Introduce registration framework and registration flow management service

components/central-logger/org.wso2.carbon.identity.central.log.mgt/src/main/java/org/wso2/carbon/identity/central/log/mgt/utils/LogConstants.java

@@ -161,4 +161,16 @@ public static class UserManagement {
         public static final String DELETED_PERMISSIONS_FIELD = "DeletedPermissions";
         public static final String DELETED_IDP_GROUPS_FIELD = "DeletedIdpGroups";
     }
+
+    /**
+     * Registration flow management related log constants.
+     */
+    public static class RegistrationFlowManagement {
+
+        public static final String UPDATE_REGISTRATION_FLOW = "update-registration-flow";
+
+        private RegistrationFlowManagement() {
+
+        }
+    }
 }

components/central-logger/org.wso2.carbon.identity.central.log.mgt/src/main/java/org/wso2/carbon/identity/central/log/mgt/utils/LoggerUtils.java

@@ -80,7 +80,7 @@ public enum Initiator {
      * Defines the Targets of the logs.
      */
     public enum Target {
-        User, Role, Group, Application, Action
+        User, Role, Group, Application, Action, Flow
     }
 
     /**

components/registration-framework/org.wso2.carbon.identity.user.registration.mgt/pom.xml

@@ -0,0 +1,165 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2025, WSO2 LLC. (https://www.wso2.com) All Rights Reserved.
+  ~
+  ~ WSO2 LLC. licenses this file to you under the Apache License,
+  ~ Version 2.0 (the "License"); you may not use this file except
+  ~ in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing,
+  ~ software distributed under the License is distributed on an
+  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  ~ KIND, either express or implied. See the License for the
+  ~ specific language governing permissions and limitations
+  ~ under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.wso2.carbon.identity.framework</groupId>
+        <artifactId>identity-framework</artifactId>
+        <version>7.8.27-SNAPSHOT</version>
+        <relativePath>../../../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>org.wso2.carbon.identity.user.registration.mgt</artifactId>
+    <packaging>bundle</packaging>
+    <name>WSO2 Carbon - Identity User Self Registration Flow Manager</name>
+    <description>WSO2 user self registration flow management</description>
+    <url>http://www.wso2.com</url>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testng</groupId>
+            <artifactId>testng</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.ops4j.pax.logging</groupId>
+            <artifactId>pax-logging-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.utils</groupId>
+            <artifactId>org.wso2.carbon.database.utils</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.framework</groupId>
+            <artifactId>org.wso2.carbon.identity.core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-api</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>jcl-over-slf4j</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>log4j-over-slf4j</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.framework</groupId>
+            <artifactId>org.wso2.carbon.identity.central.log.mgt</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>org.wso2.carbon.utils</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.framework</groupId>
+            <artifactId>org.wso2.carbon.identity.testutil</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-checkstyle-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>findbugs-maven-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <extensions>true</extensions>
+                <configuration>
+                    <instructions>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
+                        <Bundle-Name>${project.artifactId}</Bundle-Name>
+                        <Private-Package>
+                            org.wso2.carbon.identity.user.registration.mgt.internal
+                        </Private-Package>
+                        <Import-Package>
+                            javax.xml.parsers; version="${javax.xml.parsers.import.pkg.version}",
+                            org.xml.sax,
+                            org.w3c.dom,
+                            org.osgi.framework; version="${osgi.framework.imp.pkg.version.range}",
+                            org.apache.xerces.util.*; resolution:=optional,
+                            org.apache.commons.logging; version="${import.package.version.commons.logging}",
+                            org.osgi.service.component; version="${osgi.service.component.imp.pkg.version.range}",
+                            org.wso2.carbon.utils.*; version="${carbon.kernel.package.import.version.range}",
+                            org.wso2.carbon.database.utils.jdbc;version="${org.wso2.carbon.database.utils.version.range}",
+                            org.wso2.carbon.database.utils.jdbc.exceptions;version="${org.wso2.carbon.database.utils.version.range}",
+                            org.wso2.carbon.identity.core.util;
+                            version="${carbon.identity.package.import.version.range}",
+                            org.wso2.carbon.identity.central.log.mgt.utils;
+                            version="${carbon.identity.package.import.version.range}",
+                            javax.servlet.http; version="${imp.pkg.version.javax.servlet}"
+                        </Import-Package>
+                        <Export-Package>
+                            !org.wso2.carbon.identity.user.registration.mgt.internal,
+                            org.wso2.carbon.identity.user.registration.mgt.*;
+                            version="${carbon.identity.package.export.version}"
+                        </Export-Package>
+                    </instructions>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

components/registration-framework/org.wso2.carbon.identity.user.registration.mgt/src/main/java/org/wso2/carbon/identity/user/registration/mgt/Constants.java

@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2025, WSO2 LLC. (https://www.wso2.com) All Rights Reserved.
+ *
+ * WSO2 LLC. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.wso2.carbon.identity.user.registration.mgt;
+
+/**
+ * Constants for the self registration flow.
+ */
+public class Constants {
+
+    public static final String COMPLETE = "COMPLETE";
+    public static final String DEFAULT_FLOW_NAME = "defaultFlow";
+
+    private Constants() {
+
+    }
+
+    public enum ErrorMessages {
+
+        // Server errors.
+        ERROR_CODE_ADD_DEFAULT_FLOW("65001", "Error while updating the flow.",
+                                    "Unexpected server error while updating the default flow in tenant, %s"),
+
+        ERROR_CODE_GET_DEFAULT_FLOW("65002", "Error while retrieving the flow.",
+                                    "Unexpected server error while retrieving the default flow from database in " +
+                                            "tenant, %s"),
+
+        ERROR_CODE_SERIALIZE_PAGE_CONTENT("65003", "Error while serializing the page content.",
+                                          "Unexpected server error while serializing the page content for step %s" +
+                                                  " in tenant, %s"),
+        ERROR_CODE_INVALID_NODE("65004", "Node id not found.", "Could not resolve a valid node with id, %s to create " +
+                "a link."),
+        ERROR_CODE_DESERIALIZE_PAGE_CONTENT("65005", "Error while deserializing the page content.",
+                                            "Unexpected server error while deserializing the page content for step %s" +
+                                                    " in tenant, %s"),
+        ERROR_CODE_GET_REG_GRAPH_FAILED("65006", "Error while retrieving the registration graph.",
+                                        "Unexpected server error while retrieving the registration graph for tenant, " +
+                                                "%s"),
+
+        // Client errors.
+        ERROR_CODE_UNSUPPORTED_STEP_TYPE("60001", "Unsupported step type.",
+                                         "The step type, %s is not supported."),
+        ERROR_CODE_STEP_DATA_NOT_FOUND("60002", "Step data not found.",
+                                       "The step data for step, %s is not found."),
+        ERROR_CODE_COMPONENT_DATA_NOT_FOUND("60003", "Component data not found.",
+                                            "The step, %s of type view must have components defined."),
+        ERROR_CODE_INVALID_ACTION_FOR_BUTTON("60004", "Invalid action configuration.",
+                                             "The component, %s of type button must have an action defined."),
+        ERROR_CODE_NEXT_ACTION_NOT_FOUND("60005", "Invalid action configuration.",
+                                         "Next step is not defined for the action in component, %s."),
+        ERROR_CODE_EXECUTOR_INFO_NOT_FOUND("60006", "Invalid action configuration.",
+                                           "Executor data is not defined for the action type EXECUTOR in component, " +
+                                                   "%s."),
+        ERROR_CODE_MULTIPLE_STEP_EXECUTORS("60007", "Multiple executors defined for the step.",
+                                           "Multiple executors are defined for the step, %s."),
+        ERROR_CODE_UNSUPPORTED_ACTION_TYPE("60008", "Unsupported action type.",
+                                           "The action type, %s defined for component %s is not supported."),
+        ERROR_CODE_INVALID_NEXT_STEP("600009", "Invalid next step configuration.", "Cannot resolve a step for the " +
+                "next id, %s."),
+        ERROR_CODE_ACTION_DATA_NOT_FOUND("60010", "Action data not found.",
+                                         "The step, %s of type redirection must have action defined"),
+        ERROR_CODE_INVALID_ACTION_TYPE("60011", "Invalid action type.",
+                                       "The action type, %s is not supported for step, %s of type redirection."),
+        ;
+
+        private static final String ERROR_PREFIX = "RFM";
+        private final String code;
+        private final String message;
+        private final String description;
+
+        ErrorMessages(String code, String message, String description) {
+
+            this.code = ERROR_PREFIX + "-" + code;
+            this.message = message;
+            this.description = description;
+        }
+
+        public String getCode() {
+
+            return code;
+        }
+
+        public String getMessage() {
+
+            return message;
+        }
+
+        public String getDescription() {
+
+            return description;
+        }
+
+        @Override
+        public String toString() {
+
+            return code + ":" + message;
+        }
+    }
+
+    /**
+     * Constants for the node types.
+     */
+    public static class NodeTypes {
+
+        public static final String DECISION = "DECISION";
+        public static final String TASK_EXECUTION = "TASK_EXECUTION";
+        public static final String PROMPT_ONLY = "PROMPT_ONLY";
+
+        private NodeTypes() {
+
+        }
+    }
+
+    /**
+     * Constants for the step types.
+     */
+    public static class StepTypes {
+
+        public static final String VIEW = "VIEW";
+        public static final String REDIRECTION = "REDIRECTION";
+
+        private StepTypes() {
+
+        }
+    }
+
+    public static class ComponentTypes {
+
+        public static final String FORM = "FORM";
+        public static final String BUTTON = "BUTTON";
+
+        private ComponentTypes() {
+
+        }
+    }
+
+    /**
+     * Constants for the action types.
+     */
+    public static class ActionTypes {
+
+        public static final String EXECUTOR = "EXECUTOR";
+        public static final String NEXT = "NEXT";
+
+        private ActionTypes() {
+
+        }
+    }
+
+    /**
+     * Constants for defined executor types.
+     */
+    public static class ExecutorTypes {
+
+        public static final String USER_ONBOARDING = "UserOnboardingExecutor";
+
+        private ExecutorTypes() {
+
+        }
+    }
+}