Update vendor dependencies

19 files changed, 112 insertions, 120 deletions

diff --git a/vendor/league/commonmark/CHANGELOG.md b/vendor/league/commonmark/CHANGELOG.md
index 7713f8ff01..eaa424c8a6 100644
--- a/vendor/league/commonmark/CHANGELOG.md
+++ b/vendor/league/commonmark/CHANGELOG.md
@@ -4,6 +4,13 @@ Updates should follow the [Keep a CHANGELOG](https://keepachangelog.com/) princi
 
 ## [Unreleased][unreleased]
 
+## [1.2.0] - 2020-01-09
+
+### Changed
+
+ - Removed URL decoding step before encoding (more performant and better matches the JS library)
+ - Removed redundant token from HTML tag regex
+
 ## [1.1.2] - 2019-12-09
 
 ### Fixed
@@ -180,7 +187,8 @@ No changes were made since 1.0.0-rc1.
    - Removed `DelimiterStack::iterateByCharacters()` (use the new `processDelimiters()` method instead)
    - Removed the protected `DelimiterStack::findMatchingOpener()` method
 
-[unreleased]: https://github.com/thephpleague/commonmark/compare/1.1.2...HEAD
+[unreleased]: https://github.com/thephpleague/commonmark/compare/1.2.0...HEAD
+[1.2.0]: https://github.com/thephpleague/commonmark/compare/1.1.2...1.2.0
 [1.1.2]: https://github.com/thephpleague/commonmark/compare/1.1.1...1.1.2
 [1.1.1]: https://github.com/thephpleague/commonmark/compare/1.1.0...1.1.1
 [1.1.0]: https://github.com/thephpleague/commonmark/compare/1.0.0...1.1.0
diff --git a/vendor/league/commonmark/README.md b/vendor/league/commonmark/README.md
index 12df509f47..4732b88c36 100644
--- a/vendor/league/commonmark/README.md
+++ b/vendor/league/commonmark/README.md
@@ -88,6 +88,8 @@ Custom parsers/renderers can be bundled into extensions which extend CommonMark.
  - [CommonMark Attributes Extension](https://github.com/webuni/commonmark-attributes-extension) - Adds a syntax to define attributes on the various HTML elements.
  - [Alt Three Emoji](https://github.com/AltThree/Emoji) An emoji parser for CommonMark.
  - [Sup Sub extensions](https://github.com/OWS/commonmark-sup-sub-extensions) - Adds support of superscript and subscript (`<sup>` and `<sub>` HTML tags)
+ - [YouTube iframe extension](https://github.com/zoonru/commonmark-ext-youtube-iframe) - Replaces youtube link with iframe.
+ - [Footnotes extension](https://github.com/rezozero/commonmark-ext-footnotes) - Adds support for referencing footnotes inline and rendering them at the bottom of your content
 
 Others can be found on [Packagist under the `commonmark-extension` package type](https://packagist.org/packages/league/commonmark?type=commonmark-extension).
 
diff --git a/vendor/league/commonmark/composer.json b/vendor/league/commonmark/composer.json
index 3c28bd0c1a..8cdc63628f 100644
--- a/vendor/league/commonmark/composer.json
+++ b/vendor/league/commonmark/composer.json
@@ -29,7 +29,7 @@
     "require-dev": {
         "ext-json": "*",
         "cebe/markdown": "~1.0",
-        "commonmark/commonmark.js": "0.29.0",
+        "commonmark/commonmark.js": "0.29.1",
         "erusev/parsedown": "~1.0",
         "michelf/php-markdown": "~1.4",
         "mikehaertl/php-shellcommand": "^1.4",
@@ -46,9 +46,9 @@
             "type": "package",
             "package": {
                 "name": "commonmark/commonmark.js",
-                "version": "0.29.0",
+                "version": "0.29.1",
                 "dist": {
-                    "url": "https://github.com/commonmark/commonmark.js/archive/0.29.0.zip",
+                    "url": "https://github.com/commonmark/commonmark.js/archive/0.29.1.zip",
                     "type": "zip"
                 }
             }
@@ -76,7 +76,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.2-dev"
+            "dev-master": "1.3-dev"
         }
     },
     "config": {
diff --git a/vendor/league/commonmark/src/CommonMarkConverter.php b/vendor/league/commonmark/src/CommonMarkConverter.php
index cd14268e12..786ada5bce 100644
--- a/vendor/league/commonmark/src/CommonMarkConverter.php
+++ b/vendor/league/commonmark/src/CommonMarkConverter.php
@@ -24,7 +24,7 @@ class CommonMarkConverter extends Converter
      *
      * This might be a typical `x.y.z` version, or `x.y-dev`.
      */
-    public const VERSION = '1.1.2';
+    public const VERSION = '1.2.0';
 
     /** @var EnvironmentInterface */
     protected $environment;
diff --git a/vendor/league/commonmark/src/Util/RegexHelper.php b/vendor/league/commonmark/src/Util/RegexHelper.php
index 86cb3da924..c39d9edcfe 100644
--- a/vendor/league/commonmark/src/Util/RegexHelper.php
+++ b/vendor/league/commonmark/src/Util/RegexHelper.php
@@ -31,7 +31,7 @@ final class RegexHelper
     public const PARTIAL_REG_CHAR = '[^\\\\()\x00-\x20]';
     public const PARTIAL_IN_PARENS_NOSP = '\((' . self::PARTIAL_REG_CHAR . '|' . self::PARTIAL_ESCAPED_CHAR . '|\\\\)*\)';
     public const PARTIAL_TAGNAME = '[A-Za-z][A-Za-z0-9-]*';
-    public const PARTIAL_BLOCKTAGNAME = '(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h1|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|title|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)';
+    public const PARTIAL_BLOCKTAGNAME = '(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h1|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)';
     public const PARTIAL_ATTRIBUTENAME = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
     public const PARTIAL_UNQUOTEDVALUE = '[^"\'=<>`\x00-\x20]+';
     public const PARTIAL_SINGLEQUOTEDVALUE = '\'[^\']*\'';
@@ -173,7 +173,7 @@ final class RegexHelper
             case HtmlBlock::TYPE_5_CDATA:
                 return '/^<!\[CDATA\[/';
             case HtmlBlock::TYPE_6_BLOCK_ELEMENT:
-                return '%^<[/]?(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|title|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)(?:\s|[/]?[>]|$)%i';
+                return '%^<[/]?(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)(?:\s|[/]?[>]|$)%i';
             case HtmlBlock::TYPE_7_MISC_ELEMENT:
                 return '/^(?:' . self::PARTIAL_OPENTAG . '|' . self::PARTIAL_CLOSETAG . ')\\s*$/i';
         }
diff --git a/vendor/league/commonmark/src/Util/UrlEncoder.php b/vendor/league/commonmark/src/Util/UrlEncoder.php
index 527fc57277..c7e40ddebb 100644
--- a/vendor/league/commonmark/src/Util/UrlEncoder.php
+++ b/vendor/league/commonmark/src/Util/UrlEncoder.php
@@ -16,42 +16,7 @@ namespace League\CommonMark\Util;
 
 final class UrlEncoder
 {
-    protected static $dontEncode = [
-        '%21' => '!',
-        '%23' => '#',
-        '%24' => '$',
-        '%26' => '&',
-        '%27' => '\'',
-        '%28' => '(',
-        '%29' => ')',
-        '%2A' => '*',
-        '%2B' => '+',
-        '%2C' => ',',
-        '%2D' => '-',
-        '%2E' => '.',
-        '%2F' => '/',
-        '%3A' => ':',
-        '%3B' => ';',
-        '%3D' => '=',
-        '%3F' => '?',
-        '%40' => '@',
-        '%5F' => '_',
-        '%7E' => '~',
-    ];
-
-    protected static $dontDecode = [
-        '%3B' => ';',
-        '%2F' => '/',
-        '%3F' => '?',
-        '%3A' => ':',
-        '%40' => '@',
-        '%26' => '&',
-        '%3D' => '=',
-        '%2B' => '+',
-        '%24' => '$',
-        '%2C' => ',',
-        '%23' => '#',
-    ];
+    private static $encodeCache = ['%00', '%01', '%02', '%03', '%04', '%05', '%06', '%07', '%08', '%09', '%0A', '%0B', '%0C', '%0D', '%0E', '%0F', '%10', '%11', '%12', '%13', '%14', '%15', '%16', '%17', '%18', '%19', '%1A', '%1B', '%1C', '%1D', '%1E', '%1F', '%20', '!', '%22', '#', '$', '%25', '&', "'", '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '%3C', '=', '%3E', '?', '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '%5B', '%5C', '%5D', '%5E', '_', '%60', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '%7B', '%7C', '%7D', '~', '%7F'];
 
     /**
      * @param string $uri
@@ -60,73 +25,29 @@ final class UrlEncoder
      */
     public static function unescapeAndEncode(string $uri): string
     {
-        $decoded = \html_entity_decode($uri);
-
-        return self::encode(self::decode($decoded));
-    }
-
-    /**
-     * Decode a percent-encoded URI
-     *
-     * @param string $uri
-     *
-     * @return string
-     */
-    private static function decode(string $uri): string
-    {
-        /** @var string $ret */
-        $ret = \preg_replace_callback('/((?:%[0-9a-f]{2})+)/iu', function ($matches) {
-            $bytes = \hex2bin(\str_replace('%', '', $matches[1]));
-
-            // Invalid UTF-8 sequences should be kept as-is
-            if ($bytes === false || !\mb_check_encoding($bytes, 'UTF-8')) {
-                return \strtoupper($matches[0]);
-            }
+        $result = '';
 
-            // Otherwise, split the sequence into characters and decode them (unless that character shouldn't be decoded)
-            /** @var string[] $characters */
-            $characters = \preg_split('//u', $bytes, -1, \PREG_SPLIT_NO_EMPTY);
-
-            $ret = '';
-            foreach ($characters as $char) {
-                if (($encoding = \array_search($char, self::$dontDecode, true)) !== false) {
-                    $ret .= $encoding;
-                } else {
-                    $ret .= $char;
+        /** @var string[] $chars */
+        $chars = \preg_split('//u', $uri, -1, \PREG_SPLIT_NO_EMPTY);
+        $l = \count($chars);
+        for ($i = 0; $i < $l; $i++) {
+            $code = $chars[$i];
+            if ($code === '%' && $i + 2 < $l) {
+                if (\preg_match('/^[0-9a-f]{2}$/i', $chars[$i + 1] . $chars[$i + 2]) === 1) {
+                    $result .= '%' . $chars[$i + 1] . $chars[$i + 2];
+                    $i += 2;
+                    continue;
                 }
             }
 
-            return $ret;
-        }, $uri);
-
-        return $ret;
-    }
-
-    /**
-     * Encode a URI, preserving already-encoded and excluded characters
-     *
-     * @param string $uri
-     *
-     * @return string
-     */
-    private static function encode(string $uri): string
-    {
-        /** @var string $ret */
-        $ret = \preg_replace_callback('/(%[0-9a-f]{2})|./isu', function ($matches) {
-            // Keep already-encoded characters as-is
-            if (\count($matches) > 1) {
-                return $matches[0];
-            }
-
-            // Keep excluded characters as-is
-            if (\in_array($matches[0], self::$dontEncode)) {
-                return $matches[0];
+            if (\ord($code) < 128) {
+                $result .= self::$encodeCache[\ord($code)];
+                continue;
             }
 
-            // Otherwise, encode the character
-            return \rawurlencode($matches[0]);
-        }, $uri);
+            $result .= \rawurlencode($code);
+        }
 
-        return $ret;
+        return $result;
     }
 }
diff --git a/vendor/league/flysystem/SECURITY.md b/vendor/league/flysystem/SECURITY.md
new file mode 100644
index 0000000000..f5b205ed08
--- /dev/null
+++ b/vendor/league/flysystem/SECURITY.md
@@ -0,0 +1,16 @@
+# Security Policy
+
+## Supported Versions
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 1.0.x   | :white_check_mark: |
+| 2.0.x   | :x:                |
+
+## Reporting a Vulnerability
+
+When you've encountered a security vulnerability, please disclose it securely.
+
+The security process is described at: 
+[https://flysystem.thephpleague.com/docs/security/](https://flysystem.thephpleague.com/docs/security/)
+
diff --git a/vendor/league/flysystem/composer.json b/vendor/league/flysystem/composer.json
index 84229e9ff7..92ab3889eb 100644
--- a/vendor/league/flysystem/composer.json
+++ b/vendor/league/flysystem/composer.json
@@ -1,5 +1,6 @@
 {
     "name": "league/flysystem",
+    "type": "library",
     "description": "Filesystem abstraction: Many filesystems, one API.",
     "keywords": [
         "filesystem", "filesystems", "files", "storage", "dropbox", "aws",
diff --git a/vendor/league/flysystem/src/Adapter/AbstractFtpAdapter.php b/vendor/league/flysystem/src/Adapter/AbstractFtpAdapter.php
index 578b49190a..fb8aa49cfa 100644
--- a/vendor/league/flysystem/src/Adapter/AbstractFtpAdapter.php
+++ b/vendor/league/flysystem/src/Adapter/AbstractFtpAdapter.php
@@ -557,6 +557,10 @@ abstract class AbstractFtpAdapter extends AbstractAdapter
      */
     protected function normalizePermissions($permissions)
     {
+        if (is_numeric($permissions)) {
+            return $permissions & 0777;
+        }
+
         // remove the type identifier
         $permissions = substr($permissions, 1);
 
diff --git a/vendor/league/flysystem/src/Adapter/Ftp.php b/vendor/league/flysystem/src/Adapter/Ftp.php
index c984824320..cdaf711b21 100644
--- a/vendor/league/flysystem/src/Adapter/Ftp.php
+++ b/vendor/league/flysystem/src/Adapter/Ftp.php
@@ -6,9 +6,11 @@ use ErrorException;
 use League\Flysystem\Adapter\Polyfill\StreamedCopyTrait;
 use League\Flysystem\AdapterInterface;
 use League\Flysystem\Config;
+use League\Flysystem\ConnectionErrorException;
+use League\Flysystem\ConnectionRuntimeException;
+use League\Flysystem\InvalidRootException;
 use League\Flysystem\Util;
 use League\Flysystem\Util\MimeType;
-use RuntimeException;
 
 class Ftp extends AbstractFtpAdapter
 {
@@ -135,7 +137,7 @@ class Ftp extends AbstractFtpAdapter
         }
 
         if ( ! $this->connection) {
-            throw new RuntimeException('Could not connect to host: ' . $this->getHost() . ', port:' . $this->getPort());
+            throw new ConnectionRuntimeException('Could not connect to host: ' . $this->getHost() . ', port:' . $this->getPort());
         }
 
         $this->login();
@@ -153,7 +155,7 @@ class Ftp extends AbstractFtpAdapter
         if ($this->utf8) {
             $response = ftp_raw($this->connection, "OPTS UTF8 ON");
             if (substr($response[0], 0, 3) !== '200') {
-                throw new RuntimeException(
+                throw new ConnectionRuntimeException(
                     'Could not set UTF-8 mode for connection: ' . $this->getHost() . '::' . $this->getPort()
                 );
             }
@@ -163,7 +165,7 @@ class Ftp extends AbstractFtpAdapter
     /**
      * Set the connections to passive mode.
      *
-     * @throws RuntimeException
+     * @throws ConnectionRuntimeException
      */
     protected function setConnectionPassiveMode()
     {
@@ -172,7 +174,7 @@ class Ftp extends AbstractFtpAdapter
         }
 
         if ( ! ftp_pasv($this->connection, $this->passive)) {
-            throw new RuntimeException(
+            throw new ConnectionRuntimeException(
                 'Could not set passive mode for connection: ' . $this->getHost() . '::' . $this->getPort()
             );
         }
@@ -187,7 +189,7 @@ class Ftp extends AbstractFtpAdapter
         $connection = $this->connection;
 
         if ($root && ! ftp_chdir($connection, $root)) {
-            throw new RuntimeException('Root is invalid or does not exist: ' . $this->getRoot());
+            throw new InvalidRootException('Root is invalid or does not exist: ' . $this->getRoot());
         }
 
         // Store absolute path for further reference.
@@ -200,7 +202,7 @@ class Ftp extends AbstractFtpAdapter
     /**
      * Login.
      *
-     * @throws RuntimeException
+     * @throws ConnectionRuntimeException
      */
     protected function login()
     {
@@ -215,7 +217,7 @@ class Ftp extends AbstractFtpAdapter
 
         if ( ! $isLoggedIn) {
             $this->disconnect();
-            throw new RuntimeException(
+            throw new ConnectionRuntimeException(
                 'Could not login with connection: ' . $this->getHost() . '::' . $this->getPort(
                 ) . ', username: ' . $this->getUsername()
             );
@@ -526,7 +528,7 @@ class Ftp extends AbstractFtpAdapter
      *
      * @return bool
      *
-     * @throws ErrorException
+     * @throws ConnectionErrorException
      */
     public function isConnected()
     {
@@ -534,7 +536,7 @@ class Ftp extends AbstractFtpAdapter
             return is_resource($this->connection) && ftp_rawlist($this->connection, $this->getRoot()) !== false;
         } catch (ErrorException $e) {
             if (strpos($e->getMessage(), 'ftp_rawlist') === false) {
-                throw $e;
+                throw new ConnectionErrorException($e->getMessage());
             }
 
             return false;
diff --git a/vendor/league/flysystem/src/ConnectionErrorException.php b/vendor/league/flysystem/src/ConnectionErrorException.php
new file mode 100644
index 0000000000..adb651d3db
--- /dev/null
+++ b/vendor/league/flysystem/src/ConnectionErrorException.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace League\Flysystem;
+
+use ErrorException;
+
+class ConnectionErrorException extends ErrorException implements FilesystemException
+{
+}
diff --git a/vendor/league/flysystem/src/ConnectionRuntimeException.php b/vendor/league/flysystem/src/ConnectionRuntimeException.php
new file mode 100644
index 0000000000..8b893ef17a
--- /dev/null
+++ b/vendor/league/flysystem/src/ConnectionRuntimeException.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace League\Flysystem;
+
+use RuntimeException;
+
+class ConnectionRuntimeException extends RuntimeException implements FilesystemException
+{
+}
diff --git a/vendor/league/flysystem/src/Exception.php b/vendor/league/flysystem/src/Exception.php
index d4a9907b4a..4596c0a9a9 100644
--- a/vendor/league/flysystem/src/Exception.php
+++ b/vendor/league/flysystem/src/Exception.php
@@ -2,7 +2,7 @@
 
 namespace League\Flysystem;
 
-class Exception extends \Exception
+class Exception extends \Exception implements FilesystemException
 {
     //
 }
diff --git a/vendor/league/flysystem/src/FilesystemException.php b/vendor/league/flysystem/src/FilesystemException.php
new file mode 100644
index 0000000000..3121e533d7
--- /dev/null
+++ b/vendor/league/flysystem/src/FilesystemException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace League\Flysystem;
+
+interface FilesystemException
+{
+}
diff --git a/vendor/league/flysystem/src/FilesystemNotFoundException.php b/vendor/league/flysystem/src/FilesystemNotFoundException.php
index 0c16aa0198..f928fa1d03 100644
--- a/vendor/league/flysystem/src/FilesystemNotFoundException.php
+++ b/vendor/league/flysystem/src/FilesystemNotFoundException.php
@@ -7,6 +7,6 @@ use LogicException;
 /**
  * Thrown when the MountManager cannot find a filesystem.
  */
-class FilesystemNotFoundException extends LogicException
+class FilesystemNotFoundException extends LogicException implements FilesystemException
 {
 }
diff --git a/vendor/league/flysystem/src/InvalidRootException.php b/vendor/league/flysystem/src/InvalidRootException.php
new file mode 100644
index 0000000000..468d1d58c1
--- /dev/null
+++ b/vendor/league/flysystem/src/InvalidRootException.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace League\Flysystem;
+
+use RuntimeException;
+
+class InvalidRootException extends RuntimeException implements FilesystemException
+{
+}
diff --git a/vendor/league/flysystem/src/NotSupportedException.php b/vendor/league/flysystem/src/NotSupportedException.php
index 08f47f7495..e0a989b22c 100644
--- a/vendor/league/flysystem/src/NotSupportedException.php
+++ b/vendor/league/flysystem/src/NotSupportedException.php
@@ -5,7 +5,7 @@ namespace League\Flysystem;
 use RuntimeException;
 use SplFileInfo;
 
-class NotSupportedException extends RuntimeException
+class NotSupportedException extends RuntimeException implements FilesystemException
 {
     /**
      * Create a new exception for a link.
diff --git a/vendor/league/flysystem/src/RootViolationException.php b/vendor/league/flysystem/src/RootViolationException.php
index 1f2a63d89b..073fc92b43 100644
--- a/vendor/league/flysystem/src/RootViolationException.php
+++ b/vendor/league/flysystem/src/RootViolationException.php
@@ -4,7 +4,7 @@ namespace League\Flysystem;
 
 use LogicException;
 
-class RootViolationException extends LogicException
+class RootViolationException extends LogicException implements FilesystemException
 {
     //
 }
diff --git a/vendor/league/flysystem/src/Util.php b/vendor/league/flysystem/src/Util.php
index 9de37775f4..76454a05ea 100644
--- a/vendor/league/flysystem/src/Util.php
+++ b/vendor/league/flysystem/src/Util.php
@@ -267,12 +267,16 @@ class Util
      *
      * @param resource $resource
      *
-     * @return int stream size
+     * @return int|null stream size
      */
     public static function getStreamSize($resource)
     {
         $stat = fstat($resource);
 
+        if ( ! is_array($stat) || ! isset($stat['size'])) {
+            return null;
+        }
+
         return $stat['size'];
     }