fabian/telegram_backup
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You could call this version a first beta version.

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This commit is contained in:
Fabian Schlenz 2016-07-02 10:55:20 +02:00
parent 265f3e854a
commit c0bc3cdd2d
7 changed files with 86 additions and 32 deletions
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1
.gitignore vendored
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@ -4,3 +4,4 @@ build/
auth.dat
dc.dat
data/
.DS_Store

6
src/main/java/de/fabianonline/telegram_backup/CommandLineController.java
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@ -9,6 +9,7 @@ import de.fabianonline.telegram_backup.Config;
import de.fabianonline.telegram_backup.ApiStorage;
import de.fabianonline.telegram_backup.UserManager;
import de.fabianonline.telegram_backup.DownloadManager;
import de.fabianonline.telegram_backup.CommandLineDownloadProgress;
import java.io.File;
import java.io.IOException;
@ -61,12 +62,13 @@ public class CommandLineController {
}
storage.setPrefix("+" + user.getUser().getPhone());
System.out.println("Next time, please run this tool with '--account " + user.getUser().getPhone() + " to use this account.");
System.out.println("Please run this tool with '--account +" + user.getUser().getPhone() + " to use this account.");
System.exit(0);
}
System.out.println("You are logged in as " + user.getUserString());
DownloadManager d = new DownloadManager(user, client);
DownloadManager d = new DownloadManager(user, client, new CommandLineDownloadProgress());
d.downloadMessages(options.limit_messages);
d.downloadMedia();
} catch (RpcErrorException e) {

25
src/main/java/de/fabianonline/telegram_backup/CommandLineDownloadProgress.java Normal file
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@ -0,0 +1,25 @@
package de.fabianonline.telegram_backup;
import de.fabianonline.telegram_backup.DownloadProgressInterface;
class CommandLineDownloadProgress implements DownloadProgressInterface {
private int mediaCount = 0;
private int i = 0;
public void onMessageDownloadStart(int count) { System.out.println("Downloading " + count + " messages."); }
public void onMessageDownloaded(int number) { System.out.print("" + number + "..."); }
public void onMessageDownloadFinished() { System.out.println(" done."); }
public void onMediaDownloadStart(int count) { i = 0; mediaCount = count; System.out.println("Checking " + count + " media."); }
public void onMediaDownloadedVideo(boolean n) { show(n, 'V'); }
public void onMediaDownloadedPhoto(boolean n) { show(n, 'P'); }
public void onMediaDownloadedDocument(boolean n) { show(n, 'D'); }
public void onMediaDownloadedSticker(boolean n) { show(n, 'S'); }
public void onMediaDownloadedOther(boolean n) { show(n, ' '); }
public void onMediaDownloadFinished() { showNewLine(); System.out.println("Done."); }
private void show(boolean n, char letter) { System.out.print(n ? letter : '.'); i++; if (i % 50 == 0) showNewLine();}
private void showNewLine() { System.out.println(" - " + i + "/" + mediaCount); }
}

4
src/main/java/de/fabianonline/telegram_backup/Config.java
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@ -17,8 +17,8 @@ class Config {
public static final String FILE_FILES_BASE = "files";
public static final String FILE_STICKER_BASE = "stickers";
public static final int FILE_DOWNLOAD_BLOCK_SIZE = 1024*1024;
public static final int FILE_DOWNLOAD_BLOCK_SIZE = 10*1024*1024;
public static final int DELAY_AFTER_GET_FILE = 750;
public static final int DELAY_AFTER_GET_FILE = 200;
}

2
src/main/java/de/fabianonline/telegram_backup/Database.java
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@ -142,7 +142,6 @@ class Database {
} else if (msg.getMedia() instanceof TLMessageMediaPhoto) {
text = ((TLMessageMediaPhoto)msg.getMedia()).getCaption();
}
System.out.println("" + msg.getId() + ": >" + text + "<");
}
ps.setString(5, text);
ps.setString(6, ""+msg.getDate());
@ -163,7 +162,6 @@ class Database {
}
}
if (sticker != null) {
System.out.println("" + msg.getId() + ": >" + msg.getMessage() + "< " + sticker);
ps.setString(9, sticker);
} else {
ps.setNull(9, Types.VARCHAR);

65
src/main/java/de/fabianonline/telegram_backup/DownloadManager.java
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@ -3,6 +3,7 @@ package de.fabianonline.telegram_backup;
import de.fabianonline.telegram_backup.UserManager;
import de.fabianonline.telegram_backup.Database;
import de.fabianonline.telegram_backup.StickerConverter;
import de.fabianonline.telegram_backup.DownloadProgressInterface;
import com.github.badoualy.telegram.api.TelegramClient;
import com.github.badoualy.telegram.tl.core.TLIntVector;
@ -23,10 +24,12 @@ class DownloadManager {
UserManager user;
TelegramClient client;
Database db;
DownloadProgressInterface prog = null;
public DownloadManager(UserManager u, TelegramClient c) {
public DownloadManager(UserManager u, TelegramClient c, DownloadProgressInterface p) {
this.user = u;
this.client = c;
this.prog = p;
this.db = new Database(u);
}
@ -60,25 +63,30 @@ class DownloadManager {
return;
}
prog.onMessageDownloadStart(end_id - current_start_id + 1);
while (current_start_id <= end_id) {
int my_end_id = Math.min(current_start_id+99, end_id);
ArrayList<Integer> a = makeIdList(current_start_id, my_end_id);
TLIntVector ids = new TLIntVector();
ids.addAll(a);
my_end_id = ids.get(ids.size()-1);
System.out.println("Fetching messages from " + ids.get(0) + " to " + my_end_id + "...");
current_start_id = my_end_id + 1;
TLAbsMessages response = client.messagesGetMessages(ids);
prog.onMessageDownloaded(response.getMessages().size());
db.save(response.getMessages());
try {
Thread.sleep(750);
} catch (InterruptedException e) {}
}
prog.onMessageDownloadFinished();
}
public void downloadMedia() throws RpcErrorException, IOException {
LinkedList<TLMessage> messages = this.db.getMessagesWithMedia();
prog.onMediaDownloadStart(messages.size());
for (TLMessage msg : messages) {
TLAbsMessageMedia media = msg.getMedia();
@ -88,22 +96,19 @@ class DownloadManager {
this.downloadMessageMediaDocument(msg, (TLMessageMediaDocument)media);
} else if (media instanceof TLMessageMediaVideo) {
this.downloadMessageMediaVideo(msg, (TLMessageMediaVideo)media);
} else if (media instanceof TLMessageMediaEmpty) {
// do nothing
} else if (media instanceof TLMessageMediaUnsupported) {
// do nothing
} else if (media instanceof TLMessageMediaGeo) {
// do nothing
} else if (media instanceof TLMessageMediaWebPage) {
// do nothing
} else if (media instanceof TLMessageMediaContact) {
// do nothing
} else if (media instanceof TLMessageMediaVenue) {
} else if (media instanceof TLMessageMediaEmpty ||
media instanceof TLMessageMediaUnsupported ||
media instanceof TLMessageMediaGeo ||
media instanceof TLMessageMediaWebPage ||
media instanceof TLMessageMediaContact ||
media instanceof TLMessageMediaVenue) {
prog.onMediaDownloadedOther(true);
// do nothing
} else {
throw new RuntimeException("Unexpected " + media.getClass().getName());
}
}
prog.onMediaDownloadFinished();
}
private void downloadMessageMediaPhoto(TLMessage msg, TLMessageMediaPhoto p) throws RpcErrorException, IOException {
@ -122,7 +127,8 @@ class DownloadManager {
throw new RuntimeException("Could not find a size for a photo.");
}
if (size.getLocation() instanceof TLFileLocation) {
this.downloadPhoto(msg.getId(), (TLFileLocation)size.getLocation());
boolean res = this.downloadPhoto(msg.getId(), (TLFileLocation)size.getLocation());
prog.onMediaDownloadedPhoto(res);
}
} else {
throw new RuntimeException("Got an unexpected " + p.getPhoto().getClass().getName());
@ -164,7 +170,12 @@ class DownloadManager {
filename = this.makeFilename(msg.getId(), ext);
}
this.downloadDocument(filename, doc);
boolean res = this.downloadDocument(filename, doc);
if (sticker != null) {
prog.onMediaDownloadedSticker(res);
} else {
prog.onMediaDownloadedDocument(res);
}
} else {
throw new RuntimeException("Got an unexpected " + d.getDocument().getClass().getName());
}
@ -175,7 +186,8 @@ class DownloadManager {
TLVideo vid = (TLVideo)v.getVideo();
int i = vid.getMimeType().lastIndexOf('/');
String ext = vid.getMimeType().substring(i+1).toLowerCase();
this.downloadVideo(this.makeFilename(msg.getId(), ext), vid);
boolean res = this.downloadVideo(this.makeFilename(msg.getId(), ext), vid);
prog.onMediaDownloadedVideo(res);
}
}
@ -186,27 +198,27 @@ class DownloadManager {
return a;
}
private void downloadPhoto(int msgId, TLFileLocation src) throws RpcErrorException, IOException {
private boolean downloadPhoto(int msgId, TLFileLocation src) throws RpcErrorException, IOException {
TLInputFileLocation loc = new TLInputFileLocation();
loc.setVolumeId(src.getVolumeId());
loc.setLocalId(src.getLocalId());
loc.setSecret(src.getSecret());
this.downloadFile(this.makeFilename(msgId, "jpg"), loc);
return this.downloadFile(this.makeFilename(msgId, "jpg"), loc);
}
private void downloadDocument(String filename, TLDocument doc) throws RpcErrorException, IOException {
private boolean downloadDocument(String filename, TLDocument doc) throws RpcErrorException, IOException {
TLInputDocumentFileLocation loc = new TLInputDocumentFileLocation();
loc.setId(doc.getId());
loc.setAccessHash(doc.getAccessHash());
this.downloadFileFromDc(filename, loc, doc.getDcId());
return this.downloadFileFromDc(filename, loc, doc.getDcId());
}
private void downloadVideo(String filename, TLVideo vid) throws RpcErrorException, IOException {
private boolean downloadVideo(String filename, TLVideo vid) throws RpcErrorException, IOException {
TLInputDocumentFileLocation loc = new TLInputDocumentFileLocation();
loc.setId(vid.getId());
loc.setAccessHash(vid.getAccessHash());
this.downloadFileFromDc(filename, loc, vid.getDcId());
return this.downloadFileFromDc(filename, loc, vid.getDcId());
}
private String makeFilename(int id, String ext) {
@ -218,13 +230,13 @@ class DownloadManager {
return path + id + ".dat";
}
private void downloadFile(String target, TLAbsInputFileLocation loc) throws RpcErrorException, IOException {
downloadFileFromDc(target, loc, null);
private boolean downloadFile(String target, TLAbsInputFileLocation loc) throws RpcErrorException, IOException {
return downloadFileFromDc(target, loc, null);
}
private void downloadFileFromDc(String target, TLAbsInputFileLocation loc, Integer dcID) throws RpcErrorException, IOException {
private boolean downloadFileFromDc(String target, TLAbsInputFileLocation loc, Integer dcID) throws RpcErrorException, IOException {
// Don't download already existing files.
if (new File(target).isFile()) return;
if (new File(target).isFile()) return false;
FileOutputStream fos = null;
try {
@ -243,6 +255,7 @@ class DownloadManager {
try { Thread.sleep(Config.DELAY_AFTER_GET_FILE); } catch(InterruptedException e) {}
} while(response.getBytes().getLength() == Config.FILE_DOWNLOAD_BLOCK_SIZE);
fos.close();
return true;
} catch (java.io.IOException ex) {
if (fos!=null) fos.close();
new File(target).delete();

15
src/main/java/de/fabianonline/telegram_backup/DownloadProgressInterface.java Normal file
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@ -0,0 +1,15 @@
package de.fabianonline.telegram_backup;
interface DownloadProgressInterface {
public void onMessageDownloadStart(int count);
public void onMessageDownloaded(int number);
public void onMessageDownloadFinished();
public void onMediaDownloadStart(int count);
public void onMediaDownloadedVideo(boolean n);
public void onMediaDownloadedPhoto(boolean n);
public void onMediaDownloadedDocument(boolean n);
public void onMediaDownloadedSticker(boolean n);
public void onMediaDownloadedOther(boolean n);
public void onMediaDownloadFinished();
}