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wip: Create demo endpoint for retrieving private keys
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This commit is contained in:
Magnus Leßmann (@Mark.TwoFive) 2025-06-21 00:41:36 +02:00
parent 8a843dc300
commit 532d37ce81
Signed by: Mark.TwoFive
GPG key ID: 58204042FE30B10C
2 changed files with 48 additions and 0 deletions
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37
src/main/java/de/mlessmann/certassist/web/CertificatesEndpoint.java
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@ -5,20 +5,27 @@ import de.mlessmann.certassist.models.CertificateInfo;
import de.mlessmann.certassist.models.CertificateInfoSubject;
import de.mlessmann.certassist.repositories.CertificateRepository;
import de.mlessmann.certassist.service.CertificateCreationService;
import de.mlessmann.certassist.web.dto.PrivateKey;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import lombok.RequiredArgsConstructor;
import org.springdoc.core.annotations.ParameterObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.http.ResponseEntity;
import org.springframework.util.MimeTypeUtils;
import org.springframework.web.bind.annotation.*;
import java.nio.charset.StandardCharsets;
@RestController
@RequestMapping("/api")
@RequiredArgsConstructor(onConstructor_ = @Autowired)
public class CertificatesEndpoint {
public static final String MIME_PEM_FILE = "application/x-pem-file";
private final CertificateRepository certificateRepository;
private final CertificateCreationService certificateCreationService;
@ -48,4 +55,34 @@ public class CertificatesEndpoint {
return ResponseEntity.ok(createdCertificate);
}
@GetMapping(value = "/certificates/{cert}/privateKey", produces = {
MimeTypeUtils.APPLICATION_JSON_VALUE,
MIME_PEM_FILE
})
@Operation(description = "Fetches the private key corresponding to the provided certificate.",
responses = {
@ApiResponse(responseCode = "200", content = {
@Content(mediaType = MimeTypeUtils.APPLICATION_JSON_VALUE,
schema = @Schema(implementation = PrivateKey.class)),
@Content(mediaType = MIME_PEM_FILE,
schema = @Schema(type = "string", description = "PEM formatted private key content"))
})
})
public ResponseEntity<Object> getCertificatePrivateKey(
@RequestHeader("Accept") String acceptType,
@PathVariable String cert
) {
var requestedCert = certificateRepository.findByFingerprintIs(cert);
if (MimeTypeUtils.APPLICATION_JSON_VALUE.equals(acceptType)) {
String pemContent = new String(requestedCert.getPrivateKey(), StandardCharsets.UTF_8);
var pKey = new PrivateKey(pemContent);
return ResponseEntity.ok(pKey);
} else if (MIME_PEM_FILE.equals(acceptType)) {
String pemContent = new String(requestedCert.getPrivateKey(), StandardCharsets.UTF_8);
return ResponseEntity.ok(pemContent);
} else {
return ResponseEntity.badRequest().build();
}
}
}

11
src/main/java/de/mlessmann/certassist/web/dto/PrivateKey.java Normal file
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@ -0,0 +1,11 @@
package de.mlessmann.certassist.web.dto;
import com.fasterxml.jackson.annotation.JsonProperty;
import io.swagger.v3.oas.annotations.media.Schema;
@Schema(description = "Represents the private key of a certificate.")
public record PrivateKey(
@JsonProperty
@Schema(description = "The content of the private key as it would be in a .pem file.")
String pemContent) {
}