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/>.
23 from fba.helpers import config
24 from fba.helpers import domain as domain_helper
25 from fba.helpers import tidyup
27 from fba.http import network
29 from fba.models import instances
31 logging.basicConfig(level=logging.INFO)
32 logger = logging.getLogger(__name__)
34 def fetch_peers(domain: str) -> list:
35 logger.debug("domain='%s' - CALLED!", domain)
36 domain_helper.raise_on(domain)
38 logger.debug("domain='%s' is misskey, sending API POST request ...", domain)
41 step = config.get("misskey_limit")
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)
54 # iterating through all "suspended" (follow-only in its terminology)
55 # instances page-by-page, since that troonware doesn't support
56 # sending them all at once
58 logger.debug("Fetching offset=%d from domain='%s' ...", offset, domain)
60 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
66 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
74 logger.debug("fetched[]='%s'", type(fetched))
75 if "error_message" in fetched:
76 logger.warning("post_json_api() for domain='%s' returned error message: '%s'", domain, fetched['error_message'])
77 instances.set_last_error(domain, fetched)
79 elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
80 logger.warning("post_json_api() returned error: '%s'", fetched['error']['message'])
81 instances.set_last_error(domain, fetched["json"]["error"]["message"])
84 rows = fetched["json"]
86 logger.debug("rows(%d)[]='%s'", len(rows), type(rows))
88 logger.debug("Returned zero bytes, domain='%s' - BREAK!", domain)
90 elif len(rows) != config.get("misskey_limit"):
91 logger.debug("Fetched %d row(s) but expected: %d", len(rows), config.get('misskey_limit'))
92 offset = offset + (config.get("misskey_limit") - len(rows))
94 logger.debug("Raising offset by step=%d", step)
95 offset = offset + step
98 logger.debug("rows(%d))[]='%s'", len(rows), type(rows))
100 logger.debug("row()=%d", len(row))
101 if "host" not in row:
102 logger.warning("row()=%d does not contain key 'host': row='%s',domain='%s' - SKIPPED!", len(row), row, domain)
104 elif not isinstance(row["host"], str):
105 logger.warning("row[host][]='%s' is not 'str' - SKIPPED!", type(row['host']))
107 elif not utils.is_domain_wanted(row["host"]):
108 logger.debug("row[host]='%s' is not wanted, domain='%s' - SKIPPED!", row['host'], domain)
110 elif row["host"] in peers:
111 logger.debug("Not adding row[host]='%s', already found - SKIPPED!", row['host'])
112 already = already + 1
115 logger.debug("Adding peer: row[host]='%s'", row['host'])
116 peers.append(row["host"])
118 if already == len(rows):
119 logger.debug("Host returned same set of %d instance(s) - BREAK!", already)
122 logger.debug("peers()=%d - EXIT!", len(peers))
125 def fetch_blocks(domain: str) -> list:
126 logger.debug("domain='%s' - CALLED!", domain)
127 domain_helper.raise_on(domain)
129 logger.debug("Fetching misskey blocks from domain='%s'", domain)
133 step = config.get("misskey_limit")
135 # No CSRF by default, you don't have to add network.api_headers by yourself here
139 logger.debug("Checking CSRF for domain='%s'", domain)
140 headers = csrf.determine(domain, dict())
141 except network.exceptions as exception:
142 logger.warning("Exception '%s' during checking CSRF (fetch_blocks,%s) - EXIT!", type(exception), __name__)
143 instances.set_last_error(domain, exception)
146 # iterating through all "suspended" (follow-only in its terminology)
147 # instances page-by-page since it doesn't support sending them all at once
150 logger.debug("Fetching offset=%d from domain='%s' ...", offset, domain)
152 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
153 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
160 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
161 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
166 "offset" : offset - 1
169 logger.debug("fetched[]='%s'", type(fetched))
170 if "error_message" in fetched:
171 logger.warning("post_json_api() for domain='%s' returned error message: '%s'", domain, fetched['error_message'])
172 instances.set_last_error(domain, fetched)
174 elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
175 logger.warning("post_json_api() returned error: '%s'", fetched['error']['message'])
176 instances.set_last_error(domain, fetched["json"]["error"]["message"])
179 rows = fetched["json"]
181 logger.debug("rows(%d)[]='%s'", len(rows), type(rows))
183 logger.debug("Returned zero bytes, domain='%s' - BREAK!", domain)
185 elif len(rows) != config.get("misskey_limit"):
186 logger.debug("Fetched %d row(s) but expected: %d", len(rows), config.get('misskey_limit'))
187 offset = offset + (config.get("misskey_limit") - len(rows))
189 logger.debug("Raising offset by step=%d", step)
190 offset = offset + step
193 for instance in rows:
195 logger.debug("instance[%s]='%s'", type(instance), instance)
196 if "isSuspended" in instance and instance["isSuspended"]:
200 "blocked" : tidyup.domain(instance["host"]),
202 "block_level": "suspended",
205 logger.debug("count=%d", count)
207 logger.debug("API is no more returning new instances, aborting loop! domain='%s'", domain)
210 except network.exceptions as exception:
211 logger.warning("Caught error, exiting loop: domain='%s',exception[%s]='%s'", domain, type(exception), str(exception))
212 instances.set_last_error(domain, exception)
217 # Fetch blocked (full suspended) instances
220 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
221 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
228 logger.debug("Sending JSON API request to domain='%s',step=%d,offset=%d", domain, step, offset)
229 fetched = network.post_json_api(domain, "/api/federation/instances", json.dumps({
234 "offset" : offset - 1
237 logger.debug("fetched[]='%s'", type(fetched))
238 if "error_message" in fetched:
239 logger.warning("post_json_api() for domain='%s' returned error message: '%s'", domain, fetched['error_message'])
240 instances.set_last_error(domain, fetched)
242 elif isinstance(fetched["json"], dict) and "error" in fetched["json"] and "message" in fetched["json"]["error"]:
243 logger.warning("post_json_api() returned error: '%s'", fetched['error']['message'])
244 instances.set_last_error(domain, fetched["json"]["error"]["message"])
247 rows = fetched["json"]
249 logger.debug("rows(%d)[]='%s'", len(rows), type(rows))
251 logger.debug("Returned zero bytes, domain='%s' - BREAK!", domain)
253 elif len(rows) != config.get("misskey_limit"):
254 logger.debug("Fetched %d row(s) but expected: %d'", len(rows), config.get('misskey_limit'))
255 offset = offset + (config.get("misskey_limit") - len(rows))
257 logger.debug("Raising offset by step=%d", step)
258 offset = offset + step
261 for instance in rows:
263 logger.debug("instance[%s]='%s'", type(instance), instance)
264 if "isBlocked" in instance and instance["isBlocked"]:
266 blocked = tidyup.domain(instance["host"])
267 logger.debug("Appending blocker='%s',blocked='%s',block_level='reject'", domain, blocked)
272 "block_level": "reject",
275 logger.debug("count=%d", count)
277 logger.debug("API is no more returning new instances, aborting loop!")
280 except network.exceptions as exception:
281 logger.warning("Caught error, exiting loop: domain='%s',exception[%s]='%s'", domain, type(exception), str(exception))
282 instances.set_last_error(domain, exception)
286 logger.debug("blocklist()=%d - EXIT!", len(blocklist))