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Viewing file:     common-validators.js (6.2 KB)      -rw-r--r--

'use strict';

const { yup } = require('strapi-utils');
const _ = require('lodash');
const { isEmpty, has, isNil, isArray } = require('lodash/fp');
const { getService } = require('../utils');
const actionDomain = require('../domain/action');
const {
  checkFieldsAreCorrectlyNested,
  checkFieldsDontHaveDuplicates,
} = require('./common-functions');

const getActionFromProvider = actionId => {
  return getService('permission').actionProvider.get(actionId);
};

const email = yup
  .string()
  .email()
  .lowercase();

const firstname = yup.string().min(1);

const lastname = yup.string().min(1);

const username = yup.string().min(1);

const password = yup
  .string()
  .min(8)
  .matches(/[a-z]/, '${path} must contain at least one lowercase character')
  .matches(/[A-Z]/, '${path} must contain at least one uppercase character')
  .matches(/\d/, '${path} must contain at least one number');

const roles = yup.array(yup.strapiID()).min(1);

const isAPluginName = yup
  .string()
  .test('is-a-plugin-name', 'is not a plugin name', function(value) {
    return [undefined, 'admin', ...Object.keys(strapi.plugins)].includes(value)
      ? true
      : this.createError({ path: this.path, message: `${this.path} is not an existing plugin` });
  });

const arrayOfConditionNames = yup
  .array()
  .of(yup.string())
  .test('is-an-array-of-conditions', 'is not a plugin name', function(value) {
    const ids = strapi.admin.services.permission.conditionProvider.keys();
    return _.isUndefined(value) || _.difference(value, ids).length === 0
      ? true
      : this.createError({ path: this.path, message: `contains conditions that don't exist` });
  });

const permissionsAreEquals = (a, b) =>
  a.action === b.action && (a.subject === b.subject || (_.isNil(a.subject) && _.isNil(b.subject)));

const checkNoDuplicatedPermissions = permissions =>
  !Array.isArray(permissions) ||
  permissions.every((permA, i) =>
    permissions.slice(i + 1).every(permB => !permissionsAreEquals(permA, permB))
  );

const checkNilFields = action =>
  function(fields) {
    // If the parent has no action field, then we ignore this test
    if (isNil(action)) {
      return true;
    }

    return actionDomain.appliesToProperty('fields', action) || isNil(fields);
  };

const fieldsPropertyValidation = action =>
  yup
    .array()
    .of(yup.string())
    .nullable()
    .test(
      'field-nested',
      'Fields format are incorrect (bad nesting).',
      checkFieldsAreCorrectlyNested
    )
    .test(
      'field-nested',
      'Fields format are incorrect (duplicates).',
      checkFieldsDontHaveDuplicates
    )
    .test(
      'fields-restriction',
      'The permission at ${path} must have fields set to null or undefined',
      checkNilFields(action)
    );

const updatePermissions = yup
  .object()
  .shape({
    permissions: yup
      .array()
      .required()
      .of(
        yup
          .object()
          .shape({
            action: yup
              .string()
              .required()
              .test('action-validity', 'action is not an existing permission action', function(
                actionId
              ) {
                // If the action field is Nil, ignore the test and let the required check handle the error
                if (isNil(actionId)) {
                  return true;
                }

                return !!getActionFromProvider(actionId);
              }),
            subject: yup
              .string()
              .nullable()
              .test('subject-validity', 'Invalid subject submitted', function(subject) {
                const action = getActionFromProvider(this.options.parent.action);

                if (!action) {
                  return true;
                }

                if (isNil(action.subjects)) {
                  return isNil(subject);
                }

                if (isArray(action.subjects)) {
                  return action.subjects.includes(subject);
                }

                return false;
              }),
            properties: yup
              .object()
              .test('properties-structure', 'Invalid property set at ${path}', function(
                properties
              ) {
                const action = getActionFromProvider(this.options.parent.action);
                const hasNoProperties = isEmpty(properties) || isNil(properties);

                if (!has('options.applyToProperties', action)) {
                  return hasNoProperties;
                }

                if (hasNoProperties) {
                  return true;
                }

                const { applyToProperties } = action.options;

                if (!isArray(applyToProperties)) {
                  return false;
                }

                return Object.keys(properties).every(property =>
                  applyToProperties.includes(property)
                );
              })
              .test('fields-property', 'Invalid fields property at ${path}', async function(
                properties = {}
              ) {
                const action = getActionFromProvider(this.options.parent.action);

                if (!action || !properties) {
                  return true;
                }

                if (!actionDomain.appliesToProperty('fields', action)) {
                  return true;
                }

                try {
                  await fieldsPropertyValidation(action).validate(properties.fields, {
                    strict: true,
                    abortEarly: false,
                  });
                  return true;
                } catch (e) {
                  // Propagate fieldsPropertyValidation error with updated path
                  throw this.createError({
                    message: e.message,
                    path: `${this.path}.fields`,
                  });
                }
              }),
            conditions: yup.array().of(yup.string()),
          })
          .noUnknown()
      )
      .test(
        'duplicated-permissions',
        'Some permissions are duplicated (same action and subject)',
        checkNoDuplicatedPermissions
      ),
  })
  .required()
  .noUnknown();

module.exports = {
  email,
  firstname,
  lastname,
  username,
  password,
  roles,
  isAPluginName,
  arrayOfConditionNames,
  updatePermissions,
};