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(Node.js) Scan for Emails with Attachments and Save Attachments to FilesScan for emails with attachments and save attachments. Note: This example requires Chilkat v11.0.0 or greater.
var os = require('os'); if (os.platform() == 'win32') { var chilkat = require('@chilkat/ck-node23-win64'); } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node23-linux-arm'); } else if (os.arch() == 'arm64') { var chilkat = require('@chilkat/ck-node23-linux-arm64'); } else { var chilkat = require('@chilkat/ck-node23-linux-x64'); } } else if (os.platform() == 'darwin') { var chilkat = require('@chilkat/ck-node23-mac-universal'); } function chilkatExample() { var success = false; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var imap = new chilkat.Imap(); // Connect to an IMAP server. // Use TLS imap.Ssl = true; imap.Port = 993; success = imap.Connect("imap.example.com"); if (success == false) { console.log(imap.LastErrorText); return; } // Login success = imap.Login("myLogin","myPassword"); if (success == false) { console.log(imap.LastErrorText); return; } // Select an IMAP mailbox success = imap.SelectMailbox("Inbox"); if (success == false) { console.log(imap.LastErrorText); return; } // We can choose to fetch UIDs or sequence numbers. var fetchUids = true; // Get the message IDs of all the emails in the mailbox var messageSet = new chilkat.MessageSet(); success = imap.QueryMbx("ALL",fetchUids,messageSet); if (success == false) { console.log(imap.LastErrorText); return; } // Fetch the email headers into a bundle object: var bundle = new chilkat.EmailBundle(); var headersOnly = true; success = imap.FetchMsgSet(headersOnly,messageSet,bundle); if (success == false) { console.log(imap.LastErrorText); return; } // Scan for emails with attachments, and save the attachments // to a sub-directory. var fullEmail = new chilkat.Email(); var emailHeader = new chilkat.Email(); var i = 0; while (i < bundle.MessageCount) { // The bundle contains email headers.. bundle.EmailAt(i,emailHeader); // Does this email have attachments? // Use GetMailNumAttach because the attachments // are not actually in the email object because // we only downloaded headers. var numAttach = imap.GetMailNumAttach(emailHeader); if (numAttach > 0) { // Download the entire email and save the // attachments. (Remember, we // need to download the entire email because // only the headers were previously downloaded. // The ckx-imap-uid header field is added when // headers are downloaded. This makes it possible // to get the UID from the email object. var uidStr = emailHeader.GetHeaderField("ckx-imap-uid"); var uid = uidStr; success = imap.FetchEmail(false,uid,true,fullEmail); if (success == false) { console.log(imap.LastErrorText); return; } success = fullEmail.SaveAllAttachments("attachmentsDir"); var j; for (j = 0; j <= numAttach - 1; j++) { var filename = imap.GetMailAttachFilename(emailHeader,j); console.log(filename); } } i = i+1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } chilkatExample(); |
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