public async Task <IdentityResult> ChangePasswordAsync(IdentityUser user, string currentPassword, string newPassword)
{
var verifyResult = _hasher.VerifyHashedPassword(user.Id, user.PasswordHash, currentPassword);
if (verifyResult != Microsoft.AspNetCore.Identity.PasswordVerificationResult.Success)
{
return(new IdentityResult()
{
Succeeded = false,
Errors = new List <string>()
{
"Incorrect password supplied"
}
});
}
newPassword = newPassword.Trim();
if (string.IsNullOrEmpty(newPassword) || newPassword.Length < 7)
{
return(new IdentityResult()
{
Errors = new List <string> {
"Password must be at least 7 characters"
},
Succeeded = false
});
}
using (var db = new SqlDbContext(_options))
{
try
{
var dbUser = db.IdentityUser.FirstOrDefault(tbl => tbl.Id == user.Id);
if (dbUser == null)
{
user.PasswordHash = _hasher.HashPassword(user.Id, newPassword);
db.Update(user);
}
await db.SaveChangesAsync();
}
catch (Exception exc)
{
}
return(new IdentityResult()
{
Succeeded = true
});
}
}
public bool IsPasswordValid(string hashedPassword, string password)
{
try
{
var verified = _passwordHasher.VerifyHashedPassword(null, hashedPassword, password);
return(verified == Microsoft.AspNetCore.Identity.PasswordVerificationResult.Success);
}
// if hashed password is not a base64 encoded string
catch (System.FormatException)
{
return(false);
}
}