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/>.
20 from fba.helpers import config
21 from fba.helpers import dicts as dict_helper
22 from fba.helpers import domain as domain_helper
23 from fba.helpers import tidyup
25 from fba.http import csrf
26 from fba.http import network
28 from fba.models import instances
30 logging.basicConfig(level=logging.INFO)
31 logger = logging.getLogger(__name__)
33 def fetch_peers(domain: str) -> list:
34 logger.debug("domain='%s' - CALLED!", domain)
35 domain_helper.raise_on(domain)
37 logger.debug("domain='%s' is misskey, sending API POST request ...", domain)
40 step = config.get("misskey_limit")
42 # No CSRF by default, you don't have to add network.api_headers by yourself here
46 logger.debug("Checking CSRF for domain='%s'", domain)
47 headers = csrf.determine(domain, dict())
48 except network.exceptions as exception:
49 logger.warning("Exception '%s' during checking CSRF (fetch_peers,%s)", type(exception), __name__)
50 instances.set_last_error(domain, exception)
52 logger.debug("Returning empty list ... - EXIT!")
55 # iterating through all "suspended" (follow-only in its terminology)
56 # instances page-by-page, since that troonware doesn't support
57 # sending them all at once
59 logger.debug("Fetching offset=%d from domain='%s' ...", offset, domain)
61 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
67 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
75 logger.debug("fetched[]='%s'", type(fetched))
76 if "error_message" in fetched:
77 logger.warning("post_json_api() for domain='%s' returned error message: '%s'", domain, fetched['error_message'])
78 instances.set_last_error(domain, fetched)
80 elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
81 logger.warning("post_json_api() returned error: '%s'", fetched['error']['message'])
82 instances.set_last_error(domain, fetched["json"]["error"]["message"])
85 rows = fetched["json"]
87 logger.debug("rows(%d)[]='%s',step=%d", len(rows), type(rows), step)
89 logger.debug("Returned zero bytes, domain='%s' - BREAK!", domain)
91 elif len(rows) != config.get("misskey_limit"):
92 logger.debug("Fetched %d row(s) but expected: %d", len(rows), config.get('misskey_limit'))
93 offset = offset + (config.get("misskey_limit") - len(rows))
95 logger.debug("Raising offset by step=%d", step)
96 offset = offset + step
99 logger.debug("rows(%d))[]='%s'", len(rows), type(rows))
101 logger.debug("row()=%d", len(row))
102 if "host" not in row:
103 logger.warning("row()=%d does not contain key 'host': row='%s',domain='%s' - SKIPPED!", len(row), row, domain)
105 elif not isinstance(row["host"], str):
106 logger.warning("row[host][]='%s' is not of type 'str' - SKIPPED!", type(row['host']))
108 elif row["host"] in peers:
109 logger.debug("Not adding row[host]='%s', already found - SKIPPED!", row['host'])
111 elif not domain_helper.is_wanted(row["host"]):
112 logger.debug("row[host]='%s' is not wanted - SKIPPED!", row["host"])
115 logger.debug("Adding peer: row[host]='%s'", row['host'])
117 peers.append(row["host"])
119 logger.debug("added=%d,rows()=%d", added, len(rows))
121 logger.debug("Host returned already added (%d) peers - BREAK!", len(rows))
124 logger.debug("peers()=%d - EXIT!", len(peers))
127 def fetch_blocks(domain: str) -> list:
128 logger.debug("domain='%s' - CALLED!", domain)
129 domain_helper.raise_on(domain)
131 if not instances.is_registered(domain):
132 raise Exception(f"domain='{domain}' is not registered but function is invoked.")
134 # No CSRF by default, you don't have to add network.api_headers by yourself here
138 logger.debug("Checking CSRF for domain='%s'", domain)
139 headers = csrf.determine(domain, dict())
140 except network.exceptions as exception:
141 logger.warning("Exception '%s' during checking CSRF (fetch_blocks,%s)", type(exception), __name__)
142 instances.set_last_error(domain, exception)
144 logger.debug("Returning empty list ... - EXIT!")
149 step = config.get("misskey_limit")
151 # iterating through all "suspended" (follow-only in its terminology)
152 # instances page-by-page since it doesn't support sending them all at once
153 logger.debug("Fetching misskey blocks from domain='%s'", domain)
156 logger.debug("Fetching offset=%d from domain='%s' ...", offset, domain)
158 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
159 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
166 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
167 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
172 "offset" : offset - 1
175 logger.debug("fetched[]='%s'", type(fetched))
176 if "error_message" in fetched:
177 logger.warning("post_json_api() for domain='%s' returned error message: '%s'", domain, fetched['error_message'])
178 instances.set_last_error(domain, fetched)
180 elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
181 logger.warning("post_json_api() returned error: '%s'", fetched['error']['message'])
182 instances.set_last_error(domain, fetched["json"]["error"]["message"])
185 rows = fetched["json"]
187 logger.debug("rows(%d)[]='%s'", len(rows), type(rows))
189 logger.debug("Returned zero bytes, domain='%s' - BREAK!", domain)
191 elif len(rows) != config.get("misskey_limit"):
192 logger.debug("Fetched %d row(s) but expected: %d", len(rows), config.get('misskey_limit'))
193 offset = offset + (config.get("misskey_limit") - len(rows))
195 logger.debug("Raising offset by step=%d", step)
196 offset = offset + step
199 for instance in rows:
201 logger.debug("instance[]='%s'", type(instance))
202 blocked = tidyup.domain(instance["host"])
204 logger.debug("blocked='%s'", blocked)
205 if not domain_helper.is_wanted(blocked):
206 logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
208 elif "isSuspended" in instance and instance["isSuspended"] and not dict_helper.has_key(blocklist, "blocked", blocked):
210 logger.debug("Appending blocker='%s',blocked='%s',block_level='suspended'", domain, blocked)
215 "block_level": "suspended",
218 logger.debug("count=%d", count)
220 logger.debug("API is no more returning new instances, aborting loop! domain='%s'", domain)
223 except network.exceptions as exception:
224 logger.warning("Caught error, exiting loop: domain='%s',exception[%s]='%s'", domain, type(exception), str(exception))
225 instances.set_last_error(domain, exception)
230 # Fetch blocked (full suspended) instances
233 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
234 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
241 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
242 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
247 "offset" : offset - 1
250 logger.debug("fetched[]='%s'", type(fetched))
251 if "error_message" in fetched:
252 logger.warning("post_json_api() for domain='%s' returned error message: '%s'", domain, fetched['error_message'])
253 instances.set_last_error(domain, fetched)
255 elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
256 logger.warning("post_json_api() returned error: '%s'", fetched['error']['message'])
257 instances.set_last_error(domain, fetched["json"]["error"]["message"])
260 rows = fetched["json"]
262 logger.debug("rows(%d)[]='%s'", len(rows), type(rows))
264 logger.debug("Returned zero bytes, domain='%s' - BREAK!", domain)
266 elif len(rows) != config.get("misskey_limit"):
267 logger.debug("Fetched %d row(s) but expected: %d'", len(rows), config.get('misskey_limit'))
268 offset = offset + (config.get("misskey_limit") - len(rows))
270 logger.debug("Raising offset by step=%d", step)
271 offset = offset + step
274 for instance in rows:
276 logger.debug("instance[]='%s'", type(instance))
277 blocked = tidyup.domain(instance["host"])
279 logger.debug("blocked='%s'", blocked)
280 if not domain_helper.is_wanted(blocked):
281 logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
283 elif "isBlocked" in instance and instance["isBlocked"] and not dict_helper.has_key(blocklist, "blocked", blocked):
285 logger.debug("Appending blocker='%s',blocked='%s',block_level='reject'", domain, blocked)
290 "block_level": "reject",
293 logger.debug("count=%d", count)
295 logger.debug("API is no more returning new instances, aborting loop!")
298 except network.exceptions as exception:
299 logger.warning("Caught error, exiting loop: domain='%s',exception[%s]='%s'", domain, type(exception), str(exception))
300 instances.set_last_error(domain, exception)
304 logger.debug("blocklist()=%d - EXIT!", len(blocklist))