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_helper.is_relay(software):
 961         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)
 962         return 102
 963
 964     # Initial fetch
 965     try:
 966         logger.info("Fetching instances from args.domain='%s',origin='%s',software='%s' ...", domain, origin, software)
 967         federation.fetch_instances(domain, origin, software, inspect.currentframe().f_code.co_name)
 968     except network.exceptions as exception:
 969         logger.warning("Exception '%s' during fetching instances (fetch_instances) from args.domain='%s'", type(exception), args.domain)
 970         instances.set_last_error(args.domain, exception)
 971         instances.update(args.domain)
 972         return 100
 973
 974     if args.single:
 975         logger.debug("Not fetching more instances - EXIT!")
 976         return 0
 977
 978     # Loop through some instances
 979     database.cursor.execute(
 980         "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")]
 981     )
 982
 983     rows = database.cursor.fetchall()
 984     logger.info("Checking %d entries ...", len(rows))
 985     for row in rows:
 986         logger.debug("row[domain]='%s'", row["domain"])
 987         if row["domain"] == "":
 988             logger.debug("row[domain] is empty - SKIPPED!")
 989             continue
 990
 991         logger.debug("row[domain]='%s' - BEFORE!", row["domain"])
 992         domain = row["domain"].encode("idna").decode("utf-8")
 993         logger.debug("domain='%s' - AFTER!", domain)
 994
 995         if not domain_helper.is_wanted(domain):
 996             logger.debug("Domain domain='%s' is not wanted - SKIPPED!", domain)
 997             continue
 998
 999         try:
1000             logger.info("Fetching instances for domain='%s',origin='%s',software='%s' ...", domain, row["origin"], row["software"])
1001             federation.fetch_instances(domain, row["origin"], row["software"], inspect.currentframe().f_code.co_name)
1002         except network.exceptions as exception:
1003             logger.warning("Exception '%s' during fetching instances (fetch_instances) from domain='%s'", type(exception), domain)
1004             instances.set_last_error(domain, exception)
1005
1006     logger.debug("Success - EXIT!")
1007     return 0
1008
1009 def fetch_csv(args: argparse.Namespace) -> int:
1010     logger.debug("args[]='%s' - CALLED!", type(args))
1011
1012     logger.debug("Invoking locking.acquire() ...")
1013     locking.acquire()
1014
1015     logger.info("Checking %d CSV files ...", len(blocklists.csv_files))
1016     for block in blocklists.csv_files:
1017         logger.debug("block[blocker]='%s',block[csv_url]='%s'", block["blocker"], block["csv_url"])
1018
1019         # Is domain given and not equal blocker?
1020         if isinstance(args.domain, str) and args.domain != block["blocker"]:
1021             logger.debug("Skipping blocker='%s', not matching args.domain='%s'", block["blocker"], args.domain)
1022             continue
1023
1024         logger.debug("Invoking processing.csv_block(%s, %s, fetch_csv) ...", block["blocker"], block["csv_url"])
1025         processing.csv_block(block["blocker"], block["csv_url"], inspect.currentframe().f_code.co_name)
1026
1027     logger.debug("Success - EXIT!")
1028     return 0
1029
1030 def fetch_oliphant(args: argparse.Namespace) -> int:
1031     logger.debug("args[]='%s' - CALLED!", type(args))
1032
1033     logger.debug("Invoking locking.acquire() ...")
1034     locking.acquire()
1035
1036     source_domain = "codeberg.org"
1037     if sources.is_recent(source_domain):
1038         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1039         return 1
1040     else:
1041         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1042         sources.update(source_domain)
1043
1044     # Base URL
1045     base_url = f"https://{source_domain}/oliphant/blocklists/raw/branch/main/blocklists"
1046
1047     logger.debug("Downloading %d files ...", len(blocklists.oliphant_blocklists))
1048     for block in blocklists.oliphant_blocklists:
1049         # Is domain given and not equal blocker?
1050         logger.debug("block[blocker]='%s',block[csv_url]='%s'", block["blocker"], block["csv_url"])
1051         if isinstance(args.domain, str) and args.domain != block["blocker"]:
1052             logger.debug("Skipping blocker='%s', not matching args.domain='%s'", block["blocker"], args.domain)
1053             continue
1054
1055         url = f"{base_url}/{block['csv_url']}"
1056
1057         logger.debug("Invoking processing.csv_block(%s, %s, fetch_oliphant) ...", block["blocker"], url)
1058         processing.csv_block(block["blocker"], url, inspect.currentframe().f_code.co_name)
1059
1060     logger.debug("Success! - EXIT!")
1061     return 0
1062
1063 def fetch_txt(args: argparse.Namespace) -> int:
1064     logger.debug("args[]='%s' - CALLED!", type(args))
1065
1066     logger.debug("Invoking locking.acquire() ...")
1067     locking.acquire()
1068
1069     logger.info("Checking %d text file(s) ...", len(blocklists.txt_files))
1070     for row in blocklists.txt_files:
1071         logger.debug("Fetching row[url]='%s' ...", row["url"])
1072         response = utils.fetch_url(row["url"], network.web_headers, (config.get("connection_timeout"), config.get("read_timeout")))
1073
1074         logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
1075         if response.ok and response.status_code == 200 and response.text != "":
1076             logger.debug("Returned %d Bytes for processing", len(response.text.strip()))
1077             domains = response.text.strip().split("\n")
1078
1079             logger.info("Processing %d domains ...", len(domains))
1080             for domain in domains:
1081                 logger.debug("domain='%s' - BEFORE!", domain)
1082                 domain = tidyup.domain(domain) if domain not in[None, ""] else None
1083
1084                 logger.debug("domain='%s' - AFTER!", domain)
1085                 if domain in [None, ""]:
1086                     logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1087                     continue
1088                 elif not domain_helper.is_wanted(domain):
1089                     logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1090                     continue
1091                 elif instances.is_recent(domain):
1092                     logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1093                     continue
1094
1095                 logger.debug("Processing domain='%s',row[blocker]='%s'", domain, row["blocker"])
1096                 processed = processing.instance(domain, row["blocker"], inspect.currentframe().f_code.co_name)
1097
1098                 logger.debug("processed='%s'", processed)
1099                 if not processed:
1100                     logger.debug("domain='%s' was not generically processed - SKIPPED!", domain)
1101                     continue
1102
1103     logger.debug("Success! - EXIT!")
1104     return 0
1105
1106 def fetch_fedipact(args: argparse.Namespace) -> int:
1107     logger.debug("args[]='%s' - CALLED!", type(args))
1108
1109     logger.debug("Invoking locking.acquire() ...")
1110     locking.acquire()
1111
1112     source_domain = "fedipact.online"
1113     if sources.is_recent(source_domain):
1114         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1115         return 1
1116     else:
1117         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1118         sources.update(source_domain)
1119
1120     logger.info("Fetching / from source_domain='%s' ...", source_domain)
1121     response = utils.fetch_url(
1122         f"https://{source_domain}",
1123         network.web_headers,
1124         (config.get("connection_timeout"), config.get("read_timeout"))
1125     )
1126
1127     logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
1128     if response.ok and response.status_code == 200 and response.text != "":
1129         logger.debug("Parsing %d Bytes ...", len(response.text))
1130
1131         doc = bs4.BeautifulSoup(response.text, "html.parser")
1132         logger.debug("doc[]='%s'", type(doc))
1133
1134         rows = doc.findAll("li")
1135         logger.info("Checking %d row(s) ...", len(rows))
1136         for row in rows:
1137             logger.debug("row[]='%s'", type(row))
1138             domain = tidyup.domain(row.contents[0]) if row.contents[0] not in [None, ""] else None
1139
1140             logger.debug("domain='%s' - AFTER!", domain)
1141             if domain in [None, ""]:
1142                 logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1143                 continue
1144
1145             logger.debug("domain='%s' - BEFORE!", domain)
1146             domain = domain.encode("idna").decode("utf-8")
1147             logger.debug("domain='%s' - AFTER!", domain)
1148
1149             if not domain_helper.is_wanted(domain):
1150                 logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1151                 continue
1152             elif instances.is_registered(domain):
1153                 logger.debug("domain='%s' is already registered - SKIPPED!", domain)
1154                 continue
1155             elif instances.is_recent(domain):
1156                 logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1157                 continue
1158
1159             logger.info("Fetching domain='%s' ...", domain)
1160             federation.fetch_instances(domain, "beach.city", None, inspect.currentframe().f_code.co_name)
1161
1162     logger.debug("Success! - EXIT!")
1163     return 0
1164
1165 def fetch_joinmobilizon(args: argparse.Namespace) -> int:
1166     logger.debug("args[]='%s' - CALLED!", type(args))
1167
1168     logger.debug("Invoking locking.acquire() ...")
1169     locking.acquire()
1170
1171     source_domain = "instances.joinmobilizon.org"
1172     if sources.is_recent(source_domain):
1173         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1174         return 1
1175     else:
1176         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1177         sources.update(source_domain)
1178
1179     logger.info("Fetching instances from source_domain='%s' ...", source_domain)
1180     raw = utils.fetch_url(
1181         f"https://{source_domain}/api/v1/instances",
1182         network.web_headers,
1183         (config.get("connection_timeout"), config.get("read_timeout"))
1184     ).text
1185     logger.debug("raw()=%d,raw[]='%s'", len(raw), type(raw))
1186
1187     parsed = json.loads(raw)
1188     logger.debug("parsed[%s]()=%d", type(parsed), len(parsed))
1189
1190     if "data" not in parsed:
1191         logger.warning("parsed()=%d does not contain key 'data'")
1192         return 1
1193
1194     logger.info("Checking %d instances ...", len(parsed["data"]))
1195     for row in parsed["data"]:
1196         logger.debug("row[]='%s'", type(row))
1197         if "host" not in row:
1198             logger.warning("row='%s' does not contain key 'host' - SKIPPED!", row)
1199             continue
1200         elif not domain_helper.is_wanted(row["host"]):
1201             logger.debug("row[host]='%s' is not wanted - SKIPPED!", row["host"])
1202             continue
1203         elif instances.is_registered(row["host"]):
1204             logger.debug("row[host]='%s' is already registered - SKIPPED!", row["host"])
1205             continue
1206
1207         logger.info("Fetching row[host]='%s' ...", row["host"])
1208         federation.fetch_instances(row["host"], "demo.mobilizon.org", None, inspect.currentframe().f_code.co_name)
1209
1210     logger.debug("Success! - EXIT!")
1211     return 0
1212
1213 def fetch_joinmisskey(args: argparse.Namespace) -> int:
1214     logger.debug("args[]='%s' - CALLED!", type(args))
1215
1216     logger.debug("Invoking locking.acquire() ...")
1217     locking.acquire()
1218
1219     source_domain = "instanceapp.misskey.page"
1220     if sources.is_recent(source_domain):
1221         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1222         return 1
1223     else:
1224         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1225         sources.update(source_domain)
1226
1227     logger.info("Fetching instances.json from source_domain='%s' ...", source_domain)
1228     raw = utils.fetch_url(
1229         f"https://{source_domain}/instances.json",
1230         network.web_headers,
1231         (config.get("connection_timeout"), config.get("read_timeout"))
1232     ).text
1233     logger.debug("raw()=%d,raw[]='%s'", len(raw), type(raw))
1234
1235     parsed = json.loads(raw)
1236     logger.debug("parsed[%s]()=%d", type(parsed), len(parsed))
1237
1238     if "instancesInfos" not in parsed:
1239         logger.warning("parsed()=%d does not contain element 'instancesInfos'")
1240         return 1
1241
1242     logger.info("Checking %d instane(s) ...", len(parsed["instancesInfos"]))
1243     for row in parsed["instancesInfos"]:
1244         logger.debug("row[%s]='%s'", type(row), row)
1245         if "url" not in row:
1246             logger.warning("row()=%d does not have element 'url' - SKIPPED!", len(row))
1247             continue
1248         elif not domain_helper.is_wanted(row["url"]):
1249             logger.debug("row[url]='%s' is not wanted - SKIPPED!", row["url"])
1250             continue
1251         elif instances.is_registered(row["url"]):
1252             logger.debug("row[url]='%s' is already registered - SKIPPED!", row["url"])
1253             continue
1254
1255         logger.info("Fetching row[url]='%s' ...", row["url"])
1256         federation.fetch_instances(row["url"], "misskey.io", None, inspect.currentframe().f_code.co_name)
1257
1258     logger.debug("Success! - EXIT!")
1259     return 0
1260
1261 def recheck_obfuscation(args: argparse.Namespace) -> int:
1262     logger.debug("args[]='%s' - CALLED!", type(args))
1263
1264     logger.debug("Invoking locking.acquire() ...")
1265     locking.acquire()
1266
1267     if isinstance(args.domain, str) and args.domain != "" and domain_helper.is_wanted(args.domain):
1268         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE (has_obfuscation = 1 OR has_obfuscation IS NULL) AND domain = ?", [args.domain])
1269     elif isinstance(args.software, str) and args.software != "" and validators.domain(args.software) == args.software:
1270         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE (has_obfuscation = 1 OR has_obfuscation IS NULL) AND software = ?", [args.software])
1271     else:
1272         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE has_obfuscation = 1 OR has_obfuscation IS NULL")
1273
1274     rows = database.cursor.fetchall()
1275     logger.info("Checking %d domains ...", len(rows))
1276     for row in rows:
1277         logger.debug("Fetching peers from domain='%s',software='%s',nodeinfo_url='%s' ...", row["domain"], row["software"], row["nodeinfo_url"])
1278         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"):
1279             logger.debug("row[domain]='%s' has been recently checked, args.force[]='%s' - SKIPPED!", row["domain"], type(args.force))
1280             continue
1281
1282         logger.debug("Invoking federation.fetch_blocks(%s) ...", row["domain"])
1283         blocking = federation.fetch_blocks(row["domain"])
1284
1285         logger.debug("blocking()=%d", len(blocking))
1286         if len(blocking) == 0:
1287             logger.debug("Empty blocking list, trying individual fetch_blocks() for row[software]='%s' ...", row["software"])
1288             if row["software"] == "pleroma":
1289                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1290                 blocking = pleroma.fetch_blocks(row["domain"])
1291             elif row["software"] == "mastodon":
1292                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1293                 blocking = mastodon.fetch_blocks(row["domain"])
1294             elif row["software"] == "lemmy":
1295                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1296                 blocking = lemmy.fetch_blocks(row["domain"])
1297             elif row["software"] == "friendica":
1298                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1299                 blocking = friendica.fetch_blocks(row["domain"])
1300             elif row["software"] == "misskey":
1301                 logger.debug("domain='%s',software='%s'", row["domain"], row["software"])
1302                 blocking = misskey.fetch_blocks(row["domain"])
1303             else:
1304                 logger.warning("Unknown software: domain='%s',software='%s'", row["domain"], row["software"])
1305
1306         # c.s isn't part of oliphant's "hidden" blocklists
1307         logger.debug("row[domain]='%s'", row["domain"])
1308         if row["domain"] != "chaos.social" and not software_helper.is_relay(row["software"]) and not blocklists.has(row["domain"]):
1309             logger.debug("Invoking instances.set_total_blocks(%s, %d) ...", row["domain"], len(blocking))
1310             instances.set_last_blocked(row["domain"])
1311             instances.set_total_blocks(row["domain"], blocking)
1312
1313         obfuscated = 0
1314         blockdict = list()
1315
1316         logger.info("Checking %d block(s) from domain='%s' ...", len(blocking), row["domain"])
1317         for block in blocking:
1318             logger.debug("block[blocked]='%s'", block["blocked"])
1319             blocked = None
1320
1321             if block["blocked"] == "":
1322                 logger.debug("block[blocked] is empty - SKIPPED!")
1323                 continue
1324             elif block["blocked"].endswith(".onion"):
1325                 logger.debug("blocked='%s' is a TOR onion domain name - SKIPPED!", block["blocked"])
1326                 continue
1327             elif block["blocked"].endswith(".i2p") and config.get("allow_i2p_domain") == "true":
1328                 logger.debug("blocked='%s' is an I2P onion domain name - SKIPPED!", block["blocked"])
1329                 continue
1330             elif block["blocked"].endswith(".arpa"):
1331                 logger.debug("blocked='%s' is a reversed IP address - SKIPPED!", block["blocked"])
1332                 continue
1333             elif block["blocked"].endswith(".tld"):
1334                 logger.debug("blocked='%s' is a fake domain name - SKIPPED!", block["blocked"])
1335                 continue
1336             elif block["blocked"].find("*") >= 0 or block["blocked"].find("?") >= 0:
1337                 logger.debug("block='%s' is obfuscated.", block["blocked"])
1338                 obfuscated = obfuscated + 1
1339                 blocked = utils.deobfuscate(block["blocked"], row["domain"], block["digest"] if "digest" in block else None)
1340             elif not domain_helper.is_wanted(block["blocked"]):
1341                 logger.debug("blocked='%s' is not wanted - SKIPPED!", block["blocked"])
1342                 continue
1343             elif blocks.is_instance_blocked(row["domain"], block["blocked"]):
1344                 logger.debug("blocked='%s' is already blocked - SKIPPED!", block["blocked"])
1345                 continue
1346
1347             logger.debug("blocked[%s]='%s',block[blocked]='%s'", type(blocked), blocked, block["blocked"])
1348             if blocked is not None and blocked != block["blocked"]:
1349                 logger.debug("blocked='%s' was deobfuscated to blocked='%s'", block["blocked"], blocked)
1350                 obfuscated = obfuscated - 1
1351
1352                 if blacklist.is_blacklisted(blocked):
1353                     logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
1354                     continue
1355                 elif blacklist.is_blacklisted(row["domain"]):
1356                     logger.debug("row[domain]='%s' is blacklisted - SKIPPED!", row["domain"])
1357                     continue
1358                 elif blocks.is_instance_blocked(row["domain"], blocked):
1359                     logger.debug("blocked='%s' is already blocked by domain='%s' - SKIPPED!", blocked, row["domain"])
1360                     continue
1361
1362                 block["block_level"] = blocks.alias_block_level(block["block_level"])
1363
1364                 logger.info("blocked='%s' has been deobfuscated to blocked='%s', adding ...", block["blocked"], blocked)
1365                 if processing.block(row["domain"], blocked, block["reason"], block["block_level"]) and block["block_level"] == "reject" and config.get("bot_enabled"):
1366                     logger.debug("Appending blocked='%s',reason='%s' for blocker='%s' ...", block["blocked"], block["block_level"], row["domain"])
1367                     blockdict.append({
1368                         "blocked": blocked,
1369                         "reason" : block["reason"],
1370                     })
1371
1372         logger.debug("Setting obfuscated=%d for row[domain]='%s' ...", obfuscated, row["domain"])
1373         instances.set_has_obfuscation(row["domain"], (obfuscated > 0))
1374         instances.set_obfuscated_blocks(row["domain"], obfuscated)
1375
1376         logger.info("domain='%s' has %d obfuscated domain(s)", row["domain"], obfuscated)
1377         if instances.has_pending(row["domain"]):
1378             logger.debug("Flushing updates for blocker='%s' ...", row["domain"])
1379             instances.update(row["domain"])
1380
1381         logger.debug("Invoking commit() ...")
1382         database.connection.commit()
1383
1384         logger.debug("config.get(bot_enabled)='%s',blockdict()=%d", config.get("bot_enabled"), len(blockdict))
1385         if config.get("bot_enabled") and len(blockdict) > 0:
1386             logger.info("Sending bot POST for blocker='%s,blockdict()=%d ...", row["domain"], len(blockdict))
1387             network.send_bot_post(row["domain"], blockdict)
1388
1389     logger.debug("Success! - EXIT!")
1390     return 0
1391
1392 def fetch_fedilist(args: argparse.Namespace) -> int:
1393     logger.debug("args[]='%s' - CALLED!", type(args))
1394
1395     logger.debug("Invoking locking.acquire() ...")
1396     locking.acquire()
1397
1398     source_domain = "demo.fedilist.com"
1399     if sources.is_recent(source_domain):
1400         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1401         return 1
1402     else:
1403         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1404         sources.update(source_domain)
1405
1406     url = f"http://{source_domain}/instance/csv?onion=not"
1407     if args.software is not None and args.software != "":
1408         logger.debug("args.software='%s'", args.software)
1409         url = f"http://{source_domain}/instance/csv?software={args.software}&onion=not"
1410
1411     logger.info("Fetching url='%s' ...", url)
1412     response = reqto.get(
1413         url,
1414         headers=network.web_headers,
1415         timeout=(config.get("connection_timeout"), config.get("read_timeout")),
1416         allow_redirects=False
1417     )
1418
1419     logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
1420     if not response.ok or response.status_code > 200 or len(response.content) == 0:
1421         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))
1422         return 1
1423
1424     reader = csv.DictReader(response.content.decode("utf-8").splitlines(), dialect="unix")
1425
1426     logger.debug("reader[]='%s'", type(reader))
1427     if reader is None:
1428         logger.warning("Failed parsing response.content()=%d as CSV content", len(response.content))
1429         return 2
1430
1431     rows = list(reader)
1432
1433     logger.info("Checking %d rows ...", len(rows))
1434     for row in rows:
1435         logger.debug("row[]='%s'", type(row))
1436         if "hostname" not in row:
1437             logger.warning("row()=%d has no element 'hostname' - SKIPPED!", len(row))
1438             continue
1439
1440         logger.debug("row[hostname]='%s' - BEFORE!", row["hostname"])
1441         domain = tidyup.domain(row["hostname"]) if row["hostname"] not in [None, ""] else None
1442         logger.debug("domain='%s' - AFTER!", domain)
1443
1444         if domain in [None, ""]:
1445             logger.debug("domain='%s' is empty after tidyup.domain(): row[hostname]='%s' - SKIPPED!", domain, row["hostname"])
1446             continue
1447
1448         logger.debug("domain='%s' - BEFORE!", domain)
1449         domain = domain.encode("idna").decode("utf-8")
1450         logger.debug("domain='%s' - AFTER!", domain)
1451
1452         if not domain_helper.is_wanted(domain):
1453             logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1454             continue
1455         elif (args.force is None or not args.force) and instances.is_registered(domain):
1456             logger.debug("domain='%s' is already registered, --force not specified: args.force[]='%s'", domain, type(args.force))
1457             continue
1458         elif instances.is_recent(domain):
1459             logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1460             continue
1461
1462         logger.info("Fetching instances from domain='%s' ...", domain)
1463         federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
1464
1465     logger.debug("Success! - EXIT!")
1466     return 0
1467
1468 def update_nodeinfo(args: argparse.Namespace) -> int:
1469     logger.debug("args[]='%s' - CALLED!", type(args))
1470
1471     logger.debug("Invoking locking.acquire() ...")
1472     locking.acquire()
1473
1474     if args.domain is not None and args.domain != "":
1475         logger.debug("Fetching args.domain='%s'", args.domain)
1476         database.cursor.execute("SELECT domain, software FROM instances WHERE domain = ? LIMIT 1", [args.domain])
1477     elif args.software is not None and args.software != "":
1478         logger.info("Fetching domains for args.software='%s'", args.software)
1479         database.cursor.execute("SELECT domain, software FROM instances WHERE software = ? ORDER BY last_updated ASC", [args.software])
1480     elif args.mode is not None and args.mode != "":
1481         logger.info("Fetching domains for args.mode='%s'", args.mode.upper())
1482         database.cursor.execute("SELECT domain, software FROM instances WHERE detection_mode = ? ORDER BY last_updated ASC", [args.mode])
1483     elif args.no_software:
1484         logger.info("Fetching domains with no software type detected ...")
1485         database.cursor.execute("SELECT domain, software FROM instances WHERE software IS NULL ORDER BY last_updated ASC")
1486     elif args.no_auto:
1487         logger.info("Fetching domains with other detection mode than AUTO_DISOVERY being set ...")
1488         database.cursor.execute("SELECT domain, software FROM instances WHERE detection_mode IS NOT NULL AND detection_mode != 'AUTO_DISCOVERY' ORDER BY last_updated ASC")
1489     elif args.no_detection:
1490         logger.info("Fetching domains with no detection mode being set ...")
1491         database.cursor.execute("SELECT domain, software FROM instances WHERE detection_mode IS NULL ORDER BY last_updated ASC")
1492     else:
1493         logger.info("Fetching domains for recently updated ...")
1494         database.cursor.execute("SELECT domain, software FROM instances ORDER BY last_updated ASC")
1495
1496     domains = database.cursor.fetchall()
1497
1498     logger.info("Checking %d domain(s) ...", len(domains))
1499     cnt = 0
1500     for row in domains:
1501         logger.debug("row[]='%s'", type(row))
1502         if not args.force and instances.is_recent(row["domain"], "last_nodeinfo"):
1503             logger.debug("row[domain]='%s' has been recently checked - SKIPPED!", row["domain"])
1504             continue
1505         elif blacklist.is_blacklisted(row["domain"]):
1506             logger.debug("row[domain]='%s' is blacklisted - SKIPPED!", row["domain"])
1507             continue
1508
1509         try:
1510             logger.info("Checking nodeinfo for row[domain]='%s',row[software]='%s' (%s%%) ...", row["domain"], row["software"], "{:5.1f}".format(cnt / len(domains) * 100))
1511             software = federation.determine_software(row["domain"])
1512
1513             logger.debug("Determined software='%s'", software)
1514             if (software != row["software"] and software is not None) or args.force is True:
1515                 logger.debug("software='%s'", software)
1516                 if software is None:
1517                     logger.debug("Setting nodeinfo_url to 'None' for row[domain]='%s' ...", row["domain"])
1518                     instances.set_nodeinfo_url(row["domain"], None)
1519
1520                 logger.warning("Software type for row[domain]='%s' has changed from '%s' to '%s'!", row["domain"], row["software"], software)
1521                 instances.set_software(row["domain"], software)
1522
1523             if software is not None:
1524                 logger.debug("Setting row[domain]='%s' as successfully determined ...", row["domain"])
1525                 instances.set_success(row["domain"])
1526         except network.exceptions as exception:
1527             logger.warning("Exception '%s' during updating nodeinfo for row[domain]='%s'", type(exception), row["domain"])
1528             instances.set_last_error(row["domain"], exception)
1529
1530         instances.set_last_nodeinfo(row["domain"])
1531         instances.update(row["domain"])
1532         cnt = cnt + 1
1533
1534     logger.debug("Success! - EXIT!")
1535     return 0
1536
1537 def fetch_instances_social(args: argparse.Namespace) -> int:
1538     logger.debug("args[]='%s' - CALLED!", type(args))
1539
1540     logger.debug("Invoking locking.acquire() ...")
1541     locking.acquire()
1542
1543     source_domain = "instances.social"
1544
1545     if config.get("instances_social_api_key") == "":
1546         logger.error("API key not set. Please set in your config.json file.")
1547         return 1
1548     elif sources.is_recent(source_domain):
1549         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1550         return 2
1551     else:
1552         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1553         sources.update(source_domain)
1554
1555     headers = {
1556         "Authorization": f"Bearer {config.get('instances_social_api_key')}",
1557     }
1558
1559     logger.info("Fetching list from source_domain='%s' ...", source_domain)
1560     fetched = network.get_json_api(
1561         source_domain,
1562         "/api/1.0/instances/list?count=0&sort_by=name",
1563         headers=headers,
1564         timeout=(config.get("connection_timeout"), config.get("read_timeout"))
1565     )
1566     logger.debug("fetched(%d)[]='%s'", len(fetched), type(fetched))
1567
1568     if "error_message" in fetched:
1569         logger.warning("Error during fetching API result: '%s' - EXIT!", fetched["error_message"])
1570         return 2
1571     elif "exception" in fetched:
1572         logger.warning("Exception '%s' during fetching API result - EXIT!", type(fetched["exception"]))
1573         return 3
1574     elif "json" not in fetched:
1575         logger.warning("fetched has no element 'json' - EXIT!")
1576         return 4
1577     elif "instances" not in fetched["json"]:
1578         logger.warning("fetched[row] has no element 'instances' - EXIT!")
1579         return 5
1580
1581     domains = list()
1582     rows = fetched["json"]["instances"]
1583
1584     logger.info("Checking %d row(s) ...", len(rows))
1585     for row in rows:
1586         logger.debug("row[]='%s'", type(row))
1587         domain = tidyup.domain(row["name"]) if row["name"] not in [None, ""] else None
1588         logger.debug("domain='%s' - AFTER!", domain)
1589
1590         if domain is None and domain == "":
1591             logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1592             continue
1593
1594         logger.debug("domain='%s' - BEFORE!", domain)
1595         domain = domain.encode("idna").decode("utf-8")
1596         logger.debug("domain='%s' - AFTER!", domain)
1597
1598         if not domain_helper.is_wanted(domain):
1599             logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1600             continue
1601         elif domain in domains:
1602             logger.debug("domain='%s' is already added - SKIPPED!", domain)
1603             continue
1604         elif instances.is_registered(domain):
1605             logger.debug("domain='%s' is already registered - SKIPPED!", domain)
1606             continue
1607         elif instances.is_recent(domain):
1608             logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1609             continue
1610
1611         logger.info("Fetching instances from domain='%s'", domain)
1612         federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
1613
1614     logger.debug("Success! - EXIT!")
1615     return 0
1616
1617 def fetch_relaylist(args: argparse.Namespace) -> int:
1618     logger.debug("args[]='%s' - CALLED!", type(args))
1619
1620     logger.debug("Invoking locking.acquire() ...")
1621     locking.acquire()
1622
1623     source_domain = "api.relaylist.com"
1624
1625     if sources.is_recent(source_domain):
1626         logger.info("API from source_domain='%s' has recently being accessed - EXIT!", source_domain)
1627         return 1
1628     else:
1629         logger.debug("source_domain='%s' has not been recently used, marking ...", source_domain)
1630         sources.update(source_domain)
1631
1632     logger.info("Fetching list from source_domain='%s' ...", source_domain)
1633     fetched = network.get_json_api(
1634         source_domain,
1635         "/relays",
1636         {},
1637         (config.get("connection_timeout"), config.get("read_timeout"))
1638     )
1639     logger.debug("fetched(%d)[]='%s'", len(fetched), type(fetched))
1640
1641     if "error_message" in fetched:
1642         logger.warning("Error during fetching API result: '%s' - EXIT!", fetched["error_message"])
1643         return 2
1644     elif "exception" in fetched:
1645         logger.warning("Exception '%s' during fetching API result - EXIT!", type(fetched["exception"]))
1646         return 3
1647     elif "json" not in fetched:
1648         logger.warning("fetched has no element 'json' - EXIT!")
1649         return 4
1650
1651     domains = list()
1652
1653     logger.info("Checking %d row(s) ...", len(fetched["json"]))
1654     for row in fetched["json"]:
1655         logger.debug("row[]='%s'", type(row))
1656         domain = urlparse(row["url"]).netloc.lower().split(":")[0]
1657         logger.debug("domain='%s' - AFTER!", domain)
1658
1659         if domain is None and domain == "":
1660             logger.debug("domain='%s' is empty after tidyup.domain() - SKIPPED!", domain)
1661             continue
1662
1663         logger.debug("domain='%s' - BEFORE!", domain)
1664         domain = domain.encode("idna").decode("utf-8")
1665         logger.debug("domain='%s' - AFTER!", domain)
1666
1667         if not domain_helper.is_wanted(domain):
1668             logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1669             continue
1670         elif domain in domains:
1671             logger.debug("domain='%s' is already added - SKIPPED!", domain)
1672             continue
1673         elif instances.is_registered(domain):
1674             logger.debug("domain='%s' is already registered - SKIPPED!", domain)
1675             continue
1676         elif instances.is_recent(domain):
1677             logger.debug("domain='%s' has been recently crawled - SKIPPED!", domain)
1678             continue
1679
1680         logger.info("Fetching instances from domain='%s'", domain)
1681         federation.fetch_instances(domain, None, None, inspect.currentframe().f_code.co_name)
1682
1683     logger.debug("Success! - EXIT!")
1684     return 0
1685
1686 def fetch_relays(args: argparse.Namespace) -> int:
1687     logger.debug("args[]='%s' - CALLED!", type(args))
1688
1689     logger.debug("Invoking locking.acquire() ...")
1690     locking.acquire()
1691
1692     if args.domain is not None and args.domain != "":
1693         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])
1694     elif args.software is not None and args.software != "":
1695         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE software IN ('activityrelay', 'aoderelay', 'selective-relay', 'pub-relay') AND software = ?", [args.software])
1696     else:
1697         database.cursor.execute("SELECT domain, software, nodeinfo_url FROM instances WHERE software IN ('activityrelay', 'aoderelay', 'selective-relay', 'pub-relay')")
1698
1699     domains = list()
1700     rows = database.cursor.fetchall()
1701
1702     logger.info("Checking %d relays ...", len(rows))
1703     for row in rows:
1704         logger.debug("row[domain]='%s',row[software]='%s' ...", row["domain"], row["software"])
1705         peers = list()
1706         if not args.force and instances.is_recent(row["domain"]):
1707             logger.debug("row[domain]='%s' has been recently fetched - SKIPPED!", row["domain"])
1708             continue
1709
1710         try:
1711             if row["software"] == "pub-relay":
1712                 logger.info("Fetching row[nodeinfo_url]='%s' from relay row[domain]='%s',row[software]='%s' ...", row["nodeinfo_url"], row["domain"], row["software"])
1713                 raw = network.fetch_api_url(
1714                     row["nodeinfo_url"],
1715                     (config.get("connection_timeout"), config.get("read_timeout"))
1716                 )
1717
1718                 logger.debug("raw[%s]()=%d", type(raw), len(raw))
1719                 if "exception" in raw:
1720                     logger.warning("row[domain]='%s' has caused an exception: '%s' - raising again ...", row["domain"], type(raw["exception"]))
1721                     raise raw["exception"]
1722                 elif "error_message" in raw:
1723                     logger.warning("row[domain]='%s' has caused error message: '%s' - SKIPPED!", row["domain"], raw["error_message"])
1724                     instances.set_last_error(row["domain"], raw)
1725                     instances.set_last_instance_fetch(row["domain"])
1726                     instances.update(row["domain"])
1727                     continue
1728                 elif "json" not in raw:
1729                     logger.warning("raw()=%d does not contain key 'json' in response - SKIPPED!", len(raw))
1730                     continue
1731                 elif not "metadata" in raw["json"]:
1732                     logger.warning("raw[json]()=%d does not contain key 'json' in response - SKIPPED!", len(raw["json"]))
1733                     continue
1734                 elif not "peers" in raw["json"]["metadata"]:
1735                     logger.warning("raw[json][metadata()=%d does not contain key 'json' in response - SKIPPED!", len(raw["json"]["metadata"]))
1736                     continue
1737             else:
1738                 logger.info("Fetching / from relay row[domain]='%s',row[software]='%s' ...", row["domain"], row["software"])
1739                 raw = utils.fetch_url(
1740                     f"https://{row['domain']}",
1741                     network.web_headers,
1742                     (config.get("connection_timeout"), config.get("read_timeout"))
1743                 ).text
1744                 logger.debug("raw[%s]()=%d", type(raw), len(raw))
1745
1746                 doc = bs4.BeautifulSoup(raw, features="html.parser")
1747                 logger.debug("doc[]='%s'", type(doc))
1748
1749         except network.exceptions as exception:
1750             logger.warning("Exception '%s' during fetching from relay '%s': '%s'", type(exception), row["domain"], str(exception))
1751             instances.set_last_error(row["domain"], exception)
1752             instances.set_last_instance_fetch(row["domain"])
1753             instances.update(row["domain"])
1754             continue
1755
1756         logger.debug("row[software]='%s'", row["software"])
1757         if row["software"] == "activityrelay":
1758             logger.debug("Checking row[domain]='%s' ...", row["domain"])
1759             tags = doc.findAll("p")
1760
1761             logger.debug("Checking %d paragraphs ...", len(tags))
1762             for tag in tags:
1763                 logger.debug("tag[]='%s'", type(tag))
1764                 if len(tag.contents) == 0:
1765                     logger.debug("tag='%s' is an empty tag - SKIPPED!", tag)
1766                     continue
1767                 elif "registered instances" not in tag.contents[0]:
1768                     logger.debug("Skipping paragraph, text not found.")
1769                     continue
1770
1771                 logger.debug("Found tag.contents[0][]='%s'", tag.contents[0])
1772                 for domain in tag.contents:
1773                     logger.debug("domain[%s]='%s'", type(domain), domain)
1774                     if not isinstance(domain, bs4.element.NavigableString) or "registered instances" in domain:
1775                         continue
1776
1777                     domain = str(domain)
1778                     logger.debug("domain='%s'", domain)
1779                     if not domain_helper.is_wanted(domain):
1780                         logger.debug("domain='%s' is not wanted - SKIPPED!", domain)
1781                         continue
1782
1783                     logger.debug("domain='%s' - BEFORE!", domain)
1784                     domain = tidyup.domain(domain) if domain not in[None, ""] else None
1785                     logger.debug("domain='%s' - AFTER!", domain)
1786
1787                     if domain in [None, ""]:
1788                         logger.debug("domain='%s' is empty after tidyup.domain() from origin='%s' - SKIPPED!", domain, row["domain"])
1789                         continue
1790                     elif domain not in peers:
1791                         logger.debug("Appending domain='%s' to peers list for relay='%s' ...", domain, row["domain"])
1792                         peers.append(domain)
1793
1794                     logger.debug("domains()=%d,domain='%s'", len(domains), domain)
1795                     if dict_helper.has_key(domains, "domain", domain):
1796                         logger.debug("domain='%s' already added", domain)
1797                         continue
1798
1799                     logger.debug("Appending domain='%s',origin='%s',software='%s' ...", domain, row["domain"], row["software"])
1800                     domains.append({
1801                         "domain": domain,
1802                         "origin": row["domain"],
1803                     })
1804         elif row["software"] in ["aoderelay", "selective-relay"]:
1805             logger.debug("Checking row[domain]='%s' ...", row["domain"])
1806             if row["software"] == "aoderelay":
1807                 tags = doc.findAll("section", {"class": "instance"})
1808             else:
1809                 tags = doc.find("div", {"id": "instances"}).findAll("li")
1810
1811             logger.debug("Checking %d tags ...", len(tags))
1812             for tag in tags:
1813                 logger.debug("tag[]='%s'", type(tag))
1814
1815                 link = tag.find("a")
1816                 logger.debug("link[%s]='%s'", type(link), link)
1817                 if not isinstance(link, bs4.element.Tag):
1818                     logger.warning("tag[%s]='%s' is not type of 'bs4.element.Tag' - SKIPPED!", type(tag), tag)
1819                     continue
1820
1821                 components = urlparse(link.get("href"))
1822                 logger.debug("components(%d)='%s'", len(components), components)
1823                 domain = components.netloc.lower().split(":")[0]
1824
1825                 logger.debug("domain='%s' - BEFORE!", domain)
1826                 domain = tidyup.domain(domain) if domain not in[None, ""] else None
1827                 logger.debug("domain='%s' - AFTER!", domain)
1828
1829                 if domain in [None, ""]:
1830                     logger.debug("domain='%s' is empty after tidyup.domain() from origin='%s' - SKIPPED!", domain, row["domain"])
1831                     continue
1832                 elif domain not in peers:
1833                     logger.debug("Appending domain='%s' to peers list for relay='%s' ...", domain, row["domain"])
1834                     peers.append(domain)
1835
1836                 logger.debug("domains()=%d,domain='%s'", len(domains), domain)
1837                 if dict_helper.has_key(domains, "domain", domain):
1838                     logger.debug("domain='%s' already added", domain)
1839                     continue
1840
1841                 logger.debug("Appending domain='%s',origin='%s',software='%s'", domain, row["domain"], row["software"])
1842                 domains.append({
1843                     "domain": domain,
1844                     "origin": row["domain"],
1845                 })
1846         elif row["software"] == "pub-relay":
1847             logger.debug("Checking %d peer(s) row[domain]='%s' ...", len(raw["json"]["metadata"]["peers"]), row["domain"])
1848             for domain in raw["json"]["metadata"]["peers"]:
1849                 logger.debug("domain='%s' - BEFORE!", domain)
1850                 domain = tidyup.domain(domain) if domain not in[None, ""] else None
1851                 logger.debug("domain='%s' - AFTER!", domain)
1852
1853                 if domain in [None, ""]:
1854                     logger.debug("domain='%s' is empty after tidyup.domain() from origin='%s' - SKIPPED!", domain, row["domain"])
1855                     continue
1856                 elif domain not in peers:
1857                     logger.debug("Appending domain='%s' to peers list for relay='%s' ...", domain, row["domain"])
1858                     peers.append(domain)
1859
1860                 logger.debug("domains()=%d,domain='%s'", len(domains), domain)
1861                 if dict_helper.has_key(domains, "domain", domain):
1862                     logger.debug("domain='%s' already added", domain)
1863                     continue
1864
1865                 logger.debug("Appending domain='%s',origin='%s',software='%s' ...", domain, row["domain"], row["software"])
1866                 domains.append({
1867                     "domain": domain,
1868                     "origin": row["domain"],
1869                 })
1870         else:
1871             logger.warning("row[domain]='%s',row[software]='%s' is not supported", row["domain"], row["software"])
1872             continue
1873
1874         logger.debug("Updating last_instance_fetch for row[domain]='%s' ...", row["domain"])
1875         instances.set_last_instance_fetch(row["domain"])
1876
1877         logger.info("Relay '%s' has %d peer(s) registered.", row["domain"], len(peers))
1878         instances.set_total_peers(row["domain"], peers)
1879
1880         logger.debug("Flushing data for row[domain]='%s'", row["domain"])
1881         instances.update(row["domain"])
1882
1883     logger.info("Checking %d domains ...", len(domains))
1884     for row in domains:
1885         logger.debug("row[domain]='%s',row[origin]='%s'", row["domain"], row["origin"])
1886         if not domain_helper.is_wanted(row["domain"]):
1887             logger.debug("row[domain]='%s' is not wanted - SKIPPED!", row["domain"])
1888             continue
1889         elif instances.is_registered(row["domain"]):
1890             logger.debug("row[domain]='%s' is already registered - SKIPPED!", row["domain"])
1891             continue
1892
1893         logger.info("Fetching row[domain]='%s',row[origin]='%s' ...", row["domain"], row["origin"])
1894         federation.fetch_instances(row["domain"], row["origin"], None, inspect.currentframe().f_code.co_name)
1895
1896     logger.debug("Success! - EXIT!")
1897     return 0
1898
1899 def convert_idna(args: argparse.Namespace) -> int:
1900     logger.debug("args[]='%s' - CALLED!", type(args))
1901
1902     database.cursor.execute("SELECT domain FROM instances WHERE domain NOT LIKE '%xn--%' ORDER BY domain ASC")
1903     rows = database.cursor.fetchall()
1904
1905     logger.debug("rows[]='%s'", type(rows))
1906     instances.translate_idnas(rows, "domain")
1907
1908     database.cursor.execute("SELECT origin FROM instances WHERE origin NOT LIKE '%xn--%' ORDER BY origin ASC")
1909     rows = database.cursor.fetchall()
1910
1911     logger.debug("rows[]='%s'", type(rows))
1912     instances.translate_idnas(rows, "origin")
1913
1914     database.cursor.execute("SELECT blocker FROM blocks WHERE blocker NOT LIKE '%xn--%' ORDER BY blocker ASC")
1915     rows = database.cursor.fetchall()
1916
1917     logger.debug("rows[]='%s'", type(rows))
1918     blocks.translate_idnas(rows, "blocker")
1919
1920     database.cursor.execute("SELECT blocked FROM blocks WHERE blocked NOT LIKE '%xn--%' ORDER BY blocked ASC")
1921     rows = database.cursor.fetchall()
1922
1923     logger.debug("rows[]='%s'", type(rows))
1924     blocks.translate_idnas(rows, "blocked")
1925
1926     logger.debug("Success! - EXIT!")
1927     return 0
1928
1929 def remove_invalid(args: argparse.Namespace) -> int:
1930     logger.debug("args[]='%s' - CALLED!", type(args))
1931
1932     logger.debug("Invoking locking.acquire() ...")
1933     locking.acquire()
1934
1935     database.cursor.execute("SELECT domain FROM instances ORDER BY domain ASC")
1936     rows = database.cursor.fetchall()
1937
1938     logger.info("Checking %d domains ...", len(rows))
1939     for row in rows:
1940         logger.debug("row[domain]='%s'", row["domain"])
1941         if not validators.domain(row["domain"].split("/")[0]):
1942             logger.info("Invalid row[domain]='%s' found, removing ...", row["domain"])
1943             database.cursor.execute("DELETE FROM blocks WHERE blocker = ? OR blocked = ?", [row["domain"], row["domain"]])
1944             database.cursor.execute("DELETE FROM instances WHERE domain = ? LIMIT 1", [row["domain"]])
1945
1946     logger.debug("Invoking commit() ...")
1947     database.connection.commit()
1948
1949     logger.info("Vaccum cleaning database ...")
1950     database.cursor.execute("VACUUM")
1951
1952     logger.debug("Success! - EXIT!")
1953     return 0