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131 lines
4.0 KiB
PHP
131 lines
4.0 KiB
PHP
<?php
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// requires php-curl
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require_once 'getenv.php';
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require_once 'utils/utils.php';
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require_once 'servers/known-servers.php';
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require_once 'utils/servers-rooms.php';
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// Not required
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include_once "$LANGUAGES_ROOT/language_flags.php";
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/**
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* Fetch online Communities and write the resulting data to disk.
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* Communities are fetched as follows:
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*
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* 1. Get join links from our sources
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* 2. Parse join links into servers
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* 3. Add hardcoded servers
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* 4. De-dupe servers based on base URL
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* 5. Fetch server rooms and pubkey
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* 6. De-dupe servers based on pubkey
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*/
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function main() {
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global $CACHE_ROOT, $ROOMS_FILE, $KNOWN_SERVERS, $KNOWN_PUBKEYS;
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// Create default directories with conservative permissions.
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file_exists($CACHE_ROOT) or mkdir($CACHE_ROOT, 0700);
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// Query our sources and store the resulting HTML.
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// TODO: Tag information is currently discarded. Feature needs triage.
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$html_pages = query_known_sources();
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// Find join links in each HTML document and merge the resulting arrays.
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$join_links = array_merge([], ...array_map('parse_join_links', $html_pages));
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/**
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* @var CommunityServer[] $servers
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*/
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$servers = CommunityServer::from_join_urls($join_links);
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// Add known hosts.
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$servers = [...CommunityServer::from_known_hosts($KNOWN_SERVERS, $KNOWN_PUBKEYS), ...$servers];
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// Merge servers with the same URL.
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$servers = CommunityServer::dedupe_by_url($servers);
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// Fetch server data and filter unreachable servers.
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$servers = CommunityServer::poll_reachable($servers);
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// Merge servers with the same public key.
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$servers = CommunityServer::dedupe_by_pubkey($servers);
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// Count servers and rooms.
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$servers_total = count($servers);
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$rooms_total = count_rooms($servers);
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log_info("Done fetching communities.");
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log_info(
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"Found $rooms_total unique Session Communities " .
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"on $servers_total servers." . PHP_EOL
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);
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// Output fetching results to file.
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file_put_contents($ROOMS_FILE, json_encode($servers));
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}
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/**
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* Fetches known sources of Session Community join links.
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* @return string[] HTML pages containing join URLs.
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*/
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function query_known_sources(): array {
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global $SOURCES;
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log_info("Requesting Awesome Session Group list...");
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$pages_asgl[] = file_get_contents($SOURCES['ASGL']);
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log_debug($http_response_header[0]); // Supposed to be "HTTP/1.1 200 OK"
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log_info("Requesting Lokilocker Mods Open Group list...");
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$pages_loki[] = file_get_contents($SOURCES['LOKI']);
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log_debug($http_response_header[0]); // Supposed to be "HTTP/1.1 200 OK"
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log_info("Requesting session.directory list...");
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$pages_sdir = [];
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$json_sdir = json_decode(file_get_contents($SOURCES['SDIR-JSON']));
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log_debug($http_response_header[0]); // Supposed to be "HTTP/1.1 200 OK"
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foreach ($json_sdir as $room) $pages_sdir[] = $room->url;
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log_info("Requesting FreeArkham.cc list...");
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$pages_fark[] = file_get_contents($SOURCES['FARK']);
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log_debug($http_response_header[0]); // Supposed to be "HTTP/1.1 200 OK"
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log_info('Done fetching sources.');
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return [...$pages_asgl, ...$pages_loki, ...$pages_sdir, ...$pages_fark];
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}
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/**
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* Debug function to see which communities use pinned messages already
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* @deprecated
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*/
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function print_pinned_messages($room_assignments_arr) {
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// for each server a.k.a. public key do
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foreach($room_assignments_arr as $pubkey => $room_assignment) {
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// for every room do
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foreach($room_assignment[1] as $room_array) {
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// info:
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// $room_array = array(
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// "token" => bla,
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// "name" => Blabla,
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// "active_users" => -1,
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// "description" => Blabla bla bla
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//);
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$server_url = $room_assignment[0];
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$room_json_url = $server_url . "/room/" . $room_array["token"];
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echo($room_json_url . PHP_EOL);
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$contents = file_get_contents($room_json_url);
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if($contents) {
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// print_r($contents);
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$json_obj = json_decode($contents);
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$pinned_messages = $json_obj->pinned_messages;
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echo("Pinned messages:" . PHP_EOL);
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print_r($pinned_messages);
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}
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}
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}
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}
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// Fetch servers
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main();
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?>
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