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(Unicode C++) 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.
#include <CkImapW.h> #include <CkMessageSetW.h> #include <CkEmailBundleW.h> #include <CkEmailW.h> void ChilkatSample(void) { bool success = false; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkImapW imap; // Connect to an IMAP server. // Use TLS imap.put_Ssl(true); imap.put_Port(993); success = imap.Connect(L"imap.example.com"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Login success = imap.Login(L"myLogin",L"myPassword"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Select an IMAP mailbox success = imap.SelectMailbox(L"Inbox"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // We can choose to fetch UIDs or sequence numbers. bool fetchUids = true; // Get the message IDs of all the emails in the mailbox CkMessageSetW messageSet; success = imap.QueryMbx(L"ALL",fetchUids,messageSet); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Fetch the email headers into a bundle object: CkEmailBundleW bundle; bool headersOnly = true; success = imap.FetchMsgSet(headersOnly,messageSet,bundle); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Scan for emails with attachments, and save the attachments // to a sub-directory. CkEmailW fullEmail; CkEmailW emailHeader; int i = 0; while (i < bundle.get_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. int 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. const wchar_t *uidStr = emailHeader.getHeaderField(L"ckx-imap-uid"); int uid = wcstol(uidStr); success = imap.FetchEmail(false,uid,true,fullEmail); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } success = fullEmail.SaveAllAttachments(L"attachmentsDir"); int j; for (j = 0; j <= numAttach - 1; j++) { const wchar_t *filename = imap.getMailAttachFilename(emailHeader,j); wprintf(L"%s\n",filename); } } i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } |
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