initial example of intelmq connector/enrichtment. Need to change to use the eventDB RESTful API, not the postgresql DB

modules/expansion/intelmq_eventdb.py

@@ -0,0 +1,67 @@
+import json
+import psycopg2
+
+misperrors = {'error': 'Error'}
+mispattributes = {'input': ['hostname', 'domain', 'ip-src', 'ip-dst', 'AS'], 'output': ['freetext']}
+moduleinfo = {'version': '0.1', 'author': 'L. Aaron Kaplan <kaplan@cert.at>', 'description': 'Module to access intelmqs eventdb', 'module-type': ['expansion', 'hover']}
+moduleconfig = ['username', 'password', 'hostname', 'database']
+
+
+def connect(user, password, host, dbname):
+    try:
+        conn = psycopg2.connect(database=dbname,  user=user,  host=host,  password=password)
+    except Exception as e:
+        print("I am unable to connect to the database: %s" %e)
+    return conn
+
+
+def handler(q=False):
+    if q is False:
+        return False
+    request = json.loads(q)
+    #if request.get('hostname'):
+    #    toquery = request['hostname']
+    #elif request.get('domain'):
+    #    toquery = request['domain']
+    if request.get('ip-src'):
+        toquery = request['ip-src']
+    #elif request.get('ip-dst'):
+    #    toquery = request['ip-dst']
+    #elif request.get('AS'):
+    #    toquery = request['AS']
+    else:
+        misperrors['error'] = "Unsupported attributes type"
+        return misperrors
+
+    if (request.get('config')):
+        if (request['config'].get('username') is None) or (request['config'].get('password') is None):
+            misperrors['error'] = 'intelmq eventdb authentication is missing'
+            return misperrors
+
+    conn = connect(request['config']['username'], request['config']['password'], request['config']['hostname'], request['config']['database'])
+    cur = conn.cursor()
+    SQL1 = 'SELECT COUNT(*) from events where "source.ip" = \'%s\'' %(toquery)
+    try:
+        cur.execute(SQL1)
+    except Exception as e:
+        misperrors['error'] = 'can not query database'
+        print(e)
+        return misperrors
+
+    results = cur.fetchone()
+
+    out = ''
+    out = out + "{} ".format(results[0]) + " results found in the DB"
+
+    r = {'results': [{'types': mispattributes['output'], 'values': out}]}
+    conn.close()
+    return r
+
+
+def introspection():
+    return mispattributes
+
+
+def version():
+    moduleinfo['config'] = moduleconfig
+    return moduleinfo