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@iotize/ionic

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Iotize specific building blocks on top of @ionic/angular.

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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 { tapService; protocolFactory; tapFactory = (protocol) => { return Tap.fromProtocol(protocol); }; constructor(tapService, protocolFactory) { this.tapService = tapService; this.protocolFactory = protocolFactory; } /** * 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) => { if (!tap.isConnected()) { emitter.next({ message: `Connecting with ${protocolMeta.type}...`, tap, }); await tap.connect(); } debug(TAG, 'refreshSessionState'); emitter.next({ message: 'Refreshing user session...', tap, }); await tap.auth.refreshSessionState(); return tap; })); } if (config.keepAlive !== false && config.keepAlive !== 0) { connectObservable = connectObservable.pipe(tap((tap) => { if (typeof config.keepAlive === 'number') { tap.keepAlive.period = config.keepAlive; } 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 */ static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.14", ngImport: i0, type: TapConnectionService, deps: [{ token: i1.CurrentDeviceService }, { token: i2.ProtocolFactoryService }], target: i0.ɵɵFactoryTarget.Injectable }); /** @nocollapse */ static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.14", ngImport: i0, type: TapConnectionService, providedIn: 'root' }); } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.14", ngImport: i0, type: TapConnectionService, decorators: [{ type: Injectable, args: [{ providedIn: 'root', }] }], ctorParameters: () => [{ 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   * If true, it is started with default period\n   * If number > 0 this is the keep alive period to use in milliseconds\n   */\n  keepAlive?: boolean | number;\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          if (!tap.isConnected()) {\n            emitter.next({\n              message: `Connecting with ${protocolMeta.type}...`,\n              tap,\n            });\n            await tap.connect();\n          }\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 && config.keepAlive !== 0) {\n      connectObservable = connectObservable.pipe(\n        tap((tap) => {\n          if (typeof config.keepAlive === 'number') {\n            tap.keepAlive.period = config.keepAlive;\n          }\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"]}