164 lines
7.7 KiB
Python
164 lines
7.7 KiB
Python
from app import db, login_manager
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from flask_login import UserMixin
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from werkzeug.security import generate_password_hash, check_password_hash
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from app.utils.time_utils import now_eastern
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# Display labels for the role ENUM. 'external_inspector' would otherwise title
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# case to "External Inspector" anyway, but the map keeps every label in one
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# place for templates that show a role name.
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ROLE_LABELS = {
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'admin': 'Admin',
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'director': 'Director',
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'project_manager': 'Project Manager',
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'auditor': 'Auditor',
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'inspector': 'Inspector',
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'external_inspector': 'External Inspector',
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'customer': 'Customer',
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}
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@login_manager.user_loader
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def load_user(user_id):
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from app import db
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return db.session.get(User, int(user_id))
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class User(UserMixin, db.Model):
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__tablename__ = 'users'
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# ── Inspector roles (phase49) ─────────────────────────────────────────────
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# 'external_inspector' is an inspector employed by the customer or a third
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# party rather than by us. It has exactly the same capabilities as the
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# internal 'inspector' role and is scoped the same way — through
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# InspectorAssignment rows, via get_inspector_scope().
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#
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# Every place that used to test `role == 'inspector'` must test membership
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# of this tuple instead, or external inspectors silently fall into the
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# privileged (org-wide) branch and see every contract. Use the
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# `is_inspector` property below — it is an ordinary attribute, so it reads
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# the same way in Python and in Jinja (`current_user.is_inspector`).
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INSPECTOR_ROLES = ('inspector', 'external_inspector')
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(100), unique=True, nullable=False, index=True)
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full_name = db.Column(db.String(150), nullable=True)
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email = db.Column(db.String(255), unique=True, nullable=False, index=True)
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password_hash = db.Column(db.String(255), nullable=False)
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role = db.Column(
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# Phase 11 migration complete — 'supervisor' removed from both the DB
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# ENUM and this Python-side declaration. Director is the canonical role.
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db.Enum('admin', 'director', 'inspector', 'project_manager', 'customer',
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'auditor', 'external_inspector'),
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nullable=False
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)
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created_at = db.Column(db.DateTime, default=now_eastern)
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active = db.Column(db.Boolean, default=True, nullable=False)
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# ── Web portal design preference (phase48 — design A/B test) ──────────
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# 'classic' = the original top-navbar design (default for every account).
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# 'modern' = the sidebar design from the JQC_design deck.
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# Drives base.html's layout dispatch via the inject_ui_theme() context
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# processor. Persisted per user so the choice survives logout and can be
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# tallied as a vote (see /ui/theme-votes).
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# phase50 — 'modern' is the default for new accounts. Existing rows were
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# migrated in phase50; anyone who switches keeps their own choice.
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ui_theme = db.Column(db.String(16), nullable=False,
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server_default='modern', default='modern')
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# ── Customer password-setup workflow ──────────────────────────────────
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# password_set: False for newly created customer accounts until they
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# complete the set-password flow via emailed link.
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# Always True for internal users created via UserForm.
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password_set = db.Column(db.Boolean, nullable=False, default=True)
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set_password_token = db.Column(db.String(64), nullable=True, index=True)
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set_password_token_expires = db.Column(db.DateTime, nullable=True)
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# Relationships
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# Explicit foreign_keys: inspections now has a SECOND FK to users
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# (follow_up_requested_by, phase46), so the join is otherwise ambiguous.
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# This relationship means "inspections I performed" — inspector_id only.
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inspections = db.relationship('Inspection', backref='inspector',
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lazy='dynamic',
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foreign_keys='Inspection.inspector_id')
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# ── Flask-Login integration ────────────────────────────────────────────
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# Override UserMixin.is_active so that disabled accounts are rejected
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# automatically by login_required and login_user() without any extra code.
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@property
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def is_active(self):
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return self.active
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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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@property
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def is_inspector(self):
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"""True for both the internal and the external inspector role.
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Prefer this over `role == 'inspector'` for capability and scoping
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checks. Use an explicit `role == 'external_inspector'` test only where
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the two genuinely differ (currently: display labelling only).
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"""
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return self.role in self.INSPECTOR_ROLES
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@property
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def is_external_inspector(self):
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"""True only for third-party / customer-employed inspectors."""
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return self.role == 'external_inspector'
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@property
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def role_label(self):
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"""Human-readable role name, used in staff-facing lists."""
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return ROLE_LABELS.get(self.role, (self.role or '').replace('_', ' ').title())
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@property
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def display_name(self):
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"""Return full name if set, otherwise fall back to username."""
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return self.full_name.strip() if self.full_name and self.full_name.strip() else self.username
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def generate_set_password_token(self, expires_hours=72):
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"""Create a one-time set-password token valid for `expires_hours` hours."""
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import secrets
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from datetime import timedelta
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self.set_password_token = secrets.token_hex(32) # 64 hex chars
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self.set_password_token_expires = now_eastern() + timedelta(hours=expires_hours)
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return self.set_password_token
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def clear_set_password_token(self):
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"""Invalidate the token after use."""
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self.set_password_token = None
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self.set_password_token_expires = None
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@staticmethod
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def verify_set_password_token(token):
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"""Return the User whose token matches, or None if invalid/expired.
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The final token comparison uses hmac.compare_digest so that the
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comparison runs in constant time regardless of how many characters
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match, preventing timing-based token enumeration attacks.
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"""
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import hmac
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if not token:
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return None
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# Primary lookup is via DB index — compare_digest is a defense-in-depth
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# guard applied after the row is retrieved to harden the string comparison.
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user = User.query.filter_by(set_password_token=token).first()
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if user is None:
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return None
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if user.set_password_token_expires is None:
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return None
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if now_eastern() > user.set_password_token_expires:
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return None
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# Constant-time comparison — prevents timing oracle on the stored token.
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# Wrapped in try/except to guard against unexpected type mismatches.
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try:
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if not hmac.compare_digest(user.set_password_token, token):
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return None
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except (TypeError, ValueError):
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return None
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return user
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def __repr__(self):
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return f'<User {self.username}>' |