101 lines
3.4 KiB
JavaScript
101 lines
3.4 KiB
JavaScript
const moment = require('moment-timezone');
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const fs = require('fs-extra');
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const path = require('path');
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const urlService = require('../url');
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const common = require('../../../server/lib/common');
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const config = require('../../../server/config');
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/**
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* The `routes.yaml` file offers a way to configure your Ghost blog. It's currently a setting feature
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* we have added. That's why the `routes.yaml` file is treated as a "setting" right now.
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* If we want to add single permissions for this file (e.g. upload/download routes.yaml), we can add later.
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*
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* How does it work?
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*
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* - we first reset all url generators (each url generator belongs to one express router)
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* - we don't destroy the resources, we only release them (this avoids reloading all resources from the db again)
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* - then we reload the whole site app, which will reset all routers and re-create the url generators
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*/
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const activate = (filePath) => {
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const settingsPath = config.getContentPath('settings');
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const backupRoutesPath = path.join(settingsPath, `routes-${moment().format('YYYY-MM-DD-HH-mm-ss')}.yaml`);
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return fs.copy(`${settingsPath}/routes.yaml`, backupRoutesPath)
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.then(() => {
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return fs.copy(filePath, `${settingsPath}/routes.yaml`);
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})
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.then(() => {
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urlService.resetGenerators({releaseResourcesOnly: true});
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})
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.then(() => {
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const siteApp = require('../../../server/web/site/app');
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const bringBackValidRoutes = () => {
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urlService.resetGenerators({releaseResourcesOnly: true});
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return fs.copy(backupRoutesPath, `${settingsPath}/routes.yaml`)
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.then(() => {
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return siteApp.reload();
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});
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};
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try {
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siteApp.reload();
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} catch (err) {
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return bringBackValidRoutes()
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.finally(() => {
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throw err;
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});
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}
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let tries = 0;
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function isBlogRunning() {
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return Promise.delay(1000)
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.then(() => {
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if (!urlService.hasFinished()) {
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if (tries > 5) {
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throw new common.errors.InternalServerError({
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message: 'Could not load routes.yaml file.'
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});
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}
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tries = tries + 1;
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return isBlogRunning();
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}
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});
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}
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return isBlogRunning()
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.catch((err) => {
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return bringBackValidRoutes()
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.finally(() => {
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throw err;
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});
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});
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});
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};
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const serve = () => {
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const routesPath = path.join(config.getContentPath('settings'), 'routes.yaml');
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return fs.readFile(routesPath, 'utf-8')
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.catch((err) => {
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if (err.code === 'ENOENT') {
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return Promise.resolve([]);
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}
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if (common.errors.utils.isIgnitionError(err)) {
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throw err;
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}
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throw new common.errors.NotFoundError({
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err: err
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});
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});
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};
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module.exports.activate = activate;
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module.exports.serve = serve;
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