@iotize/ionic
Version:
Iotize specific building blocks on top of @ionic/angular.
240 lines • 34.5 kB
JavaScript
import { Injectable } from '@angular/core';
import { Tap } from '@iotize/tap';
import { ConnectionState } from '@iotize/tap/protocol/api';
import { defer, Observable } from 'rxjs';
import { catchError, map, shareReplay, switchMap, tap } from 'rxjs/operators';
import { CurrentDeviceService, LONG_RANGE_PROTOCOL_FILTER, } from './current-device.service';
import { debug } from './logger';
import { ProtocolFactoryService } from './protocol-factory.service';
import * as i0 from "@angular/core";
import * as i1 from "./current-device.service";
import * as i2 from "./protocol-factory.service";
const TAG = 'TapConnectionService';
export const TAP_CONNECTION_OPTIONS_PROVIDER = 'TapConnectionOptions';
export var TapRegisterProtocolsMethod;
(function (TapRegisterProtocolsMethod) {
/**
* Only register altertive protocol when connecting with nfc using ndef
*/
TapRegisterProtocolsMethod["NDEF_ONLY"] = "NDEF_ONLY";
/**
* Register alternative protocols using NDEF if present or service if not
*/
TapRegisterProtocolsMethod["NDEF_OR_SERVICE"] = "NDEF_OR_SERVICE";
/**
* Register alternative protocols using service (even if ndef is available)
*/
TapRegisterProtocolsMethod["SERVICE_ONLY"] = "SERVICE_ONLY";
})(TapRegisterProtocolsMethod || (TapRegisterProtocolsMethod = {}));
/**
* User can the replace with its own service
*/
export class TapConnectionService {
constructor(tapService, protocolFactory) {
this.tapService = tapService;
this.protocolFactory = protocolFactory;
this.tapFactory = (protocol) => {
return Tap.fromProtocol(protocol);
};
}
/**
* Create a Tap connection Observable shared stream
*/
connect(meta, config) {
return new Observable((emitter) => {
const subscription = this.createConnectionObservable(meta, config, emitter).subscribe({
error: async (err) => {
console.warn(`Tap connection failed with error`, err);
await this.tapService
.remove(false)
.catch((err) => console.warn('ignored error', err));
emitter.error(err);
},
complete: () => emitter.complete(),
});
return () => {
subscription.unsubscribe();
};
}).pipe(shareReplay(1));
}
createConnectionObservable(protocolMeta, config, emitter) {
let connectObservable = defer(async () => {
const protocol = await this.protocolFactory.create(protocolMeta);
const tap = this.tapFactory(protocol);
emitter.next({
message: `Initialize Tap from ${protocolMeta.type}...`,
tap,
});
return tap;
});
if (config.encryption) {
const encryptionOptions = config.encryption;
connectObservable = connectObservable.pipe(switchMap(async (tap) => {
emitter.next({
message: `Enable encryption...`,
tap,
});
if (encryptionOptions.keys) {
debug(TAG, 'Set encryption keys: ', encryptionOptions.keys);
tap.encryption.setEncryptionKeys(encryptionOptions.keys);
}
if (encryptionOptions.encryption) {
if (!tap.encryption.sessionKey && !tap.isConnected()) {
await tap.connect();
}
tap.encryption.resume();
debug(TAG, 'Enable encryption: ', encryptionOptions.encryption);
}
if (encryptionOptions.frameCounter != undefined) {
tap.encryption.setEncryptedFrameCounter(encryptionOptions.frameCounter);
}
return tap;
}));
}
connectObservable = connectObservable.pipe(switchMap(async (tap) => {
if (this.tapService.hasTap) {
await this.tapService.remove();
}
this.tapService.setTapFromEvent({
protocolMeta: protocolMeta,
tap: tap,
}, {
emit: false, // We emit only at the end of initialisation
});
tap.keepAlive.stop();
return tap;
}));
if (protocolMeta.type === 'nfc') {
if (config.nfcPairing) {
connectObservable = connectObservable.pipe(switchMap(async (tap) => {
emitter.next({
message: `NFC pairing...`,
tap,
});
debug(TAG, 'nfcPairing');
await tap.connect();
await tap.nfcPairing();
return tap;
}));
}
}
if (config.registerProtocolsMethod !== false) {
connectObservable = connectObservable.pipe(switchMap(async (tap) => {
if (!tap.isConnected()) {
emitter.next({
message: `Connecting with ${protocolMeta.type}...`,
tap,
});
await tap.connect();
}
emitter.next({
message: `Initializing protocols...`,
tap,
});
await this.registerAlternativeProtocols(config.registerProtocolsMethod, protocolMeta);
return tap;
}));
}
const switchProtocol = config.switchProtocol;
if (protocolMeta.type === 'nfc') {
connectObservable = connectObservable.pipe(switchMap(async (tap) => {
if (switchProtocol) {
const protocolMeta = this.tapService.availableProtocols.find(LONG_RANGE_PROTOCOL_FILTER);
if (protocolMeta) {
debug(TAG, 'Using long range protocol: ', protocolMeta);
emitter.next({
message: `Switch to ${protocolMeta.type}`,
tap,
});
await this.tapService.useProtocolFromMeta(protocolMeta);
}
}
else {
debug(TAG, 'keep NFC protocol');
const nfcProtocol = tap.protocol;
// for NFC connection
await nfcProtocol._connect().toPromise();
nfcProtocol.setConnectionState(ConnectionState.CONNECTED);
}
return tap;
}));
}
if (config.refreshSessionState) {
connectObservable = connectObservable.pipe(switchMap(async (tap) => {
debug(TAG, 'refreshSessionState');
emitter.next({
message: 'Refreshing user session...',
tap,
});
await tap.auth.refreshSessionState();
return tap;
}));
}
if (config.keepAlive !== false) {
connectObservable = connectObservable.pipe(tap((tap) => {
tap.keepAlive.start();
}));
}
return connectObservable.pipe(map((tap) => {
this.tapService.notifyNewTap();
return tap;
}), catchError((originalError) => {
console.warn(`Tap connection failed with error`, originalError);
return defer(async () => {
await this.tapService
.remove(false)
.catch((err) => console.warn('ignored error', err));
throw originalError;
});
}));
}
async registerAlternativeProtocols(registerAlternativeProtocolMethod, initialProtocolMeta) {
if (registerAlternativeProtocolMethod === false) {
return;
}
registerAlternativeProtocolMethod =
registerAlternativeProtocolMethod ||
TapRegisterProtocolsMethod.NDEF_OR_SERVICE;
debug(TAG, `Register alternative protocols with method: ${registerAlternativeProtocolMethod}`);
const tap = this.tapService.tap;
switch (registerAlternativeProtocolMethod) {
case TapRegisterProtocolsMethod.NDEF_OR_SERVICE:
let registeredProtocolMeta;
if (!tap.isConnected()) {
await tap.connect();
}
if (initialProtocolMeta.type === 'nfc') {
registeredProtocolMeta =
await this.tapService.registerProtocolsFromTag(initialProtocolMeta.info.tag);
}
else {
await this.tapService.registerProtocolsFromTap().catch((err) => {
console.warn('Failed to register protocols from tap', err);
});
}
break;
case TapRegisterProtocolsMethod.SERVICE_ONLY:
if (!tap.isConnected()) {
await tap.connect();
}
await this.tapService.registerProtocolsFromTap().catch((err) => {
console.warn('Failed to register protocols from tap', err);
});
break;
case TapRegisterProtocolsMethod.NDEF_ONLY:
if (initialProtocolMeta.type === 'nfc') {
await this.tapService.registerProtocolsFromTag(initialProtocolMeta.info.tag);
}
break;
}
}
}
/** @nocollapse */ TapConnectionService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: TapConnectionService, deps: [{ token: i1.CurrentDeviceService }, { token: i2.ProtocolFactoryService }], target: i0.ɵɵFactoryTarget.Injectable });
/** @nocollapse */ TapConnectionService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: TapConnectionService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: TapConnectionService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root',
}]
}], ctorParameters: function () { return [{ type: i1.CurrentDeviceService }, { type: i2.ProtocolFactoryService }]; } });
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{ Injectable } from '@angular/core';\nimport { NFCComProtocol } from '@iotize/device-com-nfc.cordova';\nimport { Tap } from '@iotize/tap';\nimport { EncryptionOptions } from '@iotize/tap/auth';\nimport { ComProtocol, ConnectionState } from '@iotize/tap/protocol/api';\nimport { defer, Observable, Subscriber } from 'rxjs';\nimport { catchError, map, shareReplay, switchMap, tap } from 'rxjs/operators';\n\nimport {\n  CurrentDeviceService,\n  LONG_RANGE_PROTOCOL_FILTER,\n} from './current-device.service';\nimport { ProtocolMeta } from './extensions/protocol-info';\nimport { debug } from './logger';\nimport { ProtocolFactoryService } from './protocol-factory.service';\n\nconst TAG = 'TapConnectionService';\n\nexport const TAP_CONNECTION_OPTIONS_PROVIDER = 'TapConnectionOptions';\n\nexport enum TapRegisterProtocolsMethod {\n  /**\n   * Only register altertive protocol when connecting with nfc using ndef\n   */\n  NDEF_ONLY = 'NDEF_ONLY',\n\n  /**\n   * Register alternative protocols using NDEF if present or service if not\n   */\n  NDEF_OR_SERVICE = 'NDEF_OR_SERVICE',\n\n  /**\n   * Register alternative protocols using service (even if ndef is available)\n   */\n  SERVICE_ONLY = 'SERVICE_ONLY',\n}\n\nexport interface TapConnectionOptions {\n  /**\n   * Set to true if you want to automatically connect with a long range protocol when connecting with NFC\n   */\n  switchProtocol?: boolean;\n\n  /**\n   * Configure register alternative protocol method when we are connection to the tap\n   * This will performs additional requests leading to a slower connection\n   */\n  registerProtocolsMethod?: TapRegisterProtocolsMethod | false;\n\n  /**\n   * Set to true to refresh session state after connection\n   */\n  refreshSessionState?: boolean;\n\n  /**\n   * True to perform NFC pairing on connection\n   */\n  nfcPairing?: boolean;\n\n  // /**\n  //  * True to enable encryption while using NFC protocol\n  //  */\n  // nfcEnableEncryption?: boolean\n\n  /**\n   * Encryption keys for tap initialization\n   */\n  encryption?: EncryptionOptions;\n\n  /**\n   * Start keep alive (if true or undefined)\n   * If false, keep alive is not started\n   */\n  keepAlive?: boolean;\n}\n\nexport interface ConnectionEvent {\n  message: string;\n  tap: Tap;\n}\n\n/**\n * User can the replace with its own service\n */\n@Injectable({\n  providedIn: 'root',\n})\nexport class TapConnectionService {\n  private tapFactory: (protocol: ComProtocol) => Tap = (protocol) => {\n    return Tap.fromProtocol(protocol);\n  };\n\n  constructor(\n    private tapService: CurrentDeviceService,\n    private protocolFactory: ProtocolFactoryService\n  ) {}\n\n  /**\n   * Create a Tap connection Observable shared stream\n   */\n  connect(\n    meta: ProtocolMeta,\n    config: TapConnectionOptions\n  ): Observable<ConnectionEvent> {\n    return new Observable((emitter: Subscriber<ConnectionEvent>) => {\n      const subscription = this.createConnectionObservable(\n        meta,\n        config,\n        emitter\n      ).subscribe({\n        error: async (err) => {\n          console.warn(`Tap connection failed with error`, err);\n          await this.tapService\n            .remove(false)\n            .catch((err) => console.warn('ignored error', err));\n          emitter.error(err);\n        },\n        complete: () => emitter.complete(),\n      });\n      return () => {\n        subscription.unsubscribe();\n      };\n    }).pipe(shareReplay(1));\n  }\n\n  createConnectionObservable(\n    protocolMeta: ProtocolMeta,\n    config: TapConnectionOptions,\n    emitter: Subscriber<ConnectionEvent>\n  ) {\n    let connectObservable = defer(async () => {\n      const protocol = await this.protocolFactory.create(protocolMeta);\n      const tap = this.tapFactory(protocol);\n      emitter.next({\n        message: `Initialize Tap from ${protocolMeta.type}...`,\n        tap,\n      });\n      return tap;\n    });\n\n    if (config.encryption) {\n      const encryptionOptions = config.encryption;\n      connectObservable = connectObservable.pipe(\n        switchMap(async (tap) => {\n          emitter.next({\n            message: `Enable encryption...`,\n            tap,\n          });\n          if (encryptionOptions.keys) {\n            debug(TAG, 'Set encryption keys: ', encryptionOptions.keys);\n            tap.encryption.setEncryptionKeys(encryptionOptions.keys);\n          }\n          if (encryptionOptions.encryption) {\n            if (!tap.encryption.sessionKey && !tap.isConnected()) {\n              await tap.connect();\n            }\n            tap.encryption.resume();\n            debug(TAG, 'Enable encryption: ', encryptionOptions.encryption);\n          }\n          if (encryptionOptions.frameCounter != undefined) {\n            tap.encryption.setEncryptedFrameCounter(\n              encryptionOptions.frameCounter\n            );\n          }\n          return tap;\n        })\n      );\n    }\n\n    connectObservable = connectObservable.pipe(\n      switchMap(async (tap) => {\n        if (this.tapService.hasTap) {\n          await this.tapService.remove();\n        }\n        this.tapService.setTapFromEvent(\n          {\n            protocolMeta: protocolMeta,\n            tap: tap,\n          },\n          {\n            emit: false, // We emit only at the end of initialisation\n          }\n        );\n        tap.keepAlive.stop();\n        return tap;\n      })\n    );\n\n    if (protocolMeta.type === 'nfc') {\n      if (config.nfcPairing) {\n        connectObservable = connectObservable.pipe(\n          switchMap(async (tap) => {\n            emitter.next({\n              message: `NFC pairing...`,\n              tap,\n            });\n            debug(TAG, 'nfcPairing');\n            await tap.connect();\n            await tap.nfcPairing();\n            return tap;\n          })\n        );\n      }\n    }\n\n    if (config.registerProtocolsMethod !== false) {\n      connectObservable = connectObservable.pipe(\n        switchMap(async (tap) => {\n          if (!tap.isConnected()) {\n            emitter.next({\n              message: `Connecting with ${protocolMeta.type}...`,\n              tap,\n            });\n            await tap.connect();\n          }\n          emitter.next({\n            message: `Initializing protocols...`,\n            tap,\n          });\n          await this.registerAlternativeProtocols(\n            config.registerProtocolsMethod,\n            protocolMeta\n          );\n          return tap;\n        })\n      );\n    }\n\n    const switchProtocol = config.switchProtocol;\n    if (protocolMeta.type === 'nfc') {\n      connectObservable = connectObservable.pipe(\n        switchMap(async (tap) => {\n          if (switchProtocol) {\n            const protocolMeta = this.tapService.availableProtocols.find(\n              LONG_RANGE_PROTOCOL_FILTER\n            );\n            if (protocolMeta) {\n              debug(TAG, 'Using long range protocol: ', protocolMeta);\n              emitter.next({\n                message: `Switch to ${protocolMeta.type}`,\n                tap,\n              });\n              await this.tapService.useProtocolFromMeta(protocolMeta);\n            }\n          } else {\n            debug(TAG, 'keep NFC protocol');\n            const nfcProtocol = tap.protocol as NFCComProtocol;\n            // for NFC connection\n            await nfcProtocol._connect().toPromise();\n            nfcProtocol.setConnectionState(ConnectionState.CONNECTED);\n          }\n          return tap;\n        })\n      );\n    }\n\n    if (config.refreshSessionState) {\n      connectObservable = connectObservable.pipe(\n        switchMap(async (tap) => {\n          debug(TAG, 'refreshSessionState');\n          emitter.next({\n            message: 'Refreshing user session...',\n            tap,\n          });\n          await tap.auth.refreshSessionState();\n          return tap;\n        })\n      );\n    }\n\n    if (config.keepAlive !== false) {\n      connectObservable = connectObservable.pipe(\n        tap((tap) => {\n          tap.keepAlive.start();\n        })\n      );\n    }\n\n    return connectObservable.pipe(\n      map((tap) => {\n        this.tapService.notifyNewTap();\n        return tap;\n      }),\n      catchError((originalError) => {\n        console.warn(`Tap connection failed with error`, originalError);\n        return defer(async () => {\n          await this.tapService\n            .remove(false)\n            .catch((err) => console.warn('ignored error', err));\n          throw originalError;\n        });\n      })\n    );\n  }\n\n  async registerAlternativeProtocols(\n    registerAlternativeProtocolMethod:\n      | TapRegisterProtocolsMethod\n      | false\n      | undefined,\n    initialProtocolMeta: ProtocolMeta\n  ) {\n    if (registerAlternativeProtocolMethod === false) {\n      return;\n    }\n    registerAlternativeProtocolMethod =\n      registerAlternativeProtocolMethod ||\n      TapRegisterProtocolsMethod.NDEF_OR_SERVICE;\n    debug(\n      TAG,\n      `Register alternative protocols with method: ${registerAlternativeProtocolMethod}`\n    );\n    const tap = this.tapService.tap;\n    switch (registerAlternativeProtocolMethod) {\n      case TapRegisterProtocolsMethod.NDEF_OR_SERVICE:\n        let registeredProtocolMeta: ProtocolMeta | undefined;\n        if (!tap.isConnected()) {\n          await tap.connect();\n        }\n        if (initialProtocolMeta.type === 'nfc') {\n          registeredProtocolMeta =\n            await this.tapService.registerProtocolsFromTag(\n              initialProtocolMeta.info.tag\n            );\n        } else {\n          await this.tapService.registerProtocolsFromTap().catch((err) => {\n            console.warn('Failed to register protocols from tap', err);\n          });\n        }\n        break;\n      case TapRegisterProtocolsMethod.SERVICE_ONLY:\n        if (!tap.isConnected()) {\n          await tap.connect();\n        }\n        await this.tapService.registerProtocolsFromTap().catch((err) => {\n          console.warn('Failed to register protocols from tap', err);\n        });\n        break;\n      case TapRegisterProtocolsMethod.NDEF_ONLY:\n        if (initialProtocolMeta.type === 'nfc') {\n          await this.tapService.registerProtocolsFromTag(\n            initialProtocolMeta.info.tag\n          );\n        }\n        break;\n    }\n  }\n}\n"]}