org.ng200.openolympus.services.SecurityService.java Source code

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Here is the source code for org.ng200.openolympus.services.SecurityService.java

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/**
 * The MIT License
 * Copyright (c) 2014-2015 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.services;

import java.security.Principal;
import java.time.Instant;

import org.ng200.openolympus.model.Contest;
import org.ng200.openolympus.model.Role;
import org.ng200.openolympus.model.Solution;
import org.ng200.openolympus.model.Task;
import org.ng200.openolympus.model.User;
import org.ng200.openolympus.model.Verdict;
import org.ng200.openolympus.repositories.ContestParticipationRepository;
import org.ng200.openolympus.repositories.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service("oolsec")
public class SecurityService {

    @Autowired
    private ContestService contestService;

    @Autowired
    private UserRepository userRepository;

    @Autowired
    private TaskService taskService;

    @Autowired
    private ContestParticipationRepository contestParticipationRepository;

    @Autowired
    private RoleService roleService;

    @Autowired
    private PropertyService propertyService;

    public boolean isContestInProgressForUser(final Contest contest, String username) {
        return !contest.getStartTime().toInstant().isAfter(Instant.now()) && !this.contestService
                .getContestEndTimeForUser(contest, this.userRepository.findByUsername(username)).toInstant()
                .isBefore(Instant.now());
    }

    public boolean isContestOver(final Contest contest) {
        return this.contestService.getContestEndIncludingAllTimeExtensions(contest).isBefore(Instant.now());
    }

    public boolean isOnLockdown() {
        return this.propertyService.get("isOnLockdown", false).<Boolean>as().orElse(false);
    }

    public boolean isSolutionInCurrentContest(Solution solution) {
        final Contest runningContest = this.contestService.getRunningContest();
        return runningContest == null || (this.isTaskInContest(solution.getTask(), runningContest) &&

                runningContest.getStartTime().toInstant().isBefore(solution.getTimeAdded().toInstant())
                && this.contestService.getContestEndTimeForUser(runningContest, solution.getUser()).toInstant()
                        .isAfter(solution.getTimeAdded().toInstant()));
    }

    public boolean isSuperuser(final Principal principal) {
        if (principal == null) {
            return false;
        }
        return this.isSuperuser(this.userRepository.findByUsername(principal.getName()));
    }

    private boolean isSuperuser(final User user) {
        if (user == null) {
            return false;
        }
        return user.hasRole(this.roleService.getRoleByName(Role.SUPERUSER));
    }

    public boolean isTaskInContest(Task task, Contest contest) {
        if (contest.getTasks() == null)
            return false;
        return contest.getTasks().contains(task);
    }

    public boolean isTaskInCurrentContest(Task task) {
        final Contest runningContest = this.contestService.getRunningContest();
        return runningContest == null || runningContest.getTasks().contains(task);
    }

    public boolean noContest() {
        return this.contestService.getRunningContest() == null;
    }

    public boolean noLockdown() {
        return !this.isOnLockdown();
    }

    public boolean canViewVerdictDuringContest(Verdict verdict) {
        final Contest runningContest = this.contestService.getRunningContest();
        return runningContest == null || runningContest.isShowFullTestsDuringContest()
                || verdict.isViewableWhenContestRunning();
    }
}