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62 lines
2.7 KiB
Python
62 lines
2.7 KiB
Python
from datetime import datetime, timezone
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import enum
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from sqlalchemy.dialects.mysql import INTEGER
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from app import db
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class ItemType(str, enum.Enum):
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PASSWORD = 'password'
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NOTE = 'note'
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ADDRESS = 'address'
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CARD = 'card'
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BANK = 'bank'
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SSN = 'ssn'
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PASSKEY = 'passkey'
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class VaultItem(db.Model):
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__tablename__ = 'vault_items'
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id = db.Column(INTEGER(unsigned=True), autoincrement=True, primary_key=True)
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user_id = db.Column(INTEGER(unsigned=True), db.ForeignKey('users.id', ondelete='CASCADE'), nullable=False)
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folder_id = db.Column(INTEGER(unsigned=True), db.ForeignKey('folders.id', ondelete='SET NULL'), nullable=True)
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item_type = db.Column(db.String(20), nullable=False, default=ItemType.PASSWORD.value)
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# NOT the user-visible name — that lives encrypted in enc_name/iv_name below.
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# This column holds the item TYPE string only (the same value as item_type),
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# kept because the column is NOT NULL and predates enc_name. Writing a real
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# item name here would hand the server plaintext the zero-knowledge model
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# promises it never sees.
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name = db.Column(db.String(255), nullable=False)
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enc_data = db.Column(db.Text, nullable=False) # base64-encoded AES-256-GCM ciphertext
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iv = db.Column(db.String(64), nullable=False) # base64-encoded 12-byte GCM nonce
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# enc_name / iv_name: AES-256-GCM encrypted item name (client-side, same vault key).
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# Nullable for backward-compatibility with existing rows — clients fall back to
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# the plaintext 'name' column when enc_name is absent.
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enc_name = db.Column(db.Text, nullable=True)
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iv_name = db.Column(db.String(64), nullable=True)
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created_at = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc).replace(tzinfo=None), nullable=False)
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updated_at = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc).replace(tzinfo=None), onupdate=lambda: datetime.now(timezone.utc).replace(tzinfo=None), nullable=False)
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def to_dict(self):
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# item_type is stored as a plain string; handle both str and enum safely
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item_type = self.item_type
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if isinstance(item_type, ItemType):
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item_type = item_type.value
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return {
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'id': self.id,
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'item_type': item_type,
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'name': self.name,
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'folder_id': self.folder_id,
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'enc_data': self.enc_data,
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'iv': self.iv,
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'enc_name': self.enc_name,
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'iv_name': self.iv_name,
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'created_at': self.created_at.isoformat() if self.created_at else None,
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'updated_at': self.updated_at.isoformat() if self.updated_at else None,
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}
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def __repr__(self):
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return f'<VaultItem {self.name}>'
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