Andreas Müller
135e1a11f3
https://github.com/cloudflare/cloudflare-typescript/blob/v4.4.1/src/resources/shared.ts
79 lines
3.4 KiB
C#
79 lines
3.4 KiB
C#
using System.Text.RegularExpressions;
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namespace AMWD.Net.Api.Cloudflare
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{
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/// <summary>
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/// Extension methods for <see cref="string"/>s.
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/// </summary>
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public static class StringExtensions
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{
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private static readonly Regex _idCheckRegex = new(@"^[0-9a-f]{32}$", RegexOptions.Compiled);
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private static readonly Regex _emailCheckRegex = new(@"^[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$", RegexOptions.Compiled);
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/// <summary>
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/// Validate basic information for a Cloudflare ID.
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/// </summary>
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/// <remarks>
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/// An Cloudflare ID has max. 32 characters.
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/// </remarks>
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/// <param name="id">The string to check.</param>
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/// <exception cref="ArgumentNullException">The <paramref name="id"/> is <see langword="null"/> or any kind of whitespace.</exception>
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/// <exception cref="ArgumentOutOfRangeException">The <paramref name="id"/> has more than 32 characters.</exception>
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public static void ValidateCloudflareId(this string id)
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{
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if (string.IsNullOrWhiteSpace(id))
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throw new ArgumentNullException(nameof(id));
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id.ValidateLength(32, nameof(id));
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if (!_idCheckRegex.IsMatch(id))
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throw new ArgumentException("Invalid Cloudflare ID", nameof(id));
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}
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/// <summary>
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/// Validate basic information for a Cloudflare name.
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/// </summary>
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/// <remarks>
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/// An Cloudflare name has max. 253 characters.
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/// </remarks>
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/// <param name="name">The string to check.</param>
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/// <exception cref="ArgumentNullException">The <paramref name="name"/> is <see langword="null"/> or any kind of whitespace.</exception>
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/// <exception cref="ArgumentOutOfRangeException">The <paramref name="name"/> has more than 253 characters.</exception>
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public static void ValidateCloudflareName(this string name)
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{
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if (string.IsNullOrWhiteSpace(name))
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throw new ArgumentNullException(nameof(name));
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name.ValidateLength(253, nameof(name));
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}
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/// <summary>
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/// Validate basic information for an email address.
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/// </summary>
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/// <param name="emailAddress">The string to check.</param>
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/// <exception cref="ArgumentNullException">The <paramref name="emailAddress"/> is <see langword="null"/> or any kind of whitespace.</exception>
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/// <exception cref="ArgumentException">The <paramref name="emailAddress"/> does not match the regular expression pattern for an email address.</exception>
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public static void ValidateCloudflareEmailAddress(this string emailAddress)
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{
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if (string.IsNullOrWhiteSpace(emailAddress))
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throw new ArgumentNullException(nameof(emailAddress));
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if (!_emailCheckRegex.IsMatch(emailAddress))
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throw new ArgumentException("Invalid email address", nameof(emailAddress));
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}
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/// <summary>
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/// Validate the length of a string.
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/// </summary>
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/// <param name="str">The string to check.</param>
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/// <param name="length">The max. length.</param>
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/// <param name="paramName">The name of the parameter to check.</param>
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/// <exception cref="ArgumentException">The <paramref name="str"/> is longer than <paramref name="length"/>.</exception>
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public static void ValidateLength(this string str, int length, string paramName)
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{
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if (str?.Length > length)
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throw new ArgumentException($"The value of '{paramName}' is too long. Only {length} characters are allowed.");
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}
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}
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}
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