UI: Added firmware configuration

@@ -112,11 +112,10 @@ public class FirmwareController extends BaseController {
     @RequestMapping(value = "/firmware/{firmwareId}", method = RequestMethod.POST)
     @ResponseBody
     public Firmware saveFirmwareData(@PathVariable(FIRMWARE_ID) String strFirmwareId,
-                                     @RequestParam String checksum,
+                                     @RequestParam(required = false) String checksum,
                                      @RequestParam(required = false) String checksumAlgorithm,
-                                     @RequestBody MultipartFile firmwareFile) throws ThingsboardException {
+                                     @RequestBody MultipartFile file) throws ThingsboardException {
         checkParameter(FIRMWARE_ID, strFirmwareId);
-        checkParameter("checksum", checksum);
         try {
             FirmwareId firmwareId = new FirmwareId(toUUID(strFirmwareId));
             FirmwareInfo info = checkFirmwareInfoId(firmwareId, Operation.READ);
@@ -130,9 +129,9 @@ public class FirmwareController extends BaseController {
 
             firmware.setChecksumAlgorithm(checksumAlgorithm);
             firmware.setChecksum(checksum);
-            firmware.setFileName(firmwareFile.getOriginalFilename());
-            firmware.setContentType(firmwareFile.getContentType());
-            firmware.setData(ByteBuffer.wrap(firmwareFile.getBytes()));
+            firmware.setFileName(file.getOriginalFilename());
+            firmware.setContentType(file.getContentType());
+            firmware.setData(ByteBuffer.wrap(file.getBytes()));
             return firmwareService.saveFirmware(firmware);
         } catch (Exception e) {
             throw handleException(e);
@@ -186,4 +185,4 @@ public class FirmwareController extends BaseController {
         }
     }
 
-}
\ No newline at end of file
+}

@@ -206,16 +206,16 @@ public class BaseFirmwareService implements FirmwareService {
                 throw new DataValidationException("Firmware content type should be specified!");
             }
 
-            if (StringUtils.isEmpty(firmware.getChecksum())) {
-                throw new DataValidationException("Firmware checksum should be specified!");
-            }
-
             ByteBuffer data = firmware.getData();
             if (data == null || !data.hasArray() || data.array().length == 0) {
                 throw new DataValidationException("Firmware data should be specified!");
             }
 
             if (firmware.getChecksumAlgorithm() != null) {
+                if (StringUtils.isEmpty(firmware.getChecksum())) {
+                    throw new DataValidationException("Firmware checksum should be specified!");
+                }
+
                 HashFunction hashFunction;
                 switch (firmware.getChecksumAlgorithm()) {
                     case "sha256":
@@ -232,7 +232,6 @@ public class BaseFirmwareService implements FirmwareService {
                 }
 
                 String currentChecksum = hashFunction.hashBytes(data.array()).toString();
-                ;
 
                 if (!currentChecksum.equals(firmware.getChecksum())) {
                     throw new DataValidationException("Wrong firmware file!");

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { PageLink } from '@shared/models/page/page-link';
+import { defaultHttpOptionsFromConfig, defaultHttpUploadOptions, RequestConfig } from '@core/http/http-utils';
+import { Observable } from 'rxjs';
+import { PageData } from '@shared/models/page/page-data';
+import { Firmware, FirmwareInfo } from '@shared/models/firmware.models';
+import { catchError, map, mergeMap } from 'rxjs/operators';
+import { deepClone, isDefinedAndNotNull } from '@core/utils';
+import { InterceptorHttpParams } from '@core/interceptors/interceptor-http-params';
+import { InterceptorConfig } from '@core/interceptors/interceptor-config';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class FirmwareService {
+  constructor(
+    private http: HttpClient
+  ) {
+
+  }
+
+  public getFirmwares(pageLink: PageLink, hasData?: boolean, config?: RequestConfig): Observable<PageData<FirmwareInfo>> {
+    let url = `/api/firmwares${pageLink.toQuery()}`;
+    if (isDefinedAndNotNull(hasData)) {
+      url += `&hasData=${hasData}`;
+    }
+    return this.http.get<PageData<FirmwareInfo>>(url, defaultHttpOptionsFromConfig(config));
+  }
+
+  public getFirmware(firmwareId: string, config?: RequestConfig): Observable<Firmware> {
+    return this.http.get<Firmware>(`/api/firmware/${firmwareId}`, defaultHttpOptionsFromConfig(config));
+  }
+
+  public getFirmwareInfo(firmwareId: string, config?: RequestConfig): Observable<FirmwareInfo> {
+    return this.http.get<FirmwareInfo>(`/api/firmware/info/${firmwareId}`, defaultHttpOptionsFromConfig(config));
+  }
+
+  public downloadFirmware(firmwareId: string): Observable<any> {
+    return this.http.get(`/api/firmware/${firmwareId}/download`, { responseType: 'arraybuffer', observe: 'response' }).pipe(
+      map((response) => {
+        const headers = response.headers;
+        const filename = headers.get('x-filename');
+        const contentType = headers.get('content-type');
+        const linkElement = document.createElement('a');
+        try {
+          const blob = new Blob([response.body], { type: contentType });
+          const url = URL.createObjectURL(blob);
+          linkElement.setAttribute('href', url);
+          linkElement.setAttribute('download', filename);
+          const clickEvent = new MouseEvent('click',
+            {
+              view: window,
+              bubbles: true,
+              cancelable: false
+            }
+          );
+          linkElement.dispatchEvent(clickEvent);
+          return null;
+        } catch (e) {
+          throw e;
+        }
+      })
+    );
+  }
+
+  public saveFirmware(firmware: Firmware, config?: RequestConfig): Observable<Firmware> {
+    if (!firmware.file) {
+      return this.saveFirmwareInfo(firmware, config);
+    }
+    const firmwareInfo = deepClone(firmware);
+    delete firmwareInfo.file;
+    delete firmwareInfo.checksum;
+    delete firmwareInfo.checksumAlgorithm;
+    return this.saveFirmwareInfo(firmwareInfo, config).pipe(
+      mergeMap(res => {
+        return this.uploadFirmwareFile(res.id.id, firmware.file, firmware.checksumAlgorithm, firmware.checksum).pipe(
+          catchError(() => this.deleteFirmware(res.id.id))
+        );
+      })
+    );
+  }
+
+  public saveFirmwareInfo(firmware: FirmwareInfo, config?: RequestConfig): Observable<Firmware> {
+    return this.http.post<Firmware>('/api/firmware', firmware, defaultHttpOptionsFromConfig(config));
+  }
+
+  public uploadFirmwareFile(firmwareId: string, file: File, checksumAlgorithm?: string,
+                            checksum?: string, config?: RequestConfig): Observable<any> {
+    if (!config) {
+      config = {};
+    }
+    const formData = new FormData();
+    formData.append('file', file);
+    let url = `/api/firmware/${firmwareId}`;
+    if (checksumAlgorithm && checksum) {
+      url += `?checksumAlgorithm=${checksumAlgorithm}&checksum=${checksum}`;
+    }
+    return this.http.post(url, formData,
+      defaultHttpUploadOptions(config.ignoreLoading, config.ignoreErrors, config.resendRequest));
+  }
+
+  public deleteFirmware(firmwareId: string, config?: RequestConfig) {
+    return this.http.delete(`/api/firmware/${firmwareId}`, defaultHttpOptionsFromConfig(config));
+  }
+
+}

@@ -39,3 +39,11 @@ export function defaultHttpOptions(ignoreLoading: boolean = false,
     params: new InterceptorHttpParams(new InterceptorConfig(ignoreLoading, ignoreErrors, resendRequest))
   };
 }
+
+export function defaultHttpUploadOptions(ignoreLoading: boolean = false,
+                                         ignoreErrors: boolean = false,
+                                         resendRequest: boolean = false) {
+  return {
+    params: new InterceptorHttpParams(new InterceptorConfig(ignoreLoading, ignoreErrors, resendRequest))
+  };
+}

@@ -281,6 +281,13 @@ export class MenuService {
       },
       {
         id: guid(),
+        name: 'firmware.firmware',
+        type: 'link',
+        path: '/firmwares',
+        icon: 'memory'
+      },
+      {
+        id: guid(),
         name: 'entity-view.entity-views',
         type: 'link',
         path: '/entityViews',
@@ -379,6 +386,11 @@ export class MenuService {
             icon: 'mdi:alpha-d-box',
             isMdiIcon: true,
             path: '/deviceProfiles'
+          },
+          {
+            name: 'firmware.firmware',
+            icon: 'memory',
+            path: '/firmwares'
           }
         ]
       },

@@ -407,7 +407,7 @@ export function sortObjectKeys<T>(obj: T): T {
 }
 
 export function deepTrim<T>(obj: T): T {
-  if (isNumber(obj) || isUndefined(obj) || isString(obj) || obj === null) {
+  if (isNumber(obj) || isUndefined(obj) || isString(obj) || obj === null || obj instanceof File) {
     return obj;
   }
   return Object.keys(obj).reduce((acc, curr) => {

@@ -172,7 +172,7 @@ export class EntityTableConfig<T extends BaseData<HasId>, P extends PageLink = P
   deleteEntityContent: EntityStringFunction<L> = () => '';
   deleteEntitiesTitle: EntityCountStringFunction = () => '';
   deleteEntitiesContent: EntityCountStringFunction = () => '';
-  loadEntity: EntityByIdOperation<T> = () => of();
+  loadEntity: EntityByIdOperation<T | L> = () => of();
   saveEntity: EntityTwoWayOperation<T> = (entity) => of(entity);
   deleteEntity: EntityIdOneWayOperation = () => of();
   entitiesFetchFunction: EntitiesFetchFunction<L, P> = () => of(emptyPageData<L>());

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { RouterModule, Routes } from '@angular/router';
+import { EntitiesTableComponent } from '@home/components/entity/entities-table.component';
+import { Authority } from '@shared/models/authority.enum';
+import { NgModule } from '@angular/core';
+import { FirmwareTableConfigResolve } from '@home/pages/firmware/firmware-table-config.resolve';
+
+const routes: Routes = [
+  {
+    path: 'firmwares',
+    component: EntitiesTableComponent,
+    data: {
+      auth: [Authority.TENANT_ADMIN],
+      title: 'firmware.firmware',
+      breadcrumb: {
+        label: 'firmware.firmware',
+        icon: 'memory'
+      }
+    },
+    resolve: {
+      entitiesTableConfig: FirmwareTableConfigResolve
+    }
+  }
+];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule],
+  providers: [
+    FirmwareTableConfigResolve
+  ]
+})
+export class FirmwareRoutingModule{ }

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { Injectable } from '@angular/core';
+import { Resolve } from '@angular/router';
+import {
+  DateEntityTableColumn,
+  EntityTableColumn,
+  EntityTableConfig
+} from '@home/models/entity/entities-table-config.models';
+import { Firmware, FirmwareInfo } from '@shared/models/firmware.models';
+import { EntityType, entityTypeResources, entityTypeTranslations } from '@shared/models/entity-type.models';
+import { TranslateService } from '@ngx-translate/core';
+import { DatePipe } from '@angular/common';
+import { FirmwareService } from '@core/http/firmware.service';
+import { PageLink } from '@shared/models/page/page-link';
+import { FirmwaresComponent } from '@home/pages/firmware/firmwares.component';
+import { EntityAction } from '@home/models/entity/entity-component.models';
+import { DeviceInfo } from '@shared/models/device.models';
+
+@Injectable()
+export class FirmwareTableConfigResolve implements Resolve<EntityTableConfig<Firmware, PageLink, FirmwareInfo>> {
+
+  private readonly config: EntityTableConfig<Firmware, PageLink, FirmwareInfo> = new EntityTableConfig<Firmware, PageLink, FirmwareInfo>();
+
+  constructor(private translate: TranslateService,
+              private datePipe: DatePipe,
+              private firmwareService: FirmwareService) {
+    this.config.entityType = EntityType.FIRMWARE;
+    this.config.entityComponent = FirmwaresComponent;
+    this.config.entityTranslations = entityTypeTranslations.get(EntityType.FIRMWARE);
+    this.config.entityResources = entityTypeResources.get(EntityType.FIRMWARE);
+
+    this.config.entityTitle = (firmware) => firmware ? firmware.title : '';
+
+    this.config.columns.push(
+      new DateEntityTableColumn<FirmwareInfo>('createdTime', 'common.created-time', this.datePipe, '150px'),
+      new EntityTableColumn<FirmwareInfo>('title', 'firmware.title', '50%'),
+      new EntityTableColumn<FirmwareInfo>('version', 'firmware.version', '50%')
+    );
+
+    this.config.cellActionDescriptors.push(
+      {
+        name: this.translate.instant('firmware.export'),
+        icon: 'file_download',
+        isEnabled: (firmware) => firmware.hasData,
+        onAction: ($event, entity) => this.exportFirmware($event, entity)
+      }
+    );
+
+    this.config.deleteEntityTitle = firmware => this.translate.instant('firmware.delete-firmware-title',
+      { firmwareTitle: firmware.title });
+    this.config.deleteEntityContent = () => this.translate.instant('firmware.delete-firmware-text');
+    this.config.deleteEntitiesTitle = count => this.translate.instant('firmware.delete-firmwares-title', {count});
+    this.config.deleteEntitiesContent = () => this.translate.instant('firmware.delete-firmwares-text');
+
+    this.config.entitiesFetchFunction = pageLink => this.firmwareService.getFirmwares(pageLink);
+    this.config.loadEntity = id => this.firmwareService.getFirmwareInfo(id.id);
+    this.config.saveEntity = firmware => this.firmwareService.saveFirmware(firmware);
+    this.config.deleteEntity = id => this.firmwareService.deleteFirmware(id.id);
+
+    this.config.onEntityAction = action => this.onFirmwareAction(action);
+  }
+
+  resolve(): EntityTableConfig<Firmware, PageLink, FirmwareInfo> {
+    this.config.tableTitle = this.translate.instant('firmware.firmware');
+    return this.config;
+  }
+
+  exportFirmware($event: Event, firmware: FirmwareInfo) {
+    if ($event) {
+      $event.stopPropagation();
+    }
+    this.firmwareService.downloadFirmware(firmware.id.id).subscribe();
+  }
+
+  onFirmwareAction(action: EntityAction<FirmwareInfo>): boolean {
+    switch (action.action) {
+      case 'uploadFirmware':
+        this.exportFirmware(action.event, action.entity);
+        return true;
+    }
+    return false;
+  }
+
+}

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SharedModule } from '@shared/shared.module';
+import { HomeComponentsModule } from '@home/components/home-components.module';
+import { FirmwareRoutingModule } from '@home/pages/firmware/firmware-routing.module';
+import { FirmwaresComponent } from '@home/pages/firmware/firmwares.component';
+
+@NgModule({
+  declarations: [
+    FirmwaresComponent
+  ],
+  imports: [
+    CommonModule,
+    SharedModule,
+    HomeComponentsModule,
+    FirmwareRoutingModule
+  ]
+})
+export class FirmwareModule { }

+<!--
+
+    Copyright © 2016-2021 The Thingsboard Authors
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
+<div class="tb-details-buttons" fxLayout.xs="column">
+  <button mat-raised-button color="primary" fxFlex.xs
+          [disabled]="(isLoading$ | async) || !entity?.hasData"
+          (click)="onEntityAction($event, 'uploadFirmware')"
+          [fxShow]="!isEdit">
+    {{'firmware.export' | translate }}
+  </button>
+  <button mat-raised-button color="primary" fxFlex.xs
+          [disabled]="(isLoading$ | async)"
+          (click)="onEntityAction($event, 'delete')"
+          [fxShow]="!hideDelete() && !isEdit">
+    {{'resource.delete' | translate }}
+  </button>
+</div>
+<div class="mat-padding" fxLayout="column">
+  <form [formGroup]="entityForm">
+    <fieldset [disabled]="(isLoading$ | async) || !isEdit">
+      <mat-hint class="tb-hint" translate *ngIf="isAdd">firmware.warning-after-save-no-edit</mat-hint>
+      <div fxLayout="row" fxLayoutGap.gt-xs="8px" fxLayout.xs="column">
+        <mat-form-field class="mat-block" fxFlex="45">
+          <mat-label translate>firmware.title</mat-label>
+          <input matInput formControlName="title" type="text" required>
+          <mat-error *ngIf="entityForm.get('title').hasError('required')">
+            {{ 'firmware.title-required' | translate }}
+          </mat-error>
+        </mat-form-field>
+        <mat-form-field class="mat-block" fxFlex>
+          <mat-label translate>firmware.version</mat-label>
+          <input matInput formControlName="version" type="text" required>
+          <mat-error *ngIf="entityForm.get('version').hasError('required')">
+            {{ 'firmware.version-required' | translate }}
+          </mat-error>
+        </mat-form-field>
+      </div>
+      <section *ngIf="isAdd" style="padding-bottom: 8px">
+        <div fxLayout="row" fxLayoutGap.gt-xs="8px" fxLayout.xs="column">
+          <mat-form-field class="mat-block" fxFlex="45">
+            <mat-label translate>firmware.checksum-algorithm</mat-label>
+            <mat-select formControlName="checksumAlgorithm">
+              <mat-option [value]=null></mat-option>
+              <mat-option *ngFor="let checksumAlgorithm of checksumAlgorithms" [value]="checksumAlgorithm">
+                {{ checksumAlgorithmTranslationMap.get(checksumAlgorithm) }}
+              </mat-option>
+            </mat-select>
+          </mat-form-field>
+          <mat-form-field class="mat-block" fxFlex>
+            <mat-label translate>firmware.checksum</mat-label>
+            <input matInput formControlName="checksum" type="text"
+                   [required]="entityForm.get('checksumAlgorithm').value != null">
+            <mat-error *ngIf="entityForm.get('checksumAlgorithm').hasError('required')">
+              {{ 'firmware.checksum-required' | translate }}
+            </mat-error>
+          </mat-form-field>
+        </div>
+        <tb-file-input
+          formControlName="file"
+          workFromFileObj="true"
+          required
+          dropLabel="{{'resource.drop-file' | translate}}">
+        </tb-file-input>
+      </section>
+      <div formGroupName="additionalInfo">
+        <mat-form-field class="mat-block">
+          <mat-label translate>firmware.description</mat-label>
+          <textarea matInput formControlName="description" rows="2"></textarea>
+        </mat-form-field>
+      </div>
+    </fieldset>
+  </form>
+</div>

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { Component, Inject, OnDestroy, OnInit } from '@angular/core';
+import { Subject } from 'rxjs';
+import { Store } from '@ngrx/store';
+import { AppState } from '@core/core.state';
+import { TranslateService } from '@ngx-translate/core';
+import { EntityTableConfig } from '@home/models/entity/entities-table-config.models';
+import { FormBuilder, FormGroup, Validators } from '@angular/forms';
+import { EntityComponent } from '@home/components/entity/entity.component';
+import { ChecksumAlgorithm, ChecksumAlgorithmTranslationMap, Firmware } from '@shared/models/firmware.models';
+import { distinctUntilChanged, map, takeUntil } from 'rxjs/operators';
+
+@Component({
+  selector: 'tb-firmware',
+  templateUrl: './firmwares.component.html'
+})
+export class FirmwaresComponent extends EntityComponent<Firmware> implements OnInit, OnDestroy {
+
+  private destroy$ = new Subject();
+
+  checksumAlgorithms = Object.values(ChecksumAlgorithm);
+  checksumAlgorithmTranslationMap = ChecksumAlgorithmTranslationMap;
+
+  constructor(protected store: Store<AppState>,
+              protected translate: TranslateService,
+              @Inject('entity') protected entityValue: Firmware,
+              @Inject('entitiesTableConfig') protected entitiesTableConfigValue: EntityTableConfig<Firmware>,
+              public fb: FormBuilder) {
+    super(store, fb, entityValue, entitiesTableConfigValue);
+  }
+
+  ngOnInit() {
+    super.ngOnInit();
+    if (this.isAdd) {
+      this.entityForm.get('checksumAlgorithm').valueChanges.pipe(
+        map(algorithm => !!algorithm),
+        distinctUntilChanged(),
+        takeUntil(this.destroy$)
+      ).subscribe(
+        setAlgorithm => {
+          if (setAlgorithm) {
+            this.entityForm.get('checksum').setValidators([Validators.maxLength(1020), Validators.required]);
+          } else {
+            this.entityForm.get('checksum').clearValidators();
+          }
+          this.entityForm.get('checksum').updateValueAndValidity({emitEvent: false});
+        }
+      );
+    }
+  }
+
+  ngOnDestroy() {
+    super.ngOnDestroy();
+    this.destroy$.next();
+    this.destroy$.complete();
+  }
+
+  hideDelete() {
+    if (this.entitiesTableConfig) {
+      return !this.entitiesTableConfig.deleteEnabled(this.entity);
+    } else {
+      return false;
+    }
+  }
+
+  buildForm(entity: Firmware): FormGroup {
+    const form = this.fb.group({
+      title: [entity ? entity.title : '', [Validators.required, Validators.maxLength(255)]],
+      version: [entity ? entity.version : '', [Validators.required, Validators.maxLength(255)]],
+      additionalInfo: this.fb.group(
+        {
+          description: [entity && entity.additionalInfo ? entity.additionalInfo.description : ''],
+        }
+      )
+    });
+    if (this.isAdd) {
+      form.addControl('checksumAlgorithm', this.fb.control(null));
+      form.addControl('checksum', this.fb.control('', Validators.maxLength(1020)));
+      form.addControl('file', this.fb.control(null, Validators.required));
+    }
+    return form;
+  }
+
+  updateForm(entity: Firmware) {
+    if (this.isEdit) {
+      this.entityForm.get('title').disable({emitEvent: false});
+      this.entityForm.get('version').disable({emitEvent: false});
+    }
+    this.entityForm.patchValue({
+      title: entity.title,
+      version: entity.version,
+      additionalInfo: {
+        description: entity.additionalInfo ? entity.additionalInfo.description : ''
+      }
+    });
+  }
+}

@@ -35,6 +35,7 @@ import { modulesMap } from '../../common/modules-map';
 import { DeviceProfileModule } from './device-profile/device-profile.module';
 import { ApiUsageModule } from '@home/pages/api-usage/api-usage.module';
 import { ResourceModule } from '@home/pages/resource/resource.module';
+import { FirmwareModule } from '@home/pages/firmware/firmware.module';
 
 @NgModule({
   exports: [
@@ -54,6 +55,7 @@ import { ResourceModule } from '@home/pages/resource/resource.module';
     AuditLogModule,
     ApiUsageModule,
     ResourceModule,
+    FirmwareModule,
     UserModule
   ],
   providers: [

@@ -105,6 +105,9 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
   @Input()
   readAsBinary = false;
 
+  @Input()
+  workFromFileObj = false;
+
   private multipleFileValue = false;
 
   @Input()
@@ -124,6 +127,7 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
 
   fileName: string | string[];
   fileContent: any;
+  files: File[];
 
   @ViewChild('flow', {static: true})
   flow: FlowDirective;
@@ -151,15 +155,17 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
           }
         });
         if (readers.length) {
-          Promise.all(readers).then((filesContent) => {
-            filesContent = filesContent.filter(content => content.fileContent != null);
-            if (filesContent.length === 1) {
-              this.fileContent = filesContent[0].fileContent;
-              this.fileName = filesContent[0].fileName;
+          Promise.all(readers).then((files) => {
+            files = files.filter(file => file.fileContent != null || file.files != null);
+            if (files.length === 1) {
+              this.fileContent = files[0].fileContent;
+              this.fileName = files[0].fileName;
+              this.files = files[0].files;
               this.updateModel();
-            } else if (filesContent.length > 1) {
-              this.fileContent = filesContent.map(content => content.fileContent);
-              this.fileName = filesContent.map(content => content.fileName);
+            } else if (files.length > 1) {
+              this.fileContent = files.map(content => content.fileContent);
+              this.fileName = files.map(content => content.fileName);
+              this.files = files.map(content => content.files);
               this.updateModel();
             }
           });
@@ -177,21 +183,27 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
       reader.onload = () => {
         let fileName = null;
         let fileContent = null;
+        let files = null;
         if (typeof reader.result === 'string') {
           fileContent = reader.result;
           if (fileContent && fileContent.length > 0) {
-            if (this.contentConvertFunction) {
-              fileContent = this.contentConvertFunction(fileContent);
-            }
-            if (fileContent) {
+            if (!this.workFromFileObj) {
+              if (this.contentConvertFunction) {
+                fileContent = this.contentConvertFunction(fileContent);
+              }
+              if (fileContent) {
+                fileName = file.name;
+              }
+            } else {
+              files = file.file;
               fileName = file.name;
             }
           }
         }
-        resolve({fileContent, fileName});
+        resolve({fileContent, fileName, files});
       };
       reader.onerror = () => {
-        resolve({fileContent: null, fileName: null});
+        resolve({fileContent: null, fileName: null, files: null});
       };
       if (this.readAsBinary) {
         reader.readAsBinaryString(file.file);
@@ -227,7 +239,11 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
   }
 
   writeValue(value: any): void {
-    this.fileName = this.existingFileName || null;
+    let fileName = null;
+    if (this.workFromFileObj && value instanceof File) {
+      fileName = Array.isArray(value) ? value.map(file => file.name) : value.name;
+    }
+    this.fileName = this.existingFileName || fileName;
   }
 
   ngOnChanges(changes: SimpleChanges): void {
@@ -242,13 +258,18 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
   }
 
   private updateModel() {
-    this.propagateChange(this.fileContent);
-    this.fileNameChanged.emit(this.fileName);
+    if (this.workFromFileObj) {
+      this.propagateChange(this.files);
+    } else {
+      this.propagateChange(this.fileContent);
+      this.fileNameChanged.emit(this.fileName);
+    }
   }
 
   clearFile() {
     this.fileName = null;
     this.fileContent = null;
+    this.files = null;
     this.updateModel();
   }
 

@@ -33,7 +33,8 @@ export enum EntityType {
   WIDGETS_BUNDLE = 'WIDGETS_BUNDLE',
   WIDGET_TYPE = 'WIDGET_TYPE',
   API_USAGE_STATE = 'API_USAGE_STATE',
-  TB_RESOURCE = 'TB_RESOURCE'
+  TB_RESOURCE = 'TB_RESOURCE',
+  FIRMWARE = 'FIRMWARE'
 }
 
 export enum AliasEntityType {
@@ -278,6 +279,16 @@ export const entityTypeTranslations = new Map<EntityType | AliasEntityType, Enti
         selectedEntities: 'resource.selected-resources'
       }
     ],
+    [
+      EntityType.FIRMWARE,
+      {
+        details: 'firmware.firmware-details',
+        add: 'firmware.add',
+        noEntities: 'firmware.no-firmware-text',
+        search: 'firmware.search',
+        selectedEntities: 'firmware.selected-firmware'
+      }
+    ]
   ]
 );
 
@@ -354,6 +365,12 @@ export const entityTypeResources = new Map<EntityType, EntityTypeResource<BaseDa
       {
         helpLinkId: 'resources'
       }
+    ],
+    [
+      EntityType.FIRMWARE,
+      {
+        helpLinkId: 'firmware'
+      }
     ]
   ]
 );

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { BaseData } from '@shared/models/base-data';
+import { TenantId } from '@shared/models/id/tenant-id';
+import { FirmwareId } from '@shared/models/id/firmware-id';
+
+export enum ChecksumAlgorithm {
+  MD5 = 'md5',
+  SHA256 = 'sha256',
+  CRC32 = 'crc32'
+}
+
+export const ChecksumAlgorithmTranslationMap = new Map<ChecksumAlgorithm, string>(
+  [
+    [ChecksumAlgorithm.MD5, 'MD5'],
+    [ChecksumAlgorithm.SHA256, 'SHA-256'],
+    [ChecksumAlgorithm.CRC32, 'CRC-32']
+  ]
+);
+
+export interface FirmwareInfo extends BaseData<FirmwareId> {
+  tenantId?: TenantId;
+  title?: string;
+  version?: string;
+  hasData?: boolean;
+  additionalInfo?: any;
+}
+
+export interface Firmware extends FirmwareInfo {
+  file?: File;
+  data: string;
+  fileName: string;
+  checksum?: ChecksumAlgorithm;
+  checksumAlgorithm?: string;
+  contentType: string;
+}

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { EntityId } from '@shared/models/id/entity-id';
+import { EntityType } from '@shared/models/entity-type.models';
+
+export class FirmwareId implements EntityId {
+  entityType = EntityType.FIRMWARE;
+  id: string;
+  constructor(id: string) {
+    this.id = id;
+  }
+}

@@ -1693,6 +1693,33 @@
          "inherit-owner": "Inherit from owner",
          "source-attribute-not-set": "If source attribute isn't set"
     },
+    "firmware": {
+        "add": "Add firmware",
+        "checksum": "Checksum",
+        "checksum-required": "Checksum is required.",
+        "checksum-algorithm": "Checksum algorithm",
+        "description": "Description",
+        "delete": "Delete firmware",
+        "delete-firmware-text": "Be careful, after the confirmation the firmware will become unrecoverable.",
+        "delete-firmware-title": "Are you sure you want to delete the firmware '{{firmwareTitle}}'?",
+        "delete-firmwares-action-title": "Delete { count, plural, 1 {1 firmware} other {# firmwares} }",
+        "delete-firmwares-text": "Be careful, after the confirmation all selected resources will be removed.",
+        "delete-firmwares-title": "Are you sure you want to delete { count, plural, 1 {1 firmware} other {# firmwares} }?",
+        "drop-file": "Drop a firmware file or click to select a file to upload.",
+        "empty": "Firmware is empty",
+        "export": "Export firmware",
+        "no-firmware-matching": "No firmware matching '{{firmware}}' were found.",
+        "no-firmware-text": "No firmwares found",
+        "firmware": "Firmware",
+        "firmware-details": "Firmware details",
+        "search": "Search firmwares",
+        "selected-firmware": "{ count, plural, 1 {1 firmware} other {# firmwares} } selected",
+        "title": "Title",
+        "title-required": "Title is required.",
+        "version": "Version",
+        "version-required": "Version is required.",
+        "warning-after-save-no-edit": "Once the firmware is saved, it will not be possible to change the title and version fields."
+    },
     "fullscreen": {
         "expand": "Expand to fullscreen",
         "exit": "Exit fullscreen",