Ghost/core/server/services/themes/validate.js
Nazar Gargol f21e713a83 Added temp file cleanup for invalid themes
refs #10174

- When theme check fails with validation error there was no cleanup of files left from zip extraction
2019-05-02 17:59:29 +02:00

67 lines
2.5 KiB
JavaScript

const _ = require('lodash');
const Promise = require('bluebird');
const fs = require('fs-extra');
const config = require('../../config');
const common = require('../../lib/common');
const canActivate = function canActivate(checkedTheme) {
// CASE: production and no fatal errors
// CASE: development returns fatal and none fatal errors, theme is only invalid if fatal errors
return !checkedTheme.results.error.length || (config.get('env') === 'development') && !checkedTheme.results.hasFatalErrors;
};
const check = function check(theme, isZip) {
// gscan can slow down boot time if we require on boot, for now nest the require.
const gscan = require('gscan');
let checkPromise;
if (isZip) {
checkPromise = gscan.checkZip(theme, {
keepExtractedDir: true
});
} else {
checkPromise = gscan.check(theme.path);
}
return checkPromise
.then(function resultHandler(checkedTheme) {
checkedTheme = gscan.format(checkedTheme, {
onlyFatalErrors: config.get('env') === 'production'
});
return checkedTheme;
});
};
const checkSafe = function checkSafe(theme, isZip) {
return check(theme, isZip)
.then((checkedTheme) => {
if (canActivate(checkedTheme)) {
return checkedTheme;
}
// NOTE: When theme cannot be activated and gscan explicitly keeps extracted files (after
// being called with `keepExtractedDir: true`), this is the closes place for a cleanup.
// TODO: The `keepExtractedDir` flag is the cause of confusion for when and where the cleanup
// should be done. It's probably best if gscan is called directly with path to the extracted
// directory, this would allow keeping gscan to do just one thing - validate the theme, and
// file manipulations could be left to another module/library
if (isZip) {
fs.remove(checkedTheme.path);
}
return Promise.reject(new common.errors.ThemeValidationError({
message: common.i18n.t('errors.api.themes.invalidTheme'),
errorDetails: Object.assign(
_.pick(checkedTheme, ['checkedVersion', 'name', 'path', 'version']), {
errors: checkedTheme.results.error
}
)
}));
});
};
module.exports.check = check;
module.exports.checkSafe = checkSafe;
module.exports.canActivate = canActivate;