404 page allows you to visit that user

Closes #43

src/lib/utils/request.js

@@ -29,7 +29,8 @@ function request(url, options = {}, settings = {}) {
 			headers: {
 				"User-Agent": userAgent
 			},
-			followRedirect: false
+			followRedirect: false,
+			throwHttpErrors: false
 		}, options))
 	} else {
 		throw new Error("Invalid value for setting `request_backend`.")

src/site/api/404.js

@@ -0,0 +1,10 @@
+const {render} = require("pinski/plugins")
+const constants = require("../../lib/constants")
+
+module.exports = [
+	{route: "/404", methods: ["GET", "POST", "PATCH", "DELETE"], code: async ({url}) => {
+		const path = url.searchParams.get("pathname")
+		const couldBeUsername = path.match(`^/${constants.external.username_regex}$`)
+		return render(404, "pug/404.pug", {path, couldBeUsername})
+	}}
+]

src/site/pug/404.pug

@@ -1,3 +1,5 @@
+//- Needs path, couldBeUsername
+
 include includes/error
 
 doctype html
@@ -8,3 +10,5 @@ html
 
 	body.error-page
 		+error(404, "Page not found.")
+			if couldBeUsername
+				| Trying to access a user? #[a(href=`/u${path}`) Visit @#{path.slice(1)}]

src/site/server.js

@@ -19,7 +19,6 @@ subdirs("pug", async (err, dirs) => {
 	// need to check for and run db upgrades before anything starts using it
 	await require("../lib/utils/upgradedb")()
 
-	pinski.addRoute("/404", "pug/404.pug", "pug")
 	pinski.setNotFoundTarget("/404")
 	pinski.addRoute("/static/css/main.css", "sass/main.sass", "sass")
 	pinski.addPugDir("pug", dirs)