(init): Keys and Prefix Management

api/.gitignore

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+data
+*/__pycache__

api/app/db.py

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+import os
+from pathlib import Path
+import sqlite3
+
+tam_data_dir = os.getenv("TAM_DATA_DIR", "./data")
+
+def session():
+    data_dir = Path(tam_data_dir)
+    if not data_dir.is_dir():
+        data_dir.mkdir(parents=True)
+    db_file = data_dir / "tam-remote.db"
+    conn = sqlite3.connect(db_file)
+    cur = conn.cursor()
+    return conn, cur
+
+def init_db():
+    conn, cur = session()
+    cur.execute("CREATE TABLE IF NOT EXISTS auth_keys (auth_key TEXT PRIMARY KEY, description TEXT)")
+    cur.execute("CREATE TABLE IF NOT EXISTS prefixes (prefix TEXT PRIMARY KEY, color TEXT, weight INTEGER)")
+    conn.commit()
+    conn.close()
+
+class RepoTemplate:
+    def __init__(self):
+        self.conn, self.cur = session()
+    def __del__(self):
+        self.conn.close()

api/app/main.py

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+from dataclasses import dataclass
+from db import init_db
+from fastapi import FastAPI, Header
+import os
+from routers import imp_routers
+from system.auth import AuthRepo
+
+tam_env = os.getenv("TAM_ENV", "prod")
+
+@dataclass
+class MainRoute:
+    whoami: str = "TAM Server"
+    authenticated: bool = False
+    healthy: bool = True
+
+init_db()
+
+app = FastAPI(
+    title="TAM Server",
+    description="Server for Ticket Auction Manager",
+    version="0.0.1",
+    docs_url=None if tam_env == "prod" else "/docs",
+    redoc_url=None,
+    openapi_url=None if tam_env == "prod" else "/openapi.json"
+)
+
+@app.get("/api")
+def get_main_route(tam_key: str = Header("")):
+    return MainRoute(authenticated=AuthRepo().check_key(tam_key))
+
+imp_routers(app)

api/app/routers.py

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+from fastapi import FastAPI
+from system.auth import auth_router
+from system.prefixes import prefix_router
+
+def imp_routers(app: FastAPI):
+    app.include_router(auth_router)
+    app.include_router(prefix_router)

api/app/system/auth.py

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+from dataclasses import dataclass
+from db import RepoTemplate
+from fastapi import APIRouter, Header, HTTPException, status
+import os
+import random
+import string
+
+tam_pwd = os.getenv("TAM_PWD", "dbob16")
+ex_pwd = HTTPException(status.HTTP_401_UNAUTHORIZED, "Invalid Password")
+ex_key = HTTPException(status.HTTP_401_UNAUTHORIZED, "Invalid Key")
+rdm_str_choice = string.ascii_uppercase + string.digits
+
+def check_pw(in_pw: str):
+    if tam_pwd != in_pw:
+        raise ex_pwd
+
+def gen_key():
+    return "".join(random.choice(rdm_str_choice) for _ in range(32))
+
+@dataclass
+class AuthReq:
+    description: str = ""
+
+@dataclass
+class AuthKey:
+    auth_key: str = ""
+    description: str = ""
+
+class AuthRepo(RepoTemplate):
+    def get_all_keys(self):
+        self.cur.execute("SELECT * FROM auth_keys ORDER BY description, auth_key")
+        results = self.cur.fetchall()
+        return [AuthKey(*r) for r in results]
+    def create_key(self, desciption: str = ""):
+        while True:
+            new_key = gen_key()
+            self.cur.execute("SELECT * FROM auth_keys WHERE auth_key = ?", (new_key,))
+            results = self.cur.fetchall()
+            if len(results) == 0:
+                break
+        self.cur.execute("INSERT INTO auth_keys VALUES (?, ?) RETURNING *", (new_key, desciption))
+        rtn_key = self.cur.fetchone()
+        self.conn.commit()
+        return AuthKey(*rtn_key)
+    def del_key(self, auth_key: str = ""):
+        self.cur.execute("DELETE FROM auth_keys WHERE auth_key = ? RETURNING *", (auth_key,))
+        results = self.cur.fetchall()
+        self.conn.commit()
+        if len(results) > 0:
+            return AuthKey(*results[0])
+        else:
+            return AuthKey(auth_key, "")
+    def check_key(self, auth_key: str = ""):
+        self.cur.execute("SELECT * FROM auth_keys WHERE auth_key = ?", (auth_key,))
+        results = self.cur.fetchall()
+        if results:
+            return True
+        else:
+            return False
+    def verify_key(self, auth_key: str = ""):
+        self.cur.execute("SELECT * FROM auth_keys WHERE auth_key = ?", (auth_key,))
+        results = self.cur.fetchone()
+        if results:
+            return True
+        else:
+            raise ex_key
+
+auth_router = APIRouter(prefix="/api/auth")
+
+@auth_router.get("")
+def get_auth_keys(tam_pw: str = Header("")) -> list[AuthKey]:
+    check_pw(tam_pw)
+    return AuthRepo().get_all_keys()
+
+@auth_router.post("")
+def create_auth_key(auth_req: AuthReq, tam_pw: str = Header("")) -> AuthKey:
+    check_pw(tam_pw)
+    return AuthRepo().create_key(auth_req.description)
+
+@auth_router.delete("")
+def delete_auth_key(key_to_del: str, tam_pw: str = Header("")) -> AuthKey:
+    check_pw(tam_pw)
+    return AuthRepo().del_key(key_to_del)

api/app/system/prefixes.py

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+from dataclasses import dataclass
+from db import RepoTemplate
+from .auth import AuthRepo
+from fastapi import APIRouter, Header
+
+@dataclass
+class Prefix:
+    prefix: str
+    color: str = ""
+    weight: int = 0
+
+class PrefixRepo(RepoTemplate):
+    def get_all_prefixes(self):
+        self.cur.execute("SELECT * FROM prefixes ORDER BY weight, prefix")
+        results = self.cur.fetchall()
+        return [Prefix(*r) for r in results]
+    def post_prefixes(self, ps: list[Prefix]):
+        for p in ps:
+            self.cur.execute("""INSERT INTO prefixes VALUES (?, ?, ?)
+                ON CONFLICT (prefix) DO UPDATE SET
+                color = EXCLUDED.color, weight = EXCLUDED.weight""", (p.prefix, p.color, p.weight))
+        self.conn.commit()
+        return ps
+    def del_prefix(self, p: str):
+        self.cur.execute("DELETE FROM prefixes WHERE prefix = ? RETURNING *", (p,))
+        result = self.cur.fetchone()
+        self.conn.commit()
+        if result:
+            return Prefix(*result)
+        else:
+            return Prefix(p, "gray", 1)
+
+prefix_router = APIRouter(prefix="/api/prefixes")
+
+@prefix_router.get("")
+def get_all_prefixes(tam_key: str = Header("")):
+    AuthRepo().verify_key(tam_key)
+    return PrefixRepo().get_all_prefixes()
+
+@prefix_router.post("")
+def post_prefixes(ps: list[Prefix], tam_key: str = Header("")):
+    AuthRepo().verify_key(tam_key)
+    return PrefixRepo().post_prefixes(ps)
+
+@prefix_router.delete("")
+def delete_prefixes(p: str, tam_key: str = Header("")):
+    AuthRepo().verify_key(tam_key)
+    return PrefixRepo().del_prefix(p)

api/start_dev.sh

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+TAM_ENV=dev fastapi dev app/main.py