92 lines
3.1 KiB
JavaScript
92 lines
3.1 KiB
JavaScript
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class NoopAttributesProcessor {
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process(incoming, _context) {
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return incoming;
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}
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}
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class MultiAttributesProcessor {
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_processors;
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constructor(_processors) {
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this._processors = _processors;
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}
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process(incoming, context) {
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let filteredAttributes = incoming;
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for (const processor of this._processors) {
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filteredAttributes = processor.process(filteredAttributes, context);
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}
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return filteredAttributes;
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}
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}
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class AllowListProcessor {
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_allowedAttributeNames;
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constructor(_allowedAttributeNames) {
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this._allowedAttributeNames = _allowedAttributeNames;
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}
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process(incoming, _context) {
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const filteredAttributes = {};
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Object.keys(incoming)
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.filter(attributeName => this._allowedAttributeNames.includes(attributeName))
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.forEach(attributeName => (filteredAttributes[attributeName] = incoming[attributeName]));
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return filteredAttributes;
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}
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}
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class DenyListProcessor {
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_deniedAttributeNames;
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constructor(_deniedAttributeNames) {
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this._deniedAttributeNames = _deniedAttributeNames;
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}
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process(incoming, _context) {
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const filteredAttributes = {};
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Object.keys(incoming)
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.filter(attributeName => !this._deniedAttributeNames.includes(attributeName))
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.forEach(attributeName => (filteredAttributes[attributeName] = incoming[attributeName]));
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return filteredAttributes;
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}
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}
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/**
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* @internal
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*
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* Create an {@link IAttributesProcessor} that acts as a simple pass-through for attributes.
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*/
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export function createNoopAttributesProcessor() {
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return NOOP;
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}
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/**
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* @internal
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*
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* Create an {@link IAttributesProcessor} that applies all processors from the provided list in order.
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*
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* @param processors Processors to apply in order.
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*/
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export function createMultiAttributesProcessor(processors) {
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return new MultiAttributesProcessor(processors);
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}
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/**
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* Create an {@link IAttributesProcessor} that filters by allowed attribute names and drops any names that are not in the
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* allow list.
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*/
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export function createAllowListAttributesProcessor(attributeAllowList) {
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return new AllowListProcessor(attributeAllowList);
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}
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/**
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* Create an {@link IAttributesProcessor} that drops attributes based on the names provided in the deny list
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*/
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export function createDenyListAttributesProcessor(attributeDenyList) {
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return new DenyListProcessor(attributeDenyList);
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}
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const NOOP = new NoopAttributesProcessor();
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//# sourceMappingURL=AttributesProcessor.js.map
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