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https://github.com/processone/ejabberd.git
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Make Stylistic Changes in order to conform to guidelines:
1. Remove trailing whitespace 2. Remove Macros 3. Handle all erroneous response codes the same way 4. Add specs Also don't return nonces anymore when the http response is negative.
This commit is contained in:
Konstantinos Kallas
parent
53d47483c8
commit
167edacb5f
@ -1,7 +1,7 @@
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-module (ejabberd_acme).
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-export([ scenario/3
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, scenario0/0
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, scenario0/1
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, directory/1
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, get_account/3
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, new_account/4
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@ -14,12 +14,15 @@
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-include_lib("public_key/include/public_key.hrl").
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-define(REQUEST_TIMEOUT, 5000). % 5 seconds.
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-define(DIRURL, "directory").
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-define(REGURL, "/acme/reg/").
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-define(DEFAULT_KEY_FILE, "private_key_temporary").
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-type nonce() :: string().
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-type url() :: string().
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-type proplist() :: [{_, _}].
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-type jws() :: map().
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-spec directory(url()) ->
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{ok, map(), nonce()} | {error, _}.
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directory(DirURL) ->
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Options = [],
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HttpOptions = [{timeout, ?REQUEST_TIMEOUT}],
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@ -27,66 +30,63 @@ directory(DirURL) ->
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{ok, {{_, Code, _}, Head, Body}} when Code >= 200, Code =< 299 ->
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%% Decode the json string
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{Directories} = jiffy:decode(Body),
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StrDirectories = [{bitstring_to_list(X), bitstring_to_list(Y)} ||
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StrDirectories = [{bitstring_to_list(X), bitstring_to_list(Y)} ||
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{X,Y} <- Directories],
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% Find and save the replay nonce
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Nonce = get_nonce(Head),
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%% Return Map of Directories
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NewDirs = maps:from_list(StrDirectories),
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{ok, NewDirs, Nonce};
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{ok, {{_, Code, _}, Head, _Body}} ->
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{ok, {{_, Code, _}, _Head, _Body}} ->
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?ERROR_MSG("Got unexpected status code from <~s>: ~B",
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[DirURL, Code]),
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Nonce = get_nonce(Head),
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{error, unexpected_code, Nonce};
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{error, unexpected_code};
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{error, Reason} ->
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?ERROR_MSG("Error requesting directory from <~s>: ~p",
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[DirURL, Reason]),
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{error, Reason}
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end.
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-spec new_account(url(), jose_jwk:key(), proplist(), nonce()) ->
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{ok, {url(), proplist()}, nonce()} | {error, _}.
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new_account(NewAccURl, PrivateKey, Req, Nonce) ->
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%% Make the request body
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ReqBody = jiffy:encode({[{ <<"resource">>, <<"new-reg">>}] ++ Req}),
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{_, SignedBody} = sign_json_jose(PrivateKey, ReqBody, NewAccURl, Nonce),
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{_, SignedBody} = sign_json_jose(PrivateKey, ReqBody, Nonce),
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%% Encode the Signed body with jiffy
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FinalBody = jiffy:encode(SignedBody),
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Options = [],
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HttpOptions = [{timeout, ?REQUEST_TIMEOUT}],
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case httpc:request(post,
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case httpc:request(post,
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{NewAccURl, [], "application/jose+json", FinalBody}, HttpOptions, Options) of
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{ok, {{_, Code, _}, Head, Body}} when Code >= 200, Code =< 299 ->
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%% Decode the json string
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{Return} = jiffy:decode(Body),
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TOSUrl = get_TOS(Head),
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TOSUrl = get_tos(Head),
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% Find and save the replay nonce
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NewNonce = get_nonce(Head),
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{ok, {TOSUrl, Return}, NewNonce};
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{ok, {{_, 409 = Code, _}, Head, Body}} ->
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?ERROR_MSG("Got status code: ~B from <~s>, Body: ~s",
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[NewAccURl, Code, Body]),
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NewNonce = get_nonce(Head),
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{error, key_in_use, NewNonce};
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{ok, {{_, Code, _}, Head, Body}} ->
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{ok, {{_, Code, _}, _Head, Body}} ->
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?ERROR_MSG("Got unexpected status code from <~s>: ~B, Body: ~s",
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[NewAccURl, Code, Body]),
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NewNonce = get_nonce(Head),
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{error, unexpected_code, NewNonce};
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{error, unexpected_code};
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{error, Reason} ->
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?ERROR_MSG("Error requesting directory from <~s>: ~p",
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[NewAccURl, Reason]),
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{error, Reason, Nonce}
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{error, Reason}
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end.
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-spec update_account(url(), jose_jwk:key(), proplist(), nonce()) ->
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{ok, proplist(), nonce()} | {error, _}.
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update_account(AccURl, PrivateKey, Req, Nonce) ->
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%% Make the request body
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ReqBody = jiffy:encode({[{ <<"resource">>, <<"reg">>}] ++ Req}),
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{_, SignedBody} = sign_json_jose(PrivateKey, ReqBody, AccURl, Nonce),
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{_, SignedBody} = sign_json_jose(PrivateKey, ReqBody, Nonce),
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%% Encode the Signed body with jiffy
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FinalBody = jiffy:encode(SignedBody),
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Options = [],
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HttpOptions = [{timeout, ?REQUEST_TIMEOUT}],
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case httpc:request(post,
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case httpc:request(post,
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{AccURl, [], "application/jose+json", FinalBody}, HttpOptions, Options) of
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{ok, {{_, Code, _}, Head, Body}} when Code >= 200, Code =< 299 ->
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%% Decode the json string
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@ -94,79 +94,78 @@ update_account(AccURl, PrivateKey, Req, Nonce) ->
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% Find and save the replay nonce
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NewNonce = get_nonce(Head),
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{ok, Return, NewNonce};
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{ok, {{_, Code, _}, Head, Body}} ->
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{ok, {{_, Code, _}, _Head, Body}} ->
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?ERROR_MSG("Got unexpected status code from <~s>: ~B, Body: ~s",
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[AccURl, Code, Body]),
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NewNonce = get_nonce(Head),
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{error, unexpected_code, NewNonce};
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{error, unexpected_code};
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{error, Reason} ->
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?ERROR_MSG("Error requesting directory from <~s>: ~p",
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[AccURl, Reason]),
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{error, Reason, Nonce}
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{error, Reason}
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end.
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-spec get_account(url(), jose_jwk:key(), nonce()) ->
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{ok, {url(), proplist()}, nonce()} | {error, _}.
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get_account(AccURl, PrivateKey, Nonce) ->
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%% Make the request body
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ReqBody = jiffy:encode({[
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{ <<"resource">>, <<"reg">>}
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]}),
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ReqBody = jiffy:encode({[{<<"resource">>, <<"reg">>}]}),
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%% Jose Sign
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{_, SignedBody} = sign_json_jose(PrivateKey, ReqBody, AccURl, Nonce),
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{_, SignedBody} = sign_json_jose(PrivateKey, ReqBody, Nonce),
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%% Encode the Signed body with jiffy
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FinalBody = jiffy:encode(SignedBody),
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Options = [],
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HttpOptions = [{timeout, ?REQUEST_TIMEOUT}],
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case httpc:request(post,
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case httpc:request(post,
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{AccURl, [], "application/jose+json", FinalBody}, HttpOptions, Options) of
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{ok, {{_, Code, _}, Head, Body}} when Code >= 200, Code =< 299 ->
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%% Decode the json string
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{Return} = jiffy:decode(Body),
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TOSUrl = get_TOS(Head),
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TOSUrl = get_tos(Head),
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% Find and save the replay nonce
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NewNonce = get_nonce(Head),
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{ok, {TOSUrl, Return}, NewNonce};
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{ok, {{_, Code, _}, Head, Body}} ->
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{ok, {{_, Code, _}, _Head, Body}} ->
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?ERROR_MSG("Got unexpected status code from <~s>: ~B, Head: ~s",
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[AccURl, Code, Body]),
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NewNonce = get_nonce(Head),
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{error, unexpected_code, NewNonce};
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{error, unexpected_code};
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{error, Reason} ->
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?ERROR_MSG("Error requesting directory from <~s>: ~p",
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[AccURl, Reason]),
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{error, Reason, Nonce}
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{error, Reason}
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end.
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%%
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%% Useful funs
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%%
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-spec get_nonce(proplist()) -> nonce() | 'none'.
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get_nonce(Head) ->
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{"replay-nonce", Nonce} = proplists:lookup("replay-nonce", Head),
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Nonce.
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case proplists:lookup("replay-nonce", Head) of
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{"replay-nonce", Nonce} -> Nonce;
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none -> none
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end.
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%% Very bad way to extract this
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%% TODO: Find a better way
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get_TOS(Head) ->
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-spec get_tos(proplist()) -> url() | 'none'.
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get_tos(Head) ->
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try
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[{_, Link}] = [{K, V} || {K, V} <- Head,
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[{_, Link}] = [{K, V} || {K, V} <- Head,
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K =:= "link" andalso lists:suffix("\"terms-of-service\"", V)],
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[Link1, _] = string:tokens(Link, ";"),
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Link2 = string:strip(Link1, left, $<),
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string:strip(Link2, right, $>)
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catch
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_:_ ->
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no_tos
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none
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end.
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sign_json_jose(Key, Json, Url, Nonce) ->
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-spec sign_json_jose(jose_jwk:key(), string(), nonce()) -> jws().
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sign_json_jose(Key, Json, Nonce) ->
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% Generate a public key
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PubKey = jose_jwk:to_public(Key),
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{_, BinaryPubKey} = jose_jwk:to_binary(PubKey),
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PubKeyJson = jiffy:decode(BinaryPubKey),
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% Jws object containing the algorithm
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%% TODO: Dont hardcode the alg
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JwsObj = jose_jws:from(
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@ -185,17 +184,16 @@ sign_json_jose(Key, Json, Url, Nonce) ->
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%% A typical acme workflow
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scenario(CAUrl, AccId, PrivateKey) ->
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DirURL = CAUrl ++ "/" ++ ?DIRURL,
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DirURL = CAUrl ++ "/directory",
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{ok, Dirs, Nonce0} = directory(DirURL),
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AccURL = CAUrl ++ ?REGURL ++ AccId,
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AccURL = CAUrl ++ "/acme/reg/" ++ AccId,
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{ok, {_TOS, Account}, Nonce1} = get_account(AccURL, PrivateKey, Nonce0).
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new_user_scenario(CAUrl) ->
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PrivateKey = generate_key(),
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DirURL = CAUrl ++ "/" ++ ?DIRURL,
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DirURL = CAUrl ++ "/directory",
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{ok, Dirs, Nonce0} = directory(DirURL),
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#{"new-reg" := NewAccURL} = Dirs,
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@ -203,7 +201,7 @@ new_user_scenario(CAUrl) ->
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{ok, {TOS, Account}, Nonce1} = new_account(NewAccURL, PrivateKey, Req0, Nonce0),
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{_, AccId} = proplists:lookup(<<"id">>, Account),
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AccURL = CAUrl ++ ?REGURL ++ integer_to_list(AccId),
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AccURL = CAUrl ++ "/acme/reg/" ++ integer_to_list(AccId),
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Req1 = [{ <<"agreement">>, list_to_bitstring(TOS)}],
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{ok, Account1, Nonce2} = update_account(AccURL, PrivateKey, Req1, Nonce1),
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@ -213,7 +211,7 @@ generate_key() ->
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jose_jwk:generate_key({ec, secp256r1}).
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%% Just a test
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scenario0() ->
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PrivateKey = jose_jwk:from_file(?DEFAULT_KEY_FILE),
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scenario0(KeyFile) ->
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PrivateKey = jose_jwk:from_file(KeyFile),
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% scenario("http://localhost:4000", "2", PrivateKey).
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new_user_scenario("http://localhost:4000").
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