SQL Server

Using Client Certificate w/ IMAP SSL

Demonstrates how to use a client-side certificate with an IMAP SSL connection. The SetSslClientCert method is called to specify a certificate to be used for the SSL connection. 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 secure SSL connection, set SSL and the port:
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    -- The typical port for IMAP SSL is 993
    EXEC sp_OASetProperty @imap, 'Port', 993

    -- Load a certificate from a PFX file and use it.
    -- Note: Other methods are available to load pre-installed
    -- certificates from registry-based certificate stores.

    -- Create an instance of a certificate store object, load a PFX file,
    -- locate the certificate we need, and use it for signing.
    -- (a PFX file may contain more than one certificate.)
    DECLARE @certStore int
    EXEC @hr = sp_OACreate 'Chilkat.CertStore', @certStore OUT

    -- The 1st argument is the filename, the 2nd arg is the 
    -- PFX file's password:
    EXEC sp_OAMethod @certStore, 'LoadPfxFile', @success OUT, 'myCertWithPrivateKey.pfx', 'secret'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @certStore, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @certStore
        RETURN
      END

    -- Find the certificate by the subject common name:
    DECLARE @jsonCN int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonCN OUT

    EXEC sp_OAMethod @jsonCN, 'UpdateString', @success OUT, 'CN', 'cert common name'

    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT

    EXEC sp_OAMethod @certStore, 'FindCert', @success OUT, @jsonCN, @cert
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @certStore, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- If a PFX file is known to contain a single certificate,
    -- you may load it directly into a Chilkat certificate object.
    -- This snippet of source code shows how:
    DECLARE @cert2 int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert2 OUT

    -- The 1st argument is the filename, the 2nd arg is the 
    -- PFX file's password:
    EXEC sp_OAMethod @cert2, 'LoadPfxFile', @success OUT, 'myClientCert.pfx', 'secret'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cert2
        RETURN
      END

    -- Use the cert:
    EXEC sp_OAMethod @imap, 'SetSslClientCert', @success OUT, @cert

    -- Connect to an IMAP server.
    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
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cert2
        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
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cert2
        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
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cert2
        RETURN
      END

    -- Get the message IDs of all the emails in the mailbox
    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 @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cert2
        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 @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cert2
        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 @certStore
    EXEC @hr = sp_OADestroy @jsonCN
    EXEC @hr = sp_OADestroy @cert
    EXEC @hr = sp_OADestroy @cert2
    EXEC @hr = sp_OADestroy @messageSet
    EXEC @hr = sp_OADestroy @bundle
    EXEC @hr = sp_OADestroy @email


END
GO