From 213196d26c810e288281459dac1579d4d9e47d3d Mon Sep 17 00:00:00 2001
From: 131 <11222509+Netrvin@users.noreply.github.com>
Date: Sat, 12 Feb 2022 23:10:47 +0800
Subject: [PATCH] =?UTF-8?q?Data=20URI=20=E6=94=AF=E6=8C=81=EF=BC=88EPUB?=
 =?UTF-8?q?=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/me/ag2s/epublib/domain/Resources.java    | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/epublib/src/main/java/me/ag2s/epublib/domain/Resources.java b/epublib/src/main/java/me/ag2s/epublib/domain/Resources.java
index 27d512700..1a57c6a9c 100644
--- a/epublib/src/main/java/me/ag2s/epublib/domain/Resources.java
+++ b/epublib/src/main/java/me/ag2s/epublib/domain/Resources.java
@@ -10,6 +10,9 @@ import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import android.util.Base64;
 
 /**
  * All the resources that make up the book.
@@ -314,7 +317,17 @@ public class Resources implements Serializable {
             return null;
         }
         href = StringUtil.substringBefore(href, Constants.FRAGMENT_SEPARATOR_CHAR);
-        return resources.get(href);
+
+        Pattern dataUriRegex = Pattern.compile("data:([\\w/\\-\\.]+);base64,(.*)");
+        Matcher dataUriMatcher = dataUriRegex.matcher(href);
+        if (dataUriMatcher.find()) {
+            String dataUriMediaTypeString = dataUriMatcher.group(1);
+            MediaType dataUriMediaType = new MediaType(dataUriMediaTypeString, "." + StringUtil.substringAfterLast(dataUriMediaTypeString, '/'));
+            byte[] dataUriData = Base64.decode(dataUriMatcher.group(2), Base64.DEFAULT);
+            return new Resource(dataUriData, dataUriMediaType);
+        } else {
+            return resources.get(href);
+        }
     }
 
     /**