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@inrupt/solid-client

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import { getIri } from '../thing/get.mjs'; import { acl } from '../constants.mjs'; import { hasResourceAcl, hasFallbackAcl, getResourceAcl, getFallbackAcl } from './acl.mjs'; import { internal_combineAccessModes, internal_getAccessByIri, internal_getAclRules, internal_getResourceAclRulesForResource, internal_getAclRulesForIri, internal_getAccess, internal_setActorAccess, internal_getDefaultAclRulesForResource } 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 an Agent's explicitly-granted Access Modes for the given Resource. * * The function does not return Access Modes granted indirectly to the Agent through other * ACL rules, e.g., public or group-specific permissions. * * @param resourceInfo Information about the Resource to which the given Agent may have been granted access. * @param agent WebID of the Agent for which to retrieve what access it has to the Resource. * @returns Access Modes that have been explicitly granted to the Agent for the given 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 getAgentAccess(resourceInfo, agent) { if (hasResourceAcl(resourceInfo)) { return getAgentResourceAccess(resourceInfo.internal_acl.resourceAcl, agent); } if (hasFallbackAcl(resourceInfo)) { return getAgentDefaultAccess(resourceInfo.internal_acl.fallbackAcl, agent); } return null; } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * Returns all explicitly-granted Access Modes per Agent for the given Resource. * * The function does not return Access Modes granted indirectly to Agents through other * ACL rules, e.g., public or group-specific permissions. * * @param resourceInfo Information about the Resource to which Agents may have been granted access. * @returns Access Modes per Agent that have been explicitly granted for the given 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 getAgentAccessAll(resourceInfo) { if (hasResourceAcl(resourceInfo)) { const resourceAcl = getResourceAcl(resourceInfo); return getAgentResourceAccessAll(resourceAcl); } if (hasFallbackAcl(resourceInfo)) { const fallbackAcl = getFallbackAcl(resourceInfo); return getAgentDefaultAccessAll(fallbackAcl); } return null; } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns the Access Modes explicitly granted to an Agent for the Resource * associated with an ACL (Access ControlList). * * The function does not return: * * - Access Modes granted indirectly to the Agent through other ACL rules, e.g., public or group-specific permissions. * - Access Modes granted to the Agent for the child Resources if the associated Resource is a Container (see [[getAgentDefaultAccess]] instead). * * @param aclDataset The SolidDataset that contains ACL rules. * @param agent WebID of the Agent for which to retrieve what access it has to the Resource. * @returns Access Modes that have been explicitly granted to an Agent for the Resource associated with an ACL SolidDataset. */ function getAgentResourceAccess(aclDataset, agent) { const allRules = internal_getAclRules(aclDataset); const resourceRules = internal_getResourceAclRulesForResource(allRules, aclDataset.internal_accessTo); const agentResourceRules = getAgentAclRulesForAgent(resourceRules, agent); const agentAccessModes = agentResourceRules.map(internal_getAccess); return internal_combineAccessModes(agentAccessModes); } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns the explicitly granted Access Modes per Agent for the Resource associated * with an ACL (Access Control List). * * The function does not return: * * - Access Modes granted indirectly to Agents through other ACL rules, e.g., public or group-specific permissions. * - Access Modes granted to Agents for the child Resources if the associated Resource is a Container. * * @param aclDataset The SolidDataset that contains ACL rules. * @returns Access Modes per Agent that have been explicitly granted for the Resource associated with an ACL SolidDataset. */ function getAgentResourceAccessAll(aclDataset) { const allRules = internal_getAclRules(aclDataset); const resourceRules = internal_getResourceAclRulesForResource(allRules, aclDataset.internal_accessTo); const agentResourceRules = getAgentAclRules(resourceRules); return getAccessByAgent(agentResourceRules); } /** * ```{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 given Agent. * Specifically, the function returns a new resource ACL initialised with the given ACL and * new rules for the Agent's access. * * If rules for Agent's 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 indirectly to Agents through other ACL rules, e.g., public or group-specific permissions. * - Access Modes granted to Agents for the child Resources if the associated Resource is a Container. * - The original ACL. * * @param aclDataset The SolidDataset that contains Access-Control List rules. * @param agent The Agent to grant specific Access Modes. * @param access The Access Modes to grant to the Agent for the Resource. * @returns A new resource ACL initialised with the given `aclDataset` and `access` for the `agent`. */ function setAgentResourceAccess(aclDataset, agent, access) { return internal_setActorAccess(aclDataset, access, acl.agent, "resource", agent); } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns an Agent's Access Modes explicitly granted for the children of the * Container associated with the given ACL (Access Control List). * * The function does not return: * - Access Modes granted indirectly to the Agent through other ACL rules, e.g. public or group-specific permissions. * - Access Modes granted to the Agent for the Container Resource itself (see [[getAgentResourceAccess]] instead). * * @param aclDataset The SolidDataset that contains Access-Control List rules for a certain Container. * @param agent WebID of the Agent for which to retrieve what access it has to the Container's children. * @returns Access Modes that have been explicitly granted to an Agent for the children of the Container associated with the given ACL. */ function getAgentDefaultAccess(aclDataset, agent) { const allRules = internal_getAclRules(aclDataset); const resourceRules = internal_getDefaultAclRulesForResource(allRules, aclDataset.internal_accessTo); const agentResourceRules = getAgentAclRulesForAgent(resourceRules, agent); const agentAccessModes = agentResourceRules.map(internal_getAccess); return internal_combineAccessModes(agentAccessModes); } /** * ```{note} * This function is still experimental and subject to change, even in a non-major release. * ``` * * Returns the Access Modes, per Agent, that have been explicitly granted for the children * of the Container associated with the given ACL (Access Control List). * * The function does not return: * * - Access Modes granted indirectly to the Agents through other ACL rules, e.g. public or group-specific permissions. * - Access Modes granted to the Agents for the Container Resource itself (see [[getAgentResourceAccessAll]] instead). * * @param aclDataset The SolidDataset that contains Access-Control List rules. * @returns Access Modes, per Agent, that have been explicitly granted for the children of the Container associated with the given ACL. */ function getAgentDefaultAccessAll(aclDataset) { const allRules = internal_getAclRules(aclDataset); const resourceRules = internal_getDefaultAclRulesForResource(allRules, aclDataset.internal_accessTo); const agentResourceRules = getAgentAclRules(resourceRules); return getAccessByAgent(agentResourceRules); } /** * ```{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 an Agent's Access Modes for the Container's children. * Specifically, the function returns a new default ACL initialised with the given ACL and * new rules for the Agent's access. * * If rules already exist for the Agent in the given ACL, in the returned ACL, they are replaced by the new rules. * * This function does not modify: * - Access Modes granted indirectly to the Agent through other ACL rules, e.g., public or group-specific permissions. * - Access Modes granted to the Agent for the Container Resource itself. * - The original ACL. * * @param aclDataset The SolidDataset that contains Access-Control List rules. * @param agent The Agent to grant specific Access Modes. * @param access The Access Modes to grant to the Agent. * @returns A new default ACL initialised with the given `aclDataset` and `access` for the `agent`. */ function setAgentDefaultAccess(aclDataset, agent, access) { return internal_setActorAccess(aclDataset, access, acl.agent, "default", agent); } function getAgentAclRulesForAgent(aclRules, agent) { return internal_getAclRulesForIri(aclRules, agent, acl.agent); } function getAgentAclRules(aclRules) { return aclRules.filter(isAgentAclRule); } function isAgentAclRule(aclRule) { return getIri(aclRule, acl.agent) !== null; } function getAccessByAgent(aclRules) { return internal_getAccessByIri(aclRules, acl.agent); } export { getAgentAccess, getAgentAccessAll, getAgentDefaultAccess, getAgentDefaultAccessAll, getAgentResourceAccess, getAgentResourceAccessAll, setAgentDefaultAccess, setAgentResourceAccess };