From 7d7ce433f4f782318853f07d97d71542e74147ce Mon Sep 17 00:00:00 2001
From: jiseopshin <wltjq1203@icloud.com>
Date: Tue, 14 Oct 2025 12:35:03 +0900
Subject: [PATCH 1/5] =?UTF-8?q?Feat=20:=20uuid=EB=A5=BC=20=EA=B0=96?=
 =?UTF-8?q?=EB=8A=94=20=EB=A1=9C=EC=9A=B0=20=EC=A1=B4=EC=9E=AC=ED=99=95?=
 =?UTF-8?q?=EC=9D=B8=ED=95=98=EB=8A=94=20JPA=EB=A9=94=EC=84=9C=EB=93=9C=20?=
 =?UTF-8?q?=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/back/domain/file/video/repository/VideoRepository.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/back/src/main/java/com/back/domain/file/video/repository/VideoRepository.java b/back/src/main/java/com/back/domain/file/video/repository/VideoRepository.java
index b3151f13..7afec625 100644
--- a/back/src/main/java/com/back/domain/file/video/repository/VideoRepository.java
+++ b/back/src/main/java/com/back/domain/file/video/repository/VideoRepository.java
@@ -9,4 +9,5 @@
 @Repository
 public interface VideoRepository extends JpaRepository<Video, Integer> {
     Optional<Video> findByUuid(String uuid);
+    boolean existsByUuid(String uuid);
 }

From 17ed108e3098cd0c866d8aa615aacc96c655a6db Mon Sep 17 00:00:00 2001
From: jiseopshin <wltjq1203@icloud.com>
Date: Tue, 14 Oct 2025 12:35:26 +0900
Subject: [PATCH 2/5] =?UTF-8?q?Feat=20:=20=EB=8D=B0=EC=9D=B4=ED=84=B0?=
 =?UTF-8?q?=EB=B2=A0=EC=9D=B4=EC=8A=A4=EC=97=90=20uuid=EB=A5=BC=20?=
 =?UTF-8?q?=EA=B0=96=EB=8A=94=20=EB=A1=9C=EC=9A=B0=20=EC=A1=B4=EC=9E=AC?=
 =?UTF-8?q?=ED=99=95=EC=9D=B8=ED=95=98=EB=8A=94=20=EB=A9=94=EC=84=9C?=
 =?UTF-8?q?=EB=93=9C=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/back/domain/file/video/service/VideoService.java    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/back/src/main/java/com/back/domain/file/video/service/VideoService.java b/back/src/main/java/com/back/domain/file/video/service/VideoService.java
index 51cd2a8b..c4aae5b4 100644
--- a/back/src/main/java/com/back/domain/file/video/service/VideoService.java
+++ b/back/src/main/java/com/back/domain/file/video/service/VideoService.java
@@ -29,4 +29,10 @@ public Video updateStatus(String uuid, String status) {
         news.updateStatus(status);
         return videoRepository.save(news);
     }
+
+    public void isExistByUuid(String uuid) {
+        if (!videoRepository.existsByUuid(uuid)) {
+            throw new ServiceException("404", "Video not found");
+        }
+    }
 }

From 26d0828c2c712d589437d8967abcdeae8e25425d Mon Sep 17 00:00:00 2001
From: jiseopshin <wltjq1203@icloud.com>
Date: Tue, 14 Oct 2025 12:36:46 +0900
Subject: [PATCH 3/5] =?UTF-8?q?Feat=20:=20uuid=EC=99=80=20=ED=95=B4?=
 =?UTF-8?q?=EC=83=81=EB=8F=84=EB=A5=BC=20=EC=A0=84=EB=8B=AC=ED=95=98?=
 =?UTF-8?q?=EB=A9=B4=20=ED=95=B4=EC=83=81=EB=8F=84=EB=A5=BC=20=EA=B2=80?=
 =?UTF-8?q?=EC=82=AC=ED=95=98=EA=B3=A0=20=EC=A0=81=EC=A0=88=ED=95=9C=20mpd?=
 =?UTF-8?q?=ED=8C=8C=EC=9D=BC=EC=9D=84=20=EB=B0=98=ED=99=98=ED=95=98?=
 =?UTF-8?q?=EB=8A=94=20PresignedGetObjectRequest=EB=A5=BC=20=EC=9A=94?=
 =?UTF-8?q?=EC=B2=AD=ED=95=98=EB=8F=84=EB=A1=9D=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../file/video/controller/VideoController.java      |  4 ++--
 .../back/domain/file/video/service/FileManager.java | 13 ++++++++++++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/back/src/main/java/com/back/domain/file/video/controller/VideoController.java b/back/src/main/java/com/back/domain/file/video/controller/VideoController.java
index 09e5e9b9..c6a1fb11 100644
--- a/back/src/main/java/com/back/domain/file/video/controller/VideoController.java
+++ b/back/src/main/java/com/back/domain/file/video/controller/VideoController.java
@@ -37,8 +37,8 @@ public RsData<UploadUrlGetResponse> getUploadUrl(@RequestParam String filename)
 
     @GetMapping("/videos/download")
     @Operation(summary = "다운로드용 URL 요청", description = "파일 다운로드를 위한 Presigned URL을 발급받습니다.")
-    public RsData<DownLoadUrlGetResponse> getDownloadUrls(@RequestParam String objectKey) {
-        PresignedUrlResponse downloadUrl = fileManager.getDownloadUrl(objectKey);
+    public RsData<DownLoadUrlGetResponse> getDownloadUrls(@RequestParam String uuid, @RequestParam String resolution) {
+        PresignedUrlResponse downloadUrl = fileManager.getDownloadUrl(uuid, resolution);
         DownLoadUrlGetResponse response = new DownLoadUrlGetResponse(downloadUrl.url().toString(), downloadUrl.expiresAt());
         return new RsData<>("200", "다운로드용 URL 요청완료", response);
     }
diff --git a/back/src/main/java/com/back/domain/file/video/service/FileManager.java b/back/src/main/java/com/back/domain/file/video/service/FileManager.java
index 178e318b..00c2d595 100644
--- a/back/src/main/java/com/back/domain/file/video/service/FileManager.java
+++ b/back/src/main/java/com/back/domain/file/video/service/FileManager.java
@@ -8,6 +8,7 @@
 
 import java.net.URL;
 import java.time.LocalDateTime;
+import java.util.Set;
 import java.util.UUID;
 
 @Service
@@ -15,6 +16,7 @@
 public class FileManager {
     private final VideoService videoService;
     private final S3Service s3Service;
+    private final Set<String> validResolutions = Set.of("480p", "720p", "1080p");
 
     public PresignedUrlResponse getUploadUrl(String filename) {
         String contentType = validateAndGetContentType(filename);
@@ -53,8 +55,11 @@ private String validateAndGetContentType(String filename) {
         }
     }
 
-    public PresignedUrlResponse getDownloadUrl(String objectKey) {
+    public PresignedUrlResponse getDownloadUrl(String uuid, String resolution) {
         Integer expires = 60;
+        validateResolution(resolution);
+        videoService.isExistByUuid(uuid);
+        String objectKey = "transcoded/videos/" + uuid + "/" + resolution + "/manifest.mpd";
         URL url = s3Service.generateDownloadUrl(objectKey, expires);
         LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(expires);
         return new PresignedUrlResponse(url, expiresAt);
@@ -68,4 +73,10 @@ public void updateVideoStatus(String videoId, String status) {
             videoService.createVideo(videoId, status, "/", 0);
         }
     }
+
+    public void validateResolution(String resolution) {
+        if (!validResolutions.contains(resolution)) {
+            throw new ServiceException("400", "지원하지 않는 해상도입니다: " + resolution);
+        }
+    }
 }

From a99a6bc0a989998fad525212a01c2e8cf7c5ba16 Mon Sep 17 00:00:00 2001
From: jiseopshin <wltjq1203@icloud.com>
Date: Tue, 14 Oct 2025 14:25:19 +0900
Subject: [PATCH 4/5] =?UTF-8?q?Chore=20:=20=ED=8C=A8=ED=82=A4=EC=A7=80=20?=
 =?UTF-8?q?=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/back/domain/file/{ => video}/entity/VideoTest.java | 2 +-
 .../com/back/domain/file/{ => video}/service/S3ServiceTest.java | 2 +-
 .../back/domain/file/{ => video}/service/VideoServiceTest.java  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
 rename back/src/test/java/com/back/domain/file/{ => video}/entity/VideoTest.java (98%)
 rename back/src/test/java/com/back/domain/file/{ => video}/service/S3ServiceTest.java (99%)
 rename back/src/test/java/com/back/domain/file/{ => video}/service/VideoServiceTest.java (99%)

diff --git a/back/src/test/java/com/back/domain/file/entity/VideoTest.java b/back/src/test/java/com/back/domain/file/video/entity/VideoTest.java
similarity index 98%
rename from back/src/test/java/com/back/domain/file/entity/VideoTest.java
rename to back/src/test/java/com/back/domain/file/video/entity/VideoTest.java
index 5fe1b7cb..b7ead956 100644
--- a/back/src/test/java/com/back/domain/file/entity/VideoTest.java
+++ b/back/src/test/java/com/back/domain/file/video/entity/VideoTest.java
@@ -1,4 +1,4 @@
-package com.back.domain.file.entity;
+package com.back.domain.file.video.entity;
 
 import com.back.domain.file.video.entity.Video;
 import org.junit.jupiter.api.DisplayName;
diff --git a/back/src/test/java/com/back/domain/file/service/S3ServiceTest.java b/back/src/test/java/com/back/domain/file/video/service/S3ServiceTest.java
similarity index 99%
rename from back/src/test/java/com/back/domain/file/service/S3ServiceTest.java
rename to back/src/test/java/com/back/domain/file/video/service/S3ServiceTest.java
index acd66d2a..8ec12c31 100644
--- a/back/src/test/java/com/back/domain/file/service/S3ServiceTest.java
+++ b/back/src/test/java/com/back/domain/file/video/service/S3ServiceTest.java
@@ -1,4 +1,4 @@
-package com.back.domain.file.service;
+package com.back.domain.file.video.service;
 
 import com.back.domain.file.video.service.S3Service;
 import com.back.global.exception.ServiceException;
diff --git a/back/src/test/java/com/back/domain/file/service/VideoServiceTest.java b/back/src/test/java/com/back/domain/file/video/service/VideoServiceTest.java
similarity index 99%
rename from back/src/test/java/com/back/domain/file/service/VideoServiceTest.java
rename to back/src/test/java/com/back/domain/file/video/service/VideoServiceTest.java
index 7d371177..d0fb8db6 100644
--- a/back/src/test/java/com/back/domain/file/service/VideoServiceTest.java
+++ b/back/src/test/java/com/back/domain/file/video/service/VideoServiceTest.java
@@ -1,4 +1,4 @@
-package com.back.domain.file.service;
+package com.back.domain.file.video.service;
 
 import com.back.domain.file.video.entity.Video;
 import com.back.domain.file.video.repository.VideoRepository;

From 05337e92d42ba56917a86946cd545ff6da7c4b82 Mon Sep 17 00:00:00 2001
From: jiseopshin <wltjq1203@icloud.com>
Date: Tue, 14 Oct 2025 16:11:21 +0900
Subject: [PATCH 5/5] =?UTF-8?q?Test/Chore=20:=20=ED=85=8C=EC=8A=A4?=
 =?UTF-8?q?=ED=8A=B8=20=EC=B6=94=EA=B0=80,=20=EC=97=85=EB=A1=9C=EB=93=9C?=
 =?UTF-8?q?=EC=9A=94=EC=B2=AD=20=EB=AA=A8=EB=91=90=20=ED=97=88=EC=9A=A9?=
 =?UTF-8?q?=ED=95=98=EB=8D=98=EB=B6=80=EB=B6=84=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../back/global/security/SecurityConfig.java  |   1 -
 .../video/controller/VideoControllerTest.java | 100 ++++++++++++++++++
 2 files changed, 100 insertions(+), 1 deletion(-)
 create mode 100644 back/src/test/java/com/back/domain/file/video/controller/VideoControllerTest.java

diff --git a/back/src/main/java/com/back/global/security/SecurityConfig.java b/back/src/main/java/com/back/global/security/SecurityConfig.java
index 411af4e9..c404f18e 100644
--- a/back/src/main/java/com/back/global/security/SecurityConfig.java
+++ b/back/src/main/java/com/back/global/security/SecurityConfig.java
@@ -30,7 +30,6 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
                         .requestMatchers("/auth/**").permitAll()
                         .requestMatchers("/actuator/**").permitAll()
                         .requestMatchers("/swagger-ui/**", "/v3/api-docs/**", "/swagger-resources/**").permitAll()
-                        .requestMatchers("/videos/upload").permitAll()
                         .requestMatchers("/ws-chat/**").permitAll()
                         .anyRequest().authenticated()
                 )
diff --git a/back/src/test/java/com/back/domain/file/video/controller/VideoControllerTest.java b/back/src/test/java/com/back/domain/file/video/controller/VideoControllerTest.java
new file mode 100644
index 00000000..d85cad20
--- /dev/null
+++ b/back/src/test/java/com/back/domain/file/video/controller/VideoControllerTest.java
@@ -0,0 +1,100 @@
+package com.back.domain.file.video.controller;
+
+import com.back.domain.file.video.dto.service.PresignedUrlResponse;
+import com.back.domain.file.video.service.FileManager;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.net.URL;
+import java.time.LocalDateTime;
+
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class VideoControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockitoBean
+    private FileManager fileManager;
+
+    @Test
+    @DisplayName("업로드 URL 요청 - 성공")
+    @WithMockUser(roles = "ADMIN")
+    void testGetUploadUrl() throws Exception {
+        URL mockUrl = new URL("https://bucket.s3.amazonaws.com/123e4567-e89b-12d3-a456-426614174000");
+        LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(10);
+
+        Mockito.when(fileManager.getUploadUrl(anyString()))
+                .thenReturn(new PresignedUrlResponse(mockUrl, expiresAt));
+
+        mockMvc.perform(get("/videos/upload")
+                        .param("filename", "test.mp4")
+                        .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.resultCode").value("200"))
+                .andExpect(jsonPath("$.msg").value("업로드용 URL 요청완료"))
+                .andExpect(jsonPath("$.data.url").value(mockUrl.toString()))
+                .andExpect(jsonPath("$.data.uuid").value("123e4567-e89b-12d3-a456-426614174000"));
+    }
+
+    @Test
+    @DisplayName("업로드 URL 요청 - 권한 부족")
+    @WithMockUser(roles = "USER")
+        // ADMIN 아님
+    void testGetUploadUrl_Unauthorized() throws Exception {
+        mockMvc.perform(get("/videos/upload")
+                        .param("filename", "test.mp4")
+                        .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isForbidden()); // 403 권한 부족
+    }
+
+    @Test
+    @DisplayName("업로드 URL 요청 - 파일명에 확장자가 없는 경우")
+    @WithMockUser(roles = "ADMIN")
+    void testGetUploadUrl_NoExtension() throws Exception {
+        Mockito.when(fileManager.getUploadUrl(anyString()))
+                .thenThrow(new com.back.global.exception.ServiceException("400", "지원하지 않는 동영상 파일 형식입니다: testfile"));
+
+        mockMvc.perform(get("/videos/upload")
+                        .param("filename", "testfile")
+                        .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.resultCode").value("400"))
+                .andExpect(jsonPath("$.msg").value("지원하지 않는 동영상 파일 형식입니다: testfile"));
+    }
+
+    @Test
+    @DisplayName("다운로드 URL 요청 - 성공")
+    @WithMockUser
+    void testGetDownloadUrls() throws Exception {
+        URL mockUrl = new URL("https://bucket.s3.amazonaws.com/test.mp4");
+        LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(10);
+
+        Mockito.when(fileManager.getDownloadUrl(anyString(), anyString()))
+                .thenReturn(new PresignedUrlResponse(mockUrl, expiresAt));
+
+        mockMvc.perform(get("/videos/download")
+                        .param("uuid", "123e4567-e89b-12d3-a456-426614174000")
+                        .param("resolution", "1080p")
+                        .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.resultCode").value("200"))
+                .andExpect(jsonPath("$.msg").value("다운로드용 URL 요청완료"))
+                .andExpect(jsonPath("$.data.url").value(mockUrl.toString()));
+    }
+
+}