Ghost/core/server/api/v0.1/settings.js
2019-06-21 16:34:17 +02:00

270 lines
8.3 KiB
JavaScript

// # Settings API
// RESTful API for the Setting resource
const Promise = require('bluebird'),
_ = require('lodash'),
models = require('../../models'),
canThis = require('../../services/permissions').canThis,
localUtils = require('./utils'),
routing = require('../../../frontend/services/routing'),
common = require('../../lib/common'),
settingsCache = require('../../services/settings/cache'),
docName = 'settings';
let settings,
settingsFilter,
settingsResult,
canEditAllSettings;
// ## Helpers
/**
* ### Settings Filter
* Filters an object based on a given filter object
* @private
* @param {Object} settings
* @param {String} filter
* @returns {*}
*/
settingsFilter = (settings, filter) => {
let filteredTypes = filter ? filter.split(',') : false;
return _.filter(settings, (setting) => {
if (filteredTypes) {
return _.includes(filteredTypes, setting.type);
}
return true;
});
};
/**
* ### Settings Result
*
* Takes a keyed JSON object
* E.g.
* db_hash: {
* id: '123abc',
* key: 'dbash',
* value: 'xxxx',
* type: 'core',
* timestamps
* }
*
* Performs a filter, based on the `type`
* And converts the remaining items to our API format by adding a `setting` and `meta` keys.
*
* @private
* @param {Object} settings - a keyed JSON object
* @param {String} type
* @returns {{settings: *}}
*/
settingsResult = (settings, type) => {
let filteredSettings = _.values(settingsFilter(settings, type)),
result = {
settings: filteredSettings,
meta: {}
};
if (type) {
result.meta.filters = {
type: type
};
}
return result;
};
/**
* ### Can Edit All Settings
* Check that this edit request is allowed for all settings requested to be updated
* @private
* @param {Object} settingsInfo
* @returns {*}
*/
canEditAllSettings = (settingsInfo, options) => {
let checkSettingPermissions = (setting) => {
if (setting.type === 'core' && !(options.context && options.context.internal)) {
return Promise.reject(
new common.errors.NoPermissionError({message: common.i18n.t('errors.api.settings.accessCoreSettingFromExtReq')})
);
}
return canThis(options.context).edit.setting(setting.key).catch(() => {
return Promise.reject(new common.errors.NoPermissionError({message: common.i18n.t('errors.api.settings.noPermissionToEditSettings')}));
});
},
checks = settingsInfo.map((settingInfo) => {
let setting = settingsCache.get(settingInfo.key, {resolve: false});
if (!setting) {
return Promise.reject(new common.errors.NotFoundError(
{message: common.i18n.t('errors.api.settings.problemFindingSetting', {key: settingInfo.key})}
));
}
if (setting.key === 'active_theme') {
return Promise.reject(
new common.errors.BadRequestError({
message: common.i18n.t('errors.api.settings.activeThemeSetViaAPI.error'),
help: common.i18n.t('errors.api.settings.activeThemeSetViaAPI.help')
})
);
}
return checkSettingPermissions(setting);
});
return Promise.all(checks);
};
/**
* ## Settings API Methods
*
* **See:** [API Methods](constants.js.html#api%20methods)
*/
settings = {
/**
* ### Browse
* @param {Object} options
* @returns {*}
*/
browse(options) {
options = options || {};
let result = settingsResult(settingsCache.getAll(), options.type);
// If there is no context, return only blog settings
if (!options.context) {
return Promise.resolve(result.settings.filter((setting) => {
return setting.type === 'blog';
}));
}
// Otherwise return whatever this context is allowed to browse
return canThis(options.context).browse.setting().then(() => {
// Omit core settings unless internal request
if (!options.context.internal) {
result.settings = result.settings.filter((setting) => {
return setting.type !== 'core' && setting.key !== 'permalinks';
});
}
return result;
});
},
/**
* ### Read
* @param {Object} options
* @returns {*}
*/
read(options) {
if (_.isString(options)) {
options = {key: options};
}
let setting = settingsCache.get(options.key, {resolve: false}),
result = {};
if (!setting) {
return Promise.reject(new common.errors.NotFoundError(
{message: common.i18n.t('errors.api.settings.problemFindingSetting', {key: options.key})}
));
}
result[options.key] = setting;
if (setting.type === 'core' && !(options.context && options.context.internal)) {
return Promise.reject(
new common.errors.NoPermissionError({message: common.i18n.t('errors.api.settings.accessCoreSettingFromExtReq')})
);
}
if (setting.key === 'permalinks') {
return Promise.reject(new common.errors.NotFoundError({
message: common.i18n.t('errors.errors.resourceNotFound')
}));
}
if (setting.type === 'blog') {
return Promise.resolve(settingsResult(result));
}
return canThis(options.context).read.setting(options.key).then(() => {
return settingsResult(result);
}, () => {
return Promise.reject(new common.errors.NoPermissionError({message: common.i18n.t('errors.api.settings.noPermissionToReadSettings')}));
});
},
/**
* ### Edit
* Update properties of a setting
* @param {{settings: }} object Setting or a single string name
* @param {{id (required), include,...}} options (optional) or a single string value
* @return {Promise(Setting)} Edited Setting
*/
edit(object, options) {
options = options || {};
let type;
// Allow shorthand syntax where a single key and value are passed to edit instead of object and options
if (_.isString(object)) {
object = {settings: [{key: object, value: options}]};
}
// clean data
object.settings.forEach((setting) => {
if (!_.isString(setting.value)) {
setting.value = JSON.stringify(setting.value);
}
});
type = object.settings.find((setting) => {
return setting.key === 'type';
});
if (_.isObject(type)) {
type = type.value;
}
object.settings = _.reject(object.settings, (setting) => {
return setting.key === 'type';
});
if (object.settings[0].key === 'permalinks') {
return Promise.reject(new common.errors.NotFoundError({
message: common.i18n.t('errors.errors.resourceNotFound')
}));
}
return canEditAllSettings(object.settings, options).then(() => {
return localUtils.checkObject(object, docName).then((checkedData) => {
return models.Settings.edit(checkedData.settings, options);
}).then((settingsModelsArray) => {
// Instead of a standard bookshelf collection, Settings.edit returns an array of Settings Models.
// We convert this to JSON, by calling toJSON on each Model (using invokeMap for ease)
// We use keyBy to create an object that uses the 'key' as a key for each setting.
let settingsKeyedJSON = _.keyBy(_.invokeMap(settingsModelsArray, 'toJSON'), 'key');
return settingsResult(settingsKeyedJSON, type);
});
});
},
upload(options) {
return localUtils.handlePermissions('settings', 'edit')(options)
.then(() => {
return routing.settings.setFromFilePath(options.path);
});
},
download(options) {
return localUtils.handlePermissions('settings', 'browse')(options)
.then(() => {
return routing.settings.get();
});
}
};
module.exports = settings;