(Chilkat2-Python) Global Payments Card Authorization

Demonstrates how to send a card payments authorization request.

For more information, see https://developer.globalpay.com/#!/api/card-payments#api-authorisation

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

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

http = chilkat2.Http()

# if you don't have a Client ID yet you can still quickly test some basic request types using the following URL and credentials:

# Test URL - https://test.realexpayments.com/epage-remote.cgi
# Client ID: realexsandbox
# Shared Secret: Po8lRRT67a
testUrl = "https://test.realexpayments.com/epage-remote.cgi"
clientID = "realexsandbox"
sharedSecret = "Po8lRRT67a"

amount = "1001"
currency = "EUR"
cardNumber = "4263970000005262"

# We'll be sending the following XML in the body of the request:

# <?xml version="1.0" encoding="UTF-8"?>
# <request type="auth" timestamp="20180613141207">
#   <merchantid>MerchantId</merchantid>
#   <account>internet</account>
#   <channel>ECOM</channel>
#   <orderid>N6qsk4kYRZihmPrTXWYS6g</orderid>
#   <amount currency="EUR">1001</amount>
#   <card>
#     <number>4263970000005262</number>
#     <expdate>0425</expdate>
#     <chname>James Mason</chname>
#     <type>VISA</type>
#     <cvn>
#       <number>123</number>
#       <presind>1</presind>
#     </cvn>
#   </card>
#   <autosettle flag="1"/>
#   <sha1hash>87707637a34ba651b6185718c863abc64b673f20</sha1hash>
# </request>

# Use this online tool to generate code from sample XML: 
# Generate Code to Create XML

# Get the current date/time in this format:  20180613141207
dt = chilkat2.CkDateTime()
dt.SetFromCurrentSystemTime()
dtStr = dt.GetAsIso8601("YYYYMMDDhhmmss",True)

# Generate a unique order ID
prng = chilkat2.Prng()
orderId = prng.GenRandom(32,"base64url")

# Compute the sha1hash
crypt = chilkat2.Crypt2()
crypt.HashAlgorithm = "sha1"
crypt.EncodingMode = "hexlower"

sbA = chilkat2.StringBuilder()
sbA.Append("timestamp.merchantid.orderid.amount.currency.cardnumber")
numReplaced = sbA.Replace("timestamp",dtStr)
numReplaced = sbA.Replace("merchantid",clientID)
numReplaced = sbA.Replace("orderid",orderId)
numReplaced = sbA.Replace("amount",amount)
numReplaced = sbA.Replace("currency",currency)
numReplaced = sbA.Replace("cardnumber",cardNumber)

hashA = crypt.HashStringENC(sbA.GetAsString())

sbB = chilkat2.StringBuilder()
sbB.Append(hashA)
sbB.Append(".")
sbB.Append(sharedSecret)

hashB = crypt.HashStringENC(sbB.GetAsString())

xml = chilkat2.Xml()
xml.Tag = "request"
xml.AddAttribute("type","auth")
xml.AddAttribute("timestamp",dtStr)
xml.UpdateChildContent("merchantid",clientID)
xml.UpdateChildContent("account","internet")
xml.UpdateChildContent("channel","ECOM")
xml.UpdateChildContent("orderid",orderId)
xml.UpdateAttrAt("amount",True,"currency",currency)
xml.UpdateChildContent("amount",amount)
xml.UpdateChildContent("card|number",cardNumber)
xml.UpdateChildContent("card|expdate","0425")
xml.UpdateChildContent("card|chname","James Mason")
xml.UpdateChildContent("card|type","VISA")
xml.UpdateChildContent("card|cvn|number","123")
xml.UpdateChildContent("card|cvn|presind","1")
xml.UpdateAttrAt("autosettle",True,"flag","1")
xml.UpdateChildContent("sha1hash",hashB)

# resp is a CkHttpResponse
resp = http.PostXml(testUrl,xml.GetXml(),"utf-8")
if (http.LastMethodSuccess == False):
    print(http.LastErrorText)
    sys.exit()

print("Response Status Code: " + str(resp.StatusCode))

print("Response Body:")
print(resp.BodyStr)

if (resp.StatusCode != 200):
    print("Failed.")
    sys.exit()

# A status code of 200 indicates we received an XML response, but it could be an error message.
# Here's an example of an error response:

# <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
# <response timestamp="20200418142356">
#     <orderid>N6qsk4kYRZihmPrTXWYS6g</orderid>
#     <result>508</result>
#     <message>Invalid timestamp: '{' Value exceeds allowable limit: '}'</message>
# </response>

# We need to check the "result" within the XML.
xml.LoadXml(resp.BodyStr)

result = xml.GetChildIntValue("result")
print("result = " + str(result))

# A successful result looks like this:

# <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
# <response timestamp="20200418145519">
#     <merchantid>realexsandbox</merchantid>
#     <account>internet</account>
#     <orderid>Cw93I1nFWVZuaATh46qMUCBlCcfrOvLo65C2cq5X-AY</orderid>
#     <result>00</result>
#     <authcode>L3pHww</authcode>
#     <message>AUTH CODE: L3pHww</message>
#     <pasref>96838535689610806</pasref>
#     <cvnresult>M</cvnresult>
#     <timetaken>87</timetaken>
#     <authtimetaken>67</authtimetaken>
#     <batchid>6322506</batchid>
#     <sha1hash>2fd2f15f97f1775779fe9bda536dc8317a4b39f6</sha1hash>
# </response>

if (result == 0):
    print("authcode = " + xml.GetChildContent("authcode"))
    print("Success.")

else:
    print("Failed.")