JezK

Edit File: apache_util.py

""" Utility functions for certbot-apache plugin """
import binascii
import os

from certbot import util

def get_mod_deps(mod_name):
    """Get known module dependencies.

.. note:: This does not need to be accurate in order for the client to
        run.  This simply keeps things clean if the user decides to revert
        changes.
    .. warning:: If all deps are not included, it may cause incorrect parsing
        behavior, due to enable_mod's shortcut for updating the parser's
        currently defined modules (`.ApacheParser.add_mod`)
        This would only present a major problem in extremely atypical
        configs that use ifmod for the missing deps.

"""
    deps = {
        "ssl": ["setenvif", "mime"]
    }
    return deps.get(mod_name, [])

def get_file_path(vhost_path):
    """Get file path from augeas_vhost_path.

Takes in Augeas path and returns the file name

:param str vhost_path: Augeas virtual host path

:returns: filename of vhost
    :rtype: str

"""
    if not vhost_path or not vhost_path.startswith("/files/"):
        return None

return _split_aug_path(vhost_path)[0]

def get_internal_aug_path(vhost_path):
    """Get the Augeas path for a vhost with the file path removed.

:param str vhost_path: Augeas virtual host path

:returns: Augeas path to vhost relative to the containing file
    :rtype: str

"""
    return _split_aug_path(vhost_path)[1]

def _split_aug_path(vhost_path):
    """Splits an Augeas path into a file path and an internal path.

After removing "/files", this function splits vhost_path into the
    file path and the remaining Augeas path.

:param str vhost_path: Augeas virtual host path

:returns: file path and internal Augeas path
    :rtype: `tuple` of `str`

"""
    # Strip off /files
    file_path = vhost_path[6:]
    internal_path = []

# Remove components from the end of file_path until it becomes valid
    while not os.path.exists(file_path):
        file_path, _, internal_path_part = file_path.rpartition("/")
        internal_path.append(internal_path_part)

return file_path, "/".join(reversed(internal_path))

def parse_define_file(filepath, varname):
    """ Parses Defines from a variable in configuration file

:param str filepath: Path of file to parse
    :param str varname: Name of the variable

:returns: Dict of Define:Value pairs
    :rtype: `dict`

"""
    return_vars = {}
    # Get list of words in the variable
    a_opts = util.get_var_from_file(varname, filepath).split()
    for i, v in enumerate(a_opts):
        # Handle Define statements and make sure it has an argument
        if v == "-D" and len(a_opts) >= i+2:
            var_parts = a_opts[i+1].partition("=")
            return_vars[var_parts[0]] = var_parts[2]
        elif len(v) > 2 and v.startswith("-D"):
            # Found var with no whitespace separator
            var_parts = v[2:].partition("=")
            return_vars[var_parts[0]] = var_parts[2]
    return return_vars

def unique_id():
    """ Returns an unique id to be used as a VirtualHost identifier"""
    return binascii.hexlify(os.urandom(16)).decode("utf-8")

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