1 | ;
|
2 | var _a, _b;
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3 | Object.defineProperty(exports, "__esModule", { value: true });
|
4 | exports.CompositeDependable = exports.Grant = void 0;
|
5 | const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
|
6 | const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
|
7 | const cdk = require("@aws-cdk/core");
|
8 | const policy_statement_1 = require("./policy-statement");
|
9 | /**
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10 | * Result of a grant() operation
|
11 | *
|
12 | * This class is not instantiable by consumers on purpose, so that they will be
|
13 | * required to call the Grant factory functions.
|
14 | */
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15 | class Grant {
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16 | constructor(props) {
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17 | this.options = props.options;
|
18 | this.principalStatement = props.principalStatement;
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19 | this.resourceStatement = props.resourceStatement;
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20 | cdk.DependableTrait.implement(this, {
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21 | get dependencyRoots() {
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22 | return props.policyDependable ? cdk.DependableTrait.get(props.policyDependable).dependencyRoots : [];
|
23 | },
|
24 | });
|
25 | }
|
26 | /**
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27 | * Grant the given permissions to the principal
|
28 | *
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29 | * The permissions will be added to the principal policy primarily, falling
|
30 | * back to the resource policy if necessary. The permissions must be granted
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31 | * somewhere.
|
32 | *
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33 | * - Trying to grant permissions to a principal that does not admit adding to
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34 | * the principal policy while not providing a resource with a resource policy
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35 | * is an error.
|
36 | * - Trying to grant permissions to an absent principal (possible in the
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37 | * case of imported resources) leads to a warning being added to the
|
38 | * resource construct.
|
39 | */
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40 | static addToPrincipalOrResource(options) {
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41 | try {
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42 | jsiiDeprecationWarnings._aws_cdk_aws_iam_GrantWithResourceOptions(options);
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43 | }
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44 | catch (error) {
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45 | if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
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46 | Error.captureStackTrace(error, this.addToPrincipalOrResource);
|
47 | }
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48 | throw error;
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49 | }
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50 | const result = Grant.addToPrincipal({
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51 | ...options,
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52 | scope: options.resource,
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53 | });
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54 | const resourceAndPrincipalAccountComparison = options.grantee.grantPrincipal.principalAccount
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55 | ? cdk.Token.compareStrings(options.resource.env.account, options.grantee.grantPrincipal.principalAccount)
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56 | : undefined;
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57 | // if both accounts are tokens, we assume here they are the same
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58 | const equalOrBothUnresolved = resourceAndPrincipalAccountComparison === cdk.TokenComparison.SAME
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59 | || resourceAndPrincipalAccountComparison == cdk.TokenComparison.BOTH_UNRESOLVED;
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60 | const sameAccount = resourceAndPrincipalAccountComparison
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61 | ? equalOrBothUnresolved
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62 | // if the principal doesn't have an account (for example, a service principal),
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63 | // we should modify the resource's trust policy
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64 | : false;
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65 | // If we added to the principal AND we're in the same account, then we're done.
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66 | // If not, it's a different account and we must also add a trust policy on the resource.
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67 | if (result.success && sameAccount) {
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68 | return result;
|
69 | }
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70 | const statement = new policy_statement_1.PolicyStatement({
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71 | actions: options.actions,
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72 | resources: (options.resourceSelfArns || options.resourceArns),
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73 | principals: [options.grantee.grantPrincipal],
|
74 | });
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75 | const resourceResult = options.resource.addToResourcePolicy(statement);
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76 | return new Grant({
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77 | resourceStatement: statement,
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78 | options,
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79 | policyDependable: resourceResult.statementAdded ? resourceResult.policyDependable ?? options.resource : undefined,
|
80 | });
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81 | }
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82 | /**
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83 | * Try to grant the given permissions to the given principal
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84 | *
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85 | * Absence of a principal leads to a warning, but failing to add
|
86 | * the permissions to a present principal is not an error.
|
87 | */
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88 | static addToPrincipal(options) {
|
89 | try {
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90 | jsiiDeprecationWarnings._aws_cdk_aws_iam_GrantOnPrincipalOptions(options);
|
91 | }
|
92 | catch (error) {
|
93 | if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
|
94 | Error.captureStackTrace(error, this.addToPrincipal);
|
95 | }
|
96 | throw error;
|
97 | }
|
98 | const statement = new policy_statement_1.PolicyStatement({
|
99 | actions: options.actions,
|
100 | resources: options.resourceArns,
|
101 | });
|
102 | const addedToPrincipal = options.grantee.grantPrincipal.addToPrincipalPolicy(statement);
|
103 | if (!addedToPrincipal.statementAdded) {
|
104 | return new Grant({ principalStatement: undefined, options });
|
105 | }
|
106 | if (!addedToPrincipal.policyDependable) {
|
107 | throw new Error('Contract violation: when Principal returns statementAdded=true, it should return a dependable');
|
108 | }
|
109 | return new Grant({ principalStatement: statement, options, policyDependable: addedToPrincipal.policyDependable });
|
110 | }
|
111 | /**
|
112 | * Add a grant both on the principal and on the resource
|
113 | *
|
114 | * As long as any principal is given, granting on the principal may fail (in
|
115 | * case of a non-identity principal), but granting on the resource will
|
116 | * never fail.
|
117 | *
|
118 | * Statement will be the resource statement.
|
119 | */
|
120 | static addToPrincipalAndResource(options) {
|
121 | try {
|
122 | jsiiDeprecationWarnings._aws_cdk_aws_iam_GrantOnPrincipalAndResourceOptions(options);
|
123 | }
|
124 | catch (error) {
|
125 | if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
|
126 | Error.captureStackTrace(error, this.addToPrincipalAndResource);
|
127 | }
|
128 | throw error;
|
129 | }
|
130 | const result = Grant.addToPrincipal({
|
131 | ...options,
|
132 | scope: options.resource,
|
133 | });
|
134 | const statement = new policy_statement_1.PolicyStatement({
|
135 | actions: options.actions,
|
136 | resources: (options.resourceSelfArns || options.resourceArns),
|
137 | principals: [options.resourcePolicyPrincipal || options.grantee.grantPrincipal],
|
138 | });
|
139 | const resourceResult = options.resource.addToResourcePolicy(statement);
|
140 | const resourceDependable = resourceResult.statementAdded ? resourceResult.policyDependable ?? options.resource : undefined;
|
141 | return new Grant({
|
142 | principalStatement: statement,
|
143 | resourceStatement: result.resourceStatement,
|
144 | options,
|
145 | policyDependable: resourceDependable ? new CompositeDependable(result, resourceDependable) : result,
|
146 | });
|
147 | }
|
148 | /**
|
149 | * Returns a "no-op" `Grant` object which represents a "dropped grant".
|
150 | *
|
151 | * This can be used for e.g. imported resources where you may not be able to modify
|
152 | * the resource's policy or some underlying policy which you don't know about.
|
153 | *
|
154 | * @param grantee The intended grantee
|
155 | * @param _intent The user's intent (will be ignored at the moment)
|
156 | */
|
157 | static drop(grantee, _intent) {
|
158 | try {
|
159 | jsiiDeprecationWarnings._aws_cdk_aws_iam_IGrantable(grantee);
|
160 | }
|
161 | catch (error) {
|
162 | if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
|
163 | Error.captureStackTrace(error, this.drop);
|
164 | }
|
165 | throw error;
|
166 | }
|
167 | return new Grant({
|
168 | options: { grantee, actions: [], resourceArns: [] },
|
169 | });
|
170 | }
|
171 | /**
|
172 | * Whether the grant operation was successful
|
173 | */
|
174 | get success() {
|
175 | return this.principalStatement !== undefined || this.resourceStatement !== undefined;
|
176 | }
|
177 | /**
|
178 | * Throw an error if this grant wasn't successful
|
179 | */
|
180 | assertSuccess() {
|
181 | if (!this.success) {
|
182 | // eslint-disable-next-line max-len
|
183 | throw new Error(`${describeGrant(this.options)} could not be added on either identity or resource policy.`);
|
184 | }
|
185 | }
|
186 | /**
|
187 | * Make sure this grant is applied before the given constructs are deployed
|
188 | *
|
189 | * The same as construct.node.addDependency(grant), but slightly nicer to read.
|
190 | */
|
191 | applyBefore(...constructs) {
|
192 | for (const construct of constructs) {
|
193 | construct.node.addDependency(this);
|
194 | }
|
195 | }
|
196 | }
|
197 | exports.Grant = Grant;
|
198 | _a = JSII_RTTI_SYMBOL_1;
|
199 | Grant[_a] = { fqn: "@aws-cdk/aws-iam.Grant", version: "1.161.0" };
|
200 | function describeGrant(options) {
|
201 | return `Permissions for '${options.grantee}' to call '${options.actions}' on '${options.resourceArns}'`;
|
202 | }
|
203 | /**
|
204 | * Composite dependable
|
205 | *
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206 | * Not as simple as eagerly getting the dependency roots from the
|
207 | * inner dependables, as they may be mutable so we need to defer
|
208 | * the query.
|
209 | */
|
210 | class CompositeDependable {
|
211 | constructor(...dependables) {
|
212 | cdk.DependableTrait.implement(this, {
|
213 | get dependencyRoots() {
|
214 | return Array.prototype.concat.apply([], dependables.map(d => cdk.DependableTrait.get(d).dependencyRoots));
|
215 | },
|
216 | });
|
217 | }
|
218 | }
|
219 | exports.CompositeDependable = CompositeDependable;
|
220 | _b = JSII_RTTI_SYMBOL_1;
|
221 | CompositeDependable[_b] = { fqn: "@aws-cdk/aws-iam.CompositeDependable", version: "1.161.0" };
|
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* as cdk from '@aws-cdk/core';\nimport { PolicyStatement } from './policy-statement';\nimport { IGrantable, IPrincipal } from './principals';\n\n/**\n * Basic options for a grant operation\n *\n */\nexport interface CommonGrantOptions {\n  /**\n   * The principal to grant to\n   *\n   * @default if principal is undefined, no work is done.\n   */\n  readonly grantee: IGrantable;\n\n  /**\n   * The actions to grant\n   */\n  readonly actions: string[];\n\n  /**\n   * The resource ARNs to grant to\n   */\n  readonly resourceArns: string[];\n}\n\n/**\n * Options for a grant operation\n *\n */\nexport interface GrantWithResourceOptions extends CommonGrantOptions {\n  /**\n   * The resource with a resource policy\n   *\n   * The statement will be added to the resource policy if it couldn't be\n   * added to the principal policy.\n   */\n  readonly resource: IResourceWithPolicy;\n\n  /**\n   * When referring to the resource in a resource policy, use this as ARN.\n   *\n   * (Depending on the resource type, this needs to be '*' in a resource policy).\n   *\n   * @default Same as regular resource ARNs\n   */\n  readonly resourceSelfArns?: string[];\n}\n\n/**\n * Options for a grant operation that only applies to principals\n *\n */\nexport interface GrantOnPrincipalOptions extends CommonGrantOptions {\n  /**\n   * Construct to report warnings on in case grant could not be registered\n   *\n   * @default - the construct in which this construct is defined\n   */\n  readonly scope?: cdk.IConstruct;\n}\n\n/**\n * Options for a grant operation to both identity and resource\n *\n */\nexport interface GrantOnPrincipalAndResourceOptions extends CommonGrantOptions {\n  /**\n   * The resource with a resource policy\n   *\n   * The statement will always be added to the resource policy.\n   */\n  readonly resource: IResourceWithPolicy;\n\n  /**\n   * When referring to the resource in a resource policy, use this as ARN.\n   *\n   * (Depending on the resource type, this needs to be '*' in a resource policy).\n   *\n   * @default Same as regular resource ARNs\n   */\n  readonly resourceSelfArns?: string[];\n\n  /**\n   * The principal to use in the statement for the resource policy.\n   *\n   * @default - the principal of the grantee will be used\n   */\n  readonly resourcePolicyPrincipal?: IPrincipal;\n}\n\n/**\n * Result of a grant() operation\n *\n * This class is not instantiable by consumers on purpose, so that they will be\n * required to call the Grant factory functions.\n */\nexport class Grant implements cdk.IDependable {\n  /**\n   * Grant the given permissions to the principal\n   *\n   * The permissions will be added to the principal policy primarily, falling\n   * back to the resource policy if necessary. The permissions must be granted\n   * somewhere.\n   *\n   * - Trying to grant permissions to a principal that does not admit adding to\n   *   the principal policy while not providing a resource with a resource policy\n   *   is an error.\n   * - Trying to grant permissions to an absent principal (possible in the\n   *   case of imported resources) leads to a warning being added to the\n   *   resource construct.\n   */\n  public static addToPrincipalOrResource(options: GrantWithResourceOptions): Grant {\n    const result = Grant.addToPrincipal({\n      ...options,\n      scope: options.resource,\n    });\n\n    const resourceAndPrincipalAccountComparison = options.grantee.grantPrincipal.principalAccount\n      ? cdk.Token.compareStrings(options.resource.env.account, options.grantee.grantPrincipal.principalAccount)\n      : undefined;\n    // if both accounts are tokens, we assume here they are the same\n    const equalOrBothUnresolved = resourceAndPrincipalAccountComparison === cdk.TokenComparison.SAME\n      || resourceAndPrincipalAccountComparison == cdk.TokenComparison.BOTH_UNRESOLVED;\n    const sameAccount: boolean = resourceAndPrincipalAccountComparison\n      ? equalOrBothUnresolved\n      // if the principal doesn't have an account (for example, a service principal),\n      // we should modify the resource's trust policy\n      : false;\n    // If we added to the principal AND we're in the same account, then we're done.\n    // If not, it's a different account and we must also add a trust policy on the resource.\n    if (result.success && sameAccount) {\n      return result;\n    }\n\n    const statement = new PolicyStatement({\n      actions: options.actions,\n      resources: (options.resourceSelfArns || options.resourceArns),\n      principals: [options.grantee!.grantPrincipal],\n    });\n\n    const resourceResult = options.resource.addToResourcePolicy(statement);\n\n    return new Grant({\n      resourceStatement: statement,\n      options,\n      policyDependable: resourceResult.statementAdded ? resourceResult.policyDependable ?? options.resource : undefined,\n    });\n  }\n\n  /**\n   * Try to grant the given permissions to the given principal\n   *\n   * Absence of a principal leads to a warning, but failing to add\n   * the permissions to a present principal is not an error.\n   */\n  public static addToPrincipal(options: GrantOnPrincipalOptions): Grant {\n    const statement = new PolicyStatement({\n      actions: options.actions,\n      resources: options.resourceArns,\n    });\n\n    const addedToPrincipal = options.grantee.grantPrincipal.addToPrincipalPolicy(statement);\n    if (!addedToPrincipal.statementAdded) {\n      return new Grant({ principalStatement: undefined, options });\n    }\n\n    if (!addedToPrincipal.policyDependable) {\n      throw new Error('Contract violation: when Principal returns statementAdded=true, it should return a dependable');\n    }\n\n    return new Grant({ principalStatement: statement, options, policyDependable: addedToPrincipal.policyDependable });\n  }\n\n  /**\n   * Add a grant both on the principal and on the resource\n   *\n   * As long as any principal is given, granting on the principal may fail (in\n   * case of a non-identity principal), but granting on the resource will\n   * never fail.\n   *\n   * Statement will be the resource statement.\n   */\n  public static addToPrincipalAndResource(options: GrantOnPrincipalAndResourceOptions): Grant {\n    const result = Grant.addToPrincipal({\n      ...options,\n      scope: options.resource,\n    });\n\n    const statement = new PolicyStatement({\n      actions: options.actions,\n      resources: (options.resourceSelfArns || options.resourceArns),\n      principals: [options.resourcePolicyPrincipal || options.grantee!.grantPrincipal],\n    });\n\n    const resourceResult = options.resource.addToResourcePolicy(statement);\n    const resourceDependable = resourceResult.statementAdded ? resourceResult.policyDependable ?? options.resource : undefined;\n\n    return new Grant({\n      principalStatement: statement,\n      resourceStatement: result.resourceStatement,\n      options,\n      policyDependable: resourceDependable ? new CompositeDependable(result, resourceDependable) : result,\n    });\n  }\n\n  /**\n   * Returns a \"no-op\" `Grant` object which represents a \"dropped grant\".\n   *\n   * This can be used for e.g. imported resources where you may not be able to modify\n   * the resource's policy or some underlying policy which you don't know about.\n   *\n   * @param grantee The intended grantee\n   * @param _intent The user's intent (will be ignored at the moment)\n   */\n  public static drop(grantee: IGrantable, _intent: string): Grant {\n    return new Grant({\n      options: { grantee, actions: [], resourceArns: [] },\n    });\n  }\n\n  /**\n   * The statement that was added to the principal's policy\n   *\n   * Can be accessed to (e.g.) add additional conditions to the statement.\n   */\n  public readonly principalStatement?: PolicyStatement;\n\n  /**\n   * The statement that was added to the resource policy\n   *\n   * Can be accessed to (e.g.) add additional conditions to the statement.\n   */\n  public readonly resourceStatement?: PolicyStatement;\n\n  /**\n   * The options originally used to set this result\n   *\n   * Private member doubles as a way to make it impossible for an object literal to\n   * be structurally the same as this class.\n   */\n  private readonly options: CommonGrantOptions;\n\n  private constructor(props: GrantProps) {\n    this.options = props.options;\n    this.principalStatement = props.principalStatement;\n    this.resourceStatement = props.resourceStatement;\n\n    cdk.DependableTrait.implement(this, {\n      get dependencyRoots() {\n        return props.policyDependable ? cdk.DependableTrait.get(props.policyDependable).dependencyRoots : [];\n      },\n    });\n  }\n\n  /**\n   * Whether the grant operation was successful\n   */\n  public get success(): boolean {\n    return this.principalStatement !== undefined || this.resourceStatement !== undefined;\n  }\n\n  /**\n   * Throw an error if this grant wasn't successful\n   */\n  public assertSuccess(): void {\n    if (!this.success) {\n      // eslint-disable-next-line max-len\n      throw new Error(`${describeGrant(this.options)} could not be added on either identity or resource policy.`);\n    }\n  }\n\n  /**\n   * Make sure this grant is applied before the given constructs are deployed\n   *\n   * The same as construct.node.addDependency(grant), but slightly nicer to read.\n   */\n  public applyBefore(...constructs: cdk.IConstruct[]) {\n    for (const construct of constructs) {\n      construct.node.addDependency(this);\n    }\n  }\n}\n\nfunction describeGrant(options: CommonGrantOptions) {\n  return `Permissions for '${options.grantee}' to call '${options.actions}' on '${options.resourceArns}'`;\n}\n\ninterface GrantProps {\n  readonly options: CommonGrantOptions;\n  readonly principalStatement?: PolicyStatement;\n  readonly resourceStatement?: PolicyStatement;\n\n  /**\n   * Constructs whose deployment applies the grant\n   *\n   * Used to add dependencies on grants\n   */\n  readonly policyDependable?: cdk.IDependable;\n}\n\n/**\n * A resource with a resource policy that can be added to\n */\nexport interface IResourceWithPolicy extends cdk.IResource {\n  /**\n   * Add a statement to the resource's resource policy\n   */\n  addToResourcePolicy(statement: PolicyStatement): AddToResourcePolicyResult;\n}\n\n/**\n * Result of calling addToResourcePolicy\n */\nexport interface AddToResourcePolicyResult {\n  /**\n   * Whether the statement was added\n   */\n  readonly statementAdded: boolean;\n\n  /**\n   * Dependable which allows depending on the policy change being applied\n   *\n   * @default - If `statementAdded` is true, the resource object itself.\n   * Otherwise, no dependable.\n   */\n  readonly policyDependable?: cdk.IDependable;\n}\n\n/**\n * Composite dependable\n *\n * Not as simple as eagerly getting the dependency roots from the\n * inner dependables, as they may be mutable so we need to defer\n * the query.\n */\nexport class CompositeDependable implements cdk.IDependable {\n  constructor(...dependables: cdk.IDependable[]) {\n    cdk.DependableTrait.implement(this, {\n      get dependencyRoots(): cdk.IConstruct[] {\n        return Array.prototype.concat.apply([], dependables.map(d => cdk.DependableTrait.get(d).dependencyRoots));\n      },\n    });\n  }\n}\n"]} |
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