本文整理汇总了Java中org.apache.tomcat.util.buf.ByteChunk.startsWithIgnoreCase方法的典型用法代码示例。如果您正苦于以下问题：Java ByteChunk.startsWithIgnoreCase方法的具体用法？Java ByteChunk.startsWithIgnoreCase怎么用？Java ByteChunk.startsWithIgnoreCase使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.tomcat.util.buf.ByteChunk的用法示例。
在下文中一共展示了ByteChunk.startsWithIgnoreCase方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: authenticate
import org.apache.tomcat.util.buf.ByteChunk; //导入方法依赖的package包/类
/**
* Authenticate the user making this request, based on the specified login
* configuration. Return <code>true</code> if any specified constraint has
* been satisfied, or <code>false</code> if we have created a response
* challenge already.
*
* @param request
* Request we are processing
* @param response
* Response we are creating
* @param config
* Login configuration describing how authentication should be
* performed
*
* @exception IOException
* if an input/output error occurs
*/
@Override
public boolean authenticate(Request request, HttpServletResponse response, LoginConfig config) throws IOException {
if (checkForCachedAuthentication(request, response, true)) {
return true;
}
// Validate any credentials already included with this request
String username = null;
String password = null;
MessageBytes authorization = request.getCoyoteRequest().getMimeHeaders().getValue("authorization");
if (authorization != null) {
authorization.toBytes();
ByteChunk authorizationBC = authorization.getByteChunk();
if (authorizationBC.startsWithIgnoreCase("basic ", 0)) {
authorizationBC.setOffset(authorizationBC.getOffset() + 6);
byte[] decoded = Base64.decodeBase64(authorizationBC.getBuffer(), authorizationBC.getOffset(),
authorizationBC.getLength());
// Get username and password
int colon = -1;
for (int i = 0; i < decoded.length; i++) {
if (decoded[i] == ':') {
colon = i;
break;
}
}
if (colon < 0) {
username = new String(decoded, B2CConverter.ISO_8859_1);
} else {
username = new String(decoded, 0, colon, B2CConverter.ISO_8859_1);
password = new String(decoded, colon + 1, decoded.length - colon - 1, B2CConverter.ISO_8859_1);
}
authorizationBC.setOffset(authorizationBC.getOffset() - 6);
}
Principal principal = context.getRealm().authenticate(username, password);
if (principal != null) {
register(request, response, principal, HttpServletRequest.BASIC_AUTH, username, password);
return (true);
}
}
StringBuilder value = new StringBuilder(16);
value.append("Basic realm=\"");
if (config.getRealmName() == null) {
value.append(REALM_NAME);
} else {
value.append(config.getRealmName());
}
value.append('\"');
response.setHeader(AUTH_HEADER_NAME, value.toString());
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
return (false);
}