Version bump

Previously support was provided for Redis>=6.2.0

Reviewed-on: #5
Co-authored-by: Ivan Golikov <root@ivnglkv.me>
Co-committed-by: Ivan Golikov <root@ivnglkv.me>

LICENSE

@@ -1,6 +1,6 @@
 The 3-Clause BSD License
 
-Copyright 2022 Ivan Golikov
+Copyright 2025 Ivan Golikov
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 

README.md

@@ -1,6 +1,7 @@
 # Pssecret server
 
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![PyPI - Downloads](https://img.shields.io/pypi/dm/pssecret-server?label=PyPI%20downloads)](https://pypi.org/project/pssecret-server/)
 
 Pssecret is self-hosted service to share secrets (like passwords) with somebody
 over the network, but don't want them to appear in chats, unencrypted e-mails, etc.
@@ -50,6 +51,7 @@ Available configuration options:
 --uds TEXT         Bind to a UNIX domain socket.
 --workers INTEGER  Number of worker processes.  Defaults to the
                    $WEB_CONCURRENCY environment variable if available, or 1.
+--version          Show the version and exit.
 --help             Show this message and exit.
 ```
 

poetry.lock

@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
 
 [[package]]
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-
 [[package]]
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@@ -686,34 +671,6 @@ MarkupSafe = ">=2.0"
 [package.extras]
 i18n = ["Babel (>=2.7)"]
 
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-
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-
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 name = "sniffio"
 version = "1.3.1"
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-]
-
 [extras]
 hiredis = ["hiredis"]
 
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "3f863c00e5297f07e4691a38ef1b81c1428e114bbd9001d5340608cb3f6b70b2"
+content-hash = "0da53315dee1155cfa3ec180a9120b32145497e290f13e17e481597179e2c993"

pssecret_server/cli.py

@@ -1,3 +1,5 @@
+from importlib.metadata import version
+
 import click
 import uvicorn
 
@@ -21,5 +23,6 @@ import uvicorn
     ),
     type=int,
 )
+@click.version_option(version("pssecret_server"))
 def cli(**kwargs) -> None:
     uvicorn.run("pssecret_server.main:app", **kwargs)

pssecret_server/main.py

@@ -8,7 +8,7 @@ from redis.asyncio import Redis
 from pssecret_server.fernet import get_fernet
 from pssecret_server.models import Secret, SecretSaveResult
 from pssecret_server.redis_db import get_redis
-from pssecret_server.utils import decrypt_secret, encrypt_secret, save_secret
+from pssecret_server.utils import decrypt_secret, encrypt_secret, getdel, save_secret
 
 app = FastAPI()
 
@@ -49,7 +49,7 @@ async def set_secret(
 async def get_secret(
     secret_key: str, redis: RedisDep, fernet: FernetDep
 ) -> dict[str, bytes]:
-    data: bytes | None = await redis.getdel(secret_key)
+    data: bytes | None = await getdel(redis, secret_key)
 
     if data is None:
         raise HTTPException(404)

pssecret_server/models.py

@@ -2,7 +2,7 @@ from pydantic import BaseModel, Field
 
 
 class Secret(BaseModel):
-    data: str = Field(title="Secret", description="Some secret data")
+    data: str = Field(title="Secret", description="Some secret data", min_length=1)
 
 
 class SecretSaveResult(BaseModel):

pssecret_server/settings.py

@@ -3,7 +3,7 @@ from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class Settings(BaseSettings):
-    model_config = SettingsConfigDict(env_file=".env")
+    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
 
     redis_url: RedisDsn = RedisDsn("redis://localhost")
     secrets_encryption_key: bytes

pssecret_server/utils.py

@@ -1,7 +1,10 @@
+from functools import lru_cache
 from uuid import uuid4
 
 from cryptography.fernet import Fernet
 from redis.asyncio import Redis
+from redis.exceptions import ResponseError
+from redis.typing import ResponseT
 
 from pssecret_server.models import Secret
 
@@ -30,3 +33,35 @@ async def save_secret(data: Secret, redis: Redis) -> str:
     await redis.setex(new_key, 60 * 60 * 24, data.data)
 
     return new_key
+
+
+@lru_cache
+async def _is_getdel_available(redis: Redis) -> bool:
+    """Checks the availability of GETDEL command on the Redis server instance
+
+    GETDEL is not available in Redis prior to version 6.2
+    """
+    try:
+        await redis.getdel("test:getdel:availability")
+    except ResponseError:
+        return False
+
+    return True
+
+
+async def getdel(redis: Redis, key: str) -> ResponseT:
+    """Gets the value of key and deletes the key
+
+    Depending on the capabilities of Redis server this function
+    will either call GETDEL command, either first call GETSET with empty string
+    and DEL right after that.
+    """
+    result: ResponseT
+
+    if await _is_getdel_available(redis):
+        result = await redis.getdel(key)
+    else:
+        result = await redis.getset(key, "")
+        await redis.delete(key)
+
+    return result

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pssecret-server"
-version = "0.0.1"
+version = "1.1.2"
 description = "API service for secrets sharing over network"
 authors = ["Ivan Golikov <root@ivnglkv.me>"]
 license = "BSD-3-Clause"
@@ -9,12 +9,14 @@ homepage = "https://git.ivnglkv.me/root/pssecret-server"
 repository = "https://git.ivnglkv.me/root/pssecret-server"
 documentation = "https://git.ivnglkv.me/root/pssecret-server/wiki"
 classifiers = [
-  "Development Status :: 2 - Pre-Alpha",
+  "Development Status :: 5 - Production/Stable",
   "Environment :: Web Environment",
   "Framework :: FastAPI",
   "Intended Audience :: Information Technology",
   "Operating System :: OS Independent",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Internet :: WWW/HTTP :: WSGI :: Application"
 ]
 
@@ -29,7 +31,6 @@ fastapi = { version = "0.115.6", extras = [ "standard" ] }
 redis = "5.2.1"
 hiredis = { version = "3.1.0", optional = true }
 cryptography = "^44"
-slowapi = "^0.1.9"
 
 [tool.poetry.extras]
 hiredis = ["hiredis"]
@@ -52,3 +53,6 @@ reportUnusedCallResult = "none"
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
+
+[tool.isort]
+profile = "black"

tests/integration/test_api.py

@@ -3,6 +3,13 @@ from fastapi.testclient import TestClient
 from tests.factories import SecretFactory
 
 
+def test_empty_secret_is_not_accepted(client: TestClient):
+    response = client.post("/secret", json={"data": ""})
+
+    assert response.status_code == 422
+    assert "data" in response.text
+
+
 def test_store_secret_returns_key(client: TestClient):
     response = client.post("/secret", json=dict(SecretFactory().build()))
 

tests/integration/test_utils.py

@@ -1,8 +1,9 @@
-from unittest.mock import patch
+from unittest.mock import AsyncMock, patch
 
+import pytest
 from redis.asyncio import Redis
 
-from pssecret_server.utils import get_new_key, save_secret
+from pssecret_server.utils import get_new_key, getdel, save_secret
 
 from ..factories import SecretFactory
 
@@ -33,3 +34,22 @@ async def test_save_secret_data(redis_server: Redis) -> None:
 
     assert redis_data is not None
     assert redis_data.decode() == secret.data
+
+
+@pytest.mark.parametrize("getdel_available", [True, False])
+@patch("pssecret_server.utils._is_getdel_available", new_callable=AsyncMock)
+async def test_getdel(
+    mock_is_getdel_available: AsyncMock,
+    getdel_available: bool,
+    redis_server: Redis,
+) -> None:
+    mock_is_getdel_available.return_value = getdel_available
+
+    test_value = "test_data"
+    test_key = "test_key"
+    await redis_server.set(test_key, test_value)
+
+    result = await getdel(redis_server, test_key)
+
+    assert result.decode() == test_value  # pyright: ignore[reportAttributeAccessIssue]
+    assert not await redis_server.exists(test_key)

tests/unit/test_utils.py

@@ -1,7 +1,10 @@
+from unittest.mock import AsyncMock
+
 import pytest
 from cryptography.fernet import Fernet, InvalidToken
+from redis.exceptions import ResponseError
 
-from pssecret_server.utils import decrypt_secret, encrypt_secret
+from pssecret_server.utils import _is_getdel_available, decrypt_secret, encrypt_secret
 
 from ..factories import SecretFactory
 
@@ -29,3 +32,17 @@ def test_secret_is_not_decryptable_by_random_key(fernet: Fernet):
 
     with pytest.raises(InvalidToken):
         decrypt_secret(encrypted_secret.data.encode(), random_fernet)
+
+
+@pytest.mark.parametrize(
+    ("getdel_effect", "expected_result"), [(None, True), (ResponseError, False)]
+)
+async def test_is_getdel_available(
+    getdel_effect: ResponseError | None, expected_result: bool
+):
+    redis = AsyncMock()
+    redis.getdel.side_effect = getdel_effect  # pyright: ignore[reportAny]
+
+    result = await _is_getdel_available(redis)
+
+    assert result is expected_result