working

pom.xml

@@ -33,7 +33,11 @@
 			<artifactId>basiclti-util</artifactId>
 			<version>1.1.2</version>
 		</dependency>
-
+		<dependency>
+			<groupId>javax.xml.parsers</groupId>
+			<artifactId>jaxp-api</artifactId>
+			<version>1.4.5</version>
+		</dependency>
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>

src/main/java/com/wmi/lti/config/MvcConfig.java

@@ -8,9 +8,11 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 public class MvcConfig implements WebMvcConfigurer {
 
     public void addViewControllers(ViewControllerRegistry registry) {
-        registry.addViewController("/home").setViewName("home");
-        registry.addViewController("/").setViewName("home");
+        registry.addViewController("/courses/addCourse").setViewName("addCourse");
+        registry.addViewController("/").setViewName("start");
         registry.addViewController("/login").setViewName("login");
+        registry.addViewController("/start").setViewName("start");
+        registry.addViewController("/register").setViewName("register");
     }
 
 }

src/main/java/com/wmi/lti/config/WebSecurityConfig.java

@@ -1,43 +1,67 @@
 package com.wmi.lti.config;
 
+import com.wmi.lti.model.user.MyUserDetailsService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.core.userdetails.User;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 
 @Configuration
 @EnableWebSecurity
+@ComponentScan
 public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
+
+
+    @Autowired
+    public void configAuthentication(final AuthenticationManagerBuilder auth) throws Exception {
+        auth.userDetailsService(userDetailsService()).passwordEncoder(new BCryptPasswordEncoder());
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+
     @Override
     protected void configure(HttpSecurity http) throws Exception {
-        http
-                .authorizeRequests()
-                .antMatchers("/", "/home").permitAll()
-                .anyRequest().authenticated()
+        http.authorizeRequests()
+                .antMatchers( "/", "/courses/**").authenticated()
+                .antMatchers( "/courses").authenticated()
+                .antMatchers("/", "/register").permitAll()
+                .antMatchers("/", "/start").authenticated()
+                //.anyRequest().authenticated()
                 .and()
                 .formLogin()
                 .loginPage("/login")
                 .permitAll()
-                .and()
-                .logout()
-                .permitAll();
+                .and().
+               // .logout()
+                //.permitAll().
+                cors().and().
+                csrf().disable();
     }
 
     @Bean
     @Override
     public UserDetailsService userDetailsService() {
-        UserDetails user =
+        /*  UserDetails user =
                 User.withDefaultPasswordEncoder()
                         .username("adrianw")
                         .password("eduserwis1245")
                         .roles("USER")
                         .build();
-
-        return new InMemoryUserDetailsManager(user);
+        */
+        return new MyUserDetailsService() {
+        };
     }
 }

src/main/java/com/wmi/lti/controllers/CourseController.java

@@ -0,0 +1,54 @@
+package com.wmi.lti.controllers;
+
+import com.wmi.lti.model.course.Course;
+import com.wmi.lti.model.course.CourseRepository;
+import com.wmi.lti.model.user.UserPrincipal;
+import org.imsglobal.lti.launch.LtiOauthSigner;
+import org.imsglobal.lti.launch.LtiSigner;
+import org.imsglobal.lti.launch.LtiSigningException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Controller
+@RequestMapping("/courses")
+public class CourseController {
+
+    @Autowired
+    private CourseRepository courseRepository;
+
+    @GetMapping("")
+    public String listCourses() {
+
+        //model.addAttribute("message", name);
+
+        return "start"; //view
+    }
+
+    @GetMapping("/addCourse")
+    public String addCourseView() {
+        return "addCourse"; //view
+    }
+
+    @PostMapping("")
+    public String addCourse(
+            @RequestParam(name = "key", required = false, defaultValue = "")
+                    String key, @RequestParam(name = "secret", required = false, defaultValue = "")
+                    String secret, @RequestParam(name = "url", required = false, defaultValue = "")
+                    String url, @RequestParam(name = "name", required = false, defaultValue = "")
+                    String name, Model model) {
+
+        courseRepository.save(new Course(null, name, url, key, secret, null));
+        return "start"; //view
+
+    }
+
+}

src/main/java/com/wmi/lti/controllers/GradeController.java

@@ -0,0 +1,90 @@
+package com.wmi.lti.controllers;
+
+import com.wmi.lti.model.course.Course;
+import com.wmi.lti.model.course.CourseRepository;
+import com.wmi.lti.model.grade.Grade;
+import com.wmi.lti.model.grade.GradeRepository;
+import com.wmi.lti.model.user.User;
+import com.wmi.lti.model.user.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Scanner;
+
+@RequestMapping("/grades")
+@RestController
+public class GradeController {
+
+    @Autowired
+    private GradeRepository gradeRepository;
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Autowired
+    private CourseRepository courseRepository;
+
+    @PostMapping("")
+    public String addCourse(@RequestParam(required = false) Map<String, String> args, HttpServletRequest request) throws IOException {
+        String gradeXML = extractPostRequestBody(request);
+        double gradeValue = Double.valueOf(gradeXML.split("<textString>")[1].split("</textString>")[0]);
+        String cell = gradeXML.split("<sourcedId>")[1].split("</sourcedId>")[0];
+        User user = userRepository.findByUsername(cell.replaceFirst("_.*", ""));
+        Course course = courseRepository.findFirstByName(cell.replaceFirst(".*_", ""));
+
+        Optional<Grade> gradeCheck = gradeRepository.findGradeByCourseAndUser(course, user);
+        Grade grade = gradeCheck.orElseGet(Grade::new);
+        grade.setCourse(course);
+        grade.setGrade(gradeValue);
+        grade.setUser(user);
+        gradeRepository.save(grade);
+        return response();
+    }
+
+    static String extractPostRequestBody(HttpServletRequest request) throws IOException {
+        if ("POST".equalsIgnoreCase(request.getMethod())) {
+            Scanner s = new Scanner(request.getInputStream(), "UTF-8").useDelimiter("\\A");
+            return s.hasNext() ? s.next() : "";
+        }
+        return "";
+    }
+
+
+
+
+    private String response(){
+        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+                "<imsx_POXEnvelopeResponse xmlns=\"http://www.imsglobal.org/services/ltiv1p1/xsd/imsoms_v1p0\">\n" +
+                "  <imsx_POXHeader>\n" +
+                "    <imsx_POXResponseHeaderInfo>\n" +
+                "      <imsx_version>V1.0</imsx_version>\n" +
+                "      <imsx_messageIdentifier>4560</imsx_messageIdentifier>\n" +
+                "      <imsx_statusInfo>\n" +
+                "        <imsx_codeMajor>success</imsx_codeMajor>\n" +
+                "        <imsx_severity>status</imsx_severity>\n" +
+                "        <imsx_messageRefIdentifier>999999123</imsx_messageRefIdentifier>\n" +
+                "        <imsx_operationRefIdentifier>replaceResult</imsx_operationRefIdentifier>\n" +
+                "      </imsx_statusInfo>\n" +
+                "    </imsx_POXResponseHeaderInfo>\n" +
+                "  </imsx_POXHeader>\n" +
+                "  <imsx_POXBody>\n" +
+                "    <replaceResultResponse />\n" +
+                "  </imsx_POXBody>\n" +
+                "</imsx_POXEnvelopeResponse>";
+    }
+
+}

src/main/java/com/wmi/lti/controllers/HomeController.java

@@ -1,20 +0,0 @@
-package com.wmi.lti.controllers;
-
-import org.springframework.stereotype.Controller;
-import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-
-@Controller
-public class HomeController {
-
-    @GetMapping("/home")
-    public String home(
-            @RequestParam(name = "name", required = false, defaultValue = "")
-                    String name, Model model) {
-
-        //model.addAttribute("message", name);
-
-        return "home"; //view
-    }
-}

src/main/java/com/wmi/lti/controllers/StartController.java

@@ -1,46 +1,80 @@
 package com.wmi.lti.controllers;
 
+import com.wmi.lti.model.course.Course;
+import com.wmi.lti.model.course.CourseRepository;
+import com.wmi.lti.model.grade.Grade;
+import com.wmi.lti.model.grade.GradeDTO;
+import com.wmi.lti.model.grade.GradeRepository;
+import com.wmi.lti.model.user.User;
+import com.wmi.lti.model.user.UserPrincipal;
+import com.wmi.lti.model.user.UserRepository;
 import org.imsglobal.lti.launch.LtiOauthSigner;
 import org.imsglobal.lti.launch.LtiSigner;
 import org.imsglobal.lti.launch.LtiSigningException;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.core.context.SecurityContextHolder;
-import org.springframework.security.core.userdetails.User;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
-import java.net.URLEncoder;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @Controller
 public class StartController {
 
-    @GetMapping("/start")
-    public String start(
-            @RequestParam(name = "key", required = false, defaultValue = "")
-                    String key, @RequestParam(name = "secret", required = false, defaultValue = "")
-                    String secret, @RequestParam(name = "url", required = false, defaultValue = "")
-                    String url, Model model) {
+    @Autowired
+    private CourseRepository courseRepository;
 
-        LtiSigner signer = new LtiOauthSigner();
-        Map<String, String> parameters = new HashMap<>();
-        parameters.put("lti_message_type","basic-lti-launch-request");
-        parameters.put("lti_version", "LTI-1p0");
-        parameters.put("resource_link_id", "gsdgsdgsdgsdsgddsg3g3");
-        //parameters.put("resource_link_id", ((User) SecurityContextHolder.getContext().getAuthentication().getPrincipal()).getUsername());
-        try {
-            Map<String, String> signedParameters = signer.signParameters(parameters, key, secret, url, "POST");
-            String link = url + "?" + "oauth_nonce=" + signedParameters.get("oauth_nonce") + "&oauth_signature=" + signedParameters.get("oauth_signature") + "&oauth_consumer_key=" + signedParameters.get("oauth_consumer_key") + "&oauth_signature_method=" + signedParameters.get("oauth_signature_method") + "&oauth_timestamp=" + signedParameters.get("oauth_timestamp") + "&oauth_version=" + signedParameters.get("oauth_version") + "&lti_message_type=" + signedParameters.get("lti_message_type") + "&lti_version=" + signedParameters.get("lti_version") + "&resource_link_id=" + signedParameters.get("resource_link_id");
-            model.addAttribute("parameters", signedParameters);
-            model.addAttribute("launchUrl", link);
-        } catch (LtiSigningException e) {
-            e.printStackTrace();
+    @Autowired
+    private UserRepository userRepository;
+
+    @Autowired
+    private GradeRepository gradeRepository;
+
+    @GetMapping("")
+    public String start(Model model){
+        List<Course> courses = courseRepository.findAll();
+        List<Course> coursesToReturn = new ArrayList<>();
+        User user = userRepository.findByUsername(((UserPrincipal) SecurityContextHolder.getContext().getAuthentication().getPrincipal()).getUsername());
+        for (Course course : courses) {
+            LtiSigner signer = new LtiOauthSigner();
+            Map<String, String> parameters = new HashMap<>();
+            parameters.put("lti_message_type", "basic-lti-launch-request");
+            parameters.put("lti_version", "LTI-1p0");
+            parameters.put("resource_link_id", user.getUsername() + "_" + course.getCourse_key());
+            parameters.put("user_id", user.getId().toString());
+            parameters.put("lis_person_name_given", user.getUsername());
+            parameters.put("tool_consumer_instance_name", "wmi.lti");
+            //parameters.put("target", "frame");
+            parameters.put("lis_outcome_service_url", "http://localhost:8080/grades");
+            parameters.put("lis_result_sourcedid", user.getUsername() + "_" + course.getCourse_key());
+            try {
+                Map<String, String> signedParameters = signer.signParameters(parameters, course.getCourse_key(), course.getSecret(), course.getUrl(), "POST");
+               /* String link = course.getUrl();
+                link += "?oauth_nonce=" + signedParameters.get("oauth_nonce") + "&oauth_signature=" + signedParameters.get("oauth_signature") + "&oauth_consumer_key=" + signedParameters.get("oauth_consumer_key") + "&oauth_signature_method=" + signedParameters.get("oauth_signature_method") + "&oauth_timestamp=" + signedParameters.get("oauth_timestamp") + "&oauth_version=" + signedParameters.get("oauth_version") + "&lti_message_type=" + signedParameters.get("lti_message_type") + "&lti_version=" + signedParameters.get("lti_version") + "&resource_link_id=" + signedParameters.get("resource_link_id") + "&user_id=" + signedParameters.get("user_id") + "&lis_person_name_given=" + signedParameters.get("lis_person_name_given") + "&tool_consumer_instance_name=" + signedParameters.get("tool_consumer_instance_name") + "&target=" + signedParameters.get("target");
+                */
+                course.setSecret(null);
+                course.setSignedParameters(signedParameters);
+                coursesToReturn.add(course);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
         }
-        //model.addAttribute("message", name);
-        return "start"; //view
 
+        List<Grade> grades = gradeRepository.findAllByUser(user);
+        List<GradeDTO> gradeDTOS = new ArrayList<>();
+        for (Grade grade : grades){
+            gradeDTOS.add(new GradeDTO(grade.getCourse().getName(), grade.getGrade()* 100 + "%"));
+        }
+
+        model.addAttribute("courses", coursesToReturn);
+        model.addAttribute("grades", gradeDTOS);
+        return "start"; //view
     }
 }
 

src/main/java/com/wmi/lti/controllers/UserController.java

@@ -0,0 +1,38 @@
+package com.wmi.lti.controllers;
+
+import com.wmi.lti.model.user.User;
+import com.wmi.lti.model.user.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+@Controller
+@RequestMapping("/users")
+public class UserController {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Autowired
+    private PasswordEncoder passwordEncoder;
+
+    @PostMapping("")
+    public String create(@RequestParam String username, @RequestParam String password, Model model) {
+        User user = new User();
+        user.setUsername(username);
+        user.setPassword(passwordEncoder.encode(password));
+        userRepository.save(user);
+        return "login";
+    }
+
+    @GetMapping("/register")
+    public String getRegisterView() {
+        return "register";
+    }
+}

src/main/java/com/wmi/lti/model/course/Course.java

@@ -0,0 +1,43 @@
+package com.wmi.lti.model.course;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.Map;
+
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Course {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Getter
+    @Setter
+    private Long id;
+
+    @Getter
+    @Setter
+    private String name;
+
+    @Getter
+    @Setter
+    private String url;
+
+    @Getter
+    @Setter
+    private String course_key;
+
+    @Getter
+    @Setter
+    private String secret;
+
+    @Getter
+    @Setter
+    @Transient
+    private Map<String, String> signedParameters;
+
+}

src/main/java/com/wmi/lti/model/course/CourseRepository.java

@@ -0,0 +1,9 @@
+package com.wmi.lti.model.course;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CourseRepository extends JpaRepository<Course, Long> {
+
+        Course findFirstByName(String name);
+
+}

src/main/java/com/wmi/lti/model/grade/Grade.java

@@ -0,0 +1,41 @@
+package com.wmi.lti.model.grade;
+
+import com.wmi.lti.model.course.Course;
+import com.wmi.lti.model.user.User;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import javax.persistence.*;
+
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Grade {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Getter
+    @Setter
+    private Long id;
+
+    @Getter
+    @Setter
+    @ManyToOne
+    private Course course;
+
+    @Getter
+    @Setter
+    @ManyToOne
+    private User user;
+
+
+    @Getter
+    @Setter
+    private Double grade;
+
+    @Getter
+    @Setter
+    private String description;
+}

src/main/java/com/wmi/lti/model/grade/GradeDTO.java

@@ -0,0 +1,14 @@
+package com.wmi.lti.model.grade;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+@AllArgsConstructor
+@Getter
+@Setter
+public class GradeDTO {
+
+    private String courseName;
+    private String score;
+}

src/main/java/com/wmi/lti/model/grade/GradeRepository.java

@@ -0,0 +1,14 @@
+package com.wmi.lti.model.grade;
+
+import com.wmi.lti.model.course.Course;
+import com.wmi.lti.model.user.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface GradeRepository extends JpaRepository<Grade, Long> {
+    Optional<Grade> findGradeByCourseAndUser(Course course, User user);
+
+    List<Grade> findAllByUser(User user);
+}

src/main/java/com/wmi/lti/model/user/MyUserDetailsService.java

@@ -0,0 +1,24 @@
+package com.wmi.lti.model.user;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MyUserDetailsService implements UserDetailsService {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Override
+    public UserDetails loadUserByUsername(String username) {
+        User user = userRepository.findByUsername(username);
+        if (user == null) {
+            throw new UsernameNotFoundException(username);
+        }
+        return new UserPrincipal(user);
+    }
+
+}

src/main/java/com/wmi/lti/model/user/User.java

@@ -0,0 +1,28 @@
+package com.wmi.lti.model.user;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import javax.persistence.*;
+
+@Entity
+@NoArgsConstructor
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Getter
+    @Setter
+    private Long id;
+
+    @Getter
+    @Setter
+    @Column(nullable = false, unique = true)
+    private String username;
+
+    @Getter
+    @Setter
+    private String password;
+
+}

src/main/java/com/wmi/lti/model/user/UserPrincipal.java

@@ -0,0 +1,49 @@
+package com.wmi.lti.model.user;
+
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+
+import java.util.Collection;
+
+public class UserPrincipal implements UserDetails {
+    private User user;
+
+    public UserPrincipal(User user) {
+        this.user = user;
+    }
+
+    @Override
+    public Collection<? extends GrantedAuthority> getAuthorities() {
+        return null;
+    }
+
+    @Override
+    public String getPassword() {
+        return user.getPassword();
+    }
+
+    @Override
+    public String getUsername() {
+        return user.getUsername();
+    }
+
+    @Override
+    public boolean isAccountNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isAccountNonLocked() {
+        return true;
+    }
+
+    @Override
+    public boolean isCredentialsNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return true;
+    }
+}

src/main/java/com/wmi/lti/model/user/UserRepository.java

@@ -0,0 +1,9 @@
+package com.wmi.lti.model.user;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+
+    User findByUsername(String username);
+
+}

src/main/resources/application.properties

@@ -1,5 +1,5 @@
 spring.jpa.hibernate.ddl-auto=update
-spring.datasource.url=jdbc:mysql://localhost:3306/lti
+spring.datasource.url=jdbc:mysql://localhost:3307/lti
 spring.datasource.username=lti
 spring.datasource.password=YnBDC0hqqhKaxt94
 

src/main/resources/templates/addCourse.html

@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <title>LTI</title>
+
+    <link rel="stylesheet" th:href="@{/css/main.css}"/>
+</head>
+<body>
+This is tool consumer for LTI<br>
+<form th:action="@{/courses}" method="post">
+    <div><label> URL: <input type="text" name="url"/></label></div>
+    <div><label> Key: <input type="text" name="key"/></label></div>
+    <div><label> Secret: <input type="text" name="secret"/></label></div>
+    <div><label> Course name: <input type="text" name="name"/></label></div>
+    <div><input type="submit" value="Submit"/></div>
+</form>
+</body>
+</html>

src/main/resources/templates/home.html

@@ -1,15 +0,0 @@
-<!DOCTYPE html>
-<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-
-    <title>LTI</title>
-
-    <link rel="stylesheet" th:href="@{/css/main.css}"/>
-</head>
-<body>
-This is tool consumer for LTI<br>
-<button type="button" th:onclick="|window.location.href='/start?url=https://cloud.scorm.com/sc/blti&key=7ec922aa-7095-497d-a1b8-5a507008fb90&secret=Fr5hG91UdCPQ2mKodG82u3UNqf0SLJ7NB1wSxAJ8'|">Launch</button>
-</body>
-</html>

src/main/resources/templates/login.html

@@ -16,5 +16,9 @@
     <div><label> Password: <input type="password" name="password"/> </label></div>
     <div><input type="submit" value="Sign In"/></div>
 </form>
+
+<form th:action="@{/users/register}" method="get">
+    <div><input type="submit" value="Register"/></div>
+</form>
 </body>
 </html>

src/main/resources/templates/register.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <title>LTI start</title>
+
+    <link rel="stylesheet" th:href="@{/css/main.css}"/>
+</head>
+<body>
+<form th:action="@{/users}" method="post">
+    <div><label> User Name : <input type="text" name="username"/></label></div>
+    <div><label> Password: <input type="password" name="password"/></label></div>
+    <div><input type="submit" value="Register"/></div>
+</form>
+</body>
+</html>

src/main/resources/templates/start.html

@@ -9,8 +9,55 @@
     <link rel="stylesheet" th:href="@{/css/main.css}"/>
 </head>
 <body>
-<form th:action="${launchUrl}" target="_blank" method="POST">
-    <input type="submit">Launch Tool</input>
+
+<style>
+table {
+  border-collapse: collapse;
+  width: 100%;
+}
+
+td, th {
+  border: 1px solid #dddddd;
+  text-align: left;
+  padding: 8px;
+}
+
+tr:nth-child(even) {
+  background-color: #dddddd;
+}
+</style>
+
+<tr th:each="course: ${courses}">
+        <form target = "_blank" th:action="${course.url}" method="POST">
+            <th:block th:each="parameter : ${course.signedParameters}">
+                <input type="hidden" th:name="${parameter.key}" th:value="${parameter.value}" />
+            </th:block>
+            <input th:value="${course.name}" type="submit"/>
+        </form>
+</tr>
+
+
+<br><br><br>
+<form th:action="@{/courses/addCourse}" method="GET">
+    <div><input type="submit" value="Add new content"/></div>
 </form>
+
+<br><br><br>
+<H3>Grades</H3>
+
+<table>
+    <tr>
+        <th>Course</th>
+        <th>Grade</th>
+    </tr>
+    <th:block th:each="grade: ${grades}">
+
+        <tr>
+            <td th:text="${grade.courseName}">...</td>
+            <td th:text="${grade.score}">...</td>
+        </tr>
+    </th:block>
+</table>
+
 </body>
 </html>