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Replace raw environment variable reads with IConfiguration in backend

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Aaron Po
2026-08-22 20:26:13 -04:00
parent c380bebdd6
commit 6a44afd6b6
17 changed files with 291 additions and 100 deletions
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23
web/backend/Infrastructure/Infrastructure.Email/SmtpEmailProvider.cs
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@@ -1,12 +1,13 @@
using MailKit.Net.Smtp;
using MailKit.Security;
using Microsoft.Extensions.Configuration;
using MimeKit;
namespace Infrastructure.Email;
/// <summary>
/// SMTP email service implementation using MailKit.
/// Configured via environment variables.
/// Configured via application configuration (backed by environment variables).
/// </summary>
public class SmtpEmailProvider : IEmailProvider
{
@@ -20,35 +21,35 @@ public class SmtpEmailProvider : IEmailProvider
/// <summary>
/// Initializes a new instance of the <see cref="SmtpEmailProvider" /> class, reading SMTP configuration
/// from environment variables (<c>SMTP_HOST</c>, <c>SMTP_PORT</c>, <c>SMTP_USERNAME</c>,
/// <c>SMTP_PASSWORD</c>, <c>SMTP_USE_SSL</c>, <c>SMTP_FROM_EMAIL</c>, <c>SMTP_FROM_NAME</c>).
/// (<c>SMTP_HOST</c>, <c>SMTP_PORT</c>, <c>SMTP_USERNAME</c>, <c>SMTP_PASSWORD</c>, <c>SMTP_USE_SSL</c>,
/// <c>SMTP_FROM_EMAIL</c>, <c>SMTP_FROM_NAME</c>) from <paramref name="configuration" />.
/// </summary>
/// <exception cref="InvalidOperationException">
/// Thrown when <c>SMTP_HOST</c> or <c>SMTP_FROM_EMAIL</c> is not set, or when <c>SMTP_PORT</c> is not a valid integer.
/// </exception>
public SmtpEmailProvider()
public SmtpEmailProvider(IConfiguration configuration)
{
_host =
Environment.GetEnvironmentVariable("SMTP_HOST")
configuration["SMTP_HOST"]
?? throw new InvalidOperationException("SMTP_HOST environment variable is not set");
string portString = Environment.GetEnvironmentVariable("SMTP_PORT") ?? "587";
string portString = configuration["SMTP_PORT"] ?? "587";
if (!int.TryParse(portString, out _port))
throw new InvalidOperationException($"SMTP_PORT '{portString}' is not a valid integer");
_username = Environment.GetEnvironmentVariable("SMTP_USERNAME");
_password = Environment.GetEnvironmentVariable("SMTP_PASSWORD");
_username = configuration["SMTP_USERNAME"];
_password = configuration["SMTP_PASSWORD"];
string useSslString = Environment.GetEnvironmentVariable("SMTP_USE_SSL") ?? "true";
string useSslString = configuration["SMTP_USE_SSL"] ?? "true";
_useSsl = bool.Parse(useSslString);
_fromEmail =
Environment.GetEnvironmentVariable("SMTP_FROM_EMAIL")
configuration["SMTP_FROM_EMAIL"]
?? throw new InvalidOperationException(
"SMTP_FROM_EMAIL environment variable is not set"
);
_fromName = Environment.GetEnvironmentVariable("SMTP_FROM_NAME") ?? "The Biergarten";
_fromName = configuration["SMTP_FROM_NAME"] ?? "The Biergarten";
}
/// <inheritdoc/>