nddipiazza commented on code in PR #1737:
URL: https://github.com/apache/tika/pull/1737#discussion_r1583602257


##########
tika-pipes/tika-fetchers/tika-fetcher-http/src/main/java/org/apache/tika/pipes/fetcher/http/HttpFetcher.java:
##########
@@ -143,10 +143,24 @@ public InputStream fetch(String fetchKey, Metadata 
metadata) throws IOException,
                         .setMaxRedirects(maxRedirects)
                         .setRedirectsEnabled(true).build();
         get.setConfig(requestConfig);
-        if (! StringUtils.isBlank(userAgent)) {
+        setHttpRequestHeaders(metadata, get);
+        return execute(get, metadata, httpClient, true);
+    }
+
+    private void setHttpRequestHeaders(Metadata metadata, HttpGet get) {
+        if (!StringUtils.isBlank(userAgent)) {
             get.setHeader(USER_AGENT, userAgent);
         }
-        return execute(get, metadata, httpClient, true);
+        // additional http request headers can be sent in here.
+        String[] httpRequestHeaders = metadata.getValues("httpRequestHeaders");

Review Comment:
   httpHeaders is a config parameter that is for storing some of the http 
headers on the response. I will look into documenting the jsons somehow to 
prevent confusion in future. 



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