first commit

modules/ps_facebook/vendor/symfony/dotenv/CHANGELOG.md

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+CHANGELOG
+=========
+
+3.3.0
+-----
+
+ * [BC BREAK] Since v3.3.7, the latest Dotenv files override the previous ones. Real env vars are not affected and are not overridden.
+ * added the component

modules/ps_facebook/vendor/symfony/dotenv/Dotenv.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv;
+
+use Symfony\Component\Dotenv\Exception\FormatException;
+use Symfony\Component\Dotenv\Exception\FormatExceptionContext;
+use Symfony\Component\Dotenv\Exception\PathException;
+use Symfony\Component\Process\Exception\ExceptionInterface as ProcessException;
+use Symfony\Component\Process\Process;
+
+/**
+ * Manages .env files.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class Dotenv
+{
+    const VARNAME_REGEX = '(?i:[A-Z][A-Z0-9_]*+)';
+    const STATE_VARNAME = 0;
+    const STATE_VALUE = 1;
+
+    private $path;
+    private $cursor;
+    private $lineno;
+    private $data;
+    private $end;
+    private $values;
+
+    /**
+     * Loads one or several .env files.
+     *
+     * @param string $path A file to load
+     *
+     * @throws FormatException when a file has a syntax error
+     * @throws PathException   when a file does not exist or is not readable
+     */
+    public function load($path/*, ...$paths*/)
+    {
+        // func_get_args() to be replaced by a variadic argument for Symfony 4.0
+        foreach (\func_get_args() as $path) {
+            if (!is_readable($path) || is_dir($path)) {
+                throw new PathException($path);
+            }
+
+            $this->populate($this->parse(file_get_contents($path), $path));
+        }
+    }
+
+    /**
+     * Sets values as environment variables (via putenv, $_ENV, and $_SERVER).
+     *
+     * Note that existing environment variables are not overridden.
+     *
+     * @param array $values An array of env variables
+     */
+    public function populate($values)
+    {
+        $updateLoadedVars = false;
+        $loadedVars = array_flip(explode(',', isset($_SERVER['SYMFONY_DOTENV_VARS']) ? $_SERVER['SYMFONY_DOTENV_VARS'] : (isset($_ENV['SYMFONY_DOTENV_VARS']) ? $_ENV['SYMFONY_DOTENV_VARS'] : '')));
+
+        foreach ($values as $name => $value) {
+            $notHttpName = 0 !== strpos($name, 'HTTP_');
+            // don't check existence with getenv() because of thread safety issues
+            if (!isset($loadedVars[$name]) && (isset($_ENV[$name]) || (isset($_SERVER[$name]) && $notHttpName))) {
+                continue;
+            }
+
+            putenv("$name=$value");
+            $_ENV[$name] = $value;
+            if ($notHttpName) {
+                $_SERVER[$name] = $value;
+            }
+
+            if (!isset($loadedVars[$name])) {
+                $loadedVars[$name] = $updateLoadedVars = true;
+            }
+        }
+
+        if ($updateLoadedVars) {
+            unset($loadedVars['']);
+            $loadedVars = implode(',', array_keys($loadedVars));
+            putenv('SYMFONY_DOTENV_VARS='.$_ENV['SYMFONY_DOTENV_VARS'] = $_SERVER['SYMFONY_DOTENV_VARS'] = $loadedVars);
+        }
+    }
+
+    /**
+     * Parses the contents of an .env file.
+     *
+     * @param string $data The data to be parsed
+     * @param string $path The original file name where data where stored (used for more meaningful error messages)
+     *
+     * @return array An array of env variables
+     *
+     * @throws FormatException when a file has a syntax error
+     */
+    public function parse($data, $path = '.env')
+    {
+        $this->path = $path;
+        $this->data = str_replace(["\r\n", "\r"], "\n", $data);
+        $this->lineno = 1;
+        $this->cursor = 0;
+        $this->end = \strlen($this->data);
+        $state = self::STATE_VARNAME;
+        $this->values = [];
+        $name = '';
+
+        $this->skipEmptyLines();
+
+        while ($this->cursor < $this->end) {
+            switch ($state) {
+                case self::STATE_VARNAME:
+                    $name = $this->lexVarname();
+                    $state = self::STATE_VALUE;
+                    break;
+
+                case self::STATE_VALUE:
+                    $this->values[$name] = $this->lexValue();
+                    $state = self::STATE_VARNAME;
+                    break;
+            }
+        }
+
+        if (self::STATE_VALUE === $state) {
+            $this->values[$name] = '';
+        }
+
+        try {
+            return $this->values;
+        } finally {
+            $this->values = [];
+            $this->data = null;
+            $this->path = null;
+        }
+    }
+
+    private function lexVarname()
+    {
+        // var name + optional export
+        if (!preg_match('/(export[ \t]++)?('.self::VARNAME_REGEX.')/A', $this->data, $matches, 0, $this->cursor)) {
+            throw $this->createFormatException('Invalid character in variable name');
+        }
+        $this->moveCursor($matches[0]);
+
+        if ($this->cursor === $this->end || "\n" === $this->data[$this->cursor] || '#' === $this->data[$this->cursor]) {
+            if ($matches[1]) {
+                throw $this->createFormatException('Unable to unset an environment variable');
+            }
+
+            throw $this->createFormatException('Missing = in the environment variable declaration');
+        }
+
+        if (' ' === $this->data[$this->cursor] || "\t" === $this->data[$this->cursor]) {
+            throw $this->createFormatException('Whitespace characters are not supported after the variable name');
+        }
+
+        if ('=' !== $this->data[$this->cursor]) {
+            throw $this->createFormatException('Missing = in the environment variable declaration');
+        }
+        ++$this->cursor;
+
+        return $matches[2];
+    }
+
+    private function lexValue()
+    {
+        if (preg_match('/[ \t]*+(?:#.*)?$/Am', $this->data, $matches, 0, $this->cursor)) {
+            $this->moveCursor($matches[0]);
+            $this->skipEmptyLines();
+
+            return '';
+        }
+
+        if (' ' === $this->data[$this->cursor] || "\t" === $this->data[$this->cursor]) {
+            throw $this->createFormatException('Whitespace are not supported before the value');
+        }
+
+        $loadedVars = array_flip(explode(',', isset($_SERVER['SYMFONY_DOTENV_VARS']) ? $_SERVER['SYMFONY_DOTENV_VARS'] : (isset($_ENV['SYMFONY_DOTENV_VARS']) ? $_ENV['SYMFONY_DOTENV_VARS'] : '')));
+        unset($loadedVars['']);
+        $v = '';
+
+        do {
+            if ("'" === $this->data[$this->cursor]) {
+                $len = 0;
+
+                do {
+                    if ($this->cursor + ++$len === $this->end) {
+                        $this->cursor += $len;
+
+                        throw $this->createFormatException('Missing quote to end the value');
+                    }
+                } while ("'" !== $this->data[$this->cursor + $len]);
+
+                $v .= substr($this->data, 1 + $this->cursor, $len - 1);
+                $this->cursor += 1 + $len;
+            } elseif ('"' === $this->data[$this->cursor]) {
+                $value = '';
+
+                if (++$this->cursor === $this->end) {
+                    throw $this->createFormatException('Missing quote to end the value');
+                }
+
+                while ('"' !== $this->data[$this->cursor] || ('\\' === $this->data[$this->cursor - 1] && '\\' !== $this->data[$this->cursor - 2])) {
+                    $value .= $this->data[$this->cursor];
+                    ++$this->cursor;
+
+                    if ($this->cursor === $this->end) {
+                        throw $this->createFormatException('Missing quote to end the value');
+                    }
+                }
+                if ("\n" === $this->data[$this->cursor]) {
+                    throw $this->createFormatException('Missing quote to end the value');
+                }
+                ++$this->cursor;
+                $value = str_replace(['\\"', '\r', '\n'], ['"', "\r", "\n"], $value);
+                $resolvedValue = $value;
+                $resolvedValue = $this->resolveVariables($resolvedValue, $loadedVars);
+                $resolvedValue = $this->resolveCommands($resolvedValue, $loadedVars);
+                $resolvedValue = str_replace('\\\\', '\\', $resolvedValue);
+                $v .= $resolvedValue;
+            } else {
+                $value = '';
+                $prevChr = $this->data[$this->cursor - 1];
+                while ($this->cursor < $this->end && !\in_array($this->data[$this->cursor], ["\n", '"', "'"], true) && !((' ' === $prevChr || "\t" === $prevChr) && '#' === $this->data[$this->cursor])) {
+                    if ('\\' === $this->data[$this->cursor] && isset($this->data[$this->cursor + 1]) && ('"' === $this->data[$this->cursor + 1] || "'" === $this->data[$this->cursor + 1])) {
+                        ++$this->cursor;
+                    }
+
+                    $value .= $prevChr = $this->data[$this->cursor];
+
+                    if ('$' === $this->data[$this->cursor] && isset($this->data[$this->cursor + 1]) && '(' === $this->data[$this->cursor + 1]) {
+                        ++$this->cursor;
+                        $value .= '('.$this->lexNestedExpression().')';
+                    }
+
+                    ++$this->cursor;
+                }
+                $value = rtrim($value);
+                $resolvedValue = $value;
+                $resolvedValue = $this->resolveVariables($resolvedValue, $loadedVars);
+                $resolvedValue = $this->resolveCommands($resolvedValue, $loadedVars);
+                $resolvedValue = str_replace('\\\\', '\\', $resolvedValue);
+
+                if ($resolvedValue === $value && preg_match('/\s+/', $value)) {
+                    throw $this->createFormatException('A value containing spaces must be surrounded by quotes');
+                }
+
+                $v .= $resolvedValue;
+
+                if ($this->cursor < $this->end && '#' === $this->data[$this->cursor]) {
+                    break;
+                }
+            }
+        } while ($this->cursor < $this->end && "\n" !== $this->data[$this->cursor]);
+
+        $this->skipEmptyLines();
+
+        return $v;
+    }
+
+    private function lexNestedExpression()
+    {
+        ++$this->cursor;
+        $value = '';
+
+        while ("\n" !== $this->data[$this->cursor] && ')' !== $this->data[$this->cursor]) {
+            $value .= $this->data[$this->cursor];
+
+            if ('(' === $this->data[$this->cursor]) {
+                $value .= $this->lexNestedExpression().')';
+            }
+
+            ++$this->cursor;
+
+            if ($this->cursor === $this->end) {
+                throw $this->createFormatException('Missing closing parenthesis.');
+            }
+        }
+
+        if ("\n" === $this->data[$this->cursor]) {
+            throw $this->createFormatException('Missing closing parenthesis.');
+        }
+
+        return $value;
+    }
+
+    private function skipEmptyLines()
+    {
+        if (preg_match('/(?:\s*+(?:#[^\n]*+)?+)++/A', $this->data, $match, 0, $this->cursor)) {
+            $this->moveCursor($match[0]);
+        }
+    }
+
+    private function resolveCommands($value, $loadedVars)
+    {
+        if (false === strpos($value, '$')) {
+            return $value;
+        }
+
+        $regex = '/
+            (\\\\)?               # escaped with a backslash?
+            \$
+            (?<cmd>
+                \(                # require opening parenthesis
+                ([^()]|\g<cmd>)+  # allow any number of non-parens, or balanced parens (by nesting the <cmd> expression recursively)
+                \)                # require closing paren
+            )
+        /x';
+
+        return preg_replace_callback($regex, function ($matches) use ($loadedVars) {
+            if ('\\' === $matches[1]) {
+                return substr($matches[0], 1);
+            }
+
+            if ('\\' === \DIRECTORY_SEPARATOR) {
+                throw new \LogicException('Resolving commands is not supported on Windows.');
+            }
+
+            if (!class_exists(Process::class)) {
+                throw new \LogicException('Resolving commands requires the Symfony Process component.');
+            }
+
+            $process = new Process('echo '.$matches[0]);
+            $process->inheritEnvironmentVariables(true);
+
+            $env = [];
+            foreach ($this->values as $name => $value) {
+                if (isset($loadedVars[$name]) || (!isset($_ENV[$name]) && !(isset($_SERVER[$name]) && 0 !== strpos($name, 'HTTP_')))) {
+                    $env[$name] = $value;
+                }
+            }
+            $process->setEnv($env);
+
+            try {
+                $process->mustRun();
+            } catch (ProcessException $e) {
+                throw $this->createFormatException(sprintf('Issue expanding a command (%s)', $process->getErrorOutput()));
+            }
+
+            return preg_replace('/[\r\n]+$/', '', $process->getOutput());
+        }, $value);
+    }
+
+    private function resolveVariables($value, array $loadedVars)
+    {
+        if (false === strpos($value, '$')) {
+            return $value;
+        }
+
+        $regex = '/
+            (?<!\\\\)
+            (?P<backslashes>\\\\*)             # escaped with a backslash?
+            \$
+            (?!\()                             # no opening parenthesis
+            (?P<opening_brace>\{)?             # optional brace
+            (?P<name>'.self::VARNAME_REGEX.')? # var name
+            (?P<closing_brace>\})?             # optional closing brace
+        /x';
+
+        $value = preg_replace_callback($regex, function ($matches) use ($loadedVars) {
+            // odd number of backslashes means the $ character is escaped
+            if (1 === \strlen($matches['backslashes']) % 2) {
+                return substr($matches[0], 1);
+            }
+
+            // unescaped $ not followed by variable name
+            if (!isset($matches['name'])) {
+                return $matches[0];
+            }
+
+            if ('{' === $matches['opening_brace'] && !isset($matches['closing_brace'])) {
+                throw $this->createFormatException('Unclosed braces on variable expansion');
+            }
+
+            $name = $matches['name'];
+            if (isset($loadedVars[$name]) && isset($this->values[$name])) {
+                $value = $this->values[$name];
+            } elseif (isset($_ENV[$name])) {
+                $value = $_ENV[$name];
+            } elseif (isset($_SERVER[$name]) && 0 !== strpos($name, 'HTTP_')) {
+                $value = $_SERVER[$name];
+            } elseif (isset($this->values[$name])) {
+                $value = $this->values[$name];
+            } else {
+                $value = (string) getenv($name);
+            }
+
+            if (!$matches['opening_brace'] && isset($matches['closing_brace'])) {
+                $value .= '}';
+            }
+
+            return $matches['backslashes'].$value;
+        }, $value);
+
+        return $value;
+    }
+
+    private function moveCursor($text)
+    {
+        $this->cursor += \strlen($text);
+        $this->lineno += substr_count($text, "\n");
+    }
+
+    private function createFormatException($message)
+    {
+        return new FormatException($message, new FormatExceptionContext($this->data, $this->path, $this->lineno, $this->cursor));
+    }
+}

modules/ps_facebook/vendor/symfony/dotenv/Exception/ExceptionInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv\Exception;
+
+/**
+ * Interface for exceptions.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ExceptionInterface
+{
+}

modules/ps_facebook/vendor/symfony/dotenv/Exception/FormatException.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv\Exception;
+
+/**
+ * Thrown when a file has a syntax error.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class FormatException extends \LogicException implements ExceptionInterface
+{
+    private $context;
+
+    public function __construct($message, FormatExceptionContext $context, $code = 0, \Exception $previous = null)
+    {
+        $this->context = $context;
+
+        parent::__construct(sprintf("%s in \"%s\" at line %d.\n%s", $message, $context->getPath(), $context->getLineno(), $context->getDetails()), $code, $previous);
+    }
+
+    public function getContext()
+    {
+        return $this->context;
+    }
+}

modules/ps_facebook/vendor/symfony/dotenv/Exception/FormatExceptionContext.php

@@ -0,0 +1,49 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv\Exception;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class FormatExceptionContext
+{
+    private $data;
+    private $path;
+    private $lineno;
+    private $cursor;
+
+    public function __construct($data, $path, $lineno, $cursor)
+    {
+        $this->data = $data;
+        $this->path = $path;
+        $this->lineno = $lineno;
+        $this->cursor = $cursor;
+    }
+
+    public function getPath()
+    {
+        return $this->path;
+    }
+
+    public function getLineno()
+    {
+        return $this->lineno;
+    }
+
+    public function getDetails()
+    {
+        $before = str_replace("\n", '\n', substr($this->data, max(0, $this->cursor - 20), min(20, $this->cursor)));
+        $after = str_replace("\n", '\n', substr($this->data, $this->cursor, 20));
+
+        return '...'.$before.$after."...\n".str_repeat(' ', \strlen($before) + 2).'^ line '.$this->lineno.' offset '.$this->cursor;
+    }
+}

modules/ps_facebook/vendor/symfony/dotenv/Exception/PathException.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv\Exception;
+
+/**
+ * Thrown when a file does not exist or is not readable.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class PathException extends \RuntimeException implements ExceptionInterface
+{
+    public function __construct($path, $code = 0, \Exception $previous = null)
+    {
+        parent::__construct(sprintf('Unable to read the "%s" environment file.', $path), $code, $previous);
+    }
+}

modules/ps_facebook/vendor/symfony/dotenv/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2016-2020 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

modules/ps_facebook/vendor/symfony/dotenv/README.md

@@ -0,0 +1,14 @@
+Dotenv Component
+================
+
+Symfony Dotenv parses `.env` files to make environment variables stored in them
+accessible via `getenv()`, `$_ENV`, or `$_SERVER`.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/dotenv.html)
+  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+  * [Report issues](https://github.com/symfony/symfony/issues) and
+    [send Pull Requests](https://github.com/symfony/symfony/pulls)
+    in the [main Symfony repository](https://github.com/symfony/symfony)

modules/ps_facebook/vendor/symfony/dotenv/Tests/DotenvTest.php

@@ -0,0 +1,332 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Dotenv\Dotenv;
+use Symfony\Component\Dotenv\Exception\FormatException;
+
+class DotenvTest extends TestCase
+{
+    /**
+     * @dataProvider getEnvDataWithFormatErrors
+     */
+    public function testParseWithFormatError($data, $error)
+    {
+        $dotenv = new Dotenv();
+
+        try {
+            $dotenv->parse($data);
+            $this->fail('Should throw a FormatException');
+        } catch (FormatException $e) {
+            $this->assertStringMatchesFormat($error, $e->getMessage());
+        }
+    }
+
+    public function getEnvDataWithFormatErrors()
+    {
+        $tests = [
+            ['FOO=BAR BAZ', "A value containing spaces must be surrounded by quotes in \".env\" at line 1.\n...FOO=BAR BAZ...\n             ^ line 1 offset 11"],
+            ['FOO BAR=BAR', "Whitespace characters are not supported after the variable name in \".env\" at line 1.\n...FOO BAR=BAR...\n     ^ line 1 offset 3"],
+            ['FOO', "Missing = in the environment variable declaration in \".env\" at line 1.\n...FOO...\n     ^ line 1 offset 3"],
+            ['FOO="foo', "Missing quote to end the value in \".env\" at line 1.\n...FOO=\"foo...\n          ^ line 1 offset 8"],
+            ['FOO=\'foo', "Missing quote to end the value in \".env\" at line 1.\n...FOO='foo...\n          ^ line 1 offset 8"],
+            ["FOO=\"foo\nBAR=\"bar\"", "Missing quote to end the value in \".env\" at line 1.\n...FOO=\"foo\\nBAR=\"bar\"...\n                     ^ line 1 offset 18"],
+            ['FOO=\'foo'."\n", "Missing quote to end the value in \".env\" at line 1.\n...FOO='foo\\n...\n            ^ line 1 offset 9"],
+            ['export FOO', "Unable to unset an environment variable in \".env\" at line 1.\n...export FOO...\n            ^ line 1 offset 10"],
+            ['FOO=${FOO', "Unclosed braces on variable expansion in \".env\" at line 1.\n...FOO=\${FOO...\n           ^ line 1 offset 9"],
+        ];
+
+        if ('\\' !== \DIRECTORY_SEPARATOR) {
+            $tests[] = ['FOO=$((1dd2))', "Issue expanding a command (%s\n) in \".env\" at line 1.\n...FOO=$((1dd2))...\n               ^ line 1 offset 13"];
+        }
+
+        return $tests;
+    }
+
+    /**
+     * @dataProvider getEnvData
+     */
+    public function testParse($data, $expected)
+    {
+        $dotenv = new Dotenv();
+        $this->assertSame($expected, $dotenv->parse($data));
+    }
+
+    public function getEnvData()
+    {
+        putenv('LOCAL=local');
+        $_ENV['LOCAL'] = 'local';
+        $_ENV['REMOTE'] = 'remote';
+
+        $tests = [
+            // backslashes
+            ['FOO=foo\\\\bar', ['FOO' => 'foo\\bar']],
+            ["FOO='foo\\\\bar'", ['FOO' => 'foo\\\\bar']],
+            ['FOO="foo\\\\bar"', ['FOO' => 'foo\\bar']],
+
+            // escaped backslash in front of variable
+            ["BAR=bar\nFOO=foo\\\\\$BAR", ['BAR' => 'bar', 'FOO' => 'foo\\bar']],
+            ["BAR=bar\nFOO='foo\\\\\$BAR'", ['BAR' => 'bar', 'FOO' => 'foo\\\\$BAR']],
+            ["BAR=bar\nFOO=\"foo\\\\\$BAR\"", ['BAR' => 'bar', 'FOO' => 'foo\\bar']],
+
+            ['FOO=foo\\\\\\$BAR', ['FOO' => 'foo\\$BAR']],
+            ['FOO=\'foo\\\\\\$BAR\'', ['FOO' => 'foo\\\\\\$BAR']],
+            ['FOO="foo\\\\\\$BAR"', ['FOO' => 'foo\\$BAR']],
+
+            // spaces
+            ['FOO=bar', ['FOO' => 'bar']],
+            [' FOO=bar ', ['FOO' => 'bar']],
+            ['FOO=', ['FOO' => '']],
+            ["FOO=\n\n\nBAR=bar", ['FOO' => '', 'BAR' => 'bar']],
+            ['FOO=  ', ['FOO' => '']],
+            ["FOO=\nBAR=bar", ['FOO' => '', 'BAR' => 'bar']],
+
+            // newlines
+            ["\n\nFOO=bar\r\n\n", ['FOO' => 'bar']],
+            ["FOO=bar\r\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=bar\rBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=bar\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+
+            // quotes
+            ["FOO=\"bar\"\n", ['FOO' => 'bar']],
+            ["FOO=\"bar'foo\"\n", ['FOO' => 'bar\'foo']],
+            ["FOO='bar'\n", ['FOO' => 'bar']],
+            ["FOO='bar\"foo'\n", ['FOO' => 'bar"foo']],
+            ["FOO=\"bar\\\"foo\"\n", ['FOO' => 'bar"foo']],
+            ['FOO="bar\nfoo"', ['FOO' => "bar\nfoo"]],
+            ['FOO="bar\rfoo"', ['FOO' => "bar\rfoo"]],
+            ['FOO=\'bar\nfoo\'', ['FOO' => 'bar\nfoo']],
+            ['FOO=\'bar\rfoo\'', ['FOO' => 'bar\rfoo']],
+            ["FOO='bar\nfoo'", ['FOO' => "bar\nfoo"]],
+            ['FOO=" FOO "', ['FOO' => ' FOO ']],
+            ['FOO="  "', ['FOO' => '  ']],
+            ['PATH="c:\\\\"', ['PATH' => 'c:\\']],
+            ["FOO=\"bar\nfoo\"", ['FOO' => "bar\nfoo"]],
+            ['FOO=BAR\\"', ['FOO' => 'BAR"']],
+            ["FOO=BAR\\'BAZ", ['FOO' => "BAR'BAZ"]],
+            ['FOO=\\"BAR', ['FOO' => '"BAR']],
+
+            // concatenated values
+            ["FOO='bar''foo'\n", ['FOO' => 'barfoo']],
+            ["FOO='bar '' baz'", ['FOO' => 'bar  baz']],
+            ["FOO=bar\nBAR='baz'\"\$FOO\"", ['FOO' => 'bar', 'BAR' => 'bazbar']],
+            ["FOO='bar '\\'' baz'", ['FOO' => "bar ' baz"]],
+
+            // comments
+            ["#FOO=bar\nBAR=foo", ['BAR' => 'foo']],
+            ["#FOO=bar # Comment\nBAR=foo", ['BAR' => 'foo']],
+            ["FOO='bar foo' # Comment", ['FOO' => 'bar foo']],
+            ["FOO='bar#foo' # Comment", ['FOO' => 'bar#foo']],
+            ["# Comment\r\nFOO=bar\n# Comment\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=bar # Another comment\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=\n\n# comment\nBAR=bar", ['FOO' => '', 'BAR' => 'bar']],
+            ['FOO=NOT#COMMENT', ['FOO' => 'NOT#COMMENT']],
+            ['FOO=  # Comment', ['FOO' => '']],
+
+            // edge cases (no conversions, only strings as values)
+            ['FOO=0', ['FOO' => '0']],
+            ['FOO=false', ['FOO' => 'false']],
+            ['FOO=null', ['FOO' => 'null']],
+
+            // export
+            ['export FOO=bar', ['FOO' => 'bar']],
+            ['  export   FOO=bar', ['FOO' => 'bar']],
+
+            // variable expansion
+            ["FOO=BAR\nBAR=\$FOO", ['FOO' => 'BAR', 'BAR' => 'BAR']],
+            ["FOO=BAR\nBAR=\"\$FOO\"", ['FOO' => 'BAR', 'BAR' => 'BAR']],
+            ["FOO=BAR\nBAR='\$FOO'", ['FOO' => 'BAR', 'BAR' => '$FOO']],
+            ["FOO_BAR9=BAR\nBAR=\$FOO_BAR9", ['FOO_BAR9' => 'BAR', 'BAR' => 'BAR']],
+            ["FOO=BAR\nBAR=\${FOO}Z", ['FOO' => 'BAR', 'BAR' => 'BARZ']],
+            ["FOO=BAR\nBAR=\$FOO}", ['FOO' => 'BAR', 'BAR' => 'BAR}']],
+            ["FOO=BAR\nBAR=\\\$FOO", ['FOO' => 'BAR', 'BAR' => '$FOO']],
+            ['FOO=" \\$ "', ['FOO' => ' $ ']],
+            ['FOO=" $ "', ['FOO' => ' $ ']],
+            ['BAR=$LOCAL', ['BAR' => 'local']],
+            ['BAR=$REMOTE', ['BAR' => 'remote']],
+            ['FOO=$NOTDEFINED', ['FOO' => '']],
+        ];
+
+        if ('\\' !== \DIRECTORY_SEPARATOR) {
+            $tests = array_merge($tests, [
+                // command expansion
+                ['FOO=$(echo foo)', ['FOO' => 'foo']],
+                ['FOO=$((1+2))', ['FOO' => '3']],
+                ['FOO=FOO$((1+2))BAR', ['FOO' => 'FOO3BAR']],
+                ['FOO=$(echo "$(echo "$(echo "$(echo foo)")")")', ['FOO' => 'foo']],
+                ["FOO=$(echo \"Quotes won't be a problem\")", ['FOO' => 'Quotes won\'t be a problem']],
+                ["FOO=bar\nBAR=$(echo \"FOO is \$FOO\")", ['FOO' => 'bar', 'BAR' => 'FOO is bar']],
+            ]);
+        }
+
+        return $tests;
+    }
+
+    public function testLoad()
+    {
+        unset($_ENV['FOO']);
+        unset($_ENV['BAR']);
+        unset($_SERVER['FOO']);
+        unset($_SERVER['BAR']);
+        putenv('FOO');
+        putenv('BAR');
+
+        @mkdir($tmpdir = sys_get_temp_dir().'/dotenv');
+
+        $path1 = tempnam($tmpdir, 'sf-');
+        $path2 = tempnam($tmpdir, 'sf-');
+
+        file_put_contents($path1, 'FOO=BAR');
+        file_put_contents($path2, 'BAR=BAZ');
+
+        (new Dotenv())->load($path1, $path2);
+
+        $foo = getenv('FOO');
+        $bar = getenv('BAR');
+
+        putenv('FOO');
+        putenv('BAR');
+        unlink($path1);
+        unlink($path2);
+        rmdir($tmpdir);
+
+        $this->assertSame('BAR', $foo);
+        $this->assertSame('BAZ', $bar);
+    }
+
+    public function testLoadDirectory()
+    {
+        $this->expectException('Symfony\Component\Dotenv\Exception\PathException');
+        $dotenv = new Dotenv();
+        $dotenv->load(__DIR__);
+    }
+
+    public function testServerSuperglobalIsNotOverridden()
+    {
+        $originalValue = $_SERVER['argc'];
+
+        $dotenv = new Dotenv();
+        $dotenv->populate(['argc' => 'new_value']);
+
+        $this->assertSame($originalValue, $_SERVER['argc']);
+    }
+
+    public function testEnvVarIsNotOverridden()
+    {
+        putenv('TEST_ENV_VAR=original_value');
+        $_SERVER['TEST_ENV_VAR'] = 'original_value';
+
+        $dotenv = new Dotenv();
+        $dotenv->populate(['TEST_ENV_VAR' => 'new_value']);
+
+        $this->assertSame('original_value', getenv('TEST_ENV_VAR'));
+    }
+
+    public function testHttpVarIsPartiallyOverridden()
+    {
+        $_SERVER['HTTP_TEST_ENV_VAR'] = 'http_value';
+
+        $dotenv = new Dotenv();
+        $dotenv->populate(['HTTP_TEST_ENV_VAR' => 'env_value']);
+
+        $this->assertSame('env_value', getenv('HTTP_TEST_ENV_VAR'));
+        $this->assertSame('env_value', $_ENV['HTTP_TEST_ENV_VAR']);
+        $this->assertSame('http_value', $_SERVER['HTTP_TEST_ENV_VAR']);
+    }
+
+    public function testMemorizingLoadedVarsNamesInSpecialVar()
+    {
+        // Special variable not exists
+        unset($_ENV['SYMFONY_DOTENV_VARS']);
+        unset($_SERVER['SYMFONY_DOTENV_VARS']);
+        putenv('SYMFONY_DOTENV_VARS');
+
+        unset($_ENV['APP_DEBUG']);
+        unset($_SERVER['APP_DEBUG']);
+        putenv('APP_DEBUG');
+        unset($_ENV['DATABASE_URL']);
+        unset($_SERVER['DATABASE_URL']);
+        putenv('DATABASE_URL');
+
+        $dotenv = new Dotenv();
+        $dotenv->populate(['APP_DEBUG' => '1', 'DATABASE_URL' => 'mysql://root@localhost/db']);
+
+        $this->assertSame('APP_DEBUG,DATABASE_URL', getenv('SYMFONY_DOTENV_VARS'));
+
+        // Special variable has a value
+        $_ENV['SYMFONY_DOTENV_VARS'] = 'APP_ENV';
+        $_SERVER['SYMFONY_DOTENV_VARS'] = 'APP_ENV';
+        putenv('SYMFONY_DOTENV_VARS=APP_ENV');
+
+        $_ENV['APP_DEBUG'] = '1';
+        $_SERVER['APP_DEBUG'] = '1';
+        putenv('APP_DEBUG=1');
+        unset($_ENV['DATABASE_URL']);
+        unset($_SERVER['DATABASE_URL']);
+        putenv('DATABASE_URL');
+
+        $dotenv = new Dotenv();
+        $dotenv->populate(['APP_DEBUG' => '0', 'DATABASE_URL' => 'mysql://root@localhost/db']);
+        $dotenv->populate(['DATABASE_URL' => 'sqlite:///somedb.sqlite']);
+
+        $this->assertSame('APP_ENV,DATABASE_URL', getenv('SYMFONY_DOTENV_VARS'));
+    }
+
+    public function testOverridingEnvVarsWithNamesMemorizedInSpecialVar()
+    {
+        putenv('SYMFONY_DOTENV_VARS='.$_SERVER['SYMFONY_DOTENV_VARS'] = 'FOO,BAR,BAZ');
+
+        putenv('FOO=foo');
+        putenv('BAR=bar');
+        putenv('BAZ=baz');
+        putenv('DOCUMENT_ROOT=/var/www');
+
+        $dotenv = new Dotenv();
+        $dotenv->populate(['FOO' => 'foo1', 'BAR' => 'bar1', 'BAZ' => 'baz1', 'DOCUMENT_ROOT' => '/boot']);
+
+        $this->assertSame('foo1', getenv('FOO'));
+        $this->assertSame('bar1', getenv('BAR'));
+        $this->assertSame('baz1', getenv('BAZ'));
+        $this->assertSame('/var/www', getenv('DOCUMENT_ROOT'));
+    }
+
+    public function testGetVariablesValueFromEnvFirst()
+    {
+        $_ENV['APP_ENV'] = 'prod';
+        $dotenv = new Dotenv(true);
+
+        $test = "APP_ENV=dev\nTEST1=foo1_\${APP_ENV}";
+        $values = $dotenv->parse($test);
+        $this->assertSame('foo1_prod', $values['TEST1']);
+
+        if ('\\' !== \DIRECTORY_SEPARATOR) {
+            $test = "APP_ENV=dev\nTEST2=foo2_\$(php -r 'echo \$_SERVER[\"APP_ENV\"];')";
+            $values = $dotenv->parse($test);
+            $this->assertSame('foo2_prod', $values['TEST2']);
+        }
+    }
+
+    public function testGetVariablesValueFromGetenv()
+    {
+        putenv('Foo=Bar');
+
+        $dotenv = new Dotenv(true);
+
+        try {
+            $values = $dotenv->parse('Foo=${Foo}');
+            $this->assertSame('Bar', $values['Foo']);
+        } finally {
+            putenv('Foo');
+        }
+    }
+}

modules/ps_facebook/vendor/symfony/dotenv/composer.json

@@ -0,0 +1,31 @@
+{
+    "name": "symfony/dotenv",
+    "type": "library",
+    "description": "Registers environment variables from a .env file",
+    "keywords": ["environment", "env", "dotenv"],
+    "homepage": "https://symfony.com",
+    "license" : "MIT",
+    "authors": [
+        {
+            "name": "Fabien Potencier",
+            "email": "fabien@symfony.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": "^5.5.9|>=7.0.8"
+    },
+    "require-dev": {
+        "symfony/process": "^3.4.2|^4.0"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\Dotenv\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev"
+}

modules/ps_facebook/vendor/symfony/dotenv/phpunit.xml.dist

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/5.2/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony Dotenv Component Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./Tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>