Commit d116329f authored by Sonia Zorba's avatar Sonia Zorba
Browse files

Added error pages

parent 2ad586a1

vospace-ui-backend/src/main/java/it/inaf/ia2/vospace/ui/controller/ErrorController.java

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package it.inaf.ia2.vospace.ui.controller;



import java.io.IOException;

import java.io.InputStream;

import java.util.Map;

import java.util.Scanner;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.boot.autoconfigure.web.servlet.error.AbstractErrorController;

import org.springframework.boot.web.servlet.error.ErrorAttributes;

import org.springframework.http.HttpStatus;

import org.springframework.http.MediaType;

import org.springframework.http.ResponseEntity;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;



@RestController

@RequestMapping("${server.error.path:${error.path:/error}}")

public class ErrorController extends AbstractErrorController {



    @Value("${support.contact.label}")

    private String supportContactLabel;

    @Value("${support.contact.email}")

    private String supportContactEmail;



    @Autowired

    public ErrorController(ErrorAttributes errorAttributes) {

        super(errorAttributes);

    }



    @RequestMapping(produces = MediaType.TEXT_HTML_VALUE)

    public void errorHtml(HttpServletRequest request, HttpServletResponse response) throws Exception {



        Map<String, Object> errors = super.getErrorAttributes(request, true);



        HttpStatus status = getStatus(request);



        String responseText;

        if (status == HttpStatus.NOT_FOUND) {

            responseText = getFileContent("404.html");

        } else {

            responseText = getFileContent("error.html")

                    .replace("#ERROR_TITLE#", (String) errors.get("error"))

                    .replace("#ERROR_MESSAGE#", (String) errors.get("message"))

                    .replace("#ADDITIONAL_MESSAGE#", getAdditionalMessage(status));

        }



        response.setContentType("text/html;charset=UTF-8");

        response.getOutputStream().print(responseText);

    }



    private String getAdditionalMessage(HttpStatus status) {

        if (status.is5xxServerError()) {

            // unexpected error -> let users report the issue

            return "<br/>If you need support please contact"

                    + " <a href=\"mailto:" + supportContactEmail + "\">" + supportContactLabel + "</a>";

        }

        return "";

    }



    @RequestMapping

    public ResponseEntity<Map<String, Object>> error(HttpServletRequest request) {

        HttpStatus status = getStatus(request);

        if (status == HttpStatus.NO_CONTENT) {

            return new ResponseEntity<>(status);

        }

        Map<String, Object> body = getErrorAttributes(request, false);

        return new ResponseEntity<>(body, status);

    }



    private String getFileContent(String templateFileName) throws IOException {

        try (InputStream in = ErrorController.class.getClassLoader()

                .getResourceAsStream("public/error/" + templateFileName)) {

            Scanner s = new Scanner(in).useDelimiter("\\A");

            return s.hasNext() ? s.next() : "";

        }

    }



    @Override

    public String getErrorPath() {

        return null;

    }

}

vospace-ui-backend/src/main/resources/application.properties

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@@ -11,3 +11,6 @@ cors.allowed.origin=http://localhost:8080 
logging.level.it.inaf=TRACE



trusted.eppn.scope=inaf.it



support.contact.label=IA2 team

support.contact.email=ia2@inaf.it

vospace-ui-backend/src/main/resources/public/error/404.html

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<!DOCTYPE html>

<html>

    <head>

        <title>Page Not Found</title>

        <meta charset="UTF-8" />

        <meta name="viewport" content="width=device-width, initial-scale=1.0" />

        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous" />

    </head>

    <body>

        <div class="container mt-4">

            <h1 class="mb-3 text-primary">Page Not Found</h1>

        </div>

    </body>

</html>

vospace-ui-backend/src/main/resources/public/error/error.html

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<!DOCTYPE html>

<html>

    <head>

        <title>#ERROR_TITLE#</title>

        <meta charset="UTF-8" />

        <meta name="viewport" content="width=device-width, initial-scale=1.0" />

        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous" />

    </head>

    <body>

        <div class="container mt-4">

            <h1 class="mb-3 text-danger">#ERROR_TITLE#</h1>

            <p><strong>#ERROR_MESSAGE#</strong></p>

            <p>#ADDITIONAL_MESSAGE#</p>

        </div>

    </body>

</html>