Sindbad~EG File Manager
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
import { ValidationError } from './ValidationError';
import { ValidationTypes } from './ValidationTypes';
import { ValidationUtils } from './ValidationUtils';
import { isPromise, convertToArray } from '../utils';
import { getMetadataStorage } from '../metadata/MetadataStorage';
/**
* Executes validation over given object.
*/
var ValidationExecutor = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function ValidationExecutor(validator, validatorOptions) {
this.validator = validator;
this.validatorOptions = validatorOptions;
// -------------------------------------------------------------------------
// Properties
// -------------------------------------------------------------------------
this.awaitingPromises = [];
this.ignoreAsyncValidations = false;
// -------------------------------------------------------------------------
// Private Properties
// -------------------------------------------------------------------------
this.metadataStorage = getMetadataStorage();
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
ValidationExecutor.prototype.execute = function (object, targetSchema, validationErrors) {
var _this = this;
var _a, _b;
/**
* If there is no metadata registered it means possibly the dependencies are not flatterned and
* more than one instance is used.
*
* TODO: This needs proper handling, forcing to use the same container or some other proper solution.
*/
if (!this.metadataStorage.hasValidationMetaData && ((_a = this.validatorOptions) === null || _a === void 0 ? void 0 : _a.enableDebugMessages) === true) {
console.warn("No validation metadata found. No validation will be performed. There are multiple possible reasons:\n" +
" - There may be multiple class-validator versions installed. You will need to flatten your dependencies to fix the issue.\n" +
" - This validation runs before any file with validation decorator was parsed by NodeJS.");
}
var groups = this.validatorOptions ? this.validatorOptions.groups : undefined;
var strictGroups = (this.validatorOptions && this.validatorOptions.strictGroups) || false;
var always = (this.validatorOptions && this.validatorOptions.always) || false;
/** Forbid unknown values are turned on by default and any other value than false will enable it. */
var forbidUnknownValues = ((_b = this.validatorOptions) === null || _b === void 0 ? void 0 : _b.forbidUnknownValues) === undefined || this.validatorOptions.forbidUnknownValues !== false;
var targetMetadatas = this.metadataStorage.getTargetValidationMetadatas(object.constructor, targetSchema, always, strictGroups, groups);
var groupedMetadatas = this.metadataStorage.groupByPropertyName(targetMetadatas);
if (this.validatorOptions && forbidUnknownValues && !targetMetadatas.length) {
var validationError = new ValidationError();
if (!this.validatorOptions ||
!this.validatorOptions.validationError ||
this.validatorOptions.validationError.target === undefined ||
this.validatorOptions.validationError.target === true)
validationError.target = object;
validationError.value = undefined;
validationError.property = undefined;
validationError.children = [];
validationError.constraints = { unknownValue: 'an unknown value was passed to the validate function' };
validationErrors.push(validationError);
return;
}
if (this.validatorOptions && this.validatorOptions.whitelist)
this.whitelist(object, groupedMetadatas, validationErrors);
// General validation
Object.keys(groupedMetadatas).forEach(function (propertyName) {
var value = object[propertyName];
var definedMetadatas = groupedMetadatas[propertyName].filter(function (metadata) { return metadata.type === ValidationTypes.IS_DEFINED; });
var metadatas = groupedMetadatas[propertyName].filter(function (metadata) { return metadata.type !== ValidationTypes.IS_DEFINED && metadata.type !== ValidationTypes.WHITELIST; });
if (value instanceof Promise &&
metadatas.find(function (metadata) { return metadata.type === ValidationTypes.PROMISE_VALIDATION; })) {
_this.awaitingPromises.push(value.then(function (resolvedValue) {
_this.performValidations(object, resolvedValue, propertyName, definedMetadatas, metadatas, validationErrors);
}));
}
else {
_this.performValidations(object, value, propertyName, definedMetadatas, metadatas, validationErrors);
}
});
};
ValidationExecutor.prototype.whitelist = function (object, groupedMetadatas, validationErrors) {
var _this = this;
var notAllowedProperties = [];
Object.keys(object).forEach(function (propertyName) {
// does this property have no metadata?
if (!groupedMetadatas[propertyName] || groupedMetadatas[propertyName].length === 0)
notAllowedProperties.push(propertyName);
});
if (notAllowedProperties.length > 0) {
if (this.validatorOptions && this.validatorOptions.forbidNonWhitelisted) {
// throw errors
notAllowedProperties.forEach(function (property) {
var _a;
var validationError = _this.generateValidationError(object, object[property], property);
validationError.constraints = (_a = {}, _a[ValidationTypes.WHITELIST] = "property ".concat(property, " should not exist"), _a);
validationError.children = undefined;
validationErrors.push(validationError);
});
}
else {
// strip non allowed properties
notAllowedProperties.forEach(function (property) { return delete object[property]; });
}
}
};
ValidationExecutor.prototype.stripEmptyErrors = function (errors) {
var _this = this;
return errors.filter(function (error) {
if (error.children) {
error.children = _this.stripEmptyErrors(error.children);
}
if (Object.keys(error.constraints).length === 0) {
if (error.children.length === 0) {
return false;
}
else {
delete error.constraints;
}
}
return true;
});
};
// -------------------------------------------------------------------------
// Private Methods
// -------------------------------------------------------------------------
ValidationExecutor.prototype.performValidations = function (object, value, propertyName, definedMetadatas, metadatas, validationErrors) {
var customValidationMetadatas = metadatas.filter(function (metadata) { return metadata.type === ValidationTypes.CUSTOM_VALIDATION; });
var nestedValidationMetadatas = metadatas.filter(function (metadata) { return metadata.type === ValidationTypes.NESTED_VALIDATION; });
var conditionalValidationMetadatas = metadatas.filter(function (metadata) { return metadata.type === ValidationTypes.CONDITIONAL_VALIDATION; });
var validationError = this.generateValidationError(object, value, propertyName);
validationErrors.push(validationError);
var canValidate = this.conditionalValidations(object, value, conditionalValidationMetadatas);
if (!canValidate) {
return;
}
// handle IS_DEFINED validation type the special way - it should work no matter skipUndefinedProperties/skipMissingProperties is set or not
this.customValidations(object, value, definedMetadatas, validationError);
this.mapContexts(object, value, definedMetadatas, validationError);
if (value === undefined && this.validatorOptions && this.validatorOptions.skipUndefinedProperties === true) {
return;
}
if (value === null && this.validatorOptions && this.validatorOptions.skipNullProperties === true) {
return;
}
if ((value === null || value === undefined) &&
this.validatorOptions &&
this.validatorOptions.skipMissingProperties === true) {
return;
}
this.customValidations(object, value, customValidationMetadatas, validationError);
this.nestedValidations(value, nestedValidationMetadatas, validationError);
this.mapContexts(object, value, metadatas, validationError);
this.mapContexts(object, value, customValidationMetadatas, validationError);
};
ValidationExecutor.prototype.generateValidationError = function (object, value, propertyName) {
var validationError = new ValidationError();
if (!this.validatorOptions ||
!this.validatorOptions.validationError ||
this.validatorOptions.validationError.target === undefined ||
this.validatorOptions.validationError.target === true)
validationError.target = object;
if (!this.validatorOptions ||
!this.validatorOptions.validationError ||
this.validatorOptions.validationError.value === undefined ||
this.validatorOptions.validationError.value === true)
validationError.value = value;
validationError.property = propertyName;
validationError.children = [];
validationError.constraints = {};
return validationError;
};
ValidationExecutor.prototype.conditionalValidations = function (object, value, metadatas) {
return metadatas
.map(function (metadata) { return metadata.constraints[0](object, value); })
.reduce(function (resultA, resultB) { return resultA && resultB; }, true);
};
ValidationExecutor.prototype.customValidations = function (object, value, metadatas, error) {
var _this = this;
metadatas.forEach(function (metadata) {
_this.metadataStorage.getTargetValidatorConstraints(metadata.constraintCls).forEach(function (customConstraintMetadata) {
if (customConstraintMetadata.async && _this.ignoreAsyncValidations)
return;
if (_this.validatorOptions &&
_this.validatorOptions.stopAtFirstError &&
Object.keys(error.constraints || {}).length > 0)
return;
var validationArguments = {
targetName: object.constructor ? object.constructor.name : undefined,
property: metadata.propertyName,
object: object,
value: value,
constraints: metadata.constraints,
};
if (!metadata.each || !(Array.isArray(value) || value instanceof Set || value instanceof Map)) {
var validatedValue = customConstraintMetadata.instance.validate(value, validationArguments);
if (isPromise(validatedValue)) {
var promise = validatedValue.then(function (isValid) {
if (!isValid) {
var _a = __read(_this.createValidationError(object, value, metadata, customConstraintMetadata), 2), type = _a[0], message = _a[1];
error.constraints[type] = message;
if (metadata.context) {
if (!error.contexts) {
error.contexts = {};
}
error.contexts[type] = Object.assign(error.contexts[type] || {}, metadata.context);
}
}
});
_this.awaitingPromises.push(promise);
}
else {
if (!validatedValue) {
var _a = __read(_this.createValidationError(object, value, metadata, customConstraintMetadata), 2), type = _a[0], message = _a[1];
error.constraints[type] = message;
}
}
return;
}
// convert set and map into array
var arrayValue = convertToArray(value);
// Validation needs to be applied to each array item
var validatedSubValues = arrayValue.map(function (subValue) {
return customConstraintMetadata.instance.validate(subValue, validationArguments);
});
var validationIsAsync = validatedSubValues.some(function (validatedSubValue) {
return isPromise(validatedSubValue);
});
if (validationIsAsync) {
// Wrap plain values (if any) in promises, so that all are async
var asyncValidatedSubValues = validatedSubValues.map(function (validatedSubValue) {
return isPromise(validatedSubValue) ? validatedSubValue : Promise.resolve(validatedSubValue);
});
var asyncValidationIsFinishedPromise = Promise.all(asyncValidatedSubValues).then(function (flatValidatedValues) {
var validationResult = flatValidatedValues.every(function (isValid) { return isValid; });
if (!validationResult) {
var _a = __read(_this.createValidationError(object, value, metadata, customConstraintMetadata), 2), type = _a[0], message = _a[1];
error.constraints[type] = message;
if (metadata.context) {
if (!error.contexts) {
error.contexts = {};
}
error.contexts[type] = Object.assign(error.contexts[type] || {}, metadata.context);
}
}
});
_this.awaitingPromises.push(asyncValidationIsFinishedPromise);
return;
}
var validationResult = validatedSubValues.every(function (isValid) { return isValid; });
if (!validationResult) {
var _b = __read(_this.createValidationError(object, value, metadata, customConstraintMetadata), 2), type = _b[0], message = _b[1];
error.constraints[type] = message;
}
});
});
};
ValidationExecutor.prototype.nestedValidations = function (value, metadatas, error) {
var _this = this;
if (value === void 0) {
return;
}
metadatas.forEach(function (metadata) {
if (metadata.type !== ValidationTypes.NESTED_VALIDATION && metadata.type !== ValidationTypes.PROMISE_VALIDATION) {
return;
}
else if (_this.validatorOptions &&
_this.validatorOptions.stopAtFirstError &&
Object.keys(error.constraints || {}).length > 0) {
return;
}
if (Array.isArray(value) || value instanceof Set || value instanceof Map) {
// Treats Set as an array - as index of Set value is value itself and it is common case to have Object as value
var arrayLikeValue = value instanceof Set ? Array.from(value) : value;
arrayLikeValue.forEach(function (subValue, index) {
_this.performValidations(value, subValue, index.toString(), [], metadatas, error.children);
});
}
else if (value instanceof Object) {
var targetSchema = typeof metadata.target === 'string' ? metadata.target : metadata.target.name;
_this.execute(value, targetSchema, error.children);
}
else {
var _a = __read(_this.createValidationError(metadata.target, value, metadata), 2), type = _a[0], message = _a[1];
error.constraints[type] = message;
}
});
};
ValidationExecutor.prototype.mapContexts = function (object, value, metadatas, error) {
var _this = this;
return metadatas.forEach(function (metadata) {
if (metadata.context) {
var customConstraint = void 0;
if (metadata.type === ValidationTypes.CUSTOM_VALIDATION) {
var customConstraints = _this.metadataStorage.getTargetValidatorConstraints(metadata.constraintCls);
customConstraint = customConstraints[0];
}
var type = _this.getConstraintType(metadata, customConstraint);
if (error.constraints[type]) {
if (!error.contexts) {
error.contexts = {};
}
error.contexts[type] = Object.assign(error.contexts[type] || {}, metadata.context);
}
}
});
};
ValidationExecutor.prototype.createValidationError = function (object, value, metadata, customValidatorMetadata) {
var targetName = object.constructor ? object.constructor.name : undefined;
var type = this.getConstraintType(metadata, customValidatorMetadata);
var validationArguments = {
targetName: targetName,
property: metadata.propertyName,
object: object,
value: value,
constraints: metadata.constraints,
};
var message = metadata.message || '';
if (!metadata.message &&
(!this.validatorOptions || (this.validatorOptions && !this.validatorOptions.dismissDefaultMessages))) {
if (customValidatorMetadata && customValidatorMetadata.instance.defaultMessage instanceof Function) {
message = customValidatorMetadata.instance.defaultMessage(validationArguments);
}
}
var messageString = ValidationUtils.replaceMessageSpecialTokens(message, validationArguments);
return [type, messageString];
};
ValidationExecutor.prototype.getConstraintType = function (metadata, customValidatorMetadata) {
var type = customValidatorMetadata && customValidatorMetadata.name ? customValidatorMetadata.name : metadata.type;
return type;
};
return ValidationExecutor;
}());
export { ValidationExecutor };
//# sourceMappingURL=ValidationExecutor.js.map
Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists