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(CkPython) Xero API through an SOCKS ProxyThis example demonstrates connecting through a SOCKS proxy w/ 2-legged OAuth for a Xero private application. This example requires Chilkat v9.5.0.64 or later
import sys import chilkat # This example requires Chilkat v9.5.0.64 or later # This sample code would typically be placed in a subroutine or function # where the rest object is passed by reference. # It does the OAuth1 setup and makes the initial connection. rest = chilkat.CkRest() # Connect to the Xero server through an HTTP proxy, and then tell the REST object # to use the socket connection. socket = chilkat.CkSocket() # Set the SOCKS proxy domain or IP address, port, and SOCKS version number (4 or 5) socket.put_SocksHostname("192.168.1.100") socket.put_SocksPort(1080) socket.put_SocksVersion(5) # Other properties exist for specifying a SOCKS proxy login and password, # but these are not used in this example. # Connect through the SOCKS proxy.. bTls = True port = 443 maxWaitMs = 5000 success = socket.Connect("api.xero.com",port,bTls,maxWaitMs) if (success != True): print("Connect Failure Error Code: " + str(socket.get_ConnectFailReason())) print(socket.lastErrorText()) sys.exit() # Use the SOCKS proxied TLS connection: success = rest.UseConnection(socket,True) if (success != True): print(rest.lastErrorText()) sys.exit() # OK, we're connected. # The UseConnection method has an internal reference to the underlying/internal socket. # The application can does not need to keep its socket object in existence. # ----------------------------------------------------------------- # Now setup the OAuth1 authenticator.. consumerKey = "XERO_PRIVATE_APP_KEY" consumerSecret = "XERO_PRIVATE_APP_SECRET" # Let's get our private key from our PFX (password protected), or the PEM (unprotected). # You can decide which to use. Either is OK, although I would recommend keeping your # private keys in a PFX and not in an unprotected PEM. pfx = chilkat.CkPfx() success = pfx.LoadPfxFile("qa_data/certs/xero_private_app/public_privatekey.pfx","PFX_PASSWORD") if (success != True): print(pfx.lastErrorText()) sys.exit() # privKeyFromPfx is a CkPrivateKey privKeyFromPfx = pfx.GetPrivateKey(0) if (pfx.get_LastMethodSuccess() != True): print(pfx.lastErrorText()) sys.exit() # Or we can load from a PEM.. privKeyFromPem = chilkat.CkPrivateKey() success = privKeyFromPem.LoadPemFile("qa_data/certs/xero_private_app/privatekey.pem") if (success != True): print(privKeyFromPem.lastErrorText()) sys.exit() # Note: There are many other means for loading a private key, including # from other formats and directly from memory (i.e. not file-based). oauth1 = chilkat.CkOAuth1() oauth1.put_ConsumerKey(consumerKey) oauth1.put_ConsumerSecret(consumerSecret) oauth1.put_Token(consumerKey) oauth1.put_TokenSecret(consumerSecret) oauth1.put_SignatureMethod("RSA-SHA1") oauth1.SetRsaKey(privKeyFromPfx) # Install the OAuth1 authenticator. rest.SetAuthOAuth1(oauth1,False) print("OK, the Xero OAuth1 is initialized and the REST object is ready to make REST API calls..") # ----------------------------------------------------------------- # Make a call to verify that OAuth1 through an HTTP proxy works.. # Get the full list of contacts. sbXml = chilkat.CkStringBuilder() success = rest.FullRequestNoBodySb("GET","/api.xro/2.0/Contacts",sbXml) if (success != True): print(rest.lastErrorText()) sys.exit() # A 200 response is expected for actual success. if (rest.get_ResponseStatusCode() != 200): print(sbXml.getAsString()) sys.exit() # Iterate over the contacts.. bAutoTrim = False xml = chilkat.CkXml() xml.LoadSb(sbXml,bAutoTrim) xml.SaveXml("qa_cache/xero_contacts.xml") # How many records exist? recordCount = xml.NumChildrenAt("Contacts") print("numRecords = " + str(recordCount)) i = 0 while i < recordCount : xml.put_I(i) print("ContactID: " + xml.getChildContent("Contacts|Contact[i]|ContactID")) i = i + 1 |
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