Edits history of script submission #11435 for ' Send Email via GMail with correct encoding of German umlauts in Subject (gmail)'

• bun

  Edit in Windmill

  Embed

  import { encode as base64UrlEncode } from "https://deno.land/std@0.82.0/encoding/base64url.ts";
  
  /**
   * @param user_id User's email address. The special value `me` can be used to indicate the authenticated user.
   */
  type Gmail = {
    token: string;
  };
  
  // Helper function to Base64-encode UTF-8 strings
  function base64EncodeUTF8(str) {
    // Encode string as UTF-8 then convert to base64
    return btoa(unescape(encodeURIComponent(str)));
  }
  
  export async function main(
    gmail_auth: Gmail,
    to_email: string,
    subject: string,
    message: string,
    user_id: string = "me",
  ) {
    const token = gmail_auth["token"];
    if (!token) {
      throw Error(`
      No authentication token was found.
      Go to "https://app.windmill.dev/resources?connect_app=gmail" to connect Gmail, 
      then select your token from the dropdown in the arguments window.
      (Click "Refresh" if you don't see your resource in the list.)\n`);
    }
  
    // This breaks subject encoding of umlauts:
    //const text =
    //  `From: <${user_id}>\nTo: <${to_email}>\nSubject: ${subject}\nContent-Type: text/html; charset="UTF-8"\n\r <p>${message}</p>`;
    //const textEncoder = new TextEncoder();
    //const email = base64UrlEncode(textEncoder.encode(text));
    //const body = JSON.stringify({
    //  raw: email,
    //});
  
    // Instead: wrap the encoded subject in RFC 2047 format
    const encodedSubject = `=?UTF-8?B?${base64EncodeUTF8(subject)}?=`;
  
    // Build the raw email string with the encoded subject header
    const text = `From: <${user_id}>\n` +
      `To: <${to_email}>\n` +
      `Subject: ${encodedSubject}\n` +
      `Content-Type: text/html; charset="UTF-8"\n\n` +
      `<p>${message}</p>`;
  
    // Convert the email string into a Uint8Array and then Base64url encode it
    const textEncoder = new TextEncoder();
    const emailBytes = textEncoder.encode(text);
    const email = base64UrlEncode(emailBytes);
    
    // Prepare the request body for the Gmail API
    const body = JSON.stringify({
      raw: email,
    });
  
    const SEND_URL =
      `https://gmail.googleapis.com/gmail/v1/users/${user_id}/messages/send`;
  
    const response = await fetch(SEND_URL, {
      method: "POST",
      headers: { Authorization: "Bearer " + token },
      body,
    });
  
    const result = await handleSendEmailResult(await response.json(), to_email);
    return result;
  }
  
  async function handleSendEmailResult(result: object, to_email: string) {
    if (Object.keys(result).includes("error")) {
      return Promise.reject({ wm_to_email: to_email, ...result });
    }
  
    return result;
  }
  

  Submitted by alexander koderman64 17 days ago

• bun

  Edit in Windmill

  Embed

  import { encode as base64UrlEncode } from "https://deno.land/std@0.82.0/encoding/base64url.ts";
  
  /**
   * @param user_id User's email address. The special value `me` can be used to indicate the authenticated user.
   */
  type Gmail = {
    token: string;
  };
  
  // Helper function to Base64-encode UTF-8 strings
  function base64EncodeUTF8(str) {
    // Encode string as UTF-8 then convert to base64
    return btoa(unescape(encodeURIComponent(str)));
  }
  
  export async function main(
    gmail_auth: Gmail,
    to_email: string,
    subject: string,
    message: string,
    user_id: string = "me",
  ) {
    const token = gmail_auth["token"];
    if (!token) {
      throw Error(`
      No authentication token was found.
      Go to "https://app.windmill.dev/resources?connect_app=gmail" to connect Gmail, 
      then select your token from the dropdown in the arguments window.
      (Click "Refresh" if you don't see your resource in the list.)\n`);
    }
  
    // This breaks subject encoding of umlauts:
    //const text =
    //  `From: <${user_id}>\nTo: <${to_email}>\nSubject: ${subject}\nContent-Type: text/html; charset="UTF-8"\n\r <p>${message}</p>`;
    //const textEncoder = new TextEncoder();
    //const email = base64UrlEncode(textEncoder.encode(text));
    //const body = JSON.stringify({
    //  raw: email,
    //});
  
    // Instead: wrap the encoded subject in RFC 2047 format
    const encodedSubject = `=?UTF-8?B?${base64EncodeUTF8(subject)}?=`;
  
    // Build the raw email string with the encoded subject header
    const text = `From: <${user_id}>\n` +
      `To: <${to_email}>\n` +
      `Subject: ${encodedSubject}\n` +
      `Content-Type: text/html; charset="UTF-8"\n\n` +
      `<p>${message}</p>`;
  
    // Convert the email string into a Uint8Array and then Base64url encode it
    const textEncoder = new TextEncoder();
    const emailBytes = textEncoder.encode(text);
    const email = base64UrlEncode(emailBytes); // Assuming base64UrlEncode is defined elsewhere
  
    // Prepare the request body for the Gmail API
    const body = JSON.stringify({
      raw: email,
    });
  
    const SEND_URL =
      `https://gmail.googleapis.com/gmail/v1/users/${user_id}/messages/send`;
  
    const response = await fetch(SEND_URL, {
      method: "POST",
      headers: { Authorization: "Bearer " + token },
      body,
    });
  
    const result = await handleSendEmailResult(await response.json(), to_email);
    return result;
  }
  
  async function handleSendEmailResult(result: object, to_email: string) {
    if (Object.keys(result).includes("error")) {
      return Promise.reject({ wm_to_email: to_email, ...result });
    }
  
    return result;
  }
  

  Submitted by alexander koderman64 17 days ago