tstarling · December 2, 2022 02:47
diff --git a/search-masto.php b/search-masto.php
 <?php

 const MASTO_HOST = 'https://wikis.world/';

 require __DIR__ .'/../vendor/autoload.php';

 function fatalError( $message ) {
 	print nl2br( htmlspecialchars( $message ) );
 	exit;
 }

 function appendQuery( &$url, $params ) {
 	$first = true;
 	foreach ( $params as $name => $value ) {
 		if ( $first ) {
 			$first = false;
 			$url .= '?';
 		} else {
 			$url .= '&';
 		}
 		$url .= rawurlencode( $name ) . '=' . rawurlencode( $value );
 	}
 	return $url;
 }

 function getApiUrl( $path, $params ) {
 	$url = MASTO_HOST . "api/$path";
 	appendQuery( $url, $params );
 	return $url;
 }

 function doRequest( $url ) {
 	$client = new \GuzzleHttp\Client( [ 'http_errors' => true ] );
 	$response = $client->request( 'GET', $url );
 	$data = json_decode( $response->getBody()->getContents(), true, 512, JSON_THROW_ON_ERROR );
 	$error = $data['error'] ?? null;
 	if ( $error ) {
 		fatalError( "Error: $error" );
 	}
 	$links = $response->getHeaderLine( 'Link' );
 	$next = null;
 	foreach ( explode( ',', $links ) as $link ) {
 		if ( preg_match( '/^ *<([^>]*)>; *rel="next" *$/', $link, $m ) ) {
 			$next = $m[1];
 		}
 	}
 	return [ $data, $next ];
 }

 function main() {
 	print "<!DOCTYPE html>\n<html><body><ul>\n";

 	$required = array_fill_keys( [ 'user', 'q' ], true );
 	$missing = array_diff_key( $required, $_GET );
 	if ( $missing ) {
 		fatalError( "Missing parameters: " . implode( ', ', array_keys( $missing ) ) );
 	}

 	$user = $_GET['user'];
 	$search = $_GET['q'];

 	$acctId = doRequest( getApiUrl( 'v1/accounts/lookup', [ 'acct' => $user ] ) )[0]['id'];

 	$maxResults = $_GET['limit'] ?? 100;
 	$batchSize = 20;

 	$url = getApiUrl( "v1/accounts/$acctId/statuses", [ 'limit' => $batchSize ] );
 	$numResults = 0;

 	for ( $i = 0; $i < ceil( $maxResults / $batchSize ); $i++ ) {
 		[ $statuses, $next ] = doRequest( $url );
 		foreach ( $statuses as $status ) {
 			if ( preg_match( '{' . $search . '}', $status['content'] ) ) {
 				$encUrl = htmlspecialchars( "https://wikis.world/@$user/{$status['id']}" );
 				print "<li>{$status['content']}<a href=\"$encUrl\">...</a></li>\n";
 				$numResults++;
 			}
 		}
 		if ( $next === null ) {
 			break;
 		}
 		if ( !str_starts_with( $next, MASTO_HOST ) ) {
 			fatalError( "Cross-domain next link" );
 		}
 		$url = $next;
 	}

 	print "</ul>\n<p>$numResults results found</p>\n";
 }

 main();
	<?php

	const MASTO_HOST = 'https://wikis.world/';

	require __DIR__ .'/../vendor/autoload.php';

	function fatalError( $message ) {
	print nl2br( htmlspecialchars( $message ) );
	exit;
	}

	function appendQuery( &$url, $params ) {
	$first = true;
	foreach ( $params as $name => $value ) {
	if ( $first ) {
	$first = false;
	$url .= '?';
	} else {
	$url .= '&';
	}
	$url .= rawurlencode( $name ) . '=' . rawurlencode( $value );
	}
	return $url;
	}

	function getApiUrl( $path, $params ) {
	$url = MASTO_HOST . "api/$path";
	appendQuery( $url, $params );
	return $url;
	}

	function doRequest( $url ) {
	$client = new \GuzzleHttp\Client( [ 'http_errors' => true ] );
	$response = $client->request( 'GET', $url );
	$data = json_decode( $response->getBody()->getContents(), true, 512, JSON_THROW_ON_ERROR );
	$error = $data['error'] ?? null;
	if ( $error ) {
	fatalError( "Error: $error" );
	}
	$links = $response->getHeaderLine( 'Link' );
	$next = null;
	foreach ( explode( ',', $links ) as $link ) {
	if ( preg_match( '/^ <([^>])>; rel="next" $/', $link, $m ) ) {
	$next = $m[1];
	}
	}
	return [ $data, $next ];
	}

	function main() {
	print "<!DOCTYPE html>\n<html><body><ul>\n";

	$required = array_fill_keys( [ 'user', 'q' ], true );
	$missing = array_diff_key( $required, $_GET );
	if ( $missing ) {
	fatalError( "Missing parameters: " . implode( ', ', array_keys( $missing ) ) );
	}

	$user = $_GET['user'];
	$search = $_GET['q'];

	$acctId = doRequest( getApiUrl( 'v1/accounts/lookup', [ 'acct' => $user ] ) )[0]['id'];

	$maxResults = $_GET['limit'] ?? 100;
	$batchSize = 20;

	$url = getApiUrl( "v1/accounts/$acctId/statuses", [ 'limit' => $batchSize ] );
	$numResults = 0;

	for ( $i = 0; $i < ceil( $maxResults / $batchSize ); $i++ ) {
	[ $statuses, $next ] = doRequest( $url );
	foreach ( $statuses as $status ) {
	if ( preg_match( '{' . $search . '}', $status['content'] ) ) {
	$encUrl = htmlspecialchars( "https://wikis.world/@$user/{$status['id']}" );
	print "<li>{$status['content']}<a href=\"$encUrl\">...</a></li>\n";
	$numResults++;
	}
	}
	if ( $next === null ) {
	break;
	}
	if ( !str_starts_with( $next, MASTO_HOST ) ) {
	fatalError( "Cross-domain next link" );
	}
	$url = $next;
	}

	print "</ul>\n<p>$numResults results found</p>\n";
	}

	main();