private void EnableCors(CloudBlobClient blobClient)
{
try
{
CorsHttpMethods allowedMethods = CorsHttpMethods.None;
allowedMethods = allowedMethods | CorsHttpMethods.Get;
allowedMethods = allowedMethods | CorsHttpMethods.Put;
allowedMethods = allowedMethods | CorsHttpMethods.Post;
allowedMethods = allowedMethods | CorsHttpMethods.Delete;
allowedMethods = allowedMethods | CorsHttpMethods.Options;
var delimiter = new[] { "," };
CorsRule corsRule = new CorsRule();
const string allowedOrigins = "*";
const string allowedHeaders = "*";
const string exposedHeaders = "";
string[] allAllowedOrigin = allowedOrigins.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
string[] allExpHeaders = exposedHeaders.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
string[] allAllowHeaders = allowedHeaders.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
List <string> corsAllowedOrigin = new List <string>();
foreach (var item in allAllowedOrigin)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsAllowedOrigin.Add(item.Trim());
}
}
List <string> corsExposedHeaders = new List <string>();
foreach (var item in allExpHeaders)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsExposedHeaders.Add(item.Trim());
}
}
List <string> corsAllowHeaders = new List <string>();
foreach (var item in allAllowHeaders)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsAllowHeaders.Add(item.Trim());
}
}
corsRule.MaxAgeInSeconds = 200;
corsRule.AllowedMethods = allowedMethods;
corsRule.AllowedHeaders = corsAllowHeaders;
corsRule.AllowedOrigins = corsAllowedOrigin;
corsRule.ExposedHeaders = corsExposedHeaders;
ServiceProperties properties = blobClient.GetServiceProperties();
properties.Cors.CorsRules.Clear();
properties.Cors.CorsRules.Add(corsRule);
blobClient.SetServiceProperties(properties);
}
catch (Exception ex)
{
_logger.ErrorException("Error enable CORS", ex);
}
}
/// <summary>
/// Parse CorsHttpMethods from XSCL to String Array
/// </summary>
/// <param name="methods">CorsHttpMethods from XSCL</param>
/// <returns>String Array</returns>
private static string[] ConvertCorsHttpMethodToString(CorsHttpMethods methods)
{
List <string> methodList = new List <string>();
foreach (CorsHttpMethods methodValue in Enum.GetValues(typeof(CorsHttpMethods)).Cast <CorsHttpMethods>())
{
if (methodValue != CorsHttpMethods.None && (methods & methodValue) != 0)
{
methodList.Add(methodValue.ToString());
}
}
return(methodList.ToArray());
}
private string[] ConvertCorsHttpMethodToString(CorsHttpMethods methods)
{
List<string> methodList = new List<string>();
foreach (CorsHttpMethods methodValue in Enum.GetValues(typeof(CorsHttpMethods)).Cast<CorsHttpMethods>())
{
if (methodValue != CorsHttpMethods.None && (methods & methodValue) != 0)
{
methodList.Add(methodValue.ToString());
}
}
return methodList.ToArray();
}
private CorsHttpMethods MapAllowedMethods(IList <string> allowedMethods)
{
var corsHttpMethods = new CorsHttpMethods();
foreach (var allowedMethod in allowedMethods)
{
var tmpMethod = new CorsHttpMethods();
if (Enum.TryParse <CorsHttpMethods>(allowedMethod, true, out tmpMethod))
{
corsHttpMethods |= tmpMethod;
}
}
return(corsHttpMethods);
}
private static CorsHttpMethods ExpandCorsHttpMethods(List <string> methods)
{
CorsHttpMethods allowedmethods = CorsHttpMethods.None;
methods.All(method =>
{
switch (method)
{
case "DELETE":
allowedmethods |= CorsHttpMethods.Delete;
return(true);
case "GET":
allowedmethods |= CorsHttpMethods.Get;
return(true);
case "HEAD":
allowedmethods |= CorsHttpMethods.Head;
return(true);
case "OPTIONS":
allowedmethods |= CorsHttpMethods.Options;
return(true);
case "POST":
allowedmethods |= CorsHttpMethods.Post;
return(true);
case "PUT":
allowedmethods |= CorsHttpMethods.Put;
return(true);
case "TRACE":
allowedmethods |= CorsHttpMethods.Trace;
return(true);
default:
allowedmethods = CorsHttpMethods.None;
return(true);
}
});
return(allowedmethods);
}
public static string[] GetRandomMethods()
{
// In MSDN, it says it only supports allowed methods: Supported methods are DELETE, GET, HEAD, MERGE, POST, OPTIONS and PUT
// https://msdn.microsoft.com/en-us/library/azure/dn535601.aspx
// If it is not changed, adding "CorsHttpMethods.Get | <random>" to make sure at least one method is valid.
CorsHttpMethods methods = CorsHttpMethods.Get | (CorsHttpMethods)rd.Next(1, 512);
List <string> methodList = new List <string>();
foreach (CorsHttpMethods methodValue in Enum.GetValues(typeof(CorsHttpMethods)).Cast <CorsHttpMethods>())
{
if ((methods & methodValue) != 0)
{
methodList.Add(RandomStringCase(methodValue.ToString()));
}
}
return(methodList.ToArray());
}
/// <summary>
/// Set Allowed method for a Cors Rule from a string array
/// </summary>
private void SetAllowedMethods(CorsRule corsRule, string[] allowedMethods)
{
corsRule.AllowedMethods = CorsHttpMethods.None;
if (null != allowedMethods)
{
foreach (var method in allowedMethods)
{
CorsHttpMethods allowedCorsMethod = CorsHttpMethods.None;
if (Enum.TryParse <CorsHttpMethods>(method, true, out allowedCorsMethod))
{
corsRule.AllowedMethods |= allowedCorsMethod;
}
else
{
Test.Error(string.Format("Can't parse {0} to CorsHttpMethods.", method));
}
}
}
}
/// <summary>
/// Comapare PSCorsRule and CorsProperties, to make sure they are same content
/// </summary>
static private void CompareCors(PSCorsRule[] psCorsRules, CorsProperties corsProperties)
{
if ((psCorsRules == null || psCorsRules.Length == 0) &&
(corsProperties == null || corsProperties.CorsRules == null || corsProperties.CorsRules.Count == 0))
{
return;
}
Assert.AreEqual(psCorsRules.Length, corsProperties.CorsRules.Count);
int i = 0;
foreach (CorsRule CorsRule in corsProperties.CorsRules)
{
PSCorsRule psCorsRule = psCorsRules[i];
i++;
CompareStrings(psCorsRule.AllowedHeaders, CorsRule.AllowedHeaders);
CompareStrings(psCorsRule.ExposedHeaders, CorsRule.ExposedHeaders);
CompareStrings(psCorsRule.AllowedOrigins, CorsRule.AllowedOrigins);
Assert.AreEqual(psCorsRule.MaxAgeInSeconds, CorsRule.MaxAgeInSeconds);
CorsHttpMethods psAllowedMethods = CorsHttpMethods.None;
foreach (string method in psCorsRule.AllowedMethods)
{
CorsHttpMethods allowedCorsMethod = CorsHttpMethods.None;
if (Enum.TryParse <CorsHttpMethods>(method, true, out allowedCorsMethod))
{
psAllowedMethods |= allowedCorsMethod;
}
else
{
throw new InvalidOperationException(string.Format("Can't parse {0} to CorsHttpMethods.", method));
}
}
Assert.AreEqual(psAllowedMethods, CorsRule.AllowedMethods);
}
}
private static CorsRule FindBestMatchingRule(ServiceProperties serviceProperties, IEnumerable<string> requiredHeaders, CorsHttpMethods requiredMethods, IEnumerable<string> origins) {
var query =
from rule in serviceProperties.Cors.CorsRules
let hasRequiredHeadersAndMethods = (rule.AllowedHeaders.Contains("*") || requiredHeaders.All(rule.AllowedHeaders.Contains)) && (rule.AllowedMethods & requiredMethods) == requiredMethods
let numberMatchingOrigins = origins.Count(x => rule.AllowedOrigins.Contains(x))
where hasRequiredHeadersAndMethods
orderby hasRequiredHeadersAndMethods descending, numberMatchingOrigins descending
select rule;
return query.FirstOrDefault();
}
public async Task EnableCORSAsync()
{
CorsHttpMethods allowedMethods = CorsHttpMethods.None;
allowedMethods |= CorsHttpMethods.Get;
allowedMethods |= CorsHttpMethods.Put;
allowedMethods |= CorsHttpMethods.Post;
allowedMethods |= CorsHttpMethods.Delete;
allowedMethods |= CorsHttpMethods.Options;
var delimiter = new[] { "," };
var corsRule = new CorsRule();
const string AllowedOrigins = "*";
const string AllowedHeaders = "*";
const string ExposedHeaders = "";
var allAllowedOrigin = AllowedOrigins.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
var allExpHeaders = ExposedHeaders.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
var allAllowHeaders = AllowedHeaders.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
var corsAllowedOrigin = new List <string>();
foreach (var item in allAllowedOrigin)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsAllowedOrigin.Add(item.Trim());
}
}
var corsExposedHeaders = new List <string>();
foreach (var item in allExpHeaders)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsExposedHeaders.Add(item.Trim());
}
}
var corsAllowHeaders = new List <string>();
foreach (var item in allAllowHeaders)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsAllowHeaders.Add(item.Trim());
}
}
corsRule.MaxAgeInSeconds = 200;
corsRule.AllowedMethods = allowedMethods;
corsRule.AllowedHeaders = corsAllowHeaders;
corsRule.AllowedOrigins = corsAllowedOrigin;
corsRule.ExposedHeaders = corsExposedHeaders;
var serviceProperties = await this.blobClient.GetServicePropertiesAsync();
serviceProperties.Cors.CorsRules.Clear();
serviceProperties.Cors.CorsRules.Add(corsRule);
await this.blobClient.SetServicePropertiesAsync(serviceProperties);
}
private CorsHttpMethods MapAllowedMethods(IList<string> allowedMethods)
{
var corsHttpMethods = new CorsHttpMethods();
foreach (var allowedMethod in allowedMethods)
{
var tmpMethod = new CorsHttpMethods();
if (Enum.TryParse<CorsHttpMethods>(allowedMethod, true, out tmpMethod))
corsHttpMethods |= tmpMethod;
}
return corsHttpMethods;
}
private IList<string> MapAllowedMethods(CorsHttpMethods allowedMethods)
{
return allowedMethods.ToString().Replace(" ", String.Empty).Split(',').ToList();
}
public string EnableStorageCORS(Account account)
{
try
{
var storageAccount = StorageUtils.CreateCloudStorageAccount(account);
var blobClient = storageAccount.CreateCloudBlobClient();
CorsHttpMethods allowedMethods = CorsHttpMethods.None;
allowedMethods = allowedMethods | CorsHttpMethods.Get;
allowedMethods = allowedMethods | CorsHttpMethods.Put;
allowedMethods = allowedMethods | CorsHttpMethods.Post;
allowedMethods = allowedMethods | CorsHttpMethods.Delete;
allowedMethods = allowedMethods | CorsHttpMethods.Options;
var delimiter = new[] { "," };
CorsRule corsRule = new CorsRule();
const string allowedOrigins = "*";
const string allowedHeaders = "*";
const string exposedHeaders = "";
string[] allAllowedOrigin = allowedOrigins.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
string[] allExpHeaders = exposedHeaders.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
string[] allAllowHeaders = allowedHeaders.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
List <string> corsAllowedOrigin = new List <string>();
foreach (var item in allAllowedOrigin)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsAllowedOrigin.Add(item.Trim());
}
}
List <string> corsExposedHeaders = new List <string>();
foreach (var item in allExpHeaders)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsExposedHeaders.Add(item.Trim());
}
}
List <string> corsAllowHeaders = new List <string>();
foreach (var item in allAllowHeaders)
{
if (!string.IsNullOrWhiteSpace(item))
{
corsAllowHeaders.Add(item.Trim());
}
}
corsRule.MaxAgeInSeconds = 200;
corsRule.AllowedMethods = allowedMethods;
corsRule.AllowedHeaders = corsAllowHeaders;
corsRule.AllowedOrigins = corsAllowedOrigin;
corsRule.ExposedHeaders = corsExposedHeaders;
ServiceProperties properties = blobClient.GetServiceProperties();
properties.Cors.CorsRules.Clear();
properties.Cors.CorsRules.Add(corsRule);
blobClient.SetServiceProperties(properties);
}
catch (Exception ex)
{
logger.Error(ex);
return("Failed due to Incorrect Account Name or Key.");
}
return("Enabling CORS Succeed");
}
private IList <string> MapAllowedMethods(CorsHttpMethods allowedMethods)
{
return(allowedMethods.ToString().Replace(" ", String.Empty).Split(',').ToList());
}
private static CorsRule FindBestMatchingRule(ServiceProperties serviceProperties, IEnumerable <string> requiredHeaders, CorsHttpMethods requiredMethods, IEnumerable <string> origins)
{
var query =
from rule in serviceProperties.Cors.CorsRules
let hasRequiredHeadersAndMethods = (rule.AllowedHeaders.Contains("*") || requiredHeaders.All(rule.AllowedHeaders.Contains)) && (rule.AllowedMethods & requiredMethods) == requiredMethods
let numberMatchingOrigins = origins.Count(x => rule.AllowedOrigins.Contains(x))
where hasRequiredHeadersAndMethods
orderby hasRequiredHeadersAndMethods descending, numberMatchingOrigins descending
select rule;
return(query.FirstOrDefault());
}
