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/>.
17 from fastapi import Request, HTTPException, Query
18 from fastapi.responses import JSONResponse
19 from fastapi.responses import PlainTextResponse
20 from fastapi.templating import Jinja2Templates
21 from datetime import datetime
22 from email import utils
32 router = fastapi.FastAPI(docs_url=config.get("base_url") + "/docs", redoc_url=config.get("base_url") + "/redoc")
33 templates = Jinja2Templates(directory="templates")
35 @router.get(config.get("base_url") + "/api/info.json", response_class=JSONResponse)
37 fba.cursor.execute("SELECT (SELECT COUNT(domain) FROM instances), (SELECT COUNT(domain) FROM instances WHERE software IN ('pleroma', 'mastodon', 'misskey', 'friendica', 'bookwyrm', 'takahe', 'peertube')), (SELECT COUNT(blocker) FROM blocks), (SELECT COUNT(domain) FROM instances WHERE last_status_code IS NOT NULL)")
38 known, indexed, blocklist, errorous = fba.cursor.fetchone()
41 "known_instances" : known,
42 "indexed_instances" : indexed,
43 "blocks_recorded" : blocklist,
44 "errorous_instances": errorous,
45 "slogan" : config.get("slogan")
48 @router.get(config.get("base_url") + "/api/top.json", response_class=JSONResponse)
49 def top(blocked: int = None, blockers: int = None, reference: int = None, software: int = None, originator: int = None, error_code: int = None):
52 raise HTTPException(status_code=400, detail="Too many results")
53 fba.cursor.execute("SELECT blocked, COUNT(blocked) FROM blocks WHERE block_level = 'reject' GROUP BY blocked ORDER BY COUNT(blocked) DESC LIMIT ?", [blocked])
54 elif blockers != None:
56 raise HTTPException(status_code=400, detail="Too many results")
57 fba.cursor.execute("SELECT blocker, COUNT(blocker) FROM blocks WHERE block_level = 'reject' GROUP BY blocker ORDER BY COUNT(blocker) DESC LIMIT ?", [blockers])
58 elif reference != None:
60 raise HTTPException(status_code=400, detail="Too many results")
61 fba.cursor.execute("SELECT origin, COUNT(domain) FROM instances WHERE software IS NOT NULL GROUP BY origin ORDER BY COUNT(domain) DESC LIMIT ?", [reference])
62 elif software != None:
64 raise HTTPException(status_code=400, detail="Too many results")
65 fba.cursor.execute("SELECT software, COUNT(domain) FROM instances WHERE software IS NOT NULL GROUP BY software ORDER BY COUNT(domain) DESC, software ASC LIMIT ?", [software])
66 elif originator != None:
68 raise HTTPException(status_code=400, detail="Too many results")
69 fba.cursor.execute("SELECT originator, COUNT(domain) FROM instances WHERE originator IS NOT NULL GROUP BY originator ORDER BY COUNT(domain) DESC, originator ASC LIMIT ?", [originator])
70 elif error_code != None:
72 raise HTTPException(status_code=400, detail="Too many results")
73 fba.cursor.execute("SELECT last_status_code, COUNT(domain) AS cnt FROM instances WHERE last_status_code IS NOT NULL AND last_status_code != '200' GROUP BY last_status_code ORDER BY cnt DESC LIMIT ?", [error_code])
75 raise HTTPException(status_code=400, detail="No filter specified")
77 scores = fba.cursor.fetchall()
81 for domain, highscore in scores:
84 "highscore": highscore
89 @router.get(config.get("base_url") + "/api/index.json", response_class=JSONResponse)
90 def blocked(domain: str = None, reason: str = None, reverse: str = None):
91 if domain == None and reason == None and reverse == None:
92 raise HTTPException(status_code=400, detail="No filter specified")
95 reason = re.sub("(%|_)", "", reason)
97 raise HTTPException(status_code=400, detail="Keyword is shorter than three characters")
100 wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):])
101 punycode = domain.encode('idna').decode('utf-8')
102 fba.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",
103 (domain, "*." + domain, wildchar, fba.get_hash(domain), punycode, "*." + punycode))
104 elif reverse != None:
105 fba.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks WHERE blocker = ? ORDER BY first_seen ASC", [reverse])
107 fba.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 + "%"])
109 blocklist = fba.cursor.fetchall()
112 for blocker, blocked, block_level, reason, first_seen, last_seen in blocklist:
113 if reason != None and reason != "":
114 reason = reason.replace(",", " ").replace(" ", " ")
120 "first_seen": first_seen,
121 "last_seen" : last_seen
124 if block_level in result:
125 result[block_level].append(entry)
127 result[block_level] = [entry]
131 @router.get(config.get("base_url") + "/api/mutual.json", response_class=JSONResponse)
132 def mutual(domains: list[str] = Query()):
133 """Return 200 if federation is open between the two, 4xx otherwise"""
135 "SELECT block_level FROM blocks " \
136 "WHERE ((blocker = :a OR blocker = :b) AND (blocked = :b OR blocked = :a OR blocked = :aw OR blocked = :bw)) " \
137 "AND block_level = 'reject' " \
142 "aw": "*." + domains[0],
143 "bw": "*." + domains[1],
146 response = fba.cursor.fetchone()
148 if response is not None:
150 return JSONResponse(status_code=418, content={})
153 return JSONResponse(status_code=200, content={})
155 @router.get(config.get("base_url") + "/scoreboard")
156 def index(request: Request, blockers: int = None, blocked: int = None, reference: int = None, software: int = None, originator: int = None, error_code: int = None):
157 if blockers != None and blockers > 0:
158 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/top.json?blockers={blockers}")
159 elif blocked != None and blocked > 0:
160 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/top.json?blocked={blocked}")
161 elif reference != None and reference > 0:
162 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/top.json?reference={reference}")
163 elif software != None and software > 0:
164 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/top.json?software={software}")
165 elif originator != None and originator > 0:
166 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/top.json?originator={originator}")
167 elif error_code != None and error_code > 0:
168 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/top.json?error_code={error_code}")
170 raise HTTPException(status_code=400, detail="No filter specified")
173 raise HTTPException(status_code=500, detail="Could not determine scores")
174 elif not response.ok:
175 raise HTTPException(status_code=response.status_code, detail=response.text)
177 return templates.TemplateResponse("views/scoreboard.html", {
178 "base_url" : config.get("base_url"),
179 "slogan" : config.get("slogan"),
182 "blockers" : blockers,
184 "reference" : reference,
185 "software" : software,
186 "originator": originator,
187 "error_code": error_code,
188 "scores" : fba.json_from_response(response)
191 @router.get(config.get("base_url") + "/")
192 def index(request: Request):
194 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/info.json")
197 raise HTTPException(status_code=response.status_code, detail=response.text)
199 return templates.TemplateResponse("views/index.html", {
201 "info" : response.json()
204 @router.get(config.get("base_url") + "/top")
205 def index(request: Request, domain: str = None, reason: str = None, reverse: str = None):
206 if domain == "" or reason == "" or reverse == "":
207 raise HTTPException(status_code=500, detail="Insufficient parameter provided")
209 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/info.json")
212 raise HTTPException(status_code=response.status_code, detail=response.text)
214 info = response.json()
218 if not validators.domain(domain):
219 raise HTTPException(status_code=500, detail="Invalid domain")
221 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/index.json?domain={domain}")
223 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/index.json?reason={reason}")
224 elif reverse != None:
225 if not validators.domain(reverse):
226 raise HTTPException(status_code=500, detail="Invalid domain")
228 response = requests.get(f"http://{config.get('host')}:{config.get('port')}{config.get('base_url')}/api/index.json?reverse={reverse}")
232 raise HTTPException(status_code=response.status_code, detail=response.text)
233 blocklist = response.json()
234 for block_level in blocklist:
235 for block in blocklist[block_level]:
236 block["first_seen"] = datetime.utcfromtimestamp(block["first_seen"]).strftime(config.get("timestamp_format"))
237 block["last_seen"] = datetime.utcfromtimestamp(block["last_seen"]).strftime(config.get("timestamp_format"))
239 return templates.TemplateResponse("views/top.html", {
242 "blocks" : blocklist,
248 @router.get(config.get("base_url") + "/rss")
249 def rss(request: Request, domain: str = None):
251 wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):])
252 punycode = domain.encode('idna').decode('utf-8')
253 fba.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 50",
254 (domain, "*." + domain, wildchar, fba.get_hash(domain), punycode, "*." + punycode))
256 fba.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks ORDER BY first_seen DESC LIMIT 50")
258 result = fba.cursor.fetchall()
261 for blocker, blocked, block_level, reason, first_seen, last_seen in result:
262 first_seen = utils.format_datetime(datetime.fromtimestamp(first_seen))
263 if reason == None or reason == '':
264 reason = "No reason provided."
266 reason = "Provided reason: '" + reason + "'"
271 "block_level": block_level,
273 "first_seen" : first_seen
276 return templates.TemplateResponse("rss.xml", {
278 "timestamp": utils.format_datetime(datetime.now()),
280 "hostname" : config.get("hostname"),
283 "Content-Type": "routerlication/rss+xml"
286 @router.get(config.get("base_url") + "/robots.txt", response_class=PlainTextResponse)
287 def robots(request: Request):
288 return templates.TemplateResponse("robots.txt", {
290 "base_url": config.get("base_url")
293 if __name__ == "__main__":
294 uvicorn.run("api:router", host=config.get("host"), port=config.get("port"), log_level=config.get("log_level"))