Merge pull request #63 from thiagobustamante/master

Fix body parsing

Author: thiagobustamante

src/proxy/interceptors/requestBodyTransformer.ts

@@ -10,8 +10,8 @@ module.exports = function(config: JSONAtaExpression) {
         const result: any = {};
         try {
             let body = req.body;
-            if (typeof body === 'string') {
-                body = JSON.parse(body);
+            if (typeof body === 'string' || Buffer.isBuffer(req.body)) {
+                body = JSON.parse(body.toString());
             }
             result.body = expression.evaluate(body);
         } catch (e) {

src/proxy/interceptors/requestMustache.ts

@@ -28,8 +28,8 @@ module.exports = function(config: MustacheConfig) {
         const result: any = {};
         try {
             let body = req.body;
-            if (req.body && typeof req.body === 'string') {
-                body = JSON.parse(req.body);
+            if (req.body && (typeof req.body === 'string') || Buffer.isBuffer(req.body)) {
+                body = JSON.parse(req.body.toString());
             }
             result.body = mustache.render(template, body || {});
         } catch (e) {

src/proxy/interceptors/requestXml.ts

@@ -8,8 +8,8 @@ module.exports = function(config: any) {
         const result: any = {};
         try {
             let body = req.body;
-            if (req.body && typeof req.body === 'string') {
-                body = JSON.parse(req.body);
+            if (req.body && typeof req.body === 'string' || Buffer.isBuffer(req.body)) {
+                body = JSON.parse(req.body.toString());
             }
             result.body = builder.buildObject(body);
         } catch (e) {

src/proxy/interceptors/responseBodyTransformer.ts

@@ -10,8 +10,8 @@ module.exports = function(config: JSONAtaExpression) {
         return new Promise<ResponseInterceptorResult>((resolve, reject) => {
             try {
                 let bodyData = body;
-                if (typeof bodyData === 'string') {
-                    bodyData = JSON.parse(bodyData);
+                if (typeof bodyData === 'string' || Buffer.isBuffer(bodyData)) {
+                    bodyData = JSON.parse(bodyData.toString());
                 }
                 const result = expression.evaluate(bodyData);
                 resolve({ body: result });