Example usage for com.google.gwt.user.client.rpc RpcTokenException RpcTokenException

Introduction

In this page you can find the example usage for com.google.gwt.user.client.rpc RpcTokenException RpcTokenException.

Prototype

public RpcTokenException(String msg) 

Source Link

Document

Constructs an instance with the specified message.

Usage

From source file:de.itsvs.cwtrpc.controller.token.DefaultXsrfTokenService.java

License:Apache License

public XsrfToken generateToken(HttpServletRequest request) throws RpcTokenException {
    final byte[] sessionCookieBytes;
    final String token;

    Assert.notNull(request, "'request' must not be null");

    sessionCookieBytes = getCookieBytes(request, getSessionCookieName());
    if ((sessionCookieBytes == null) || (sessionCookieBytes.length == 0)) {
        throw new RpcTokenException(
                "Request does not contain required valid session cookie " + getSessionCookieName());
    }// w ww  .  j  a  v a 2  s.co m

    token = getMd5HexString(sessionCookieBytes);
    if (log.isDebugEnabled()) {
        log.debug("Generated token '" + token + "'");
    }

    return new XsrfToken(token);
}

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From source file:de.itsvs.cwtrpc.controller.token.DefaultXsrfTokenService.java

License:Apache License

public void validateToken(HttpServletRequest servletRequest, RPCRequest rpcRequest) throws RpcTokenException {
    final RpcToken token;
    final XsrfToken xsrfToken;
    final XsrfToken expectedXsrfToken;

    Assert.notNull(servletRequest, "'servletRequest' must not be null");
    Assert.notNull(rpcRequest, "'rpcRequest' must not be null");

    token = rpcRequest.getRpcToken();/*from  w  w w . ja va 2 s .  co  m*/
    if (token == null) {
        throw new RpcTokenException("Request does not contain required XSRF token");
    }
    if (!(token instanceof XsrfToken)) {
        throw new RpcTokenException(
                "RPC token is not required XSRF token [" + token.getClass().getName() + "]");
    }
    xsrfToken = (XsrfToken) token;

    expectedXsrfToken = generateToken(servletRequest);
    if (log.isDebugEnabled()) {
        log.debug("Validating received token '" + xsrfToken.getToken() + "' against expected token '"
                + expectedXsrfToken.getToken() + "'");
    }
    if (!expectedXsrfToken.getToken().equals(xsrfToken.getToken())) {
        throw new RpcTokenException("Received XSRF token does not match expected token");
    }
}

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