PurpleI2P/i2pd
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Code Issues Releases Activity

android - holder-based updater for certificate

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If holder exsists, check string (version) of assets creation.
If it differs from current app version or null, try delete certificates forder contents
for unpacking new certificates.
This commit is contained in:
R4SAS 2018-08-17 01:41:26 +03:00
parent 405429a300
commit 45596a0342
1 changed files with 64 additions and 27 deletions
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91
android/src/org/purplei2p/i2pd/I2PDActivity.java
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@ -1,7 +1,9 @@
package org.purplei2p.i2pd;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
@ -35,6 +37,7 @@ public class I2PDActivity extends Activity {
private TextView textView;
private boolean assetsCopied;
private String i2pdpath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/i2pd/";
private static final DaemonSingleton daemon = DaemonSingleton.getInstance();
@ -43,31 +46,7 @@ public class I2PDActivity extends Activity {
@Override
public void daemonStateUpdate()
{
try
{
// copy assets
if (!assetsCopied)
{
copyAsset("certificates");
copyAsset("i2pd.conf");
copyAsset("subscriptions.txt");
copyAsset("tunnels.conf");
assetsCopied = true;
// create holder file about successful copying
File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/i2pd/", "assets.ready");
FileWriter writer = new FileWriter(file);
String versionName = BuildConfig.VERSION_NAME; // here will be 2.XX.0
writer.append(versionName);
writer.flush();
writer.close();
}
}
catch (Throwable tr)
{
Log.e(TAG,"copy assets",tr);
};
processAssets();
runOnUiThread(new Runnable(){
@Override
@ -343,7 +322,7 @@ public class I2PDActivity extends Activity {
throw new IOException();
// Make the directory.
File dir = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/i2pd/", path);
File dir = new File(i2pdpath, path);
dir.mkdirs();
// Recurse on the contents.
@ -363,7 +342,7 @@ public class I2PDActivity extends Activity {
* Path to asset, relative to app's assets directory.
*/
private void copyFileAsset(String path) {
File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/i2pd/", path);
File file = new File(i2pdpath, path);
if(!file.exists()) try {
InputStream in = getAssets().open(path);
OutputStream out = new FileOutputStream(file);
@ -379,4 +358,62 @@ public class I2PDActivity extends Activity {
Log.e(TAG, "", e);
}
}
private void deleteRecursive(File fileOrDirectory) {
if (fileOrDirectory.isDirectory()) {
for (File child : fileOrDirectory.listFiles()) {
deleteRecursive(child);
}
}
fileOrDirectory.delete();
}
private void processAssets() {
if (!assetsCopied) try {
assetsCopied = true; // prevent from running on every state update
File holderfile = new File(i2pdpath, "assets.ready");
String versionName = BuildConfig.VERSION_NAME; // here will be app version, like 2.XX.XX
StringBuilder text = new StringBuilder();
if (holderfile.exists()) try { // if holder file exists, read assets version string
BufferedReader br = new BufferedReader(new FileReader(holderfile));
String line;
while ((line = br.readLine()) != null) {
text.append(line);
}
br.close();
}
catch (IOException e) {
Log.e(TAG, "", e);
}
// if version differs from current app version or null, try to delete certificates folder
if (!text.toString().contains(versionName)) try {
holderfile.delete();
File certpath = new File(i2pdpath, "certificates");
deleteRecursive(certpath);
}
catch (Throwable tr) {
Log.e(TAG, "", tr);
}
// copy assets. If processed file exists, it won't be overwrited
copyAsset("certificates");
copyAsset("i2pd.conf");
copyAsset("subscriptions.txt");
copyAsset("tunnels.conf");
// update holder file about successful copying
FileWriter writer = new FileWriter(holderfile);
writer.append(versionName);
writer.flush();
writer.close();
}
catch (Throwable tr)
{
Log.e(TAG,"copy assets",tr);
}
}
}