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@inrupt/solid-client

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import { foaf, acl } from '../constants.mjs'; import { getIriAll } from '../thing/get.mjs'; import { hasResourceAcl, hasFallbackAcl } from './acl.mjs'; import { internal_combineAccessModes, internal_getAclRules, internal_getResourceAclRulesForResource, internal_getAccess, internal_getDefaultAclRulesForResource, internal_setActorAccess } from './acl.internal.mjs'; /** * Copyright 2020 Inrupt Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the * Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns the Access Modes granted to the public in general for a Resource. * * This function does not return Access Modes granted to specific Agents * through other ACL (Access Control List) rules, e.g., agent- or group-specific permissions. * * @param resourceInfo Information about the Resource to which the given Agent may have been granted access. * @returns Access Modes granted to the public in general for the Resource, or `null` if it could not be determined (e.g. because the current user does not have Control Access to a given Resource or its Container). */ function getPublicAccess(resourceInfo) { if (hasResourceAcl(resourceInfo)) { return getPublicResourceAccess(resourceInfo.internal_acl.resourceAcl); } if (hasFallbackAcl(resourceInfo)) { return getPublicDefaultAccess(resourceInfo.internal_acl.fallbackAcl); } return null; } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns the Access Modes granted to the public in general for the Resource * associated with an ACL (Access Control List). * * This function does not return: * - Access Modes granted to specific Agents through other ACL rules, e.g., agent- or group-specific permissions. * - Access Modes to child Resources if the associated Resource is a Container (see [[getPublicDefaultAccess]] instead). * * @param aclDataset The SolidDataset that contains Access Control List rules. * @returns Access Modes granted to the public in general for the Resource associated with the `aclDataset`. */ function getPublicResourceAccess(aclDataset) { const allRules = internal_getAclRules(aclDataset); const resourceRules = internal_getResourceAclRulesForResource(allRules, aclDataset.internal_accessTo); const publicResourceRules = getClassAclRulesForClass(resourceRules, foaf.Agent); const publicAccessModes = publicResourceRules.map(internal_getAccess); return internal_combineAccessModes(publicAccessModes); } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns the Access Modes granted to the public in general for the child Resources * of the Container associated with an ACL (Access Control List). * * This function does not return: * - Access Modes granted to Agents through other ACL rules, e.g., agent- or group-specific permissions. * - Access Modes to the Container Resource itself (see [[getPublicResourceAccess]] instead). * * @param aclDataset The SolidDataset that contains Access Control List rules for a certain Container. * @returns Access Modes granted to the public in general for the children of the Container associated with the given `aclDataset`. */ function getPublicDefaultAccess(aclDataset) { const allRules = internal_getAclRules(aclDataset); const resourceRules = internal_getDefaultAclRulesForResource(allRules, aclDataset.internal_accessTo); const publicResourceRules = getClassAclRulesForClass(resourceRules, foaf.Agent); const publicAccessModes = publicResourceRules.map(internal_getAccess); return internal_combineAccessModes(publicAccessModes); } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Modifies the resource ACL (Access Control List) to set the Access Modes for the public. * Specifically, the function returns a new resource ACL (Access Control List) initialised * with the given resource ACL and new rules for the given public access. * * If rules for public access already exist in the given ACL, in the *returned* ACL, * they are replaced by the new rules. * * This function does not modify: * - Access Modes granted to Agents through other ACL rules, e.g., agent- or group-specific permissions. * - Access Modes to child Resources if the associated Resource is a Container. * - The original ACL. * * @param aclDataset The SolidDataset that contains Access Control List rules. * @param access The Access Modes to grant to the public. * @returns A new resource ACL initialised with the given `aclDataset` and public `access`. */ function setPublicResourceAccess(aclDataset, access) { return internal_setActorAccess(aclDataset, access, acl.agentClass, "resource", foaf.Agent); } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Modifies the default ACL (Access Control List) to set the public's default Access Modes * to child resources. Specifically, the function returns a new default ACL initialised * with the given default ACL and new rules for the given public access. * * If rules for public access already exist in the given ACL, in the *returned* ACL, * they are replaced by the new rules. * * This function does not modify: * - Access Modes granted to Agents through other ACL rules, e.g., agent- or group-specific permissions. * - Access Modes to Container Resource itself. * - The original ACL. * * @param aclDataset The SolidDataset that contains Access Control List rules. * @param access The Access Modes to grant to the public. * @returns A new default ACL initialised with the given `aclDataset` and public `access`. */ function setPublicDefaultAccess(aclDataset, access) { return internal_setActorAccess(aclDataset, access, acl.agentClass, "default", foaf.Agent); } function getClassAclRulesForClass(aclRules, agentClass) { return aclRules.filter((rule) => appliesToClass(rule, agentClass)); } function appliesToClass(aclRule, agentClass) { return getIriAll(aclRule, acl.agentClass).includes(agentClass); } export { getPublicAccess, getPublicDefaultAccess, getPublicResourceAccess, setPublicDefaultAccess, setPublicResourceAccess };