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Remove token, use ETag to prevent multiple queries

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This commit is contained in:
topjohnwu 2017-01-11 17:37:35 +08:00
parent 5363b0f810
commit 61e2c3444a
6 changed files with 60 additions and 51 deletions
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4
app/src/main/java/com/topjohnwu/magisk/module/Repo.java
View File

@ -4,7 +4,7 @@ import android.content.Context;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.utils.Logger;
import com.topjohnwu.magisk.utils.WebRequest;
import com.topjohnwu.magisk.utils.WebService;
import java.util.Date;
@ -22,7 +22,7 @@ public class Repo extends BaseModule {
public void update() throws CacheModException {
Logger.dev("Repo: Re-fetch prop");
String props = WebRequest.makeWebServiceCall(mManifestUrl, WebRequest.GET, true);
String props = WebService.request(mManifestUrl, WebService.GET, true);
String lines[] = props.split("\\n");
parseProps(lines);
}

2
app/src/main/java/com/topjohnwu/magisk/utils/Async.java
View File

@ -56,7 +56,7 @@ public class Async {
@Override
protected Void doInBackground(Void... voids) {
String jsonStr = WebRequest.makeWebServiceCall(UPDATE_JSON, WebRequest.GET);
String jsonStr = WebService.request(UPDATE_JSON, WebService.GET);
try {
JSONObject json = new JSONObject(jsonStr);
JSONObject magisk = json.getJSONObject("magisk");

31
app/src/main/java/com/topjohnwu/magisk/utils/ModuleHelper.java
View File

@ -31,6 +31,7 @@ public class ModuleHelper {
private static final String FILE_KEY = "RepoMap";
private static final String REPO_KEY = "repomap";
private static final String VERSION_KEY = "version";
private static final String ETAG_KEY = "ETag";
private static final int DATABASE_VER = 1;
private static ValueSortedMap<String, Repo> repoMap = new ValueSortedMap<>();
@ -57,10 +58,11 @@ public class ModuleHelper {
public static void createRepoMap(Context context) {
Logger.dev("ModuleHelper: Loading repos");
SharedPreferences prefs = context.getSharedPreferences(FILE_KEY, Context.MODE_PRIVATE);
repoMap.clear();
Gson gson = new Gson();
SharedPreferences prefs = context.getSharedPreferences(FILE_KEY, Context.MODE_PRIVATE);
String jsonString;
int cachedVersion = prefs.getInt(VERSION_KEY, 0);
@ -74,20 +76,31 @@ public class ModuleHelper {
ValueSortedMap<String, Repo> cached = null;
if (jsonString != null) {
cached = gson.fromJson(jsonString, new TypeToken< ValueSortedMap<String, Repo> >(){}.getType());
cached = gson.fromJson(jsonString, new TypeToken<ValueSortedMap<String, Repo>>(){}.getType());
}
if (cached == null) {
cached = new ValueSortedMap<>();
}
// Making a request to url and getting response
jsonString = WebRequest.makeWebServiceCall(context.getString(R.string.url_main), WebRequest.GET);
// Get cached ETag to add in the request header
String etag = prefs.getString(ETAG_KEY, "");
HashMap<String, String> header = new HashMap<>();
header.put("If-None-Match", etag);
if (jsonString != null && !jsonString.isEmpty()) {
// Have internet access
// Making a request to main URL for repo info
jsonString = WebService.request(
context.getString(R.string.url_main), WebService.GET, null, header, false);
if (!jsonString.isEmpty()) {
try {
JSONArray jsonArray = new JSONArray(jsonString);
// If it gets to this point, the response is valid, update ETag
etag = WebService.getLastResponseHeader().get(ETAG_KEY).get(0);
// Maybe bug in Android build tools, sometimes the ETag has crap in it...
etag = etag.substring(etag.indexOf('\"'), etag.lastIndexOf('\"') + 1);
// Update repo info
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jsonobject = jsonArray.getJSONObject(i);
String id = jsonobject.getString("description");
@ -106,7 +119,7 @@ public class ModuleHelper {
Logger.dev("ModuleHelper: Create new repo " + id);
repo = new Repo(context, name, updatedDate);
} else {
Logger.dev("ModuleHelper: Cached repo " + id);
Logger.dev("ModuleHelper: Update cached repo " + id);
repo.update(updatedDate);
}
if (repo.getId() != null) {
@ -118,13 +131,15 @@ public class ModuleHelper {
e.printStackTrace();
}
} else {
// Use cached if no internet
// Use cached if no internet or no updates
Logger.dev("ModuleHelper: No updates, use cached");
repoMap.putAll(cached);
}
prefs.edit()
.putInt(VERSION_KEY, DATABASE_VER)
.putString(REPO_KEY, gson.toJson(repoMap))
.putString(ETAG_KEY, etag)
.apply();
Logger.dev("ModuleHelper: Repo load done");

13
app/src/main/java/com/topjohnwu/magisk/utils/Utils.java
View File

@ -10,7 +10,6 @@ import android.net.Uri;
import android.os.Environment;
import android.support.v4.app.ActivityCompat;
import android.text.TextUtils;
import android.util.Base64;
import android.widget.Toast;
import com.topjohnwu.magisk.R;
@ -19,20 +18,8 @@ import com.topjohnwu.magisk.receivers.DownloadReceiver;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.util.List;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
public class Utils {
public static boolean isDownloading = false;

59
app/src/main/java/com/topjohnwu/magisk/utils/WebRequest.java → app/src/main/java/com/topjohnwu/magisk/utils/WebService.java
View File

@ -8,21 +8,17 @@ import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.net.ssl.HttpsURLConnection;
public class WebRequest {
public class WebService {
static String response = null;
public final static int GET = 1;
public final static int POST = 2;
//Constructor with no parameter
public WebRequest() {
}
private static Map<String, List<String>> responseHeader;
/**
* Making web service call
@ -30,15 +26,12 @@ public class WebRequest {
* @url - url to make request
* @requestmethod - http request method
*/
public static String makeWebServiceCall(String url, int requestmethod) {
return makeWebServiceCall(url, requestmethod, null, false);
public static String request(String url, int method) {
return request(url, method, null, null, false);
}
public static String makeWebServiceCall(String url, int requestmethod, boolean addNewLines) {
return makeWebServiceCall(url, requestmethod, null, addNewLines);
public static String request(String url, int method, boolean newline) {
return request(url, method, null, null, newline);
}
/**
@ -47,26 +40,35 @@ public class WebRequest {
* @url - url to make request
* @requestmethod - http request method
* @params - http request params
* @header - http request header
* @newline - true to append a newline each line
*/
public static String makeWebServiceCall(String urladdress, int requestmethod,
HashMap<String, String> params, boolean addNewLines) {
Logger.dev("WebRequest: Service call " + urladdress);
public static String request(String urlAddress, int method,
Map<String, String> params, Map<String, String> header,
boolean newline) {
Logger.dev("WebService: Service call " + urlAddress);
URL url;
String response = "";
StringBuilder response = new StringBuilder();
try {
url = new URL(urladdress);
url = new URL(urlAddress);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(15000);
conn.setConnectTimeout(15000);
conn.setDoInput(true);
if (requestmethod == POST) {
if (method == POST) {
conn.setRequestMethod("POST");
} else if (requestmethod == GET) {
} else if (method == GET) {
conn.setRequestMethod("GET");
}
if (header != null) {
for (Map.Entry<String, String> entry : header.entrySet()) {
conn.setRequestProperty(entry.getKey(), entry.getValue());
}
}
if (params != null) {
OutputStream os = conn.getOutputStream();
BufferedWriter writer = new BufferedWriter(
@ -98,20 +100,25 @@ public class WebRequest {
String line;
BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
while ((line = br.readLine()) != null) {
if (addNewLines) {
response += line + "\n";
if (newline) {
response.append(line).append("\n");
} else {
response += line;
response.append(line);
}
}
responseHeader = conn.getHeaderFields();
} else {
response = "";
responseHeader = null;
}
} catch (Exception e) {
e.printStackTrace();
}
return response;
return response.toString();
}
public static Map<String, List<String>> getLastResponseHeader() {
return responseHeader;
}
}

2
app/src/main/res/values/strings.xml
View File

@ -111,7 +111,7 @@
<string name="check_release_notes">Check release notes</string>
<!--URL Templates-->
<string name="url_main" translatable="false">https://api.github.com/orgs/Magisk-Modules-Repo/repos?access_token=8f3c379fbeb80754b45b02486482584893af142a</string>
<string name="url_main" translatable="false">https://api.github.com/orgs/Magisk-Modules-Repo/repos</string>
<string name="file_url" translatable="false">https://raw.githubusercontent.com/Magisk-Modules-Repo/%1$s/master/%2$s</string>
<string name="zip_url" translatable="false">https://github.com/Magisk-Modules-Repo/%1$s/archive/master.zip</string>