nostr_console/bin/nostr_console.dart

296 lines
12 KiB
Dart

import 'dart:io';
import 'package:bip340/bip340.dart';
import 'package:nostr_console/event_ds.dart';
import 'package:nostr_console/tree_ds.dart';
import 'package:nostr_console/relays.dart';
import 'package:nostr_console/console_ui.dart';
import 'package:nostr_console/settings.dart';
import 'package:args/args.dart';
import 'package:logging/logging.dart';
// program arguments
const String pubkeyArg = "pubkey";
const String prikeyArg = "prikey";
const String lastdaysArg = "days";
const String relayArg = "relay";
const String requestArg = "request";
const String helpArg = "help";
const String alignArg = "align"; // can be "left"
const String widthArg = "width";
const String maxDepthArg = "maxdepth";
const String eventFileArg = "file";
const String disableFileArg = "disable-file";
const String difficultyArg = "difficulty";
const String translateArg = "translate";
const String colorArg = "color";
void printUsage() {
print(gUsage);
}
Future<void> main(List<String> arguments) async {
printIntro("Nostr");
Logger.root.level = Level.ALL; // defaults to Level.INFO
Logger.root.onRecord.listen((record) {
print('${record.level.name}: ${record.time}: ${record.message}');
});
final parser = ArgParser()..addOption(requestArg, abbr: 'q') ..addOption(pubkeyArg, abbr:"p")..addOption(prikeyArg, abbr:"k")
..addOption(lastdaysArg, abbr:"d") ..addOption(relayArg, abbr:"r")
..addFlag(helpArg, abbr:"h", defaultsTo: false)..addOption(alignArg, abbr:"a")
..addOption(widthArg, abbr:"w")..addOption(maxDepthArg, abbr:"m")
..addOption(eventFileArg, abbr:"f", defaultsTo: gDefaultEventsFilename)..addFlag(disableFileArg, abbr:"s", defaultsTo: false)
..addFlag(translateArg, abbr: "t", defaultsTo: false)
..addOption(colorArg, abbr:"c")
..addOption(difficultyArg, abbr:"y");
try {
ArgResults argResults = parser.parse(arguments);
if( argResults[helpArg]) {
printUsage();
return;
}
if( argResults[translateArg]) {
gTranslate = true;
print("Going to translate comments in last $gNumTranslateDays days using Google translate service");
}
if( argResults[pubkeyArg] != null) {
userPublicKey = argResults[pubkeyArg];
if( userPublicKey.length != 64){
print("Length of provided public key should be 64. Exiting.");
return;
}
userPrivateKey = "";
print("Going to use public key $userPublicKey. You will not be able to send posts/replies.");
}
if( argResults[prikeyArg] != null) {
userPrivateKey = argResults[prikeyArg];
if( userPrivateKey.length != 64){
print("Length of provided private key should be 64. Exiting.");
return;
}
userPublicKey = getPublicKey(userPrivateKey);
print("Going to use the provided private key");
}
// write informative message in case user is using the default private key
if( userPrivateKey == gDefaultPrivateKey) {
print("${gWarningColor}You seem to be using the default private key, which comes bundled with this $exename and is used by all users of this program$gColorEndMarker");
print("You can also create your own private key and use it with ${gWarningColor}--prikey$gColorEndMarker program argument. ");
print("You can create your own private key from ${gWarningColor}astral.ninja or branle.netlify.app$gColorEndMarker, or other such tools.\n");
}
if( argResults[relayArg] != null) {
defaultServerUrl = argResults[relayArg];
print("Going to use relay: $defaultServerUrl");
}
if( argResults[lastdaysArg] != null) {
gNumLastDays = int.parse(argResults[lastdaysArg]);
print("Going to show posts for last $gNumLastDays days");
}
if( argResults[widthArg] != null) {
int tempTextWidth = int.parse(argResults[widthArg]);
if( tempTextWidth < gMinValidTextWidth ) {
print("Text-width cannot be less than $gMinValidTextWidth. Going to use the defalt value of $gTextWidth");
} else {
gTextWidth = tempTextWidth;
print("Going to use $gTextWidth columns for text on screen.");
}
}
try {
// can be computed only after textWidth has been found
if( gTextWidth > stdout.terminalColumns) {
gTextWidth = stdout.terminalColumns - 5;
}
gNumLeftMarginSpaces = (stdout.terminalColumns - gTextWidth )~/2;
} on StdoutException catch (e) {
print("Cannot find terminal size. Left aligning by default.");
if( gDebug > 0) log.info("${e.message}");
gNumLeftMarginSpaces = 0;
}
// undo above if left option is given
if( argResults[alignArg] != null ) {
if( argResults[alignArg] == "left" ) {
print("Going to align to left.");
gAlignment = "left";
gNumLeftMarginSpaces = 0;
}
}
if( argResults[maxDepthArg] != null) {
int tempMaxDepth = int.parse(argResults[maxDepthArg]);
if( tempMaxDepth < gMinimumDepthAllowed || tempMaxDepth > gMaximumDepthAllowed) {
print("Maximum depth cannot be less than $gMinimumDepthAllowed and cannot be more than $gMaximumDepthAllowed. Going to use the default maximum depth, which is $gDefaultMaxDepth.");
} else {
maxDepthAllowed = tempMaxDepth;
print("Going to take threads to maximum depth of $gNumLastDays days");
}
}
if( argResults[colorArg] != null) {
String colorGiven = argResults[colorArg].toString().toLowerCase();
if( gColorMap.containsKey(colorGiven)) {
String color = gColorMap[colorGiven]??"";
if( color == "") {
print("Invalid color.");
} else
{
gCommentColor = color;
stdout.write("Going to use color $colorGiven for text");
if( colorGiven == "cyan") {
gNotificationColor = greenColor;
stdout.write(". Green as notification color");
}
stdout.write(".\n");
}
} else {
print("Invalid color.");
}
}
if( argResults[difficultyArg] != null) {
gDifficulty = int.parse(argResults[difficultyArg]);
if( gDifficulty > gMaxDifficultyAllowed) {
print("Difficulty cannot be larger than $gMaxDifficultyAllowed. Going to use difficulty of $gMaxDifficultyAllowed");
gDifficulty = gMaxDifficultyAllowed;
}
else {
if( gDifficulty < 0) {
print("Difficulty cannot be less than 0. Going to use difficulty of 0 bits.");
} else {
print("Going to use difficulty of value: $gDifficulty bits");
}
}
}
if( argResults[disableFileArg]) {
gEventsFilename = "";
print("Not going to use any file to read/write events.");
}
String whetherDefault = "the given ";
if( argResults[eventFileArg] != null && !argResults[disableFileArg]) {
if( gDefaultEventsFilename == argResults[eventFileArg]) {
whetherDefault = " default ";
}
gEventsFilename = argResults[eventFileArg];
if( gEventsFilename != "") {
print("Going to use ${whetherDefault}file to read from and store events: $gEventsFilename");
}
}
if( gEventsFilename != "") {
print("\n");
stdout.write('Reading events from ${whetherDefault}file.......');
// read file events and give the events to relays from where they're picked up later
Set<Event> eventsFromFile = await readEventsFromFile(gEventsFilename);
setRelaysIntialEvents(eventsFromFile);
// count events
eventsFromFile.forEach((element) { element.eventData.kind == 1? numFileEvents++: numFileEvents;});
print("read $numFileEvents posts from file $gEventsFilename");
}
// process request string. If this is blank then the application only reads from file and does not connect to internet.
if( argResults[requestArg] != null) {
int numWaitSeconds = gDefaultNumWaitSeconds;
if( argResults[requestArg] != "") {
stdout.write('Sending request ${argResults[requestArg]} and waiting for events...');
sendRequest(gListRelayUrls, argResults[requestArg]);
} else {
numWaitSeconds = 0;
gEventsFilename = ""; // so it wont write it back to keep it faster ( and since without internet no new event is there to be written )
}
Future.delayed(Duration(milliseconds: numWaitSeconds * 2), () {
Set<Event> receivedEvents = getRecievedEvents();
stdout.write("received ${receivedEvents.length - numFileEvents} events\n");
// create tree: will process reactions, remove bots, and then create main tree
Tree node = getTree(getRecievedEvents());
//clearEvents(); // cause we have consumed them above
if( gDebug > 0) stdout.write("Total events of kind 1 in created tree: ${node.count()} events\n");
clearEvents();
mainMenuUi(node, []);
});
return;
}
} on FormatException catch (e) {
print(e.message);
return;
} on Exception catch (e) {
print(e);
return;
}
getUserEvents(gListRelayUrls, userPublicKey, gLimitPerSubscription, getSecondsDaysAgo(gDaysToGetEventsFor));
// the default in case no arguments are given is:
// get a user's events, then from its type 3 event, gets events of its follows,
// then get the events of user-id's mentioned in p-tags of received events
// then display them all
stdout.write('Waiting for user posts to come in.....');
Future.delayed(const Duration(milliseconds: gDefaultNumWaitSeconds), () {
// count user events
getRecievedEvents().forEach((element) { element.eventData.kind == 1? numUserEvents++: numUserEvents;});
numUserEvents -= numFileEvents;
stdout.write("...received $numUserEvents posts made by the user\n");
if( gDebug > 0) log.info("Received user events.");
// get the latest kind 3 event for the user, which lists his 'follows' list
Event? contactEvent = getContactEvent(getRecievedEvents(), userPublicKey);
// if contact list was found, get user's feed, and keep the contact list for later use
List<String> contactList = [];
if (contactEvent != null ) {
if(gDebug > 0) print("In main: found contact list: \n ${contactEvent.originalJson}");
contactList = getContactFeed(gListRelayUrls, contactEvent.eventData.contactList, gLimitPerSubscription, getSecondsDaysAgo(gDaysToGetEventsFor));
if( !gContactLists.containsKey(userPublicKey)) {
gContactLists[userPublicKey] = contactEvent.eventData.contactList;
}
} else {
if( gDebug > 0) print( "could not find contact list");
}
stdout.write('Waiting for feed to come in..............');
Future.delayed(const Duration(milliseconds: gDefaultNumWaitSeconds * 1), () {
// count feed events
getRecievedEvents().forEach((element) { element.eventData.kind == 1? numFeedEvents++: numFeedEvents;});
numFeedEvents = numFeedEvents - numUserEvents - numFileEvents;
stdout.write("received $numFeedEvents posts from the follows\n");
if( gDebug > 0) log.info("Received feed.");
// get mentioned ptags, and then get the events for those users
List<String> pTags = getpTags(getRecievedEvents(), gMaxPtagsToGet);
getMultiUserEvents(gListRelayUrls, pTags, gLimitPerSubscription, getSecondsDaysAgo(gDaysToGetEventsFor));
stdout.write('Waiting for rest of posts to come in.....');
Future.delayed(const Duration(milliseconds: gDefaultNumWaitSeconds * 2), () {
// count other events
getRecievedEvents().forEach((element) { element.eventData.kind == 1? numOtherEvents++: numOtherEvents;});
numOtherEvents = numOtherEvents - numFeedEvents - numUserEvents - numFileEvents;
stdout.write("received $numOtherEvents other posts\n");
if( gDebug > 0) log.info("Received ptag events events.");
// get all events in Tree form
Tree node = getTree(getRecievedEvents());
// call the mein UI function
clearEvents();
mainMenuUi(node, contactList);
});
});
});
}