feat: add ipv6 check before installing webclients

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/components/webui_client/client_dialogs.py

@@ -13,6 +13,7 @@ from typing import List
 from components.webui_client.base_data import BaseWebClient
 from core.menus.base_menu import print_back_footer
 from utils.constants import COLOR_CYAN, COLOR_YELLOW, RESET_FORMAT
+from utils.logger import DialogType, Logger
 
 
 def print_moonraker_not_found_dialog():
@@ -84,25 +85,35 @@ def print_client_port_select_dialog(name: str, port: int, ports_in_use: List[int
     print(dialog, end="")
 
 
-def print_install_client_config_dialog(client: BaseWebClient):
+def print_install_client_config_dialog(client: BaseWebClient) -> None:
     name = client.display_name
     url = client.client_config.repo_url.replace(".git", "")
-    line1 = f"have {name} fully functional and working."
+    Logger.print_dialog(
-    line2 = f"The recommended macros for {name} can be seen here:"
+        DialogType.INFO,
-    dialog = textwrap.dedent(
+        [
-        f"""
+            f"It is recommended to use special macros in order to have {name} fully "
-        /=======================================================\\
+            f"functional and working.",
-        | It is recommended to use special macros in order to   |
+            "\n\n",
-        | {line1:<54}|
+            f"The recommended macros for {name} can be seen here:",
-        |                                                       |
+            url,
-        | {line2:<54}|
+            "\n\n",
-        | {url:<54}|
+            "If you already use these macros skip this step. Otherwise you should "
-        |                                                       |
+            "consider to answer with 'Y' to download the recommended macros.",
-        | If you already use these macros skip this step.       |
+        ],
-        | Otherwise you should consider to answer with 'Y' to   |
+        end="",
-        | download the recommended macros.                      |
+    )
-        \\=======================================================/
-        """
-    )[1:]
 
-    print(dialog, end="")
+
+def print_ipv6_warning_dialog() -> None:
+    Logger.print_dialog(
+        DialogType.WARNING,
+        [
+            "It looks like IPv6 is enabled on this system!",
+            "This may cause issues with the installation of NGINX in the following "
+            "steps! It is recommended to disable IPv6 on your system to avoid this issue.",
+            "\n\n",
+            "If you think this warning is a false alarm, and you are sure that "
+            "IPv6 is disabled, you can continue with the installation.",
+        ],
+        end="",
+    )

kiauh/components/webui_client/client_setup.py

@@ -24,6 +24,7 @@ from components.webui_client.client_config.client_config_setup import (
 from components.webui_client.client_dialogs import (
     print_client_port_select_dialog,
     print_install_client_config_dialog,
+    print_ipv6_warning_dialog,
     print_moonraker_not_found_dialog,
 )
 from components.webui_client.client_utils import (
@@ -49,6 +50,7 @@ from utils.fs_utils import (
 from utils.input_utils import get_confirm, get_number_input
 from utils.logger import Logger
 from utils.sys_utils import (
+    check_ipv6,
     cmd_sysctl_service,
     download_file,
     get_ipv4_addr,
@@ -115,6 +117,13 @@ def install_client(client: BaseWebClient) -> None:
         )
         valid_port = is_valid_port(port, ports_in_use)
 
+    # check if ipv6 is enabled, as this may cause issues with nginx
+    if check_ipv6():
+        print_ipv6_warning_dialog()
+        if not get_confirm(f"Continue with {client.display_name} installation?"):
+            Logger.print_info(f"Exiting {client.display_name} installation ...")
+            return
+
     check_install_dependencies(["nginx", "unzip"])
 
     try:

kiauh/utils/sys_utils.py

@@ -402,3 +402,34 @@ def log_process(process: Popen) -> None:
 
         if process.poll() is not None:
             break
+
+
+def check_ipv6() -> bool:
+    """
+    Check if IPv6 is enabled
+    :return: True if IPv6 is enabled, False otherwise
+    """
+    try:
+        file1 = Path("/proc/sys/net/ipv6/conf/all/disable_ipv6")
+        if file1.exists():
+            with open(file1, "r") as file:
+                if file.read().strip() == "0":
+                    return True
+                elif file.read().strip() == "1":
+                    return False
+
+        file3 = Path("/etc/sysctl.conf")
+        if file3.exists():
+            with open(file3, "r") as file:
+                for line in file.readlines():
+                    if (
+                        "net.ipv6.conf.all.disable_ipv6" in line
+                        and not line.startswith("#")
+                        and line.split("=")[1].strip() == "0"
+                    ):
+                        return True
+        return False
+
+    except Exception as e:
+        Logger.print_error(f"Error checking IPv6: {e}")
+        return True