MCPX MCP Gateway

import { v4 as uuidv4 } from "uuid"; export interface DockerArguments { originalImage: string; args: string[]; image: string; } export function generateDockerFile( osType: "alpine" | "debian" | "ubuntu" | "centos" | "rhel" | "fedora", ): (props: { originalImageName: string; caCertFilename: string; originalUser: string; }) => string { switch (osType) { case "alpine": return ({ originalImageName, caCertFilename, originalUser }) => ` FROM ${originalImageName} USER root COPY ${caCertFilename} /usr/local/share/ca-certificates/proxy_lunar.crt RUN apk add --no-cache ca-certificates ENV SSL_CERT_FILE=/usr/local/share/ca-certificates/proxy_lunar.crt ENV GODEBUG=http2client=0 RUN update-ca-certificates || true USER ${originalUser} `; case "debian": case "ubuntu": return ({ originalImageName, caCertFilename, originalUser }) => ` FROM ${originalImageName} USER root COPY ${caCertFilename} /usr/local/share/ca-certificates/proxy_lunar.crt RUN apt-get update && apt-get install -y ca-certificates ENV SSL_CERT_FILE=/usr/local/share/ca-certificates/proxy_lunar.crt ENV GODEBUG=http2client=0 RUN update-ca-certificates || true USER ${originalUser} `; case "centos": case "rhel": case "fedora": return ({ originalImageName, caCertFilename, originalUser }) => ` FROM ${originalImageName} USER root COPY ${caCertFilename} /etc/pki/ca-trust/source/anchors/proxy_lunar.crt RUN yum install -y ca-certificates || dnf install -y ca-certificates ENV SSL_CERT_FILE=/etc/pki/ca-trust/source/anchors/proxy_lunar.crt ENV GODEBUG=http2client=0 RUN update-ca-trust extract || true USER ${originalUser} `; default: throw new Error(`Unsupported OS type: ${osType}`); } } export function parseDockerArgs(args: string[]): DockerArguments { const argsCopy = [...args]; const uuid = uuidv4().replace(/-/g, ""); const originalImage = argsCopy.pop() || ""; const modifiedArgs = argsCopy.filter( (arg) => !arg.startsWith("--network=") && !arg.startsWith("--net="), ); const newImageTag = `${originalImage.split(":")[0]}-with-lunar.dev-interception-${uuid.slice(-5)}`; modifiedArgs.push(...["--network", "host"]); modifiedArgs.push(newImageTag); return { originalImage, args: modifiedArgs, image: newImageTag, }; }