Add project files.

MyOffice.Core/Exec.cs

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+namespace MyOffice.Core;
+
+public enum GeneralExecStatus
+{
+	success,
+	failure,
+	not_found
+}
+
+public class Exec<TResult> : Exec<TResult, GeneralExecStatus>
+	where TResult : class
+{
+	public Exec(TResult result, GeneralExecStatus status) : base(result, status)
+	{
+	}
+
+	public Exec(GeneralExecStatus status) : base(status)
+	{
+	}
+
+	public Exec() : base(GeneralExecStatus.success)
+	{
+	}
+
+	public new Exec<TResult> Set(GeneralExecStatus status)
+	{
+		Status = status;
+
+		return this;
+	}
+
+	public new Exec<TResult> Set(TResult? result)
+	{
+		Result = result;
+		Status = result == null ? GeneralExecStatus.failure : GeneralExecStatus.success;
+
+		return this;
+	}
+}
+
+public class Exec<TResult, TStatus>
+	where TResult : class
+	where TStatus : Enum
+{
+	public static Exec<TResult, TStatus> Start(TResult result, TStatus status)
+	{
+		return new Exec<TResult, TStatus>(result, status);
+	}
+
+	public static Exec<TResult, TStatus> Start(TStatus status)
+	{
+		return new Exec<TResult, TStatus>(status);
+	}
+
+	public static Exec<TResult, GeneralExecStatus> StartSuccess()
+	{
+		return new Exec<TResult, GeneralExecStatus>(GeneralExecStatus.success);
+	}
+
+	public static Exec<TResult, GeneralExecStatus> StartFailure()
+	{
+		return new Exec<TResult, GeneralExecStatus>(GeneralExecStatus.failure);
+	}
+
+	public static Exec<TResult, GeneralExecStatus> StartNotFound()
+	{
+		return new Exec<TResult, GeneralExecStatus>(GeneralExecStatus.not_found);
+	}
+
+	public Exec(TResult result, TStatus status)
+	{
+		Result = result;
+		Status = status;
+	}
+
+	public Exec(TStatus status)
+	{
+		Status = status;
+	}
+
+	public TResult? Result { get; internal set; }
+	public TStatus Status { get; internal set; }
+
+	public Exec<TResult, TStatus> Set(TResult result, TStatus status)
+	{
+		Result = result;
+		Status = status;
+
+		return this;
+	}
+
+	public Exec<TResult, TStatus> Set(TStatus status)
+	{
+		Status = status;
+
+		return this;
+	}
+
+	public Exec<TResult, TStatus> Set(TResult result)
+	{
+		Result = result;
+
+		return this;
+	}
+}

MyOffice.Core/Extensions/BoolExtensions.cs

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+namespace MyOffice.Core.Extensions;
+
+public static class BoolExtensions
+{
+	public static string ToLowerCase(this bool value)
+	{
+		return value.ToString().ToLower();
+	}
+
+	public static string? ToLowerCase(this bool? value)
+	{
+		return value == null ? null : value.ToString()?.ToLower();
+	}
+}

MyOffice.Core/Extensions/ClaimsExtensions.cs

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+namespace MyOffice.Core.Extensions;
+
+using System.Security.Claims;
+
+public static class ClaimsExtensions
+{
+	public static string? GetValue(this IEnumerable<Claim> claims, string type)
+	{
+		return claims.FirstOrDefault(x => x.Type.Equals(type, StringComparison.OrdinalIgnoreCase))?.Value;
+	}
+
+	public static string? GetValue(this IEnumerable<Claim> claims, string[] types)
+	{
+		return claims.FirstOrDefault(x => types.Any(z => x.Type.Equals(z, StringComparison.OrdinalIgnoreCase)))?.Value;
+	}
+
+	public static string? GetEmail(this IEnumerable<Claim> claims)
+	{
+		return GetValue(claims, new[] { ClaimTypes.Email, "email" });
+	}
+
+	public static string? GetNameIdentifier(this IEnumerable<Claim> claims)
+	{
+		return GetValue(claims, ClaimTypes.NameIdentifier);
+	}
+
+	public static string? GetSID(this IEnumerable<Claim> claims)
+	{
+		return GetValue(claims, "sid");
+	}
+}

MyOffice.Core/Extensions/GuidExtensions.cs

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+namespace MyOffice.Core.Extensions;
+
+public static class GuidExtensions
+{
+	public static bool EqualsString(this Guid guid, string str)
+	{
+		return guid.ToString().EqualsIgnoreCase(str);
+	}
+}

MyOffice.Core/Extensions/StringExtensions.cs

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+namespace MyOffice.Core.Extensions;
+
+public static class StringExtensions
+{
+	public static bool IsMissing(this string? str)
+	{
+		return str == null || string.IsNullOrEmpty(str) || string.IsNullOrEmpty(str.Trim());
+	}
+
+	public static bool IsPresent(this string? str)
+	{
+		return !IsMissing(str);
+	}
+
+	public static string? NullIfEmpty(this string? str)
+	{
+		return IsMissing(str) ? null : str;
+	}
+
+	public static bool EqualsIgnoreCase(this string? str, string? value)
+	{
+		return str != null && str.Equals(value, StringComparison.OrdinalIgnoreCase);
+	}
+
+	public static bool AsBool(this string? str, bool defaultValue = false)
+	{
+		return true.ToString().Equals(str, StringComparison.OrdinalIgnoreCase) || defaultValue;
+	}
+}

MyOffice.Core/Identity/IExternalProviderValidator.cs

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+namespace MyOffice.Core.Identity;
+
+using System;
+using System.Diagnostics.Contracts;
+
+public interface IExternalProviderValidator
+{
+	string Provider { get; }
+	public bool IsConfigured { get; }
+
+	Task<ExternalProviderValidatorResult> ValidateAsync(string token);
+}
+
+public class ExternalProviderValidatorResult
+{
+	public static ExternalProviderValidatorResult Failed()
+	{
+		return new ExternalProviderValidatorResult();
+	}
+
+	public static ExternalProviderValidatorResult Success(string email, bool emailVerified, string externalId,
+		string? fullName)
+	{
+		return new ExternalProviderValidatorResult(email, emailVerified, externalId, fullName);
+	}
+
+	public ExternalProviderValidatorResult()
+	{
+		IsSuccessed = false;
+	}
+
+	public ExternalProviderValidatorResult(string email, bool emailVerified, string externalId, string? fullName) :
+		this()
+	{
+		Email = email;
+		EmailVerified = emailVerified;
+		IsSuccessed = true;
+		ExternalId = externalId;
+		FullName = fullName;
+	}
+
+	public bool IsSuccessed { get; }
+	public string? Email { get; }
+	public bool EmailVerified { get; }
+	public string? ExternalId { get; }
+	public string? FullName { get; }
+}

MyOffice.Core/MyOffice.Core.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Serilog.Extensions.Logging.File" Version="3.0.0" />
+  </ItemGroup>
+
+</Project>