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65 changes: 65 additions & 0 deletions
65
...g/src/main/java/org/springframework/security/config/web/server/HttpMessageConverters.java
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|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * Copyright 2002-2024 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.springframework.security.config.web.server; | ||
|
|
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| import org.springframework.http.converter.GenericHttpMessageConverter; | ||
| import org.springframework.http.converter.HttpMessageConverter; | ||
| import org.springframework.http.converter.json.GsonHttpMessageConverter; | ||
| import org.springframework.http.converter.json.JsonbHttpMessageConverter; | ||
| import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; | ||
| import org.springframework.util.ClassUtils; | ||
|
|
||
| /** | ||
| * Utility methods for {@link HttpMessageConverter}'s. | ||
| * | ||
| * @author Joe Grandja | ||
| * @author luamas | ||
| * @since 5.1 | ||
| */ | ||
| final class HttpMessageConverters { | ||
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| private static final boolean jackson2Present; | ||
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| private static final boolean gsonPresent; | ||
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| private static final boolean jsonbPresent; | ||
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| static { | ||
| ClassLoader classLoader = HttpMessageConverters.class.getClassLoader(); | ||
| jackson2Present = ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper", classLoader) | ||
| && ClassUtils.isPresent("com.fasterxml.jackson.core.JsonGenerator", classLoader); | ||
| gsonPresent = ClassUtils.isPresent("com.google.gson.Gson", classLoader); | ||
| jsonbPresent = ClassUtils.isPresent("jakarta.json.bind.Jsonb", classLoader); | ||
| } | ||
|
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| private HttpMessageConverters() { | ||
| } | ||
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| static GenericHttpMessageConverter<Object> getJsonMessageConverter() { | ||
| if (jackson2Present) { | ||
| return new MappingJackson2HttpMessageConverter(); | ||
| } | ||
| if (gsonPresent) { | ||
| return new GsonHttpMessageConverter(); | ||
| } | ||
| if (jsonbPresent) { | ||
| return new JsonbHttpMessageConverter(); | ||
| } | ||
| return null; | ||
| } | ||
|
|
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| } |
95 changes: 95 additions & 0 deletions
95
config/src/main/java/org/springframework/security/config/web/server/OAuth2ErrorEncoder.java
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|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright 2002-2024 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.springframework.security.config.web.server; | ||
|
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| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
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| import org.jetbrains.annotations.NotNull; | ||
| import org.reactivestreams.Publisher; | ||
| import reactor.core.publisher.Flux; | ||
| import reactor.core.publisher.Mono; | ||
|
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| import org.springframework.core.ResolvableType; | ||
| import org.springframework.core.io.buffer.DataBuffer; | ||
| import org.springframework.core.io.buffer.DataBufferFactory; | ||
| import org.springframework.http.HttpHeaders; | ||
| import org.springframework.http.HttpOutputMessage; | ||
| import org.springframework.http.MediaType; | ||
| import org.springframework.http.codec.HttpMessageEncoder; | ||
| import org.springframework.http.converter.HttpMessageConverter; | ||
| import org.springframework.security.oauth2.core.OAuth2Error; | ||
| import org.springframework.util.MimeType; | ||
|
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| class OAuth2ErrorEncoder implements HttpMessageEncoder<OAuth2Error> { | ||
|
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| private final HttpMessageConverter<Object> messageConverter = HttpMessageConverters.getJsonMessageConverter(); | ||
|
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| @NotNull | ||
| @Override | ||
| public List<MediaType> getStreamingMediaTypes() { | ||
| return List.of(); | ||
| } | ||
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| @Override | ||
| public boolean canEncode(ResolvableType elementType, MimeType mimeType) { | ||
| return getEncodableMimeTypes().contains(mimeType); | ||
| } | ||
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| @NotNull | ||
| @Override | ||
| public Flux<DataBuffer> encode(Publisher<? extends OAuth2Error> error, DataBufferFactory bufferFactory, | ||
| ResolvableType elementType, MimeType mimeType, Map<String, Object> hints) { | ||
| return Mono.from(error).flatMap((data) -> { | ||
| ByteArrayHttpOutputMessage bytes = new ByteArrayHttpOutputMessage(); | ||
| try { | ||
| this.messageConverter.write(data, MediaType.APPLICATION_JSON, bytes); | ||
| return Mono.just(bytes.getBody().toByteArray()); | ||
| } | ||
| catch (IOException ex) { | ||
| return Mono.error(ex); | ||
| } | ||
| }).map(bufferFactory::wrap).flux(); | ||
| } | ||
|
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| @NotNull | ||
| @Override | ||
| public List<MimeType> getEncodableMimeTypes() { | ||
| return List.of(MediaType.APPLICATION_JSON); | ||
| } | ||
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| private static class ByteArrayHttpOutputMessage implements HttpOutputMessage { | ||
|
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| private final ByteArrayOutputStream body = new ByteArrayOutputStream(); | ||
|
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| @NotNull | ||
| @Override | ||
| public ByteArrayOutputStream getBody() { | ||
| return this.body; | ||
| } | ||
|
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| @NotNull | ||
| @Override | ||
| public HttpHeaders getHeaders() { | ||
| return new HttpHeaders(); | ||
| } | ||
|
|
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| } | ||
|
|
||
| } |
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