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[FIX] 백준 닉네임 유효성 검사 고도화 #480 #482

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Merged
engus525 merged 1 commit into from
Oct 15, 2025
Merged

[FIX] 백준 닉네임 유효성 검사 고도화 #480 #482

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4 changes: 3 additions & 1 deletion module-user/src/main/java/org/example/domain/member/service/CreateMemberService.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package org.example.domain.member.service;

import java.util.Optional;
import java.util.regex.Pattern;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.example.api_response.exception.GeneralException;
Expand Down Expand Up @@ -84,7 +85,8 @@ public void validateHandle(ValidateHandleRequest request) {
}

ResponseEntity<String> response = HttpRequest.getRequest(Url.BAEKJOON_USER.getBaekjoonUserUrl(request.handle()), String.class);
if (!response.getStatusCode().is2xxSuccessful()) {
if (!Pattern.compile("^[A-Za-z0-9_]{3,20}$").matcher(request.handle()).matches() ||
!response.getStatusCode().is2xxSuccessful()) {
throw new GeneralException(ErrorStatus.BAD_REQUEST, "백준 닉네임이 유효하지 않습니다.");
}
}
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