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✨ Add permission predicate bson-request-array-is-subset
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...ty/src/main/java/org/restheart/security/predicates/BsonRequestArrayIsSubsetPredicate.java
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| /*- | ||
| * ========================LICENSE_START================================= | ||
| * restheart-security | ||
| * %% | ||
| * Copyright (C) 2018 - 2023 SoftInstigate | ||
| * %% | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * =========================LICENSE_END================================== | ||
| */ | ||
| package org.restheart.security.predicates; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import com.google.common.collect.Maps; | ||
| import com.google.common.collect.Sets; | ||
| import org.bson.BsonArray; | ||
| import org.bson.BsonDocument; | ||
| import org.restheart.exchange.BsonRequest; | ||
| import org.restheart.exchange.Request; | ||
| import org.restheart.utils.BsonUtils; | ||
| import io.undertow.predicate.Predicate; | ||
| import io.undertow.predicate.PredicateBuilder; | ||
| import io.undertow.server.HttpServerExchange; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * a predicate that resolve to true if the request content is bson and | ||
| * the property 'key' (can use the dot notation) is an array that only contains 'values' | ||
| */ | ||
| public class BsonRequestArrayIsSubsetPredicate implements Predicate { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(BsonRequestArrayContainsPredicate.class); | ||
|
|
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| private final String key; | ||
| private final BsonArray values; | ||
|
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| public BsonRequestArrayIsSubsetPredicate(String key, String[] values) { | ||
| if (key == null || values == null) { | ||
| throw new IllegalArgumentException("bson-request-array-is-subset predicate must specify key and array"); | ||
| } | ||
|
|
||
| this.key = key; | ||
| this.values = new BsonArray(); | ||
|
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| for (var value: values) { | ||
| try { | ||
| this.values.add(BsonUtils.parse(value)); | ||
| } catch(Throwable t) { | ||
| throw new IllegalArgumentException(value + " is not a valid bson value"); | ||
| } | ||
| } | ||
| } | ||
|
|
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| @Override | ||
| public boolean resolve(HttpServerExchange exchange) { | ||
| var _request = Request.of(exchange); | ||
|
|
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| if (_request == null) { | ||
| LOGGER.warn("bson-request-array-is-subset predicate invkoed on null BsonRequest"); | ||
| return false; | ||
| } | ||
|
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| if (_request instanceof BsonRequest bsonRequest) { | ||
| if (bsonRequest.getContent() == null) { | ||
| LOGGER.warn("bson-request-array-is-subset predicate invoked on a BsonRequest with null content"); | ||
| return false; | ||
| } | ||
|
|
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| if (bsonRequest.getContent() instanceof BsonDocument contentDoc) { | ||
| var _values = BsonUtils.get(contentDoc, this.key); | ||
|
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| if (_values.isPresent()) { | ||
| var values = _values.get(); | ||
|
|
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| if (values.isArray()) { | ||
| return this.values.containsAll(values.asArray()); | ||
| } else { | ||
| return false; | ||
| } | ||
| } else { | ||
| return false; | ||
| } | ||
| } else { | ||
| LOGGER.warn("bson-request-array-is-subset predicate invoked on a BsonRequest with content {}, it requires a BsonDocument", bsonRequest.getContent().getClass().getSimpleName()); | ||
| return false; | ||
| } | ||
|
|
||
| } else { | ||
| LOGGER.warn("bson-request-array-is-subset predicate not invoked on a BsonRequest"); | ||
| return false; | ||
| } | ||
| } | ||
|
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| public static class Builder implements PredicateBuilder { | ||
| @Override | ||
| public String name() { | ||
| return "bson-request-array-is-subset"; | ||
| } | ||
|
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| @Override | ||
| public Map<String, Class<?>> parameters() { | ||
| var params = Maps.<String, Class<?>>newHashMap(); | ||
| params.put("key", String.class); | ||
| params.put("values", String[].class); | ||
| return params; | ||
| } | ||
|
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| @Override | ||
| public Set<String> requiredParameters() { | ||
| return Sets.newHashSet("key", "values"); | ||
| } | ||
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| @Override | ||
| public String defaultParameter() { | ||
| return "key"; | ||
| } | ||
|
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| @Override | ||
| public Predicate build(Map<String, Object> config) { | ||
| return new BsonRequestArrayIsSubsetPredicate((String) config.get("key"), (String[]) config.get("values")); | ||
| } | ||
| } | ||
| } |
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