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(VBScript) Xero API through an HTTP ProxyThis example demonstrates connecting through an HTTP proxy w/ 2-legged OAuth for a Xero private application. This example requires Chilkat v9.5.0.64 or later
Dim fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") Set outFile = fso.CreateTextFile("output.txt", True) ' 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. set rest = CreateObject("Chilkat_9_5_0.Rest") ' Connect to the Xero server through an HTTP proxy, and then tell the REST object ' to use the socket connection. set socket = CreateObject("Chilkat_9_5_0.Socket") ' Set the HTTP proxy domain or IP address, and port. socket.HttpProxyHostname = "192.168.1.100" socket.HttpProxyPort = 8088 ' Connect through the HTTP proxy.. bTls = 1 port = 443 maxWaitMs = 5000 success = socket.Connect("api.xero.com",port,bTls,maxWaitMs) If (success <> 1) Then outFile.WriteLine("Connect Failure Error Code: " & socket.ConnectFailReason) outFile.WriteLine(socket.LastErrorText) WScript.Quit End If ' Use the HTTP proxied TLS connection: success = rest.UseConnection(socket,1) If (success <> 1) Then outFile.WriteLine(rest.LastErrorText) WScript.Quit End If ' 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. set pfx = CreateObject("Chilkat_9_5_0.Pfx") success = pfx.LoadPfxFile("qa_data/certs/xero_private_app/public_privatekey.pfx","PFX_PASSWORD") If (success <> 1) Then outFile.WriteLine(pfx.LastErrorText) WScript.Quit End If ' privKeyFromPfx is a Chilkat_9_5_0.PrivateKey Set privKeyFromPfx = pfx.GetPrivateKey(0) If (pfx.LastMethodSuccess <> 1) Then outFile.WriteLine(pfx.LastErrorText) WScript.Quit End If ' Or we can load from a PEM.. set privKeyFromPem = CreateObject("Chilkat_9_5_0.PrivateKey") success = privKeyFromPem.LoadPemFile("qa_data/certs/xero_private_app/privatekey.pem") If (success <> 1) Then outFile.WriteLine(privKeyFromPem.LastErrorText) WScript.Quit End If ' Note: There are many other means for loading a private key, including ' from other formats and directly from memory (i.e. not file-based). set oauth1 = CreateObject("Chilkat_9_5_0.OAuth1") oauth1.ConsumerKey = consumerKey oauth1.ConsumerSecret = consumerSecret oauth1.Token = consumerKey oauth1.TokenSecret = consumerSecret oauth1.SignatureMethod = "RSA-SHA1" success = oauth1.SetRsaKey(privKeyFromPfx) ' Install the OAuth1 authenticator. success = rest.SetAuthOAuth1(oauth1,0) outFile.WriteLine("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. set sbXml = CreateObject("Chilkat_9_5_0.StringBuilder") success = rest.FullRequestNoBodySb("GET","/api.xro/2.0/Contacts",sbXml) If (success <> 1) Then outFile.WriteLine(rest.LastErrorText) WScript.Quit End If ' A 200 response is expected for actual success. If (rest.ResponseStatusCode <> 200) Then outFile.WriteLine(sbXml.GetAsString()) WScript.Quit End If ' Iterate over the contacts.. bAutoTrim = 0 set xml = CreateObject("Chilkat_9_5_0.Xml") success = xml.LoadSb(sbXml,bAutoTrim) success = xml.SaveXml("qa_cache/xero_contacts.xml") ' How many records exist? recordCount = xml.NumChildrenAt("Contacts") outFile.WriteLine("numRecords = " & recordCount) i = 0 Do While i < recordCount xml.I = i outFile.WriteLine("ContactID: " & xml.GetChildContent("Contacts|Contact[i]|ContactID")) i = i + 1 Loop outFile.Close |
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