VegeFruits v7.1版本的 MD5 值为：2ff167dfba698c783e879938fe00b9ce

以下内容为反编译后的 co.java 源代码，内容仅作参考

package com.yandex.metrica.impl.ob;

import android.content.Context;
import android.text.TextUtils;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import javax.net.ssl.SSLSocketFactory;

public class co {
    String a;
    private String b;
    private SSLSocketFactory c;
    private fj d = new fj() {
        @Override
        public String a() {
            return co.this.b;
        }
    };

    private static class a {
        static final co a = new co();
    }

    public static co a() {
        return a.a;
    }

    co() {
    }

    public synchronized SSLSocketFactory b() {
        return this.c;
    }

    public synchronized boolean c() {
        return this.c != null;
    }

    public synchronized void a(Context context, String str, String str2) {
        String str3;
        boolean z = true;
        synchronized (this) {
            if (TextUtils.isEmpty(str2)) {
                str3 = "https://certificate.mobile.yandex.net/api/v1/pins";
            } else {
                str3 = str2 + "/api/v1/pins";
            }
            if (!TextUtils.isEmpty(str)) {
            }
            z = false;
            if (z) {
                this.b = str;
                this.a = str3;
                fd fdVar = new fd(this.d, true, true);
                X509Certificate d = d();
                if (d != null) {
                    ArrayList arrayList = new ArrayList();
                    arrayList.add(d);
                    fdVar.a(this.a, arrayList);
                    try {
                        this.c = new ez(new ew(context, fdVar)).a().getSocketFactory();
                    } catch (Exception e) {
                    }
                }
            }
        }
    }

    private static X509Certificate d() {
        try {
            String[] a2 = com.yandex.metrica.impl.ob.a.a();
            if (a2 != null && a2.length > 0) {
                return ex.a(a2[0]);
            }
        } catch (Exception e) {
        }
        return null;
    }
}