/// <summary>
///
/// </summary>
/// <param name="package"></param>
/// <param name="isPreviewMode"></param>
/// <returns></returns>
public async Task <List <ActionStep> > PerformImport(ImportExportPackage package, ImportSettings settings, bool isPreviewMode)
{
// apply import
var steps = new List <ActionStep>();
// import managed certs, certificate files, stored credentials, CAs
var currentAppVersion = Certify.Management.Util.GetAppVersion();
if (currentAppVersion != package.SystemVersion)
{
if (package.SystemVersion == null || AppVersion.IsOtherVersionNewer(AppVersion.FromVersion(package.SystemVersion), AppVersion.FromVersion(currentAppVersion)))
{
steps.Add(new ActionStep {
Title = "Version Check", Category = "Import", Key = "Version", HasWarning = true, Description = "Migration to an older app version is not supported. Results may be unreliable."
});
}
}
else
{
steps.Add(new ActionStep {
Title = "Version Check", Category = "Import", Key = "Version", Description = "Source is from the same version or a supported app version."
});
}
// check encryption
var decryptionFailed = false;
try
{
var decryptionCheckBytes = DecryptBytes(package.EncryptionValidation.Content, settings.EncryptionSecret, package.EncryptionSalt);
var decryptionCheckString = Encoding.ASCII.GetString(decryptionCheckBytes).Trim('\0');
if (decryptionCheckString != "Secret")
{
// failed decryption
decryptionFailed = true;
}
}
catch (Exception)
{
decryptionFailed = true;
}
if (decryptionFailed)
{
steps.Add(new ActionStep {
HasError = true, Title = "Decryption Check", Category = "Import", Key = "Decrypt", Description = "Secrets cannot be decrypted using the provided password."
});
return(steps);
}
else
{
steps.Add(new ActionStep {
Title = "Decryption Check", Category = "Import", Key = "Decrypt", Description = "Secrets can be decrypted OK using the provided password."
});
}
// stored credentials
var credentialImportSteps = new List <ActionStep>();
foreach (var c in package.Content.StoredCredentials)
{
var decodedBytes = Convert.FromBase64String(c.Secret);
var decryptedBytes = DecryptBytes(decodedBytes, settings.EncryptionSecret, package.EncryptionSalt);
// convert decrypted bytes to UTF8 string and trim NUL
c.Secret = UTF8Encoding.UTF8.GetString(decryptedBytes).Trim('\0');
var existing = await _credentialsManager.GetCredential(c.StorageKey);
if (existing == null)
{
if (!isPreviewMode)
{
// perform import
var result = await _credentialsManager.Update(c);
if (result != null)
{
credentialImportSteps.Add(new ActionStep {
Title = c.Title, Key = c.StorageKey
});
}
else
{
credentialImportSteps.Add(new ActionStep {
Title = c.Title, Key = c.StorageKey, HasWarning = true, Description = $"Failed to store this credential. Items which depend on it may not function."
});
}
}
else
{
// preview only
credentialImportSteps.Add(new ActionStep {
Title = c.Title, Key = c.StorageKey
});
}
}
else
{
// credential already exists
credentialImportSteps.Add(new ActionStep {
Title = c.Title, Key = c.StorageKey, HasWarning = true, Description = $"Credential already exists, it will not be re-imported."
});
}
}
steps.Add(new ActionStep {
Title = "Import Stored Credentials", Category = "Import", Substeps = credentialImportSteps, Key = "StoredCredentials"
});
var targetSiteBindings = new List <BindingInfo>();
if (await _targetServer?.IsAvailable() == true)
{
targetSiteBindings = await _targetServer.GetSiteBindingList(false);
}
// managed certs
var managedCertImportSteps = new List <ActionStep>();
foreach (var c in package.Content.ManagedCertificates)
{
var existing = await _itemManager.GetById(c.Id);
if (existing == null)
{
// check if item is auto deployment or single site, if single site warn if we don't have an exact match (convert to Auto)
DeploymentOption deploymentMode = c.RequestConfig.DeploymentSiteOption;
bool hasUnmatchedTargets = false;
bool siteIdChanged = false;
var warningMsg = "";
if (deploymentMode == DeploymentOption.SingleSite)
{
var targets = targetSiteBindings.Where(t => t.SiteId == c.ServerSiteId);
if (targets.Any())
{
//exact match on site id, check domains
var unmatchedDomains = new List <string>();
foreach (var d in c.GetCertificateDomains())
{
var t = targets.FirstOrDefault(ta => ta.Host == d);
if (t == null)
{
unmatchedDomains.Add(d);
hasUnmatchedTargets = true;
warningMsg += " " + d;
}
}
}
else
{
// no exact site id match, check if a different site is an exact match, if so migrate site id
// if no exact match, change to auto
}
}
else
{
// auto deploy, site id only used for IIS site selection in UI
}
if (!isPreviewMode)
{
// perform actual import
try
{
// TODO : re-map certificate pfx path, could be a different location on this instance
// warn if deployment task script paths don't match an existing file?
// TODO : warn if Certificate Authority ID does not match one we have (cert renewal will fail)
var result = await _itemManager.Update(c);
if (result != null)
{
managedCertImportSteps.Add(new ActionStep {
Title = c.Name, Key = c.Id, HasWarning = (hasUnmatchedTargets || siteIdChanged)
});
}
else
{
managedCertImportSteps.Add(new ActionStep {
Title = c.Name, Key = c.Id, HasError = true, Description = $"Failed to import item."
});
}
}
catch (Exception exp)
{
managedCertImportSteps.Add(new ActionStep {
Title = c.Name, Key = c.Id, HasError = true, Description = $"Failed to import item: {exp.Message}"
});
}
}
else
{
// preview only
managedCertImportSteps.Add(new ActionStep {
Title = c.Name, Key = c.Id
});
}
}
else
{
managedCertImportSteps.Add(new ActionStep {
Title = c.Name, Key = c.Id, HasWarning = true, Description = "Item already exists, it will not be re-imported."
});
}
}
steps.Add(new ActionStep {
Title = "Import Managed Certificates", Category = "Import", Substeps = managedCertImportSteps, Key = "ManagedCerts"
});
// certificate files
var certFileImportSteps = new List <ActionStep>();
foreach (var c in package.Content.CertificateFiles)
{
var pfxBytes = DecryptBytes(c.Content, settings.EncryptionSecret, package.EncryptionSalt);
X509Certificate2 cert = null;
try
{
cert = new X509Certificate2(pfxBytes);
}
catch (Exception)
{
// maybe we need a password
var managedCert = package.Content.ManagedCertificates.FirstOrDefault(m => m.CertificatePath == c.Filename && m.CertificatePasswordCredentialId != null);
if (managedCert != null)
{
//get stored cred
var cred = await _credentialsManager.GetUnlockedCredentialsDictionary(managedCert.CertificatePasswordCredentialId);
if (cred != null)
{
var pfxPwd = cred["password"];
cert = new X509Certificate2(pfxBytes, pfxPwd);
}
}
}
if (cert != null)
{
bool isVerified = cert.Verify();
if (!System.IO.File.Exists(c.Filename))
{
if (!isPreviewMode)
{
// perform actual import, TODO: re-map cert PFX storage location
try
{
System.IO.File.WriteAllBytes(c.Filename, c.Content);
certFileImportSteps.Add(new ActionStep {
Title = $"Importing PFX {cert.Subject}, expiring {cert.NotAfter}", Key = c.Filename, HasWarning = !isVerified, Description = isVerified ? null : "Certificate did not pass verify check."
});
}
catch (Exception exp)
{
certFileImportSteps.Add(new ActionStep {
Title = $"Importing PFX {cert.Subject}, expiring {cert.NotAfter}", Key = c.Filename, HasError = true, Description = $"Failed to write certificate to destination: {c.Filename} [{exp.Message}]"
});
}
}
else
{
// preview only
certFileImportSteps.Add(new ActionStep {
Title = $"Importing PFX {cert.Subject}, expiring {cert.NotAfter}", Key = c.Filename, HasWarning = !isVerified, Description = isVerified ? "Would import to " + c.Filename : "Certificate did not pass verify check."
});
}
}
else
{
certFileImportSteps.Add(new ActionStep {
Title = $"Importing PFX {cert.Subject}, expiring {cert.NotAfter}", Key = c.Filename, HasWarning = true, Description = "Output file already exists, it will not be re-imported"
});
}
}
else
{
certFileImportSteps.Add(new ActionStep {
Title = $"Importing PFX Failed", Key = c.Filename, HasWarning = true, Description = "Could not create PFX from bytes. Password may be incorrect."
});
}
}
steps.Add(new ActionStep {
Title = "Import Certificate Files", Category = "Import", Substeps = certFileImportSteps, Key = "CertFiles"
});
return(steps);
}
/// <summary>
/// Export the managed certificates and related settings for the given filter
/// </summary>
/// <param name="filter"></param>
/// <returns>Package of exported settings</returns>
public async Task <ImportExportPackage> PerformExport(ManagedCertificateFilter filter, ExportSettings settings, bool isPreview)
{
var salt = Guid.NewGuid().ToString();
var export = new ImportExportPackage
{
SourceName = Environment.MachineName,
ExportDate = DateTime.Now,
SystemVersion = Certify.Management.Util.GetAppVersion(),
EncryptionSalt = salt,
EncryptionValidation = new EncryptedContent
{
Content = EncryptBytes(Encoding.ASCII.GetBytes("Secret"), settings.EncryptionSecret, salt),
Scheme = EncryptionScheme
}
};
// export managed certs, related certificate files, stored credentials
// deployment tasks with local script or path references will need to copy the scripts separately. Need a summary of items to copy.
var managedCerts = await _itemManager.GetAll(filter);
export.Content = new ImportExportContent
{
ManagedCertificates = managedCerts,
CertificateFiles = new List <EncryptedContent>(),
Scripts = new List <EncryptedContent>(),
CertificateAuthorities = new List <CertificateAuthority>(),
StoredCredentials = new List <StoredCredential>()
};
// for each managed cert, export the current certificate files (if present)
foreach (var c in managedCerts)
{
if (!string.IsNullOrEmpty(c.CertificatePath) && System.IO.File.Exists(c.CertificatePath))
{
var certBytes = System.IO.File.ReadAllBytes(c.CertificatePath);
var encryptedBytes = EncryptBytes(certBytes, settings.EncryptionSecret, export.EncryptionSalt);
var content = new EncryptedContent {
Filename = c.CertificatePath, Scheme = EncryptionScheme, Content = encryptedBytes
};
export.Content.CertificateFiles.Add(content);
}
if (c.PreRequestTasks?.Any() == true)
{
export.Content.Scripts.AddRange(GetTaskScriptsAndContent(c.PreRequestTasks, settings.EncryptionSecret, export.EncryptionSalt));
}
if (c.PostRequestTasks?.Any() == true)
{
export.Content.Scripts.AddRange(GetTaskScriptsAndContent(c.PostRequestTasks, settings.EncryptionSecret, export.EncryptionSalt));
}
}
// for each managed cert, check used stored credentials (DNS challenges or deployment tasks)
var allCredentials = await _credentialsManager.GetCredentials();
var usedCredentials = new List <StoredCredential>();
if (settings.ExportAllStoredCredentials)
{
usedCredentials.AddRange(allCredentials);
}
else
{
foreach (var c in managedCerts)
{
// gather credentials used by cert
if (c.CertificatePasswordCredentialId != null)
{
if (!usedCredentials.Any(u => u.StorageKey == c.CertificatePasswordCredentialId))
{
usedCredentials.Add(allCredentials.Find(a => a.StorageKey == c.CertificatePasswordCredentialId));
}
}
// gather credentials used by tasks
var allTasks = new List <Config.DeploymentTaskConfig>();
if (c.PreRequestTasks != null)
{
allTasks.AddRange(c.PreRequestTasks);
}
if (c.PostRequestTasks != null)
{
allTasks.AddRange(c.PostRequestTasks);
}
if (allTasks.Any())
{
var usedTaskCredentials = allTasks
.Select(t => t.ChallengeCredentialKey)
.Distinct()
.Where(t => allCredentials.Any(ac => ac.StorageKey == t));
foreach (var used in usedTaskCredentials)
{
if (!usedCredentials.Any(u => u.StorageKey == used))
{
usedCredentials.Add(allCredentials.FirstOrDefault(u => u.StorageKey == used));
}
}
}
}
}
// decrypt each used stored credential, re-encrypt and base64 encode secret
foreach (var c in usedCredentials)
{
var decrypted = await _credentialsManager.GetUnlockedCredential(c.StorageKey);
if (decrypted != null)
{
var encBytes = EncryptBytes(Encoding.UTF8.GetBytes(decrypted), settings.EncryptionSecret, export.EncryptionSalt);
c.Secret = Convert.ToBase64String(encBytes);
}
}
export.Content.StoredCredentials = usedCredentials;
// for each managed cert, check and summarise used local scripts
// copy acme-dns settings
// export acme accounts?
return(export);
}
/// <summary>
///
/// </summary>
/// <param name="package"></param>
/// <param name="isPreviewMode"></param>
/// <returns></returns>
public async Task <List <ActionStep> > PerformImport(ImportExportPackage package, ImportSettings settings, bool isPreviewMode)
{
// apply import
var steps = new List <ActionStep>();
// import managed certs, certificate files, stored credentials, CAs
// stored credentials
var credentialImportSteps = new List <ActionStep>();
foreach (var c in package.Content.StoredCredentials)
{
var decodedBytes = Convert.FromBase64String(c.Secret);
var decryptedBytes = DecryptBytes(decodedBytes, settings.EncryptionSecret);
// convert decrypted bytes to UTF8 string and trim NUL
c.Secret = UTF8Encoding.UTF8.GetString(decryptedBytes).Trim('\0');
if (!isPreviewMode)
{
// perform actual import
}
credentialImportSteps.Add(new ActionStep {
Title = c.Title, Key = c.StorageKey
});
}
steps.Add(new ActionStep {
Title = "Import Stored Credentials", Category = "Import", Substeps = credentialImportSteps, Key = "StoredCredentials"
});
// managed certs
var managedCertImportSteps = new List <ActionStep>();
foreach (var c in package.Content.ManagedCertificates)
{
if (!isPreviewMode)
{
// perform actual import
}
managedCertImportSteps.Add(new ActionStep {
Title = c.Name, Key = c.Id
});
}
steps.Add(new ActionStep {
Title = "Import Managed Certificates", Category = "Import", Substeps = managedCertImportSteps, Key = "ManagedCerts"
});
// certificate files
var certFileImportSteps = new List <ActionStep>();
foreach (var c in package.Content.CertificateFiles)
{
var pfxBytes = DecryptBytes(c.Content, settings.EncryptionSecret);
var cert = new X509Certificate2(pfxBytes);
if (!isPreviewMode)
{
// perform actual import
cert.Verify();
}
else
{
// verify cert decrypt
cert.Verify();
}
certFileImportSteps.Add(new ActionStep {
Title = $"Importing PFX {cert.Subject}, expiring {cert.NotAfter}", Key = c.Filename
});
}
steps.Add(new ActionStep {
Title = "Import Certificate Files", Category = "Import", Substeps = certFileImportSteps, Key = "CertFiles"
});
// store and apply current certificates to bindings
return(steps);
}