From 75d0a579dc46ee835c72712d650c14b44367c7a6 Mon Sep 17 00:00:00 2001
From: Bigsk <1332540+bigskcode@user.noreply.gitee.com>
Date: Mon, 10 Aug 2020 17:28:12 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E4=BA=86=E8=BF=94=E5=9B=9E?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E5=BD=A2=E5=BC=8F=EF=BC=8C=E6=96=B0=E5=A2=9E?=
 =?UTF-8?q?Fabric=E6=BA=90?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 index.php | 105 ++++++++++++++++++++++++++++++++++--------------------
 1 file changed, 66 insertions(+), 39 deletions(-)

diff --git a/index.php b/index.php
index dc4c962..078217f 100644
--- a/index.php
+++ b/index.php
@@ -1,22 +1,9 @@
 <?php 
 ini_set('user_agent', 'GeMCAPI/4.1.0 (GeMC API Sync 1.1.0;Release)');
 $active=array('mojang/launchermeta/mc/game/version_manifest.json','forge/last');
-$type=array('.com');
-//[0]:mojang
+$type=array('.com','.net');
+//[0]:mojang,[1]:fabricmc
 function url_exists($url){
-    $ch = curl_init(); 
-    curl_setopt ($ch, CURLOPT_URL, $url); 
-    curl_setopt($ch, CURLOPT_NOBODY, 1);
-    curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, 3); 
-    curl_setopt($ch, CURLOPT_TIMEOUT, 3);
-    curl_exec($ch);
-    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);  
-    if($http_code == 200){
-        return true;
-    }
-    return false;
-}
-function url_exists_2($url){
 	$opts = array(
 		'http'=>array(
 		'timeout'=>3,
@@ -46,9 +33,15 @@ function get_online_url($file,$id){
 	$str='http://'.get_sub_domain($file).'.'.get_main_domain($file).$type[$id].'/'.get_file_path($file);
 	return $str;
 }
-function check_file_update($file,$dir,$url){
+function get_online_domain($file,$id){
+	global $type;
+	$str='http://'.get_sub_domain($file).'.'.get_main_domain($file).$type[$id].'/';
+	return $str;
+}
+function check_file_update($file,$dir,$url,$time){
+	header('Content-Disposition: attachment; filename="'.basename($file).'"');
 	$time=time()-@filemtime($file);
-	if($time<86400){//检查文件是否超出过期期限（1天，86400秒）
+	if($time<$time){//检查文件是否超出过期期限（1天，86400秒）
 		echo file_get_contents($file);
 	}else{
 		if(url_exists($url.'/'.str_replace($dir,'',$file))){//防止源无法访问而损坏文件
@@ -56,7 +49,7 @@ function check_file_update($file,$dir,$url){
 				echo file_get_contents($file);
 			}else{
 				echo file_get_contents($url.'/'.str_replace($dir,'',$file));
-				$jsonwrite = fopen($file, "w") or die('{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":502,"server_time":"'.date("Y-m-d h:i:s").'"}');
+				$jsonwrite = fopen($file, "w") or die('{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":502,"server_time":"'.time().'"}');
 				fwrite($jsonwrite,file_get_contents($url.'/'.str_replace($dir,'',$file)));
 				fclose($jsonwrite);
 			}
@@ -65,17 +58,39 @@ function check_file_update($file,$dir,$url){
 		}
 	}
 }
+function check_file_update_json($file,$dir,$url,$time){
+	header('Content-Disposition: attachment; filename="'.basename($file).'"');
+	$time=time()-@filemtime($file.'/index.json');
+	if($time<$time){//检查文件是否超出过期期限（1天，86400秒）
+		echo file_get_contents($file.'/index.json');
+	}else{
+		if(url_exists($url.'/'.str_replace($dir,'',$file))){//防止源无法访问而损坏文件
+			if(file_get_contents($url.'/'.str_replace($dir,'',$file))==@file_get_contents($file.'/index.json')){
+				echo file_get_contents($file);
+			}else{
+				echo file_get_contents($url.'/'.str_replace($dir,'',$file));
+				$jsonwrite = fopen($file.'/index.json', "w") or die('{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":502,"server_time":"'.time().'"}');
+				fwrite($jsonwrite,file_get_contents($url.'/'.str_replace($dir,'',$file)));
+				fclose($jsonwrite);
+			}
+		}else{
+			echo file_get_contents($file.'/index.json');
+		}
+	}
+}
 function check_file_update_adv($file,$url,$check_url){
+	header('Content-Disposition: attachment; filename="'.basename($file).'"');
 	$time=time()-@filemtime($file);
 	if($time<86400){//检查文件是否超出过期期限（1天，86400秒）
 		echo file_get_contents($file);
 	}else{
-		if(url_exists_2($check_url)){//防止源无法访问而损坏文件
+		if(url_exists($check_url)){//防止源无法访问而损坏文件
 			if(file_get_contents($url)==@file_get_contents($file)){
 				echo file_get_contents($file);
 			}else{
 				echo @file_get_contents($url);
-				$jsonwrite = fopen($file, "w") or die('{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":502,"server_time":"'.date("Y-m-d h:i:s").'"}');
+				
+				$jsonwrite = fopen($file, "w") or die('{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":502,"server_time":"'.time().'"}');
 				fwrite($jsonwrite,file_get_contents($url));
 				fclose($jsonwrite);
 			}
@@ -88,42 +103,49 @@ function check_file_update_adv($file,$url,$check_url){
 function download_file($url,$file,$other){//下载文件
     system('python download.py --url "'.$url.'" --file "'.$file.'" --other "'.$other.'"');
 }
+if(get_main_domain($_GET['path'])=='mojang'){//分配顶级域名尾
+	$id=0;
+}elseif(get_main_domain($_GET['path'])=='fabricmc'){
+	$id=1;
+}
 if($_GET['error']!=""){
-	echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":'.$_GET['error'].',"server_time":"'.date("Y-m-d h:i:s").'"}';
+	echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":'.$_GET['error'].',"server_time":"'.time().'"}';
 }elseif($_GET['path']==""){
-	echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":200,"server_time":"'.date("Y-m-d h:i:s").'"}';
+	echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":200,"server_time":"'.time().'"}';
 }else{
 	if(is_file($_GET['path'])){
 		//文件存在
 		if(in_array($_GET['path'],$active)){//判断是否为需要保持最新的文件
 			if(strstr($_GET['path'],'mojang/')!=False){//目录分组
 				if(strstr($_GET['path'],'mojang/launchermeta/')!=False){
-					$dir='mojang/launchermeta/';
-					check_file_update('mojang/launchermeta/mc/game/version_manifest.json',$dir,'http://launchermeta.mojang.com');
+					check_file_update('mojang/launchermeta/mc/game/version_manifest.json',get_main_domain($_GET['path']).'/'.get_sub_domain($_GET['path']).'/','http://launchermeta.mojang.com',86400);
 				}
 			}elseif(strstr($_GET['path'],'forge/')!=False){//目录分组
 				if(strstr($_GET['path'],'forge/last')!=False){
 					check_file_update_adv('forge/last','https://download.mcbbs.net/forge/last','https://download.mcbbs.net/maven/net/minecraftforge/forge/1.7.10-10.13.0.1151/forge-1.7.10-10.13.0.1151-installer.jar');
 				}
 			}
-		}else{//无需更新的文件，直接重定向
-			if(strstr($_GET['path'],'forge/minecraft')!=False){//特殊返回目录
-				echo @file_get_contents($_GET['path']);
+		}else{//无需频繁更新的文件
+			if(@file_get_contents(get_online_url($_GET['path'],$id)=="")){
+				check_file_update($_GET['path'],get_main_domain($_GET['path']).'/'.get_sub_domain($_GET['path']).'/',get_online_domain($_GET['path'],$id),2592000);
 			}else{
-				header('Location: http://1.gemcapi.ghink.net:10000/'.$_GET['path']);
+				check_file_update_json($_GET['path'],get_main_domain($_GET['path']).'/'.get_sub_domain($_GET['path']).'/',get_online_domain($_GET['path'],$id),2592000);
 			}
 		}
 	}elseif(is_dir($_GET['path'])){
 		//目录存在
 		if(strstr($_GET['path'],'forge/minecraft')!=False){//特殊目录返回
 			check_file_update_adv('forge/minecraft/index.json','https://download.mcbbs.net/forge/minecraft','https://download.mcbbs.net/maven/net/minecraftforge/forge/1.7.10-10.13.0.1151/forge-1.7.10-10.13.0.1151-installer.jar');
+		}elseif(is_file($_GET['path'].'/index.json')){
+			check_file_update($_GET['path'],get_main_domain($_GET['path']).'/'.get_sub_domain($_GET['path']).'/',get_online_domain($_GET['path'],$id),86400);
 		}else{
-			header('Location: http://1.gemcapi.ghink.net:10000/'.$_GET['path']);
+			header('Content-Disposition: attachment; filename="'.basename($_GET['path']).'"');
+			echo file_get_contents($_GET['path']);
 		}
 	}else{
 		//目录或文件不存在
-		if(strstr($_GET['path'],'forge/')!=False){//特殊Forge，采用二级源
-			if(url_exists_2('https://download.mcbbs.net/maven/net/minecraftforge/forge/1.7.10-10.13.0.1151/forge-1.7.10-10.13.0.1151-installer.jar')){
+		if(strstr($_GET['path'],'forge/')!=False){//特殊Forge，采用二级源 BMCLAPI
+			if(url_exists('https://download.mcbbs.net/maven/net/minecraftforge/forge/1.7.10-10.13.0.1151/forge-1.7.10-10.13.0.1151-installer.jar')){
 				if(strstr($_GET['path'],'forge/minecraft')!=False){//forge/minecraft目录特殊同步
 					if($_GET['path']=='forge/minecraft'){
 						check_file_update_adv('forge/minecraft/index.json','https://download.mcbbs.net/forge/minecraft','https://download.mcbbs.net/maven/net/minecraftforge/forge/1.7.10-10.13.0.1151/forge-1.7.10-10.13.0.1151-installer.jar');
@@ -132,21 +154,26 @@ if($_GET['error']!=""){
 					}
 				}else{
 					download_file('https://download.mcbbs.net/'.$_GET['path'],$_GET['path'],'');
-					header('Location: http://1.gemcapi.ghink.net:10000/'.$_GET['path']);
+					header('Content-Disposition: attachment; filename="'.basename($_GET['path']).'"');
+					echo file_get_contents($_GET['path']);
 				}
 			}else{
-				echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":404,"server_time":"'.date("Y-m-d h:i:s").'"}';
+				echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":404,"server_time":"'.time().'"}';
 				header('HTTP/1.1 404 Not Found');
 			}
 		}else{
-			if(get_main_domain($_GET['path'])=='mojang'){//分配顶级域名尾
-				$id=0;
-			}
 			if(url_exists(get_online_url($_GET['path'],$id))){
-				download_file(get_online_url($_GET['path'],$id),$_GET['path'],'');
-				header('Location: http://1.gemcapi.ghink.net:10000/'.$_GET['path']);
+				if(@file_get_contents(get_online_url($_GET['path'],$id)=="")){
+					download_file(get_online_url($_GET['path'],$id),$_GET['path'],'');
+					header('Content-Disposition: attachment; filename="'.basename($_GET['path']).'"');
+					echo file_get_contents($_GET['path']);
+				}else{
+					download_file(get_online_url($_GET['path'],$id),$_GET['path'].'/index.json','');
+					header('Content-Disposition: attachment; filename="'.basename($_GET['path']).'"');
+					echo file_get_contents($_GET['path'].'/index.json');
+				}
 			}else{
-				echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":404,"server_time":"'.date("Y-m-d h:i:s").'"}';
+				echo '{"wikis":"https://gitee.com/ghink/gemcapi/wikis","code":404,"server_time":"'.time().'"}';
 				header('HTTP/1.1 404 Not Found');
 			}
 		}