mirror of https://github.com/calzoneman/sync.git
Cytubefilters, part 1
This commit is contained in:
Calvin Montgomery
parent
709724efd4
commit
aa5e50f1d2
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@ -315,7 +315,7 @@ ChatModule.prototype.filterMessage = function (msg) {
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/* substring is a URL */
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if (convertLinks && parts[j].match(link)) {
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var original = parts[j];
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parts[j] = filters.exec(parts[j], { filterlinks: true });
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parts[j] = filters.filter(parts[j], true);
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/* no filters changed the URL, apply link filter */
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if (parts[j] === original) {
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@ -325,7 +325,7 @@ ChatModule.prototype.filterMessage = function (msg) {
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} else {
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/* substring is not a URL */
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parts[j] = filters.exec(parts[j], { filterlinks: false });
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parts[j] = filters.filter(parts[j], false);
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}
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}
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@ -1,120 +1,7 @@
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var FilterList = require('cytubefilters');
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var ChannelModule = require("./module");
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var XSS = require("../xss");
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function ChatFilter(name, regex, flags, replace, active, filterlinks) {
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this.name = name;
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this.source = regex;
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this.flags = flags;
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this.regex = new RegExp(this.source, flags);
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this.replace = replace;
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this.active = active === false ? false : true;
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this.filterlinks = filterlinks || false;
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}
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ChatFilter.prototype = {
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pack: function () {
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return {
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name: this.name,
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source: this.source,
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flags: this.flags,
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replace: this.replace,
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active: this.active,
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filterlinks: this.filterlinks
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};
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},
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exec: function (str) {
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return str.replace(this.regex, this.replace);
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}
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};
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function FilterList(defaults) {
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if (!defaults) {
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defaults = [];
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}
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this.filters = defaults.map(function (f) {
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return new ChatFilter(f.name, f.source, f.flags, f.replace, f.active, f.filterlinks);
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});
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}
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FilterList.prototype = {
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pack: function () {
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return this.filters.map(function (f) { return f.pack(); });
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},
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importList: function (filters) {
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this.filters = Array.prototype.slice.call(filters);
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},
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updateFilter: function (filter) {
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if (!filter.name) {
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filter.name = filter.source;
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}
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var found = false;
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for (var i = 0; i < this.filters.length; i++) {
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if (this.filters[i].name === filter.name) {
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found = true;
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this.filters[i] = filter;
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break;
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}
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}
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/* If no filter was updated, add a new one */
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if (!found) {
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this.filters.push(filter);
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}
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},
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removeFilter: function (filter) {
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var found = false;
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for (var i = 0; i < this.filters.length; i++) {
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if (this.filters[i].name === filter.name) {
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this.filters.splice(i, 1);
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break;
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}
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}
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},
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moveFilter: function (from, to) {
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if (from < 0 || to < 0 ||
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from >= this.filters.length || to >= this.filters.length) {
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return false;
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}
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var f = this.filters[from];
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/* Offset from/to indexes to account for the fact that removing
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an element changes the position of one of them.
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I could have just done a swap, but it's already implemented this way
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and it works. */
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to = to > from ? to + 1 : to;
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from = to > from ? from : from + 1;
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this.filters.splice(to, 0, f);
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this.filters.splice(from, 1);
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return true;
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},
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exec: function (str, opts) {
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if (!opts) {
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opts = {};
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}
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this.filters.forEach(function (f) {
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if (opts.filterlinks && !f.filterlinks) {
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return;
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}
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if (f.active) {
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str = f.exec(str);
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}
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});
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return str;
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}
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};
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var Logger = require("../logger");
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function validateFilter(f) {
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if (typeof f.source !== "string" || typeof f.flags !== "string" ||
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@ -136,17 +23,39 @@ function validateFilter(f) {
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return false;
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}
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var filter = new ChatFilter(f.name, f.source, f.flags, f.replace,
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Boolean(f.active), Boolean(f.filterlinks));
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var filter = {
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name: f.name,
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source: f.source,
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replace: fixReplace(f.replace),
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flags: f.flags,
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active: !!f.active,
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filterlinks: !!f.filterlinks
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};
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return filter;
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}
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function fixReplace(replace) {
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return replace.replace(/\$(\d)/g, '\\$1');
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}
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function makeDefaultFilter(name, source, flags, replace) {
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return {
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name: name,
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source: source,
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flags: flags,
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replace: fixReplace(replace),
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active: true,
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filterlinks: false
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};
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}
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const DEFAULT_FILTERS = [
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new ChatFilter("monospace", "`(.+?)`", "g", "<code>$1</code>"),
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new ChatFilter("bold", "\\*(.+?)\\*", "g", "<strong>$1</strong>"),
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new ChatFilter("italic", "_(.+?)_", "g", "<em>$1</em>"),
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new ChatFilter("strike", "~~(.+?)~~", "g", "<s>$1</s>"),
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new ChatFilter("inline spoiler", "\\[sp\\](.*?)\\[\\/sp\\]", "ig", "<span class=\"spoiler\">$1</span>")
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makeDefaultFilter("monospace", "`(.+?)`", "g", "<code>$1</code>"),
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makeDefaultFilter("bold", "\\*(.+?)\\*", "g", "<strong>$1</strong>"),
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makeDefaultFilter("italic", "_(.+?)_", "g", "<em>$1</em>"),
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makeDefaultFilter("strike", "~~(.+?)~~", "g", "<s>$1</s>"),
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makeDefaultFilter("inline spoiler", "\\[sp\\](.*?)\\[\\/sp\\]", "ig", "<span class=\"spoiler\">$1</span>")
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];
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function ChatFilterModule(channel) {
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@ -161,7 +70,21 @@ ChatFilterModule.prototype.load = function (data) {
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for (var i = 0; i < data.filters.length; i++) {
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var f = validateFilter(data.filters[i]);
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if (f) {
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this.filters.updateFilter(f);
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try {
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this.filters.updateFilter(f);
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} catch (e) {
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if (e.message.match(/does not exist/i)) {
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try {
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this.filters.addFilter(f);
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} catch (e) {
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Logger.errlog.log("Filter load failed: " +
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JSON.stringify(f) + " c:" + this.channel.name);
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}
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} else {
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Logger.errlog.log("Filter load failed: " +
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JSON.stringify(f) + " c:" + this.channel.name);
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}
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}
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}
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}
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}
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@ -173,11 +96,12 @@ ChatFilterModule.prototype.save = function (data) {
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ChatFilterModule.prototype.packInfo = function (data, isAdmin) {
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if (isAdmin) {
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data.chatFilterCount = this.filters.filters.length;
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data.chatFilterCount = this.filters.length;
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}
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};
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ChatFilterModule.prototype.onUserPostJoin = function (user) {
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user.socket.on("addFilter", this.handleAddFilter.bind(this, user));
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user.socket.on("updateFilter", this.handleUpdateFilter.bind(this, user));
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user.socket.on("importFilters", this.handleImportFilters.bind(this, user));
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user.socket.on("moveFilter", this.handleMoveFilter.bind(this, user));
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@ -195,6 +119,41 @@ ChatFilterModule.prototype.sendChatFilters = function (users) {
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});
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};
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ChatFilterModule.prototype.handleAddFilter = function (user, data) {
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if (typeof data !== "object") {
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return;
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}
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if (!this.channel.modules.permissions.canEditFilters(user)) {
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return;
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}
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data = validateFilter(data);
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if (!data) {
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return;
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}
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try {
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this.filters.addFilter(data);
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} catch (e) {
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user.socket.emit("errorMsg", {
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msg: "Filter add failed: " + e.message,
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alert: true
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});
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return;
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}
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var chan = this.channel;
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chan.users.forEach(function (u) {
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if (chan.modules.permissions.canEditFilters(u)) {
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u.socket.emit("updateChatFilter", data);
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}
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});
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chan.logger.log("[mod] " + user.getName() + " added filter: " + data.name + " -> " +
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"s/" + data.source + "/" + data.replace + "/" + data.flags + " active: " +
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data.active + ", filterlinks: " + data.filterlinks);
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};
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ChatFilterModule.prototype.handleUpdateFilter = function (user, data) {
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if (typeof data !== "object") {
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return;
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@ -204,13 +163,25 @@ ChatFilterModule.prototype.handleUpdateFilter = function (user, data) {
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return;
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}
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var f = validateFilter(data);
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if (!f) {
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data = validateFilter(data);
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if (!data) {
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return;
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}
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try {
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this.filters.updateFilter(data);
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} catch (e) {
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if (e.message.match(/filter to be updated does not exist/i)) {
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this.handleAddFilter(user, data);
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} else {
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user.socket.emit("errorMsg", {
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msg: "Filter update failed: " + e.message,
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alert: true
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});
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}
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return;
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}
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data = f.pack();
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this.filters.updateFilter(f);
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var chan = this.channel;
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chan.users.forEach(function (u) {
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if (chan.modules.permissions.canEditFilters(u)) {
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@ -218,9 +189,9 @@ ChatFilterModule.prototype.handleUpdateFilter = function (user, data) {
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}
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});
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chan.logger.log("[mod] " + user.getName() + " updated filter: " + f.name + " -> " +
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"s/" + f.source + "/" + f.replace + "/" + f.flags + " active: " +
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f.active + ", filterlinks: " + f.filterlinks);
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chan.logger.log("[mod] " + user.getName() + " updated filter: " + data.name + " -> " +
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"s/" + data.source + "/" + data.replace + "/" + data.flags + " active: " +
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data.active + ", filterlinks: " + data.filterlinks);
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};
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ChatFilterModule.prototype.handleImportFilters = function (user, data) {
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@ -234,9 +205,17 @@ ChatFilterModule.prototype.handleImportFilters = function (user, data) {
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return;
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}
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this.filters.importList(data.map(validateFilter).filter(function (f) {
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return f !== false;
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}));
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try {
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this.filters = new FilterList(data.map(validateFilter).filter(function (f) {
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return f !== false;
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}));
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} catch (e) {
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user.socket.emit("errorMsg", {
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msg: "Filter import failed: " + e.message,
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alert: true
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});
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return;
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}
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this.channel.logger.log("[mod] " + user.getName() + " imported the filter list");
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this.sendChatFilters(this.channel.users);
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@ -255,7 +234,15 @@ ChatFilterModule.prototype.handleRemoveFilter = function (user, data) {
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return;
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}
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this.filters.removeFilter(data);
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try {
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this.filters.removeFilter(data);
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} catch (e) {
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user.socket.emit("errorMsg", {
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msg: "Filter removal failed: " + e.message,
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alert: true
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});
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return;
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}
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var chan = this.channel;
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chan.users.forEach(function (u) {
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if (chan.modules.permissions.canEditFilters(u)) {
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@ -278,7 +265,15 @@ ChatFilterModule.prototype.handleMoveFilter = function (user, data) {
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return;
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}
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this.filters.moveFilter(data.from, data.to);
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try {
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this.filters.moveFilter(data.from, data.to);
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} catch (e) {
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user.socket.emit("errorMsg", {
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msg: "Filter move failed: " + e.message,
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alert: true
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});
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return;
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}
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};
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ChatFilterModule.prototype.handleRequestChatFilters = function (user) {
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