fba/commands.py

   1 # Fedi API Block - An aggregator for fetching blocking data from fediverse nodes
   2 # Copyright (C) 2023 Free Software Foundation
   3 #
   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.
   8 #
   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.
  13 #
  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/>.
  16
  17 import csv
  18 import inspect
  19 import json
  20 import logging
  21 import time
  22
  23 from urllib.parse import urlparse
  24
  25 import argparse
  26 import atoma
  27 import bs4
  28 import markdown
  29 import reqto
  30 import validators
  31
  32 from fba import database
  33 from fba import utils
  34
  35 from fba.helpers import blacklist
  36 from fba.helpers import blocklists
  37 from fba.helpers import config
  38 from fba.helpers import cookies
  39 from fba.helpers import dicts as dict_helper
  40 from fba.helpers import domain as domain_helper
  41 from fba.helpers import locking
  42 from fba.helpers import processing
  43 from fba.helpers import software as software_helper
  44 from fba.helpers import tidyup
  45
  46 from fba.http import csrf
  47 from fba.http import federation
  48 from fba.http import network
  49
  50 from fba.models import blocks
  51 from fba.models import instances
  52 from fba.models import sources
  53
  54 from fba.networks import friendica
  55 from fba.networks import lemmy
  56 from fba.networks import mastodon
  57 from fba.networks import misskey
  58 from fba.networks import pleroma
  59
  60 logging.basicConfig(level=logging.INFO)
  61 logger = logging.getLogger(__name__)
  62 #logger.setLevel(logging.DEBUG)
  63
  64 def check_instance(args: argparse.Namespace) -> int:
  65     logger.debug("args.domain='%s' - CALLED!", args.domain)
  66
  67     status = 0
  68     if not validators.domain(args.domain):
  69         logger.warning("args.domain='%s' is not valid", args.domain)
  70         status = 100
  71     elif blacklist.is_blacklisted(args.domain):
  72         logger.warning("args.domain='%s' is blacklisted", args.domain)
  73         status = 101
  74     elif instances.is_registered(args.domain):
  75         logger.warning("args.domain='%s' is already registered", args.domain)
  76         status = 102
  77     else:
  78         logger.info("args.domain='%s' is not known", args.domain)
  79
  80     logger.debug("status=%d - EXIT!", status)
  81     return status
  82
  83 def check_nodeinfo(args: argparse.Namespace) -> int:
  84     logger.debug("args[]='%s' - CALLED!", type(args))
  85
  86     # Fetch rows
  87     database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE nodeinfo_url IS NOT NULL ORDER BY domain ASC")
  88
  89     cnt = 0
  90     for row in database.cursor.fetchall():
  91         logger.debug("Checking row[domain]='%s',row[software]='%s',row[nodeinfo_url]='%s' ...", row["domain"], row["software"], row["nodeinfo_url"])
  92         punycode = row["domain"].encode("idna").decode("utf-8")
  93
  94         if row["nodeinfo_url"].startswith("/"):
  95             logger.debug("row[nodeinfo_url]='%s' is a relative URL and always matches", row["nodeinfo_url"])
  96             continue
  97         elif row["nodeinfo_url"].find(punycode) == -1 and row["nodeinfo_url"].find(row["domain"]) == -1:
  98             logger.warning("punycode='%s' is not found in row[nodeinfo_url]='%s',row[software]='%s'", punycode, row["nodeinfo_url"], row["software"])
  99             cnt = cnt + 1
 100
 101     logger.info("Found %d row(s)", cnt)
 102
 103     logger.debug("EXIT!")
 104     return 0
 105
 106 def fetch_pixelfed_api(args: argparse.Namespace) -> int:
 107     logger.debug("args[]='%s' - CALLED!", type(args))
 108
 109     # No CSRF by default, you don't have to add network.source_headers by yourself here
 110     headers = tuple()
 111     source_domain = "pixelfed.org"
 112
 113     if sources.is_recent(source_domain):
 114         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
 115         return 1
 116     else:
 117         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
 118         sources.update(source_domain)
 119
 120     try:
 121         logger.debug("Checking CSRF from source_domain='%s' ...", source_domain)
 122         headers = csrf.determine(source_domain, dict())
 123     except network.exceptions as exception:
 124         logger.warning("Exception '%s' during checking CSRF (fetch_peers,%s) - EXIT!", type(exception), __name__)
 125         return list()
 126
 127     try:
 128         logger.info("Fetching JSON from pixelfed.org API, headers()=%d ...", len(headers))
 129         fetched = network.get_json_api(
 130             source_domain,
 131             "/api/v1/servers/all.json?scope=All&country=all&language=all",
 132             headers,
 133             (config.get("connection_timeout"), config.get("read_timeout"))
 134         )
 135
 136         logger.debug("fetched(%d)[]='%s'", len(fetched), type(fetched))
 137         if "error_message" in fetched:
 138             logger.warning("API returned error_message='%s' - EXIT!", fetched["error_message"])
 139             return 101
 140         elif "data" not in fetched["json"]:
 141             logger.warning("API did not return JSON with 'data' element - EXIT!")
 142             return 102
 143
 144         rows = fetched["json"]["data"]
 145         logger.info("Checking %d fetched rows ...", len(rows))
 146         for row in rows:
 147             logger.debug("row[]='%s'", type(row))
 148             if "domain" not in row:
 149                 logger.warning("row='%s' does not contain element 'domain' - SKIPPED!", row)
 150                 continue
 151             elif row["domain"] in [None, ""]:
 152                 logger.debug("row[domain]='%s' is empty - SKIPPED!", row["domain"])
 153                 continue
 154
 155             logger.debug("row[domain]='%s' - BEFORE!", row["domain"])
 156             domain = row["domain"].encode("idna").decode("utf-8")
 157             logger.debug("domain='%s' - AFTER!", domain)
 158
 159             if not domain_helper.is_wanted(domain):
 160                 logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
 161                 continue
 162             elif instances.is_registered(domain):
 163                 logger.debug("domain='%s' is already registered - SKIPPED!", domain)
 164                 continue
 165             elif instances.is_recent(domain):
 166                 logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
 167                 continue
 168
 169             logger.debug("Fetching instances from domain='%s' ...", domain)
 170             federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
 171
 172     except network.exceptions as exception:
 173         logger.warning("Cannot fetch graphql,exception[%s]:'%s' - EXIT!", type(exception), str(exception))
 174         return 103
 175
 176     logger.debug("Success! - EXIT!")
 177     return 0
 178
 179 def fetch_bkali(args: argparse.Namespace) -> int:
 180     logger.debug("args[]='%s' - CALLED!", type(args))
 181
 182     logger.debug("Invoking locking.acquire() ...")
 183     locking.acquire()
 184
 185     source_domain = "gql.api.bka.li"
 186     if sources.is_recent(source_domain):
 187         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
 188         return 1
 189     else:
 190         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
 191         sources.update(source_domain)
 192
 193     domains = list()
 194     try:
 195         logger.info("Fetching domainlist from source_domain='%s' ...", source_domain)
 196         fetched = network.post_json_api(
 197             source_domain,
 198             "/v1/graphql",
 199             json.dumps({
 200                 "query": "query domainlist {nodeinfo(order_by: {domain: asc}) {domain}}"
 201             })
 202         )
 203
 204         logger.debug("fetched[]='%s'", type(fetched))
 205         if "error_message" in fetched:
 206             logger.warning("post_json_api() for 'gql.sources.bka.li' returned error message='%s", fetched["error_message"])
 207             return 100
 208         elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
 209             logger.warning("post_json_api() returned error: '%s", fetched["error"]["message"])
 210             return 101
 211
 212         rows = fetched["json"]
 213
 214         logger.debug("rows(%d)[]='%s'", len(rows), type(rows))
 215         if len(rows) == 0:
 216             raise Exception("WARNING: Returned no records")
 217         elif "data" not in rows:
 218             raise Exception(f"WARNING: rows()={len(rows)} does not contain key 'data'")
 219         elif "nodeinfo" not in rows["data"]:
 220             raise Exception(f"WARNING: rows()={len(rows['data'])} does not contain key 'nodeinfo'")
 221
 222         for entry in rows["data"]["nodeinfo"]:
 223             logger.debug("entry[%s]='%s'", type(entry), entry)
 224             if "domain" not in entry:
 225                 logger.warning("entry()=%d does not contain 'domain' - SKIPPED!", len(entry))
 226                 continue
 227             elif entry["domain"] in [None, ""]:
 228                 logger.debug("entry[domain]='%s' is empty - SKIPPED!", entry["domain"])
 229                 continue
 230             elif not domain_helper.is_wanted(entry["domain"]):
 231                 logger.debug("entry[domain]='%s' is not wanted - SKIPPED!", entry["domain"])
 232                 continue
 233             elif instances.is_registered(entry["domain"]):
 234                 logger.debug("entry[domain]='%s' is already registered - SKIPPED!", entry["domain"])
 235                 continue
 236             elif instances.is_recent(entry["domain"]):
 237                 logger.debug("entry[domain]='%s' has been recently crawled - SKIPPED!", entry["domain"])
 238                 continue
 239
 240             logger.debug("Adding domain='%s' ...", entry["domain"])
 241             domains.append(entry["domain"])
 242
 243     except network.exceptions as exception:
 244         logger.warning("Cannot fetch graphql,exception[%s]:'%s' - EXIT!", type(exception), str(exception))
 245         return 102
 246
 247     logger.debug("domains()=%d", len(domains))
 248     if len(domains) > 0:
 249         logger.info("Adding %d new instances ...", len(domains))
 250         for domain in domains:
 251             logger.debug("domain='%s' - BEFORE!", domain)
 252             domain = domain.encode("idna").decode("utf-8")
 253             logger.debug("domain='%s' - AFTER!", domain)
 254
 255             try:
 256                 logger.info("Fetching instances from domain='%s' ...", domain)
 257                 federation.fetch_instances(domain, "tak.teleyal.blog", None, inspect.currentframe().f_code.co_name)
 258             except network.exceptions as exception:
 259                 logger.warning("Exception '%s' during fetching instances (fetch_bkali) from domain='%s'", type(exception), domain)
 260                 instances.set_last_error(domain, exception)
 261                 return 100
 262
 263     logger.debug("Success - EXIT!")
 264     return 0
 265
 266 def fetch_blocks(args: argparse.Namespace) -> int:
 267     logger.debug("args[]='%s' - CALLED!", type(args))
 268     if args.domain is not None and args.domain != "":
 269         logger.debug("args.domain='%s' - checking ...", args.domain)
 270         if not validators.domain(args.domain):
 271             logger.warning("args.domain='%s' is not valid.", args.domain)
 272             return 100
 273         elif blacklist.is_blacklisted(args.domain):
 274             logger.warning("args.domain='%s' is blacklisted, won't check it!", args.domain)
 275             return 101
 276         elif not instances.is_registered(args.domain):
 277             logger.warning("args.domain='%s' is not registered, please run ./utils.py fetch_instances '%s' first.", args.domain, args.domain)
 278             return 102
 279
 280     logger.debug("Invoking locking.acquire() ...")
 281     locking.acquire()
 282
 283     if args.domain is not None and args.domain != "":
 284         # Re-check single domain
 285         logger.debug("Querying database for args.domain='%s' ...", args.domain)
 286         database.cursor.execute(
 287             "SELECT domain, software, origin, nodeinfo_url FROM instances WHERE domain = ? LIMIT 1", [args.domain]
 288         )
 289     elif args.software is not None and args.software != "":
 290         # Re-check single software
 291         logger.debug("Querying database for args.software='%s' ...", args.software)
 292         database.cursor.execute(
 293             "SELECT domain, software, origin, nodeinfo_url FROM instances WHERE software = ? AND nodeinfo_url IS NOT NULL ORDER BY total_blocks DESC, last_response_time ASC, last_updated ASC", [args.software]
 294         )
 295     elif args.only_none:
 296         # Check only entries with total_blocked=None
 297         database.cursor.execute(
 298             "SELECT domain, software, origin, nodeinfo_url FROM instances WHERE software IN ('pleroma', 'mastodon', 'lemmy', 'friendica', 'misskey') AND total_blocks IS NULL ORDER BY total_blocks DESC, last_response_time ASC, last_updated ASC"
 299         )
 300     else:
 301         # Re-check after "timeout" (aka. minimum interval)
 302         database.cursor.execute(
 303             "SELECT domain, software, origin, nodeinfo_url FROM instances WHERE software IN ('pleroma', 'mastodon', 'lemmy', 'friendica', 'misskey') AND nodeinfo_url IS NOT NULL ORDER BY total_blocks DESC, last_response_time ASC, last_updated ASC"
 304         )
 305
 306     rows = database.cursor.fetchall()
 307     logger.info("Checking %d entries ...", len(rows))
 308     for blocker, software, origin, nodeinfo_url in rows:
 309         logger.debug("blocker='%s',software='%s',origin='%s',nodeinfo_url='%s'", blocker, software, origin, nodeinfo_url)
 310
 311         if not domain_helper.is_wanted(blocker):
 312             logger.warning("blocker='%s' is not wanted - SKIPPED!", blocker)
 313             continue
 314         elif not args.force and instances.is_recent(blocker, "last_blocked"):
 315             logger.debug("blocker='%s' has been recently accessed - SKIPPED!", blocker)
 316             continue
 317
 318         logger.debug("Setting last_blocked,has_obfuscation=false for blocker='%s' ...", blocker)
 319         instances.set_last_blocked(blocker)
 320         instances.set_has_obfuscation(blocker, False)
 321
 322         # c.s isn't part of oliphant's "hidden" blocklists
 323         if blocker == "chaos.social" or software_helper.is_relay(software) or blocklists.has(blocker):
 324             logger.debug("Skipping blocker='%s', run ./fba.py fetch_cs, fetch_oliphant, fetch_csv instead!", blocker)
 325             continue
 326
 327         logger.debug("Invoking federation.fetch_blocks(%s) ...", blocker)
 328         blocking = federation.fetch_blocks(blocker)
 329
 330         logger.debug("blocker='%s',software='%s',blocking()=%d", blocker, software, len(blocking))
 331         if len(blocking) == 0:
 332             logger.debug("blocker='%s',software='%s' - fetching blocklist ...", blocker, software)
 333             if software == "pleroma":
 334                 blocking = pleroma.fetch_blocks(blocker)
 335                 logger.debug("blocker='%s' returned %d entries,software='%s'", blocker, len(blocking), software)
 336             elif software == "mastodon":
 337                 blocking = mastodon.fetch_blocks(blocker)
 338                 logger.debug("blocker='%s' returned %d entries,software='%s'", blocker, len(blocking), software)
 339             elif software == "lemmy":
 340                 blocking = lemmy.fetch_blocks(blocker)
 341                 logger.debug("blocker='%s' returned %d entries,software='%s'", blocker, len(blocking), software)
 342             elif software == "friendica":
 343                 blocking = friendica.fetch_blocks(blocker)
 344                 logger.debug("blocker='%s' returned %d entries,software='%s'", blocker, len(blocking), software)
 345             elif software == "misskey":
 346                 blocking = misskey.fetch_blocks(blocker)
 347                 logger.debug("blocker='%s' returned %d entries,software='%s'", blocker, len(blocking), software)
 348             else:
 349                 logger.warning("Unknown software: blocker='%s',software='%s'", blocker, software)
 350
 351         logger.debug("Invoking instances.set_total_blocks(%s, %d) ...", blocker, len(blocking))
 352         instances.set_total_blocks(blocker, blocking)
 353
 354         blockdict = list()
 355         deobfuscated = obfuscated = 0
 356
 357         logger.info("Checking %d entries from blocker='%s',software='%s' ...", len(blocking), blocker, software)
 358         for block in blocking:
 359             logger.debug("blocked='%s',block_level='%s',reason='%s'", block["blocked"], block["block_level"], block["reason"])
 360
 361             if block["block_level"] == "":
 362                 logger.warning("block_level is empty, blocker='%s',blocked='%s'", block["blocker"], block["blocked"])
 363                 continue
 364
 365             logger.debug("blocked='%s',reason='%s' - BEFORE!", block["blocked"], block["reason"])
 366             block["blocked"] = tidyup.domain(block["blocked"])
 367             block["reason"]  = tidyup.reason(block["reason"]) if block["reason"] is not None and block["reason"] != "" else None
 368             logger.debug("blocked='%s',reason='%s' - AFTER!", block["blocked"], block["reason"])
 369
 370             if block["blocked"] in [None, ""]:
 371                 logger.warning("block[blocked]='%s' is empty, blocker='%s'", block["blocked"], blocker)
 372                 continue
 373             elif block["blocked"].endswith(".onion"):
 374                 logger.debug("blocked='%s' is a TOR .onion domain - SKIPPED", block["blocked"])
 375                 continue
 376             elif block["blocked"].endswith(".i2p") and config.get("allow_i2p_domain") == "true":
 377                 logger.debug("blocked='%s' is an I2P .onion domain - SKIPPED", block["blocked"])
 378                 continue
 379             elif block["blocked"].endswith(".arpa"):
 380                 logger.debug("blocked='%s' is a reverse IP address - SKIPPED", block["blocked"])
 381                 continue
 382             elif block["blocked"].endswith(".tld"):
 383                 logger.debug("blocked='%s' is a fake domain - SKIPPED", block["blocked"])
 384                 continue
 385             elif block["blocked"].find("*") >= 0:
 386                 logger.debug("blocker='%s' uses obfuscated domains", blocker)
 387                 instances.set_has_obfuscation(blocker, True)
 388                 obfuscated = obfuscated + 1
 389
 390                 # Some friendica servers also obscure domains without hash
 391                 row = instances.deobfuscate("*", block["blocked"], block["digest"] if "digest" in block else None)
 392
 393                 logger.debug("row[]='%s'", type(row))
 394                 if row is None:
 395                     logger.warning("Cannot deobfuscate blocked='%s',blocker='%s',software='%s' - SKIPPED!", block["blocked"], blocker, software)
 396                     continue
 397
 398                 deobfuscated = deobfuscated + 1
 399                 block["blocked"] = row["domain"]
 400                 origin           = row["origin"]
 401                 nodeinfo_url     = row["nodeinfo_url"]
 402             elif block["blocked"].find("?") >= 0:
 403                 logger.debug("blocker='%s' uses obfuscated domains", blocker)
 404                 instances.set_has_obfuscation(blocker, True)
 405                 obfuscated = obfuscated + 1
 406
 407                 # Some obscure them with question marks, not sure if that's dependent on version or not
 408                 row = instances.deobfuscate("?", block["blocked"], block["digest"] if "digest" in block else None)
 409
 410                 logger.debug("row[]='%s'", type(row))
 411                 if row is None:
 412                     logger.warning("Cannot deobfuscate blocked='%s',blocker='%s',software='%s' - SKIPPED!", block["blocked"], blocker, software)
 413                     continue
 414
 415                 deobfuscated = deobfuscated + 1
 416                 block["blocked"] = row["domain"]
 417                 origin           = row["origin"]
 418                 nodeinfo_url     = row["nodeinfo_url"]
 419
 420             logger.debug("Looking up instance by domain, blocked='%s'", block["blocked"])
 421             if block["blocked"] in [None, ""]:
 422                 logger.debug("block[blocked]='%s' is empty - SKIPPED!", block["blocked"])
 423                 continue
 424
 425             logger.debug("block[blocked]='%s' - BEFORE!", block["blocked"])
 426             block["blocked"] = block["blocked"].lstrip(".").encode("idna").decode("utf-8")
 427             logger.debug("block[blocked]='%s' - AFTER!", block["blocked"])
 428
 429             if not domain_helper.is_wanted(block["blocked"]):
 430                 logger.debug("blocked='%s' is not wanted - SKIPPED!", block["blocked"])
 431                 continue
 432             elif block["block_level"] in ["accept", "accepted"]:
 433                 logger.debug("blocked='%s' is accepted, not wanted here - SKIPPED!", block["blocked"])
 434                 continue
 435             elif not instances.is_registered(block["blocked"]):
 436                 logger.debug("Hash wasn't found, adding: blocked='%s',blocker='%s'", block["blocked"], blocker)
 437                 federation.fetch_instances(block["blocked"], blocker, None, inspect.currentframe().f_code.co_name)
 438
 439             block["block_level"] = blocks.alias_block_level(block["block_level"])
 440
 441             if processing.block(blocker, block["blocked"], block["reason"], block["block_level"]) and block["block_level"] == "reject" and config.get("bot_enabled"):
 442                 logger.debug("Appending blocked='%s',reason='%s' for blocker='%s' ...", block["blocked"], block["block_level"], blocker)
 443                 blockdict.append({
 444                     "blocked": block["blocked"],
 445                     "reason" : block["reason"],
 446                 })
 447
 448             logger.debug("Invoking cookies.clear(%s) ...", block["blocked"])
 449             cookies.clear(block["blocked"])
 450
 451         logger.info("blocker='%s' has %d obfuscated domain(s) and %d of them could be deobfuscated.", blocker, obfuscated, deobfuscated)
 452         instances.set_obfuscated_blocks(blocker, obfuscated)
 453
 454         logger.debug("Flushing updates for blocker='%s' ...", blocker)
 455         instances.update(blocker)
 456
 457         logger.debug("Invoking commit() ...")
 458         database.connection.commit()
 459
 460         logger.debug("Invoking cookies.clear(%s) ...", blocker)
 461         cookies.clear(blocker)
 462
 463         logger.debug("config.get(bot_enabled)='%s',blockdict()=%d'", config.get("bot_enabled"), len(blockdict))
 464         if config.get("bot_enabled") and len(blockdict) > 0:
 465             logger.info("Sending bot POST for blocker='%s',blockdict()=%d ...", blocker, len(blockdict))
 466             network.send_bot_post(blocker, blockdict)
 467
 468     logger.debug("Success! - EXIT!")
 469     return 0
 470
 471 def fetch_observer(args: argparse.Namespace) -> int:
 472     logger.debug("args[]='%s' - CALLED!", type(args))
 473
 474     logger.debug("Invoking locking.acquire() ...")
 475     locking.acquire()
 476
 477     source_domain = "fediverse.observer"
 478     if sources.is_recent(source_domain):
 479         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
 480         return 1
 481     else:
 482         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
 483         sources.update(source_domain)
 484
 485     types = list()
 486     if args.software is None:
 487         logger.info("Fetching software list ...")
 488         raw = utils.fetch_url(
 489             f"https://{source_domain}",
 490             network.web_headers,
 491             (config.get("connection_timeout"), config.get("read_timeout"))
 492         ).text
 493         logger.debug("raw[%s]()=%d", type(raw), len(raw))
 494
 495         doc = bs4.BeautifulSoup(raw, features="html.parser")
 496         logger.debug("doc[]='%s'", type(doc))
 497
 498         navbar = doc.find("div", {"aria-labelledby": "navbarDropdownMenuSoftwares"})
 499         logger.debug("navbar[]='%s'", type(navbar))
 500         if navbar is None:
 501             logger.warning("Cannot find navigation bar, cannot continue!")
 502             return 1
 503
 504         items = navbar.findAll("a", {"class": "dropdown-item"})
 505         logger.debug("items[]='%s'", type(items))
 506
 507         logger.info("Checking %d menu items ...", len(items))
 508         for item in items:
 509             logger.debug("item[%s]='%s'", type(item), item)
 510             if item.text.lower() == "all":
 511                 logger.debug("Skipping 'All' menu entry ...")
 512                 continue
 513
 514             logger.debug("Appending item.text='%s' ...", item.text)
 515             types.append(tidyup.domain(item.text))
 516     else:
 517         logger.info("Adding args.software='%s' as type ...", args.software)
 518         types.append(args.software)
 519
 520     logger.info("Fetching %d different table data ...", len(types))
 521     for software in types:
 522         logger.debug("software='%s'", software)
 523
 524         if args.software is not None and args.software != software:
 525             logger.debug("args.software='%s' does not match software='%s' - SKIPPED!", args.software, software)
 526             continue
 527
 528         doc = None
 529         try:
 530             logger.debug("Fetching table data for software='%s' ...", software)
 531             raw = utils.fetch_url(
 532                 f"https://{source_domain}/app/views/tabledata.php?software={software}",
 533                 network.web_headers,
 534                 (config.get("connection_timeout"), config.get("read_timeout"))
 535             ).text
 536             logger.debug("raw[%s]()=%d", type(raw), len(raw))
 537
 538             doc = bs4.BeautifulSoup(raw, features="html.parser")
 539             logger.debug("doc[]='%s'", type(doc))
 540         except network.exceptions as exception:
 541             logger.warning("Cannot fetch software='%s' from source_domain='%s': '%s'", software, source_domain, type(exception))
 542             continue
 543
 544         items = doc.findAll("a", {"class": "url"})
 545         logger.info("Checking %d items,software='%s' ...", len(items), software)
 546         for item in items:
 547             logger.debug("item[]='%s'", type(item))
 548             domain = item.decode_contents()
 549             logger.debug("domain[%s]='%s'", type(domain), domain)
 550             domain = tidyup.domain(domain) if domain not in [None, ""] else None
 551             logger.debug("domain='%s' - AFTER!", domain)
 552
 553             if domain in [None, ""]:
 554                 logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
 555                 continue
 556
 557             logger.debug("domain='%s' - BEFORE!", domain)
 558             domain = domain.encode("idna").decode("utf-8")
 559             logger.debug("domain='%s' - AFTER!", domain)
 560
 561             if not domain_helper.is_wanted(domain):
 562                 logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
 563                 continue
 564             elif instances.is_registered(domain):
 565                 logger.debug("domain='%s' is already registered - SKIPPED!", domain)
 566                 continue
 567
 568             logger.info("Fetching instances for domain='%s'", domain)
 569             federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
 570
 571     logger.debug("Success! - EXIT!")
 572     return 0
 573
 574 def fetch_todon_wiki(args: argparse.Namespace) -> int:
 575     logger.debug("args[]='%s' - CALLED!", type(args))
 576
 577     logger.debug("Invoking locking.acquire() ...")
 578     locking.acquire()
 579
 580     source_domain = "wiki.todon.eu"
 581     if sources.is_recent(source_domain):
 582         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
 583         return 1
 584     else:
 585         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
 586         sources.update(source_domain)
 587
 588     blocklist = {
 589         "silenced": list(),
 590         "reject": list(),
 591     }
 592
 593     logger.debug("Fetching domainblocks from source_domain='%s'", source_domain)
 594     raw = utils.fetch_url(
 595         f"https://{source_domain}/todon/domainblocks",
 596         network.web_headers,
 597         (config.get("connection_timeout"), config.get("read_timeout"))
 598     ).text
 599     logger.debug("raw()=%d,raw[]='%s'", len(raw), type(raw))
 600
 601     doc = bs4.BeautifulSoup(raw, "html.parser")
 602     logger.debug("doc[]='%s'", type(doc))
 603
 604     silenced = doc.find("h3", {"id": "silencedlimited_servers"}).find_next("ul").findAll("li")
 605     logger.info("Checking %d silenced/limited entries ...", len(silenced))
 606     blocklist["silenced"] = utils.find_domains(silenced, "div")
 607
 608     suspended = doc.find("h3", {"id": "suspended_servers"}).find_next("ul").findAll("li")
 609     logger.info("Checking %d suspended entries ...", len(suspended))
 610     blocklist["reject"] = utils.find_domains(suspended, "div")
 611
 612     blocking = blocklist["silenced"] + blocklist["reject"]
 613     blocker = "todon.eu"
 614
 615     logger.debug("Invoking instances.set_total_blocks(%s, %d) ...", blocker, len(blocking))
 616     instances.set_last_blocked(blocker)
 617     instances.set_total_blocks(blocker, blocking)
 618
 619     blockdict = list()
 620     for block_level in blocklist:
 621         blockers = blocklist[block_level]
 622
 623         logger.debug("block_level='%s',blockers()=%d'", block_level, len(blockers))
 624         for blocked in blockers:
 625             logger.debug("blocked='%s'", blocked)
 626
 627             if not instances.is_registered(blocked):
 628                 try:
 629                     logger.info("Fetching instances from domain='%s' ...", blocked)
 630                     federation.fetch_instances(blocked, blocker, None, inspect.currentframe().f_code.co_name)
 631                 except network.exceptions as exception:
 632                     logger.warning("Exception '%s' during fetching instances (fetch_cs) from blocked='%s'", type(exception), blocked)
 633                     instances.set_last_error(blocked, exception)
 634
 635             if not domain_helper.is_wanted(blocked):
 636                 logger.warning("blocked='%s' is not wanted - SKIPPED!", blocked)
 637                 continue
 638             elif not domain_helper.is_wanted(blocker):
 639                 logger.warning("blocker='%s' is not wanted - SKIPPED!", blocker)
 640                 continue
 641             elif blocks.is_instance_blocked(blocker, blocked, block_level):
 642                 logger.debug("blocked='%s',block_level='%s' is already blocked - SKIPPED!", blocked, block_level)
 643                 continue
 644
 645             logger.info("Adding new block: blocked='%s',block_level='%s'", blocked, block_level)
 646             if processing.block(blocker, blocked, None, block_level) and block_level == "reject" and config.get("bot_enabled"):
 647                 logger.debug("Appending blocked='%s',reason='%s' for blocker='%s' ...", blocked, block_level, blocker)
 648                 blockdict.append({
 649                     "blocked": blocked,
 650                     "reason" : None,
 651                 })
 652
 653         logger.debug("Invoking commit() ...")
 654         database.connection.commit()
 655
 656         logger.debug("config.get(bot_enabled)='%s',blockdict()=%d", config.get("bot_enabled"), len(blockdict))
 657         if config.get("bot_enabled") and len(blockdict) > 0:
 658             logger.info("Sending bot POST for blocker='%s',blockdict()=%d ...", blocker, len(blockdict))
 659             network.send_bot_post(blocker, blockdict)
 660
 661     logger.debug("Checking if blocker='%s' has pending updates ...", blocker)
 662     if instances.has_pending(blocker):
 663         logger.debug("Flushing updates for blocker='%s' ...", blocker)
 664         instances.update(blocker)
 665
 666     logger.debug("Success! - EXIT!")
 667     return 0
 668
 669 def fetch_cs(args: argparse.Namespace):
 670     logger.debug("args[]='%s' - CALLED!", type(args))
 671
 672     logger.debug("Invoking locking.acquire() ...")
 673     locking.acquire()
 674
 675     extensions = [
 676         "extra",
 677         "abbr",
 678         "attr_list",
 679         "def_list",
 680         "fenced_code",
 681         "footnotes",
 682         "md_in_html",
 683         "admonition",
 684         "codehilite",
 685         "legacy_attrs",
 686         "legacy_em",
 687         "meta",
 688         "nl2br",
 689         "sane_lists",
 690         "smarty",
 691         "toc",
 692         "wikilinks"
 693     ]
 694
 695     blocklist = {
 696         "silenced": list(),
 697         "reject"  : list(),
 698     }
 699
 700     source_domain = "raw.githubusercontent.com"
 701     if sources.is_recent(source_domain):
 702         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
 703         return 1
 704     else:
 705         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
 706         sources.update(source_domain)
 707
 708     logger.info("Fetching federation.md from source_domain='%s' ...", source_domain)
 709     raw = utils.fetch_url(
 710         f"https://{source_domain}/chaossocial/meta/master/federation.md",
 711         network.web_headers,
 712         (config.get("connection_timeout"), config.get("read_timeout"))
 713     ).text
 714     logger.debug("raw()=%d,raw[]='%s'", len(raw), type(raw))
 715
 716     doc = bs4.BeautifulSoup(markdown.markdown(raw, extensions=extensions), features="html.parser")
 717     logger.debug("doc()=%d[]='%s'", len(doc), type(doc))
 718
 719     silenced = doc.find("h2", {"id": "silenced-instances"}).findNext("table").find("tbody")
 720     logger.debug("silenced[%s]()=%d", type(silenced), len(silenced))
 721     blocklist["silenced"] = federation.find_domains(silenced)
 722
 723     blocked = doc.find("h2", {"id": "blocked-instances"}).findNext("table").find("tbody")
 724     logger.debug("blocked[%s]()=%d", type(blocked), len(blocked))
 725     blocklist["reject"] = federation.find_domains(blocked)
 726
 727     blocking = blocklist["silenced"] + blocklist["reject"]
 728     blocker = "chaos.social"
 729
 730     logger.debug("Invoking instances.set_total_blocks(%s, %d) ...", blocker, len(blocking))
 731     instances.set_last_blocked(blocker)
 732     instances.set_total_blocks(blocker, blocking)
 733
 734     logger.debug("blocklist[silenced]()=%d,blocklist[reject]()=%d", len(blocklist["silenced"]), len(blocklist["reject"]))
 735     if len(blocking) > 0:
 736         blockdict = list()
 737         for block_level in blocklist:
 738             logger.info("block_level='%s' has %d row(s)", block_level, len(blocklist[block_level]))
 739
 740             for row in blocklist[block_level]:
 741                 logger.debug("row[%s]='%s'", type(row), row)
 742                 if not "domain" in row:
 743                     logger.warning("row[]='%s' has no element 'domain' - SKIPPED!", type(row))
 744                     continue
 745                 elif not instances.is_registered(row["domain"]):
 746                     try:
 747                         logger.info("Fetching instances from domain='%s' ...", row["domain"])
 748                         federation.fetch_instances(row["domain"], blocker, None, inspect.currentframe().f_code.co_name)
 749                     except network.exceptions as exception:
 750                         logger.warning("Exception '%s' during fetching instances (fetch_cs) from row[domain]='%s'", type(exception), row["domain"])
 751                         instances.set_last_error(row["domain"], exception)
 752
 753                 if processing.block(blocker, row["domain"], row["reason"], block_level) and block_level == "reject" and config.get("bot_enabled"):
 754                     logger.debug("Appending blocked='%s',reason='%s' for blocker='%s' ...", row["domain"], block_level, blocker)
 755                     blockdict.append({
 756                         "blocked": row["domain"],
 757                         "reason" : row["reason"],
 758                     })
 759
 760         logger.debug("Invoking commit() ...")
 761         database.connection.commit()
 762
 763         logger.debug("config.get(bot_enabled)='%s',blockdict()=%d", config.get("bot_enabled"), len(blockdict))
 764         if config.get("bot_enabled") and len(blockdict) > 0:
 765             logger.info("Sending bot POST for blocker='%s',blockdict()=%d ...", blocker, len(blockdict))
 766             network.send_bot_post(blocker, blockdict)
 767
 768     logger.debug("Checking if blocker='%s' has pending updates ...", blocker)
 769     if instances.has_pending(blocker):
 770         logger.debug("Flushing updates for blocker='%s' ...", blocker)
 771         instances.update(blocker)
 772
 773     logger.debug("Success! - EXIT!")
 774     return 0
 775
 776 def fetch_fba_rss(args: argparse.Namespace) -> int:
 777     logger.debug("args[]='%s' - CALLED!", type(args))
 778
 779     domains = list()
 780
 781     logger.debug("Invoking locking.acquire() ...")
 782     locking.acquire()
 783
 784     components = urlparse(args.feed)
 785     domain = components.netloc.lower().split(":")[0]
 786
 787     logger.debug("domain='%s'", domain)
 788     if sources.is_recent(domain):
 789         logger.info("API from domain='%s' has recently being accessed - EXIT!", domain)
 790         return 0
 791     else:
 792         logger.debug("domain='%s' has not been recently used, marking ...", domain)
 793         sources.update(domain)
 794
 795     logger.info("Fetch FBA-specific RSS args.feed='%s' ...", args.feed)
 796     response = utils.fetch_url(args.feed, network.web_headers, (config.get("connection_timeout"), config.get("read_timeout")))
 797
 798     logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
 799     if response.ok and response.status_code == 200 and len(response.text) > 0:
 800         logger.debug("Parsing RSS feed (%d Bytes) ...", len(response.text))
 801         rss = atoma.parse_rss_bytes(response.content)
 802
 803         logger.debug("rss[]='%s'", type(rss))
 804         for item in rss.items:
 805             logger.debug("item[%s]='%s'", type(item), item)
 806             domain = item.link.split("=")[1]
 807             domain = tidyup.domain(domain) if domain not in[None, ""] else None
 808
 809             logger.debug("domain='%s' - AFTER!", domain)
 810             if domain in [None, ""]:
 811                 logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
 812                 continue
 813
 814             logger.debug("domain='%s' - BEFORE!", domain)
 815             domain = domain.encode("idna").decode("utf-8")
 816             logger.debug("domain='%s' - AFTER!", domain)
 817
 818             if not domain_helper.is_wanted(domain):
 819                 logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
 820                 continue
 821             elif domain in domains:
 822                 logger.debug("domain='%s' is already added - SKIPPED!", domain)
 823                 continue
 824             elif instances.is_registered(domain):
 825                 logger.debug("domain='%s' is already registered - SKIPPED!", domain)
 826                 continue
 827             elif instances.is_recent(domain):
 828                 logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
 829                 continue
 830
 831             logger.debug("Adding domain='%s'", domain)
 832             domains.append(domain)
 833
 834     logger.debug("domains()=%d", len(domains))
 835     if len(domains) > 0:
 836         logger.info("Adding %d new instances ...", len(domains))
 837         for domain in domains:
 838             logger.debug("domain='%s'", domain)
 839             try:
 840                 logger.info("Fetching instances from domain='%s' ...", domain)
 841                 federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
 842             except network.exceptions as exception:
 843                 logger.warning("Exception '%s' during fetching instances (fetch_fba_rss) from domain='%s'", type(exception), domain)
 844                 instances.set_last_error(domain, exception)
 845                 return 100
 846
 847     logger.debug("Success! - EXIT!")
 848     return 0
 849
 850 def fetch_fbabot_atom(args: argparse.Namespace) -> int:
 851     logger.debug("args[]='%s' - CALLED!", type(args))
 852
 853     logger.debug("Invoking locking.acquire() ...")
 854     locking.acquire()
 855
 856     source_domain = "ryona.agency"
 857     feed = f"https://{source_domain}/users/fba/feed.atom"
 858
 859     logger.debug("args.feed[%s]='%s'", type(args.feed), args.feed)
 860     if args.feed is not None and validators.url(args.feed):
 861         logger.debug("Setting feed='%s' ...", args.feed)
 862         feed = str(args.feed)
 863         source_domain = urlparse(args.feed).netloc
 864
 865     if sources.is_recent(source_domain):
 866         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
 867         return 1
 868     else:
 869         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
 870         sources.update(source_domain)
 871
 872     domains = list()
 873
 874     logger.info("Fetching ATOM feed='%s' from FBA bot account ...", feed)
 875     response = utils.fetch_url(feed, network.web_headers, (config.get("connection_timeout"), config.get("read_timeout")))
 876
 877     logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
 878     if response.ok and response.status_code == 200 and len(response.text) > 0:
 879         logger.debug("Parsing ATOM feed (%d Bytes) ...", len(response.text))
 880         atom = atoma.parse_atom_bytes(response.content)
 881
 882         logger.debug("atom[]='%s'", type(atom))
 883         for entry in atom.entries:
 884             logger.debug("entry[]='%s'", type(entry))
 885             doc = bs4.BeautifulSoup(entry.content.value, "html.parser")
 886             logger.debug("doc[]='%s'", type(doc))
 887
 888             for element in doc.findAll("a"):
 889                 logger.debug("element[]='%s'", type(element))
 890                 for href in element["href"].split(","):
 891                     logger.debug("href[%s]='%s' - BEFORE!", type(href), href)
 892                     domain = tidyup.domain(href) if href not in [None, ""] else None
 893
 894                     logger.debug("domain='%s' - AFTER!", domain)
 895                     if domain in [None, ""]:
 896                         logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
 897                         continue
 898
 899                     logger.debug("domain='%s' - BEFORE!", domain)
 900                     domain = domain.encode("idna").decode("utf-8")
 901                     logger.debug("domain='%s' - AFTER!", domain)
 902
 903                     if not domain_helper.is_wanted(domain):
 904                         logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
 905                         continue
 906                     elif domain in domains:
 907                         logger.debug("domain='%s' is already added - SKIPPED!", domain)
 908                         continue
 909                     elif instances.is_registered(domain):
 910                         logger.debug("domain='%s' is already registered - SKIPPED!", domain)
 911                         continue
 912                     elif instances.is_recent(domain):
 913                         logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
 914                         continue
 915
 916                     logger.debug("Adding domain='%s',domains()=%d", domain, len(domains))
 917                     domains.append(domain)
 918
 919     logger.debug("domains()=%d", len(domains))
 920     if len(domains) > 0:
 921         logger.info("Adding %d new instances ...", len(domains))
 922         for domain in domains:
 923             logger.debug("domain='%s'", domain)
 924             try:
 925                 logger.info("Fetching instances from domain='%s' ...", domain)
 926                 federation.fetch_instances(domain, source_domain, None, inspect.currentframe().f_code.co_name)
 927             except network.exceptions as exception:
 928                 logger.warning("Exception '%s' during fetching instances (fetch_fbabot_atom) from domain='%s'", type(exception), domain)
 929                 instances.set_last_error(domain, exception)
 930                 return 100
 931
 932     logger.debug("Success! - EXIT!")
 933     return 0
 934
 935 def fetch_instances(args: argparse.Namespace) -> int:
 936     logger.debug("args[]='%s' - CALLED!", type(args))
 937
 938     logger.debug("args.domain='%s' - checking ...", args.domain)
 939     if not validators.domain(args.domain):
 940         logger.warning("args.domain='%s' is not valid.", args.domain)
 941         return 100
 942     elif blacklist.is_blacklisted(args.domain):
 943         logger.warning("args.domain='%s' is blacklisted, won't check it!", args.domain)
 944         return 101
 945
 946     logger.debug("Invoking locking.acquire() ...")
 947     locking.acquire()
 948
 949     # Initialize values
 950     domain = tidyup.domain(args.domain)
 951     origin = software = None
 952
 953     # Fetch record
 954     database.cursor.execute("SELECT origin, software FROM instances WHERE domain = ? LIMIT 1", [args.domain])
 955     row = database.cursor.fetchone()
 956     if row is not None:
 957         origin = row["origin"]
 958         software = row["software"]
 959
 960     if software is None:
 961         logger.warning("args.domain='%s' has no software detected. You can try to run ./fba.py update_nodeinfo --domain=%s --force to get it updated.", args.domain, args.domain)
 962         return 102
 963     elif software_helper.is_relay(software):
 964         logger.warning("args.domain='%s' is of software type '%s' which is not supported by this command. Please invoke fetch_relays instead.", args.domain, software)
 965         return 103
 966
 967     # Initial fetch
 968     try:
 969         logger.info("Fetching instances from args.domain='%s',origin='%s',software='%s' ...", domain, origin, software)
 970         federation.fetch_instances(domain, origin, software, inspect.currentframe().f_code.co_name)
 971     except network.exceptions as exception:
 972         logger.warning("Exception '%s' during fetching instances (fetch_instances) from args.domain='%s'", type(exception), args.domain)
 973         instances.set_last_error(args.domain, exception)
 974         instances.update(args.domain)
 975         return 104
 976
 977     if args.single:
 978         logger.debug("Not fetching more instances - EXIT!")
 979         return 0
 980
 981     # Loop through some instances
 982     database.cursor.execute(
 983         "SELECT domain, origin, software FROM instances WHERE software IN ('pleroma', 'mastodon', 'friendica', 'misskey', 'lemmy', 'peertube', 'takahe', 'gotosocial', 'brighteon', 'wildebeest', 'bookwyrm', 'mitra', 'areionskey', 'mammuthus', 'neodb') AND (last_instance_fetch IS NULL OR last_instance_fetch < ?) ORDER BY total_peers DESC, last_response_time ASC, last_updated ASC", [time.time() - config.get("recheck_instance")]
 984     )
 985
 986     rows = database.cursor.fetchall()
 987     logger.info("Checking %d entries ...", len(rows))
 988     for row in rows:
 989         logger.debug("row[domain]='%s'", row["domain"])
 990         if row["domain"] == "":
 991             logger.debug("row[domain] is empty - SKIPPED!")
 992             continue
 993
 994         logger.debug("row[domain]='%s' - BEFORE!", row["domain"])
 995         domain = row["domain"].encode("idna").decode("utf-8")
 996         logger.debug("domain='%s' - AFTER!", domain)
 997
 998         if not domain_helper.is_wanted(domain):
 999             logger.debug("Domain domain='%s' is not wanted - SKIPPED!", domain)
1000             continue
1001
1002         try:
1003             logger.info("Fetching instances for domain='%s',origin='%s',software='%s' ...", domain, row["origin"], row["software"])
1004             federation.fetch_instances(domain, row["origin"], row["software"], inspect.currentframe().f_code.co_name)
1005         except network.exceptions as exception:
1006             logger.warning("Exception '%s' during fetching instances (fetch_instances) from domain='%s'", type(exception), domain)
1007             instances.set_last_error(domain, exception)
1008
1009     logger.debug("Success - EXIT!")
1010     return 0
1011
1012 def fetch_csv(args: argparse.Namespace) -> int:
1013     logger.debug("args[]='%s' - CALLED!", type(args))
1014
1015     logger.debug("Invoking locking.acquire() ...")
1016     locking.acquire()
1017
1018     logger.info("Checking %d CSV files ...", len(blocklists.csv_files))
1019     for block in blocklists.csv_files:
1020         logger.debug("block[blocker]='%s',block[csv_url]='%s'", block["blocker"], block["csv_url"])
1021
1022         # Is domain given and not equal blocker?
1023         if isinstance(args.domain, str) and args.domain != block["blocker"]:
1024             logger.debug("Skipping blocker='%s', not matching args.domain='%s'", block["blocker"], args.domain)
1025             continue
1026
1027         logger.debug("Invoking processing.csv_block(%s, %s, fetch_csv) ...", block["blocker"], block["csv_url"])
1028         processing.csv_block(block["blocker"], block["csv_url"], inspect.currentframe().f_code.co_name)
1029
1030     logger.debug("Success - EXIT!")
1031     return 0
1032
1033 def fetch_oliphant(args: argparse.Namespace) -> int:
1034     logger.debug("args[]='%s' - CALLED!", type(args))
1035
1036     logger.debug("Invoking locking.acquire() ...")
1037     locking.acquire()
1038
1039     source_domain = "codeberg.org"
1040     if sources.is_recent(source_domain):
1041         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1042         return 1
1043     else:
1044         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1045         sources.update(source_domain)
1046
1047     # Base URL
1048     base_url = f"https://{source_domain}/oliphant/blocklists/raw/branch/main/blocklists"
1049
1050     logger.debug("Downloading %d files ...", len(blocklists.oliphant_blocklists))
1051     for block in blocklists.oliphant_blocklists:
1052         # Is domain given and not equal blocker?
1053         logger.debug("block[blocker]='%s',block[csv_url]='%s'", block["blocker"], block["csv_url"])
1054         if isinstance(args.domain, str) and args.domain != block["blocker"]:
1055             logger.debug("Skipping blocker='%s', not matching args.domain='%s'", block["blocker"], args.domain)
1056             continue
1057
1058         url = f"{base_url}/{block['csv_url']}"
1059
1060         logger.debug("Invoking processing.csv_block(%s, %s, fetch_oliphant) ...", block["blocker"], url)
1061         processing.csv_block(block["blocker"], url, inspect.currentframe().f_code.co_name)
1062
1063     logger.debug("Success! - EXIT!")
1064     return 0
1065
1066 def fetch_txt(args: argparse.Namespace) -> int:
1067     logger.debug("args[]='%s' - CALLED!", type(args))
1068
1069     logger.debug("Invoking locking.acquire() ...")
1070     locking.acquire()
1071
1072     logger.info("Checking %d text file(s) ...", len(blocklists.txt_files))
1073     for row in blocklists.txt_files:
1074         logger.debug("Fetching row[url]='%s' ...", row["url"])
1075         response = utils.fetch_url(row["url"], network.web_headers, (config.get("connection_timeout"), config.get("read_timeout")))
1076
1077         logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
1078         if response.ok and response.status_code == 200 and response.text != "":
1079             logger.debug("Returned %d Bytes for processing", len(response.text.strip()))
1080             domains = response.text.strip().split("\n")
1081
1082             logger.info("Processing %d domains ...", len(domains))
1083             for domain in domains:
1084                 logger.debug("domain='%s' - BEFORE!", domain)
1085                 domain = tidyup.domain(domain) if domain not in[None, ""] else None
1086
1087                 logger.debug("domain='%s' - AFTER!", domain)
1088                 if domain in [None, ""]:
1089                     logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1090                     continue
1091                 elif not domain_helper.is_wanted(domain):
1092                     logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1093                     continue
1094                 elif instances.is_recent(domain):
1095                     logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1096                     continue
1097
1098                 logger.debug("Processing domain='%s',row[blocker]='%s'", domain, row["blocker"])
1099                 processed = processing.instance(domain, row["blocker"], inspect.currentframe().f_code.co_name)
1100
1101                 logger.debug("processed='%s'", processed)
1102                 if not processed:
1103                     logger.debug("domain='%s' was not generically processed - SKIPPED!", domain)
1104                     continue
1105
1106     logger.debug("Success! - EXIT!")
1107     return 0
1108
1109 def fetch_fedipact(args: argparse.Namespace) -> int:
1110     logger.debug("args[]='%s' - CALLED!", type(args))
1111
1112     logger.debug("Invoking locking.acquire() ...")
1113     locking.acquire()
1114
1115     source_domain = "fedipact.online"
1116     if sources.is_recent(source_domain):
1117         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1118         return 1
1119     else:
1120         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1121         sources.update(source_domain)
1122
1123     logger.info("Fetching / from source_domain='%s' ...", source_domain)
1124     response = utils.fetch_url(
1125         f"https://{source_domain}",
1126         network.web_headers,
1127         (config.get("connection_timeout"), config.get("read_timeout"))
1128     )
1129
1130     logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
1131     if response.ok and response.status_code == 200 and response.text != "":
1132         logger.debug("Parsing %d Bytes ...", len(response.text))
1133
1134         doc = bs4.BeautifulSoup(response.text, "html.parser")
1135         logger.debug("doc[]='%s'", type(doc))
1136
1137         rows = doc.findAll("li")
1138         logger.info("Checking %d row(s) ...", len(rows))
1139         for row in rows:
1140             logger.debug("row[]='%s'", type(row))
1141             domain = tidyup.domain(row.contents[0]) if row.contents[0] not in [None, ""] else None
1142
1143             logger.debug("domain='%s' - AFTER!", domain)
1144             if domain in [None, ""]:
1145                 logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1146                 continue
1147
1148             logger.debug("domain='%s' - BEFORE!", domain)
1149             domain = domain.encode("idna").decode("utf-8")
1150             logger.debug("domain='%s' - AFTER!", domain)
1151
1152             if not domain_helper.is_wanted(domain):
1153                 logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1154                 continue
1155             elif instances.is_registered(domain):
1156                 logger.debug("domain='%s' is already registered - SKIPPED!", domain)
1157                 continue
1158             elif instances.is_recent(domain):
1159                 logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1160                 continue
1161
1162             logger.info("Fetching domain='%s' ...", domain)
1163             federation.fetch_instances(domain, "beach.city", None, inspect.currentframe().f_code.co_name)
1164
1165     logger.debug("Success! - EXIT!")
1166     return 0
1167
1168 def fetch_joinmobilizon(args: argparse.Namespace) -> int:
1169     logger.debug("args[]='%s' - CALLED!", type(args))
1170
1171     logger.debug("Invoking locking.acquire() ...")
1172     locking.acquire()
1173
1174     source_domain = "instances.joinmobilizon.org"
1175     if sources.is_recent(source_domain):
1176         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1177         return 1
1178     else:
1179         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1180         sources.update(source_domain)
1181
1182     logger.info("Fetching instances from source_domain='%s' ...", source_domain)
1183     raw = utils.fetch_url(
1184         f"https://{source_domain}/api/v1/instances",
1185         network.web_headers,
1186         (config.get("connection_timeout"), config.get("read_timeout"))
1187     ).text
1188     logger.debug("raw()=%d,raw[]='%s'", len(raw), type(raw))
1189
1190     parsed = json.loads(raw)
1191     logger.debug("parsed[%s]()=%d", type(parsed), len(parsed))
1192
1193     if "data" not in parsed:
1194         logger.warning("parsed()=%d does not contain key 'data'")
1195         return 1
1196
1197     logger.info("Checking %d instances ...", len(parsed["data"]))
1198     for row in parsed["data"]:
1199         logger.debug("row[]='%s'", type(row))
1200         if "host" not in row:
1201             logger.warning("row='%s' does not contain key 'host' - SKIPPED!", row)
1202             continue
1203         elif not domain_helper.is_wanted(row["host"]):
1204             logger.debug("row[host]='%s' is not wanted - SKIPPED!", row["host"])
1205             continue
1206         elif instances.is_registered(row["host"]):
1207             logger.debug("row[host]='%s' is already registered - SKIPPED!", row["host"])
1208             continue
1209
1210         logger.info("Fetching row[host]='%s' ...", row["host"])
1211         federation.fetch_instances(row["host"], "demo.mobilizon.org", None, inspect.currentframe().f_code.co_name)
1212
1213     logger.debug("Success! - EXIT!")
1214     return 0
1215
1216 def fetch_joinmisskey(args: argparse.Namespace) -> int:
1217     logger.debug("args[]='%s' - CALLED!", type(args))
1218
1219     logger.debug("Invoking locking.acquire() ...")
1220     locking.acquire()
1221
1222     source_domain = "instanceapp.misskey.page"
1223     if sources.is_recent(source_domain):
1224         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1225         return 1
1226     else:
1227         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1228         sources.update(source_domain)
1229
1230     logger.info("Fetching instances.json from source_domain='%s' ...", source_domain)
1231     raw = utils.fetch_url(
1232         f"https://{source_domain}/instances.json",
1233         network.web_headers,
1234         (config.get("connection_timeout"), config.get("read_timeout"))
1235     ).text
1236     logger.debug("raw()=%d,raw[]='%s'", len(raw), type(raw))
1237
1238     parsed = json.loads(raw)
1239     logger.debug("parsed[%s]()=%d", type(parsed), len(parsed))
1240
1241     if "instancesInfos" not in parsed:
1242         logger.warning("parsed()=%d does not contain element 'instancesInfos'")
1243         return 1
1244
1245     logger.info("Checking %d instane(s) ...", len(parsed["instancesInfos"]))
1246     for row in parsed["instancesInfos"]:
1247         logger.debug("row[%s]='%s'", type(row), row)
1248         if "url" not in row:
1249             logger.warning("row()=%d does not have element 'url' - SKIPPED!", len(row))
1250             continue
1251         elif not domain_helper.is_wanted(row["url"]):
1252             logger.debug("row[url]='%s' is not wanted - SKIPPED!", row["url"])
1253             continue
1254         elif instances.is_registered(row["url"]):
1255             logger.debug("row[url]='%s' is already registered - SKIPPED!", row["url"])
1256             continue
1257
1258         logger.info("Fetching row[url]='%s' ...", row["url"])
1259         federation.fetch_instances(row["url"], "misskey.io", None, inspect.currentframe().f_code.co_name)
1260
1261     logger.debug("Success! - EXIT!")
1262     return 0
1263
1264 def recheck_obfuscation(args: argparse.Namespace) -> int:
1265     logger.debug("args[]='%s' - CALLED!", type(args))
1266
1267     logger.debug("Invoking locking.acquire() ...")
1268     locking.acquire()
1269
1270     if isinstance(args.domain, str) and args.domain != "" and domain_helper.is_wanted(args.domain):
1271         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE (has_obfuscation = 1 OR has_obfuscation IS NULL) AND domain = ?", [args.domain])
1272     elif isinstance(args.software, str) and args.software != "" and validators.domain(args.software) == args.software:
1273         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE (has_obfuscation = 1 OR has_obfuscation IS NULL) AND software = ?", [args.software])
1274     else:
1275         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE has_obfuscation = 1 OR has_obfuscation IS NULL")
1276
1277     rows = database.cursor.fetchall()
1278     logger.info("Checking %d domains ...", len(rows))
1279     for row in rows:
1280         logger.debug("Fetching peers from domain='%s',software='%s',nodeinfo_url='%s' ...", row["domain"], row["software"], row["nodeinfo_url"])
1281         if (args.force is None or not args.force) and args.domain is None and args.software is None and instances.is_recent(row["domain"], "last_blocked"):
1282             logger.debug("row[domain]='%s' has been recently checked, args.force[]='%s' - SKIPPED!", row["domain"], type(args.force))
1283             continue
1284
1285         logger.debug("Invoking federation.fetch_blocks(%s) ...", row["domain"])
1286         blocking = federation.fetch_blocks(row["domain"])
1287
1288         logger.debug("blocking()=%d", len(blocking))
1289         if len(blocking) == 0:
1290             logger.debug("Empty blocking list, trying individual fetch_blocks() for row[software]='%s' ...", row["software"])
1291             if row["software"] == "pleroma":
1292                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1293                 blocking = pleroma.fetch_blocks(row["domain"])
1294             elif row["software"] == "mastodon":
1295                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1296                 blocking = mastodon.fetch_blocks(row["domain"])
1297             elif row["software"] == "lemmy":
1298                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1299                 blocking = lemmy.fetch_blocks(row["domain"])
1300             elif row["software"] == "friendica":
1301                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1302                 blocking = friendica.fetch_blocks(row["domain"])
1303             elif row["software"] == "misskey":
1304                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1305                 blocking = misskey.fetch_blocks(row["domain"])
1306             else:
1307                 logger.warning("Unknown software: domain='%s',software='%s'", row["domain"], row["software"])
1308
1309         # c.s isn't part of oliphant's "hidden" blocklists
1310         logger.debug("row[domain]='%s'", row["domain"])
1311         if row["domain"] != "chaos.social" and row["software"] is not None and not software_helper.is_relay(row["software"]) and not blocklists.has(row["domain"]):
1312             logger.debug("Invoking instances.set_total_blocks(%s, %d) ...", row["domain"], len(blocking))
1313             instances.set_last_blocked(row["domain"])
1314             instances.set_total_blocks(row["domain"], blocking)
1315
1316         obfuscated = 0
1317         blockdict = list()
1318
1319         logger.info("Checking %d block(s) from domain='%s' ...", len(blocking), row["domain"])
1320         for block in blocking:
1321             logger.debug("block[blocked]='%s'", block["blocked"])
1322             blocked = None
1323
1324             if block["blocked"] == "":
1325                 logger.debug("block[blocked] is empty - SKIPPED!")
1326                 continue
1327             elif block["blocked"].endswith(".onion"):
1328                 logger.debug("blocked='%s' is a TOR onion domain name - SKIPPED!", block["blocked"])
1329                 continue
1330             elif block["blocked"].endswith(".i2p") and config.get("allow_i2p_domain") == "true":
1331                 logger.debug("blocked='%s' is an I2P onion domain name - SKIPPED!", block["blocked"])
1332                 continue
1333             elif block["blocked"].endswith(".arpa"):
1334                 logger.debug("blocked='%s' is a reversed IP address - SKIPPED!", block["blocked"])
1335                 continue
1336             elif block["blocked"].endswith(".tld"):
1337                 logger.debug("blocked='%s' is a fake domain name - SKIPPED!", block["blocked"])
1338                 continue
1339             elif block["blocked"].find("*") >= 0 or block["blocked"].find("?") >= 0:
1340                 logger.debug("block='%s' is obfuscated.", block["blocked"])
1341                 obfuscated = obfuscated + 1
1342                 blocked = utils.deobfuscate(block["blocked"], row["domain"], block["digest"] if "digest" in block else None)
1343             elif not domain_helper.is_wanted(block["blocked"]):
1344                 logger.debug("blocked='%s' is not wanted - SKIPPED!", block["blocked"])
1345                 continue
1346             elif blocks.is_instance_blocked(row["domain"], block["blocked"]):
1347                 logger.debug("blocked='%s' is already blocked - SKIPPED!", block["blocked"])
1348                 continue
1349
1350             logger.debug("blocked[%s]='%s',block[blocked]='%s'", type(blocked), blocked, block["blocked"])
1351             if blocked is not None and blocked != block["blocked"]:
1352                 logger.debug("blocked='%s' was deobfuscated to blocked='%s'", block["blocked"], blocked)
1353                 obfuscated = obfuscated - 1
1354
1355                 if blacklist.is_blacklisted(blocked):
1356                     logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
1357                     continue
1358                 elif blacklist.is_blacklisted(row["domain"]):
1359                     logger.debug("row[domain]='%s' is blacklisted - SKIPPED!", row["domain"])
1360                     continue
1361                 elif blocks.is_instance_blocked(row["domain"], blocked):
1362                     logger.debug("blocked='%s' is already blocked by domain='%s' - SKIPPED!", blocked, row["domain"])
1363                     continue
1364
1365                 block["block_level"] = blocks.alias_block_level(block["block_level"])
1366
1367                 logger.info("blocked='%s' has been deobfuscated to blocked='%s', adding ...", block["blocked"], blocked)
1368                 if processing.block(row["domain"], blocked, block["reason"], block["block_level"]) and block["block_level"] == "reject" and config.get("bot_enabled"):
1369                     logger.debug("Appending blocked='%s',reason='%s' for blocker='%s' ...", block["blocked"], block["block_level"], row["domain"])
1370                     blockdict.append({
1371                         "blocked": blocked,
1372                         "reason" : block["reason"],
1373                     })
1374
1375         logger.debug("Setting obfuscated=%d for row[domain]='%s' ...", obfuscated, row["domain"])
1376         instances.set_has_obfuscation(row["domain"], (obfuscated > 0))
1377         instances.set_obfuscated_blocks(row["domain"], obfuscated)
1378
1379         logger.info("domain='%s' has %d obfuscated domain(s)", row["domain"], obfuscated)
1380         if instances.has_pending(row["domain"]):
1381             logger.debug("Flushing updates for blocker='%s' ...", row["domain"])
1382             instances.update(row["domain"])
1383
1384         logger.debug("Invoking commit() ...")
1385         database.connection.commit()
1386
1387         logger.debug("config.get(bot_enabled)='%s',blockdict()=%d", config.get("bot_enabled"), len(blockdict))
1388         if config.get("bot_enabled") and len(blockdict) > 0:
1389             logger.info("Sending bot POST for blocker='%s,blockdict()=%d ...", row["domain"], len(blockdict))
1390             network.send_bot_post(row["domain"], blockdict)
1391
1392     logger.debug("Success! - EXIT!")
1393     return 0
1394
1395 def fetch_fedilist(args: argparse.Namespace) -> int:
1396     logger.debug("args[]='%s' - CALLED!", type(args))
1397
1398     logger.debug("Invoking locking.acquire() ...")
1399     locking.acquire()
1400
1401     source_domain = "demo.fedilist.com"
1402     if sources.is_recent(source_domain):
1403         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1404         return 1
1405     else:
1406         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1407         sources.update(source_domain)
1408
1409     url = f"http://{source_domain}/instance/csv?onion=not"
1410     if args.software is not None and args.software != "":
1411         logger.debug("args.software='%s'", args.software)
1412         url = f"http://{source_domain}/instance/csv?software={args.software}&onion=not"
1413
1414     logger.info("Fetching url='%s' ...", url)
1415     response = reqto.get(
1416         url,
1417         headers=network.web_headers,
1418         timeout=(config.get("connection_timeout"), config.get("read_timeout")),
1419         allow_redirects=False
1420     )
1421
1422     logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
1423     if not response.ok or response.status_code > 200 or len(response.content) == 0:
1424         logger.warning("Failed fetching url='%s': response.ok='%s',response.status_code=%d,response.content()=%d - EXIT!", url, response.ok, response.status_code, len(response.text))
1425         return 1
1426
1427     reader = csv.DictReader(response.content.decode("utf-8").splitlines(), dialect="unix")
1428
1429     logger.debug("reader[]='%s'", type(reader))
1430     if reader is None:
1431         logger.warning("Failed parsing response.content()=%d as CSV content", len(response.content))
1432         return 2
1433
1434     rows = list(reader)
1435
1436     logger.info("Checking %d rows ...", len(rows))
1437     for row in rows:
1438         logger.debug("row[]='%s'", type(row))
1439         if "hostname" not in row:
1440             logger.warning("row()=%d has no element 'hostname' - SKIPPED!", len(row))
1441             continue
1442
1443         logger.debug("row[hostname]='%s' - BEFORE!", row["hostname"])
1444         domain = tidyup.domain(row["hostname"]) if row["hostname"] not in [None, ""] else None
1445         logger.debug("domain='%s' - AFTER!", domain)
1446
1447         if domain in [None, ""]:
1448             logger.debug("domain='%s' is empty after tidyup.domain(): row[hostname]='%s' - SKIPPED!", domain, row["hostname"])
1449             continue
1450
1451         logger.debug("domain='%s' - BEFORE!", domain)
1452         domain = domain.encode("idna").decode("utf-8")
1453         logger.debug("domain='%s' - AFTER!", domain)
1454
1455         if not domain_helper.is_wanted(domain):
1456             logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1457             continue
1458         elif (args.force is None or not args.force) and instances.is_registered(domain):
1459             logger.debug("domain='%s' is already registered, --force not specified: args.force[]='%s'", domain, type(args.force))
1460             continue
1461         elif instances.is_recent(domain):
1462             logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1463             continue
1464
1465         logger.info("Fetching instances from domain='%s' ...", domain)
1466         federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
1467
1468     logger.debug("Success! - EXIT!")
1469     return 0
1470
1471 def update_nodeinfo(args: argparse.Namespace) -> int:
1472     logger.debug("args[]='%s' - CALLED!", type(args))
1473
1474     logger.debug("Invoking locking.acquire() ...")
1475     locking.acquire()
1476
1477     if args.domain is not None and args.domain != "":
1478         logger.debug("Fetching args.domain='%s'", args.domain)
1479         database.cursor.execute("SELECT domain, software FROM instances WHERE domain = ? LIMIT 1", [args.domain])
1480     elif args.software is not None and args.software != "":
1481         logger.info("Fetching domains for args.software='%s'", args.software)
1482         database.cursor.execute("SELECT domain, software FROM instances WHERE software = ? ORDER BY last_updated ASC", [args.software])
1483     elif args.mode is not None and args.mode != "":
1484         logger.info("Fetching domains for args.mode='%s'", args.mode.upper())
1485         database.cursor.execute("SELECT domain, software FROM instances WHERE detection_mode = ? ORDER BY last_updated ASC", [args.mode])
1486     elif args.no_software:
1487         logger.info("Fetching domains with no software type detected ...")
1488         database.cursor.execute("SELECT domain, software FROM instances WHERE software IS NULL ORDER BY last_updated ASC")
1489     elif args.no_auto:
1490         logger.info("Fetching domains with other detection mode than AUTO_DISOVERY being set ...")
1491         database.cursor.execute("SELECT domain, software FROM instances WHERE detection_mode IS NOT NULL AND detection_mode != 'AUTO_DISCOVERY' ORDER BY last_updated ASC")
1492     elif args.no_detection:
1493         logger.info("Fetching domains with no detection mode being set ...")
1494         database.cursor.execute("SELECT domain, software FROM instances WHERE detection_mode IS NULL ORDER BY last_updated ASC")
1495     else:
1496         logger.info("Fetching domains for recently updated ...")
1497         database.cursor.execute("SELECT domain, software FROM instances ORDER BY last_updated ASC")
1498
1499     domains = database.cursor.fetchall()
1500
1501     logger.info("Checking %d domain(s) ...", len(domains))
1502     cnt = 0
1503     for row in domains:
1504         logger.debug("row[]='%s'", type(row))
1505         if not args.force and instances.is_recent(row["domain"], "last_nodeinfo"):
1506             logger.debug("row[domain]='%s' has been recently checked - SKIPPED!", row["domain"])
1507             continue
1508         elif blacklist.is_blacklisted(row["domain"]):
1509             logger.debug("row[domain]='%s' is blacklisted - SKIPPED!", row["domain"])
1510             continue
1511
1512         try:
1513             logger.info("Checking nodeinfo for row[domain]='%s',row[software]='%s' (%s%%) ...", row["domain"], row["software"], "{:5.1f}".format(cnt / len(domains) * 100))
1514             software = federation.determine_software(row["domain"])
1515
1516             logger.debug("Determined software='%s'", software)
1517             if (software != row["software"] and software is not None) or args.force is True:
1518                 logger.debug("software='%s'", software)
1519                 if software is None:
1520                     logger.debug("Setting nodeinfo_url to 'None' for row[domain]='%s' ...", row["domain"])
1521                     instances.set_nodeinfo_url(row["domain"], None)
1522
1523                 logger.warning("Software type for row[domain]='%s' has changed from '%s' to '%s'!", row["domain"], row["software"], software)
1524                 instances.set_software(row["domain"], software)
1525
1526             if software is not None:
1527                 logger.debug("Setting row[domain]='%s' as successfully determined ...", row["domain"])
1528                 instances.set_success(row["domain"])
1529         except network.exceptions as exception:
1530             logger.warning("Exception '%s' during updating nodeinfo for row[domain]='%s'", type(exception), row["domain"])
1531             instances.set_last_error(row["domain"], exception)
1532
1533         instances.set_last_nodeinfo(row["domain"])
1534         instances.update(row["domain"])
1535         cnt = cnt + 1
1536
1537     logger.debug("Success! - EXIT!")
1538     return 0
1539
1540 def fetch_instances_social(args: argparse.Namespace) -> int:
1541     logger.debug("args[]='%s' - CALLED!", type(args))
1542
1543     logger.debug("Invoking locking.acquire() ...")
1544     locking.acquire()
1545
1546     source_domain = "instances.social"
1547
1548     if config.get("instances_social_api_key") == "":
1549         logger.error("API key not set. Please set in your config.json file.")
1550         return 1
1551     elif sources.is_recent(source_domain):
1552         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1553         return 2
1554     else:
1555         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1556         sources.update(source_domain)
1557
1558     headers = {
1559         "Authorization": f"Bearer {config.get('instances_social_api_key')}",
1560     }
1561
1562     logger.info("Fetching list from source_domain='%s' ...", source_domain)
1563     fetched = network.get_json_api(
1564         source_domain,
1565         "/api/1.0/instances/list?count=0&sort_by=name",
1566         headers=headers,
1567         timeout=(config.get("connection_timeout"), config.get("read_timeout"))
1568     )
1569     logger.debug("fetched(%d)[]='%s'", len(fetched), type(fetched))
1570
1571     if "error_message" in fetched:
1572         logger.warning("Error during fetching API result: '%s' - EXIT!", fetched["error_message"])
1573         return 2
1574     elif "exception" in fetched:
1575         logger.warning("Exception '%s' during fetching API result - EXIT!", type(fetched["exception"]))
1576         return 3
1577     elif "json" not in fetched:
1578         logger.warning("fetched has no element 'json' - EXIT!")
1579         return 4
1580     elif "instances" not in fetched["json"]:
1581         logger.warning("fetched[row] has no element 'instances' - EXIT!")
1582         return 5
1583
1584     domains = list()
1585     rows = fetched["json"]["instances"]
1586
1587     logger.info("Checking %d row(s) ...", len(rows))
1588     for row in rows:
1589         logger.debug("row[]='%s'", type(row))
1590         domain = tidyup.domain(row["name"]) if row["name"] not in [None, ""] else None
1591         logger.debug("domain='%s' - AFTER!", domain)
1592
1593         if domain is None and domain == "":
1594             logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1595             continue
1596
1597         logger.debug("domain='%s' - BEFORE!", domain)
1598         domain = domain.encode("idna").decode("utf-8")
1599         logger.debug("domain='%s' - AFTER!", domain)
1600
1601         if not domain_helper.is_wanted(domain):
1602             logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1603             continue
1604         elif domain in domains:
1605             logger.debug("domain='%s' is already added - SKIPPED!", domain)
1606             continue
1607         elif instances.is_registered(domain):
1608             logger.debug("domain='%s' is already registered - SKIPPED!", domain)
1609             continue
1610         elif instances.is_recent(domain):
1611             logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1612             continue
1613
1614         logger.info("Fetching instances from domain='%s'", domain)
1615         federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
1616
1617     logger.debug("Success! - EXIT!")
1618     return 0
1619
1620 def fetch_relaylist(args: argparse.Namespace) -> int:
1621     logger.debug("args[]='%s' - CALLED!", type(args))
1622
1623     logger.debug("Invoking locking.acquire() ...")
1624     locking.acquire()
1625
1626     source_domain = "api.relaylist.com"
1627
1628     if sources.is_recent(source_domain):
1629         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1630         return 1
1631     else:
1632         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1633         sources.update(source_domain)
1634
1635     logger.info("Fetching list from source_domain='%s' ...", source_domain)
1636     fetched = network.get_json_api(
1637         source_domain,
1638         "/relays",
1639         {},
1640         (config.get("connection_timeout"), config.get("read_timeout"))
1641     )
1642     logger.debug("fetched(%d)[]='%s'", len(fetched), type(fetched))
1643
1644     if "error_message" in fetched:
1645         logger.warning("Error during fetching API result: '%s' - EXIT!", fetched["error_message"])
1646         return 2
1647     elif "exception" in fetched:
1648         logger.warning("Exception '%s' during fetching API result - EXIT!", type(fetched["exception"]))
1649         return 3
1650     elif "json" not in fetched:
1651         logger.warning("fetched has no element 'json' - EXIT!")
1652         return 4
1653
1654     domains = list()
1655
1656     logger.info("Checking %d row(s) ...", len(fetched["json"]))
1657     for row in fetched["json"]:
1658         logger.debug("row[]='%s'", type(row))
1659         domain = urlparse(row["url"]).netloc.lower().split(":")[0]
1660         logger.debug("domain='%s' - AFTER!", domain)
1661
1662         if domain is None and domain == "":
1663             logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1664             continue
1665
1666         logger.debug("domain='%s' - BEFORE!", domain)
1667         domain = domain.encode("idna").decode("utf-8")
1668         logger.debug("domain='%s' - AFTER!", domain)
1669
1670         if not domain_helper.is_wanted(domain):
1671             logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1672             continue
1673         elif domain in domains:
1674             logger.debug("domain='%s' is already added - SKIPPED!", domain)
1675             continue
1676         elif instances.is_registered(domain):
1677             logger.debug("domain='%s' is already registered - SKIPPED!", domain)
1678             continue
1679         elif instances.is_recent(domain):
1680             logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1681             continue
1682
1683         logger.info("Fetching instances from domain='%s'", domain)
1684         federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
1685
1686     logger.debug("Success! - EXIT!")
1687     return 0
1688
1689 def fetch_relays(args: argparse.Namespace) -> int:
1690     logger.debug("args[]='%s' - CALLED!", type(args))
1691
1692     logger.debug("Invoking locking.acquire() ...")
1693     locking.acquire()
1694
1695     if args.domain is not None and args.domain != "":
1696         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE software IN ('activityrelay', 'aoderelay', 'selective-relay', 'pub-relay') AND domain = ? LIMIT 1", [args.domain])
1697     elif args.software is not None and args.software != "":
1698         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE software IN ('activityrelay', 'aoderelay', 'selective-relay', 'pub-relay') AND software = ?", [args.software])
1699     else:
1700         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE software IN ('activityrelay', 'aoderelay', 'selective-relay', 'pub-relay')")
1701
1702     domains = list()
1703     rows = database.cursor.fetchall()
1704
1705     logger.info("Checking %d relays ...", len(rows))
1706     for row in rows:
1707         logger.debug("row[domain]='%s',row[software]='%s' ...", row["domain"], row["software"])
1708         peers = list()
1709         if not args.force and instances.is_recent(row["domain"]):
1710             logger.debug("row[domain]='%s' has been recently fetched - SKIPPED!", row["domain"])
1711             continue
1712
1713         try:
1714             if row["software"] == "pub-relay":
1715                 logger.info("Fetching row[nodeinfo_url]='%s' from relay row[domain]='%s',row[software]='%s' ...", row["nodeinfo_url"], row["domain"], row["software"])
1716                 raw = network.fetch_api_url(
1717                     row["nodeinfo_url"],
1718                     (config.get("connection_timeout"), config.get("read_timeout"))
1719                 )
1720
1721                 logger.debug("raw[%s]()=%d", type(raw), len(raw))
1722                 if "exception" in raw:
1723                     logger.warning("row[domain]='%s' has caused an exception: '%s' - raising again ...", row["domain"], type(raw["exception"]))
1724                     raise raw["exception"]
1725                 elif "error_message" in raw:
1726                     logger.warning("row[domain]='%s' has caused error message: '%s' - SKIPPED!", row["domain"], raw["error_message"])
1727                     instances.set_last_error(row["domain"], raw)
1728                     instances.set_last_instance_fetch(row["domain"])
1729                     instances.update(row["domain"])
1730                     continue
1731                 elif "json" not in raw:
1732                     logger.warning("raw()=%d does not contain key 'json' in response - SKIPPED!", len(raw))
1733                     continue
1734                 elif not "metadata" in raw["json"]:
1735                     logger.warning("raw[json]()=%d does not contain key 'json' in response - SKIPPED!", len(raw["json"]))
1736                     continue
1737                 elif not "peers" in raw["json"]["metadata"]:
1738                     logger.warning("raw[json][metadata()=%d does not contain key 'json' in response - SKIPPED!", len(raw["json"]["metadata"]))
1739                     continue
1740             else:
1741                 logger.info("Fetching / from relay row[domain]='%s',row[software]='%s' ...", row["domain"], row["software"])
1742                 raw = utils.fetch_url(
1743                     f"https://{row['domain']}",
1744                     network.web_headers,
1745                     (config.get("connection_timeout"), config.get("read_timeout"))
1746                 ).text
1747                 logger.debug("raw[%s]()=%d", type(raw), len(raw))
1748
1749                 doc = bs4.BeautifulSoup(raw, features="html.parser")
1750                 logger.debug("doc[]='%s'", type(doc))
1751
1752         except network.exceptions as exception:
1753             logger.warning("Exception '%s' during fetching from relay '%s': '%s'", type(exception), row["domain"], str(exception))
1754             instances.set_last_error(row["domain"], exception)
1755             instances.set_last_instance_fetch(row["domain"])
1756             instances.update(row["domain"])
1757             continue
1758
1759         logger.debug("row[software]='%s'", row["software"])
1760         if row["software"] == "activityrelay":
1761             logger.debug("Checking row[domain]='%s' ...", row["domain"])
1762             tags = doc.findAll("p")
1763
1764             logger.debug("Checking %d paragraphs ...", len(tags))
1765             for tag in tags:
1766                 logger.debug("tag[]='%s'", type(tag))
1767                 if len(tag.contents) == 0:
1768                     logger.debug("tag='%s' is an empty tag - SKIPPED!", tag)
1769                     continue
1770                 elif "registered instances" not in tag.contents[0]:
1771                     logger.debug("Skipping paragraph, text not found.")
1772                     continue
1773
1774                 logger.debug("Found tag.contents[0][]='%s'", tag.contents[0])
1775                 for domain in tag.contents:
1776                     logger.debug("domain[%s]='%s'", type(domain), domain)
1777                     if not isinstance(domain, bs4.element.NavigableString) or "registered instances" in domain:
1778                         continue
1779
1780                     domain = str(domain)
1781                     logger.debug("domain='%s'", domain)
1782                     if not domain_helper.is_wanted(domain):
1783                         logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1784                         continue
1785
1786                     logger.debug("domain='%s' - BEFORE!", domain)
1787                     domain = tidyup.domain(domain) if domain not in[None, ""] else None
1788                     logger.debug("domain='%s' - AFTER!", domain)
1789
1790                     if domain in [None, ""]:
1791                         logger.debug("domain='%s' is empty after tidyup.domain() from origin='%s' - SKIPPED!", domain, row["domain"])
1792                         continue
1793                     elif domain not in peers:
1794                         logger.debug("Appending domain='%s' to peers list for relay='%s' ...", domain, row["domain"])
1795                         peers.append(domain)
1796
1797                     logger.debug("domains()=%d,domain='%s'", len(domains), domain)
1798                     if dict_helper.has_key(domains, "domain", domain):
1799                         logger.debug("domain='%s' already added", domain)
1800                         continue
1801
1802                     logger.debug("Appending domain='%s',origin='%s',software='%s' ...", domain, row["domain"], row["software"])
1803                     domains.append({
1804                         "domain": domain,
1805                         "origin": row["domain"],
1806                     })
1807         elif row["software"] in ["aoderelay", "selective-relay"]:
1808             logger.debug("Checking row[domain]='%s' ...", row["domain"])
1809             if row["software"] == "aoderelay":
1810                 tags = doc.findAll("section", {"class": "instance"})
1811             else:
1812                 tags = doc.find("div", {"id": "instances"}).findAll("li")
1813
1814             logger.debug("Checking %d tags ...", len(tags))
1815             for tag in tags:
1816                 logger.debug("tag[]='%s'", type(tag))
1817
1818                 link = tag.find("a")
1819                 logger.debug("link[%s]='%s'", type(link), link)
1820                 if not isinstance(link, bs4.element.Tag):
1821                     logger.warning("tag[%s]='%s' is not type of 'bs4.element.Tag' - SKIPPED!", type(tag), tag)
1822                     continue
1823
1824                 components = urlparse(link.get("href"))
1825                 logger.debug("components(%d)='%s'", len(components), components)
1826                 domain = components.netloc.lower().split(":")[0]
1827
1828                 logger.debug("domain='%s' - BEFORE!", domain)
1829                 domain = tidyup.domain(domain) if domain not in[None, ""] else None
1830                 logger.debug("domain='%s' - AFTER!", domain)
1831
1832                 if domain in [None, ""]:
1833                     logger.debug("domain='%s' is empty after tidyup.domain() from origin='%s' - SKIPPED!", domain, row["domain"])
1834                     continue
1835                 elif domain not in peers:
1836                     logger.debug("Appending domain='%s' to peers list for relay='%s' ...", domain, row["domain"])
1837                     peers.append(domain)
1838
1839                 logger.debug("domains()=%d,domain='%s'", len(domains), domain)
1840                 if dict_helper.has_key(domains, "domain", domain):
1841                     logger.debug("domain='%s' already added", domain)
1842                     continue
1843
1844                 logger.debug("Appending domain='%s',origin='%s',software='%s'", domain, row["domain"], row["software"])
1845                 domains.append({
1846                     "domain": domain,
1847                     "origin": row["domain"],
1848                 })
1849         elif row["software"] == "pub-relay":
1850             logger.debug("Checking %d peer(s) row[domain]='%s' ...", len(raw["json"]["metadata"]["peers"]), row["domain"])
1851             for domain in raw["json"]["metadata"]["peers"]:
1852                 logger.debug("domain='%s' - BEFORE!", domain)
1853                 domain = tidyup.domain(domain) if domain not in[None, ""] else None
1854                 logger.debug("domain='%s' - AFTER!", domain)
1855
1856                 if domain in [None, ""]:
1857                     logger.debug("domain='%s' is empty after tidyup.domain() from origin='%s' - SKIPPED!", domain, row["domain"])
1858                     continue
1859                 elif domain not in peers:
1860                     logger.debug("Appending domain='%s' to peers list for relay='%s' ...", domain, row["domain"])
1861                     peers.append(domain)
1862
1863                 logger.debug("domains()=%d,domain='%s'", len(domains), domain)
1864                 if dict_helper.has_key(domains, "domain", domain):
1865                     logger.debug("domain='%s' already added", domain)
1866                     continue
1867
1868                 logger.debug("Appending domain='%s',origin='%s',software='%s' ...", domain, row["domain"], row["software"])
1869                 domains.append({
1870                     "domain": domain,
1871                     "origin": row["domain"],
1872                 })
1873         else:
1874             logger.warning("row[domain]='%s',row[software]='%s' is not supported", row["domain"], row["software"])
1875             continue
1876
1877         logger.debug("Updating last_instance_fetch for row[domain]='%s' ...", row["domain"])
1878         instances.set_last_instance_fetch(row["domain"])
1879
1880         logger.info("Relay '%s' has %d peer(s) registered.", row["domain"], len(peers))
1881         instances.set_total_peers(row["domain"], peers)
1882
1883         logger.debug("Flushing data for row[domain]='%s'", row["domain"])
1884         instances.update(row["domain"])
1885
1886     logger.info("Checking %d domains ...", len(domains))
1887     for row in domains:
1888         logger.debug("row[domain]='%s',row[origin]='%s'", row["domain"], row["origin"])
1889         if not domain_helper.is_wanted(row["domain"]):
1890             logger.debug("row[domain]='%s' is not wanted - SKIPPED!", row["domain"])
1891             continue
1892         elif instances.is_registered(row["domain"]):
1893             logger.debug("row[domain]='%s' is already registered - SKIPPED!", row["domain"])
1894             continue
1895
1896         logger.info("Fetching row[domain]='%s',row[origin]='%s' ...", row["domain"], row["origin"])
1897         federation.fetch_instances(row["domain"], row["origin"], None, inspect.currentframe().f_code.co_name)
1898
1899     logger.debug("Success! - EXIT!")
1900     return 0
1901
1902 def convert_idna(args: argparse.Namespace) -> int:
1903     logger.debug("args[]='%s' - CALLED!", type(args))
1904
1905     database.cursor.execute("SELECT domain FROM instances WHERE domain NOT LIKE '%xn--%' ORDER BY domain ASC")
1906     rows = database.cursor.fetchall()
1907
1908     logger.debug("rows[]='%s'", type(rows))
1909     instances.translate_idnas(rows, "domain")
1910
1911     database.cursor.execute("SELECT origin FROM instances WHERE origin NOT LIKE '%xn--%' ORDER BY origin ASC")
1912     rows = database.cursor.fetchall()
1913
1914     logger.debug("rows[]='%s'", type(rows))
1915     instances.translate_idnas(rows, "origin")
1916
1917     database.cursor.execute("SELECT blocker FROM blocks WHERE blocker NOT LIKE '%xn--%' ORDER BY blocker ASC")
1918     rows = database.cursor.fetchall()
1919
1920     logger.debug("rows[]='%s'", type(rows))
1921     blocks.translate_idnas(rows, "blocker")
1922
1923     database.cursor.execute("SELECT blocked FROM blocks WHERE blocked NOT LIKE '%xn--%' ORDER BY blocked ASC")
1924     rows = database.cursor.fetchall()
1925
1926     logger.debug("rows[]='%s'", type(rows))
1927     blocks.translate_idnas(rows, "blocked")
1928
1929     logger.debug("Success! - EXIT!")
1930     return 0
1931
1932 def remove_invalid(args: argparse.Namespace) -> int:
1933     logger.debug("args[]='%s' - CALLED!", type(args))
1934
1935     logger.debug("Invoking locking.acquire() ...")
1936     locking.acquire()
1937
1938     database.cursor.execute("SELECT domain FROM instances ORDER BY domain ASC")
1939     rows = database.cursor.fetchall()
1940
1941     logger.info("Checking %d domains ...", len(rows))
1942     for row in rows:
1943         logger.debug("row[domain]='%s'", row["domain"])
1944         if not validators.domain(row["domain"].split("/")[0]):
1945             logger.info("Invalid row[domain]='%s' found, removing ...", row["domain"])
1946             database.cursor.execute("DELETE FROM blocks WHERE blocker = ? OR blocked = ?", [row["domain"], row["domain"]])
1947             database.cursor.execute("DELETE FROM instances WHERE domain = ? LIMIT 1", [row["domain"]])
1948
1949     logger.debug("Invoking commit() ...")
1950     database.connection.commit()
1951
1952     logger.info("Vaccum cleaning database ...")
1953     database.cursor.execute("VACUUM")
1954
1955     logger.debug("Success! - EXIT!")
1956     return 0