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File Path for PersistKeysToFileSystem on shared server

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1

I'm trying to make my keys persist for users that log in. As I'm currently using shared hosting for the website, I've decided to use the file system to store the keyring. So the code looks like this:

services.AddDataProtection()
.PersistKeysToFileSystem(new DirectoryInfo(""))
.SetApplicationName("MyWebsite")
.SetDefaultKeyLifetime(TimeSpan.FromDays(90))
.ProtectKeysWithCertificate(cert);

However, what I'm not really understanding is where I should hold these keys, and what would be the path I pass in in order for them to be there. Since this is an MVC Core Application I am a little confused, in an MVC 5 I would put it in App_Data folder, but here there is no App_Data folder and I want to make sure it stays secure and cannot be accessed via the browser.

The other thing is do I pass it a relative path or a direct path? If it is relative, where is my starting point? Is it bin, root directory or something else?

c# asp.net-mvc asp.net-core-mvc asp.net-core-identity asp.net-core-mvc-2.0

share|improve this question

asked Mar 23 at 14:40

BojanBojan

2,293112980

add a comment | 

1

I'm trying to make my keys persist for users that log in. As I'm currently using shared hosting for the website, I've decided to use the file system to store the keyring. So the code looks like this:

services.AddDataProtection()
.PersistKeysToFileSystem(new DirectoryInfo(""))
.SetApplicationName("MyWebsite")
.SetDefaultKeyLifetime(TimeSpan.FromDays(90))
.ProtectKeysWithCertificate(cert);

However, what I'm not really understanding is where I should hold these keys, and what would be the path I pass in in order for them to be there. Since this is an MVC Core Application I am a little confused, in an MVC 5 I would put it in App_Data folder, but here there is no App_Data folder and I want to make sure it stays secure and cannot be accessed via the browser.

The other thing is do I pass it a relative path or a direct path? If it is relative, where is my starting point? Is it bin, root directory or something else?

c# asp.net-mvc asp.net-core-mvc asp.net-core-identity asp.net-core-mvc-2.0

share|improve this question

asked Mar 23 at 14:40

BojanBojan

2,293112980

add a comment | 

I'm trying to make my keys persist for users that log in. As I'm currently using shared hosting for the website, I've decided to use the file system to store the keyring. So the code looks like this:

services.AddDataProtection()
.PersistKeysToFileSystem(new DirectoryInfo(""))
.SetApplicationName("MyWebsite")
.SetDefaultKeyLifetime(TimeSpan.FromDays(90))
.ProtectKeysWithCertificate(cert);

However, what I'm not really understanding is where I should hold these keys, and what would be the path I pass in in order for them to be there. Since this is an MVC Core Application I am a little confused, in an MVC 5 I would put it in App_Data folder, but here there is no App_Data folder and I want to make sure it stays secure and cannot be accessed via the browser.

The other thing is do I pass it a relative path or a direct path? If it is relative, where is my starting point? Is it bin, root directory or something else?

c# asp.net-mvc asp.net-core-mvc asp.net-core-identity asp.net-core-mvc-2.0

share|improve this question

asked Mar 23 at 14:40

BojanBojan

2,293112980

services.AddDataProtection()
.PersistKeysToFileSystem(new DirectoryInfo(""))
.SetApplicationName("MyWebsite")
.SetDefaultKeyLifetime(TimeSpan.FromDays(90))
.ProtectKeysWithCertificate(cert);

share|improve this question

asked Mar 23 at 14:40

BojanBojan

2,293112980

share|improve this question

asked Mar 23 at 14:40

BojanBojan

2,293112980

asked Mar 23 at 14:40

BojanBojan

2,293112980

asked Mar 23 at 14:40

BojanBojan

2,293112980

1 Answer
1

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oldest

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3

The simplest way is probably to create a folder inside the app folder. For example, create a folder called Keys, and use the IHostingEnvironment object to get the app folder. Something like this:

public class Startup

 private readonly IHostingEnvironment _environment;

 public Startup(IHostingEnvironment environment)
 
 _environment = environment;
 

 public void ConfigureServices(IServiceCollection services)
 
 var keysFolder = Path.Combine(_environment.ContentRootPath, "Keys");

 services.AddDataProtection()
 .PersistKeysToFileSystem(new DirectoryInfo(keysFolder))
 .SetApplicationName("MyWebsite")
 .SetDefaultKeyLifetime(TimeSpan.FromDays(90))
 .ProtectKeysWithCertificate(cert);
 

 // snip

share|improve this answer

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  When you say app folder, you mean root directory of the website?
  
  – Bojan
  Mar 23 at 15:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes exactly, alongside the wwwroot folder (but not inside that or the files may get served to the browser)
  
  – DavidG
  Mar 23 at 15:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As for IHostingEnvironment, do I inject that with IServiceCollection then?
  
  – Bojan
  Mar 23 at 15:04
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's injected into Startup as I show here.
  
  – DavidG
  Mar 23 at 15:11
  

  
  
  
  

add a comment | 

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3

The simplest way is probably to create a folder inside the app folder. For example, create a folder called Keys, and use the IHostingEnvironment object to get the app folder. Something like this:

public class Startup

 private readonly IHostingEnvironment _environment;

 public Startup(IHostingEnvironment environment)
 
 _environment = environment;
 

 public void ConfigureServices(IServiceCollection services)
 
 var keysFolder = Path.Combine(_environment.ContentRootPath, "Keys");

 services.AddDataProtection()
 .PersistKeysToFileSystem(new DirectoryInfo(keysFolder))
 .SetApplicationName("MyWebsite")
 .SetDefaultKeyLifetime(TimeSpan.FromDays(90))
 .ProtectKeysWithCertificate(cert);
 

 // snip

share|improve this answer

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  When you say app folder, you mean root directory of the website?
  
  – Bojan
  Mar 23 at 15:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes exactly, alongside the wwwroot folder (but not inside that or the files may get served to the browser)
  
  – DavidG
  Mar 23 at 15:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As for IHostingEnvironment, do I inject that with IServiceCollection then?
  
  – Bojan
  Mar 23 at 15:04
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's injected into Startup as I show here.
  
  – DavidG
  Mar 23 at 15:11
  

  
  
  
  

add a comment | 

3

The simplest way is probably to create a folder inside the app folder. For example, create a folder called Keys, and use the IHostingEnvironment object to get the app folder. Something like this:

public class Startup

 private readonly IHostingEnvironment _environment;

 public Startup(IHostingEnvironment environment)
 
 _environment = environment;
 

 public void ConfigureServices(IServiceCollection services)
 
 var keysFolder = Path.Combine(_environment.ContentRootPath, "Keys");

 services.AddDataProtection()
 .PersistKeysToFileSystem(new DirectoryInfo(keysFolder))
 .SetApplicationName("MyWebsite")
 .SetDefaultKeyLifetime(TimeSpan.FromDays(90))
 .ProtectKeysWithCertificate(cert);
 

 // snip

share|improve this answer

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  When you say app folder, you mean root directory of the website?
  
  – Bojan
  Mar 23 at 15:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes exactly, alongside the wwwroot folder (but not inside that or the files may get served to the browser)
  
  – DavidG
  Mar 23 at 15:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As for IHostingEnvironment, do I inject that with IServiceCollection then?
  
  – Bojan
  Mar 23 at 15:04
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's injected into Startup as I show here.
  
  – DavidG
  Mar 23 at 15:11
  

  
  
  
  

add a comment | 

The simplest way is probably to create a folder inside the app folder. For example, create a folder called Keys, and use the IHostingEnvironment object to get the app folder. Something like this:

public class Startup

 private readonly IHostingEnvironment _environment;

 public Startup(IHostingEnvironment environment)
 
 _environment = environment;
 

 public void ConfigureServices(IServiceCollection services)
 
 var keysFolder = Path.Combine(_environment.ContentRootPath, "Keys");

 services.AddDataProtection()
 .PersistKeysToFileSystem(new DirectoryInfo(keysFolder))
 .SetApplicationName("MyWebsite")
 .SetDefaultKeyLifetime(TimeSpan.FromDays(90))
 .ProtectKeysWithCertificate(cert);
 

 // snip

share|improve this answer

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137

public class Startup

 private readonly IHostingEnvironment _environment;

 public Startup(IHostingEnvironment environment)
 
 _environment = environment;
 

 public void ConfigureServices(IServiceCollection services)
 
 var keysFolder = Path.Combine(_environment.ContentRootPath, "Keys");

 services.AddDataProtection()
 .PersistKeysToFileSystem(new DirectoryInfo(keysFolder))
 .SetApplicationName("MyWebsite")
 .SetDefaultKeyLifetime(TimeSpan.FromDays(90))
 .ProtectKeysWithCertificate(cert);
 

 // snip

share|improve this answer

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137

answered Mar 23 at 14:49

DavidGDavidG

74.2k9123137