fix(api): port is repeated when port is not standard

README.md

@@ -150,7 +150,11 @@ Release process:
 1. upload using: `VERSION=x.y.z APIKEY=abc... make upload`
 1. test installing the rock from LuaRocks
 
-### 1.1.0 (04-Nov-2022)
+### 1.1.1 (21-Nov-2022)
+
+- fix: port is repeated when port is not standard [#39](https://github.com/Kong/lua-resty-aws/pull/39)
+
+### 1.1.0 (18-Nov-2022)
 
 - fix: template handling of query string [#36](https://github.com/Kong/lua-resty-aws/pull/36)
 - fix: blob param should be in raw body [#36](https://github.com/Kong/lua-resty-aws/pull/36)

spec/02-requests/02-build_request_spec.lua

@@ -150,6 +150,7 @@ describe("operations protocol", function()
       headers = {
         ["X-Sooper-Secret"] = "towel",
         ["X-Amz-Target"] = "sts.AssumeRole",
+        ["Host"] = "sts.amazonaws.com",
       },
       method = 'POST',
       path = '/hello%20world/42',
@@ -183,6 +184,7 @@ describe("operations protocol", function()
         ["Content-Length"] = 152,
         ["Content-Type"] = "application/x-amz-json-1.0",
         ["X-Amz-Target"] = "sts.AssumeRole",
+        ["Host"] = "sts.amazonaws.com",
       },
       method = 'POST',
       path = '/hello%20world/42',
@@ -221,6 +223,7 @@ describe("operations protocol", function()
         ["Content-Length"] = 152,
         ["Content-Type"] = "application/x-amz-json-1.0",
         ["X-Amz-Target"] = "sts.AssumeRole",
+        ["Host"] = "sts.amazonaws.com",
       },
       method = 'POST',
       path = '/hello%20world/42',
@@ -275,6 +278,7 @@ describe("operations protocol", function()
         ["Content-Length"] = 424,
         ["Content-Type"] = "application/xml",
         ["X-Amz-Target"] = "sts.AssumeRole",
+        ["Host"] = "sts.amazonaws.com",
       },
       method = 'POST',
       path = '/hello%20world/42',

src/resty/aws/request/build.lua

@@ -103,7 +103,7 @@ local function get_host_port(config)
     end
   end
 
-  return host_header, port
+  return host, port, host_header
 end
 
 -- implement AWS api protocols.
@@ -128,13 +128,13 @@ local function build_request(operation, config, params)
   local http = operation.http or {}
   local uri = http.requestUri or ""
 
-  local host, port = get_host_port(config)
+  local host, port, host_header = get_host_port(config)
 
   local request = {
     path =  uri,
     method = http.method,
     query = {},
-    headers = {},
+    headers = { ["Host"] = host_header, },
     host = host,
     port = port,
   }