Add first blood webhook

pyproject.toml

@@ -30,6 +30,7 @@ coverage = {extras = ["toml"], version = "^5.5"}
 Twisted = "20.3.0"
 channels-redis = "^3.2.0"
 django-clacks = "^0.2.0"
+requests = "^2.26.0"
 
 [tool.poetry.dev-dependencies]
 ipython = "^7.19.0"

src/backend/settings/__init__.py

@@ -84,6 +84,7 @@
     "hide_scoreboard_at": -1,
     "setup_wizard_complete": False,
     "sensitive_fields": ["sensitive_fields", "enable_force_admin_2fa"],
+    "firstblood_webhook": "",
 }
 
 INSTALLED_APPS = [

src/challenge/views.py

@@ -1,7 +1,10 @@
 import hashlib
+import os
 import time
+from contextlib import suppress
 from typing import Union
 
+import requests
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.core.cache import caches
@@ -289,6 +292,27 @@ def post(self, request):
             if challenge.first_blood is None:
                 challenge.first_blood = user
                 challenge.save()
+                hook = config.get("firstblood_webhook")
+                if hook and hook != "":
+                    challenge_clean = challenge.name.replace("`", "").replace("@", "@\u200b")
+                    team_clean = team.name.replace("`", "").replace("@", "@\u200b")
+                    if "discord.com" in hook and not hook.endswith("/slack"):
+                        hook = hook + "/slack"
+                    challenge_clean = challenge_clean.replace("@", "@\u200b")
+                    team_clean = team_clean.replace("@", "@\u200b")
+                    body = {
+                        "username": "First Bloods",
+                        "text": "First blood!",
+                        "attachments": [
+                            {
+                                "text": f"Team {team_clean} has taken first blood on {challenge_clean}",
+                                "color": "#ff0000",
+                            }
+                        ],
+                    }
+
+                    with suppress(requests.exceptions.RequestException):
+                        requests.post(hook, json=body)
 
             user.save()
             team.save()