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package org.glassfish.grizzly.http.util;
import org.glassfish.grizzly.http.Cookie;
import org.glassfish.grizzly.Buffer;
import java.nio.BufferOverflowException;
import java.util.Date;
import static org.glassfish.grizzly.http.util.CookieUtils.*;
/**
* The set of Cookie utility methods for cookie serialization.
*
* @author Grizzly team
*/
public class CookieSerializerUtils {
// TODO RFC2965 fields also need to be passed
public static void serializeServerCookie(StringBuilder buf,
Cookie cookie) {
serializeServerCookie(buf,
COOKIE_VERSION_ONE_STRICT_COMPLIANCE, ALWAYS_ADD_EXPIRES,
cookie);
}
// TODO RFC2965 fields also need to be passed
public static void serializeServerCookie(final StringBuilder buf,
final boolean versionOneStrictCompliance,
final boolean alwaysAddExpires,
final Cookie cookie) {
serializeServerCookie(buf, versionOneStrictCompliance, alwaysAddExpires,
cookie.getName(), cookie.getValue(), cookie.getVersion(),
cookie.getPath(), cookie.getDomain(), cookie.getComment(),
cookie.getMaxAge(), cookie.isSecure(), cookie.isHttpOnly());
}
// TODO RFC2965 fields also need to be passed
public static void serializeServerCookie(final StringBuilder buf,
final boolean versionOneStrictCompliance,
final boolean alwaysAddExpires,
final String name,
final String value,
int version,
String path,
final String domain,
final String comment,
final int maxAge,
final boolean isSecure,
final boolean isHttpOnly) {
// Servlet implementation checks name
buf.append(name);
buf.append('=');
// Servlet implementation does not check anything else
version = maybeQuote2(version, buf, value, true);
// Add version 1 specific information
if (version == 1) {
// Version=1 ... required
buf.append("; Version=1");
// Comment=comment
if (comment != null) {
buf.append("; Comment=");
maybeQuote2(version, buf, comment, versionOneStrictCompliance);
}
}
// Add domain information, if present
if (domain != null) {
buf.append("; Domain=");
maybeQuote2(version, buf, domain, versionOneStrictCompliance);
}
// Max-Age=secs ... or use old "Expires" format
// TODO RFC2965 Discard
if (maxAge >= 0) {
if (version > 0) {
buf.append("; Max-Age=");
buf.append(maxAge);
}
// IE6, IE7 and possibly other browsers don't understand Max-Age.
// They do understand Expires, even with V1 cookies!
if (version == 0 || alwaysAddExpires) {
// Wdy, DD-Mon-YY HH:MM:SS GMT ( Expires Netscape format )
buf.append("; Expires=");
// To expire immediately we need to set the time in past
if (maxAge == 0) {
buf.append(ancientDate);
} else {
buf.append(OLD_COOKIE_FORMAT.get().format(
new Date(System.currentTimeMillis()
+ maxAge * 1000L)));
}
}
}
// Path=path
if (path != null) {
buf.append("; Path=");
UEncoder encoder = new UEncoder();
encoder.addSafeCharacter('/');
encoder.addSafeCharacter('"');
path = encoder.encodeURL(path, true);
if (version == 0) {
maybeQuote2(version, buf, path, versionOneStrictCompliance);
} else {
maybeQuote2(version, buf, path, tspecials2NoSlash, false, versionOneStrictCompliance);
}
}
// Secure
if (isSecure) {
buf.append("; Secure");
}
// httpOnly
if (isHttpOnly) {
buf.append("; HttpOnly");
}
}
// TODO RFC2965 fields also need to be passed
public static void serializeServerCookie(Buffer buf,
Cookie cookie) {
serializeServerCookie(buf,
COOKIE_VERSION_ONE_STRICT_COMPLIANCE, ALWAYS_ADD_EXPIRES,
cookie);
}
// TODO RFC2965 fields also need to be passed
public static void serializeServerCookie(Buffer buf,
boolean versionOneStrictCompliance,
boolean alwaysAddExpires,
Cookie cookie) {
serializeServerCookie(buf, versionOneStrictCompliance, alwaysAddExpires,
cookie.getName(), cookie.getValue(), cookie.getVersion(),
cookie.getPath(), cookie.getDomain(), cookie.getComment(),
cookie.getMaxAge(), cookie.isSecure(), cookie.isHttpOnly());
}
// TODO RFC2965 fields also need to be passed
public static void serializeServerCookie(final Buffer buf,
final boolean versionOneStrictCompliance,
final boolean alwaysAddExpires,
final String name,
final String value,
int version,
String path,
final String domain,
final String comment,
final int maxAge,
final boolean isSecure,
final boolean isHttpOnly) {
// Servlet implementation checks name
put(buf, name);
put(buf, '=');
// Servlet implementation does not check anything else
version = maybeQuote2(version, buf, value, true);
// Add version 1 specific information
if (version == 1) {
// Version=1 ... required
put(buf, "; Version=1");
// Comment=comment
if (comment != null) {
put(buf, "; Comment=");
maybeQuote2(version, buf, comment, versionOneStrictCompliance);
}
}
// Add domain information, if present
if (domain != null) {
put(buf, "; Domain=");
maybeQuote2(version, buf, domain, versionOneStrictCompliance);
}
// Max-Age=secs ... or use old "Expires" format
// TODO RFC2965 Discard
if (maxAge >= 0) {
if (version > 0) {
put(buf, "; Max-Age=");
putInt(buf, maxAge);
}
// IE6, IE7 and possibly other browsers don't understand Max-Age.
// They do understand Expires, even with V1 cookies!
if (version == 0 || alwaysAddExpires) {
// Wdy, DD-Mon-YY HH:MM:SS GMT ( Expires Netscape format )
put(buf, "; Expires=");
// To expire immediately we need to set the time in past
if (maxAge == 0) {
put(buf, ancientDate);
} else {
put(buf,
OLD_COOKIE_FORMAT.get().format(
new Date(System.currentTimeMillis()
+ maxAge * 1000L)));
}
}
}
// Path=path
if (path != null) {
put(buf, "; Path=");
UEncoder encoder = new UEncoder();
encoder.addSafeCharacter('/');
encoder.addSafeCharacter('"');
path = encoder.encodeURL(path, true);
if (version == 0) {
maybeQuote2(version, buf, path, versionOneStrictCompliance);
} else {
maybeQuote2(version, buf, path, tspecials2NoSlash, false, versionOneStrictCompliance);
}
}
// Secure
if (isSecure) {
put(buf, "; Secure");
}
// httpOnly
if (isHttpOnly) {
put(buf, "; HttpOnly");
}
}
// TODO RFC2965 fields also need to be passed
public static void serializeClientCookies(StringBuilder buf,
Cookie... cookies) {
serializeClientCookies(buf, COOKIE_VERSION_ONE_STRICT_COMPLIANCE, cookies);
}
// TODO RFC2965 fields also need to be passed
public static void serializeClientCookies(StringBuilder buf,
boolean versionOneStrictCompliance,
Cookie... cookies) {
if (cookies.length == 0) {
return;
}
final int version = cookies[0].getVersion();
if (version == 1) {
buf.append("$Version=\"1\"; ");
}
for (int i = 0; i < cookies.length; i++) {
final Cookie cookie = cookies[i];
buf.append(cookie.getName());
buf.append('=');
// Servlet implementation does not check anything else
maybeQuote2(version, buf, cookie.getValue(), true);
// If version == 1 - add domain and path
if (version == 1) {
// $Domain="domain"
final String domain = cookie.getDomain();
if (domain != null) {
buf.append("; $Domain=");
maybeQuote2(version, buf, domain, versionOneStrictCompliance);
}
// $Path="path"
String path = cookie.getPath();
if (path != null) {
buf.append("; $Path=");
UEncoder encoder = new UEncoder();
encoder.addSafeCharacter('/');
encoder.addSafeCharacter('"');
path = encoder.encodeURL(path, true);
maybeQuote2(version, buf, path, tspecials2NoSlash, false, versionOneStrictCompliance);
}
}
if (i < cookies.length - 1) {
buf.append("; ");
}
}
}
// TODO RFC2965 fields also need to be passed
public static void serializeClientCookies(Buffer buf,
Cookie... cookies) {
serializeClientCookies(buf, COOKIE_VERSION_ONE_STRICT_COMPLIANCE, cookies);
}
// TODO RFC2965 fields also need to be passed
public static void serializeClientCookies(Buffer buf,
boolean versionOneStrictCompliance,
Cookie... cookies) {
if (cookies.length == 0) {
return;
}
final int version = cookies[0].getVersion();
if (version == 1) {
put(buf, "$Version=\"1\"; ");
}
for (int i = 0; i < cookies.length; i++) {
final Cookie cookie = cookies[i];
put(buf, cookie.getName());
put(buf, "=");
// Servlet implementation does not check anything else
maybeQuote2(version, buf, cookie.getValue(), true);
// If version == 1 - add domain and path
if (version == 1) {
// $Domain="domain"
final String domain = cookie.getDomain();
if (domain != null) {
put(buf, "; $Domain=");
maybeQuote2(version, buf, domain, versionOneStrictCompliance);
}
// $Path="path"
String path = cookie.getPath();
if (path != null) {
put(buf, "; $Path=");
UEncoder encoder = new UEncoder();
encoder.addSafeCharacter('/');
encoder.addSafeCharacter('"');
path = encoder.encodeURL(path, true);
maybeQuote2(version, buf, path, tspecials2NoSlash, false, versionOneStrictCompliance);
}
}
if (i < cookies.length - 1) {
put(buf, "; ");
}
}
}
/**
* Quotes values using rules that vary depending on Cookie version.
* @param version
* @param buf
* @param value
*/
public static int maybeQuote2(int version, StringBuilder buf, String value,
boolean versionOneStrictCompliance) {
return maybeQuote2(version, buf, value, false, versionOneStrictCompliance);
}
public static int maybeQuote2(int version, StringBuilder buf, String value,
boolean allowVersionSwitch, boolean versionOneStrictCompliance) {
return maybeQuote2(version, buf, value, null, allowVersionSwitch, versionOneStrictCompliance);
}
public static int maybeQuote2(int version, StringBuilder buf, String value,
String literals, boolean allowVersionSwitch, boolean versionOneStrictCompliance) {
if (value == null || value.length() == 0) {
buf.append("\"\"");
} else if (containsCTL(value, version)) {
throw new IllegalArgumentException("Control character in cookie value, consider BASE64 encoding your value");
} else if (alreadyQuoted(value)) {
buf.append('"');
buf.append(escapeDoubleQuotes(value, 1, value.length() - 1));
buf.append('"');
} else if (allowVersionSwitch && versionOneStrictCompliance && version == 0 && !isToken2(value, literals)) {
buf.append('"');
buf.append(escapeDoubleQuotes(value, 0, value.length()));
buf.append('"');
version = 1;
} else if (version == 0 && !isToken(value, literals)) {
buf.append('"');
buf.append(escapeDoubleQuotes(value, 0, value.length()));
buf.append('"');
} else if (version == 1 && !isToken2(value, literals)) {
buf.append('"');
buf.append(escapeDoubleQuotes(value, 0, value.length()));
buf.append('"');
} else {
buf.append(value);
}
return version;
}
/**
* Quotes values using rules that vary depending on Cookie version.
* @param version
* @param buf
* @param value
*/
public static int maybeQuote2(int version, Buffer buf, String value,
boolean versionOneStrictCompliance) {
return maybeQuote2(version, buf, value, false, versionOneStrictCompliance);
}
public static int maybeQuote2(int version, Buffer buf, String value,
boolean allowVersionSwitch, boolean versionOneStrictCompliance) {
return maybeQuote2(version, buf, value, null, allowVersionSwitch, versionOneStrictCompliance);
}
public static int maybeQuote2(int version, Buffer buf, String value,
String literals, boolean allowVersionSwitch, boolean versionOneStrictCompliance) {
if (value == null || value.length() == 0) {
put(buf, "\"\"");
} else if (containsCTL(value, version)) {
throw new IllegalArgumentException("Control character in cookie value, consider BASE64 encoding your value");
} else if (alreadyQuoted(value)) {
put(buf, '"');
put(buf, escapeDoubleQuotes(value, 1, value.length() - 1));
put(buf, '"');
} else if (allowVersionSwitch && versionOneStrictCompliance && version == 0 && !isToken2(value, literals)) {
put(buf, '"');
put(buf, escapeDoubleQuotes(value, 0, value.length()));
put(buf, '"');
version = 1;
} else if (version == 0 && !isToken(value, literals)) {
put(buf, '"');
put(buf, escapeDoubleQuotes(value, 0, value.length()));
put(buf, '"');
} else if (version == 1 && !isToken2(value, literals)) {
put(buf, '"');
put(buf, escapeDoubleQuotes(value, 0, value.length()));
put(buf, '"');
} else {
put(buf, value);
}
return version;
}
/**
* Escapes any double quotes in the given string.
*
* @param s the input string
* @param beginIndex start index inclusive
* @param endIndex exclusive
* @return The (possibly) escaped string
*/
private static String escapeDoubleQuotes(String s, int beginIndex, int endIndex) {
if (s == null || s.length() == 0 || s.indexOf('"') == -1) {
return s;
}
StringBuilder b = new StringBuilder();
for (int i = beginIndex; i < endIndex; i++) {
char c = s.charAt(i);
if (c == '\\') {
b.append(c);
//ignore the character after an escape, just append it
if (++i >= endIndex) {
throw new IllegalArgumentException("Invalid escape character in cookie value.");
}
b.append(s.charAt(i));
} else if (c == '"') {
b.append('\\').append('"');
} else {
b.append(c);
}
}
return b.toString();
}
public static boolean alreadyQuoted(String value) {
return !(value == null || value.length() == 0)
&& (value.charAt(0) == '\"'
&& value.charAt(value.length() - 1) == '\"');
}
static void put(Buffer dstBuffer, int c) {
dstBuffer.put((byte) c);
}
static void putInt(Buffer dstBuffer, int intValue) {
put(dstBuffer, Integer.toString(intValue));
}
static void put(Buffer dstBuffer, String s) {
final int size = s.length();
if (dstBuffer.remaining() < size) {
throw new BufferOverflowException();
}
for (int i = 0; i < size; i++) {
dstBuffer.put((byte) s.charAt(i));
}
}
static void put(StringBuilder dstBuffer, int c) {
dstBuffer.append((char) c);
}
static void putInt(StringBuilder dstBuffer, int intValue) {
dstBuffer.append(intValue);
}
static void put(StringBuilder dstBuffer, String s) {
dstBuffer.append(s);
}
}
