private void writePolicy(Policy policy, JsonWriter generator)
{
generator.WriteObjectStart();
writePropertyValue(generator, JsonDocumentFields.VERSION, policy.Version);
if (policy.Id != null)
{
writePropertyValue(generator, JsonDocumentFields.POLICY_ID, policy.Id);
}
generator.WritePropertyName(JsonDocumentFields.STATEMENT);
generator.WriteArrayStart();
foreach (Statement statement in policy.Statements)
{
generator.WriteObjectStart();
if (statement.Id != null)
{
writePropertyValue(generator, JsonDocumentFields.STATEMENT_ID, statement.Id);
}
writePropertyValue(generator, JsonDocumentFields.STATEMENT_EFFECT, statement.Effect.ToString());
writePrincipals(statement, generator);
writeActions(statement, generator);
writeResources(statement, generator);
writeConditions(statement, generator);
generator.WriteObjectEnd();
}
generator.WriteArrayEnd();
generator.WriteObjectEnd();
}
private void WriteArray(JsonWriter writer, Shape array)
{
writer.WriteArrayStart();
var listShape = array.ListShape;
if (!listShape.IsStructure || !this._tcr.Contains(listShape.Name))
{
for (int i = 0; i < array.Name.Length % 5 + 2; i++)
{
Write(writer, listShape);
}
}
writer.WriteArrayEnd();
}
/// <summary>
/// Return a JSON represenation of the current metrics
/// </summary>
/// <returns></returns>
public string ToJSON()
{
if (!this.IsEnabled)
return "{ }";
var sb = new StringBuilder();
var jw = new JsonWriter(sb);
jw.WriteObjectStart();
jw.WritePropertyName("properties");
jw.WriteObjectStart();
foreach (var kvp in this.Properties)
{
jw.WritePropertyName(kvp.Key.ToString());
var properties = kvp.Value;
if (properties.Count > 1)
jw.WriteArrayStart();
foreach (var obj in properties)
{
if (obj == null)
jw.Write(null);
else
jw.Write(obj.ToString());
}
if (properties.Count > 1)
jw.WriteArrayEnd();
}
jw.WriteObjectEnd();
jw.WritePropertyName("timings");
jw.WriteObjectStart();
foreach (var kvp in this.Timings)
{
jw.WritePropertyName(kvp.Key.ToString());
var timings = kvp.Value;
if (timings.Count > 1)
jw.WriteArrayStart();
foreach (var timing in kvp.Value)
{
if (timing.IsFinished)
jw.Write(timing.ElapsedTime.TotalMilliseconds);
}
if (timings.Count > 1)
jw.WriteArrayEnd();
}
jw.WriteObjectEnd();
jw.WritePropertyName("counters");
jw.WriteObjectStart();
foreach (var kvp in this.Counters)
{
jw.WritePropertyName(kvp.Key.ToString());
jw.Write(kvp.Value);
}
jw.WriteObjectEnd();
jw.WriteObjectEnd();
return sb.ToString();
}
private void writeResources(Statement statement, JsonWriter generator)
{
IList<Resource> resources = statement.Resources;
if (resources == null || resources.Count == 0)
{
return;
}
generator.WritePropertyName(JsonDocumentFields.RESOURCE);
if (resources.Count > 1)
{
generator.WriteArrayStart();
}
foreach (Resource resource in resources)
{
generator.Write(resource.Id);
}
if (resources.Count > 1)
{
generator.WriteArrayEnd();
}
}
/// <summary>
/// Uses the specified generator to write the JSON data for the principals in
/// the specified policy statement.
/// </summary>
private void writePrincipals(Statement statement, JsonWriter generator)
{
IList<Principal> principals = statement.Principals;
if (principals == null || principals.Count == 0) return;
generator.WritePropertyName(JsonDocumentFields.PRINCIPAL);
generator.WriteObjectStart();
Dictionary<string, List<string>> principalIdsByScheme = new Dictionary<string, List<string>>();
foreach (Principal p in principals)
{
List<string> principalIds;
if (!principalIdsByScheme.TryGetValue(p.Provider, out principalIds))
{
principalIds = new List<string>();
principalIdsByScheme[p.Provider] = principalIds;
}
principalIds.Add(p.Id);
}
foreach (string scheme in principalIdsByScheme.Keys)
{
generator.WritePropertyName(scheme);
if (principalIdsByScheme[scheme].Count > 1)
{
generator.WriteArrayStart();
}
foreach (string principalId in principalIdsByScheme[scheme])
{
generator.Write(principalId);
}
if (principalIdsByScheme[scheme].Count > 1)
{
generator.WriteArrayEnd();
}
}
generator.WriteObjectEnd();
}
private void writeConditions(Statement statement, JsonWriter generator)
{
IList<Condition> conditions = statement.Conditions;
if (conditions == null || conditions.Count == 0)
{
return;
}
/*
* The condition values must be grouped by all the unique condition types and keys because
* the values are written out as an array per type and key.
*/
Dictionary<string, Dictionary<string, List<string>>> conditionsByTypeAndKeys = sortConditionsByTypeAndKey(conditions);
generator.WritePropertyName(JsonDocumentFields.CONDITION);
generator.WriteObjectStart();
foreach (KeyValuePair<string, Dictionary<string, List<string>>> typeEntry in conditionsByTypeAndKeys)
{
generator.WritePropertyName(typeEntry.Key);
generator.WriteObjectStart();
foreach (KeyValuePair<string, List<string>> keyEntry in typeEntry.Value)
{
IList<string> conditionValues = keyEntry.Value;
if (conditionValues.Count == 0)
continue;
generator.WritePropertyName(keyEntry.Key);
if (conditionValues.Count > 1)
{
generator.WriteArrayStart();
}
if (conditionValues != null && conditionValues.Count != 0)
{
foreach (string conditionValue in conditionValues)
{
generator.Write(conditionValue);
}
}
if (conditionValues.Count > 1)
{
generator.WriteArrayEnd();
}
}
generator.WriteObjectEnd();
}
generator.WriteObjectEnd();
}
private void writeActions(Statement statement, JsonWriter generator)
{
IList<ActionIdentifier> actions = statement.Actions;
if (actions == null || actions.Count == 0)
{
return;
}
generator.WritePropertyName(JsonDocumentFields.ACTION);
if (actions.Count > 1)
{
generator.WriteArrayStart();
}
foreach (ActionIdentifier action in actions)
{
generator.Write(action.ActionName);
}
if (actions.Count > 1)
{
generator.WriteArrayEnd();
}
}
private void WriteArray(JsonWriter writer, Shape array)
{
writer.WriteArrayStart();
for (int i = 0; i < array.Name.Length % 5 + 2; i++)
{
Write(writer, array.ListShape);
}
writer.WriteArrayEnd();
}
// Writes a JSON representation of the given DynamoDBEntry
private static void WriteJson(DynamoDBEntry entry, JsonWriter writer, DynamoDBEntryConversion conversion)
{
entry = entry.ToConvertedEntry(conversion);
var document = entry as Document;
if (document != null)
{
writer.WriteObjectStart();
// Both item attributes and entries in M type are unordered, so sorting by key
// http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html#DataModel.DataTypes
foreach (var kvp in document)
{
var name = kvp.Key;
var value = kvp.Value;
writer.WritePropertyName(name);
WriteJson(value, writer, conversion);
}
writer.WriteObjectEnd();
return;
}
var primitive = entry as Primitive;
if (primitive != null)
{
var type = primitive.Type;
var value = primitive.Value;
WritePrimitive(writer, type, value);
return;
}
var primitiveList = entry as PrimitiveList;
if (primitiveList != null)
{
var itemType = primitiveList.Type;
writer.WriteArrayStart();
foreach (var item in primitiveList.Entries)
{
var itemValue = item.Value;
WritePrimitive(writer, itemType, itemValue);
}
writer.WriteArrayEnd();
return;
}
var ddbList = entry as DynamoDBList;
if (ddbList != null)
{
writer.WriteArrayStart();
foreach(var item in ddbList.Entries)
{
WriteJson(item, writer, conversion);
}
writer.WriteArrayEnd();
return;
}
var ddbBool = entry as DynamoDBBool;
if (ddbBool != null)
{
writer.Write(ddbBool.Value);
return;
}
var ddbNull = entry as DynamoDBNull;
if (ddbNull != null)
{
writer.Write(null);
return;
}
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture,
"Unable to convert entry of type {0} to JSON", entry.GetType().FullName));
}
private static void WriteJson(IJsonWrapper obj, JsonWriter writer)
{
if (obj == null)
{
writer.Write(null);
return;
}
if (obj.IsString)
{
writer.Write(obj.GetString());
return;
}
if (obj.IsBoolean)
{
writer.Write(obj.GetBoolean());
return;
}
if (obj.IsDouble)
{
writer.Write(obj.GetDouble());
return;
}
if (obj.IsInt)
{
writer.Write(obj.GetInt());
return;
}
if (obj.IsLong)
{
writer.Write(obj.GetLong());
return;
}
if (obj.IsArray)
{
writer.WriteArrayStart();
foreach (object elem in (IList)obj)
{
WriteJson((JsonData)elem, writer);
}
writer.WriteArrayEnd();
return;
}
if (obj.IsObject)
{
writer.WriteObjectStart();
foreach (DictionaryEntry entry in ((IDictionary)obj))
{
writer.WritePropertyName((string)entry.Key);
WriteJson((JsonData)entry.Value, writer);
}
writer.WriteObjectEnd();
return;
}
}
private static void WriteValue(object obj, JsonWriter writer,
bool writer_is_private,
int depth)
{
if (depth > max_nesting_depth)
{
throw new JsonException(
String.Format("Max allowed object depth reached while " +
"trying to export from type {0}",
obj.GetType()));
}
if (obj == null)
{
writer.Write(null);
return;
}
if (obj is IJsonWrapper)
{
if (writer_is_private)
{
writer.TextWriter.Write(((IJsonWrapper)obj).ToJson());
}
else
{
((IJsonWrapper)obj).ToJson(writer);
}
return;
}
if (obj is String)
{
writer.Write((string)obj);
return;
}
if (obj is Double)
{
writer.Write((double)obj);
return;
}
if (obj is Int32)
{
writer.Write((int)obj);
return;
}
if (obj is Boolean)
{
writer.Write((bool)obj);
return;
}
if (obj is Int64)
{
writer.Write((long)obj);
return;
}
if (obj is Array)
{
writer.WriteArrayStart();
foreach (object elem in (Array)obj)
{
WriteValue(elem, writer, writer_is_private, depth + 1);
}
writer.WriteArrayEnd();
return;
}
if (obj is IList)
{
writer.WriteArrayStart();
foreach (object elem in (IList)obj)
{
WriteValue(elem, writer, writer_is_private, depth + 1);
}
writer.WriteArrayEnd();
return;
}
if (obj is IDictionary)
{
writer.WriteObjectStart();
foreach (DictionaryEntry entry in (IDictionary)obj)
{
writer.WritePropertyName((string)entry.Key);
WriteValue(entry.Value, writer, writer_is_private,
depth + 1);
}
writer.WriteObjectEnd();
return;
}
Type obj_type = obj.GetType();
// See if there's a custom exporter for the object
if (custom_exporters_table.ContainsKey(obj_type))
{
ExporterFunc exporter = custom_exporters_table[obj_type];
exporter(obj, writer);
return;
}
// If not, maybe there's a base exporter
if (base_exporters_table.ContainsKey(obj_type))
{
ExporterFunc exporter = base_exporters_table[obj_type];
exporter(obj, writer);
return;
}
// Last option, let's see if it's an enum
if (obj is Enum)
{
Type e_type = Enum.GetUnderlyingType(obj_type);
if (e_type == typeof(long) ||
e_type == typeof(uint) ||
e_type == typeof(ulong))
{
writer.Write((ulong)obj);
}
else
{
writer.Write((int)obj);
}
return;
}
// Okay, so it looks like the input should be exported as an
// object
AddTypeProperties(obj_type);
IList <PropertyMetadata> props = type_properties[obj_type];
writer.WriteObjectStart();
foreach (PropertyMetadata p_data in props)
{
if (p_data.IsField)
{
writer.WritePropertyName(p_data.Info.Name);
WriteValue(((FieldInfo)p_data.Info).GetValue(obj),
writer, writer_is_private, depth + 1);
}
else
{
PropertyInfo p_info = (PropertyInfo)p_data.Info;
if (p_info.CanRead)
{
writer.WritePropertyName(p_data.Info.Name);
WriteValue(p_info.GetValue(obj, null),
writer, writer_is_private, depth + 1);
}
}
}
writer.WriteObjectEnd();
}
private static void WriteJson(IJsonWrapper obj, JsonWriter writer)
{
if (obj == null)
{
writer.Write(null);
}
else if (obj.IsString)
{
writer.Write(obj.GetString());
}
else if (obj.IsBoolean)
{
writer.Write(obj.GetBoolean());
}
else if (obj.IsDouble)
{
writer.Write(obj.GetDouble());
}
else if (obj.IsInt)
{
writer.Write(obj.GetInt());
}
else if (obj.IsUInt)
{
writer.Write(obj.GetUInt());
}
else if (obj.IsLong)
{
writer.Write(obj.GetLong());
}
else if (obj.IsULong)
{
writer.Write(obj.GetULong());
}
else if (obj.IsArray)
{
writer.WriteArrayStart();
foreach (JsonData item in (IEnumerable)obj)
{
WriteJson(item, writer);
}
writer.WriteArrayEnd();
}
else if (obj.IsObject)
{
writer.WriteObjectStart();
IDictionaryEnumerator enumerator2 = ((IDictionary)obj).GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
DictionaryEntry dictionaryEntry = (DictionaryEntry)enumerator2.Current;
writer.WritePropertyName((string)dictionaryEntry.Key);
WriteJson((JsonData)dictionaryEntry.Value, writer);
}
}
finally
{
(enumerator2 as IDisposable)?.Dispose();
}
writer.WriteObjectEnd();
}
}
