fix微信永久素材下载返回json 和ok下载永久素材丢失流的问题

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/requestexecuter/material/MaterialVoiceAndImageDownloadApacheHttpRequestExecutor.java

@@ -46,7 +46,7 @@ public InputStream execute(String uri, String materialId, WxType wxType) throws
       // 下载媒体文件出错
       byte[] responseContent = IOUtils.toByteArray(inputStream);
       String responseContentString = new String(responseContent, StandardCharsets.UTF_8);
-      if (responseContentString.length() < 100) {
+      if (responseContentString.length() <= 128) {
         try {
           WxError wxError = WxGsonBuilder.create().fromJson(responseContentString, WxError.class);
           if (wxError.getErrorCode() != 0) {

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/requestexecuter/material/MaterialVoiceAndImageDownloadJoddHttpRequestExecutor.java

@@ -42,7 +42,7 @@ public InputStream execute(String uri, String materialId, WxType wxType) throws
       // 下载媒体文件出错
       byte[] responseContent = IOUtils.toByteArray(inputStream);
       String responseContentString = new String(responseContent, StandardCharsets.UTF_8);
-      if (responseContentString.length() < 100) {
+      if (responseContentString.length() <= 128) {
         try {
           WxError wxError = WxGsonBuilder.create().fromJson(responseContentString, WxError.class);
           if (wxError.getErrorCode() != 0) {

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/requestexecuter/material/MaterialVoiceAndImageDownloadOkhttpRequestExecutor.java

@@ -10,6 +10,7 @@
 import okhttp3.*;
 import okio.BufferedSink;
 import okio.Okio;
+import org.apache.commons.io.IOUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -40,10 +41,7 @@ public InputStream execute(String uri, String materialId, WxType wxType) throws
       String responseContent = response.body().string();
       throw new WxErrorException(WxError.fromJson(responseContent, WxType.MP));
     }
-
-    try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); BufferedSink sink = Okio.buffer(Okio.sink(outputStream))) {
-      sink.writeAll(response.body().source());
-      return new ByteArrayInputStream(outputStream.toByteArray());
-    }
+    byte[] responseContent = IOUtils.toByteArray(response.body().source().inputStream());
+    return new ByteArrayInputStream(responseContent);
   }
 }