Changes to the mail sending system to allow for a more fluent proccessing of the mails in regarts to the rate limiting

Web/modules/database/settings.py

@@ -278,6 +278,7 @@ INVENTORY_MODULE_ENABLED = _TenantAwareBool('inventory', _get(_conf, ['modules',
 TERMINPLAN_MODULE_ENABLED = _TenantAwareBool('terminplan', _get(_conf, ['modules', 'terminplan', 'enabled'], DEFAULTS['modules']['terminplan']['enabled']))
 LIBRARY_MODULE_ENABLED = _TenantAwareBool('library', _get(_conf, ['modules', 'library', 'enabled'], DEFAULTS['modules']['library']['enabled']))
 STUDENT_CARDS_MODULE_ENABLED = _TenantAwareBool('student_cards', _get(_conf, ['modules', 'student_cards', 'enabled'], DEFAULTS['modules']['student_cards']['enabled']))
+MAIL_ADD_ON_ENABLED = _TenantAwareBool('mail', _get(_conf, ['email', 'enabled'], False))
 
 def _match_inventory(path):
     if not path: return False
@@ -297,11 +298,16 @@ def _match_student_cards(path):
     if not path: return False
     return path.startswith(('/student_cards'))
 
+def _match_mail(path):
+    if not path: return False
+    return path.startswith(('/'))
+
 # Register core modules into the pipeline
 MODULES.register('inventory', INVENTORY_MODULE_ENABLED, _match_inventory)
 MODULES.register('terminplan', TERMINPLAN_MODULE_ENABLED, _match_terminplan)
 MODULES.register('library', LIBRARY_MODULE_ENABLED, _match_library)
 MODULES.register('student_cards', STUDENT_CARDS_MODULE_ENABLED, _match_student_cards)
+MODULES.register('mail', MAIL_ADD_ON_ENABLED, _match_mail)
 
 STUDENT_DEFAULT_BORROW_DAYS = int(_get(_conf, ['modules', 'student_cards', 'default_borrow_days'], DEFAULTS['modules']['student_cards']['default_borrow_days']))
 STUDENT_MAX_BORROW_DAYS = int(_get(_conf, ["modules", "student_cards", "max_borrow_days"], DEFAULTS["modules"]["student_cards"]["max_borrow_days"]))

Web/modules/emailservice/email.py

@@ -1,51 +1,98 @@
-from email.mime.text import MIMEText
 from email.mime.multipart import MIMEMultipart
-from modules.module_registry import ModuleRegistry as mr
+from email.mime.text import MIMEText
 import smtplib
+import time
 
 import Web.modules.database.settings as cfg
 
 
 def _build_smtp_client():
-    smtp = smtplib.SMTP(cfg.EMAIL_SMTP_HOST, cfg.EMAIL_SMTP_PORT, timeout=cfg.EMAIL_TIMEOUT_SECONDS)
+    smtp = smtplib.SMTP(
+        cfg.EMAIL_SMTP_HOST,
+        cfg.EMAIL_SMTP_PORT,
+        timeout=cfg.EMAIL_TIMEOUT_SECONDS,
+    )
     smtp.ehlo()
     if cfg.EMAIL_USE_TLS:
         smtp.starttls()
         smtp.ehlo()
     if cfg.EMAIL_USERNAME:
-        smtp.login(cfg.EMAIL_USERNAME, cfg.EMAIL_PASSWORD or '')
+        smtp.login(cfg.EMAIL_USERNAME, cfg.EMAIL_PASSWORD or "")
     return smtp
 
-def send(email: list, subject: str, note: str, sender: str) -> bool:
-  """
-  Sends the email with the link to the Clients
 
-  Input:
+def send(email: list | str, subject: str, note: str, sender: str) -> bool:
-  - email: Email list of all the addresses to send the link to ["","",""]
+    """Sends the email with the link to the Clients."""
-  - subject: Subject of the email
+    if not cfg.MODULES.is_enabled("mail"):
-  - note: Note that is send with the Emails
+        print("Debug: Module not enabled")
-
-  Output:
-  - bool: true if the sending worked and false if it didnt
-  """
-  if not mr.registry.is_enabled('mail'):
         return False
-  else:
+
-    msg = MIMEMultipart()
+    if isinstance(email, str):
-    msg['Subject'] = subject
+        email = [email]
-    msg['From'] = sender or cfg.EMAIL_FROM_ADDRESS or cfg.EMAIL_USERNAME
+
-    msg['To'] = ', '.join(email) if isinstance(email, (list, tuple)) else str(email)
+    body_message = note
-    msg.attach(MIMEText(note))
+
+    HTML_SIGNATURE = f"""
+    <table cellpadding="0" cellspacing="0" border="0" style="font-family: Arial, Helvetica, sans-serif; font-size: 13px; color: #333333; line-height: 1.5;">
+        <tr>
+            <td>
+                <p style="margin:0 0 12px 0;">Mit freundlichen Grüßen</p>
+                <p style="margin:0;"><strong style="font-size:16px;">Automatisierter Email Verteiler für die Schule: {cfg.get_school_info().get("name")}</strong><br></p>
+                <p style="margin:12px 0 0 0;"><strong>Invario UG</strong><br>Am Sportplatz 10<br>83052 Bruckmühl</p>
+            </td>
+        </tr>
+    </table>
+    """
+
+    text_content = f"{body_message}\n\nMit freundlichen Grüßen\n{sender}\nInvario UG"
+
+    html_content = f"""
+    <html>
+      <body>
+        <p>{body_message}</p>
+        <br>
+        {HTML_SIGNATURE}
+      </body>
+    </html>
+    """
+
+    mails_per_second = 10
+    interval = 1.0 / mails_per_second
+
     smtp = None
     try:
         smtp = _build_smtp_client()
-      smtp.sendmail(from_addr=msg['From'], to_addrs=email, msg=msg.as_string())
+
+        for i, recipient in enumerate(email):
+            start_time = time.time()
+
+            msg = MIMEMultipart("alternative")
+            msg["Subject"] = str(subject)
+            msg["From"] = f"{sender} <{cfg.EMAIL_USERNAME}>"
+            msg["To"] = str(recipient)
+
+            msg.attach(MIMEText(text_content, "plain"))
+            msg.attach(MIMEText(html_content, "html"))
+
+            smtp.sendmail(
+                from_addr=cfg.EMAIL_USERNAME,
+                to_addrs=[recipient],
+                msg=msg.as_string()
+            )
+
+            elapsed_time = time.time() - start_time
+            sleep_time = interval - elapsed_time
+
+            if sleep_time > 0 and i < len(email) - 1:
+                time.sleep(sleep_time)
+
         return True
-    except Exception:
+    except Exception as e:
+        print(f"Debug: Fehler beim Senden der E-Mail: {e}")
         return False
     finally:
-      try:
         if smtp:
+            try:
                 smtp.quit()
             except Exception:
                 pass

Web/modules/terminplaner/backend_server.py

@@ -22,7 +22,7 @@ def _resolve_public_base_url() -> str:
     subdomain = ''
     if tenant_context:
         subdomain = getattr(tenant_context, 'subdomain', '') or getattr(tenant_context, 'tenant_id', '') or ''
-    return f"https://{subdomain}.invario.eu" if subdomain else "https://invario.eu"
+    return (f"https://{subdomain}.invario-software.de") if subdomain else "https://invario-software.de"
 
 
 def _current_tenant_id() -> str:

config.json

@@ -20,14 +20,14 @@
         "key": "Web/certs/key.pem"
     },
     "email": {
-        "enabled": false,
+        "enabled": true,
-        "smtp_host": "smtp.gmail.com",
+        "smtp_host": "mail.invario-software.de",
         "smtp_port": 587,
         "use_tls": true,
-        "username": "",
+        "username": "no-reply@invario-software.de",
-        "password": "",
+        "password": "#,EATwIn,68",
-        "from_address": "",
+        "from_address": "no-reply@invario-software.de",
-        "default_sender_name": "Invario Inventarprogramm",
+        "default_sender_name": "Invario Email Service",
         "timeout_seconds": 30
     },
     "images": {