From f48f78997c281659de1882c6e02024c28d47c8db Mon Sep 17 00:00:00 2001
From: Simon Pirkelmann <simon.pirkelmann@gmail.com>
Date: Sat, 10 Apr 2021 17:25:27 +0200
Subject: [PATCH] added option to view the NFC logfile as super admin

---
 bin/launch_webadmin                           |  3 ++-
 imaginaerraum_door_admin/templates/base.html  |  3 +++
 .../templates/token_log.html                  | 23 +++++++++++++++++++
 imaginaerraum_door_admin/webapp.py            | 14 +++++++++++
 4 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 imaginaerraum_door_admin/templates/token_log.html

diff --git a/bin/launch_webadmin b/bin/launch_webadmin
index fc722f0..2a0e61f 100755
--- a/bin/launch_webadmin
+++ b/bin/launch_webadmin
@@ -10,7 +10,8 @@ parser.add_argument("--nfc_socket", default="/tmp/nfc.sock", help="socket for ha
 parser.add_argument("--template_folder", default="templates", help="path to Flask templates folder")
 parser.add_argument("--static_folder", default="static", help="path to Flask static folder")
 parser.add_argument("--admin_file", help="Path to file for creating super admin users")
-parser.add_argument("--log_file", default="/var/log/webinterface.log", help="Path to log file")
+parser.add_argument("--log_file", default="/var/log/webinterface.log", help="Path to flask log file")
+parser.add_argument("--nfc_log", default="/var/log/nfc.log", help="Path to nfc log file")
 parser.add_argument("--ldap_url", default="ldaps://ldap.imaginaerraum.de",
                     help="URL for LDAP server for alternative user authorization")
 parser.add_argument("--mqtt_host", default="10.10.21.2", help="IP address of MQTT broker")
diff --git a/imaginaerraum_door_admin/templates/base.html b/imaginaerraum_door_admin/templates/base.html
index 680f2fa..6df702a 100644
--- a/imaginaerraum_door_admin/templates/base.html
+++ b/imaginaerraum_door_admin/templates/base.html
@@ -31,6 +31,9 @@
                                 <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                                     <a class="dropdown-item" href="{{ url_for('register') }}">Token Registrierung</a>
                                     <a class="dropdown-item" href="{{ url_for('list_tokens') }}">Token Übersicht</a>
+                                    {% if current_user.has_role('super_admin')  %}
+                                        <a class="dropdown-item" href="{{ url_for('token_log') }}">Token Log</a>
+                                    {% endif %}
                                 </div>
                             </li>
                         {% endif %}
diff --git a/imaginaerraum_door_admin/templates/token_log.html b/imaginaerraum_door_admin/templates/token_log.html
new file mode 100644
index 0000000..2c3be2b
--- /dev/null
+++ b/imaginaerraum_door_admin/templates/token_log.html
@@ -0,0 +1,23 @@
+{% extends 'base.html' %}
+{% block header %}
+    {% block title %}<h1>Token Log</h1>{% endblock %}
+{% endblock %}
+
+{% block content %}
+    <table class="table">
+<thead>
+<td>Date</td>
+<td>Timestamp</td>
+<td>Message</td>
+</thead>
+<tbody>
+{% for line in log %}
+    <tr>
+    <td>{{ line[0] }}</td>
+    <td>{{ line[1] }}</td>
+    <td>{{ line[2] }}</td>
+    </tr>
+{% endfor %}
+</tbody>
+</table>
+{% endblock %}
\ No newline at end of file
diff --git a/imaginaerraum_door_admin/webapp.py b/imaginaerraum_door_admin/webapp.py
index e6b55a6..3d633dc 100644
--- a/imaginaerraum_door_admin/webapp.py
+++ b/imaginaerraum_door_admin/webapp.py
@@ -458,6 +458,20 @@ def create_application(config):
         inactive_tokens = {t: data for t, data in tokens.items() if data['inactive']}
         return render_template('tokens.html', assigned_tokens=assigned_tokens, inactive_tokens=inactive_tokens)
 
+    @app.route('/token-log')
+    @roles_required('super_admin')
+    def token_log():
+        log = []
+        try:
+            with open(config.nfc_log) as f:
+                log += f.readlines()
+            log.reverse()
+            log = map(lambda l: l.split(' ', 2), log)
+            return render_template('token_log.html', log=log)
+        except Exception as e:
+            flash(f"NFC logfile {Path(config.nfc_log).absolute()} konnte nicht gelesen werden. Exception: {e}")
+            return redirect('/')
+
     # routes for registering, editing and deleting tokens
     @app.route('/register-token', methods=['GET', 'POST'])
     @roles_required('admin')