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/>.
19 from datetime import datetime
20 from email.utils import format_datetime
21 from fastapi import Request, HTTPException, Query
22 from fastapi.responses import JSONResponse
23 from fastapi.responses import PlainTextResponse
24 from fastapi.templating import Jinja2Templates
31 from fba import database
34 from fba.helpers import config
35 from fba.helpers import tidyup
37 from fba.http import network
39 router = fastapi.FastAPI(docs_url=config.get("base_url") + "/docs", redoc_url=config.get("base_url") + "/redoc")
40 templates = Jinja2Templates(directory="templates")
42 @router.get(config.get("base_url") + "/api/info.json", response_class=JSONResponse)
44 database.cursor.execute("SELECT (SELECT COUNT(domain) FROM instances), (SELECT COUNT(domain) FROM instances WHERE software IN ('pleroma', 'mastodon', 'lemmy', 'friendica', 'misskey', 'peertube')), (SELECT COUNT(blocker) FROM blocks), (SELECT COUNT(domain) FROM instances WHERE last_error_details IS NOT NULL)")
45 row = database.cursor.fetchone()
48 "known_instances" : row[0],
49 "indexed_instances" : row[1],
50 "blocks_recorded" : row[2],
51 "errorous_instances": row[3],
52 "slogan" : config.get("slogan")
55 @router.get(config.get("base_url") + "/api/scoreboard.json", response_class=JSONResponse)
56 def api_scoreboard(mode: str, amount: int):
58 raise HTTPException(status_code=400, detail="Too many results")
61 database.cursor.execute("SELECT blocked, COUNT(blocked) AS score FROM blocks WHERE block_level = 'reject' GROUP BY blocked ORDER BY score DESC LIMIT ?", [amount])
62 elif mode == "blocker":
63 database.cursor.execute("SELECT blocker, COUNT(blocker) AS score FROM blocks WHERE block_level = 'reject' GROUP BY blocker ORDER BY score DESC LIMIT ?", [amount])
64 elif mode == "reference":
65 database.cursor.execute("SELECT origin, COUNT(domain) AS score FROM instances WHERE software IS NOT NULL GROUP BY origin ORDER BY score DESC LIMIT ?", [amount])
66 elif mode == "software":
67 database.cursor.execute("SELECT software, COUNT(domain) AS score FROM instances WHERE software IS NOT NULL GROUP BY software ORDER BY score DESC, software ASC LIMIT ?", [amount])
68 elif mode == "command":
69 database.cursor.execute("SELECT command, COUNT(domain) AS score FROM instances WHERE command IS NOT NULL GROUP BY command ORDER BY score DESC, command ASC LIMIT ?", [amount])
70 elif mode == "error_code":
71 database.cursor.execute("SELECT last_status_code, COUNT(domain) AS score FROM instances WHERE last_status_code IS NOT NULL AND last_status_code != '200' GROUP BY last_status_code ORDER BY score DESC LIMIT ?", [amount])
72 elif mode == "avg_peers":
73 database.cursor.execute("SELECT software, AVG(total_peers) AS average FROM instances WHERE software IS NOT NULL GROUP BY software HAVING average>0 ORDER BY average DESC LIMIT ?", [amount])
74 elif mode == "obsfucator":
75 database.cursor.execute("SELECT software, COUNT(domain) AS cnt FROM instances WHERE has_obsfucation = 1 GROUP BY software ORDER BY cnt DESC LIMIT ?", [amount])
77 raise HTTPException(status_code=400, detail="No filter specified")
81 for domain, score in database.cursor.fetchall():
84 "score" : round(score)
89 @router.get(config.get("base_url") + "/api/index.json", response_class=JSONResponse)
90 def api_blocked(domain: str = None, reason: str = None, reverse: str = None):
91 if domain is None and reason is None and reverse is None:
92 raise HTTPException(status_code=400, detail="No filter specified")
94 if reason is not None:
95 reason = re.sub("(%|_)", "", tidyup.reason(reason))
97 raise HTTPException(status_code=400, detail="Keyword is shorter than three characters")
99 if domain is not None:
100 domain = tidyup.domain(domain)
101 if not validators.domain(domain.split("/")[0]):
102 raise HTTPException(status_code=500, detail="Invalid domain")
104 wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):])
105 punycode = domain.encode('idna').decode('utf-8')
107 database.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks WHERE blocked = ? OR blocked = ? OR blocked = ? OR blocked = ? OR blocked = ? OR blocked = ? ORDER BY first_seen ASC",
108 (domain, "*." + domain, wildchar, utils.get_hash(domain), punycode, "*." + punycode))
109 elif reverse is not None:
110 reverse = tidyup.domain(reverse)
111 if not validators.domain(reverse):
112 raise HTTPException(status_code=500, detail="Invalid domain")
114 database.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks WHERE blocker = ? ORDER BY first_seen ASC", [reverse])
116 database.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks WHERE reason like ? AND reason != '' ORDER BY first_seen ASC", ["%" + reason + "%"])
118 blocklist = database.cursor.fetchall()
121 for blocker, blocked, block_level, reason, first_seen, last_seen in blocklist:
122 if reason is not None and reason != "":
123 reason = reason.replace(",", " ").replace(" ", " ")
129 "first_seen": first_seen,
130 "last_seen" : last_seen
133 if block_level in result:
134 result[block_level].append(entry)
136 result[block_level] = [entry]
140 @router.get(config.get("base_url") + "/api/mutual.json", response_class=JSONResponse)
141 def api_mutual(domains: list[str] = Query()):
142 """Return 200 if federation is open between the two, 4xx otherwise"""
143 database.cursor.execute(
144 "SELECT block_level FROM blocks " \
145 "WHERE ((blocker = :a OR blocker = :b) AND (blocked = :b OR blocked = :a OR blocked = :aw OR blocked = :bw)) " \
146 "AND block_level = 'reject' " \
151 "aw": "*." + domains[0],
152 "bw": "*." + domains[1],
155 response = database.cursor.fetchone()
157 if response is not None:
159 return JSONResponse(status_code=418, content={})
162 return JSONResponse(status_code=200, content={})
164 @router.get(config.get("base_url") + "/scoreboard")
165 def scoreboard(request: Request, mode: str, amount: int):
168 if mode == "blocker" and amount > 0:
169 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=blocker&amount={amount}")
170 elif mode == "blocked" and amount > 0:
171 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=blocked&amount={amount}")
172 elif mode == "reference" and amount > 0:
173 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=reference&amount={amount}")
174 elif mode == "software" and amount > 0:
175 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=software&amount={amount}")
176 elif mode == "command" and amount > 0:
177 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=command&amount={amount}")
178 elif mode == "error_code" and amount > 0:
179 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=error_code&amount={amount}")
180 elif mode == "avg_peers" and amount > 0:
181 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=avg_peers&amount={amount}")
182 elif mode == "obsfucator" and amount > 0:
183 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/scoreboard.json?mode=obsfucator&amount={amount}")
185 raise HTTPException(status_code=400, detail="No filter specified")
188 raise HTTPException(status_code=500, detail="Could not determine scores")
189 elif not response.ok:
190 raise HTTPException(status_code=response.status_code, detail=response.text)
192 return templates.TemplateResponse("views/scoreboard.html", {
193 "base_url" : config.get("base_url"),
194 "slogan" : config.get("slogan"),
199 "scores" : network.json_from_response(response)
202 @router.get(config.get("base_url") + "/")
203 def index(request: Request):
205 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/info.json")
208 raise HTTPException(status_code=response.status_code, detail=response.text)
210 return templates.TemplateResponse("views/index.html", {
212 "info" : response.json()
215 @router.get(config.get("base_url") + "/top")
216 def top(request: Request, domain: str = None, reason: str = None, reverse: str = None):
217 if domain == "" or reason == "" or reverse == "":
218 raise HTTPException(status_code=500, detail="Insufficient parameter provided")
220 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/info.json")
223 raise HTTPException(status_code=response.status_code, detail=response.text)
225 info = response.json()
228 if domain is not None:
229 domain = tidyup.domain(domain)
230 if not validators.domain(domain.split("/")[0]):
231 raise HTTPException(status_code=500, detail="Invalid domain")
233 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/index.json?domain={domain}")
234 elif reason is not None:
235 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/index.json?reason={reason}")
236 elif reverse is not None:
237 reverse = tidyup.domain(reverse)
238 if not validators.domain(reverse):
239 raise HTTPException(status_code=500, detail="Invalid domain")
241 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/index.json?reverse={reverse}")
243 if response is not None:
245 raise HTTPException(status_code=response.status_code, detail=response.text)
247 blocklist = response.json()
249 for block_level in blocklist:
250 for block in blocklist[block_level]:
251 block["first_seen"] = datetime.utcfromtimestamp(block["first_seen"]).strftime(config.get("timestamp_format"))
252 block["last_seen"] = datetime.utcfromtimestamp(block["last_seen"]).strftime(config.get("timestamp_format"))
254 return templates.TemplateResponse("views/top.html", {
257 "blocks" : blocklist,
263 @router.get(config.get("base_url") + "/rss")
264 def rss(request: Request, domain: str = None):
265 if domain is not None:
266 domain = tidyup.domain(domain)
268 wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):])
269 punycode = domain.encode("idna").decode("utf-8")
271 database.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks WHERE blocked = ? OR blocked = ? OR blocked = ? OR blocked = ? OR blocked = ? OR blocked = ? ORDER BY first_seen DESC LIMIT ?", [
273 "*." + domain, wildchar,
274 utils.get_hash(domain),
277 config.get("rss_limit")
280 database.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks ORDER BY first_seen DESC LIMIT ?", [config.get("rss_limit")])
282 result = database.cursor.fetchall()
289 "block_level": row[2],
290 "reason" : "Provided reason: '" + row[3] + "'" if row[3] is not None and row[3] != "" else "No reason provided.",
291 "first_seen" : format_datetime(datetime.fromtimestamp(row[4])),
292 "last_seen" : format_datetime(datetime.fromtimestamp(row[5])),
295 return templates.TemplateResponse("rss.xml", {
297 "timestamp": format_datetime(datetime.now()),
299 "hostname" : config.get("hostname"),
302 "Content-Type": "routerlication/rss+xml"
305 @router.get(config.get("base_url") + "/robots.txt", response_class=PlainTextResponse)
306 def robots(request: Request):
307 return templates.TemplateResponse("robots.txt", {
309 "base_url": config.get("base_url")
312 if __name__ == "__main__":
313 uvicorn.run("api:router", host=config.get("host"), port=config.get("port"), log_level=config.get("log_level"))