created an api to get metadata

pom.xml

@@ -116,10 +116,6 @@
 			<artifactId>jjwt-jackson</artifactId>
 			<version>0.11.5</version>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
 		<dependency>
 		    <groupId>jakarta.validation</groupId>
 		    <artifactId>jakarta.validation-api</artifactId>
@@ -139,6 +135,37 @@
 		    <artifactId>problem-spring-web</artifactId>
 		    <version>0.23.0</version>
 		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/org.springframework.security/spring-security-saml2-service-provider -->
+		<dependency>
+	        <groupId>org.springframework.security</groupId>
+	        <artifactId>spring-security-saml2-service-provider</artifactId>
+	    </dependency>
+
+		<!-- https://mvnrepository.com/artifact/org.opensaml/opensaml-core -->
+		<dependency>
+		    <groupId>org.opensaml</groupId>
+		    <artifactId>opensaml-core</artifactId>
+		    <version>4.0.1</version>
+		</dependency>
+	
+		
+		<!-- https://mvnrepository.com/artifact/org.opensaml/opensaml-saml-api -->
+		<dependency>
+		    <groupId>org.opensaml</groupId>
+		    <artifactId>opensaml-saml-api</artifactId>
+		    <version>4.0.1</version>
+		</dependency>
+		
+			
+		<!-- https://mvnrepository.com/artifact/org.opensaml/opensaml-saml-impl -->
+		<dependency>
+		    <groupId>org.opensaml</groupId>
+		    <artifactId>opensaml-saml-impl</artifactId>
+		    <version>4.0.1</version>
+		</dependency>
+
+
 
 	</dependencies>
 
@@ -152,7 +179,6 @@
 			<plugin>
 				<groupId>org.liquibase</groupId>
 				<artifactId>liquibase-maven-plugin</artifactId>
-				<version>4.20.0</version>
 				<configuration>
 					<propertyFile>src/main/resources/application.properties</propertyFile>
 				</configuration>

src/main/java/net/gepafin/tendermanagement/web/rest/api/SamlApi.java

@@ -0,0 +1,30 @@
+package net.gepafin.tendermanagement.web.rest.api;
+
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.ExampleObject;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import jakarta.servlet.http.HttpServletRequest;
+import net.gepafin.tendermanagement.web.rest.api.errors.ErrorConstants;
+
+public interface SamlApi {
+	
+	  
+    @Operation(summary = "Api to get SP metadata",
+            responses = {
+                    @ApiResponse(responseCode = "200", description = "OK"),
+                    @ApiResponse(responseCode = "404", description = "Not Found", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE, examples = {
+                            @ExampleObject(value = ErrorConstants.NOTFOUND_ERROR_EXAMPLE) })),
+                    @ApiResponse(responseCode = "401", description = "Unauthorized", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE, examples = {
+                            @ExampleObject(value = ErrorConstants.UNAUTHORIZED_ERROR_EXAMPLE) })),
+                    @ApiResponse(responseCode = "400", description = "Bad Request", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE, examples = {
+                            @ExampleObject(value = ErrorConstants.BADREQUEST_ERROR_EXAMPLE) })) })
+    @GetMapping(value = "/gw/metadata",
+            produces = { "application/json" })
+    ResponseEntity<String> getMetadata(HttpServletRequest request);
+
+}

src/main/java/net/gepafin/tendermanagement/web/rest/api/impl/SamlApiController.java

@@ -0,0 +1,33 @@
+package net.gepafin.tendermanagement.web.rest.api.impl;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.saml2.provider.service.metadata.OpenSamlMetadataResolver;
+import org.springframework.security.saml2.provider.service.metadata.Saml2MetadataResolver;
+import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistration;
+import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import jakarta.servlet.http.HttpServletRequest;
+import net.gepafin.tendermanagement.web.rest.api.SamlApi;
+
+@RestController
+@RequestMapping("${openapi.gepafin.base-path:/v1/saml}")
+public class SamlApiController implements SamlApi{
+	
+	@Autowired
+	private RelyingPartyRegistrationRepository relyingPartyRegistrationRepository;
+	
+	@Override
+	public ResponseEntity<String> getMetadata(HttpServletRequest request) {
+		Saml2MetadataResolver metadataResolver = new OpenSamlMetadataResolver();
+		RelyingPartyRegistration registration = relyingPartyRegistrationRepository.findByRegistrationId("loginumbria");
+        return ResponseEntity.status(HttpStatus.OK).header("Content-Type", MediaType.APPLICATION_XML_VALUE)
+                .body(metadataResolver.resolve(registration));
+
+	}
+
+}

src/main/resources/application-dev.properties

@@ -5,4 +5,5 @@ spring.datasource.password=vs1pAc9vu07mMcdx93j6WiBS
 spring.datasource.driver-class-name=org.postgresql.Driver
 
 # JPA Configuration
-spring.h2.console.enabled=true
+spring.h2.console.enabled=true
+base-url=https://api-dev-gepafin.memento.credit

src/main/resources/application-local.properties

@@ -5,4 +5,5 @@ spring.datasource.password=root
 spring.datasource.driver-class-name=org.postgresql.Driver
 
 # JPA Configuration
-spring.jpa.show-sql=true
+spring.jpa.show-sql=true
+base-url=http://localhost:8080

src/main/resources/application-testing.properties

@@ -4,4 +4,5 @@ spring.datasource.username=sa
 spring.datasource.password=sa
 
 # JPA Configuration
-spring.h2.console.enabled=true
+spring.h2.console.enabled=true
+base-url=http://localhost:8080