SQL Server

IMAP using SOCKS5, SOCKS4 Proxy

Demonstrates how to connect to an IMAP server through a SOCKS5 or SOCKS4 proxy. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @imap int
    EXEC @hr = sp_OACreate 'Chilkat.Imap', @imap OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- To use a SOCKS4 or SOCKS5 proxy, simply set the following
    -- properties prior to connecting with the IMAP server:
    -- The SOCKS hostname may be a domain name or 
    -- IP address:
    EXEC sp_OASetProperty @imap, 'SocksHostname', 'www.mysocksproxyserver.com'
    EXEC sp_OASetProperty @imap, 'SocksPort', 1080
    EXEC sp_OASetProperty @imap, 'SocksUsername', 'myProxyLogin'
    EXEC sp_OASetProperty @imap, 'SocksPassword', 'myProxyPassword'
    -- Set the SOCKS version to 4 or 5 based on the version
    -- of the SOCKS proxy server:
    EXEC sp_OASetProperty @imap, 'SocksVersion', 5
    -- Note: SOCKS4 servers only support usernames without passwords.
    -- SOCKS5 servers support full login/password authentication.

    -- Connect to an IMAP server through the SOCKS proxy.
    -- Use TLS
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.example.com'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Login
    EXEC sp_OAMethod @imap, 'Login', @success OUT, 'myLogin', 'myPassword'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Get the message IDs of all the emails in the mailbox
    -- We can choose to fetch UIDs or sequence numbers.
    DECLARE @fetchUids int
    SELECT @fetchUids = 1
    DECLARE @messageSet int
    EXEC @hr = sp_OACreate 'Chilkat.MessageSet', @messageSet OUT

    EXEC sp_OAMethod @imap, 'QueryMbx', @success OUT, 'ALL', @fetchUids, @messageSet
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        RETURN
      END

    -- Fetch the emails into a bundle object:
    DECLARE @bundle int
    EXEC @hr = sp_OACreate 'Chilkat.EmailBundle', @bundle OUT

    DECLARE @headersOnly int
    SELECT @headersOnly = 0
    EXEC sp_OAMethod @imap, 'FetchMsgSet', @success OUT, @headersOnly, @messageSet, @bundle
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @messageSet
        EXEC @hr = sp_OADestroy @bundle
        RETURN
      END

    -- Loop over the bundle and display the FROM and SUBJECT of each.
    DECLARE @email int
    EXEC @hr = sp_OACreate 'Chilkat.Email', @email OUT

    DECLARE @i int
    SELECT @i = 0
    DECLARE @numEmails int
    EXEC sp_OAGetProperty @bundle, 'MessageCount', @numEmails OUT
    WHILE @i < @numEmails
      BEGIN

        EXEC sp_OAMethod @bundle, 'EmailAt', @success OUT, @i, @email

        EXEC sp_OAGetProperty @email, 'From', @sTmp0 OUT
        PRINT @sTmp0
        EXEC sp_OAGetProperty @email, 'Subject', @sTmp0 OUT
        PRINT @sTmp0

        PRINT '--'
        SELECT @i = @i + 1
      END

    -- Disconnect from the IMAP server.
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT

    EXEC @hr = sp_OADestroy @imap
    EXEC @hr = sp_OADestroy @messageSet
    EXEC @hr = sp_OADestroy @bundle
    EXEC @hr = sp_OADestroy @email


END
GO