import { Buffer } from "node:buffer";

import { lookup } from "node:dns/promises";

export { estimateBase64DecodedBytes } from "openclaw/plugin-sdk/media-runtime";

import { estimateBase64DecodedBytes } from "openclaw/plugin-sdk/media-runtime";

import {

buildHostnameAllowlistPolicyFromSuffixAllowlist,

isHttpsUrlAllowedByHostnameSuffixAllowlist,

export const GRAPH_ROOT = "https://graph.microsoft.com/v1.0";

export { isRecord };

// Keep this local; importing the broad media-runtime SDK barrel pulls image/audio runtimes into

// hot MSTeams attachment tests for one tiny estimator.

export function estimateBase64DecodedBytes(base64: string): number {

let effectiveLen = 0;

for (let i = 0; i < base64.length; i += 1) {

const code = base64.charCodeAt(i);

if (code <= 0x20) {

continue;

}

effectiveLen += 1;

}

if (effectiveLen === 0) {

return 0;

}

let padding = 0;

let end = base64.length - 1;

while (end >= 0 && base64.charCodeAt(end) <= 0x20) {

end -= 1;

}

if (end >= 0 && base64[end] === "=") {

padding = 1;

end -= 1;

while (end >= 0 && base64.charCodeAt(end) <= 0x20) {

end -= 1;

}

if (end >= 0 && base64[end] === "=") {

padding = 2;

}

}

const estimated = Math.floor((effectiveLen * 3) / 4) - padding;

return Math.max(0, estimated);

}

/**

* Host suffixes for SharePoint/OneDrive shared links that must be fetched via

* the Graph `/shares/{shareId}/driveItem/content` endpoint instead of directly.