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Posted to dev@tomcat.apache.org by ma...@apache.org on 2017/06/30 21:53:19 UTC

svn commit: r1800473 - /tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java

Author: markt
Date: Fri Jun 30 21:53:19 2017
New Revision: 1800473

URL: http://svn.apache.org/viewvc?rev=1800473&view=rev
Log:
Only attempt to convert character encoding for text resources

Modified:
    tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java

Modified: tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java?rev=1800473&r1=1800472&r2=1800473&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java (original)
+++ tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java Fri Jun 30 21:53:19 2017
@@ -937,12 +937,7 @@ public class DefaultServlet extends Http
             } catch (IllegalStateException e) {
                 // If it fails, we try to get a Writer instead if we're
                 // trying to serve a text file
-                if (!usingPrecompressedVersion &&
-                        ((contentType == null) ||
-                                (contentType.startsWith("text")) ||
-                                (contentType.endsWith("xml")) ||
-                                (contentType.contains("/javascript")))
-                        ) {
+                if (!usingPrecompressedVersion && isText(contentType)) {
                     writer = response.getWriter();
                     // Cannot reliably serve partial content with a Writer
                     ranges = FULL;
@@ -1017,7 +1012,7 @@ public class DefaultServlet extends Http
                         // Check to see if conversion is required
                         String outputEncoding = response.getCharacterEncoding();
                         Charset charset = B2CConverter.getCharset(outputEncoding);
-                        if (charset.equals(fileEncodingCharset)) {
+                        if (!isText(contentType) || charset.equals(fileEncodingCharset)) {
                             if (!checkSendfile(request, response, resource,
                                     contentLength, null)) {
                                 // sendfile not possible so check if resource
@@ -1117,6 +1112,13 @@ public class DefaultServlet extends Http
         }
     }
 
+
+    private boolean isText(String contentType) {
+        return  contentType == null || contentType.startsWith("text") ||
+                contentType.endsWith("xml") || contentType.contains("/javascript");
+    }
+
+
     private boolean pathEndsWithCompressedExtension(String path) {
         for (CompressionFormat format : compressionFormats) {
             if (path.endsWith(format.extension)) {



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