fix: s3 link error when filename renaming enable (#91)

fixes #90 请测试 `上传时重命名文件方式` 选项为**非**保留原文件名时，是否能正常关联s3文件 ![image](https://github.com/halo-dev/plugin-s3/assets/28662535/22ab0467-60bd-4c4c-a486-38bc922b7f37) ```release-note 当上传时文件重命名功能开启时关联S3文件错误 ```
halo-dev · Oct 26, 2023 · c0fb2b1 · c0fb2b1
1 parent c79fee9
commit c0fb2b1
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diff --git a/src/main/java/run/halo/s3os/S3LinkServiceImpl.java b/src/main/java/run/halo/s3os/S3LinkServiceImpl.java
@@ -184,7 +184,7 @@ public Mono<LinkResult.LinkResultItem> addAttachmentRecord(String policyName,
                     .map(headObjectResponse -> {
                         var objectDetail = new S3OsAttachmentHandler.ObjectDetail(
                                 new S3OsAttachmentHandler.UploadState(properties,
-                                        FileNameUtils.extractFileNameFromS3Key(objectKey)),
+                                        FileNameUtils.extractFileNameFromS3Key(objectKey), false),
                                 headObjectResponse);
                         return handler.buildAttachment(properties, objectDetail);
                     })

diff --git a/src/main/java/run/halo/s3os/S3OsAttachmentHandler.java b/src/main/java/run/halo/s3os/S3OsAttachmentHandler.java
@@ -304,7 +304,7 @@ ByteBuffer deepCopy(ByteBuffer src) {
     Mono<ObjectDetail> upload(UploadContext uploadContext, S3OsProperties properties) {
         return Mono.using(() -> buildS3Client(properties),
             client -> {
-                var uploadState = new UploadState(properties, uploadContext.file().filename());
+                var uploadState = new UploadState(properties, uploadContext.file().filename(), true);
 
                 var content = uploadContext.file().content();
 
@@ -492,12 +492,14 @@ static class UploadState {
         String objectKey;
         boolean needRemoveMapKey = false;
 
-        public UploadState(S3OsProperties properties, String fileName) {
+        public UploadState(S3OsProperties properties, String fileName, boolean needRandomJudge) {
             this.properties = properties;
             this.originalFileName = fileName;
 
-            fileName = FileNameUtils.getRandomFilename(fileName,
+            if (needRandomJudge) {
+                fileName = FileNameUtils.getRandomFilename(fileName,
                     properties.getRandomStringLength(), properties.getRandomFilenameMode());
+            }
 
             this.fileName = fileName;
             this.objectKey = properties.getObjectName(fileName);