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feat: Validate AccountSid on Init #533

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14 changes: 12 additions & 2 deletions src/Twilio/Clients/TwilioRestClient.cs
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ public class TwilioRestClient : ITwilioRestClient
/// <summary>
/// Account SID to use for requests
/// </summary>
public string AccountSid { get; }
public string AccountSid => _accountSid ?? throw new ArgumentException("AccountSID not set in " + nameof(TwilioClient) + "." + nameof(TwilioClient.Init));
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It's a bit odd having the getter throw an exception, but I can't think of a better solution that doesn't touch hundreds of files.


/// <summary>
/// Twilio region to make requests to
Expand All @@ -42,6 +42,7 @@ public class TwilioRestClient : ITwilioRestClient

private readonly string _username;
private readonly string _password;
private readonly string _accountSid;

/// <summary>
/// Constructor for a TwilioRestClient
Expand All @@ -65,7 +66,16 @@ public TwilioRestClient(
_username = username;
_password = password;

AccountSid = accountSid ?? username;
_accountSid = accountSid;
//Validate prefix in accountSid, https://www.twilio.com/docs/glossary/what-is-a-sid#common-sid-prefixes
if (_accountSid?.StartsWith("AC", StringComparison.Ordinal) == false)
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Logic looks sound to me, but some tests would ease my mind more.

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Thanks, I will see what I can do about adding tests.

throw new ArgumentException("AccountSid must start with \"AC\"", nameof(accountSid));
if (_accountSid == null)
{
if (username.StartsWith("AC", StringComparison.Ordinal))
_accountSid = username;
}

HttpClient = httpClient ?? DefaultClient();

Region = region;
Expand Down