telegram_backup/src/main/kotlin/de/fabianonline/telegram_backup/CommandLineController.kt

310 lines
11 KiB
Kotlin

/* Telegram_Backup
* Copyright (C) 2016 Fabian Schlenz
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
package de.fabianonline.telegram_backup
import de.fabianonline.telegram_backup.TelegramUpdateHandler
import de.fabianonline.telegram_backup.exporter.HTMLExporter
import com.github.badoualy.telegram.api.Kotlogram
import com.github.badoualy.telegram.api.TelegramApp
import com.github.badoualy.telegram.api.TelegramClient
import com.github.badoualy.telegram.tl.exception.RpcErrorException
import java.io.File
import java.io.IOException
import java.util.Scanner
import java.util.Vector
import java.util.HashMap
import org.slf4j.LoggerFactory
import org.slf4j.Logger
class CommandLineController {
private val storage: ApiStorage
var app: TelegramApp
private fun getLine(): String {
if (System.console() != null) {
return System.console().readLine("> ")
} else {
print("> ")
return Scanner(System.`in`).nextLine()
}
}
private fun getPassword(): String {
if (System.console() != null) {
return String(System.console().readPassword("> "))
} else {
return getLine()
}
}
init {
logger.info("CommandLineController started. App version {}", Config.APP_APPVER)
this.printHeader()
if (CommandLineOptions.cmd_version) {
System.exit(0)
} else if (CommandLineOptions.cmd_help) {
this.show_help()
System.exit(0)
} else if (CommandLineOptions.cmd_license) {
CommandLineController.show_license()
System.exit(0)
}
this.setupFileBase()
if (CommandLineOptions.cmd_list_accounts) {
this.list_accounts()
System.exit(0)
}
logger.debug("Initializing TelegramApp")
app = TelegramApp(Config.APP_ID, Config.APP_HASH, Config.APP_MODEL, Config.APP_SYSVER, Config.APP_APPVER, Config.APP_LANG)
logger.trace("Checking accounts")
val account = this.selectAccount()
logger.debug("CommandLineOptions.cmd_login: {}", CommandLineOptions.cmd_login)
logger.info("Initializing ApiStorage")
storage = ApiStorage(account)
logger.info("Initializing TelegramUpdateHandler")
val handler = TelegramUpdateHandler()
logger.info("Creating Client")
val client = Kotlogram.getDefaultClient(app, storage, Kotlogram.PROD_DC4, handler)
try {
logger.info("Initializing UserManager")
UserManager.init(client)
val user = UserManager.getInstance()
if (!CommandLineOptions.cmd_login && !user.loggedIn) {
println("Your authorization data is invalid or missing. You will have to login with Telegram again.")
CommandLineOptions.cmd_login = true
}
if (account != null && user.loggedIn) {
if (account != "+" + user.user!!.getPhone()) {
logger.error("Account: {}, user.user!!.getPhone(): +{}", Utils.anonymize(account), Utils.anonymize(user.user!!.getPhone()))
throw RuntimeException("Account / User mismatch")
}
}
logger.debug("CommandLineOptions.cmd_login: {}", CommandLineOptions.cmd_login)
if (CommandLineOptions.cmd_login) {
cmd_login(account)
System.exit(0)
}
// If we reach this point, we can assume that there is an account and a database can be loaded / created.
Database.init(client)
if (CommandLineOptions.cmd_stats) {
cmd_stats()
System.exit(0)
}
if (CommandLineOptions.val_test != null) {
if (CommandLineOptions.val_test == 1) {
TestFeatures.test1()
} else if (CommandLineOptions.val_test == 2) {
TestFeatures.test2()
} else {
System.out.println("Unknown test " + CommandLineOptions.val_test)
}
System.exit(1)
}
logger.debug("CommandLineOptions.val_export: {}", CommandLineOptions.val_export)
if (CommandLineOptions.val_export != null) {
if (CommandLineOptions.val_export!!.toLowerCase().equals("html")) {
(HTMLExporter()).export()
System.exit(0)
} else {
show_error("Unknown export format.")
}
}
if (user.loggedIn) {
System.out.println("You are logged in as " + Utils.anonymize(user.userString))
} else {
println("You are not logged in.")
System.exit(1)
}
logger.info("Initializing Download Manager")
val d = DownloadManager(client, CommandLineDownloadProgress())
logger.debug("Calling DownloadManager.downloadMessages with limit {}", CommandLineOptions.val_limit_messages)
d.downloadMessages(CommandLineOptions.val_limit_messages)
logger.debug("CommandLineOptions.cmd_no_media: {}", CommandLineOptions.cmd_no_media)
if (!CommandLineOptions.cmd_no_media) {
logger.debug("Calling DownloadManager.downloadMedia")
d.downloadMedia()
} else {
println("Skipping media download because --no-media is set.")
}
} catch (e: Exception) {
e.printStackTrace()
logger.error("Exception caught!", e)
} finally {
if (CommandLineOptions.cmd_daemon) {
handler.activate()
println("DAEMON mode requested - keeping running.")
} else {
client.close()
println()
println("----- EXIT -----")
System.exit(0)
}
}
}
private fun printHeader() {
System.out.println("Telegram_Backup version " + Config.APP_APPVER + ", Copyright (C) 2016, 2017 Fabian Schlenz")
println()
println("Telegram_Backup comes with ABSOLUTELY NO WARRANTY. This is free software, and you are")
println("welcome to redistribute it under certain conditions; run it with '--license' for details.")
println()
}
private fun setupFileBase() {
logger.debug("Target dir at startup: {}", Utils.anonymize(Config.FILE_BASE))
if (CommandLineOptions.val_target != null) {
Config.FILE_BASE = CommandLineOptions.val_target!!
}
logger.debug("Target dir after options: {}", Utils.anonymize(Config.FILE_BASE))
System.out.println("Base directory for files: " + Utils.anonymize(Config.FILE_BASE))
}
private fun selectAccount(): String? {
var account = "none"
val accounts = Utils.getAccounts()
if (CommandLineOptions.cmd_login) {
logger.debug("Login requested, doing nothing.")
// do nothing
} else if (CommandLineOptions.val_account != null) {
logger.debug("Account requested: {}", Utils.anonymize(CommandLineOptions.val_account!!))
logger.trace("Checking accounts for match.")
var found = false
for (acc in accounts) {
logger.trace("Checking {}", Utils.anonymize(acc))
if (acc == CommandLineOptions.val_account) {
found = true
logger.trace("Matches.")
break
}
}
if (!found) {
show_error("Couldn't find account '" + Utils.anonymize(CommandLineOptions.val_account!!) + "'. Maybe you want to use '--login' first?")
}
account = CommandLineOptions.val_account!!
} else if (accounts.size == 0) {
println("No accounts found. Starting login process...")
CommandLineOptions.cmd_login = true
return null
} else if (accounts.size == 1) {
account = accounts.firstElement()
System.out.println("Using only available account: " + Utils.anonymize(account))
} else {
show_error(("You didn't specify which account to use.\n" +
"Use '--account <x>' to use account <x>.\n" +
"Use '--list-accounts' to see all available accounts."))
System.exit(1)
}
logger.debug("accounts.size: {}", accounts.size)
logger.debug("account: {}", Utils.anonymize(account))
return account
}
private fun cmd_stats() {
println()
println("Stats:")
val format = "%40s: %d%n"
System.out.format(format, "Number of accounts", Utils.getAccounts().size)
System.out.format(format, "Number of messages", Database.getInstance().getMessageCount())
System.out.format(format, "Number of chats", Database.getInstance().getChatCount())
System.out.format(format, "Number of users", Database.getInstance().getUserCount())
System.out.format(format, "Top message ID", Database.getInstance().getTopMessageID())
println()
println("Media Types:")
for ((key, value) in Database.getInstance().getMessageMediaTypesWithCount()) {
System.out.format(format, key, value)
}
println()
println("Api layers of messages:")
for ((key, value) in Database.getInstance().getMessageApiLayerWithCount()) {
System.out.format(format, key, value)
}
}
@Throws(RpcErrorException::class, IOException::class)
private fun cmd_login(phoneToUse: String?) {
val user = UserManager.getInstance()
val phone: String
if (phoneToUse == null) {
println("Please enter your phone number in international format.")
println("Example: +4917077651234")
phone = getLine()
} else {
phone = phoneToUse
}
user.sendCodeToPhoneNumber(phone)
println("Telegram sent you a code. Please enter it here.")
val code = getLine()
user.verifyCode(code)
if (user.isPasswordNeeded) {
println("We also need your account password. Please enter it now. It should not be printed, so it's okay if you see nothing while typing it.")
val pw = getPassword()
user.verifyPassword(pw)
}
storage.setPrefix("+" + user.user!!.getPhone())
System.out.println("Everything seems fine. Please run this tool again with '--account +" + Utils.anonymize(user.user!!.getPhone()) + " to use this account.")
}
private fun show_help() {
println("Valid options are:")
println(" -h, --help Shows this help.")
println(" -a, --account <x> Use account <x>.")
println(" -l, --login Login to an existing telegram account.")
println(" --debug Shows some debug information.")
println(" --trace Shows lots of debug information. Overrides --debug.")
println(" --trace-telegram Shows lots of debug messages from the library used to access Telegram.")
println(" -A, --list-accounts List all existing accounts ")
println(" --limit-messages <x> Downloads at most the most recent <x> messages.")
println(" --no-media Do not download media files.")
println(" -t, --target <x> Target directory for the files.")
println(" -e, --export <format> Export the database. Valid formats are:")
println(" html - Creates HTML files.")
println(" --license Displays the license of this program.")
println(" -d, --daemon Keep running and automatically save new messages.")
println(" --anonymize (Try to) Remove all sensitive information from output. Useful for requesting support.")
println(" --stats Print some usage statistics.")
println(" --with-channels Backup channels as well.")
println(" --with-supergroups Backup supergroups as well.")
}
private fun list_accounts() {
println("List of available accounts:")
val accounts = Utils.getAccounts()
if (accounts.size > 0) {
for (str in accounts) {
System.out.println(" " + Utils.anonymize(str))
}
println("Use '--account <x>' to use one of those accounts.")
} else {
println("NO ACCOUNTS FOUND")
println("Use '--login' to login to a telegram account.")
}
}
companion object {
private val logger = LoggerFactory.getLogger(CommandLineController::class.java)
public fun show_error(error: String) {
logger.error(error)
println("ERROR: " + error)
System.exit(1)
}
fun show_license() {
println("TODO: Print the GPL.")
}
}
}