Fixed 267U.pre2

2026-07-26 18:25:37 +09:00
parent 50bfaeafdf
commit 317d00a284
1286 changed files with 80222 additions and 1 deletions
@@ -0,0 +1,49 @@
+import probeImageSize from "probe-image-size";
+import { Mutex } from "redis-semaphore";
+import { FILE_TYPE_BROWSERSAFE } from "../const.js";
+import Logger from "../services/logger.js";
+import { Cache } from "./cache.js";
+import { redisClient } from "../db/redis.js";
+const cache = new Cache("emojiMeta", 60 * 10); // once every 10 minutes for the same url
+const logger = new Logger("emoji");
+export async function getEmojiSize(url) {
+    let attempted = true;
+    const lock = new Mutex(redisClient, "getEmojiSize");
+    await lock.acquire();
+    try {
+        attempted = await cache.get(url) === true;
+        if (!attempted) {
+            await cache.set(url, true);
+        }
+    } finally{
+        await lock.release();
+    }
+    if (attempted) {
+        logger.warn(`Attempt limit exceeded: ${url}`);
+        throw new Error("Too many attempts");
+    }
+    try {
+        logger.debug(`Retrieving emoji size from ${url}`);
+        const { width, height, mime } = await probeImageSize(url, {
+            timeout: 5000
+        });
+        if (!(mime.startsWith("image/") && FILE_TYPE_BROWSERSAFE.includes(mime))) {
+            throw new Error("Unsupported image type");
+        }
+        return {
+            width,
+            height
+        };
+    } catch (e) {
+        throw new Error(`Unable to retrieve metadata: ${e}`);
+    }
+}
+export function getNormalSize({ width, height }, orientation) {
+    return (orientation || 0) >= 5 ? {
+        width: height,
+        height: width
+    } : {
+        width,
+        height
+    };
+}