work on weather services; outbound http request caching; styles updates and icons

conf/00-default.yaml

@@ -69,3 +69,6 @@ color_themes:
   more_contrast:
     light: Minimal Light
     dark: Minimal Dark
+outbound_http:
+  https_only: false
+services: { }

conf/01-local-test.yaml

@@ -13,3 +13,28 @@ session_cookie:
 logging:
   level: debug
   pretty: true
+services:
+  # 
+  # Docs: <https://openweathermap.org/api>
+  # Access: <https://openweathermap.org/price>
+  openweathermap.org:
+    enabled: true
+    latitude: 45.49607
+    longitude: -122.67139
+    api_key: ''
+
+  # 
+  # Docs: <https://www.weatherapi.com/docs/>
+  # Access: <https://www.weatherapi.com/pricing.aspx>
+  weatherapi.com:
+    enabled: true
+    api_key: e18fb4e3257d4adaa6911347231607
+
+  # US only; Provides weather forecasts and alerts.
+  # Docs: <https://www.weather.gov/documentation/services-web-api>
+  # Access: Free; Set a User-Agent below to identify yourself (see docs)
+  weather.gov:
+    enabled: true
+    latitude: 45.4961
+    longitude: -122.6714
+    user_agent: (local.jbrumond.me, james@jbrumond.me)

package-lock.json

@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "@doc-utils/color-themes": "^0.1.15",
+        "@doc-utils/color-themes": "^0.1.16",
         "@fastify/compress": "^6.4.0",
         "@fastify/etag": "^4.2.0",
         "@fastify/formbody": "^7.4.0",
@@ -25,6 +25,8 @@
         "yaml": "^2.3.1"
       },
       "devDependencies": {
+        "@types/jsonld": "^1.5.9",
+        "@types/luxon": "^3.3.1",
         "@types/mustache": "^4.2.2",
         "@types/node": "^20.4.2",
         "json-schema": "^0.4.0",
@@ -33,9 +35,9 @@
       }
     },
     "node_modules/@doc-utils/color-themes": {
-      "version": "0.1.15",
+      "version": "0.1.16",
-      "resolved": "https://gitea.jbrumond.me/api/packages/doc-utils/npm/%40doc-utils%2Fcolor-themes/-/0.1.15/color-themes-0.1.15.tgz",
+      "resolved": "https://gitea.jbrumond.me/api/packages/doc-utils/npm/%40doc-utils%2Fcolor-themes/-/0.1.16/color-themes-0.1.16.tgz",
-      "integrity": "sha512-P0oIlq4Z0cUOf7P4T2OUfhT/Cn/msl3oHTenVWHxKMDPlIYueR6AhFdRCHTI0A+DxyH+0EIi6CnMq3JYnILI0w=="
+      "integrity": "sha512-6H0clUE0+mRQXbAHLinLSg8YfG3KkZ9zRhbngUtpwPbUHVt9WrnMkmT9rg2VXb+C+35oM6bRPX3QcJxmZESoLw=="
     },
     "node_modules/@fastify/accept-negotiator": {
       "version": "1.1.0",
@@ -171,6 +173,18 @@
         "node": ">= 6"
       }
     },
+    "node_modules/@types/jsonld": {
+      "version": "1.5.9",
+      "resolved": "https://registry.npmjs.org/@types/jsonld/-/jsonld-1.5.9.tgz",
+      "integrity": "sha512-K76ImkErPYL2wGPZpNFSKp6wE+h/APecZLJrU7UfDaGqt/f+D9Rrg1aR7VdRrQ6k5DUNRZ2vn9yACwmpOr9QcA==",
+      "dev": true
+    },
+    "node_modules/@types/luxon": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/@types/luxon/-/luxon-3.3.1.tgz",
+      "integrity": "sha512-XOS5nBcgEeP2PpcqJHjCWhUCAzGfXIU8ILOSLpx2FhxqMW9KdxgCGXNOEKGVBfveKtIpztHzKK5vSRVLyW/NqA==",
+      "dev": true
+    },
     "node_modules/@types/mustache": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/@types/mustache/-/mustache-4.2.2.tgz",
@@ -2347,9 +2361,9 @@
   },
   "dependencies": {
     "@doc-utils/color-themes": {
-      "version": "0.1.15",
+      "version": "0.1.16",
-      "resolved": "https://gitea.jbrumond.me/api/packages/doc-utils/npm/%40doc-utils%2Fcolor-themes/-/0.1.15/color-themes-0.1.15.tgz",
+      "resolved": "https://gitea.jbrumond.me/api/packages/doc-utils/npm/%40doc-utils%2Fcolor-themes/-/0.1.16/color-themes-0.1.16.tgz",
-      "integrity": "sha512-P0oIlq4Z0cUOf7P4T2OUfhT/Cn/msl3oHTenVWHxKMDPlIYueR6AhFdRCHTI0A+DxyH+0EIi6CnMq3JYnILI0w=="
+      "integrity": "sha512-6H0clUE0+mRQXbAHLinLSg8YfG3KkZ9zRhbngUtpwPbUHVt9WrnMkmT9rg2VXb+C+35oM6bRPX3QcJxmZESoLw=="
     },
     "@fastify/accept-negotiator": {
       "version": "1.1.0",
@@ -2469,6 +2483,18 @@
       "integrity": "sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==",
       "optional": true
     },
+    "@types/jsonld": {
+      "version": "1.5.9",
+      "resolved": "https://registry.npmjs.org/@types/jsonld/-/jsonld-1.5.9.tgz",
+      "integrity": "sha512-K76ImkErPYL2wGPZpNFSKp6wE+h/APecZLJrU7UfDaGqt/f+D9Rrg1aR7VdRrQ6k5DUNRZ2vn9yACwmpOr9QcA==",
+      "dev": true
+    },
+    "@types/luxon": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/@types/luxon/-/luxon-3.3.1.tgz",
+      "integrity": "sha512-XOS5nBcgEeP2PpcqJHjCWhUCAzGfXIU8ILOSLpx2FhxqMW9KdxgCGXNOEKGVBfveKtIpztHzKK5vSRVLyW/NqA==",
+      "dev": true
+    },
     "@types/mustache": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/@types/mustache/-/mustache-4.2.2.tgz",

package.json

@@ -16,6 +16,8 @@
   "author": "James Brumond <https://jbrumond.me>",
   "license": "ISC",
   "devDependencies": {
+    "@types/jsonld": "^1.5.9",
+    "@types/luxon": "^3.3.1",
     "@types/mustache": "^4.2.2",
     "@types/node": "^20.4.2",
     "json-schema": "^0.4.0",
@@ -23,7 +25,7 @@
     "typescript": "^5.1.3"
   },
   "dependencies": {
-    "@doc-utils/color-themes": "^0.1.15",
+    "@doc-utils/color-themes": "^0.1.16",
     "@fastify/compress": "^6.4.0",
     "@fastify/etag": "^4.2.0",
     "@fastify/formbody": "^7.4.0",

src/conf.ts

@@ -2,7 +2,7 @@
 import { promises as fs } from 'fs';
 import { join as path_join } from 'path';
 import { parse as parse_yaml } from 'yaml';
-import { deep_merge } from './utilities/deep-merge';
+import { deep_merge } from './utilities/deep';
 import { OIDCConfig, validate_oidc_conf } from './security/openid-connect';
 import { PKCECookieConfig, validate_pkce_cookie_conf } from './security/pkce-cookie';
 import { SnowflakeConfig, validate_snowflake_conf } from './utilities/snowflake-uid';
@@ -12,6 +12,8 @@ import { Argon2HashConfig } from './security/argon-hash';
 import { SessionCookieConfig, validate_session_cookie_conf } from './security/session';
 import { HttpConfig } from './http/server';
 import { ColorThemeConfig } from './utilities/color-themes';
+import { ServicesConfig, validate_services_conf } from './services';
+import { OutboundHttpConfig, validate_outbound_http_conf } from './http/outbound';
 
 const conf_dir = process.env.CONF_PATH;
 
@@ -34,6 +36,22 @@ export interface Conf {
 	storage: StorageConfig;
 	argon2: Argon2HashConfig;
 	color_themes: ColorThemeConfig;
+	outbound_http: OutboundHttpConfig;
+	services: ServicesConfig;
+}
+
+export type SecretValue = string | { from_env: string; };
+
+export function resolve_secret_value(value: SecretValue) {
+	if (typeof value === 'string') {
+		return value;
+	}
+
+	if (! value?.from_env) {
+		return null;
+	}
+
+	return process.env[value.from_env];
 }
 
 export async function load_conf() : Promise<unknown> {
@@ -100,4 +118,20 @@ export function validate_conf(conf: unknown) : asserts conf is Conf {
 	else {
 		throw new Error('`conf.session_cookie` is missing');
 	}
+
+	if ('outbound_http' in conf) {
+		validate_outbound_http_conf(conf.outbound_http);
+	}
+
+	else {
+		throw new Error('`conf.outbound_http` is missing');
+	}
+
+	if ('services' in conf) {
+		validate_services_conf(conf.services);
+	}
+
+	else {
+		throw new Error('`conf.services` is missing');
+	}
 }

src/http-web/assets.ts

@@ -0,0 +1,41 @@
+
+import { Req } from '../http/request';
+import { HttpConfig } from '../http/server';
+import { HttpWebDependencies } from './server';
+import { csp_headers } from '../http/content-security-policy';
+import { FastifyInstance, RouteShorthandOptions } from 'fastify';
+import { load_template } from '../utilities/mustache';
+
+export function register_asset_endpoints(http_server: FastifyInstance, conf: HttpConfig, { color_themes }: HttpWebDependencies) {
+	const opts: RouteShorthandOptions = {
+		schema: { },
+	};
+
+	endpoint('forms.css', 'text/css; charset=utf-8');
+	endpoint('popup.css', 'text/css; charset=utf-8');
+	endpoint('structure.css', 'text/css; charset=utf-8');
+	endpoint('typography.css', 'text/css; charset=utf-8');
+	endpoint('color-theme-controls.css', 'text/css; charset=utf-8');
+	endpoint('color-theme-controls.js', 'text/javascript');
+	
+	endpoint('weather.gov/styles.css', 'text/css; charset=utf-8');
+	endpoint('weatherapi.com/styles.css', 'text/css; charset=utf-8');
+
+	http_server.get('/themes.css', opts, async (req: Req, res) => {
+		res.status(200);
+		res.header('content-type', 'text/css; charset=utf-8');
+		res.header('cache-control', 'public, max-age=3600');
+		csp_headers(res, conf.exposed_url);
+		return color_themes.css;
+	});
+
+	function endpoint(path: string, media_type: string) {
+		http_server.get('/' + path, opts, async (req: Req, res) => {
+			res.status(200);
+			res.header('content-type', media_type);
+			res.header('cache-control', 'public, max-age=3600');
+			csp_headers(res, conf.exposed_url);
+			return load_template(path);
+		});
+	}
+}

src/http-web/assets/color-themes.ts

@@ -1,20 +0,0 @@
-
-import { Req } from '../../http/request';
-import { HttpConfig } from '../../http/server';
-import { HttpWebDependencies } from '../server';
-import { csp_headers } from '../../http/content-security-policy';
-import { FastifyInstance, RouteShorthandOptions } from 'fastify';
-
-export function register_color_themes_endpoint(http_server: FastifyInstance, conf: HttpConfig, { color_themes }: HttpWebDependencies) {
-	const opts: RouteShorthandOptions = {
-		schema: { },
-	};
-
-	http_server.get('/themes.css', opts, async (req: Req, res) => {
-		res.status(200);
-		res.header('content-type', 'text/css; charset=utf-8');
-		res.header('cache-control', 'public, max-age=3600');
-		csp_headers(res, conf.exposed_url);
-		return color_themes.css;
-	});
-}

src/http-web/assets/typography.ts

@@ -1,22 +0,0 @@
-
-import { Req } from '../../http/request';
-import { HttpConfig } from '../../http/server';
-import { HttpWebDependencies } from '../server';
-import { csp_headers } from '../../http/content-security-policy';
-import { FastifyInstance, RouteShorthandOptions } from 'fastify';
-import { load_template } from '../../utilities/mustache';
-
-export function register_typography_endpoint(http_server: FastifyInstance, conf: HttpConfig, { }: HttpWebDependencies) {
-	const opts: RouteShorthandOptions = {
-		schema: { },
-	};
-
-	http_server.get('/typography.css', opts, async (req: Req, res) => {
-		res.status(200);
-		res.header('content-type', 'text/css; charset=utf-8');
-		res.header('cache-control', 'no-store');
-		// res.header('cache-control', 'public, max-age=3600');
-		csp_headers(res, conf.exposed_url);
-		return load_template('typography.css');
-	});
-}

src/http-web/authentication/login-callback.ts

@@ -1,17 +1,18 @@
 
 import * as sch from '../../utilities/json-schema';
-import { render_login_page } from './login-page';
 import { send_html_error } from '../../http/send-error';
 import { redirect_200_refresh } from '../../http/redirects';
+import { render_template } from '../../utilities/mustache';
 
 import type { HttpConfig } from '../../http/server';
 import type { HttpWebDependencies } from '../server';
 import type { HttpURL, Locale, Timezone } from '../../utilities/types';
 import type { FastifyInstance, FastifyRequest, RouteShorthandOptions } from 'fastify';
 import type { UserinfoResponse } from 'openid-client';
+import type { ErrorCode, ErrorInfo } from '../../http/send-error';
 
 export function register_login_callback_endpoint(http_server: FastifyInstance, conf: HttpConfig, deps: HttpWebDependencies) {
-	const { logger, pkce_cookie, oidc, storage, snowflake, session, argon2 } = deps;
+	const { logger, pkce_cookie, oidc, storage, snowflake, session } = deps;
 	const opts: RouteShorthandOptions = {
 		schema: {
 			response: {
@@ -54,13 +55,13 @@ export function register_login_callback_endpoint(http_server: FastifyInstance, c
 
 		if (! pkce_code_verifier) {
 			log.debug('no pkce code verifier provided');
-			return send_html_error(res, 'oidc_no_pkce_code_verifier', render_login_page);
+			return send_html_error(res, 'oidc_no_pkce_code_verifier', render_login_failed_page);
 		}
 
 		const params = oidc.parse_callback_params(req.url);
 		
 		if (! params) {
-			return send_html_error(res, 'oidc_callback_params_invalid', render_login_page);
+			return send_html_error(res, 'oidc_callback_params_invalid', render_login_failed_page);
 		}
 
 		log.debug({ callback_params: params }, 'received callback params');
@@ -68,7 +69,7 @@ export function register_login_callback_endpoint(http_server: FastifyInstance, c
 		const token_set = await oidc.fetch_token_set(`${conf.exposed_url}/login-callback`, params, pkce_code_verifier);
 		
 		if (! token_set) {
-			return send_html_error(res, 'oidc_token_fetch_failed', render_login_page);
+			return send_html_error(res, 'oidc_token_fetch_failed', render_login_failed_page);
 		}
 
 		log.debug('fetched token set; requesting user info');
@@ -76,7 +77,7 @@ export function register_login_callback_endpoint(http_server: FastifyInstance, c
 		const user_info = await oidc.fetch_user_info(token_set);
 
 		if (! user_info) {
-			return send_html_error(res, 'oidc_userinfo_fetch_failed', render_login_page);
+			return send_html_error(res, 'oidc_userinfo_fetch_failed', render_login_failed_page);
 		}
 
 		log.debug({ oidc_subject: user_info.sub }, 'fetched user info; looking up local user data');
@@ -124,3 +125,19 @@ function get_zoneinfo(user_info: UserinfoResponse) : Timezone {
 	const from_userinfo = user_info.zoneinfo as Timezone;
 	return from_userinfo || 'Africa/Abidjan';
 }
+
+function render_login_failed_page(error_code?: ErrorCode, error?: ErrorInfo) {
+	const view = {
+		login_error_code: error_code,
+		login_error: error,
+		page_title: 'Login Failed',
+	};
+
+	const partial_files = {
+		controls: 'controls.html.mustache',
+		color_theme_controls: 'color-theme-controls.html.mustache',
+		page_content: 'login-failed.html.mustache',
+	};
+
+	return render_template('page.html.mustache', view, { }, partial_files);
+}

src/http-web/authentication/login-page.ts

@@ -1,43 +0,0 @@
-
-import { HttpConfig } from '../../http/server';
-import { HttpWebDependencies } from '../server';
-import { ErrorCode, ErrorInfo } from '../../http/send-error';
-import { redirect_303_see_other } from '../../http/redirects';
-import { FastifyInstance, FastifyReply, RouteShorthandOptions } from 'fastify';
-import { csp_headers } from '../../http/content-security-policy';
-import { render_template } from '../../utilities/mustache';
-
-export function register_login_page_endpoint(http_server: FastifyInstance, conf: HttpConfig, { pkce_cookie, session }: HttpWebDependencies) {
-	const opts: RouteShorthandOptions = {
-		schema: { },
-	};
-
-	http_server.get('/login', opts, async (req, res) => {
-		try {
-			await session.check_login(req);
-			return redirect_303_see_other(res, conf.exposed_url, 'Already logged in');
-		}
-
-		catch (error) {
-			return send_login_page(res);
-		}
-	});
-
-	function send_login_page(res: FastifyReply) {
-		res.status(200);
-		res.header('content-type', 'text/html; charset=utf-8');
-		csp_headers(res, conf.exposed_url);
-		session.reset(res);
-		pkce_cookie.reset(res);
-		return render_login_page();
-	}
-}
-
-export function render_login_page(error_code?: ErrorCode, error?: ErrorInfo) {
-	const view = {
-		error_code,
-		error,
-	};
-
-	return render_template('login.html.mustache', view);
-}

src/http-web/root-page.ts

@@ -6,8 +6,9 @@ import { HttpWebDependencies } from './server';
 import { csp_headers } from '../http/content-security-policy';
 import { FastifyInstance, RouteShorthandOptions } from 'fastify';
 import { render_template } from '../utilities/mustache';
+import type { NamedLocation } from '../storage/named-location';
 
-export function register_root_page_endpoint(http_server: FastifyInstance, conf: HttpConfig, { session, logger }: HttpWebDependencies) {
+export function register_root_page_endpoint(http_server: FastifyInstance, conf: HttpConfig, { session, services }: HttpWebDependencies) {
 	const opts: RouteShorthandOptions = {
 		schema: { },
 	};
@@ -21,17 +22,47 @@ export function register_root_page_endpoint(http_server: FastifyInstance, conf:
 			session.reset(res);
 		}
 
+		const location: NamedLocation = {
+			name: 'Home',
+			latitude: 45.4961,
+			longitude: -122.6714,
+		};
+
+		const [
+			{ value: forecast },
+			{ value: alerts },
+			{ value: weather }
+		] = await Promise.all([
+			services.weather_gov.get_forecast_for_location(location, 'us'),
+			services.weather_gov.get_alerts_for_location(location),
+			services.weatherapi_com.get_current_for_location(location),
+		]);
+
+		const rendered_widgets = await Promise.all([
+			services.weatherapi_com.render_current_weather(location, weather),
+			services.weather_gov.render_forecast(location, forecast, alerts),
+		]);
+
 		res.status(200);
+		res.header('cache-control', 'private, no-cache');
 		res.header('content-type', 'text/html; charset=utf-8');
 		csp_headers(res, conf.exposed_url);
-		return render_root_page(req.session?.user);
+		return render_root_page(req.session?.user, rendered_widgets);
 	});
 }
 
-function render_root_page(user: UserData) {
+function render_root_page(user: UserData, rendered_widgets: string[]) {
 	const view = {
 		user,
+		page_title: 'Dashboard',
+		rendered_widgets,
 	};
 
-	return render_template('root.html.mustache', view);
+	const partial_files = {
+		controls: 'controls.html.mustache',
+		color_theme_controls: 'color-theme-controls.html.mustache',
+		page_content: 'root.html.mustache',
+	};
+
+	return render_template('page.html.mustache', view, { }, partial_files);
 }

src/http-web/server.ts

@@ -9,14 +9,15 @@ import { BaseHttpDependencies, HttpConfig, create_http_server } from '../http/se
 import { SnowflakeProvider } from '../utilities/snowflake-uid';
 
 import { register_csp_report_endpoint } from '../http/content-security-policy';
+import { register_asset_endpoints } from './assets';
 import { register_root_page_endpoint } from './root-page';
-import { register_login_page_endpoint } from './authentication/login-page';
 import { register_submit_login_endpoint } from './authentication/submit-login';
 import { register_login_callback_endpoint } from './authentication/login-callback';
 import { register_logout_endpoint } from './authentication/logout';
 import { ColorThemeProvider } from '../utilities/color-themes';
-import { register_color_themes_endpoint } from './assets/color-themes';
+import { OutboundHttpProvider } from '../http/outbound';
-import { register_typography_endpoint } from './assets/typography';
+import { ServicesProvider } from '../services';
+import { RSSFeedReaderProvider } from '../utilities/rss-feeds';
 
 export interface HttpWebDependencies extends BaseHttpDependencies {
 	oidc: OIDCProvider;
@@ -26,25 +27,24 @@ export interface HttpWebDependencies extends BaseHttpDependencies {
 	session: SessionProvider;
 	snowflake: SnowflakeProvider;
 	color_themes: ColorThemeProvider;
+	outbound_http: OutboundHttpProvider;
+	rss_feed_reader: RSSFeedReaderProvider;
+	services: ServicesProvider;
 }
 
 export function create_http_web_server(conf: HttpConfig, deps: HttpWebDependencies) {
 	return create_http_server(conf, deps, {
 		endpoints: [
 			register_csp_report_endpoint,
-
+			register_asset_endpoints,
-			// Shared Assets
-			register_color_themes_endpoint,
-			register_typography_endpoint,
-
-			// Root page
-			register_root_page_endpoint,
 
 			// Login/logout
-			register_login_page_endpoint,
 			register_submit_login_endpoint,
 			register_login_callback_endpoint,
 			register_logout_endpoint,
+
+			// Pages
+			register_root_page_endpoint,
 		],
 		content_parsers: {
 			// 'application/ld+json': json_content_parser,

src/http/outbound.ts

@@ -0,0 +1,200 @@
+
+import pino from 'pino';
+import { URL } from 'url';
+import { request as http_request, OutgoingHttpHeaders, IncomingHttpHeaders } from 'http';
+import { request as https_request } from 'https';
+import { create_request_cache_provider } from './request-cache';
+import { HttpURL } from '../utilities/types';
+import { deep_copy } from '../utilities/deep';
+
+let next_id = 1;
+const timeout = 5000;
+
+export interface HttpResult {
+	url: URL;
+	// req: ClientRequest;
+	// res: IncomingMessage;
+	status: number;
+	body: string;
+	headers: IncomingHttpHeaders;
+}
+
+export interface OutboundHttpConfig {
+	https_only: boolean;
+}
+
+export function validate_outbound_http_conf(conf: unknown) : asserts conf is OutboundHttpConfig {
+	// todo: validate config
+}
+
+export type OutboundHttpProvider = ReturnType<typeof create_outbound_http_provider>;
+
+export function create_outbound_http_provider(conf: OutboundHttpConfig, logger: pino.Logger) {
+	const http_log = logger.child({ logger: 'outbound-http' });
+	const response_cache = create_request_cache_provider({ }, http_log);
+
+	return {	
+		req: http_req,	
+		get(url_str: HttpURL, headers?: OutgoingHttpHeaders, skip_cache = false) {
+			return http_req('GET', url_str, headers, null, skip_cache);
+		},
+		head(url_str: HttpURL, headers?: OutgoingHttpHeaders, skip_cache = false) {
+			return http_req('HEAD', url_str, headers, null, skip_cache);
+		},
+		post(url_str: HttpURL, headers?: OutgoingHttpHeaders, body?: string, skip_cache = false) {
+			return http_req('POST', url_str, headers, body, skip_cache);
+		},
+		put(url_str: HttpURL, headers?: OutgoingHttpHeaders, body?: string, skip_cache = false) {
+			return http_req('PUT', url_str, headers, body, skip_cache);
+		},
+		patch(url_str: HttpURL, headers?: OutgoingHttpHeaders, body?: string, skip_cache = false) {
+			return http_req('PATCH', url_str, headers, body, skip_cache);
+		},
+		delete(url_str: HttpURL, headers?: OutgoingHttpHeaders, body?: string, skip_cache = false) {
+			return http_req('DELETE', url_str, headers, body, skip_cache);
+		},
+	};
+
+	async function http_req(method: string, url_str: HttpURL, headers?: OutgoingHttpHeaders, body?: string, skip_cache = false) {
+		const url = new URL(url_str);
+		const make_request
+			= url.protocol === 'https:' ? https_request
+			: url.protocol === 'http:' ? http_request
+			: null;
+	
+		if (! make_request) {
+			throw new Error('illegal protocol');
+		}
+	
+		if (url.protocol !== 'https:' && conf.https_only) {
+			throw new Error('non-secure http requests not allowed (by configuration)');
+		}
+	
+		if (url.username || url.password) {
+			throw new Error('urls containing user credentials not allowed');
+		}
+
+		const req_headers = headers ? deep_copy(headers) : { };
+	
+		const result: HttpResult = {
+			url,
+			// req: null,
+			// res: null,
+			status: null,
+			body: null,
+			headers: null,
+		};
+	
+		const path = url.pathname + (url.search || '');
+		const port = url.port ? parseInt(url.port, 10) : (url.protocol === 'https:' ? 443 : 80);
+		const log = http_log.child({
+			req_id: next_id++,
+			method: method,
+			protocol: url.protocol,
+			hostname: url.hostname,
+			port: port,
+			path: path,
+		});
+
+		const cached = skip_cache
+			? null
+			: response_cache.check_for_cached_response(method, url_str, req_headers);
+
+		if (cached) {
+			const revalidation = response_cache.determine_revalidation_needed(cached);
+
+			if (! revalidation.must_revalidate) {
+				log.info('serving request from cache (no revalidation required)');
+				result.status = cached.status;
+				result.body = cached.body;
+				result.headers = deep_copy(cached.res_headers);
+				return Promise.resolve(result);
+			}
+
+			log.info('cached response found, but requires revalidation');
+			Object.assign(req_headers, revalidation.headers);
+		}
+	
+		log.info('starting outbound http request');
+	
+		return new Promise<HttpResult>((resolve, reject) => {
+			const start = Date.now();
+			const req = make_request({
+				method: method,
+				protocol: url.protocol,
+				hostname: url.hostname,
+				port: port,
+				path: path,
+				headers: req_headers
+			}, (res) => {
+				// result.res = res;
+				result.status = res.statusCode;
+
+				log.info({
+					status: res.statusCode,
+					duration: Date.now() - start,
+				}, `headers received`);
+
+				switch (result.status) {
+					case 304:
+						log.info({ status: cached.status }, 're-using cached response (not modified)');
+						result.status = cached.status;
+						result.body = cached.body;
+						result.headers = deep_copy(cached.res_headers);
+						response_cache.freshen_cache(cached, res.headers);
+						resolve(result);
+						break;
+
+					case 500:
+					case 502:
+					case 503:
+					case 504:
+						if (cached?.cache_info?.cache_control?.stale_if_error) {
+							log.info({ status: cached.status }, 're-using cached response (response returned an error status, and `stale-if-error` directive was provided)');
+							result.status = cached.status;
+							result.body = cached.body;
+							result.headers = deep_copy(cached.res_headers);
+							resolve(result);
+							break;
+						}
+						// nobreak
+
+					default: {
+						const start = Date.now();
+						let data = '';
+			
+						res.on('data', (chunk) => {
+							data += chunk;
+						});
+			
+						res.on('end', () => {
+							log.info({ duration: Date.now() - start }, `response finished`);
+							result.body = data;
+							result.headers = res.headers;
+							response_cache.add_response_to_cache(method, url_str, req_headers, result);
+							resolve(result);
+						});
+					};
+				}
+			});
+	
+			// result.req = req;
+		
+			req.setTimeout(timeout, () => {
+				log.error('request timeout');
+				req.destroy();
+			});
+		
+			req.on('error', (error) => {
+				log.error('request error ' + error.stack);
+				reject(error);
+			});
+	
+			if (body) {
+				req.write(body);
+			}
+	
+			req.end();
+		});
+	}
+}

src/http/parse-cache-headers.ts

@@ -17,8 +17,13 @@ export interface CacheControl {
 	no_store?: boolean;
 	no_cache?: boolean;
 	max_age?: number;
+	s_max_age?: number;
 	must_revalidate?: boolean;
 	proxy_revalidate?: boolean;
+	immutable?: boolean;
+	stale_while_revalidate?: boolean;
+	stale_if_error?: boolean;
+	must_understand?: boolean;
 }
 
 export function parse_cache_headers(headers: IncomingHttpHeaders) {
@@ -62,12 +67,29 @@ export function parse_cache_headers(headers: IncomingHttpHeaders) {
 				case 'proxy-revalidate':
 					result.cache_control.proxy_revalidate = true;
 					break;
+				case 'immutable':
+					result.cache_control.immutable = true;
+					break;
+				case 'stale-while-revalidate':
+					result.cache_control.stale_while_revalidate = true;
+					break;
+				case 'stale-if-error':
+					result.cache_control.stale_if_error = true;
+					break;
+				case 'must-understand':
+					result.cache_control.must_understand = true;
+					break;
 				default:
 					if (directive.startsWith('max-age=')) {
 						result.cache_control.max_age = parseInt(directive.slice(8), 10);
 						break;
 					}
 
+					if (directive.startsWith('s-max-age=')) {
+						result.cache_control.s_max_age = parseInt(directive.slice(10), 10);
+						break;
+					}
+
 					// todo: log something here about unknown directive
 			}
 		}

src/http/request-cache.ts

@@ -0,0 +1,228 @@
+
+import { pino } from 'pino';
+import { DateTime } from 'luxon';
+import { deep_copy } from '../utilities/deep';
+import { OutgoingHttpHeaders, IncomingHttpHeaders } from 'http';
+import { parse_cache_headers, ParsedCacheHeaders } from './parse-cache-headers';
+import type { HttpURL } from '../utilities/types';
+import type { HttpResult } from './outbound';
+
+export interface RequestCacheConfig {
+	// todo: support for configurable limits:
+	max_records?: number;  // max number of cached responses
+	max_length?: number;  // max content-length for one response
+	evict_after?: number;  // period of time unused after which a response should be evicted
+}
+
+export interface CachedResponse {
+	cache_key: string;
+	cached_time: DateTime;
+	is_stale: boolean;
+	url: HttpURL;
+	method: string;
+	req_headers: OutgoingHttpHeaders;
+	status: number;
+	body: string;
+	res_headers: IncomingHttpHeaders;
+	cache_info: ParsedCacheHeaders;
+	expire_timer: NodeJS.Timeout;
+}
+
+export function validate_request_cache_conf(conf: unknown) : asserts conf is RequestCacheConfig {
+	// todo: validate config
+}
+
+export type RequestCacheProvider = ReturnType<typeof create_request_cache_provider>;
+
+export function create_request_cache_provider(conf: RequestCacheConfig, logger: pino.Logger) {
+	type URLCache = Record<string, CachedResponse>;
+	const cached_responses: Record<HttpURL, URLCache> = Object.create(null);
+
+	const cacheable_methods = new Set([ 'GET', 'HEAD' ]);
+	const cacheable_status_codes = new Set([
+		200, 203, 204, 206, 300, 301, 308, 404, 405, 410, 414, 501
+	]);
+
+	return {
+		/**
+		 * Should be called before making a new request to check if a cached response already exists
+		 */
+		check_for_cached_response(method: string, url_str: HttpURL, headers?: OutgoingHttpHeaders) : Readonly<CachedResponse> {
+			if (! cached_responses[url_str]) {
+				return;
+			}
+
+			for (const [cache_key, cached] of Object.entries(cached_responses[url_str])) {
+				if (cache_key === header_cache_key(method, cached.cache_info.vary, headers)) {
+					return cached;
+				}
+			}
+		},
+
+		/**
+		 * Should be called when a cached response is found, to determine what if any revalidation is
+		 * required before re-using the response
+		 */
+		determine_revalidation_needed(cached: CachedResponse) {
+			const { cache_control, etag, date, last_modified } = cached.cache_info;
+
+			const must_revalidate = Boolean(cache_control?.must_revalidate || cache_control?.no_cache);
+			const headers: OutgoingHttpHeaders = { };
+
+			if (etag) {
+				headers['if-none-match'] = etag;
+			}
+
+			if (last_modified || date) {
+				headers['if-modified-since'] = last_modified?.toHTTP() ?? date?.toHTTP();
+			}
+
+			else {
+				headers['if-modified-since'] = cached.cached_time.toHTTP();
+			}
+
+			return {
+				must_revalidate,
+				headers,
+			};
+		},
+
+		/**
+		 * Should be called when receiving a non-`304 Not Modified` response from a request, either
+		 * as a novel request, or during a revalidation request
+		 */
+		add_response_to_cache(method: string, url_str: HttpURL, headers: OutgoingHttpHeaders, result: HttpResult) {
+			if (! cacheable_methods.has(method) || ! cacheable_status_codes.has(result.status)) {
+				logger.info('method/status not cacheable');
+				return;
+			}
+
+			const cache_info = parse_cache_headers(result.headers);
+
+			if (cache_info.cache_control?.no_store || cache_info.cache_control?.private) {
+				logger.info(cache_info, 'response contains cache-control directives that prevent caching');
+				return;
+			}
+			
+			const cache_key = header_cache_key(method, cache_info.vary, headers);
+			unset_expire_timer(url_str, cache_key);
+
+			const cached: CachedResponse = {
+				cache_key,
+				cached_time: DateTime.now(),
+				is_stale: false,
+				url: url_str,
+				method,
+				req_headers: deep_copy(headers),
+				status: result.status,
+				body: result.body,
+				res_headers: deep_copy(result.headers),
+				cache_info,
+				expire_timer: null,
+			};
+
+			logger.info(cache_info, 'caching response');
+			store_to_cache(cached, cache_info);
+		},
+
+		/**
+		 * Should be called when receiving a `304 Not Modified` response during a revalidation request
+		 * to update the cache with more recent freshness info
+		 */
+		freshen_cache(cached: CachedResponse, headers: IncomingHttpHeaders) {
+			const cache_info = parse_cache_headers(headers);
+			unset_expire_timer(cached.url, cached.cache_key);
+			store_to_cache(cached, cache_info);
+		},
+	};
+
+	function store_to_cache(cached: CachedResponse, cache_info: ParsedCacheHeaders) {
+		if (! cached_responses[cached.url]) {
+			cached_responses[cached.url] = Object.create(null);
+		}
+
+		cached_responses[cached.url][cached.cache_key] = cached;
+		cached.is_stale = false;
+
+		if (cache_info.cache_control?.max_age) {
+			let ttl_ms = cache_info.cache_control.max_age * 1000;
+
+			if (cache_info.age) {
+				ttl_ms -= cache_info.age * 1000;
+			}
+
+			if (ttl_ms <= 0) {
+				cached.is_stale = true;
+				return;
+			}
+
+			cached.expire_timer = set_expire_timer(cached.url, cached.cache_key, ttl_ms);
+		}
+
+		else if (cache_info.expires) {
+			const ttl_ms = cache_info.expires.toUnixInteger() - Date.now();
+
+			if (ttl_ms <= 0) {
+				cached.is_stale = true;
+				return;
+			}
+
+			cached.expire_timer = set_expire_timer(cached.url, cached.cache_key, ttl_ms);
+		}
+
+		// If no cache-control or expires header is given, default to the
+		// recommended 10% of time since last-modified
+		else if (cache_info.last_modified) {
+			const last_modified_ago_ms = Date.now() - cache_info.last_modified.toUnixInteger();
+
+			if (last_modified_ago_ms <= 0) {
+				cached.is_stale = true;
+				return;
+			}
+
+			const ttl_ms = (last_modified_ago_ms / 10) | 0;
+			cached.expire_timer = set_expire_timer(cached.url, cached.cache_key, ttl_ms);
+		}
+	}
+
+	function unset_expire_timer(url_str: HttpURL, cache_key: string) {
+		const cached = cached_responses[url_str]?.[cache_key];
+
+		if (cached?.expire_timer) {
+			clearTimeout(cached.expire_timer);
+		}
+	}
+
+	function set_expire_timer(url_str: HttpURL, cache_key: string, ttl_ms: number) {
+		const timer = setTimeout(expire, ttl_ms);
+		timer.unref();
+		return timer;
+
+		function expire() {
+			if (cached_responses[url_str]?.[cache_key]) {
+				cached_responses[url_str][cache_key].is_stale = true;
+			}
+		};
+	}
+}
+
+function header_cache_key(method: string, vary: string[], headers: OutgoingHttpHeaders) {
+	const parts: string[] = [ method ];
+
+	if (vary?.length) {
+		for (const header of vary) {
+			if (Array.isArray(headers[header])) {
+				const values = (headers[header] as string[]).sort();
+				for (const value of values) {
+					parts.push(`${header}: ${value}`);
+				}
+			}
+
+			else if (headers[header]) {
+				parts.push(`${header}: ${headers[header]}`);
+			}
+		}
+	}
+
+	return parts.join('\0');
+}

src/security/openid-connect.ts

@@ -4,6 +4,7 @@ import { BaseClient, CallbackParamsType, Issuer, TokenSet, TypeOfGenericClient }
 import { PKCECookieConfig } from './pkce-cookie';
 import { redirect_302_found } from '../http/redirects';
 import pino from 'pino';
+import { SecretValue, resolve_secret_value } from '../conf';
 
 const scopes = 'openid profile email';
 
@@ -11,7 +12,7 @@ export interface OIDCConfig {
 	server_url: string;
 	signing_algorithm: 'ES512';
 	client_id: string;
-	client_secret: string;
+	client_secret: SecretValue;
 	pkce: PKCECookieConfig;
 }
 
@@ -33,7 +34,7 @@ export function create_oidc_provider(conf: OIDCConfig, logger: pino.Logger) {
 		Client = issuer.Client;
 		client = new Client({
 			client_id: conf.client_id,
-			client_secret: conf.client_secret,
+			client_secret: resolve_secret_value(conf.client_secret),
 			id_token_signed_response_alg: conf.signing_algorithm,
 			authorization_signed_response_alg: conf.signing_algorithm,
 		});

src/security/session.ts

@@ -1,12 +1,13 @@
 
 import { pino } from 'pino';
 import { rand } from '../utilities/rand';
-import { FastifyReply } from 'fastify';
+import { resolve_secret_value, SecretValue } from '../conf';
-import { Req } from '../http/request';
 import { invalidate_cookie, parse_req_cookies, set_cookie } from '../http/cookies';
+import type { Req } from '../http/request';
+import type { FastifyReply } from 'fastify';
+import type { Snowflake } from '../utilities/snowflake-uid';
 import type { Argon2HashProvider } from './argon-hash';
 import type { SessionData, StorageProvider, UserData } from '../storage';
-import { Snowflake } from '../utilities/snowflake-uid';
 
 export interface SessionKey {
 	full_key: string;
@@ -20,7 +21,7 @@ export interface SessionCookieConfig {
 	name: string;
 	secure: boolean;
 	ttl: number;
-	pepper: string;
+	pepper: SecretValue;
 }
 
 export function validate_session_cookie_conf(conf: unknown) : asserts conf is SessionCookieConfig {
@@ -29,6 +30,7 @@ export function validate_session_cookie_conf(conf: unknown) : asserts conf is Se
 
 export function create_session_provider(conf: SessionCookieConfig, logger: pino.Logger, argon2: Argon2HashProvider, storage: StorageProvider) {
 	const session_logger = logger.child({ logger: 'session' });
+	const pepper = resolve_secret_value(conf.pepper);
 	const self = {
 		async generate_key() : Promise<SessionKey> {
 			const bytes = await rand(48);
@@ -40,7 +42,7 @@ export function create_session_provider(conf: SessionCookieConfig, logger: pino.
 			return { prefix, raw_key, full_key };
 		},
 		hash_key(key: SessionKey) : Promise<string> {
-			return argon2.hash(conf.pepper + key.raw_key);
+			return argon2.hash(pepper + key.raw_key);
 		},
 		parse_key(full_key: string) : SessionKey {
 			const [ prefix, raw_key, ...rest ] = full_key.split('.');
@@ -52,7 +54,7 @@ export function create_session_provider(conf: SessionCookieConfig, logger: pino.
 			return { prefix, raw_key, full_key };
 		},
 		verify_key(key: SessionKey, key_hash: string) : Promise<boolean> {
-			return argon2.verify(key_hash, conf.pepper + key.raw_key);
+			return argon2.verify(key_hash, pepper + key.raw_key);
 		},
 		write_to_cookie(res: FastifyReply, key: SessionKey) {
 			const session_expire = new Date(Date.now() + (conf.ttl * 1000));

src/services/index.ts

@@ -0,0 +1,38 @@
+
+import { pino } from 'pino';
+import { create_weather_gov_provider, validate_weather_gov_conf, WeatherGovConfig } from './weather.gov';
+import type { SecretValue } from '../conf';
+import type { OutboundHttpProvider } from '../http/outbound';
+import { create_weatherapi_com_provider, validate_weatherapi_com_conf, WeatherAPIComConfig } from './weatherapi.com';
+
+export interface ServicesConfig {
+	'weather.gov'?: WeatherGovConfig;
+	'weatherapi.com'?: WeatherAPIComConfig;
+	'openweathermap.org'?: {
+		enabled: boolean;
+		api_key: SecretValue;
+	};
+}
+
+export type ServicesProvider = ReturnType<typeof create_services_provider>;
+
+export function validate_services_conf(conf: unknown) : asserts conf is ServicesConfig {
+	validate_weather_gov_conf(conf['weather.gov']);
+	validate_weatherapi_com_conf(conf['weatherapi.com']);
+}
+
+export function create_services_provider(conf: ServicesConfig, logger: pino.Logger, outbound_http: OutboundHttpProvider) {
+	const weather_gov = create_weather_gov_provider(conf['weather.gov'], logger, outbound_http);
+	const weatherapi_com = create_weatherapi_com_provider(conf['weatherapi.com'], logger, outbound_http);
+
+	const ready = Promise.all([
+		weather_gov.ready,
+		weatherapi_com.ready,
+	]);
+
+	return {
+		ready,
+		weather_gov,
+		weatherapi_com,
+	};
+}

src/services/weather.gov/index.ts

@@ -0,0 +1,184 @@
+
+import pino from 'pino';
+import { memo } from '../../utilities/memo';
+import { deep_freeze } from '../../utilities/deep';
+import { render_forecast } from './render-forecast';
+import type { NamedLocation } from '../../storage/named-location';
+import type { OutboundHttpProvider } from '../../http/outbound';
+import type { WeatherGovPoints, WeatherGovForecast, WeatherGovAlerts } from './interface';
+import { HttpURL } from '../../utilities/types';
+
+export interface WeatherGovConfig {
+	enabled: boolean;
+	user_agent: string;
+}
+
+export function validate_weather_gov_conf(conf: unknown) : asserts conf is WeatherGovConfig {
+	// todo: validate config
+}
+
+export type WeatherGovProvider = ReturnType<typeof create_weather_gov_provider>;
+
+export function create_weather_gov_provider(conf: WeatherGovConfig, logger: pino.Logger, outbound_http: OutboundHttpProvider) {
+	const log = logger.child({ logger: 'weather.gov' });
+
+	const get_points_ttl = 1000 * 60 * 60 * 24;
+	const get_points = memo(get_points_ttl, get_points_nocache, { });
+
+	const get_forecast_ttl = 1000 * 60 * 30;
+	const get_forecast = memo(get_forecast_ttl, get_forecast_nocache, { });
+
+	const get_alerts_ttl = 1000 * 30;
+	const get_alerts = memo(get_alerts_ttl, get_alerts_nocache, { });
+
+	return {
+		ready: Promise.resolve(),
+
+		get enabled() {
+			return conf?.enabled;
+		},
+
+		get_points: if_enabled(get_points),
+		get_forecast: if_enabled(get_forecast),
+		get_alerts: if_enabled(get_alerts),
+
+		async get_forecast_for_lat_long(latitude: number, longitude: number, units: 'us' | 'si') {
+			const { value: points } = await get_points(latitude, longitude);
+			return get_forecast(points.gridId, points.gridX, points.gridY, units, false);
+		},
+
+		async get_hourly_forecast_for_lat_long(latitude: number, longitude: number, units: 'us' | 'si') {
+			const { value: points } = await get_points(latitude, longitude);
+			return get_forecast(points.gridId, points.gridX, points.gridY, units, true);
+		},
+
+		async get_forecast_for_location(location: NamedLocation, units: 'us' | 'si') {
+			const { value: points } = await get_points(location.latitude, location.longitude);
+			return get_forecast(points.gridId, points.gridX, points.gridY, units, false);
+		},
+
+		async get_hourly_forecast_for_location(location: NamedLocation, units: 'us' | 'si') {
+			const { value: points } = await get_points(location.latitude, location.longitude);
+			return get_forecast(points.gridId, points.gridX, points.gridY, units, true);
+		},
+
+		async get_alerts_for_location(location: NamedLocation) {
+			return get_alerts(location.latitude, location.longitude);
+		},
+
+		render_forecast,
+	};
+
+	function if_enabled<T>(func: T) : T {
+		if (conf?.enabled) {
+			return func;
+		}
+
+		return (() => {
+			throw new Error('weather.gov service not enabled');
+		}) as T;
+	}
+	
+	async function get_points_nocache(latitude: number, longitude: number) : Promise<Cachable<WeatherGovPoints>> {
+		log.info({ latitude, longitude }, 'fetching points data');
+
+		let { status, headers, body } = await outbound_http.get(`https://api.weather.gov/points/${latitude},${longitude}`, {
+			'accept': 'application/ld+json',
+			'user-agent': conf.user_agent,
+		});
+
+		// Follow a single redirect if given
+		if (status === 301) {
+			({ status, headers, body } = await outbound_http.get(headers.location as HttpURL, {
+				'accept': 'application/ld+json',
+				'user-agent': conf.user_agent,
+			}));
+		}
+
+		if (status === 200) {
+			const data = JSON.parse(body);
+			return cacheable(get_points_ttl, data as WeatherGovPoints);
+		}
+
+		const data = headers['content-type'].startsWith('application/problem+json')
+			? JSON.parse(body)
+			: { status };
+
+		log.error(data, 'failed to fetch points data');
+		throw new Error('failed to fetch points data');
+	}
+	
+	async function get_forecast_nocache(gridId: string, gridX: number, gridY: number, units: 'us' | 'si', hourly = false) : Promise<Cachable<WeatherGovForecast>> {
+		log.info({ gridId, gridX, gridY }, 'fetching forecast info');
+
+		const url = `https://api.weather.gov/gridpoints/${gridId}/${gridX},${gridY}/forecast${hourly ? '/hourly' : ''}?units=${units}`;
+		let { status, headers, body } = await outbound_http.get(url as HttpURL, {
+			'accept': 'application/ld+json',
+			'user-agent': conf.user_agent,
+		});
+
+		// Follow a single redirect if given
+		if (status === 301) {
+			({ status, headers, body } = await outbound_http.get(headers.location as HttpURL, {
+				'accept': 'application/ld+json',
+				'user-agent': conf.user_agent,
+			}));
+		}
+
+		if (status === 200) {
+			const data = JSON.parse(body);
+			return cacheable(get_forecast_ttl, data as WeatherGovForecast);
+		}
+
+		const data = headers['content-type'].startsWith('application/problem+json')
+			? JSON.parse(body)
+			: { status };
+
+		log.error(data, 'failed to fetch forecast data');
+		throw new Error('failed to fetch forecast data');
+	}
+	
+	async function get_alerts_nocache(latitude: number, longitude: number) : Promise<Cachable<WeatherGovAlerts>> {
+		log.info({ latitude, longitude }, 'fetching alerts info');
+
+		let { status, headers, body } = await outbound_http.get(`https://api.weather.gov/alerts?active=1&point=${latitude},${longitude}`, {
+			'accept': 'application/ld+json',
+			'user-agent': conf.user_agent,
+		});
+
+		// Follow a single redirect if given
+		if (status === 301) {
+			({ status, headers, body } = await outbound_http.get(headers.location as HttpURL, {
+				'accept': 'application/ld+json',
+				'user-agent': conf.user_agent,
+			}));
+		}
+
+		if (status === 200) {
+			const data = JSON.parse(body);
+			return cacheable(get_alerts_ttl, data as WeatherGovAlerts);
+		}
+
+		const data = headers['content-type'].startsWith('application/problem+json')
+			? JSON.parse(body)
+			: { status };
+
+		log.error(data, 'failed to fetch alerts data');
+		throw new Error('failed to fetch alerts data');
+	}
+}
+
+function cacheable<T>(ttl: number, value: T) : Cachable<T> {
+	const now = new Date();
+	return deep_freeze({
+		fetched: now,
+		expires: new Date(now.getTime() + ttl),
+		value,
+	});
+}
+
+interface Cachable<T> {
+	readonly fetched: Date;
+	readonly expires: Date;
+	readonly value: Readonly<T>;
+}

src/services/weather.gov/interface.ts

@@ -0,0 +1,103 @@
+
+import { ContextDefinition } from 'jsonld';
+import { HttpURL, ISOTimestamp, Timezone, URN } from '../../utilities/types';
+
+export interface WeatherGovMeasure<Unit extends `wmoUnit:${string}` = `wmoUnit:${string}`> {
+	unitCode: Unit;
+	value: number;
+}
+
+export interface WeatherGovPoints {
+	'@context': ContextDefinition;
+	geometry: string;
+	cwa: string;
+	forecastOffice: HttpURL;
+	gridId: string;
+	gridX: number;
+	gridY: number;
+	forecast: HttpURL;
+	forecastHourly: HttpURL;
+	forecastGridData: HttpURL;
+	forecastStations: HttpURL;
+	relativeLocation: {
+		city: string;
+		state: string;
+		geometry: string;
+		distance: WeatherGovMeasure<'wmoUnit:m'>;
+		bearing: WeatherGovMeasure<'wmoUnit:degree_(angle)'>;
+	};
+	forecastZone: HttpURL;
+	county: HttpURL;
+	fireWeatherZone: HttpURL;
+	timeZone: Timezone;
+	radarStation: string;
+}
+
+export interface WeatherGovForecast {
+	'@context': ContextDefinition;
+	geometry: string;
+	updated: ISOTimestamp;
+	units: 'us' | 'si';
+	forecastGenerator: 'BaselineForecastGenerator' | 'HourlyForecastGenerator';
+	generatedAt: ISOTimestamp;
+	updateTime: ISOTimestamp;
+	validTimes: string;
+	elevation: WeatherGovMeasure<'wmoUnit:m'>;
+	periods: WeatherGovForecastPeriod[];
+}
+
+export interface WeatherGovForecastPeriod {
+	number: number;
+	name: string;
+	startTime: ISOTimestamp;
+	endTime: ISOTimestamp;
+	isDaytime: boolean;
+	temperature: number;
+	temperatureUnit: 'F' | 'C';
+	temperatureTrend: unknown; // todo: what is this?
+	probabilityOfPrecipitation: WeatherGovMeasure<'wmoUnit:percent'>;
+	dewPoint: WeatherGovMeasure<'wmoUnit:degC'>;
+	relativeHumidity: WeatherGovMeasure<'wmoUnit:percent'>;
+	windSpeed: `${number} mph` | `${number} km/h`;
+	windDirection: 'N' | 'NNW' | 'NW' | 'WNW' | 'W' | 'NNE' | 'NE' | 'ENE' | 'E'
+		| 'S' | 'SSW' | 'SW' | 'WSW' | 'W' | 'SSE' | 'SE' | 'ESE' | 'E';
+	icon: HttpURL;
+	shortForecast: string;
+	detailedForecast: string;
+}
+
+export interface WeatherGovAlerts {
+	'@context': ContextDefinition;
+	'@graph': {
+		'@id': HttpURL;
+		'@type': 'wx:Alert',
+		id: URN<`oid:${string}`>;
+		areaDesc: string;
+		geometry: string;
+		geocode: {
+			SAME: `${number}`[];
+			UGC: string[];
+		};
+		affectedZones: HttpURL[];
+		references: unknown[]; // todo: what is this?
+		sent: ISOTimestamp;
+		effective: ISOTimestamp;
+		onset: ISOTimestamp;
+		expires: ISOTimestamp;
+		ends: ISOTimestamp;
+		status: 'Actual' | 'Exercise' | 'System' | 'Test' | 'Draft';
+		messageType: 'Alert' | 'Update' | 'Cancel';
+		category: string;
+		severity: 'Extreme' | 'Severe' | 'Moderate' | 'Minor' | 'Unknown';
+		certainty: 'Observed' | 'Likely' | 'Possible' | 'Unlikely' | 'Unknown';
+		urgency: 'Immediate' | 'Expected' | 'Future' | 'Past' | 'Unknown';
+		event: string;
+		sender: string;
+		senderName: string;
+		headline: string;
+		description: string;
+		instruction: string;
+		response: string;
+		parameters: Record<string, string[]>;
+	}[];
+}

src/services/weather.gov/render-forecast.ts

@@ -0,0 +1,44 @@
+
+import { icons } from '../../utilities/icons';
+import { render_template } from '../../utilities/mustache';
+import type { NamedLocation } from '../../storage/named-location';
+import type { WeatherGovAlerts, WeatherGovForecast, WeatherGovForecastPeriod } from './interface';
+
+export function render_forecast(location: NamedLocation, forecast: WeatherGovForecast, alerts: WeatherGovAlerts) {
+	let forecast_today: WeatherGovForecastPeriod[];
+	let forecast_future: WeatherGovForecastPeriod[];
+	const forecast_days: WeatherGovForecastPeriod[] = [ ];
+	const forecast_nights: WeatherGovForecastPeriod[] = [ ];
+
+	if (forecast.periods[0].isDaytime) {
+		forecast_today = forecast.periods.slice(0, 2);
+		forecast_future = forecast.periods.slice(2);
+	}
+
+	else {
+		forecast_today = forecast.periods.slice(0, 1);
+		forecast_future = forecast.periods.slice(1);
+	}
+
+	for (const period of forecast_future) {
+		if (period.isDaytime) {
+			forecast_days.push(period);
+		}
+
+		else {
+			forecast_nights.push(period);
+		}
+	}
+
+	const view = {
+		location,
+		forecast_today,
+		forecast_future,
+		forecast_days,
+		forecast_nights,
+		icons,
+		alerts: alerts['@graph'],
+	};
+
+	return render_template('weather.gov/forecast.html.mustache', view);
+}

src/services/weatherapi.com/index.ts

@@ -0,0 +1,96 @@
+
+import pino from 'pino';
+import { memo } from '../../utilities/memo';
+import { deep_freeze } from '../../utilities/deep';
+// import { render_forecast } from './render-forecast';
+import { render_current_weather } from './render-current-weather';
+import { SecretValue, resolve_secret_value } from '../../conf';
+import type { OutboundHttpProvider } from '../../http/outbound';
+import type { WeatherAPIComCurrentWeather, WeatherAPIComLocation } from './interface';
+import type { NamedLocation } from '../../storage/named-location';
+
+export interface WeatherAPIComConfig {
+	enabled: boolean;
+	api_key: SecretValue;
+}
+
+export function validate_weatherapi_com_conf(conf: unknown) : asserts conf is WeatherAPIComConfig {
+	// todo: validate config
+}
+
+export type WeatherAPIComProvider = ReturnType<typeof create_weatherapi_com_provider>;
+
+export function create_weatherapi_com_provider(conf: WeatherAPIComConfig, logger: pino.Logger, outbound_http: OutboundHttpProvider) {
+	const log = logger.child({ logger: 'weatherapi.com' });
+	const api_key = resolve_secret_value(conf.api_key);
+
+	const get_current_ttl = 1000;
+	// const get_current_ttl = 1000 * 60 * 3;
+	const get_current = memo(get_current_ttl, get_current_nocache, { });
+
+	// const get_forecast_ttl = 1000 * 60 * 30;
+	// const get_forecast = memo(get_forecast_ttl, get_forecast_nocache, { });
+
+	// const get_alerts_ttl = 1000 * 30;
+	// const get_alerts = memo(get_alerts_ttl, get_alerts_nocache, { });
+
+	return {
+		ready: Promise.resolve(),
+
+		get enabled() {
+			return conf?.enabled;
+		},
+
+		get_current: if_enabled(get_current),
+		get_current_for_location(location: NamedLocation) {
+			return get_current(`${location.latitude},${location.longitude}`);
+		},
+
+		render_current_weather,
+	};
+
+	function if_enabled<T>(func: T) : T {
+		if (conf?.enabled) {
+			return func;
+		}
+
+		return (() => {
+			throw new Error('weatherapi.com service not enabled');
+		}) as T;
+	}
+	
+	async function get_current_nocache(query: string) : Promise<Cachable<WeatherAPIComCurrentWeather>> {
+		log.info({ query }, 'fetching current weather');
+
+		let { status, headers, body } = await outbound_http.get(`https://api.weatherapi.com/v1/current.json?key=${api_key}&q=${query}`, {
+			'accept': 'application/json',
+		});
+
+		if (status === 200) {
+			const data = JSON.parse(body);
+			return cacheable(get_current_ttl, data as WeatherAPIComCurrentWeather);
+		}
+
+		const data = headers['content-type'].startsWith('application/json')
+			? JSON.parse(body)
+			: { status };
+
+		log.error(data, 'failed to fetch current weather');
+		throw new Error('failed to fetch current weather');
+	}
+}
+
+function cacheable<T>(ttl: number, value: T) : Cachable<T> {
+	const now = new Date();
+	return deep_freeze({
+		fetched: now,
+		expires: new Date(now.getTime() + ttl),
+		value,
+	});
+}
+
+interface Cachable<T> {
+	readonly fetched: Date;
+	readonly expires: Date;
+	readonly value: Readonly<T>;
+}

src/services/weatherapi.com/interface.ts

@@ -0,0 +1,108 @@
+
+import { HttpURLSchemeless, ISODate, LocalDateTime, Timezone } from '../../utilities/types';
+
+export interface WeatherAPIComLocation {
+	name: string;
+	region: string;
+	country: string
+	lat: number;
+	lon: number;
+	tz_id: Timezone;
+	localtime_epoch: number;
+	localtime: LocalDateTime;
+}
+
+export interface WeatherAPIComCurrentWeather {
+	location: WeatherAPIComLocation;
+	current: WeatherAPIComWeather & {
+		last_updated_epoch: number;
+		last_updated: LocalDateTime;
+	};
+}
+
+export interface WeatherAPIComForecast extends WeatherAPIComCurrentWeather {
+	forecast: {
+		forecastday: {
+			date: ISODate;
+			date_epoch: number;
+			day: {
+				maxtemp_c: number;
+				maxtemp_f: number;
+				mintemp_c: number;
+				mintemp_f: number;
+				avgtemp_c: number;
+				avgtemp_f: number;
+				maxwind_mph: number;
+				maxwind_kph: number;
+				totalprecip_mm: number;
+				totalprecip_in: number;
+				totalsnow_cm: number;
+				avgvis_km: number;
+				avgvis_miles: number;
+				avghumidity: number;
+				daily_will_it_rain: number;
+				daily_chance_of_rain: number;
+				daily_will_it_snow: number;
+				daily_chance_of_snow: number;
+				condition: WeatherAPIComCondition;
+				uv: number;
+			};
+			astro: {
+				sunrise: string;
+				sunset: string;
+				moonrise: string;
+				moonset: string;
+				moon_phase: string;
+				moon_illumination: `${bigint}`;
+				is_moon_up: 0 | 1;
+				is_sun_up: 0 | 1;
+			};
+			hour: WeatherAPIComHourForecast[];
+		}[];
+	};
+}
+
+export interface WeatherAPIComCondition {
+	text: string;
+	icon: HttpURLSchemeless;
+	code: number;
+}
+
+export interface WeatherAPIComWeather {
+	temp_c: number;
+	temp_f: number;
+	is_day: number;
+	condition: WeatherAPIComCondition;
+	wind_mph: number;
+	wind_kph: number;
+	wind_degree: number;
+	wind_dir: string;
+	pressure_mb: number;
+	pressure_in: number;
+	precip_mm: number;
+	precip_in: number;
+	humidity: number;
+	cloud: number;
+	feelslike_c: number;
+	feelslike_f: number;
+	vis_km: number;
+	vis_miles: number;
+	gust_mph: number;
+	gust_kph: number;
+	uv: number;
+}
+
+export interface WeatherAPIComHourForecast extends WeatherAPIComWeather {
+	time_epoch: number;
+	time: LocalDateTime;
+	windchill_c: number;
+	windchill_f: number;
+	heatindex_c: number;
+	heatindex_f: number;
+	dewpoint_c: number;
+	dewpoint_f: number;
+	will_it_rain: number;
+	chance_of_rain: number;
+	will_it_snow: number;
+	chance_of_snow: number;
+}

src/services/weatherapi.com/render-current-weather.ts

@@ -0,0 +1,15 @@
+
+import { icons } from '../../utilities/icons';
+import { render_template } from '../../utilities/mustache';
+import type { NamedLocation } from '../../storage/named-location';
+import type { WeatherAPIComCurrentWeather } from './interface';
+
+export function render_current_weather(location: NamedLocation, weather: WeatherAPIComCurrentWeather) {
+	const view = {
+		location,
+		weather,
+		icons,
+	};
+
+	return render_template('weatherapi.com/current.html.mustache', view);
+}

src/start.ts

@@ -12,6 +12,9 @@ import { create_session_provider } from './security/session';
 import { create_http_metadata_server } from './http-metadata/server';
 import { HttpWebDependencies, create_http_web_server } from './http-web/server';
 import { create_color_theme_provider } from './utilities/color-themes';
+import { create_outbound_http_provider } from './http/outbound';
+import { create_services_provider } from './services';
+import { create_rss_feed_reader_provider } from './utilities/rss-feeds';
 
 main();
 
@@ -39,11 +42,15 @@ async function main() {
 	const argon2 = create_argon_hash_provider(conf.argon2);
 	const session = create_session_provider(conf.session_cookie, logger, argon2, storage);
 	const color_themes = create_color_theme_provider(conf.color_themes);
+	const outbound_http = create_outbound_http_provider(conf.outbound_http, logger);
+	const rss_feed_reader = create_rss_feed_reader_provider(logger, outbound_http);
+	const services = create_services_provider(conf.services, logger, outbound_http);
 
 	// Wait for any async init steps
 	await oidc.ready;
 	await storage.ready;
 	await color_themes.ready;
+	await services.ready;
 
 	// Perform any cleanup steps before starting up
 	await storage.cleanup_old_sessions();
@@ -57,6 +64,9 @@ async function main() {
 		argon2,
 		session,
 		color_themes,
+		outbound_http,
+		rss_feed_reader,
+		services,
 	};
 
 	// Create the main web server

src/storage/named-location.ts

@@ -0,0 +1,6 @@
+
+export interface NamedLocation {
+	name: string;
+	latitude: number;
+	longitude: number;
+}

src/utilities/color-themes.ts

@@ -23,6 +23,9 @@ export function create_color_theme_provider(conf: ColorThemeConfig) {
 		get ready() {
 			return ready;
 		},
+		get themes() {
+			return structuredClone(conf);
+		},
 		get css() {
 			return css;
 		},

src/utilities/deep-merge.ts

@@ -1,13 +0,0 @@
-
-export function deep_merge<T>(host: T, donor: T) : T {
-	for (const [key, value] of Object.entries(donor)) {
-		if (value != null && host[key] != null && typeof value === 'object' && typeof host[key] === 'object') {
-			deep_merge(host[key], value);
-			continue;
-		}
-
-		host[key] = value;
-	}
-
-	return host;
-}

src/utilities/deep.ts

@@ -0,0 +1,41 @@
+
+export function deep_merge<T>(host: T, donor: T) : T {
+	for (const [key, value] of Object.entries(donor)) {
+		if (value != null && host[key] != null && typeof value === 'object' && typeof host[key] === 'object') {
+			deep_merge(host[key], value);
+			continue;
+		}
+
+		host[key] = value;
+	}
+
+	return host;
+}
+
+export function deep_freeze<T>(obj: T) : Readonly<T> {
+	for (const value of Object.values(obj)) {
+		if (value == null) {
+			continue;
+		}
+
+		else if (typeof value === 'object' || typeof value === 'function') {
+			deep_freeze(value);
+		}
+	}
+
+	return Object.freeze(obj);
+}
+
+export function deep_copy<T>(obj: T) : T {
+	return structuredClone(obj);
+
+	// try {
+	// 	return structuredClone(obj);
+	// }
+
+	// catch (error) {
+	// 	if (error instanceof ReferenceError) {
+	// 		return JSON.parse(JSON.stringify(obj));
+	// 	}
+	// }
+}

src/utilities/icons.ts

@@ -0,0 +1,22 @@
+
+export const icons: Record<string, string> = Object.create(null);
+
+const whitespace = /[\s\t\n]+/g;
+const feather_icons: Record<string, string> = require('../../vendor/feather-icons/icons.json');
+
+for (const [name, contents] of Object.entries(feather_icons)) {
+	icons[name] = `
+	<svg xmlns="http://www.w3.org/2000/svg"
+		class="icon ${name}"
+		aria-hidden="true"
+		viewBox="0 0 24 24"
+		fill="none"
+		stroke="currentcolor"
+		stroke-width="2"
+		stroke-linecap="round"
+		stroke-linejoin="round"
+	>${contents}</svg>
+	`.replace(whitespace, ' ').trim();
+}
+
+Object.freeze(icons);

src/utilities/memo.ts

@@ -51,7 +51,8 @@ export function memo<T extends Func>(ttl: number, func: T, opts: MemoParams<T> =
 	}
 
 	function set_expire(key: string, args: Params<T>, stored: number) {
-		setTimeout(opts.validator ? revalidate(key, args, stored) : invalidate(key), ttl);
+		const timer = setTimeout(opts.validator ? revalidate(key, args, stored) : invalidate(key), ttl);
+		timer.unref();
 	}
 
 	function revalidate(key: string, args: Params<T>, stored: number) {

src/utilities/rss-feeds.ts

@@ -0,0 +1,50 @@
+
+import pino from 'pino';
+import type { HttpURL } from './types';
+import type { OutboundHttpProvider } from '../http/outbound';
+import { XMLParser, XMLValidator, X2jOptions } from 'fast-xml-parser';
+
+export type RSSFeedReaderProvider = ReturnType<typeof create_rss_feed_reader_provider>;
+
+export function create_rss_feed_reader_provider(logger: pino.Logger, outbound_http: OutboundHttpProvider) {
+	const log = logger.child({ logger: 'rss-feed-reader' });
+
+	return {
+		async read_feed(feed_url: HttpURL, skip_cache = false) {
+			const req_headers = {
+				accept: 'application/rss+xml; q=1.0, text/xml; q=0.9',
+			};
+
+			const { status, headers, body } = await outbound_http.get(feed_url, req_headers, skip_cache);
+
+			if (status === 200) {
+				const content_type = headers['content-type'] || '';
+
+				if (content_type.startsWith('text/xml') || content_type.startsWith('application/rss+xml')) {
+					const opts: Partial<X2jOptions> = { };
+					const result = XMLValidator.validate(body, opts);
+				
+					if (typeof result === 'object' && result.err) {
+						log.error(result.err, 'RSS feed XML validation error');
+						throw_error('received invalid XML response from server');
+					}
+				
+					const xmlParser = new XMLParser(opts);
+					return xmlParser.parse(body);
+				}
+
+				else {
+					throw_error('received invalid content type from server');
+				}
+			}
+
+			else {
+				throw_error('received a non-200 response code');
+			}
+		},
+	};
+
+	function throw_error(message: string) : never {
+		throw new Error(`failed to fetch RSS feed content; ${message}`);
+	}
+}

src/utilities/types.ts

@@ -17,8 +17,16 @@ export type ISOZoneOffset = 'Z' | `${'+' | '-' | ''}${number}:${number}`;
 
 export type ISOTimestamp = `${ISODate}T${ISOTime}${ISOZoneOffset}`;
 
+export type TimeShort = `${number}:${number}`;
+
+export type LocalDateTime = `${ISODate} ${TimeShort}`;
+
 export type Timezone = `${string}/${string}`;
 
 export type Locale = `${string}-${string}`;
 
 export type HttpURL = `http${'s' | ''}://${string}`;
+
+export type HttpURLSchemeless = `//${string}`;
+
+export type URN<T extends string = string> = `urn:${T}`;

templates/color-theme-controls.css

@@ -0,0 +1,60 @@
+
+* {
+	box-sizing: border-box;
+}
+
+fieldset.radio {
+	width: 30rem;
+	display: flex;
+	flex-direction: row;
+	flex-wrap: nowrap;
+	column-gap: 2%;
+	border-color: var(--theme-border-input);
+}
+
+fieldset.radio.theme {
+	margin-block: 1rem 2rem;
+}
+
+@media screen and (max-width: 500px) {
+	fieldset.radio {
+		width: calc(100vw - 5rem);
+	}
+}
+
+label {
+	width: 32%;
+	height: 2rem;
+	display: block;
+	position: relative;
+}
+
+input {
+	appearance: none;
+	display: block;
+	background: transparent;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+}
+
+input:not(:checked) {
+	cursor: pointer;
+	background: var(--theme-bg-button-primary);
+}
+
+input:checked {
+	background: var(--theme-bg-button-primary-hover);
+}
+
+span {
+	z-index: 2;
+	position: relative;
+	pointer-events: none;
+	text-align: center;
+	display: block;
+	height: 100%;
+	line-height: 2rem;
+}

templates/color-theme-controls.html.mustache

@@ -0,0 +1,7 @@
+<a class="popup-open color-theme-contrast" href="#popup-color-theme-contrast">Colors and Contrast</a>
+<div class="popup" id="popup-color-theme-contrast" role="dialog">
+	<div class="popup-content">
+		<a class="popup-close" href="#">Close</a>
+		<color-theme-and-contrast-controls></color-theme-and-contrast-controls>
+	</div>
+</div>

templates/color-theme-controls.js

@@ -0,0 +1,130 @@
+(() => {
+
+	const color_theme = 'color_theme';
+	const color_contrast = 'color_contrast';
+	const color_theme_attr = 'data-color-theme';
+	const color_contrast_attr = 'data-color-contrast';
+
+	const override_theme = localStorage.getItem(color_theme);
+	const override_contrast = localStorage.getItem(color_contrast);
+	
+	if (override_theme) {
+		document.body.setAttribute(color_theme_attr, override_theme);
+	}
+	
+	if (override_contrast) {
+		document.body.setAttribute(color_contrast_attr, override_contrast);
+	}
+	
+	const template = `
+	<link rel="stylesheet" href="/typography.css">
+	<link rel="stylesheet" href="/color-theme-controls.css">
+	<div class="popup" title="Color Theme and Contrast Controls">
+		<fieldset class="theme radio">
+			<legend>Color Theme</legend>
+			<label>
+				<input type="radio" name="color_theme" value="auto" ${checked_if(! override_theme)}>
+				<span>Auto</span>
+			</label>
+			<label>
+				<input type="radio" name="color_theme" value="light" ${checked_if(override_theme === 'light')}>
+				<span>Light</span>
+			</label>
+			<label>
+				<input type="radio" name="color_theme" value="dark" ${checked_if(override_theme === 'dark')}>
+				<span>Dark</span>
+			</label>
+		</fieldset>
+		<fieldset class="contrast radio">
+			<legend>Color Contrast</legend>
+			<label>
+				<input type="radio" name="color_contrast" value="less" ${checked_if(override_contrast === 'less')}>
+				<span>Less Contrast</span>
+			</label>
+			<label>
+				<input type="radio" name="color_contrast" value="default" ${checked_if(! override_contrast)}>
+				<span>Default</span>	
+			</label>
+			<label>
+				<input type="radio" name="color_contrast" value="more" ${checked_if(override_contrast === 'more')}>
+				<span>More Contrast</span>
+			</label>
+		</fieldset>
+	</div>
+	`;
+	
+	customElements.define('color-theme-and-contrast-controls',
+		class ColorThemeToggleButton extends HTMLElement {
+			#popup = null;
+			#theme_inputs = null;
+			#contrast_inputs = null;
+	
+			constructor() {
+				super();
+				this.attachShadow({ mode: 'open' });
+				this.shadowRoot.innerHTML = template;
+				this.#popup = this.shadowRoot.querySelector('.popup');
+				this.#theme_inputs = this.#popup.querySelectorAll('.theme input');
+				this.#contrast_inputs = this.#popup.querySelectorAll('.contrast input');
+			}
+	
+			connectedCallback() {
+				this.#popup.addEventListener('change', this.#onChange);
+			}
+			
+			disconnectedCallback() {
+				this.#popup.removeEventListener('change', this.#onChange);
+			}
+
+			#onChange = () => {
+				const theme = this.#theme_input_value;
+				const contrast = this.#contrast_input_value;
+				
+				if (theme === 'auto') {
+					localStorage.removeItem(color_theme);
+					document.body.removeAttribute(color_theme_attr);
+				}
+
+				else {
+					localStorage.setItem(color_theme, theme);
+					document.body.setAttribute(color_theme_attr, theme);
+				}
+				
+				if (contrast === 'default') {
+					localStorage.removeItem(color_contrast);
+					document.body.removeAttribute(color_contrast_attr);
+				}
+
+				else {
+					localStorage.setItem(color_contrast, contrast);
+					document.body.setAttribute(color_contrast_attr, theme);
+				}
+			};
+
+			get #theme_input_value() {
+				return radio_value(this.#theme_inputs, 'auto');
+			}
+
+			get #contrast_input_value() {
+				return radio_value(this.#contrast_inputs, 'auto');
+			}
+		}
+	);
+
+	function checked_if(condition) {
+		return condition ? 'checked' : '';
+	}
+
+	function radio_value(inputs, default_value) {
+		inputs = [ ...inputs ];
+
+		for (const input of inputs) {
+			if (input.checked) {
+				return input.value;
+			}
+		}
+
+		return default_value;
+	}
+	
+})();

templates/controls.html.mustache

@@ -0,0 +1,22 @@
+<aside class="controls">
+	<div>
+		{{# user }}
+		<p>Logged in as
+			{{# user.name }}{{ user.name }}{{/ user.name }}
+			{{^ user.name }}{{ user.username }}{{/ user.name }}
+			-
+		</p>
+		<form action="/logout" method="POST">
+			<button type="submit">Logout</button>
+		</form>
+		{{/ user }}
+
+		{{^ user }}
+		<form action="/login" method="POST">
+			<button type="submit">Login with OpenID Connect</button>
+		</form>
+		{{/ user }}
+	</div>
+
+	{{> color_theme_controls }}
+</aside>

templates/forms.css

@@ -0,0 +1,143 @@
+
+fieldset {
+	border-color: var(--theme-border-input);
+}
+
+button, input:is([type='button'], [type='submit'], [type='reset']) {
+	appearance: none;
+	cursor: pointer;
+	border: 0;
+	padding: 0.5rem 1rem;
+}
+
+
+
+
+
+
+
+
+
+/* 
+label {
+	margin-block-start: 1rem;
+}
+
+label:not(:first-of-type) {
+	margin-block-start: 2rem;
+}
+
+label.radio {
+	display: flex;
+	margin-block: 1rem;
+	justify-content: flex-start;
+}
+
+input,
+textarea {
+	display: block;
+	margin-block-start: 0.35rem;
+	margin-block-end: 1rem;
+	border: 0.125rem var(--theme-border-input) solid;
+	border-radius: 0.25rem;
+	background-color: var(--theme-bg-input);
+	padding: 0.5rem;
+	width: 20rem;
+}
+
+input[disabled],
+textarea[disabled] {
+	opacity: 0.4;
+	cursor: default;
+	pointer-events: none;
+}
+
+input[type='text']:invalid,
+input[type='password']:invalid,
+textarea:invalid {
+	border-color: var(--theme-border-input-invalid);
+}
+
+input[type='text'][readonly] {
+	color: var(--theme-text-light);
+	border-color: var(--theme-line);
+}
+
+input[type='checkbox'] {
+	width: 1rem;
+	height: 1rem;
+	padding: 0;
+}
+
+input[type='checkbox'] + label {
+	margin-inline-start: 0.5rem;
+	margin-inline-end: 2rem;
+}
+
+input[type='radio'] {
+	flex: 0 0 2rem;
+	margin: 0.2rem;
+}
+
+textarea {
+	line-height: 1.7rem;
+	font-family: var(--font-monospace);
+}
+
+::-webkit-input-placeholder {
+	color: var(--theme-text-light);
+}
+
+button {
+	padding: 0.5rem 1.5rem;
+	border-radius: 0.5rem;
+	font-size: 1rem;
+	margin-block-start: 1rem;
+	margin-inline-end: 1rem;
+	cursor: pointer;
+	user-select: none;
+	appearance: none;
+	color: var(--theme-text-button-primary);
+	background: var(--theme-bg-button-primary);
+	text-decoration: none;
+	font-size: 1rem;
+	font-family: var(--font-body);
+	font-weight: 700;
+	line-height: 2rem;
+	display: flex;
+	align-items: center;
+}
+
+button[disabled] {
+	opacity: 0.4;
+	cursor: default;
+	pointer-events: none;
+}
+
+select {
+	display: block;
+	margin-block-start: 0.35rem;
+	margin-block-end: 1rem;
+	border: 0.125rem var(--theme-border-input) solid;
+	border-radius: 0.25rem;
+	background-color: var(--theme-bg-input);
+	padding: 0.5rem;
+	width: 20rem;
+	cursor: pointer;
+}
+
+select[disabled] {
+	opacity: 0.4;
+	cursor: default;
+	pointer-events: none;
+}
+
+select option {
+	background-color: var(--theme-bg-input);
+	padding: 0.5rem;
+}
+
+:is(table, .table) :is(input, select) {
+	margin-block: 0;
+}
+ */

templates/local-clock/local-clock.html.mustache

@@ -0,0 +1,3 @@
+<section data-widget="local-clock" title="Local-time clock">
+	{{!  }}
+</section>

templates/login-failed.html.mustache

@@ -0,0 +1,5 @@
+<aside class="error">
+	<h2>Login Failed</h2>
+	<p><b>Error Code:</b> {{ login_error_code }}</p>
+	<p><b>Error Message:</b> {{ login_error.message }}</p>
+</aside>

templates/login.html.mustache

@@ -1,21 +0,0 @@
-<!doctype html>
-<html>
-<head>
-	<title>Login</title>
-	<link rel="stylesheet" type="text/css" href="/themes.css">
-	<link rel="stylesheet" type="text/css" href="/typography.css">
-</head>
-<body>
-	<form action="/login" method="POST">
-		<button type="submit">Login with OpenID Connect</button>
-	</form>
-
-	{{# error_code }}
-	<div>
-		<h4>Login failed</h4>
-		<b>Error Code:</b> {{ error_code }}<br />
-		<b>Error Message:</b> {{ error.message }}
-	</div>
-	{{/ error_code }}
-</body>
-</html>

templates/page.html.mustache

@@ -0,0 +1,16 @@
+<!doctype html>
+<html>
+<head>
+	<title>{{ page_title }}</title>
+	<link rel="stylesheet" href="/themes.css">
+	<link rel="stylesheet" href="/typography.css">
+	<link rel="stylesheet" href="/forms.css">
+	<link rel="stylesheet" href="/popup.css">
+	<link rel="stylesheet" href="/structure.css">
+	<script src="/color-theme-controls.js" async></script>
+</head>
+<body>
+	{{> controls }}
+	{{> page_content }}
+</body>
+</html>

templates/popup.css

@@ -0,0 +1,37 @@
+
+.popup {
+	z-index: 1;
+	position: fixed;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+	user-select: none;
+	pointer-events: none;
+	display: flex;
+	opacity: 0;
+	transition: opacity 0.125s linear;
+	background: var(--theme-bg-popup-mask);
+}
+
+.popup:target {
+	opacity: 1;
+	user-select: unset;
+	pointer-events: unset;
+}
+
+.popup .popup-content {
+	margin: auto;
+	position: relative;
+	background: var(--theme-bg-main);
+	border: 0.125rem solid var(--theme-border-input);
+	border-radius: 1rem;
+	padding: 2rem;
+}
+
+.popup .popup-close {
+	position: absolute;
+	top: 1rem;
+	right: 2rem;
+	font-size: 0.8rem;
+}

templates/root.html.mustache

@@ -1,22 +1,9 @@
-<!doctype html>
+<header>
-<html>
-<head>
-	<title>Dashboard</title>
-	<link rel="stylesheet" type="text/css" href="/themes.css">
-	<link rel="stylesheet" type="text/css" href="/typography.css">
-</head>
-<body>
 	<h1>Dashboard</h1>
+</header>
 
-	{{# user }}
+<main>
-	<p>Logged in as {{ user.name }} ({{ user.username }})</p>
+	{{# rendered_widgets }}
-	<form action="/logout" method="POST">
+	{{{ . }}}
-		<button type="submit">Logout</button>
+	{{/ rendered_widgets }}
-	</form>
+</main>
-	{{/ user }}
-
-	{{^ user }}
-	<a href="/login">Login Page</a>
-	{{/ user }}
-</body>
-</html>

templates/structure.css

@@ -0,0 +1,64 @@
+
+* {
+	box-sizing: border-box;
+}
+
+html, body {
+	background: var(--theme-bg-main);
+}
+
+
+
+/* ===== Primary Controls ===== */
+
+aside.controls {
+	position: absolute;
+	top: 1rem;
+	right: 1rem;
+	text-align: right;
+}
+
+aside.controls :is(a, p, button) {
+	display: inline;
+	font-size: 0.8rem;
+	margin-block: 0.5rem;
+}
+
+aside.controls form {
+	display: contents;
+}
+
+aside.controls button {
+	margin: 0;
+	padding: 0;
+	border: 0;
+	background: transparent;
+	color: var(--theme-text-link);
+	text-decoration: underline;
+}
+
+aside.controls button:hover {
+	background: transparent;
+}
+
+
+
+/* ===== Error Box ===== */
+
+aside.error {
+	margin-block: 4rem;
+	margin-inline: 1rem;
+	padding: 1rem;
+	border: 0.1rem solid var(--theme-border-error-box);
+	background: var(--theme-bg-error-box);
+}
+
+aside.error h2 {
+	font-size: 1.2rem;
+	margin-block-start: 0;
+}
+
+aside.error p {
+	margin-block: 0;
+	color: var(--theme-text-error-box);
+}

templates/themes.css.mustache

@@ -3,76 +3,60 @@
 	color-scheme: light dark;
 }
 
-
-
-{{! ===== Default Themes ===== }}
-
 body {
 	{{> default_light }}
 }
 
-body[data-color-scheme='dark'] {
+body[data-color-theme='dark'] {
 	{{> default_dark }}
 }
 
+{{# less_contrast }}
+body[data-color-contrast='less'] {
+	{{> less_contrast_light }}
+}
+
+body[data-color-theme='dark'][data-color-contrast='less'] {
+	{{> less_contrast_dark }}
+}
+{{/ less_contrast }}
+
+{{# more_contrast }}
+body[data-color-contrast='more'] {
+	{{> more_contrast_light }}
+}
+
+body[data-color-theme='dark'][data-color-contrast='more'] {
+	{{> more_contrast_dark }}
+}
+{{/ more_contrast }}
+
 @media (prefers-color-scheme: dark) {
 	body {
 		{{> default_dark }}
 	}
 
-	body[data-color-scheme='light'] {
+	body[data-color-theme='light'] {
 		{{> default_light }}
 	}
-}
 
-
+	{{# less_contrast }}
-
+	body[data-color-contrast='less'] {
-{{! ===== High Contrast Themes ===== }}
-
-{{# more_contrast }}
-@media (prefers-contrast: more) {
-	body {
-		{{> more_contrast_light }}
-	}
-
-	body[data-color-scheme='dark'] {
-		{{> more_contrast_dark }}
-	}
-
-	@media (prefers-color-scheme: dark) {
-		body {
-			{{> more_contrast_dark }}
-		}
-
-		body[data-color-scheme='light'] {
-			{{> more_contrast_light }}
-		}
-	}
-}
-{{/ more_contrast }}
-
-
-
-{{! ===== Low Contrast Themes ===== }}
-
-{{# less_contrast }}
-@media (prefers-contrast: less) {
-	body {
-		{{> less_contrast_light }}
-	}
-
-	body[data-color-scheme='dark'] {
 		{{> less_contrast_dark }}
 	}
 
-	@media (prefers-color-scheme: dark) {
+	body[data-color-theme='light'][data-color-contrast='less'] {
-		body {
+		{{> less_contrast_light }}
-			{{> less_contrast_dark }}
-		}
-
-		body[data-color-scheme='light'] {
-			{{> less_contrast_light }}
-		}
 	}
+	{{/ less_contrast }}
+
+	{{# more_contrast }}
+	body[data-color-contrast='more'] {
+		{{> more_contrast_dark }}
+	}
+
+	body[data-color-theme='light'][data-color-contrast='more'] {
+		{{> more_contrast_light }}
+	}
+	{{/ more_contrast }}
 }
-{{/ less_contrast }}

templates/typography.css

@@ -1,17 +1,36 @@
 
 :root {
-	--font-heading: 'Open Sans', sans-serif;
+	--font-heading: Verdana, sans-serif;
-	--font-body: 'Open Sans', sans-serif;
+	--font-body: Verdana, sans-serif;
 	--font-monospace: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+
+	font-size: 16px;
 	font-family: var(--font-body);
 }
 
+@media screen and (max-width: 800px) {
+	:root {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 2000px) {
+	:root {
+		font-size: 18px;
+	}
+}
+
+
+
+/* ===== Font Families ===== */
+
 h1, h2, h3, h4, h5, h6,
 th, dt {
 	font-family: var(--font-heading);
 }
 
-p, td, dd, figcaption, li, blockquote {
+p, td, dd, figcaption, li, blockquote,
+input, textarea, select, option, optgroup, legend, fieldset, label, button {
 	font-family: var(--font-body);
 }
 
@@ -24,3 +43,110 @@ b, i, u, q,
 strong, em, mark, cite {
 	font-family: inherit;
 }
+
+
+
+/* ===== Font Sizes ===== */
+
+h1 {
+	font-size: 2.5rem;
+}
+
+h2 {
+	font-size: 1.8rem;
+}
+
+h3 {
+	font-size: 1.5rem;
+}
+
+h4 {
+	font-size: 1.2rem;
+}
+
+h5 {
+	font-size: 1rem;
+}
+
+h6 {
+	font-size: 0.8rem;
+}
+
+th, td, dt, dd,
+p, figcaption, li, blockquote,
+pre,
+input, textarea, select, option, optgroup, legend, fieldset, label, button {
+	font-size: 1rem;
+}
+
+a, span,
+b, i, u, q,
+strong, em, mark, cite,
+code, samp {
+	font-size: inherit;
+}
+
+
+
+/* ===== Colors ===== */
+
+::selection {
+	color: var(--theme-text-selection);
+	background: var(--theme-bg-text-selection);
+}
+
+h1, h2, h3, h4, h5, h6,
+th, dt {
+	color: var(--theme-text-heading)
+}
+
+p, td, dd, figcaption, li, blockquote,
+input, textarea, select, option, optgroup, legend, fieldset, label {
+	color: var(--theme-text-body)
+}
+
+button, input:is([type='button'], [type='submit'], [type='reset']) {
+	color: var(--theme-text-button-primary);
+	background: var(--theme-bg-button-primary);
+}
+
+:is(button, input:is([type='button'], [type='submit'], [type='reset'])):hover {
+	background: var(--theme-bg-button-primary-hover);
+}
+
+:is(button, input:is([type='button'], [type='submit'], [type='reset'])).secondary {
+	color: var(--theme-text-button-secondary);
+	background: var(--theme-bg-button-secondary);
+}
+
+:is(button, input:is([type='button'], [type='submit'], [type='reset'])).secondary:hover {
+	background: var(--theme-bg-button-secondary-hover);
+}
+
+pre, code, samp {
+	color: var(--theme-code-normal);
+}
+
+a {
+	color: var(--theme-text-link);
+}
+
+a:active {
+	color: var(--theme-text-link-active);
+}
+
+a:visited {
+	color: var(--theme-text-link-visited);
+}
+
+mark {
+	color: var(--theme-text-highlight);
+	background: var(--theme-bg-text-highlight);
+}
+
+span,
+b, i, u, q,
+strong, em, cite {
+	color: inherit;
+}
+

templates/weather.gov/forecast.html.mustache

@@ -0,0 +1,78 @@
+<section data-widget="weather-gov-forecast" title="Weather Forecast for {{ location.name }}">
+	<link rel="stylesheet" href="/weather.gov/styles.css">
+
+	<div class="flex-row">
+		<div class="today">
+			{{# forecast_today }}
+			<div class="{{# isDaytime }}day{{/ isDaytime }}{{^ isDaytime }}night{{/ isDaytime }}">
+				<h2>{{ name }}</h2>
+				<p class="condition">{{ shortForecast }}</p>
+				<p class="temp">
+					{{{ icons.thermometer }}}
+					<span>{{ temperature }}<sup>{{ temperatureUnit }}</sup></span>
+				</p>
+				<p class="wind">
+					{{{ icons.wind }}}
+					<span>{{ windSpeed }} <!-- / {{ windDirection }} --></span>
+				</p>
+			</div>
+			{{/ forecast_today }}
+		</div>
+
+		<table class="future">
+			<tr class="day">
+				{{# forecast_days }}
+				<td>
+					{{# . }}
+					<h3>{{ name }}</h3>
+					<p class="condition">{{ shortForecast }}</p>
+					<p class="temp">
+						{{{ icons.thermometer }}}
+						<span>{{ temperature }}<sup>{{ temperatureUnit }}</sup></span>
+					</p>
+					<p class="wind">
+						{{{ icons.wind }}}
+						<span>{{ windSpeed }} <!-- / {{ windDirection }} --></span>
+					</p>
+					{{/ . }}
+				</td>
+				{{/ forecast_days }}
+			</tr>
+			<tr class="night">
+				{{# forecast_nights }}
+				<td>
+					{{# . }}
+					<h3>{{ name }}</h3>
+					<p class="condition">{{ shortForecast }}</p>
+					<p class="temp">
+						{{{ icons.thermometer }}}
+						<span>{{ temperature }}<sup>{{ temperatureUnit }}</sup></span>
+					</p>
+					<p class="wind">
+						{{{ icons.wind }}}
+						<span>{{ windSpeed }} <!-- / {{ windDirection }} --></span>
+					</p>
+					{{/ . }}
+				</td>
+				{{/ forecast_nights }}
+			</tr>
+		</table>
+	</div>
+
+	{{# alerts.length }}
+	<ul class="alerts" title="Alerts">
+		{{# alerts }}
+		<li>
+			<h2>{{ event }}</h2>
+			<p class="headline">{{ headline }}</p>
+			<p class="description">{{ description }}</p>
+			<p class="instruction">{{ instruction }}</p>
+		</li>
+		{{/ alerts }}
+	</ul>
+	{{/ alerts.length }}
+
+	<p class="powered-by">
+		Powered by <a href="https://www.weather.gov/documentation/services-web-api" rel="external nofollow noreferrer">weather.gov</a>
+	</p>
+</section>

templates/weather.gov/styles.css

@@ -0,0 +1,83 @@
+
+[data-widget='weather-gov-forecast'] {
+	padding: 1rem;
+	max-width: 70rem;
+}
+
+[data-widget='weather-gov-forecast'] .alerts {
+	margin-block: 1rem;
+	padding-inline: 1rem;
+	border: 0.1rem solid var(--theme-border-error-box);
+	background: var(--theme-bg-error-box);
+	list-style: none;
+}
+
+[data-widget='weather-gov-forecast'] .alerts li {
+	margin-block: 1rem;
+}
+
+[data-widget='weather-gov-forecast'] .alerts p {
+	color: var(--theme-text-error-box);
+}
+
+[data-widget='weather-gov-forecast'] .alerts p.headline {
+	font-weight: 700;
+}
+
+[data-widget='weather-gov-forecast'] .flex-row {
+	display: flex;
+	flex-direction: row;
+	flex-wrap: nowrap;
+}
+
+[data-widget='weather-gov-forecast'] .today {
+	display: inline-flex;
+	flex-direction: column;
+	row-gap: 2rem;
+	padding: 1rem;
+	margin-block-end: 1rem;
+	background: var(--theme-bg-light);
+}
+
+[data-widget='weather-gov-forecast'] svg.icon {
+	width: 1rem;
+	height: 1rem;
+	flex: 0 0 1rem;
+}
+
+[data-widget='weather-gov-forecast'] h2 {
+	font-size: 1.2rem;
+	margin-block: 0;
+}
+
+[data-widget='weather-gov-forecast'] .today p {
+	font-size: 1rem;
+}
+
+[data-widget='weather-gov-forecast'] .today svg.icon {
+	width: 1.2rem;
+	height: 1.2rem;
+}
+
+[data-widget='weather-gov-forecast'] h3 {
+	font-size: 0.8rem;
+	margin-block-end: 0;
+}
+
+[data-widget='weather-gov-forecast'] p {
+	font-size: 0.8rem;
+	margin-block: 0.25rem;
+}
+
+[data-widget='weather-gov-forecast'] p:is(.wind, .temp) {
+	display: flex;
+	column-gap: 0.5rem;
+}
+
+[data-widget='weather-gov-forecast'] table {
+	margin-block-end: 1rem;
+}
+
+[data-widget='weather-gov-forecast'] td {
+	padding-inline: 1rem;
+}

templates/weatherapi.com/current.html.mustache

@@ -0,0 +1,21 @@
+<section data-widget="weatherapi-com-current" title="Current Weather for {{ location.name }}">
+	<link rel="stylesheet" href="/weatherapi.com/styles.css">
+
+	<p class="condition">
+		<span>{{ weather.current.condition.text }}</span>
+	</p>
+	
+	<p class="temp">
+		{{{ icons.thermometer }}}
+		<span>{{ weather.current.temp_f }}<sup>F</sup> / {{ weather.current.temp_c }}<sup>C</sup></span>
+	</p>
+	
+	<p class="wind">
+		{{{ icons.wind }}}
+		<span>{{ weather.current.wind_mph }} mph / {{ weather.current.wind_kph }} km/h / {{ weather.current.wind_dir }}</span>
+	</p>
+
+	<p class="powered-by">
+		Powered by <a href="https://www.weatherapi.com/docs/" rel="external nofollow noreferrer">WeatherAPI.com</a>
+	</p>
+</section>

templates/weatherapi.com/styles.css

@@ -0,0 +1,32 @@
+
+[data-widget='weatherapi-com-current'] {
+	width: 20rem;
+	padding: 1rem;
+}
+
+[data-widget='weatherapi-com-current'] svg.icon {
+	width: 1.2rem;
+	height: 1.2rem;
+	flex: 0 0 1.2rem;
+}
+
+[data-widget='weatherapi-com-current'] h2 {
+	font-size: 1.2rem;
+	margin-block: 0;
+}
+
+[data-widget='weatherapi-com-current'] p:is(.condition, .wind, .temp) {
+	display: flex;
+	column-gap: 0.5rem;
+	font-size: 1rem;
+	margin-block: 0.25rem;
+}
+
+[data-widget='weatherapi-com-current'] p.condition {
+	margin-block-end: 1rem;
+}
+
+[data-widget='weatherapi-com-current'] p.powered-by {
+	font-size: 0.8rem;
+	margin-block-start: 1rem;
+}

vendor/feather-icons/icons.json

@@ -0,0 +1,289 @@
+{
+  "activity": "<polyline points=\"22 12 18 12 15 21 9 3 6 12 2 12\"></polyline>",
+  "airplay": "<path d=\"M5 17H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2h-1\"></path><polygon points=\"12 15 17 21 7 21 12 15\"></polygon>",
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+  "arrow-down-right": "<line x1=\"7\" y1=\"7\" x2=\"17\" y2=\"17\"></line><polyline points=\"17 7 17 17 7 17\"></polyline>",
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+  "arrow-left": "<line x1=\"19\" y1=\"12\" x2=\"5\" y2=\"12\"></line><polyline points=\"12 19 5 12 12 5\"></polyline>",
+  "arrow-right-circle": "<circle cx=\"12\" cy=\"12\" r=\"10\"></circle><polyline points=\"12 16 16 12 12 8\"></polyline><line x1=\"8\" y1=\"12\" x2=\"16\" y2=\"12\"></line>",
+  "arrow-right": "<line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"></line><polyline points=\"12 5 19 12 12 19\"></polyline>",
+  "arrow-up-circle": "<circle cx=\"12\" cy=\"12\" r=\"10\"></circle><polyline points=\"16 12 12 8 8 12\"></polyline><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"8\"></line>",
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+  "arrow-up-right": "<line x1=\"7\" y1=\"17\" x2=\"17\" y2=\"7\"></line><polyline points=\"7 7 17 7 17 17\"></polyline>",
+  "arrow-up": "<line x1=\"12\" y1=\"19\" x2=\"12\" y2=\"5\"></line><polyline points=\"5 12 12 5 19 12\"></polyline>",
+  "at-sign": "<circle cx=\"12\" cy=\"12\" r=\"4\"></circle><path d=\"M16 8v5a3 3 0 0 0 6 0v-1a10 10 0 1 0-3.92 7.94\"></path>",
+  "award": "<circle cx=\"12\" cy=\"8\" r=\"7\"></circle><polyline points=\"8.21 13.89 7 23 12 20 17 23 15.79 13.88\"></polyline>",
+  "bar-chart-2": "<line x1=\"18\" y1=\"20\" x2=\"18\" y2=\"10\"></line><line x1=\"12\" y1=\"20\" x2=\"12\" y2=\"4\"></line><line x1=\"6\" y1=\"20\" x2=\"6\" y2=\"14\"></line>",
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+  "bookmark": "<path d=\"M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z\"></path>",
+  "box": "<path d=\"M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z\"></path><polyline points=\"3.27 6.96 12 12.01 20.73 6.96\"></polyline><line x1=\"12\" y1=\"22.08\" x2=\"12\" y2=\"12\"></line>",
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+}

vendor/feather-icons/license

@@ -0,0 +1,24 @@
+https://github.com/feathericons/feather/blob/master/LICENSE
+---
+
+The MIT License (MIT)
+
+Copyright (c) 2013-2017 Cole Bemis
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/feather-icons/readme.md

@@ -0,0 +1,6 @@
+
+<https://github.com/feathericons/feather>
+
+`icons.json` here is sourced from `dist/icons.json` from the bundle, version 4.29.0.
+
+This is intentionally not installed from `npm install feather-icons` because that package includes all of `core-js` as a dependency (which this project gets zero benefit from and is very large, impacting container image size).