Power Battery v2.0.2版本的 MD5 值为：ca694e0112a4d0aa17ae668e765b51de
以下内容为反编译后的 u.java 源代码，内容仅作参考
package com.flurry.sdk;
import android.os.Build;
import android.text.TextUtils;
import android.util.Base64;
import com.flurry.sdk.m;
import com.huawei.hms.ads.co;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.Signature;
import java.security.spec.X509EncodedKeySpec;
import java.util.HashMap;
import java.util.Locale;
import java.util.UUID;
import javax.net.ssl.HttpsURLConnection;
public class u extends x {
private static final String g = "u";
private static String h;
private HttpsURLConnection i;
private String j;
public u(String str) {
this.a = str;
h = "Flurry-Config/1.0 (Android " + Build.VERSION.RELEASE + "/" + Build.ID + ")";
}
private static boolean a(String str, String str2, String str3) {
try {
PublicKey generatePublic = KeyFactory.getInstance("RSA").generatePublic(new X509EncodedKeySpec(Base64.decode(str, 0)));
Signature signature = Signature.getInstance("SHA256withRSA");
signature.initVerify(generatePublic);
signature.update(str2.getBytes(aa.a));
return signature.verify(Base64.decode(str3, 0));
} catch (GeneralSecurityException e) {
kn.b(g, "GeneralSecurityException for Signature: ".concat(String.valueOf(e)));
return false;
}
}
private static boolean b(String str, String str2, String str3) {
try {
PublicKey generatePublic = KeyFactory.getInstance("EC").generatePublic(new X509EncodedKeySpec(Base64.decode(str, 0)));
Signature signature = Signature.getInstance("SHA256withECDSA");
signature.initVerify(generatePublic);
signature.update(str2.getBytes(aa.a));
return signature.verify(Base64.decode(str3, 0));
} catch (GeneralSecurityException e) {
kn.b(g, "GeneralSecurityException for Signature: ".concat(String.valueOf(e)));
return false;
}
}
public static boolean d() {
try {
KeyFactory.getInstance("EC");
Signature.getInstance("SHA256withECDSA");
return true;
} catch (NoSuchAlgorithmException e) {
kn.a(g, "ECDSA encryption is not available: ".concat(String.valueOf(e)));
return false;
}
}
@Override
protected final InputStream a() throws IOException {
OutputStream outputStream;
this.i = (HttpsURLConnection) new URL(this.a).openConnection();
this.i.setReadTimeout(10000);
this.i.setConnectTimeout(15000);
this.i.setRequestMethod("POST");
this.i.setRequestProperty("User-Agent", h);
this.i.setRequestProperty("Content-Type", "application/json");
this.i.setDoInput(true);
this.i.setDoOutput(true);
this.c = UUID.randomUUID().toString().toUpperCase(Locale.ENGLISH);
BufferedWriter bufferedWriter = null;
try {
outputStream = this.i.getOutputStream();
try {
BufferedWriter bufferedWriter2 = new BufferedWriter(new OutputStreamWriter(outputStream, co.Code));
try {
bufferedWriter2.write(w.a(this.c));
bufferedWriter2.close();
if (outputStream != null) {
outputStream.close();
}
int responseCode = this.i.getResponseCode();
if (responseCode < 400) {
if (responseCode == 304) {
String headerField = this.i.getHeaderField("guid");
if (this.c.equals(headerField)) {
this.b = m.b;
kn.a(g, "Empty payload; No Change.");
} else {
this.b = new m(m.a.AUTHENTICATE, "Guid: " + this.c + ", payload: " + headerField);
String str = g;
StringBuilder sb = new StringBuilder("Authentication error: ");
sb.append(this.b);
kn.b(str, sb.toString());
}
}
this.j = this.i.getHeaderField("Content-Signature");
this.e = this.i.getHeaderField("ETag");
if (this.e != null && this.e.startsWith("\"") && this.e.endsWith("\"")) {
this.e = this.e.substring(1, this.e.length() - 1);
}
kn.a(g, "Content-Signature: " + this.j + ", ETag: " + this.e);
return this.i.getInputStream();
}
throw new IOException("Server response code is ".concat(String.valueOf(responseCode)));
} catch (Throwable th) {
th = th;
bufferedWriter = bufferedWriter2;
if (bufferedWriter != null) {
bufferedWriter.close();
}
if (outputStream != null) {
outputStream.close();
}
throw th;
}
} catch (Throwable th2) {
th = th2;
}
} catch (Throwable th3) {
th = th3;
outputStream = null;
}
}
@Override
protected final boolean a(ByteArrayOutputStream byteArrayOutputStream) {
String[] split;
String str;
String str2;
if (TextUtils.isEmpty(this.j)) {
str = g;
str2 = "Content-Signature is empty.";
} else {
HashMap hashMap = new HashMap();
for (String str3 : this.j.split(";")) {
int indexOf = str3.indexOf("=");
if (indexOf > 0) {
hashMap.put(str3.substring(0, indexOf), str3.substring(indexOf + 1));
}
}
String str4 = (String) hashMap.get("keyid");
if (TextUtils.isEmpty(str4)) {
str = g;
str2 = "Error to get keyid from Signature.";
} else {
this.d = z.a.get(str4);
kn.a(g, "Signature keyid: " + str4 + ", key: " + this.d);
if (this.d == null) {
str = g;
str2 = "Unknown keyid from Signature.";
} else {
boolean containsKey = hashMap.containsKey("sha256ecdsa");
String str5 = (String) hashMap.get(containsKey ? "sha256ecdsa" : "sha256rsa");
if (TextUtils.isEmpty(str5)) {
str = g;
str2 = "Error to get rsa from Signature.";
} else {
kn.a(g, "Signature rsa: ".concat(String.valueOf(str5)));
String byteArrayOutputStream2 = byteArrayOutputStream.toString();
if (containsKey ? b(this.d, byteArrayOutputStream2, str5) : a(this.d, byteArrayOutputStream2, str5)) {
return true;
}
str = g;
str2 = "Incorrect signature for response.";
}
}
}
}
kn.b(str, str2);
return false;
}
@Override
protected final void b() {
if (this.i != null) {
this.i.disconnect();
}
}
@Override
public final boolean c() {
return "https://cfg.flurry.com/sdk/v1/config".equals(this.a);
}
}