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# -*- coding: utf-8 -*-
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2024 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
import logging
import os
import subprocess
import shutil
from typing import Dict, List, Optional, Any
class ApacheProcessor:
"""
Collects Apache configuration and module information.
"""
def __init__(self, logger: logging.Logger):
# General Apache configuration directories (exclude user-specific subdirs)
self.apache_config_locations = [
'/etc/apache2/conf/',
'/etc/apache2/conf-available/',
'/etc/apache2/conf.d/', # Will be filtered to exclude userdata subdirs
'/etc/apache2/conf.modules.d/',
]
# User-specific configuration base paths (Apache versions 2.2 and 2.4)
self.user_config_base_paths = [
'/etc/apache2/conf.d/userdata/ssl/2_4', # SSL configs for Apache 2.4
'/etc/apache2/conf.d/userdata/std/2_4', # Standard configs for Apache 2.4
'/etc/apache2/conf.d/userdata/ssl/2_2', # SSL configs for Apache 2.2 (legacy)
'/etc/apache2/conf.d/userdata/std/2_2', # Standard configs for Apache 2.2 (legacy)
]
self.logger = logger
self._apache_binary_cache = None
self._apache_version_cache = None
self._apache_modules_cache = None
def _find_apache_binary(self) -> Optional[str]:
"""
Find Apache binary executable using which command with caching.
"""
if self._apache_binary_cache is not None:
return self._apache_binary_cache
error = None
try:
for binary_name in ['httpd', 'apache2']:
binary_path = shutil.which(binary_name)
if binary_path and os.access(binary_path, os.X_OK):
self.logger.debug("Found Apache binary: %s", binary_path)
self._apache_binary_cache = binary_path
return binary_path
except Exception as e:
error = e
self.logger.error("[WEBSITE-COLLECTOR] Apache binary not found in PATH %s", error)
self._apache_binary_cache = None
return None
def _get_apache_version(self) -> str:
"""
Get Apache version information with caching.
"""
if self._apache_version_cache is not None:
return self._apache_version_cache
apache_binary = self._find_apache_binary()
if not apache_binary:
self._apache_version_cache = "Apache binary not found"
return self._apache_version_cache
try:
result = subprocess.run(
[apache_binary, '-v'],
capture_output=True,
text=True,
timeout=10,
check=False
)
if result.returncode == 0:
# Extract just the version line for cleaner metadata
version_output = result.stdout.strip()
if version_output:
# Get first line which contains version info
first_line = version_output.split('\n')[0]
self._apache_version_cache = first_line
else:
self._apache_version_cache = "Version info empty"
else:
self._apache_version_cache = f"Error getting version: {result.stderr.strip()}"
except subprocess.TimeoutExpired:
self._apache_version_cache = "Version check timed out"
except Exception as e:
self._apache_version_cache = f"Version check failed: {e}"
return self._apache_version_cache
def _get_apache_modules(self) -> List[str]:
"""
Get Apache modules using httpd -M command with caching.
Returns:
List of module names (e.g., ['core_module', 'so_module', 'http_module', ...])
"""
# Return cached modules if available
if self._apache_modules_cache is not None:
return self._apache_modules_cache
apache_binary = self._find_apache_binary()
if not apache_binary:
self.logger.debug("Apache binary not found, cannot get modules")
self._apache_modules_cache = []
return self._apache_modules_cache
try:
result = subprocess.run(
[apache_binary, '-M'],
capture_output=True,
text=True,
timeout=10,
check=False
)
if result.returncode == 0:
modules = []
lines = result.stdout.split('\n')
# Skip first line 'Loaded Modules:' and process module lines
for line in lines[1:]:
if not line.strip():
continue
# Parse line like: "core_module (static)" or "so_module (shared)"
try:
module_name = line.strip().split(' ')[0]
if module_name:
modules.append(module_name)
except (IndexError, AttributeError):
continue # Skip malformed lines
self.logger.debug("Found %d Apache modules via %s -M", len(modules), apache_binary)
self._apache_modules_cache = modules
return modules
self.logger.debug("Apache modules command failed: %s", result.stderr.strip())
self._apache_modules_cache = []
return self._apache_modules_cache
except subprocess.TimeoutExpired:
self.logger.error("[WEBSITE-COLLECTOR] Apache modules command timed out")
self._apache_modules_cache = []
return self._apache_modules_cache
except Exception as e:
self.logger.error("[WEBSITE-COLLECTOR] Failed to get Apache modules: %s", e)
self._apache_modules_cache = []
return self._apache_modules_cache
def get_apache_system_info(self) -> Dict[str, Any]:
"""
Get Apache system information for export as separate record.
Returns:
Dict with system information to be exported as single record
"""
modules = self._get_apache_modules()
version = self._get_apache_version()
system_info = {
'apache_version': version,
'loaded_modules': modules,
}
return system_info
def _get_user_config_locations(self, usernames: List[str]) -> List[str]:
"""
Get Apache configuration directories for specific users only.
Args:
usernames: List of usernames to get configurations for
Returns:
List of directories containing user-specific Apache configurations
"""
user_locations = []
for username in usernames:
for base_path in self.user_config_base_paths:
user_path = os.path.join(base_path, username)
if os.path.isdir(user_path):
user_locations.append(user_path)
self.logger.debug("Found user config directory: %s", user_path)
return user_locations
def collect_user_specific_config_paths(self, usernames: List[str]) -> Dict[str, Any]:
"""
Collect paths to user-specific Apache configuration files.
Args:
usernames: List of usernames to collect configs for
Returns:
Dict with collected config file paths as simple list
"""
config_data = {
'config_paths': []
}
if not usernames:
return config_data
try:
user_locations = self._get_user_config_locations(usernames)
self.logger.debug("Scanning %d user-specific locations for %d users",
len(user_locations), len(usernames))
for location in user_locations:
if os.path.isdir(location):
self._collect_config_paths_from_directory(location, config_data, exclude_user_dirs=False)
except Exception as e:
self.logger.error("[WEBSITE-COLLECTOR] Error in collect_user_specific_config_paths: %s", e)
self.logger.debug("Found %d user-specific Apache config files", len(config_data['config_paths']))
return config_data
def collect_global_config_paths(self) -> Dict[str, Any]:
"""
Collect paths to general Apache configuration files (non-user-specific).
Returns:
Dict with collected config file paths as simple list
"""
config_data = {
'config_paths': []
}
try:
for location in self.apache_config_locations:
if os.path.isdir(location):
try:
# For conf.d directory, exclude userdata subdirs to avoid collecting user-specific configs
exclude_users = location.rstrip('/').endswith('/conf.d')
self._collect_config_paths_from_directory(location, config_data,
exclude_user_dirs=exclude_users)
self.logger.debug("Collected config paths from %s (exclude_user_dirs=%s)",
location, exclude_users)
except Exception as e:
self.logger.error("[WEBSITE-COLLECTOR] Error scanning config directory %s: %s", location, e)
self.logger.debug("Found %d general Apache config files", len(config_data['config_paths']))
except Exception as e:
self.logger.error("[WEBSITE-COLLECTOR] Error in collect_global_config_paths: %s", e)
return config_data
def _collect_config_paths_from_directory(self, location: str, config_data: Dict[str, Any],
exclude_user_dirs: bool = False) -> None:
"""
Helper method to collect configuration file paths from a specific directory.
Args:
location: Directory path to scan for .conf files
config_data: Dictionary with 'config_paths' list to store collected paths
exclude_user_dirs: If True, skip userdata subdirectories to avoid collecting user-specific configs
"""
max_depth = 10 # Reasonable limit for Apache configs
for root, dirs, files in os.walk(location):
# Calculate current depth relative to base location
depth = root[len(location):].count(os.sep)
if depth >= max_depth:
dirs[:] = [] # Don't descend further
continue
# Exclude userdata directories when collecting general configs
if exclude_user_dirs and 'userdata' in dirs:
dirs.remove('userdata')
self.logger.debug("Excluded userdata directory from general config collection in %s", root)
for filename in files:
if filename.endswith('.conf'):
file_path = os.path.join(root, filename)
# Check if file exists (including symlinks) and is readable
if (os.path.exists(file_path) and
(os.path.isfile(file_path) or os.path.islink(file_path)) and
os.access(file_path, os.R_OK)):
# Add to simple list - no grouping by directory needed
config_data['config_paths'].append({
'file_path': file_path,
'is_symlink': os.path.islink(file_path)
})
else:
self.logger.debug("Cannot access config file: %s", file_path)