uoa-repository-manager-service/src/main/java/eu/dnetlib/repo/manager/controllers/UserRoleController.java

package eu.dnetlib.repo.manager.controllers;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import eu.dnetlib.repo.manager.domain.dto.Role;
import eu.dnetlib.repo.manager.service.aai.registry.AaiRegistryService;
import eu.dnetlib.repo.manager.service.security.RoleMappingService;
import eu.dnetlib.repo.manager.service.security.AuthoritiesMapper;
import eu.dnetlib.repo.manager.service.security.AuthoritiesUpdater;
import eu.dnetlib.repo.manager.utils.JsonUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.mitre.openid.connect.model.OIDCAuthenticationToken;
import org.mitre.openid.connect.model.UserInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

@RestController
@RequestMapping(value = "/role-management")
@Api(description = "Role Management", value = "role-management")
public class UserRoleController {

    private final AaiRegistryService aaiRegistryService;
    private final AuthoritiesUpdater authoritiesUpdater;
    private final RoleMappingService roleMappingService;

    @Autowired
    UserRoleController(AaiRegistryService aaiRegistryService,
                       AuthoritiesUpdater authoritiesUpdater,
                       RoleMappingService roleMappingService) {
        this.aaiRegistryService = aaiRegistryService;
        this.authoritiesUpdater = authoritiesUpdater;
        this.roleMappingService = roleMappingService;
    }

    /**
     * Get the role with the given id.
     **/
    @RequestMapping(method = RequestMethod.GET, path = "/role/{id}")
//    @PreAuthorize("hasAnyAuthority('ROLE_USER', 'ROLE_ADMIN', 'ROLE_PROVIDE_ADMIN')")
    public Response getRole(@RequestParam(value = "type", defaultValue = "datasource") String type, @PathVariable("id") String id) {
        int roleId = aaiRegistryService.getCouId(type, id);
        return Response.status(HttpStatus.OK.value()).entity(JsonUtils.createResponse("Role id is: " + roleId).toString()).type(MediaType.APPLICATION_JSON).build();
    }

    /**
     * Create a new role with the given name and description.
     **/
    @RequestMapping(method = RequestMethod.POST, path = "/role")
    @PreAuthorize("hasAnyAuthority('ROLE_ADMIN')")
    public Response createRole(@RequestBody Role role) {
        aaiRegistryService.createRole(role);
        return Response.status(HttpStatus.OK.value()).entity(JsonUtils.createResponse("Role has been created").toString()).type(MediaType.APPLICATION_JSON).build();
    }

    /**
     * Subscribe to a type(Community, etc.) with id(ee, egi, etc.)
     */
    @ApiOperation(value = "subscribe")
    @RequestMapping(method = RequestMethod.POST, path = "/subscribe/{type}/{id}")
    @PreAuthorize("hasAnyAuthority('ROLE_ADMIN', 'ROLE_PROVIDE_ADMIN')")
    public Response subscribe(@PathVariable("type") String type, @PathVariable("id") String id) {
        Integer coPersonId = aaiRegistryService.getCoPersonIdByIdentifier();
        if (coPersonId == null) {
            coPersonId = aaiRegistryService.getCoPersonIdByEmail();
        }
        Integer couId = aaiRegistryService.getCouId(type, id);
        if (couId != null) {
            Integer role = aaiRegistryService.getRoleId(coPersonId, couId);
            aaiRegistryService.assignMemberRole(coPersonId, couId, role);

            // Add role to current authorities
            authoritiesUpdater.addRole(roleMappingService.convertRepoIdToAuthority(id));

            return Response.status(HttpStatus.OK.value()).entity(JsonUtils.createResponse("Role has been assigned").toString()).type(MediaType.APPLICATION_JSON).build();
        } else {
            return Response.status(HttpStatus.NOT_FOUND.value()).entity(JsonUtils.createResponse("Role has not been found").toString()).type(MediaType.APPLICATION_JSON).build();
        }
    }
    /////////////////////////////////////////////////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////////////

    @RequestMapping(method = RequestMethod.GET, path = "/users/couid/{id}")
    @PreAuthorize("hasAnyAuthority('ROLE_ADMIN', 'ROLE_PROVIDE_ADMIN')")
    public ResponseEntity<String> getUsersByCouId(@PathVariable("id") Integer id) {
//        calls.getUserByCoId()
        return ResponseEntity.ok(aaiRegistryService.getUsersByCouId(id).toString());
    }


    @RequestMapping(method = RequestMethod.GET, path = "/users/{email}/roles")
    @PreAuthorize("hasAnyAuthority('ROLE_ADMIN', 'ROLE_PROVIDE_ADMIN') or hasRole('ROLE_USER') and authentication.userInfo.email==#email")
    public ResponseEntity<Collection<String>> getRolesByEmail(@PathVariable("email") String email) {
        int coPersonId = aaiRegistryService.getCoPersonIdByEmail(email);
        List<Integer> list = new ArrayList<>();
        // FIXME: getRoles returns all roles of user, requested and active
        for (JsonElement element : aaiRegistryService.getRoles(coPersonId)) {
            list.add(element.getAsJsonObject().get("CouId").getAsInt());
        }
        return ResponseEntity.ok(aaiRegistryService.getCouNames(list).values());
    }


    @RequestMapping(method = RequestMethod.GET, path = "/user/roles/my")
    @PreAuthorize("hasRole('ROLE_USER')")
    public ResponseEntity<Collection<String>> getRoleNames() {
        List<String> roles;
        JsonArray entitlements = null;
        UserInfo userInfo = ((OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication()).getUserInfo();
        if (userInfo.getSource().getAsJsonArray("edu_person_entitlements") != null) {
            entitlements = userInfo.getSource().getAsJsonArray("edu_person_entitlements");
        } else if (userInfo.getSource().getAsJsonArray("eduperson_entitlement") != null) {
            entitlements = userInfo.getSource().getAsJsonArray("eduperson_entitlement");
        } else {
            return ResponseEntity.ok(null);
        }
        roles = AuthoritiesMapper.entitlementRoles(entitlements);
        return ResponseEntity.ok(roles);
    }

}