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* Icon Captcha Plugin: v2.5.0\r\n * Copyright © 2017, Fabian Wennink (https://www.fabianwennink.nl)\r\n *\r\n * Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php\r\n */\r\n\r\n//# sourceMappingURL=icon-captcha.min.js.map\r\n(function($){\r\n\r\n    $.fn.extend({\r\n        iconCaptcha: function(options) {\r\n\r\n            // Default plugin options, will be ignored if not set\r\n            let defaults = {\r\n                themes: [''],\r\n                fontFamily: '',\r\n                clickDelay: 1000,\r\n                invalidResetDelay: 3000,\r\n                hoverDetection: true,\r\n                showCredits: 'show',\r\n                enableLoadingAnimation: false,\r\n                loadingAnimationDelay: 2000,\r\n                requestIconsDelay: 1500,\r\n                validationPath: '',\r\n                messages: {\r\n                    header: 'Select the image that does not belong in the row',\r\n                    correct: {\r\n                        top: 'Great!',\r\n                        bottom: 'You do not appear to be a robot.'\r\n                    },\r\n                    incorrect: {\r\n                        top: 'Oops!',\r\n                        bottom: 'You\\'ve selected the wrong image.'\r\n                    }\r\n                }\r\n            };\r\n\r\n            let $options =  $.extend(defaults, options);\r\n\r\n            // Loop through all the captcha holder.\r\n            return this.each(function(id) {\r\n\r\n                let $holder = $(this);\r\n                let $captcha_id = id;\r\n\r\n                let build_time = 0;\r\n                let hovering = false;\r\n                let generated = false;\r\n                let images_ready = 0;\r\n\r\n\t\t\t\t// Make sure the captchaAjaxFile is set.\r\n\t\t\t\tif(!$options.validationPath) {\r\n\t\t\t\t\tconsole.error('IconCaptcha: The option captchaAjaxFile has not been set.');\r\n\r\n\t\t\t\t\t// Trigger: error\r\n                    $holder.trigger('error', [{captcha_id: $captcha_id}]);\r\n\r\n                    return;\r\n\t\t\t\t}\r\n\t\t\t\t\r\n                // Initialize the captcha\r\n                initCaptcha(false);\r\n\r\n                /**\r\n                 * Initialize the captcha.\r\n                 *\r\n                 * @param {boolean} loaderActive If the loading animation should play.\r\n                 */\r\n                function initCaptcha(loaderActive) {\r\n                    let captchaTheme = 'light';\r\n\r\n                    if($options.themes[$captcha_id] !== undefined && ($options.themes[$captcha_id] === 'dark' || $options.themes[$captcha_id] === 'light')) {\r\n                        captchaTheme = $options.themes[$captcha_id].toLowerCase();\r\n                    }\r\n\r\n                    // Reset image loading count\r\n                    images_ready = 0;\r\n\r\n                    $holder.addClass('captcha-theme-' + captchaTheme);\r\n\r\n                    // Build the captcha if it hasn't been build yet\r\n                    if(!generated)\r\n                        _buildCaptchaHolder();\r\n\r\n                    let $icon_holder = $holder.find('.captcha-modal__icons');\r\n\r\n                    // If the requestIconsDelay has been set and is not 0, add the loading delay.\r\n                    // The loading delay will (possibly) prevent high CPU usage when a page displaying\r\n                    // one or more captchas gets constantly refreshed during a DDoS attack.\r\n                    if(($options.requestIconsDelay && $options.requestIconsDelay > 0) && !generated) {\r\n\r\n                        // Add the loading animation\r\n                        if(!loaderActive)\r\n                            addLoader($icon_holder);\r\n\r\n                        // Set the timeout\r\n                        setTimeout(function() {\r\n                            loadCaptcha(captchaTheme, $icon_holder, true);\r\n                        }, $options.requestIconsDelay)\r\n                    } else {\r\n                        loadCaptcha(captchaTheme, $icon_holder, loaderActive);\r\n                    }\r\n                }\r\n\r\n                /**\r\n                 * Load the captcha by playing the animations and requesting\r\n                 * the catpcha icons from the back-end server.\r\n                 *\r\n                 * @param {string} captchaTheme The theme of the captcha.\r\n                 * @param iconHolder The captcha holder element.\r\n                 * @param {boolean} loadDelay If the loading animation should play.\r\n                 */\r\n                function loadCaptcha(captchaTheme, iconHolder, loadDelay) {\r\n                    $.ajax({\r\n                        url: $options.validationPath,\r\n                        type: 'post',\r\n\t\t\t\t\t\tdataType: 'json',\r\n                        data: {cID: $captcha_id, rT : 1, tM: captchaTheme},\r\n                        success: function (data) {\r\n                            if(data && typeof data === \"object\") {\r\n\r\n                                // Add the loading animation\r\n                                if(!loadDelay)\r\n                                    addLoader(iconHolder);\r\n\r\n                                build_time = new Date();\r\n\r\n                                $holder.find('.captcha-image').each(function(i) {\r\n                                    $(this).css('background-image', 'url(' + $options.validationPath + '?cid=' + $captcha_id + '&hash=' + data[i] + ')');\r\n                                    $(this).attr('icon-hash', data[i]);\r\n\r\n                                    loadImage($(this), iconHolder);\r\n                                });\r\n\r\n                                // Event: init\r\n                                if(!generated)\r\n                                    $holder.trigger('init', [{captcha_id: id}]);\r\n\r\n                                generated = true;\r\n                            }\r\n                        },\r\n                        error: function() {\r\n                            showError();\r\n                        }\r\n                    });\r\n                }\r\n\r\n                /**\r\n                 * Build the captcha's holder element.\r\n                 * The modal will be inserted, along with hidden fields\r\n                 * which will be used during validation.\r\n                 *\r\n                 * @private\r\n                 */\r\n                function _buildCaptchaHolder() {\r\n                    if($options.fontFamily) {\r\n                        $holder.css('font-family', $options.fontFamily);\r\n                    } else {\r\n                        $holder.css('font-family', 'Arial, sans-serif');\r\n                    }\r\n\r\n                    let captchaHTML = [];\r\n\r\n                    // Adds the first portion of the HTML to the array.\r\n                    captchaHTML.push(\r\n                        \"<div class='captcha-modal'>\",\r\n                        \"<div class='captcha-modal__header'>\",\r\n                        \"<span>\" + (($options.messages.header) ? $options.messages.header : \"Select the image that does not belong in the row\") + \"</span>\",\r\n                        \"</div>\",\r\n                        \"<div class='captcha-modal__icons'>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"</div>\"\r\n                    );\r\n\r\n                    // If the credits option is enabled, push the HTML to the array.\r\n                    if($options.showCredits === 'show' || $options.showCredits === 'hide') {\r\n                        let className = 'captcha-modal__credits' + (($options.showCredits === 'hide') ? ' captcha-modal__credits--hide' : '');\r\n\r\n                        captchaHTML.push(\r\n                            \"<div class='\" + className + \"' title='IconCaptcha by Fabian Wennink'>\",\r\n                            \"<a href='https://www.fabianwennink.nl/projects/IconCaptcha/v2/' target='_blank' rel='follow'>IconCaptcha</a> &copy;\",\r\n                            \"</div>\"\r\n                        );\r\n                    }\r\n\r\n                    // Adds the last portion of the HTML to the array.\r\n                    captchaHTML.push(\r\n                        \"<input type='hidden' name='captcha-hf' required />\",\r\n                        \"<input type='hidden' name='captcha-idhf' value='\" + $captcha_id + \"' required />\",\r\n                        \"</div>\"\r\n                    );\r\n\r\n                    $holder.html(captchaHTML.join('')).attr('data-captcha-id', $captcha_id);\r\n                }\r\n\r\n                /**\r\n                 * Will be called when an icon is selected.\r\n                 * The user's input will be validated by the back-end server.\r\n                 *\r\n                 * @param iconHash The hash of the selected icon.\r\n                 */\r\n                function submitCaptcha(iconHash) {\r\n                    if(iconHash) {\r\n                        $holder.find('input[name=\"captcha-hf\"]').attr('value', iconHash);\r\n                        $holder.find('input[name=\"captcha-idhf\"]').attr('value', $captcha_id);\r\n\r\n                        $.ajax({\r\n                            url: $options.validationPath,\r\n                            type: 'POST',\r\n                            data: {cID: $captcha_id, pC: iconHash, rT : 2},\r\n                            success: function () {\r\n                                showSuccess();\r\n                            },\r\n                            error: function() {\r\n                                showError();\r\n                            }\r\n                        });\r\n                    }\r\n                }\r\n\r\n                /**\r\n                 * Show the success message.\r\n                 */\r\n                function showSuccess() {\r\n                    $holder.find('.captcha-modal__icons').empty();\r\n\r\n                    $holder.addClass('captcha-success');\r\n                    $holder.find('.captcha-modal__icons').html('<div class=\"captcha-modal__icons-title\">' + (($options.messages.correct && $options.messages.correct.top) ? $options.messages.correct.top : 'Great!')\r\n                        + '</div><div class=\"captcha-modal__icons-subtitle\">' + (($options.messages.correct && $options.messages.correct.bottom) ? $options.messages.correct.bottom : 'You do not appear to be a robot.') + '</div>');\r\n\r\n                    // Trigger: success\r\n                    $holder.trigger(\"success\", [{captcha_id: $captcha_id}]);\r\n                }\r\n\r\n                /**\r\n                 * Show the error message.\r\n                 */\r\n                function showError() {\r\n                    $holder.find('.captcha-modal__icons').empty();\r\n\r\n                    $holder.addClass('captcha-error');\r\n                    $holder.find('.captcha-modal__icons').html('<div class=\"captcha-modal__icons-title\">' + (($options.messages.incorrect && $options.messages.incorrect.top) ? $options.messages.incorrect.top : 'Oops!')\r\n                        + '</div><div class=\"captcha-modal__icons-subtitle\">' + (($options.messages.incorrect && $options.messages.incorrect.bottom) ? $options.messages.incorrect.bottom : 'You\\'ve selected the wrong image.') + '</div>');\r\n\r\n                    // Trigger: error\r\n                    $holder.trigger('error', [{captcha_id: $captcha_id}]);\r\n\r\n                    setTimeout(resetCaptcha, $options.invalidResetDelay);\r\n                }\r\n\r\n                /**\r\n                 * Reset the captcha and rebuild it.\r\n                 */\r\n                function resetCaptcha() {\r\n                    $holder.removeClass('captcha-error');\r\n                    $holder.find(\"input[name='captcha-hf']\").attr('value', null);\r\n\r\n                    $holder.find('.captcha-modal__icons').html([\r\n                        \"<div class='captcha-loader'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\",\r\n                        \"<div class='captcha-image'></div>\"\r\n                    ].join('\\n'));\r\n\r\n                    $holder.find('.captcha-modal__icons > .captcha-image').attr('icon-hash', null);\r\n\r\n                    // Rebuild the captcha\r\n                    initCaptcha(true);\r\n\r\n                    // Trigger: refreshed\r\n                    $holder.trigger('refreshed', [{captcha_id: $captcha_id}]);\r\n                }\r\n\r\n                /**\r\n                 * Load the requested icon and wait for it to fully load.\r\n                 * When all 5 icons are loaded, remove the loading animation.\r\n                 *\r\n                 * @param image The image to load.\r\n                 * @param iconHolder The captcha holder element.\r\n                 */\r\n                function loadImage(image, iconHolder) {\r\n                    let url = image.css('background-image').match(/\\((.*?)\\)/)[1].replace(/('|\")/g,'');\r\n                    let img = new Image();\r\n\r\n                    // Listen to the image loading event\r\n                    img.onload = function() {\r\n                        images_ready += 1;\r\n\r\n                        // Fire when all icons are ready\r\n                        if(images_ready === 5) {\r\n\r\n                            // Remove the preloader\r\n                            if(iconHolder)\r\n                                removeLoader(iconHolder);\r\n                        }\r\n                    };\r\n\r\n                    // Workaround for IE (IE sometimes doesn't fire onload)\r\n                    img.src = url;\r\n                    if (img.complete) img.onload();\r\n                }\r\n\r\n                /**\r\n                 * Add the loading animation to the captcha holder\r\n                 *\r\n                 * @param iconHolder The captcha holder element.\r\n                 */\r\n                function addLoader(iconHolder) {\r\n                    iconHolder.addClass('captcha-opacity');\r\n                    iconHolder.prepend('<div class=\"captcha-loader\"></div>');\r\n                }\r\n\r\n                /**\r\n                 * Remove the loading animation from the captcha holder\r\n                 *\r\n                 * @param iconHolder The captcha holder element.\r\n                 */\r\n                function removeLoader(iconHolder) {\r\n                    iconHolder.removeClass('captcha-opacity');\r\n                    iconHolder.find('.captcha-loader').remove();\r\n                }\r\n\r\n                // On icon click\r\n                $holder.on('click', '.captcha-modal__icons > .captcha-image', function(e) {\r\n\r\n                    // Only allow a user to click after 1.5 seconds\r\n                    if((new Date() - build_time) <= $options.clickDelay)\r\n                        return;\r\n\r\n                    // if the cursor is not hovering over the element, return\r\n                    if($options.hoverDetection && !hovering)\r\n                        return;\r\n\r\n                    // Detect if the click coordinates. If not present, it's not a real click.\r\n                    let _x = (e.pageX - $(e.target).offset().left),\r\n                        _y = (e.pageY - $(e.target).offset().top);\r\n                    if(!_x || !_y)\r\n                        return;\r\n\r\n                    let iconHash = $(this).attr('icon-hash');\r\n                    let iconHolder = $holder.find('.captcha-modal__icons');\r\n\r\n                    // If an image is clicked, do not allow clicking again until the form has reset\r\n                    if(iconHolder.hasClass('captcha-opacity')) return;\r\n\r\n                    // Trigger: selected\r\n                    $holder.trigger('selected', [{captcha_id: $captcha_id}]);\r\n\r\n                    if($options.enableLoadingAnimation === true) {\r\n                        addLoader(iconHolder);\r\n\r\n                        setTimeout(function() {\r\n                            submitCaptcha(iconHash);\r\n                        }, $options.loadingAnimationDelay);\r\n                    } else {\r\n                        submitCaptcha(iconHash);\r\n                    }\r\n                }).on({\r\n                        mouseenter: function() {\r\n                            if(!hovering)\r\n                                hovering = true\r\n                        },\r\n                        mouseleave: function() {\r\n                            if(hovering)\r\n                                hovering = false\r\n                        }\r\n                    }, $holder\r\n                );\r\n            });\r\n        }\r\n    });\r\n})(jQuery);"]}