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‎README.md‎

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openmrs-module-smartonfhir
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==========================
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[![Build Status](https://travis-ci.com/openmrs/openmrs-module-smartonfhir.svg?branch=master)](https://travis-ci.com/openmrs/openmrs-module-smartonfhir)
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[![Build Status](https://github.com/openmrs/openmrs-module-smartonfhir/actions/workflows/main.yml/badge.svg)](https://github.com/openmrs/openmrs-module-smartonfhir/actions/workflows/main.yml)
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[![codecov](https://codecov.io/gh/openmrs/openmrs-module-smartonfhir/branch/master/graph/badge.svg)](https://codecov.io/gh/openmrs/openmrs-module-smartonfhir)
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Description

‎omod/pom.xml‎

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<version>${appuiVersion}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.github.ben-manes.caffeine</groupId>
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<artifactId>caffeine</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.openmrs.module</groupId>
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<artifactId>fhir2-omod</artifactId>
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</dependency>
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<dependency>
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<groupId>org.openmrs.module</groupId>
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<artifactId>emrapi-api</artifactId>
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</dependency>
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</dependencies>
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<build>

‎omod/src/main/java/org/openmrs/module/smartonfhir/model/SmartSession.java‎

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
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* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
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*
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* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
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* graphic logo is a trademark of OpenMRS Inc.
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*/
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package org.openmrs.module.smartonfhir.model;
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import lombok.Data;
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@Data
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public class SmartSession {
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private String visitUuid;
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private String patientUuid;
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}

‎omod/src/main/java/org/openmrs/module/smartonfhir/page/controller/FindVisitPageController.java‎

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
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* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
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*
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* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
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* graphic logo is a trademark of OpenMRS Inc.
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*/
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package org.openmrs.module.smartonfhir.page.controller;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.openmrs.Patient;
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import org.openmrs.Visit;
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import org.openmrs.VisitType;
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import org.openmrs.api.VisitService;
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import org.openmrs.api.context.Context;
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import org.openmrs.module.appframework.domain.AppDescriptor;
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import org.openmrs.module.appui.UiSessionContext;
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import org.openmrs.module.coreapps.CoreAppsConstants;
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import org.openmrs.module.coreapps.utils.VisitTypeHelper;
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import org.openmrs.module.emrapi.adt.AdtService;
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import org.openmrs.ui.framework.annotation.SpringBean;
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import org.openmrs.ui.framework.page.PageModel;
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import org.springframework.web.bind.annotation.RequestParam;
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public class FindVisitPageController {
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public String get(UiSessionContext sessionContext, PageModel model, @RequestParam("app") AppDescriptor app,
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@SpringBean AdtService service, @SpringBean("visitService") VisitService visitService,
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@RequestParam("patientId") String patientId, @RequestParam("token") String token,
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UiSessionContext uiSessionContext, @SpringBean("visitTypeHelper") VisitTypeHelper visitTypeHelper)
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throws UnsupportedEncodingException {
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Patient patient = Context.getPatientService().getPatientByUuid(patientId);
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List<Visit> activeVisits = Context.getVisitService().getVisitsByPatient(patient);
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model.addAttribute("visitSummaries", activeVisits);
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model.addAttribute("canViewVisits", Context.hasPrivilege(CoreAppsConstants.PRIVILEGE_PATIENT_VISITS));
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Map<Integer, Object> visitTypesWithAttr = new HashMap<Integer, Object>();
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List<VisitType> allVisitTypes = visitService.getAllVisitTypes();
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for (VisitType type : allVisitTypes) {
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Map<String, Object> typeAttr = visitTypeHelper.getVisitTypeColorAndShortName(type);
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visitTypesWithAttr.put(type.getVisitTypeId(), typeAttr);
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}
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model.addAttribute("visitTypesWithAttr", visitTypesWithAttr);
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String afterSelectedUrl = app.getConfig().get("afterSelectedUrl").getTextValue();
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afterSelectedUrl = afterSelectedUrl.replace("{{patient.uuid}}", patientId).replace("{{token}}",
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URLEncoder.encode(token, StandardCharsets.UTF_8.name()));
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model.addAttribute("afterSelectedUrl", afterSelectedUrl);
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return null;
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}
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}

‎omod/src/main/java/org/openmrs/module/smartonfhir/page/controller/SmartAppsRedirectPageController.java‎

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
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* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
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*
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* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
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* graphic logo is a trademark of OpenMRS Inc.
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*/
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package org.openmrs.module.smartonfhir.page.controller;
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import org.openmrs.module.appframework.domain.AppDescriptor;
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import org.openmrs.ui.framework.page.Redirect;
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import org.springframework.web.bind.annotation.RequestParam;
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public class SmartAppsRedirectPageController {
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public Redirect get(@RequestParam(value = "app") AppDescriptor app,
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@RequestParam(required = false, value = "patientId") String patientId,
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@RequestParam(required = false, value = "visitId") String visitId) {
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String launchUrl = app.getConfig().get("launchUrl").getTextValue();
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String launchType = app.getConfig().get("launchType").getTextValue();
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String launchContext = app.getConfig().get("launchContext").getTextValue();
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String fhirVersion = app.getConfig().get("fhirVersion").getTextValue();
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// For EHR launch
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if (launchType.equals("EHR")) {
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return new Redirect("ms/smartEhrLaunchServlet?launchUrl=" + launchUrl + "&patientId=" + patientId + "&visitId="
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+ visitId + "&launchContext=" + launchContext + "&fhirVersion=" + fhirVersion);
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}
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// For Standalone launch
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if (launchType.equals("standalone")) {
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return new Redirect("ms/smartAppSelectorServlet?launchUrl=" + launchUrl + "&fhirVersion=" + fhirVersion);
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}
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return new Redirect("ms/smartAppSelectorServlet?launchUrl=");
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}
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}

‎omod/src/main/java/org/openmrs/module/smartonfhir/util/FhirBaseAddressStrategy.java‎

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
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* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
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*
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* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
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* graphic logo is a trademark of OpenMRS Inc.
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*/
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package org.openmrs.module.smartonfhir.util;
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import javax.servlet.http.HttpServletRequest;
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import ca.uhn.fhir.rest.server.IServerAddressStrategy;
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import org.openmrs.api.context.Context;
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public class FhirBaseAddressStrategy {
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private static final String DEFAULT_FHIR_VERSION = "R4";
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public String getBaseSmartLaunchAddress(HttpServletRequest request) {
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IServerAddressStrategy iServerAddressStrategy = Context.getRegisteredComponent("openmrsFhirAddressStrategy",
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IServerAddressStrategy.class);
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String baseURL = iServerAddressStrategy.determineServerBase(request.getServletContext(), request);
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String smartAppLaunchURL = request.getParameter("launchUrl");
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if (!(baseURL.contains("R4") || baseURL.contains("R3"))) {
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String fhirVersion = request.getParameter("fhirVersion");
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if (fhirVersion == null) {
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fhirVersion = DEFAULT_FHIR_VERSION;
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}
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baseURL = baseURL + fhirVersion;
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}
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String url = smartAppLaunchURL + "?iss=" + baseURL + "&launch=";
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return url;
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}
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}

‎omod/src/main/java/org/openmrs/module/smartonfhir/util/SmartSecretKeyHolder.java‎

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try (InputStream secretKeyStream = resource.getInputStream()) {
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secretKey = decoder
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.decode(objectMapper.readValue(secretKeyStream, SmartSecretKey.class).getSmartSharedSecretKey());
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return;
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}
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}
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InputStream secretKeyStream = SmartSecretKeyHolder.class.getClassLoader()
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.getResourceAsStream("smart-secret-key.json");
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if (secretKeyStream != null) {
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secretKey = decoder
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.decode(objectMapper.readValue(secretKeyStream, SmartSecretKey.class).getSmartSharedSecretKey());
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return;
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}
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}
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}

‎omod/src/main/java/org/openmrs/module/smartonfhir/util/SmartSessionCache.java‎

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
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* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
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*
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* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
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* graphic logo is a trademark of OpenMRS Inc.
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*/
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package org.openmrs.module.smartonfhir.util;
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import java.util.concurrent.TimeUnit;
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import com.github.benmanes.caffeine.cache.Caffeine;
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import com.github.benmanes.caffeine.cache.LoadingCache;
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import org.openmrs.module.smartonfhir.model.SmartSession;
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public class SmartSessionCache {
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private static LoadingCache<String, SmartSession> cache;
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public SmartSessionCache() {
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if (cache == null) {
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cache = Caffeine.newBuilder().expireAfterWrite(5, TimeUnit.MINUTES).maximumSize(500).recordStats()
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.build(key -> null);
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}
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}
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public boolean put(String key, SmartSession value) {
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cache.put(key, value);
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return Boolean.TRUE;
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}
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public SmartSession get(String key) {
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try {
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return cache.get(key);
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}
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catch (Exception e) {
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return null;
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}
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}
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public boolean clear(String key) {
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cache.invalidate(key);
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return Boolean.TRUE;
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}
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}

‎omod/src/main/java/org/openmrs/module/smartonfhir/web/filter/SmartForwardingFilter.java‎

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return;
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}
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41-
if (request.getRequestURI().endsWith("/smartPatientSelected")) {
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req.getRequestDispatcher("/ms/smartPatientSelected").forward(req, res);
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if (request.getRequestURI().contains("/smartAccessConfirmation")) {
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req.getRequestDispatcher("/ms/smartAccessConfirmation").forward(req, res);
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return;
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}
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if (request.getRequestURI().endsWith("/smartLaunchOptionSelected")) {
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req.getRequestDispatcher("/ms/smartLaunchOptionSelected").forward(req, res);
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return;
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}
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‎omod/src/main/java/org/openmrs/module/smartonfhir/web/filter/SmartSessionLogoutFilter.java‎

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
5+
* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
6+
*
7+
* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
8+
* graphic logo is a trademark of OpenMRS Inc.
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*/
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package org.openmrs.module.smartonfhir.web.filter;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletRequest;
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import java.io.IOException;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClientBuilder;
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import org.keycloak.adapters.KeycloakDeploymentBuilder;
28+
import org.keycloak.common.util.KeycloakUriBuilder;
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import org.openmrs.module.smartonfhir.util.KeycloakConfigHolder;
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@Slf4j
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public class SmartSessionLogoutFilter implements Filter {
33+
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private String logoutUrl = null;
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@Override
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public void init(FilterConfig filterConfig) {
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final KeycloakUriBuilder keycloakUriBuilder = KeycloakDeploymentBuilder
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.build(KeycloakConfigHolder.getKeycloakConfig()).getLogoutUrl();
40+
41+
if (keycloakUriBuilder != null) {
42+
logoutUrl = keycloakUriBuilder.toTemplate();
43+
} else {
44+
log.error(
45+
"Could not find Keycloak configuration file. Please run keycloak server before openmrs to avoid this error");
46+
}
47+
}
48+
49+
@Override
50+
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
51+
throws IOException, ServletException {
52+
HttpServletRequest request = (HttpServletRequest) servletRequest;
53+
if (request.getRequestURI().contains("/logout")) {
54+
keycloakSessionLogout();
55+
}
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filterChain.doFilter(servletRequest, servletResponse);
58+
}
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60+
@Override
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public void destroy() {
62+
63+
}
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65+
private void keycloakSessionLogout() throws IOException {
66+
CloseableHttpClient closeableHttpClient = HttpClientBuilder.create().disableRedirectHandling().build();
67+
CloseableHttpResponse closeableHttpResponse = null;
68+
try {
69+
if (logoutUrl != null) {
70+
closeableHttpResponse = closeableHttpClient.execute(new HttpGet(logoutUrl));
71+
}
72+
}
73+
finally {
74+
if (closeableHttpResponse != null) {
75+
try {
76+
closeableHttpResponse.close();
77+
}
78+
finally {
79+
closeableHttpClient.close();
80+
}
81+
} else {
82+
closeableHttpClient.close();
83+
}
84+
}
85+
}
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}

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