/// <inheritdoc />
public void Append(string key, string value)
{
var setCookieHeaderValue = new SetCookieHeaderValue(
Uri.EscapeDataString(key),
Uri.EscapeDataString(value))
{
Path = "/"
};
string cookieValue;
if (_builderPool == null)
{
cookieValue = setCookieHeaderValue.ToString();
}
else
{
var stringBuilder = _builderPool.Get();
try
{
setCookieHeaderValue.AppendToStringBuilder(stringBuilder);
cookieValue = stringBuilder.ToString();
}
finally
{
_builderPool.Return(stringBuilder);
}
}
Headers[HeaderNames.SetCookie] = StringValues.Concat(Headers[HeaderNames.SetCookie], cookieValue);
}
/// <summary>
/// Add a new cookie and value
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public void Append(string key, string value)
{
var setCookieHeaderValue = new SetCookieHeaderValue(
UrlEncoder.Default.Encode(key),
UrlEncoder.Default.Encode(value))
{
Path = "/"
};
Headers[HeaderNames.SetCookie] = StringValues.Concat(Headers[HeaderNames.SetCookie], setCookieHeaderValue.ToString());
}
/// <summary>
/// Add a new cookie
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="options"></param>
public void Append(string key, string value, CookieOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var setCookieHeaderValue = new SetCookieHeaderValue(
UrlEncoder.Default.Encode(key),
UrlEncoder.Default.Encode(value))
{
Domain = options.Domain,
Path = options.Path,
Expires = options.Expires,
Secure = options.Secure,
HttpOnly = options.HttpOnly,
};
Headers[HeaderNames.SetCookie] = StringValues.Concat(Headers[HeaderNames.SetCookie], setCookieHeaderValue.ToString());
}
public void SetCookieHeaderValue_ToString_SameSiteNoneCompat()
{
SetCookieHeaderValue.SuppressSameSiteNone = true;
var input = new SetCookieHeaderValue("name", "value")
{
SameSite = SameSiteMode.None,
};
Assert.Equal("name=value", input.ToString());
SetCookieHeaderValue.SuppressSameSiteNone = false;
var input2 = new SetCookieHeaderValue("name", "value")
{
SameSite = SameSiteMode.None,
};
Assert.Equal("name=value; samesite=none", input2.ToString());
}
public void SetCookieHeaderValue_ToString(SetCookieHeaderValue input, string expectedValue)
{
Assert.Equal(expectedValue, input.ToString());
}
public void SetCookieHeaderValue_ToString(SetCookieHeaderValue input, string expectedValue)
{
Assert.Equal(expectedValue, input.ToString());
}
/// <summary>
/// Appends a new response cookie to the Set-Cookie header. If the cookie is larger than the given size limit
/// then it will be broken down into multiple cookies as follows:
/// Set-Cookie: CookieName=chunks-3; path=/
/// Set-Cookie: CookieNameC1=Segment1; path=/
/// Set-Cookie: CookieNameC2=Segment2; path=/
/// Set-Cookie: CookieNameC3=Segment3; path=/
/// </summary>
/// <param name="context"></param>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="options"></param>
public void AppendResponseCookie(HttpContext context, string key, string value, CookieOptions options)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var template = new SetCookieHeaderValue(key)
{
Domain = options.Domain,
Expires = options.Expires,
HttpOnly = options.HttpOnly,
Path = options.Path,
Secure = options.Secure,
};
var templateLength = template.ToString().Length;
value = value ?? string.Empty;
// Normal cookie
var responseCookies = context.Response.Cookies;
if (!ChunkSize.HasValue || ChunkSize.Value > templateLength + value.Length)
{
responseCookies.Append(key, value, options);
}
else if (ChunkSize.Value < templateLength + 10)
{
// 10 is the minimum data we want to put in an individual cookie, including the cookie chunk identifier "CXX".
// No room for data, we can't chunk the options and name
throw new InvalidOperationException(Resources.Exception_CookieLimitTooSmall);
}
else
{
// Break the cookie down into multiple cookies.
// Key = CookieName, value = "Segment1Segment2Segment2"
// Set-Cookie: CookieName=chunks-3; path=/
// Set-Cookie: CookieNameC1="Segment1"; path=/
// Set-Cookie: CookieNameC2="Segment2"; path=/
// Set-Cookie: CookieNameC3="Segment3"; path=/
var dataSizePerCookie = ChunkSize.Value - templateLength - 3; // Budget 3 chars for the chunkid.
var cookieChunkCount = (int)Math.Ceiling(value.Length * 1.0 / dataSizePerCookie);
responseCookies.Append(key, ChunkCountPrefix + cookieChunkCount.ToString(CultureInfo.InvariantCulture), options);
var offset = 0;
for (var chunkId = 1; chunkId <= cookieChunkCount; chunkId++)
{
var remainingLength = value.Length - offset;
var length = Math.Min(dataSizePerCookie, remainingLength);
var segment = value.Substring(offset, length);
offset += length;
responseCookies.Append(key + ChunkKeySuffix + chunkId.ToString(CultureInfo.InvariantCulture), segment, options);
}
}
}
/// <summary>
/// Appends a new response cookie to the Set-Cookie header. If the cookie is larger than the given size limit
/// then it will be broken down into multiple cookies as follows:
/// Set-Cookie: CookieName=chunks:3; path=/
/// Set-Cookie: CookieNameC1=Segment1; path=/
/// Set-Cookie: CookieNameC2=Segment2; path=/
/// Set-Cookie: CookieNameC3=Segment3; path=/
/// </summary>
/// <param name="context"></param>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="options"></param>
public void AppendResponseCookie(HttpContext context, string key, string value, CookieOptions options)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var escapedKey = Encoder.UrlEncode(key);
var template = new SetCookieHeaderValue(escapedKey)
{
Domain = options.Domain,
Expires = options.Expires,
HttpOnly = options.HttpOnly,
Path = options.Path,
Secure = options.Secure,
};
var templateLength = template.ToString().Length;
value = value ?? string.Empty;
var quoted = false;
if (IsQuoted(value))
{
quoted = true;
value = RemoveQuotes(value);
}
var escapedValue = Encoder.UrlEncode(value);
// Normal cookie
var responseHeaders = context.Response.Headers;
if (!ChunkSize.HasValue || ChunkSize.Value > templateLength + escapedValue.Length + (quoted ? 2 : 0))
{
template.Value = quoted ? Quote(escapedValue) : escapedValue;
responseHeaders.Append(Constants.Headers.SetCookie, template.ToString());
}
else if (ChunkSize.Value < templateLength + (quoted ? 2 : 0) + 10)
{
// 10 is the minimum data we want to put in an individual cookie, including the cookie chunk identifier "CXX".
// No room for data, we can't chunk the options and name
throw new InvalidOperationException(Resources.Exception_CookieLimitTooSmall);
}
else
{
// Break the cookie down into multiple cookies.
// Key = CookieName, value = "Segment1Segment2Segment2"
// Set-Cookie: CookieName=chunks:3; path=/
// Set-Cookie: CookieNameC1="Segment1"; path=/
// Set-Cookie: CookieNameC2="Segment2"; path=/
// Set-Cookie: CookieNameC3="Segment3"; path=/
var dataSizePerCookie = ChunkSize.Value - templateLength - (quoted ? 2 : 0) - 3; // Budget 3 chars for the chunkid.
var cookieChunkCount = (int)Math.Ceiling(escapedValue.Length * 1.0 / dataSizePerCookie);
template.Value = "chunks:" + cookieChunkCount.ToString(CultureInfo.InvariantCulture);
responseHeaders.Append(Constants.Headers.SetCookie, template.ToString());
var chunks = new string[cookieChunkCount];
var offset = 0;
for (var chunkId = 1; chunkId <= cookieChunkCount; chunkId++)
{
var remainingLength = escapedValue.Length - offset;
var length = Math.Min(dataSizePerCookie, remainingLength);
var segment = escapedValue.Substring(offset, length);
offset += length;
template.Name = escapedKey + "C" + chunkId.ToString(CultureInfo.InvariantCulture);
template.Value = quoted ? Quote(segment) : segment;
chunks[chunkId - 1] = template.ToString();
}
responseHeaders.Append(Constants.Headers.SetCookie, chunks);
}
}
/// <inheritdoc />
public void Append(string key, string value, CookieOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var setCookieHeaderValue = new SetCookieHeaderValue(
Uri.EscapeDataString(key),
Uri.EscapeDataString(value))
{
Domain = options.Domain,
Path = options.Path,
Expires = options.Expires,
Secure = options.Secure,
HttpOnly = options.HttpOnly,
};
string cookieValue;
if (_builderPool == null)
{
cookieValue = setCookieHeaderValue.ToString();
}
else
{
var stringBuilder = _builderPool.Get();
try
{
setCookieHeaderValue.AppendToStringBuilder(stringBuilder);
cookieValue = stringBuilder.ToString();
}
finally
{
_builderPool.Return(stringBuilder);
}
}
Headers[HeaderNames.SetCookie] = StringValues.Concat(Headers[HeaderNames.SetCookie], cookieValue);
}
