iam-floyd
Version:
AWS IAM policy statement generator with fluent interface
112 lines • 11.8 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PolicyStatementWithResources = void 0;
const _3_actions_1 = require("./3-actions");
/**
* Adds "resource" functionality to the Policy Statement
*/
class PolicyStatementWithResources extends _3_actions_1.PolicyStatementWithActions {
constructor() {
super(...arguments);
this.useNotResource = false;
this.floydResources = [];
this.skipAutoResource = false;
this.cdkResourcesApplied = false;
}
/**
* Injects resources into the statement.
*
* Only relevant for the main package. In CDK mode this only calls super.
*/
toJSON() {
// @ts-ignore only available after swapping 1-base
if (typeof this.addResources == 'function') {
this.cdkApplyResources();
return super.toJSON();
}
const mode = this.useNotResource ? 'NotResource' : 'Resource';
const statement = super.toJSON();
const self = this;
this.ensureResource();
if (this.floydResources.length) {
const resources = this.floydResources.filter((elem, pos) => {
return self.floydResources.indexOf(elem) == pos;
});
statement[mode] = resources.length > 1 ? resources : resources[0];
}
return statement;
}
toStatementJson() {
this.ensureResource();
this.cdkApplyResources();
// @ts-ignore only available after swapping 1-base
return super.toStatementJson();
}
freeze() {
// @ts-ignore only available after swapping 1-base
if (!this.frozen) {
this.ensureResource();
this.cdkApplyResources();
}
return super.freeze();
}
cdkApplyResources() {
if (!this.cdkResourcesApplied) {
const mode = this.useNotResource ? 'addNotResources' : 'addResources';
const self = this;
const uniqueResources = this.floydResources.filter((elem, pos) => {
return self.floydResources.indexOf(elem) == pos;
});
// @ts-ignore only available after swapping 1-base
this[mode](...uniqueResources);
this.cdkResourcesApplied = true;
}
}
/**
* Switches the statement to use [`NotResource`](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_notresource.html).
*/
notResource() {
this.useNotResource = true;
return this;
}
/**
* Checks weather any resource was applied to the policy.
*/
hasResources() {
return this.floydResources.length > 0;
}
/**
* Limit statement to specified resources.
*
* To allow all resources, pass `*`
*/
on(...arns) {
this.floydResources.push(...arns);
return this;
}
/**
* Add all resources (`*`) to the statement
*
* This is the default behavior, unless the statement has principals.
*/
onAllResources() {
this.floydResources.push('*');
return this;
}
ensureResource() {
if (this.hasResources())
return;
// @ts-ignore only available after swapping 1-base
if (this.hasResource)
return;
// @ts-ignore only available after swapping 1-base
if (this.hasPrincipal)
return; //assume policies may not have resources
if (this.skipAutoResource)
return;
// a statement requires resources. if none was added, we assume the user wants all resources
this.onAllResources();
}
}
exports.PolicyStatementWithResources = PolicyStatementWithResources;
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In CDK mode this only calls super.\n   */\n  public toJSON(): any {\n    // @ts-ignore only available after swapping 1-base\n    if (typeof this.addResources == 'function') {\n      this.cdkApplyResources();\n      return super.toJSON();\n    }\n    const mode = this.useNotResource ? 'NotResource' : 'Resource';\n    const statement = super.toJSON();\n    const self = this;\n\n    this.ensureResource();\n\n    if (this.floydResources.length) {\n      const resources = this.floydResources.filter((elem, pos) => {\n        return self.floydResources.indexOf(elem) == pos;\n      });\n      statement[mode] = resources.length > 1 ? resources : resources[0];\n    }\n\n    return statement;\n  }\n\n  public toStatementJson(): any {\n    this.ensureResource();\n    this.cdkApplyResources();\n    // @ts-ignore only available after swapping 1-base\n    return super.toStatementJson();\n  }\n\n  public freeze() {\n    // @ts-ignore only available after swapping 1-base\n    if (!this.frozen) {\n      this.ensureResource();\n      this.cdkApplyResources();\n    }\n    return super.freeze();\n  }\n\n  private cdkApplyResources() {\n    if (!this.cdkResourcesApplied) {\n      const mode = this.useNotResource ? 'addNotResources' : 'addResources';\n      const self = this;\n      const uniqueResources = this.floydResources.filter((elem, pos) => {\n        return self.floydResources.indexOf(elem) == pos;\n      });\n      // @ts-ignore only available after swapping 1-base\n      this[mode](...uniqueResources);\n      this.cdkResourcesApplied = true;\n    }\n  }\n\n  /**\n   * Switches the statement to use [`NotResource`](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_notresource.html).\n   */\n  public notResource() {\n    this.useNotResource = true;\n    return this;\n  }\n\n  /**\n   * Checks weather any resource was applied to the policy.\n   */\n  public hasResources(): boolean {\n    return this.floydResources.length > 0;\n  }\n\n  /**\n   * Limit statement to specified resources.\n   *\n   * To allow all resources, pass `*`\n   */\n  public on(...arns: string[]) {\n    this.floydResources.push(...arns);\n    return this;\n  }\n\n  /**\n   * Add all resources (`*`) to the statement\n   *\n   * This is the default behavior, unless the statement has principals.\n   */\n  public onAllResources() {\n    this.floydResources.push('*');\n    return this;\n  }\n\n  private ensureResource() {\n    if (this.hasResources()) return;\n    // @ts-ignore only available after swapping 1-base\n    if (this.hasResource) return;\n    // @ts-ignore only available after swapping 1-base\n    if (this.hasPrincipal) return; //assume policies may not have resources\n    if (this.skipAutoResource) return;\n\n    // a statement requires resources. if none was added, we assume the user wants all resources\n    this.onAllResources();\n  }\n}\n"]}