452 lines
16 KiB
C#
452 lines
16 KiB
C#
using System;
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using System.Text;
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using System.Collections.Generic;
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using System.IO;
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using Org.BouncyCastle.Security;
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using Org.BouncyCastle.Crypto;
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using Org.BouncyCastle.OpenSsl;
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namespace rockfishCore.Util
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{
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//Key generator controller
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public static class RavenKeyFactory
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{
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//Sept 2022 decided all trial periods are 7 days, they can keep renewing a new trial by erasing data or request a longer period case by case
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public const int TRIAL_PERIOD_DAYS = 7;
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//Unlicensed token
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private const string UNLICENSED_TOKEN = "UNLICENSED";
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//REVOKED token
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public const string REVOKED_TOKEN = "REVOKED";
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//LICENSE USER COUNT FEATURES
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//SUBSCRIPTION
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private const string ACTIVE_INTERNAL_USERS_FEATURE_NAME = "ActiveInternalUsers";
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private const string ACTIVE_CUSTOMER_USERS_FEATURE_NAME = "ActiveCustomerUsers";
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private const string MAXIMUM_DATA_GB_FEATURE_NAME = "MaximumDataGB";
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//Add-on's / integrations
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//This feature name means it's a trial key
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private const string TRIAL_FEATURE_NAME = "TrialMode";
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#region license classes
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//DTO object returned on license query
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public class LicenseFeature
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{
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//name of feature / product
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public string Feature { get; set; }
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//Optional count for items that require it
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public long Count { get; set; }
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}
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//DTO object for parsed key
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internal class AyaNovaLicenseKey
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{
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public AyaNovaLicenseKey()
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{
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Features = new List<LicenseFeature>();
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RegisteredTo = UNLICENSED_TOKEN;
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//Id = RegisteredTo;
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LicenseFormat = "8";
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var vv = Math.Truncate((DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds);
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string sId = vv.ToString();
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if (sId.Contains(","))
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sId = sId.Split('.')[0];
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Id = sId;
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}
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public override string ToString()
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{
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System.Text.StringBuilder sb = new StringBuilder();
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sb.AppendLine($"Registered to: {RegisteredTo}");
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sb.AppendLine($"Database id: {DbId}");
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sb.AppendLine($"Type: {(Perpetual ? "Perpetual" : "Subscription")}");
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if (WillExpire)
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sb.AppendLine($"Available for use until: {LicenseExpiration.ToLongDateString()}");
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if (Perpetual)
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sb.AppendLine($"Support and updates available until: {MaintenanceExpiration.ToLongDateString()}");
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foreach (LicenseFeature f in Features)
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{
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if (f.Feature == TRIAL_FEATURE_NAME)
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{
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sb.AppendLine("Temporary license for evaluation");
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continue;
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}
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//default for items added later not tokenized
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if (f.Count > 0)
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sb.AppendLine($"{f.Feature}: {f.Count}");
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else
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sb.AppendLine($"{f.Feature}");
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}
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return sb.ToString();
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}
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public bool IsEmpty
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{
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get
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{
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//Key is empty if it's not registered to anyone or there are no features in it
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return string.IsNullOrWhiteSpace(RegisteredTo) || (Features == null || Features.Count == 0);
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}
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}
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/// <summary>
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/// Fetch the license status of the feature in question
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/// </summary>
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/// <param name="Feature"></param>
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/// <returns>LicenseFeature object or null if there is no license</returns>
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public LicenseFeature GetLicenseFeature(string Feature)
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{
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if (IsEmpty)
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return null;
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string lFeature = Feature.ToLowerInvariant();
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foreach (LicenseFeature l in Features)
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{
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if (l.Feature.ToLowerInvariant() == lFeature)
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{
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return l;
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}
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}
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return null;
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}
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/// <summary>
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/// Check for the existance of license feature
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/// </summary>
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/// <param name="Feature"></param>
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/// <returns>bool</returns>
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public bool HasLicenseFeature(string Feature)
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{
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if (IsEmpty)
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return false;
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string lFeature = Feature.ToLowerInvariant();
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foreach (LicenseFeature l in Features)
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{
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if (l.Feature.ToLowerInvariant() == lFeature)
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{
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return true;
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}
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}
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return false;
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}
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public bool WillExpire
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{
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get
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{
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return LicenseExpiration < DateUtil.EmptyDateValue;
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}
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}
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public bool LicenseExpired
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{
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get
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{
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return LicenseExpiration > DateTime.Now;
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}
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}
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public bool MaintenanceExpired
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{
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get
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{
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return MaintenanceExpiration > DateTime.Now;
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}
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}
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public bool TrialLicense
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{
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get
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{
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return HasLicenseFeature(TRIAL_FEATURE_NAME);
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}
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}
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public string LicenseFormat { get; set; }
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public string Id { get; set; }
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public string RegisteredTo { get; set; }
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public string DbId { get; set; }
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public bool Perpetual { get; set; }
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public DateTime LicenseExpiration { get; set; }
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public DateTime MaintenanceExpiration { get; set; }
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public List<LicenseFeature> Features { get; set; }
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}
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#endregion
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public static string GetRavenTrialKey(string dbid, string CompanyName, bool Perpetual)
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{
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//Build a sample test key, sign it and return it
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AyaNovaLicenseKey k = new AyaNovaLicenseKey();
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k.LicenseFormat = "8";
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k.RegisteredTo = CompanyName;
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k.DbId = dbid;
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k.Perpetual = Perpetual;
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//flag as trial key not regular key
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k.Features.Add(new LicenseFeature() { Feature = TRIAL_FEATURE_NAME, Count = 0 });
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if (Perpetual)
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{
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//trial period time limit
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k.MaintenanceExpiration = k.LicenseExpiration = DateTime.UtcNow.AddDays(TRIAL_PERIOD_DAYS);
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//5k inside staff users will cover huge seeding level easily
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k.Features.Add(new LicenseFeature() { Feature = ACTIVE_INTERNAL_USERS_FEATURE_NAME, Count = 5000 });
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}
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else
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{
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//SUBSCRIPTION
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//trial period time limit
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k.MaintenanceExpiration = k.LicenseExpiration = DateTime.UtcNow.AddDays(TRIAL_PERIOD_DAYS);
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//20k customer contacts will cover huge seeding level easily
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//5k inside staff users will cover huge seeding level easily
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k.Features.Add(new LicenseFeature() { Feature = ACTIVE_INTERNAL_USERS_FEATURE_NAME, Count = 5000 });
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k.Features.Add(new LicenseFeature() { Feature = ACTIVE_CUSTOMER_USERS_FEATURE_NAME, Count = 20000 });
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k.Features.Add(new LicenseFeature() { Feature = MAXIMUM_DATA_GB_FEATURE_NAME, Count = 20 });
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}
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return GenerateRavenKey(k);
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}
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// //TESTING ONLY this is for development purposes only
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// //No external usage
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// public static string GetRavenTestKey(string dbid, bool Perpetual)
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// {
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// //Build a sample test key, sign it and return it
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// AyaNovaLicenseKey k = new AyaNovaLicenseKey();
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// k.LicenseFormat = "8";
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// k.RegisteredTo = "GZ TestCo Inc.";
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// k.DbId = dbid;
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// k.Perpetual = Perpetual;
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// if (Perpetual)
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// {
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// k.MaintenanceExpiration = k.LicenseExpiration = DateTime.UtcNow.AddDays(TRIAL_PERIOD_DAYS);
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// //5k inside staff users will cover huge seeding level easily
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// k.Features.Add(new LicenseFeature() { Feature = ACTIVE_INTERNAL_USERS_FEATURE_NAME, Count = 5000 });
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// }
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// else
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// {
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// //SUBSCRIPTION
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// k.MaintenanceExpiration = k.LicenseExpiration = DateTime.UtcNow.AddDays(TRIAL_PERIOD_DAYS);
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// //20k customer contacts will cover huge seeding level easily
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// //5k inside staff users will cover huge seeding level easily
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// k.Features.Add(new LicenseFeature() { Feature = ACTIVE_INTERNAL_USERS_FEATURE_NAME, Count = 5000 });
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// k.Features.Add(new LicenseFeature() { Feature = ACTIVE_CUSTOMER_USERS_FEATURE_NAME, Count = 20000 });
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// k.Features.Add(new LicenseFeature() { Feature = MAXIMUM_DATA_GB_FEATURE_NAME, Count = 20 });
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// }
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// k.Features.Add(new LicenseFeature() { Feature = TRIAL_FEATURE_NAME, Count = 0 });
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// return GenerateRavenKey(k);
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// }
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/// <summary>
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/// RAVEN key generator
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/// </summary>
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/// <returns></returns>
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internal static string GenerateRavenKey(AyaNovaLicenseKey k)
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{
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if (string.IsNullOrWhiteSpace(k.RegisteredTo))
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throw new ArgumentException("RegisteredTo is required", "RegisteredTo");
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// if (k.DbId == Guid.Empty)
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if (string.IsNullOrWhiteSpace(k.DbId))
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throw new ArgumentException("DBId is required", "RegisteredTo");
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try
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{
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StringBuilder sbKey = new StringBuilder();
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StringWriter sw = new StringWriter(sbKey);
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using (Newtonsoft.Json.JsonWriter w = new Newtonsoft.Json.JsonTextWriter(sw))
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{
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w.Formatting = Newtonsoft.Json.Formatting.Indented;
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//outer object start
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w.WriteStartObject();
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w.WritePropertyName("Key");
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w.WriteStartObject();//start of key object
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w.WritePropertyName("LicenseFormat");
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w.WriteValue(k.LicenseFormat);
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w.WritePropertyName("Id");
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w.WriteValue(k.Id);
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w.WritePropertyName("RegisteredTo");
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w.WriteValue(k.RegisteredTo);
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w.WritePropertyName("DBID");
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w.WriteValue(k.DbId);
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w.WritePropertyName("Perpetual");
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w.WriteValue(k.Perpetual);
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w.WritePropertyName("LicenseExpiration");
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w.WriteValue(k.LicenseExpiration);
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w.WritePropertyName("MaintenanceExpiration");
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w.WriteValue(k.MaintenanceExpiration);
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//FEATURES
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// w.WritePropertyName("Features");
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// w.WriteStartObject();
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w.WritePropertyName("Features");
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w.WriteStartArray();
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foreach (LicenseFeature lf in k.Features)
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{
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w.WriteStartObject();
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w.WritePropertyName("Name");
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w.WriteValue(lf.Feature);
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if (lf.Count > 0)
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{
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w.WritePropertyName("Count");
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w.WriteValue(lf.Count);
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}
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w.WriteEndObject();
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}
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//end of features array
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w.WriteEnd();
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//end of features object
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// w.WriteEndObject();
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//end of AyaNova/AyaNovaLite key object
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w.WriteEndObject();
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//close outer 'wrapper' object brace }
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w.WriteEndObject();
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}//end of using statement
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// ## CALCULATE SIGNATURE
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//GET JSON as a string with whitespace stripped outside of delimited strings
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//http://stackoverflow.com/questions/8913138/minify-indented-json-string-in-net
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string keyNoWS = System.Text.RegularExpressions.Regex.Replace(sbKey.ToString(), "(\"(?:[^\"\\\\]|\\\\.)*\")|\\s+", "$1");
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//**** Note this is our real 2016 private key
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var privatePEM = @"-----BEGIN RSA PRIVATE KEY-----
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MIIEpAIBAAKCAQEAz7wrvLDcKVMZ31HFGBnLWL08IodYIV5VJkKy1Z0n2snprhSi
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u3izxTyz+SLpftvKHJpky027ii7l/pL9Bo3JcjU5rKrxXavnE7TuYPjXn16dNLd0
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K/ERSU+pXLmUaVN0nUWuGuUMoGJMEXoulS6pJiG11yu3BM9fL2Nbj0C6a+UwzEHF
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mns3J/daZOb4gAzMUdJfh9OJ0+wRGzR8ZxyC99Na2gDmqYglUkSMjwLTL/HbgwF4
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OwmoQYJBcET0Wa6Gfb17SaF8XRBV5ZtpCsbStkthGeoXZkFriB9c1eFQLKpBYQo2
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DW3H1MPG2nAlQZLbkJj5cSh7/t1bRF08m6P+EQIDAQABAoIBAQCGvTpxLRXgB/Kk
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EtmQBEsMx9EVZEwZeKIqKuDsBP8wvf4/10ql5mhT6kehtK9WhSDW5J2z8DtQKZMs
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SBKuCZE77qH2CPp9E17SPWzQoRbaW/gDlWpYhgf8URs89XH5zxO4XtXKw/4omRlV
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zLYiNR2pifv0EHqpOAg5KGzewdEo4VgXgtRWpHZLMpH2Q0/5ZIKMhstI6vFHP1p7
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jmU4YI6uxiu7rVrZDmIUsAGoTdMabNqK/N8hKaoBiIto0Jn1ck26g+emLg8m160y
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Xciu5yFUU+PP1SJMUs+k1UnAWf4p46X9jRLQCBRue9o0Ntiq/75aljRoDvgdwDsR
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mg4ZANqxAoGBAPBoM5KoMZ4sv8ZFv8V+V8hgL5xiLgGoiwQl91mRsHRM/NQU5A/w
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tH8nmwUrJOrksV7kX9228smKmoliTptyGGyi1NPmSkA7cN9YYnENoOEBHCVNK9vh
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P+bkbMYUDNMW4fgOj09oXtQtMl5E2B3OTGoNwZ2w13YQJ8RIniLPsX7nAoGBAN01
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eQNcUzQk9YrFGTznOs8udDLBfigDxaNnawvPueulJdBy6ZXDDrKmkQQA7xxl8YPr
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dNtBq2lOgnb6+smC15TaAfV/fb8BLmkSwdn4Fy0FApIXIEOnLq+wjkte98nuezl8
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9KXDzaqNI9hPuk2i36tJuLLMH8hzldveWbWjSlRHAoGBAKRPE7CQtBjfjNL+qOta
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RrT0yJWhpMANabYUHNJi+K8ET2jEPnuGkFa3wwPtUPYaCABLJhprB9Unnid3wTIM
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8RSO1ddd9jGgbqy3w9Bw+BvQnmQAMpG9iedNB+r5mSpM4XSgvuIO+4EYwuwbMXpt
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nVx+um4Eh75xnDxTRYGVYkLRAoGAaZVpUlpR+HSfooHbPv+bSWKB4ewLPCw4vHrT
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VErtEfW8q9b9eRcmP81TMFcFykc6VN4g47pfh58KlKHM7DwAjDLWdohIy89TiKGE
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V3acEUfv5y0UoFX+6ara8Ey+9upWdKUY3Lotw3ckoc3EPeQ84DQK7YSSswnAgLaL
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mS/8fWcCgYBjRefVbEep161d2DGruk4X7eNI9TFJ278h6ydW5kK9aTJuxkrtKIp4
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CYf6emoB4mLXFPvAmnsalkhN2iB29hUZCXXSUjpKZrpijL54Wdu2S6ynm7aT97NF
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oArP0E2Vbow3JMxq/oeXmHbrLMLQfYyXwFmciLFigOtkd45bfHdrbA==
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-----END RSA PRIVATE KEY-----";
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PemReader pr = new PemReader(new StringReader(privatePEM));
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AsymmetricCipherKeyPair keys = (AsymmetricCipherKeyPair)pr.ReadObject();
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var encoder = new UTF8Encoding(false, true);
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var inputData = encoder.GetBytes(keyNoWS);
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var signer = SignerUtilities.GetSigner("SHA256WITHRSA");
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signer.Init(true, keys.Private);
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signer.BlockUpdate(inputData, 0, inputData.Length);
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var sign = signer.GenerateSignature();
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var signature = Convert.ToBase64String(sign);
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System.Text.StringBuilder sbOut = new StringBuilder();
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sbOut.AppendLine("[KEY");
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sbOut.AppendLine(sbKey.ToString());
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sbOut.AppendLine("KEY]");
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sbOut.AppendLine("[SIGNATURE");
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sbOut.AppendLine(signature);
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sbOut.AppendLine("SIGNATURE]");
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return sbOut.ToString();
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}
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catch (Exception ex)
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{
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return (ex.Message);
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}
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}
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//eoc
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}
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//eons
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}
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