[PM-4360] Move auth owned code into auth (#6595)

libs/angular/src/auth/components/set-pin.component.ts

@@ -0,0 +1,58 @@
+import { Directive, OnInit } from "@angular/core";
+
+import { UserVerificationService } from "@bitwarden/common/auth/abstractions/user-verification/user-verification.service.abstraction";
+import { KeySuffixOptions } from "@bitwarden/common/enums/key-suffix-options.enum";
+import { CryptoService } from "@bitwarden/common/platform/abstractions/crypto.service";
+import { StateService } from "@bitwarden/common/platform/abstractions/state.service";
+import { Utils } from "@bitwarden/common/platform/misc/utils";
+
+import { ModalRef } from "../../components/modal/modal.ref";
+
+@Directive()
+export class SetPinComponent implements OnInit {
+  pin = "";
+  showPin = false;
+  masterPassOnRestart = true;
+  showMasterPassOnRestart = true;
+
+  constructor(
+    private modalRef: ModalRef,
+    private cryptoService: CryptoService,
+    private userVerificationService: UserVerificationService,
+    private stateService: StateService
+  ) {}
+
+  async ngOnInit() {
+    this.showMasterPassOnRestart = this.masterPassOnRestart =
+      await this.userVerificationService.hasMasterPassword();
+  }
+
+  toggleVisibility() {
+    this.showPin = !this.showPin;
+  }
+
+  async submit() {
+    if (Utils.isNullOrWhitespace(this.pin)) {
+      this.modalRef.close(false);
+    }
+
+    const pinKey = await this.cryptoService.makePinKey(
+      this.pin,
+      await this.stateService.getEmail(),
+      await this.stateService.getKdfType(),
+      await this.stateService.getKdfConfig()
+    );
+    const userKey = await this.cryptoService.getUserKey();
+    const pinProtectedKey = await this.cryptoService.encrypt(userKey.key, pinKey);
+    const encPin = await this.cryptoService.encrypt(this.pin, userKey);
+    await this.stateService.setProtectedPin(encPin.encryptedString);
+    if (this.masterPassOnRestart) {
+      await this.stateService.setPinKeyEncryptedUserKeyEphemeral(pinProtectedKey);
+    } else {
+      await this.stateService.setPinKeyEncryptedUserKey(pinProtectedKey);
+    }
+    await this.cryptoService.clearDeprecatedKeys(KeySuffixOptions.Pin);
+
+    this.modalRef.close(true);
+  }
+}