private async Task <List <Rule> > DeleteRulesInPolicy(RequestToDelete rulesToDelete)
{
string coveredBy = DelegationHelper.GetCoveredByFromMatch(rulesToDelete.PolicyMatch.CoveredBy, out int?coveredByUserId, out int?coveredByPartyId);
DelegationHelper.TryGetResourceFromAttributeMatch(rulesToDelete.PolicyMatch.Resource, out string org, out string app);
string policyPath;
try
{
policyPath = PolicyHelper.GetAltinnAppDelegationPolicyPath(org, app, rulesToDelete.PolicyMatch.OfferedByPartyId.ToString(), coveredByUserId, coveredByPartyId);
}
catch (Exception ex)
{
string rulesToDeleteString = string.Join(", ", rulesToDelete.RuleIds);
_logger.LogError(ex, "Not possible to build policy path App: {org}/{app} CoveredBy: {coveredBy} OfferedBy: {policyToDelete.PolicyMatch.OfferedByPartyId} RuleIds: {rulesToDeleteString}", org, app, coveredBy, rulesToDelete.PolicyMatch.OfferedByPartyId, rulesToDeleteString);
return(null);
}
if (!await _policyRepository.PolicyExistsAsync(policyPath))
{
_logger.LogWarning("No blob was found for the expected path: {policyPath} this must be removed without upading the database", policyPath);
return(null);
}
List <Rule> currentRules = await ProcessPolicyFile(policyPath, org, app, rulesToDelete);
return(currentRules);
}
/// <summary>
/// Method validating the model
/// </summary>
/// <param name="validationContext">The context to validate for</param>
/// <returns></returns>
public IEnumerable <ValidationResult> Validate(ValidationContext validationContext)
{
List <ValidationResult> validationResult = new List <ValidationResult>();
if (this.Count < 1)
{
validationResult.Add(new ValidationResult("Missing rulesToDelete in body"));
return(validationResult);
}
if (this.Any(r => r.RuleIds == null || r.RuleIds.Count == 0))
{
validationResult.Add(new ValidationResult("Not all RequestToDelete has RuleId"));
return(validationResult);
}
try
{
if (this.GroupBy(x => PolicyHelper.GetAltinnAppDelegationPolicyPath(x.PolicyMatch)).Any(g => g.Count() > 1))
{
validationResult.Add(new ValidationResult("Input should not contain any duplicate policies"));
return(validationResult);
}
}
catch
{
validationResult.Add(new ValidationResult("Not all requests to delete contains valid policy paths"));
return(validationResult);
}
return(validationResult);
}
private async Task <List <Rule> > DeleteAllRulesInPolicy(RequestToDelete policyToDelete)
{
DelegationHelper.TryGetResourceFromAttributeMatch(policyToDelete.PolicyMatch.Resource, out string org, out string app);
string coveredBy = DelegationHelper.GetCoveredByFromMatch(policyToDelete.PolicyMatch.CoveredBy, out int?coveredByUserId, out int?coveredByPartyId);
string policyPath;
try
{
policyPath = PolicyHelper.GetAltinnAppDelegationPolicyPath(org, app, policyToDelete.PolicyMatch.OfferedByPartyId.ToString(), coveredByUserId, coveredByPartyId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Not possible to build policy path App: {org}/{app} CoveredBy: {coveredBy} OfferedBy: {policyToDelete.PolicyMatch.OfferedByPartyId}", org, app, coveredBy, policyToDelete.PolicyMatch.OfferedByPartyId);
return(null);
}
if (!await _policyRepository.PolicyExistsAsync(policyPath))
{
_logger.LogWarning("No blob was found for the expected path: {policyPath} this must be removed without upading the database", policyPath);
return(null);
}
string leaseId = await _policyRepository.TryAcquireBlobLease(policyPath);
if (leaseId == null)
{
_logger.LogError("Could not acquire blob lease on delegation policy at path: {policyPath}", policyPath);
return(null);
}
try
{
DelegationChange currentChange = await _delegationRepository.GetCurrentDelegationChange($"{org}/{app}", policyToDelete.PolicyMatch.OfferedByPartyId, coveredByPartyId, coveredByUserId);
if (currentChange.DelegationChangeType == DelegationChangeType.RevokeLast)
{
_logger.LogWarning("The policy is already deleted for App: {org}/{app} CoveredBy: {coveredBy} OfferedBy: {policyToDelete.PolicyMatch.OfferedByPartyId}", org, app, coveredBy, policyToDelete.PolicyMatch.OfferedByPartyId);
return(null);
}
XacmlPolicy existingDelegationPolicy = await _prp.GetPolicyVersionAsync(currentChange.BlobStoragePolicyPath, currentChange.BlobStorageVersionId);
List <Rule> currentPolicyRules = new List <Rule>();
foreach (XacmlRule xacmlRule in existingDelegationPolicy.Rules)
{
currentPolicyRules.Add(PolicyHelper.CreateRuleFromPolicyAndRuleMatch(policyToDelete, xacmlRule));
}
existingDelegationPolicy.Rules.Clear();
Response <BlobContentInfo> response;
try
{
MemoryStream dataStream = PolicyHelper.GetXmlMemoryStreamFromXacmlPolicy(existingDelegationPolicy);
response = await _policyRepository.WritePolicyConditionallyAsync(policyPath, dataStream, leaseId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Writing of delegation policy at path: {policyPath} failed. Is delegation blob storage account alive and well?}", policyPath);
return(null);
}
DelegationChange change = new DelegationChange
{
DelegationChangeType = DelegationChangeType.RevokeLast,
AltinnAppId = $"{org}/{app}",
OfferedByPartyId = policyToDelete.PolicyMatch.OfferedByPartyId,
CoveredByPartyId = coveredByPartyId,
CoveredByUserId = coveredByUserId,
PerformedByUserId = policyToDelete.DeletedByUserId,
BlobStoragePolicyPath = policyPath,
BlobStorageVersionId = response.Value.VersionId
};
change = await _delegationRepository.InsertDelegation(change);
if (change == null || change.DelegationChangeId <= 0)
{
// Comment:
// This means that the current version of the root blob is no longer in sync with changes in authorization postgresql delegation.delegatedpolicy table.
// The root blob is in effect orphaned/ignored as the delegation policies are always to be read by version, and will be overritten by the next delegation change.
_logger.LogError("Writing of delegation change to authorization postgresql database failed for changes to delegation policy at path: {policyPath}. is authorization postgresql database alive and well?", policyPath);
return(null);
}
try
{
await _eventQueue.Push(change);
}
catch (Exception ex)
{
_logger.LogCritical(new EventId(delegationChangeEventQueueErrorId, "DelegationChangeEventQueue.Push.Error"), ex, "DeletePolicy could not push DelegationChangeEvent to DelegationChangeEventQueue. DelegationChangeEvent must be retried for successful sync with SBL Authorization. DelegationChange: {change}", change);
}
return(currentPolicyRules);
}
catch (Exception ex)
{
_logger.LogError(ex, "An exception occured while processing rules to delete in policy: {policyPath}", policyPath);
return(null);
}
finally
{
_policyRepository.ReleaseBlobLease(policyPath, leaseId);
}
}