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Automatically clean up multipart temp files

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This commit ensures that any resources created for multipart handling,
obtained via ServerWebExchange.getMultipartData(), are automatically
deleted after handling the completing the response.

Resource for parts obtained via BodyExtractors::toMultipartData and
BodyExtractors::toParts are not cleaned automatically, and
should be cleaned via Part::delete.

Closes gh-27633
This commit is contained in:
Arjen Poutsma
2022-03-29 17:01:34 +02:00
parent f52920142b
commit 192f2becf6
3 changed files with 36 additions and 2 deletions
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9
spring-webflux/src/test/java/org/springframework/web/reactive/function/MultipartIntegrationTests.java
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@@ -25,6 +25,7 @@ import java.util.Map;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Schedulers;
import reactor.test.StepVerifier;
@@ -168,7 +169,9 @@ class MultipartIntegrationTests extends AbstractRouterFunctionIntegrationTests {
assertThat(parts.size()).isEqualTo(2);
assertThat(((FilePart) parts.get("fooPart")).filename()).isEqualTo("foo.txt");
assertThat(((FormFieldPart) parts.get("barPart")).value()).isEqualTo("bar");
return ServerResponse.ok().build();
return Flux.fromIterable(parts.values())
.concatMap(Part::delete)
.then(ServerResponse.ok().build());
}
catch(Exception e) {
return Mono.error(e);
@@ -183,7 +186,9 @@ class MultipartIntegrationTests extends AbstractRouterFunctionIntegrationTests {
assertThat(parts.size()).isEqualTo(2);
assertThat(((FilePart) parts.get(0)).filename()).isEqualTo("foo.txt");
assertThat(((FormFieldPart) parts.get(1)).value()).isEqualTo("bar");
return ServerResponse.ok().build();
return Flux.fromIterable(parts)
.concatMap(Part::delete)
.then(ServerResponse.ok().build());
}
catch(Exception e) {
return Mono.error(e);