sam/Foxnouns.NET
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feat(backend): add more params to POST /users/@me/members

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sam 2024-07-14 21:25:23 +02:00
parent fb34464199
commit a069d0ff15
Signed by: sam
GPG key ID: B4EF20DDE721CAA1
6 changed files with 74 additions and 23 deletions
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36
Foxnouns.Backend/Utils/ValidationUtils.cs
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@ -9,6 +9,9 @@ public static class ValidationUtils
{
private static readonly Regex UsernameRegex = new("^[\\w-.]{2,40}$", RegexOptions.IgnoreCase);
private static readonly Regex MemberRegex =
new("^[^@\\?!#/\\\\[\\]\"\\{\\}'$%&()+<=>^|~`,\\*]{1,100}$", RegexOptions.IgnoreCase);
private static readonly string[] InvalidUsernames =
[
"..",
@ -23,7 +26,16 @@ public static class ValidationUtils
"pronouns.cc",
"pronounscc"
];
private static readonly string[] InvalidMemberNames =
[
// these break routing outright
".",
"..",
// the user edit page lives at `/@{username}/edit`, so a member named "edit" would be inaccessible
"edit"
];
public static ValidationError? ValidateUsername(string username)
{
if (!UsernameRegex.IsMatch(username))
@ -32,7 +44,8 @@ public static class ValidationUtils
< 2 => ValidationError.LengthError("Username is too short", 2, 40, username.Length),
> 40 => ValidationError.LengthError("Username is too long", 2, 40, username.Length),
_ => ValidationError.GenericValidationError(
"Username is invalid, can only contain alphanumeric characters, dashes, underscores, and periods", username)
"Username is invalid, can only contain alphanumeric characters, dashes, underscores, and periods",
username)
};
if (InvalidUsernames.Any(u => string.Equals(u, username, StringComparison.InvariantCultureIgnoreCase)))
@ -40,6 +53,25 @@ public static class ValidationUtils
return null;
}
public static ValidationError? ValidateMemberName(string memberName)
{
if (!UsernameRegex.IsMatch(memberName))
return memberName.Length switch
{
< 2 => ValidationError.LengthError("Name is too short", 1, 100, memberName.Length),
> 40 => ValidationError.LengthError("Name is too long", 1, 100, memberName.Length),
_ => ValidationError.GenericValidationError(
"Member name cannot contain any of the following: " +
" @, ?, !, #, /, \\, [, ], \", ', $, %, &, (, ), {, }, +, <, =, >, ^, |, ~, `, , " +
"and cannot be one or two periods",
memberName)
};
if (InvalidMemberNames.Any(u => string.Equals(u, memberName, StringComparison.InvariantCultureIgnoreCase)))
return ValidationError.GenericValidationError("Name is not allowed", memberName);
return null;
}
public static void Validate(IEnumerable<(string, ValidationError?)> errors)
{
errors = errors.Where(e => e.Item2 != null).ToList();