109 lines
4.7 KiB
Python
109 lines
4.7 KiB
Python
from datetime import datetime
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from werkzeug.security import generate_password_hash, check_password_hash
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from flask_login import UserMixin
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from app import db, login_manager
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import uuid
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@login_manager.user_loader
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def load_user(id):
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return User.query.get(int(id))
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class User(UserMixin, db.Model):
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__tablename__ = 'user'
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(64), index=True, unique=True)
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email = db.Column(db.String(120), index=True, unique=True)
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password_hash = db.Column(db.String(128))
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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last_login = db.Column(db.DateTime)
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# Relationships
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files = db.relationship('File', backref='owner', lazy='dynamic',
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foreign_keys='File.user_id', cascade='all, delete-orphan')
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shares = db.relationship('Share', backref='owner', lazy='dynamic',
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foreign_keys='Share.user_id', cascade='all, delete-orphan')
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downloads = db.relationship('Download', backref='user', lazy='dynamic',
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foreign_keys='Download.user_id', cascade='all, delete-orphan')
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def __repr__(self):
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return f'<User {self.username}>'
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def set_password(self, password):
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self.password_hash = generate_password_hash(password)
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def check_password(self, password):
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return check_password_hash(self.password_hash, password)
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class File(db.Model):
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__tablename__ = 'file'
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(255), nullable=False)
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storage_name = db.Column(db.String(255)) # Used for storing files with unique names
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is_folder = db.Column(db.Boolean, default=False)
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mime_type = db.Column(db.String(128))
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size = db.Column(db.Integer, default=0) # Size in bytes
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parent_id = db.Column(db.Integer, db.ForeignKey('file.id', ondelete='CASCADE'), nullable=True)
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user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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# Relationships
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children = db.relationship('File', backref=db.backref('parent', remote_side=[id]),
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lazy='dynamic', cascade='all, delete-orphan')
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shares = db.relationship('Share', backref='file', lazy='dynamic', cascade='all, delete-orphan')
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downloads = db.relationship('Download', backref='file', lazy='dynamic', cascade='all, delete-orphan')
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def __repr__(self):
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return f'<File {self.name} {"(Folder)" if self.is_folder else ""}>'
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def generate_storage_name(self):
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"""Generate a unique name for file storage to prevent conflicts"""
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if self.is_folder:
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return None
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# Generate a unique filename using UUID
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ext = self.name.rsplit('.', 1)[1].lower() if '.' in self.name else ''
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return f"{uuid.uuid4().hex}.{ext}" if ext else f"{uuid.uuid4().hex}"
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class Share(db.Model):
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__tablename__ = 'share'
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id = db.Column(db.Integer, primary_key=True)
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file_id = db.Column(db.Integer, db.ForeignKey('file.id', ondelete='CASCADE'), nullable=False)
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user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
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share_token = db.Column(db.String(64), unique=True)
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is_public = db.Column(db.Boolean, default=False)
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is_password_protected = db.Column(db.Boolean, default=False)
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password_hash = db.Column(db.String(128))
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expiry_date = db.Column(db.DateTime, nullable=True)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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def __repr__(self):
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return f'<Share {self.share_token}>'
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def set_password(self, password):
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self.password_hash = generate_password_hash(password)
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self.is_password_protected = True
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def check_password(self, password):
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return check_password_hash(self.password_hash, password)
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def generate_token(self):
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"""Generate a unique token for sharing"""
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return uuid.uuid4().hex
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class Download(db.Model):
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__tablename__ = 'download'
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id = db.Column(db.Integer, primary_key=True)
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file_id = db.Column(db.Integer, db.ForeignKey('file.id', ondelete='CASCADE'), nullable=False)
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user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=True) # Nullable for anonymous downloads
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ip_address = db.Column(db.String(64))
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user_agent = db.Column(db.String(255))
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share_id = db.Column(db.Integer, db.ForeignKey('share.id', ondelete='SET NULL'), nullable=True)
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downloaded_at = db.Column(db.DateTime, default=datetime.utcnow)
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def __repr__(self):
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return f'<Download of File {self.file_id} at {self.downloaded_at}>'
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