Add files to database.

Marechai.Database/Migrations/20200610215731_AddFiles.cs

@@ -0,0 +1,88 @@
+/******************************************************************************
+// MARECHAI: Master repository of computing history artifacts information
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2003-2020 Natalia Portillo
+*******************************************************************************/
+
+using System;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Marechai.Database.Migrations
+{
+    public partial class AddFiles : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable("Files", table => new
+            {
+                Id = table.Column<ulong>(nullable: false).
+                           Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.IdentityColumn),
+                CreatedOn = table.Column<DateTime>(nullable: false).
+                                  Annotation("MySql:ValueGenerationStrategy",
+                                             MySqlValueGenerationStrategy.IdentityColumn),
+                UpdatedOn = table.Column<DateTime>(nullable: false).
+                                  Annotation("MySql:ValueGenerationStrategy",
+                                             MySqlValueGenerationStrategy.ComputedColumn),
+                Size = table.Column<ulong>(nullable: false), Md5 = table.Column<byte[]>("binary(16)", nullable: true),
+                Sha1 = table.Column<byte[]>("binary(20)", nullable: true),
+                Sha256 = table.Column<byte[]>("binary(32)", nullable: true),
+                Sha3 = table.Column<byte[]>("binary(64)", nullable: true),
+                Spamsum = table.Column<string>(nullable: true), Mime = table.Column<string>(nullable: true),
+                Magic = table.Column<string>(nullable: true), AccoustId = table.Column<string>(nullable: true),
+                Infected = table.Column<bool>(nullable: false), Malware = table.Column<string>(nullable: true),
+                Hack = table.Column<bool>(nullable: false), HackGroup = table.Column<string>(nullable: true)
+            }, constraints: table =>
+            {
+                table.PrimaryKey("PK_Files", x => x.Id);
+            });
+
+            migrationBuilder.CreateIndex("IX_Files_AccoustId", "Files", "AccoustId");
+
+            migrationBuilder.CreateIndex("IX_Files_Hack", "Files", "Hack");
+
+            migrationBuilder.CreateIndex("IX_Files_HackGroup", "Files", "HackGroup");
+
+            migrationBuilder.CreateIndex("IX_Files_Infected", "Files", "Infected");
+
+            migrationBuilder.CreateIndex("IX_Files_Magic", "Files", "Magic");
+
+            migrationBuilder.CreateIndex("IX_Files_Malware", "Files", "Malware");
+
+            migrationBuilder.CreateIndex("IX_Files_Md5", "Files", "Md5");
+
+            migrationBuilder.CreateIndex("IX_Files_Mime", "Files", "Mime");
+
+            migrationBuilder.CreateIndex("IX_Files_Sha1", "Files", "Sha1");
+
+            migrationBuilder.CreateIndex("IX_Files_Sha256", "Files", "Sha256");
+
+            migrationBuilder.CreateIndex("IX_Files_Sha3", "Files", "Sha3");
+
+            migrationBuilder.CreateIndex("IX_Files_Size", "Files", "Size");
+
+            migrationBuilder.CreateIndex("IX_Files_Spamsum", "Files", "Spamsum");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder) => migrationBuilder.DropTable("Files");
+    }
+}

Marechai.Database/Models/File.cs

@@ -0,0 +1,55 @@
+/******************************************************************************
+// MARECHAI: Master repository of computing history artifacts information
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2003-2020 Natalia Portillo
+*******************************************************************************/
+
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Marechai.Database.Models
+{
+    public class DbFile : BaseModel<ulong>
+    {
+        [Required]
+        public ulong Size { get; set; }
+        [Column(TypeName = "binary(16)")]
+        public string Md5 { get; set; }
+        [Column(TypeName = "binary(20)")]
+        public string Sha1 { get; set; }
+        [Column(TypeName = "binary(32)")]
+        public string Sha256 { get; set; }
+        [Column(TypeName = "binary(64)")]
+        public string Sha3 { get;      set; }
+        public string Spamsum   { get; set; }
+        public string Mime      { get; set; }
+        public string Magic     { get; set; }
+        public string AccoustId { get; set; }
+        [DefaultValue(false)]
+        public bool Infected { get;  set; }
+        public string Malware { get; set; }
+        [DefaultValue(false)]
+        public bool Hack { get;        set; }
+        public string HackGroup { get; set; }
+    }
+}

Marechai.Database/Models/MarechaiContext.cs

@@ -25,15 +25,21 @@
 
 using System.Collections.Generic;
 using System.Threading.Tasks;
+using Marechai.Database.Schemas;
 using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.ChangeTracking;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using Microsoft.Extensions.Configuration;
 
 namespace Marechai.Database.Models
 {
     public class MarechaiContext : IdentityDbContext<ApplicationUser, ApplicationRole, string>
     {
+        readonly ValueConverter<string, byte[]> hexToBytesConverter =
+            new ValueConverter<string, byte[]>(v => HexStringToBytesConverter.StringToHex(v),
+                                               v => HexStringToBytesConverter.HexToString(v));
+
         public MarechaiContext() { }
 
         public MarechaiContext(DbContextOptions<MarechaiContext> options) : base(options) { }
@@ -100,6 +106,7 @@ namespace Marechai.Database.Models
         public virtual DbSet<CurrencyInflation>                   CurrenciesInflation                 { get; set; }
         public virtual DbSet<CurrencyPegging>                     CurrenciesPegging                   { get; set; }
         public virtual DbSet<DumpHardware>                        DumpHardwares                       { get; set; }
+        public virtual DbSet<DbFile>                              Files                               { get; set; }
 
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
@@ -1585,6 +1592,28 @@ namespace Marechai.Database.Models
                 entity.HasIndex(e => e.SoftwareVersion);
                 entity.HasIndex(e => e.SoftwareOperatingSystem);
             });
+
+            modelBuilder.Entity<DbFile>(entity =>
+            {
+                entity.Property(e => e.Md5).HasConversion(hexToBytesConverter);
+                entity.Property(e => e.Sha1).HasConversion(hexToBytesConverter);
+                entity.Property(e => e.Sha256).HasConversion(hexToBytesConverter);
+                entity.Property(e => e.Sha3).HasConversion(hexToBytesConverter);
+
+                entity.HasIndex(e => e.Size);
+                entity.HasIndex(e => e.Md5);
+                entity.HasIndex(e => e.Sha1);
+                entity.HasIndex(e => e.Sha256);
+                entity.HasIndex(e => e.Sha3);
+                entity.HasIndex(e => e.Spamsum);
+                entity.HasIndex(e => e.Mime);
+                entity.HasIndex(e => e.Magic);
+                entity.HasIndex(e => e.AccoustId);
+                entity.HasIndex(e => e.Infected);
+                entity.HasIndex(e => e.Malware);
+                entity.HasIndex(e => e.Hack);
+                entity.HasIndex(e => e.HackGroup);
+            });
         }
     }
 }

Marechai.Database/Schemas/HexStringToBytesConverter.cs

@@ -0,0 +1,87 @@
+/******************************************************************************
+// MARECHAI: Master repository of computing history artifacts information
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2003-2020 Natalia Portillo
+*******************************************************************************/
+
+using System;
+
+namespace Marechai.Database.Schemas
+{
+    public static class HexStringToBytesConverter
+    {
+        public static byte[] StringToHex(string v)
+        {
+            byte[] hex = new byte[v.Length / 2];
+            string str = v.ToLowerInvariant();
+
+            for(int i = 0; i < hex.Length; i++)
+            {
+                char c0 = str[i * 2];
+                char c1 = str[(i * 2) + 1];
+
+                if(c0 >= 0x30 &&
+                   c0 <= 0x39)
+                    hex[i] += (byte)((c0 - 0x30) * 16);
+                else if(c0 >= 0x61 &&
+                        c0 <= 0x66)
+                    hex[i] += (byte)((c0 - 0x57) * 16);
+                else
+                    throw new ArgumentOutOfRangeException();
+
+                if(c1 >= 0x30 &&
+                   c1 <= 0x39)
+                    hex[i] += (byte)(c1 - 0x30);
+                else if(c1 >= 0x61 &&
+                        c1 <= 0x66)
+                    hex[i] += (byte)(c1 - 0x57);
+                else
+                    throw new ArgumentOutOfRangeException();
+            }
+
+            return hex;
+        }
+
+        public static string HexToString(byte[] v)
+        {
+            char[] chars = new char[v.Length * 2];
+
+            for(int i = 0; i < v.Length; i++)
+            {
+                int c0 = v[i] / 0x10;
+                int c1 = v[i] & 0xF;
+
+                if(c0 >= 10)
+                    chars[i * 2] = (char)(c0 + 0x57);
+                else
+                    chars[i * 2] = (char)(c0 + 0x30);
+
+                if(c1 >= 10)
+                    chars[(i * 2) + 1] = (char)(c1 + 0x57);
+                else
+                    chars[(i * 2) + 1] = (char)(c1 + 0x30);
+            }
+
+            return new string(chars);
+        }
+    }
+}

Marechai/Marechai.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
-    <Version>4.0.0.1662</Version>
+    <Version>4.0.0.1669</Version>
     <Company>Canary Islands Computer Museum</Company>
     <Copyright>Copyright © 2003-2020 Natalia Portillo</Copyright>
     <Product>Canary Islands Computer Museum Website</Product>