Firma di autenticazione
La sicurezza API di Marketo utilizza un modello semplice ma altamente sicuro, basato sulle firme HMAC-SHA1 con messaggi trasmessi tramite HTTPS. Un vantaggio chiave di questo modello è che fornisce l’autenticazione senza stato.
Le firme HMAC-SHA1 richiedono quanto segue:
- Un ID utente (detto anche chiave di accesso) che viene trasmesso con la richiesta di servizio
- Firma calcolata utilizzando una chiave segreta condivisa e il contenuto del messaggio e trasmessa con la richiesta di servizio
- Una chiave segreta condivisa (detta anche chiave di crittografia) che non viene trasmessa con la richiesta del servizio
Il programma client calcola la firma HMAC-SHA1 utilizzando la chiave segreta condivisa e parte del contenuto del messaggio di richiesta. Il client deve includere un'intestazione SOAP, AuthenticationHeaderInfo, per passare le informazioni di autenticazione con il messaggio di SOAP.
Lo pseudo codice seguente illustra l’algoritmo:
// Request timestamp: a timestamp string in W3C WSDL date format
stringToEncrypt = requestTimestamp + clientAccessID;
signatureBytes = Encryter.encrypt('SHA1', secretKey, stringToEncrypt);
signature = toLowerCase( hexEncode(signatureBytes) );
authHeader = "<ns1:AuthenticationHeader>" +
"<mktowsUserId>" + clientAccessID + "</mktowsUserId>" +
"<requestSignature>" + signature + "</requestSignature>" +
"<requestTimestamp>" + requestTimestamp + "</requestTimestamp>"
"</ns1:AuthenticationHeader>";
Intestazione richiesta
Nome campo
Obbligatorio/facoltativo
Descrizione
mktowsUserIdObbligatorio
L’ID di accesso client di Marketo si trova nel pannello API di Marketo admin SOAP in Integrazione.
requestSignatureObbligatorio
Firma HMAC-SHA1 basata sulla chiave segreta condivisa,
requestTimestamp, e sull'ID utente di MarketorequestTimestampObbligatorio
Timestamp della richiesta (formato data WSDL W3C, es. "2013-06-09T14:04:54-08:00")
XML richiesta - getLeadActivity
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:mkt="http://www.marketo.com/mktows/">
<soapenv:Header>
<mkt:AuthenticationHeader>
<mktowsUserId>mktodemoaccount881_536240405411DF5316D5C9</mktowsUserId>
<requestSignature>3f4b21eb586063dc65774a2733713cac342e9c81</requestSignature>
<requestTimestamp>2017-03-09T17:40:00-08:00</requestTimestamp>
</mkt:AuthenticationHeader>
</soapenv:Header>
<soapenv:Body>
<mkt:paramsGetLeadActivity>
<leadKey>
<keyType>IDNUM</keyType>
<keyValue>318815</keyValue>
</leadKey>
<activityFilter>
<includeTypes>
<activityType>NewLead</activityType>
</includeTypes>
</activityFilter>
</mkt:paramsGetLeadActivity>
</soapenv:Body>
</soapenv:Envelope>
XML risposta - Completato
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns1="http://www.marketo.com/mktows/">
<SOAP-ENV:Body>
<ns1:successGetLeadActivity>
<leadActivityList>
<returnCount>1</returnCount>
<remainingCount>0</remainingCount>
<newStartPosition>
<latestCreatedAt xsi:nil="true"/>
<oldestCreatedAt xsi:nil="true"/>
<activityCreatedAt xsi:nil="true"/>
<offset>1</offset>
</newStartPosition>
<activityRecordList>
<activityRecord>
<id>12025714</id>
<activityDateTime>2015-09-04T16:07:16-05:00</activityDateTime>
<activityType>New Lead</activityType>
<mktgAssetName/>
<activityAttributes>
<attribute>
<attrName>Source Type</attrName>
<attrType xsi:nil="true"/>
<attrValue>Web service API</attrValue>
</attribute>
<attribute>
<attrName>Source Info</attrName>
<attrType xsi:nil="true"/>
<attrValue>Web service API</attrValue>
</attribute>
<attribute>
<attrName>Created Date</attrName>
<attrType xsi:nil="true"/>
<attrValue>2015-09-04</attrValue>
</attribute>
<attribute>
<attrName>Lead ID</attrName>
<attrType xsi:nil="true"/>
<attrValue>318815</attrValue>
</attribute>
</activityAttributes>
<campaign/>
<personName xsi:nil="true"/>
<mktPersonId>318815</mktPersonId>
<foreignSysId xsi:nil="true"/>
<orgName xsi:nil="true"/>
<foreignSysOrgId xsi:nil="true"/>
</activityRecord>
</activityRecordList>
</leadActivityList>
</ns1:successGetLeadActivity>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope
XML risposta - Errore (credenziali non valide)
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Body>
<SOAP-ENV:Fault>
<faultcode>SOAP-ENV:Client</faultcode>
<faultstring>20014 - Authentication failed</faultstring>
<detail>
<ns1:serviceException xmlns:ns1="http://www.marketo.com/mktows/">
<name>mktServiceException</name>
<message>Authentication failed (20014)</message>
<code>20014</code>
</ns1:serviceException>
</detail>
</SOAP-ENV:Fault>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
Codice di esempio - PHP
<?php
$marketoSoapEndPoint = ""; // CHANGE ME
$marketoUserId = ""; // CHANGE ME
$marketoSecretKey = ""; // CHANGE ME
$marketoNameSpace = "http://www.marketo.com/mktows/";
// Create Signature
$dtzObj = new DateTimeZone("America/Los_Angeles");
$dtObj = new DateTime('now', $dtzObj);
$timeStamp = $dtObj->format(DATE_W3C);
$encryptString = $timeStamp . $marketoUserId;
$signature = hash_hmac('sha1', $encryptString, $marketoSecretKey);
// Create SOAP Header
$attrs = new stdClass();
$attrs->mktowsUserId = $marketoUserId;
$attrs->requestSignature = $signature;
$attrs->requestTimestamp = $timeStamp;
$authHdr = new SoapHeader($marketoNameSpace, 'AuthenticationHeader', $attrs);
print_r($authHdr)
?>
Codice di esempio - Java
import com.marketo.mktows.*;
import java.net.URL;
import javax.xml.namespace.QName;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Hex;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
public class AuthenticationHeader {
public static void main(String[] args) {
try {
URL marketoSoapEndPoint = new URL("CHANGE ME" + "?WSDL");
String marketoUserId = "CHANGE ME";
String marketoSecretKey = "CHANGE ME";
QName serviceName = new QName("http://www.marketo.com/mktows/", "MktMktowsApiService");
MktMktowsApiService service = new MktMktowsApiService(marketoSoapEndPoint, serviceName);
MktowsPort port = service.getMktowsApiSoapPort();
// Create Signature
DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
String text = df.format(new Date());
String requestTimestamp = text.substring(0, 22) + ":" + text.substring(22);
String encryptString = requestTimestamp + marketoUserId ;
SecretKeySpec secretKey = new SecretKeySpec(marketoSecretKey.getBytes(), "HmacSHA1");
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(secretKey);
byte[] rawHmac = mac.doFinal(encryptString.getBytes());
char[] hexChars = Hex.encodeHex(rawHmac);
String signature = new String(hexChars);
// Set Authentication Header
AuthenticationHeader header = new AuthenticationHeader();
header.setMktowsUserId(marketoUserId);
header.setRequestTimestamp(requestTimestamp);
header.setRequestSignature(signature);
JAXBContext context = JAXBContext.newInstance(AuthenticationHeader.class);
Marshaller m = context.createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
m.marshal(header, System.out);
}
catch(Exception e) {
e.printStackTrace();
}
}
}
Codice di esempio - Rubino
require 'savon' # Use version 2.0 Savon gem
require 'date'
mktowsUserId = "" # CHANGE ME
marketoSecretKey = "" # CHANGE ME
marketoSoapEndPoint = "" # CHANGE ME
marketoNameSpace = "http://www.marketo.com/mktows/"
#Create Signature
Timestamp = DateTime.now
requestTimestamp = Timestamp.to_s
encryptString = requestTimestamp + mktowsUserId
digest = OpenSSL::Digest.new('sha1')
hashedsignature = OpenSSL::HMAC.hexdigest(digest, marketoSecretKey, encryptString)
requestSignature = hashedsignature.to_s
#Create SOAP Header
headers = {
'ns1:AuthenticationHeader' => { "mktowsUserId" => mktowsUserId, "requestSignature" => requestSignature,
"requestTimestamp" => requestTimestamp
}
}
client = Savon.client(wsdl: 'http://app.marketo.com/soap/mktows/2_3?WSDL', soap_header: headers, endpoint: marketoSoapEndPoint, open_timeout: 90, read_timeout: 90, namespace_identifier: :ns1, env_namespace: 'SOAP-ENV')
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