From d443c3ed29a9e6dc61514d957c56ef9714c64e9a Mon Sep 17 00:00:00 2001
From: guqing <38999863+guqing@users.noreply.github.com>
Date: Sat, 7 Oct 2023 18:42:45 +0800
Subject: [PATCH] fix: incorrect truncation of CSS resource reads (#4678)
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#### What type of PR is this?
/kind bug
/area core
/milestone 2.10.x

#### What this PR does / why we need it:
修复插件 css bundle 内容被错误拆分导致无法加载的问题

#### Which issue(s) this PR fixes:
Fixes #4677

#### Does this PR introduce a user-facing change?
```release-note
修复插件 css bundle 内容被错误拆分导致无法加载的问题
```
---
 .../extension/service/impl/PluginServiceImpl.java   | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/application/src/main/java/run/halo/app/core/extension/service/impl/PluginServiceImpl.java b/application/src/main/java/run/halo/app/core/extension/service/impl/PluginServiceImpl.java
index ab029aa69d..7db4fb7ca6 100644
--- a/application/src/main/java/run/halo/app/core/extension/service/impl/PluginServiceImpl.java
+++ b/application/src/main/java/run/halo/app/core/extension/service/impl/PluginServiceImpl.java
@@ -26,7 +26,6 @@
 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 import org.springframework.stereotype.Component;
 import org.springframework.util.Assert;
-import org.springframework.util.StreamUtils;
 import org.springframework.web.server.ServerWebInputException;
 import reactor.core.Exceptions;
 import reactor.core.publisher.Flux;
@@ -179,9 +178,15 @@ public Flux<DataBuffer> uglifyCssBundle() {
                 return BundleResourceUtils.getJsBundleResource(pluginManager, pluginName,
                     BundleResourceUtils.CSS_BUNDLE);
             })
-            .flatMap(resource -> DataBufferUtils.read(resource,
-                DefaultDataBufferFactory.sharedInstance, StreamUtils.BUFFER_SIZE)
-            );
+            .flatMap(resource -> {
+                try {
+                    return DataBufferUtils.read(resource, DefaultDataBufferFactory.sharedInstance,
+                        (int) resource.contentLength());
+                } catch (IOException e) {
+                    log.error("Failed to read plugin css bundle resource", e);
+                    return Flux.empty();
+                }
+            });
     }
 
     @Override