Chilkat Examples

ChilkatHOME.NET Core C#Android™AutoItCC#C++Chilkat2-PythonCkPythonClassic ASPDataFlexDelphi ActiveXDelphi DLLGoJavaLianjaMono C#Node.jsObjective-CPHP ActiveXPHP ExtensionPerlPowerBuilderPowerShellPureBasicRubySQL ServerSwift 2Swift 3,4,5...TclUnicode CUnicode C++VB.NETVBScriptVisual Basic 6.0Visual FoxProXojo Plugin

SQL Server Examples

Web API Categories

ASN.1
AWS KMS
AWS Misc
Amazon EC2
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Key Vault
Azure Service Bus
Azure Table Service
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Code Signing
Compression
DKIM / DomainKey
DNS
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
EBICS
ECC
Ed25519
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
GMail SMTP/IMAP/POP
Geolocation
Google APIs
Google Calendar
Google Cloud SQL
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text
HTTP

HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
MS Storage Providers
Microsoft Graph
Misc
NTLM
OAuth1
OAuth2
OIDC
Office365
OneDrive
OpenSSL
Outlook
Outlook Calendar
Outlook Contact
PDF Signatures
PEM
PFX/P12
PKCS11
POP3
PRNG
REST
REST Misc
RSA
SCP
SCard
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
ScMinidriver
SharePoint
SharePoint Online
Signing in the Cloud
Socket/SSL/TLS
Spider
Stream
Tar Archive
ULID/UUID
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(SQL Server) IMAP Use Existing SSH Tunnel

Demonstrates how to connect to an IMAP server using an existing SSH tunnel. This creates a new channel within the SSH tunnel, which can be a TCP or TLS connection, and is connected to a remote IMAP server through port forwarding.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

// Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
//
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    -- Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    -- by calling UnlockBundle.  It requires a Bundle unlock code.
    DECLARE @chilkatGlob int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Global', @chilkatGlob OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @chilkatGlob, 'UnlockBundle', @success OUT, 'Anything for 30-day trial.'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @chilkatGlob, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        RETURN
      END

    DECLARE @tunnel int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Socket', @tunnel OUT

    DECLARE @success int

    DECLARE @sshHostname nvarchar(4000)
    SELECT @sshHostname = 'sftp.example.com'
    DECLARE @sshPort int
    SELECT @sshPort = 22

    -- Connect to an SSH server and establish the SSH tunnel:
    EXEC sp_OAMethod @tunnel, 'SshOpenTunnel', @success OUT, @sshHostname, @sshPort
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @tunnel, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        RETURN
      END

    -- Authenticate with the SSH server via a login/password
    -- or with a public key.  
    -- This example demonstrates SSH password authentication.
    -- Note: This is not authenticating with the IMAP server, it is
    -- for authenticating with the SSH server, which is separate.
    EXEC sp_OAMethod @tunnel, 'SshAuthenticatePw', @success OUT, 'mySshLogin', 'mySshPassword'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @tunnel, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        RETURN
      END

    -- OK, the SSH tunnel is setup.  Now open a channel within the tunnel.
    -- Once the channel is obtained, the Socket API may
    -- be used exactly the same as usual, except all communications
    -- are sent through the channel in the SSH tunnel.
    -- Any number of channels may be created from the same SSH tunnel.
    -- Multiple channels may coexist at the same time.

    DECLARE @imap int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Imap', @imap OUT

    -- Let the IMAP object also use the SSH tunnel
    EXEC sp_OAMethod @imap, 'UseSshTunnel', @success OUT, @tunnel
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Connect to an IMAP server via the already established SSH tunnel.
    -- Because the SSH tunnel has been previously setup,
    -- this does not establish a direct connection with the IMAP
    -- server.  It directs the SSH server to establish the connection.

    -- In this example, the IMAP server requires SSL/TLS.  The TLS connection
    -- will be enclosed within the SSH tunnel.
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.my-imap-server.com'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Authenticate with the IMAP server via the SSH tunnel.
    EXEC sp_OAMethod @imap, 'Login', @success OUT, 'myLogin', 'myPassword'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- How many messages in Inbox?
    DECLARE @msgCount int
    EXEC sp_OAGetProperty @imap, 'NumMessages', @msgCount OUT
    IF @msgCount = 0
      BEGIN

        PRINT 'No messages found.'
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    DECLARE @upperBound int
    SELECT @upperBound = 10
    IF @msgCount < @upperBound
      BEGIN
        SELECT @upperBound = @msgCount
      END

    -- Download up to the 1st 10 messages.
    DECLARE @i int

    DECLARE @bUid int
    SELECT @bUid = 0
    SELECT @i = 1
    WHILE @i <= @upperBound
      BEGIN

        DECLARE @email int
        EXEC sp_OAMethod @imap, 'FetchSingle', @email OUT, @i, @bUid
        EXEC sp_OAGetProperty @imap, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 = 0
          BEGIN
            EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @chilkatGlob
            EXEC @hr = sp_OADestroy @tunnel
            EXEC @hr = sp_OADestroy @imap
            RETURN

          END
        ELSE
          BEGIN
            EXEC sp_OAGetProperty @email, 'From', @sTmp0 OUT
            PRINT @sTmp0
            EXEC sp_OAGetProperty @email, 'Subject', @sTmp0 OUT
            PRINT @sTmp0

            PRINT '----'

            EXEC @hr = sp_OADestroy @email

          END
        SELECT @i = @i + 1
      END

    -- Disconnect from the IMAP server.
    -- The SSH tunnel remains open.
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- It is possible to re-use the existing SSH tunnel for the next connection:
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.my-imap-server2.com'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Review the LastErrorText to see that the connection was made via the SSH tunnel:
    EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
    PRINT @sTmp0

    -- This closes the SSH channel, which is the connection with the IMAP server.
    -- It does not close the SSH tunnel
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Finally, close the SSH tunnel.

    -- Note: If other objects are using the same SSH tunnel, the tunnel is not 
    -- actually closed.  It is only closed when the last object using the tunnel closes it.

    -- At this point, both the imap and tunnel objects have references to the internal
    -- SSH tunnel.  We need to close each.

    -- This call doesn't actually close the tunnel yet, because the tunnel object still
    -- holds an internal reference.
    EXEC sp_OAMethod @imap, 'SshCloseTunnel', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- This actually closes the SSH tunnel because it's the last object using it.
    EXEC sp_OAMethod @tunnel, 'SshCloseTunnel', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @tunnel, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        EXEC @hr = sp_OADestroy @tunnel
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    PRINT 'IMAP pre-existing SSH tunnel example completed.'

    EXEC @hr = sp_OADestroy @chilkatGlob
    EXEC @hr = sp_OADestroy @tunnel
    EXEC @hr = sp_OADestroy @imap


END
GO

 

© 2000-2024 Chilkat Software, Inc. All Rights Reserved.