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unknown 2020-05-02 17:19:39 +02:00
parent 2f164e7922
commit 5503210aeb
1 changed files with 12 additions and 3 deletions
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15
src/main/java/com/wmi/lti/controllers/StartController.java
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@ -2,7 +2,9 @@ package com.wmi.lti.controllers;
import com.wmi.lti.model.course.Course; import com.wmi.lti.model.course.Course;
import com.wmi.lti.model.course.CourseRepository; import com.wmi.lti.model.course.CourseRepository;
import com.wmi.lti.model.user.User;
import com.wmi.lti.model.user.UserPrincipal; 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.LtiOauthSigner;
import org.imsglobal.lti.launch.LtiSigner; import org.imsglobal.lti.launch.LtiSigner;
import org.imsglobal.lti.launch.LtiSigningException; import org.imsglobal.lti.launch.LtiSigningException;
@ -25,6 +27,9 @@ public class StartController {
@Autowired @Autowired
private CourseRepository courseRepository; private CourseRepository courseRepository;
@Autowired
private UserRepository userRepository;
@GetMapping("") @GetMapping("")
public String start(Model model){ public String start(Model model){
List<Course> courses = courseRepository.findAll(); List<Course> courses = courseRepository.findAll();
@ -32,17 +37,21 @@ public class StartController {
for (Course course : courses) { for (Course course : courses) {
LtiSigner signer = new LtiOauthSigner(); LtiSigner signer = new LtiOauthSigner();
Map<String, String> parameters = new HashMap<>(); Map<String, String> parameters = new HashMap<>();
User user = userRepository.findByUsername(((UserPrincipal) SecurityContextHolder.getContext().getAuthentication().getPrincipal()).getUsername());
parameters.put("lti_message_type", "basic-lti-launch-request"); parameters.put("lti_message_type", "basic-lti-launch-request");
parameters.put("lti_version", "LTI-1p0"); parameters.put("lti_version", "LTI-1p0");
parameters.put("resource_link_id", ((UserPrincipal) SecurityContextHolder.getContext().getAuthentication().getPrincipal()).getUsername()); 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");
try { try {
Map<String, String> signedParameters = signer.signParameters(parameters, course.getCourse_key(), course.getSecret(), course.getUrl(), "POST"); Map<String, String> signedParameters = signer.signParameters(parameters, course.getCourse_key(), course.getSecret(), course.getUrl(), "POST");
String link = course.getUrl() + "?" + "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"); String link = course.getUrl() + "?" + "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");
course.setSecret(null); course.setSecret(null);
course.setCourse_key(null); course.setCourse_key(null);
course.setUrl(link); course.setUrl(link);
coursesToReturn.add(course); coursesToReturn.add(course);
} catch (LtiSigningException e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
} }