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348 lines
11 KiB
JavaScript
348 lines
11 KiB
JavaScript
/*eslint no-bitwise:0 */
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import { registerOption } from 'pretty-text/pretty-text';
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const DATA_PREFIX = "data-poll-";
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const DEFAULT_POLL_NAME = "poll";
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const WHITELISTED_ATTRIBUTES = ["type", "name", "min", "max", "step", "order", "status", "public"];
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const ATTRIBUTES_REGEX = new RegExp("(" + WHITELISTED_ATTRIBUTES.join("|") + ")=['\"]?[^\\s\\]]+['\"]?", "g");
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registerOption((siteSettings, opts) => {
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const currentUser = (opts.getCurrentUser && opts.getCurrentUser(opts.userId)) || opts.currentUser;
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const staff = currentUser && currentUser.staff;
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opts.features.poll = !!siteSettings.poll_enabled || staff;
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opts.pollMaximumOptions = siteSettings.poll_maximum_options;
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});
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export function setup(helper) {
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helper.whiteList([
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'div.poll',
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'div.poll-info',
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'div.poll-container',
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'div.poll-buttons',
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'div[data-*]',
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'span.info-number',
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'span.info-text',
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'a.button.cast-votes',
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'a.button.toggle-results',
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'li[data-*]'
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]);
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helper.replaceBlock({
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start: /\[poll((?:\s+\w+=[^\s\]]+)*)\]([\s\S]*)/igm,
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stop: /\[\/poll\]/igm,
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emitter(blockContents, matches) {
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const contents = [];
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// post-process inside block contents
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if (blockContents.length) {
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const postProcess = bc => {
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if (typeof bc === "string" || bc instanceof String) {
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const processed = this.processInline(String(bc));
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if (processed.length) {
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contents.push(["p"].concat(processed));
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}
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} else {
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contents.push(bc);
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}
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};
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let b;
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while ((b = blockContents.shift()) !== undefined) {
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this.processBlock(b, blockContents).forEach(postProcess);
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}
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}
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// default poll attributes
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const attributes = { "class": "poll" };
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attributes[DATA_PREFIX + "status"] = "open";
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attributes[DATA_PREFIX + "name"] = DEFAULT_POLL_NAME;
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// extract poll attributes
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(matches[1].match(ATTRIBUTES_REGEX) || []).forEach(function(m) {
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const [ name, value ] = m.split("=");
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const escaped = helper.escape(value.replace(/["']/g, ""));
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attributes[DATA_PREFIX + name] = escaped;
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});
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// we might need these values later...
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let min = parseInt(attributes[DATA_PREFIX + "min"], 10);
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let max = parseInt(attributes[DATA_PREFIX + "max"], 10);
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let step = parseInt(attributes[DATA_PREFIX + "step"], 10);
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// generate the options when the type is "number"
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if (attributes[DATA_PREFIX + "type"] === "number") {
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// default values
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if (isNaN(min)) { min = 1; }
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if (isNaN(max)) { max = helper.getOptions().pollMaximumOptions; }
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if (isNaN(step)) { step = 1; }
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// dynamically generate options
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contents.push(["bulletlist"]);
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for (let o = min; o <= max; o += step) {
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contents[0].push(["listitem", String(o)]);
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}
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}
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// make sure there's only 1 child and it's a list with at least 1 option
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if (contents.length !== 1 || contents[0].length <= 1 || (contents[0][0] !== "numberlist" && contents[0][0] !== "bulletlist")) {
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return ["div"].concat(contents);
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}
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// make sure there's only options in the list
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for (let o=1; o < contents[0].length; o++) {
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if (contents[0][o][0] !== "listitem") {
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return ["div"].concat(contents);
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}
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}
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// TODO: remove non whitelisted content
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// add option id (hash)
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for (let o = 1; o < contents[0].length; o++) {
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const attr = {};
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// compute md5 hash of the content of the option
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attr[DATA_PREFIX + "option-id"] = md5(JSON.stringify(contents[0][o].slice(1)));
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// store options attributes
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contents[0][o].splice(1, 0, attr);
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}
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const result = ["div", attributes],
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poll = ["div"];
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// 1 - POLL CONTAINER
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const container = ["div", { "class": "poll-container" }].concat(contents);
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poll.push(container);
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// 2 - POLL INFO
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const info = ["div", { "class": "poll-info" }];
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// # of voters
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info.push(["p",
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["span", { "class": "info-number" }, "0"],
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["span", { "class": "info-text"}, I18n.t("poll.voters", { count: 0 })]
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]);
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// multiple help text
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if (attributes[DATA_PREFIX + "type"] === "multiple") {
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const optionCount = contents[0].length - 1;
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// default values
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if (isNaN(min) || min < 1) { min = 1; }
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if (isNaN(max) || max > optionCount) { max = optionCount; }
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// add some help text
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let help;
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if (max > 0) {
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if (min === max) {
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if (min > 1) {
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help = I18n.t("poll.multiple.help.x_options", { count: min });
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}
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} else if (min > 1) {
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if (max < optionCount) {
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help = I18n.t("poll.multiple.help.between_min_and_max_options", { min: min, max: max });
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} else {
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help = I18n.t("poll.multiple.help.at_least_min_options", { count: min });
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}
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} else if (max <= optionCount) {
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help = I18n.t("poll.multiple.help.up_to_max_options", { count: max });
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}
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}
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if (help) { info.push(["p", help]); }
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}
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if (attributes[DATA_PREFIX + "public"] === "true") {
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info.push(["p", I18n.t("poll.public.title")]);
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}
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poll.push(info);
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// 3 - BUTTONS
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const buttons = ["div", { "class": "poll-buttons" }];
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// add "cast-votes" button
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if (attributes[DATA_PREFIX + "type"] === "multiple") {
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buttons.push(["a", { "class": "button cast-votes", "title": I18n.t("poll.cast-votes.title") }, I18n.t("poll.cast-votes.label")]);
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}
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// add "toggle-results" button
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buttons.push(["a", { "class": "button toggle-results", "title": I18n.t("poll.show-results.title") }, I18n.t("poll.show-results.label")]);
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// 4 - MIX IT ALL UP
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result.push(poll);
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result.push(buttons);
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return result;
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}
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});
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}
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/*!
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* Joseph Myer's md5() algorithm wrapped in a self-invoked function to prevent
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* global namespace polution, modified to hash unicode characters as UTF-8.
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*
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* Copyright 1999-2010, Joseph Myers, Paul Johnston, Greg Holt, Will Bond <will@wbond.net>
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* http://www.myersdaily.org/joseph/javascript/md5-text.html
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* http://pajhome.org.uk/crypt/md5
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*
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* Released under the BSD license
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* http://www.opensource.org/licenses/bsd-license
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*/
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function md5cycle(x, k) {
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var a = x[0], b = x[1], c = x[2], d = x[3];
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a = ff(a, b, c, d, k[0], 7, -680876936);
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d = ff(d, a, b, c, k[1], 12, -389564586);
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c = ff(c, d, a, b, k[2], 17, 606105819);
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b = ff(b, c, d, a, k[3], 22, -1044525330);
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a = ff(a, b, c, d, k[4], 7, -176418897);
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d = ff(d, a, b, c, k[5], 12, 1200080426);
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c = ff(c, d, a, b, k[6], 17, -1473231341);
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b = ff(b, c, d, a, k[7], 22, -45705983);
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a = ff(a, b, c, d, k[8], 7, 1770035416);
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d = ff(d, a, b, c, k[9], 12, -1958414417);
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c = ff(c, d, a, b, k[10], 17, -42063);
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b = ff(b, c, d, a, k[11], 22, -1990404162);
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a = ff(a, b, c, d, k[12], 7, 1804603682);
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d = ff(d, a, b, c, k[13], 12, -40341101);
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c = ff(c, d, a, b, k[14], 17, -1502002290);
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b = ff(b, c, d, a, k[15], 22, 1236535329);
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a = gg(a, b, c, d, k[1], 5, -165796510);
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d = gg(d, a, b, c, k[6], 9, -1069501632);
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c = gg(c, d, a, b, k[11], 14, 643717713);
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b = gg(b, c, d, a, k[0], 20, -373897302);
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a = gg(a, b, c, d, k[5], 5, -701558691);
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d = gg(d, a, b, c, k[10], 9, 38016083);
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c = gg(c, d, a, b, k[15], 14, -660478335);
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b = gg(b, c, d, a, k[4], 20, -405537848);
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a = gg(a, b, c, d, k[9], 5, 568446438);
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d = gg(d, a, b, c, k[14], 9, -1019803690);
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c = gg(c, d, a, b, k[3], 14, -187363961);
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b = gg(b, c, d, a, k[8], 20, 1163531501);
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a = gg(a, b, c, d, k[13], 5, -1444681467);
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d = gg(d, a, b, c, k[2], 9, -51403784);
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c = gg(c, d, a, b, k[7], 14, 1735328473);
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b = gg(b, c, d, a, k[12], 20, -1926607734);
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a = hh(a, b, c, d, k[5], 4, -378558);
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d = hh(d, a, b, c, k[8], 11, -2022574463);
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c = hh(c, d, a, b, k[11], 16, 1839030562);
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b = hh(b, c, d, a, k[14], 23, -35309556);
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a = hh(a, b, c, d, k[1], 4, -1530992060);
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d = hh(d, a, b, c, k[4], 11, 1272893353);
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c = hh(c, d, a, b, k[7], 16, -155497632);
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b = hh(b, c, d, a, k[10], 23, -1094730640);
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a = hh(a, b, c, d, k[13], 4, 681279174);
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d = hh(d, a, b, c, k[0], 11, -358537222);
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c = hh(c, d, a, b, k[3], 16, -722521979);
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b = hh(b, c, d, a, k[6], 23, 76029189);
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a = hh(a, b, c, d, k[9], 4, -640364487);
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d = hh(d, a, b, c, k[12], 11, -421815835);
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c = hh(c, d, a, b, k[15], 16, 530742520);
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b = hh(b, c, d, a, k[2], 23, -995338651);
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a = ii(a, b, c, d, k[0], 6, -198630844);
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d = ii(d, a, b, c, k[7], 10, 1126891415);
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c = ii(c, d, a, b, k[14], 15, -1416354905);
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b = ii(b, c, d, a, k[5], 21, -57434055);
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a = ii(a, b, c, d, k[12], 6, 1700485571);
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d = ii(d, a, b, c, k[3], 10, -1894986606);
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c = ii(c, d, a, b, k[10], 15, -1051523);
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b = ii(b, c, d, a, k[1], 21, -2054922799);
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a = ii(a, b, c, d, k[8], 6, 1873313359);
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d = ii(d, a, b, c, k[15], 10, -30611744);
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c = ii(c, d, a, b, k[6], 15, -1560198380);
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b = ii(b, c, d, a, k[13], 21, 1309151649);
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a = ii(a, b, c, d, k[4], 6, -145523070);
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d = ii(d, a, b, c, k[11], 10, -1120210379);
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c = ii(c, d, a, b, k[2], 15, 718787259);
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b = ii(b, c, d, a, k[9], 21, -343485551);
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x[0] = add32(a, x[0]);
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x[1] = add32(b, x[1]);
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x[2] = add32(c, x[2]);
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x[3] = add32(d, x[3]);
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}
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function cmn(q, a, b, x, s, t) {
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a = add32(add32(a, q), add32(x, t));
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return add32((a << s) | (a >>> (32 - s)), b);
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}
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function ff(a, b, c, d, x, s, t) {
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return cmn((b & c) | ((~b) & d), a, b, x, s, t);
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}
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function gg(a, b, c, d, x, s, t) {
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return cmn((b & d) | (c & (~d)), a, b, x, s, t);
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}
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function hh(a, b, c, d, x, s, t) {
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return cmn(b ^ c ^ d, a, b, x, s, t);
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}
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function ii(a, b, c, d, x, s, t) {
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return cmn(c ^ (b | (~d)), a, b, x, s, t);
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}
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function md51(s) {
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// Converts the string to UTF-8 "bytes" when necessary
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if (/[\x80-\xFF]/.test(s)) {
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s = unescape(encodeURI(s));
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}
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var n = s.length, state = [1732584193, -271733879, -1732584194, 271733878], i;
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for (i = 64; i <= s.length; i += 64) {
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md5cycle(state, md5blk(s.substring(i - 64, i)));
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}
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s = s.substring(i - 64);
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var tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
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for (i = 0; i < s.length; i++)
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tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3);
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tail[i >> 2] |= 0x80 << ((i % 4) << 3);
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if (i > 55) {
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md5cycle(state, tail);
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for (i = 0; i < 16; i++) tail[i] = 0;
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}
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tail[14] = n * 8;
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md5cycle(state, tail);
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return state;
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}
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function md5blk(s) { /* I figured global was faster. */
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var md5blks = [], i; /* Andy King said do it this way. */
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for (i = 0; i < 64; i += 4) {
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md5blks[i >> 2] = s.charCodeAt(i) +
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(s.charCodeAt(i + 1) << 8) +
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(s.charCodeAt(i + 2) << 16) +
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(s.charCodeAt(i + 3) << 24);
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}
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return md5blks;
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}
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var hex_chr = '0123456789abcdef'.split('');
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function rhex(n) {
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var s = '', j = 0;
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for (; j < 4; j++)
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s += hex_chr[(n >> (j * 8 + 4)) & 0x0F] +
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hex_chr[(n >> (j * 8)) & 0x0F];
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return s;
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}
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function hex(x) {
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for (var i = 0; i < x.length; i++)
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x[i] = rhex(x[i]);
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return x.join('');
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}
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function add32(a, b) {
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return (a + b) & 0xFFFFFFFF;
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}
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function md5(s) {
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return hex(md51(s));
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}
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