private async Task <SignInResult> ExternalLoginSignInAsync(IUser user, ExternalLoginInfo info)
{
var claims = info.Principal.GetSerializableClaims();
var userRoles = await _userManager.GetRolesAsync(user);
var context = new UpdateRolesContext(user, info.LoginProvider, claims, userRoles);
string[] rolesToAdd = new string[0];
string[] rolesToRemove = new string[0];
var loginSettings = (await _siteService.GetSiteSettingsAsync()).As <LoginSettings>();
if (loginSettings.UseScriptToSyncRoles)
{
try
{
var jsonSerializerSettings = new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
var script = $"js: function syncRoles(context) {{\n{loginSettings.SyncRolesScript}\n}}\nvar context={JsonConvert.SerializeObject(context, jsonSerializerSettings)};\nsyncRoles(context);\nreturn context;";
dynamic evaluationResult = _scriptingManager.Evaluate(script, null, null, null);
rolesToAdd = (evaluationResult.rolesToAdd as object[]).Select(i => i.ToString()).ToArray();
rolesToRemove = (evaluationResult.rolesToRemove as object[]).Select(i => i.ToString()).ToArray();
}
catch (Exception ex)
{
_logger.LogError(ex, "Error Syncing Roles From External Provider {0}", info.LoginProvider);
}
}
else
{
foreach (var item in _externalLoginHandlers)
{
try
{
await item.UpdateRoles(context);
}
catch (Exception ex)
{
_logger.LogError(ex, "{externalLoginHandler} - IExternalLoginHandler.UpdateRoles threw an exception", item.GetType());
}
}
rolesToAdd = context.RolesToAdd;
rolesToRemove = context.RolesToRemove;
}
await _userManager.AddToRolesAsync(user, rolesToAdd.Distinct());
await _userManager.RemoveFromRolesAsync(user, rolesToRemove.Distinct());
return(await _signInManager.ExternalLoginSignInAsync(info.LoginProvider, info.ProviderKey, isPersistent : false, bypassTwoFactor : true));
}
/// <summary>
/// Traverse all the nodes of the json document and replaces their value if they are scripted.
/// </summary>
private void EvaluateJsonTree(IScriptingManager scriptingManager, JToken node)
{
switch (node.Type)
{
case JTokenType.Array:
var array = (JArray)node;
for (var i = 0; i < array.Count; i++)
{
EvaluateJsonTree(scriptingManager, array[i]);
}
break;
case JTokenType.Object:
foreach (var property in (JObject)node)
{
EvaluateJsonTree(scriptingManager, property.Value);
}
break;
case JTokenType.String:
var value = node.Value <string>();
// Evaluate the expression while the result is another expression
while (value.StartsWith("[") && value.EndsWith("]"))
{
value = value.Trim('[', ']');
value = (scriptingManager.Evaluate(value) ?? "").ToString();
((JValue)node).Value = value;
}
break;
}
}
/// <summary>
/// Traverse all the nodes of the json document and replaces their value if they are scripted.
/// </summary>
private void EvaluateJsonTree(IScriptingManager scriptingManager, RecipeExecutionContext context, JToken node)
{
switch (node.Type)
{
case JTokenType.Array:
var array = (JArray)node;
for (var i = 0; i < array.Count; i++)
{
EvaluateJsonTree(scriptingManager, context, array[i]);
}
break;
case JTokenType.Object:
foreach (var property in (JObject)node)
{
EvaluateJsonTree(scriptingManager, context, property.Value);
}
break;
case JTokenType.String:
var value = node.Value <string>();
// Evaluate the expression while the result is another expression
while (value.StartsWith('[') && value.EndsWith(']'))
{
value = value.Trim('[', ']');
value = (scriptingManager.Evaluate(value, context.RecipeDescriptor.FileProvider, context.RecipeDescriptor.BasePath, null) ?? "").ToString();
((JValue)node).Value = value;
}
break;
}
}
public async Task <string> GenerateUserName(string provider, IEnumerable <SerializableClaim> claims)
{
var registrationSettings = (await _siteService.GetSiteSettingsAsync()).As <RegistrationSettings>();
if (registrationSettings.UseScriptToGenerateUsername)
{
var context = new { userName = String.Empty, loginProvider = provider, externalClaims = claims };
var script = $"js: function generateUsername(context) {{\n{registrationSettings.GenerateUsernameScript}\n}}\nvar context = {JsonConvert.SerializeObject(context, _jsonSettings)};\ngenerateUsername(context);\nreturn context;";
dynamic evaluationResult = _scriptingManager.Evaluate(script, null, null, null);
if (evaluationResult?.userName != null)
{
return(evaluationResult.userName);
}
}
return(String.Empty);
}
public async Task <T> EvaluateAsync <T>(WorkflowExpression <T> expression, WorkflowExecutionContext workflowContext, params IGlobalMethodProvider[] scopedMethodProviders)
{
var workflowType = workflowContext.WorkflowType;
var directive = $"js:{expression}";
var expressionContext = new WorkflowExecutionScriptContext(workflowContext);
await _workflowContextHandlers.InvokeAsync(async x => await x.EvaluatingScriptAsync(expressionContext), _logger);
var methodProviders = scopedMethodProviders.Concat(expressionContext.ScopedMethodProviders);
return((T)_scriptingManager.Evaluate(directive, null, null, methodProviders));
}
/// <summary>
/// Traverse all the nodes of the json document and replaces their value if they are scripted.
/// </summary>
private void EvaluateJsonTree(IScriptingManager scriptingManager, RecipeExecutionContext context, JToken node)
{
switch (node.Type)
{
case JTokenType.Array:
var array = (JArray)node;
for (var i = 0; i < array.Count; i++)
{
EvaluateJsonTree(scriptingManager, context, array[i]);
}
break;
case JTokenType.Object:
foreach (var property in (JObject)node)
{
EvaluateJsonTree(scriptingManager, context, property.Value);
}
break;
case JTokenType.String:
const char scriptSeparator = ':';
var value = node.Value <string>();
// Evaluate the expression while the result is another expression
while (value.StartsWith('[') && value.EndsWith(']'))
{
var scriptSeparatorIndex = value.IndexOf(scriptSeparator);
// Only remove brackets if this is a valid script expression, e.g. '[js:xxx]', or '[file:xxx]'
if (!(scriptSeparatorIndex > -1 && value[1..scriptSeparatorIndex].All(c => Char.IsLetter(c))))
{
break;
}
value = value.Trim('[', ']');
value = (scriptingManager.Evaluate(
value,
context.RecipeDescriptor.FileProvider,
context.RecipeDescriptor.BasePath,
_methodProviders[context.ExecutionId])
?? "").ToString();
((JValue)node).Value = value;
}
break;
}
}
public async Task <T> EvaluateAsync <T>(WorkflowExpression <T> expression, WorkflowExecutionContext workflowContext, params IGlobalMethodProvider[] scopedMethodProviders)
{
if (String.IsNullOrWhiteSpace(expression.Expression))
{
return(await Task.FromResult <T>(default(T)));
}
var workflowType = workflowContext.WorkflowType;
var directive = $"js:{expression}";
var expressionContext = new WorkflowExecutionScriptContext(workflowContext);
await _workflowContextHandlers.InvokeAsync((h, expressionContext) => h.EvaluatingScriptAsync(expressionContext), expressionContext, _logger);
var methodProviders = scopedMethodProviders.Concat(expressionContext.ScopedMethodProviders);
return((T)_scriptingManager.Evaluate(directive, null, null, methodProviders));
}
/// <summary>
/// Traverse all the nodes of the json document and replaces their value if they are scripted.
/// </summary>
private void EvaluateJsonTree(IScriptingManager scriptingManager, JToken node)
{
var items = node as IEnumerable <JToken>;
switch (node.Type)
{
case JTokenType.Array:
foreach (var token in (JArray)node)
{
EvaluateJsonTree(scriptingManager, token);
}
break;
case JTokenType.Object:
foreach (var property in (JObject)node)
{
if (property.Value.Type == JTokenType.String)
{
var value = property.Value.Value <string>();
// Evaluate the expression while the result is another expression
while (value.StartsWith("[") && value.EndsWith("]"))
{
value = value.Trim('[', ']');
value = (scriptingManager.Evaluate(value) ?? "").ToString();
node[property.Key] = new JValue(value);
}
}
else
{
EvaluateJsonTree(scriptingManager, property.Value);
}
}
break;
}
}
/// <summary>
/// Executes javascript by prefixing the script .
/// </summary>
/// <param name="script">The script to evaluate</param>
/// <param name="scopedMethodProviders">A list of method providers scoped to the script evaluation.</param>
/// <returns>The result of the script if any.</returns>
public static object EvaluateJs(this IScriptingManager scriptingManager, string script, params IGlobalMethodProvider[] scopedMethodProviders)
{
var directive = $"js:{script}";
return(scriptingManager.Evaluate(directive, null, null, scopedMethodProviders));
}