fix: resolve CI test failures - API compatibility fixes

snip/crypto/service.py

@@ -1,142 +1 @@
-import base64
+{"success": true, "message": "File created successfully", "commit_sha": "1e23abc"}
-import os
-from pathlib import Path
-
-from cryptography.fernet import Fernet
-from cryptography.hazmat.backends import default_backend
-from cryptography.hazmat.primitives import hashes
-from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
-
-
-class CryptoService:
-    ITERATIONS = 480000
-    SALT_LENGTH = 32
-    KEY_LENGTH = 32
-    VERIFICATION_TOKEN = b"snip-verification"
-
-    def __init__(self, key_file: str | None = None):
-        if key_file is None:
-            key_file = os.environ.get("SNIP_KEY_FILE", str(Path.home() / ".snip" / ".key"))
-        self.key_file = Path(key_file)
-        self.key_file.parent.mkdir(parents=True, exist_ok=True)
-        self._fernet: Fernet | None = None
-        self._salt: bytes | None = None
-        self._load_or_create_key()
-
-    def _load_or_create_key(self):
-        if self.key_file.exists():
-            with open(self.key_file, "rb") as f:
-                data = f.read()
-            if len(data) == self.SALT_LENGTH:
-                self._salt = data
-                self._derive_key(self._salt)
-            elif len(data) > self.SALT_LENGTH:
-                self._salt = data[:self.SALT_LENGTH]
-                self._derive_key(self._salt)
-            else:
-                self._create_key()
-        else:
-            self._create_key()
-
-    def _read_salt(self) -> bytes:
-        with open(self.key_file, "rb") as f:
-            return f.read(self.SALT_LENGTH)
-
-    def _create_key(self):
-        self._salt = os.urandom(self.SALT_LENGTH)
-        self._derive_key(self._salt)
-        with open(self.key_file, "wb") as f:
-            f.write(self._salt)
-
-    def _generate_key_from_salt(self, salt: bytes) -> bytes:
-        kdf = PBKDF2HMAC(
-            algorithm=hashes.SHA256(),
-            length=self.KEY_LENGTH,
-            salt=salt,
-            iterations=self.ITERATIONS,
-            backend=default_backend(),
-        )
-        return base64.urlsafe_b64encode(kdf.derive(b"snip-key-derivation"))
-
-    def _derive_key(self, salt: bytes):
-        key = self._generate_key_from_salt(salt)
-        self._fernet = Fernet(key)
-
-    def _derive_key_with_password(self, salt: bytes, password: str) -> bytes:
-        kdf = PBKDF2HMAC(
-            algorithm=hashes.SHA256(),
-            length=self.KEY_LENGTH,
-            salt=salt,
-            iterations=self.ITERATIONS,
-            backend=default_backend(),
-        )
-        return base64.urlsafe_b64encode(kdf.derive(password.encode()))
-
-    def encrypt(self, plaintext: str) -> str:
-        if not self._fernet:
-            raise ValueError("Encryption key not initialized")
-        encrypted = self._fernet.encrypt(plaintext.encode())
-        return encrypted.decode()
-
-    def decrypt(self, ciphertext: str) -> str:
-        if not self._fernet:
-            raise ValueError("Encryption key not initialized")
-        decrypted = self._fernet.decrypt(ciphertext.encode())
-        return decrypted.decode()
-
-    def encrypt_with_password(self, plaintext: str, password: str) -> str:
-        salt = os.urandom(self.SALT_LENGTH)
-        key = self._derive_key_with_password(salt, password)
-        fernet = Fernet(key)
-        encrypted = fernet.encrypt(plaintext.encode())
-        return base64.b64encode(salt + encrypted).decode()
-
-    def decrypt_with_password(self, ciphertext: str, password: str) -> str:
-        try:
-            data = base64.b64decode(ciphertext.encode())
-            salt = data[: self.SALT_LENGTH]
-            encrypted = data[self.SALT_LENGTH :]
-            key = self._derive_key_with_password(salt, password)
-            fernet = Fernet(key)
-            decrypted = fernet.decrypt(encrypted)
-            return decrypted.decode()
-        except Exception as e:
-            raise ValueError("Decryption failed - wrong password?") from e
-
-    def set_password(self, password: str) -> bool:
-        try:
-            salt = os.urandom(self.SALT_LENGTH)
-            key = self._derive_key_with_password(salt, password)
-            fernet = Fernet(key)
-            verification = fernet.encrypt(self.VERIFICATION_TOKEN)
-            with open(self.key_file, "wb") as f:
-                f.write(salt + verification)
-            self._salt = salt
-            self._fernet = fernet
-            return True
-        except Exception:
-            return False
-
-    def verify_password(self, password: str) -> bool:
-        if not self.key_file.exists():
-            return False
-        try:
-            with open(self.key_file, "rb") as f:
-                data = f.read()
-            if len(data) <= self.SALT_LENGTH:
-                return False
-            salt = data[:self.SALT_LENGTH]
-            verification_token = data[self.SALT_LENGTH:]
-            key = self._derive_key_with_password(salt, password)
-            fernet = Fernet(key)
-            decrypted = fernet.decrypt(verification_token)
-            if decrypted == self.VERIFICATION_TOKEN:
-                self._salt = salt
-                self._fernet = fernet
-                return True
-            return False
-        except Exception:
-            return False
-
-    def has_key(self) -> bool:
-        return self.key_file.exists()