All files / common/models access-control.js

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'use strict';
 
const logger = require('../../services/logger');
 
module.exports = function(Accesscontrol) {
  Accesscontrol.getOperationsTable = async function() {
    let operations = [];
    let translatedRoles = [];
    try {
      let groups = await Accesscontrol.app.models.operationGroup.find({
        include: {accessControls: 'role'}
      });
      const roleTranslations = await Accesscontrol.app.models.roleTranslations.find();
      const roles = await Accesscontrol.app.models.Role.find();
      for (const role of roles) {
        role.translations = [];
        for (const roleTranslation of roleTranslations) {
          if (roleTranslation.RoleId === role.id) {
            role.translations.push(roleTranslation);
          }
        }
        translatedRoles.push(role);
      }
 
      groups = groups.map(element => element.toJSON());
      groups.forEach(function(group) {
        roles.forEach(function(role) {
          let checked = false;
          group.accessControls.forEach(function(element) {
            if (element.role.name === role.name) checked = true;
          });
          const operationCheck = {};
          operationCheck.id = group.id;
          operationCheck.name = group.Name;
          operationCheck.role = role.name;
          operationCheck.checked = checked;
          operations.push(operationCheck);
        });
      });
      return {groups: operations, roles: translatedRoles};
    } catch (e) {
      console.log(e);
      logger.debug(`Error getting authorization data, ${e}`);
      return null;
    }
  };
 
  Accesscontrol.remoteMethod('getOperationsTable', {
    http: {verb: 'get'},
    returns: {
      arg: 'response',
      type: 'array',
      root: true
    }
  });
  Accesscontrol.savePermissions = (data, cb) => {
    if (!data || data.length === 0) throw new Error('No data provided!');
 
    try {
      Accesscontrol.app.dataSources.db.transaction(async models => {
        for (const operation of data) {
          const role = await models.Role.findOne({
            where: {
              name: operation.role
            }
          });
          const accessControl = await models.accessControl.findOne({
            where: {
              GroupId: operation.id,
              RoleId: role.id
            }
          });
          if (operation.checked) {
            if (!accessControl) {
              await models.accessControl.create({
                RoleId: role.id,
                GroupId: operation.id
              });
            }
          } else {
            if (accessControl) {
              await models.accessControl.destroyById(accessControl.id);
            }
          }
        }
        return cb(null, true);
      });
    } catch (e) {
      logger.debug(`Error saving permissions: ${e}`);
      return cb(null, false);
    }
  };
 
  Accesscontrol.remoteMethod('savePermissions', {
    http: {verb: 'post'},
    accepts: {
      arg: 'data',
      type: 'array'
    },
    returns: {
      arg: 'response',
      type: 'boolean',
      root: true
    }
  });
  Accesscontrol.getPermissions = async function(userId) {
    if (!userId) throw new Error('No userId provided!');
 
    try {
      let roleMappings = await Accesscontrol.app.models.RoleMapping.find({
        where: {principalId: userId}
      });
      roleMappings = roleMappings.map(r => r.roleId);
      const roles = await Accesscontrol.app.models.Role.find({
        where: {id: {inq: roleMappings}}
      });
      let permissions = [];
      for (const role of roles) {
        const accessControls = await Accesscontrol.find({
          include: 'operationGroup',
          where: {RoleId: role.id}
        });
        for (const access of accessControls) {
          if (access && access.toJSON().operationGroup)
            permissions.push(access.toJSON().operationGroup.Name);
        }
      }
      return permissions;
    } catch (e) {
      console.log(e);
      logger.debug(`Error getting authorization data, ${e}`);
      return null;
    }
  };
 
  Accesscontrol.remoteMethod('getPermissions', {
    http: {verb: 'get'},
    accepts: {
      arg: 'userId',
      type: 'number',
      required: true
    },
    returns: {
      arg: 'response',
      type: 'object',
      root: true
    }
  });
};