Java SecurityContext.getAuthentication方法代碼示例

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
/**
 * Get the {@link CalendarUser} by obtaining the currently logged in Spring Security user's
 * {@link Authentication#getName()} and using that to find the {@link CalendarUser} by email address (since for our
 * application Spring Security usernames are email addresses).
 */
@Override
public CalendarUser getCurrentUser() {
    SecurityContext context = SecurityContextHolder.getContext();
    Authentication authentication = context.getAuthentication();
    if (authentication == null) {
        return null;
    }

    CalendarUser user = (CalendarUser) authentication.getPrincipal();
    String email = user.getEmail();
    if (email == null) {
        return null;
    }
    CalendarUser result = calendarService.findUserByEmail(email);
    if (result == null) {
        throw new IllegalStateException(
                "Spring Security is not in synch with CalendarUsers. Could not find user with email " + email);
    }

    logger.info("CalendarUser: {}", result);
    return result;
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
public UserAuthDTO findFromSession(HttpSession session) {
    SecurityContext securityContext = (SecurityContext) session
            .getAttribute("SPRING_SECURITY_CONTEXT");

    if (securityContext == null) {
        return null;
    }

    Authentication authentication = securityContext.getAuthentication();

    if (authentication == null) {
        return null;
    }

    Object principal = authentication.getPrincipal();

    if (!(principal instanceof UserAuthDTO)) {
        return null;
    }

    return ((UserAuthDTO) principal);
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
/**
 * Logs information into temporary cache. According to the Valve
 * configuration, log will also display into the logger.
 *
 * @param request  the input user request to log.
 * @param response the response to the user to be incremented.
 *                 return the log entry.
 * @throws IOException
 * @throws ServletException
 */
private ProcessingInformation createProcessing(Request request, Response response)
      throws IOException, ServletException
{
   String request_string = null;
   if (request.getQueryString() != null)
   {
      request_string = request.getRequestURL().append('?').append(request.getQueryString()).toString();
   }
   else
   {
      request_string = request.getRequestURL().toString();
   }

   ProcessingInformation pi = new ProcessingInformation(request_string);

   // Retrieve cookie to obtains existing context if any.
   Cookie integrityCookie = CookieKey.getIntegrityCookie(request.getCookies());

   SecurityContext ctx = null;
   if (integrityCookie != null)
   {
      String integrity = integrityCookie.getValue();
      if (integrity != null && !integrity.isEmpty())
      {
         ctx = SecurityContextProvider.getSecurityContext(integrity);
      }
   }
   if ((ctx != null) && (ctx.getAuthentication() != null))
   {
      pi.setUsername(ctx.getAuthentication().getName());
   }
   else
   {
      String[] basicAuth = extractAndDecodeHeader(request.getHeader("Authorization"));
      if (basicAuth != null)
      {
         pi.setUsername(basicAuth[0]);
      }
   }
   pi.setRemoteAddress(ProxyWebAuthenticationDetails.getRemoteIp(request));
   pi.setRemoteHost(ProxyWebAuthenticationDetails.getRemoteHost(request));
   return pi;
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
/**
 * Get the login of the current user.
 *
 * @return the login of the current user
 */
public static String getCurrentUserLogin() {
    SecurityContext securityContext = SecurityContextHolder.getContext();
    Authentication authentication = securityContext.getAuthentication();
    String userName = null;
    if (authentication != null) {
        if (authentication.getPrincipal() instanceof UserDetails) {
            UserDetails springSecurityUser = (UserDetails) authentication.getPrincipal();
            userName = springSecurityUser.getUsername();
        } else if (authentication.getPrincipal() instanceof String) {
            userName = (String) authentication.getPrincipal();
        }
    }
    return userName;
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
/**
 * Check if a user is authenticated.
 *
 * @return true if the user is authenticated, false otherwise
 */
public static boolean isAuthenticated() {
    SecurityContext securityContext = SecurityContextHolder.getContext();
    Authentication authentication = securityContext.getAuthentication();
    if (authentication != null) {
        return authentication.getAuthorities().stream()
            .noneMatch(grantedAuthority -> grantedAuthority.getAuthority().equals(AuthoritiesConstants.ANONYMOUS));
    }
    return false;
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
/**
 * If the current user has a specific authority (security role).
 *
 * <p>The name of this method comes from the isUserInRole() method in the Servlet API</p>
 *
 * @param authority the authority to check
 * @return true if the current user has the authority, false otherwise
 */
public static boolean isCurrentUserInRole(String authority) {
    SecurityContext securityContext = SecurityContextHolder.getContext();
    Authentication authentication = securityContext.getAuthentication();
    if (authentication != null) {
        return authentication.getAuthorities().stream()
            .anyMatch(grantedAuthority -> grantedAuthority.getAuthority().equals(authority));
    }
    return false;
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
/**
 * If the current user has a specific authority (security role).
 * <p>
 * The name of this method comes from the isUserInRole() method in the Servlet API
 *
 * @param authority the authority to check
 * @return true if the current user has the authority, false otherwise
 */
public static boolean isCurrentUserInRole(String authority) {
    SecurityContext securityContext = SecurityContextHolder.getContext();
    Authentication authentication = securityContext.getAuthentication();
    if (authentication != null) {
        return authentication.getAuthorities().stream()
            .anyMatch(grantedAuthority -> grantedAuthority.getAuthority().equals(authority));
    }
    return false;
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
public Optional<TwoFaUserDetails> getLoggedUserDetails(){
    SecurityContext context = SecurityContextHolder.getContext();
    Authentication auth = context.getAuthentication();
    if (auth != null && auth.getPrincipal() instanceof TwoFaUserDetails){
        return Optional.of( ((TwoFaUserDetails) auth.getPrincipal() ));
    }
    return Optional.empty();
}
 

import org.springframework.security.core.context.SecurityContext; //導入方法依賴的package包/類
@Test
public void testSecurity() {
	SecurityContext sc = SecurityContextHolder.getContext();
	Authentication authentication = sc.getAuthentication();

	isNull(authentication, "未認證");

	UsernamePasswordAuthenticationToken upToken = new UsernamePasswordAuthenticationToken("watano", "123456");
	// Perform the security
	authentication = authenticationManager.authenticate(upToken);
	sc.setAuthentication(authentication);

	authentication = sc.getAuthentication();

	notNull(authentication, "已認證");
	isTrue(authentication.isAuthenticated(), "未認證");

	//1.訪問/user頁麵, 失敗返回失敗,提示登錄

	//2.使用username和password提交到/login, 返回登錄成功

	//3.附帶token信息,再次訪問/user頁麵, 成功返回

}