plugin updates

wp/wp-content/plugins/leadin/public/auth/class-oauthcrypto.php

@@ -1,90 +0,0 @@
-<?php
-
-namespace Leadin\auth;
-
-/**
- * Encrypting/decrypting OAuth credentials
- * Adapted from https://felix-arntz.me/blog/storing-confidential-data-in-wordpress/
- */
-class OAuthCrypto {
-
-	/**
-	 * Return the key to use in encrypting/decrypting OAuth credentials
-	 */
-	private static function get_key() {
-		if ( defined( 'LOGGED_IN_KEY' ) ) {
-			return LOGGED_IN_KEY;
-		}
-
-		return '';
-	}
-
-	/**
-	 * Return the salt to use in encrypting/decrypting OAuth credentials
-	 */
-	private static function get_salt() {
-		if ( defined( 'LOGGED_IN_SALT' ) ) {
-			return LOGGED_IN_SALT;
-		}
-
-		return '';
-	}
-
-	/**
-	 * Given a value, encrypt it if the openssl extension is loaded and we have a valid key/salt
-	 *
-	 * @param string $value Value to encrypt.
-	 *
-	 * @return string Encrypted value
-	 */
-	public static function encrypt( $value ) {
-		if ( ! extension_loaded( 'openssl' ) ||
-		empty( self::get_key() ) ||
-		empty( self::get_salt() ) ) {
-			return $value;
-		}
-
-		$method             = 'aes-256-ctr';
-		$init_vector_length = openssl_cipher_iv_length( $method );
-		$init_vector        = openssl_random_pseudo_bytes( $init_vector_length );
-
-		$raw_value = openssl_encrypt( $value . self::get_salt(), $method, self::get_key(), 0, $init_vector );
-		if ( ! $raw_value ) {
-			return false;
-		}
-
-		// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
-		return base64_encode( $init_vector . $raw_value );
-	}
-
-	/**
-	 * Decrpyt a given value
-	 *
-	 * @param string $value the encrypted value to decrypt.
-	 *
-	 * @return string The decrypted value
-	 */
-	public static function decrypt( $value ) {
-		if ( ! extension_loaded( 'openssl' ) ||
-		empty( self::get_key() ) ||
-		empty( self::get_salt() ) ) {
-			return $value;
-		}
-
-		// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
-		$raw_value = base64_decode( $value, true );
-
-		$method             = 'aes-256-ctr';
-		$init_vector_length = openssl_cipher_iv_length( $method );
-		$init_vector        = substr( $raw_value, 0, $init_vector_length );
-
-		$raw_value = substr( $raw_value, $init_vector_length );
-
-		$value = openssl_decrypt( $raw_value, $method, self::get_key(), 0, $init_vector );
-		if ( ! $value || substr( $value, - strlen( self::get_salt() ) ) !== self::get_salt() ) {
-			return false;
-		}
-
-		return substr( $value, 0, - strlen( self::get_salt() ) );
-	}
-}