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#!/usr/bin/python -O
#
# /usr/sbin/webapp-config
# Python script for managing the deployment of web-based
# applications
#
# Originally written for the Gentoo Linux distribution
#
# Copyright (c) 1999-2007 Authors
# Released under v2 of the GNU GPL
#
# Author(s) Stuart Herbert
# Renat Lumpau <rl03@gentoo.org>
# Gunnar Wrobel <wrobel@gentoo.org>
#
# ========================================================================
''' A class that returns the file type for a given path.'''
# ========================================================================
# Dependencies
# ------------------------------------------------------------------------
import re
from WebappConfig.debug import OUT
# ========================================================================
# Handler for File Types
# ------------------------------------------------------------------------
class FileType:
'''
A helper class to determine file and directory types.
The file type is determined based on two initial lists:
- a list of all files and directories owned by the config user
- a list of all files and directories owned by the server user
'''
def __init__(self,
config_owned,
server_owned,
virtual_files = 'virtual',
default_dirs = 'default-owned'):
'''
Populates the cache with the file types as provided by the
ebuild.
'''
self.__cache = {}
# Validity of entries are checked by the command line parser
self.__virtual_files = virtual_files
self.__default_dirs = default_dirs
# populate cache
for i in config_owned:
OUT.debug('Adding config-owned file', 8)
self.__cache[self.__fix(i)] = 'config-owned'
for i in server_owned:
if self.__fix(i) in list(self.__cache.keys()):
OUT.debug('Adding config-server-owned file', 8)
self.__cache[self.__fix(i)] = 'config-server-owned'
else:
OUT.debug('Adding server-owned file', 8)
self.__cache[self.__fix(i)] = 'server-owned'
def filetype(self, filename):
'''
Inputs:
filename - the file that we need a decision about
returns one of these:
server-owned - file needs to be owned by the webserver user
(and needs to be a local copy)
config-owned - file needs to be owned by the config user
(and needs to be a local copy)
config-server-owned - Both the previous cases at the same time
virtual - we do not need a local copy of the file
NOTE:
Use get_dirtype(directory) for directories
NOTE:
the user can use --virtual-files on the command-line to change
what type virtual files are really reported as
'''
# remove any whitespace and trailing /
filename = self.__fix(filename)
# look for config-protected files in the cache
if filename in list(self.__cache.keys()):
return self.__cache[filename]
# unspecified file (and thus virtual)
return self.__virtual_files
def dirtype(self, directory):
'''
Inputs:
directory - the directory that we need a decision about
returns one of these:
server-owned - dir needs to be owned by the webserver user
config-owned - dir needs to be owned by the config user
config-server-owned - Both the previous cases at the same time
default-owned - we need a local copy, owned by root
NOTE:
Use get_filetype(filename) for files
NOTE:
the user can use --default-dirs on the command-line to change
what type default directories are really reported as
'''
# remove any whitespace and trailing /
directory = self.__fix(directory)
# check the cache
if directory in list(self.__cache.keys()):
return self.__cache[directory]
# unspecified directories are default-owned
return self.__default_dirs
def __fix(self, filename):
''' Removes trailing slash and whitespace from a path '''
filename = filename.strip()
while filename[-1] == '/':
filename = filename[:-1]
# Fix double slashes
filename = re.compile('/+').sub('/', filename)
return filename
|
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