mirror of
https://github.com/jellyfin/jellyfin.git
synced 2025-11-03 19:17:24 -05:00
295 lines
8.6 KiB
C#
295 lines
8.6 KiB
C#
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
|
|
namespace Rssdp
|
|
{
|
|
/// <summary>
|
|
/// Represents a custom HTTP header sent on device search response or notification messages.
|
|
/// </summary>
|
|
public sealed class CustomHttpHeader
|
|
{
|
|
|
|
#region Fields
|
|
|
|
private string _Name;
|
|
private string _Value;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <summary>
|
|
/// Full constructor.
|
|
/// </summary>
|
|
/// <param name="name">The field name of the header.</param>
|
|
/// <param name="value">The value of the header</param>
|
|
/// <remarks>
|
|
/// <para>As per RFC 822 and 2616, the name must contain only printable ASCII characters (33-126) excluding colon (:). The value may contain any ASCII characters except carriage return or line feed.</para>
|
|
/// </remarks>
|
|
/// <exception cref="System.ArgumentNullException">Thrown if the name is null.</exception>
|
|
/// <exception cref="System.ArgumentException">Thrown if the name is an empty value, or contains an invalid character. Also thrown if the value contains a \r or \n character.</exception>
|
|
public CustomHttpHeader(string name, string value)
|
|
{
|
|
Name = name;
|
|
Value = value;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Properties
|
|
|
|
/// <summary>
|
|
/// Return the name of this header.
|
|
/// </summary>
|
|
public string Name
|
|
{
|
|
get { return _Name; }
|
|
private set
|
|
{
|
|
EnsureValidName(value);
|
|
_Name = value;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the value of this header.
|
|
/// </summary>
|
|
public string Value
|
|
{
|
|
get { return _Value; }
|
|
private set
|
|
{
|
|
EnsureValidValue(value);
|
|
_Value = value;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Overrides
|
|
|
|
/// <summary>
|
|
/// Returns the header formatted for use in an HTTP message.
|
|
/// </summary>
|
|
/// <returns>A string representing this header in the format of 'name: value'.</returns>
|
|
public override string ToString()
|
|
{
|
|
return this.Name + ": " + this.Value;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Private Methods
|
|
|
|
private static void EnsureValidName(string name)
|
|
{
|
|
if (name == null) throw new ArgumentNullException(nameof(name), "Name cannot be null.");
|
|
if (name.Length == 0) throw new ArgumentException("Name cannot be blank.", nameof(name));
|
|
|
|
foreach (var c in name)
|
|
{
|
|
var b = (byte)c;
|
|
if (c == ':' || b < 33 || b > 126) throw new ArgumentException("Name contains illegal characters.", nameof(name));
|
|
}
|
|
}
|
|
|
|
private static void EnsureValidValue(string value)
|
|
{
|
|
if (String.IsNullOrEmpty(value)) return;
|
|
|
|
if (value.Contains("\r") || value.Contains("\n")) throw new ArgumentException("Invalid value.", nameof(value));
|
|
}
|
|
|
|
#endregion
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
/// Represents a collection of custom HTTP headers, keyed by name.
|
|
/// </summary>
|
|
public class CustomHttpHeadersCollection : IEnumerable<CustomHttpHeader>
|
|
{
|
|
#region Fields
|
|
|
|
private IDictionary<string, CustomHttpHeader> _Headers;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <summary>
|
|
/// Default constructor.
|
|
/// </summary>
|
|
public CustomHttpHeadersCollection()
|
|
{
|
|
_Headers = new Dictionary<string, CustomHttpHeader>();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Full constructor.
|
|
/// </summary>
|
|
/// <param name="capacity">Specifies the initial capacity of the collection.</param>
|
|
public CustomHttpHeadersCollection(int capacity)
|
|
{
|
|
_Headers = new Dictionary<string, CustomHttpHeader>(capacity);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Methpds
|
|
|
|
/// <summary>
|
|
/// Adds a <see cref="CustomHttpHeader"/> instance to the collection.
|
|
/// </summary>
|
|
/// <param name="header">The <see cref="CustomHttpHeader"/> instance to add to the collection.</param>
|
|
/// <remarks>
|
|
/// <para></para>
|
|
/// </remarks>
|
|
/// <exception cref="System.ArgumentNullException">Thrown if <paramref name="header"/> is null.</exception>
|
|
public void Add(CustomHttpHeader header)
|
|
{
|
|
if (header == null) throw new ArgumentNullException(nameof(header));
|
|
|
|
lock (_Headers)
|
|
{
|
|
_Headers.Add(header.Name, header);
|
|
}
|
|
}
|
|
|
|
#region Remove Overloads
|
|
|
|
/// <summary>
|
|
/// Removes the specified header instance from the collection.
|
|
/// </summary>
|
|
/// <param name="header">The <see cref="CustomHttpHeader"/> instance to remove from the collection.</param>
|
|
/// <remarks>
|
|
/// <para>Only removes the specified header if that instance was in the collection, if another header with the same name exists in the collection it is not removed.</para>
|
|
/// </remarks>
|
|
/// <returns>True if an item was removed from the collection, otherwise false (because it did not exist or was not the same instance).</returns>
|
|
/// <seealso cref="Remove(string)"/>
|
|
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="header"/> is null.</exception>
|
|
public bool Remove(CustomHttpHeader header)
|
|
{
|
|
if (header == null) throw new ArgumentNullException(nameof(header));
|
|
|
|
lock (_Headers)
|
|
{
|
|
if (_Headers.ContainsKey(header.Name) && _Headers[header.Name] == header)
|
|
return _Headers.Remove(header.Name);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes the property with the specified key (<see cref="CustomHttpHeader.Name"/> from the collection.
|
|
/// </summary>
|
|
/// <param name="headerName">The name of the <see cref="CustomHttpHeader"/> instance to remove from the collection.</param>
|
|
/// <returns>True if an item was removed from the collection, otherwise false (because no item exists in the collection with that key).</returns>
|
|
/// <exception cref="System.ArgumentException">Thrown if the <paramref name="headerName"/> argument is null or empty string.</exception>
|
|
public bool Remove(string headerName)
|
|
{
|
|
if (String.IsNullOrEmpty(headerName)) throw new ArgumentException("headerName cannot be null or empty.", nameof(headerName));
|
|
|
|
lock (_Headers)
|
|
{
|
|
return _Headers.Remove(headerName);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Returns a boolean indicating whether or not the specified <see cref="CustomHttpHeader"/> instance is in the collection.
|
|
/// </summary>
|
|
/// <param name="header">An <see cref="CustomHttpHeader"/> instance to check the collection for.</param>
|
|
/// <returns>True if the specified instance exists in the collection, otherwise false.</returns>
|
|
public bool Contains(CustomHttpHeader header)
|
|
{
|
|
if (header == null) throw new ArgumentNullException(nameof(header));
|
|
|
|
lock (_Headers)
|
|
{
|
|
if (_Headers.ContainsKey(header.Name))
|
|
return _Headers[header.Name] == header;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a boolean indicating whether or not a <see cref="CustomHttpHeader"/> instance with the specified full name value exists in the collection.
|
|
/// </summary>
|
|
/// <param name="headerName">A string containing the full name of the <see cref="CustomHttpHeader"/> instance to check for.</param>
|
|
/// <returns>True if an item with the specified full name exists in the collection, otherwise false.</returns>
|
|
public bool Contains(string headerName)
|
|
{
|
|
if (String.IsNullOrEmpty(headerName)) throw new ArgumentException("headerName cannot be null or empty.", nameof(headerName));
|
|
|
|
lock (_Headers)
|
|
{
|
|
return _Headers.ContainsKey(headerName);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Properties
|
|
|
|
/// <summary>
|
|
/// Returns the number of items in the collection.
|
|
/// </summary>
|
|
public int Count
|
|
{
|
|
get { return _Headers.Count; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the <see cref="CustomHttpHeader"/> instance from the collection that has the specified <see cref="CustomHttpHeader.Name"/> value.
|
|
/// </summary>
|
|
/// <param name="name">The full name of the property to return.</param>
|
|
/// <returns>A <see cref="CustomHttpHeader"/> instance from the collection.</returns>
|
|
/// <exception cref="System.Collections.Generic.KeyNotFoundException">Thrown if no item exists in the collection with the specified <paramref name="name"/> value.</exception>
|
|
public CustomHttpHeader this[string name]
|
|
{
|
|
get
|
|
{
|
|
return _Headers[name];
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IEnumerable Members
|
|
|
|
/// <summary>
|
|
/// Returns an enumerator of <see cref="CustomHttpHeader"/> instances in this collection.
|
|
/// </summary>
|
|
/// <returns>An enumerator of <see cref="CustomHttpHeader"/> instances in this collection.</returns>
|
|
public IEnumerator<CustomHttpHeader> GetEnumerator()
|
|
{
|
|
lock (_Headers)
|
|
{
|
|
return _Headers.Values.GetEnumerator();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns an enumerator of <see cref="CustomHttpHeader"/> instances in this collection.
|
|
/// </summary>
|
|
/// <returns>An enumerator of <see cref="CustomHttpHeader"/> instances in this collection.</returns>
|
|
IEnumerator IEnumerable.GetEnumerator()
|
|
{
|
|
lock (_Headers)
|
|
{
|
|
return _Headers.Values.GetEnumerator();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
}
|
|
} |