initial commit

Dockerfile

@@ -0,0 +1,8 @@
+FROM denoland/deno:2.3.1
+
+RUN mkdir /app
+WORKDIR /app
+COPY . /app
+
+EXPOSE 8000
+ENTRYPOINT ["deno", "serve", "--unstable-sloppy-imports", "/app"]

index.ts

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+import { Buffer } from "node:buffer"
+import { inflateRawSync } from "node:zlib"
+import { parse as parseXML } from "https://deno.land/x/xml@6.0.4/parse.ts"
+
+const corsHeaders = { 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Methods': 'OPTIONS, POST' }
+
+export default {
+	async fetch(req) {
+		if (req.method === 'OPTIONS') return new Response("OK", { headers: corsHeaders })
+		if (req.method !== 'POST') return new Response("Only POST requests are allowed.", { status: 400 })
+		const uri = new URL(req.url)
+		const query = new URLSearchParams(uri.search)
+		let buffer, inflated, output = null
+
+		const body = req.body && await req.text() || false
+		if (!body) return new Response('POST request must have a body', { status: 400 })
+
+		try {
+			buffer = Buffer.from(body, 'base64')
+			if (!buffer) return new Response('Failed to convert body to Buffer.', { status: 500 })
+		} catch (err) {
+			return new Response(`Failed to convert body to Buffer: ${err}`, { status: 500 })
+		}
+		
+		try {
+			inflated = inflateRawSync(buffer)
+			if (!inflated) return new Response('Failed to inflate Buffer.', { status: 500 })
+		} catch (err) {
+			return new Response(`Failed to inflate Buffer: ${err}`, { status: 500 })
+		}
+
+		try {
+			output = inflated.toString('utf-8')
+			if (!output) return new Response('Failed to convert output to UTF-8.', { status: 500 })
+		} catch (err) {
+			return new Response(`Failed to convert output to UTF-8: ${err}`, { status: 500 })
+		}
+
+		if (query.has('json')) output = JSON.stringify(parseXML(output))
+		return new Response(output)
+  }
+}