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%%--------------------------------------------------------------------
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%----------------------------------------------------------------------
%% File : ct_config_plain.erl
%% Description : CT callback module for reading configs from text files
%%
%% Created : 15 February 2010
%%----------------------------------------------------------------------
-module(ct_config_plain).
-export([read_config_file/1]).
read_config_file(ConfigFile) ->
case file:consult(ConfigFile) of
{ok,Config} ->
{ok, Config};
{error,enoent} ->
{error, config_file_error, enoent};
{error,Reason} ->
Key =
case application:get_env(common_test, decrypt) of
{ok,KeyOrFile} ->
case KeyOrFile of
{key,K} ->
K;
{file,F} ->
ct_config:get_crypt_key_from_file(F)
end;
_ ->
ct_config:get_crypt_key_from_file()
end,
case Key of
{error,no_crypt_file} ->
{error, config_file_error, Reason};
{error,CryptError} ->
{error, decrypt_file_error, CryptError};
_ when is_list(Key) ->
case ct_config:decrypt_config_file(ConfigFile, undefined, {key,Key}) of
{ok,CfgBin} ->
case read_config_terms(CfgBin) of
{error,ReadFail} ->
{error, config_file_error, ReadFail};
Config ->
{ok, Config}
end;
{error,DecryptFail} ->
{error, decrypt_config_error, DecryptFail}
end;
_ ->
{error, bad_decrypt_key, Key}
end
end.
read_config_terms(Bin) when is_binary(Bin) ->
case catch binary_to_list(Bin) of
{'EXIT',_} ->
{error,invalid_textfile};
Lines ->
read_config_terms(Lines)
end;
read_config_terms(Lines) when is_list(Lines) ->
read_config_terms1(erl_scan:tokens([], Lines, 0), 1, [], []).
read_config_terms1({done,{ok,Ts,EL},Rest}, L, Terms, _) ->
case erl_parse:parse_term(Ts) of
{ok,Term} when Rest == [] ->
lists:reverse([Term|Terms]);
{ok,Term} ->
read_config_terms1(erl_scan:tokens([], Rest, 0),
EL+1, [Term|Terms], Rest);
_ ->
{error,{bad_term,{L,EL}}}
end;
read_config_terms1({done,{eof,_},_}, _, Terms, Rest) when Rest == [] ->
lists:reverse(Terms);
read_config_terms1({done,{eof,EL},_}, L, _, _) ->
{error,{bad_term,{L,EL}}};
read_config_terms1({done,{error,Info,EL},_}, L, _, _) ->
{error,{Info,{L,EL}}};
read_config_terms1({more,_}, L, Terms, Rest) ->
case string:tokens(Rest, [$\n,$\r,$\t]) of
[] ->
lists:reverse(Terms);
_ ->
{error,{bad_term,L}}
end.
|
