Copy jslib into Directory Connector [TI-6] (#262)

jslib/angular/src/components/user-verification.component.ts

@@ -0,0 +1,96 @@
+import { animate, style, transition, trigger } from "@angular/animations";
+import { Component, OnInit } from "@angular/core";
+import { ControlValueAccessor, FormControl, NG_VALUE_ACCESSOR } from "@angular/forms";
+
+import { KeyConnectorService } from "jslib-common/abstractions/keyConnector.service";
+import { UserVerificationService } from "jslib-common/abstractions/userVerification.service";
+import { VerificationType } from "jslib-common/enums/verificationType";
+import { Verification } from "jslib-common/types/verification";
+
+/**
+ * Used for general-purpose user verification throughout the app.
+ * Collects the user's master password, or if they are using Key Connector, prompts for an OTP via email.
+ * This is exposed to the parent component via the ControlValueAccessor interface (e.g. bind it to a FormControl).
+ * Use UserVerificationService to verify the user's input.
+ */
+@Component({
+  selector: "app-user-verification",
+  templateUrl: "user-verification.component.html",
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      multi: true,
+      useExisting: UserVerificationComponent,
+    },
+  ],
+  animations: [
+    trigger("sent", [
+      transition(":enter", [style({ opacity: 0 }), animate("100ms", style({ opacity: 1 }))]),
+    ]),
+  ],
+})
+export class UserVerificationComponent implements ControlValueAccessor, OnInit {
+  usesKeyConnector = false;
+  disableRequestOTP = false;
+  sentCode = false;
+
+  secret = new FormControl("");
+
+  private onChange: (value: Verification) => void;
+
+  constructor(
+    private keyConnectorService: KeyConnectorService,
+    private userVerificationService: UserVerificationService
+  ) {}
+
+  async ngOnInit() {
+    this.usesKeyConnector = await this.keyConnectorService.getUsesKeyConnector();
+    this.processChanges(this.secret.value);
+
+    this.secret.valueChanges.subscribe((secret: string) => this.processChanges(secret));
+  }
+
+  async requestOTP() {
+    if (this.usesKeyConnector) {
+      this.disableRequestOTP = true;
+      try {
+        await this.userVerificationService.requestOTP();
+        this.sentCode = true;
+      } finally {
+        this.disableRequestOTP = false;
+      }
+    }
+  }
+
+  writeValue(obj: any): void {
+    this.secret.setValue(obj);
+  }
+
+  registerOnChange(fn: any): void {
+    this.onChange = fn;
+  }
+
+  registerOnTouched(fn: any): void {
+    // Not implemented
+  }
+
+  setDisabledState?(isDisabled: boolean): void {
+    this.disableRequestOTP = isDisabled;
+    if (isDisabled) {
+      this.secret.disable();
+    } else {
+      this.secret.enable();
+    }
+  }
+
+  private processChanges(secret: string) {
+    if (this.onChange == null) {
+      return;
+    }
+
+    this.onChange({
+      type: this.usesKeyConnector ? VerificationType.OTP : VerificationType.MasterPassword,
+      secret: secret,
+    });
+  }
+}