1 files changed, 0 insertions, 326 deletions
diff --git a/mayor-orig/www/include/share/facebook/SignedRequest.php b/mayor-orig/www/include/share/facebook/SignedRequest.php
deleted file mode 100644
index 6a175a0a..00000000
--- a/mayor-orig/www/include/share/facebook/SignedRequest.php
+++ /dev/null
@@ -1,326 +0,0 @@
-<?php
-/**
- * Copyright 2017 Facebook, Inc.
- *
- * You are hereby granted a non-exclusive, worldwide, royalty-free license to
- * use, copy, modify, and distribute this software in source code or binary
- * form for use in connection with the web services and APIs provided by
- * Facebook.
- *
- * As with any software that integrates with the Facebook platform, your use
- * of this software is subject to the Facebook Developer Principles and
- * Policies [http://developers.facebook.com/policy/]. This copyright notice
- * shall be included in all copies or substantial portions of the software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- */
-namespace Facebook;
-
-use Facebook\Exceptions\FacebookSDKException;
-
-/**
- * Class SignedRequest
- *
- * @package Facebook
- */
-class SignedRequest
-{
-    /**
-     * @var FacebookApp The FacebookApp entity.
-     */
-    protected $app;
-
-    /**
-     * @var string The raw encrypted signed request.
-     */
-    protected $rawSignedRequest;
-
-    /**
-     * @var array The payload from the decrypted signed request.
-     */
-    protected $payload;
-
-    /**
-     * Instantiate a new SignedRequest entity.
-     *
-     * @param FacebookApp $facebookApp      The FacebookApp entity.
-     * @param string|null $rawSignedRequest The raw signed request.
-     */
-    public function __construct(FacebookApp $facebookApp, $rawSignedRequest = null)
-    {
-        $this->app = $facebookApp;
-
-        if (!$rawSignedRequest) {
-            return;
-        }
-
-        $this->rawSignedRequest = $rawSignedRequest;
-
-        $this->parse();
-    }
-
-    /**
-     * Returns the raw signed request data.
-     *
-     * @return string|null
-     */
-    public function getRawSignedRequest()
-    {
-        return $this->rawSignedRequest;
-    }
-
-    /**
-     * Returns the parsed signed request data.
-     *
-     * @return array|null
-     */
-    public function getPayload()
-    {
-        return $this->payload;
-    }
-
-    /**
-     * Returns a property from the signed request data if available.
-     *
-     * @param string     $key
-     * @param mixed|null $default
-     *
-     * @return mixed|null
-     */
-    public function get($key, $default = null)
-    {
-        if (isset($this->payload[$key])) {
-            return $this->payload[$key];
-        }
-
-        return $default;
-    }
-
-    /**
-     * Returns user_id from signed request data if available.
-     *
-     * @return string|null
-     */
-    public function getUserId()
-    {
-        return $this->get('user_id');
-    }
-
-    /**
-     * Checks for OAuth data in the payload.
-     *
-     * @return boolean
-     */
-    public function hasOAuthData()
-    {
-        return $this->get('oauth_token') || $this->get('code');
-    }
-
-    /**
-     * Creates a signed request from an array of data.
-     *
-     * @param array $payload
-     *
-     * @return string
-     */
-    public function make(array $payload)
-    {
-        $payload['algorithm'] = isset($payload['algorithm']) ? $payload['algorithm'] : 'HMAC-SHA256';
-        $payload['issued_at'] = isset($payload['issued_at']) ? $payload['issued_at'] : time();
-        $encodedPayload = $this->base64UrlEncode(json_encode($payload));
-
-        $hashedSig = $this->hashSignature($encodedPayload);
-        $encodedSig = $this->base64UrlEncode($hashedSig);
-
-        return $encodedSig . '.' . $encodedPayload;
-    }
-
-    /**
-     * Validates and decodes a signed request and saves
-     * the payload to an array.
-     */
-    protected function parse()
-    {
-        list($encodedSig, $encodedPayload) = $this->split();
-
-        // Signature validation
-        $sig = $this->decodeSignature($encodedSig);
-        $hashedSig = $this->hashSignature($encodedPayload);
-        $this->validateSignature($hashedSig, $sig);
-
-        $this->payload = $this->decodePayload($encodedPayload);
-
-        // Payload validation
-        $this->validateAlgorithm();
-    }
-
-    /**
-     * Splits a raw signed request into signature and payload.
-     *
-     * @return array
-     *
-     * @throws FacebookSDKException
-     */
-    protected function split()
-    {
-        if (strpos($this->rawSignedRequest, '.') === false) {
-            throw new FacebookSDKException('Malformed signed request.', 606);
-        }
-
-        return explode('.', $this->rawSignedRequest, 2);
-    }
-
-    /**
-     * Decodes the raw signature from a signed request.
-     *
-     * @param string $encodedSig
-     *
-     * @return string
-     *
-     * @throws FacebookSDKException
-     */
-    protected function decodeSignature($encodedSig)
-    {
-        $sig = $this->base64UrlDecode($encodedSig);
-
-        if (!$sig) {
-            throw new FacebookSDKException('Signed request has malformed encoded signature data.', 607);
-        }
-
-        return $sig;
-    }
-
-    /**
-     * Decodes the raw payload from a signed request.
-     *
-     * @param string $encodedPayload
-     *
-     * @return array
-     *
-     * @throws FacebookSDKException
-     */
-    protected function decodePayload($encodedPayload)
-    {
-        $payload = $this->base64UrlDecode($encodedPayload);
-
-        if ($payload) {
-            $payload = json_decode($payload, true);
-        }
-
-        if (!is_array($payload)) {
-            throw new FacebookSDKException('Signed request has malformed encoded payload data.', 607);
-        }
-
-        return $payload;
-    }
-
-    /**
-     * Validates the algorithm used in a signed request.
-     *
-     * @throws FacebookSDKException
-     */
-    protected function validateAlgorithm()
-    {
-        if ($this->get('algorithm') !== 'HMAC-SHA256') {
-            throw new FacebookSDKException('Signed request is using the wrong algorithm.', 605);
-        }
-    }
-
-    /**
-     * Hashes the signature used in a signed request.
-     *
-     * @param string $encodedData
-     *
-     * @return string
-     *
-     * @throws FacebookSDKException
-     */
-    protected function hashSignature($encodedData)
-    {
-        $hashedSig = hash_hmac(
-            'sha256',
-            $encodedData,
-            $this->app->getSecret(),
-            $raw_output = true
-        );
-
-        if (!$hashedSig) {
-            throw new FacebookSDKException('Unable to hash signature from encoded payload data.', 602);
-        }
-
-        return $hashedSig;
-    }
-
-    /**
-     * Validates the signature used in a signed request.
-     *
-     * @param string $hashedSig
-     * @param string $sig
-     *
-     * @throws FacebookSDKException
-     */
-    protected function validateSignature($hashedSig, $sig)
-    {
-        if (\hash_equals($hashedSig, $sig)) {
-            return;
-        }
-
-        throw new FacebookSDKException('Signed request has an invalid signature.', 602);
-    }
-
-    /**
-     * Base64 decoding which replaces characters:
-     *   + instead of -
-     *   / instead of _
-     *
-     * @link http://en.wikipedia.org/wiki/Base64#URL_applications
-     *
-     * @param string $input base64 url encoded input
-     *
-     * @return string decoded string
-     */
-    public function base64UrlDecode($input)
-    {
-        $urlDecodedBase64 = strtr($input, '-_', '+/');
-        $this->validateBase64($urlDecodedBase64);
-
-        return base64_decode($urlDecodedBase64);
-    }
-
-    /**
-     * Base64 encoding which replaces characters:
-     *   + instead of -
-     *   / instead of _
-     *
-     * @link http://en.wikipedia.org/wiki/Base64#URL_applications
-     *
-     * @param string $input string to encode
-     *
-     * @return string base64 url encoded input
-     */
-    public function base64UrlEncode($input)
-    {
-        return strtr(base64_encode($input), '+/', '-_');
-    }
-
-    /**
-     * Validates a base64 string.
-     *
-     * @param string $input base64 value to validate
-     *
-     * @throws FacebookSDKException
-     */
-    protected function validateBase64($input)
-    {
-        if (!preg_match('/^[a-zA-Z0-9\/\r\n+]*={0,2}$/', $input)) {
-            throw new FacebookSDKException('Signed request contains malformed base64 encoding.', 608);
-        }
-    }
-}