From 204491c35758c6b595b409a29e8d2fd200aa53de Mon Sep 17 00:00:00 2001
From: Colin Rosenthal <csr@statsbiblioteket.dk>
Date: Fri, 12 Oct 2018 14:24:05 +0200
Subject: [PATCH] Attempt to filter out embedded images.

(cherry picked from commit aa5ff1dbdaefd04652a9c66506d20f1a6ae01dc3)
---
 .../modules/extractor/ExtractorHTML.java      | 24 ++++++++++---------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java b/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java
index c0595940..ebcaf47a 100644
--- a/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java
+++ b/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java
@@ -445,18 +445,20 @@ public class ExtractorHTML extends ContentExtractor implements InitializingBean
             } else if (attr.start(5) > -1) {
                 // SRC etc.
                 CharSequence context = elementContext(element, attr.group(5));
-                
-                // true, if we expect another HTML page instead of an image etc.
-                final Hop hop;
-                
-                if(!framesAsEmbeds
-                    && (elementStr.equalsIgnoreCase(FRAME) || elementStr
-                        .equalsIgnoreCase(IFRAME))) {
-                    hop = Hop.NAVLINK;
-                } else {
-                    hop = Hop.EMBED;
+                if (!context.toString().toLowerCase().startsWith("data:")) {
+
+                    // true, if we expect another HTML page instead of an image etc.
+                    final Hop hop;
+
+                    if (!framesAsEmbeds
+                            && (elementStr.equalsIgnoreCase(FRAME) || elementStr
+                            .equalsIgnoreCase(IFRAME))) {
+                        hop = Hop.NAVLINK;
+                    } else {
+                        hop = Hop.EMBED;
+                    }
+                    processEmbed(curi, value, context, hop);
                 }
-                processEmbed(curi, value, context, hop);
             } else if (attr.start(6) > -1) {
                 // CODEBASE
                 codebase = (value instanceof String)?