Embed base images into binary

Include resource directory Ran `deno fmt` with 4 space indent, that changed every file (!!!!!) various changes
2025-03-24 19:11:36 -04:00
parent 2207e389c9
commit 49c481aa0e
61 changed files with 2369 additions and 2031 deletions
--- a/src/routes/img.ts
+++ b/src/routes/img.ts
@@ -0,0 +1,106 @@
+import { APIUtils, NoBody } from "../apiutils.ts";
+import * as BaseImages from "../data/content/baseimages.ts";
+import Logging from "@proxnet/undead-logging";
+import express from "express";
+import * as Images from "./../data/content/images.ts";
+import { Image } from "https://deno.land/x/imagescript@1.3.0/mod.ts";
+import { Buffer } from "node:buffer";
+
+export const route = APIUtils.createRouter("/img");
+
+const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890. "
+    .split("");
+function sanitizeString(input: string) {
+    return input.split("").filter((char) => chars.includes(char)).join("");
+}
+
+const baseImages = BaseImages.getAllBaseImages();
+
+interface ImageQueryOptions {
+    cropSquare?: string;
+    width?: string;
+    height?: string;
+}
+
+route.router.get(
+    "*",
+    async (
+        rq: express.Request<NoBody, NoBody, NoBody, ImageQueryOptions>,
+        rs: express.Response,
+        nxt: express.NextFunction,
+    ) => {
+        const filename = sanitizeString(
+            rq.path.substring(1, rq.path.length).replaceAll("%20", " "),
+        );
+
+        // why does it think it is never reassigned? line 39
+        // deno-lint-ignore prefer-const
+        let image: Image;
+        const imageSource = baseImages.includes(filename)
+            ? BaseImages.getBaseImage(filename)
+            : await Images.getImage(filename);
+        if (imageSource == null) {
+            nxt();
+            return;
+        }
+        image = await Image.decode(imageSource);
+
+        let cropSquare: boolean = false;
+        if (typeof rq.query.cropSquare == "string") {
+            const d = JSON.parse(rq.query.cropSquare);
+            if (typeof d == "boolean" && d) cropSquare = true;
+        }
+        let width: number | null = null;
+        if (typeof rq.query.width == "string") {
+            const num = parseInt(rq.query.width);
+            if (isNaN(num)) width = null;
+            else width = num;
+        }
+        let height: number | null = null;
+        if (typeof rq.query.height == "string") {
+            const num = parseInt(rq.query.height);
+            if (isNaN(num)) height = null;
+            else height = num;
+        }
+
+        if (cropSquare) {
+            if (image.width > image.height) {
+                image.crop(
+                    Math.round(image.width / 2) - Math.round(image.height / 2),
+                    0,
+                    image.height,
+                    image.height,
+                );
+            } else {image.crop(
+                    0,
+                    Math.round(image.height / 2) - Math.round(image.width / 2),
+                    image.width,
+                    image.width,
+                );}
+        }
+        if (width && height) {
+            const targetWidth = width > image.width ? image.width : width;
+            const targetHeight = height > image.height ? image.height : height;
+            if (image.width > image.height) {
+                image.resize(Image.RESIZE_AUTO, height);
+                image.crop(
+                    Math.round(image.width / 2) - Math.round(targetWidth / 2),
+                    0,
+                    targetWidth,
+                    image.height,
+                );
+            } else {
+                image.resize(width, Image.RESIZE_AUTO);
+                image.crop(
+                    0,
+                    Math.round(image.height / 2) - Math.round(targetHeight / 2),
+                    image.width,
+                    targetHeight,
+                );
+            }
+        } else if (width) image.resize(width, Image.RESIZE_AUTO);
+        else if (height) image.resize(Image.RESIZE_AUTO, height);
+
+        rs.type("png").send(Buffer.from(await image.encode()));
+    },
+);