moresandeep commented on a change in pull request #70: KNOX-1817 - Fix XSS
issues with Alias API
URL: https://github.com/apache/knox/pull/70#discussion_r264900535
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File path:
gateway-service-admin/src/main/java/org/apache/knox/gateway/service/admin/AliasResource.java
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@@ -100,15 +105,20 @@ public Response postAlias(@PathParam("topology") final
String topology,
final AliasService as = getAliasService();
try {
+ /* check if the string is properly encoded and expect encoded values */
+ topology = URLDecoder.decode(topology, StandardCharsets.UTF_8.name());
+ alias = URLDecoder.decode(alias, StandardCharsets.UTF_8.name());
+ value = URLDecoder.decode(value, StandardCharsets.UTF_8.name());
+
as.addAliasForCluster(topology, alias, value);
return status(Response.Status.CREATED).
- entity("{ \"created\" : { \"topology\": \"" + topology
- + "\", \"alias\": \"" + alias + "\" } }").
+ entity("{ \"created\" : { \"topology\": \"" +
Encode.forHtml(topology)
+ + "\", \"alias\": \"" + Encode.forHtml(alias) + "\" } }").
type(MediaType.APPLICATION_JSON_TYPE).
build();
- } catch (AliasServiceException e) {
+ } catch (AliasServiceException | UnsupportedEncodingException e) {
return status(INTERNAL_SERVER_ERROR).
- entity("Error adding alias " + alias + " for cluster " + topology
+ entity("Error adding alias " + Encode.forHtml(alias) + " for cluster
" + Encode.forHtml(topology)
+ ", reason: " + e.toString()).
Review comment:
Interesting, there is a chance it could, I will remove it.
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