Wysyłaj e-maile z załącznikami w Oracle D2k, Oracle Forms 10g, Oracle Forms 6i

Wysyłaj e-maile z załącznikami w Oracle D2k, Oracle Forms 10g, Oracle Forms 6i.

Utwórz obiekt katalogu Email_Files w bieżącym schemacie, z którego chcesz wysyłać e-maile.

Create or Replace directory email_files as 'c:\urdir';

PROCEDURE Send_Email(ifrom In varchar2, ito In varchar2, icc In varchar2, ifile In varchar2, ifile2 In varchar2,
isubject In varchar2, imsg In varchar2, isrl_no In number)
 Is
    /*utl_smtp related variables. */
    vfile varchar2(100);
    v_connection_handle  Utl_Smtp.CONNECTION;
    v_from_email_address VARCHAR2(1000) := ifrom;
    v_to_email_address   VARCHAR2(1000) := ito;
    v_smtp_host          VARCHAR2(100) := 'mail.urdomain.com'; --your mail server
    v_subject            VARCHAR2(1000) := isubject;
    l_message            VARCHAR2(2000) := imsg;
  nls_charset    varchar2(255);  
    /* this send_header procedure is written in the documentation */
    PROCEDURE send_header(pi_name In VARCHAR2, pi_header In VARCHAR2) As
    BEGIN
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          pi_name || ': ' || pi_header || Utl_Tcp.CRLF);
    END;

 BEGIN
       Select Value
       Into   nls_charset
       From   NLS_DATABASE_PARAMETERS
       Where  parameter = 'NLS_CHARACTERSET';
  
    /*utl_smtp related coding. */
    v_connection_handle := Utl_Smtp.OPEN_CONNECTION(v_smtp_host, 25);
    Utl_Smtp.EHLO(v_connection_handle, v_smtp_host);
    utl_smtp.command(v_connection_handle, 'auth login');
  utl_smtp.command(v_connection_handle,utl_encode.text_encode('[email protected]', nls_charset, 1));
  utl_smtp.command(v_connection_handle, utl_encode.text_encode('urpassword', nls_charset, 1));
    Utl_Smtp.Mail(v_connection_handle, v_from_email_address);
    Utl_Smtp.RCPT(v_connection_handle, v_to_email_address);
    IF icc Is Not Null Then
     Utl_Smtp.RCPT(v_connection_handle, icc);
    END IF;
    Utl_Smtp.OPEN_DATA(v_connection_handle);
    send_header('From', ifrom);
     send_header('To', ito);
    IF icc Is Not Null Then
      send_header('Cc', icc);
    END IF; 
    send_header('Subject', v_subject); 
    IF IFILE Is Null And IFILE2 Is Null Then
         Utl_Smtp.WRITE_DATA(v_connection_handle,
                           'Content-Type: text/html;' || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle,
                            ' charset=US-ASCII' || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle, l_message || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
    END IF;
    
    --mime header.
    IF ifile Is Not Null Then
     For i In 1..2 LOOP
      /*preparing the lob from file for attachment. */
          /*lob operation related varriables */
      IF i = 1 Then
        vfile := ifile;
      Else
       IF ifile2 Is Null Then
         EXIT;
       Else
        vfile := ifile2;
       END IF;
      END IF;
          DECLARE
         v_src_loc  BFILE := Bfilename('EMAIL_FILES', Nvl(vfile, 'temp'));
         l_buffer   RAW(54);
         l_amount   BINARY_INTEGER := 54;
         l_pos      INTEGER := 1;
         l_blob     BLOB := Empty_Blob;
         l_blob_len INTEGER;
         v_amount   INTEGER;
         BEGIN
      Dbms_Lob.OPEN(v_src_loc, Dbms_Lob.LOB_READONLY); --read the file
      Dbms_Lob.CREATETEMPORARY(l_blob, TRUE); --create temporary lob to store the file.
      v_amount := Dbms_Lob.GETLENGTH(v_src_loc); --amount to store.
      Dbms_Lob.LOADFROMFILE(l_blob, v_src_loc, v_amount); -- loading from file into temporary lob
      l_blob_len := Dbms_Lob.getlength(l_blob);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          'MIME-Version: 1.0' || Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          'Content-Type: multipart/mixed; ' || Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          ' boundary= "' || 'EMAIL_FILES.SECBOUND' || '"' ||
                          Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
      IF i = 1 Then
        -- mail body
        Utl_Smtp.WRITE_DATA(v_connection_handle,
                            '--' || 'EMAIL_FILES.SECBOUND' || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle,
                            'Content-Type: text/html;' || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle,
                            ' charset=US-ASCII' || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle, l_message || Utl_Tcp.CRLF);
        Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
      END IF;
      -- mail attachment
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          '--' || 'EMAIL_FILES.SECBOUND' || Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          'Content-Type: application/octet-stream' ||
                          Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          'Content-Disposition: attachment; ' || Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                         ' filename="' || vfile || '"' || --my filename
                          Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          'Content-Transfer-Encoding: base64' || Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
    /* writing the blol in chunks */
      WHILE l_pos < l_blob_len LOOP
        Dbms_Lob.Read(l_blob, l_amount, l_pos, l_buffer);
        Utl_Smtp.write_raw_data(v_connection_handle,
                                Utl_Encode.BASE64_ENCODE(l_buffer));
        Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
        l_buffer := Null;
        l_pos    := l_pos + l_amount;
      END LOOP;
      Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
      Dbms_Lob.FREETEMPORARY(l_blob);
     Dbms_Lob.FILECLOSE(v_src_loc);
      EXCEPTION
       When Others Then
         Dbms_Lob.FREETEMPORARY(l_blob);
         Dbms_Lob.FILECLOSE(v_src_loc);
        END;
     END LOOP;
      -- close email
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          '--' || 'EMAIL_FILES.SECBOUND' || '--' || Utl_Tcp.CRLF);
      Utl_Smtp.WRITE_DATA(v_connection_handle,
                          Utl_Tcp.CRLF || '.' || Utl_Tcp.CRLF);
      END IF;
      Utl_Smtp.CLOSE_DATA(v_connection_handle);
      Utl_Smtp.QUIT(v_connection_handle);
  EXCEPTION
    When Others Then
--    utl_smtp.quit(v_connection_handle);
     IF ifile Is Not Null Then
      Utl_Smtp.QUIT(v_connection_handle);

     END IF;
      RAISE;
  END;