001/*- 002 * #%L 003 * HAPI FHIR Subscription Server 004 * %% 005 * Copyright (C) 2014 - 2024 Smile CDR, Inc. 006 * %% 007 * Licensed under the Apache License, Version 2.0 (the "License"); 008 * you may not use this file except in compliance with the License. 009 * You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 * #L% 019 */ 020package ca.uhn.fhir.jpa.subscription.submit.interceptor.validator; 021 022import ca.uhn.fhir.i18n.Msg; 023import ca.uhn.fhir.rest.server.exceptions.UnprocessableEntityException; 024import jakarta.annotation.Nonnull; 025 026import java.util.regex.Matcher; 027import java.util.regex.Pattern; 028import java.util.regex.PatternSyntaxException; 029 030public class RegexEndpointUrlValidationStrategy implements RestHookChannelValidator.IEndpointUrlValidationStrategy { 031 032 private final Pattern myEndpointUrlValidationPattern; 033 034 public RegexEndpointUrlValidationStrategy(@Nonnull String theEndpointUrlValidationRegex) { 035 try { 036 myEndpointUrlValidationPattern = Pattern.compile(theEndpointUrlValidationRegex); 037 } catch (PatternSyntaxException e) { 038 throw new IllegalArgumentException( 039 Msg.code(2546) + " invalid synthax for provided regex " + theEndpointUrlValidationRegex); 040 } 041 } 042 043 @Override 044 public void validateEndpointUrl(String theEndpointUrl) { 045 Matcher matcher = myEndpointUrlValidationPattern.matcher(theEndpointUrl); 046 047 if (!matcher.matches()) { 048 throw new UnprocessableEntityException( 049 Msg.code(2545) + "Failed validation for endpoint URL: " + theEndpointUrl); 050 } 051 } 052}