fetch_blocks.py

   1 #!/usr/bin/python3
   2 # -*- coding: utf-8 -*-
   3
   4 # Fedi API Block - An aggregator for fetching blocking data from fediverse nodes
   5 # Copyright (C) 2023 Free Software Foundation
   6 #
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU Affero General Public License as published
   9 # by the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU Affero General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU Affero General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 import bs4
  21 import itertools
  22 import re
  23 import reqto
  24 import sys
  25 import time
  26 import validators
  27 from fba import *
  28
  29 boot.acquire_lock()
  30
  31 fba.cursor.execute(
  32     "SELECT domain, software, origin, nodeinfo_url FROM instances WHERE software IN ('pleroma', 'mastodon', 'friendica', 'misskey', 'gotosocial', 'bookwyrm', 'takahe') AND (last_blocked IS NULL OR last_blocked < ?) ORDER BY rowid DESC", [time.time() - config.get("recheck_block")]
  33 )
  34
  35 rows = fba.cursor.fetchall()
  36 print(f"INFO: Checking {len(rows)} entries ...")
  37 for blocker, software, origin, nodeinfo_url in rows:
  38     # DEBUG: print("DEBUG: BEFORE blocker,software,origin,nodeinfo_url:", blocker, software, origin, nodeinfo_url)
  39     blockdict = []
  40     blocker = fba.tidyup_domain(blocker)
  41     # DEBUG: print("DEBUG: AFTER blocker,software:", blocker, software)
  42
  43     if blocker == "":
  44         print("WARNING: blocker is now empty!")
  45         continue
  46     elif fba.is_blacklisted(blocker):
  47         print(f"WARNING: blocker='{blocker}' is blacklisted now!")
  48         continue
  49
  50     # DEBUG: print(f"DEBUG: blocker='{blocker}'")
  51     fba.update_last_blocked(blocker)
  52
  53     if software == "pleroma":
  54         print("INFO: blocker:", blocker)
  55         try:
  56             # Blocks
  57             json = fba.fetch_nodeinfo(blocker, nodeinfo_url)
  58             if json is None:
  59                 print("WARNING: Could not fetch nodeinfo from blocker:", blocker)
  60                 continue
  61             elif not "metadata" in json:
  62                 print(f"WARNING: json()={len(json)} does not have key 'metadata', blocker='{blocker}'")
  63                 continue
  64             elif not "federation" in json["metadata"]:
  65                 print(f"WARNING: json()={len(json['metadata'])} does not have key 'federation', blocker='{blocker}'")
  66                 continue
  67
  68             # DEBUG: print("DEBUG: Updating nodeinfo:", blocker)
  69             fba.update_last_nodeinfo(blocker)
  70
  71             federation = json["metadata"]["federation"]
  72
  73             if "enabled" in federation:
  74                 # DEBUG: print("DEBUG: Instance has no block list to analyze:", blocker)
  75                 continue
  76
  77             if "mrf_simple" in federation:
  78                 for block_level, blocks in (
  79                     {**federation["mrf_simple"],
  80                     **{"quarantined_instances": federation["quarantined_instances"]}}
  81                 ).items():
  82                     # DEBUG: print("DEBUG: block_level, blocks():", block_level, len(blocks))
  83                     block_level = fba.tidyup_domain(block_level)
  84                     # DEBUG: print("DEBUG: BEFORE block_level:", block_level)
  85
  86                     if block_level == "":
  87                         print("WARNING: block_level is now empty!")
  88                         continue
  89
  90                     # DEBUG: print(f"DEBUG: Checking {len(blocks)} entries from blocker='{blocker}',software='{software}',block_level='{block_level}' ...")
  91                     for blocked in blocks:
  92                         # DEBUG: print("DEBUG: BEFORE blocked:", blocked)
  93                         blocked = fba.tidyup_domain(blocked)
  94                         # DEBUG: print("DEBUG: AFTER blocked:", blocked)
  95
  96                         if blocked == "":
  97                             print("WARNING: blocked is empty after fba.tidyup_domain():", blocker, block_level)
  98                             continue
  99                         elif fba.is_blacklisted(blocked):
 100                             # DEBUG: print(f"DEBUG: blocked='{blocked}' is blacklisted - skipping!")
 101                             continue
 102                         elif blocked.count("*") > 1:
 103                             # -ACK!-oma also started obscuring domains without hash
 104                             fba.cursor.execute(
 105                                 "SELECT domain, nodeinfo_url FROM instances WHERE domain LIKE ? ORDER BY rowid LIMIT 1", [blocked.replace("*", "_")]
 106                             )
 107                             searchres = fba.cursor.fetchone()
 108                             # DEBUG: print("DEBUG: searchres[]:", type(searchres))
 109
 110                             if searchres == None:
 111                                 print(f"WARNING: Cannot deobsfucate blocked='{blocked}' - SKIPPED!")
 112                                 continue
 113
 114                             blocked = searchres[0]
 115                             nodeinfo_url = searchres[1]
 116                             # DEBUG: print("DEBUG: Looked up domain:", blocked)
 117                         elif not validators.domain(blocked):
 118                             print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 119                             continue
 120
 121                         # DEBUG: print("DEBUG: Looking up instance by domain:", blocked)
 122                         if not validators.domain(blocked):
 123                             print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 124                             continue
 125                         elif not fba.is_instance_registered(blocked):
 126                             # DEBUG: print(f"DEBUG: Domain blocked='{blocked}' wasn't found, adding ..., blocker='{blocker}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
 127                             fba.add_instance(blocked, blocker, sys.argv[0], nodeinfo_url)
 128
 129                         if not fba.is_instance_blocked(blocker, blocked, block_level):
 130                             # DEBUG: print("DEBUG: Blocking:", blocker, blocked, block_level)
 131                             fba.block_instance(blocker, blocked, "unknown", block_level)
 132
 133                             if block_level == "reject":
 134                                 # DEBUG: print("DEBUG: Adding to blockdict:", blocked)
 135                                 blockdict.append(
 136                                     {
 137                                         "blocked": blocked,
 138                                         "reason" : None
 139                                     })
 140                         else:
 141                             # DEBUG: print(f"DEBUG: Updating block last seen for blocker='{blocker}',blocked='{blocked}' ...")
 142                             fba.update_last_seen(blocker, blocked, block_level)
 143
 144             # DEBUG: print("DEBUG: Committing changes ...")
 145             fba.connection.commit()
 146
 147             # Reasons
 148             if "mrf_simple_info" in federation:
 149                 # DEBUG: print("DEBUG: Found mrf_simple_info:", blocker)
 150                 for block_level, info in (
 151                     {**federation["mrf_simple_info"],
 152                     **(federation["quarantined_instances_info"]
 153                     if "quarantined_instances_info" in federation
 154                     else {})}
 155                 ).items():
 156                     # DEBUG: print("DEBUG: block_level, info.items():", block_level, len(info.items()))
 157                     block_level = fba.tidyup_domain(block_level)
 158                     # DEBUG: print("DEBUG: BEFORE block_level:", block_level)
 159
 160                     if block_level == "":
 161                         print("WARNING: block_level is now empty!")
 162                         continue
 163
 164                     # DEBUG: print(f"DEBUG: Checking {len(info.items())} entries from blocker='{blocker}',software='{software}',block_level='{block_level}' ...")
 165                     for blocked, reason in info.items():
 166                         # DEBUG: print("DEBUG: BEFORE blocked:", blocked)
 167                         blocked = fba.tidyup_domain(blocked)
 168                         # DEBUG: print("DEBUG: AFTER blocked:", blocked)
 169
 170                         if blocked == "":
 171                             print("WARNING: blocked is empty after fba.tidyup_domain():", blocker, block_level)
 172                             continue
 173                         elif fba.is_blacklisted(blocked):
 174                             # DEBUG: print(f"DEBUG: blocked='{blocked}' is blacklisted - skipping!")
 175                             continue
 176                         elif blocked.count("*") > 1:
 177                             # same domain guess as above, but for reasons field
 178                             fba.cursor.execute(
 179                                 "SELECT domain, origin, nodeinfo_url FROM instances WHERE domain LIKE ? ORDER BY rowid LIMIT 1", [blocked.replace("*", "_")]
 180                             )
 181                             searchres = fba.cursor.fetchone()
 182
 183                             if searchres == None:
 184                                 print(f"WARNING: Cannot deobsfucate blocked='{blocked}' - SKIPPED!")
 185                                 continue
 186
 187                             blocked = searchres[0]
 188                             origin = searchres[1]
 189                             nodeinfo_url = searchres[2]
 190                         elif not validators.domain(blocked):
 191                             print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 192                             continue
 193
 194                         # DEBUG: print("DEBUG: Looking up instance by domain:", blocked)
 195                         if not validators.domain(blocked):
 196                             print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 197                             continue
 198                         elif not fba.is_instance_registered(blocked):
 199                             # DEBUG: print(f"DEBUG: Domain blocked='{blocked}' wasn't found, adding ..., blocker='{blocker}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
 200                             fba.add_instance(blocked, blocker, sys.argv[0], nodeinfo_url)
 201
 202                         # DEBUG: print("DEBUG: Updating block reason:", blocker, blocked, reason["reason"])
 203                         fba.update_block_reason(reason["reason"], blocker, blocked, block_level)
 204
 205                         for entry in blockdict:
 206                             if entry["blocked"] == blocked:
 207                                 # DEBUG: print("DEBUG: Updating entry reason:", blocked)
 208                                 entry["reason"] = reason["reason"]
 209
 210             fba.connection.commit()
 211         except Exception as e:
 212             print(f"ERROR: blocker='{blocker}',software='{software}',exception[{type(e)}]:'{str(e)}'")
 213     elif software == "mastodon":
 214         print("INFO: blocker:", blocker)
 215         try:
 216             # json endpoint for newer mastodongs
 217             try:
 218                 json = {
 219                     "reject"        : [],
 220                     "media_removal" : [],
 221                     "followers_only": [],
 222                     "report_removal": []
 223                 }
 224
 225                 # handling CSRF, I've saw at least one server requiring it to access the endpoint
 226                 # DEBUG: print("DEBUG: Fetching meta:", blocker)
 227                 meta = bs4.BeautifulSoup(
 228                     fba.get_response(blocker, "/", fba.headers, (config.get("connection_timeout"), config.get("read_timeout"))).text,
 229                     "html.parser",
 230                 )
 231                 try:
 232                     csrf = meta.find("meta", attrs={"name": "csrf-token"})["content"]
 233                     # DEBUG: print("DEBUG: Adding CSRF token:", blocker, csrf)
 234                     reqheaders = {**fba.api_headers, **{"X-CSRF-Token": csrf}}
 235                 except BaseException as e:
 236                     # DEBUG: print("DEBUG: No CSRF token found, using normal headers:", blocker, e)
 237                     reqheaders = fba.api_headers
 238
 239                 # DEBUG: print("DEBUG: Querying API domain_blocks:", blocker)
 240                 blocks = fba.get_response(blocker, "/api/v1/instance/domain_blocks", reqheaders, (config.get("connection_timeout"), config.get("read_timeout"))).json()
 241
 242                 print(f"INFO: Checking {len(blocks)} entries from blocker='{blocker}',software='{software}' ...")
 243                 for block in blocks:
 244                     entry = {
 245                         'domain': block['domain'],
 246                         'hash'  : block['digest'],
 247                         'reason': block['comment']
 248                     }
 249
 250                     # DEBUG: print("DEBUG: severity,domain,hash,comment:", block['severity'], block['domain'], block['digest'], block['comment'])
 251                     if block['severity'] == 'suspend':
 252                         # DEBUG: print(f"DEBUG: Adding entry='{entry}' with severity='{block['severity']}' ...")
 253                         json['reject'].append(entry)
 254                     elif block['severity'] == 'silence':
 255                         # DEBUG: print(f"DEBUG: Adding entry='{entry}' with severity='{block['severity']}' ...")
 256                         json['followers_only'].append(entry)
 257                     elif block['severity'] == 'reject_media':
 258                         # DEBUG: print(f"DEBUG: Adding entry='{entry}' with severity='{block['severity']}' ...")
 259                         json['media_removal'].append(entry)
 260                     elif block['severity'] == 'reject_reports':
 261                         # DEBUG: print(f"DEBUG: Adding entry='{entry}' with severity='{block['severity']}' ...")
 262                         json['report_removal'].append(entry)
 263                     else:
 264                         print("WARNING: Unknown severity:", block['severity'], block['domain'])
 265             except BaseException as e:
 266                 # DEBUG: print(f"DEBUG: Failed, trying mastodon-specific fetches: blocker='{blocker}',exception[{type(e)}]={str(e)}")
 267                 json = fba.get_mastodon_blocks(blocker)
 268
 269             print(f"INFO: Checking {len(json.items())} entries from blocker='{blocker}',software='{software}' ...")
 270             for block_level, blocks in json.items():
 271                 # DEBUG: print("DEBUG: blocker,block_level,blocks():", blocker, block_level, len(blocks))
 272                 block_level = fba.tidyup_domain(block_level)
 273                 # DEBUG: print("DEBUG: AFTER-block_level:", block_level)
 274                 if block_level == "":
 275                     print("WARNING: block_level is empty, blocker:", blocker)
 276                     continue
 277
 278                 # DEBUG: print(f"DEBUG: Checking {len(blocks)} entries from blocker='{blocker}',software='{software}',block_level='{block_level}' ...")
 279                 for block in blocks:
 280                     blocked, blocked_hash, reason = block.values()
 281                     # DEBUG: print("DEBUG: blocked,hash,reason:", blocked, blocked_hash, reason)
 282                     blocked = fba.tidyup_domain(blocked)
 283                     # DEBUG: print("DEBUG: AFTER-blocked:", blocked)
 284
 285                     if blocked == "":
 286                         print("WARNING: blocked is empty:", blocker)
 287                         continue
 288                     elif fba.is_blacklisted(blocked):
 289                         # DEBUG: print(f"DEBUG: blocked='{blocked}' is blacklisted - skipping!")
 290                         continue
 291                     elif blocked.count("*") > 0:
 292                         # Doing the hash search for instance names as well to tidy up DB
 293                         fba.cursor.execute(
 294                             "SELECT domain, origin, nodeinfo_url FROM instances WHERE hash = ? LIMIT 1", [blocked_hash]
 295                         )
 296                         searchres = fba.cursor.fetchone()
 297
 298                         if searchres == None:
 299                             print(f"WARNING: Cannot deobsfucate blocked='{blocked}',blocked_hash='{blocked_hash}' - SKIPPED!")
 300                             continue
 301
 302                         # DEBUG: print("DEBUG: Updating domain: ", searchres[0])
 303                         blocked = searchres[0]
 304                         origin = searchres[1]
 305                         nodeinfo_url = searchres[2]
 306
 307                         # DEBUG: print("DEBUG: Looking up instance by domain:", blocked)
 308                         if not validators.domain(blocked):
 309                             print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 310                             continue
 311                         elif not fba.is_instance_registered(blocked):
 312                             # DEBUG: print(f"DEBUG: Domain blocked='{blocked}' wasn't found, adding ..., blocker='{blocker}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
 313                             fba.add_instance(blocked, blocker, sys.argv[0], nodeinfo_url)
 314                     elif not validators.domain(blocked):
 315                         print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 316                         continue
 317
 318                     # DEBUG: print("DEBUG: Looking up instance by domain:", blocked)
 319                     if not validators.domain(blocked):
 320                         print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 321                         continue
 322                     elif not fba.is_instance_registered(blocked):
 323                         # DEBUG: print("DEBUG: Hash wasn't found, adding:", blocked, blocker)
 324                         fba.add_instance(blocked, blocker, sys.argv[0], nodeinfo_url)
 325
 326                     blocking = blocked if blocked.count("*") <= 1 else blocked_hash
 327                     # DEBUG: print(f"DEBUG: blocking='{blocking}',blocked='{blocked}',blocked_hash='{blocked_hash}'")
 328
 329                     if not fba.is_instance_blocked(blocker, blocked, block_level):
 330                         # DEBUG: print("DEBUG: Blocking:", blocker, blocked, block_level)
 331                         fba.block_instance(blocker, blocking, reason, block_level)
 332
 333                         if block_level == "reject":
 334                             blockdict.append({
 335                                 "blocked": blocked,
 336                                 "reason" : reason
 337                             })
 338                     else:
 339                         # DEBUG: print(f"DEBUG: Updating block last seen and reason for blocker='{blocker}',blocking='{blocking}' ...")
 340                         fba.update_last_seen(blocker, blocking, block_level)
 341                         fba.update_block_reason(reason, blocker, blocking, block_level)
 342
 343             # DEBUG: print("DEBUG: Committing changes ...")
 344             fba.connection.commit()
 345         except Exception as e:
 346             print(f"ERROR: blocker='{blocker}',software='{software}',exception[{type(e)}]:'{str(e)}'")
 347     elif software == "friendica" or software == "misskey" or software == "bookwyrm" or software == "takahe":
 348         print("INFO: blocker:", blocker)
 349         try:
 350             if software == "friendica":
 351                 json = fba.get_friendica_blocks(blocker)
 352             elif software == "misskey":
 353                 json = fba.get_misskey_blocks(blocker)
 354             elif software == "bookwyrm":
 355                 print("WARNING: bookwyrm is not fully supported for fetching blacklist!", blocker)
 356                 #json = fba.get_bookwyrm_blocks(blocker)
 357                 continue
 358             elif software == "takahe":
 359                 print("WARNING: takahe is not fully supported for fetching blacklist!", blocker)
 360                 #json = fba.get_takahe_blocks(blocker)
 361                 continue
 362
 363             print(f"INFO: Checking {len(json.items())} entries from blocker='{blocker}',software='{software}' ...")
 364             for block_level, blocks in json.items():
 365                 # DEBUG: print("DEBUG: blocker,block_level,blocks():", blocker, block_level, len(blocks))
 366                 block_level = fba.tidyup_domain(block_level)
 367                 # DEBUG: print("DEBUG: AFTER-block_level:", block_level)
 368                 if block_level == "":
 369                     print("WARNING: block_level is empty, blocker:", blocker)
 370                     continue
 371
 372                 # DEBUG: print(f"DEBUG: Checking {len(blocks)} entries from blocker='{blocker}',software='{software}',block_level='{block_level}' ...")
 373                 for block in blocks:
 374                     blocked, reason = block.values()
 375                     # DEBUG: print("DEBUG: BEFORE blocked:", blocked)
 376                     blocked = fba.tidyup_domain(blocked)
 377                     # DEBUG: print("DEBUG: AFTER blocked:", blocked)
 378
 379                     if blocked == "":
 380                         print("WARNING: blocked is empty:", blocker)
 381                         continue
 382                     elif fba.is_blacklisted(blocked):
 383                         # DEBUG: print(f"DEBUG: blocked='{blocked}' is blacklisted - skipping!")
 384                         continue
 385                     elif blocked.count("*") > 0:
 386                         # Some friendica servers also obscure domains without hash
 387                         fba.cursor.execute(
 388                             "SELECT domain, origin, nodeinfo_url FROM instances WHERE domain LIKE ? ORDER BY rowid LIMIT 1", [blocked.replace("*", "_")]
 389                         )
 390
 391                         searchres = fba.cursor.fetchone()
 392
 393                         if searchres == None:
 394                             print(f"WARNING: Cannot deobsfucate blocked='{blocked}' - SKIPPED!")
 395                             continue
 396
 397                         blocked = searchres[0]
 398                         origin = searchres[1]
 399                         nodeinfo_url = searchres[2]
 400                     elif blocked.count("?") > 0:
 401                         # Some obscure them with question marks, not sure if that's dependent on version or not
 402                         fba.cursor.execute(
 403                             "SELECT domain, origin, nodeinfo_url FROM instances WHERE domain LIKE ? ORDER BY rowid LIMIT 1", [blocked.replace("?", "_")]
 404                         )
 405
 406                         searchres = fba.cursor.fetchone()
 407
 408                         if searchres == None:
 409                             print(f"WARNING: Cannot deobsfucate blocked='{blocked}' - SKIPPED!")
 410                             continue
 411
 412                         blocked = searchres[0]
 413                         origin = searchres[1]
 414                         nodeinfo_url = searchres[2]
 415                     elif not validators.domain(blocked):
 416                         print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 417                         continue
 418
 419                     # DEBUG: print("DEBUG: Looking up instance by domain:", blocked)
 420                     if not validators.domain(blocked):
 421                         print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 422                         continue
 423                     elif not fba.is_instance_registered(blocked):
 424                         # DEBUG: print("DEBUG: Hash wasn't found, adding:", blocked, blocker)
 425                         fba.add_instance(blocked, blocker, sys.argv[0], nodeinfo_url)
 426
 427                     if not fba.is_instance_blocked(blocker, blocked, block_level):
 428                         fba.block_instance(blocker, blocked, reason, block_level)
 429
 430                         if block_level == "reject":
 431                             blockdict.append({
 432                                 "blocked": blocked,
 433                                 "reason" : reason
 434                             })
 435                     else:
 436                         # DEBUG: print(f"DEBUG: Updating block last seen and reason for blocker='{blocker}',blocked='{blocked}' ...")
 437                         fba.update_last_seen(blocker, blocked, block_level)
 438                         fba.update_block_reason(reason, blocker, blocked, block_level)
 439
 440             # DEBUG: print("DEBUG: Committing changes ...")
 441             fba.connection.commit()
 442         except Exception as e:
 443             print(f"ERROR: blocker='{blocker}',software='{software}',exception[{type(e)}]:'{str(e)}'")
 444     elif software == "gotosocial":
 445         print("INFO: blocker:", blocker)
 446         try:
 447             # Blocks
 448             federation = fba.get_response(blocker, "{fba.get_peers_url}?filter=suspended", fba.api_headers, (config.get("connection_timeout"), config.get("read_timeout"))).json()
 449
 450             if (federation == None):
 451                 print("WARNING: No valid response:", blocker);
 452             elif "error" in federation:
 453                 print("WARNING: API returned error:", federation["error"])
 454             else:
 455                 print(f"INFO: Checking {len(federation)} entries from blocker='{blocker}',software='{software}' ...")
 456                 for peer in federation:
 457                     blocked = peer["domain"].lower()
 458                     # DEBUG: print("DEBUG: BEFORE blocked:", blocked)
 459                     blocked = fba.tidyup_domain(blocked)
 460                     # DEBUG: print("DEBUG: AFTER blocked:", blocked)
 461
 462                     if blocked == "":
 463                         print("WARNING: blocked is empty:", blocker)
 464                         continue
 465                     elif fba.is_blacklisted(blocked):
 466                         # DEBUG: print(f"DEBUG: blocked='{blocked}' is blacklisted - skipping!")
 467                         continue
 468                     elif blocked.count("*") > 0:
 469                         # GTS does not have hashes for obscured domains, so we have to guess it
 470                         fba.cursor.execute(
 471                             "SELECT domain, origin, nodeinfo_url FROM instances WHERE domain LIKE ? ORDER BY rowid LIMIT 1", [blocked.replace("*", "_")]
 472                         )
 473                         searchres = fba.cursor.fetchone()
 474
 475                         if searchres == None:
 476                             print(f"WARNING: Cannot deobsfucate blocked='{blocked}' - SKIPPED!")
 477                             continue
 478
 479                         blocked = searchres[0]
 480                         origin = searchres[1]
 481                         nodeinfo_url = searchres[2]
 482                     elif not validators.domain(blocked):
 483                         print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 484                         continue
 485
 486                     # DEBUG: print("DEBUG: Looking up instance by domain:", blocked)
 487                     if not validators.domain(blocked):
 488                         print(f"WARNING: blocked='{blocked}',software='{software}' is not a valid domain name - skipped!")
 489                         continue
 490                     elif not fba.is_instance_registered(blocked):
 491                         # DEBUG: print(f"DEBUG: Domain blocked='{blocked}' wasn't found, adding ..., blocker='{blocker}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
 492                         fba.add_instance(blocked, blocker, sys.argv[0], nodeinfo_url)
 493
 494                     if not fba.is_instance_blocked(blocker, blocked, "reject"):
 495                         # DEBUG: print(f"DEBUG: blocker='{blocker}' is blocking '{blocked}' for unknown reason at this point")
 496                         fba.block_instance(blocker, blocked, "unknown", "reject")
 497
 498                         blockdict.append({
 499                             "blocked": blocked,
 500                             "reason" : None
 501                         })
 502                     else:
 503                         # DEBUG: print(f"DEBUG: Updating block last seen for blocker='{blocker}',blocked='{blocked}' ...")
 504                         fba.update_last_seen(blocker, blocked, "reject")
 505
 506                     if "public_comment" in peer:
 507                         # DEBUG: print("DEBUG: Updating block reason:", blocker, blocked, peer["public_comment"])
 508                         fba.update_block_reason(peer["public_comment"], blocker, blocked, "reject")
 509
 510                         for entry in blockdict:
 511                             if entry["blocked"] == blocked:
 512                                 # DEBUG: print(f"DEBUG: Setting block reason for blocked='{blocked}':'{peer['public_comment']}'")
 513                                 entry["reason"] = peer["public_comment"]
 514
 515                 # DEBUG: print("DEBUG: Committing changes ...")
 516                 fba.connection.commit()
 517         except Exception as e:
 518             print(f"ERROR: blocker='{blocker}',software='{software}',exception[{type(e)}]:'{str(e)}'")
 519     else:
 520         print("WARNING: Unknown software:", blocker, software)
 521
 522     if config.get("bot_enabled") and len(blockdict) > 0:
 523         send_bot_post(blocker, blockdict)
 524
 525     blockdict = []
 526
 527 boot.shutdown()