Integrated code lifecycle: Improve access log handling

src/main/java/de/tum/cit/aet/artemis/programming/domain/AuthenticationMechanism.java

@@ -21,4 +21,8 @@ public enum AuthenticationMechanism {
      * The user used the artemis client code editor to authenticate to the LocalVC
      */
     CODE_EDITOR,
+    /**
+     * The user attempted to authenticate to the LocalVC using either a user token or a participation token
+     */
+    VCS_ACCESS_TOKEN,
 }

src/main/java/de/tum/cit/aet/artemis/programming/domain/VcsAccessLog.java

@@ -77,6 +77,10 @@ public void setCommitHash(String commitHash) {
         this.commitHash = commitHash;
     }
 
+    public void setRepositoryActionType(RepositoryActionType repositoryActionType) {
+        this.repositoryActionType = repositoryActionType;
+    }
+
     public User getUser() {
         return user;
     }

src/main/java/de/tum/cit/aet/artemis/programming/repository/ProgrammingExerciseStudentParticipationRepository.java

@@ -82,6 +82,12 @@ default ProgrammingExerciseStudentParticipation findByExerciseIdAndStudentLoginO
         return getValueElseThrow(findByExerciseIdAndStudentLogin(exerciseId, username));
     }
 
+    Optional<ProgrammingExerciseStudentParticipation> findByRepositoryUri(@Param("repositoryUri") String repositoryUri);
+
+    default ProgrammingExerciseStudentParticipation findByRepositoryUriElseThrow(String repositoryUri) {
+        return getValueElseThrow(findByRepositoryUri(repositoryUri));
+    }
+
     @EntityGraph(type = LOAD, attributePaths = { "submissions" })
     Optional<ProgrammingExerciseStudentParticipation> findWithSubmissionsByExerciseIdAndStudentLogin(long exerciseId, String username);
 

src/main/java/de/tum/cit/aet/artemis/programming/repository/SolutionProgrammingExerciseParticipationRepository.java

@@ -43,6 +43,12 @@ public interface SolutionProgrammingExerciseParticipationRepository
             """)
     Optional<SolutionProgrammingExerciseParticipation> findByBuildPlanIdWithResults(@Param("buildPlanId") String buildPlanId);
 
+    Optional<SolutionProgrammingExerciseParticipation> findByRepositoryUri(@Param("repositoryUri") String repositoryUri);
+
+    default SolutionProgrammingExerciseParticipation findByRepositoryUriElseThrow(String repositoryUri) {
+        return getValueElseThrow(findByRepositoryUri(repositoryUri));
+    }
+
     @EntityGraph(type = LOAD, attributePaths = { "results", "submissions", "submissions.results" })
     Optional<SolutionProgrammingExerciseParticipation> findWithEagerResultsAndSubmissionsByProgrammingExerciseId(long exerciseId);
 

src/main/java/de/tum/cit/aet/artemis/programming/repository/TemplateProgrammingExerciseParticipationRepository.java

@@ -48,6 +48,12 @@ default TemplateProgrammingExerciseParticipation findWithEagerResultsAndSubmissi
         return getValueElseThrow(findWithEagerResultsAndSubmissionsByProgrammingExerciseId(exerciseId));
     }
 
+    Optional<TemplateProgrammingExerciseParticipation> findByRepositoryUri(@Param("repositoryUri") String repositoryUri);
+
+    default TemplateProgrammingExerciseParticipation findByRepositoryUriElseThrow(String repositoryUri) {
+        return getValueElseThrow(findByRepositoryUri(repositoryUri));
+    }
+
     @EntityGraph(type = LOAD, attributePaths = { "results", "results.feedbacks", "results.feedbacks.testCase", "submissions" })
     Optional<TemplateProgrammingExerciseParticipation> findWithEagerResultsAndFeedbacksAndTestCasesAndSubmissionsByProgrammingExerciseId(long exerciseId);
 

src/main/java/de/tum/cit/aet/artemis/programming/repository/VcsAccessLogRepository.java

@@ -33,14 +33,14 @@ public interface VcsAccessLogRepository extends ArtemisJpaRepository<VcsAccessLo
      * @return a log entry belonging to the participationId, which has no commit hash
      */
     @Query("""
+
             SELECT vcsAccessLog
-            FROM VcsAccessLog vcsAccessLog
-            WHERE vcsAccessLog.participation.id = :participationId
-                AND vcsAccessLog.commitHash IS NULL
-            ORDER BY vcsAccessLog.timestamp DESC
-            LIMIT 1
-            """)
-    Optional<VcsAccessLog> findNewestByParticipationIdWhereCommitHashIsNull(@Param("participationId") long participationId);
+                FROM VcsAccessLog vcsAccessLog
+                WHERE vcsAccessLog.participation.id = :participationId
+                ORDER BY vcsAccessLog.timestamp DESC
+                LIMIT 1
+                """)
+    Optional<VcsAccessLog> findNewestByParticipationId(@Param("participationId") long participationId);
 
     /**
      * Retrieves a list of {@link VcsAccessLog} entities associated with the specified participation ID.
@@ -62,7 +62,6 @@ public interface VcsAccessLogRepository extends ArtemisJpaRepository<VcsAccessLo
      * The results are ordered by the log ID in ascending order.
      *
      * @param date The date before which all log ids should be fetched
-     *
      * @return a list of ids of the access logs, which have a timestamp before the date
      */
     @Query("""

src/main/java/de/tum/cit/aet/artemis/programming/service/ProgrammingExerciseParticipationService.java

@@ -452,7 +452,7 @@ public void resetRepository(VcsRepositoryUri targetURL, VcsRepositoryUri sourceU
      * @return the participation.
      * @throws EntityNotFoundException if the participation could not be found.
      */
-    public ProgrammingExerciseParticipation getParticipationForRepository(ProgrammingExercise exercise, String repositoryTypeOrUserName, boolean isPracticeRepository,
+    public ProgrammingExerciseParticipation retrieveParticipationForRepository(ProgrammingExercise exercise, String repositoryTypeOrUserName, boolean isPracticeRepository,
             boolean withSubmissions) {
 
         boolean isAuxiliaryRepository = auxiliaryRepositoryService.isAuxiliaryRepositoryOfExercise(repositoryTypeOrUserName, exercise);
@@ -501,6 +501,27 @@ public ProgrammingExerciseParticipation getParticipationForRepository(Programmin
         return findStudentParticipationByExerciseAndStudentLoginAndTestRunOrThrow(exercise, repositoryTypeOrUserName, isPracticeRepository, withSubmissions);
     }
 
+    /**
+     * Get the participation for a given repository url and a repository type or user name. This method is used by the local VC system to get the
+     * participation for logging operations on the repository.
+     *
+     * @param repositoryTypeOrUserName the name of the user or the type of the repository
+     * @param repositoryURI            the participation's repository URL
+     * @return the participation belonging to the provided repositoryURI and repository type or username
+     */
+    public ProgrammingExerciseParticipation retrieveParticipationForRepository(String repositoryTypeOrUserName, String repositoryURI) {
+        if (repositoryTypeOrUserName.equals(RepositoryType.SOLUTION.toString()) || repositoryTypeOrUserName.equals(RepositoryType.TESTS.toString())) {
+            return solutionParticipationRepository.findByRepositoryUriElseThrow(repositoryURI);
+        }
+        if (repositoryTypeOrUserName.equals(RepositoryType.TEMPLATE.toString())) {
+            return templateParticipationRepository.findByRepositoryUriElseThrow(repositoryURI);
+        }
+        if (repositoryTypeOrUserName.equals(RepositoryType.AUXILIARY.toString())) {
+            throw new EntityNotFoundException("Auxiliary repositories do not have participations.");
+        }
+        return studentParticipationRepository.findByRepositoryUriElseThrow(repositoryURI);
+    }
+
     /**
      * Get the commits information for the given participation.
      *

src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/ArtemisGitServletService.java

@@ -6,6 +6,7 @@
 
 import org.eclipse.jgit.http.server.GitServlet;
 import org.eclipse.jgit.transport.ReceivePack;
+import org.eclipse.jgit.transport.UploadPack;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
 
@@ -31,6 +32,13 @@ public ArtemisGitServletService(LocalVCServletService localVCServletService) {
 
     /**
      * Initialize the ArtemisGitServlet by setting the repository resolver and adding filters for fetch and push requests.
+     * Sets the pre/post receive/upload hooks.
+     * <p>
+     * For general information on the different hooks and git packs see the git documentation:
+     * <p>
+     * <a href="https://git-scm.com/docs/git-receive-pack">https://git-scm.com/docs/git-receive-pack</a>
+     * <p>
+     * <a href="https://git-scm.com/docs/git-upload-pack">https://git-scm.com/docs/git-upload-pack</a>
      */
     @PostConstruct
     @Override
@@ -55,5 +63,13 @@ public void init() {
             receivePack.setPostReceiveHook(new LocalVCPostPushHook(localVCServletService));
             return receivePack;
         });
+
+        this.setUploadPackFactory((request, repository) -> {
+            UploadPack uploadPack = new UploadPack(repository);
+
+            // Add the custom pre-upload hook, to distinguish between clone and pull operations
+            uploadPack.setPreUploadHook(new LocalVCFetchPreUploadHook(localVCServletService, request));
+            return uploadPack;
+        });
     }
 }

src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/LocalVCFetchFilter.java

@@ -10,6 +10,7 @@
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.security.core.AuthenticationException;
 import org.springframework.web.filter.OncePerRequestFilter;
 
 import de.tum.cit.aet.artemis.core.exception.localvc.LocalVCAuthException;
@@ -44,6 +45,11 @@ public void doFilterInternal(HttpServletRequest servletRequest, HttpServletRespo
             servletResponse.setStatus(localVCServletService.getHttpStatusForException(e, servletRequest.getRequestURI()));
             return;
         }
+        catch (AuthenticationException e) {
+            // intercept failed authentication to log it in the VCS access log
+            localVCServletService.createVCSAccessLogForFailedAuthenticationAttempt(servletRequest);
+            throw e;
+        }
 
         filterChain.doFilter(servletRequest, servletResponse);
     }

src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/LocalVCFetchPreUploadHook.java

@@ -0,0 +1,34 @@
+package de.tum.cit.aet.artemis.programming.service.localvc;
+
+import java.util.Collection;
+
+import jakarta.servlet.http.HttpServletRequest;
+
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.transport.PreUploadHook;
+import org.eclipse.jgit.transport.UploadPack;
+
+public class LocalVCFetchPreUploadHook implements PreUploadHook {
+
+    private final LocalVCServletService localVCServletService;
+
+    private final HttpServletRequest request;
+
+    public LocalVCFetchPreUploadHook(LocalVCServletService localVCServletService, HttpServletRequest request) {
+        this.localVCServletService = localVCServletService;
+        this.request = request;
+    }
+
+    @Override
+    public void onBeginNegotiateRound(UploadPack uploadPack, Collection<? extends ObjectId> collection, int clientOffered) {
+        localVCServletService.updateVCSAccessLogForCloneAndPullHTTPS(request, clientOffered);
+    }
+
+    @Override
+    public void onEndNegotiateRound(UploadPack uploadPack, Collection<? extends ObjectId> collection, int i, int i1, boolean b) {
+    }
+
+    @Override
+    public void onSendPack(UploadPack uploadPack, Collection<? extends ObjectId> collection, Collection<? extends ObjectId> collection1) {
+    }
+}

src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/LocalVCFetchPreUploadHookSSH.java

@@ -0,0 +1,37 @@
+package de.tum.cit.aet.artemis.programming.service.localvc;
+
+import java.nio.file.Path;
+import java.util.Collection;
+
+import org.apache.sshd.server.session.ServerSession;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.transport.PreUploadHook;
+import org.eclipse.jgit.transport.UploadPack;
+
+public class LocalVCFetchPreUploadHookSSH implements PreUploadHook {
+
+    private final LocalVCServletService localVCServletService;
+
+    private final ServerSession serverSession;
+
+    private final Path rootDir;
+
+    public LocalVCFetchPreUploadHookSSH(LocalVCServletService localVCServletService, ServerSession serverSession, Path rootDir) {
+        this.localVCServletService = localVCServletService;
+        this.serverSession = serverSession;
+        this.rootDir = rootDir;
+    }
+
+    @Override
+    public void onBeginNegotiateRound(UploadPack uploadPack, Collection<? extends ObjectId> collection, int clientOffered) {
+        localVCServletService.updateVCSAccessLogForCloneAndPullSSH(serverSession, rootDir, clientOffered);
+    }
+
+    @Override
+    public void onEndNegotiateRound(UploadPack uploadPack, Collection<? extends ObjectId> collection, int i, int i1, boolean b) {
+    }
+
+    @Override
+    public void onSendPack(UploadPack uploadPack, Collection<? extends ObjectId> collection, Collection<? extends ObjectId> collection1) {
+    }
+}

src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/LocalVCPushFilter.java

@@ -47,6 +47,7 @@ public void doFilterInternal(HttpServletRequest servletRequest, HttpServletRespo
             servletResponse.setStatus(localVCServletService.getHttpStatusForException(e, servletRequest.getRequestURI()));
             return;
         }
+        this.localVCServletService.updateVCSAccessLogForPushHTTPS(servletRequest);
 
         filterChain.doFilter(servletRequest, servletResponse);