| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gitiles.doc; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableList; |
| import java.util.Set; |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.lib.Config.SectionParser; |
| import org.eclipse.jgit.util.StringUtils; |
| |
| public class MarkdownConfig { |
| public static final int IMAGE_LIMIT = 256 << 10; |
| |
| public static MarkdownConfig get(Config cfg) { |
| return cfg.get(CONFIG_PARSER); |
| } |
| |
| private static final SectionParser<MarkdownConfig> CONFIG_PARSER = |
| new SectionParser<MarkdownConfig>() { |
| @Override |
| public MarkdownConfig parse(Config cfg) { |
| return new MarkdownConfig(cfg); |
| } |
| }; |
| |
| public final boolean render; |
| public final int inputLimit; |
| |
| final int imageLimit; |
| final String analyticsId; |
| |
| final boolean autoLink; |
| final boolean blockNote; |
| final boolean ghThematicBreak; |
| final boolean multiColumn; |
| final boolean namedAnchor; |
| final boolean safeHtml; |
| final boolean smartQuote; |
| final boolean strikethrough; |
| final boolean tables; |
| final boolean toc; |
| |
| private final boolean allowAnyIFrame; |
| private final ImmutableList<String> allowIFrame; |
| |
| MarkdownConfig(Config cfg) { |
| render = cfg.getBoolean("markdown", "render", true); |
| inputLimit = cfg.getInt("markdown", "inputLimit", 5 << 20); |
| imageLimit = cfg.getInt("markdown", "imageLimit", IMAGE_LIMIT); |
| analyticsId = Strings.emptyToNull(cfg.getString("google", null, "analyticsId")); |
| |
| boolean githubFlavor = cfg.getBoolean("markdown", "githubFlavor", true); |
| autoLink = cfg.getBoolean("markdown", "autolink", githubFlavor); |
| blockNote = cfg.getBoolean("markdown", "blocknote", false); |
| ghThematicBreak = cfg.getBoolean("markdown", "ghthematicbreak", githubFlavor); |
| multiColumn = cfg.getBoolean("markdown", "multicolumn", false); |
| namedAnchor = cfg.getBoolean("markdown", "namedanchor", false); |
| safeHtml = cfg.getBoolean("markdown", "safehtml", githubFlavor); |
| smartQuote = cfg.getBoolean("markdown", "smartquote", false); |
| strikethrough = cfg.getBoolean("markdown", "strikethrough", githubFlavor); |
| tables = cfg.getBoolean("markdown", "tables", githubFlavor); |
| toc = cfg.getBoolean("markdown", "toc", true); |
| |
| String[] f = {}; |
| if (safeHtml) { |
| f = cfg.getStringList("markdown", null, "allowiframe"); |
| } |
| allowAnyIFrame = f.length == 1 && StringUtils.toBooleanOrNull(f[0]) == Boolean.TRUE; |
| if (allowAnyIFrame) { |
| allowIFrame = ImmutableList.of(); |
| } else { |
| allowIFrame = ImmutableList.copyOf(f); |
| } |
| } |
| |
| private MarkdownConfig(MarkdownConfig p, Set<String> enable, Set<String> disable) { |
| render = p.render; |
| inputLimit = p.inputLimit; |
| imageLimit = p.imageLimit; |
| analyticsId = p.analyticsId; |
| |
| autoLink = on("autolink", p.autoLink, enable, disable); |
| blockNote = on("blocknote", p.blockNote, enable, disable); |
| ghThematicBreak = on("ghthematicbreak", p.ghThematicBreak, enable, disable); |
| multiColumn = on("multicolumn", p.multiColumn, enable, disable); |
| namedAnchor = on("namedanchor", p.namedAnchor, enable, disable); |
| safeHtml = on("safehtml", p.safeHtml, enable, disable); |
| smartQuote = on("smartquote", p.smartQuote, enable, disable); |
| strikethrough = on("strikethrough", p.strikethrough, enable, disable); |
| tables = on("tables", p.tables, enable, disable); |
| toc = on("toc", p.toc, enable, disable); |
| |
| allowAnyIFrame = safeHtml ? p.allowAnyIFrame : false; |
| allowIFrame = safeHtml ? p.allowIFrame : ImmutableList.of(); |
| } |
| |
| private static boolean on(String key, boolean val, Set<String> enable, Set<String> disable) { |
| return enable.contains(key) ? true : disable.contains(key) ? false : val; |
| } |
| |
| boolean isIFrameAllowed(String src) { |
| if (allowAnyIFrame) { |
| return true; |
| } |
| for (String url : allowIFrame) { |
| if (url.equals(src) || (url.endsWith("/") && src.startsWith(url))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| MarkdownConfig copyWithExtensions(Set<String> enable, Set<String> disable) { |
| return new MarkdownConfig(this, enable, disable); |
| } |
| } |