certificate base authentication

libs/teams/teams-chat-workflow-spring-boot-starter/pom.xml

@@ -77,6 +77,12 @@
 			<artifactId>azure-storage-blob</artifactId>
 			<version>${azure-storage-blob.version}</version>
 		</dependency>
+
+		<dependency>
+			<groupId>com.azure</groupId>
+			<artifactId>azure-identity</artifactId>
+			<version>${azure-identity.version}</version>
+		</dependency>
 
 		<dependency>
 			<groupId>com.azure</groupId>

libs/teams/teams-chat-workflow-spring-boot-starter/src/main/java/org/finos/springbot/teams/conversations/AbstractTeamsConversations.java

@@ -21,7 +21,6 @@
 import com.microsoft.bot.builder.teams.TeamsInfo;
 import com.microsoft.bot.connector.ConnectorClient;
 import com.microsoft.bot.connector.Conversations;
-import com.microsoft.bot.connector.authentication.MicrosoftAppCredentials;
 import com.microsoft.bot.schema.Activity;
 import com.microsoft.bot.schema.ChannelAccount;
 import com.microsoft.bot.schema.ConversationAccount;
@@ -40,11 +39,11 @@
  */
 public abstract class AbstractTeamsConversations implements TeamsConversations {
 
-	private MicrosoftAppCredentials mac;
+	private SpringBotMicrosoftAppCredentials mac;
 	private BotFrameworkAdapter bfa;
 	private ChannelAccount botAccount;
 
-	public AbstractTeamsConversations(BotFrameworkAdapter bfa, MicrosoftAppCredentials mac, ChannelAccount botAccount) {
+	public AbstractTeamsConversations(BotFrameworkAdapter bfa, SpringBotMicrosoftAppCredentials mac, ChannelAccount botAccount) {
 		super();
 		this.mac = mac;
 		this.bfa = bfa;
@@ -145,7 +144,7 @@ protected String getOneToOneConversationId(TeamsUser tu) {
 		try {
 			ConversationParameters cp = new ConversationParameters();
 			cp.setIsGroup(false);
-			cp.setTenantId(mac.getChannelAuthTenant());
+			cp.setTenantId(mac.getTenantId());
 			cp.setMembers(Collections.singletonList(new ChannelAccount(tu.getKey())));
 
 			return getConversations().createConversation(cp).get().getId();
@@ -159,17 +158,17 @@ public ConversationAccount getConversationAccount(TeamsAddressable address) {
 		if (address instanceof TeamsUser) {
 			String chatForUser = getOneToOneConversationId((TeamsUser) address);
 			ConversationAccount ca = new ConversationAccount(chatForUser);
-			ca.setTenantId(mac.getChannelAuthTenant());
+			ca.setTenantId(mac.getTenantId());
 			ca.setConversationType("personal");
 			return ca;
 		} else if (address instanceof TeamsChannel) {
 			ConversationAccount ca = new ConversationAccount(address.getKey());
-			ca.setTenantId(mac.getChannelAuthTenant());
+			ca.setTenantId(mac.getTenantId());
 			ca.setConversationType("channel");
 			return ca;
 		} else if (address instanceof TeamsMultiwayChat) {
 			ConversationAccount ca = new ConversationAccount(address.getKey());
-			ca.setTenantId(mac.getChannelAuthTenant());
+			ca.setTenantId(mac.getTenantId());
 			ca.setConversationType("groupChat");
 			return ca;
 		} else {
@@ -226,7 +225,7 @@ private TurnContext getWorkingTurnContext(TeamsAddressable ta) {
 
 			TurnContext[] holder = new TurnContext[1];
 
-			bfa.continueConversation(mac.getAppId(), createConversationReference(ta), tc -> {
+			bfa.continueConversation(mac.getClientId(), createConversationReference(ta), tc -> {
 				holder[0] = tc;
 				return CompletableFuture.completedFuture(null);
 			}).get();

libs/teams/teams-chat-workflow-spring-boot-starter/src/main/java/org/finos/springbot/teams/conversations/SpringBotMicrosoftAppCredentials.java

@@ -0,0 +1,67 @@
+package org.finos.springbot.teams.conversations;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Base64;
+
+import com.azure.core.credential.TokenRequestContext;
+import com.azure.identity.ClientCertificateCredential;
+import com.azure.identity.ClientCertificateCredentialBuilder;
+
+public class SpringBotMicrosoftAppCredentials {
+
+	private String tenantId;
+	private String clientId;
+	private ClientCertificateCredential credential;
+
+	public SpringBotMicrosoftAppCredentials(String tenantId, String clientId, String certificate,
+			String certificatePassword) {
+		this.tenantId = tenantId;
+		this.clientId = clientId;
+		String pemContent = certificate;
+		// Check for file extension and illegal path characters
+		boolean isFilePath = (certificate != null && (certificate.endsWith(".p12")));
+		try {
+			if (!isFilePath) {
+				byte[] decode = Base64.getDecoder().decode(pemContent);
+
+				java.nio.file.Path tempFile = Files.createTempFile("cert", ".p12");
+				Files.write(tempFile, decode);
+				certificate = tempFile.toAbsolutePath().toString();
+			}
+
+			this.credential = new ClientCertificateCredentialBuilder().tenantId(tenantId).clientId(clientId)
+					.pemCertificate(Files.newInputStream(Paths.get(certificate)))
+					.clientCertificatePassword(certificatePassword).build();
+		} catch (IOException e) {
+			e.printStackTrace();
+			throw new RuntimeException("Failed to create certificate", e);
+		}
+	}
+
+	public String getTenantId() {
+		return tenantId;
+	}
+
+	public String getClientId() {
+		return clientId;
+	}
+
+	public ClientCertificateCredential getCredential() {
+		return credential;
+	}
+
+	public String getToken() {
+		// SOMETHING LIKE THIS
+		return credential.getTokenSync(new TokenRequestContext().addScopes("https://graph.microsoft.com/.default"))
+				.getToken();
+	}
+
+	public static InputStream stringToInputStream(String content) {
+		return new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
+	}
+}

libs/teams/teams-chat-workflow-spring-boot-starter/src/main/java/org/finos/springbot/teams/conversations/StateStorageBasedTeamsConversations.java

@@ -21,7 +21,6 @@
 import org.finos.springbot.workflow.content.Chat;
 
 import com.microsoft.bot.builder.BotFrameworkAdapter;
-import com.microsoft.bot.connector.authentication.MicrosoftAppCredentials;
 import com.microsoft.bot.schema.ChannelAccount;
 
 public class StateStorageBasedTeamsConversations extends AbstractTeamsConversations {
@@ -34,7 +33,7 @@ public class StateStorageBasedTeamsConversations extends AbstractTeamsConversati
 
 	protected final TeamsStateStorage tss;
 
-	public StateStorageBasedTeamsConversations(BotFrameworkAdapter bfa, MicrosoftAppCredentials mac,
+	public StateStorageBasedTeamsConversations(BotFrameworkAdapter bfa, SpringBotMicrosoftAppCredentials mac,
 			ChannelAccount botAccount, TeamsStateStorage tss) {
 		super(bfa, mac, botAccount);
 		this.tss = tss;

libs/teams/teams-chat-workflow-spring-boot-starter/src/main/java/org/finos/springbot/teams/conversations/TeamsConversationsConfig.java

@@ -10,6 +10,7 @@
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 
+import com.azure.identity.ClientCertificateCredential;
 import com.microsoft.bot.builder.BotFrameworkAdapter;
 import com.microsoft.bot.connector.authentication.MicrosoftAppCredentials;
 import com.microsoft.bot.integration.AdapterWithErrorHandler;
@@ -19,24 +20,32 @@
 public class TeamsConversationsConfig extends BotDependencyConfiguration {
 
 	@Bean
-	public MicrosoftAppCredentials microsoftCredentials(@Value("${teams.app.tennantId}") String tennantId) {
+	public SpringBotMicrosoftAppCredentials  microsoftCredentials(@Value("${teams.app.tennantId}") String tennantId) {
 		com.microsoft.bot.integration.Configuration conf = getConfiguration();
-		MicrosoftAppCredentials mac = new MicrosoftAppCredentials(
-				conf.getProperty(MicrosoftAppCredentials.MICROSOFTAPPID),
-				conf.getProperty(MicrosoftAppCredentials.MICROSOFTAPPPASSWORD),
-				tennantId);
-		return mac;
+
+		String clientId = conf.getProperty(MicrosoftAppCredentials.MICROSOFTAPPID);
+
+		SpringBotMicrosoftAppCredentials out = new SpringBotMicrosoftAppCredentials(tennantId,
+				clientId, conf.getProperty("MicrosoftAppIdPemCertificate"), conf.getProperty("MicrosoftAppIdPemCertificatePassword"));
+
+//		MicrosoftAppCredentials mac = new MicrosoftAppCredentials(
+//				conf.getProperty(MicrosoftAppCredentials.MICROSOFTAPPID),
+//				conf.getProperty(MicrosoftAppCredentials.MICROSOFTAPPPASSWORD),
+//				tennantId);
+
+		return out;
 	}
 
+
 	@Bean 
 	@ConditionalOnMissingBean
 	public TeamsConversations teamsConversations(
 			BotFrameworkAdapter bfa, 
-			MicrosoftAppCredentials mac, 
+			SpringBotMicrosoftAppCredentials appCredentials, 
 			@Value("${teams.bot.id:}") String id,
 			TeamsStateStorage teamsState) {
 		ChannelAccount botAccount = new ChannelAccount(id);
-		return new StateStorageBasedTeamsConversations(bfa, mac, botAccount, teamsState);
+		return new StateStorageBasedTeamsConversations(bfa, appCredentials, botAccount, teamsState);
 	}
 
 

pom.xml

@@ -62,7 +62,8 @@
 		<jsoup.version>1.17.2</jsoup.version>
 		<graalvm.version>23.0.3</graalvm.version>
 		<symphony-bdk.version>3.0.0</symphony-bdk.version>
-		<azure-core-http-netty.version>1.16.1</azure-core-http-netty.version>	
+		<azure-core-http-netty.version>1.16.1</azure-core-http-netty.version>
+		<azure-identity.version>1.18.0</azure-identity.version>	
 		<corenlp.version>4.5.7</corenlp.version>
 		<azure-msal4j.version>1.21.0</azure-msal4j.version>
 		<protonpack.version>1.16</protonpack.version>