2 from fastapi import FastAPI, Request, HTTPException, responses, Query
4 from hashlib import sha256
5 from fastapi.templating import Jinja2Templates
6 from requests import get
9 from datetime import datetime
11 with open("config.json") as f:
12 config = loads(f.read())
13 base_url = config["base_url"]
15 app = FastAPI(docs_url=base_url+"/docs", redoc_url=base_url+"/redoc")
16 templates = Jinja2Templates(directory=".")
18 def get_hash(domain: str) -> str:
19 return sha256(domain.encode("utf-8")).hexdigest()
21 @app.get(base_url+"/info")
23 conn = sqlite3.connect("blocks.db")
25 c.execute("select (select count(domain) from instances), (select count(domain) from instances where software in ('pleroma', 'mastodon', 'misskey', 'gotosocial', 'friendica')), (select count(blocker) from blocks)")
26 known, indexed, blocks = c.fetchone()
29 "known_instances": known,
30 "indexed_instances": indexed,
31 "blocks_recorded": blocks
34 @app.get(base_url+"/top")
35 def top(blocked: int = None, blockers: int = None):
36 conn = sqlite3.connect("blocks.db")
38 if blocked == None and blockers == None:
39 raise HTTPException(status_code=400, detail="No filter specified")
42 raise HTTPException(status_code=400, detail="Too many results")
43 c.execute("select blocked, count(blocked) from blocks where block_level = 'reject' group by blocked order by count(blocked) desc limit ?", (blocked,))
44 elif blockers != None:
46 raise HTTPException(status_code=400, detail="Too many results")
47 c.execute("select blocker, count(blocker) from blocks where block_level = 'reject' group by blocker order by count(blocker) desc limit ?", (blockers,))
53 for domain, highscore in scores:
54 scoreboard.append({"domain": domain, "highscore": highscore})
58 @app.get(base_url+"/api")
59 def blocked(domain: str = None, reason: str = None, reverse: str = None):
60 if domain == None and reason == None and reverse == None:
61 raise HTTPException(status_code=400, detail="No filter specified")
63 reason = sub("(%|_)", "", reason)
65 raise HTTPException(status_code=400, detail="Keyword is shorter than three characters")
66 conn = sqlite3.connect("blocks.db")
69 wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):])
70 punycode = domain.encode('idna').decode('utf-8')
71 c.execute("select blocker, blocked, block_level, reason, first_added, last_seen from blocks where blocked = ? or blocked = ? or blocked = ? or blocked = ? or blocked = ? or blocked = ? order by first_added asc",
72 (domain, "*." + domain, wildchar, get_hash(domain), punycode, "*." + punycode))
74 c.execute("select blocker, blocked, block_level, reason, first_added, last_seen from blocks where blocker = ? order by first_added asc", (reverse,))
76 c.execute("select blocker, blocked, block_level, reason, first_added, last_seen from blocks where reason like ? and reason != '' order by first_added asc", ("%"+reason+"%",))
81 for blocker, blocked, block_level, reason, first_added, last_seen in blocks:
82 entry = {"blocker": blocker, "blocked": blocked, "reason": reason, "first_added": first_added, "last_seen": last_seen}
83 if block_level in result:
84 result[block_level].append(entry)
86 result[block_level] = [entry]
90 @app.get(base_url+"/scoreboard")
91 def index(request: Request, blockers: int = None, blocked: int = None):
92 if blockers == None and blocked == None:
93 raise HTTPException(status_code=400, detail="No filter specified")
94 elif blockers != None:
95 scores = get(f"http://127.0.0.1:{port}{base_url}/top?blockers={blockers}")
97 scores = get(f"http://127.0.0.1:{port}{base_url}/top?blocked={blocked}")
100 raise HTTPException(status_code=blocks.status_code, detail=blocks.text)
101 scores = scores.json()
102 return templates.TemplateResponse("index.html", {"request": request, "scoreboard": True, "blockers": blockers, "blocked": blocked, "scores": scores})
104 @app.get(base_url+"/")
105 def index(request: Request, domain: str = None, reason: str = None, reverse: str = None):
106 if domain == "" or reason == "" or reverse == "":
107 return responses.RedirectResponse("/")
110 if domain == None and reason == None and reverse == None:
111 info = get(f"http://127.0.0.1:{port}{base_url}/info")
113 raise HTTPException(status_code=info.status_code, detail=info.text)
116 blocks = get(f"http://127.0.0.1:{port}{base_url}/api?domain={domain}")
118 blocks = get(f"http://127.0.0.1:{port}{base_url}/api?reason={reason}")
119 elif reverse != None:
120 blocks = get(f"http://127.0.0.1:{port}{base_url}/api?reverse={reverse}")
123 raise HTTPException(status_code=blocks.status_code, detail=blocks.text)
124 blocks = blocks.json()
125 for block_level in blocks:
126 for block in blocks[block_level]:
127 block["first_added"] = datetime.utcfromtimestamp(block["first_added"]).strftime('%Y-%m-%d %H:%M')
128 block["last_seen"] = datetime.utcfromtimestamp(block["last_seen"]).strftime('%Y-%m-%d %H:%M')
130 return templates.TemplateResponse("index.html", {"request": request, "domain": domain, "blocks": blocks, "reason": reason, "reverse": reverse, "info": info})
132 @app.get(base_url+"/api/mutual")
133 def mutual(domains: list[str] = Query()):
134 """Return 200 if federation is open between the two, 4xx otherwise"""
135 conn = sqlite3.connect('blocks.db')
138 "SELECT block_level FROM blocks " \
139 "WHERE ((blocker = :a OR blocker = :b) AND (blocked = :b OR blocked = :a OR blocked = :w)) " \
140 "AND block_level = 'reject' " \
144 "w": "*." + domains[0],
152 return responses.JSONResponse(status_code=418, content={})
154 return responses.JSONResponse(status_code=200, content={})
156 if __name__ == "__main__":
157 uvicorn.run("api:app", host="127.0.0.1", port=port, log_level="info")