Fix header name comparison with ignore case to fix #485. Somewhere outside of the Java runtime, a change in a backend system returned lower case headers...

PiperOrigin-RevId: 889607617
Change-Id: I584aef4a4e960019cfd09cec46b7d28f15835e2d

Author: ludoch

api_dev/src/main/java/com/google/appengine/tools/development/testing/LocalTaskQueueTestConfig.java

@@ -261,10 +261,10 @@ public int execute(URLFetchServicePb.URLFetchRequest req) {
       ByteString payload = null;
       for (URLFetchServicePb.URLFetchRequest.Header header : req.getHeaderList()) {
         // See if this is a DeferredTask.
-        if (header.getKey().equals("content-type") &&
+        if (header.getKey().equalsIgnoreCase("content-type") &&
             DeferredTaskContext.RUNNABLE_TASK_CONTENT_TYPE.equals(header.getValue())) {
           payload = req.getPayload();
-        } else if (CURRENT_NAMESPACE_HEADER.equals(header.getKey())) {
+        } else if (CURRENT_NAMESPACE_HEADER.equalsIgnoreCase(header.getKey())) {
           requestNamespace = header.getValue();
         }
       }

api_dev/src/main/java/com/google/appengine/tools/development/testing/jakarta/LocalTaskQueueTestConfig.java

@@ -264,10 +264,10 @@ public int execute(URLFetchServicePb.URLFetchRequest req) {
       ByteString payload = null;
       for (URLFetchServicePb.URLFetchRequest.Header header : req.getHeaderList()) {
         // See if this is a DeferredTask.
-        if (header.getKey().equals("content-type") &&
+        if (header.getKey().equalsIgnoreCase("content-type") &&
             DeferredTaskContext.RUNNABLE_TASK_CONTENT_TYPE.equals(header.getValue())) {
           payload = req.getPayload();
-        } else if (CURRENT_NAMESPACE_HEADER.equals(header.getKey())) {
+        } else if (CURRENT_NAMESPACE_HEADER.equalsIgnoreCase(header.getKey())) {
           requestNamespace = header.getValue();
         }
       }

api_dev/src/test/java/com/google/appengine/api/taskqueue/TaskQueueTest.java

@@ -327,9 +327,9 @@ static class MockQueueBulkAddApiHelper extends QueueApiHelper {
                   if (DEFAULT_NAMESPACE_HEADER.equals(header.getKey())
                       || CURRENT_NAMESPACE_HEADER.equals(header.getKey())) {
                     return 1; // Sort namespace headers after user-specified headers.
-                  } else if ("content-type".equals(header.getKey().toStringUtf8())
+                  } else if ("content-type".equalsIgnoreCase(header.getKey().toStringUtf8())
                       && "application/x-www-form-urlencoded"
-                          .equals(header.getValue().toStringUtf8())) {
+                          .equalsIgnoreCase(header.getValue().toStringUtf8())) {
                     return 2; // Sort default content-type header last.
                   } else {
                     return 0; // Let everything else remain in the original order (given a stable

runtime/impl/src/main/java/com/google/apphosting/runtime/ApiProxyImpl.java

@@ -973,9 +973,9 @@ public static final class EnvironmentImpl implements ApiProxy.EnvironmentWithTra
           .getHeadersList()
           .forEach(
               header -> {
-                if (header.getKey().equals(DEFAULT_NAMESPACE_HEADER)) {
+                if (header.getKey().equalsIgnoreCase(DEFAULT_NAMESPACE_HEADER)) {
                   attributes.put(APPS_NAMESPACE_KEY, header.getValue());
-                } else if (header.getKey().equals(CURRENT_NAMESPACE_HEADER)) {
+                } else if (header.getKey().equalsIgnoreCase(CURRENT_NAMESPACE_HEADER)) {
                   attributes.put(CURRENT_NAMESPACE_KEY, header.getValue());
                 }
               });