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IN NO EVENT SHALL\nNETSYMS TECHNOLOGIES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\nWHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\nCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nExcept as contained in this notice, the name and other identifying marks of\nNetsyms Technologies shall not be used in advertising or otherwise to promote\nthe sale, use or other dealings in this Software without prior written\nauthorization from Netsyms Technologies.\n*/\n\n/* global django */\nconst ariaLabelImage = django.gettext('Click for image-based question')\nconst ariaLabelText = django.gettext('Click for text-based question')\nconst textImageMode = '> ' + django.gettext('Image mode')\nconst textTextMode = '> ' + django.gettext('Text mode')\nconst captchaImageAlt = django.gettext('Captcha image')\n\nfunction initializeCaptcha () {\n function chooseAnswer (idp, ans, session, combinedAnswerId) {\n const inputField = document.getElementById(combinedAnswerId)\n inputField.value = ans + ':' + session\n\n const box = document.getElementById('captcheck_' + idp + '_answer_' + ans)\n if (box) {\n box.checked = true\n }\n }\n\n function clearAnswer (idp, combinedAnswerId) {\n const inputField = document.getElementById(combinedAnswerId)\n inputField.value = ''\n\n const imgA = document.getElementById('captcheck_' + idp + '_answer_images')\n imgA.childNodes.forEach(e => {\n e.firstElementChild.checked = false\n })\n }\n\n function switchMode (idp, session, combinedAnswerId) {\n const switchLabel = document.getElementById('captcheck_' + idp + '_alt_question_button')\n const imgQ = document.getElementById('captcheck_' + idp + '_question_image')\n const accQ = document.getElementById('captcheck_' + idp + '_question_access')\n const imgA = document.getElementById('captcheck_' + idp + '_answer_images')\n const accA = document.getElementById('captcheck_' + idp + '_answer_access')\n\n clearAnswer(idp, combinedAnswerId)\n\n if (switchLabel.innerHTML === textTextMode) {\n switchLabel.setAttribute('aria-label', ariaLabelImage)\n switchLabel.innerHTML = textImageMode\n imgQ.style.display = 'none'\n accQ.style.display = 'initial'\n imgA.style.display = 'none'\n accA.style.display = 'initial'\n\n accA.innerHTML = \"\"\n accA.firstElementChild.addEventListener('input', function (ev) {\n ev.preventDefault()\n chooseAnswer(idp, this.value, session, combinedAnswerId)\n })\n } else {\n switchLabel.innerHTML = textTextMode\n imgQ.style.display = 'initial'\n accQ.style.display = 'none'\n imgA.style.display = 'initial'\n accA.style.display = 'none'\n accA.innerHTML = ''\n }\n }\n\n /* Loop over all the CAPTCHA containers on the page, setting up a different CAPTCHA in each */\n Array.prototype.forEach.call(document.getElementsByClassName('captcheck_container'), function (container) {\n const apiUrl = container.getAttribute('data-api_url')\n const combinedAnswerId =\n container.dataset.combinedAnswerId || container.getAttribute('combined_answer_id')\n const xhr = new XMLHttpRequest()\n xhr.open('GET', apiUrl + '?action=new', true)\n xhr.onreadystatechange = function () {\n if (this.readyState === 4) {\n const status = this.status\n const json = this.responseText\n /* Prevent rare bug where two CAPTCHAs appear in one container */\n if (container.innerHTML.trim() !== '') {\n return\n }\n /* Create captcha div */\n const captcha = document.createElement('div')\n captcha.setAttribute('class', 'captcheck_box')\n container.appendChild(captcha)\n\n if (status === 200) {\n const data = JSON.parse(json)\n // ID prefix to use for this instance\n const idp = data.id_prefix\n /* Create answer buttons */\n let answers = \"
\"\n for (let i = 0, len = data.answers.length; i < len; i++) {\n const src = apiUrl + '?action=img&s=' + data.session + '&c=' + data.answers[i]\n answers +=\n \"\"\n }\n answers += '