fix: false positive and reddit validation logic to use json api

user_scanner/user_scan/social/reddit.py

@@ -1,18 +1,31 @@
+import json
 from user_scanner.core.orchestrator import generic_validate
 from user_scanner.core.result import Result
 
-
 def validate_reddit(user):
-    url = f"https://www.reddit.com/user/{user}/"
+    url = f"https://www.reddit.com/user/{user}/about.json"
     show_url = f"https://www.reddit.com/user/{user}/"
 
     def process(response):
+        if response.status_code == 404:
+            return Result.available()
+
+        if response.status_code == 429:
+            return Result.error("Rate limit exceeded")
+
         if response.status_code == 200:
-            if "Sorry, nobody on Reddit goes by that name." in response.text:
-                return Result.available()
-            else:
-                return Result.taken()
-        else:
-            return Result.error()
-
-    return generic_validate(url, process, show_url=show_url, follow_redirects=True)
+            try:
+                data = response.json()
+
+                if data.get("error") == 404 or data.get("message") == "Not Found":
+                    return Result.available()
+
+                if data.get("kind") == "t2" or "data" in data:
+                    return Result.taken()
+
+            except (json.JSONDecodeError, KeyError):
+                return Result.error("Malformed JSON response, report it on Github")
+
+        return Result.error(f"HTTP {response.status_code}")
+
+    return generic_validate(url, process, show_url=show_url)