X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=api.py;h=7b18ead8947b0e798ae1c31a4d77672c44cdfa1f;hb=ab9778ff76580cb17aa79d3e654466a9b1e06728;hp=cd302ef28a00c69cc10f80ab8c672a4360d6213f;hpb=2305220bc99c49cd7fc400719a674e408b688678;p=fba.git diff --git a/api.py b/api.py index cd302ef..7b18ead 100644 --- a/api.py +++ b/api.py @@ -1,93 +1,261 @@ -import uvicorn -from fastapi import FastAPI, Request, HTTPException, responses -import sqlite3 -from hashlib import sha256 +# Fedi API Block - An aggregator for fetching blocking data from fediverse nodes +# Copyright (C) 2023 Free Software Foundation +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published +# by the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see . + +from fastapi import Request, HTTPException, responses, Query +from fastapi.responses import PlainTextResponse from fastapi.templating import Jinja2Templates -from requests import get -from json import loads +from datetime import datetime +from email import utils -with open("config.json") as f: - config = loads(f.read()) - base_url = config["base_url"] - port = config["port"] -app = FastAPI(docs_url=base_url+"/docs", redoc_url=base_url+"/redoc") -templates = Jinja2Templates(directory=".") +import fastapi +import uvicorn +import requests +import re +import fba -def get_hash(domain: str) -> str: - return sha256(domain.encode("utf-8")).hexdigest() +router = fastapi.FastAPI(docs_url=fba.config["base_url"] + "/docs", redoc_url=fba.config["base_url"] + "/redoc") +templates = Jinja2Templates(directory="templates") -@app.get(base_url+"/info") +@router.get(fba.config["base_url"] + "/api/info") def info(): - conn = sqlite3.connect("blocks.db") - c = conn.cursor() - c.execute("select (select count(domain) from instances), (select count(domain) from instances where software in ('pleroma', 'mastodon')), (select count(blocker) from blocks)") - known, indexed, blocks = c.fetchone() - c.close() + fba.cursor.execute("SELECT (SELECT COUNT(domain) FROM instances), (SELECT COUNT(domain) FROM instances WHERE software IN ('pleroma', 'mastodon', 'misskey', 'gotosocial', 'friendica', 'bookwyrm', 'takahe', 'peertube')), (SELECT COUNT(blocker) FROM blocks), (SELECT COUNT(domain) FROM instances WHERE last_status_code IS NOT NULL)") + known, indexed, blocks, errorous = fba.cursor.fetchone() + return { - "known_instances": known, - "indexed_instances": indexed, - "blocks_recorded": blocks, - "source_code": "https://git.kiwifarms.net/mint/fedi-block-api", + "known_instances" : known, + "indexed_instances" : indexed, + "blocks_recorded" : blocks, + "errorous_instances": errorous, + "slogan" : fba.config["slogan"] } -@app.get(base_url+"/api") -def blocked(domain: str = None, reason: str = None): - if domain == None and reason == None: +@router.get(fba.config["base_url"] + "/api/top") +def top(blocked: int = None, blockers: int = None, reference: int = None, software: int = None): + if blocked != None: + if blocked > 500: + raise HTTPException(status_code=400, detail="Too many results") + fba.cursor.execute("SELECT blocked, COUNT(blocked) FROM blocks WHERE block_level = 'reject' GROUP BY blocked ORDER BY COUNT(blocked) DESC LIMIT ?", [blocked]) + elif blockers != None: + if blockers > 500: + raise HTTPException(status_code=400, detail="Too many results") + fba.cursor.execute("SELECT blocker, COUNT(blocker) FROM blocks WHERE block_level = 'reject' GROUP BY blocker ORDER BY COUNT(blocker) DESC LIMIT ?", [blockers]) + elif reference != None: + if reference > 500: + raise HTTPException(status_code=400, detail="Too many results") + fba.cursor.execute("SELECT origin, COUNT(domain) FROM instances GROUP BY origin ORDER BY COUNT(domain) DESC LIMIT ?", [reference]) + elif software != None: + if software > 500: + raise HTTPException(status_code=400, detail="Too many results") + 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]) + else: + raise HTTPException(status_code=400, detail="No filter specified") + + scores = fba.cursor.fetchall() + + scoreboard = [] + + for domain, highscore in scores: + scoreboard.append({ + "domain" : domain, + "highscore": highscore + }) + + return scoreboard + +@router.get(fba.config["base_url"] + "/api") +def blocked(domain: str = None, reason: str = None, reverse: str = None): + if domain == None and reason == None and reverse == None: raise HTTPException(status_code=400, detail="No filter specified") - conn = sqlite3.connect("blocks.db") - c = conn.cursor() + + if reason != None: + reason = re.sub("(%|_)", "", reason) + if len(reason) < 3: + raise HTTPException(status_code=400, detail="Keyword is shorter than three characters") + if domain != None: wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):]) - c.execute("select blocker, block_level, reason from blocks where blocked = ? or blocked = ? or blocked = ? or blocked = ? or blocked = ? or blocked = ?", - (domain, "*." + domain, wildchar, get_hash(domain), domain.encode('idna'), "*." + domain.encode('idna'))) + punycode = domain.encode('idna').decode('utf-8') + 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", + (domain, "*." + domain, wildchar, fba.get_hash(domain), punycode, "*." + punycode)) + elif reverse != None: + fba.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks WHERE blocker = ? ORDER BY first_seen ASC", [reverse]) else: - c.execute("select * from blocks where reason like ? and reason != ''", ("%"+reason+"%",)) - blocks = c.fetchall() - conn.close() + 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 + "%"]) + + blocks = fba.cursor.fetchall() result = {} - reasons = {} - if domain != None: - for domain, block_level, reason in blocks: - if block_level in result: - result[block_level].append(domain) - else: - result[block_level] = [domain] - - if reason != "": - if block_level in reasons: - reasons[block_level][domain] = reason - else: - reasons[block_level] = {domain: reason} - return {"blocks": result, "reasons": reasons} - - for blocker, blocked, reason, block_level in blocks: + for blocker, blocked, block_level, reason, first_seen, last_seen in blocks: + entry = { + "blocker" : blocker, + "blocked" : blocked, + "reason" : reason, + "first_seen": first_seen, + "last_seen" : last_seen + } if block_level in result: - result[block_level].append({"blocker": blocker, "blocked": blocked, "reason": reason}) + result[block_level].append(entry) else: - result[block_level] = [{"blocker": blocker, "blocked": blocked, "reason": reason}] - return {"blocks": result} + result[block_level] = [entry] + + return result + +@router.get(fba.config["base_url"] + "/scoreboard") +def index(request: Request, blockers: int = None, blocked: int = None, reference: int = None, software: int = None): + scores = None + + if blockers != None and blockers > 0: + res = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api/top?blockers={blockers}") + elif blocked != None and blocked > 0: + res = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api/top?blocked={blocked}") + elif reference != None and reference > 0: + res = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api/top?reference={reference}") + elif software != None and software > 0: + res = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api/top?software={software}") + else: + raise HTTPException(status_code=400, detail="No filter specified") + + if res == None: + raise HTTPException(status_code=500, detail="Could not determine scores") + elif not res.ok: + raise HTTPException(status_code=res.status_code, detail=res.text) -@app.get(base_url+"/") -def index(request: Request, domain: str = None, reason: str = None): - if domain == "" or reason == "": + return templates.TemplateResponse("scoreboard.html", { + "base_url" : fba.config["base_url"], + "slogan" : fba.config["slogan"], + "request" : request, + "scoreboard": True, + "blockers" : blockers, + "blocked" : blocked, + "reference" : reference, + "software" : software, + "scores" : res.json() + }) + +@router.get(fba.config["base_url"] + "/") +def index(request: Request, domain: str = None, reason: str = None, reverse: str = None): + if domain == "" or reason == "" or reverse == "": return responses.RedirectResponse("/") + info = None blocks = None - if domain == None and reason == None: - info = get(f"http://127.0.0.1:{port}{base_url}/info") + + if domain == None and reason == None and reverse == None: + info = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api/info") + if not info.ok: raise HTTPException(status_code=info.status_code, detail=info.text) + info = info.json() elif domain != None: - blocks = get(f"http://127.0.0.1:{port}{base_url}/api?domain={domain}") + blocks = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api?domain={domain}") elif reason != None: - blocks = get(f"http://127.0.0.1:{port}{base_url}/api?reason={reason}") + blocks = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api?reason={reason}") + elif reverse != None: + blocks = requests.get(f"http://{fba.config['host']}:{fba.config['port']}{fba.config['base_url']}/api?reverse={reverse}") + if blocks != None: if not blocks.ok: raise HTTPException(status_code=blocks.status_code, detail=blocks.text) blocks = blocks.json() - return templates.TemplateResponse("index.html", {"request": request, "domain": domain, "blocks": blocks, "reason": reason, "info": info}) + for block_level in blocks: + for block in blocks[block_level]: + block["first_seen"] = datetime.utcfromtimestamp(block["first_seen"]).strftime('%Y-%m-%d %H:%M') + block["last_seen"] = datetime.utcfromtimestamp(block["last_seen"]).strftime('%Y-%m-%d %H:%M') + + return templates.TemplateResponse("index.html", { + "request": request, + "domain" : domain, + "blocks" : blocks, + "reason" : reason, + "reverse": reverse, + "info" : info + }) + +@router.get(fba.config["base_url"] + "/api/mutual") +def mutual(domains: list[str] = Query()): + """Return 200 if federation is open between the two, 4xx otherwise""" + fba.cursor.execute( + "SELECT block_level FROM blocks " \ + "WHERE ((blocker = :a OR blocker = :b) AND (blocked = :b OR blocked = :a OR blocked = :aw OR blocked = :bw)) " \ + "AND block_level = 'reject' " \ + "LIMIT 1", + { + "a" : domains[0], + "b" : domains[1], + "aw": "*." + domains[0], + "bw": "*." + domains[1], + }, + ) + res = fba.cursor.fetchone() + + if res is not None: + # Blocks found + return responses.JSONResponse(status_code=418, content={}) + + # No known blocks + return responses.JSONResponse(status_code=200, content={}) + +@router.get(fba.config["base_url"] + "/rss") +def rss(request: Request, domain: str = None): + if domain != None: + wildchar = "*." + ".".join(domain.split(".")[-domain.count("."):]) + punycode = domain.encode('idna').decode('utf-8') + 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", + (domain, "*." + domain, wildchar, fba.get_hash(domain), punycode, "*." + punycode)) + else: + fba.cursor.execute("SELECT blocker, blocked, block_level, reason, first_seen, last_seen FROM blocks ORDER BY first_seen DESC LIMIT 50") + + blocks = fba.cursor.fetchall() + + result = [] + for blocker, blocked, block_level, reason, first_seen, last_seen in blocks: + first_seen = utils.format_datetime(datetime.fromtimestamp(first_seen)) + if reason == None or reason == '': + reason = "No reason provided." + else: + reason = "Provided reason: '" + reason + "'" + + result.append({ + "blocker" : blocker, + "blocked" : blocked, + "block_level": block_level, + "reason" : reason, + "first_seen" : first_seen + }) + + timestamp = utils.format_datetime(datetime.now()) + + return templates.TemplateResponse("rss.xml", { + "request" : request, + "timestamp": timestamp, + "domain" : domain, + "blocks" : result + }, headers={ + "Content-Type": "routerlication/rss+xml" + }) + +@router.get(fba.config["base_url"] + "/robots.txt", response_class=PlainTextResponse) +def robots(request: Request): + return templates.TemplateResponse("robots.txt", { + "request" : request, + "base_url": fba.config["base_url"] + }, headers={ + "Content-Type": "text/plain" + }) if __name__ == "__main__": - uvicorn.run("api:app", host="127.0.0.1", port=port, log_level="info") + uvicorn.run("api:router", host=fba.config["host"], port=fba.config["port"], log_level=fba.config["log_level"])