310 lines
11 KiB
Python
310 lines
11 KiB
Python
from base64 import b64decode
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import sqlite3, re
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from typing import List, Union
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from fastapi import APIRouter, HTTPException
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from pydantic import BaseModel
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from modules.regexproxy.utils import STATUS, ProxyManager, gen_internal_port, gen_service_id
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from utils.sqlite import SQLite
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from utils.models import ResetRequest, StatusMessageModel
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from utils import refactor_name, refresh_frontend
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app = APIRouter()
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db = SQLite("db/regextcpproxy.db",{
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'services': {
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'status': 'VARCHAR(100) NOT NULL',
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'service_id': 'VARCHAR(100) PRIMARY KEY',
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'internal_port': 'INT NOT NULL CHECK(internal_port > 0 and internal_port < 65536)',
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'public_port': 'INT NOT NULL CHECK(internal_port > 0 and internal_port < 65536) UNIQUE',
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'name': 'VARCHAR(100) NOT NULL UNIQUE'
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},
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'regexes': {
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'regex': 'TEXT NOT NULL',
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'mode': 'VARCHAR(1) NOT NULL',
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'service_id': 'VARCHAR(100) NOT NULL',
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'is_blacklist': 'BOOLEAN NOT NULL CHECK (is_blacklist IN (0, 1))',
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'blocked_packets': 'INTEGER UNSIGNED NOT NULL DEFAULT 0',
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'regex_id': 'INTEGER PRIMARY KEY',
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'is_case_sensitive' : 'BOOLEAN NOT NULL CHECK (is_case_sensitive IN (0, 1))',
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'active' : 'BOOLEAN NOT NULL CHECK (is_case_sensitive IN (0, 1)) DEFAULT 1',
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'FOREIGN KEY (service_id)':'REFERENCES services (service_id)',
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},
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'QUERY':[
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"CREATE UNIQUE INDEX IF NOT EXISTS unique_regex_service ON regexes (regex,service_id,is_blacklist,mode,is_case_sensitive);"
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]
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})
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firewall = ProxyManager(db)
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async def reset(params: ResetRequest):
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if not params.delete:
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db.backup()
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await firewall.close()
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if params.delete:
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db.delete()
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db.init()
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else:
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db.restore()
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await firewall.reload()
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async def startup():
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db.init()
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await firewall.reload()
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async def shutdown():
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db.backup()
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await firewall.close()
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db.disconnect()
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db.restore()
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class GeneralStatModel(BaseModel):
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closed:int
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regexes: int
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services: int
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@app.get('/stats', response_model=GeneralStatModel)
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async def get_general_stats():
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"""Get firegex general status about services"""
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return db.query("""
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SELECT
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(SELECT COALESCE(SUM(blocked_packets),0) FROM regexes) closed,
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(SELECT COUNT(*) FROM regexes) regexes,
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(SELECT COUNT(*) FROM services) services
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""")[0]
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class ServiceModel(BaseModel):
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id:str
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status: str
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public_port: int
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internal_port: int
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name: str
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n_regex: int
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n_packets: int
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@app.get('/services', response_model=List[ServiceModel])
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async def get_service_list():
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"""Get the list of existent firegex services"""
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return db.query("""
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SELECT
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s.service_id `id`,
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s.status status,
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s.public_port public_port,
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s.internal_port internal_port,
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s.name name,
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COUNT(r.regex_id) n_regex,
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COALESCE(SUM(r.blocked_packets),0) n_packets
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FROM services s LEFT JOIN regexes r ON r.service_id = s.service_id
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GROUP BY s.service_id;
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""")
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@app.get('/service/{service_id}', response_model=ServiceModel)
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async def get_service_by_id(service_id: str):
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"""Get info about a specific service using his id"""
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res = db.query("""
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SELECT
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s.service_id `id`,
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s.status status,
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s.public_port public_port,
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s.internal_port internal_port,
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s.name name,
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COUNT(r.regex_id) n_regex,
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COALESCE(SUM(r.blocked_packets),0) n_packets
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FROM services s LEFT JOIN regexes r ON r.service_id = s.service_id WHERE s.service_id = ?
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GROUP BY s.service_id;
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""", service_id)
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if len(res) == 0: raise HTTPException(status_code=400, detail="This service does not exists!")
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return res[0]
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@app.get('/service/{service_id}/stop', response_model=StatusMessageModel)
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async def service_stop(service_id: str):
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"""Request the stop of a specific service"""
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await firewall.get(service_id).next(STATUS.STOP)
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await refresh_frontend()
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return {'status': 'ok'}
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@app.get('/service/{service_id}/pause', response_model=StatusMessageModel)
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async def service_pause(service_id: str):
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"""Request the pause of a specific service"""
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await firewall.get(service_id).next(STATUS.PAUSE)
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await refresh_frontend()
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return {'status': 'ok'}
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@app.get('/service/{service_id}/start', response_model=StatusMessageModel)
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async def service_start(service_id: str):
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"""Request the start of a specific service"""
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await firewall.get(service_id).next(STATUS.ACTIVE)
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await refresh_frontend()
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return {'status': 'ok'}
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@app.get('/service/{service_id}/delete', response_model=StatusMessageModel)
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async def service_delete(service_id: str):
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"""Request the deletion of a specific service"""
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db.query('DELETE FROM services WHERE service_id = ?;', service_id)
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db.query('DELETE FROM regexes WHERE service_id = ?;', service_id)
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await firewall.remove(service_id)
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await refresh_frontend()
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return {'status': 'ok'}
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@app.get('/service/{service_id}/regen-port', response_model=StatusMessageModel)
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async def regen_service_port(service_id: str):
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"""Request the regeneration of a the internal proxy port of a specific service"""
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db.query('UPDATE services SET internal_port = ? WHERE service_id = ?;', gen_internal_port(db), service_id)
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await firewall.get(service_id).update_port()
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await refresh_frontend()
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return {'status': 'ok'}
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class ChangePortForm(BaseModel):
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port: Union[int, None]
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internalPort: Union[int, None]
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@app.post('/service/{service_id}/change-ports', response_model=StatusMessageModel)
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async def change_service_ports(service_id: str, change_port:ChangePortForm):
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"""Choose and change the ports of the service"""
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if change_port.port is None and change_port.internalPort is None:
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return {'status': 'Invalid Request!'}
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try:
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sql_inj = ""
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query:List[Union[str,int]] = []
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if not change_port.port is None:
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sql_inj+=" public_port = ? "
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query.append(change_port.port)
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if not change_port.port is None and not change_port.internalPort is None:
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sql_inj += ","
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if not change_port.internalPort is None:
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sql_inj+=" internal_port = ? "
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query.append(change_port.internalPort)
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query.append(service_id)
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db.query(f'UPDATE services SET {sql_inj} WHERE service_id = ?;', *query)
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except sqlite3.IntegrityError:
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return {'status': 'Port of the service has been already assigned to another service'}
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await firewall.get(service_id).update_port()
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await refresh_frontend()
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return {'status': 'ok'}
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class RegexModel(BaseModel):
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regex:str
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mode:str
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id:int
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service_id:str
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is_blacklist: bool
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n_packets:int
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is_case_sensitive:bool
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active:bool
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@app.get('/service/{service_id}/regexes', response_model=List[RegexModel])
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async def get_service_regexe_list(service_id: str):
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"""Get the list of the regexes of a service"""
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return db.query("""
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SELECT
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regex, mode, regex_id `id`, service_id, is_blacklist,
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blocked_packets n_packets, is_case_sensitive, active
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FROM regexes WHERE service_id = ?;
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""", service_id)
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@app.get('/regex/{regex_id}', response_model=RegexModel)
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async def get_regex_by_id(regex_id: int):
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"""Get regex info using his id"""
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res = db.query("""
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SELECT
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regex, mode, regex_id `id`, service_id, is_blacklist,
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blocked_packets n_packets, is_case_sensitive, active
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FROM regexes WHERE `id` = ?;
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""", regex_id)
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if len(res) == 0: raise HTTPException(status_code=400, detail="This regex does not exists!")
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return res[0]
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@app.get('/regex/{regex_id}/delete', response_model=StatusMessageModel)
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async def regex_delete(regex_id: int):
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"""Delete a regex using his id"""
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res = db.query('SELECT * FROM regexes WHERE regex_id = ?;', regex_id)
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if len(res) != 0:
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db.query('DELETE FROM regexes WHERE regex_id = ?;', regex_id)
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await firewall.get(res[0]["service_id"]).update_filters()
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await refresh_frontend()
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return {'status': 'ok'}
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@app.get('/regex/{regex_id}/enable', response_model=StatusMessageModel)
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async def regex_enable(regex_id: int):
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"""Request the enabling of a regex"""
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res = db.query('SELECT * FROM regexes WHERE regex_id = ?;', regex_id)
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if len(res) != 0:
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db.query('UPDATE regexes SET active=1 WHERE regex_id = ?;', regex_id)
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await firewall.get(res[0]["service_id"]).update_filters()
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await refresh_frontend()
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return {'status': 'ok'}
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@app.get('/regex/{regex_id}/disable', response_model=StatusMessageModel)
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async def regex_disable(regex_id: int):
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"""Request the deactivation of a regex"""
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res = db.query('SELECT * FROM regexes WHERE regex_id = ?;', regex_id)
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if len(res) != 0:
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db.query('UPDATE regexes SET active=0 WHERE regex_id = ?;', regex_id)
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await firewall.get(res[0]["service_id"]).update_filters()
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await refresh_frontend()
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return {'status': 'ok'}
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class RegexAddForm(BaseModel):
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service_id: str
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regex: str
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mode: str
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active: Union[bool,None]
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is_blacklist: bool
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is_case_sensitive: bool
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@app.post('/regexes/add', response_model=StatusMessageModel)
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async def add_new_regex(form: RegexAddForm):
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"""Add a new regex"""
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try:
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re.compile(b64decode(form.regex))
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except Exception:
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return {"status":"Invalid regex"}
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try:
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db.query("INSERT INTO regexes (service_id, regex, is_blacklist, mode, is_case_sensitive, active ) VALUES (?, ?, ?, ?, ?, ?);",
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form.service_id, form.regex, form.is_blacklist, form.mode, form.is_case_sensitive, True if form.active is None else form.active )
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except sqlite3.IntegrityError:
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return {'status': 'An identical regex already exists'}
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await firewall.get(form.service_id).update_filters()
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await refresh_frontend()
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return {'status': 'ok'}
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class ServiceAddForm(BaseModel):
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name: str
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port: int
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internalPort: Union[int, None]
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class ServiceAddStatus(BaseModel):
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status:str
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id: Union[str,None]
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class RenameForm(BaseModel):
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name:str
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@app.post('/service/{service_id}/rename', response_model=StatusMessageModel)
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async def service_rename(service_id: str, form: RenameForm):
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"""Request to change the name of a specific service"""
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form.name = refactor_name(form.name)
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if not form.name: return {'status': 'The name cannot be empty!'}
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try:
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db.query('UPDATE services SET name=? WHERE service_id = ?;', form.name, service_id)
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except sqlite3.IntegrityError:
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return {'status': 'The name is already used!'}
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await refresh_frontend()
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return {'status': 'ok'}
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@app.post('/services/add', response_model=ServiceAddStatus)
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async def add_new_service(form: ServiceAddForm):
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"""Add a new service"""
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serv_id = gen_service_id(db)
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form.name = refactor_name(form.name)
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try:
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internal_port = form.internalPort if form.internalPort else gen_internal_port(db)
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db.query("INSERT INTO services (name, service_id, internal_port, public_port, status) VALUES (?, ?, ?, ?, ?)",
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form.name, serv_id, internal_port, form.port, 'stop')
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except sqlite3.IntegrityError:
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return {'status': 'Name or/and ports of the service has been already assigned to another service'}
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await firewall.reload()
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await refresh_frontend()
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return {'status': 'ok', "id": serv_id } |