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Code Issues Packages Projects Releases Wiki Activity

Removed webview / html advanced options

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M66B
2018-09-12 11:54:16 +00:00
parent 047629b6dc
commit 5ac769af01
6 changed files with 26 additions and 183 deletions
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132
app/src/main/java/eu/faircode/email/HtmlHelper.java
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@@ -19,14 +19,7 @@ package eu.faircode.email;
Copyright 2018 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.Html;
import android.text.TextUtils;
import org.jsoup.Jsoup;
import org.jsoup.helper.StringUtil;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.nodes.Node;
@@ -35,116 +28,35 @@ import org.jsoup.safety.Whitelist;
import org.jsoup.select.NodeTraversor;
import org.jsoup.select.NodeVisitor;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class HtmlHelper implements NodeVisitor {
private Context context;
private String newline;
private List<String> refs = new ArrayList<>();
private StringBuilder sb = new StringBuilder();
public class HtmlHelper {
private static Pattern pattern = Pattern.compile("([http|https]+://[\\w\\S(\\.|:|/)]+)");
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) {
String text = ((TextNode) node).text();
Matcher matcher = pattern.matcher(text);
while (matcher.find()) {
String ref = matcher.group();
if (!refs.contains(ref))
refs.add(ref);
String alt = context.getString(R.string.title_link);
text = text.replace(ref, String.format("<a href=\"%s\">%s [%d]</a>", ref, alt, refs.size()));
}
sb.append(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 ref = node.absUrl("href");
if (!TextUtils.isEmpty(ref)) {
if (!refs.contains(ref))
refs.add(ref);
String alt = node.attr("alt");
if (TextUtils.isEmpty(alt))
alt = context.getString(R.string.title_link);
alt = Html.escapeHtml(alt);
sb.append(" ").append(String.format("<a href=\"%s\">%s [%d]</a>", ref, alt, refs.size()));
}
} else if (name.equals("img")) {
String ref = node.absUrl("src");
if (!TextUtils.isEmpty(ref)) {
if (!refs.contains(ref))
refs.add(ref);
String alt = node.attr("alt");
if (TextUtils.isEmpty(alt))
alt = context.getString(R.string.title_image);
alt = Html.escapeHtml(alt);
sb.append(" ").append(String.format("<a href=\"%s\">%s [%d]</a>", ref, alt, refs.size()));
sb.append("<img src=\"" + ref + "\" alt=\"" + alt + "\">");
}
}
}
@Override
public String toString() {
if (refs.size() > 0)
sb.append(newline).append(newline);
for (int i = 0; i < refs.size(); i++)
sb.append(String.format("[%d] %s ", i + 1, refs.get(i))).append(newline);
return sb.toString();
}
public static String sanitize(Context context, String html, boolean reply) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
if (prefs.getBoolean("sanitize", false)) {
Document document = Jsoup.parse(html);
HtmlHelper visitor = new HtmlHelper(context, reply);
NodeTraversor.traverse(visitor, document.body());
return visitor.toString();
} else {
Document document = Jsoup.parse(Jsoup.clean(html, Whitelist.relaxed()));
for (Element tr : document.select("tr"))
tr.after("<br>");
NodeTraversor.traverse(new NodeVisitor() {
@Override
public void head(Node node, int depth) {
if (node instanceof TextNode) {
String text = ((TextNode) node).text();
Matcher matcher = pattern.matcher(text);
while (matcher.find()) {
String ref = matcher.group();
text = text.replace(ref, String.format("<a href=\"%s\">%s</a>", ref, ref));
}
node.before(text);
((TextNode) node).text("");
public static String sanitize(String html) {
Document document = Jsoup.parse(Jsoup.clean(html, Whitelist.relaxed()));
for (Element tr : document.select("tr"))
tr.after("<br>");
NodeTraversor.traverse(new NodeVisitor() {
@Override
public void head(Node node, int depth) {
if (node instanceof TextNode) {
String text = ((TextNode) node).text();
Matcher matcher = pattern.matcher(text);
while (matcher.find()) {
String ref = matcher.group();
text = text.replace(ref, String.format("<a href=\"%s\">%s</a>", ref, ref));
}
node.before(text);
((TextNode) node).text("");
}
}
@Override
public void tail(Node node, int depth) {
}
}, document.body());
return document.body().html();
}
@Override
public void tail(Node node, int depth) {
}
}, document.body());
return document.body().html();
}
}