finalize refactoring & ready for the PR

.idea/.idea.MalwareMultiScan/.idea/runConfigurations/MalwareMultiScan_Scanner_Dockerfile.xml

@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="MalwareMultiScan.Worker/Dockerfile" type="docker-deploy" factoryName="dockerfile" server-name="Docker">
+  <configuration default="false" name="MalwareMultiScan.Scanner/Dockerfile" type="docker-deploy" factoryName="dockerfile" server-name="Docker">
     <deployment type="dockerfile">
       <settings>
         <option name="imageTag" value="mindcollapse/malware-multi-scan-worker" />
@@ -10,7 +10,7 @@
         <option name="contextFolderPath" value="." />
         <option name="entrypoint" value="" />
         <option name="commandLineOptions" value="" />
-        <option name="sourceFilePath" value="MalwareMultiScan.Worker/Dockerfile" />
+        <option name="sourceFilePath" value="MalwareMultiScan.Scanner/Dockerfile" />
       </settings>
     </deployment>
     <method v="2" />

MalwareMultiScan.Api/Attributes/IsHttpUrlAttribute.cs

@@ -3,13 +3,17 @@ using System.ComponentModel.DataAnnotations;
 
 namespace MalwareMultiScan.Api.Attributes
 {
-    public class HttpUrlValidationAttribute : ValidationAttribute
+    /// <summary>
+    /// Validate URI to be an absolute http(s) URL.
+    /// </summary>
+    internal class IsHttpUrlAttribute : ValidationAttribute
     {
+        /// <inheritdoc />
         protected override ValidationResult IsValid(object value, ValidationContext validationContext)
         {
-            var uri = (Uri) value;
+            if (!Uri.TryCreate((string)value, UriKind.Absolute, out var uri) 
-
+                || !uri.IsAbsoluteUri 
-            if (uri == null || !uri.IsAbsoluteUri || uri.Scheme != "http" && uri.Scheme != "https")
+                || uri.Scheme != "http" && uri.Scheme != "https")
                 return new ValidationResult("Only absolute http(s) URLs are supported");
 
             return ValidationResult.Success;

MalwareMultiScan.Api/Attributes/MaxFileSizeAttribute.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace MalwareMultiScan.Api.Attributes
+{
+    /// <summary>
+    /// Validate uploaded file size for the max file size defined in settings.
+    /// </summary>
+    public class MaxFileSizeAttribute : ValidationAttribute
+    {
+        /// <inheritdoc />
+        protected override ValidationResult IsValid(object value, ValidationContext validationContext)
+        {
+            var maxSize = validationContext
+                .GetRequiredService<IConfiguration>()
+                .GetValue<long>("MaxFileSize");
+            
+            var formFile = (IFormFile) value;
+            
+            if (formFile == null || formFile.Length > maxSize)
+                return new ValidationResult($"File exceeds the maximum size of {maxSize} bytes");
+            
+            return ValidationResult.Success;
+        }
+    }
+}

MalwareMultiScan.Api/Controllers/DownloadController.cs

@@ -5,7 +5,9 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace MalwareMultiScan.Api.Controllers
 {
+    [ApiController]
     [Route("download")]
+    [Produces("application/octet-stream")]
     public class DownloadController : Controller
     {
         private readonly ScanResultService _scanResultService;

MalwareMultiScan.Api/Controllers/QueueController.cs

@@ -1,4 +1,4 @@
-using System;
+using System.ComponentModel.DataAnnotations;
 using System.Threading.Tasks;
 using MalwareMultiScan.Api.Attributes;
 using MalwareMultiScan.Api.Data.Models;
@@ -23,37 +23,33 @@ namespace MalwareMultiScan.Api.Controllers
         [HttpPost("file")]
         [ProducesResponseType(typeof(ScanResult), StatusCodes.Status201Created)]
         [ProducesResponseType(StatusCodes.Status400BadRequest)]
-        public async Task<IActionResult> ScanFile([FromForm] IFormFile file)
+        public async Task<IActionResult> ScanFile(
+            [Required, MaxFileSize] IFormFile file)
         {
             var result = await _scanResultService.CreateScanResult();
 
             string storedFileId;
 
             await using (var uploadFileStream = file.OpenReadStream())
-            {
                 storedFileId = await _scanResultService.StoreFile(file.Name, uploadFileStream);
-            }
 
             await _scanResultService.QueueUrlScan(result, Url.Action("Index", "Download", new {id = storedFileId},
                 Request.Scheme, Request.Host.Value));
 
-            return Created(Url.Action("Index", "ScanResults", new {id = result.Id},
+            return CreatedAtAction("Index", "ScanResults", new {id = result.Id}, result);
-                Request.Scheme, Request.Host.Value), result);
         }
 
         [HttpPost("url")]
         [ProducesResponseType(typeof(ScanResult), StatusCodes.Status201Created)]
         [ProducesResponseType(StatusCodes.Status400BadRequest)]
-        public async Task<IActionResult> ScanUrl([FromForm] [HttpUrlValidation] Uri url)
+        public async Task<IActionResult> ScanUrl(
+            [FromForm, Required, IsHttpUrl] string url)
         {
             var result = await _scanResultService.CreateScanResult();
 
-            var resultUrl = Url.Action("Index", "ScanResults", new {id = result.Id},
+            await _scanResultService.QueueUrlScan(result, url);
-                Request.Scheme, Request.Host.Value);
 
-            await _scanResultService.QueueUrlScan(result, url.ToString());
+            return CreatedAtAction("Index", "ScanResults", new {id = result.Id}, result);
-
-            return Created(resultUrl, result);
         }
     }
 }

MalwareMultiScan.Api/Controllers/ScanResultsController.cs

@@ -20,6 +20,7 @@ namespace MalwareMultiScan.Api.Controllers
 
         [HttpGet("{id}")]
         [ProducesResponseType(typeof(ScanResult), StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
         public async Task<IActionResult> Index(string id)
         {
             var scanResult = await _scanResultService.GetScanResult(id);

MalwareMultiScan.Api/Data/Configuration/ScanBackend.cs

@@ -3,6 +3,6 @@ namespace MalwareMultiScan.Api.Data.Configuration
     public class ScanBackend
     {
         public string Id { get; set; }
-        public string Name { get; set; }
+        public bool Enabled { get; set; }
     }
 }

MalwareMultiScan.Api/Data/Models/ScanResultEntry.cs

@@ -3,7 +3,7 @@ namespace MalwareMultiScan.Api.Data.Models
     public class ScanResultEntry
     {
         public bool Completed { get; set; }
-        public bool Succeeded { get; set; }
+        public bool? Succeeded { get; set; }
         public string[] Threats { get; set; }
     }
 }

MalwareMultiScan.Api/Extensions/ServiceCollectionExtensions.cs

@@ -0,0 +1,42 @@
+using System.Net;
+using EasyNetQ;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using MongoDB.Driver;
+
+namespace MalwareMultiScan.Api.Extensions
+{
+    internal static class ServiceCollectionExtensions
+    {
+        public static void AddMongoDb(this IServiceCollection services, IConfiguration configuration)
+        {
+            services.AddSingleton(
+                serviceProvider =>
+                {
+                    var db = new MongoClient(configuration.GetConnectionString("Mongo"));
+
+                    return db.GetDatabase(
+                        configuration.GetValue<string>("DatabaseName"));
+                });
+        }
+
+        public static void AddRabbitMq(this IServiceCollection services, IConfiguration configuration)
+        {
+            services.AddSingleton(x =>
+                RabbitHutch.CreateBus(configuration.GetConnectionString("RabbitMQ")));
+        }
+
+        public static void AddDockerForwardedHeadersOptions(this IServiceCollection services)
+        {
+            services.Configure<ForwardedHeadersOptions>(options =>
+            {
+                options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("::ffff:10.0.0.0"), 104));
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("::ffff:192.168.0.0"), 112));
+                options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("::ffff:172.16.0.0"), 108));
+            });
+        }
+    }
+}

MalwareMultiScan.Api/MalwareMultiScan.Api.csproj

@@ -14,18 +14,10 @@
       <PackageReference Include="EasyNetQ" Version="5.6.0" />
       <PackageReference Include="MongoDB.Driver" Version="2.11.3" />
       <PackageReference Include="MongoDB.Driver.GridFS" Version="2.11.3" />
-      <PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" />
       <PackageReference Include="YamlDotNet" Version="8.1.2" />
     </ItemGroup>
 
-    <ItemGroup>
-      <_ContentIncludedByDefault Remove="Properties\launchSettings.json" />
-    </ItemGroup>
-
     <ItemGroup>
       <ProjectReference Include="..\MalwareMultiScan.Backends\MalwareMultiScan.Backends.csproj" />
-      <ProjectReference Include="..\MalwareMultiScan.Shared\MalwareMultiScan.Shared.csproj" />
     </ItemGroup>
-
-
 </Project>

MalwareMultiScan.Api/Program.cs

@@ -13,7 +13,7 @@ namespace MalwareMultiScan.Api
         private static IHostBuilder CreateHostBuilder(string[] args)
         {
             return Host.CreateDefaultBuilder(args)
-                .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });
+                .ConfigureWebHostDefaults(webBuilder => webBuilder.UseStartup<Startup>());
         }
     }
 }

MalwareMultiScan.Api/Services/ReceiverHostedService.cs

@@ -8,13 +8,23 @@ using Microsoft.Extensions.Logging;
 
 namespace MalwareMultiScan.Api.Services
 {
+    /// <summary>
+    /// Receiver hosted service.
+    /// </summary>
     public class ReceiverHostedService : IHostedService
     {
         private readonly IBus _bus;
         private readonly IConfiguration _configuration;
-        private readonly ScanResultService _scanResultService;
         private readonly ILogger<ReceiverHostedService> _logger;
+        private readonly ScanResultService _scanResultService;
 
+        /// <summary>
+        /// Create receiver hosted service.
+        /// </summary>
+        /// <param name="bus">Service bus.</param>
+        /// <param name="configuration">Configuration.</param>
+        /// <param name="scanResultService">Scan result service.</param>
+        /// <param name="logger">Logger.</param>
         public ReceiverHostedService(IBus bus, IConfiguration configuration, ScanResultService scanResultService,
             ILogger<ReceiverHostedService> logger)
         {
@@ -24,6 +34,7 @@ namespace MalwareMultiScan.Api.Services
             _logger = logger;
         }
 
+        /// <inheritdoc />
         public Task StartAsync(CancellationToken cancellationToken)
         {
             _bus.Receive<ScanResultMessage>(_configuration.GetValue<string>("ResultsSubscriptionId"), async message =>
@@ -33,7 +44,8 @@ namespace MalwareMultiScan.Api.Services
                     $"with threats {string.Join(",", message.Threats)}");
 
                 await _scanResultService.UpdateScanResultForBackend(
-                    message.Id, message.Backend, true, true, message.Threats);
+                    message.Id, message.Backend, true,
+                    message.Succeeded, message.Threats ?? new string[] { });
             });
 
             _logger.LogInformation(
@@ -42,6 +54,8 @@ namespace MalwareMultiScan.Api.Services
             return Task.CompletedTask;
         }
 
+
+        /// <inheritdoc />
         public Task StopAsync(CancellationToken cancellationToken)
         {
             _bus.Dispose();

MalwareMultiScan.Api/Services/ScanBackendService.cs

@@ -12,11 +12,21 @@ using YamlDotNet.Serialization.NamingConventions;
 
 namespace MalwareMultiScan.Api.Services
 {
+    /// <summary>
+    /// Scan backends service.
+    /// </summary>
     public class ScanBackendService
     {
         private readonly IBus _bus;
         private readonly ILogger<ScanBackendService> _logger;
 
+        /// <summary>
+        /// Create scan backend service.
+        /// </summary>
+        /// <param name="configuration">Configuration.</param>
+        /// <param name="bus">Service bus.</param>
+        /// <param name="logger">Logger.</param>
+        /// <exception cref="FileNotFoundException">Missing BackendsConfiguration YAML file.</exception>
         public ScanBackendService(IConfiguration configuration, IBus bus, ILogger<ScanBackendService> logger)
         {
             _bus = bus;
@@ -36,8 +46,17 @@ namespace MalwareMultiScan.Api.Services
             List = deserializer.Deserialize<ScanBackend[]>(configurationContent);
         }
 
+        /// <summary>
+        /// List of available scan backends.
+        /// </summary>
         public ScanBackend[] List { get; }
 
+        /// <summary>
+        /// Queue URL scan.
+        /// </summary>
+        /// <param name="result">Scan result instance.</param>
+        /// <param name="backend">Scan backend.</param>
+        /// <param name="fileUrl">File download URL.</param>
         public async Task QueueUrlScan(ScanResult result, ScanBackend backend, string fileUrl)
         {
             _logger.LogInformation(

MalwareMultiScan.Api/Services/ScanResultService.cs

@@ -8,29 +8,41 @@ using MongoDB.Driver.GridFS;
 
 namespace MalwareMultiScan.Api.Services
 {
+    /// <summary>
+    /// Scan results service.
+    /// </summary>
     public class ScanResultService
     {
         private const string CollectionName = "ScanResults";
+
         private readonly GridFSBucket _bucket;
-
         private readonly IMongoCollection<ScanResult> _collection;
-
         private readonly ScanBackendService _scanBackendService;
 
+        /// <summary>
+        /// Create scan result service.
+        /// </summary>
+        /// <param name="db">Mongo database.</param>
+        /// <param name="scanBackendService">Scan backend service.</param>
         public ScanResultService(IMongoDatabase db, ScanBackendService scanBackendService)
         {
             _scanBackendService = scanBackendService;
 
-            _collection = db.GetCollection<ScanResult>(CollectionName);
             _bucket = new GridFSBucket(db);
+            _collection = db.GetCollection<ScanResult>(CollectionName);
         }
 
+        /// <summary>
+        /// Create scan result.
+        /// </summary>
+        /// <returns>Scan result.</returns>
         public async Task<ScanResult> CreateScanResult()
         {
             var scanResult = new ScanResult
             {
-                Results = _scanBackendService.List.ToDictionary(
+                Results = _scanBackendService.List
-                    k => k.Id, v => new ScanResultEntry())
+                    .Where(b => b.Enabled)
+                    .ToDictionary(k => k.Id, v => new ScanResultEntry())
             };
 
             await _collection.InsertOneAsync(scanResult);
@@ -38,6 +50,11 @@ namespace MalwareMultiScan.Api.Services
             return scanResult;
         }
 
+        /// <summary>
+        /// Get scan result.
+        /// </summary>
+        /// <param name="id">Scan result id.</param>
+        /// <returns>Scan result.</returns>
         public async Task<ScanResult> GetScanResult(string id)
         {
             var result = await _collection.FindAsync(
@@ -46,27 +63,44 @@ namespace MalwareMultiScan.Api.Services
             return await result.FirstOrDefaultAsync();
         }
 
+        /// <summary>
+        /// Update scan status for the backend.
+        /// </summary>
+        /// <param name="resultId">Result id.</param>
+        /// <param name="backendId">Backend id.</param>
+        /// <param name="completed">If the scan has been completed.</param>
+        /// <param name="succeeded">If the scan has been succeeded.</param>
+        /// <param name="threats">List of found threats.</param>
         public async Task UpdateScanResultForBackend(string resultId, string backendId,
             bool completed = false, bool succeeded = false, string[] threats = null)
         {
-            var filterScanResult = Builders<ScanResult>.Filter.Where(r => r.Id == resultId);
+            await _collection.UpdateOneAsync(
-
+                Builders<ScanResult>.Filter.Where(r => r.Id == resultId),
-            var updateScanResult = Builders<ScanResult>.Update.Set(r => r.Results[backendId], new ScanResultEntry
+                Builders<ScanResult>.Update.Set(r => r.Results[backendId], new ScanResultEntry
                 {
                     Completed = completed,
                     Succeeded = succeeded,
-                Threats = threats
+                    Threats = threats ?? new string[] { }
-            });
+                }));
-
-            await _collection.UpdateOneAsync(filterScanResult, updateScanResult);
         }
 
+        /// <summary>
+        /// Queue URL scan.
+        /// </summary>
+        /// <param name="result">Scan result instance.</param>
+        /// <param name="fileUrl">File URL.</param>
         public async Task QueueUrlScan(ScanResult result, string fileUrl)
         {
-            foreach (var backend in _scanBackendService.List)
+            foreach (var backend in _scanBackendService.List.Where(b => b.Enabled))
                 await _scanBackendService.QueueUrlScan(result, backend, fileUrl);
         }
 
+        /// <summary>
+        /// Store file.
+        /// </summary>
+        /// <param name="fileName">File name.</param>
+        /// <param name="fileStream">File stream.</param>
+        /// <returns>Stored file id.</returns>
         public async Task<string> StoreFile(string fileName, Stream fileStream)
         {
             var objectId = await _bucket.UploadFromStreamAsync(
@@ -75,6 +109,11 @@ namespace MalwareMultiScan.Api.Services
             return objectId.ToString();
         }
 
+        /// <summary>
+        /// Obtain stored file stream.
+        /// </summary>
+        /// <param name="id">File id.</param>
+        /// <returns>File seekable stream.</returns>
         public async Task<Stream> ObtainFile(string id)
         {
             if (!ObjectId.TryParse(id, out var objectId))

MalwareMultiScan.Api/Startup.cs

@@ -1,12 +1,8 @@
-using EasyNetQ;
+using MalwareMultiScan.Api.Extensions;
 using MalwareMultiScan.Api.Services;
 using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.HttpOverrides;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.OpenApi.Models;
-using MongoDB.Driver;
 
 namespace MalwareMultiScan.Api
 {
@@ -21,62 +17,24 @@ namespace MalwareMultiScan.Api
 
         public void ConfigureServices(IServiceCollection services)
         {
-            services.AddSingleton(x =>
+            services.AddDockerForwardedHeadersOptions();
-                RabbitHutch.CreateBus(_configuration.GetConnectionString("RabbitMQ")));
+
+            services.AddMongoDb(_configuration);
+            services.AddRabbitMq(_configuration);
 
             services.AddSingleton<ScanBackendService>();
             services.AddSingleton<ScanResultService>();
 
-            services.AddSingleton(
-                serviceProvider =>
-                {
-                    var db = new MongoClient(_configuration.GetConnectionString("Mongo"));
-
-                    return db.GetDatabase(
-                        _configuration.GetValue<string>("DatabaseName"));
-                });
-
             services.AddControllers();
-            services.AddHttpClient();
-
-            services.AddSwaggerGen(options =>
-            {
-                options.SwaggerDoc("MalwareMultiScan",
-                    new OpenApiInfo
-                    {
-                        Title = "MalwareMultiScan",
-                        Version = "1.0.0"
-                    });
-            });
 
             services.AddHostedService<ReceiverHostedService>();
         }
 
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        public void Configure(IApplicationBuilder app)
         {
             app.UseRouting();
-
+            app.UseForwardedHeaders();
-            var forwardingOptions = new ForwardedHeadersOptions
-            {
-                ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
-            };
-
-            forwardingOptions.KnownNetworks.Clear();
-            forwardingOptions.KnownProxies.Clear();
-
-            app.UseForwardedHeaders(forwardingOptions);
-
             app.UseEndpoints(endpoints => endpoints.MapControllers());
-
-            app.UseSwagger();
-
-            app.UseSwaggerUI(options =>
-            {
-                options.DocumentTitle = "MalwareMultiScan";
-
-                options.SwaggerEndpoint(
-                    $"/swagger/{options.DocumentTitle}/swagger.json", options.DocumentTitle);
-            });
         }
     }
 }

MalwareMultiScan.Api/appsettings.Development.json

@@ -1,9 +0,0 @@
-{
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft": "Warning",
-      "Microsoft.Hosting.Lifetime": "Information"
-    }
-  }
-}

MalwareMultiScan.Api/appsettings.json

@@ -14,8 +14,7 @@
   },
 
   "DatabaseName": "MalwareMultiScan",
-  
   "ResultsSubscriptionId": "mms.results",
-  
+  "MaxFileSize": 1048576,
   "BackendsConfiguration": "backends.yaml"
 }

MalwareMultiScan.Api/backends.yaml

@@ -1,2 +1,2 @@
 - id: dummy
-  name: Dummy Backend
+  enabled: true

MalwareMultiScan.Backends/Backends/Abstracts/AbstractLocalProcessScanBackend.cs

@@ -20,7 +20,7 @@ namespace MalwareMultiScan.Backends.Backends.Abstracts
 
         protected abstract Regex MatchRegex { get; }
         protected abstract string BackendPath { get; }
-        protected virtual bool ParseStdErr { get; }
+        protected virtual bool ParseStdErr { get; } = false;
         protected virtual bool ThrowOnNonZeroExitCode { get; } = true;
 
         protected abstract string GetBackendArguments(string path);

MalwareMultiScan.Backends/Backends/Abstracts/AbstractScanBackend.cs

@@ -4,7 +4,6 @@ using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
 using MalwareMultiScan.Backends.Interfaces;
-using Microsoft.AspNetCore.Http;
 
 namespace MalwareMultiScan.Backends.Backends.Abstracts
 {
@@ -23,13 +22,6 @@ namespace MalwareMultiScan.Backends.Backends.Abstracts
             return await ScanAsync(uriStream, cancellationToken);
         }
 
-        public async Task<string[]> ScanAsync(IFormFile file, CancellationToken cancellationToken)
-        {
-            await using var fileStream = file.OpenReadStream();
-
-            return await ScanAsync(fileStream, cancellationToken);
-        }
-
         public async Task<string[]> ScanAsync(Stream stream, CancellationToken cancellationToken)
         {
             var tempFile = Path.GetTempFileName();

MalwareMultiScan.Backends/Backends/Implementations/DummyScanBackend.cs

@@ -3,7 +3,6 @@ using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using MalwareMultiScan.Backends.Interfaces;
-using Microsoft.AspNetCore.Http;
 
 namespace MalwareMultiScan.Backends.Backends.Implementations
 {
@@ -21,11 +20,6 @@ namespace MalwareMultiScan.Backends.Backends.Implementations
             return Scan();
         }
 
-        public Task<string[]> ScanAsync(IFormFile file, CancellationToken cancellationToken)
-        {
-            return Scan();
-        }
-
         public Task<string[]> ScanAsync(Stream stream, CancellationToken cancellationToken)
         {
             return Scan();

MalwareMultiScan.Backends/Dockerfiles/Clamav.Dockerfile

@@ -1,4 +1,4 @@
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 ENV DEBIAN_FRONTEND noninteractive
 

MalwareMultiScan.Backends/Dockerfiles/Comodo.Dockerfile

@@ -1,4 +1,4 @@
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 RUN apt-get update && apt-get install wget -y
 

MalwareMultiScan.Backends/Dockerfiles/DrWeb.Dockerfile

@@ -1,4 +1,4 @@
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 ARG DRWEB_KEY
 ENV DRWEB_KEY=$DRWEB_KEY

MalwareMultiScan.Backends/Dockerfiles/KES.Dockerfile

@@ -1,4 +1,4 @@
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 ARG KES_KEY
 ENV KES_KEY=$KES_KEY

MalwareMultiScan.Backends/Dockerfiles/McAfee.Dockerfile

@@ -1,4 +1,4 @@
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 RUN apt-get update && apt-get install unzip wget -y
 

MalwareMultiScan.Backends/Dockerfiles/Sophos.Dockerfile

@@ -1,4 +1,4 @@
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 RUN apt-get update && apt-get install wget -y
 

MalwareMultiScan.Backends/Dockerfiles/WindowsDefender.Dockerfile

@@ -11,7 +11,7 @@ WORKDIR /opt/loadlibrary/engine
 RUN curl -L "https://go.microsoft.com/fwlink/?LinkID=121721&arch=x86" --output mpan-fe.exe
 RUN cabextract mpan-fe.exe && rm mpan-fe.exe
 
-FROM mindcollapse/malware-multi-scan-worker:latest
+FROM mindcollapse/malware-multi-scan-scanner:latest
 
 RUN apt-get update && apt-get install -y libc6-i386
 

MalwareMultiScan.Backends/Interfaces/IScanBackend.cs

@@ -2,17 +2,14 @@ using System;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http;
 
 namespace MalwareMultiScan.Backends.Interfaces
 {
     public interface IScanBackend
     {
         public string Id { get; }
-
         public Task<string[]> ScanAsync(string path, CancellationToken cancellationToken);
         public Task<string[]> ScanAsync(Uri uri, CancellationToken cancellationToken);
-        public Task<string[]> ScanAsync(IFormFile file, CancellationToken cancellationToken);
         public Task<string[]> ScanAsync(Stream stream, CancellationToken cancellationToken);
     }
 }

MalwareMultiScan.Backends/MalwareMultiScan.Backends.csproj

@@ -4,12 +4,9 @@
         <TargetFramework>netcoreapp3.1</TargetFramework>
     </PropertyGroup>
     
-    <ItemGroup>
-      <ProjectReference Include="..\MalwareMultiScan.Shared\MalwareMultiScan.Shared.csproj" />
-    </ItemGroup>
-
     <ItemGroup>
       <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.9" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.1.9" />
     </ItemGroup>
 
 </Project>

MalwareMultiScan.Backends/Messages/ScanResultMessage.cs

@@ -4,6 +4,8 @@ namespace MalwareMultiScan.Backends.Messages
     {
         public string Id { get; set; }
         public string Backend { get; set; }
+
+        public bool Succeeded { get; set; }
         public string[] Threats { get; set; }
     }
 }

MalwareMultiScan.Scanner/Dockerfile

@@ -2,11 +2,10 @@ FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS builder
 
 WORKDIR /src
 
-COPY MalwareMultiScan.Worker /src/MalwareMultiScan.Worker
+COPY MalwareMultiScan.Worker /src/MalwareMultiScan.Scanner
-COPY MalwareMultiScan.Shared /src/MalwareMultiScan.Shared
 COPY MalwareMultiScan.Backends /src/MalwareMultiScan.Backends
 
-RUN dotnet publish -c Release -r linux-x64 -o ./publish MalwareMultiScan.Worker/MalwareMultiScan.Worker.csproj
+RUN dotnet publish -c Release -r linux-x64 -o ./publish MalwareMultiScan.Scanner/MalwareMultiScan.Scanner.csproj
 
 FROM mcr.microsoft.com/dotnet/core/aspnet:3.1
 
@@ -14,7 +13,4 @@ WORKDIR /worker
 
 COPY --from=builder /src/publish /worker
 
-ENV ASPNETCORE_ENVIRONMENT=Production
+ENTRYPOINT ["/worker/MalwareMultiScan.Scanner"]
-ENV ASPNETCORE_URLS=http://+:9901
-
-ENTRYPOINT ["/worker/MalwareMultiScan.Worker"]

MalwareMultiScan.Scanner/MalwareMultiScan.Scanner.csproj

@@ -11,10 +11,5 @@
 
     <ItemGroup>
       <ProjectReference Include="..\MalwareMultiScan.Backends\MalwareMultiScan.Backends.csproj" />
-      <ProjectReference Include="..\MalwareMultiScan.Shared\MalwareMultiScan.Shared.csproj" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <_ContentIncludedByDefault Remove="Properties\launchSettings.json" />
     </ItemGroup>
 </Project>

MalwareMultiScan.Scanner/Services/ScanHostedService.cs

@@ -56,28 +56,35 @@ namespace MalwareMultiScan.Scanner.Services
             var cancellationTokenSource = new CancellationTokenSource(
                 TimeSpan.FromSeconds(_configuration.GetValue<int>("MaxScanningTime")));
 
-            try
-            {
             var result = new ScanResultMessage
             {
                 Id = message.Id,
-                    Backend = _backend.Id,
+                Backend = _backend.Id
-
-                    Threats = await _backend.ScanAsync(
-                        message.Uri, cancellationTokenSource.Token)
             };
 
+            try
+            {
+                result.Threats = await _backend.ScanAsync(
+                    message.Uri, cancellationTokenSource.Token);
+
+                result.Succeeded = true;
+
                 _logger.LogInformation(
                     $"Backend {_backend.Id} completed a scan of {message.Id} " +
                     $"with result '{string.Join(", ", result.Threats)}'");
-
-                await _bus.SendAsync(_configuration.GetValue<string>("ResultsSubscriptionId"), result);
             }
             catch (Exception exception)
             {
+                result.Succeeded = false;
+
                 _logger.LogError(
                     exception, "Scanning failed with exception");
             }
+            finally
+            {
+                await _bus.SendAsync(
+                    _configuration.GetValue<string>("ResultsSubscriptionId"), result);
+            }
         }
     }
 }