1 # Fedi API Block - An aggregator for fetching blocking data from fediverse nodes
2 # Copyright (C) 2023 Free Software Foundation
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU Affero General Public License as published
6 # by the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU Affero General Public License for more details.
14 # You should have received a copy of the GNU Affero General Public License
15 # along with this program. If not, see <https://www.gnu.org/licenses/>.
27 with open("config.json") as f:
28 config = json.loads(f.read())
30 # Don't check these, known trolls/flooders/testing/developing
32 # Floods network with fake nodes as "research" project
33 "activitypub-troll.cf",
39 "social.shrimpcam.pw",
41 "mastotroll.netz.org",
42 # Testing/developing installations
45 "misskeytest.chn.moe",
48 # Array with pending errors needed to be written to database
52 # "rel" identifiers (no real URLs)
53 nodeinfo_identifier = [
54 "https://nodeinfo.diaspora.software/ns/schema/2.1",
55 "https://nodeinfo.diaspora.software/ns/schema/2.0",
56 "https://nodeinfo.diaspora.software/ns/schema/1.1",
57 "https://nodeinfo.diaspora.software/ns/schema/1.0",
58 "http://nodeinfo.diaspora.software/ns/schema/2.1",
59 "http://nodeinfo.diaspora.software/ns/schema/2.0",
60 "http://nodeinfo.diaspora.software/ns/schema/1.1",
61 "http://nodeinfo.diaspora.software/ns/schema/1.0",
64 # HTTP headers for non-API requests
66 "User-Agent": config["useragent"],
68 # HTTP headers for API requests
70 "User-Agent": config["useragent"],
71 "Content-Type": "application/json",
74 # Found info from node, such as nodeinfo URL, detection mode that needs to be
75 # written to database. Both arrays must be filled at the same time or else
76 # update_nodeinfos() will fail
78 # Detection mode: 'AUTO_DISCOVERY', 'STATIC_CHECKS' or 'GENERATOR'
79 # NULL means all detection methods have failed (maybe still reachable instance)
87 "Silenced instances" : "Silenced servers",
88 "Suspended instances" : "Suspended servers",
89 "Limited instances" : "Limited servers",
90 # Mappuing German -> English
91 "Gesperrte Server" : "Suspended servers",
92 "Gefilterte Medien" : "Filtered media",
93 "Stummgeschaltete Server" : "Silenced servers",
95 "停止済みのサーバー" : "Suspended servers",
96 "制限中のサーバー" : "Limited servers",
97 "メディアを拒否しているサーバー": "Filtered media",
98 "サイレンス済みのサーバー" : "Silenced servers",
100 "שרתים מושעים" : "Suspended servers",
101 "מדיה מסוננת" : "Filtered media",
102 "שרתים מוגבלים" : "Silenced servers",
104 "Serveurs suspendus" : "Suspended servers",
105 "Médias filtrés" : "Filtered media",
106 "Serveurs limités" : "Limited servers",
107 "Serveurs modérés" : "Limited servers",
110 # URL for fetching peers
111 get_peers_url = "/api/v1/instance/peers"
113 # Cache for redundant SQL queries
116 # Connect to database
117 connection = sqlite3.connect("blocks.db")
118 cursor = connection.cursor()
120 # Pattern instance for version numbers
122 # semantic version number (with v|V) prefix)
123 re.compile("^(?P<version>v|V{0,1})(\.{0,1})(?P<major>0|[1-9]\d*)\.(?P<minor>0+|[1-9]\d*)(\.(?P<patch>0+|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)?$"),
124 # non-sematic, e.g. 1.2.3.4
125 re.compile("^(?P<version>v|V{0,1})(\.{0,1})(?P<major>0|[1-9]\d*)\.(?P<minor>0+|[1-9]\d*)(\.(?P<patch>0+|[1-9]\d*)(\.(?P<subpatch>0|[1-9]\d*))?)$"),
126 # non-sematic, e.g. 2023-05[-dev]
127 re.compile("^(?P<year>[1-9]{1}[0-9]{3})\.(?P<month>[0-9]{2})(-dev){0,1}$"),
128 # non-semantic, e.g. abcdef0
129 re.compile("^[a-f0-9]{7}$"),
134 def is_cache_initialized(key: str) -> bool:
137 def set_all_cache_key(key: str, rows: list, value: any):
138 # DEBUG: print(f"DEBUG: key='{key}',rows()={len(rows)},value[]={type(value)} - CALLED!")
139 if not is_cache_initialized(key):
140 # DEBUG: print(f"DEBUG: Cache for key='{key}' not initialized.")
144 # DEBUG: print(f"DEBUG: Setting key='{key}',sub[{type(sub)}]='{sub}'")
146 if isinstance(sub, tuple):
147 cache[key][sub[0]] = value
149 print(f"WARNING: Unsupported type row[]='{type(row)}'")
151 # DEBUG: print("DEBUG: EXIT!")
153 def set_cache_key(key: str, sub: str, value: any):
154 if not is_cache_initialized(key):
155 print(f"WARNING: Bad method call, key='{key}' is not initialized yet.")
156 raise Exception(f"Cache for key='{key}' is not initialized, but function called")
158 cache[key][sub] = value
160 def is_cache_key_set(key: str, sub: str) -> bool:
161 if not is_cache_initialized(key):
162 print(f"WARNING: Bad method call, key='{key}' is not initialized yet.")
163 raise Exception(f"Cache for key='{key}' is not initialized, but function called")
165 return sub in cache[key]
167 def add_peers(rows: dict) -> list:
168 # DEBUG: print(f"DEBUG: rows()={len(rows)} - CALLED!")
170 for element in ["linked", "allowed", "blocked"]:
171 # DEBUG: print(f"DEBUG: Checking element='{element}'")
172 if element in rows and rows[element] != None:
173 # DEBUG: print(f"DEBUG: Adding {len(rows[element])} peer(s) to peers list ...")
174 for peer in rows[element]:
175 # DEBUG: print(f"DEBUG: peer='{peer}' - BEFORE!")
178 # DEBUG: print(f"DEBUG: peer='{peer}' - AFTER!")
179 if is_blacklisted(peer):
180 # DEBUG: print(f"DEBUG: peer='{peer}' is blacklisted, skipped!")
183 # DEBUG: print(f"DEBUG: Adding peer='{peer}' ...")
186 # DEBUG: print(f"DEBUG: peers()={len(peers)} - EXIT!")
189 def remove_version(software: str) -> str:
190 # DEBUG: print(f"DEBUG: software='{software}' - CALLED!")
191 if not "." in software and " " not in software:
192 print(f"WARNING: software='{software}' does not contain a version number.")
197 temp = software.split(";")[0]
198 elif "," in software:
199 temp = software.split(",")[0]
200 elif " - " in software:
201 temp = software.split(" - ")[0]
203 # DEBUG: print(f"DEBUG: software='{software}'")
206 version = temp.split(" ")[-1]
207 elif "/" in software:
208 version = temp.split("/")[-1]
209 elif "-" in software:
210 version = temp.split("-")[-1]
212 # DEBUG: print(f"DEBUG: Was not able to find common seperator, returning untouched software='{software}'")
217 # DEBUG: print(f"DEBUG: Checking {len(patterns)} patterns ...")
218 for pattern in patterns:
220 match = pattern.match(version)
222 # DEBUG: print(f"DEBUG: match[]={type(match)}")
223 if type(match) is re.Match:
226 # DEBUG: print(f"DEBUG: version[{type(version)}]='{version}',match='{match}'")
227 if type(match) is not re.Match:
228 print(f"WARNING: version='{version}' does not match regex, leaving software='{software}' untouched.")
231 # DEBUG: print(f"DEBUG: Found valid version number: '{version}', removing it ...")
232 end = len(temp) - len(version) - 1
234 # DEBUG: print(f"DEBUG: end[{type(end)}]={end}")
235 software = temp[0:end].strip()
236 if " version" in software:
237 # DEBUG: print(f"DEBUG: software='{software}' contains word ' version'")
238 software = strip_until(software, " version")
240 # DEBUG: print(f"DEBUG: software='{software}' - EXIT!")
243 def strip_powered_by(software: str) -> str:
244 # DEBUG: print(f"DEBUG: software='{software}' - CALLED!")
246 print(f"ERROR: Bad method call, 'software' is empty")
247 raise Exception("Parameter 'software' is empty")
248 elif not "powered by" in software:
249 print(f"WARNING: Cannot find 'powered by' in '{software}'!")
252 start = software.find("powered by ")
253 # DEBUG: print(f"DEBUG: start[{type(start)}]='{start}'")
255 software = software[start + 11:].strip()
256 # DEBUG: print(f"DEBUG: software='{software}'")
258 software = strip_until(software, " - ")
260 # DEBUG: print(f"DEBUG: software='{software}' - EXIT!")
263 def strip_until(software: str, until: str) -> str:
264 # DEBUG: print(f"DEBUG: software='{software}',until='{until}' - CALLED!")
266 print(f"ERROR: Bad method call, 'software' is empty")
267 raise Exception("Parameter 'software' is empty")
269 print(f"ERROR: Bad method call, 'until' is empty")
270 raise Exception("Parameter 'until' is empty")
271 elif not until in software:
272 print(f"WARNING: Cannot find 'powered by' in '{software}'!")
275 # Next, strip until part
276 end = software.find(until)
278 # DEBUG: print(f"DEBUG: end[{type(end)}]='{end}'")
280 software = software[0:end].strip()
282 # DEBUG: print(f"DEBUG: software='{software}' - EXIT!")
285 def is_blacklisted(domain: str) -> bool:
287 for peer in blacklist:
293 def remove_pending_error(domain: str):
295 # Prevent updating any pending errors, nodeinfo was found
296 del pending_errors[domain]
301 def get_hash(domain: str) -> str:
302 return hashlib.sha256(domain.encode("utf-8")).hexdigest()
304 def update_last_blocked(domain: str):
305 # DEBUG: print("DEBUG: Updating last_blocked for domain", domain)
307 cursor.execute("UPDATE instances SET last_blocked = ?, last_updated = ? WHERE domain = ? LIMIT 1", [
313 if cursor.rowcount == 0:
314 print("WARNING: Did not update any rows:", domain)
316 except BaseException as e:
317 print(f"ERROR: failed SQL query: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
320 # DEBUG: print("DEBUG: EXIT!")
322 def has_pending_nodeinfos(domain: str) -> bool:
323 # DEBUG: print(f"DEBUG: domain='{domain}' - CALLED!")
325 for key in nodeinfos:
326 # DEBUG: print(f"DEBUG: key='{key}',domain='{domain}',nodeinfos[key]='{nodeinfos[key]}'")
327 if domain in nodeinfos[key]:
331 # DEBUG: print(f"DEBUG: has_pending='{has_pending}' - EXIT!")
334 def update_nodeinfos(domain: str):
335 # DEBUG: print("DEBUG: Updating nodeinfo for domain:", domain)
338 for key in nodeinfos:
339 # DEBUG: print("DEBUG: key:", key)
340 if domain in nodeinfos[key]:
341 # DEBUG: print(f"DEBUG: Adding '{nodeinfos[key][domain]}' for key='{key}' ...")
342 fields.append(nodeinfos[key][domain])
343 sql_string += f" {key} = ?,"
345 fields.append(domain)
346 # DEBUG: print(f"DEBUG: sql_string='{sql_string}',fields()={len(fields)}")
348 sql = "UPDATE instances SET" + sql_string + " last_status_code = NULL, last_error_details = NULL WHERE domain = ? LIMIT 1"
349 # DEBUG: print("DEBUG: sql:", sql)
352 # DEBUG: print("DEBUG: Executing SQL:", sql)
353 cursor.execute(sql, fields)
354 # DEBUG: print(f"DEBUG: Success! (rowcount={cursor.rowcount })")
356 if cursor.rowcount == 0:
357 print("WARNING: Did not update any rows:", domain)
359 except BaseException as e:
360 print(f"ERROR: failed SQL query: domain='{domain}',sql='{sql}',exception[{type(e)}]:'{str(e)}'")
363 # DEBUG: print("DEBUG: Deleting nodeinfos for domain:", domain)
364 for key in nodeinfos:
366 # DEBUG: print("DEBUG: Deleting key:", key)
367 del nodeinfos[key][domain]
371 # DEBUG: print("DEBUG: EXIT!")
373 def update_last_error(domain: str, res: any):
374 # DEBUG: print("DEBUG: domain,res[]:", domain, type(res))
376 # DEBUG: print("DEBUG: BEFORE res[]:", type(res))
377 if isinstance(res, BaseException) or isinstance(res, json.JSONDecodeError):
380 # DEBUG: print("DEBUG: AFTER res[]:", type(res))
382 # DEBUG: print(f"DEBUG: Setting last_error_details='{res}'");
383 cursor.execute("UPDATE instances SET last_status_code = 999, last_error_details = ?, last_updated = ? WHERE domain = ? LIMIT 1", [
389 # DEBUG: print(f"DEBUG: Setting last_error_details='{res.reason}'");
390 cursor.execute("UPDATE instances SET last_status_code = ?, last_error_details = ?, last_updated = ? WHERE domain = ? LIMIT 1", [
397 if cursor.rowcount == 0:
398 # DEBUG: print("DEBUG: Did not update any rows:", domain)
399 pending_errors[domain] = res
401 except BaseException as e:
402 print(f"ERROR: failed SQL query: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
405 # DEBUG: print("DEBUG: EXIT!")
407 def update_last_instance_fetch(domain: str):
408 #print("DEBUG: Updating last_instance_fetch for domain:", domain)
410 cursor.execute("UPDATE instances SET last_instance_fetch = ?, last_updated = ? WHERE domain = ? LIMIT 1", [
416 if cursor.rowcount == 0:
417 print("WARNING: Did not update any rows:", domain)
419 except BaseException as e:
420 print(f"ERROR: failed SQL query: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
424 #print("DEBUG: EXIT!")
426 def update_last_nodeinfo(domain: str):
427 # DEBUG: print("DEBUG: Updating last_nodeinfo for domain:", domain)
429 cursor.execute("UPDATE instances SET last_nodeinfo = ?, last_updated = ? WHERE domain = ? LIMIT 1", [
435 if cursor.rowcount == 0:
436 print("WARNING: Did not update any rows:", domain)
438 except BaseException as e:
439 print(f"ERROR: failed SQL query: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
443 # DEBUG: print("DEBUG: EXIT!")
445 def get_peers(domain: str, software: str) -> list:
446 # DEBUG: print(f"DEBUG: domain='{domain}',software='{software}' - CALLED!")
449 if software == "misskey":
450 # DEBUG: print(f"DEBUG: domain='{domain}' is misskey, sending API POST request ...")
452 step = config["misskey_offset"]
454 # iterating through all "suspended" (follow-only in its terminology)
455 # instances page-by-page, since that troonware doesn't support
456 # sending them all at once
458 # DEBUG: print(f"DEBUG: Fetching offset='{offset}' from '{domain}' ...")
460 fetched = post_json_api(domain, "/api/federation/instances", json.dumps({
464 }), {"Origin": domain})
466 fetched = post_json_api(domain, "/api/federation/instances", json.dumps({
471 }), {"Origin": domain})
473 # DEBUG: print("DEBUG: fetched():", len(fetched))
474 if len(fetched) == 0:
475 # DEBUG: print("DEBUG: Returned zero bytes, exiting loop:", domain)
477 elif len(fetched) != config["misskey_offset"]:
478 # DEBUG: print(f"DEBUG: Fetched '{len(fetched)}' row(s) but expected: '{config['misskey_offset']}'")
479 offset = offset + (config["misskey_offset"] - len(fetched))
481 # DEBUG: print("DEBUG: Raising offset by step:", step)
482 offset = offset + step
485 # DEBUG: print(f"DEBUG: fetched({len(fetched)})[]={type(fetched)}")
486 if isinstance(fetched, dict) and "error" in fetched and "message" in fetched["error"]:
487 print(f"WARNING: post_json_api() returned error: {fetched['error']['message']}")
488 update_last_error(domain, fetched["error"]["message"])
491 # DEBUG: print(f"DEBUG: row():{len(row)}")
492 if not "host" in row:
493 print(f"WARNING: row()={len(row)} does not contain element 'host': {row},domain='{domain}'")
495 elif is_blacklisted(row["host"]):
496 # DEBUG: print(f"DEBUG: row[host]='{row['host']}' is blacklisted. domain='{domain}'")
499 # DEBUG: print(f"DEBUG: Adding peer: '{row['host']}'")
500 peers.append(row["host"])
502 update_last_instance_fetch(domain)
504 # DEBUG: print("DEBUG: Returning peers[]:", type(peers))
506 elif software == "lemmy":
507 # DEBUG: print(f"DEBUG: domain='{domain}' is Lemmy, fetching JSON ...")
509 res = reqto.get(f"https://{domain}/api/v3/site", headers=api_headers, timeout=(config["connection_timeout"], config["read_timeout"]))
512 # DEBUG: print(f"DEBUG: res.ok={res.ok},res.status_code='{res.status_code}',data[]='{type(data)}'")
513 if not res.ok or res.status_code >= 400:
514 print("WARNING: Could not reach any JSON API:", domain)
515 update_last_error(domain, res)
516 elif res.ok and isinstance(data, list):
517 # DEBUG: print(f"DEBUG: domain='{domain}' returned a list: '{data}'")
519 elif "federated_instances" in data:
520 # DEBUG: print(f"DEBUG: Found federated_instances for domain='{domain}'")
521 peers = peers + add_peers(data["federated_instances"])
522 # DEBUG: print("DEBUG: Added instance(s) to peers")
524 print("WARNING: JSON response does not contain 'federated_instances':", domain)
525 update_last_error(domain, res)
527 except BaseException as e:
528 print(f"WARNING: Exception during fetching JSON: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
530 update_last_instance_fetch(domain)
532 # DEBUG: print("DEBUG: Returning peers[]:", type(peers))
534 elif software == "peertube":
535 # DEBUG: print(f"DEBUG: domain='{domain}' is a PeerTube, fetching JSON ...")
538 for mode in ["followers", "following"]:
539 # DEBUG: print(f"DEBUG: domain='{domain}',mode='{mode}'")
542 res = reqto.get(f"https://{domain}/api/v1/server/{mode}?start={start}&count=100", headers=api_headers, timeout=(config["connection_timeout"], config["read_timeout"]))
545 # DEBUG: print(f"DEBUG: res.ok={res.ok},res.status_code='{res.status_code}',data[]='{type(data)}'")
546 if res.ok and isinstance(data, dict):
547 # DEBUG: print("DEBUG: Success, data:", len(data))
549 # DEBUG: print(f"DEBUG: Found {len(data['data'])} record(s).")
550 for record in data["data"]:
551 # DEBUG: print(f"DEBUG: record()={len(record)}")
552 if mode in record and "host" in record[mode]:
553 # DEBUG: print(f"DEBUG: Found host={record[mode]['host']}, adding ...")
554 peers.append(record[mode]["host"])
556 print(f"WARNING: record from '{domain}' has no '{mode}' or 'host' record: {record}")
558 if len(data["data"]) < 100:
559 # DEBUG: print("DEBUG: Reached end of JSON response:", domain)
562 # Continue with next row
565 except BaseException as e:
566 print(f"WARNING: Exception during fetching JSON: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
568 update_last_instance_fetch(domain)
570 # DEBUG: print("DEBUG: Returning peers[]:", type(peers))
573 # DEBUG: print(f"DEBUG: Fetching get_peers_url='{get_peers_url}' from '{domain}' ...")
575 res = reqto.get(f"https://{domain}{get_peers_url}", headers=api_headers, timeout=(config["connection_timeout"], config["read_timeout"]))
578 # DEBUG: print(f"DEBUG: res.ok={res.ok},res.status_code={res.status_code},data[]='{type(data)}'")
579 if not res.ok or res.status_code >= 400:
580 # DEBUG: print(f"DEBUG: Was not able to fetch '{get_peers_url}', trying alternative ...")
581 res = reqto.get(f"https://{domain}/api/v3/site", headers=api_headers, timeout=(config["connection_timeout"], config["read_timeout"]))
584 # DEBUG: print(f"DEBUG: res.ok={res.ok},res.status_code={res.status_code},data[]='{type(data)}'")
585 if not res.ok or res.status_code >= 400:
586 print("WARNING: Could not reach any JSON API:", domain)
587 update_last_error(domain, res)
588 elif res.ok and isinstance(data, list):
589 print(f"DEBUG: domain='{domain}' returned a list: '{data}'")
591 elif "federated_instances" in data:
592 # DEBUG: print(f"DEBUG: Found federated_instances for domain='{domain}'")
593 peers = peers + add_peers(data["federated_instances"])
594 # DEBUG: print("DEBUG: Added instance(s) to peers")
596 print("WARNING: JSON response does not contain 'federated_instances':", domain)
597 update_last_error(domain, res)
599 # DEBUG: print("DEBUG: Querying API was successful:", domain, len(data))
602 except BaseException as e:
603 print("WARNING: Some error during get():", domain, e)
604 update_last_error(domain, e)
606 update_last_instance_fetch(domain)
608 # DEBUG: print("DEBUG: Returning peers[]:", type(peers))
611 def post_json_api(domain: str, path: str, parameter: str, extra_headers: dict = {}) -> dict:
612 # DEBUG: print("DEBUG: Sending POST to domain,path,parameter:", domain, path, parameter, extra_headers)
615 res = reqto.post(f"https://{domain}{path}", data=parameter, headers={**api_headers, **extra_headers}, timeout=(config["connection_timeout"], config["read_timeout"]))
618 # DEBUG: print(f"DEBUG: res.ok={res.ok},res.status_code={res.status_code},data[]='{type(data)}'")
619 if not res.ok or res.status_code >= 400:
620 print(f"WARNING: Cannot query JSON API: domain='{domain}',path='{path}',parameter()={len(parameter)},res.status_code='{res.status_code}',data[]='{type(data)}'")
621 update_last_error(domain, res)
623 update_last_nodeinfo(domain)
625 except BaseException as e:
626 print(f"WARNING: Some error during post(): domain='{domain}',path='{path}',parameter()={len(parameter)},exception[{type(e)}]:'{str(e)}'")
628 # DEBUG: print(f"DEBUG: Returning data({len(data)})=[]:{type(data)}")
631 def fetch_nodeinfo(domain: str, path: str = None) -> list:
632 # DEBUG: print("DEBUG: Fetching nodeinfo from domain,path:", domain, path)
634 nodeinfo = fetch_wellknown_nodeinfo(domain)
635 # DEBUG: print("DEBUG: nodeinfo:", len(nodeinfo))
637 if len(nodeinfo) > 0:
638 # DEBUG: print("DEBUG: Returning auto-discovered nodeinfo:", len(nodeinfo))
642 f"https://{domain}/nodeinfo/2.1.json",
643 f"https://{domain}/nodeinfo/2.1",
644 f"https://{domain}/nodeinfo/2.0.json",
645 f"https://{domain}/nodeinfo/2.0",
646 f"https://{domain}/nodeinfo/1.0",
647 f"https://{domain}/api/v1/instance"
651 for request in requests:
652 if path != None and path != "" and request != path:
653 print(f"DEBUG: path='{path}' does not match request='{request}' - SKIPPED!")
657 # DEBUG: print("DEBUG: Fetching request:", request)
658 res = reqto.get(request, headers=api_headers, timeout=(config["connection_timeout"], config["read_timeout"]))
661 # DEBUG: print(f"DEBUG: res.ok={res.ok},res.status_code={res.status_code},data[]='{type(data)}'")
662 if res.ok and isinstance(data, dict):
663 # DEBUG: print("DEBUG: Success:", request)
664 nodeinfos["detection_mode"][domain] = "STATIC_CHECK"
665 nodeinfos["nodeinfo_url"][domain] = request
667 elif res.ok and isinstance(data, list):
668 # DEBUG: print(f"DEBUG: domain='{domain}' returned a list: '{data}'")
670 elif not res.ok or res.status_code >= 400:
671 print("WARNING: Failed fetching nodeinfo from domain:", domain)
672 update_last_error(domain, res)
675 except BaseException as e:
676 # DEBUG: print("DEBUG: Cannot fetch API request:", request)
677 update_last_error(domain, e)
680 # DEBUG: print("DEBUG: Returning data[]:", type(data))
683 def fetch_wellknown_nodeinfo(domain: str) -> list:
684 # DEBUG: print("DEBUG: Fetching .well-known info for domain:", domain)
688 res = reqto.get(f"https://{domain}/.well-known/nodeinfo", headers=api_headers, timeout=(config["connection_timeout"], config["read_timeout"]))
691 # DEBUG: print("DEBUG: domain,res.ok,data[]:", domain, res.ok, type(data))
692 if res.ok and isinstance(data, dict):
694 # DEBUG: print("DEBUG: Found entries:", len(nodeinfo), domain)
695 if "links" in nodeinfo:
696 # DEBUG: print("DEBUG: Found links in nodeinfo():", len(nodeinfo["links"]))
697 for link in nodeinfo["links"]:
698 # DEBUG: print("DEBUG: rel,href:", link["rel"], link["href"])
699 if link["rel"] in nodeinfo_identifier:
700 # DEBUG: print("DEBUG: Fetching nodeinfo from:", link["href"])
701 res = reqto.get(link["href"])
704 # DEBUG: print("DEBUG: href,res.ok,res.status_code:", link["href"], res.ok, res.status_code)
705 if res.ok and isinstance(data, dict):
706 # DEBUG: print("DEBUG: Found JSON nodeinfo():", len(data))
707 nodeinfos["detection_mode"][domain] = "AUTO_DISCOVERY"
708 nodeinfos["nodeinfo_url"][domain] = link["href"]
711 print("WARNING: Unknown 'rel' value:", domain, link["rel"])
713 print("WARNING: nodeinfo does not contain 'links':", domain)
715 except BaseException as e:
716 print("WARNING: Failed fetching .well-known info:", domain)
717 update_last_error(domain, e)
720 # DEBUG: print("DEBUG: Returning data[]:", type(data))
723 def fetch_generator_from_path(domain: str, path: str = "/") -> str:
724 # DEBUG: print(f"DEBUG: domain='{domain}',path='{path}' - CALLED!")
728 # DEBUG: print(f"DEBUG: Fetching path='{path}' from '{domain}' ...")
729 res = reqto.get(f"https://{domain}{path}", headers=headers, timeout=(config["connection_timeout"], config["read_timeout"]))
731 # DEBUG: print("DEBUG: domain,res.ok,res.status_code,res.text[]:", domain, res.ok, res.status_code, type(res.text))
732 if res.ok and res.status_code < 300 and len(res.text) > 0:
733 # DEBUG: print("DEBUG: Search for <meta name='generator'>:", domain)
734 doc = bs4.BeautifulSoup(res.text, "html.parser")
736 # DEBUG: print("DEBUG: doc[]:", type(doc))
737 tag = doc.find("meta", {"name": "generator"})
739 # DEBUG: print(f"DEBUG: tag[{type(tag)}: {tag}")
740 if isinstance(tag, bs4.element.Tag):
741 # DEBUG: print("DEBUG: Found generator meta tag: ", domain)
742 software = tidyup(tag.get("content"))
743 print(f"INFO: domain='{domain}' is generated by '{software}'")
744 nodeinfos["detection_mode"][domain] = "GENERATOR"
745 remove_pending_error(domain)
747 except BaseException as e:
748 # DEBUG: print(f"DEBUG: Cannot fetch / from '{domain}':", e)
749 update_last_error(domain, e)
752 # DEBUG: print(f"DEBUG: software[]={type(software)}")
753 if type(software) is str and software == "":
754 # DEBUG: print(f"DEBUG: Corrected empty string to None for software of domain='{domain}'")
756 elif type(software) is str and ("." in software or " " in software):
757 # DEBUG: print(f"DEBUG: software='{software}' may contain a version number, domain='{domain}', removing it ...")
758 software = remove_version(software)
760 # DEBUG: print(f"DEBUG: software[]={type(software)}")
761 if type(software) is str and "powered by" in software:
762 # DEBUG: print(f"DEBUG: software='{software}' has 'powered by' in it")
763 software = remove_version(strip_powered_by(software))
764 elif type(software) is str and " by " in software:
765 # DEBUG: print(f"DEBUG: software='{software}' has ' by ' in it")
766 software = strip_until(software, " by ")
767 elif type(software) is str and " see " in software:
768 # DEBUG: print(f"DEBUG: software='{software}' has ' see ' in it")
769 software = strip_until(software, " see ")
771 # DEBUG: print(f"DEBUG: software='{software}' - EXIT!")
774 def determine_software(domain: str, path: str = None) -> str:
775 # DEBUG: print("DEBUG: Determining software for domain,path:", domain, path)
778 # DEBUG: print(f"DEBUG: Fetching nodeinfo from '{domain}' ...")
779 data = fetch_nodeinfo(domain, path)
781 # DEBUG: print("DEBUG: data[]:", type(data))
782 if not isinstance(data, dict) or len(data) == 0:
783 # DEBUG: print("DEBUG: Could not determine software type:", domain)
784 return fetch_generator_from_path(domain)
786 # DEBUG: print("DEBUG: data():", len(data), data)
787 if "status" in data and data["status"] == "error" and "message" in data:
788 print("WARNING: JSON response is an error:", data["message"])
789 update_last_error(domain, data["message"])
790 return fetch_generator_from_path(domain)
791 elif "software" not in data or "name" not in data["software"]:
792 # DEBUG: print(f"DEBUG: JSON response from {domain} does not include [software][name], fetching / ...")
793 software = fetch_generator_from_path(domain)
795 # DEBUG: print(f"DEBUG: Generator for domain='{domain}' is: {software}, EXIT!")
798 software = tidyup(data["software"]["name"])
800 # DEBUG: print("DEBUG: sofware after tidyup():", software)
801 if software in ["akkoma", "rebased"]:
802 # DEBUG: print("DEBUG: Setting pleroma:", domain, software)
804 elif software in ["hometown", "ecko"]:
805 # DEBUG: print("DEBUG: Setting mastodon:", domain, software)
806 software = "mastodon"
807 elif software in ["calckey", "groundpolis", "foundkey", "cherrypick", "meisskey"]:
808 # DEBUG: print("DEBUG: Setting misskey:", domain, software)
810 elif software.find("/") > 0:
811 print("WARNING: Spliting of slash:", software)
812 software = software.split("/")[-1];
813 elif software.find("|") > 0:
814 print("WARNING: Spliting of pipe:", software)
815 software = tidyup(software.split("|")[0]);
816 elif "powered by" in software:
817 # DEBUG: print(f"DEBUG: software='{software}' has 'powered by' in it")
818 software = strip_powered_by(software)
819 elif type(software) is str and " by " in software:
820 # DEBUG: print(f"DEBUG: software='{software}' has ' by ' in it")
821 software = strip_until(software, " by ")
822 elif type(software) is str and " see " in software:
823 # DEBUG: print(f"DEBUG: software='{software}' has ' see ' in it")
824 software = strip_until(software, " see ")
826 # DEBUG: print(f"DEBUG: software[]={type(software)}")
828 print("WARNING: tidyup() left no software name behind:", domain)
831 # DEBUG: print(f"DEBUG: software[]={type(software)}")
832 if str(software) == "":
833 # DEBUG: print(f"DEBUG: software for '{domain}' was not detected, trying generator ...")
834 software = fetch_generator_from_path(domain)
835 elif len(str(software)) > 0 and ("." in software or " " in software):
836 # DEBUG: print(f"DEBUG: software='{software}' may contain a version number, domain='{domain}', removing it ...")
837 software = remove_version(software)
839 # DEBUG: print(f"DEBUG: software[]={type(software)}")
840 if type(software) is str and "powered by" in software:
841 # DEBUG: print(f"DEBUG: software='{software}' has 'powered by' in it")
842 software = remove_version(strip_powered_by(software))
844 # DEBUG: print("DEBUG: Returning domain,software:", domain, software)
847 def update_block_reason(reason: str, blocker: str, blocked: str, block_level: str):
848 # DEBUG: print("DEBUG: Updating block reason:", reason, blocker, blocked, block_level)
851 "UPDATE blocks SET reason = ?, last_seen = ? WHERE blocker = ? AND blocked = ? AND block_level = ? AND reason = ''",
861 # DEBUG: print(f"DEBUG: cursor.rowcount={cursor.rowcount}")
862 if cursor.rowcount == 0:
863 print("WARNING: Did not update any rows:", domain)
865 except BaseException as e:
866 print(f"ERROR: failed SQL query: reason='{reason}',blocker='{blocker}',blocked='{blocked}',block_level='{block_level}',sql='{sql}',exception[{type(e)}]:'{str(e)}'")
869 # DEBUG: print("DEBUG: EXIT!")
871 def update_last_seen(blocker: str, blocked: str, block_level: str):
872 # DEBUG: print("DEBUG: Updating last_seen for:", blocker, blocked, block_level)
875 "UPDATE blocks SET last_seen = ? WHERE blocker = ? AND blocked = ? AND block_level = ?",
884 if cursor.rowcount == 0:
885 print("WARNING: Did not update any rows:", domain)
887 except BaseException as e:
888 print(f"ERROR: failed SQL query: last_seen='{last_seen}',blocker='{blocker}',blocked='{blocked}',block_level='{block_level}',exception[{type(e)}]:'{str(e)}'")
891 # DEBUG: print("DEBUG: EXIT!")
893 def block_instance(blocker: str, blocked: str, reason: str, block_level: str):
894 # DEBUG: print("DEBUG: blocker,blocked,reason,block_level:", blocker, blocked, reason, block_level)
895 if not validators.domain(blocker.split("/")[0]):
896 print("WARNING: Bad blocker:", blocker)
898 elif not validators.domain(blocked.split("/")[0]):
899 print("WARNING: Bad blocked:", blocked)
902 print("INFO: New block:", blocker, blocked, reason, block_level, first_seen, last_seen)
905 "INSERT INTO blocks (blocker, blocked, reason, block_level, first_seen, last_seen) VALUES(?, ?, ?, ?, ?, ?)",
916 except BaseException as e:
917 print(f"ERROR: failed SQL query: blocker='{blocker}',blocked='{blocked}',reason='{reason}',block_level='{block_level}',first_seen='{first_seen}',last_seen='{last_seen}',exception[{type(e)}]:'{str(e)}'")
920 # DEBUG: print("DEBUG: EXIT!")
922 def is_instance_registered(domain: str) -> bool:
923 # DEBUG: print(f"DEBUG: domain='{domain}' - CALLED!")
924 if not is_cache_initialized("is_registered"):
925 # DEBUG: print(f"DEBUG: Cache for 'is_registered' not initialized, fetching all rows ...")
927 cursor.execute("SELECT domain FROM instances")
930 set_all_cache_key("is_registered", cursor.fetchall(), True)
931 except BaseException as e:
932 print(f"ERROR: failed SQL query: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
936 registered = is_cache_key_set("is_registered", domain)
938 # DEBUG: print(f"DEBUG: registered='{registered}' - EXIT!")
941 def add_instance(domain: str, origin: str, originator: str, path: str = None):
942 # DEBUG: print("DEBUG: domain,origin,originator,path:", domain, origin, originator, path)
943 if not validators.domain(domain.split("/")[0]):
944 print("WARNING: Bad domain name:", domain)
946 elif origin is not None and not validators.domain(origin.split("/")[0]):
947 print("WARNING: Bad origin name:", origin)
950 software = determine_software(domain, path)
951 # DEBUG: print("DEBUG: Determined software:", software)
953 print(f"INFO: Adding instance {domain} (origin: {origin})")
956 "INSERT INTO instances (domain, origin, originator, hash, software, first_seen) VALUES (?, ?, ?, ?, ?, ?)",
967 set_cache_key("is_registered", domain, True)
969 if has_pending_nodeinfos(domain):
970 # DEBUG: print(f"DEBUG: domain='{domain}' has pending nodeinfo being updated ...")
971 update_nodeinfos(domain)
972 remove_pending_error(domain)
974 if domain in pending_errors:
975 # DEBUG: print("DEBUG: domain has pending error being updated:", domain)
976 update_last_error(domain, pending_errors[domain])
977 remove_pending_error(domain)
979 except BaseException as e:
980 print(f"ERROR: failed SQL query: domain='{domain}',exception[{type(e)}]:'{str(e)}'")
983 # DEBUG: print("DEBUG: Updating nodeinfo for domain:", domain)
984 update_last_nodeinfo(domain)
986 # DEBUG: print("DEBUG: EXIT!")
988 def send_bot_post(instance: str, blocks: dict):
989 message = instance + " has blocked the following instances:\n\n"
994 blocks = blocks[0 : 19]
997 if block["reason"] == None or block["reason"] == '':
998 message = message + block["blocked"] + " with unspecified reason\n"
1000 if len(block["reason"]) > 420:
1001 block["reason"] = block["reason"][0:419] + "[…]"
1003 message = message + block["blocked"] + ' for "' + block["reason"].replace("@", "@\u200b") + '"\n'
1006 message = message + "(the list has been truncated to the first 20 entries)"
1008 botheaders = {**api_headers, **{"Authorization": "Bearer " + config["bot_token"]}}
1011 f"{config['bot_instance']}/api/v1/statuses",
1014 "visibility" : config['bot_visibility'],
1015 "content_type": "text/plain"
1023 def get_mastodon_blocks(domain: str) -> dict:
1024 # DEBUG: print("DEBUG: Fetching mastodon blocks from domain:", domain)
1026 "Suspended servers": [],
1027 "Filtered media" : [],
1028 "Limited servers" : [],
1029 "Silenced servers" : [],
1033 doc = bs4.BeautifulSoup(
1034 reqto.get(f"https://{domain}/about/more", headers=headers, timeout=(config["connection_timeout"], config["read_timeout"])).text,
1037 except BaseException as e:
1038 print("ERROR: Cannot fetch from domain:", domain, e)
1039 update_last_error(domain, e)
1042 for header in doc.find_all("h3"):
1043 header_text = tidyup(header.text)
1045 if header_text in language_mapping:
1046 # DEBUG: print(f"DEBUG: header_text='{header_text}'")
1047 header_text = language_mapping[header_text]
1049 if header_text in blocks or header_text.lower() in blocks:
1050 # replaced find_next_siblings with find_all_next to account for instances that e.g. hide lists in dropdown menu
1051 for line in header.find_all_next("table")[0].find_all("tr")[1:]:
1052 blocks[header_text].append(
1054 "domain": tidyup(line.find("span").text),
1055 "hash" : tidyup(line.find("span")["title"][9:]),
1056 "reason": tidyup(line.find_all("td")[1].text),
1060 # DEBUG: print("DEBUG: Returning blocks for domain:", domain)
1062 "reject" : blocks["Suspended servers"],
1063 "media_removal" : blocks["Filtered media"],
1064 "followers_only": blocks["Limited servers"] + blocks["Silenced servers"],
1067 def get_friendica_blocks(domain: str) -> dict:
1068 # DEBUG: print("DEBUG: Fetching friendica blocks from domain:", domain)
1072 doc = bs4.BeautifulSoup(
1073 reqto.get(f"https://{domain}/friendica", headers=headers, timeout=(config["connection_timeout"], config["read_timeout"])).text,
1076 except BaseException as e:
1077 print("WARNING: Failed to fetch /friendica from domain:", domain, e)
1078 update_last_error(domain, e)
1081 blocklist = doc.find(id="about_blocklist")
1083 # Prevents exceptions:
1084 if blocklist is None:
1085 # DEBUG: print("DEBUG:Instance has no block list:", domain)
1088 for line in blocklist.find("table").find_all("tr")[1:]:
1089 # DEBUG: print(f"DEBUG: line='{line}'")
1091 "domain": tidyup(line.find_all("td")[0].text),
1092 "reason": tidyup(line.find_all("td")[1].text)
1095 # DEBUG: print("DEBUG: Returning blocks() for domain:", domain, len(blocks))
1100 def get_misskey_blocks(domain: str) -> dict:
1101 # DEBUG: print("DEBUG: Fetching misskey blocks from domain:", domain)
1108 step = config["misskey_offset"]
1110 # iterating through all "suspended" (follow-only in its terminology)
1111 # instances page-by-page, since that troonware doesn't support
1112 # sending them all at once
1114 # DEBUG: print(f"DEBUG: Fetching offset='{offset}' from '{domain}' ...")
1116 # DEBUG: print("DEBUG: Sending JSON API request to domain,step,offset:", domain, step, offset)
1117 fetched = post_json_api(domain, "/api/federation/instances", json.dumps({
1122 }), {"Origin": domain})
1124 # DEBUG: print("DEBUG: Sending JSON API request to domain,step,offset:", domain, step, offset)
1125 fetched = post_json_api(domain, "/api/federation/instances", json.dumps({
1130 "offset" : offset - 1
1131 }), {"Origin": domain})
1133 # DEBUG: print("DEBUG: fetched():", len(fetched))
1134 if len(fetched) == 0:
1135 # DEBUG: print("DEBUG: Returned zero bytes, exiting loop:", domain)
1137 elif len(fetched) != config["misskey_offset"]:
1138 # DEBUG: print(f"DEBUG: Fetched '{len(fetched)}' row(s) but expected: '{config['misskey_offset']}'")
1139 offset = offset + (config["misskey_offset"] - len(fetched))
1141 # DEBUG: print("DEBUG: Raising offset by step:", step)
1142 offset = offset + step
1144 for instance in fetched:
1146 if instance["isSuspended"]:
1147 blocks["suspended"].append(
1149 "domain": tidyup(instance["host"]),
1150 # no reason field, nothing
1155 except BaseException as e:
1156 print("WARNING: Caught error, exiting loop:", domain, e)
1157 update_last_error(domain, e)
1162 # same shit, different asshole ("blocked" aka full suspend)
1165 # DEBUG: print("DEBUG: Sending JSON API request to domain,step,offset:", domain, step, offset)
1166 fetched = post_json_api(domain,"/api/federation/instances", json.dumps({
1171 }), {"Origin": domain})
1173 # DEBUG: print("DEBUG: Sending JSON API request to domain,step,offset:", domain, step, offset)
1174 fetched = post_json_api(domain,"/api/federation/instances", json.dumps({
1180 }), {"Origin": domain})
1182 # DEBUG: print("DEBUG: fetched():", len(fetched))
1183 if len(fetched) == 0:
1184 # DEBUG: print("DEBUG: Returned zero bytes, exiting loop:", domain)
1186 elif len(fetched) != config["misskey_offset"]:
1187 # DEBUG: print(f"DEBUG: Fetched '{len(fetched)}' row(s) but expected: '{config['misskey_offset']}'")
1188 offset = offset + (config["misskey_offset"] - len(fetched))
1190 # DEBUG: print("DEBUG: Raising offset by step:", step)
1191 offset = offset + step
1193 for instance in fetched:
1194 if instance["isBlocked"]:
1195 blocks["blocked"].append({
1196 "domain": tidyup(instance["host"]),
1200 except BaseException as e:
1201 print("ERROR: Exception during POST:", domain, e)
1202 update_last_error(domain, e)
1206 # DEBUG: print("DEBUG: Returning for domain,blocked(),suspended():", domain, len(blocks["blocked"]), len(blocks["suspended"]))
1208 "reject" : blocks["blocked"],
1209 "followers_only": blocks["suspended"]
1212 def tidyup(string: str) -> str:
1213 # some retards put their blocks in variable case
1214 string = string.lower().strip()
1216 # other retards put the port
1217 string = re.sub("\:\d+$", "", string)
1219 # bigger retards put the schema in their blocklist, sometimes even without slashes
1220 string = re.sub("^https?\:(\/*)", "", string)
1222 # and trailing slash
1223 string = re.sub("\/$", "", string)
1226 string = re.sub("^\@", "", string)
1228 # the biggest retards of them all try to block individual users
1229 string = re.sub("(.+)\@", "", string)