/// <summary>
/// Overridable method to execute when All resolvers have been initialized but resolution is not
/// frozen so they can be modified in this method
/// </summary>
/// <param name="umbracoApplication">The current <see cref="UmbracoApplicationBase"/></param>
/// <param name="applicationContext">The Umbraco <see cref="ApplicationContext"/> for the current application.</param>
protected override void ApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
{
bool disable = ConfigurationManager.AppSettings[DisableVirtualPathProviderKey] != null &&
ConfigurationManager.AppSettings[DisableVirtualPathProviderKey]
.Equals("true", StringComparison.InvariantCultureIgnoreCase);
IFileSystem fileSystem = FileSystemProviderManager.Current.GetUnderlyingFileSystemProvider(Constants.DefaultMediaRoute);
bool isAzureBlobFileSystem = fileSystem is AzureBlobFileSystem;
if (!disable && isAzureBlobFileSystem)
{
AzureFileSystem azureFileSystem = ((AzureBlobFileSystem)fileSystem).FileSystem;
// ReSharper disable once ConvertIfStatementToConditionalTernaryExpression
if (azureFileSystem.UseDefaultRoute)
{
FileSystemVirtualPathProvider.ConfigureMedia(Constants.DefaultMediaRoute);
}
else
{
FileSystemVirtualPathProvider.ConfigureMedia(azureFileSystem.ContainerName);
}
}
base.ApplicationStarting(umbracoApplication, applicationContext);
}
/// <summary>
/// Returns a singleton instance of the <see cref="AzureFileSystem"/> class.
/// </summary>
/// <param name="containerName">The container name.</param>
/// <param name="rootUrl">The root url.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="maxDays">The maximum number of days to cache blob items for in the browser.</param>
/// <param name="useDefaultRoute">Whether to use the default "media" route in the url independent of the blob container.</param>
/// <param name="usePrivateContainer">Whether to use private blob access (no direct access) or public (direct access possible, default) access.</param>
/// <returns>The <see cref="AzureFileSystem"/></returns>
public static AzureFileSystem GetInstance(string containerName, string rootUrl, string connectionString, string maxDays, string useDefaultRoute, string usePrivateContainer)
{
lock (Locker)
{
AzureFileSystem fileSystem = FileSystems.SingleOrDefault(fs => fs.ContainerName == containerName && fs.rootHostUrl == rootUrl);
if (fileSystem == null)
{
int max;
if (!int.TryParse(maxDays, out max))
{
max = 365;
}
bool defaultRoute;
if (!bool.TryParse(useDefaultRoute, out defaultRoute))
{
defaultRoute = true;
}
bool privateContainer;
if (!bool.TryParse(usePrivateContainer, out privateContainer))
{
privateContainer = true;
}
BlobContainerPublicAccessType blobContainerPublicAccessType = privateContainer ? BlobContainerPublicAccessType.Off : BlobContainerPublicAccessType.Blob;
fileSystem = new AzureFileSystem(containerName, rootUrl, connectionString, max, defaultRoute, blobContainerPublicAccessType);
FileSystems.Add(fileSystem);
}
return(fileSystem);
}
}
/// <summary>
/// Returns a singleton instance of the <see cref="AzureFileSystem"/> class.
/// </summary>
/// <param name="containerName">The container name.</param>
/// <param name="rootUrl">The root url.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="maxDays">The maximum number of days to cache blob items for in the browser.</param>
/// <returns>The <see cref="AzureFileSystem"/></returns>
public static AzureFileSystem GetInstance(string containerName, string rootUrl, string connectionString, string maxDays)
{
lock (Locker)
{
if (fileSystem == null)
{
int max;
if (!int.TryParse(maxDays, out max))
{
max = 365;
}
fileSystem = new AzureFileSystem(containerName, rootUrl, connectionString, max);
}
return(fileSystem);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AzureBlobFileSystem"/> class
/// from values in application settings.
/// </summary>
/// <param name="alias">The alias of the provider</param>
public AzureBlobFileSystem(string alias)
{
string connectionString = ConfigurationManager.AppSettings[$"{ConnectionStringKey}:{alias}"];
if (!string.IsNullOrWhiteSpace(connectionString))
{
string rootUrl = ConfigurationManager.AppSettings[$"{RootUrlKey}:{alias}"];
if (string.IsNullOrWhiteSpace(rootUrl))
{
throw new InvalidOperationException("Azure Storage Root URL is not defined in application settings. The " + RootUrlKey + " property was not defined or is empty.");
}
string containerName = ConfigurationManager.AppSettings[$"{ContainerNameKey}:{alias}"];
if (string.IsNullOrWhiteSpace(containerName))
{
containerName = "media";
}
string maxDays = ConfigurationManager.AppSettings[$"{MaxDaysKey}:{alias}"];
if (string.IsNullOrWhiteSpace(maxDays))
{
maxDays = "365";
}
string useDefaultRoute = ConfigurationManager.AppSettings[$"{UseDefaultRootKey}:{alias}"];
if (string.IsNullOrWhiteSpace(useDefaultRoute))
{
useDefaultRoute = "true";
}
string accessType = ConfigurationManager.AppSettings[$"{UsePrivateContainerKey}:{alias}"];
if (string.IsNullOrWhiteSpace(accessType))
{
accessType = "true";
}
this.FileSystem = AzureFileSystem.GetInstance(containerName, rootUrl, connectionString, maxDays, useDefaultRoute, accessType);
}
else
{
throw new InvalidOperationException("Unable to retrieve the Azure Storage configuration from the application settings. " + ConnectionStringKey + " was not defined or is empty.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AzureBlobFileSystem"/> class.
/// </summary>
/// <param name="containerName">The container name.</param>
/// <param name="rootUrl">The root url.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="maxDays">The maximum number of days to cache blob items for in the browser.</param>
/// <param name="useDefaultRoute">Whether to use the default "media" route in the url independent of the blob container.</param>
/// <param name="usePrivateContainer">blob container can be private (no direct access) or public (direct access possible, default)</param>
public AzureBlobFileSystem(string containerName, string rootUrl, string connectionString, string maxDays, string useDefaultRoute, string usePrivateContainer)
{
this.FileSystem = AzureFileSystem.GetInstance(containerName, rootUrl, connectionString, maxDays, useDefaultRoute, usePrivateContainer);
}
/// <summary>
/// Returns a singleton instance of the <see cref="AzureFileSystem"/> class.
/// </summary>
/// <param name="containerName">The container name.</param>
/// <param name="rootUrl">The root url.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="maxDays">The maximum number of days to cache blob items for in the browser.</param>
/// <returns>The <see cref="AzureFileSystem"/></returns>
public static AzureFileSystem GetInstance(string containerName, string rootUrl, string connectionString, string maxDays)
{
lock (Locker)
{
if (fileSystem == null)
{
int max;
if (!int.TryParse(maxDays, out max))
{
max = 365;
}
fileSystem = new AzureFileSystem(containerName, rootUrl, connectionString, max);
}
return fileSystem;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AzureBlobFileSystem"/> class.
/// </summary>
/// <param name="containerName">The container name.</param>
/// <param name="rootUrl">The root url.</param>
/// <param name="connectionString">The connection string.</param>
/// <param name="maxDays">The maximum number of days to cache blob items for in the browser.</param>
public AzureBlobFileSystem(string containerName, string rootUrl, string connectionString, string maxDays)
{
this.FileSystem = AzureFileSystem.GetInstance(containerName, rootUrl, connectionString, maxDays);
}