public ScimPatchObjectAnalysis(
ScimServerConfiguration serverConfiguration,
object objectToSearch,
string filter,
IContractResolver contractResolver,
Operation operation)
{
_ServerConfiguration = serverConfiguration;
_ContractResolver = contractResolver;
_Operation = operation;
PatchMembers = new List<PatchMember>();
/*
ScimFilter.cs will handle normalizing the actual path string.
Examples:
"path":"members"
"path":"name.familyName"
"path":"addresses[type eq \"work\"]"
"path":"members[value eq \"2819c223-7f76-453a-919d-413861904646\"]"
"path":"members[value eq \"2819c223-7f76-453a-919d-413861904646\"].displayName"
Once normalized, associate each resource member with its filter (if present).
This is represented as a PathMember, which is essentially a tuple of <memberName, memberFilter?>
*/
var pathTree = new ScimFilter(_ServerConfiguration.ResourceExtensionSchemas.Keys, filter).Paths.ToList();
var lastPosition = 0;
var nodes = GetAffectedMembers(pathTree, ref lastPosition, new Node(objectToSearch, null));
if ((pathTree.Count - lastPosition) > 1)
{
IsValidPathForAdd = false;
IsValidPathForRemove = false;
return;
}
foreach (var node in nodes)
{
var attribute = node.Target as MultiValuedAttribute;
JsonProperty attemptedProperty;
if (attribute != null && PathIsMultiValuedEnumerable(pathTree[pathTree.Count - 1].Path, node, out attemptedProperty))
{
/* Check if we're at a MultiValuedAttribute.
If so, then we'll return a special PatchMember. This is because our actual target is
an element within an enumerable. (e.g. User->Emails[element])
So a PatchMember must have three pieces of information: (following the example above)
> Parent (User)
> PropertyPath (emails)
> Actual Target (email instance/element)
*/
UseDynamicLogic = false;
IsValidPathForAdd = true;
IsValidPathForRemove = true;
PatchMembers.Add(
new PatchMember(
pathTree[pathTree.Count - 1].Path,
new JsonPatchProperty(attemptedProperty, node.Parent),
node.Target));
}
else
{
UseDynamicLogic = false;
var jsonContract = (JsonObjectContract)contractResolver.ResolveContract(node.Target.GetType());
attemptedProperty = jsonContract.Properties.GetClosestMatchProperty(pathTree[pathTree.Count - 1].Path);
if (attemptedProperty == null)
{
IsValidPathForAdd = false;
IsValidPathForRemove = false;
}
else
{
IsValidPathForAdd = true;
IsValidPathForRemove = true;
PatchMembers.Add(
new PatchMember(
pathTree[pathTree.Count - 1].Path,
new JsonPatchProperty(attemptedProperty, node.Target)));
}
}
}
}
public ScimPatchObjectAnalysis(
ScimServerConfiguration serverConfiguration,
object objectToSearch,
string filter,
IContractResolver contractResolver,
Operation operation)
{
_ServerConfiguration = serverConfiguration;
_ContractResolver = contractResolver;
_Operation = operation;
PatchMembers = new List <PatchMember>();
/*
* ScimFilter.cs will handle normalizing the actual path string.
*
* Examples:
* "path":"members"
* "path":"name.familyName"
* "path":"addresses[type eq \"work\"]"
* "path":"members[value eq \"2819c223-7f76-453a-919d-413861904646\"]"
* "path":"members[value eq \"2819c223-7f76-453a-919d-413861904646\"].displayName"
*
* Once normalized, associate each resource member with its filter (if present).
* This is represented as a PathMember, which is essentially a tuple of <memberName, memberFilter?>
*/
var pathTree = new ScimFilter(_ServerConfiguration.ResourceExtensionSchemas.Keys, filter).Paths.ToList();
var lastPosition = 0;
var nodes = GetAffectedMembers(pathTree, ref lastPosition, new Node(objectToSearch, null));
if ((pathTree.Count - lastPosition) > 1)
{
IsValidPathForAdd = false;
IsValidPathForRemove = false;
return;
}
foreach (var node in nodes)
{
var attribute = node.Target as MultiValuedAttribute;
JsonProperty attemptedProperty;
if (attribute != null && PathIsMultiValuedEnumerable(pathTree[pathTree.Count - 1].Path, node, out attemptedProperty))
{
/* Check if we're at a MultiValuedAttribute.
* If so, then we'll return a special PatchMember. This is because our actual target is
* an element within an enumerable. (e.g. User->Emails[element])
* So a PatchMember must have three pieces of information: (following the example above)
* > Parent (User)
* > PropertyPath (emails)
* > Actual Target (email instance/element)
*/
UseDynamicLogic = false;
IsValidPathForAdd = true;
IsValidPathForRemove = true;
PatchMembers.Add(
new PatchMember(
pathTree[pathTree.Count - 1].Path,
new JsonPatchProperty(attemptedProperty, node.Parent),
node.Target));
}
else
{
UseDynamicLogic = false;
var jsonContract = (JsonObjectContract)contractResolver.ResolveContract(node.Target.GetType());
attemptedProperty = jsonContract.Properties.GetClosestMatchProperty(pathTree[pathTree.Count - 1].Path);
if (attemptedProperty == null)
{
IsValidPathForAdd = false;
IsValidPathForRemove = false;
}
else
{
IsValidPathForAdd = true;
IsValidPathForRemove = true;
PatchMembers.Add(
new PatchMember(
pathTree[pathTree.Count - 1].Path,
new JsonPatchProperty(attemptedProperty, node.Target)));
}
}
}
}
public static ScimQueryOptions GetScimQueryOptions(this IReadableStringCollection collection, ScimServerConfiguration configuration)
{
var queryOptions = new ScimQueryOptions();
queryOptions.Attributes = collection.GetValues("attributes")
.ToMaybe()
.Bind(attributes => new HashSet<string>(attributes.Distinct(StringComparer.OrdinalIgnoreCase), StringComparer.OrdinalIgnoreCase).ToMaybe())
.FromMaybe(new HashSet<string>());
queryOptions.ExcludedAttributes = collection.GetValues("excludedAttributes")
.ToMaybe()
.Bind(attributes => new HashSet<string>(attributes.Distinct(StringComparer.OrdinalIgnoreCase), StringComparer.OrdinalIgnoreCase).ToMaybe())
.FromMaybe(new HashSet<string>());
queryOptions.Filter = collection.Get("filter")
.ToMaybe()
.Bind(filter =>
{
var scimFilter = new ScimFilter(configuration.ResourceExtensionSchemas.Keys, filter);
return PathFilterExpression.CreateFilterOnly(scimFilter.NormalizedFilterExpression).ToMaybe();
})
.FromMaybe(null);
queryOptions.SortBy = collection.Get("sortBy");
queryOptions.SortOrder = collection.Get("sortOrder")
.ToMaybe()
.Bind(
sortOrder =>
(sortOrder.Equals("descending", StringComparison.OrdinalIgnoreCase)
? SortOrder.Descending
: SortOrder.Ascending).ToMaybe())
.FromMaybe(SortOrder.Ascending); // default
queryOptions.StartIndex = collection.Get("startIndex")
.ToMaybe()
.Bind(index =>
{
// The 1-based index of the first query result. A value less than 1 SHALL be interpreted as 1.
int indexInt = 1;
try { indexInt = Convert.ToInt32(index); } catch {}
return (indexInt < 1 ? 1 : indexInt).ToMaybe();
})
.FromMaybe(1); // default
queryOptions.Count = collection.Get("count")
.ToMaybe()
.Bind(count =>
{
// Non-negative integer. Specifies the desired maximum number of query
// results per page, e.g., 10. A negative value SHALL be interpreted as
// "0". A value of "0" indicates that no resource indicates that no resource
// except for "totalResults".
int countInt = 0;
try { countInt = Convert.ToInt32(count); } catch { }
return (countInt < 0 ? 0 : countInt).ToMaybe();
})
.FromMaybe(configuration.GetFeature<ScimFeatureFilter>(ScimFeatureType.Filter).MaxResults); // default
return queryOptions;
}
public static ScimQueryOptions GetScimQueryOptions(this IReadableStringCollection collection, ScimServerConfiguration configuration)
{
var queryOptions = new ScimQueryOptions();
queryOptions.Attributes = collection.GetValues("attributes")
.ToMaybe()
.Bind(attributes => new HashSet <string>(attributes.Distinct(StringComparer.OrdinalIgnoreCase), StringComparer.OrdinalIgnoreCase).ToMaybe())
.FromMaybe(new HashSet <string>());
queryOptions.ExcludedAttributes = collection.GetValues("excludedAttributes")
.ToMaybe()
.Bind(attributes => new HashSet <string>(attributes.Distinct(StringComparer.OrdinalIgnoreCase), StringComparer.OrdinalIgnoreCase).ToMaybe())
.FromMaybe(new HashSet <string>());
queryOptions.Filter = collection.Get("filter")
.ToMaybe()
.Bind(filter =>
{
var scimFilter = new ScimFilter(configuration.ResourceExtensionSchemas.Keys, filter);
return(PathFilterExpression.CreateFilterOnly(scimFilter.NormalizedFilterExpression).ToMaybe());
})
.FromMaybe(null);
queryOptions.SortBy = collection.Get("sortBy");
queryOptions.SortOrder = collection.Get("sortOrder")
.ToMaybe()
.Bind(
sortOrder =>
(sortOrder.Equals("descending", StringComparison.OrdinalIgnoreCase)
? SortOrder.Descending
: SortOrder.Ascending).ToMaybe())
.FromMaybe(SortOrder.Ascending); // default
queryOptions.StartIndex = collection.Get("startIndex")
.ToMaybe()
.Bind(index =>
{
// The 1-based index of the first query result. A value less than 1 SHALL be interpreted as 1.
int indexInt = 1;
try { indexInt = Convert.ToInt32(index); } catch {}
return((indexInt < 1 ? 1 : indexInt).ToMaybe());
})
.FromMaybe(1); // default
queryOptions.Count = collection.Get("count")
.ToMaybe()
.Bind(count =>
{
// Non-negative integer. Specifies the desired maximum number of query
// results per page, e.g., 10. A negative value SHALL be interpreted as
// "0". A value of "0" indicates that no resource indicates that no resource
// except for "totalResults".
int countInt = 0;
try { countInt = Convert.ToInt32(count); } catch { }
return((countInt < 0 ? 0 : countInt).ToMaybe());
})
.FromMaybe(configuration.GetFeature <ScimFeatureFilter>(ScimFeatureType.Filter).MaxResults); // default
return(queryOptions);
}
