1 files changed, 0 insertions, 106 deletions
diff --git a/lib/nextpage.php b/lib/nextpage.php
deleted file mode 100644
index 7516667..0000000
--- a/lib/nextpage.php
+++ /dev/null
@@ -1,106 +0,0 @@
-<?php
-
-class nextpage{
-	
-	public function __construct($scraper){
-		
-		$this->scraper = $scraper;
-	}
-	
-	public function store($payload, $page){
-		
-		$page = $page[0];
-		$password = random_bytes(256); // 2048 bit
-		$salt = random_bytes(16);
-		$key = hash_pbkdf2("sha512", $password, $salt, 20000, 32, true);
-		$iv =
-			random_bytes(
-				openssl_cipher_iv_length("aes-256-gcm")
-			);
-		
-		$tag = "";
-		$out = openssl_encrypt($payload, "aes-256-gcm", $key, OPENSSL_RAW_DATA, $iv, $tag, "", 16);
-		
-		$key = apcu_inc("key", 1);
-
-		apcu_store(
-			$page . "." .
-			$this->scraper .
-			(string)$key,
-			gzdeflate($salt.$iv.$out.$tag),
-			900 // cache information for 15 minutes blaze it
-		);
-
-		return 
-			$this->scraper . $key . "." .
-			rtrim(strtr(base64_encode($password), '+/', '-_'), '=');
-	}
-	
-	public function get($npt, $page){
-		
-		$page = $page[0];
-		$explode = explode(".", $npt, 2);
-		
-		if(count($explode) !== 2){
-			
-			throw new Exception("Malformed nextPageToken!");
-		}
-		
-		$apcu = $page . "." . $explode[0];
-		$key = $explode[1];
-		
-		$payload = apcu_fetch($apcu);
-		
-		if($payload === false){
-			
-			throw new Exception("The nextPageToken is invalid or has expired!");
-		}
-		
-		$key =
-			base64_decode(
-				str_pad(
-					strtr($key, '-_', '+/'),
-					strlen($key) % 4,
-					'=',
-					STR_PAD_RIGHT
-				)
-			);
-		
-		$payload = gzinflate($payload);
-		
-		$key =
-			hash_pbkdf2(
-				"sha512",
-				$key,
-				substr($payload, 0, 16), // salt
-				20000,
-				32,
-				true
-			);
-		$ivlen = openssl_cipher_iv_length("aes-256-gcm");
-		
-		$payload =
-			openssl_decrypt(
-				substr(
-					$payload,
-					16 + $ivlen,
-					-16
-				),
-				"aes-256-gcm",
-				$key,
-				OPENSSL_RAW_DATA,
-				substr($payload, 16, $ivlen),
-				substr($payload, -16)
-			);
-		
-		if($payload === false){
-			
-			throw new Exception("The nextPageToken is invalid or has expired!");
-		}
-		
-		// remove the key after using
-		apcu_delete($apcu);
-		
-		return $payload;
-	}
-}