PDF 다운로드 추가

src/main/java/com/palnet/biz/api/comn/controller/ComnController.java

@@ -0,0 +1,57 @@
+package com.palnet.biz.api.comn.controller;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+@RestController
+@Slf4j
+@RequestMapping("/api/comn")
+@RequiredArgsConstructor
+public class ComnController {
+
+    private final HttpServletResponse response;
+
+    private final String BASE_URL = "/Users/igyeongdo/WokrSpace/files/3-1. 팔_부스디자인.pdf";
+    
+    @GetMapping("/pdf-download")
+    public void pdfDownload(){ 
+
+        try (InputStream inputStream = new FileInputStream(new File(BASE_URL));
+             OutputStream outputStream = response.getOutputStream()) {
+
+            String fileOriName = "3-1. 팔_부스디자인.pdf";
+            fileOriName = URLEncoder.encode(fileOriName, StandardCharsets.UTF_8);
+
+            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
+            response.setCharacterEncoding(StandardCharsets.UTF_8.name());
+            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileOriName + "\"");
+
+            byte[] buffer = new byte[1024];
+            int length;
+
+            while ((length = inputStream.read(buffer)) != -1) {
+                outputStream.write(buffer, 0, length);
+            }
+
+        } catch (IOException e) {
+            // 애플리케이션 요구에 맞게 예외 처리
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/palnet/biz/config/WebSecurityConfig.java

@@ -48,7 +48,8 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
 			"/webjars/**",
 			/* swagger v3 */
 			"/v3/api-docs/**",
-			"/swagger-ui/**"
+			"/swagger-ui/**",
+			"/api/comn/pdf-download" // TODO :: 전시회를 위한 임시 허용 URL
 	};
 	
 	@Autowired