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Add system information checks to FileBasedSystemAccessControl
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17 changes: 17 additions & 0 deletions
17
presto-docs/src/main/sphinx/security/system-information-access.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| { | ||
| "catalogs": [ | ||
| { | ||
| "allow": true | ||
| } | ||
| ], | ||
| "system_information": [ | ||
| { | ||
| "user": "admin", | ||
| "allow": ["read", "write"] | ||
| }, | ||
| { | ||
| "user": "alice", | ||
| "allow": ["read"] | ||
| } | ||
| ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| { | ||
| "catalogs": [ | ||
| { | ||
| "allow": true | ||
| } | ||
| ], | ||
| "system_information": [ | ||
| { | ||
| "user": "admin", | ||
| "allow": ["read", "write"] | ||
| }, | ||
| { | ||
| "user": "alice", | ||
| "allow": ["read"] | ||
| }, | ||
| { | ||
| "user": "\u0194\u0194\u0194", | ||
| "allow": ["read", "write"] | ||
| } | ||
| ] | ||
| } |
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99 changes: 99 additions & 0 deletions
99
...plugin-toolkit/src/main/java/io/prestosql/plugin/base/security/SystemInformationRule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * 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 | ||
| * | ||
| * http://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. | ||
| */ | ||
| package io.prestosql.plugin.base.security; | ||
|
|
||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.fasterxml.jackson.annotation.JsonValue; | ||
| import com.google.common.collect.ImmutableSet; | ||
|
|
||
| import java.util.Locale; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.Set; | ||
| import java.util.regex.Pattern; | ||
|
|
||
| import static com.google.common.base.MoreObjects.toStringHelper; | ||
| import static com.google.common.collect.ImmutableMap.toImmutableMap; | ||
| import static java.util.Arrays.stream; | ||
| import static java.util.Objects.requireNonNull; | ||
| import static java.util.function.Function.identity; | ||
|
|
||
| public class SystemInformationRule | ||
| { | ||
| private final Set<AccessMode> allow; | ||
| private final Optional<Pattern> userRegex; | ||
|
|
||
| @JsonCreator | ||
| public SystemInformationRule( | ||
| @JsonProperty("allow") Set<AccessMode> allow, | ||
| @JsonProperty("user") Optional<Pattern> userRegex) | ||
| { | ||
| this.allow = ImmutableSet.copyOf(requireNonNull(allow, "allow is null")); | ||
| this.userRegex = requireNonNull(userRegex, "userRegex is null"); | ||
| } | ||
|
|
||
| public Optional<Set<AccessMode>> match(String user) | ||
| { | ||
| if (userRegex.map(regex -> regex.matcher(user).matches()).orElse(true)) { | ||
| return Optional.of(allow); | ||
| } | ||
| return Optional.empty(); | ||
| } | ||
|
|
||
| @Override | ||
| public String toString() | ||
| { | ||
| return toStringHelper(this) | ||
| .omitNullValues() | ||
| .add("allow", allow) | ||
| .add("userRegex", userRegex.orElse(null)) | ||
| .toString(); | ||
| } | ||
|
|
||
| public enum AccessMode | ||
| { | ||
| READ("read"), | ||
| WRITE("write"); | ||
|
|
||
| private static final Map<String, AccessMode> modeByName = stream(values()).collect(toImmutableMap(AccessMode::toString, identity())); | ||
|
|
||
| private final String stringValue; | ||
|
|
||
| AccessMode(String stringValue) | ||
| { | ||
| this.stringValue = requireNonNull(stringValue, "stringValue is null"); | ||
| } | ||
|
|
||
| @JsonValue | ||
| @Override | ||
| public String toString() | ||
| { | ||
| return stringValue; | ||
| } | ||
|
|
||
| @JsonCreator | ||
| public static AccessMode fromJson(Object value) | ||
| { | ||
| if (value instanceof String) { | ||
| AccessMode accessMode = modeByName.get(((String) value).toLowerCase(Locale.US)); | ||
| if (accessMode != null) { | ||
| return accessMode; | ||
| } | ||
| } | ||
|
|
||
| throw new IllegalArgumentException("Unknown " + AccessMode.class.getSimpleName() + ": " + value); | ||
| } | ||
| } | ||
| } |
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