155 lines
6.4 KiB
Python
155 lines
6.4 KiB
Python
import logging
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from datetime import datetime
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from urllib.parse import urlparse, urljoin
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from flask import Blueprint, render_template, redirect, url_for, flash, request
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from flask_login import login_user, logout_user, login_required, current_user
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from app import db, limiter
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from app.models import User, UserRole
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from app.services.log_service import log_action
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from app.services.validation_service import validate_password
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auth_bp = Blueprint('auth', __name__, url_prefix='/auth')
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logger = logging.getLogger(__name__)
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def _is_safe_url(target):
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"""Return True only when *target* points back to this same host.
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Prevents open-redirect attacks where an attacker crafts a login URL
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with ?next=https://evil.com — without this check the user would be
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silently forwarded to an external site after authentication.
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"""
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ref_url = urlparse(request.host_url)
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test_url = urlparse(urljoin(request.host_url, target))
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return (
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test_url.scheme in ('http', 'https') and
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ref_url.netloc == test_url.netloc
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)
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@auth_bp.route('/login', methods=['GET', 'POST'])
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@limiter.limit('10 per minute; 50 per hour')
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def login():
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if current_user.is_authenticated:
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return redirect(url_for('tickets.dashboard'))
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if request.method == 'POST':
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email = request.form.get('email', '').strip().lower()
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password = request.form.get('password', '')
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remember = bool(request.form.get('remember'))
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user = User.query.filter_by(email=email).first()
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if user and user.check_password(password) and user.is_active:
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login_user(user, remember=remember)
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user.last_login = datetime.utcnow()
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log_action(user.id, 'user_login', 'user', user.id, f'email={email}')
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db.session.commit()
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logger.info(f'[AUTH LOGIN] user_id={user.id} email={email}')
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next_page = request.args.get('next')
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if next_page and not _is_safe_url(next_page):
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logger.warning(f'[AUTH OPEN-REDIRECT BLOCKED] next={next_page} user_id={user.id}')
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next_page = None
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return redirect(next_page or url_for('tickets.dashboard'))
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else:
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logger.warning(f'[AUTH FAILED] email={email} ip={request.remote_addr}')
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flash('Invalid credentials or account disabled.', 'danger')
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return render_template('auth/login.html')
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@auth_bp.route('/register', methods=['GET', 'POST'])
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@limiter.limit('5 per minute; 20 per hour')
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def register():
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if current_user.is_authenticated:
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return redirect(url_for('tickets.dashboard'))
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from app.models import SystemSetting
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if not SystemSetting.get_bool('registration_enabled', default=True):
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logger.info(f'[AUTH REGISTER BLOCKED] Registration is disabled. ip={request.remote_addr}')
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flash('Self-registration is currently disabled. Please contact your IT administrator.', 'warning')
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return redirect(url_for('auth.login'))
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if request.method == 'POST':
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email = request.form.get('email', '').strip().lower()
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username = request.form.get('username', '').strip()
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full_name = request.form.get('full_name', '').strip()
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department = request.form.get('department', '').strip()
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phone = request.form.get('phone', '').strip()
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password = request.form.get('password', '')
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confirm = request.form.get('confirm_password', '')
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if User.query.filter_by(email=email).first():
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flash('Email already registered.', 'danger')
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elif User.query.filter_by(username=username).first():
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flash('Username already taken.', 'danger')
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else:
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pw_error = validate_password(password, confirm)
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if pw_error:
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flash(pw_error, 'danger')
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else:
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user = User(
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email = email,
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username = username,
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full_name = full_name,
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department = department,
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phone = phone,
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role = UserRole.EMPLOYEE,
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)
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user.set_password(password)
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db.session.add(user)
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# Flush to obtain user.id from the DB sequence before logging.
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# Without this flush, user.id is None and the activity log entry
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# records entity_id=None, making the log entry unlinkable.
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db.session.flush()
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log_action(user.id, 'user_register', 'user', user.id, f'email={email}')
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db.session.commit()
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logger.info(f'[AUTH REGISTER] user_id={user.id} email={email}')
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flash('Account created! You may now log in.', 'success')
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return redirect(url_for('auth.login'))
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return render_template('auth/register.html')
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@auth_bp.route('/logout')
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@login_required
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def logout():
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log_action(current_user.id, 'user_logout', 'user', current_user.id)
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logger.info(f'[AUTH LOGOUT] user_id={current_user.id}')
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logout_user()
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flash('You have been logged out.', 'info')
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return redirect(url_for('auth.login'))
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@auth_bp.route('/profile', methods=['GET', 'POST'])
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@login_required
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def profile():
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if request.method == 'POST':
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full_name = request.form.get('full_name', '').strip()
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department = request.form.get('department', '').strip()
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phone = request.form.get('phone', '').strip()
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email_notif= bool(request.form.get('email_notif'))
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web_notif = bool(request.form.get('web_notif'))
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new_pw = request.form.get('new_password', '')
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confirm_pw = request.form.get('confirm_password', '')
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current_user.full_name = full_name
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current_user.department = department
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current_user.phone = phone
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current_user.email_notif= email_notif
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current_user.web_notif = web_notif
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if new_pw:
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pw_error = validate_password(new_pw, confirm_pw)
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if pw_error:
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flash(pw_error, 'danger')
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return render_template('auth/profile.html')
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current_user.set_password(new_pw)
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logger.info(f'[AUTH PASSWORD CHANGE] user_id={current_user.id}')
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log_action(current_user.id, 'user_profile_update', 'user', current_user.id)
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db.session.commit()
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logger.info(f'[AUTH PROFILE UPDATE] user_id={current_user.id}')
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flash('Profile updated successfully.', 'success')
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return render_template('auth/profile.html')
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