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authorzotlabs <root@sillystring.adeis.uow.edu.au>2017-03-14 09:09:05 +1100
committerzotlabs <root@sillystring.adeis.uow.edu.au>2017-03-14 09:09:05 +1100
commit6c641b1834539c65edb35dd43a6afa7620e73e1c (patch)
treef01fdc61f8728153478524908cf83f45e6083688 /library/oauth2/src/OAuth2/Encryption
parentfc533107ed49735aad5ba39bf02b87ed7ac870b6 (diff)
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move oauth2 to vendor
Diffstat (limited to 'library/oauth2/src/OAuth2/Encryption')
-rw-r--r--library/oauth2/src/OAuth2/Encryption/EncryptionInterface.php11
-rw-r--r--library/oauth2/src/OAuth2/Encryption/FirebaseJwt.php47
-rw-r--r--library/oauth2/src/OAuth2/Encryption/Jwt.php173
3 files changed, 0 insertions, 231 deletions
diff --git a/library/oauth2/src/OAuth2/Encryption/EncryptionInterface.php b/library/oauth2/src/OAuth2/Encryption/EncryptionInterface.php
deleted file mode 100644
index 2d336c664..000000000
--- a/library/oauth2/src/OAuth2/Encryption/EncryptionInterface.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace OAuth2\Encryption;
-
-interface EncryptionInterface
-{
- public function encode($payload, $key, $algorithm = null);
- public function decode($payload, $key, $algorithm = null);
- public function urlSafeB64Encode($data);
- public function urlSafeB64Decode($b64);
-}
diff --git a/library/oauth2/src/OAuth2/Encryption/FirebaseJwt.php b/library/oauth2/src/OAuth2/Encryption/FirebaseJwt.php
deleted file mode 100644
index 1b527e0a0..000000000
--- a/library/oauth2/src/OAuth2/Encryption/FirebaseJwt.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-
-namespace OAuth2\Encryption;
-
-/**
- * Bridge file to use the firebase/php-jwt package for JWT encoding and decoding.
- * @author Francis Chuang <francis.chuang@gmail.com>
- */
-class FirebaseJwt implements EncryptionInterface
-{
- public function __construct()
- {
- if (!class_exists('\JWT')) {
- throw new \ErrorException('firebase/php-jwt must be installed to use this feature. You can do this by running "composer require firebase/php-jwt"');
- }
- }
-
- public function encode($payload, $key, $alg = 'HS256', $keyId = null)
- {
- return \JWT::encode($payload, $key, $alg, $keyId);
- }
-
- public function decode($jwt, $key = null, $allowedAlgorithms = null)
- {
- try {
-
- //Maintain BC: Do not verify if no algorithms are passed in.
- if (!$allowedAlgorithms) {
- $key = null;
- }
-
- return (array)\JWT::decode($jwt, $key, $allowedAlgorithms);
- } catch (\Exception $e) {
- return false;
- }
- }
-
- public function urlSafeB64Encode($data)
- {
- return \JWT::urlsafeB64Encode($data);
- }
-
- public function urlSafeB64Decode($b64)
- {
- return \JWT::urlsafeB64Decode($b64);
- }
-}
diff --git a/library/oauth2/src/OAuth2/Encryption/Jwt.php b/library/oauth2/src/OAuth2/Encryption/Jwt.php
deleted file mode 100644
index ee576e643..000000000
--- a/library/oauth2/src/OAuth2/Encryption/Jwt.php
+++ /dev/null
@@ -1,173 +0,0 @@
-<?php
-
-namespace OAuth2\Encryption;
-
-/**
- * @link https://github.com/F21/jwt
- * @author F21
- */
-class Jwt implements EncryptionInterface
-{
- public function encode($payload, $key, $algo = 'HS256')
- {
- $header = $this->generateJwtHeader($payload, $algo);
-
- $segments = array(
- $this->urlSafeB64Encode(json_encode($header)),
- $this->urlSafeB64Encode(json_encode($payload))
- );
-
- $signing_input = implode('.', $segments);
-
- $signature = $this->sign($signing_input, $key, $algo);
- $segments[] = $this->urlsafeB64Encode($signature);
-
- return implode('.', $segments);
- }
-
- public function decode($jwt, $key = null, $allowedAlgorithms = true)
- {
- if (!strpos($jwt, '.')) {
- return false;
- }
-
- $tks = explode('.', $jwt);
-
- if (count($tks) != 3) {
- return false;
- }
-
- list($headb64, $payloadb64, $cryptob64) = $tks;
-
- if (null === ($header = json_decode($this->urlSafeB64Decode($headb64), true))) {
- return false;
- }
-
- if (null === $payload = json_decode($this->urlSafeB64Decode($payloadb64), true)) {
- return false;
- }
-
- $sig = $this->urlSafeB64Decode($cryptob64);
-
- if ((bool) $allowedAlgorithms) {
- if (!isset($header['alg'])) {
- return false;
- }
-
- // check if bool arg supplied here to maintain BC
- if (is_array($allowedAlgorithms) && !in_array($header['alg'], $allowedAlgorithms)) {
- return false;
- }
-
- if (!$this->verifySignature($sig, "$headb64.$payloadb64", $key, $header['alg'])) {
- return false;
- }
- }
-
- return $payload;
- }
-
- private function verifySignature($signature, $input, $key, $algo = 'HS256')
- {
- // use constants when possible, for HipHop support
- switch ($algo) {
- case'HS256':
- case'HS384':
- case'HS512':
- return $this->hash_equals(
- $this->sign($input, $key, $algo),
- $signature
- );
-
- case 'RS256':
- return openssl_verify($input, $signature, $key, defined('OPENSSL_ALGO_SHA256') ? OPENSSL_ALGO_SHA256 : 'sha256') === 1;
-
- case 'RS384':
- return @openssl_verify($input, $signature, $key, defined('OPENSSL_ALGO_SHA384') ? OPENSSL_ALGO_SHA384 : 'sha384') === 1;
-
- case 'RS512':
- return @openssl_verify($input, $signature, $key, defined('OPENSSL_ALGO_SHA512') ? OPENSSL_ALGO_SHA512 : 'sha512') === 1;
-
- default:
- throw new \InvalidArgumentException("Unsupported or invalid signing algorithm.");
- }
- }
-
- private function sign($input, $key, $algo = 'HS256')
- {
- switch ($algo) {
- case 'HS256':
- return hash_hmac('sha256', $input, $key, true);
-
- case 'HS384':
- return hash_hmac('sha384', $input, $key, true);
-
- case 'HS512':
- return hash_hmac('sha512', $input, $key, true);
-
- case 'RS256':
- return $this->generateRSASignature($input, $key, defined('OPENSSL_ALGO_SHA256') ? OPENSSL_ALGO_SHA256 : 'sha256');
-
- case 'RS384':
- return $this->generateRSASignature($input, $key, defined('OPENSSL_ALGO_SHA384') ? OPENSSL_ALGO_SHA384 : 'sha384');
-
- case 'RS512':
- return $this->generateRSASignature($input, $key, defined('OPENSSL_ALGO_SHA512') ? OPENSSL_ALGO_SHA512 : 'sha512');
-
- default:
- throw new \Exception("Unsupported or invalid signing algorithm.");
- }
- }
-
- private function generateRSASignature($input, $key, $algo)
- {
- if (!openssl_sign($input, $signature, $key, $algo)) {
- throw new \Exception("Unable to sign data.");
- }
-
- return $signature;
- }
-
- public function urlSafeB64Encode($data)
- {
- $b64 = base64_encode($data);
- $b64 = str_replace(array('+', '/', "\r", "\n", '='),
- array('-', '_'),
- $b64);
-
- return $b64;
- }
-
- public function urlSafeB64Decode($b64)
- {
- $b64 = str_replace(array('-', '_'),
- array('+', '/'),
- $b64);
-
- return base64_decode($b64);
- }
-
- /**
- * Override to create a custom header
- */
- protected function generateJwtHeader($payload, $algorithm)
- {
- return array(
- 'typ' => 'JWT',
- 'alg' => $algorithm,
- );
- }
-
- protected function hash_equals($a, $b)
- {
- if (function_exists('hash_equals')) {
- return hash_equals($a, $b);
- }
- $diff = strlen($a) ^ strlen($b);
- for ($i = 0; $i < strlen($a) && $i < strlen($b); $i++) {
- $diff |= ord($a[$i]) ^ ord($b[$i]);
- }
-
- return $diff === 0;
- }
-}