diff options
Diffstat (limited to 'src/rebar_utils.erl')
-rw-r--r-- | src/rebar_utils.erl | 499 |
1 files changed, 401 insertions, 98 deletions
diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl index aa9e268..11add61 100644 --- a/src/rebar_utils.erl +++ b/src/rebar_utils.erl @@ -37,8 +37,9 @@ escript_foldl/3, find_files/2, find_files/3, + find_files_in_dirs/3, + find_source/3, beam_to_mod/1, - beam_to_mod/2, erl_to_mod/1, beams/1, find_executable/1, @@ -55,6 +56,8 @@ get_arch/0, wordsize/0, deps_to_binary/1, + to_binary/1, + to_list/1, tup_dedup/1, tup_umerge/2, tup_sort/1, @@ -70,12 +73,17 @@ info_useless/2, list_dir/1, user_agent/0, - reread_config/1]). + reread_config/1, reread_config/2, + get_proxy_auth/0, + is_list_of_strings/1, + ssl_opts/1]). + %% for internal use only -export([otp_release/0]). -include("rebar.hrl"). +-include_lib("public_key/include/OTP-PUB-KEY.hrl"). -define(ONE_LEVEL_INDENT, " "). -define(APP_NAME_INDEX, 2). @@ -95,6 +103,12 @@ sort_deps(Deps) -> droplast(L) -> lists:reverse(tl(lists:reverse(L))). +%% @doc filtermap takes in a function that is either or both +%% a predicate and a map, and returns the matching and valid elements. +-spec filtermap(F, [In]) -> [Out] when + F :: fun((In) -> boolean() | {true, Out}), + In :: term(), + Out :: term(). filtermap(F, [Hd|Tail]) -> case F(Hd) of true -> @@ -107,18 +121,23 @@ filtermap(F, [Hd|Tail]) -> filtermap(F, []) when is_function(F, 1) -> []. is_arch(ArchRegex) -> - case re:run(get_arch(), ArchRegex, [{capture, none}]) of + case re:run(get_arch(), ArchRegex, [{capture, none}, unicode]) of match -> true; nomatch -> false end. +%% @doc returns the sytem architecture, in strings like +%% `"19.0.4-x86_64-unknown-linux-gnu-64"'. +-spec get_arch() -> string(). get_arch() -> Words = wordsize(), otp_release() ++ "-" ++ erlang:system_info(system_architecture) ++ "-" ++ Words. +%% @doc returns the size of a word on the system, as a string +-spec wordsize() -> string(). wordsize() -> try erlang:system_info({wordsize, external}) of Val -> @@ -129,7 +148,7 @@ wordsize() -> end. sh_send(Command0, String, Options0) -> - ?INFO("sh_send info:\n\tcwd: ~p\n\tcmd: ~s < ~s\n", + ?INFO("sh_send info:\n\tcwd: ~p\n\tcmd: ~ts < ~ts\n", [rebar_dir:get_cwd(), Command0, String]), ?DEBUG("\topts: ~p\n", [Options0]), @@ -137,7 +156,7 @@ sh_send(Command0, String, Options0) -> Options = [expand_sh_flag(V) || V <- proplists:compact(Options0 ++ DefaultOptions)], - Command = lists:flatten(patch_on_windows(Command0, proplists:get_value(env, Options, []))), + Command = lists:flatten(patch_on_windows(Command0, proplists:get_value(env, Options0, []))), PortSettings = proplists:get_all_values(port_settings, Options) ++ [exit_status, {line, 16384}, use_stdio, stderr_to_stdout, hide], Port = open_port({spawn, Command}, PortSettings), @@ -158,7 +177,7 @@ sh_send(Command0, String, Options0) -> %% Val = string() | false %% sh(Command0, Options0) -> - ?DEBUG("sh info:\n\tcwd: ~p\n\tcmd: ~s\n", [rebar_dir:get_cwd(), Command0]), + ?DEBUG("sh info:\n\tcwd: ~p\n\tcmd: ~ts\n", [rebar_dir:get_cwd(), Command0]), ?DEBUG("\topts: ~p\n", [Options0]), DefaultOptions = [{use_stdout, false}, debug_and_abort_on_error], @@ -168,10 +187,10 @@ sh(Command0, Options0) -> ErrorHandler = proplists:get_value(error_handler, Options), OutputHandler = proplists:get_value(output_handler, Options), - Command = lists:flatten(patch_on_windows(Command0, proplists:get_value(env, Options, []))), + Command = lists:flatten(patch_on_windows(Command0, proplists:get_value(env, Options0, []))), PortSettings = proplists:get_all_values(port_settings, Options) ++ [exit_status, {line, 16384}, use_stdio, stderr_to_stdout, hide, eof], - ?DEBUG("Port Cmd: ~s\nPort Opts: ~p\n", [Command, PortSettings]), + ?DEBUG("Port Cmd: ~ts\nPort Opts: ~p\n", [Command, PortSettings]), Port = open_port({spawn, Command}, PortSettings), try @@ -188,6 +207,12 @@ sh(Command0, Options0) -> find_files(Dir, Regex) -> find_files(Dir, Regex, true). +find_files_in_dirs([], _Regex, _Recursive) -> + []; +find_files_in_dirs([Dir | T], Regex, Recursive) -> + find_files(Dir, Regex, Recursive) ++ find_files_in_dirs(T, Regex, Recursive). + + find_files(Dir, Regex, Recursive) -> filelib:fold_files(Dir, Regex, Recursive, fun(F, Acc) -> [F | Acc] end, []). @@ -219,7 +244,7 @@ deprecated(Old, New, When) -> <<"WARNING: deprecated ~p option used~n" "Option '~p' has been deprecated~n" "in favor of '~p'.~n" - "'~p' will be removed ~s.~n">>, + "'~p' will be removed ~ts.~n">>, [Old, Old, New, Old, When]). %% for use by `do` task @@ -231,11 +256,17 @@ args_to_tasks(Args) -> new_task(Args, []). deps_to_binary([]) -> []; deps_to_binary([{Name, _, Source} | T]) -> - [{ec_cnv:to_binary(Name), Source} | deps_to_binary(T)]; + [{to_binary(Name), Source} | deps_to_binary(T)]; deps_to_binary([{Name, Source} | T]) -> - [{ec_cnv:to_binary(Name), Source} | deps_to_binary(T)]; + [{to_binary(Name), Source} | deps_to_binary(T)]; deps_to_binary([Name | T]) -> - [ec_cnv:to_binary(Name) | deps_to_binary(T)]. + [to_binary(Name) | deps_to_binary(T)]. + +to_binary(A) when is_atom(A) -> atom_to_binary(A, unicode); +to_binary(Str) -> unicode:characters_to_binary(Str). + +to_list(A) when is_atom(A) -> atom_to_list(A); +to_list(Str) -> unicode:characters_to_list(Str). tup_dedup(List) -> tup_dedup_(tup_sort(List)). @@ -370,7 +401,7 @@ compare({Priority, A}, {Secondary, B}) when not is_tuple(A), is_tuple(B) -> %% Implements wc -l functionality used to determine patchcount from git output line_count(PatchLines) -> - Tokenized = string:tokens(PatchLines, "\n"), + Tokenized = rebar_string:lexemes(PatchLines, "\n"), {ok, length(Tokenized)}. check_min_otp_version(undefined) -> @@ -383,10 +414,10 @@ check_min_otp_version(MinOtpVersion) -> case ParsedVsn >= ParsedMin of true -> - ?DEBUG("~s satisfies the requirement for minimum OTP version ~s", + ?DEBUG("~ts satisfies the requirement for minimum OTP version ~ts", [OtpRelease, MinOtpVersion]); false -> - ?ABORT("OTP release ~s or later is required. Version in use: ~s", + ?ABORT("OTP release ~ts or later is required. Version in use: ~ts", [MinOtpVersion, OtpRelease]) end. @@ -402,28 +433,103 @@ check_blacklisted_otp_versions(BlacklistedRegexes) -> abort_if_blacklisted(BlacklistedRegex, OtpRelease) -> case re:run(OtpRelease, BlacklistedRegex, [{capture, none}]) of match -> - ?ABORT("OTP release ~s matches blacklisted version ~s", + ?ABORT("OTP release ~ts matches blacklisted version ~ts", [OtpRelease, BlacklistedRegex]); nomatch -> - ?DEBUG("~s does not match blacklisted OTP version ~s", + ?DEBUG("~ts does not match blacklisted OTP version ~ts", [OtpRelease, BlacklistedRegex]) end. user_agent() -> {ok, Vsn} = application:get_key(rebar, vsn), - ?FMT("Rebar/~s (OTP/~s)", [Vsn, otp_release()]). + ?FMT("Rebar/~ts (OTP/~ts)", [Vsn, otp_release()]). reread_config(ConfigList) -> + %% Default to not re-configuring the logger for now; + %% this can leak logs in CT redirection when setting up hooks + %% for example. If we want to turn it on by default, we may + %% want to disable it in CT at the same time or figure out a + %% way to silence it. + %% The same pattern may apply to other tasks, so let's enable + %% case-by-case. + reread_config(ConfigList, []). + +reread_config(ConfigList, Opts) -> + UpdateLoggerConfig = erlang:function_exported(logger, module_info, 0) andalso + proplists:get_value(update_logger, Opts, false), + %% NB: we attempt to mimic -config here, which survives app reload, + %% hence {persistent, true}. + SetEnv = case version_tuple(?MODULE:otp_release()) of + {X, _, _} when X =< 17 -> + fun application:set_env/3; + _ -> + fun (App, Key, Val) -> application:set_env(App, Key, Val, [{persistent, true}]) end + end, try - [application:set_env(Application, Key, Val) + Res = + [SetEnv(Application, Key, Val) || Config <- ConfigList, {Application, Items} <- Config, - {Key, Val} <- Items] + {Key, Val} <- Items], + case UpdateLoggerConfig of + true -> reread_logger_config(); + false -> ok + end, + Res catch _:_ -> ?ERROR("The configuration file submitted could not be read " "and will be ignored.", []) end. +%% @private since the kernel app is already booted, re-reading its config +%% requires doing some magic to dynamically patch running handlers to +%% deal with the current value. +reread_logger_config() -> + KernelCfg = application:get_all_env(kernel), + LogCfg = proplists:get_value(logger, KernelCfg), + case LogCfg of + undefined -> + ok; + _ -> + %% Extract and apply settings related to primary configuration + %% -- primary config is used for settings shared across handlers + LogLvlPrimary = proplists:get_value(logger_info, KernelCfg, all), + {FilterDefault, Filters} = + case lists:keyfind(filters, 1, KernelCfg) of + false -> {log, []}; + {filters, FoundDef, FoundFilter} -> {FoundDef, FoundFilter} + end, + Primary = #{level => LogLvlPrimary, + filter_default => FilterDefault, + filters => Filters}, + %% Load the correct handlers based on their individual config. + [case Id of + default -> logger:update_handler_config(Id, Cfg); + _ -> logger:add_handler(Id, Mod, Cfg) + end || {handler, Id, Mod, Cfg} <- LogCfg], + logger:set_primary_config(Primary), + ok + end. + + +%% @doc Given env. variable `FOO' we want to expand all references to +%% it in `InStr'. References can have two forms: `$FOO' and `${FOO}' +%% The end of form `$FOO' is delimited with whitespace or EOL +-spec expand_env_variable(string(), string(), term()) -> string(). +expand_env_variable(InStr, VarName, RawVarValue) -> + case rebar_string:chr(InStr, $$) of + 0 -> + %% No variables to expand + InStr; + _ -> + ReOpts = [global, unicode, {return, list}], + VarValue = re:replace(RawVarValue, "\\\\", "\\\\\\\\", ReOpts), + %% Use a regex to match/replace: + %% Given variable "FOO": match $FOO\s | $FOOeol | ${FOO} + RegEx = io_lib:format("\\\$(~ts(\\W|$)|{~ts})", [VarName, VarName]), + re:replace(InStr, RegEx, [VarValue, "\\2"], ReOpts) + end. + %% ==================================================================== %% Internal functions %% ==================================================================== @@ -436,7 +542,7 @@ version_tuple(OtpRelease) -> {match, [_Full, Maj]} -> {list_to_integer(Maj), 0, 0}; nomatch -> - ?ABORT("Minimum OTP release unable to be parsed: ~s", [OtpRelease]) + ?ABORT("Minimum OTP release unable to be parsed: ~ts", [OtpRelease]) end. otp_release() -> @@ -459,11 +565,10 @@ otp_release1(Rel) -> %% It's fine to rely on the binary module here because we can %% be sure that it's available when the otp_release string does %% not begin with $R. - Size = byte_size(Vsn), %% The shortest vsn string consists of at least two digits %% followed by "\n". Therefore, it's safe to assume Size >= 3. - case binary:part(Vsn, {Size, -3}) of - <<"**\n">> -> + case binary:match(Vsn, <<"**">>) of + {Pos, _} -> %% The OTP documentation mentions that a system patched %% using the otp_patch_apply tool available to licensed %% customers will leave a '**' suffix in the version as a @@ -472,9 +577,9 @@ otp_release1(Rel) -> %% drop the suffix, given for all intents and purposes, we %% cannot obtain relevant information from it as far as %% tooling is concerned. - binary:bin_to_list(Vsn, {0, Size - 3}); - _ -> - binary:bin_to_list(Vsn, {0, Size - 1}) + binary:bin_to_list(Vsn, {0, Pos}); + nomatch -> + rebar_string:trim(binary:bin_to_list(Vsn), trailing, "\n") end end. @@ -489,30 +594,11 @@ patch_on_windows(Cmd, Env) -> end, Cmd, Env), %% Remove left-over vars re:replace(Cmd1, "\\\$\\w+|\\\${\\w+}", "", - [global, {return, list}]); + [global, {return, list}, unicode]); _ -> Cmd end. -%% -%% Given env. variable FOO we want to expand all references to -%% it in InStr. References can have two forms: $FOO and ${FOO} -%% The end of form $FOO is delimited with whitespace or eol -%% -expand_env_variable(InStr, VarName, RawVarValue) -> - case string:chr(InStr, $$) of - 0 -> - %% No variables to expand - InStr; - _ -> - ReOpts = [global, unicode, {return, list}], - VarValue = re:replace(RawVarValue, "\\\\", "\\\\\\\\", ReOpts), - %% Use a regex to match/replace: - %% Given variable "FOO": match $FOO\s | $FOOeol | ${FOO} - RegEx = io_lib:format("\\\$(~s(\\W|$)|{~s})", [VarName, VarName]), - re:replace(InStr, RegEx, [VarValue, "\\2"], ReOpts) - end. - expand_sh_flag(return_on_error) -> {error_handler, fun(_Command, Err) -> @@ -534,7 +620,7 @@ expand_sh_flag(use_stdout) -> {output_handler, fun(Line, Acc) -> %% Line already has a newline so don't use ?CONSOLE which adds one - io:format("~s", [Line]), + io:format("~ts", [Line]), [Line | Acc] end}; expand_sh_flag({use_stdout, false}) -> @@ -557,23 +643,23 @@ log_msg_and_abort(Message) -> -spec debug_log_msg_and_abort(string()) -> err_handler(). debug_log_msg_and_abort(Message) -> fun(Command, {Rc, Output}) -> - ?DEBUG("sh(~s)~n" + ?DEBUG("sh(~ts)~n" "failed with return code ~w and the following output:~n" - "~s", [Command, Rc, Output]), + "~ts", [Command, Rc, Output]), ?ABORT(Message, []) end. -spec log_and_abort(string(), {integer(), string()}) -> no_return(). log_and_abort(Command, {Rc, Output}) -> - ?ABORT("sh(~s)~n" + ?ABORT("sh(~ts)~n" "failed with return code ~w and the following output:~n" - "~s", [Command, Rc, Output]). + "~ts", [Command, Rc, Output]). -spec debug_and_abort(string(), {integer(), string()}) -> no_return(). debug_and_abort(Command, {Rc, Output}) -> - ?DEBUG("sh(~s)~n" + ?DEBUG("sh(~ts)~n" "failed with return code ~w and the following output:~n" - "~s", [Command, Rc, Output]), + "~ts", [Command, Rc, Output]), throw(rebar_abort). sh_loop(Port, Fun, Acc) -> @@ -592,10 +678,6 @@ sh_loop(Port, Fun, Acc) -> end end. -beam_to_mod(Dir, Filename) -> - [Dir | Rest] = filename:split(Filename), - list_to_atom(filename:basename(string:join(Rest, "."), ".beam")). - beam_to_mod(Filename) -> list_to_atom(filename:basename(Filename, ".beam")). @@ -633,36 +715,40 @@ escript_foldl(Fun, Acc, File) -> Error end. -vcs_vsn(Vcs, Dir, Resources) -> - case vcs_vsn_cmd(Vcs, Dir, Resources) of +%% TODO: this is just for rebar3_hex and maybe other plugins +%% but eventually it should be dropped +vcs_vsn(OriginalVsn, Dir, Resources) when is_list(Dir) , + is_list(Resources) -> + ?WARN("Using deprecated rebar_utils:vcs_vsn/3. Please upgrade your plugins.", []), + FakeState = rebar_state:new(), + {ok, AppInfo} = rebar_app_info:new(fake, OriginalVsn, Dir), + vcs_vsn(AppInfo, OriginalVsn, + rebar_state:set_resources(FakeState, Resources)); +vcs_vsn(AppInfo, Vcs, State) -> + case vcs_vsn_cmd(AppInfo, Vcs, State) of {plain, VsnString} -> VsnString; {cmd, CmdString} -> - vcs_vsn_invoke(CmdString, Dir); + vcs_vsn_invoke(CmdString, rebar_app_info:dir(AppInfo)); unknown -> ?ABORT("vcs_vsn: Unknown vsn format: ~p", [Vcs]); {error, Reason} -> - ?ABORT("vcs_vsn: ~s", [Reason]) + ?ABORT("vcs_vsn: ~ts", [Reason]) end. %% Temp work around for repos like relx that use "semver" -vcs_vsn_cmd(Vsn, _, _) when is_binary(Vsn) -> +vcs_vsn_cmd(_, Vsn, _) when is_binary(Vsn) -> {plain, Vsn}; -vcs_vsn_cmd(VCS, Dir, Resources) when VCS =:= semver ; VCS =:= "semver" -> - vcs_vsn_cmd(git, Dir, Resources); -vcs_vsn_cmd({cmd, _Cmd}=Custom, _, _) -> +vcs_vsn_cmd(AppInfo, VCS, State) when VCS =:= semver ; VCS =:= "semver" -> + vcs_vsn_cmd(AppInfo, git, State); +vcs_vsn_cmd(_AppInfo, {cmd, _Cmd}=Custom, _) -> Custom; -vcs_vsn_cmd(VCS, Dir, Resources) when is_atom(VCS) -> - case find_resource_module(VCS, Resources) of - {ok, Module} -> - Module:make_vsn(Dir); - {error, _} -> - unknown - end; -vcs_vsn_cmd(VCS, Dir, Resources) when is_list(VCS) -> +vcs_vsn_cmd(AppInfo, VCS, State) when is_atom(VCS) -> + rebar_resource_v2:make_vsn(AppInfo, VCS, State); +vcs_vsn_cmd(AppInfo, VCS, State) when is_list(VCS) -> try list_to_existing_atom(VCS) of AVCS -> - case vcs_vsn_cmd(AVCS, Dir, Resources) of + case vcs_vsn_cmd(AppInfo, AVCS, State) of unknown -> {plain, VCS}; Other -> Other end @@ -675,20 +761,7 @@ vcs_vsn_cmd(_, _, _) -> vcs_vsn_invoke(Cmd, Dir) -> {ok, VsnString} = rebar_utils:sh(Cmd, [{cd, Dir}, {use_stdout, false}]), - string:strip(VsnString, right, $\n). - -find_resource_module(Type, Resources) -> - case lists:keyfind(Type, 1, Resources) of - false -> - case code:which(Type) of - non_existing -> - {error, unknown}; - _ -> - {ok, Type} - end; - {Type, Module} -> - {ok, Module} - end. + rebar_string:trim(VsnString, trailing, "\n"). %% @doc ident to the level specified -spec indent(non_neg_integer()) -> iolist(). @@ -735,11 +808,20 @@ remove_from_code_path(Paths) -> ok; {ok, Modules} -> application:unload(App), - [begin code:purge(M), code:delete(M) end || M <- Modules] + [case erlang:check_process_code(self(), M) of + false -> + code:purge(M), code:delete(M); + _ -> + ?DEBUG("~p can't purge ~p safely, doing a soft purge", [self(), M]), + code:soft_purge(M) andalso code:delete(M) + end || M <- Modules] end, code:del_path(Path) - end, Paths). + end, lists:usort(Paths)). +%% @doc Revert to only having the beams necessary for running rebar3 and +%% plugins in the path +-spec cleanup_code_path([string()]) -> true | {error, term()}. cleanup_code_path(OrigPath) -> CurrentPath = code:get_path(), AddedPaths = CurrentPath -- OrigPath, @@ -756,7 +838,7 @@ cleanup_code_path(OrigPath) -> new_task([], Acc) -> lists:reverse(Acc); new_task([TaskList|Rest], Acc) -> - case re:split(TaskList, ",", [{return, list}, {parts, 2}]) of + case re:split(TaskList, ",", [{return, list}, {parts, 2}, unicode]) of %% `do` consumes all remaining args ["do" = Task] -> lists:reverse([{Task, Rest}|Acc]); @@ -783,7 +865,7 @@ arg_or_flag(["-" ++ _ = Flag|Rest], [{Task, Args}|Acc]) -> end; %% an argument or a sequence of arguments arg_or_flag([ArgList|Rest], [{Task, Args}|Acc]) -> - case re:split(ArgList, ",", [{return, list}, {parts, 2}]) of + case re:split(ArgList, ",", [{return, list}, {parts, 2}, unicode]) of %% single arg terminated by a comma [Arg, ""] -> new_task(Rest, [{Task, lists:reverse([Arg|Args])}|Acc]); @@ -817,8 +899,17 @@ set_httpc_options(_, []) -> ok; set_httpc_options(Scheme, Proxy) -> - {ok, {_, _, Host, Port, _, _}} = http_uri:parse(Proxy), - httpc:set_options([{Scheme, {{Host, Port}, []}}], rebar). + URI = normalise_proxy(Scheme, Proxy), + {ok, {_, UserInfo, Host, Port, _, _}} = http_uri:parse(URI), + httpc:set_options([{Scheme, {{Host, Port}, []}}], rebar), + set_proxy_auth(UserInfo). + +normalise_proxy(Scheme, URI) -> + case re:run(URI, "://", [unicode]) of + nomatch when Scheme =:= https_proxy -> "https://" ++ URI; + nomatch when Scheme =:= proxy -> "http://" ++ URI; + _ -> URI + end. url_append_path(Url, ExtraPath) -> case http_uri:parse(Url) of @@ -833,15 +924,18 @@ url_append_path(Url, ExtraPath) -> escape_chars(Str) when is_atom(Str) -> escape_chars(atom_to_list(Str)); escape_chars(Str) -> - re:replace(Str, "([ ()?`!$&;])", "\\\\&", [global, {return, list}]). + re:replace(Str, "([ ()?`!$&;\"\'])", "\\\\&", + [global, {return, list}, unicode]). %% "escape inside these" escape_double_quotes(Str) -> - re:replace(Str, "([\"\\\\`!$&*;])", "\\\\&", [global, {return, list}]). + re:replace(Str, "([\"\\\\`!$&*;])", "\\\\&", + [global, {return, list}, unicode]). %% "escape inside these" but allow * escape_double_quotes_weak(Str) -> - re:replace(Str, "([\"\\\\`!$&;])", "\\\\&", [global, {return, list}]). + re:replace(Str, "([\"\\\\`!$&;])", "\\\\&", + [global, {return, list}, unicode]). info_useless(Old, New) -> [?INFO("App ~ts is no longer needed and can be deleted.", [Name]) @@ -857,3 +951,212 @@ list_dir(Dir) -> true -> file:list_dir_all(Dir); false -> file:list_dir(Dir) end. + +set_proxy_auth([]) -> + ok; +set_proxy_auth(UserInfo) -> + [Username, Password] = re:split(UserInfo, ":", + [{return, list}, {parts,2}, unicode]), + %% password may contain url encoded characters, need to decode them first + application:set_env(rebar, proxy_auth, [{proxy_auth, {Username, http_uri:decode(Password)}}]). + +get_proxy_auth() -> + case application:get_env(rebar, proxy_auth) of + undefined -> []; + {ok, ProxyAuth} -> ProxyAuth + end. + +-spec rebar_utils:is_list_of_strings(term()) -> boolean(). +is_list_of_strings(List) when not is_list(hd(List)) -> + false; +is_list_of_strings(List) when is_list(hd(List)) -> + true; +is_list_of_strings(List) when is_list(List) -> + true. + +%%------------------------------------------------------------------------------ +%% @doc +%% Return the SSL options adequate for the project based on +%% its configuration, including for validation of certs. +%% @end +%%------------------------------------------------------------------------------ +-spec ssl_opts(Url) -> Res when + Url :: string(), + Res :: proplists:proplist(). +ssl_opts(Url) -> + case get_ssl_config() of + ssl_verify_enabled -> + ssl_opts(ssl_verify_enabled, Url); + ssl_verify_disabled -> + [{verify, verify_none}] + end. + +%%------------------------------------------------------------------------------ +%% @doc +%% Return the SSL options adequate for the project based on +%% its configuration, including for validation of certs. +%% @end +%%------------------------------------------------------------------------------ +-spec ssl_opts(Enabled, Url) -> Res when + Enabled :: atom(), + Url :: string(), + Res :: proplists:proplist(). +ssl_opts(ssl_verify_enabled, Url) -> + case check_ssl_version() of + true -> + {ok, {_, _, Hostname, _, _, _}} = + http_uri:parse(rebar_utils:to_list(Url)), + VerifyFun = {fun ssl_verify_hostname:verify_fun/3, + [{check_hostname, Hostname}]}, + CACerts = certifi:cacerts(), + [{verify, verify_peer}, {depth, 2}, {cacerts, CACerts}, + {partial_chain, fun partial_chain/1}, {verify_fun, VerifyFun}]; + false -> + ?WARN("Insecure HTTPS request (peer verification disabled), " + "please update to OTP 17.4 or later", []), + [{verify, verify_none}] + end. + +-spec partial_chain(Certs) -> Res when + Certs :: list(any()), + Res :: unknown_ca | {trusted_ca, any()}. +partial_chain(Certs) -> + Certs1 = [{Cert, public_key:pkix_decode_cert(Cert, otp)} || Cert <- Certs], + CACerts = certifi:cacerts(), + CACerts1 = [public_key:pkix_decode_cert(Cert, otp) || Cert <- CACerts], + case ec_lists:find(fun({_, Cert}) -> + check_cert(CACerts1, Cert) + end, Certs1) of + {ok, Trusted} -> + {trusted_ca, element(1, Trusted)}; + _ -> + unknown_ca + end. + +-spec extract_public_key_info(Cert) -> Res when + Cert :: #'OTPCertificate'{tbsCertificate::#'OTPTBSCertificate'{}}, + Res :: any(). +extract_public_key_info(Cert) -> + ((Cert#'OTPCertificate'.tbsCertificate)#'OTPTBSCertificate'.subjectPublicKeyInfo). + +-spec check_cert(CACerts, Cert) -> Res when + CACerts :: list(any()), + Cert :: any(), + Res :: boolean(). +check_cert(CACerts, Cert) -> + lists:any(fun(CACert) -> + extract_public_key_info(CACert) == extract_public_key_info(Cert) + end, CACerts). + +-spec check_ssl_version() -> + boolean(). +check_ssl_version() -> + case application:get_key(ssl, vsn) of + {ok, Vsn} -> + parse_vsn(Vsn) >= {5, 3, 6}; + _ -> + false + end. + +-spec get_ssl_config() -> + ssl_verify_disabled | ssl_verify_enabled. +get_ssl_config() -> + GlobalConfigFile = rebar_dir:global_config(), + Config = rebar_config:consult_file(GlobalConfigFile), + case proplists:get_value(ssl_verify, Config, []) of + false -> + ssl_verify_disabled; + _ -> + ssl_verify_enabled + end. + +-spec parse_vsn(Vsn) -> Res when + Vsn :: string(), + Res :: {integer(), integer(), integer()}. +parse_vsn(Vsn) -> + version_pad(rebar_string:lexemes(Vsn, ".-")). + +-spec version_pad(list(nonempty_string())) -> Res when + Res :: {integer(), integer(), integer()}. +version_pad([Major]) -> + {list_to_integer(Major), 0, 0}; +version_pad([Major, Minor]) -> + {list_to_integer(Major), list_to_integer(Minor), 0}; +version_pad([Major, Minor, Patch]) -> + {list_to_integer(Major), list_to_integer(Minor), list_to_integer(Patch)}; +version_pad([Major, Minor, Patch | _]) -> + {list_to_integer(Major), list_to_integer(Minor), list_to_integer(Patch)}. + + +-ifdef(filelib_find_source). +find_source(Filename, Dir, Rules) -> + filelib:find_source(Filename, Dir, Rules). +-else. +%% Looks for a file relative to a given directory + +-type find_file_rule() :: {ObjDirSuffix::string(), SrcDirSuffix::string()}. + +%% Looks for a source file relative to the object file name and directory + +-type find_source_rule() :: {ObjExtension::string(), SrcExtension::string(), + [find_file_rule()]}. + +keep_suffix_search_rules(Rules) -> + [T || {_,_,_}=T <- Rules]. + +-spec find_source(file:filename(), file:filename(), [find_source_rule()]) -> + {ok, file:filename()} | {error, not_found}. +find_source(Filename, Dir, Rules) -> + try_suffix_rules(keep_suffix_search_rules(Rules), Filename, Dir). + +try_suffix_rules(Rules, Filename, Dir) -> + Ext = filename:extension(Filename), + try_suffix_rules(Rules, filename:rootname(Filename, Ext), Dir, Ext). + +try_suffix_rules([{Ext,Src,Rules}|Rest], Root, Dir, Ext) + when is_list(Src), is_list(Rules) -> + case try_dir_rules(add_local_search(Rules), Root ++ Src, Dir) of + {ok, File} -> {ok, File}; + _Other -> + try_suffix_rules(Rest, Root, Dir, Ext) + end; +try_suffix_rules([_|Rest], Root, Dir, Ext) -> + try_suffix_rules(Rest, Root, Dir, Ext); +try_suffix_rules([], _Root, _Dir, _Ext) -> + {error, not_found}. + +%% ensuring we check the directory of the object file before any other directory +add_local_search(Rules) -> + Local = {"",""}, + [Local] ++ lists:filter(fun (X) -> X =/= Local end, Rules). + +try_dir_rules([{From, To}|Rest], Filename, Dir) + when is_list(From), is_list(To) -> + case try_dir_rule(Dir, Filename, From, To) of + {ok, File} -> {ok, File}; + error -> try_dir_rules(Rest, Filename, Dir) + end; +try_dir_rules([], _Filename, _Dir) -> + {error, not_found}. + +try_dir_rule(Dir, Filename, From, To) -> + case lists:suffix(From, Dir) of + true -> + NewDir = lists:sublist(Dir, 1, length(Dir)-length(From))++To, + Src = filename:join(NewDir, Filename), + case filelib:is_regular(Src) of + true -> {ok, Src}; + false -> find_regular_file(filelib:wildcard(Src)) + end; + false -> + error + end. + +find_regular_file([]) -> + error; +find_regular_file([File|Files]) -> + case filelib:is_regular(File) of + true -> {ok, File}; + false -> find_regular_file(Files) + end. +-endif. |