diff options
Diffstat (limited to 'juick-spring-www/src/main/java/com/juick/www/controllers/ShowMessageController.java')
-rw-r--r-- | juick-spring-www/src/main/java/com/juick/www/controllers/ShowMessageController.java | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/juick-spring-www/src/main/java/com/juick/www/controllers/ShowMessageController.java b/juick-spring-www/src/main/java/com/juick/www/controllers/ShowMessageController.java new file mode 100644 index 00000000..338dc9be --- /dev/null +++ b/juick-spring-www/src/main/java/com/juick/www/controllers/ShowMessageController.java @@ -0,0 +1,52 @@ +package com.juick.www.controllers; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RequestParam; + +import java.util.regex.Pattern; + +/** + * Created by aalexeev on 11/21/16. + */ +@Controller +public class ShowMessageController { + private static final Pattern USER_NAME_PATTERN = Pattern.compile("[a-zA-Z-_\\d]{2,16}"); + + private static final Pattern POST_NUMBER_PATTERN = Pattern.compile("\\d+"); + + private final Logger logger = LoggerFactory.getLogger(getClass()); + + + @RequestMapping("/{anything}") + public String parseAnything( + @PathVariable String anything, + @RequestParam(required = false, defaultValue = "0") int before, + Model model) { + + boolean isUsername = USER_NAME_PATTERN.matcher(anything).matches(); + boolean isPostNumber = POST_NUMBER_PATTERN.matcher(anything).matches(); + + return "redirect:/"; + } + + @RequestMapping("/{userName}/{postNumber}") + public String checkShowPost( + @PathVariable String userName, + @PathVariable String postNumber, + @RequestParam(required = false, defaultValue = "0") int before, + Model model) { + + if (!USER_NAME_PATTERN.matcher(userName).matches() || + !POST_NUMBER_PATTERN.matcher(postNumber).matches()) { + logger.warn("Invalid user name or post number, user name \"{}\", post number \"{}\"", userName, postNumber); + return "redirect:/"; + } + + return "index"; + } +} |