1 # Fedi API Block - An aggregator for fetching blocking data from fediverse nodes
2 # Copyright (C) 2023 Free Software Foundation
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU Affero General Public License as published
6 # by the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU Affero General Public License for more details.
14 # You should have received a copy of the GNU Affero General Public License
15 # along with this program. If not, see <https://www.gnu.org/licenses/>.
24 from fba.helpers import config
25 from fba.helpers import domain as domain_helper
26 from fba.helpers import tidyup
28 from fba.http import federation
29 from fba.http import network
31 from fba.models import instances
33 logging.basicConfig(level=logging.INFO)
34 logger = logging.getLogger(__name__)
35 #logger.setLevel(logging.DEBUG)
37 def fetch_peers(domain: str, origin: str) -> list:
38 logger.debug("domain='%s',origin='%s' - CALLED!", domain, origin)
39 domain_helper.raise_on(domain)
43 # No CSRF by default, you don't have to add network.api_headers by yourself here
47 logger.debug("Checking CSRF for domain='%s'", domain)
48 headers = csrf.determine(domain, dict())
49 except network.exceptions as exception:
50 logger.warning("Exception '%s' during checking CSRF (fetch_peers,%s) - EXIT!", type(exception), __name__)
51 instances.set_last_error(domain, exception)
55 logger.debug("Fetching '/api/v3/site' from domain='%s' ...", domain)
56 data = network.get_json_api(
60 (config.get("connection_timeout"), config.get("read_timeout"))
63 logger.debug("data[]='%s'", type(data))
64 if "error_message" in data:
65 logger.warning("Could not reach any JSON API: domain='%s'", domain)
66 instances.set_last_error(domain, data)
67 elif "federated_instances" in data["json"] and isinstance(data["json"]["federated_instances"], dict):
68 logger.debug("Found federated_instances for domain='%s'", domain)
69 peers = peers + federation.add_peers(data["json"]["federated_instances"])
71 logger.debug("Marking domain='%s' as successfully handled ...", domain)
72 instances.set_success(domain)
75 logger.warning("Fetching instances for domain='%s' from /instances ...", domain)
76 peers = fetch_instances(domain, origin)
78 except network.exceptions as exception:
79 logger.warning("Exception during fetching JSON: domain='%s',exception[%s]:'%s'", domain, type(exception), str(exception))
80 instances.set_last_error(domain, exception)
82 logger.debug("peers()=%d - EXIT!", len(peers))
85 def fetch_blocks(domain: str, nodeinfo_url: str) -> list:
86 logger.debug("domain='%s,nodeinfo_url='%s' - CALLED!", domain, nodeinfo_url)
87 domain_helper.raise_on(domain)
89 if not isinstance(nodeinfo_url, str):
90 raise ValueError(f"Parameter nodeinfo_url[]='{type(nodeinfo_url)}' is not 'str'")
91 elif nodeinfo_url == "":
92 raise ValueError("Parameter 'nodeinfo_url' is empty")
95 "Blocked Instances".lower(),
96 "Instàncies bloquejades".lower(),
97 "Blocáilte Ásc".lower(),
99 "Blokované instance".lower(),
100 "Geblokkeerde instanties".lower(),
101 "Blockerade instanser".lower(),
102 "Instàncias blocadas".lower(),
103 "Istanze bloccate".lower(),
104 "Instances bloquées".lower(),
105 "Letiltott példányok".lower(),
106 "Instancias bloqueadas".lower(),
107 "Blokeatuta dauden instantziak".lower(),
109 "Peladen Yang Diblokir".lower(),
110 "Blokerede servere".lower(),
111 "Blokitaj nodoj".lower(),
112 "Блокирани Инстанции".lower(),
113 "Blockierte Instanzen".lower(),
114 "Estetyt instanssit".lower(),
115 "Instâncias bloqueadas".lower(),
116 "Zablokowane instancje".lower(),
117 "Blokované inštancie".lower(),
118 "المثلاء المحجوبون".lower(),
119 "Užblokuoti serveriai".lower(),
120 "ブロックしたインスタンス".lower(),
121 "Блокированные Инстансы".lower(),
122 "Αποκλεισμένοι διακομιστές".lower(),
124 "Instâncias bloqueadas".lower(),
130 # json endpoint for newer mastodongs
131 logger.debug("Fetching /instances from domain='%s'", domain)
132 response = network.fetch_response(
136 (config.get("connection_timeout"), config.get("read_timeout"))
139 logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
140 if response.ok and response.status_code < 300 and response.text != "":
141 logger.debug("Parsing %s Bytes ...", len(response.text))
143 doc = bs4.BeautifulSoup(response.text, "html.parser")
144 logger.debug("doc[]='%s'", type(doc))
146 headers = doc.findAll("h5")
148 logger.debug("Search in %d header(s) ...", len(headers))
149 for header in headers:
150 logger.debug("header[]='%s'", type(header))
151 content = header.contents[0]
153 logger.debug("content[%s]='%s'", type(content), content)
155 logger.debug("domain='%s' has returned empty header='%s' - SKIPPED!", domain, header)
157 elif not isinstance(content, str):
158 logger.debug("content[]='%s' is not supported/wanted type 'str' - SKIPPED!", type(content))
160 elif content.lower() in translations:
161 logger.debug("Found header with blocked instances - BREAK!")
165 logger.debug("found[]='%s'", type(found))
167 logger.debug("domain='%s' is not blocking any instances - EXIT!", domain)
170 blocking = found.find_next(["ul","table"]).findAll("a")
171 logger.debug("Found %d blocked instance(s) ...", len(blocking))
173 logger.debug("tag[]='%s'", type(tag))
174 blocked = tidyup.domain(tag.contents[0])
175 logger.debug("blocked='%s'", blocked)
177 if not utils.is_domain_wanted(blocked):
178 logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
181 logger.debug("Appending blocker='%s',blocked='%s',block_level='reject'", domain, blocked)
186 "block_level": "reject",
189 except network.exceptions as exception:
190 logger.warning("domain='%s',exception[%s]:'%s'", domain, type(exception), str(exception))
191 instances.set_last_error(domain, exception)
193 logger.debug("blocklist()=%d - EXIT!", len(blocklist))
196 def fetch_instances(domain: str, origin: str) -> list:
197 logger.debug("domain='%s',origin='%s' - CALLED!", domain, origin)
198 domain_helper.raise_on(domain)
203 # json endpoint for newer mastodongs
204 logger.debug("Fetching /instances from domain='%s'", domain)
205 response = network.fetch_response(
209 (config.get("connection_timeout"), config.get("read_timeout"))
212 logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
213 if response.ok and response.status_code < 300 and response.text != "":
214 logger.debug("Parsing %s Bytes ...", len(response.text))
216 doc = bs4.BeautifulSoup(response.text, "html.parser")
217 logger.debug("doc[]='%s'", type(doc))
219 headers = doc.findAll("h5")
220 logger.debug("Checking %d headers ...", len(headers))
221 for header in headers:
222 logger.debug("header[%s]='%s'", type(header), header)
224 rows = header.find_next(["ul","table"]).findAll("a")
225 logger.debug("Found %d blocked instance(s) ...", len(rows))
227 logger.debug("tag[]='%s'", type(tag))
228 text = tag.contents[0] if isinstance(tag.contents[0], str) else tag.contents[0].text
229 peer = tidyup.domain(text)
230 logger.debug("peer='%s'", peer)
233 logger.debug("peer is empty - SKIPPED!")
235 elif not utils.is_domain_wanted(peer):
236 logger.debug("peer='%s' is not wanted - SKIPPED!", peer)
239 logger.debug("peer='%s' already added - SKIPPED!", peer)
242 logger.debug("Appending peer='%s' ...", peer)
245 logger.debug("Marking domain='%s' as successfully handled ...", domain)
246 instances.set_success(domain)
248 except network.exceptions as exception:
249 logger.warning("domain='%s',exception[%s]:'%s'", domain, type(exception), str(exception))
250 instances.set_last_error(domain, exception)
252 logger.debug("peers()=%d - EXIT!", len(peers))