-colons may appear to separate multiple chunk-extensions.
// These need to be processed as part of parsing the extensions.
extension = true;
extensionSize++;
} else if (!extension) {
//don't read data after the trailer
int charValue = HexUtils.getDec(buf[pos]);
if (charValue != -1 && readDigit < 8) {
readDigit++;
result = (result << 4) | charValue;
} else {
//we shouldn't allow invalid, non hex characters
//in the chunked header
return false;
}
} else {
// Extension 'parsing'
// Note that the chunk-extension is neither parsed nor
// validated. Currently it is simply ignored.
extensionSize++;
if (maxExtensionSize > -1 && extensionSize > maxExtensionSize) {
throwIOException(sm.getString("chunkedInputFilter.maxExtension"));
}
}
// Parsing the CRLF increments pos
if (!eol) {
pos++;
}
}
if (readDigit == 0 || result < 0) {
return false;
}
if (result == 0) {
endChunk = true;
}
remaining = result;
return true;
}
Example 6
| Source File: AbstractAjpProcessor.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Parse host.
*/
protected void parseHost(MessageBytes valueMB) {
if (valueMB == null || valueMB.isNull()) {
// HTTP/1.0
request.setServerPort(request.getLocalPort());
try {
request.serverName().duplicate(request.localName());
} catch (IOException e) {
response.setStatus(400);
setErrorState(ErrorState.CLOSE_CLEAN, e);
}
return;
}
ByteChunk valueBC = valueMB.getByteChunk();
byte[] valueB = valueBC.getBytes();
int valueL = valueBC.getLength();
int valueS = valueBC.getStart();
int colonPos = -1;
if (hostNameC.length < valueL) {
hostNameC = new char[valueL];
}
boolean ipv6 = (valueB[valueS] == '[');
boolean bracketClosed = false;
for (int i = 0; i < valueL; i++) {
char b = (char) valueB[i + valueS];
hostNameC[i] = b;
if (b == ']') {
bracketClosed = true;
} else if (b == ':') {
if (!ipv6 || bracketClosed) {
colonPos = i;
break;
}
}
}
if (colonPos < 0) {
if (request.scheme().equalsIgnoreCase("https")) {
// 443 - Default HTTPS port
request.setServerPort(443);
} else {
// 80 - Default HTTTP port
request.setServerPort(80);
}
request.serverName().setChars(hostNameC, 0, valueL);
} else {
request.serverName().setChars(hostNameC, 0, colonPos);
int port = 0;
int mult = 1;
for (int i = valueL - 1; i > colonPos; i--) {
int charValue = HexUtils.getDec(valueB[i + valueS]);
if (charValue == -1) {
// Invalid character
// 400 - Bad request
response.setStatus(400);
setErrorState(ErrorState.CLOSE_CLEAN, null);
break;
}
port = port + (charValue * mult);
mult = 10 * mult;
}
request.setServerPort(port);
}
}
Example 7
| Source File: AbstractHttp11Processor.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Parse host.
*/
protected void parseHost(MessageBytes valueMB) {
if (valueMB == null || valueMB.isNull()) {
// HTTP/1.0
// If no host header, use the port info from the endpoint
// The host will be obtained lazily from the socket if required
// using ActionCode#REQ_LOCAL_NAME_ATTRIBUTE
request.setServerPort(endpoint.getPort());
return;
}
ByteChunk valueBC = valueMB.getByteChunk();
byte[] valueB = valueBC.getBytes();
int valueL = valueBC.getLength();
int valueS = valueBC.getStart();
int colonPos = -1;
if (hostNameC.length < valueL) {
hostNameC = new char[valueL];
}
boolean ipv6 = (valueB[valueS] == '[');
boolean bracketClosed = false;
for (int i = 0; i < valueL; i++) {
char b = (char) valueB[i + valueS];
hostNameC[i] = b;
if (b == ']') {
bracketClosed = true;
} else if (b == ':') {
if (!ipv6 || bracketClosed) {
colonPos = i;
break;
}
}
}
if (colonPos < 0) {
if (!endpoint.isSSLEnabled()) {
// 80 - Default HTTP port
request.setServerPort(80);
} else {
// 443 - Default HTTPS port
request.setServerPort(443);
}
request.serverName().setChars(hostNameC, 0, valueL);
} else {
request.serverName().setChars(hostNameC, 0, colonPos);
int port = 0;
int mult = 1;
for (int i = valueL - 1; i > colonPos; i--) {
int charValue = HexUtils.getDec(valueB[i + valueS]);
if (charValue == -1 || charValue > 9) {
// Invalid character
// 400 - Bad request
response.setStatus(400);
setErrorState(ErrorState.CLOSE_CLEAN, null);
break;
}
port = port + (charValue * mult);
mult = 10 * mult;
}
request.setServerPort(port);
}
}
Example 8
| Source File: ChunkedInputFilter.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Parse the header of a chunk.
* A chunk header can look like one of the following:<br />
* A10CRLF<br />
* F23;chunk-extension to be ignoredCRLF
*
* <p>
* The letters before CRLF or ';' (whatever comes first) must be valid hex
* digits. We should not parse F23IAMGONNAMESSTHISUP34CRLF as a valid
* header according to the spec.
*/
protected boolean parseChunkHeader() throws IOException {
int result = 0;
boolean eol = false;
int readDigit = 0;
boolean extension = false;
while (!eol) {
if (pos >= lastValid) {
if (readBytes() <= 0)
return false;
}
if (buf[pos] == Constants.CR || buf[pos] == Constants.LF) {
parseCRLF(false);
eol = true;
} else if (buf[pos] == Constants.SEMI_COLON && !extension) {
// First semi-colon marks the start of the extension. Further
// semi-colons may appear to separate multiple chunk-extensions.
// These need to be processed as part of parsing the extensions.
extension = true;
extensionSize++;
} else if (!extension) {
//don't read data after the trailer
int charValue = HexUtils.getDec(buf[pos]);
if (charValue != -1 && readDigit < 8) {
readDigit++;
result = (result << 4) | charValue;
} else {
//we shouldn't allow invalid, non hex characters
//in the chunked header
return false;
}
} else {
// Extension 'parsing'
// Note that the chunk-extension is neither parsed nor
// validated. Currently it is simply ignored.
extensionSize++;
if (maxExtensionSize > -1 && extensionSize > maxExtensionSize) {
throwIOException(sm.getString("chunkedInputFilter.maxExtension"));
}
}
// Parsing the CRLF increments pos
if (!eol) {
pos++;
}
}
if (readDigit == 0 || result < 0) {
return false;
}
if (result == 0) {
endChunk = true;
}
remaining = result;
return true;
}
