105 lines
4.3 KiB
C#
105 lines
4.3 KiB
C#
using MessengerApi.Configuration.Enums;
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using MessengerApi.Configuration.Model.Persistence.Base;
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using MessengerApi.Configuration.Parsers;
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using MessengerApi.Configuration.Sources.Environment;
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using Env = MessengerApi.Configuration.Constants.EnvironmentVariables;
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namespace MessengerApi.Configuration.Model
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{
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public class MessengerConfiguration
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{
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/// <summary>
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/// CORS origins.
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/// </summary>
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public string[] Origins { get; set; }
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/// <summary>
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/// List of proxies that are trusted to provide forwarding headers.
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/// </summary>
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public string[] Proxies { get; set; }
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/// <summary>
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/// Persistence layer configs (database).
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/// </summary>
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public PersistenceConfiguration PersistenceConfiguration { get; set; }
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/// <summary>
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/// Limits rate of user calls to not DoS the service.
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/// </summary>
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public int RateLimitPerMinute { get; set; }
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/// <summary>
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/// Message lifetime unless set differently in message body.
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/// </summary>
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public int DefaultMessageTimeToLiveInSeconds { get; set; }
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/// <summary>
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/// If true, messages are periodically wiped to free up space.
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/// </summary>
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public bool HousekeepingEnabled { get; set; }
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/// <summary>
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/// Messages older than value set will be deleted regardless of their delivery state.
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/// </summary>
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public int HousekeepingMessageAgeInMinutes { get; set; }
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/// <summary>
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/// Determines level of log messages displayed.
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/// </summary>
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public LoggingVerbosity Verbosity { get; set; }
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/// <summary>
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/// In addition to <see cref="HousekeepingMessageAgeInMinutes"/> messages of certain state can also be deleted, increasing storage efficiency.
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/// </summary>
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public HousekeepingMessageStates HousekeepingMessageState { get; set; }
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/// <summary>
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/// File containing all user credentials.
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/// </summary>
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public FileInfo UsersConfig { get; set; }
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public MessengerConfiguration() { }
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public MessengerConfiguration(string[] origins, PersistenceConfiguration persistenceConfiguration)
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{
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if (persistenceConfiguration == null)
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{
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throw new ArgumentNullException(nameof(persistenceConfiguration));
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}
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this.PersistenceConfiguration = persistenceConfiguration;
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this.UsersConfig = new FileInfo("./users.conf");
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this.Origins = origins ?? [];
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this.Proxies = [];
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this.RateLimitPerMinute = 120;
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this.DefaultMessageTimeToLiveInSeconds = 60;
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this.HousekeepingEnabled = true;
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this.HousekeepingMessageAgeInMinutes = 120;
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this.HousekeepingMessageState = HousekeepingMessageStates.None;
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this.Verbosity = LoggingVerbosity.Normal;
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}
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public MessengerConfiguration(IEnvironmentConfigurationSource config) : this(
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CorsParser.Parse(config.GetValue<string>(Env.CORS_ORIGINS)),
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EnvironmentPersistenceConfigurationParser.Parse(config))
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{
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Populate<string>(config, Env.PROXIES, x => this.Proxies = ProxiesParser.Parse(x));
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Populate<int>(config, Env.QUERY_RATE_PER_MINUTE, x => this.RateLimitPerMinute = x);
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Populate<int>(config, Env.DEFAULT_MESSAGE_TIME_TO_LIVE_IN_SECONDS, x => this.DefaultMessageTimeToLiveInSeconds = x);
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Populate<bool>(config, Env.HOUSEKEEPING_ENABLED, x => this.HousekeepingEnabled = x);
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Populate<int>(config, Env.HOUSEKEEPING_MESSAGE_AGE_IN_MINUTES, x => this.HousekeepingMessageAgeInMinutes = x);
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Populate<string>(config, Env.HOUSEKEEPING_MESSAGE_STATE, x => this.HousekeepingMessageState = HousekeepingMessageStateParser.Parse(x));
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Populate<string>(config, Env.LOGGING_VERBOSITY, x => this.Verbosity = LoggingVerbosityParser.Parse(x));
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Populate<string>(config, Env.USERSCONFIG_FILE_PATH, x => this.UsersConfig = new FileInfo(x));
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void Populate<T>(IEnvironmentConfigurationSource config, string key, Action<T> set)
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{
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if (config.HasKey(key))
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{
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var value = config.GetValue<T>(key);
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set(value);
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}
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}
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}
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}
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} |