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pluginManager.ts
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pluginManager.ts
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import RNFS from 'react-native-fs';
import { reverse, uniqBy } from 'lodash-es';
import { PluginDownloadFolder } from '@utils/constants/download';
import { newer } from '@utils/compareVersion';
// packages for plugins
import { load } from 'cheerio';
import dayjs from 'dayjs';
import qs from 'qs';
import { NovelStatus, Plugin, PluginItem } from './types';
import { FilterTypes } from './types/filterTypes';
import { isUrlAbsolute } from './helpers/isAbsoluteUrl';
import { fetchApi, fetchFile, fetchProto, fetchText } from './helpers/fetch';
import { defaultCover } from './helpers/constants';
import { encode, decode } from 'urlencode';
import { Parser } from 'htmlparser2';
import TextFile from '@native/TextFile';
import { getRepositoriesFromDb } from '@database/queries/RepositoryQueries';
import { showToast } from '@utils/showToast';
const pluginsFilePath = PluginDownloadFolder + '/plugins.json';
const packages: Record<string, any> = {
'htmlparser2': { Parser },
'cheerio': { load },
'dayjs': dayjs,
'qs': qs,
'urlencode': { encode, decode },
'@libs/novelStatus': { NovelStatus },
'@libs/fetch': { fetchApi, fetchFile, fetchText, fetchProto },
'@libs/isAbsoluteUrl': { isUrlAbsolute },
'@libs/filterInputs': { FilterTypes },
'@libs/defaultCover': { defaultCover },
};
const _require = (packageName: string) => {
return packages[packageName];
};
const initPlugin = (rawCode: string) => {
try {
/* eslint no-new-func: "off", curly: "error" */
const plugin: Plugin = Function(
'require',
'module',
`const exports = module.exports = {};
${rawCode};
return exports.default`,
)(_require, {});
return plugin;
} catch (e) {
return undefined;
}
};
const plugins: Record<string, Plugin | undefined> = {};
let serializedPlugins: Record<string, string | undefined>;
const serializePlugin = async (
pluginId: string,
rawCode: string,
installed: boolean,
) => {
if (!serializedPlugins) {
if (await RNFS.exists(pluginsFilePath)) {
const content = await TextFile.readFile(pluginsFilePath);
serializedPlugins = JSON.parse(content);
} else {
serializedPlugins = {};
}
}
if (installed) {
serializedPlugins[pluginId] = rawCode;
} else {
serializedPlugins[pluginId] = undefined;
}
if (!(await RNFS.exists(PluginDownloadFolder))) {
await RNFS.mkdir(PluginDownloadFolder);
}
await TextFile.writeFile(pluginsFilePath, JSON.stringify(serializedPlugins));
};
const deserializePlugins = () => {
return TextFile.readFile(pluginsFilePath)
.then(content => {
serializedPlugins = JSON.parse(content);
for (const script of Object.values(serializedPlugins)) {
const plugin = initPlugin(script as string);
if (plugin) {
plugins[plugin.id] = plugin;
}
}
})
.catch(() => {
// nothing to read
});
};
const installPlugin = async (url: string): Promise<Plugin | undefined> => {
try {
return await fetch(url, {
headers: { 'pragma': 'no-cache', 'cache-control': 'no-cache' },
})
.then(res => res.text())
.then(async rawCode => {
const plugin = initPlugin(rawCode);
if (!plugin) {
return undefined;
}
let currentPlugin = plugins[plugin.id];
if (!currentPlugin || newer(plugin.version, currentPlugin.version)) {
plugins[plugin.id] = plugin;
currentPlugin = plugin;
await serializePlugin(plugin.id, rawCode, true);
}
return currentPlugin;
});
} catch (e: any) {
throw e;
}
};
const uninstallPlugin = async (_plugin: PluginItem) => {
plugins[_plugin.id] = undefined;
return serializePlugin(_plugin.id, '', false);
};
const updatePlugin = async (plugin: PluginItem) => {
return installPlugin(plugin.url);
};
const fetchPlugins = async (): Promise<PluginItem[]> => {
const allPlugins: PluginItem[] = [];
const allRepositories = await getRepositoriesFromDb();
const repoPluginsRes = await Promise.allSettled(
allRepositories.map(({ url }) => fetch(url).then(res => res.json())),
);
repoPluginsRes.forEach(repoPlugins => {
if (repoPlugins.status === 'fulfilled') {
allPlugins.push(...repoPlugins.value);
} else {
showToast(repoPlugins.reason.toString());
}
});
return uniqBy(reverse(allPlugins), 'id');
};
const getPlugin = (pluginId: string) => plugins[pluginId];
const LOCAL_PLUGIN_ID = 'local';
export {
getPlugin,
installPlugin,
uninstallPlugin,
updatePlugin,
deserializePlugins,
fetchPlugins,
LOCAL_PLUGIN_ID,
};