Add ability to proxy requests (#34)

* Add ability to proxy requests

* Convert proxy settings to struct

README.md

@@ -40,6 +40,8 @@ aws = new path.to.awscfml.aws(
 );
 ```
 
+*Note: An optional `httpProxy` argument is available when initializing the core `aws` component (a struct with `server` and `port` keys).  When set this will proxy all AWS requests.*
+
 ### ColdBox Module
 
 To use the library as a ColdBox Module, add the init arguments to the `moduleSettings` struct in `config/Coldbox.cfc`:

aws.cfc

@@ -36,9 +36,10 @@ component {
         string awsKey = '',
         string awsSecretKey = '',
         string defaultRegion = '',
-        struct constructorArgs = { }
+        struct constructorArgs = { },
+        struct httpProxy = { server: '', port: 80 }
     ) {
-        this.api = new com.api( awsKey, awsSecretKey, defaultRegion );
+        this.api = new com.api( awsKey, awsSecretKey, defaultRegion, httpProxy );
 
         for ( var service in variables.services ) {
             if ( structKeyExists( arguments.constructorArgs, service ) ) {

com/api.cfc

@@ -9,10 +9,11 @@ component accessors="true" {
     public any function init(
         required string awsKey,
         required string awsSecretKey,
-        required string defaultRegion
+        required string defaultRegion,
+        struct httpProxy = { server: '', port: 80 }
     ) {
         variables.utils = new utils();
-        variables.httpService = server.keyExists( 'lucee' ) ? new http.lucee( utils ) : new http.coldfusion( utils );
+        variables.httpService = server.keyExists( 'lucee' ) ? new http.lucee( utils, httpProxy ) : new http.coldfusion( utils, httpProxy );
         variables.credentials = new credentials( awsKey, awsSecretKey, this );
         variables.signer = new signature_v4( this );
         variables.defaultRegion = arguments.defaultRegion.len() ? arguments.defaultRegion : utils.getSystemSetting(

com/http/coldfusion.cfc

@@ -1,7 +1,8 @@
 component {
 
     public any function init(
-        required any utils
+        required any utils,
+        struct httpProxy = { server: '', port: 80 }
     ) {
         variables.utils = utils;
         return this;
@@ -21,7 +22,7 @@ component {
         var request_headers = utils.parseHeaders( headers );
         var urlPath = 'http' & ( useSSL ? 's' : '' ) & '://' & fullPath;
 
-        cfhttp(url=urlPath, method=httpMethod, result="result", timeout=timeout) {
+        cfhttp(url=urlPath, method=httpMethod, result="result", timeout=timeout, proxyserver=httpProxy.server, proxyport=httpProxy.port) {
             for ( var header in request_headers ) {
                 if ( header.name == 'host' ) continue;
                 cfhttpparam(type="header", name=lCase( header.name ), value=header.value);

com/http/lucee.cfc

@@ -1,9 +1,11 @@
 component {
 
     public any function init(
-        required any utils
+        required any utils,
+        struct httpProxy = { server: '', port: 80 }
     ) {
         variables.utils = utils;
+        variables.httpProxy = httpProxy;
         return this;
     }
 
@@ -21,7 +23,7 @@ component {
         var request_headers = utils.parseHeaders( headers );
         var urlPath = 'http' & ( useSSL ? 's' : '' ) & '://' & fullPath;
 
-        http url=urlPath method=httpMethod result="result" encodeurl=false timeout=timeout {
+        http url=urlPath method=httpMethod result="result" encodeurl=false timeout=timeout proxyServer=httpProxy.server proxyPort=httpProxy.port {
             for ( var header in request_headers ) {
                 if ( header.name == 'host' ) continue;
                 httpparam type="header" name=lCase( header.name ) value=header.value;