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82 lines
2.2 KiB
PHP
82 lines
2.2 KiB
PHP
<?php
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/**
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* \file
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* Fetch Communities from the web.
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*/
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// requires php-curl
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require_once 'getenv.php';
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require_once 'utils/getopt.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 'servers/servers-rooms.php';
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require_once 'servers/sources.php';
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require_once 'custom/languages/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 $PROJECT_ROOT, $CACHE_ROOT, $ROOMS_FILE, $TAGS_FILE,
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$KNOWN_SERVERS, $KNOWN_PUBKEYS, $DO_DRY_RUN, $DO_ARCHIVE_FILES;
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// Create default directories..
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file_exists($CACHE_ROOT) or mkdir($CACHE_ROOT, 0700);
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// Query our sources and store the resulting HTML.
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$sources = new CommunitySources();
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/**
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* @var CommunityServer[] $servers
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*/
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$servers = CommunityServer::from_join_urls($sources->get_join_urls());
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// Add known hosts.
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$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 and rooms.
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$servers = CommunityServer::dedupe_by_data($servers);
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// Fill additional information from sources.
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CommunityServer::source_additional_info($servers, $sources);
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// Count servers and rooms.
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$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 $servers_total servers." . PHP_EOL
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);
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// Output fetching results to file.
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if (!$DO_DRY_RUN) {
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file_put_contents($ROOMS_FILE, json_encode($servers));
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file_put_contents($TAGS_FILE, CommunityTag::serializeClassData());
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if ($DO_ARCHIVE_FILES) {
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passthru("$PROJECT_ROOT/etc/archives/logrotate.sh", $result_code);
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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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