Created
February 12, 2018 16:26
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Configuration CORS Policy Provider
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public class ConfigCorsPolicyProvider : ICorsPolicyProvider | |
{ | |
private readonly IConfigurationService configurationService; | |
public ConfigCorsPolicyProvider(IConfigurationService configurationService) | |
{ | |
this.configurationService = configurationService; | |
} | |
public Task<CorsPolicy> GetCorsPolicyAsync(HttpRequestMessage request, CancellationToken cancellationToken) | |
{ | |
var allowedOrigins = configurationService.GetAppSetting("security.AllowedOrigins"); | |
if (string.IsNullOrWhiteSpace(allowedOrigins)) | |
{ | |
var allowAllPolicy = new CorsPolicy | |
{ | |
AllowAnyHeader = true, | |
AllowAnyMethod = true, | |
AllowAnyOrigin = false, | |
SupportsCredentials = true | |
}; | |
return Task.FromResult(allowAllPolicy); | |
} | |
var origins = allowedOrigins | |
.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries) | |
.Select(origin => origin.Trim()) | |
.ToArray(); | |
var policy = new CorsPolicy | |
{ | |
AllowAnyHeader = true, | |
AllowAnyMethod = true, | |
AllowAnyOrigin = false, | |
SupportsCredentials = true | |
}; | |
foreach (var origin in origins) | |
{ | |
policy.Origins.Add(origin); | |
} | |
return Task.FromResult(policy); | |
} | |
} |
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