Hexiaoyi MCP

const fs = require("fs"); const _supportFormat = [{format:".jpg", data:"data:image/jpeg;base64,"}, {format:".png", data:"data:image/png;base64,"},{format:".svg",data:"data:image/svg+xml;base64,"}, {format:".gif", data:"data:image/gif;base64,"}]; const saveImageFromBase64 = (imageBase64Data, pathPrefix, fileName) => { try { let fmtInfo = null; for(let i in _supportFormat) { if(imageBase64Data.startsWith(_supportFormat[i].data)) { fmtInfo = _supportFormat[i]; break; } } if(!fmtInfo) { //respError(res, "LOGO_IMAGE_FMT_ERROR"); console.log("saveImageFromBase64 LOGO_IMAGE_FMT_ERROR") return ""; } const dataStr = imageBase64Data.split(fmtInfo.data)[1]; if(atob(dataStr).length > 100000) { console.log("saveImageFromBase64 ImageSize Error"); return ""; } const buffer = Buffer.from(dataStr, 'base64'); fs.writeFileSync(process.env.RES_PATH + pathPrefix + fileName + fmtInfo.format, buffer); return fileName + fmtInfo.format; } catch (e) { console.error(e); return ""; } } module.exports = {saveImageFromBase64}