private async Task <ModificationContext> GetModificationContext(HttpContext context, RequestPhase phase)
{
ModificationContext modificationContext = null;
if (phase == RequestPhase.Request)
{
var requestBodyBuffer = new MemoryStream();
await context.Request.Body.CopyToAsync(requestBodyBuffer);
requestBodyBuffer.Seek(0, SeekOrigin.Begin);
return(new ModificationContext(requestBodyBuffer, context.Request.ContentType));
}
if (phase == RequestPhase.Response)
{
var responseStreamBuffer = context.Response.Body;
responseStreamBuffer.Position = 0;
return(new ModificationContext(responseStreamBuffer, context.Response.ContentType));
}
return(modificationContext);
}
protected override void Execute(ModificationContext context, double level)
{
var viewRangeFactor = CrewBasicSkill.GetIncrementalSkillFactor(level);
context.SetValue(this.EffectiveDomains[0], ViewRangeFactorSkillKey, viewRangeFactor);
var crewTrainingLevelBuff = level / 10;
context.SetValue(this.EffectiveDomains[0], CrewTrainingLevelBuffSkillKey, crewTrainingLevelBuff);
}
protected override void Execute(ModificationContext context, double level)
{
var decrementalFactor = CrewBasicSkill.GetDecrementalSkillFactor(level);
context.SetValue(this.EffectiveDomains[0], AccuracyFactorSkillKey, decrementalFactor);
context.SetValue(this.EffectiveDomains[0], AimingTimeFactorSkillKey, decrementalFactor);
context.SetValue(this.EffectiveDomains[0], ShotDispersionFactorSkillKey, decrementalFactor);
var incrementalFactor = CrewBasicSkill.GetIncrementalSkillFactor(level);
context.SetValue(this.EffectiveDomains[0], TurretRotationSpeedSkillKey, incrementalFactor);
}
public async Task Register(ModificationContext modificationContext, IJSEngine engine)
{
string jsonContent = string.Empty;
using (StreamReader reader = new StreamReader(modificationContext.ContentStream, GetEncoding(modificationContext.ContentType)))
{
jsonContent = await reader.ReadToEndAsync();
}
_content = new StringBuilder(jsonContent);
engine.InitializeJsonApi(_content);
}
public async Task <IContentAbstraction> GetAbstractionProviderAsync(ModificationContext context)
{
var defaultAbstractionType = typeof(DefaultAbstraction);
var providerType = _options.Value.ContentProviders.GetProviderType(GetMediaType(context.ContentType));
providerType = providerType ?? defaultAbstractionType;
var instance = ActivateAbstraction(providerType);
var isContentValidForType = await instance.ValidateAsync(context);
return(isContentValidForType ? instance : ActivateAbstraction(defaultAbstractionType));
}
public async Task Register(ModificationContext modificationContext, IJSEngine engine)
{
string html = string.Empty;
using (StreamReader reader = new StreamReader(modificationContext.ContentStream, GetEncoding(modificationContext.ContentType)))
{
html = await reader.ReadToEndAsync();
}
if (!string.IsNullOrEmpty(html))
{
_htmlDocument = new HtmlDocument();
_htmlDocument.LoadHtml(html);
}
engine.InitializeHtmlDocumentApi(_htmlDocument);
}
public async Task <bool> ValidateAsync(ModificationContext context)
{
var content = await context.GetContentStringAsync();
if (content.Length == 0)
{
return(false);
}
var length = content.Length >= 100 ? 100 : content.Length;
var htmlStart = content
.TrimStart()
.Substring(0, length)
.Replace("\r", string.Empty)
.Replace("\n", string.Empty);
return(htmlStart.StartsWith("<"));
}
public async Task Register(ModificationContext modificationContext, IJSEngine engine)
{
string content = string.Empty;
var encoding = GetEncoding(modificationContext.ContentType);
if (encoding == null)
{
return;
}
using (StreamReader reader = new StreamReader(modificationContext.ContentStream, encoding))
{
content = await reader.ReadToEndAsync();
}
_content = new StringBuilder(content);
engine.InitializeContentApi(_content);
}
public void Modify(XElement ssdl, IProviderInformation newProvider)
{
if (ssdl == null)
{
throw new ArgumentNullException("root");
}
if (newProvider == null)
{
throw new ArgumentNullException("newProvider");
}
IElementModifier appropriateModifier = null;
XNamespace ns = ssdl.Name.Namespace;
// Find the appropriate modifier
if (ns == StorageSchemaV1Modifier.Namespace)
{
appropriateModifier = this.SchemaV1Modifier;
}
else if (ns == StorageSchemaV2Modifier.Namespace)
{
appropriateModifier = this.SchemaV2Modifier;
}
else if (ns == StorageSchemaV3Modifier.Namespace)
{
appropriateModifier = this.SchemaV3Modifier;
}
if (appropriateModifier == null)
{
throw new ArgumentException("", "root");
}
IModificationContext context = new ModificationContext();
context.Set(ModificationContextHelper.NewProvider, newProvider);
appropriateModifier.Modify(ssdl, context);
}
public void Modify(XElement ssdl, IProviderInformation newProvider)
{
if (ssdl == null)
{
throw new ArgumentNullException("root");
}
if (newProvider == null)
{
throw new ArgumentNullException("newProvider");
}
IElementModifier appropriateModifier = null;
XNamespace ns = ssdl.Name.Namespace;
// Find the appropriate modifier
if (ns == StorageSchemaV1Modifier.Namespace)
{
appropriateModifier = this.SchemaV1Modifier;
}
else if (ns == StorageSchemaV2Modifier.Namespace)
{
appropriateModifier = this.SchemaV2Modifier;
}
else if (ns == StorageSchemaV3Modifier.Namespace)
{
appropriateModifier = this.SchemaV3Modifier;
}
if (appropriateModifier == null)
{
throw new ArgumentException("", "root");
}
IModificationContext context = new ModificationContext();
context.Set(ModificationContextHelper.NewProvider, newProvider);
appropriateModifier.Modify(ssdl, context);
}
public IList <object> Modify(ModificationContext context, IList <object> instances)
{
if (context.MemberType.IsCompoundType() || context.MemberType.IsValueType)
{
return(instances);
}
if (context.Member != null &&
(context.Member.IsDefined(typeof(RequiredAttribute))))
{
return(instances);
}
var instancesToNull = (int)(instances.Count * _nullPercentage);
for (var i = 0; i < instancesToNull; i++)
{
instances[i] = null;
}
instances.Randomize(context.Random);
return(instances);
}
protected override void Execute(ModificationContext context, double level)
{
// todo: fire fighting speed formular unknown
}
protected override void Execute(ModificationContext context, double level)
{
// dummy
}
protected override void Execute(ModificationContext context, double level)
{
var signalRangeFactor = CrewBasicSkill.GetIncrementalSkillFactor(level);
context.SetValue(this.EffectiveDomains[0], SignalRangeFactorSkillKey, signalRangeFactor);
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], CrewTrainingLevelIncrementSkillKey, 0);
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], DistanceFactorPerLevelWhenDeviceWorkingSkillKey, 0);
context.SetValue(this.EffectiveDomains[0], DistanceFactorPerLevelWhenDeviceDestroyedSkillKey, 0);
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], RadioDistanceFactorSkillKey, 0);
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], ShotDispersionDecrementFactorSkillKey, 0);
}
protected override void Execute(ModificationContext context, double level)
{
context.SetValue(this.EffectiveDomains[0], ShotDispersionDecrementFactorSkillKey, this.Parameters["shotDispersionFactorPerLevel"] * level);
}
protected override void Execute(ModificationContext context, double level)
{
context.SetValue(this.EffectiveDomains[0], CrewTrainingLevelIncrementSkillKey, this.Parameters["crewLevelIncrease"]);
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], SoftGroundResistanceFactorDecrementSkillKey, 0);
context.SetValue(this.EffectiveDomains[0], MediumGroundResistanceFactorDecrementSkillKey, 0);
}
protected override void Execute(ModificationContext context, double level)
{
context.SetValue(this.EffectiveDomains[0], SoftGroundResistanceFactorDecrementSkillKey, this.Parameters["softGroundResistanceFactorPerLevel"] * level);
context.SetValue(this.EffectiveDomains[0], MediumGroundResistanceFactorDecrementSkillKey, this.Parameters["mediumGroundResistanceFactorPerLevel"] * level);
}
public async Task <bool> ValidateAsync(ModificationContext context)
{
return(true);
}
protected override void Clear(ModificationContext context)
{
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], ChassisRotationSpeedIncrementFactor, 0);
}
protected override void Execute(ModificationContext context, double level)
{
context.SetValue(this.EffectiveDomains[0], RadioDistanceFactorSkillKey, this.Parameters["radioDistanceFactorPerLevel"] * level);
}
protected override void Execute(ModificationContext context, double level)
{
context.SetValue(this.EffectiveDomains[0], EngineFireChanceDecrementSkillKey, this.Parameters["fireStartingChanceFactor"]);
}
protected override void Execute(ModificationContext context, double level)
{
context.SetValue(this.EffectiveDomains[0], DistanceFactorPerLevelWhenDeviceWorkingSkillKey, level * this.Parameters["distanceFactorPerLevelWhenDeviceWorking"]);
context.SetValue(this.EffectiveDomains[0], DistanceFactorPerLevelWhenDeviceDestroyedSkillKey, level * this.Parameters["distanceFactorPerLevelWhenDeviceDestroyed"]);
}
protected override void Clear(ModificationContext context)
{
context.SetValue(this.EffectiveDomains[0], EngineFireChanceDecrementSkillKey, 1.0);
}
protected override void Execute(ModificationContext context, double level)
{
var terrainResistanceFactor = CrewBasicSkill.GetDecrementalSkillFactor(level);
context.SetValue(this.EffectiveDomains[0], TerrainResistanceFactorSkillKey, terrainResistanceFactor);
}
private async Task ExecuteRules(HttpContext context, IContentAbstraction contentAbstraction, ModificationContext modificationContext, IEnumerable <JavascriptModifier> modifiers)
{
using (var jsEngine = _serviceProvider.GetService <IJSEngine>())
{
jsEngine.Start();
await contentAbstraction.Register(modificationContext, jsEngine);
foreach (var modifier in modifiers)
{
try
{
bool executeModificationFunction = string.IsNullOrEmpty(modifier.DiscoveryFunction) || jsEngine.Evaluate <bool>(modifier.DiscoveryFunction) ? true : false;
if (executeModificationFunction)
{
jsEngine.Execute(modifier.ModificationFunction);
}
}
catch (Exception ex)
{
_logger.LogError($"Rule Exception: {ex}");
}
}
}
}
