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- import { isPlatformBrowser } from "@angular/common";
- import { Inject, Injectable, Optional, PLATFORM_ID } from "@angular/core";
- import { Subject } from "rxjs";
- import { loader } from "./load-script";
- import { RECAPTCHA_BASE_URL, RECAPTCHA_LANGUAGE, RECAPTCHA_NONCE, RECAPTCHA_V3_SITE_KEY } from "./tokens";
- import * as i0 from "@angular/core";
- /**
- * The main service for working with reCAPTCHA v3 APIs.
- *
- * Use the `execute` method for executing a single action, and
- * `onExecute` observable for listening to all actions at once.
- */
- export class ReCaptchaV3Service {
- constructor(zone, siteKey,
- // eslint-disable-next-line @typescript-eslint/ban-types
- platformId, baseUrl, nonce, language) {
- /** @internal */
- this.onLoadComplete = (grecaptcha) => {
- this.grecaptcha = grecaptcha;
- if (this.actionBacklog && this.actionBacklog.length > 0) {
- this.actionBacklog.forEach(([action, subject]) => this.executeActionWithSubject(action, subject));
- this.actionBacklog = undefined;
- }
- };
- this.zone = zone;
- this.isBrowser = isPlatformBrowser(platformId);
- this.siteKey = siteKey;
- this.nonce = nonce;
- this.language = language;
- this.baseUrl = baseUrl;
- this.init();
- }
- get onExecute() {
- if (!this.onExecuteSubject) {
- this.onExecuteSubject = new Subject();
- this.onExecuteObservable = this.onExecuteSubject.asObservable();
- }
- return this.onExecuteObservable;
- }
- get onExecuteError() {
- if (!this.onExecuteErrorSubject) {
- this.onExecuteErrorSubject = new Subject();
- this.onExecuteErrorObservable = this.onExecuteErrorSubject.asObservable();
- }
- return this.onExecuteErrorObservable;
- }
- /**
- * Executes the provided `action` with reCAPTCHA v3 API.
- * Use the emitted token value for verification purposes on the backend.
- *
- * For more information about reCAPTCHA v3 actions and tokens refer to the official documentation at
- * https://developers.google.com/recaptcha/docs/v3.
- *
- * @param {string} action the action to execute
- * @returns {Observable<string>} an `Observable` that will emit the reCAPTCHA v3 string `token` value whenever ready.
- * The returned `Observable` completes immediately after emitting a value.
- */
- execute(action) {
- const subject = new Subject();
- if (this.isBrowser) {
- if (!this.grecaptcha) {
- if (!this.actionBacklog) {
- this.actionBacklog = [];
- }
- this.actionBacklog.push([action, subject]);
- }
- else {
- this.executeActionWithSubject(action, subject);
- }
- }
- return subject.asObservable();
- }
- /** @internal */
- executeActionWithSubject(action, subject) {
- // eslint-disable-next-line @typescript-eslint/no-explicit-any
- const onError = (error) => {
- this.zone.run(() => {
- subject.error(error);
- if (this.onExecuteErrorSubject) {
- // We don't know any better at this point, unfortunately, so have to resort to `any`
- // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
- this.onExecuteErrorSubject.next({ action, error });
- }
- });
- };
- this.zone.runOutsideAngular(() => {
- try {
- this.grecaptcha.execute(this.siteKey, { action }).then((token) => {
- this.zone.run(() => {
- subject.next(token);
- subject.complete();
- if (this.onExecuteSubject) {
- this.onExecuteSubject.next({ action, token });
- }
- });
- }, onError);
- }
- catch (e) {
- onError(e);
- }
- });
- }
- /** @internal */
- init() {
- if (this.isBrowser) {
- if ("grecaptcha" in window) {
- this.grecaptcha = grecaptcha;
- }
- else {
- const langParam = this.language ? "&hl=" + this.language : "";
- loader.loadScript(this.siteKey, this.onLoadComplete, langParam, this.baseUrl, this.nonce);
- }
- }
- }
- static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.1", ngImport: i0, type: ReCaptchaV3Service, deps: [{ token: i0.NgZone }, { token: RECAPTCHA_V3_SITE_KEY }, { token: PLATFORM_ID }, { token: RECAPTCHA_BASE_URL, optional: true }, { token: RECAPTCHA_NONCE, optional: true }, { token: RECAPTCHA_LANGUAGE, optional: true }], target: i0.ɵɵFactoryTarget.Injectable }); }
- static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.0.1", ngImport: i0, type: ReCaptchaV3Service }); }
- }
- i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.1", ngImport: i0, type: ReCaptchaV3Service, decorators: [{
- type: Injectable
- }], ctorParameters: function () { return [{ type: i0.NgZone }, { type: undefined, decorators: [{
- type: Inject,
- args: [RECAPTCHA_V3_SITE_KEY]
- }] }, { type: Object, decorators: [{
- type: Inject,
- args: [PLATFORM_ID]
- }] }, { type: undefined, decorators: [{
- type: Optional
- }, {
- type: Inject,
- args: [RECAPTCHA_BASE_URL]
- }] }, { type: undefined, decorators: [{
- type: Optional
- }, {
- type: Inject,
- args: [RECAPTCHA_NONCE]
- }] }, { type: undefined, decorators: [{
- type: Optional
- }, {
- type: Inject,
- args: [RECAPTCHA_LANGUAGE]
- }] }]; } });
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{ isPlatformBrowser } from \"@angular/common\";\nimport { Inject, Injectable, NgZone, Optional, PLATFORM_ID } from \"@angular/core\";\nimport { Observable, Subject } from \"rxjs\";\n\nimport { loader } from \"./load-script\";\nimport { RECAPTCHA_BASE_URL, RECAPTCHA_LANGUAGE, RECAPTCHA_NONCE, RECAPTCHA_V3_SITE_KEY } from \"./tokens\";\n\nexport interface OnExecuteData {\n  /**\n   * The name of the action that has been executed.\n   */\n  action: string;\n  /**\n   * The token that reCAPTCHA v3 provided when executing the action.\n   */\n  token: string;\n}\n\nexport interface OnExecuteErrorData {\n  /**\n   * The name of the action that has been executed.\n   */\n  action: string;\n  /**\n   * The error which was encountered\n   */\n  // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  error: any;\n}\n\ntype ActionBacklogEntry = [string, Subject<string>];\n\n/**\n * The main service for working with reCAPTCHA v3 APIs.\n *\n * Use the `execute` method for executing a single action, and\n * `onExecute` observable for listening to all actions at once.\n */\n@Injectable()\nexport class ReCaptchaV3Service {\n  /** @internal */\n  private readonly isBrowser: boolean;\n  /** @internal */\n  private readonly siteKey: string;\n  /** @internal */\n  private readonly zone: NgZone;\n  /** @internal */\n  private actionBacklog: ActionBacklogEntry[] | undefined;\n  /** @internal */\n  private nonce: string;\n  /** @internal */\n  private language?: string;\n  /** @internal */\n  private baseUrl: string;\n  /** @internal */\n  private grecaptcha: ReCaptchaV2.ReCaptcha;\n\n  /** @internal */\n  private onExecuteSubject: Subject<OnExecuteData>;\n  /** @internal */\n  private onExecuteErrorSubject: Subject<OnExecuteErrorData>;\n  /** @internal */\n  private onExecuteObservable: Observable<OnExecuteData>;\n  /** @internal */\n  private onExecuteErrorObservable: Observable<OnExecuteErrorData>;\n\n  constructor(\n    zone: NgZone,\n    @Inject(RECAPTCHA_V3_SITE_KEY) siteKey: string,\n    // eslint-disable-next-line @typescript-eslint/ban-types\n    @Inject(PLATFORM_ID) platformId: Object,\n    @Optional() @Inject(RECAPTCHA_BASE_URL) baseUrl?: string,\n    @Optional() @Inject(RECAPTCHA_NONCE) nonce?: string,\n    @Optional() @Inject(RECAPTCHA_LANGUAGE) language?: string,\n  ) {\n    this.zone = zone;\n    this.isBrowser = isPlatformBrowser(platformId);\n    this.siteKey = siteKey;\n    this.nonce = nonce;\n    this.language = language;\n    this.baseUrl = baseUrl;\n\n    this.init();\n  }\n\n  public get onExecute(): Observable<OnExecuteData> {\n    if (!this.onExecuteSubject) {\n      this.onExecuteSubject = new Subject<OnExecuteData>();\n      this.onExecuteObservable = this.onExecuteSubject.asObservable();\n    }\n\n    return this.onExecuteObservable;\n  }\n\n  public get onExecuteError(): Observable<OnExecuteErrorData> {\n    if (!this.onExecuteErrorSubject) {\n      this.onExecuteErrorSubject = new Subject<OnExecuteErrorData>();\n      this.onExecuteErrorObservable = this.onExecuteErrorSubject.asObservable();\n    }\n\n    return this.onExecuteErrorObservable;\n  }\n\n  /**\n   * Executes the provided `action` with reCAPTCHA v3 API.\n   * Use the emitted token value for verification purposes on the backend.\n   *\n   * For more information about reCAPTCHA v3 actions and tokens refer to the official documentation at\n   * https://developers.google.com/recaptcha/docs/v3.\n   *\n   * @param {string} action the action to execute\n   * @returns {Observable<string>} an `Observable` that will emit the reCAPTCHA v3 string `token` value whenever ready.\n   * The returned `Observable` completes immediately after emitting a value.\n   */\n  public execute(action: string): Observable<string> {\n    const subject = new Subject<string>();\n    if (this.isBrowser) {\n      if (!this.grecaptcha) {\n        if (!this.actionBacklog) {\n          this.actionBacklog = [];\n        }\n\n        this.actionBacklog.push([action, subject]);\n      } else {\n        this.executeActionWithSubject(action, subject);\n      }\n    }\n\n    return subject.asObservable();\n  }\n\n  /** @internal */\n  private executeActionWithSubject(action: string, subject: Subject<string>): void {\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    const onError = (error: any) => {\n      this.zone.run(() => {\n        subject.error(error);\n        if (this.onExecuteErrorSubject) {\n          // We don't know any better at this point, unfortunately, so have to resort to `any`\n          // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment\n          this.onExecuteErrorSubject.next({ action, error });\n        }\n      });\n    };\n\n    this.zone.runOutsideAngular(() => {\n      try {\n        this.grecaptcha.execute(this.siteKey, { action }).then((token: string) => {\n          this.zone.run(() => {\n            subject.next(token);\n            subject.complete();\n            if (this.onExecuteSubject) {\n              this.onExecuteSubject.next({ action, token });\n            }\n          });\n        }, onError);\n      } catch (e) {\n        onError(e);\n      }\n    });\n  }\n\n  /** @internal */\n  private init() {\n    if (this.isBrowser) {\n      if (\"grecaptcha\" in window) {\n        this.grecaptcha = grecaptcha;\n      } else {\n        const langParam = this.language ? \"&hl=\" + this.language : \"\";\n        loader.loadScript(this.siteKey, this.onLoadComplete, langParam, this.baseUrl, this.nonce);\n      }\n    }\n  }\n\n  /** @internal */\n  private onLoadComplete = (grecaptcha: ReCaptchaV2.ReCaptcha) => {\n    this.grecaptcha = grecaptcha;\n    if (this.actionBacklog && this.actionBacklog.length > 0) {\n      this.actionBacklog.forEach(([action, subject]) => this.executeActionWithSubject(action, subject));\n      this.actionBacklog = undefined;\n    }\n  };\n}\n"]}
|