added source functionality

lemur/plugins/lemur_entrust/plugin.py

@@ -313,6 +313,15 @@ class EntrustSourcePlugin(SourcePlugin):
 
     author = "sirferl"
     author_url = "https://github.com/sirferl/lemur"
+    options = [
+        {
+            "name": "dummy",
+            "type": "str",
+            "required": False,
+            "validation": "/^[0-9]{12,12}$/",
+            "helpMessage": "Just to prevent error",
+        }
+    ]
 
     def __init__(self, *args, **kwargs):
         """Initialize the issuer with the appropriate details."""
@@ -340,8 +349,53 @@ class EntrustSourcePlugin(SourcePlugin):
         super(EntrustSourcePlugin, self).__init__(*args, **kwargs)
 
     def get_certificates(self, options, **kwargs):
-        # Not needed for ENTRUST
+        """ Fetch all Entrust certificates """
-        raise NotImplementedError("Not implemented\n", self, options, **kwargs)
+        base_url = current_app.config.get("ENTRUST_URL")
+        host = base_url.replace('/enterprise/v2','')
+
+        get_url = f"{base_url}/certificates"
+        certs =[]
+        offset = 0
+        while True: 
+            response = self.session.get(get_url, 
+                 params={
+                     "status": "ACTIVE", 
+                     "isThirdParty": "false",
+                     "fields": "uri,dn", 
+                     "offset": offset
+                 }
+            )
+            try:
+                data = json.loads(response.content)
+            except ValueError:
+                # catch an empty jason object here
+                data = {'response': 'No detailed message'}
+            status_code = response.status_code
+            if status_code > 399:
+                raise Exception(f"ENTRUST error: {msg.get(status_code, status_code)}\n{data['errors']}")
+            # current_app.logger.info(f"recevied: {data['summary']}")
+            for c in data["certificates"]:
+                download_url = "{0}{1}".format(
+                    host, c["uri"]
+                )
+                cert_response = self.session.get(download_url)
+                certificate = json.loads(cert_response.content)
+                # current_app.logger.info(f"Result: {certificate}")
+                # normalize serial
+                serial = str(int(certificate["serialNumber"], 16))
+                cert = {
+                    "body": certificate["endEntityCert"],
+                    "serial": serial,
+                    "external_id": str(certificate["trackingId"]),
+                }
+                certs.append(cert)
+            if data["summary"]["limit"] * offset >= data["summary"]["total"]:
+                break
+            else: 
+                offset += 1
+        current_app.logger.info(f"Result: {certs}")
+        return certs
+        
 
     def get_endpoints(self, options, **kwargs):
         # There are no endpoints in ENTRUST