137 lines
3.6 KiB
Python
137 lines
3.6 KiB
Python
from flask import Blueprint, request, redirect, flash
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from auth import require_level
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from config_utils import load_core, save_core, verify_core_hash, apply_msg
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import sanitize
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import validate
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bp = Blueprint('action_apply_banned_ips', __name__)
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VIEW = '/view/view_banned_ips'
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def _row_index():
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try:
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return int(request.form.get('row_index', ''))
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except (ValueError, TypeError):
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return None
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def _hash_ok():
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if not verify_core_hash(request.form.get('config_hash', '')):
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flash('Configuration was modified by another session. Please refresh and try again.', 'error')
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return False
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return True
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def _parse_ip():
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"""Return validated IP string, or None after flashing an error."""
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raw = request.form.get('ip', '').strip()
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if not raw:
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flash('The configuration has not been saved because an IP address, CIDR, or wildcard pattern is required.', 'error')
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return None
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ip = validate.banned_ip(raw)
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if not ip:
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flash(f'The configuration has not been saved because "{raw}" is not a valid IP address, CIDR, or wildcard pattern.', 'error')
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return None
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return ip
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@bp.route('/action/add_banned_ip', methods=['POST'])
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@require_level('administrator')
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def add_banned_ip():
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description = sanitize.text(request.form.get('description', ''))
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ip = _parse_ip()
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if ip is None:
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return redirect(VIEW)
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if not _hash_ok():
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return redirect(VIEW)
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core = load_core()
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core.setdefault('banned_ips', []).append({
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'description': description,
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'ip': ip,
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'enabled': True,
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})
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save_core(core)
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flash(apply_msg(), 'success')
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return redirect(VIEW)
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@bp.route('/action/toggle_banned_ip', methods=['POST'])
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@require_level('administrator')
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def toggle_banned_ip():
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idx = _row_index()
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if idx is None:
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flash('Invalid request.', 'error')
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return redirect(VIEW)
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if not _hash_ok():
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return redirect(VIEW)
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core = load_core()
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items = core.get('banned_ips', [])
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if idx < 0 or idx >= len(items):
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flash('Entry not found.', 'error')
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return redirect(VIEW)
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items[idx]['enabled'] = not items[idx].get('enabled', True)
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save_core(core)
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flash(apply_msg(), 'success')
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return redirect(VIEW)
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@bp.route('/action/edit_banned_ip', methods=['POST'])
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@require_level('administrator')
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def edit_banned_ip():
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idx = _row_index()
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if idx is None:
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flash('Invalid request.', 'error')
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return redirect(VIEW)
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description = sanitize.text(request.form.get('description', ''))
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ip = _parse_ip()
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if ip is None:
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return redirect(VIEW)
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enabled = request.form.get('enabled') == 'on'
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if not _hash_ok():
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return redirect(VIEW)
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core = load_core()
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items = core.get('banned_ips', [])
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if idx < 0 or idx >= len(items):
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flash('Entry not found.', 'error')
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return redirect(VIEW)
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items[idx].update({'description': description, 'ip': ip, 'enabled': enabled})
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save_core(core)
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flash(apply_msg(), 'success')
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return redirect(VIEW)
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@bp.route('/action/delete_banned_ip', methods=['POST'])
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@require_level('administrator')
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def delete_banned_ip():
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idx = _row_index()
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if idx is None:
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flash('Invalid request.', 'error')
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return redirect(VIEW)
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if not _hash_ok():
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return redirect(VIEW)
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core = load_core()
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items = core.get('banned_ips', [])
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if idx < 0 or idx >= len(items):
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flash('Entry not found.', 'error')
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return redirect(VIEW)
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removed = items.pop(idx)
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save_core(core)
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flash(apply_msg(), 'success')
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return redirect(VIEW)
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