How to use

getHeader

method

in

leap.web.Request

@Override
public boolean isProxyRequest(Request request) {
  return request.getHeader(X_FORWARDED_HOST)!=null||
      request.getHeader(X_FORWARDED_FOR)!=null||
      request.getHeader(X_FORWARDED_SERVER)!=null||
      request.getHeader(X_FORWARDED_PROTOCOL)!=null;
}

@Override
public boolean isProxyRequest(Request request) {
  return request.getHeader(X_FORWARDED_HOST)!=null||
      request.getHeader(X_FORWARDED_FOR)!=null||
      request.getHeader(X_FORWARDED_SERVER)!=null||
      request.getHeader(X_FORWARDED_PROTOCOL)!=null;
}

  @Override
  public String resolveProtocol(Request request) {
    if(isProxyRequest(request)){
      return request.getHeader(X_FORWARDED_PROTOCOL);
    }else{
      throw new IllegalStateException("this request is not a proxied request");
    }
  }
}

@Override
public String resolveUserAgentRealIp(Request request) {
  if(isProxyRequest(request)){
    return request.getHeader(X_FORWARDED_FOR);
  }else{
    throw new IllegalStateException("this request is not a proxied request");
  }
}

@Override
public String resolveProxyServerName(Request request) {
  if(isProxyRequest(request)){
    return request.getHeader(X_FORWARDED_SERVER);
  }else{
    throw new IllegalStateException("this request is not a proxied request");
  }
}

  @Override
  public String resolveProtocol(Request request) {
    if(isProxyRequest(request)){
      return request.getHeader(X_FORWARDED_PROTOCOL);
    }else{
      throw new IllegalStateException("this request is not a proxied request");
    }
  }
}

@Override
public String resolveUserAgentRealIp(Request request) {
  if(isProxyRequest(request)){
    return request.getHeader(X_FORWARDED_FOR);
  }else{
    throw new IllegalStateException("this request is not a proxied request");
  }
}

@Override
public String resolveProxyServerName(Request request) {
  if(isProxyRequest(request)){
    return request.getHeader(X_FORWARDED_SERVER);
  }else{
    throw new IllegalStateException("this request is not a proxied request");
  }
}

@Override
public Token extractTokenFromRequest(Request request) {
  String v = request.getParameter(OAuth2Constants.ACCESS_TOKEN);
  if (Strings.isEmpty(v)) {
    v = request.getHeader(Headers.AUTHORIZATION);
    if (Strings.startsWithIgnoreCase(v, OAuth2Constants.BEARER_TYPE)) {
      v = v.substring(OAuth2Constants.BEARER_TYPE.length()).trim();
    } else {
      v = null;
    }
  }
  if (Strings.isEmpty(v)) {
    return null;
  }
  return new SimpleToken(v);
}

protected String getToken(Request request) {
  String token = request.getHeader(securityConfig.getAuthenticationTokenHeaderName());
  if(Strings.isEmpty(token)) {
    Cookie cookie = request.getCookie(getCookieName(request));
    if(null != cookie) {
      token = cookie.getValue();
    }
  }
  
  return token;
}

protected String[] extractClientCredentials(Request request, Response response) {
  String authorization = request.getHeader(Headers.AUTHORIZATION);
  if(!Strings.isEmpty(authorization)){
    if(!authorization.startsWith("Basic")){
      error(response, 400, INVALID_REQUEST, "invalid Authorization header");
      return null;
    }
    String base64Token = Strings.trim(authorization.substring("Basic".length()));
    String token = Base64.decode(base64Token);
    String[] idAndSecret = Strings.split(token,":");
    if(idAndSecret.length != 2){
      error(response, 400, INVALID_REQUEST, "invalid Authorization header");
      return null;
    }
    return new String[]{idAndSecret[0],idAndSecret[1]};
  }
  return new String[]{request.getParameter("client_id"), request.getParameter("client_secret")};
}

@Override
public String resolveUserAgentForwarded(Request request) {
  if(isProxyRequest(request)){
    String host = request.getHeader(X_FORWARDED_HOST);
    if(Strings.isNotEmpty(host)){
      String protocol = resolveProtocol(request);
      if(Strings.isEmpty(protocol)){
        protocol = "http";
      }
      protocol += "://";
      return protocol + host + request.getContextPath();
    }else{
      return host + request.getContextPath();
    }
  }else{
    throw new IllegalStateException("this request is not a proxied request");
  }
}

@Override
public String resolveUserAgentForwarded(Request request) {
  if(isProxyRequest(request)){
    String host = request.getHeader(X_FORWARDED_HOST);
    if(Strings.isNotEmpty(host)){
      String protocol = resolveProtocol(request);
      if(Strings.isEmpty(protocol)){
        protocol = "http";
      }
      protocol += "://";
      return protocol + host + request.getContextPath();
    }else{
      return host + request.getContextPath();
    }
  }else{
    throw new IllegalStateException("this request is not a proxied request");
  }
}

  protected String getCsrfTokenString(Request request) {
    String token = request.getHeader(securityConfig.getCsrfHeaderName());
    if(Strings.isEmpty(token)) {
      token = request.getParameter(securityConfig.getCsrfParameterName());
      if(Strings.isEmpty(token)) {
        token = CSRF.getRequestToken(request);
      }
    }
    return token;
  }
}

void handleJsonSpecRequest(Api api, Request req, Response resp) throws Throwable {
  SwaggerJsonWriter w = new SwaggerJsonWriter();
  w.setPropertyNamingStyle(api.getConfig().getPropertyNamingStyle());
  resp.setContentType(w.getContentType());
  String[] parts = req.getParameterValues("parts");
  if(null != parts && parts.length == 1) {
    parts = Strings.split(parts[0], ',');
  }
  Set<String> partsSet = null == parts ? Collections.emptySet() : New.hashSet(parts);
  ApiSpecContext context = new ApiSpecContextImpl(req, partsSet);
  String json = toSwaggerJson(w, context, api.getMetadata());
  String fingerprint = assetStrategy.getFingerprint(json.getBytes());
  resp.setHeader(Headers.ETAG, "\"" + fingerprint + "\"");
  String ifNoneMatch = req.getHeader(Headers.IF_NONE_MATCH);
  if(!Strings.isEmpty(ifNoneMatch) && ifNoneMatch.equals("\"" + fingerprint + "\"")) {
    resp.setStatus(HTTP.SC_NOT_MODIFIED);
  }else {
    resp.getWriter().write(json);
  }
}

protected AuthzClientCredentials extractClientCredentials(Request request, Response response,OAuth2Params params){
  String header = request.getHeader(OAuth2Constants.TOKEN_HEADER);
  if(header != null && !Strings.isEmpty(header)){
    if(!header.startsWith(OAuth2Constants.BASIC_TYPE)){

protected AuthzClientCredentials extractClientCredentials(Request request, Response response, OAuth2Params params) {
  String header = request.getHeader(OAuth2Constants.TOKEN_HEADER);
  if (header != null && !Strings.isEmpty(header)) {
    if (!header.startsWith(OAuth2Constants.BASIC_TYPE)) {