-from requests import get
-from hashlib import sha256
+# Fedi API Block - An aggregator for fetching blocking data from fediverse nodes
+# Copyright (C) 2023 Free Software Foundation
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
import sqlite3
import sys
import json
+import time
+import validators
+import fba
-domain = sys.argv[1]
+def fetch_instances(domain: str, origin: str, software: str, path: str = None):
+ # NOISY-DEBUG: print("DEBUG: domain,origin,software,path:", domain, origin, software, path)
+ if not fba.is_instance_registered(domain):
+ # NOISY-DEBUG: print("DEBUG: Adding new domain:", domain, origin)
+ fba.add_instance(domain, origin, sys.argv[0], path)
-headers = {
- "user-agent": "Mozilla/5.0 (Windows NT 10.0; rv:102.0) Gecko/20100101 Firefox/102.0"
-}
+ # NOISY-DEBUG: print("DEBUG: Fetching instances for domain:", domain, software)
+ peerlist = fba.get_peers(domain, software)
+ if (peerlist is None):
+ print("ERROR: Cannot fetch peers:", domain)
+ return
+ elif fba.has_pending_nodeinfos(domain):
+ # NOISY-DEBUG: print(f"DEBUG: domain='{domain}' has pending nodeinfo data, flushing ...")
+ fba.update_nodeinfos(domain)
-def get_hash(domain: str) -> str:
- return sha256(domain.encode("utf-8")).hexdigest()
+ print(f"INFO: Checking {len(peerlist)} instances from {domain} ...")
+ for instance in peerlist:
+ # NOISY-DEBUG: print("DEBUG: BEFORE instance:", instance)
+ instance = fba.tidyup(instance)
+ # NOISY-DEBUG: print("DEBUG: AFTER instance:", instance)
+ if instance == "":
+ print("WARNING: Empty instance after tidyup(), domain:", domain)
+ continue
+ elif not validators.domain(instance.split("/")[0]):
+ print(f"WARNING: Bad instance='{instance}' from domain='{domain}',origin='{origin}',software='{software}'")
+ continue
+ elif fba.is_blacklisted(instance):
+ # NOISY-DEBUG: print("DEBUG: instance is blacklisted:", instance)
+ continue
-def get_peers(domain: str) -> str:
- try:
- res = get(f"https://{domain}/api/v1/instance/peers", headers=headers, timeout=5)
- return res.json()
- except:
- return None
+ # NOISY-DEBUG: print("DEBUG: Handling instance:", instance)
+ try:
+ if not fba.is_instance_registered(instance):
+ # NOISY-DEBUG: print("DEBUG: Adding new instance:", instance, domain)
+ fba.add_instance(instance, domain, sys.argv[0])
+ except BaseException as e:
+ print(f"ERROR: instance='{instance}',exception:'{str(e)}'")
+ continue
-peerlist = get_peers(domain)
+instance = sys.argv[1]
-def get_type(instdomain: str) -> str:
- try:
- res = get(f"https://{instdomain}/nodeinfo/2.1.json", headers=headers, timeout=5)
- if res.status_code == 404:
- res = get(f"https://{instdomain}/nodeinfo/2.0", headers=headers, timeout=5)
- if res.status_code == 404:
- res = get(f"https://{instdomain}/nodeinfo/2.0.json", headers=headers, timeout=5)
- if res.ok and "text/html" in res.headers["content-type"]:
- res = get(f"https://{instdomain}/nodeinfo/2.1", headers=headers, timeout=5)
- if res.ok:
- if res.json()["software"]["name"] == "akkoma":
- return "pleroma"
- else:
- return res.json()["software"]["name"]
- elif res.status_code == 404:
- res = get(f"https://{instdomain}/api/v1/instance", headers=headers, timeout=5)
- if res.ok:
- return "mastodon"
- except:
- return None
+# Initial fetch
+fetch_instances(instance, None, None)
+# Loop through some instances
+fba.cursor.execute(
+ "SELECT domain, origin, software, nodeinfo_url FROM instances WHERE software IN ('pleroma', 'mastodon', 'friendica', 'misskey', 'gotosocial', 'bookwyrm', 'takahe', 'lemmy') AND (last_instance_fetch IS NULL OR last_instance_fetch < ?) ORDER BY rowid DESC", [time.time() - fba.config["recheck_instance"]]
+)
-conn = sqlite3.connect("blocks.db")
-c = conn.cursor()
+rows = fba.cursor.fetchall()
+print(f"INFO: Checking {len(rows)} entries ...")
+for row in rows:
+ # NOISY-DEBUG: print("DEBUG: domain:", row[0])
+ if fba.is_blacklisted(row[0]):
+ print("WARNING: domain is blacklisted:", row[0])
+ continue
-c.execute(
- "select domain from instances where 1"
-)
+ print(f"INFO: Fetching instances for instance '{row[0]}'('{row[2]}') of origin '{row[1]}',nodeinfo_url='{row[3]}'")
+ fetch_instances(row[0], row[1], row[2], row[3])
-for instance in peerlist:
- instance = instance.lower()
- print(instance)
- try:
- c.execute(
- "select domain from instances where domain = ?", (instance,)
- )
- if c.fetchone() == None:
- c.execute(
- "insert into instances select ?, ?, ?",
- (instance, get_hash(instance), get_type(instance)),
- )
- conn.commit()
- except Exception as e:
- print("error:", e, instance)
-conn.close()
+fba.connection.close()