(SQL Server) ShippingEasy.com Calculate Signature for API Authentication

Demonstrates how to calculate the shippingeasy.com API signature for authenticating requests.

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

    -- 
    -- First, concatenate these into a plaintext string using the following order:
    -- 
    --     Capitilized method of the request. E.g. "POST"
    --     The URI path
    --     The query parameters sorted alphabetically and concatenated together into a URL friendly format: param1=ABC&param2=XYZ
    --     The request body as a string if one exists
    --     All parts are then concatenated together with an ampersand. The result resembles something like this:
    -- 
    -- "POST&/partners/api/accounts&api_key=f9a7c8ebdfd34beaf260d9b0296c7059&api_timestamp=1401803554&{ ... request body ... }"

    DECLARE @success int

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

    DECLARE @httpVerb nvarchar(4000)
    SELECT @httpVerb = 'POST'
    DECLARE @uriPath nvarchar(4000)
    SELECT @uriPath = '/partners/api/accounts'
    DECLARE @queryParamsStr nvarchar(4000)
    SELECT @queryParamsStr = 'api_key=YOUR_API_KEY&api_timestamp=UNIX_EPOCH_TIMESTAMP'

    -- Build the following JSON that will be the body of the request:

    -- {
    --   "account": {
    --     "first_name": "Coralie",
    --     "last_name": "Waelchi",
    --     "company_name": "Hegmann, Cremin and Bradtke",
    --     "email": "se_greg_6d477b1e59e8ff24abadfb59d3a2de3e@shippingeasy.com",
    --     "phone_number": "1-381-014-3358",
    --     "address": "2476 Flo Inlet",
    --     "address2": "",
    --     "state": "SC",
    --     "city": "North Dennis",
    --     "postal_code": "29805",
    --     "country": "USA",
    --     "password": "abc123",
    --     "subscription_plan_code": "starter"
    --   }
    -- }

    DECLARE @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.first_name', 'Coralie'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.last_name', 'Waelchi'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.company_name', 'Hegmann, Cremin and Bradtke'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.email', 'se_greg_6d477b1e59e8ff24abadfb59d3a2de3e@shippingeasy.com'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.phone_number', '1-381-014-3358'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.address', '2476 Flo Inlet'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.address2', ''
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.state', 'SC'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.city', 'North Dennis'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.postal_code', '29805'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.country', 'USA'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.password', 'abc123'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'account.subscription_plan_code', 'starter'

    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- First, let's get the current date/time in the Unix Epoch Timestamp format (which is just an integer)
    DECLARE @dt int
    -- Use "Chilkat_9_5_0.CkDateTime" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @dt OUT

    EXEC sp_OAMethod @dt, 'SetFromCurrentSystemTime', @success OUT
    -- Get the UTC time.
    DECLARE @bLocalTime int
    SELECT @bLocalTime = 0
    DECLARE @unixEpochTimestamp nvarchar(4000)
    EXEC sp_OAMethod @dt, 'GetAsUnixTimeStr', @unixEpochTimestamp OUT, @bLocalTime

    -- Build the string to sign:
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, @httpVerb
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '&'
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, @uriPath
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '&'
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, @queryParamsStr
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '&'
    -- Make sure to send the JSON body of a request in compact form..
    EXEC sp_OASetProperty @json, 'EmitCompact', 1
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, @sTmp0

    -- Use your API key here:
    DECLARE @your_api_key nvarchar(4000)
    SELECT @your_api_key = 'f9a7c8ebdfd34beaf260d9b0296c7059'

    DECLARE @numReplaced int
    EXEC sp_OAMethod @sbStringToSign, 'Replace', @numReplaced OUT, 'YOUR_API_KEY', @your_api_key
    EXEC sp_OAMethod @sbStringToSign, 'Replace', @numReplaced OUT, 'UNIX_EPOCH_TIMESTAMP', @unixEpochTimestamp

    -- Do the HMAC-SHA256 with your API secret:
    DECLARE @your_api_secret nvarchar(4000)
    SELECT @your_api_secret = 'ea210785fa4656af03c2e4ffcc2e7b5fc19f1fba577d137905cc97e74e1df53d'
    DECLARE @crypt int
    -- Use "Chilkat_9_5_0.Crypt2" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Crypt2', @crypt OUT

    EXEC sp_OASetProperty @crypt, 'MacAlgorithm', 'hmac'
    EXEC sp_OASetProperty @crypt, 'EncodingMode', 'hexlower'
    EXEC sp_OAMethod @crypt, 'SetMacKeyString', @success OUT, @your_api_secret
    EXEC sp_OASetProperty @crypt, 'HashAlgorithm', 'sha256'

    DECLARE @api_signature nvarchar(4000)
    EXEC sp_OAMethod @sbStringToSign, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @crypt, 'MacStringENC', @api_signature OUT, @sTmp0

    PRINT 'api_signature: ' + @api_signature

    -- --------------------------------------------------------------------
    -- Here's an example showing how to use the signature in a request:

    -- Build a new string-to-sign and create a new api_signature for the actual request we'll be sending...
    EXEC sp_OAMethod @sbStringToSign, 'Clear', NULL
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, 'GET'
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '&'
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '/app.shippingeasy.com/api/orders'
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '&'
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, @queryParamsStr
    EXEC sp_OAMethod @sbStringToSign, 'Append', @success OUT, '&'
    -- There is no body for a GET request.

    EXEC sp_OAMethod @sbStringToSign, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @crypt, 'MacStringENC', @api_signature OUT, @sTmp0

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT

    DECLARE @queryParams int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @queryParams OUT

    EXEC sp_OAMethod @queryParams, 'UpdateString', @success OUT, 'api_signature', @api_signature
    EXEC sp_OAMethod @queryParams, 'UpdateString', @success OUT, 'api_timestamp', @unixEpochTimestamp
    EXEC sp_OAMethod @queryParams, 'UpdateString', @success OUT, 'api_key', @your_api_key

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'QuickRequestParams', @resp OUT, 'GET', 'https://app.shippingeasy.com/api/orders', @queryParams
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @sbStringToSign
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @dt
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @queryParams
        RETURN
      END


    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    PRINT 'response status code = ' + @iTmp0

    PRINT 'response body:'
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0

    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @sbStringToSign
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @dt
    EXEC @hr = sp_OADestroy @crypt
    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @queryParams


END
GO