First public release

2025-12-25 23:20:53 +01:00 · 2018-08-02 13:33:06 +00:00
commit 00e01c2ecd
1018 changed files with 10081 additions and 0 deletions
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -0,0 +1,95 @@
+package eu.faircode.email;
+
+/*
+    This file is part of Safe email.
+
+    Safe email is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    NetGuard is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with NetGuard.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018 by Marcel Bokhorst (M66B)
+*/
+
+import android.content.Context;
+import android.text.TextUtils;
+
+import org.jsoup.Jsoup;
+import org.jsoup.helper.StringUtil;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Node;
+import org.jsoup.nodes.TextNode;
+import org.jsoup.select.NodeTraversor;
+import org.jsoup.select.NodeVisitor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HtmlHelper implements NodeVisitor {
+    private Context context;
+    private String newline;
+    private List<String> links = new ArrayList<>();
+    private StringBuilder sb = new StringBuilder();
+
+    private HtmlHelper(Context context, boolean reply) {
+        this.context = context;
+        this.newline = (reply ? "<br>> " : "<br>");
+    }
+
+    public void head(Node node, int depth) {
+        String name = node.nodeName();
+        if (node instanceof TextNode)
+            sb.append(((TextNode) node).text());
+        else if (name.equals("li"))
+            sb.append(newline).append(" * ");
+        else if (name.equals("dt"))
+            sb.append("  ");
+        else if (StringUtil.in(name, "p", "h1", "h2", "h3", "h4", "h5", "tr", "div"))
+            sb.append(newline);
+    }
+
+    public void tail(Node node, int depth) {
+        String name = node.nodeName();
+        if (StringUtil.in(name, "br", "dd", "dt", "p", "h1", "h2", "h3", "h4", "h5", "div"))
+            sb.append(newline);
+        else if (name.equals("a")) {
+            String link = node.absUrl("href");
+            if (!TextUtils.isEmpty(link)) {
+                if (!links.contains(link))
+                    links.add(link);
+                sb.append(" ").append(context.getString(R.string.title_link, link, links.size()));
+            }
+        } else if (name.equals("img")) {
+            String link = node.absUrl("src");
+            if (!TextUtils.isEmpty(link)) {
+                if (!links.contains(link))
+                    links.add(link);
+                sb.append(" ").append(context.getString(R.string.title_image, link, links.size()));
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        if (links.size() > 0)
+            sb.append(newline).append(newline);
+        for (int i = 0; i < links.size(); i++)
+            sb.append(String.format("[%d] %s ", i + 1, links.get(i))).append(newline);
+        return sb.toString();
+    }
+
+    public static String sanitize(Context context, String html, boolean reply) {
+        Document document = Jsoup.parse(html);
+        HtmlHelper visitor = new HtmlHelper(context, reply);
+        NodeTraversor.traverse(visitor, document.body());
+        return visitor.toString();
+    }
+}