mail-parser-wasm-worker

NOTE

If you are using webhook forwarding or telegram bot to receive emails, but the email content is garbled or cannot be parsed, and you have higher requirements for parsing, you can use this feature.

UI Deployment

1. Download worker-with-wasm-mail-parser.zip

2. Go back to Overview, find the worker you just created, click Edit Code, delete the original files, upload worker.js and files with wasm extension, click Deploy

   NOTE

   To upload, first click Explorer in the left menu, Right-click in the file list window and find Upload in the context menu, Please refer to the screenshot below

   Reference: issues156

   

CLI Deployment

Modify Code

cd worker
pnpm add mail-parser-wasm-worker

Edit worker/src/common.ts, uncomment this code to use mail-parser-wasm-worker to parse emails

export const commonParseMail = async (raw_mail: string | undefined | null): Promise<{
    sender: string,
    subject: string,
    text: string,
    html: string
} | undefined> => {
    if (!raw_mail) {
        return undefined;
    }
    // Uncomment this code to use mail-parser-wasm-worker to parse emails start
    // TODO: WASM parse email
    try {
        const { parse_message_wrapper } = await import('mail-parser-wasm-worker');

        const parsedEmail = parse_message_wrapper(raw_mail);
        return {
            sender: parsedEmail.sender || "",
            subject: parsedEmail.subject || "",
            text: parsedEmail.text || "",
            headers: parsedEmail.headers || [],
            html: parsedEmail.body_html || "",
        };
    } catch (e) {
        console.error("Failed use mail-parser-wasm-worker to parse email", e);
    }
    // Uncomment this code to use mail-parser-wasm-worker to parse emails end
    try {
        const { default: PostalMime } = await import('postal-mime');
        const parsedEmail = await PostalMime.parse(raw_mail);
        return {
            sender: parsedEmail.from ? `${parsedEmail.from.name} <${parsedEmail.from.address}>` : "",
            subject: parsedEmail.subject || "",
            text: parsedEmail.text || "",
            html: parsedEmail.html || "",
        };
    }
    catch (e) {
        console.error("Failed use PostalMime to parse email", e);
    }
    return undefined;
}

Deploy

cd worker
pnpm run deploy