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/*
* Copyright (c) 2023 Vaughn Nugent
*
* Library: CMNext
* Package: Content.Publishing.Blog.Admin
* File: FeedMeta.cs
*
* CMNext is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* CMNext is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*/
using System.Text.Json.Serialization;
using System.Text.RegularExpressions;
using FluentValidation;
using VNLib.Plugins.Extensions.Validation;
namespace Content.Publishing.Blog.Admin.Model
{
internal class FeedMeta : IBlogFeedContext
{
private static readonly Regex FileNameRegex = new(@"^[a-zA-Z0-9_.\-]+$", RegexOptions.Compiled);
private static readonly Regex HttpUrlRegex = new(@"^https?://", RegexOptions.Compiled | RegexOptions.IgnoreCase);
[JsonPropertyName("url")]
public string PublihUrl { get; set; } = string.Empty;
[JsonPropertyName("path")]
public string FeedPath { get; set; } = string.Empty;
[JsonPropertyName("image")]
public string ImageUrl { get; set; } = string.Empty;
[JsonPropertyName("description")]
public string? Description { get; set; }
[JsonPropertyName("maxItems")]
public int? MaxItems { get; set; }
[JsonPropertyName("author")]
public string? Author { get; set; }
[JsonPropertyName("contact")]
public string? WebMaster { get; set; }
[JsonPropertyName("properties")]
public ExtendedProperty[]? ExtendedProperties { get; set; }
public static IValidator<FeedMeta> GetValidator()
{
InlineValidator<FeedMeta> validator = new();
validator.RuleFor(x => x.PublihUrl)
.NotEmpty()
.MaximumLength(200)
.Matches(HttpUrlRegex)
.WithMessage("Your feed url is not a valid http url");
validator.RuleFor(x => x.FeedPath)
.NotEmpty()
.MaximumLength(200)
.Must(static p => !p.StartsWith('/') && !p.StartsWith('\\'))
.WithMessage("The feed file path must not contain a leading slash")
.Matches(FileNameRegex)
.WithMessage("The feed file name is not valid");
validator.RuleFor(x => x.ImageUrl)
.MaximumLength(200)
.Must(static x => string.IsNullOrWhiteSpace(x) || HttpUrlRegex.IsMatch(x))
.WithMessage("The image url is not a valid http url");
validator.RuleFor(x => x.Description!)
.NotEmpty()
.IllegalCharacters()
.MaximumLength(200);
//Cap max items at 100
validator.RuleFor(x => x.MaxItems)
.InclusiveBetween(1, 100);
validator.RuleFor(x => x.Author!)
.SpecialCharacters()
.MaximumLength(200);
validator.RuleFor(x => x.WebMaster!)
.IllegalCharacters()
.MaximumLength(200);
//Make sure the keys for each propery are valid
validator.RuleForEach(x => x.ExtendedProperties)
.ChildRules(r => r.RuleFor(k => k.Name!).IllegalCharacters())
.When(x => x.ExtendedProperties != null);
return validator;
}
}
}
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