From d3e83b7a9e53fa03ffc6b274ec1cc570cc0e41c0 Mon Sep 17 00:00:00 2001
From: David Leach <dleach@wetafx.co.nz>
Date: Wed, 30 Sep 2015 10:07:21 +1300
Subject: Add support for disabling ssl verification for hex

Uses global rebar config to see if user wishes to disable ssl verfication.
If {ssl_verify, false} is present certificates will not be verified.
---
 src/rebar_pkg_resource.erl | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/rebar_pkg_resource.erl b/src/rebar_pkg_resource.erl
index f456587..4458c5b 100644
--- a/src/rebar_pkg_resource.erl
+++ b/src/rebar_pkg_resource.erl
@@ -129,6 +129,14 @@ etag(Path) ->
     end.
 
 ssl_opts(Url) ->
+    case get_ssl_config() of
+        ssl_verify_enabled ->
+            ssl_opts(ssl_verify_enabled, Url);
+        ssl_verify_disabled ->
+            [{verify, verify_none}]
+    end.
+
+ssl_opts(ssl_verify_enabled, Url) ->
     case check_ssl_version() of
         true ->
             {ok, {_, _, Hostname, _, _, _}} = http_uri:parse(ec_cnv:to_list(Url)),
@@ -175,6 +183,16 @@ check_ssl_version() ->
             false
     end.
 
+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.
+
 parse_vsn(Vsn) ->
     version_pad(string:tokens(Vsn, ".")).
 
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