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Code Issues Packages Projects Releases Wiki Activity

Added support for favicons

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M66B
2020-06-30 11:19:17 +02:00
parent 4b96f6830f
commit 4ffed65da3
6 changed files with 158 additions and 7 deletions
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116
app/src/main/java/eu/faircode/email/ContactInfo.java
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@@ -36,14 +36,24 @@ import android.text.TextUtils;
import androidx.annotation.NonNull;
import androidx.preference.PreferenceManager;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
@@ -51,6 +61,7 @@ import java.util.concurrent.ExecutorService;
import javax.mail.Address;
import javax.mail.internet.InternetAddress;
import javax.net.ssl.HttpsURLConnection;
public class ContactInfo {
private String email;
@@ -63,13 +74,20 @@ public class ContactInfo {
private static Map<String, Lookup> emailLookup = new ConcurrentHashMap<>();
private static final Map<String, ContactInfo> emailContactInfo = new HashMap<>();
private static final Map<String, Avatar> emailGravatar = new HashMap<>();
private static final List<String> emailFaviconBlacklist = new ArrayList<>();
private static final ExecutorService executor =
Helper.getBackgroundExecutor(1, "contact");
private static final int GRAVATAR_TIMEOUT = 5 * 1000; // milliseconds
private static final int FAVICON_TIMEOUT = 15 * 1000; // milliseconds
private static final long CACHE_CONTACT_DURATION = 2 * 60 * 1000L; // milliseconds
private static final long CACHE_GRAVATAR_DURATION = 2 * 60 * 60 * 1000L; // milliseconds
static {
emailFaviconBlacklist.add("gmail.com");
}
private ContactInfo() {
}
@@ -151,10 +169,12 @@ public class ContactInfo {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean avatars = prefs.getBoolean("avatars", true);
boolean gravatars = prefs.getBoolean("gravatars", false);
boolean favicons = prefs.getBoolean("favicons", false);
boolean generated = prefs.getBoolean("generated_icons", true);
boolean identicons = prefs.getBoolean("identicons", false);
boolean circular = prefs.getBoolean("circular", true);
// Contact photo
if (!TextUtils.isEmpty(info.email) &&
Helper.hasPermission(context, Manifest.permission.READ_CONTACTS)) {
ContentResolver resolver = context.getContentResolver();
@@ -195,6 +215,7 @@ public class ContactInfo {
}
}
// Gravatar
if (info.bitmap == null) {
if (gravatars && !TextUtils.isEmpty(info.email)) {
String gkey = info.email.toLowerCase(Locale.ROOT);
@@ -243,6 +264,78 @@ public class ContactInfo {
}
}
// Favicon
if (info.bitmap == null) {
int at = (info.email == null ? -1 : info.email.indexOf('@'));
String domain = (at < 0 ? null : info.email.substring(at + 1).toLowerCase(Locale.ROOT));
synchronized (emailFaviconBlacklist) {
if (emailFaviconBlacklist.contains(domain)) {
Log.i("Favicon blacklisted domain=" + domain);
domain = null;
}
}
if (favicons && domain != null) {
try {
File dir = new File(context.getCacheDir(), "favicons");
if (!dir.exists())
dir.mkdir();
File file = new File(dir, domain);
if (file.exists())
info.bitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
else {
URL base = new URL("https://" + domain);
info.bitmap = getFavicon(new URL(base, "favicon.ico"));
if (info.bitmap == null) {
Log.i("GET " + base);
HttpsURLConnection connection = (HttpsURLConnection) base.openConnection();
connection.setRequestMethod("GET");
connection.setReadTimeout(FAVICON_TIMEOUT);
connection.setConnectTimeout(FAVICON_TIMEOUT);
connection.connect();
String response;
try {
response = Helper.readStream(connection.getInputStream(), StandardCharsets.UTF_8.name());
} finally {
connection.disconnect();
}
Document doc = JsoupEx.parse(response);
Element link = doc.head().select("link[href~=.*\\.(ico|png)]").first();
String favicon = (link == null ? null : link.attr("href"));
if (TextUtils.isEmpty(favicon)) {
Element meta = doc.head().select("meta[itemprop=image]").first();
favicon = (meta == null ? null : meta.attr("content"));
}
if (!TextUtils.isEmpty(favicon)) {
URL url = new URL(base, favicon);
if ("https".equals(url.getProtocol()))
info.bitmap = getFavicon(url);
}
}
if (info.bitmap != null)
try (OutputStream os = new BufferedOutputStream(new FileOutputStream(file))) {
info.bitmap.compress(Bitmap.CompressFormat.PNG, 90, os);
}
}
} catch (Throwable ex) {
Log.w(ex);
} finally {
if (info.bitmap == null)
synchronized (emailFaviconBlacklist) {
emailFaviconBlacklist.add(domain);
}
}
}
}
// Generated
boolean identicon = false;
if (info.bitmap == null) {
int dp = Helper.dp2pixels(context, 96);
@@ -277,6 +370,29 @@ public class ContactInfo {
return info;
}
private static Bitmap getFavicon(URL url) throws IOException {
try {
Log.i("GET favicon " + url);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setReadTimeout(FAVICON_TIMEOUT);
connection.setConnectTimeout(FAVICON_TIMEOUT);
connection.connect();
try {
return BitmapFactory.decodeStream(connection.getInputStream());
} finally {
connection.disconnect();
}
} catch (IOException ex) {
Log.w(ex);
if (ex instanceof SocketTimeoutException)
throw ex;
return null;
}
}
static void init(final Context context) {
if (Helper.hasPermission(context, Manifest.permission.READ_CONTACTS)) {
Handler handler = new Handler(Looper.getMainLooper());