(SQL Server) Adding Cookies to an HTTP Request

Demonstrates how to add one or more cookies to an HTTP request.

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
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- The Cookie header field has this format:
    -- Cookie: name1=value1 [; name2=value2] ...

    -- Build an HTTP POST request:
    DECLARE @req int
    -- Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    EXEC sp_OAMethod @req, 'SetFromUrl', NULL, 'http://www.chilkatsoft.com/echoPost.asp'
    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'

    EXEC sp_OAMethod @req, 'AddParam', NULL, 'param1', 'value1'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'param2', 'value2'

    -- To add cookies to any HTTP request sent by a Chilkat HTTP method
    -- that uses an HTTP request object, add the cookies to the
    -- request object by calling AddHeader.  

    -- Add two cookies:
    EXEC sp_OAMethod @req, 'AddHeader', NULL, 'Cookie', 'user="mary"; city="Chicago"'

    -- Send the HTTP POST.  
    -- (The cookies are sent as part of the HTTP header.)

    DECLARE @resp int

    DECLARE @domain nvarchar(4000)
    SELECT @domain = 'www.chilkatsoft.com'
    DECLARE @port int
    SELECT @port = 80
    DECLARE @ssl int
    SELECT @ssl = 0
    EXEC sp_OAMethod @http, 'SynchronousRequest', @resp OUT, @domain, @port, @ssl, @req
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        RETURN
      END

    -- Display the HTML body of the response.
    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    IF @iTmp0 = 200
      BEGIN
        -- Show the last HTTP request header sent, which should include
        -- our cookies...
        EXEC sp_OAGetProperty @http, 'LastHeader', @sTmp0 OUT
        PRINT @sTmp0
      END
    ELSE
      BEGIN

        EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
        PRINT 'HTTP Response Status = ' + @iTmp0
      END

    EXEC @hr = sp_OADestroy @resp


    PRINT '---------------------'

    -- Some Chilkat HTTP methods do not use an HTTP request object. 
    -- For these methods, such as for QuickGetStr, cookies (or any HTTP request header) 
    -- are added by calling SetRequestHeader.  
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Cookie', 'user="mary"; city="Chicago"'

    DECLARE @html nvarchar(4000)
    EXEC sp_OAMethod @http, 'QuickGetStr', @html OUT, 'http://www.w3.org/'
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END
    ELSE
      BEGIN
        -- Show the last HTTP request header sent, which should include
        -- our cookies...
        EXEC sp_OAGetProperty @http, 'LastHeader', @sTmp0 OUT
        PRINT @sTmp0
      END

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req


END
GO