Add Version Information and Warnings

fHDHR/config/__init__.py

@@ -4,9 +4,10 @@ import configparser
 import pathlib
 import logging
 import subprocess
+import platform
 
 import fHDHR.exceptions
-from fHDHR.tools import isint, isfloat, is_arithmetic
+from fHDHR.tools import isint, isfloat, is_arithmetic, is_docker
 
 
 class Config():
@@ -158,6 +159,22 @@ class Config():
         if self.dict["fhdhr"]["stream_type"] not in ["direct", "ffmpeg"]:
             raise fHDHR.exceptions.ConfigurationError("Invalid stream type. Exiting...")
 
+        opersystem = platform.system()
+        self.dict["main"]["opersystem"] = opersystem
+        if opersystem in ["Linux", "Darwin"]:
+            # Linux/Mac
+            if os.getuid() == 0 or os.geteuid() == 0:
+                print('Warning: Do not run fHDHR with root privileges.')
+        elif opersystem in ["Windows"]:
+            # Windows
+            if os.environ.get("USERNAME") == "Administrator":
+                print('Warning: Do not run fHDHR as Administrator.')
+        else:
+            print("Uncommon Operating System, use at your own risk.")
+
+        isdocker = is_docker()
+        self.dict["main"]["isdocker"] = isdocker
+
         if self.dict["fhdhr"]["stream_type"] == "ffmpeg":
             try:
                 ffmpeg_command = [self.dict["ffmpeg"]["ffmpeg_path"],
@@ -173,6 +190,8 @@ class Config():
             except FileNotFoundError:
                 ffmpeg_version = None
             self.dict["ffmpeg"]["version"] = ffmpeg_version
+        else:
+            self.dict["ffmpeg"]["version"] = "N/A"
 
         if not self.dict["fhdhr"]["discovery_address"] and self.dict["fhdhr"]["address"] != "0.0.0.0":
             self.dict["fhdhr"]["discovery_address"] = self.dict["fhdhr"]["address"]

fHDHR/http/pages/version_html.py

@@ -31,20 +31,18 @@ class Version_HTML():
         fakefile.write("    <th></th>\n")
         fakefile.write("  </tr>\n")
 
-        fakefile.write("  <tr>\n")
+        table_guts = [
-        fakefile.write("    <td>%s</td>\n" % ("fHDHR"))
+                        ["fHDHR", self.fhdhr.version],
-        fakefile.write("    <td>%s</td>\n" % (str(self.fhdhr.version)))
+                        ["Python", sys.version],
-        fakefile.write("  </tr>\n")
+                        ["Operating System", self.fhdhr.config.dict["main"]["opersystem"]],
+                        ["Using Docker", self.fhdhr.config.dict["main"]["isdocker"]],
+                        ["ffmpeg", self.fhdhr.config.dict["ffmpeg"]["version"]]
+                    ]
 
-        fakefile.write("  <tr>\n")
+        for item in table_guts:
-        fakefile.write("    <td>%s</td>\n" % ("Python"))
-        fakefile.write("    <td>%s</td>\n" % (str(sys.version)))
-        fakefile.write("  </tr>\n")
-
-        if self.fhdhr.config.dict["fhdhr"]["stream_type"] == "ffmpeg":
             fakefile.write("  <tr>\n")
-            fakefile.write("    <td>%s</td>\n" % ("ffmpeg"))
+            fakefile.write("    <td>%s</td>\n" % (str(item[0])))
-            fakefile.write("    <td>%s</td>\n" % (str(self.fhdhr.config.dict["ffmpeg"]["version"])))
+            fakefile.write("    <td>%s</td>\n" % (str(item[1])))
             fakefile.write("  </tr>\n")
 
         for line in page_elements["end"]:

fHDHR/tools/__init__.py

@@ -1,3 +1,5 @@
+import os
+import re
 import ast
 import requests
 import xml.etree.ElementTree
@@ -6,6 +8,17 @@ UNARY_OPS = (ast.UAdd, ast.USub)
 BINARY_OPS = (ast.Add, ast.Sub, ast.Mult, ast.Div, ast.Mod)
 
 
+def is_docker():
+    path = "/proc/self/cgroup"
+    if not os.path.isfile(path):
+        return False
+    with open(path) as f:
+        for line in f:
+            if re.match("\d+:[\w=]+:/docker(-[ce]e)?/\w+", line):
+                return True
+        return False
+
+
 def sub_el(parent, name, text=None, **kwargs):
     el = xml.etree.ElementTree.SubElement(parent, name, **kwargs)
     if text: