@darksnyder/license-key/template/LicenseKey.js

License key Generator

function checkAndAddUserEmailAndLicenseKey() {
  const email = Session.getActiveUser().getEmail();
  const licenseKey = generateLicenseKey();
  const endpoint = `${NEXT_PUBLIC_SUPABASE_URL}/rest/v1/users`;

  // First, check if the email already exists in Supabase
  const checkOptions = {
    method: "get",
    headers: {
      apikey: NEXT_PUBLIC_SUPABASE_KEY,
      Authorization: `Bearer ${NEXT_PUBLIC_SUPABASE_KEY}`,
    },
    muteHttpExceptions: true,
  };

  const checkResponse = UrlFetchApp.fetch(
    `${endpoint}?email=eq.${email}`,
    checkOptions
  );
  const checkData = JSON.parse(checkResponse.getContentText());

  // If email already exists, return early
  if (checkData.length > 0) {
    console.log("User already exists. Skipping addition.");
    return;
  }

  // If email doesn't exist, add the user
  const payload = {
    email: email,
    licenseKey: licenseKey,
  };

  const addOptions = {
    method: "post",
    headers: {
      "Content-Type": "application/json",
      apikey: NEXT_PUBLIC_SUPABASE_KEY,
      Authorization: `Bearer ${NEXT_PUBLIC_SUPABASE_KEY}`,
      Prefer: "return=minimal",
    },
    payload: JSON.stringify(payload),
    muteHttpExceptions: true,
  };

  const addResponse = UrlFetchApp.fetch(endpoint, addOptions);

  // Check if add operation was successful
  if (addResponse.getResponseCode() === 201) {
    console.log("Email and license key successfully added to Supabase");
  } else {
    console.error(
      "Failed to add email and license key:",
      addResponse.getContentText()
    );
  }
}

function generateLicenseKey() {
  const keyLength = 16; // Total characters in the license key
  const keySegments = 4; // Number of segments
  const segmentLength = keyLength / keySegments; // Length of each segment

  // Characters allowed in the license key (uppercase letters and numbers)
  const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

  let licenseKey = "";

  // Generate each segment of the license key
  for (let i = 0; i < keyLength; i++) {
    // Add a random character from the allowed set
    licenseKey += characters.charAt(
      Math.floor(Math.random() * characters.length)
    );

    // Add a dash after each segment (except the last one)
    if ((i + 1) % segmentLength === 0 && i < keyLength - 1) {
      licenseKey += "-";
    }
  }

  return licenseKey;
}

function getLicenseKeyByEmail() {
  const email = Session.getActiveUser().getEmail(); // Get the user email
  const endpoint = `${NEXT_PUBLIC_SUPABASE_URL}/rest/v1/users?email=eq.${email}&select=licenseKey`;

  const options = {
    method: "get",
    headers: {
      apikey: NEXT_PUBLIC_SUPABASE_KEY,
      Authorization: `Bearer ${NEXT_PUBLIC_SUPABASE_KEY}`,
    },
    muteHttpExceptions: true,
  };

  try {
    const response = UrlFetchApp.fetch(endpoint, options);
    const data = JSON.parse(response.getContentText());

    if (response.getResponseCode() === 200 && data.length > 0) {
      return data[0].licenseKey; // Return the license key if found
    } else {
      console.log("No license key found for this email.");
      return null; // Return null if no license key is found
    }
  } catch (error) {
    console.error("Error fetching license key:", error);
    return null; // Return null in case of an error
  }
}