본인 소유 검증 누락으로 인한 멤버/디바이스 권한 문제 수정

src/main/java/com/recyclestudy/member/controller/DeviceController.java

@@ -38,8 +38,7 @@ public ResponseEntity<Void> deleteDevice(
             @AuthDevice final DeviceIdentifier identifier,
             @RequestBody final DeviceDeleteRequest request
     ) {
-        final DeviceDeleteInput input = DeviceDeleteInput.from(request.email(), identifier,
-                request.targetDeviceIdentifier());
+        final DeviceDeleteInput input = DeviceDeleteInput.from(identifier, request.targetDeviceIdentifier());
         memberService.deleteDevice(input);
         return ResponseEntity.noContent().build();
     }

src/main/java/com/recyclestudy/member/controller/MemberController.java

@@ -23,7 +23,6 @@
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
@@ -46,12 +45,8 @@ public ResponseEntity<MemberSaveResponse> saveMember(@RequestBody final MemberSa
     }
 
     @GetMapping
-    public ResponseEntity<MemberFindResponse> findAllMemberDevices(
-            @RequestParam(name = "email") final String email,
-            @AuthDevice final DeviceIdentifier identifier
-    ) {
-
-        final MemberFindInput input = MemberFindInput.from(email, identifier);
+    public ResponseEntity<MemberFindResponse> findAllMemberDevices(@AuthDevice final DeviceIdentifier identifier) {
+        final MemberFindInput input = MemberFindInput.from(identifier);
         final MemberFindOutput output = memberService.findAllMemberDevices(input);
         final MemberFindResponse response = MemberFindResponse.from(output);
         return ResponseEntity.ok(response);

src/main/java/com/recyclestudy/member/service/MemberService.java

@@ -53,8 +53,11 @@ public MemberSaveOutput saveDevice(final MemberSaveInput input) {
 
     @Transactional(readOnly = true)
     public MemberFindOutput findAllMemberDevices(final MemberFindInput input) {
-        final List<Device> devices = deviceRepository.findAllByMemberEmail(input.email());
-        return MemberFindOutput.of(input.email(), devices);
+        final Member member = memberRepository.findByIdentifier(input.deviceIdentifier())
+                .orElseThrow(() -> new UnauthorizedException("인증되지 않은 디바이스입니다"));
+
+        final List<Device> devices = deviceRepository.findAllByMemberEmail(member.getEmail());
+        return MemberFindOutput.of(member.getEmail(), devices);
     }
 
     @Transactional(readOnly = true)
@@ -69,11 +72,11 @@ public void authenticateDevice(final Email email, final DeviceIdentifier deviceI
         checkExistedMember(email);
 
         final Device device = deviceRepository.findByIdentifier(deviceIdentifier)
-                .orElseThrow(() -> new NotFoundException("존재하지 않는 디바이스 아이디입니다: %s"
+                .orElseThrow(() -> new NotFoundException("존재하지 않는 디바이스 식별자입니다: %s"
                         .formatted(deviceIdentifier.getValue())));
 
         if (device.isActive()) {
-            throw new BadRequestException("이미 인증되었습니다");
+            throw new BadRequestException("이미 인증된 디바이스입니다");
         }
 
         device.verifyOwner(email);
@@ -83,7 +86,18 @@ public void authenticateDevice(final Email email, final DeviceIdentifier deviceI
 
     @Transactional
     public void deleteDevice(final DeviceDeleteInput input) {
-        deviceRepository.deleteByIdentifier(input.targetDeviceIdentifier());
+        final Member requestMember = memberRepository.findByIdentifier(input.deviceIdentifier())
+                .orElseThrow(() -> new UnauthorizedException("유효하지 않은 디바이스입니다"));
+
+        final Device targetDevice = deviceRepository.findByIdentifier(input.targetDeviceIdentifier())
+                .orElseThrow(() -> new NotFoundException("존재하지 않는 디바이스입니다: %s"
+                        .formatted(input.targetDeviceIdentifier().getValue())));
+
+        if (!targetDevice.getMember().hasEmail(requestMember.getEmail())) {
+            throw new NotFoundException("존재하지 않는 디바이스입니다: %s".formatted(input.targetDeviceIdentifier().getValue()));
+        }
+
+        deviceRepository.delete(targetDevice);
         log.info("[DEVICE_DELETED] 디바이스 삭제 성공: {}", input.targetDeviceIdentifier());
     }
 

src/main/java/com/recyclestudy/member/service/input/DeviceDeleteInput.java

@@ -1,18 +1,14 @@
 package com.recyclestudy.member.service.input;
 
 import com.recyclestudy.member.domain.DeviceIdentifier;
-import com.recyclestudy.member.domain.Email;
 
-public record DeviceDeleteInput(Email email, DeviceIdentifier deviceIdentifier,
-                                DeviceIdentifier targetDeviceIdentifier) {
+public record DeviceDeleteInput(DeviceIdentifier deviceIdentifier, DeviceIdentifier targetDeviceIdentifier) {
 
     public static DeviceDeleteInput from(
-            final String emailValue,
             final DeviceIdentifier identifier,
             final String targetIdentifier
     ) {
-        final Email email = Email.from(emailValue);
         final DeviceIdentifier targetDeviceIdentifier = DeviceIdentifier.from(targetIdentifier);
-        return new DeviceDeleteInput(email, identifier, targetDeviceIdentifier);
+        return new DeviceDeleteInput(identifier, targetDeviceIdentifier);
     }
 }

src/main/java/com/recyclestudy/member/service/input/MemberFindInput.java

@@ -1,12 +1,10 @@
 package com.recyclestudy.member.service.input;
 
 import com.recyclestudy.member.domain.DeviceIdentifier;
-import com.recyclestudy.member.domain.Email;
 
-public record MemberFindInput(Email email, DeviceIdentifier deviceIdentifier) {
+public record MemberFindInput(DeviceIdentifier deviceIdentifier) {
 
-    public static MemberFindInput from(final String emailValue, final DeviceIdentifier identifier) {
-        final Email email = Email.from(emailValue);
-        return new MemberFindInput(email, identifier);
+    public static MemberFindInput from(final DeviceIdentifier identifier) {
+        return new MemberFindInput(identifier);
     }
 }