哔哩哔哩 v1.6.6 - aad.java 源代码

package bl;

import android.text.TextUtils;
import com.bilibili.tv.MainApplication;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.util.UUID;

public class aad {
    private static aad b;
    private String a = "";

    public static aad a() {
        synchronized (aad.class) {
            if (b == null) {
                b = new aad();
            }
        }
        return b;
    }

    public String b() {
        String str;
        synchronized (aad.class) {
            str = TextUtils.isEmpty(this.a) ? "" : this.a;
        }
        if (TextUtils.isEmpty(str)) {
            lv.c(2, new Runnable() {
                @Override
                public void run() {
                    String b2 = aad.b(abc.b().i());
                    if (TextUtils.isEmpty(b2)) {
                        String d = aad.d();
                        if (d == null) {
                            try {
                                String c = aae.c(MainApplication.a());
                                if (c != null && c.length() > 0) {
                                    if (c.length() > 36) {
                                        c = c.substring(0, 36);
                                    }
                                    d = c.concat("infoc");
                                }
                            } catch (Throwable unused) {
                                d = UUID.randomUUID().toString();
                            }
                        }
                        synchronized (aad.class) {
                            aad.this.a = d;
                            if (!TextUtils.isEmpty(aad.this.a)) {
                                abc.b().a(aad.this.a);
                            }
                        }
                        return;
                    }
                    synchronized (aad.class) {
                        aad.this.a = b2;
                    }
                }
            });
            synchronized (aad.class) {
                str = this.a;
            }
        }
        return str;
    }

    public static String d() {
        try {
            HttpURLConnection a = adi.a("http://data.bilibili.com/gv/", "Mozilla/5.0 BiliTV/1.6.6 ([email protected])", 5000, 5000);
            a.setInstanceFollowRedirects(false);
            try {
                return b(200 == a.getResponseCode() ? adi.a(a) : null);
            } catch (IOException unused) {
                return null;
            } finally {
                a.disconnect();
            }
        } catch (IOException unused2) {
            return null;
        }
    }

    public static String b(String str) {
        int length;
        if (str == null || (length = str.length()) == 0 || length > 64) {
            return null;
        }
        for (int i = 0; i < length; i++) {
            char charAt = str.charAt(i);
            if (('A' > charAt || charAt > 'Z') && (('a' > charAt || charAt > 'z') && !(('0' <= charAt && charAt <= '9') || charAt == '-' || charAt == '_'))) {
                return null;
            }
        }
        return str;
    }
}