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@ -37,6 +37,8 @@ import org.apache.hc.core5.http.HttpStatus;
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import org.apache.hc.core5.http.NameValuePair;
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import org.apache.hc.core5.http.io.support.ClassicRequestBuilder;
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import org.apache.hc.core5.http.message.BasicNameValuePair;
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import org.w3c.dom.Document;
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import org.xml.sax.SAXException;
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import javax.servlet.annotation.MultipartConfig;
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import javax.servlet.annotation.WebServlet;
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@ -44,6 +46,10 @@ import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Base64;
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@ -61,6 +67,8 @@ public class LoginHandler extends HttpServlet {
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private static String uiConfigUrl;
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private static String iotCoreUrl;
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private static String kmManagerUrl;
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private static String adminUsername;
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private static String adminPassword;
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
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@ -87,14 +95,14 @@ public class LoginHandler extends HttpServlet {
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LoginCache loginCache = HandlerUtil.getLoginCache(httpSession);
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OAuthAppCacheKey oAuthAppCacheKey = new OAuthAppCacheKey(applicationName, username);
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OAuthApp oAuthApp = loginCache.getOAuthAppCache(oAuthAppCacheKey);
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if (oAuthApp == null) {
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initializeAdminCredentials();
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ArrayList<String> supportedGrantTypes = new ArrayList<>();
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supportedGrantTypes.add(HandlerConstants.PASSWORD_GRANT_TYPE);
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supportedGrantTypes.add(HandlerConstants.REFRESH_TOKEN_GRANT_TYPE);
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ClassicHttpRequest apiRegEndpoint = ClassicRequestBuilder.post(gatewayUrl + HandlerConstants.APP_REG_ENDPOINT)
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.setEntity(HandlerUtil.constructAppRegPayload(tags, applicationName,
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username, password, null, supportedGrantTypes))
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adminUsername, adminPassword, null, supportedGrantTypes))
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.setHeader(org.apache.hc.core5.http.HttpHeaders.CONTENT_TYPE,
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org.apache.hc.core5.http.ContentType.APPLICATION_JSON.toString())
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.setHeader(org.apache.hc.core5.http.HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC + Base64.getEncoder().encodeToString((username + HandlerConstants.COLON + password).getBytes()))
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@ -143,6 +151,10 @@ public class LoginHandler extends HttpServlet {
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log.error("Error occurred while sending the response into the socket. ", e);
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} catch (JsonSyntaxException e) {
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log.error("Error occurred while parsing the response. ", e);
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} catch (ParserConfigurationException e) {
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log.error("Error while creating the document builder. ");
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} catch (SAXException e) {
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log.error("Error while parsing xml file. ", e);
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} catch (LoginException e) {
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log.error("Error occurred while getting token data. ", e);
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}
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@ -251,4 +263,21 @@ public class LoginHandler extends HttpServlet {
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.build();
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return HandlerUtil.execute(tokenEndpoint);
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}
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/**
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* Initialize the admin credential variables
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*
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* @throws ParserConfigurationException - Throws when error occur during initializing the document builder
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* @throws IOException - Throws when error occur during document parsing
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* @throws SAXException - Throws when error occur during document parsing
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*/
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private void initializeAdminCredentials() throws ParserConfigurationException, IOException, SAXException {
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File userMgtConf = new File("repository/conf/user-mgt.xml");
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DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
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Document doc = dBuilder.parse(userMgtConf);
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adminUsername = doc.getElementsByTagName("UserName").item(0).getTextContent();
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adminPassword = doc.getElementsByTagName("Password").item(0).getTextContent();
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}
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}
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