first commit

modules/ps_facebook/vendor/lcobucci/jwt/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2014-2015, Luís Otávio Cobucci Oblonczyk
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the {organization} nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

modules/ps_facebook/vendor/lcobucci/jwt/compat/class-aliases.php

@@ -0,0 +1,4 @@
+<?php
+
+class_exists(\Lcobucci\JWT\Token\Plain::class, false) || class_alias(\Lcobucci\JWT\Token::class, \Lcobucci\JWT\Token\Plain::class);
+class_exists(\Lcobucci\JWT\Token\Signature::class, false) || class_alias(\Lcobucci\JWT\Signature::class, \Lcobucci\JWT\Token\Signature::class);

modules/ps_facebook/vendor/lcobucci/jwt/compat/json-exception-polyfill.php

@@ -0,0 +1,7 @@
+<?php
+
+if (PHP_VERSION_ID < 70300 && ! class_exists('JsonException')) {
+    class JsonException extends Exception
+    {
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/compat/lcobucci-clock-polyfill.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Lcobucci\Clock;
+
+use DateTimeImmutable;
+use DateTimeZone;
+use function interface_exists;
+
+if (! interface_exists(Clock::class)) {
+    interface Clock
+    {
+        /** @return DateTimeImmutable */
+        public function now();
+    }
+
+    final class FrozenClock implements Clock
+    {
+        /** @var DateTimeImmutable */
+        private $now;
+
+        public function __construct(DateTimeImmutable $now)
+        {
+            $this->now = $now;
+        }
+
+        /** @return self */
+        public static function fromUTC()
+        {
+            return new self(new DateTimeImmutable('now', new DateTimeZone('UTC')));
+        }
+
+        public function setTo(DateTimeImmutable $now)
+        {
+            $this->now = $now;
+        }
+
+        public function now()
+        {
+            return $this->now;
+        }
+    }
+
+    final class SystemClock implements Clock
+    {
+        /** @var DateTimeZone */
+        private $timezone;
+
+        public function __construct(DateTimeZone $timezone)
+        {
+            $this->timezone = $timezone;
+        }
+
+        /** @return self */
+        public static function fromUTC()
+        {
+            return new self(new DateTimeZone('UTC'));
+        }
+
+        /** @return self */
+        public static function fromSystemTimezone()
+        {
+            return new self(new DateTimeZone(date_default_timezone_get()));
+        }
+
+        public function now()
+        {
+            return new DateTimeImmutable('now', $this->timezone);
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/composer.json

@@ -0,0 +1,57 @@
+{
+    "name": "lcobucci/jwt",
+    "description": "A simple library to work with JSON Web Token and JSON Web Signature",
+    "type": "library",
+    "authors": [
+        {
+            "name": "Luís Otávio Cobucci Oblonczyk",
+            "email": "lcobucci@gmail.com",
+            "role": "Developer"
+        }
+    ],
+    "keywords": [
+        "JWT",
+        "JWS"
+    ],
+    "license": [
+        "BSD-3-Clause"
+    ],
+    "require": {
+        "php": "^5.6 || ^7.0",
+        "ext-mbstring": "*",
+        "ext-openssl": "*"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^5.7 || ^7.3",
+        "squizlabs/php_codesniffer": "~2.3",
+        "phpmd/phpmd": "~2.2",
+        "phpunit/php-invoker": "~1.1",
+        "mikey179/vfsstream": "~1.5"
+    },
+    "autoload": {
+        "psr-4": {
+            "Lcobucci\\JWT\\": "src"
+        },
+        "files": [
+            "compat/class-aliases.php",
+            "compat/json-exception-polyfill.php",
+            "compat/lcobucci-clock-polyfill.php"
+        ]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Lcobucci\\JWT\\": [
+                "test/unit",
+                "test/functional"
+            ]
+        }
+    },
+    "suggest": {
+        "lcobucci/clock": "*"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "3.1-dev"
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Builder.php

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+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+use DateTimeImmutable;
+use Lcobucci\JWT\Claim\Factory as ClaimFactory;
+use Lcobucci\JWT\Parsing\Encoder;
+use Lcobucci\JWT\Signer\Key;
+use Lcobucci\JWT\Token\DataSet;
+use Lcobucci\JWT\Token\RegisteredClaimGiven;
+use Lcobucci\JWT\Token\RegisteredClaims;
+
+use function array_diff;
+use function array_filter;
+use function array_key_exists;
+use function array_merge;
+use function array_shift;
+use function count;
+use function current;
+use function in_array;
+use function is_array;
+use function is_bool;
+use function trigger_error;
+use const E_USER_DEPRECATED;
+
+/**
+ * This class makes easier the token creation process
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Builder
+{
+    /**
+     * The token header
+     *
+     * @var array
+     */
+    private $headers = ['typ'=> 'JWT', 'alg' => 'none'];
+
+    /**
+     * The token claim set
+     *
+     * @var array
+     */
+    private $claims = [];
+
+    /**
+     * The data encoder
+     *
+     * @var Encoder
+     */
+    private $encoder;
+
+    /**
+     * The factory of claims
+     *
+     * @var ClaimFactory
+     */
+    private $claimFactory;
+
+    /**
+     * @var Signer|null
+     */
+    private $signer;
+
+    /**
+     * @var Key|null
+     */
+    private $key;
+
+    /**
+     * Initializes a new builder
+     *
+     * @param Encoder $encoder
+     * @param ClaimFactory $claimFactory
+     */
+    public function __construct(
+        Encoder $encoder = null,
+        ClaimFactory $claimFactory = null
+    ) {
+        $this->encoder = $encoder ?: new Encoder();
+        $this->claimFactory = $claimFactory ?: new ClaimFactory();
+    }
+
+    /**
+     * Configures the audience
+     *
+     * @deprecated This method has been wrongly added and doesn't exist on v4
+     * @see Builder::permittedFor()
+     *
+     * @param string $audience
+     * @param bool $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function canOnlyBeUsedBy($audience, $replicateAsHeader = false)
+    {
+        return $this->permittedFor($audience, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the audience
+     *
+     * @param list<string|bool> $audiences A list of audiences and, optionally, the instruction to replicate as header
+     *
+     * @return Builder
+     */
+    public function permittedFor(...$audiences)
+    {
+        $claim = RegisteredClaims::AUDIENCE;
+
+        $replicateAsHeader = false;
+
+        if ($audiences !== [] && is_bool($audiences[count($audiences) - 1])) {
+            $replicateAsHeader = array_pop($audiences);
+        }
+
+        $audiences = array_filter($audiences, 'is_string');
+
+        $configured = array_key_exists($claim, $this->claims) ? $this->claims[$claim] : [];
+        $toAppend   = array_diff($audiences, $configured);
+
+        return $this->setRegisteredClaim($claim, array_merge($configured, $toAppend), $replicateAsHeader);
+    }
+
+    /**
+     * Configures the audience
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::permittedFor()
+     *
+     * @param string $audience
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setAudience($audience, $replicateAsHeader = false)
+    {
+        return $this->permittedFor($audience, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the expiration time
+     *
+     * @param int|DateTimeImmutable $expiration
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function expiresAt($expiration, $replicateAsHeader = false)
+    {
+        return $this->setRegisteredClaim('exp', $this->convertToDate($expiration), $replicateAsHeader);
+    }
+
+    /**
+     * @param int|DateTimeImmutable $value
+     *
+     * @return DateTimeImmutable
+     */
+    private function convertToDate($value)
+    {
+        if (! $value instanceof DateTimeImmutable) {
+            trigger_error('Using integers for registered date claims is deprecated, please use DateTimeImmutable objects instead.', E_USER_DEPRECATED);
+
+            return new DateTimeImmutable('@' . $value);
+        }
+
+        return $value;
+    }
+
+    /**
+     * Configures the expiration time
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::expiresAt()
+     *
+     * @param int|DateTimeImmutable $expiration
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setExpiration($expiration, $replicateAsHeader = false)
+    {
+        return $this->expiresAt($expiration, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the token id
+     *
+     * @param string $id
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function identifiedBy($id, $replicateAsHeader = false)
+    {
+        return $this->setRegisteredClaim('jti', (string) $id, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the token id
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::identifiedBy()
+     *
+     * @param string $id
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setId($id, $replicateAsHeader = false)
+    {
+        return $this->identifiedBy($id, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the time that the token was issued
+     *
+     * @param int|DateTimeImmutable $issuedAt
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function issuedAt($issuedAt, $replicateAsHeader = false)
+    {
+        return $this->setRegisteredClaim('iat', $this->convertToDate($issuedAt), $replicateAsHeader);
+    }
+
+    /**
+     * Configures the time that the token was issued
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::issuedAt()
+     *
+     * @param int|DateTimeImmutable $issuedAt
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setIssuedAt($issuedAt, $replicateAsHeader = false)
+    {
+        return $this->issuedAt($issuedAt, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the issuer
+     *
+     * @param string $issuer
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function issuedBy($issuer, $replicateAsHeader = false)
+    {
+        return $this->setRegisteredClaim('iss', (string) $issuer, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the issuer
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::issuedBy()
+     *
+     * @param string $issuer
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setIssuer($issuer, $replicateAsHeader = false)
+    {
+        return $this->issuedBy($issuer, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the time before which the token cannot be accepted
+     *
+     * @param int|DateTimeImmutable $notBefore
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function canOnlyBeUsedAfter($notBefore, $replicateAsHeader = false)
+    {
+        return $this->setRegisteredClaim('nbf', $this->convertToDate($notBefore), $replicateAsHeader);
+    }
+
+    /**
+     * Configures the time before which the token cannot be accepted
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::canOnlyBeUsedAfter()
+     *
+     * @param int|DateTimeImmutable $notBefore
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setNotBefore($notBefore, $replicateAsHeader = false)
+    {
+        return $this->canOnlyBeUsedAfter($notBefore, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the subject
+     *
+     * @param string $subject
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function relatedTo($subject, $replicateAsHeader = false)
+    {
+        return $this->setRegisteredClaim('sub', (string) $subject, $replicateAsHeader);
+    }
+
+    /**
+     * Configures the subject
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::relatedTo()
+     *
+     * @param string $subject
+     * @param boolean $replicateAsHeader
+     *
+     * @return Builder
+     */
+    public function setSubject($subject, $replicateAsHeader = false)
+    {
+        return $this->relatedTo($subject, $replicateAsHeader);
+    }
+
+    /**
+     * Configures a registered claim
+     *
+     * @param string $name
+     * @param mixed $value
+     * @param boolean $replicate
+     *
+     * @return Builder
+     */
+    protected function setRegisteredClaim($name, $value, $replicate)
+    {
+        $this->configureClaim($name, $value);
+
+        if ($replicate) {
+            trigger_error('Replicating claims as headers is deprecated and will removed from v4.0. Please manually set the header if you need it replicated.', E_USER_DEPRECATED);
+
+            $this->headers[$name] = $value;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Configures a header item
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Builder
+     */
+    public function withHeader($name, $value)
+    {
+        $this->headers[(string) $name] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Configures a header item
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::withHeader()
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Builder
+     */
+    public function setHeader($name, $value)
+    {
+        return $this->withHeader($name, $value);
+    }
+
+    /**
+     * Configures a claim item
+     *
+     * @deprecated This method has been wrongly added and doesn't exist on v4
+     * @see Builder::withClaim()
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Builder
+     */
+    public function with($name, $value)
+    {
+        return $this->withClaim($name, $value);
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Builder
+     */
+    private function configureClaim($name, $value)
+    {
+        $this->claims[(string) $name] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Configures a claim item
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Builder
+     *
+     * @throws RegisteredClaimGiven
+     */
+    public function withClaim($name, $value)
+    {
+        if (in_array($name, RegisteredClaims::ALL, true)) {
+            trigger_error('The use of the method "withClaim" is deprecated for registered claims. Please use dedicated method instead.', E_USER_DEPRECATED);
+        }
+
+        return $this->forwardCallToCorrectClaimMethod($name, $value);
+    }
+
+    private function forwardCallToCorrectClaimMethod($name, $value)
+    {
+        switch ($name) {
+            case RegisteredClaims::ID:
+                return $this->identifiedBy($value);
+            case RegisteredClaims::EXPIRATION_TIME:
+                return $this->expiresAt($value);
+            case RegisteredClaims::NOT_BEFORE:
+                return $this->canOnlyBeUsedAfter($value);
+            case RegisteredClaims::ISSUED_AT:
+                return $this->issuedAt($value);
+            case RegisteredClaims::ISSUER:
+                return $this->issuedBy($value);
+            case RegisteredClaims::AUDIENCE:
+                return $this->permittedFor($value);
+            default:
+                return $this->configureClaim($name, $value);
+        }
+    }
+
+    /**
+     * Configures a claim item
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::withClaim()
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Builder
+     */
+    public function set($name, $value)
+    {
+        return $this->forwardCallToCorrectClaimMethod($name, $value);
+    }
+
+    /**
+     * Signs the data
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::getToken()
+     *
+     * @param Signer $signer
+     * @param Key|string $key
+     *
+     * @return Builder
+     */
+    public function sign(Signer $signer, $key)
+    {
+        if (! $key instanceof Key) {
+            trigger_error('Implicit conversion of keys from strings is deprecated. Please use InMemory or LocalFileReference classes.', E_USER_DEPRECATED);
+
+            $key = new Key($key);
+        }
+
+        $this->signer = $signer;
+        $this->key = $key;
+
+        return $this;
+    }
+
+    /**
+     * Removes the signature from the builder
+     *
+     * @deprecated This method will be removed on v4
+     * @see Builder::getToken()
+     *
+     * @return Builder
+     */
+    public function unsign()
+    {
+        $this->signer = null;
+        $this->key = null;
+
+        return $this;
+    }
+
+    /**
+     * Returns the resultant token
+     *
+     * @return Token
+     */
+    public function getToken(Signer $signer = null, Key $key = null)
+    {
+        if ($signer === null || $key === null) {
+            trigger_error('Not specifying the signer and key to Builder#getToken() is deprecated. Please move the arguments from Builder#sign() to Builder#getToken().', E_USER_DEPRECATED);
+        }
+
+        $signer = $signer ?: $this->signer;
+        $key = $key ?: $this->key;
+
+        if ($signer instanceof Signer) {
+            $signer->modifyHeader($this->headers);
+        }
+
+        $headers = new DataSet(
+            $this->headers,
+            $this->encoder->base64UrlEncode($this->encoder->jsonEncode($this->convertItems($this->headers)))
+        );
+
+        $claims = new DataSet(
+            $this->claims,
+            $this->encoder->base64UrlEncode($this->encoder->jsonEncode($this->convertItems($this->claims)))
+        );
+
+        return new Token(
+            $headers,
+            $claims,
+            $this->createSignature($headers->toString() . '.' . $claims->toString(), $signer, $key),
+            ['', ''],
+            $this->claimFactory
+        );
+    }
+
+    /**
+     * @param array<string, mixed> $items
+     *
+     * @return array<string, mixed>
+     */
+    private function convertItems(array $items)
+    {
+        foreach (RegisteredClaims::DATE_CLAIMS as $name) {
+            if (! array_key_exists($name, $items) || ! $items[$name] instanceof DateTimeImmutable) {
+                continue;
+            }
+
+            $items[$name] = $items[$name]->getTimestamp();
+        }
+
+        $audience = RegisteredClaims::AUDIENCE;
+
+        if (array_key_exists($audience, $items) && is_array($items[$audience]) && count($items[$audience]) === 1) {
+            $items[$audience] = current($items[$audience]);
+        }
+
+        return $items;
+    }
+
+    /**
+     * @param string $payload
+     *
+     * @return Signature
+     */
+    private function createSignature($payload, Signer $signer = null, Key $key = null)
+    {
+        if ($signer === null || $key === null) {
+            return Signature::fromEmptyData();
+        }
+
+        $hash = $signer->sign($payload, $key)->hash();
+
+        return new Signature($hash, $this->encoder->base64UrlEncode($hash));
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+use JsonSerializable;
+
+/**
+ * Basic interface for token claims
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+interface Claim extends JsonSerializable
+{
+    /**
+     * Returns the claim name
+     *
+     * @return string
+     */
+    public function getName();
+
+    /**
+     * Returns the claim value
+     *
+     * @return mixed
+     */
+    public function getValue();
+
+    /**
+     * Returns the string representation of the claim
+     *
+     * @return string
+     */
+    public function __toString();
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim/Basic.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Claim;
+
+use Lcobucci\JWT\Claim;
+
+/**
+ * The default claim
+ *
+ * @deprecated This class will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+class Basic implements Claim
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var mixed
+     */
+    private $value;
+
+    /**
+     * Initializes the claim
+     *
+     * @param string $name
+     * @param mixed $value
+     */
+    public function __construct($name, $value)
+    {
+        $this->name = $name;
+        $this->value = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function jsonSerialize()
+    {
+        return $this->value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __toString()
+    {
+        return (string) $this->value;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim/EqualsTo.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Claim;
+
+use Lcobucci\JWT\Claim;
+use Lcobucci\JWT\ValidationData;
+
+/**
+ * Validatable claim that checks if value is strictly equals to the given data
+ *
+ * @deprecated This class will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+class EqualsTo extends Basic implements Claim, Validatable
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function validate(ValidationData $data)
+    {
+        if ($data->has($this->getName())) {
+            return $this->getValue() === $data->get($this->getName());
+        }
+
+        return true;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim/Factory.php

@@ -0,0 +1,131 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Claim;
+
+use DateTimeImmutable;
+use Lcobucci\JWT\Claim;
+use Lcobucci\JWT\Token\RegisteredClaims;
+use function current;
+use function in_array;
+use function is_array;
+
+/**
+ * Class that create claims
+ *
+ * @deprecated This class will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+class Factory
+{
+    /**
+     * The list of claim callbacks
+     *
+     * @var array
+     */
+    private $callbacks;
+
+    /**
+     * Initializes the factory, registering the default callbacks
+     *
+     * @param array $callbacks
+     */
+    public function __construct(array $callbacks = [])
+    {
+        $this->callbacks = array_merge(
+            [
+                'iat' => [$this, 'createLesserOrEqualsTo'],
+                'nbf' => [$this, 'createLesserOrEqualsTo'],
+                'exp' => [$this, 'createGreaterOrEqualsTo'],
+                'iss' => [$this, 'createEqualsTo'],
+                'aud' => [$this, 'createEqualsTo'],
+                'sub' => [$this, 'createEqualsTo'],
+                'jti' => [$this, 'createEqualsTo']
+            ],
+            $callbacks
+        );
+    }
+
+    /**
+     * Create a new claim
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Claim
+     */
+    public function create($name, $value)
+    {
+        if ($value instanceof DateTimeImmutable && in_array($name, RegisteredClaims::DATE_CLAIMS, true)) {
+            $value = $value->getTimestamp();
+        }
+
+        if ($name === RegisteredClaims::AUDIENCE && is_array($value)) {
+            $value = current($value);
+        }
+
+        if (!empty($this->callbacks[$name])) {
+            return call_user_func($this->callbacks[$name], $name, $value);
+        }
+
+        return $this->createBasic($name, $value);
+    }
+
+    /**
+     * Creates a claim that can be compared (greator or equals)
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return GreaterOrEqualsTo
+     */
+    private function createGreaterOrEqualsTo($name, $value)
+    {
+        return new GreaterOrEqualsTo($name, $value);
+    }
+
+    /**
+     * Creates a claim that can be compared (greator or equals)
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return LesserOrEqualsTo
+     */
+    private function createLesserOrEqualsTo($name, $value)
+    {
+        return new LesserOrEqualsTo($name, $value);
+    }
+
+    /**
+     * Creates a claim that can be compared (equals)
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return EqualsTo
+     */
+    private function createEqualsTo($name, $value)
+    {
+        return new EqualsTo($name, $value);
+    }
+
+    /**
+     * Creates a basic claim
+     *
+     * @param string $name
+     * @param mixed $value
+     *
+     * @return Basic
+     */
+    private function createBasic($name, $value)
+    {
+        return new Basic($name, $value);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim/GreaterOrEqualsTo.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Claim;
+
+use Lcobucci\JWT\Claim;
+use Lcobucci\JWT\ValidationData;
+
+/**
+ * Validatable claim that checks if value is greater or equals the given data
+ *
+ * @deprecated This class will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+class GreaterOrEqualsTo extends Basic implements Claim, Validatable
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function validate(ValidationData $data)
+    {
+        if ($data->has($this->getName())) {
+            return $this->getValue() >= $data->get($this->getName());
+        }
+
+        return true;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim/LesserOrEqualsTo.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Claim;
+
+use Lcobucci\JWT\Claim;
+use Lcobucci\JWT\ValidationData;
+
+/**
+ * Validatable claim that checks if value is lesser or equals to the given data
+ *
+ * @deprecated This class will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+class LesserOrEqualsTo extends Basic implements Claim, Validatable
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function validate(ValidationData $data)
+    {
+        if ($data->has($this->getName())) {
+            return $this->getValue() <= $data->get($this->getName());
+        }
+
+        return true;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Claim/Validatable.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Claim;
+
+use Lcobucci\JWT\ValidationData;
+
+/**
+ * Basic interface for validatable token claims
+ *
+ * @deprecated This interface will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+interface Validatable
+{
+    /**
+     * Returns if claim is valid according with given data
+     *
+     * @param ValidationData $data
+     *
+     * @return boolean
+     */
+    public function validate(ValidationData $data);
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Configuration.php

@@ -0,0 +1,178 @@
+<?php
+
+namespace Lcobucci\JWT;
+
+use Closure;
+use Lcobucci\JWT\Parsing\Decoder;
+use Lcobucci\JWT\Parsing\Encoder;
+use Lcobucci\JWT\Signer\Key;
+use Lcobucci\JWT\Signer\Key\InMemory;
+use Lcobucci\JWT\Signer\None;
+use Lcobucci\JWT\Validation\Constraint;
+
+/**
+ * Configuration container for the JWT Builder and Parser
+ *
+ * Serves like a small DI container to simplify the creation and usage
+ * of the objects.
+ */
+final class Configuration
+{
+    /** @var Parser */
+    private $parser;
+
+    /** @var Signer */
+    private $signer;
+
+    /** @var Key */
+    private $signingKey;
+
+    /** @var Key */
+    private $verificationKey;
+
+    /** @var Validator */
+    private $validator;
+
+    /** @var Closure(): Builder */
+    private $builderFactory;
+
+    /** @var Constraint[] */
+    private $validationConstraints = [];
+
+    private function __construct(
+        Signer $signer,
+        Key $signingKey,
+        Key $verificationKey,
+        Encoder $encoder = null,
+        Decoder $decoder = null
+    ) {
+        $this->signer          = $signer;
+        $this->signingKey      = $signingKey;
+        $this->verificationKey = $verificationKey;
+        $this->parser          = new Parser($decoder ?: new Decoder());
+        $this->validator       = new Validation\Validator();
+
+        $this->builderFactory = static function () use ($encoder) {
+            return new Builder($encoder ?: new Encoder());
+        };
+    }
+
+    /** @return self */
+    public static function forAsymmetricSigner(
+        Signer $signer,
+        Key $signingKey,
+        Key $verificationKey,
+        Encoder $encoder = null,
+        Decoder $decoder = null
+    ) {
+        return new self(
+            $signer,
+            $signingKey,
+            $verificationKey,
+            $encoder,
+            $decoder
+        );
+    }
+
+    /** @return self */
+    public static function forSymmetricSigner(
+        Signer $signer,
+        Key $key,
+        Encoder $encoder = null,
+        Decoder $decoder = null
+    ) {
+        return new self(
+            $signer,
+            $key,
+            $key,
+            $encoder,
+            $decoder
+        );
+    }
+
+    /** @return self */
+    public static function forUnsecuredSigner(
+        Encoder $encoder = null,
+        Decoder $decoder = null
+    ) {
+        $key = InMemory::plainText('');
+
+        return new self(
+            new None(),
+            $key,
+            $key,
+            $encoder,
+            $decoder
+        );
+    }
+
+    /** @param callable(): Builder $builderFactory */
+    public function setBuilderFactory(callable $builderFactory)
+    {
+        if (! $builderFactory instanceof Closure) {
+            $builderFactory = static function() use ($builderFactory) {
+                return $builderFactory();
+            };
+        }
+        $this->builderFactory = $builderFactory;
+    }
+
+    /** @return Builder */
+    public function builder()
+    {
+        $factory = $this->builderFactory;
+
+        return $factory();
+    }
+
+    /** @return Parser */
+    public function parser()
+    {
+        return $this->parser;
+    }
+
+    public function setParser(Parser $parser)
+    {
+        $this->parser = $parser;
+    }
+
+    /** @return Signer */
+    public function signer()
+    {
+        return $this->signer;
+    }
+
+    /** @return Key */
+    public function signingKey()
+    {
+        return $this->signingKey;
+    }
+
+    /** @return Key */
+    public function verificationKey()
+    {
+        return $this->verificationKey;
+    }
+
+    /** @return Validator */
+    public function validator()
+    {
+        return $this->validator;
+    }
+
+    public function setValidator(Validator $validator)
+    {
+        $this->validator = $validator;
+    }
+
+    /** @return Constraint[] */
+    public function validationConstraints()
+    {
+        return $this->validationConstraints;
+    }
+
+    public function setValidationConstraints(Constraint ...$validationConstraints)
+    {
+        $this->validationConstraints = $validationConstraints;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Encoding/CannotDecodeContent.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Lcobucci\JWT\Encoding;
+
+use JsonException;
+use Lcobucci\JWT\Exception;
+use RuntimeException;
+
+final class CannotDecodeContent extends RuntimeException implements Exception
+{
+    /**
+     * @param JsonException $previous
+     *
+     * @return self
+     */
+    public static function jsonIssues(JsonException $previous)
+    {
+        return new self('Error while decoding from JSON', 0, $previous);
+    }
+
+    /** @return self */
+    public static function invalidBase64String()
+    {
+        return new self('Error while decoding from Base64Url, invalid base64 characters detected');
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Encoding/CannotEncodeContent.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Lcobucci\JWT\Encoding;
+
+use JsonException;
+use Lcobucci\JWT\Exception;
+use RuntimeException;
+
+final class CannotEncodeContent extends RuntimeException implements Exception
+{
+    /**
+     * @param JsonException $previous
+     *
+     * @return self
+     */
+    public static function jsonIssues(JsonException $previous)
+    {
+        return new self('Error while encoding to JSON', 0, $previous);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Exception.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Lcobucci\JWT;
+
+if (PHP_MAJOR_VERSION === 5) {
+    interface Exception
+    {
+    }
+} else {
+    interface Exception extends \Throwable
+    {
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Parser.php

@@ -0,0 +1,175 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+use DateTimeImmutable;
+use InvalidArgumentException;
+use Lcobucci\JWT\Parsing\Decoder;
+use Lcobucci\JWT\Token\DataSet;
+use Lcobucci\JWT\Token\InvalidTokenStructure;
+use Lcobucci\JWT\Token\RegisteredClaims;
+use Lcobucci\JWT\Token\UnsupportedHeaderFound;
+use RuntimeException;
+use function array_key_exists;
+use function is_array;
+
+/**
+ * This class parses the JWT strings and convert them into tokens
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Parser
+{
+    /**
+     * The data decoder
+     *
+     * @var Decoder
+     */
+    private $decoder;
+
+    /**
+     * Initializes the object
+     *
+     * @param Decoder $decoder
+     */
+    public function __construct(Decoder $decoder = null)
+    {
+        $this->decoder = $decoder ?: new Decoder();
+    }
+
+    /**
+     * Parses the JWT and returns a token
+     *
+     * @param string $jwt
+     *
+     * @return Token
+     *
+     * @throws InvalidArgumentException  When JWT is not a string or is invalid.
+     * @throws RuntimeException          When something goes wrong while decoding
+     */
+    public function parse($jwt)
+    {
+        $data = $this->splitJwt($jwt);
+        $header = $this->parseHeader($data[0]);
+        $claims = $this->parseClaims($data[1]);
+        $signature = $this->parseSignature($header, $data[2]);
+
+        foreach ($claims as $name => $value) {
+            if (isset($header[$name])) {
+                $header[$name] = $value;
+            }
+        }
+
+        return new Token(
+            new DataSet($header, $data[0]),
+            new DataSet($claims, $data[1]),
+            $signature,
+            ['', '']
+        );
+    }
+
+    /**
+     * Splits the JWT string into an array
+     *
+     * @param string $jwt
+     *
+     * @return array
+     *
+     * @throws InvalidArgumentException When JWT is not a string or is invalid
+     */
+    protected function splitJwt($jwt)
+    {
+        if (!is_string($jwt)) {
+            throw InvalidTokenStructure::missingOrNotEnoughSeparators();
+        }
+
+        $data = explode('.', $jwt);
+
+        if (count($data) != 3) {
+            throw InvalidTokenStructure::missingOrNotEnoughSeparators();
+        }
+
+        return $data;
+    }
+
+    /**
+     * Parses the header from a string
+     *
+     * @param string $data
+     *
+     * @return array
+     *
+     * @throws UnsupportedHeaderFound When an invalid header is informed
+     */
+    protected function parseHeader($data)
+    {
+        $header = (array) $this->decoder->jsonDecode($this->decoder->base64UrlDecode($data));
+
+        if (isset($header['enc'])) {
+            throw UnsupportedHeaderFound::encryption();
+        }
+
+        return $this->convertItems($header);
+    }
+
+    /**
+     * Parses the claim set from a string
+     *
+     * @param string $data
+     *
+     * @return array
+     */
+    protected function parseClaims($data)
+    {
+        $claims = (array) $this->decoder->jsonDecode($this->decoder->base64UrlDecode($data));
+
+        return $this->convertItems($claims);
+    }
+
+    /**
+     * @param array<string, mixed> $items
+     *
+     * @return array<string, mixed>
+     */
+    private function convertItems(array $items)
+    {
+        foreach (RegisteredClaims::DATE_CLAIMS as $name) {
+            if (! array_key_exists($name, $items)) {
+                continue;
+            }
+
+            $items[$name] = new DateTimeImmutable('@' . ((int) $items[$name]));
+        }
+
+        if (array_key_exists(RegisteredClaims::AUDIENCE, $items) && ! is_array($items[RegisteredClaims::AUDIENCE])) {
+            $items[RegisteredClaims::AUDIENCE] = [$items[RegisteredClaims::AUDIENCE]];
+        }
+
+        return $items;
+    }
+
+    /**
+     * Returns the signature from given data
+     *
+     * @param array $header
+     * @param string $data
+     *
+     * @return Signature
+     */
+    protected function parseSignature(array $header, $data)
+    {
+        if ($data == '' || !isset($header['alg']) || $header['alg'] == 'none') {
+            return Signature::fromEmptyData();
+        }
+
+        $hash = $this->decoder->base64UrlDecode($data);
+
+        return new Signature($hash, $data);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Parsing/Decoder.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Parsing;
+
+use JsonException;
+use Lcobucci\JWT\Encoding\CannotDecodeContent;
+use RuntimeException;
+
+use function json_decode;
+use function json_last_error;
+use function json_last_error_msg;
+
+/**
+ * Class that decodes data according with the specs of RFC-4648
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ *
+ * @link http://tools.ietf.org/html/rfc4648#section-5
+ */
+class Decoder
+{
+    /**
+     * Decodes from JSON, validating the errors (will return an associative array
+     * instead of objects)
+     *
+     * @param string $json
+     * @return mixed
+     *
+     * @throws RuntimeException When something goes wrong while decoding
+     */
+    public function jsonDecode($json)
+    {
+        if (PHP_VERSION_ID < 70300) {
+            $data = json_decode($json);
+
+            if (json_last_error() != JSON_ERROR_NONE) {
+                throw CannotDecodeContent::jsonIssues(new JsonException(json_last_error_msg()));
+            }
+
+            return $data;
+        }
+
+        try {
+            return json_decode($json, false, 512, JSON_THROW_ON_ERROR);
+        } catch (JsonException $exception) {
+            throw CannotDecodeContent::jsonIssues($exception);
+        }
+    }
+
+    /**
+     * Decodes from base64url
+     *
+     * @param string $data
+     * @return string
+     */
+    public function base64UrlDecode($data)
+    {
+        if ($remainder = strlen($data) % 4) {
+            $data .= str_repeat('=', 4 - $remainder);
+        }
+
+        return base64_decode(strtr($data, '-_', '+/'));
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Parsing/Encoder.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Parsing;
+
+use JsonException;
+use Lcobucci\JWT\Encoding\CannotEncodeContent;
+use RuntimeException;
+
+use function json_encode;
+use function json_last_error;
+use function json_last_error_msg;
+
+/**
+ * Class that encodes data according with the specs of RFC-4648
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ *
+ * @link http://tools.ietf.org/html/rfc4648#section-5
+ */
+class Encoder
+{
+    /**
+     * Encodes to JSON, validating the errors
+     *
+     * @param mixed $data
+     * @return string
+     *
+     * @throws RuntimeException When something goes wrong while encoding
+     */
+    public function jsonEncode($data)
+    {
+        if (PHP_VERSION_ID < 70300) {
+            $json = json_encode($data);
+
+            if (json_last_error() != JSON_ERROR_NONE) {
+                throw CannotEncodeContent::jsonIssues(new JsonException(json_last_error_msg()));
+            }
+
+            return $json;
+        }
+
+        try {
+            return json_encode($data, JSON_THROW_ON_ERROR);
+        } catch (JsonException $exception) {
+            throw CannotEncodeContent::jsonIssues($exception);
+        }
+    }
+
+    /**
+     * Encodes to base64url
+     *
+     * @param string $data
+     * @return string
+     */
+    public function base64UrlEncode($data)
+    {
+        return str_replace('=', '', strtr(base64_encode($data), '+/', '-_'));
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signature.php

@@ -0,0 +1,87 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+use Lcobucci\JWT\Signer\Key;
+
+/**
+ * This class represents a token signature
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Signature
+{
+    /**
+     * The resultant hash
+     *
+     * @var string
+     */
+    protected $hash;
+
+    /** @var string */
+    private $encoded;
+
+    /**
+     * Initializes the object
+     *
+     * @param string $hash
+     * @param string $encoded
+     */
+    public function __construct($hash, $encoded = '')
+    {
+        $this->hash    = $hash;
+        $this->encoded = $encoded;
+    }
+
+    /** @return self */
+    public static function fromEmptyData()
+    {
+        return new self('', '');
+    }
+
+    /**
+     * Verifies if the current hash matches with with the result of the creation of
+     * a new signature with given data
+     *
+     * @param Signer $signer
+     * @param string $payload
+     * @param Key|string $key
+     *
+     * @return boolean
+     */
+    public function verify(Signer $signer, $payload, $key)
+    {
+        return $signer->verify($this->hash, $payload, $key);
+    }
+
+    /**
+     * Returns the current hash as a string representation of the signature
+     *
+     * @deprecated This method has been removed from the public API in v4
+     * @see Signature::hash()
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return $this->hash;
+    }
+
+    /** @return string */
+    public function hash()
+    {
+        return $this->hash;
+    }
+
+    /** @return string */
+    public function toString()
+    {
+        return $this->encoded;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Signer\Key;
+
+/**
+ * Basic interface for token signers
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+interface Signer
+{
+    /**
+     * Returns the algorithm id
+     *
+     * @return string
+     */
+    public function getAlgorithmId();
+
+    /**
+     * Apply changes on headers according with algorithm
+     *
+     * @param array $headers
+     */
+    public function modifyHeader(array &$headers);
+
+    /**
+     * Returns a signature for given data
+     *
+     * @param string $payload
+     * @param Key|string $key
+     *
+     * @return Signature
+     *
+     * @throws InvalidArgumentException When given key is invalid
+     */
+    public function sign($payload, $key);
+
+    /**
+     * Returns if the expected hash matches with the data and key
+     *
+     * @param string $expected
+     * @param string $payload
+     * @param Key|string $key
+     *
+     * @return boolean
+     *
+     * @throws InvalidArgumentException When given key is invalid
+     */
+    public function verify($expected, $payload, $key);
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/BaseSigner.php

@@ -0,0 +1,89 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer;
+
+use Lcobucci\JWT\Signature;
+use Lcobucci\JWT\Signer;
+use function trigger_error;
+use const E_USER_DEPRECATED;
+
+/**
+ * Base class for signers
+ *
+ * @deprecated This class will be removed on v4
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+abstract class BaseSigner implements Signer
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function modifyHeader(array &$headers)
+    {
+        $headers['alg'] = $this->getAlgorithmId();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function sign($payload, $key)
+    {
+        return new Signature($this->createHash($payload, $this->getKey($key)));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function verify($expected, $payload, $key)
+    {
+        return $this->doVerify($expected, $payload, $this->getKey($key));
+    }
+
+    /**
+     * @param Key|string $key
+     *
+     * @return Key
+     */
+    private function getKey($key)
+    {
+        if (is_string($key)) {
+            trigger_error('Implicit conversion of keys from strings is deprecated. Please use InMemory or LocalFileReference classes.', E_USER_DEPRECATED);
+
+            $key = new Key($key);
+        }
+
+        return $key;
+    }
+
+    /**
+     * Creates a hash with the given data
+     *
+     * @internal
+     *
+     * @param string $payload
+     * @param Key $key
+     *
+     * @return string
+     */
+    abstract public function createHash($payload, Key $key);
+
+    /**
+     * Performs the signature verification
+     *
+     * @internal
+     *
+     * @param string $expected
+     * @param string $payload
+     * @param Key $key
+     *
+     * @return boolean
+     */
+    abstract public function doVerify($expected, $payload, Key $key);
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/CannotSignPayload.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Lcobucci\JWT\Signer;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+final class CannotSignPayload extends InvalidArgumentException implements Exception
+{
+    /**
+     * @pararm string $error
+     *
+     * @return self
+     */
+    public static function errorHappened($error)
+    {
+        return new self('There was an error while creating the signature: ' . $error);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer;
+
+use Lcobucci\JWT\Signer\Ecdsa\MultibyteStringConverter;
+use Lcobucci\JWT\Signer\Ecdsa\SignatureConverter;
+use const OPENSSL_KEYTYPE_EC;
+
+/**
+ * Base class for ECDSA signers
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+abstract class Ecdsa extends OpenSSL
+{
+    /**
+     * @var SignatureConverter
+     */
+    private $converter;
+
+    public function __construct(SignatureConverter $converter = null)
+    {
+        $this->converter = $converter ?: new MultibyteStringConverter();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createHash($payload, Key $key)
+    {
+        return $this->converter->fromAsn1(
+            parent::createHash($payload, $key),
+            $this->getKeyLength()
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function doVerify($expected, $payload, Key $key)
+    {
+        return parent::doVerify(
+            $this->converter->toAsn1($expected, $this->getKeyLength()),
+            $payload,
+            $key
+        );
+    }
+
+    /**
+     * Returns the length of each point in the signature, so that we can calculate and verify R and S points properly
+     *
+     * @internal
+     */
+    abstract public function getKeyLength();
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function getKeyType()
+    {
+        return OPENSSL_KEYTYPE_EC;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa/ConversionFailed.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+final class ConversionFailed extends InvalidArgumentException implements Exception
+{
+    /** @return self */
+    public static function invalidLength()
+    {
+        return new self('Invalid signature length.');
+    }
+
+    /** @return self */
+    public static function incorrectStartSequence()
+    {
+        return new self('Invalid data. Should start with a sequence.');
+    }
+
+    /** @return self */
+    public static function integerExpected()
+    {
+        return new self('Invalid data. Should contain an integer.');
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa/MultibyteStringConverter.php

@@ -0,0 +1,133 @@
+<?php
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ *
+ * @link https://github.com/web-token/jwt-framework/blob/v1.2/src/Component/Core/Util/ECSignature.php
+ */
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+use function bin2hex;
+use function dechex;
+use function hex2bin;
+use function hexdec;
+use function mb_strlen;
+use function mb_substr;
+use function str_pad;
+use const STR_PAD_LEFT;
+
+/**
+ * ECDSA signature converter using ext-mbstring
+ *
+ * @internal
+ */
+final class MultibyteStringConverter implements SignatureConverter
+{
+    const ASN1_SEQUENCE          = '30';
+    const ASN1_INTEGER           = '02';
+    const ASN1_MAX_SINGLE_BYTE   = 128;
+    const ASN1_LENGTH_2BYTES     = '81';
+    const ASN1_BIG_INTEGER_LIMIT = '7f';
+    const ASN1_NEGATIVE_INTEGER  = '00';
+    const BYTE_SIZE              = 2;
+
+    public function toAsn1($signature, $length)
+    {
+        $signature = bin2hex($signature);
+
+        if (self::octetLength($signature) !== $length) {
+            throw ConversionFailed::invalidLength();
+        }
+
+        $pointR = self::preparePositiveInteger(mb_substr($signature, 0, $length, '8bit'));
+        $pointS = self::preparePositiveInteger(mb_substr($signature, $length, null, '8bit'));
+
+        $lengthR = self::octetLength($pointR);
+        $lengthS = self::octetLength($pointS);
+
+        $totalLength  = $lengthR + $lengthS + self::BYTE_SIZE + self::BYTE_SIZE;
+        $lengthPrefix = $totalLength > self::ASN1_MAX_SINGLE_BYTE ? self::ASN1_LENGTH_2BYTES : '';
+
+        $asn1 = hex2bin(
+            self::ASN1_SEQUENCE
+            . $lengthPrefix . dechex($totalLength)
+            . self::ASN1_INTEGER . dechex($lengthR) . $pointR
+            . self::ASN1_INTEGER . dechex($lengthS) . $pointS
+        );
+
+        return $asn1;
+    }
+
+    private static function octetLength($data)
+    {
+        return (int) (mb_strlen($data, '8bit') / self::BYTE_SIZE);
+    }
+
+    private static function preparePositiveInteger($data)
+    {
+        if (mb_substr($data, 0, self::BYTE_SIZE, '8bit') > self::ASN1_BIG_INTEGER_LIMIT) {
+            return self::ASN1_NEGATIVE_INTEGER . $data;
+        }
+
+        while (mb_substr($data, 0, self::BYTE_SIZE, '8bit') === self::ASN1_NEGATIVE_INTEGER
+            && mb_substr($data, 2, self::BYTE_SIZE, '8bit') <= self::ASN1_BIG_INTEGER_LIMIT) {
+            $data = mb_substr($data, 2, null, '8bit');
+        }
+
+        return $data;
+    }
+
+    public function fromAsn1($signature, $length)
+    {
+        $message  = bin2hex($signature);
+        $position = 0;
+
+        if (self::readAsn1Content($message, $position, self::BYTE_SIZE) !== self::ASN1_SEQUENCE) {
+            throw ConversionFailed::incorrectStartSequence();
+        }
+
+        if (self::readAsn1Content($message, $position, self::BYTE_SIZE) === self::ASN1_LENGTH_2BYTES) {
+            $position += self::BYTE_SIZE;
+        }
+
+        $pointR = self::retrievePositiveInteger(self::readAsn1Integer($message, $position));
+        $pointS = self::retrievePositiveInteger(self::readAsn1Integer($message, $position));
+
+        $points = hex2bin(str_pad($pointR, $length, '0', STR_PAD_LEFT) . str_pad($pointS, $length, '0', STR_PAD_LEFT));
+
+        return $points;
+    }
+
+    private static function readAsn1Content($message, &$position, $length)
+    {
+        $content   = mb_substr($message, $position, $length, '8bit');
+        $position += $length;
+
+        return $content;
+    }
+
+    private static function readAsn1Integer($message, &$position)
+    {
+        if (self::readAsn1Content($message, $position, self::BYTE_SIZE) !== self::ASN1_INTEGER) {
+            throw ConversionFailed::integerExpected();
+        }
+
+        $length = (int) hexdec(self::readAsn1Content($message, $position, self::BYTE_SIZE));
+
+        return self::readAsn1Content($message, $position, $length * self::BYTE_SIZE);
+    }
+
+    private static function retrievePositiveInteger($data)
+    {
+        while (mb_substr($data, 0, self::BYTE_SIZE, '8bit') === self::ASN1_NEGATIVE_INTEGER
+            && mb_substr($data, 2, self::BYTE_SIZE, '8bit') > self::ASN1_BIG_INTEGER_LIMIT) {
+            $data = mb_substr($data, 2, null, '8bit');
+        }
+
+        return $data;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa/Sha256.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+use Lcobucci\JWT\Signer\Ecdsa;
+
+/**
+ * Signer for ECDSA SHA-256
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+class Sha256 extends Ecdsa
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'ES256';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return 'sha256';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getKeyLength()
+    {
+        return 64;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa/Sha384.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+use Lcobucci\JWT\Signer\Ecdsa;
+
+/**
+ * Signer for ECDSA SHA-384
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+class Sha384 extends Ecdsa
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'ES384';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return 'sha384';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getKeyLength()
+    {
+        return 96;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa/Sha512.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+use Lcobucci\JWT\Signer\Ecdsa;
+
+/**
+ * Signer for ECDSA SHA-512
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+class Sha512 extends Ecdsa
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'ES512';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return 'sha512';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getKeyLength()
+    {
+        return 132;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Ecdsa/SignatureConverter.php

@@ -0,0 +1,38 @@
+<?php
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+/**
+ * Manipulates the result of a ECDSA signature (points R and S) according to the
+ * JWA specs.
+ *
+ * OpenSSL creates a signature using the ASN.1 format and, according the JWA specs,
+ * the signature for JWTs must be the concatenated values of points R and S (in
+ * big-endian octet order).
+ *
+ * @internal
+ *
+ * @see https://tools.ietf.org/html/rfc7518#page-9
+ * @see https://en.wikipedia.org/wiki/Abstract_Syntax_Notation_One
+ */
+interface SignatureConverter
+{
+    /**
+     * Converts the signature generated by OpenSSL into what JWA defines
+     *
+     * @param string $signature
+     * @param int $length
+     *
+     * @return string
+     */
+    public function fromAsn1($signature, $length);
+
+    /**
+     * Converts the JWA signature into something OpenSSL understands
+     *
+     * @param string $points
+     * @param int $length
+     *
+     * @return string
+     */
+    public function toAsn1($points, $length);
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Hmac.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer;
+
+/**
+ * Base class for hmac signers
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+abstract class Hmac extends BaseSigner
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function createHash($payload, Key $key)
+    {
+        return hash_hmac($this->getAlgorithm(), $payload, $key->getContent(), true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function doVerify($expected, $payload, Key $key)
+    {
+        if (!is_string($expected)) {
+            return false;
+        }
+
+        return hash_equals($expected, $this->createHash($payload, $key));
+    }
+
+    /**
+     * Returns the algorithm name
+     *
+     * @internal
+     *
+     * @return string
+     */
+    abstract public function getAlgorithm();
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Hmac/Sha256.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Hmac;
+
+use Lcobucci\JWT\Signer\Hmac;
+
+/**
+ * Signer for HMAC SHA-256
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Sha256 extends Hmac
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'HS256';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return 'sha256';
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Hmac/Sha384.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Hmac;
+
+use Lcobucci\JWT\Signer\Hmac;
+
+/**
+ * Signer for HMAC SHA-384
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Sha384 extends Hmac
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'HS384';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return 'sha384';
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Hmac/Sha512.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Hmac;
+
+use Lcobucci\JWT\Signer\Hmac;
+
+/**
+ * Signer for HMAC SHA-512
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Sha512 extends Hmac
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'HS512';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return 'sha512';
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/InvalidKeyProvided.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Lcobucci\JWT\Signer;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+final class InvalidKeyProvided extends InvalidArgumentException implements Exception
+{
+    /**
+     * @param string $details
+     *
+     * @return self
+     */
+    public static function cannotBeParsed($details)
+    {
+        return new self('It was not possible to parse your key, reason: ' . $details);
+    }
+
+    /** @return self */
+    public static function incompatibleKey()
+    {
+        return new self('This key is not compatible with this signer');
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Key.php

@@ -0,0 +1,117 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer;
+
+use Exception;
+use InvalidArgumentException;
+use Lcobucci\JWT\Signer\Key\FileCouldNotBeRead;
+use SplFileObject;
+
+use function strpos;
+use function substr;
+
+/**
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 3.0.4
+ */
+class Key
+{
+    /**
+     * @var string
+     */
+    protected $content;
+
+    /**
+     * @var string
+     */
+    private $passphrase;
+
+    /**
+     * @param string $content
+     * @param string $passphrase
+     */
+    public function __construct($content, $passphrase = '')
+    {
+        $this->setContent($content);
+        $this->passphrase = $passphrase;
+    }
+
+    /**
+     * @param string $content
+     *
+     * @throws InvalidArgumentException
+     */
+    private function setContent($content)
+    {
+        if (strpos($content, 'file://') === 0) {
+            $content = $this->readFile($content);
+        }
+
+        $this->content = $content;
+    }
+
+    /**
+     * @param string $content
+     *
+     * @return string
+     *
+     * @throws InvalidArgumentException
+     */
+    private function readFile($content)
+    {
+        $path = substr($content, 7);
+
+        try {
+            $file = new SplFileObject($path);
+        } catch (Exception $exception) {
+            throw FileCouldNotBeRead::onPath($path, $exception);
+        }
+
+        $content = '';
+
+        while (! $file->eof()) {
+            $content .= $file->fgets();
+        }
+
+        return $content;
+    }
+
+    /** @return string */
+    public function contents()
+    {
+        return $this->content;
+    }
+
+    /** @return string */
+    public function passphrase()
+    {
+        return $this->passphrase;
+    }
+
+    /**
+     * @deprecated This method is no longer part of the public interface
+     * @see Key::contents()
+     *
+     * @return string
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * @deprecated This method is no longer part of the public interface
+     * @see Key::passphrase()
+     *
+     * @return string
+     */
+    public function getPassphrase()
+    {
+        return $this->passphrase;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Key/FileCouldNotBeRead.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Lcobucci\JWT\Signer\Key;
+
+use Lcobucci\JWT\Exception;
+use InvalidArgumentException;
+
+if (PHP_MAJOR_VERSION === 7) {
+    final class FileCouldNotBeRead extends InvalidArgumentException implements Exception
+    {
+        /** @return self */
+        public static function onPath(string $path, \Throwable $cause = null)
+        {
+            return new self(
+                'The path "' . $path . '" does not contain a valid key file',
+                0,
+                $cause
+            );
+        }
+    }
+} else {
+    final class FileCouldNotBeRead extends InvalidArgumentException implements Exception
+    {
+        /**
+         * @param string $path
+         * @param \Exception|null $cause
+         *
+         * @return self
+         */
+        public static function onPath($path, \Exception $cause = null)
+        {
+            return new self(
+                'The path "' . $path . '" does not contain a valid key file',
+                0,
+                $cause
+            );
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Key/InMemory.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Lcobucci\JWT\Signer\Key;
+
+use Lcobucci\JWT\Encoding\CannotDecodeContent;
+use Lcobucci\JWT\Signer\Key;
+
+use function base64_decode;
+
+final class InMemory extends Key
+{
+    /**
+     * @param string $contents
+     * @param string $passphrase
+     *
+     * @return self
+     */
+    public static function plainText($contents, $passphrase = '')
+    {
+        return new self($contents, $passphrase);
+    }
+
+    /**
+     * @param string $contents
+     * @param string $passphrase
+     *
+     * @return self
+     */
+    public static function base64Encoded($contents, $passphrase = '')
+    {
+        $decoded = base64_decode($contents, true);
+
+        if ($decoded === false) {
+            throw CannotDecodeContent::invalidBase64String();
+        }
+
+        return new self($decoded, $passphrase);
+    }
+
+    /**
+     * @param string $path
+     * @param string $passphrase
+     *
+     * @return InMemory
+     *
+     * @throws FileCouldNotBeRead
+     */
+    public static function file($path, $passphrase = '')
+    {
+        return new self('file://' . $path, $passphrase);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Key/LocalFileReference.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Lcobucci\JWT\Signer\Key;
+
+use Lcobucci\JWT\Signer\Key;
+
+use function file_exists;
+use function strpos;
+use function substr;
+
+final class LocalFileReference extends Key
+{
+    const PATH_PREFIX = 'file://';
+
+    /**
+     * @param string $path
+     * @param string $passphrase
+     *
+     * @return self
+     *
+     * @throws FileCouldNotBeRead
+     */
+    public static function file($path, $passphrase = '')
+    {
+        if (strpos($path, self::PATH_PREFIX) === 0) {
+            $path = substr($path, 7);
+        }
+
+        if (! file_exists($path)) {
+            throw FileCouldNotBeRead::onPath($path);
+        }
+
+        $key = new self('', $passphrase);
+        $key->content = self::PATH_PREFIX . $path;
+
+        return $key;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Keychain.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer;
+
+/**
+ * A utilitarian class that encapsulates the retrieval of public and private keys
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ *
+ * @deprecated Since we've removed OpenSSL from ECDSA there's no reason to use this class
+ */
+class Keychain
+{
+    /**
+     * Returns a private key from file path or content
+     *
+     * @param string $key
+     * @param string $passphrase
+     *
+     * @return Key
+     */
+    public function getPrivateKey($key, $passphrase = null)
+    {
+        return new Key($key, $passphrase);
+    }
+
+    /**
+     * Returns a public key from file path or content
+     *
+     * @param string $certificate
+     *
+     * @return Key
+     */
+    public function getPublicKey($certificate)
+    {
+        return new Key($certificate);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/None.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Lcobucci\JWT\Signer;
+
+final class None extends BaseSigner
+{
+    public function getAlgorithmId()
+    {
+        return 'none';
+    }
+
+    public function createHash($payload, Key $key)
+    {
+        return '';
+    }
+
+    public function doVerify($expected, $payload, Key $key)
+    {
+        return $expected === '';
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/OpenSSL.php

@@ -0,0 +1,108 @@
+<?php
+namespace Lcobucci\JWT\Signer;
+
+use InvalidArgumentException;
+use function is_resource;
+use function openssl_error_string;
+use function openssl_free_key;
+use function openssl_pkey_get_details;
+use function openssl_pkey_get_private;
+use function openssl_pkey_get_public;
+use function openssl_sign;
+use function openssl_verify;
+
+abstract class OpenSSL extends BaseSigner
+{
+    public function createHash($payload, Key $key)
+    {
+        $privateKey = $this->getPrivateKey($key->getContent(), $key->getPassphrase());
+
+        try {
+            $signature = '';
+
+            if (! openssl_sign($payload, $signature, $privateKey, $this->getAlgorithm())) {
+                throw CannotSignPayload::errorHappened(openssl_error_string());
+            }
+
+            return $signature;
+        } finally {
+            openssl_free_key($privateKey);
+        }
+    }
+
+    /**
+     * @param string $pem
+     * @param string $passphrase
+     *
+     * @return resource
+     */
+    private function getPrivateKey($pem, $passphrase)
+    {
+        $privateKey = openssl_pkey_get_private($pem, $passphrase);
+        $this->validateKey($privateKey);
+
+        return $privateKey;
+    }
+
+    /**
+     * @param $expected
+     * @param $payload
+     * @param $key
+     * @return bool
+     */
+    public function doVerify($expected, $payload, Key $key)
+    {
+        $publicKey = $this->getPublicKey($key->getContent());
+        $result    = openssl_verify($payload, $expected, $publicKey, $this->getAlgorithm());
+        openssl_free_key($publicKey);
+
+        return $result === 1;
+    }
+
+    /**
+     * @param string $pem
+     *
+     * @return resource
+     */
+    private function getPublicKey($pem)
+    {
+        $publicKey = openssl_pkey_get_public($pem);
+        $this->validateKey($publicKey);
+
+        return $publicKey;
+    }
+
+    /**
+     * Raises an exception when the key type is not the expected type
+     *
+     * @param resource|bool $key
+     *
+     * @throws InvalidArgumentException
+     */
+    private function validateKey($key)
+    {
+        if (! is_resource($key)) {
+            throw InvalidKeyProvided::cannotBeParsed(openssl_error_string());
+        }
+
+        $details = openssl_pkey_get_details($key);
+
+        if (! isset($details['key']) || $details['type'] !== $this->getKeyType()) {
+            throw InvalidKeyProvided::incompatibleKey();
+        }
+    }
+
+    /**
+     * Returns the type of key to be used to create/verify the signature (using OpenSSL constants)
+     *
+     * @internal
+     */
+    abstract public function getKeyType();
+
+    /**
+     * Returns which algorithm to be used to create/verify the signature (using OpenSSL constants)
+     *
+     * @internal
+     */
+    abstract public function getAlgorithm();
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Rsa.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer;
+
+use const OPENSSL_KEYTYPE_RSA;
+
+/**
+ * Base class for RSASSA-PKCS1 signers
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+abstract class Rsa extends OpenSSL
+{
+    final public function getKeyType()
+    {
+        return OPENSSL_KEYTYPE_RSA;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Rsa/Sha256.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Rsa;
+
+use Lcobucci\JWT\Signer\Rsa;
+
+/**
+ * Signer for RSA SHA-256
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+class Sha256 extends Rsa
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'RS256';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return OPENSSL_ALGO_SHA256;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Rsa/Sha384.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Rsa;
+
+use Lcobucci\JWT\Signer\Rsa;
+
+/**
+ * Signer for RSA SHA-384
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+class Sha384 extends Rsa
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'RS384';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return OPENSSL_ALGO_SHA384;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Signer/Rsa/Sha512.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT\Signer\Rsa;
+
+use Lcobucci\JWT\Signer\Rsa;
+
+/**
+ * Signer for RSA SHA-512
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.1.0
+ */
+class Sha512 extends Rsa
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithmId()
+    {
+        return 'RS512';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlgorithm()
+    {
+        return OPENSSL_ALGO_SHA512;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Token.php

@@ -0,0 +1,430 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+use DateTimeImmutable;
+use DateTimeInterface;
+use Generator;
+use Lcobucci\JWT\Claim\Factory;
+use Lcobucci\JWT\Claim\Validatable;
+use Lcobucci\JWT\Signer\Key;
+use Lcobucci\JWT\Token\DataSet;
+use Lcobucci\JWT\Token\RegisteredClaims;
+use OutOfBoundsException;
+use function current;
+use function func_num_args;
+use function in_array;
+use function is_array;
+use function sprintf;
+use function trigger_error;
+use const E_USER_DEPRECATED;
+
+/**
+ * Basic structure of the JWT
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 0.1.0
+ */
+class Token
+{
+    /**
+     * The token headers
+     *
+     * @var DataSet
+     */
+    private $headers;
+
+    /**
+     * The token claim set
+     *
+     * @var DataSet
+     */
+    private $claims;
+
+    /**
+     * The token signature
+     *
+     * @var Signature
+     */
+    private $signature;
+
+    /**
+     * @internal This serves just as compatibility layer
+     *
+     * @var Factory
+     */
+    private $claimFactory;
+
+    /**
+     * Initializes the object
+     *
+     * @param array|DataSet $headers
+     * @param array|DataSet $claims
+     * @param Signature|null $signature
+     * @param array $payload
+     * @param Factory|null $claimFactory
+     */
+    public function __construct(
+        $headers = ['alg' => 'none'],
+        $claims = [],
+        Signature $signature = null,
+        array $payload = ['', ''],
+        Factory $claimFactory = null
+    ) {
+        $this->headers = $this->convertToDataSet($headers, $payload[0]);
+        $this->claims = $this->convertToDataSet($claims, $payload[1]);
+        $this->signature = $signature ?: Signature::fromEmptyData();
+        $this->claimFactory = $claimFactory ?: new Factory();
+    }
+
+    /**
+     * @param array|DataSet $data
+     * @param string $payload
+     */
+    private function convertToDataSet($data, $payload)
+    {
+        if ($data instanceof DataSet) {
+            return $data;
+        }
+
+        return new DataSet($data, $payload);
+    }
+
+    /** @return DataSet */
+    public function headers()
+    {
+        return $this->headers;
+    }
+
+    /**
+     * Returns the token headers
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::headers()
+     *
+     * @return array
+     */
+    public function getHeaders()
+    {
+        $items = [];
+
+        foreach ($this->headers->all() as $name => $value) {
+            if (! in_array($name, RegisteredClaims::ALL, true) || ! $this->claims->has($name)) {
+                $items[$name] = $value;
+                continue;
+            }
+
+            $items[$name] = $this->claimFactory->create($name, $value);
+        }
+
+        return $items;
+    }
+
+    /**
+     * Returns if the header is configured
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::headers()
+     * @see DataSet::has()
+     *
+     * @param string $name
+     *
+     * @return boolean
+     */
+    public function hasHeader($name)
+    {
+        return $this->headers->has($name);
+    }
+
+    /**
+     * Returns the value of a token header
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::headers()
+     * @see DataSet::has()
+     *
+     * @param string $name
+     * @param mixed $default
+     *
+     * @return mixed
+     *
+     * @throws OutOfBoundsException
+     */
+    public function getHeader($name, $default = null)
+    {
+        if (func_num_args() === 1 && ! $this->headers->has($name)) {
+            throw new OutOfBoundsException(sprintf('Requested header "%s" is not configured', $name));
+        }
+
+        return $this->headers->get($name, $default);
+    }
+
+    /** @return DataSet */
+    public function claims()
+    {
+        return $this->claims;
+    }
+
+    /**
+     * Returns the token claim set
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::claims()
+     *
+     * @return array
+     */
+    public function getClaims()
+    {
+        $items = [];
+
+        foreach ($this->claims->all() as $name => $value) {
+            $items[$name] = $this->claimFactory->create($name, $value);
+        }
+
+        return $items;
+    }
+
+    /**
+     * Returns if the claim is configured
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::claims()
+     * @see DataSet::has()
+     *
+     * @param string $name
+     *
+     * @return boolean
+     */
+    public function hasClaim($name)
+    {
+        return $this->claims->has($name);
+    }
+
+    /**
+     * Returns the value of a token claim
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::claims()
+     * @see DataSet::get()
+     *
+     * @param string $name
+     * @param mixed $default
+     *
+     * @return mixed
+     *
+     * @throws OutOfBoundsException
+     */
+    public function getClaim($name, $default = null)
+    {
+        if (func_num_args() === 1 && ! $this->claims->has($name)) {
+            throw new OutOfBoundsException(sprintf('Requested header "%s" is not configured', $name));
+        }
+
+        $value = $this->claims->get($name, $default);
+
+        if ($value instanceof DateTimeImmutable && in_array($name, RegisteredClaims::DATE_CLAIMS, true)) {
+            return $value->getTimestamp();
+        }
+
+        if ($name === RegisteredClaims::AUDIENCE && is_array($value)) {
+            if (count($value) > 1) {
+                trigger_error('You will only get the first array entry as a string. Use Token::claims()->get() instead.', E_USER_DEPRECATED);
+            }
+            return current($value);
+        }
+
+        return $value;
+    }
+
+    /**
+     * Verify if the key matches with the one that created the signature
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see \Lcobucci\JWT\Validation\Validator
+     *
+     * @param Signer $signer
+     * @param Key|string $key
+     *
+     * @return boolean
+     */
+    public function verify(Signer $signer, $key)
+    {
+        if ($this->headers->get('alg') !== $signer->getAlgorithmId()) {
+            return false;
+        }
+
+        return $this->signature->verify($signer, $this->getPayload(), $key);
+    }
+
+    /**
+     * Validates if the token is valid
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see \Lcobucci\JWT\Validation\Validator
+     *
+     * @param ValidationData $data
+     *
+     * @return boolean
+     */
+    public function validate(ValidationData $data)
+    {
+        foreach ($this->getValidatableClaims() as $claim) {
+            if (!$claim->validate($data)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Determine if the token is expired.
+     *
+     * @param DateTimeInterface|null $now Defaults to the current time.
+     *
+     * @return bool
+     */
+    public function isExpired(DateTimeInterface $now = null)
+    {
+        if (! $this->claims->has('exp')) {
+            return false;
+        }
+
+        if ($now === null) {
+            trigger_error('Not providing the current time is deprecated. Please pass an instance of DateTimeInterface.', E_USER_DEPRECATED);
+        }
+
+        $now = $now ?: new DateTimeImmutable();
+
+        return $now >= $this->claims->get(RegisteredClaims::EXPIRATION_TIME);
+    }
+
+    /**
+     * @param string $audience
+     *
+     * @return bool
+     */
+    public function isPermittedFor($audience)
+    {
+        return in_array($audience, $this->claims->get(RegisteredClaims::AUDIENCE, []), true);
+    }
+
+    /**
+     * @param string $id
+     *
+     * @return bool
+     */
+    public function isIdentifiedBy($id)
+    {
+        return $this->claims->get(RegisteredClaims::ID) === $id;
+    }
+
+    /**
+     * @param string $subject
+     *
+     * @return bool
+     */
+    public function isRelatedTo($subject)
+    {
+        return $this->claims->get(RegisteredClaims::SUBJECT) === $subject;
+    }
+
+    /**
+     * @param list<string> $issuers
+     *
+     * @return bool
+     */
+    public function hasBeenIssuedBy(...$issuers)
+    {
+        return in_array($this->claims->get(RegisteredClaims::ISSUER), $issuers, true);
+    }
+
+    /**
+     * @param DateTimeInterface $now
+     *
+     * @return bool
+     */
+    public function hasBeenIssuedBefore(DateTimeInterface $now)
+    {
+        return $now >= $this->claims->get(RegisteredClaims::ISSUED_AT);
+    }
+
+    /**
+     * @param DateTimeInterface $now
+     *
+     * @return bool
+     */
+    public function isMinimumTimeBefore(DateTimeInterface $now)
+    {
+        return $now >= $this->claims->get(RegisteredClaims::NOT_BEFORE);
+    }
+
+    /**
+     * Yields the validatable claims
+     *
+     * @return Generator
+     */
+    private function getValidatableClaims()
+    {
+        foreach ($this->getClaims() as $claim) {
+            if ($claim instanceof Validatable) {
+                yield $claim;
+            }
+        }
+    }
+
+    /**
+     * Returns the token payload
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::payload()
+     *
+     * @return string
+     */
+    public function getPayload()
+    {
+        return $this->payload();
+    }
+
+    /**
+     * Returns the token payload
+     *
+     * @return string
+     */
+    public function payload()
+    {
+        return $this->headers->toString() . '.' . $this->claims->toString();
+    }
+
+    /** @return Signature */
+    public function signature()
+    {
+        return $this->signature;
+    }
+
+    /**
+     * Returns an encoded representation of the token
+     *
+     * @deprecated This method has been removed from the interface in v4.0
+     * @see Token::toString()
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return $this->toString();
+    }
+
+    /** @return string */
+    public function toString()
+    {
+        return $this->headers->toString() . '.'
+             . $this->claims->toString() . '.'
+             . $this->signature->toString();
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/DataSet.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+use function array_key_exists;
+
+final class DataSet
+{
+    /** @var array<string, mixed> */
+    private $data;
+    /** @var string */
+    private $encoded;
+
+    /**
+     * @param array<string, mixed> $data
+     * @param string               $encoded
+     */
+    public function __construct(array $data, $encoded)
+    {
+        $this->data    = $data;
+        $this->encoded = $encoded;
+    }
+
+    /**
+     * @param string     $name
+     * @param mixed|null $default
+     *
+     * @return mixed|null
+     */
+    public function get($name, $default = null)
+    {
+        return $this->has($name) ? $this->data[$name] : $default;
+    }
+
+    /**
+     * @param string $name
+     *
+     * @return bool
+     */
+    public function has($name)
+    {
+        return array_key_exists($name, $this->data);
+    }
+
+    /** @return array<string, mixed> */
+    public function all()
+    {
+        return $this->data;
+    }
+
+    /** @return string */
+    public function toString()
+    {
+        return $this->encoded;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/InvalidTokenStructure.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+final class InvalidTokenStructure extends InvalidArgumentException implements Exception
+{
+    /** @return self */
+    public static function missingOrNotEnoughSeparators()
+    {
+        return new self('The JWT string must have two dots');
+    }
+
+    /**
+     * @param string $part
+     *
+     * @return self
+     */
+    public static function arrayExpected($part)
+    {
+        return new self($part . ' must be an array');
+    }
+
+    /**
+     * @param string $value
+     *
+     * @return self
+     */
+    public static function dateIsNotParseable($value)
+    {
+        return new self('Value is not in the allowed date format: ' . $value);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/Plain.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+use Lcobucci\JWT\Token;
+use function class_alias;
+
+class_exists(Plain::class, false) || class_alias(Token::class, Plain::class);

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/RegisteredClaimGiven.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+use function sprintf;
+
+final class RegisteredClaimGiven extends InvalidArgumentException implements Exception
+{
+    const DEFAULT_MESSAGE = 'Builder#withClaim() is meant to be used for non-registered claims, '
+                                  . 'check the documentation on how to set claim "%s"';
+
+    /**
+     * @param string $name
+     *
+     * @return self
+     */
+    public static function forClaim($name)
+    {
+        return new self(sprintf(self::DEFAULT_MESSAGE, $name));
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/RegisteredClaims.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+/**
+ * Defines the list of claims that are registered in the IANA "JSON Web Token Claims" registry
+ *
+ * @see https://tools.ietf.org/html/rfc7519#section-4.1
+ */
+interface RegisteredClaims
+{
+    const ALL = [
+        self::AUDIENCE,
+        self::EXPIRATION_TIME,
+        self::ID,
+        self::ISSUED_AT,
+        self::ISSUER,
+        self::NOT_BEFORE,
+        self::SUBJECT,
+    ];
+
+    const DATE_CLAIMS = [
+        self::ISSUED_AT,
+        self::NOT_BEFORE,
+        self::EXPIRATION_TIME,
+    ];
+
+    /**
+     * Identifies the recipients that the JWT is intended for
+     *
+     * @see https://tools.ietf.org/html/rfc7519#section-4.1.3
+     */
+    const AUDIENCE = 'aud';
+
+    /**
+     * Identifies the expiration time on or after which the JWT MUST NOT be accepted for processing
+     *
+     * @see https://tools.ietf.org/html/rfc7519#section-4.1.4
+     */
+    const EXPIRATION_TIME = 'exp';
+
+    /**
+     * Provides a unique identifier for the JWT
+     *
+     * @see https://tools.ietf.org/html/rfc7519#section-4.1.7
+     */
+    const ID = 'jti';
+
+    /**
+     * Identifies the time at which the JWT was issued
+     *
+     * @see https://tools.ietf.org/html/rfc7519#section-4.1.6
+     */
+    const ISSUED_AT = 'iat';
+
+    /**
+     * Identifies the principal that issued the JWT
+     *
+     * @see https://tools.ietf.org/html/rfc7519#section-4.1.1
+     */
+    const ISSUER = 'iss';
+
+    /**
+     * Identifies the time before which the JWT MUST NOT be accepted for processing
+     *
+     * https://tools.ietf.org/html/rfc7519#section-4.1.5
+     */
+    const NOT_BEFORE = 'nbf';
+
+    /**
+     * Identifies the principal that is the subject of the JWT.
+     *
+     * https://tools.ietf.org/html/rfc7519#section-4.1.2
+     */
+    const SUBJECT = 'sub';
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/Signature.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+use Lcobucci\JWT\Signature as SignatureImpl;
+use function class_alias;
+
+class_exists(Signature::class, false) || class_alias(SignatureImpl::class, Signature::class);

modules/ps_facebook/vendor/lcobucci/jwt/src/Token/UnsupportedHeaderFound.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Lcobucci\JWT\Token;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+final class UnsupportedHeaderFound extends InvalidArgumentException implements Exception
+{
+    /** @return self */
+    public static function encryption()
+    {
+        return new self('Encryption is not supported yet');
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Lcobucci\JWT\Validation;
+
+use Lcobucci\JWT\Token;
+
+interface Constraint
+{
+    /** @throws ConstraintViolation */
+    public function assert(Token $token);
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/IdentifiedBy.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use Lcobucci\JWT\Token;
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\ConstraintViolation;
+
+final class IdentifiedBy implements Constraint
+{
+    /** @var string */
+    private $id;
+
+    /** @param string $id */
+    public function __construct($id)
+    {
+        $this->id = $id;
+    }
+
+    public function assert(Token $token)
+    {
+        if (! $token->isIdentifiedBy($this->id)) {
+            throw new ConstraintViolation(
+                'The token is not identified with the expected ID'
+            );
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/IssuedBy.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use Lcobucci\JWT\Token;
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\ConstraintViolation;
+
+final class IssuedBy implements Constraint
+{
+    /** @var string[] */
+    private $issuers;
+
+    /** @param list<string> $issuers */
+    public function __construct(...$issuers)
+    {
+        $this->issuers = $issuers;
+    }
+
+    public function assert(Token $token)
+    {
+        if (! $token->hasBeenIssuedBy(...$this->issuers)) {
+            throw new ConstraintViolation(
+                'The token was not issued by the given issuers'
+            );
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/LeewayCannotBeNegative.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use InvalidArgumentException;
+use Lcobucci\JWT\Exception;
+
+final class LeewayCannotBeNegative extends InvalidArgumentException implements Exception
+{
+    /** @return self */
+    public static function create()
+    {
+        return new self('Leeway cannot be negative');
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/PermittedFor.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use Lcobucci\JWT\Token;
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\ConstraintViolation;
+
+final class PermittedFor implements Constraint
+{
+    /** @var string  */
+    private $audience;
+
+    public function __construct($audience)
+    {
+        $this->audience = $audience;
+    }
+
+    public function assert(Token $token)
+    {
+        if (! $token->isPermittedFor($this->audience)) {
+            throw new ConstraintViolation(
+                'The token is not allowed to be used by this audience'
+            );
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/RelatedTo.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use Lcobucci\JWT\Token;
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\ConstraintViolation;
+
+final class RelatedTo implements Constraint
+{
+    /** @var string */
+    private $subject;
+
+    public function __construct($subject)
+    {
+        $this->subject = $subject;
+    }
+
+    public function assert(Token $token)
+    {
+        if (! $token->isRelatedTo($this->subject)) {
+            throw new ConstraintViolation(
+                'The token is not related to the expected subject'
+            );
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/SignedWith.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use Lcobucci\JWT\Signer;
+use Lcobucci\JWT\Token;
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\ConstraintViolation;
+
+final class SignedWith implements Constraint
+{
+    /** @var Signer */
+    private $signer;
+
+    /** @var Signer\Key */
+    private $key;
+
+    public function __construct(Signer $signer, Signer\Key $key)
+    {
+        $this->signer = $signer;
+        $this->key    = $key;
+    }
+
+    public function assert(Token $token)
+    {
+        if ($token->headers()->get('alg') !== $this->signer->getAlgorithmId()) {
+            throw new ConstraintViolation('Token signer mismatch');
+        }
+
+        if (! $this->signer->verify((string) $token->signature(), $token->getPayload(), $this->key)) {
+            throw new ConstraintViolation('Token signature mismatch');
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Constraint/ValidAt.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace Lcobucci\JWT\Validation\Constraint;
+
+use DateInterval;
+use DateTimeInterface;
+use Lcobucci\Clock\Clock;
+use Lcobucci\JWT\Token;
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\ConstraintViolation;
+
+final class ValidAt implements Constraint
+{
+    /** @var Clock */
+    private $clock;
+
+    /** @var DateInterval */
+    private $leeway;
+
+    public function __construct(Clock $clock, DateInterval $leeway = null)
+    {
+        $this->clock  = $clock;
+        $this->leeway = $this->guardLeeway($leeway);
+    }
+
+    /** @return DateInterval */
+    private function guardLeeway(DateInterval $leeway = null)
+    {
+        if ($leeway === null) {
+            return new DateInterval('PT0S');
+        }
+
+        if ($leeway->invert === 1) {
+            throw LeewayCannotBeNegative::create();
+        }
+
+        return $leeway;
+    }
+
+    public function assert(Token $token)
+    {
+        $now = $this->clock->now();
+
+        $this->assertIssueTime($token, $now->add($this->leeway));
+        $this->assertMinimumTime($token, $now->add($this->leeway));
+        $this->assertExpiration($token, $now->sub($this->leeway));
+    }
+
+    /** @throws ConstraintViolation */
+    private function assertExpiration(Token $token, DateTimeInterface $now)
+    {
+        if ($token->isExpired($now)) {
+            throw new ConstraintViolation('The token is expired');
+        }
+    }
+
+    /** @throws ConstraintViolation */
+    private function assertMinimumTime(Token $token, DateTimeInterface $now)
+    {
+        if (! $token->isMinimumTimeBefore($now)) {
+            throw new ConstraintViolation('The token cannot be used yet');
+        }
+    }
+
+    /** @throws ConstraintViolation */
+    private function assertIssueTime(Token $token, DateTimeInterface $now)
+    {
+        if (! $token->hasBeenIssuedBefore($now)) {
+            throw new ConstraintViolation('The token was issued in the future');
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/ConstraintViolation.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Lcobucci\JWT\Validation;
+
+use Lcobucci\JWT\Exception;
+use RuntimeException;
+
+final class ConstraintViolation extends RuntimeException implements Exception
+{
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/NoConstraintsGiven.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Lcobucci\JWT\Validation;
+
+use Lcobucci\JWT\Exception;
+use RuntimeException;
+
+final class NoConstraintsGiven extends RuntimeException implements Exception
+{
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/RequiredConstraintsViolated.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Lcobucci\JWT\Validation;
+
+use Lcobucci\JWT\Exception;
+use RuntimeException;
+
+use function array_map;
+use function implode;
+
+final class RequiredConstraintsViolated extends RuntimeException implements Exception
+{
+    /** @var ConstraintViolation[] */
+    private $violations = [];
+
+    /**
+     * @param ConstraintViolation ...$violations
+     * @return self
+     */
+    public static function fromViolations(ConstraintViolation ...$violations)
+    {
+        $exception             = new self(self::buildMessage($violations));
+        $exception->violations = $violations;
+
+        return $exception;
+    }
+
+    /**
+     * @param ConstraintViolation[] $violations
+     *
+     * @return string
+     */
+    private static function buildMessage(array $violations)
+    {
+        $violations = array_map(
+            static function (ConstraintViolation $violation) {
+                return '- ' . $violation->getMessage();
+            },
+            $violations
+        );
+
+        $message  = "The token violates some mandatory constraints, details:\n";
+        $message .= implode("\n", $violations);
+
+        return $message;
+    }
+
+    /** @return ConstraintViolation[] */
+    public function violations()
+    {
+        return $this->violations;
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validation/Validator.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Lcobucci\JWT\Validation;
+
+use Lcobucci\JWT\Token;
+
+final class Validator implements \Lcobucci\JWT\Validator
+{
+    public function assert(Token $token, Constraint ...$constraints)
+    {
+        if ($constraints === []) {
+            throw new NoConstraintsGiven('No constraint given.');
+        }
+
+        $violations = [];
+
+        foreach ($constraints as $constraint) {
+            $this->checkConstraint($constraint, $token, $violations);
+        }
+
+        if ($violations) {
+            throw RequiredConstraintsViolated::fromViolations(...$violations);
+        }
+    }
+
+    /** @param ConstraintViolation[] $violations */
+    private function checkConstraint(
+        Constraint $constraint,
+        Token $token,
+        array &$violations
+    ) {
+        try {
+            $constraint->assert($token);
+        } catch (ConstraintViolation $e) {
+            $violations[] = $e;
+        }
+    }
+
+    public function validate(Token $token, Constraint ...$constraints)
+    {
+        if ($constraints === []) {
+            throw new NoConstraintsGiven('No constraint given.');
+        }
+
+        try {
+            foreach ($constraints as $constraint) {
+                $constraint->assert($token);
+            }
+
+            return true;
+        } catch (ConstraintViolation $e) {
+            return false;
+        }
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/ValidationData.php

@@ -0,0 +1,132 @@
+<?php
+/**
+ * This file is part of Lcobucci\JWT, a simple library to handle JWT and JWS
+ *
+ * @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause
+ */
+
+namespace Lcobucci\JWT;
+
+/**
+ * Class that wraps validation values
+ *
+ * @deprecated This component has been removed from the interface in v4.0
+ * @see \Lcobucci\JWT\Validation\Validator
+ *
+ * @author Luís Otávio Cobucci Oblonczyk <lcobucci@gmail.com>
+ * @since 2.0.0
+ */
+class ValidationData
+{
+    /**
+     * The list of things to be validated
+     *
+     * @var array
+     */
+    private $items;
+
+    /**
+     * The leeway (in seconds) to use when validating time claims
+     * @var int
+     */
+    private $leeway;
+
+    /**
+     * Initializes the object
+     *
+     * @param int $currentTime
+     * @param int $leeway
+     */
+    public function __construct($currentTime = null, $leeway = 0)
+    {
+        $currentTime  = $currentTime ?: time();
+        $this->leeway = (int) $leeway;
+
+        $this->items = [
+            'jti' => null,
+            'iss' => null,
+            'aud' => null,
+            'sub' => null
+        ];
+
+        $this->setCurrentTime($currentTime);
+    }
+
+    /**
+     * Configures the id
+     *
+     * @param string $id
+     */
+    public function setId($id)
+    {
+        $this->items['jti'] = (string) $id;
+    }
+
+    /**
+     * Configures the issuer
+     *
+     * @param string $issuer
+     */
+    public function setIssuer($issuer)
+    {
+        $this->items['iss'] = (string) $issuer;
+    }
+
+    /**
+     * Configures the audience
+     *
+     * @param string $audience
+     */
+    public function setAudience($audience)
+    {
+        $this->items['aud'] = (string) $audience;
+    }
+
+    /**
+     * Configures the subject
+     *
+     * @param string $subject
+     */
+    public function setSubject($subject)
+    {
+        $this->items['sub'] = (string) $subject;
+    }
+
+    /**
+     * Configures the time that "iat", "nbf" and "exp" should be based on
+     *
+     * @param int $currentTime
+     */
+    public function setCurrentTime($currentTime)
+    {
+        $currentTime  = (int) $currentTime;
+
+        $this->items['iat'] = $currentTime + $this->leeway;
+        $this->items['nbf'] = $currentTime + $this->leeway;
+        $this->items['exp'] = $currentTime - $this->leeway;
+    }
+
+    /**
+     * Returns the requested item
+     *
+     * @param string $name
+     *
+     * @return mixed
+     */
+    public function get($name)
+    {
+        return isset($this->items[$name]) ? $this->items[$name] : null;
+    }
+
+    /**
+     * Returns if the item is present
+     *
+     * @param string $name
+     *
+     * @return boolean
+     */
+    public function has($name)
+    {
+        return !empty($this->items[$name]);
+    }
+}

modules/ps_facebook/vendor/lcobucci/jwt/src/Validator.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Lcobucci\JWT;
+
+use Lcobucci\JWT\Validation\Constraint;
+use Lcobucci\JWT\Validation\NoConstraintsGiven;
+use Lcobucci\JWT\Validation\RequiredConstraintsViolated;
+
+interface Validator
+{
+    /**
+     * @throws RequiredConstraintsViolated
+     * @throws NoConstraintsGiven
+     */
+    public function assert(Token $token, Constraint ...$constraints);
+
+    /**
+     * @return bool
+     *
+     * @throws NoConstraintsGiven
+     */
+    public function validate(Token $token, Constraint ...$constraints);
+}