dubeejw commented on a change in pull request #2717: Ensure that base64 encoded
'+json' bodies are accepted and decoded.
URL:
https://github.com/apache/incubator-openwhisk/pull/2717#discussion_r138666423
##########
File path:
core/controller/src/main/scala/whisk/core/controller/WebActions.scala
##########
@@ -264,37 +264,50 @@ protected[core] object WhiskWebActionsApi extends
Directives {
}
/**
- * Finds the content-type in the header list and maps it to a known media
type. If it is not
- * recognized, construct a failure with appropriate message.
+ * Finds the content-type in the header list and ensures that it is a valid
format. If it is not
+ * valid, construct a failure with appropriate message.
+ * If the content-type header is missing, then return the supplied
defaultType
*/
private def findContentTypeInHeader(headers: List[RawHeader],
transid: TransactionId,
defaultType: MediaType): Try[MediaType]
= {
headers.find(_.lowercaseName == `Content-Type`.lowercaseName) match {
case Some(header) =>
MediaType.parse(header.value) match {
- case Right(mediaType: MediaType) =>
- // lookup the media type specified in the content header to see if
it is a recognized type
- MediaTypes.getForKey(mediaType.mainType ->
mediaType.subType).map(Success(_)).getOrElse {
- // this is a content-type that is not recognized, reject it
- Failure(RejectRequest(BadRequest,
Messages.httpUnknownContentType)(transid))
- }
- case _ => Failure(RejectRequest(BadRequest,
Messages.httpUnknownContentType)(transid))
+ case Right(mediaType: MediaType) => Success(mediaType)
+ case _ =>
Failure(RejectRequest(BadRequest, Messages.httpUnknownContentType)(transid))
}
case None => Success(defaultType)
}
}
+ private def isJsonFamily(mt: MediaType) = {
+ mt == `application/json` || mt.value.endsWith("+json")
+ }
+
private def interpretHttpResponseAsJson(code: StatusCode,
headers: List[RawHeader],
js: JsValue,
transid: TransactionId) = {
findContentTypeInHeader(headers, transid, `application/json`) match {
- case Success(mediaType) if (mediaType == `application/json`) =>
+ // use the default akka-http response marshaler for standard
application/json
+ case Success(mediaType) if mediaType == `application/json` =>
respondWithHeaders(removeContentTypeHeader(headers)) {
complete(code, js)
}
+ // for all other json-family content-type, explicitly marshal the
response;
+ // the order of the case statement matters; isJsonFamily returns true
for application/json
+ case Success(mediaType) if isJsonFamily(mediaType) =>
Review comment:
`isJsonFamily()` checks for `application/json` here even though the type
will never be `application/json` at this point.
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