From: Roland Häder <roland@mxchange.org>
Date: Tue, 23 May 2023 06:18:51 +0000 (+0200)
Subject: Continued:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=e7dbafd550c9011fde24e3f390447266e80dd0c6;p=fba.git

Continued:
- added detection_mode and nodeinfo_url to table 'instances'
- described arrays
---

diff --git a/blocks_empty.db b/blocks_empty.db
index 0832008..dea0936 100644
Binary files a/blocks_empty.db and b/blocks_empty.db differ
diff --git a/fba.py b/fba.py
index dc29ffd..32a0d23 100644
--- a/fba.py
+++ b/fba.py
@@ -11,27 +11,47 @@ import time
 with open("config.json") as f:
     config = json.loads(f.read())
 
+# Don't check these, known trolls/flooders/testing/developing
 blacklist = [
+    # Floods network with fake nodes as "research" project
     "activitypub-troll.cf",
+    # Similar troll
     "gab.best",
+    # Similar troll
     "4chan.icu",
+    # Flooder (?)
     "social.shrimpcam.pw",
+    # Flooder (?)
     "mastotroll.netz.org",
+    # Testing/developing installations
     "ngrok.io",
 ]
 
+# Array with pending errors needed to be written to database
 pending_errors = {
 }
 
-nodeinfos = [
+# "rel" identifiers (no real URLs)
+nodeinfo_identifier = [
     "http://nodeinfo.diaspora.software/ns/schema/2.1",
     "http://nodeinfo.diaspora.software/ns/schema/2.0",
     "http://nodeinfo.diaspora.software/ns/schema/1.1",
     "http://nodeinfo.diaspora.software/ns/schema/1.0",
 ]
 
+# HTTP headers for requests
 headers = {
-    "user-agent": config["useragent"]
+    "user-agent": config["useragent"],
+}
+
+# Found info from node, such as nodeinfo URL, detection mode that needs to be
+# written to database. Both arrays must be filled at the same time or else
+# update_nodeinfo() will fail
+nodeinfos = {
+    # Detection mode: AUTO_DISCOVERY or STATIC_CHECKS
+    "detection_mode": {},
+    # Found nodeinfo URL
+    "nodeinfo_url": {},
 }
 
 connection = sqlite3.connect("blocks.db")
@@ -64,6 +84,30 @@ def update_last_blocked(domain: str):
         print("ERROR: failed SQL query:", domain, e)
         sys.exit(255)
 
+def update_nodeinfos(domain: str):
+    #print("DEBUG: Updating nodeinfo for domain:", domain)
+    if domain not in nodeinfos["detection_mode"] or domain not in nodeinfos["nodeinfo_url"]:
+        print(f"WARNING: domain {domain} has no pending nodeinfo!")
+        raise
+
+    try:
+        cursor.execute("UPDATE instances SET detection_mode = ?, nodeinfo_url = ? WHERE domain = ? LIMIT 1", [
+            nodeinfos["detection_mode"][domain],
+            nodeinfos["nodeinfo_url"][domain],
+            domain
+        ])
+
+        if cursor.rowcount == 0:
+            print("WARNING: Did not update any rows:", domain)
+
+    except BaseException as e:
+        print("ERROR: failed SQL query:", domain, e)
+        sys.exit(255)
+
+    # NOISY-DEBUG: print("DEBUG: Deleting nodeinfos for domain:", domain)
+    del nodeinfos["detection_mode"][domain]
+    del nodeinfos["nodeinfo_url"][domain]
+
 def update_last_error(domain: str, res: any):
     # NOISY-DEBUG: print("DEBUG: domain,res.status_code:", domain, res.status_code, res.reason)
     try:
@@ -93,6 +137,9 @@ def update_last_error(domain: str, res: any):
         print("ERROR: failed SQL query:", domain, e)
         sys.exit(255)
 
+    # NOISY-DEBUG: print("DEBUG: Deleting pending_errors for domain:", domain)
+    del pending_errors[domain]
+
 def update_last_nodeinfo(domain: str):
     # NOISY-DEBUG: print("DEBUG: Updating last_nodeinfo for domain:", domain)
     try:
@@ -181,6 +228,8 @@ def fetch_nodeinfo(domain: str) -> list:
             if res.ok and res.json() is not None:
                 # NOISY-DEBUG: print("DEBUG: Success:", request)
                 json = res.json()
+                nodeinfos["detection_mode"][domain] = "STATIC_CHECK"
+                nodeinfos["nodeinfo_url"][domain] = request
                 break
             elif not res.ok or res.status_code >= 400:
                 print("WARNING: Failed fetching nodeinfo from domain:", domain)
@@ -213,13 +262,15 @@ def fetch_wellknown_nodeinfo(domain: str) -> list:
                 # NOISY-DEBUG: print("DEBUG: Found links in nodeinfo():", len(nodeinfo["links"]))
                 for link in nodeinfo["links"]:
                     # NOISY-DEBUG: print("DEBUG: rel,href:", link["rel"], link["href"])
-                    if link["rel"] in nodeinfos:
+                    if link["rel"] in nodeinfo_identifier:
                         # NOISY-DEBUG: print("DEBUG: Fetching nodeinfo from:", link["href"])
                         res = reqto.get(link["href"])
                         # NOISY-DEBUG: print("DEBUG: href,res.ok,res.status_code:", link["href"], res.ok, res.status_code)
                         if res.ok and res.json() is not None:
                             # NOISY-DEBUG: print("DEBUG: Found JSON nodeinfo():", len(res.json()))
                             json = res.json()
+                            nodeinfos["detection_mode"][domain] = "AUTO_DISCOVERY"
+                            nodeinfos["nodeinfo_url"][domain] = link["href"]
                             break
                     else:
                         print("WARNING: Unknown 'rel' value:", domain, link["rel"])
@@ -381,8 +432,12 @@ def add_instance(domain: str, origin: str, originator: str):
             ),
         )
 
+        if domain in nodeinfos["nodeinfo_url"]:
+            # NOISY-DEBUG print("DEBUG: domain has pending nodeinfo being updated:", domain)
+            update_nodeinfos(domain)
+
         if domain in pending_errors:
-            # NOISY-DEBUG: print("DEBUG: domain has pending error be updated:", domain)
+            # NOISY-DEBUG: print("DEBUG: domain has pending error being updated:", domain)
             update_last_error(domain, pending_errors[domain])
             del pending_errors[domain]