Add deactivate_all_users.py script

purge/deactivate_all_users.py

@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+
+from slackclient import SlackClient
+import requests
+import time
+
+# Taken here : https://api.slack.com/custom-integrations/legacy-tokens
+SLACK_TOKEN = ""
+
+# Available in the HTML source code of https://[team].slack.com/admin
+WEB_SLACK_TOKEN = ""
+
+# Channel containing the members we want to deactivate
+DEST_CHANNEL = "general"
+
+# Team Slack domain
+SLACK_DOMAIN = "opentoallctf.slack.com"
+
+def channel_id_by_name(client, name):
+    """ Fetch channel ID for a given channel name. """
+
+    output = client.api_call("channels.list")
+    channels = output['channels']
+
+    channel_id = ''
+    for channel in channels:
+        if channel['name'] == name:
+            return channel['id']
+
+    return None
+
+def get_all_users(client):
+    """ Fetch all users in the team. Includes deleted/deactivated users. """
+
+    output = client.api_call("users.list")
+    return output['members']
+
+sc = SlackClient(SLACK_TOKEN)
+
+channel_id = channel_id_by_name(sc, DEST_CHANNEL)
+
+if not channel_id:
+    print("[!] No channel ID found for channel '{}'.".format(DEST_CHANNEL))
+
+print("[*] Found channel {} ({}).".format(DEST_CHANNEL, channel_id))
+
+# Get all members
+members = get_all_users(sc)
+members = dict([(member['id'], member) for member in members])
+
+# Get members in channel
+output = sc.api_call("channels.info", channel=channel_id)
+members_in_channel = output['channel']['members']
+
+# Filter out bots and deactivated users.
+members_to_deactivate = []
+for member_id in members_in_channel:
+    is_deactivated = members[member_id]['deleted']
+    is_bot = members[member_id]['is_bot']
+
+    if not is_deactivated and not is_bot:
+        members_to_deactivate.append(member_id)
+
+# Deactivate members.
+# Member deactivation through the slack API is only available for premium teams.
+# We can bypass this restriction by using a different API endpoint.
+# The code below simulates an admin manually deactivating users through the
+# ... web interface.
+print("[*] Deactivating {} members.".format(len(members_to_deactivate)))
+deactivate_url = "https://{}/api/users.admin.setInactive".format(SLACK_DOMAIN)
+for member_id in members_to_deactivate:
+
+    username = members[member_id]['profile']['display_name']
+    data = { "user" : member_id, "token": WEB_SLACK_TOKEN }
+    headers = { "Content-Type" : "application/x-www-form-urlencoded" }
+    response = requests.post(deactivate_url, data=data, headers=headers)
+
+    print("[*] Kicking {} : {}".format(repr(username), member_id))
+    print(response.text)
+
+    # Prevent Slack's rate limiting
+    time.sleep(1)