Add API Support to Parent Organization Admins to Share Users with Sub Organizations

components/org.wso2.carbon.identity.api.server.organization.user.sharing.management/org.wso2.carbon.identity.api.server.organization.user.sharing.management.common/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2025, WSO2 LLC. (http://www.wso2.com).
+  ~
+  ~ 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">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.wso2.carbon.identity.server.api</groupId>
+        <artifactId>org.wso2.carbon.identity.api.server.organization.user.sharing.management</artifactId>
+        <version>1.3.30-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>org.wso2.carbon.identity.api.server.organization.user.sharing.management.common</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.organization.management</groupId>
+            <artifactId>org.wso2.carbon.identity.organization.management.organization.user.sharing</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.organization.management</groupId>
+            <artifactId>org.wso2.carbon.identity.organization.resource.sharing.policy.management</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxrs</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-rs-service-description</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.ws.rs</groupId>
+            <artifactId>javax.ws.rs-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.jaxrs</groupId>
+            <artifactId>jackson-jaxrs-json-provider</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-jaxrs</artifactId>
+            <scope>provided</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.fasterxml.jackson.core</groupId>
+                    <artifactId>jackson-databind</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>com.fasterxml.jackson.core</groupId>
+                    <artifactId>jackson-annotations</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>com.fasterxml.jackson.core</groupId>
+                    <artifactId>jackson-core</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>com.fasterxml.jackson.dataformat</groupId>
+                    <artifactId>jackson-dataformat-yaml</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>javax.ws.rs</groupId>
+                    <artifactId>jsr311-api</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>com.google.guava</groupId>
+                    <artifactId>guava</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+</project>

components/org.wso2.carbon.identity.api.server.organization.user.sharing.management/org.wso2.carbon.identity.api.server.organization.user.sharing.management.common/src/main/java/org/wso2/carbon/identity/api/server/organization/user/sharing/management/common/UserSharingMgtServiceHolder.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2025, WSO2 LLC. (http://www.wso2.com).
+ *
+ * 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.api.server.organization.user.sharing.management.common;
+
+import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.identity.organization.management.organization.user.sharing.UserSharingPolicyHandlerService;
+
+
+/**
+ * Holds the services which the shared user sharing management API component is using.
+ */
+public class UserSharingMgtServiceHolder {
+
+    private UserSharingMgtServiceHolder() {
+
+    }
+
+    private static class UserSharingPolicyHandlerServiceHolder {
+
+        private static final UserSharingPolicyHandlerService SERVICE = (UserSharingPolicyHandlerService)
+                PrivilegedCarbonContext.getThreadLocalCarbonContext()
+                        .getOSGiService(UserSharingPolicyHandlerService.class, null);
+        }
+
+    /**
+     * Get UserSharingPolicyHandlerService service.
+     *
+     * @return UserSharingPolicyHandlerService.
+     */
+    public static UserSharingPolicyHandlerService getUserSharingPolicyHandlerService() {
+
+        return UserSharingMgtServiceHolder.UserSharingPolicyHandlerServiceHolder.SERVICE;
+    }
+}

components/org.wso2.carbon.identity.api.server.organization.user.sharing.management/org.wso2.carbon.identity.api.server.organization.user.sharing.management.common/src/main/java/org/wso2/carbon/identity/api/server/organization/user/sharing/management/common/constants/UserSharingMgtConstants.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2025, WSO2 LLC. (http://www.wso2.com).
+ *
+ * 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.api.server.organization.user.sharing.management.common.constants;
+
+/**
+ * Holds the constants which the user sharing management API component is using.
+ */
+public class UserSharingMgtConstants {
+
+    public static final String ERROR_PREFIX = "USM-";
+    public static final String ERROR_UNSUPPORTED_PARAM = "Unsupported param.";
+
+    public static final String USER_IDS = "userIds";
+
+    public static final String RESPONSE_STATUS_PROCESSING = "Processing";
+    public static final String RESPONSE_DETAIL_USER_SHARE = "User sharing process triggered successfully.";
+    public static final String RESPONSE_DETAIL_USER_UNSHARE = "User unsharing process triggered successfully.";
+
+    /**
+     * Enum for user sharing management related errors.
+     * Error Code - code to identify the error.
+     * Error Message - What went wrong.
+     * Error Description - Why it went wrong.
+     */
+    public enum ErrorMessage {
+
+        // Client errors.
+        INVALID_SELECTIVE_USER_SHARE_REQUEST_BODY("60000",
+                "Invalid selective user share request body.",
+                "The user criteria provided for selective sharing is either null or empty. " +
+                        "Please provide valid criteria."),
+        INVALID_GENERAL_USER_SHARE_REQUEST_BODY("60001",
+                "Invalid general user share request body.",
+                "The user criteria provided for general sharing is either null or empty. " +
+                        "Please provide valid criteria."),
+        INVALID_SELECTIVE_USER_UNSHARE_REQUEST_BODY("60002",
+                "Invalid selective user unshare request body.",
+                "The user criteria provided for selective unsharing is either null or empty. " +
+                        "Please provide valid criteria."),
+        INVALID_GENERAL_USER_UNSHARE_REQUEST_BODY("60003",
+                "Invalid general user unshare request body.",
+                "The user criteria provided for general unsharing is either null or empty. " +
+                        "Please provide valid criteria."),
+        INVALID_UUID_FORMAT("60004",
+                "Invalid UUID format.",
+                "The UUID provided in the request is not in a valid format. " +
+                        "Please provide a valid UUID.");
+
+
+        private final String code;
+        private final String message;
+        private final String description;
+
+        ErrorMessage(String code, String message, String description) {
+
+            this.code = code;
+            this.message = message;
+            this.description = description;
+        }
+
+        public String getCode() {
+
+            return ERROR_PREFIX + code;
+        }
+
+        public String getMessage() {
+
+            return message;
+        }
+
+        public String getDescription() {
+
+            return description;
+        }
+
+        @Override
+        public String toString() {
+
+            return code + " | " + message;
+        }
+    }
+}