validations.js

/*!
 * Laravel Javascript Validation
 *
 * https://github.com/proengsoft/laravel-jsvalidation
 *
 * Methods that implement Laravel Validations
 *
 * Copyright (c) 2017 Proengsoft
 * Released under the MIT license
 */

$.extend(true, laravelValidation, {

    methods:{

        helpers: laravelValidation.helpers,

        jsRemoteTimer:0,

        /**
         * "Validate" optional attributes.
         * Always returns true, just lets us put sometimes in rules.
         *
         * @return {boolean}
         */
        Sometimes: function() {
            return true;
        },

        /**
         * Bail This is the default behaivour os JSValidation.
         * Always returns true, just lets us put sometimes in rules.
         *
         * @return {boolean}
         */
        Bail: function() {
            return true;
        },

        /**
         * "Indicate" validation should pass if value is null.
         * Always returns true, just lets us put "nullable" in rules.
         *
         * @return {boolean}
         */
        Nullable: function() {
            return true;
        },

        /**
         * Validate the given attribute is filled if it is present.
         */
        Filled: function(value, element) {
            return $.validator.methods.required.call(this, value, element, true);
        },


        /**
         * Validate that a required attribute exists.
         */
        Required: function(value, element) {
            return  $.validator.methods.required.call(this, value, element);
        },

        /**
         * Validate that an attribute exists when any other attribute exists.
         *
         * @return {boolean}
         */
        RequiredWith: function(value, element, params) {
            var validator=this,
                required=false;
            var currentObject=this;

            $.each(params,function(i,param) {
                var target=laravelValidation.helpers.dependentElement(
                    currentObject, element, param
                );
                required=required || (
                    target!==undefined &&
                    $.validator.methods.required.call(
                        validator,
                        currentObject.elementValue(target),
                        target,true
                    ));
            });

            if (required) {
                return  $.validator.methods.required.call(this, value, element, true);
            }
            return true;
        },

        /**
         * Validate that an attribute exists when all other attribute exists.
         *
         * @return {boolean}
         */
        RequiredWithAll: function(value, element, params) {
            var validator=this,
                required=true;
            var currentObject=this;

            $.each(params,function(i,param) {
                var target=laravelValidation.helpers.dependentElement(
                    currentObject, element, param
                );
                required = required && (
                      target!==undefined &&
                      $.validator.methods.required.call(
                          validator,
                          currentObject.elementValue(target),
                          target,true
                      ));
            });

            if (required) {
                return  $.validator.methods.required.call(this, value, element, true);
            }
            return true;
        },

        /**
         * Validate that an attribute exists when any other attribute does not exists.
         *
         * @return {boolean}
         */
        RequiredWithout: function(value, element, params) {
            var validator=this,
                required=false;
            var currentObject=this;

            $.each(params,function(i,param) {
                var target=laravelValidation.helpers.dependentElement(
                    currentObject, element, param
                );
                required = required ||
                    target===undefined||
                    !$.validator.methods.required.call(
                        validator,
                        currentObject.elementValue(target),
                        target,true
                    );
            });

            if (required) {
                return  $.validator.methods.required.call(this, value, element, true);
            }
            return true;
        },

        /**
         * Validate that an attribute exists when all other attribute does not exists.
         *
         * @return {boolean}
         */
        RequiredWithoutAll: function(value, element, params) {
            var validator=this,
                required=true,
                currentObject=this;

            $.each(params,function(i, param) {
                var target=laravelValidation.helpers.dependentElement(
                    currentObject, element, param
                );
                required = required && (
                    target===undefined ||
                    !$.validator.methods.required.call(
                        validator,
                        currentObject.elementValue(target),
                        target,true
                    ));
            });

            if (required) {
                return  $.validator.methods.required.call(this, value, element, true);
            }
            return true;
        },

        /**
         * Validate that an attribute exists when another attribute has a given value.
         *
         * @return {boolean}
         */
        RequiredIf: function(value, element, params) {

            var target=laravelValidation.helpers.dependentElement(
                this, element, params[0]
            );

            if (target!==undefined) {
                var val=String(this.elementValue(target));
                if (typeof val !== 'undefined') {
                    var data = params.slice(1);
                    if ($.inArray(val, data) !== -1) {
                        return $.validator.methods.required.call(
                            this, value, element, true
                        );
                    }
                }
            }

            return true;
        },

        /**
         * Validate that an attribute exists when another
         * attribute does not have a given value.
         *
         * @return {boolean}
         */
        RequiredUnless: function(value, element, params) {

            var target=laravelValidation.helpers.dependentElement(
                this, element, params[0]
            );

            if (target!==undefined) {
                var val=String(this.elementValue(target));
                if (typeof val !== 'undefined') {
                    var data = params.slice(1);
                    if ($.inArray(val, data) !== -1) {
                        return true;
                    }
                }
            }

            return $.validator.methods.required.call(
                this, value, element, true
            );

        },

        /**
         * Validate that an attribute has a matching confirmation.
         *
         * @return {boolean}
         */
        Confirmed: function(value, element, params) {
            return laravelValidation.methods.Same.call(this,value, element, params);
        },

        /**
         * Validate that two attributes match.
         *
         * @return {boolean}
         */
        Same: function(value, element, params) {

            var target=laravelValidation.helpers.dependentElement(
                this, element, params[0]
            );

            if (target!==undefined) {
                return String(value) === String(this.elementValue(target));
            }
            return false;
        },

        /**
         * Validate that the values of an attribute is in another attribute.
         *
         * @param value
         * @param element
         * @param params
         * @returns {boolean}
         * @constructor
         */
        InArray: function (value, element, params) {
            if (typeof params[0] === 'undefined') {
                return false;
            }
            var elements = this.elements();
            var found = false;
            var nameRegExp = laravelValidation.helpers.regexFromWildcard(params[0]);

            for ( var i = 0; i < elements.length ; i++ ) {
                var targetName = elements[i].name;
                if (targetName.match(nameRegExp)) {
                    var equals = laravelValidation.methods.Same.call(this,value, element, [targetName]);
                    found = found || equals;
                }
            }

            return found;
        },

        /**
         * Validate an attribute is unique among other values.
         *
         * @param value
         * @param element
         * @param params
         * @returns {boolean}
         */
        Distinct: function (value, element, params) {
            if (typeof params[0] === 'undefined') {
                return false;
            }

            var elements = this.elements();
            var found = false;
            var nameRegExp = laravelValidation.helpers.regexFromWildcard(params[0]);

            for ( var i = 0; i < elements.length ; i++ ) {
                var targetName = elements[i].name;
                if (targetName !== element.name && targetName.match(nameRegExp)) {
                    var equals = laravelValidation.methods.Same.call(this,value, element, [targetName]);
                    found = found || equals;
                }
            }

            return !found;
        },


        /**
         * Validate that an attribute is different from another attribute.
         *
         * @return {boolean}
         */
        Different: function(value, element, params) {
            return ! laravelValidation.methods.Same.call(this,value, element, params);
        },

        /**
         * Validate that an attribute was "accepted".
         * This validation rule implies the attribute is "required".
         *
         * @return {boolean}
         */
        Accepted: function(value) {
            var regex = new RegExp("^(?:(yes|on|1|true))$",'i');
            return regex.test(value);
        },

        /**
         * Validate that an attribute is an array.
         *
         * @param value
         * @param element
         */
        Array: function(value, element) {
            if (element.name.indexOf('[') !== -1 && element.name.indexOf(']') !== -1) {
                return true;
            }

            return laravelValidation.helpers.isArray(value);
        },

        /**
         * Validate that an attribute is a boolean.
         *
         * @return {boolean}
         */
        Boolean: function(value) {
            var regex= new RegExp("^(?:(true|false|1|0))$",'i');
            return  regex.test(value);
        },

        /**
         * Validate that an attribute is an integer.
         *
         * @return {boolean}
         */
        Integer: function(value) {
            var regex= new RegExp("^(?:-?\\d+)$",'i');
            return  regex.test(value);
        },

        /**
         * Validate that an attribute is numeric.
         */
        Numeric: function(value, element) {
            return $.validator.methods.number.call(this, value, element, true);
        },

        /**
         * Validate that an attribute is a string.
         *
         * @return {boolean}
         */
        String: function(value) {
            return typeof value === 'string';
        },

        /**
         * The field under validation must be numeric and must have an exact length of value.
         */
        Digits: function(value, element, params) {
            return (
                $.validator.methods.number.call(this, value, element, true) &&
                value.length === parseInt(params, 10)
            );
        },

        /**
         * The field under validation must have a length between the given min and max.
         */
        DigitsBetween: function(value, element, params) {
            return ($.validator.methods.number.call(this, value, element, true)
                && value.length>=parseFloat(params[0]) && value.length<=parseFloat(params[1]));
        },

        /**
         * Validate the size of an attribute.
         *
         * @return {boolean}
         */
        Size: function(value, element, params) {
            return laravelValidation.helpers.getSize(this, element,value) === parseFloat(params[0]);
        },

        /**
         * Validate the size of an attribute is between a set of values.
         *
         * @return {boolean}
         */
        Between: function(value, element, params) {
            return ( laravelValidation.helpers.getSize(this, element,value) >= parseFloat(params[0]) &&
                laravelValidation.helpers.getSize(this,element,value) <= parseFloat(params[1]));
        },

        /**
         * Validate the size of an attribute is greater than a minimum value.
         *
         * @return {boolean}
         */
        Min: function(value, element, params) {
            return laravelValidation.helpers.getSize(this, element,value) >= parseFloat(params[0]);
        },

        /**
         * Validate the size of an attribute is less than a maximum value.
         *
         * @return {boolean}
         */
        Max: function(value, element, params) {
            return laravelValidation.helpers.getSize(this, element,value) <= parseFloat(params[0]);
        },

        /**
         * Validate an attribute is contained within a list of values.
         *
         * @return {boolean}
         */
        In: function(value, element, params) {
            if (laravelValidation.helpers.isArray(value)
                && laravelValidation.helpers.hasRules(element, "Array")
            ) {
                var diff = laravelValidation.helpers.arrayDiff(value, params);

                return Object.keys(diff).length === 0;
            }

            return params.indexOf(value.toString()) !== -1;
        },

        /**
         * Validate an attribute is not contained within a list of values.
         *
         * @return {boolean}
         */
        NotIn: function(value, element, params) {
            return params.indexOf(value.toString()) === -1;
        },

        /**
         * Validate that an attribute is a valid IP.
         *
         * @return {boolean}
         */
        Ip: function(value) {
            return /^(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)$/i.test(value) ||
                /^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$/i.test(value);
        },

        /**
         * Validate that an attribute is a valid e-mail address.
         */
        Email: function(value, element) {
            return $.validator.methods.email.call(this, value, element, true);
        },

        /**
         * Validate that an attribute is a valid URL.
         */
        Url: function(value, element) {
            return $.validator.methods.url.call(this, value, element, true);
        },

        /**
         * The field under validation must be a successfully uploaded file.
         *
         * @return {boolean}
         */
        File: function(value, element) {
            if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
                return true;
            }
            if ('files' in element ) {
                return (element.files.length > 0);
            }
            return false;
        },

        /**
         * Validate the MIME type of a file upload attribute is in a set of MIME types.
         *
         * @return {boolean}
         */
        Mimes: function(value, element, params) {
            if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
                return true;
            }
            var lowerParams = $.map(params, function(item) {
                return item.toLowerCase();
            });

            var fileinfo = laravelValidation.helpers.fileinfo(element);
            return (fileinfo !== false && lowerParams.indexOf(fileinfo.extension.toLowerCase())!==-1);
        },

        /**
         * The file under validation must match one of the given MIME types.
         *
         * @return {boolean}
         */
        Mimetypes: function(value, element, params) {
            if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
                return true;
            }
            var lowerParams = $.map(params, function(item) {
                return item.toLowerCase();
            });

            var fileinfo = laravelValidation.helpers.fileinfo(element);

            if (fileinfo === false) {
                return false;
            }
            return (lowerParams.indexOf(fileinfo.type.toLowerCase())!==-1);
        },

        /**
         * Validate the MIME type of a file upload attribute is in a set of MIME types.
         */
        Image: function(value, element) {
            return laravelValidation.methods.Mimes.call(this, value, element, [
                'jpg', 'png', 'gif', 'bmp', 'svg', 'jpeg'
            ]);
        },

        /**
         * Validate dimensions of Image.
         *
         * @return {boolean|string}
         */
        Dimensions: function(value, element, params, callback) {
            if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
                return true;
            }
            if (element.files === null || typeof element.files[0] === 'undefined') {
                return false;
            }

            var fr = new FileReader;
            fr.onload = function () {
                var img = new Image();
                img.onload = function () {
                    var height = parseFloat(img.naturalHeight);
                    var width = parseFloat(img.naturalWidth);
                    var ratio = width / height;
                    var notValid = ((params['width']) && parseFloat(params['width'] !== width)) ||
                        ((params['min_width']) && parseFloat(params['min_width']) > width) ||
                        ((params['max_width']) && parseFloat(params['max_width']) < width) ||
                        ((params['height']) && parseFloat(params['height']) !== height) ||
                        ((params['min_height']) && parseFloat(params['min_height']) > height) ||
                        ((params['max_height']) && parseFloat(params['max_height']) < height) ||
                        ((params['ratio']) && ratio !== parseFloat(eval(params['ratio']))
                        );
                    callback(! notValid);
                };
                img.onerror = function() {
                    callback(false);
                };
                img.src = fr.result;
            };
            fr.readAsDataURL(element.files[0]);

            return 'pending';
        },

        /**
         * Validate that an attribute contains only alphabetic characters.
         *
         * @return {boolean}
         */
        Alpha: function(value) {
            if (typeof  value !== 'string') {
                return false;
            }

            var regex = new RegExp("^(?:^[a-z\u00E0-\u00FC]+$)$",'i');
            return  regex.test(value);

        },

        /**
         * Validate that an attribute contains only alpha-numeric characters.
         *
         * @return {boolean}
         */
        AlphaNum: function(value) {
            if (typeof  value !== 'string') {
                return false;
            }
            var regex = new RegExp("^(?:^[a-z0-9\u00E0-\u00FC]+$)$",'i');
            return regex.test(value);
        },

        /**
         * Validate that an attribute contains only alphabetic characters.
         *
         * @return {boolean}
         */
        AlphaDash: function(value) {
            if (typeof  value !== 'string') {
                return false;
            }
            var regex = new RegExp("^(?:^[a-z0-9\u00E0-\u00FC_-]+$)$",'i');
            return regex.test(value);
        },

        /**
         * Validate that an attribute passes a regular expression check.
         *
         * @return {boolean}
         */
        Regex: function(value, element, params) {
            var invalidModifiers=['x','s','u','X','U','A'];
            // Converting php regular expression
            var phpReg= new RegExp('^(?:\/)(.*\\\/?[^\/]*|[^\/]*)(?:\/)([gmixXsuUAJ]*)?$');
            var matches=params[0].match(phpReg);
            if (matches === null) {
                return false;
            }
            // checking modifiers
            var php_modifiers=[];
            if (matches[2]!==undefined) {
                php_modifiers=matches[2].split('');
                for (var i=0; i<php_modifiers.length<i ;i++) {
                    if (invalidModifiers.indexOf(php_modifiers[i])!==-1) {
                        return true;
                    }
                }
            }
            var regex = new RegExp("^(?:"+matches[1]+")$",php_modifiers.join());
            return   regex.test(value);
        },

        /**
         * Validate that an attribute is a valid date.
         *
         * @return {boolean}
         */
        Date: function(value) {
            return (laravelValidation.helpers.strtotime(value)!==false);
        },

        /**
         * Validate that an attribute matches a date format.
         *
         * @return {boolean}
         */
        DateFormat: function(value, element, params) {
            return laravelValidation.helpers.parseTime(value,params[0])!==false;
        },

        /**
         * Validate the date is before a given date.
         *
         * @return {boolean}
         */
        Before: function(value, element, params) {
            return laravelValidation.helpers.compareDates(this, value, element, params, '<');
        },

        /**
         * Validate the date is equal or before a given date.
         *
         * @return {boolean}
         */
        BeforeOrEqual: function(value, element, params) {
            return laravelValidation.helpers.compareDates(this, value, element, params, '<=');
        },

        /**
         * Validate the date is after a given date.
         *
         * @return {boolean}
         */
        After: function(value, element, params) {
            return laravelValidation.helpers.compareDates(this, value, element, params, '>');
        },

        /**
         * Validate the date is equal or after a given date.
         *
         * @return {boolean}
         */
        AfterOrEqual: function(value, element, params) {
            return laravelValidation.helpers.compareDates(this, value, element, params, '>=');
        },


        /**
         * Validate that an attribute is a valid date.
         */
        Timezone: function(value) {
            return  laravelValidation.helpers.isTimezone(value);
        },


        /**
         * Validate the attribute is a valid JSON string.
         *
         * @param  value
         * @return bool
         */
        Json: function(value) {
            var result = true;
            try {
                JSON.parse(value);
            } catch (e) {
                result = false;
            }
            return result;
        }
    }
});