From 3dd63ab6fd99a74f2d84a9fd1eefdde039510b3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pierre=20Mazi=C3=A8re?= <pierre.maziere@gmx.com>
Date: Sun, 3 Jul 2016 23:11:28 +0200
Subject: [PATCH] enable proxy usage for individual bridge
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Signed-off-by: Pierre Mazière <pierre.maziere@gmx.com>
---
 index.php         |  6 +++++-
 lib/Bridge.php    |  3 ++-
 lib/HTMLUtils.php | 22 +++++++++++++++++-----
 3 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/index.php b/index.php
index 9440625..b26741c 100644
--- a/index.php
+++ b/index.php
@@ -100,7 +100,7 @@ try{
 			// whitelist control
 			if(!Bridge::isWhitelisted($whitelist_selection, $bridge)) {
 				throw new \HttpException('This bridge is not whitelisted', 401);
-				die; 
+				die;
 			}
 
                     $cache = Cache::create('FileCache');
@@ -111,6 +111,10 @@ try{
                     } else {
                         $bridge->setCache($cache); // just add disable cache to your query to disable caching
                     }
+                    if(isset($_REQUEST['_p'])){
+                      $bridge->useProxy=true;
+                    }
+                    $bridge->setDatas($_REQUEST);
 					$bridge->loadMetadatas();
                     $bridge->setDatas($_REQUEST);
                     // Data transformation
diff --git a/lib/Bridge.php b/lib/Bridge.php
index a8732e0..2af6c15 100644
--- a/lib/Bridge.php
+++ b/lib/Bridge.php
@@ -21,6 +21,7 @@ abstract class BridgeAbstract implements BridgeInterface{
 	public $uri = "";
 	public $description = 'No description provided';
 	public $maintainer = 'No maintainer';
+	public $useProxy = false;
 	public $parameters = array();
 
     /**
@@ -111,7 +112,7 @@ abstract class BridgeAbstract implements BridgeInterface{
         ),
       );
 
-      if(defined('PROXY_URL')) {
+      if(defined('PROXY_URL') && $this->useProxy) {
         $contextOptions['http']['proxy'] = PROXY_URL;
         $contextOptions['http']['request_fulluri'] = true;
 
diff --git a/lib/HTMLUtils.php b/lib/HTMLUtils.php
index ade0ca4..7547dfc 100644
--- a/lib/HTMLUtils.php
+++ b/lib/HTMLUtils.php
@@ -28,6 +28,12 @@ CARD;
 			$card .= HTMLUtils::getFormHeader($bridgeName);
 
 			if ($isActive){
+				if(defined('PROXY_URL')){
+					$idArg = 'arg-' . urlencode($bridgeName) . '-' . urlencode('proxy') . '-' . urlencode('_p');
+					$card .= '<input id="' . $idArg . '" type="checkbox" name="_p" />' . PHP_EOL;
+					$card .= '<label for="' .$idArg. '">Enable proxy ('.PROXY_URL.')</label><br />' . PHP_EOL;
+				}
+
 				$card .= HTMLUtils::getHelperButtonsFormat($formats);
 			} else {
 				$card .= '<span style="font-weight: bold;">Inactive</span>';
@@ -40,13 +46,13 @@ CARD;
 
 		if($hasGlobalParameter)
 			$globalParameters = json_decode($bridgeElement->parameters['global'], true);
-		
+
 		foreach($bridgeElement->parameters as $parameterName => $parameter){
 			$parameter = json_decode($parameter, true);
 
 			if(!is_numeric($parameterName) && $parameterName == 'global')
 				continue;
-			
+
 			if($hasGlobalParameter)
 				$parameter = array_merge($parameter, $globalParameters);
 
@@ -82,7 +88,7 @@ CARD;
 					$card .= '<input ' . $additionalInfoString . ' id="' . $idArg . '" type="number" value="' . $inputEntry['defaultValue'] . '" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
 				} else if($inputEntry['type'] == 'list') {
 					$card .= '<select ' . $additionalInfoString . ' id="' . $idArg . '" name="' . $inputEntry['identifier'] . '" >';
-					
+
 					foreach($inputEntry['values'] as $listValues) {
 						if($inputEntry['defaultValue'] === $listValues['name'] || $inputEntry['defaultValue'] === $listValues['value'])
 							$card .= '<option value="' . $listValues['value'] . '" selected>' . $listValues['name'] . '</option>';
@@ -100,11 +106,17 @@ CARD;
 			}
 
 			if ($isActive){
+				if(defined('PROXY_URL')){
+					$idArg = 'arg-' . urlencode($bridgeName) . '-' . urlencode('proxy') . '-' . urlencode('_p');
+					$card .= '<input id="' . $idArg . '" type="checkbox" name="_p" />' . PHP_EOL;
+					$card .= '<label for="' .$idArg. '">Enable proxy ('.PROXY_URL.')</label><br />' . PHP_EOL;
+				}
+
 				$card .= HTMLUtils::getHelperButtonsFormat($formats);
 			} else {
 				$card .= '<span style="font-weight: bold;">Inactive</span>';
 			}
-			
+
 			$card .= '</form>' . PHP_EOL;
 		}
 
@@ -161,7 +173,7 @@ class HTMLSanitizer {
 				$element->outertext = '';
 			} else {
 				foreach($element->getAllAttributes() as $attributeName => $attribute) {
-					if(!in_array($attributeName, $this->keptAttributes)) 
+					if(!in_array($attributeName, $this->keptAttributes))
 						$element->removeAttribute($attributeName);
 				}
 			}