public void TryThrottle(AuthenticationRequestParameters requestParams, IReadOnlyDictionary <string, string> bodyParams)
{
if (!ThrottlingCache.IsEmpty() &&
ThrottleCommon.IsRetryAfterAndHttpStatusThrottlingSupported(requestParams))
{
var logger = requestParams.RequestContext.Logger;
string strictThumbprint = ThrottleCommon.GetRequestStrictThumbprint(
bodyParams,
requestParams.AuthorityInfo.CanonicalAuthority,
requestParams.Account?.HomeAccountId?.Identifier);
ThrottleCommon.TryThrow(strictThumbprint, ThrottlingCache, logger, nameof(HttpStatusProvider));
}
}
public void RecordException(
AuthenticationRequestParameters requestParams,
IReadOnlyDictionary <string, string> bodyParams,
MsalServiceException ex)
{
var logger = requestParams.RequestContext.Logger;
if (ThrottleCommon.IsRetryAfterAndHttpStatusThrottlingSupported(requestParams) &&
(ex.StatusCode == 429 || (ex.StatusCode >= 500 && ex.StatusCode < 600)) &&
// if a retry-after header is present, another provider will take care of this
!RetryAfterProvider.TryGetRetryAfterValue(ex.Headers, out _))
{
logger.Info($"[Throttling] Http status code {ex.StatusCode} encountered - " +
$"throttling for {s_throttleDuration.TotalSeconds} seconds");
var thumbprint = ThrottleCommon.GetRequestStrictThumbprint(bodyParams,
requestParams.AuthorityInfo.CanonicalAuthority,
requestParams.Account?.HomeAccountId?.Identifier);
var entry = new ThrottlingCacheEntry(ex, s_throttleDuration);
ThrottlingCache.AddAndCleanup(thumbprint, entry, logger);
}
}
public void RecordException(
AuthenticationRequestParameters requestParams,
IReadOnlyDictionary <string, string> bodyParams,
MsalServiceException ex)
{
if (ThrottleCommon.IsRetryAfterAndHttpStatusThrottlingSupported(requestParams) &&
TryGetRetryAfterValue(ex.Headers, out TimeSpan retryAfterTimespan))
{
retryAfterTimespan = GetSafeValue(retryAfterTimespan);
var logger = requestParams.RequestContext.Logger;
logger.Info($"[Throttling] Retry-After header detected, " +
$"value: {retryAfterTimespan.TotalSeconds} seconds");
string thumbprint = ThrottleCommon.GetRequestStrictThumbprint(
bodyParams,
requestParams.AuthorityInfo.CanonicalAuthority,
requestParams.Account?.HomeAccountId?.Identifier);
var entry = new ThrottlingCacheEntry(ex, retryAfterTimespan);
ThrottlingCache.AddAndCleanup(thumbprint, entry, logger);
}
}