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) Streaming Decrypt HTTP Response

If the an encrypted file was previously uploaded, this example demonstrates how to download and decrypt in a streaming way.

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

    DECLARE @rest int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Rest', @rest OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @port int
    SELECT @port = 443
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    DECLARE @success int
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'chilkatdownload.com', @port, @bTls, @bAutoReconnect

    -- Send the request to download a file.
    EXEC sp_OAMethod @rest, 'SendReqNoBody', @success OUT, 'GET', '/9.5.0.83/chilkat-9.5.0-python-3.8-x64.zip'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    -- Read the response header.
    DECLARE @responseStatusCode int
    EXEC sp_OAMethod @rest, 'ReadResponseHeader', @responseStatusCode OUT
    IF @responseStatusCode < 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END


    PRINT 'Response status code = ' + @responseStatusCode

    -- We expect a 200 response status if the JPG data is coming.
    -- Otherwise, we'll get a string response body with an error message(or no response body).
    IF @responseStatusCode <> 200
      BEGIN
        DECLARE @errResponse nvarchar(4000)
        EXEC sp_OAMethod @rest, 'ReadRespBodyString', @errResponse OUT
        EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 <> 1
          BEGIN
            EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
          END
        ELSE
          BEGIN

            PRINT @errResponse
          END
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    -- Create an object for decrypting.
    -- This example will use "none" for the encryption algorithm, which means it's just a pass-through.
    -- Typically you would set the decrypt properties, such as secret key, IV, key length, padding scheme, cipher mode..
    DECLARE @crypt int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Crypt2', @crypt OUT

    EXEC sp_OASetProperty @crypt, 'CryptAlgorithm', 'none'

    -- The following settings are ignored in this test because our CryptAlgorithm is "none".
    -- However, if you were truly decrypting, you might set CryptAlgorithm = "aes".
    EXEC sp_OASetProperty @crypt, 'CipherMode', 'cbc'
    EXEC sp_OASetProperty @crypt, 'KeyLength', 128
    EXEC sp_OAMethod @crypt, 'SetEncodedKey', NULL, '000102030405060708090A0B0C0D0E0F', 'hex'
    EXEC sp_OAMethod @crypt, 'SetEncodedIV', NULL, '000102030405060708090A0B0C0D0E0F', 'hex'

    DECLARE @receiveStream int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Stream', @receiveStream OUT

    -- The decryptStream's source will be the receiveStream.
    DECLARE @decryptStream int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Stream', @decryptStream OUT

    -- The decrypt stream's sink will be a file.
    EXEC sp_OASetProperty @decryptStream, 'SinkFile', 'qa_output/chilkat-9.5.0-python-3.8-x64.zip'
    EXEC sp_OAMethod @decryptStream, 'SetSourceStream', @success OUT, @receiveStream

    -- Create and run a background async task to decrypt incoming data and write to a file.
    DECLARE @decryptStreamTask int
    EXEC sp_OAMethod @crypt, 'DecryptStreamAsync', @decryptStreamTask OUT, @decryptStream
    EXEC sp_OAMethod @decryptStreamTask, 'Run', @success OUT

    EXEC sp_OAMethod @rest, 'ReadRespBodyStream', @success OUT, @receiveStream, 1
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @receiveStream
        EXEC @hr = sp_OADestroy @decryptStream
        RETURN
      END


    PRINT 'Successfully received the .zip file.'

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @crypt
    EXEC @hr = sp_OADestroy @receiveStream
    EXEC @hr = sp_OADestroy @decryptStream


END
GO

 

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