new: [add_gitlab_user] new gitlab user fetch script to MISP object

usage: add_gitlab_user.py [-h] -e EVENT [-f] -u USERNAME [-l LINK]

Fetch GitLab user details and add it in object in MISP

optional arguments:
  -h, --help            show this help message and exit
  -e EVENT, --event EVENT
                        Event ID to update
  -f, --force-template-update
  -u USERNAME, --username USERNAME
                        GitLab username to add
  -l LINK, --link LINK  Url to access the GitLab instance, Default is
                        www.gitlab.com.

examples/add_gitlab_user.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from pymisp import PyMISP
+from pymisp import MISPObject
+from pymisp.tools import update_objects
+from keys import misp_url, misp_key, misp_verifycert
+import argparse
+import requests
+import sys
+
+"""
+usage: add_gitlab_user.py [-h] -e EVENT [-f] -u USERNAME [-l LINK]
+
+Fetch GitLab user details and add it in object in MISP
+
+optional arguments:
+  -h, --help            show this help message and exit
+  -e EVENT, --event EVENT
+                        Event ID to update
+  -f, --force-template-update
+  -u USERNAME, --username USERNAME
+                        GitLab username to add
+  -l LINK, --link LINK  Url to access the GitLab instance, Default is
+                        www.gitlab.com.
+"""
+
+default_url = "http://www.gitlab.com/"
+
+parser = argparse.ArgumentParser(description='Fetch GitLab user details and add it in object in MISP')
+parser.add_argument("-e", "--event", required=True, help="Event ID to update")
+parser.add_argument("-f", "--force-template-update", required=False, action="store_true")
+parser.add_argument("-u", "--username", required=True, help="GitLab username to add")
+parser.add_argument("-l", "--link", required=False, help="Url to access the GitLab instance, Default is www.gitlab.com.", default=default_url)
+args = parser.parse_args()
+
+
+r = requests.get("{}api/v4/users?username={}".format(args.link, args.username))
+if r.status_code != 200:
+    sys.exit("HTTP return is {} and not 200 as expected".format(r.status_code))
+if args.force_template_update:
+    print("Updating MISP Object templates...")
+    update_objects()
+
+gitlab_user = r.json()[0]
+pymisp = PyMISP(misp_url, misp_key, misp_verifycert)
+print(gitlab_user)
+
+misp_object = MISPObject(name="gitlab-user")
+misp_object.add_attribute('username', gitlab_user['username'])
+misp_object.add_attribute('id', gitlab_user['id'])
+misp_object.add_attribute('name', gitlab_user['name'])
+misp_object.add_attribute('state', gitlab_user['state'])
+misp_object.add_attribute('avatar_url', gitlab_user['avatar_url'])
+misp_object.add_attribute('web_url', gitlab_user['web_url'])
+retcode = pymisp.add_object(args.event, misp_object)