/
validator_base_email.erl
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/
validator_base_email.erl
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%% @author Marc Worrell <marc@worrell.nl>
%% @copyright 2009 Marc Worrell
%%
%% Based on code by Rusty Klophaus
%% Copyright 2009 Marc Worrell
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
-module(validator_base_email).
-include("zotonic.hrl").
-export([render_validator/5, validate/5, re/0]).
render_validator(email, TriggerId, _TargetId, Args, Context) ->
JsObject = z_utils:js_object(z_validation:rename_args(Args)),
Script = [<<"z_add_validator(\"">>,TriggerId,<<"\", \"email\", ">>, JsObject, <<");\n">>],
{[], Script, Context}.
%% @spec validate(Type, TriggerId, Values, Args, Context) -> {ok,AcceptedValue} | {error,Id,Error}
%% Error = invalid | novalue | {script, Script}
validate(email, Id, Value, _Args, Context) ->
case z_string:trim(Value) of
[] -> {{ok, []}, Context};
Trimmed ->
case re:run(Trimmed, [$^|re()]++"$", [extended]) of
nomatch -> {{error, Id, invalid}, Context};
{match,_} -> {{ok, Trimmed}, Context}
end
end.
re() ->
"(
(\"[^\"\\f\\n\\r\\t\\v\\b]+\")
| ([\\w\\!\\#\\$\\%\\&\\'\\*\\+\\-\\~\\/\\^\\`\\|\\{\\}]+
(\\.[\\w\\!\\#\\$\\%\\&\\'\\*\\+\\-\\~\\/\\^\\`\\|\\{\\}]+)*
)
)
@
(
(
([A-Za-z0-9\\-])+\\.
)+
[A-Za-z\\-]{2,}
)".
%% Rusty's regexp: "([^@\"\'\\s]+)@(([-a-z0-9]+\\.)+[a-z]{2,})".
%% Complete regexp:
%% ^((\"[^\"\f\n\r\t\v\b]+\")|([\w\!\#\$\%\&\'\*\+\-\~\/\^\`\|\{\}]+(\.[\w\!\#\$\%\&\'\*\+\-\~\/\^\`\|\{\}]+)*))@((\[(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))\])|(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))|((([A-Za-z0-9\-])+\.)+[A-Za-z\-]+))$