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telegram_backup
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telegram_backup/src/main/java/de/fabianonline/telegram_backup/CommandLineController.java

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package de.fabianonline.telegram_backup;
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.List;
import java.util.Scanner;
import java.util.Vector;
public class CommandLineController {
private ApiStorage storage;
public TelegramApp app;
public UserManager user = null;
public CommandLineController(CommandLineOptions options) {
if (options.cmd_version) {
System.out.println("Telegram_Backup version " + Config.APP_APPVER + ", Copyright (C) 2016 Fabian Schlenz");
System.out.println("Telegram_Backup comes with ABSOLUTELY NO WARRANTY. This is free software, and you are");
System.out.println("welcome to redistribute it under certain conditions; run it with '--license' for details.");
System.exit(0);
} else if (options.cmd_help) {
this.show_help();
System.exit(0);
} else if (options.cmd_license) {
this.show_license();
System.exit(0);
}
if (options.target != null) {
Config.FILE_BASE = options.target;
}
System.out.println("Base directory for files: " + Config.FILE_BASE);
if (options.cmd_list_accounts) this.list_accounts();
app = new TelegramApp(Config.APP_ID, Config.APP_HASH, Config.APP_MODEL, Config.APP_SYSVER, Config.APP_APPVER, Config.APP_LANG);
if (options.cmd_debug) Kotlogram.setDebugLogEnabled(true);
String account = null;
Vector<String> accounts = Utils.getAccounts();
if (options.cmd_login) {
// do nothing
} else if (options.account!=null) {
boolean found = false;
for (String acc : accounts) if (acc.equals(options.account)) found=true;
if (!found) {
show_error("Couldn't find account '" + options.account + "'. Maybe you want to use '--login' first?");
}
account = options.account;
} else if (accounts.size()==0) {
System.out.println("No accounts found. Starting login process...");
options.cmd_login = true;
} else if (accounts.size()==1) {
account = accounts.firstElement();
System.out.println("Using only available account: " + 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.");
}
storage = new ApiStorage(account);
TelegramClient client = Kotlogram.getDefaultClient(app, storage);
try {
user = new UserManager(client);
if (options.export != null) {
if (options.export.toLowerCase().equals("html")) {
(new HTMLExporter()).export(user);
System.exit(0);
} else {
show_error("Unknown export format.");
}
}
if (options.cmd_login) {
System.out.println("Please enter your phone number in international format.");
System.out.println("Example: +4917077651234");
System.out.print("> ");
String phone = new Scanner(System.in).nextLine();
user.sendCodeToPhoneNumber(phone);
System.out.println("Telegram sent you a code. Please enter it here.");
System.out.print("> ");
String code = new Scanner(System.in).nextLine();
user.verifyCode(code);
if (user.isPasswordNeeded()) {
System.out.println("We also need your account password.");
System.out.print("> ");
String pw = new Scanner(System.in).nextLine();
user.verifyPassword(pw);
}
storage.setPrefix("+" + user.getUser().getPhone());
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, new CommandLineDownloadProgress());
d.downloadMessages(options.limit_messages);
d.downloadMedia();
} catch (RpcErrorException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
client.close();
}
System.out.println("----- EXIT -----");
}
private void show_help() {
System.out.println("Valid options are:");
System.out.println(" -h, --help Shows this help.");
System.out.println(" -a, --account <x> Use account <x>.");
System.out.println(" -l, --login Login to an existing telegram account.");
System.out.println(" --debug Show (lots of) debug information.");
System.out.println(" -A, --list-accounts List all existing accounts ");
System.out.println(" --limit-messages <x> Downloads at most the most recent <x> messages.");
System.out.println(" -t, --target <x> Target directory for the files.");
System.out.println(" -e, --export <format> Export the database. Valid formats are:");
System.out.println(" html - Creates HTML files.");
System.out.println(" --license Displays the license of this program.");
}
private void list_accounts() {
System.out.println("List of available accounts:");
List<String> accounts = Utils.getAccounts();
if (accounts.size()>0) {
for (String str : accounts) {
System.out.println(" " + str);
}
System.out.println("Use '--account <x>' to use one of those accounts.");
} else {
System.out.println("NO ACCOUNTS FOUND");
System.out.println("Use '--login' to login to a telegram account.");
}
System.exit(0);
}
public static void show_error(String error) {
System.out.println("ERROR: " + error);
System.exit(1);
}
public static void show_license() {
System.out.println(
"GNU GENERAL PUBLIC LICENSE\n" +
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"any liability that these contractual assumptions directly impose on\n" +
"those licensors and authors.\n" +
"\n" +
"All other non-permissive additional terms are considered \"further\n" +
"restrictions\" within the meaning of section 10. If the Program as you\n" +
"received it, or any part of it, contains a notice stating that it is\n" +
"governed by this License along with a term that is a further\n" +
"restriction, you may remove that term. If a license document contains\n" +
"a further restriction but permits relicensing or conveying under this\n" +
"License, you may add to a covered work material governed by the terms\n" +
"of that license document, provided that the further restriction does\n" +
"not survive such relicensing or conveying.\n" +
"\n" +
"If you add terms to a covered work in accord with this section, you\n" +
"must place, in the relevant source files, a statement of the\n" +
"additional terms that apply to those files, or a notice indicating\n" +
"where to find the applicable terms.\n" +
"\n" +
"Additional terms, permissive or non-permissive, may be stated in the\n" +
"form of a separately written license, or stated as exceptions;\n" +
"the above requirements apply either way.\n" +
"\n" +
"8. Termination.\n" +
"\n" +
"You may not propagate or modify a covered work except as expressly\n" +
"provided under this License. Any attempt otherwise to propagate or\n" +
"modify it is void, and will automatically terminate your rights under\n" +
"this License (including any patent licenses granted under the third\n" +
"paragraph of section 11).\n" +
"\n" +
"However, if you cease all violation of this License, then your\n" +
"license from a particular copyright holder is reinstated (a)\n" +
"provisionally, unless and until the copyright holder explicitly and\n" +
"finally terminates your license, and (b) permanently, if the copyright\n" +
"holder fails to notify you of the violation by some reasonable means\n" +
"prior to 60 days after the cessation.\n" +
"\n" +
"Moreover, your license from a particular copyright holder is\n" +
"reinstated permanently if the copyright holder notifies you of the\n" +
"violation by some reasonable means, this is the first time you have\n" +
"received notice of violation of this License (for any work) from that\n" +
"copyright holder, and you cure the violation prior to 30 days after\n" +
"your receipt of the notice.\n" +
"\n" +
"Termination of your rights under this section does not terminate the\n" +
"licenses of parties who have received copies or rights from you under\n" +
"this License. If your rights have been terminated and not permanently\n" +
"reinstated, you do not qualify to receive new licenses for the same\n" +
"material under section 10.\n" +
"\n" +
"9. Acceptance Not Required for Having Copies.\n" +
"\n" +
"You are not required to accept this License in order to receive or\n" +
"run a copy of the Program. Ancillary propagation of a covered work\n" +
"occurring solely as a consequence of using peer-to-peer transmission\n" +
"to receive a copy likewise does not require acceptance. However,\n" +
"nothing other than this License grants you permission to propagate or\n" +
"modify any covered work. These actions infringe copyright if you do\n" +
"not accept this License. Therefore, by modifying or propagating a\n" +
"covered work, you indicate your acceptance of this License to do so.\n" +
"\n" +
"10. Automatic Licensing of Downstream Recipients.\n" +
"\n" +
"Each time you convey a covered work, the recipient automatically\n" +
"receives a license from the original licensors, to run, modify and\n" +
"propagate that work, subject to this License. You are not responsible\n" +
"for enforcing compliance by third parties with this License.\n" +
"\n" +
"An \"entity transaction\" is a transaction transferring control of an\n" +
"organization, or substantially all assets of one, or subdividing an\n" +
"organization, or merging organizations. If propagation of a covered\n" +
"work results from an entity transaction, each party to that\n" +
"transaction who receives a copy of the work also receives whatever\n" +
"licenses to the work the party's predecessor in interest had or could\n" +
"give under the previous paragraph, plus a right to possession of the\n" +
"Corresponding Source of the work from the predecessor in interest, if\n" +
"the predecessor has it or can get it with reasonable efforts.\n" +
"\n" +
"You may not impose any further restrictions on the exercise of the\n" +
"rights granted or affirmed under this License. For example, you may\n" +
"not impose a license fee, royalty, or other charge for exercise of\n" +
"rights granted under this License, and you may not initiate litigation\n" +
"(including a cross-claim or counterclaim in a lawsuit) alleging that\n" +
"any patent claim is infringed by making, using, selling, offering for\n" +
"sale, or importing the Program or any portion of it.\n" +
"\n" +
"11. Patents.\n" +
"\n" +
"A \"contributor\" is a copyright holder who authorizes use under this\n" +
"License of the Program or a work on which the Program is based. The\n" +
"work thus licensed is called the contributor's \"contributor version\".\n" +
"\n" +
"A contributor's \"essential patent claims\" are all patent claims\n" +
"owned or controlled by the contributor, whether already acquired or\n" +
"hereafter acquired, that would be infringed by some manner, permitted\n" +
"by this License, of making, using, or selling its contributor version,\n" +
"but do not include claims that would be infringed only as a\n" +
"consequence of further modification of the contributor version. For\n" +
"purposes of this definition, \"control\" includes the right to grant\n" +
"patent sublicenses in a manner consistent with the requirements of\n" +
"this License.\n" +
"\n" +
"Each contributor grants you a non-exclusive, worldwide, royalty-free\n" +
"patent license under the contributor's essential patent claims, to\n" +
"make, use, sell, offer for sale, import and otherwise run, modify and\n" +
"propagate the contents of its contributor version.\n" +
"\n" +
"In the following three paragraphs, a \"patent license\" is any express\n" +
"agreement or commitment, however denominated, not to enforce a patent\n" +
"(such as an express permission to practice a patent or covenant not to\n" +
"sue for patent infringement). To \"grant\" such a patent license to a\n" +
"party means to make such an agreement or commitment not to enforce a\n" +
"patent against the party.\n" +
"\n" +
"If you convey a covered work, knowingly relying on a patent license,\n" +
"and the Corresponding Source of the work is not available for anyone\n" +
"to copy, free of charge and under the terms of this License, through a\n" +
"publicly available network server or other readily accessible means,\n" +
"then you must either (1) cause the Corresponding Source to be so\n" +
"available, or (2) arrange to deprive yourself of the benefit of the\n" +
"patent license for this particular work, or (3) arrange, in a manner\n" +
"consistent with the requirements of this License, to extend the patent\n" +
"license to downstream recipients. \"Knowingly relying\" means you have\n" +
"actual knowledge that, but for the patent license, your conveying the\n" +
"covered work in a country, or your recipient's use of the covered work\n" +
"in a country, would infringe one or more identifiable patents in that\n" +
"country that you have reason to believe are valid.\n" +
"\n" +
"If, pursuant to or in connection with a single transaction or\n" +
"arrangement, you convey, or propagate by procuring conveyance of, a\n" +
"covered work, and grant a patent license to some of the parties\n" +
"receiving the covered work authorizing them to use, propagate, modify\n" +
"or convey a specific copy of the covered work, then the patent license\n" +
"you grant is automatically extended to all recipients of the covered\n" +
"work and works based on it.\n" +
"\n" +
"A patent license is \"discriminatory\" if it does not include within\n" +
"the scope of its coverage, prohibits the exercise of, or is\n" +
"conditioned on the non-exercise of one or more of the rights that are\n" +
"specifically granted under this License. You may not convey a covered\n" +
"work if you are a party to an arrangement with a third party that is\n" +
"in the business of distributing software, under which you make payment\n" +
"to the third party based on the extent of your activity of conveying\n" +
"the work, and under which the third party grants, to any of the\n" +
"parties who would receive the covered work from you, a discriminatory\n" +
"patent license (a) in connection with copies of the covered work\n" +
"conveyed by you (or copies made from those copies), or (b) primarily\n" +
"for and in connection with specific products or compilations that\n" +
"contain the covered work, unless you entered into that arrangement,\n" +
"or that patent license was granted, prior to 28 March 2007.\n" +
"\n" +
"Nothing in this License shall be construed as excluding or limiting\n" +
"any implied license or other defenses to infringement that may\n" +
"otherwise be available to you under applicable patent law.\n" +
"\n" +
"12. No Surrender of Others' Freedom.\n" +
"\n" +
"If conditions are imposed on you (whether by court order, agreement or\n" +
"otherwise) that contradict the conditions of this License, they do not\n" +
"excuse you from the conditions of this License. If you cannot convey a\n" +
"covered work so as to satisfy simultaneously your obligations under this\n" +
"License and any other pertinent obligations, then as a consequence you may\n" +
"not convey it at all. For example, if you agree to terms that obligate you\n" +
"to collect a royalty for further conveying from those to whom you convey\n" +
"the Program, the only way you could satisfy both those terms and this\n" +
"License would be to refrain entirely from conveying the Program.\n" +
"\n" +
"13. Use with the GNU Affero General Public License.\n" +
"\n" +
"Notwithstanding any other provision of this License, you have\n" +
"permission to link or combine any covered work with a work licensed\n" +
"under version 3 of the GNU Affero General Public License into a single\n" +
"combined work, and to convey the resulting work. The terms of this\n" +
"License will continue to apply to the part which is the covered work,\n" +
"but the special requirements of the GNU Affero General Public License,\n" +
"section 13, concerning interaction through a network will apply to the\n" +
"combination as such.\n" +
"\n" +
"14. Revised Versions of this License.\n" +
"\n" +
"The Free Software Foundation may publish revised and/or new versions of\n" +
"the GNU General Public License from time to time. Such new versions will\n" +
"be similar in spirit to the present version, but may differ in detail to\n" +
"address new problems or concerns.\n" +
"\n" +
"Each version is given a distinguishing version number. If the\n" +
"Program specifies that a certain numbered version of the GNU General\n" +
"Public License \"or any later version\" applies to it, you have the\n" +
"option of following the terms and conditions either of that numbered\n" +
"version or of any later version published by the Free Software\n" +
"Foundation. If the Program does not specify a version number of the\n" +
"GNU General Public License, you may choose any version ever published\n" +
"by the Free Software Foundation.\n" +
"\n" +
"If the Program specifies that a proxy can decide which future\n" +
"versions of the GNU General Public License can be used, that proxy's\n" +
"public statement of acceptance of a version permanently authorizes you\n" +
"to choose that version for the Program.\n" +
"\n" +
"Later license versions may give you additional or different\n" +
"permissions. However, no additional obligations are imposed on any\n" +
"author or copyright holder as a result of your choosing to follow a\n" +
"later version.\n" +
"\n" +
"15. Disclaimer of Warranty.\n" +
"\n" +
"THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY\n" +
"APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT\n" +
"HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY\n" +
"OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,\n" +
"THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\n" +
"PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM\n" +
"IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF\n" +
"ALL NECESSARY SERVICING, REPAIR OR CORRECTION.\n" +
"\n" +
"16. Limitation of Liability.\n" +
"\n" +
"IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\n" +
"WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS\n" +
"THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\n" +
"GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE\n" +
"USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF\n" +
"DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\n" +
"PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),\n" +
"EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF\n" +
"SUCH DAMAGES.\n" +
"\n" +
"17. Interpretation of Sections 15 and 16.\n" +
"\n" +
"If the disclaimer of warranty and limitation of liability provided\n" +
"above cannot be given local legal effect according to their terms,\n" +
"reviewing courts shall apply local law that most closely approximates\n" +
"an absolute waiver of all civil liability in connection with the\n" +
"Program, unless a warranty or assumption of liability accompanies a\n" +
"copy of the Program in return for a fee.\n" +
"\n" +
" END OF TERMS AND CONDITIONS");
}
}
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