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59 lines
3.2 KiB
JavaScript
59 lines
3.2 KiB
JavaScript
window.onload = function () {
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var api_url = "https://captcheck.netsyms.com/api.php";
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var getJSON = function (url, callback) {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.onreadystatechange = function () {
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if (this.readyState == 4) {
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callback(this.status, this.responseText);
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}
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};
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xhr.send();
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};
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getJSON(api_url + "?action=new", function (status, json) {
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/* Add custom styles */
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var styles = document.createElement('style');
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styles.innerHTML = ".captcheck_box {font-family: Ubuntu, Arial, sans-serif; color: black; border: 1px solid #e0e0e0; border-radius: 3px; display: inline-block; padding: 3px; margin: 5px 2px 5px 1px; background-color: #f5f5f5;} .captcheck_label_message {color: black;} .captcheck_answer_label > input {visibility: hidden; position: absolute;} .captcheck_answer_label > input + img {cursor: pointer; border: 2px solid transparent; border-radius: 3px; min-width: 32px; width: 18%; max-width: 64px;} .captcheck_answer_label > input:checked + img {cursor: pointer; border: 2px solid #424242; border-radius: 3px;} .captcheck_error_message {color: red;}";
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document.body.appendChild(styles);
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/* Get captcha container div */
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var container = document.getElementById("captcheck_container");
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/* Create captcha div */
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var captcha = document.createElement("div");
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captcha.setAttribute("class", "captcheck_box");
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container.appendChild(captcha);
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if (status == 200) {
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var data = JSON.parse(json);
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/* Create answer buttons */
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var answers = "";
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for (var i = 0, len = data.answers.length; i < len; i++) {
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var src = api_url + "?action=img&s=" + data.session + "&c=" + data.answers[i];
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answers += "<span class='captcheck_answer_label' onclick='chooseAnswer(\"" + data.answers[i] + "\")'><input id='captcheck_answer_" + data.answers[i] + "' type='radio' name='captcheck_selected_answer' value='" + data.answers[i] + "' /><img src='" + src + "' /></span>";
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}
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var answer_div = document.createElement("div");
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answer_div.innerHTML = answers;
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/* Create question */
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var question_div = document.createElement("div");
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question_div.setAttribute("class", "captcheck_label_message");
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question_div.innerHTML = "Click on the <b>" + data.question + "</b>:";
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/* Add question and answers */
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captcha.appendChild(question_div);
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captcha.appendChild(answer_div);
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/* Add hidden session ID element */
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var skey_input = document.createElement("span");
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skey_input.innerHTML = "<input type='hidden' name='captcheck_session_code' value='" + data.session + "' />";
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captcha.appendChild(skey_input);
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} else {
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/* Add error message */
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captcha.innerHTML = "<span class='captcheck_error_message'>There was a problem loading the CAPTCHA.</span>";
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}
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});
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}
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function chooseAnswer(ans) {
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var box = document.getElementById("captcheck_answer_" + ans);
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box.checked = true;
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} |