feat: add authentication

lib/cache/cache.ts

@@ -10,7 +10,7 @@ const REDIS_HOST = Deno.env.get("REDIS_HOST");
 const REDIS_PASS = Deno.env.get("REDIS_PASS") || "";
 const REDIS_PORT = Deno.env.get("REDIS_PORT");
 
-async function createCache<T>(): Promise<Map<string, T> | Redis> {
+async function createCache<T>(): Promise<Redis> {
   if (REDIS_HOST) {
     const conf: RedisConnectOptions = {
       hostname: REDIS_HOST,
@@ -32,6 +32,13 @@ async function createCache<T>(): Promise<Map<string, T> | Redis> {
   const mockRedis = new Map<string, RedisValue>();
 
   return {
+    async keys() {
+      return mockRedis.keys();
+    },
+    async delete(key: string) {
+      mockRedis.delete(key);
+      return key;
+    },
     async set(key: string, value: RedisValue) {
       mockRedis.set(key, value);
       return value.toString();
@@ -74,6 +81,14 @@ type RedisOptions = {
   expires?: number;
 };
 
+export function del(key: string) {
+  return cache.del(key);
+}
+
+export function keys(prefix: string) {
+  return cache.keys(prefix);
+}
+
 export async function set<T extends RedisValue>(
   id: string,
   content: T,

lib/cache/documents.ts

@@ -1,7 +1,7 @@
 import { Document } from "@lib/documents.ts";
 import * as cache from "@lib/cache/cache.ts";
 
-const CACHE_INTERVAL = 20; // 5 seconds;
+const CACHE_INTERVAL = 60;
 const CACHE_KEY = "documents";
 
 export async function getDocuments() {
@@ -19,12 +19,12 @@ export function setDocuments(documents: Document[]) {
 }
 
 export function getDocument(id: string) {
-  return cache.get<string>(CACHE_KEY + "/" + id);
+  return cache.get<string>(CACHE_KEY + ":" + id.replaceAll("/", ":"));
 }
 
 export async function setDocument(id: string, content: string) {
   await cache.set(
-    CACHE_KEY + "/" + id,
+    CACHE_KEY + ":" + id.replaceAll("/", ":"),
     content,
     { expires: CACHE_INTERVAL },
   );

lib/cache/image.ts

@@ -1,4 +1,4 @@
-import { hash } from "@lib/hash.ts";
+import { hash } from "@lib/string.ts";
 import * as cache from "@lib/cache/cache.ts";
 import { ImageMagick } from "https://deno.land/x/imagemagick_deno@0.0.25/mod.ts";
 
@@ -13,10 +13,12 @@ const CACHE_KEY = "images";
 
 function getCacheKey({ url: _url, width, height }: ImageCacheOptions) {
   const url = new URL(_url);
-  return `${CACHE_KEY}/${url.hostname}/${url.pathname}/${width}/${height}`
+  return `${CACHE_KEY}:${url.hostname}:${
+    url.pathname.replaceAll("/", ":")
+  }:${width}:${height}`
     .replace(
-      "//",
-      "/",
+      "::",
+      ":",
     );
 }
 
@@ -44,7 +46,7 @@ export async function getImage({ url, width, height }: ImageCacheOptions) {
     ? JSON.parse(pointerCacheRaw)
     : pointerCacheRaw;
 
-  const imageContent = await cache.get(pointerCache.id, true);
+  const imageContent = await cache.get(`image:${pointerCache.id}`, true);
   if (!imageContent) return;
 
   return {
@@ -68,7 +70,7 @@ export async function setImage(
   const cacheKey = getCacheKey({ url, width, height });
   const pointerId = await hash(cacheKey);
 
-  await cache.set(pointerId, clone);
+  await cache.set(`image:${pointerId}`, clone);
   cache.expire(pointerId, 60 * 60 * 24);
   cache.expire(cacheKey, 60 * 60 * 24);