Add support for writing client CAs when access-lists are updated

This commit adds the basic support necessary to produce the combined
client CA files when certificates are updated.

Author: wrouesnel

backend/internal/access-list.js

@@ -86,7 +86,7 @@ const internalAccessList = {
 				// re-fetch with expansions
 				return internalAccessList.get(access, {
 					id:     data.id,
-					expand: ['owner', 'items', 'clients', 'clientcas', 'proxy_hosts.access_list.[clientcas.certificate,clients,items]']
+					expand: ['owner', 'items', 'clients', 'clientcas.certificate', 'proxy_hosts.access_list.[clientcas,clients,items]']
 				}, true /* <- skip masking */);
 			})
 			.then((row) => {
@@ -261,10 +261,11 @@ const internalAccessList = {
 				// re-fetch with expansions
 				return internalAccessList.get(access, {
 					id:     data.id,
-					expand: ['owner', 'items', 'clients', 'clientcas', 'proxy_hosts.[certificate,access_list.[clientcas.certificate,clients,items]]']
+					expand: ['owner', 'items', 'clients', 'clientcas.certificate', 'proxy_hosts.[certificate,access_list.[clientcas.certificate,clients,items]]']
 				}, true /* <- skip masking */);
 			})
 			.then((row) => {
+				console.log(row);
 				return internalAccessList.build(row)
 					.then(() => {
 						if (row.proxy_host_count) {
@@ -299,7 +300,7 @@ const internalAccessList = {
 					.joinRaw('LEFT JOIN `proxy_host` ON `proxy_host`.`access_list_id` = `access_list`.`id` AND `proxy_host`.`is_deleted` = 0')
 					.where('access_list.is_deleted', 0)
 					.andWhere('access_list.id', data.id)
-					.withGraphFetched('[owner,items,clients,clientcas,proxy_hosts.[certificate,access_list.[clientcas.certificate,clients,items]]]')
+					.allowGraph('[owner,items,clients,clientcas.certificate,proxy_hosts.[certificate,access_list.[clientcas.certificate,clients,items]]]')
 					.first();
 
 				if (access_data.permission_visibility !== 'all') {
@@ -420,7 +421,7 @@ const internalAccessList = {
 					.joinRaw('LEFT JOIN `proxy_host` ON `proxy_host`.`access_list_id` = `access_list`.`id` AND `proxy_host`.`is_deleted` = 0')
 					.where('access_list.is_deleted', 0)
 					.groupBy('access_list.id')
-					.withGraphFetched('[owner,items,clients,clientcas.certificate]')
+					.allowGraph('[owner,items,clients,clientcas.certificate]')
 					.orderBy('access_list.name', 'ASC');
 
 				if (access_data.permission_visibility !== 'all') {
@@ -508,17 +509,27 @@ const internalAccessList = {
 		return '/data/access/' + list.id;
 	},
 
+	/**
+	 * @param   {Object}  list
+	 * @param   {Integer} list.id
+	 * @returns {String}
+	 */
+	getClientCAFilename: (list) => {
+		return '/data/clientca/' + list.id;
+	},
+
 	/**
 	 * @param   {Object}  list
 	 * @param   {Integer} list.id
 	 * @param   {String}  list.name
 	 * @param   {Array}   list.items
+	 * @param   {Array}   list.clientcas
 	 * @returns {Promise}
 	 */
 	build: (list) => {
-		logger.info('Building Access file #' + list.id + ' for: ' + list.name);
 
-		return new Promise((resolve, reject) => {
+		const htPasswdBuild =  new Promise((resolve, reject) => {
+			logger.info('Building Access file #' + list.id + ' for: ' + list.name);
 			let htpasswd_file = internalAccessList.getFilename(list);
 
 			// 1. remove any existing access file
@@ -566,6 +577,39 @@ const internalAccessList = {
 					});
 				}
 			});
+
+		const caCertificateBuild =  new Promise((resolve, reject) => {
+			// TODO: we need to ensure this rebuild is run if any certificates change
+			logger.info('Building Client CA file #' + list.id + ' for: ' + list.name);
+			let clientca_file = internalAccessList.getClientCAFilename(list);
+
+			const certificate_bodies = list.clientcas
+				.filter((clientca) => {
+					return clientca.certificate.meta === undefined;
+				})
+				.map((clientca) => {
+					return clientca.certificate.meta.certificate;
+				});
+
+			// Unlink the original file (nginx retains file handle till reload)
+			try {
+				fs.unlinkSync(clientca_file);
+			} catch (err) {
+				// do nothing
+			}
+
+			// Write the new file in one shot
+			try {
+				fs.writeFileSync(clientca_file, certificate_bodies.join('\n'), {encoding: 'utf8'});
+				logger.success('Built Client CA file #' + list.id + ' for: ' + list.name);
+				resolve(clientca_file);
+			} catch (err) {
+				reject(err);
+			}
+		});
+
+		// Execute both promises concurrently
+		return Promise.all([htPasswdBuild, caCertificateBuild]);
 	}
 };
 

docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/20-paths.sh

@@ -20,6 +20,7 @@ mkdir -p \
 	/data/custom_ssl \
 	/data/logs \
 	/data/access \
+	/data/clientca \
 	/data/nginx/default_host \
 	/data/nginx/default_www \
 	/data/nginx/proxy_host \

frontend/js/app/nginx/access/main.js

@@ -73,7 +73,7 @@ module.exports = Mn.View.extend({
             e.preventDefault();
             let query = this.ui.query.val();
 
-            this.fetch(['owner', 'items', 'clients', 'clientcas'], query)
+            this.fetch(['owner', 'items', 'clients', 'clientcas.certificate'], query)
                 .then(response => this.showData(response))
                 .catch(err => {
                     this.showError(err);
@@ -88,7 +88,7 @@ module.exports = Mn.View.extend({
     onRender: function () {
         let view = this;
 
-        view.fetch(['owner', 'items', 'clients', 'clientcas'])
+        view.fetch(['owner', 'items', 'clients', 'clientcas.certificate'])
             .then(response => {
                 if (!view.isDestroyed()) {
                     if (response && response.length) {