@cloud-copilot/iam-lens/dist/esm/principals.js

Visibility in IAM in and across AWS accounts

import { convertAssumedRoleArnToRoleArn, isAssumedRoleArn, isIamRoleArn, isIamUserArn, splitArnParts } from '@cloud-copilot/iam-utils';
/**
 * Get all the IAM policies for a user, including managed and inline policies, permission boundaries, and group policies.
 *
 * @param collectClient the IAM collect client to use for retrieving policies
 * @param principalArn the ARN of the user to get policies for
 * @returns an object containing the managed policies, inline policies, permission boundary, and group policies
 */
export async function getAllPoliciesForUser(collectClient, principalArn) {
    const accountId = splitArnParts(principalArn).accountId;
    const managedPolicies = await collectClient.getManagedPoliciesForUser(principalArn);
    const inlinePolicies = await collectClient.getInlinePoliciesForUser(principalArn);
    const permissionBoundary = await collectClient.getPermissionsBoundaryForUser(principalArn);
    const groups = await collectClient.getGroupsForUser(principalArn);
    const scps = await collectClient.getScpHierarchyForAccount(accountId);
    const rcps = await collectClient.getRcpHierarchyForAccount(accountId);
    const groupPolicies = [];
    for (const group of groups) {
        const groupManagedPolicies = await collectClient.getManagedPoliciesForGroup(group);
        const groupInlinePolicies = await collectClient.getInlinePoliciesForGroup(group);
        groupPolicies.push({
            group,
            managedPolicies: groupManagedPolicies,
            inlinePolicies: groupInlinePolicies
        });
    }
    return {
        scps,
        rcps,
        managedPolicies,
        inlinePolicies,
        permissionBoundary,
        groupPolicies
    };
}
/**
 * Get all the IAM policies for a role, including managed and inline policies and permission boundaries.
 *
 * @param collectClient the IAM collect client to use for retrieving policies
 * @param principalArn the ARN of the role to get policies for
 * @returns an object containing the managed policies, inline policies, and permission boundary
 */
export async function getAllPoliciesForRole(collectClient, principalArn) {
    const accountId = splitArnParts(principalArn).accountId;
    const managedPolicies = await collectClient.getManagedPoliciesForRole(principalArn);
    const inlinePolicies = await collectClient.getInlinePoliciesForRole(principalArn);
    const permissionBoundary = await collectClient.getPermissionsBoundaryForRole(principalArn);
    const scps = await collectClient.getScpHierarchyForAccount(accountId);
    const rcps = await collectClient.getRcpHierarchyForAccount(accountId);
    return {
        scps,
        rcps,
        managedPolicies,
        inlinePolicies,
        permissionBoundary
    };
}
export async function getAllPoliciesForPrincipal(collectClient, principalArn) {
    if (isServicePrincipal(principalArn)) {
        return {
            scps: [],
            rcps: [],
            managedPolicies: [],
            inlinePolicies: [],
            permissionBoundary: undefined,
            groupPolicies: []
        };
    }
    if (isIamUserArn(principalArn)) {
        return getAllPoliciesForUser(collectClient, principalArn);
    }
    else if (isIamRoleArn(principalArn)) {
        return getAllPoliciesForRole(collectClient, principalArn);
    }
    else if (isAssumedRoleArn(principalArn)) {
        const roleArn = convertAssumedRoleArnToRoleArn(principalArn);
        return getAllPoliciesForRole(collectClient, roleArn);
    }
    throw new Error(`Unsupported principal type: ${principalArn}`);
}
export function isArnPrincipal(principal) {
    return principal.startsWith('arn:');
}
export function isServicePrincipal(principal) {
    return !isArnPrincipal(principal) && principal.endsWith('amazonaws.com');
}
export function isServiceLinkedRole(principal) {
    const arnParts = splitArnParts(principal);
    return isArnPrincipal(principal) && !!arnParts.resourcePath?.startsWith('aws-service-role/');
}
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