@sentry/core/build/esm/vendor/getIpAddress.js

Base implementation for all Sentry JavaScript SDKs

const ipHeaderNames = [
  "X-Client-IP",
  "X-Forwarded-For",
  "Fly-Client-IP",
  "CF-Connecting-IP",
  "Fastly-Client-Ip",
  "True-Client-Ip",
  "X-Real-IP",
  "X-Cluster-Client-IP",
  "X-Forwarded",
  "Forwarded-For",
  "Forwarded",
  "X-Vercel-Forwarded-For"
];
function getClientIPAddress(headers) {
  const lowerCaseHeaders = {};
  for (const key of Object.keys(headers)) {
    lowerCaseHeaders[key.toLowerCase()] = headers[key];
  }
  const headerValues = ipHeaderNames.map((headerName) => {
    const rawValue = lowerCaseHeaders[headerName.toLowerCase()];
    const value = Array.isArray(rawValue) ? rawValue.join(";") : rawValue;
    if (headerName === "Forwarded") {
      return parseForwardedHeader(value);
    }
    return value?.split(",").map((v) => v.trim());
  });
  const flattenedHeaderValues = headerValues.reduce((acc, val) => {
    if (!val) {
      return acc;
    }
    return acc.concat(val);
  }, []);
  const ipAddress = flattenedHeaderValues.find((ip) => ip !== null && isIP(ip));
  return ipAddress || null;
}
function parseForwardedHeader(value) {
  if (!value) {
    return null;
  }
  for (const part of value.split(";")) {
    if (part.startsWith("for=")) {
      return part.slice(4);
    }
  }
  return null;
}
function isIP(str) {
  const regex = /(?:^(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}$)|(?:^(?:(?:[a-fA-F\d]{1,4}:){7}(?:[a-fA-F\d]{1,4}|:)|(?:[a-fA-F\d]{1,4}:){6}(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|:[a-fA-F\d]{1,4}|:)|(?:[a-fA-F\d]{1,4}:){5}(?::(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,2}|:)|(?:[a-fA-F\d]{1,4}:){4}(?:(?::[a-fA-F\d]{1,4}){0,1}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,3}|:)|(?:[a-fA-F\d]{1,4}:){3}(?:(?::[a-fA-F\d]{1,4}){0,2}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,4}|:)|(?:[a-fA-F\d]{1,4}:){2}(?:(?::[a-fA-F\d]{1,4}){0,3}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,5}|:)|(?:[a-fA-F\d]{1,4}:){1}(?:(?::[a-fA-F\d]{1,4}){0,4}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,6}|:)|(?::(?:(?::[a-fA-F\d]{1,4}){0,5}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,7}|:)))(?:%[0-9a-zA-Z]{1,})?$)/;
  return regex.test(str);
}

export { getClientIPAddress, ipHeaderNames };
//# sourceMappingURL=getIpAddress.js.map