Scan for Emails with Attachments and Save Attachments to Files

Scan for emails with attachments and save attachments.

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MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

#include <C_CkImap.h>
#include <C_CkMessageSet.h>
#include <C_CkEmailBundle.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkImap imap;
    BOOL success;
    HCkMessageSet messageSet;
    BOOL fetchUids;
    HCkEmailBundle bundle;
    long i;
    HCkEmail email;
    long numAttach;
    const char * uidStr;
    long uid;
    HCkEmail fullEmail;
    long j;
    const char * filename;

    imap = CkImap_Create();

    //  Anything unlocks the component and begins a fully-functional 30-day trial.
    success = CkImap_UnlockComponent(imap,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Connect to an IMAP server.
    success = CkImap_Connect(imap,"mail.chilkatsoft.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Login
    success = CkImap_Login(imap,"admin@chilkatsoft.com","*myPassword5*");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Select an IMAP mailbox
    success = CkImap_SelectMailbox(imap,"Inbox");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  We can choose to fetch UIDs or sequence numbers.

    fetchUids = TRUE;

    //  Get the message IDs of all the emails in the mailbox
    messageSet = CkImap_Search(imap,"ALL",fetchUids);
    if (messageSet == 0 ) {
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Fetch the email headers into a bundle object:

    bundle = CkImap_FetchHeaders(imap,messageSet);
    if (bundle == 0 ) {
        CkMessageSet_Dispose(messageSet);
        printf("%s\n",CkImap_lastErrorText(imap));
        return;
    }

    //  Scan for emails with attachments, and save the attachments
    //  to a sub-directory.

    for (i = 0; i <= CkEmailBundle_getMessageCount(bundle) - 1; i++) {

        email = CkEmailBundle_GetEmail(bundle,i);

        //  Does this email have attachments?
        //  Use GetMailNumAttach because the attachments
        //  are not actually in the email object because
        //  we only downloaded headers.
        //  (Had we downloaded the full emails by
        //  calling mailman.FetchBundle, we could look
        //  at the email object's NumAttachments property.)

        numAttach = CkImap_GetMailNumAttach(imap,email);

        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.
            //  If the entire emails were downloaded by
            //  calling FetchBundle instead of FetchHeaders,
            //  this would not be necessary.

            //  The ckx-imap-uid header field is added when
            //  headers are downloaded.  This makes it possible
            //  to get the UID from the email object.

            uidStr = CkEmail_getHeaderField(email,"ckx-imap-uid");

            uid = atoi(uidStr);

            fullEmail = CkImap_FetchSingle(imap,uid,TRUE);
            if (!(fullEmail == 0 )) {
                CkEmail_SaveAllAttachments(fullEmail,"attachmentsDir");
                CkEmail_Dispose(fullEmail);
            }

            for (j = 0; j <= numAttach - 1; j++) {

                filename = CkImap_getMailAttachFilename(imap,email,j);
                printf("%s\n",filename);
            }

        }

        CkEmail_Dispose(email);
    }

    //  Disconnect from the IMAP server.
    CkImap_Disconnect(imap);

    CkMessageSet_Dispose(messageSet);
    CkEmailBundle_Dispose(bundle);

    CkImap_Dispose(imap);

    }