From 4681633b941c889620c41cfea25cf87ef9ad1d67 Mon Sep 17 00:00:00 2001
From: Julien Tessier <julien@cari.agency>
Date: Mon, 1 Apr 2019 19:24:23 +0400
Subject: [PATCH] Update svg-sanitize closes #12, closes #6

---
 composer.json                                 |    2 +-
 composer.lock                                 |   16 +-
 paquet.xml                                    |    8 +-
 vendor/composer/ClassLoader.php               |    4 +-
 vendor/composer/installed.json                |   14 +-
 vendor/enshrined/svg-sanitize/.travis.yml     |    6 +-
 vendor/enshrined/svg-sanitize/README.md       |   16 +
 vendor/enshrined/svg-sanitize/composer.json   |    2 +-
 vendor/enshrined/svg-sanitize/composer.lock   | 1275 +++++++++++++----
 .../enshrined/svg-sanitize/phpunit.xml.dist   |    6 +
 .../enshrined/svg-sanitize/src/Sanitizer.php  |  161 ++-
 .../src/data/AllowedAttributes.php            |   95 +-
 .../svg-sanitize/src/data/AllowedTags.php     |  240 +++-
 .../svg-sanitize/src/svg-scanner.php          |  187 +++
 .../tests/AllowedAttributesTest.php           |    3 +-
 .../svg-sanitize/tests/AllowedTagsTest.php    |    3 +-
 .../svg-sanitize/tests/SanitizerTest.php      |   40 +-
 .../svg-sanitize/tests/data/useClean.svg      |    4 +
 .../svg-sanitize/tests/data/useTest.svg       |    5 +
 19 files changed, 1661 insertions(+), 426 deletions(-)
 create mode 100644 vendor/enshrined/svg-sanitize/src/svg-scanner.php
 create mode 100644 vendor/enshrined/svg-sanitize/tests/data/useClean.svg
 create mode 100644 vendor/enshrined/svg-sanitize/tests/data/useTest.svg

diff --git a/composer.json b/composer.json
index 32084d5..2cb4930 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "spip/logo_svg",
      "require": {
         "php": ">=5.3.3",
-        "enshrined/svg-sanitize": "0.7.2"
+        "enshrined/svg-sanitize": "0.10.0"
     },
     "minimum-stability": "stable"
 }
diff --git a/composer.lock b/composer.lock
index 873b5e3..2eee07c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,28 +1,28 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6bddb8311f5275b3f50fa4445261fe5e",
+    "content-hash": "abb79f488da716bb48d85154413267e8",
     "packages": [
         {
             "name": "enshrined/svg-sanitize",
-            "version": "0.7.2",
+            "version": "0.10.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/darylldoyle/svg-sanitizer.git",
-                "reference": "2768fb1c8868d97145e8f2a5457caf590c8d2062"
+                "reference": "5344d8511e494adf160f71f4b34024d3a3c66c82"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/darylldoyle/svg-sanitizer/zipball/2768fb1c8868d97145e8f2a5457caf590c8d2062",
-                "reference": "2768fb1c8868d97145e8f2a5457caf590c8d2062",
+                "url": "https://api.github.com/repos/darylldoyle/svg-sanitizer/zipball/5344d8511e494adf160f71f4b34024d3a3c66c82",
+                "reference": "5344d8511e494adf160f71f4b34024d3a3c66c82",
                 "shasum": ""
             },
             "require-dev": {
                 "codeclimate/php-test-reporter": "^0.1.2",
-                "phpunit/phpunit": "^4.7"
+                "phpunit/phpunit": "^6"
             },
             "type": "library",
             "autoload": {
@@ -41,7 +41,7 @@
                 }
             ],
             "description": "An SVG sanitizer for PHP",
-            "time": "2017-08-31T00:10:18+00:00"
+            "time": "2019-01-11T12:31:32+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/paquet.xml b/paquet.xml
index 9e5af2b..09eec24 100644
--- a/paquet.xml
+++ b/paquet.xml
@@ -1,9 +1,9 @@
 <paquet
 	prefix="logo_svg"
 	categorie="edition"
-	version="1.3.0"
+	version="1.4.0"
 	etat="stable"
-	compatibilite="[3.1.1;3.2.*]"
+	compatibilite="[3.1.0;3.2.*]"
 	logo="images/logo_logo_svg_32.png"
 	documentation="https://contrib.spip.net/4834"
 >
@@ -11,11 +11,11 @@
 	<nom>Logo SVG</nom>
 
 	<auteur lien="http://www.spip.net">Collectif SPIP</auteur>
-	<auteur lien="http://www.cahri.com">Julien Tessier, Agence Cahri</auteur>
+	<auteur lien="https://www.cari.agency">Julien Tessier, Agence Cari</auteur>
 
 	<licence>GNU/GPL</licence>
 
-	<necessite nom="medias" compatibilite="[2.10.28;]" />
+	<necessite nom="medias" compatibilite="[2.10.27;]" />
 	<style source="css/logo_svg_prive.css" type="prive" />
 
 </paquet>
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index 2c72175..dc02dfb 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -379,9 +379,9 @@ private function findFileWithExtension($class, $ext)
                 $subPath = substr($subPath, 0, $lastPos);
                 $search = $subPath.'\\';
                 if (isset($this->prefixDirsPsr4[$search])) {
+                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
                     foreach ($this->prefixDirsPsr4[$search] as $dir) {
-                        $length = $this->prefixLengthsPsr4[$first][$search];
-                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $length))) {
+                        if (file_exists($file = $dir . $pathEnd)) {
                             return $file;
                         }
                     }
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 20c6244..ec2fdf5 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -1,24 +1,24 @@
 [
     {
         "name": "enshrined/svg-sanitize",
-        "version": "0.7.2",
-        "version_normalized": "0.7.2.0",
+        "version": "0.10.0",
+        "version_normalized": "0.10.0.0",
         "source": {
             "type": "git",
             "url": "https://github.com/darylldoyle/svg-sanitizer.git",
-            "reference": "2768fb1c8868d97145e8f2a5457caf590c8d2062"
+            "reference": "5344d8511e494adf160f71f4b34024d3a3c66c82"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/darylldoyle/svg-sanitizer/zipball/2768fb1c8868d97145e8f2a5457caf590c8d2062",
-            "reference": "2768fb1c8868d97145e8f2a5457caf590c8d2062",
+            "url": "https://api.github.com/repos/darylldoyle/svg-sanitizer/zipball/5344d8511e494adf160f71f4b34024d3a3c66c82",
+            "reference": "5344d8511e494adf160f71f4b34024d3a3c66c82",
             "shasum": ""
         },
         "require-dev": {
             "codeclimate/php-test-reporter": "^0.1.2",
-            "phpunit/phpunit": "^4.7"
+            "phpunit/phpunit": "^6"
         },
-        "time": "2017-08-31T00:10:18+00:00",
+        "time": "2019-01-11T12:31:32+00:00",
         "type": "library",
         "installation-source": "dist",
         "autoload": {
diff --git a/vendor/enshrined/svg-sanitize/.travis.yml b/vendor/enshrined/svg-sanitize/.travis.yml
index c2c4fce..6a32d11 100644
--- a/vendor/enshrined/svg-sanitize/.travis.yml
+++ b/vendor/enshrined/svg-sanitize/.travis.yml
@@ -1,10 +1,8 @@
 language: php
 php:
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
   - 7.0
+  - 7.1
+  - 7.2
 
 before_script:
   - composer install --dev
diff --git a/vendor/enshrined/svg-sanitize/README.md b/vendor/enshrined/svg-sanitize/README.md
index a80c721..aef40e6 100644
--- a/vendor/enshrined/svg-sanitize/README.md
+++ b/vendor/enshrined/svg-sanitize/README.md
@@ -48,6 +48,14 @@ This defaults to false, set to true to remove references.
 
 `$sanitizer->removeRemoteReferences(true);`
 
+## Viewing Sanitisation Issues
+
+You may use the `getXmlIssues()` method to return an array of issues that occurred during sanitisation.
+
+This may be useful for logging or providing feedback to the user on why an SVG was refused.
+
+`$issues = $sanitizer->getXmlIssues();`
+
 ## Minification
 
 You can minify the XML output by calling `$sanitiser->minify(true);`.
@@ -67,6 +75,14 @@ I've just released a WordPress plugin containing this code so you can sanitize y
 
 You can run these by running `phpunit`
 
+## Standalone scanning of files via CLI
+
+Thanks to the work by [gudmdharalds](https://github.com/gudmdharalds) there's now a standalone scanner that can be used via the CLI.
+
+Any errors will be output in JSON format. See [the PR](https://github.com/darylldoyle/svg-sanitizer/pull/25) for an example.
+
+Use it as follows: `php svg-scanner.php ~/svgs/myfile.svg`
+
 ## To-Do
 
 More extensive testing for the SVGs/XML would be lovely, I'll try and add these soon. If you feel like doing it for me, please do and make a PR!
\ No newline at end of file
diff --git a/vendor/enshrined/svg-sanitize/composer.json b/vendor/enshrined/svg-sanitize/composer.json
index c0d95dc..910cd73 100644
--- a/vendor/enshrined/svg-sanitize/composer.json
+++ b/vendor/enshrined/svg-sanitize/composer.json
@@ -16,7 +16,7 @@
     "minimum-stability": "stable",
     "require": {},
     "require-dev": {
-        "phpunit/phpunit": "^4.7",
+        "phpunit/phpunit": "^6",
         "codeclimate/php-test-reporter": "^0.1.2"
     }
 }
diff --git a/vendor/enshrined/svg-sanitize/composer.lock b/vendor/enshrined/svg-sanitize/composer.lock
index 196af8b..02a0382 100644
--- a/vendor/enshrined/svg-sanitize/composer.lock
+++ b/vendor/enshrined/svg-sanitize/composer.lock
@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "hash": "5de16e26bfc22a583a99a771e94688b8",
+    "content-hash": "cf1f0e14b588378abe1857f6f62083e9",
     "packages": [],
     "packages-dev": [
         {
@@ -62,7 +62,7 @@
                 "codeclimate",
                 "coverage"
             ],
-            "time": "2014-07-23 13:42:41"
+            "time": "2014-07-23T13:42:41+00:00"
         },
         {
             "name": "doctrine/instantiator",
@@ -116,7 +116,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "guzzle/guzzle",
@@ -211,41 +211,292 @@
                 "rest",
                 "web service"
             ],
-            "time": "2015-03-18 18:23:50"
+            "abandoned": "guzzlehttp/guzzle",
+            "time": "2015-03-18T18:23:50+00:00"
+        },
+        {
+            "name": "myclabs/deep-copy",
+            "version": "1.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/myclabs/DeepCopy.git",
+                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0"
+            },
+            "require-dev": {
+                "doctrine/collections": "^1.0",
+                "doctrine/common": "^2.6",
+                "phpunit/phpunit": "^4.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DeepCopy\\": "src/DeepCopy/"
+                },
+                "files": [
+                    "src/DeepCopy/deep_copy.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Create deep copies (clones) of your objects",
+            "keywords": [
+                "clone",
+                "copy",
+                "duplicate",
+                "object",
+                "object graph"
+            ],
+            "time": "2017-10-19T19:58:43+00:00"
+        },
+        {
+            "name": "phar-io/manifest",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phar-io/manifest.git",
+                "reference": "2df402786ab5368a0169091f61a7c1e0eb6852d0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phar-io/manifest/zipball/2df402786ab5368a0169091f61a7c1e0eb6852d0",
+                "reference": "2df402786ab5368a0169091f61a7c1e0eb6852d0",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-phar": "*",
+                "phar-io/version": "^1.0.1",
+                "php": "^5.6 || ^7.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Heuer",
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Component for reading phar.io manifest information from a PHP Archive (PHAR)",
+            "time": "2017-03-05T18:14:27+00:00"
+        },
+        {
+            "name": "phar-io/version",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phar-io/version.git",
+                "reference": "a70c0ced4be299a63d32fa96d9281d03e94041df"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phar-io/version/zipball/a70c0ced4be299a63d32fa96d9281d03e94041df",
+                "reference": "a70c0ced4be299a63d32fa96d9281d03e94041df",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Heuer",
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Library for handling version information and constraints",
+            "time": "2017-03-05T17:38:23+00:00"
+        },
+        {
+            "name": "phpdocumentor/reflection-common",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpDocumentor/ReflectionCommon.git",
+                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
+                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.6"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "phpDocumentor\\Reflection\\": [
+                        "src"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jaap van Otterdijk",
+                    "email": "opensource@ijaap.nl"
+                }
+            ],
+            "description": "Common reflection classes used by phpdocumentor to reflect the code structure",
+            "homepage": "http://www.phpdoc.org",
+            "keywords": [
+                "FQSEN",
+                "phpDocumentor",
+                "phpdoc",
+                "reflection",
+                "static analysis"
+            ],
+            "time": "2017-09-11T18:02:19+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "2.0.4",
+            "version": "4.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
+                "reference": "94fd0001232e47129dd3504189fa1c7225010d08"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8",
-                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/94fd0001232e47129dd3504189fa1c7225010d08",
+                "reference": "94fd0001232e47129dd3504189fa1c7225010d08",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.0",
+                "phpdocumentor/reflection-common": "^1.0.0",
+                "phpdocumentor/type-resolver": "^0.4.0",
+                "webmozart/assert": "^1.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "doctrine/instantiator": "~1.0.5",
+                "mockery/mockery": "^1.0",
+                "phpunit/phpunit": "^6.4"
             },
-            "suggest": {
-                "dflydev/markdown": "~1.0",
-                "erusev/parsedown": "~1.0"
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "phpDocumentor\\Reflection\\": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mike van Riel",
+                    "email": "me@mikevanriel.com"
+                }
+            ],
+            "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
+            "time": "2017-11-30T07:14:17+00:00"
+        },
+        {
+            "name": "phpdocumentor/type-resolver",
+            "version": "0.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpDocumentor/TypeResolver.git",
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/9c977708995954784726e25d0cd1dddf4e65b0f7",
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5 || ^7.0",
+                "phpdocumentor/reflection-common": "^1.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "^0.9.4",
+                "phpunit/phpunit": "^5.2||^4.8.24"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "1.0.x-dev"
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "phpDocumentor": [
+                "psr-4": {
+                    "phpDocumentor\\Reflection\\": [
                         "src/"
                     ]
                 }
@@ -257,37 +508,40 @@
             "authors": [
                 {
                     "name": "Mike van Riel",
-                    "email": "mike.vanriel@naenius.com"
+                    "email": "me@mikevanriel.com"
                 }
             ],
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+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Debug Component",
+            "homepage": "https://symfony.com",
+            "time": "2018-09-22T18:25:03+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v2.7.1",
+            "version": "v2.8.46",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/EventDispatcher.git",
-                "reference": "be3c5ff8d503c46768aeb78ce6333051aa6f26d9"
+                "url": "https://github.com/symfony/event-dispatcher.git",
+                "reference": "84ae343f39947aa084426ed1138bb96bf94d1f12"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/EventDispatcher/zipball/be3c5ff8d503c46768aeb78ce6333051aa6f26d9",
-                "reference": "be3c5ff8d503c46768aeb78ce6333051aa6f26d9",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/84ae343f39947aa084426ed1138bb96bf94d1f12",
+                "reference": "84ae343f39947aa084426ed1138bb96bf94d1f12",
                 "shasum": ""
             },
             "require": {
@@ -1295,11 +1842,10 @@
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.0,>=2.0.5",
-                "symfony/dependency-injection": "~2.6",
-                "symfony/expression-language": "~2.6",
-                "symfony/phpunit-bridge": "~2.7",
-                "symfony/stopwatch": "~2.3"
+                "symfony/config": "^2.0.5|~3.0.0",
+                "symfony/dependency-injection": "~2.6|~3.0.0",
+                "symfony/expression-language": "~2.6|~3.0.0",
+                "symfony/stopwatch": "~2.3|~3.0.0"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -1308,13 +1854,16 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "2.8-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\EventDispatcher\\": ""
-                }
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1332,38 +1881,39 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2015-06-08 09:37:21"
+            "time": "2018-07-26T09:03:18+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v2.7.1",
+            "version": "v3.4.16",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/Filesystem.git",
-                "reference": "a0d43eb3e17d4f4c6990289805a488a0482a07f3"
+                "url": "https://github.com/symfony/filesystem.git",
+                "reference": "f89ab242d915d188fca95ee3291c72c5a094a195"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Filesystem/zipball/a0d43eb3e17d4f4c6990289805a488a0482a07f3",
-                "reference": "a0d43eb3e17d4f4c6990289805a488a0482a07f3",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/f89ab242d915d188fca95ee3291c72c5a094a195",
+                "reference": "f89ab242d915d188fca95ee3291c72c5a094a195",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9"
-            },
-            "require-dev": {
-                "symfony/phpunit-bridge": "~2.7"
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\Filesystem\\": ""
-                }
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1381,38 +1931,155 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2015-06-08 09:37:21"
+            "time": "2018-09-30T03:32:28+00:00"
         },
         {
-            "name": "symfony/stopwatch",
-            "version": "v2.7.1",
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.9.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/Stopwatch.git",
-                "reference": "c653f1985f6c2b7dbffd04d48b9c0a96aaef814b"
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Stopwatch/zipball/c653f1985f6c2b7dbffd04d48b9c0a96aaef814b",
-                "reference": "c653f1985f6c2b7dbffd04d48b9c0a96aaef814b",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/e3d826245268269cd66f8326bd8bc066687b4a19",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9"
+                "php": ">=5.3.3"
             },
-            "require-dev": {
-                "symfony/phpunit-bridge": "~2.7"
+            "suggest": {
+                "ext-ctype": "For best performance"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "1.9-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Stopwatch\\": ""
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
                 }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2018-08-06T14:22:27+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "d0cd638f4634c16d8df4508e847f14e9e43168b8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/d0cd638f4634c16d8df4508e847f14e9e43168b8",
+                "reference": "d0cd638f4634c16d8df4508e847f14e9e43168b8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2018-08-06T14:22:27+00:00"
+        },
+        {
+            "name": "symfony/stopwatch",
+            "version": "v3.4.16",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/stopwatch.git",
+                "reference": "deda2765e8dab2fc38492e926ea690f2a681f59d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/stopwatch/zipball/deda2765e8dab2fc38492e926ea690f2a681f59d",
+                "reference": "deda2765e8dab2fc38492e926ea690f2a681f59d",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Stopwatch\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1430,38 +2097,48 @@
             ],
             "description": "Symfony Stopwatch Component",
             "homepage": "https://symfony.com",
-            "time": "2015-06-04 20:11:48"
+            "time": "2018-07-26T10:03:52+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.7.1",
+            "version": "v3.4.16",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/Yaml.git",
-                "reference": "9808e75c609a14f6db02f70fccf4ca4aab53c160"
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "61973ecda60e9f3561e929e19c07d4878b960fc1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Yaml/zipball/9808e75c609a14f6db02f70fccf4ca4aab53c160",
-                "reference": "9808e75c609a14f6db02f70fccf4ca4aab53c160",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/61973ecda60e9f3561e929e19c07d4878b960fc1",
+                "reference": "61973ecda60e9f3561e929e19c07d4878b960fc1",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9"
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
             },
             "require-dev": {
-                "symfony/phpunit-bridge": "~2.7"
+                "symfony/console": "~3.4|~4.0"
+            },
+            "suggest": {
+                "symfony/console": "For validating YAML files using the lint command"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\Yaml\\": ""
-                }
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1479,7 +2156,97 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-06-10 15:30:22"
+            "time": "2018-09-24T08:15:45+00:00"
+        },
+        {
+            "name": "theseer/tokenizer",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/theseer/tokenizer.git",
+                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
+            "time": "2017-04-07T12:08:54+00:00"
+        },
+        {
+            "name": "webmozart/assert",
+            "version": "1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/webmozart/assert.git",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/0df1908962e7a3071564e857d86874dad1ef204a",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.3 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.6",
+                "sebastian/version": "^1.0.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Webmozart\\Assert\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                }
+            ],
+            "description": "Assertions to validate method input/output with nice error messages.",
+            "keywords": [
+                "assert",
+                "check",
+                "validate"
+            ],
+            "time": "2018-01-29T19:49:41+00:00"
         }
     ],
     "aliases": [],
diff --git a/vendor/enshrined/svg-sanitize/phpunit.xml.dist b/vendor/enshrined/svg-sanitize/phpunit.xml.dist
index e405ce3..c05b76b 100644
--- a/vendor/enshrined/svg-sanitize/phpunit.xml.dist
+++ b/vendor/enshrined/svg-sanitize/phpunit.xml.dist
@@ -14,4 +14,10 @@
         <log type="coverage-clover" target="./build/logs/clover.xml"/>
     </logging>
 
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">./src</directory>
+        </whitelist>
+    </filter>
+
 </phpunit>
\ No newline at end of file
diff --git a/vendor/enshrined/svg-sanitize/src/Sanitizer.php b/vendor/enshrined/svg-sanitize/src/Sanitizer.php
index f846192..b621987 100644
--- a/vendor/enshrined/svg-sanitize/src/Sanitizer.php
+++ b/vendor/enshrined/svg-sanitize/src/Sanitizer.php
@@ -1,9 +1,7 @@
 <?php
 
-
 namespace enshrined\svgSanitize;
 
-
 use DOMDocument;
 use enshrined\svgSanitize\data\AllowedAttributes;
 use enshrined\svgSanitize\data\AllowedTags;
@@ -58,16 +56,24 @@ class Sanitizer
      */
     protected $removeXMLTag = false;
 
+    /**
+     * @var int
+     */
+    protected $xmlOptions = LIBXML_NOEMPTYTAG;
+
+    /**
+     * @var array
+     */
+    protected $xmlIssues = array();
+
     /**
      *
      */
     function __construct()
     {
-        $this->resetInternal();
-
         // Load default tags/attributes
-        $this->allowedAttrs = AllowedAttributes::getAttributes();
-        $this->allowedTags = AllowedTags::getTags();
+        $this->allowedAttrs = array_map('strtolower', AllowedAttributes::getAttributes());
+        $this->allowedTags = array_map('strtolower', AllowedTags::getTags());
     }
 
     /**
@@ -78,12 +84,29 @@ protected function resetInternal()
         $this->xmlDocument = new DOMDocument();
         $this->xmlDocument->preserveWhiteSpace = false;
         $this->xmlDocument->strictErrorChecking = false;
-        $this->xmlDocument->formatOutput = true;
+        $this->xmlDocument->formatOutput = !$this->minifyXML;
+    }
 
-        // Maybe don't format the output
-        if($this->minifyXML) {
-            $this->xmlDocument->formatOutput = false;
-        }
+    /**
+     * Set XML options to use when saving XML
+     * See: DOMDocument::saveXML
+     * 
+     * @param int  $xmlOptions
+     */
+    public function setXMLOptions($xmlOptions)
+    {
+        $this->xmlOptions = $xmlOptions;
+    }
+
+     /**
+     * Get XML options to use when saving XML
+     * See: DOMDocument::saveXML
+     * 
+     * @return int
+     */
+    public function getXMLOptions()
+    {
+       return $this->xmlOptions;
     }
 
     /**
@@ -103,7 +126,7 @@ public function getAllowedTags()
      */
     public function setAllowedTags(TagInterface $allowedTags)
     {
-        $this->allowedTags = $allowedTags::getTags();
+        $this->allowedTags = array_map('strtolower', $allowedTags::getTags());
     }
 
     /**
@@ -123,7 +146,7 @@ public function getAllowedAttrs()
      */
     public function setAllowedAttrs(AttributeInterface $allowedAttrs)
     {
-        $this->allowedAttrs = $allowedAttrs::getAttributes();
+        $this->allowedAttrs = array_map('strtolower', $allowedAttrs::getAttributes());
     }
 
     /**
@@ -136,6 +159,16 @@ public function removeRemoteReferences($removeRemoteRefs = false)
         $this->removeRemoteReferences = $removeRemoteRefs;
     }
 
+    /**
+     * Get XML issues.
+     *
+     * @return array
+     */
+    public function getXmlIssues() {
+         return $this->xmlIssues;
+    }
+
+
     /**
      * Sanitize the passed string
      *
@@ -152,6 +185,7 @@ public function sanitize($dirty)
         // Strip php tags
         $dirty = preg_replace('/<\?(=|php)(.+?)\?>/i', '', $dirty);
 
+        $this->resetInternal();
         $this->setUpBefore();
 
         $loaded = $this->xmlDocument->loadXML($dirty);
@@ -171,16 +205,16 @@ public function sanitize($dirty)
         $this->startClean($allElements);
 
         // Save cleaned XML to a variable
-        if($this->removeXMLTag) {
-            $clean = $this->xmlDocument->saveXML($this->xmlDocument->documentElement, LIBXML_NOEMPTYTAG);
+        if ($this->removeXMLTag) {
+            $clean = $this->xmlDocument->saveXML($this->xmlDocument->documentElement, $this->xmlOptions);
         } else {
-            $clean = $this->xmlDocument->saveXML($this->xmlDocument, LIBXML_NOEMPTYTAG);
+            $clean = $this->xmlDocument->saveXML($this->xmlDocument, $this->xmlOptions);
         }
 
         $this->resetAfter();
 
         // Remove any extra whitespaces when minifying
-        if($this->minifyXML) {
+        if ($this->minifyXML) {
             $clean = preg_replace('/\s+/', ' ', $clean);
         }
 
@@ -198,6 +232,9 @@ protected function setUpBefore()
 
         // Suppress the errors because we don't really have to worry about formation before cleansing
         libxml_use_internal_errors(true);
+ 
+        // Reset array of altered XML
+        $this->xmlIssues = array();
     }
 
     /**
@@ -205,10 +242,7 @@ protected function setUpBefore()
      */
     protected function resetAfter()
     {
-        // Reset DOMDocument to a clean state in case we use it again
-        $this->resetInternal();
-
-        // Reset the entity loader3
+        // Reset the entity loader
         libxml_disable_entity_loader($this->xmlLoaderValue);
     }
 
@@ -241,6 +275,10 @@ protected function startClean(\DOMNodeList $elements)
             // If the tag isn't in the whitelist, remove it and continue with next iteration
             if (!in_array(strtolower($currentElement->tagName), $this->allowedTags)) {
                 $currentElement->parentNode->removeChild($currentElement);
+                $this->xmlIssues[] = array(
+                    'message' => 'Suspicious tag \'' . $currentElement->tagName . '\'',
+                    'line' => $currentElement->getLineNo(),
+		);
                 continue;
             }
 
@@ -249,6 +287,17 @@ protected function startClean(\DOMNodeList $elements)
             $this->cleanXlinkHrefs($currentElement);
 
             $this->cleanHrefs($currentElement);
+
+            if (strtolower($currentElement->tagName) === 'use') {
+                if ($this->isUseTagDirty($currentElement)) {
+                    $currentElement->parentNode->removeChild($currentElement);
+                    $this->xmlIssues[] = array(
+                        'message' => 'Suspicious \'' . $currentElement->tagName . '\'',
+			'line' => $currentElement->getLineNo(),
+                    );
+                    continue;
+                }
+            }
         }
     }
 
@@ -265,7 +314,12 @@ protected function cleanAttributesOnWhitelist(\DOMElement $element)
 
             // Remove attribute if not in whitelist
             if (!in_array(strtolower($attrName), $this->allowedAttrs) && !$this->isAriaAttribute(strtolower($attrName)) && !$this->isDataAttribute(strtolower($attrName))) {
+
                 $element->removeAttribute($attrName);
+                $this->xmlIssues[] = array(
+                    'message' => 'Suspicious attribute \'' . $attrName . '\'',
+                    'line' => $element->getLineNo(),
+		);
             }
 
             // Do we want to strip remote references?
@@ -273,6 +327,10 @@ protected function cleanAttributesOnWhitelist(\DOMElement $element)
                 // Remove attribute if it has a remote reference
                 if (isset($element->attributes->item($x)->value) && $this->hasRemoteReference($element->attributes->item($x)->value)) {
                     $element->removeAttribute($attrName);
+                    $this->xmlIssues[] = array(
+                        'message' => 'Suspicious attribute \'' . $attrName . '\'',
+                        'line' => $element->getLineNo(),
+		    );
                 }
             }
         }
@@ -283,11 +341,25 @@ protected function cleanAttributesOnWhitelist(\DOMElement $element)
      *
      * @param \DOMElement $element
      */
-    protected function cleanXlinkHrefs(\DOMElement &$element)
+    protected function cleanXlinkHrefs(\DOMElement $element)
     {
         $xlinks = $element->getAttributeNS('http://www.w3.org/1999/xlink', 'href');
         if (preg_match(self::SCRIPT_REGEX, $xlinks) === 1) {
-            $element->removeAttributeNS('http://www.w3.org/1999/xlink', 'href');
+            if (!in_array(substr($xlinks, 0, 14), array(
+                'data:image/png', // PNG
+                'data:image/gif', // GIF
+                'data:image/jpg', // JPG
+                'data:image/jpe', // JPEG
+                'data:image/pjp', // PJPEG
+            ))) {
+                $element->removeAttributeNS( 'http://www.w3.org/1999/xlink', 'href' );
+                $this->xmlIssues[] = array(
+                    'message' => 'Suspicious attribute \'href\'',
+                    'line' => $element->getLineNo(),
+		);
+
+
+           }
         }
     }
 
@@ -296,11 +368,15 @@ protected function cleanXlinkHrefs(\DOMElement &$element)
      *
      * @param \DOMElement $element
      */
-    protected function cleanHrefs(\DOMElement &$element)
+    protected function cleanHrefs(\DOMElement $element)
     {
         $href = $element->getAttribute('href');
         if (preg_match(self::SCRIPT_REGEX, $href) === 1) {
             $element->removeAttribute('href');
+            $this->xmlIssues[] = array(
+                'message' => 'Suspicious attribute \'href\'',
+                'line' => $element->getLineNo(),
+            );
         }
     }
 
@@ -321,7 +397,8 @@ protected function removeNonPrintableCharacters($value)
      * @param $value
      * @return bool
      */
-    protected function hasRemoteReference($value){
+    protected function hasRemoteReference($value)
+    {
         $value = $this->removeNonPrintableCharacters($value);
 
         $wrapped_in_url = preg_match('~^url\(\s*[\'"]\s*(.*)\s*[\'"]\s*\)$~xi', $value, $match);
@@ -331,11 +408,7 @@ protected function hasRemoteReference($value){
 
         $value = trim($match[1], '\'"');
 
-        if (preg_match('~^((https?|ftp|file):)?//~xi', $value)){
-            return true;
-        }
-
-        return false;
+        return preg_match('~^((https?|ftp|file):)?//~xi', $value);
     }
 
     /**
@@ -353,7 +426,7 @@ public function minify($shouldMinify = false)
      *
      * @param bool $removeXMLTag
      */
-    public function removeXMLTag ($removeXMLTag = false)
+    public function removeXMLTag($removeXMLTag = false)
     {
         $this->removeXMLTag = (bool) $removeXMLTag;
     }
@@ -365,15 +438,9 @@ public function removeXMLTag ($removeXMLTag = false)
      *
      * @return bool
      */
-    protected function isAriaAttribute( $attributeName )
+    protected function isAriaAttribute($attributeName)
     {
-        $position = strpos($attributeName, 'aria-');
-
-        if($position === 0) {
-            return true;
-        }
-
-        return false;
+        return strpos($attributeName, 'aria-') === 0;
     }
 
     /**
@@ -383,11 +450,21 @@ protected function isAriaAttribute( $attributeName )
      *
      * @return bool
      */
-    protected function isDataAttribute( $attributeName )
+    protected function isDataAttribute($attributeName)
     {
-        $position = strpos($attributeName, 'data-');
+        return strpos($attributeName, 'data-') === 0;
+    }
 
-        if($position === 0) {
+    /**
+     * Make sure our use tag is only referencing internal resources
+     *
+     * @param \DOMElement $element
+     * @return bool
+     */
+    protected function isUseTagDirty(\DOMElement $element)
+    {
+        $xlinks = $element->getAttributeNS('http://www.w3.org/1999/xlink', 'href');
+        if ($xlinks && substr($xlinks, 0, 1) !== '#') {
             return true;
         }
 
diff --git a/vendor/enshrined/svg-sanitize/src/data/AllowedAttributes.php b/vendor/enshrined/svg-sanitize/src/data/AllowedAttributes.php
index 11b81c0..a0c9788 100644
--- a/vendor/enshrined/svg-sanitize/src/data/AllowedAttributes.php
+++ b/vendor/enshrined/svg-sanitize/src/data/AllowedAttributes.php
@@ -39,6 +39,7 @@ public static function getAttributes()
             'cols',
             'colspan',
             'coords',
+            'crossorigin',
             'datetime',
             'default',
             'dir',
@@ -54,6 +55,7 @@ public static function getAttributes()
             'href',
             'hreflang',
             'id',
+            'integrity',
             'ismap',
             'label',
             'lang',
@@ -91,10 +93,12 @@ public static function getAttributes()
             'selected',
             'shape',
             'size',
+            'sizes',
             'span',
             'srclang',
             'start',
             'src',
+            'srcset',
             'step',
             'style',
             'summary',
@@ -121,6 +125,7 @@ public static function getAttributes()
             'begin',
             'bias',
             'by',
+            'class',
             'clip',
             'clip-path',
             'clip-rule',
@@ -163,6 +168,9 @@ public static function getAttributes()
             'glyphref',
             'gradientunits',
             'gradienttransform',
+            'height',
+            'href',
+            'id',
             'image-rendering',
             'in',
             'in2',
@@ -175,6 +183,7 @@ public static function getAttributes()
             'keypoints',
             'keysplines',
             'keytimes',
+            'lang',
             'lengthadjust',
             'letter-spacing',
             'kernelmatrix',
@@ -191,8 +200,11 @@ public static function getAttributes()
             'maskunits',
             'max',
             'mask',
+            'media',
+            'method',
             'mode',
             'min',
+            'name',
             'numoctaves',
             'offset',
             'operator',
@@ -210,6 +222,7 @@ public static function getAttributes()
             'patternunits',
             'points',
             'preservealpha',
+            'preserveaspectratio',
             'r',
             'rx',
             'ry',
@@ -239,7 +252,9 @@ public static function getAttributes()
             'stroke-opacity',
             'stroke',
             'stroke-width',
+            'style',
             'surfacescale',
+            'tabindex',
             'targetx',
             'targety',
             'transform',
@@ -247,6 +262,7 @@ public static function getAttributes()
             'text-decoration',
             'text-rendering',
             'textlength',
+            'type',
             'u1',
             'u2',
             'unicode',
@@ -256,6 +272,7 @@ public static function getAttributes()
             'vert-adv-y',
             'vert-origin-x',
             'vert-origin-y',
+            'width',
             'word-spacing',
             'wrap',
             'writing-mode',
@@ -264,6 +281,7 @@ public static function getAttributes()
             'x',
             'x1',
             'x2',
+            'xmlns',
             'y',
             'y1',
             'y2',
@@ -273,6 +291,7 @@ public static function getAttributes()
             // MathML
             'accent',
             'accentunder',
+            'align',
             'bevelled',
             'close',
             'columnsalign',
@@ -280,10 +299,14 @@ public static function getAttributes()
             'columnspan',
             'denomalign',
             'depth',
+            'dir',
             'display',
             'displaystyle',
             'fence',
             'frame',
+            'height',
+            'href',
+            'id',
             'largeop',
             'length',
             'linethickness',
@@ -311,11 +334,14 @@ public static function getAttributes()
             'selection',
             'separator',
             'separators',
+            'slope',
             'stretchy',
             'subscriptshift',
             'supscriptshift',
             'symmetric',
             'voffset',
+            'width',
+            'xmlns',
 
             // XML
             'xlink:href',
@@ -323,73 +349,6 @@ public static function getAttributes()
             'xlink:title',
             'xml:space',
             'xmlns:xlink',
-
-
-            // Camel Case
-            'allowreorder',
-            'attributename',
-            'attributetype',
-            'autoreverse',
-            'basefrequency',
-            'baseprofile',
-            'calcmode',
-            'clippathunits',
-            'contentscripttype',
-            'contentstyletype',
-            'diffuseconstant',
-            'edgemode',
-            'externalresourcesrequired',
-            'filterres',
-            'filterunits',
-            'glyphref',
-            'gradienttransform',
-            'gradientunits',
-            'kernelmatrix',
-            'kernelunitlength',
-            'keypoints',
-            'keysplines',
-            'keytimes',
-            'lengthadjust',
-            'limitingconeangle',
-            'markerheight',
-            'markerunits',
-            'markerwidth',
-            'maskcontentunits',
-            'maskunits',
-            'numoctaves',
-            'pathlength',
-            'patterncontentunits',
-            'patterntransform',
-            'patternunits',
-            'pointsatx',
-            'pointsaty',
-            'pointsatz',
-            'preservealpha',
-            'preserveaspectratio',
-            'primitiveunits',
-            'refx',
-            'refy',
-            'repeatcount',
-            'repeatdur',
-            'requiredextensions',
-            'requiredfeatures',
-            'specularconstant',
-            'specularexponent',
-            'spreadmethod',
-            'startoffset',
-            'stddeviation',
-            'stitchtiles',
-            'surfacescale',
-            'systemlanguage',
-            'tablevalues',
-            'targetx',
-            'targety',
-            'textlength',
-            'viewbox',
-            'viewtarget',
-            'xchannelselector',
-            'ychannelselector',
-            'zoomandpan',
         );
     }
-}
\ No newline at end of file
+}
diff --git a/vendor/enshrined/svg-sanitize/src/data/AllowedTags.php b/vendor/enshrined/svg-sanitize/src/data/AllowedTags.php
index b6a2df0..5b0f3de 100644
--- a/vendor/enshrined/svg-sanitize/src/data/AllowedTags.php
+++ b/vendor/enshrined/svg-sanitize/src/data/AllowedTags.php
@@ -21,43 +21,225 @@ public static function getTags()
     {
         return array (
             // HTML
-            'a','abbr','acronym','address','area','article','aside','audio','b',
-            'bdi','bdo','big','blink','blockquote','body','br','button','canvas',
-            'caption','center','cite','code','col','colgroup','content','data',
-            'datalist','dd','decorator','del','details','dfn','dir','div','dl','dt',
-            'element','em','fieldset','figcaption','figure','font','footer','form',
-            'h1','h2','h3','h4','h5','h6','head','header','hgroup','hr','html','i',
-            'img','input','ins','kbd','label','legend','li','main','map','mark',
-            'marquee','menu','menuitem','meter','nav','nobr','ol','optgroup',
-            'option','output','p','pre','progress','q','rp','rt','ruby','s','samp',
-            'section','select','shadow','small','source','spacer','span','strike',
-            'strong','style','sub','summary','sup','table','tbody','td','template',
-            'textarea','tfoot','th','thead','time','tr','track','tt','u','ul','use','var',
-            'video','wbr',
+            'a',
+            'abbr',
+            'acronym',
+            'address',
+            'area',
+            'article',
+            'aside',
+            'audio',
+            'b',
+            'bdi',
+            'bdo',
+            'big',
+            'blink',
+            'blockquote',
+            'body',
+            'br',
+            'button',
+            'canvas',
+            'caption',
+            'center',
+            'cite',
+            'code',
+            'col',
+            'colgroup',
+            'content',
+            'data',
+            'datalist',
+            'dd',
+            'decorator',
+            'del',
+            'details',
+            'dfn',
+            'dir',
+            'div',
+            'dl',
+            'dt',
+            'element',
+            'em',
+            'fieldset',
+            'figcaption',
+            'figure',
+            'font',
+            'footer',
+            'form',
+            'h1',
+            'h2',
+            'h3',
+            'h4',
+            'h5',
+            'h6',
+            'head',
+            'header',
+            'hgroup',
+            'hr',
+            'html',
+            'i',
+            'image',
+            'img',
+            'input',
+            'ins',
+            'kbd',
+            'label',
+            'legend',
+            'li',
+            'main',
+            'map',
+            'mark',
+            'marquee',
+            'menu',
+            'menuitem',
+            'meter',
+            'nav',
+            'nobr',
+            'ol',
+            'optgroup',
+            'option',
+            'output',
+            'p',
+            'pre',
+            'progress',
+            'q',
+            'rp',
+            'rt',
+            'ruby',
+            's',
+            'samp',
+            'section',
+            'select',
+            'shadow',
+            'small',
+            'source',
+            'spacer',
+            'span',
+            'strike',
+            'strong',
+            'style',
+            'sub',
+            'summary',
+            'sup',
+            'table',
+            'tbody',
+            'td',
+            'template',
+            'textarea',
+            'tfoot',
+            'th',
+            'thead',
+            'time',
+            'tr',
+            'track',
+            'tt',
+            'u',
+            'ul',
+            'var',
+            'video',
+            'wbr',
 
             // SVG
-            'svg','altglyph','altglyphdef','altglyphitem','animatecolor',
-            'animatemotion','animatetransform','circle','clippath','defs','desc',
-            'ellipse','filter','font','g','glyph','glyphref','hkern','image','line',
-            'lineargradient','marker','mask','metadata','mpath','path','pattern',
-            'polygon','polyline','radialgradient','rect','stop','switch','symbol',
-            'text','textpath','title','tref','tspan','view','vkern',
+            'svg',
+            'altglyph',
+            'altglyphdef',
+            'altglyphitem',
+            'animatecolor',
+            'animatemotion',
+            'animatetransform',
+            'circle',
+            'clippath',
+            'defs',
+            'desc',
+            'ellipse',
+            'filter',
+            'font',
+            'g',
+            'glyph',
+            'glyphref',
+            'hkern',
+            'image',
+            'line',
+            'lineargradient',
+            'marker',
+            'mask',
+            'metadata',
+            'mpath',
+            'path',
+            'pattern',
+            'polygon',
+            'polyline',
+            'radialgradient',
+            'rect',
+            'stop',
+            'switch',
+            'symbol',
+            'text',
+            'textpath',
+            'title',
+            'tref',
+            'tspan',
+            'use',
+            'view',
+            'vkern',
 
             // SVG Filters
-            'feblend','fecolormatrix','fecomponenttransfer','fecomposite',
-            'feconvolvematrix','fediffuselighting','fedisplacementmap',
-            'feflood','fefunca','fefuncb','fefuncg','fefuncr','fegaussianblur',
-            'femerge','femergenode','femorphology','feoffset',
-            'fespecularlighting','fetile','feturbulence',
+            'feBlend',
+            'feColorMatrix',
+            'feComponentTransfer',
+            'feComposite',
+            'feConvolveMatrix',
+            'feDiffuseLighting',
+            'feDisplacementMap',
+            'feDistantLight',
+            'feFlood',
+            'feFuncA',
+            'feFuncB',
+            'feFuncG',
+            'feFuncR',
+            'feGaussianBlur',
+            'feMerge',
+            'feMergeNode',
+            'feMorphology',
+            'feOffset',
+            'fePointLight',
+            'feSpecularLighting',
+            'feSpotLight',
+            'feTile',
+            'feTurbulence',
 
             //MathML
-            'math','menclose','merror','mfenced','mfrac','mglyph','mi','mlabeledtr',
-            'mmuliscripts','mn','mo','mover','mpadded','mphantom','mroot','mrow',
-            'ms','mpspace','msqrt','mystyle','msub','msup','msubsup','mtable','mtd',
-            'mtext','mtr','munder','munderover',
+            'math',
+            'menclose',
+            'merror',
+            'mfenced',
+            'mfrac',
+            'mglyph',
+            'mi',
+            'mlabeledtr',
+            'mmuliscripts',
+            'mn',
+            'mo',
+            'mover',
+            'mpadded',
+            'mphantom',
+            'mroot',
+            'mrow',
+            'ms',
+            'mpspace',
+            'msqrt',
+            'mystyle',
+            'msub',
+            'msup',
+            'msubsup',
+            'mtable',
+            'mtd',
+            'mtext',
+            'mtr',
+            'munder',
+            'munderover',
 
             //text
             '#text'
         );
     }
-}
\ No newline at end of file
+}
diff --git a/vendor/enshrined/svg-sanitize/src/svg-scanner.php b/vendor/enshrined/svg-sanitize/src/svg-scanner.php
new file mode 100644
index 0000000..0da242f
--- /dev/null
+++ b/vendor/enshrined/svg-sanitize/src/svg-scanner.php
@@ -0,0 +1,187 @@
+#!/usr/bin/env php
+<?php
+
+/*
+ * Simple program that uses svg-sanitizer
+ * to find issues in files specified on the
+ * command line, and prints a JSON output with
+ * the issues found on exit.
+ */
+
+require_once( __DIR__ . '/data/AttributeInterface.php' );
+require_once( __DIR__ . '/data/TagInterface.php' );
+require_once( __DIR__ . '/data/AllowedAttributes.php' );
+require_once( __DIR__ . '/data/AllowedTags.php' );
+require_once( __DIR__ . '/Sanitizer.php' );
+
+
+/*
+ * Print array as JSON and then
+ * exit program with a particular
+ * exit-code.
+ */
+
+function sysexit(
+	$results,
+	$status
+) {
+	echo json_encode(
+		$results,
+		JSON_PRETTY_PRINT
+	);
+
+	exit( $status );
+}
+
+
+/*
+ * Main part begins
+ */
+
+global $argv;
+
+/*
+ * Set up results array, to
+ * be printed on exit.
+ */
+$results = array(
+	'totals' => array(
+		'errors' => 0,
+	),
+
+	'files' => array(
+	),
+);
+
+
+/*
+ * Catch files to scan from $argv.
+ */
+
+$files_to_scan = $argv;
+unset( $files_to_scan[0] );
+
+$files_to_scan = array_values(
+	$files_to_scan
+);
+
+/*
+ * Catch no file specified.
+ */
+
+if ( empty( $files_to_scan ) ) {
+	$results['totals']['errors']++;
+	$results['messages'] = array(
+		array( 'No files to scan specified' ),
+	);
+
+	sysexit(
+		$results,
+		1
+	);
+}
+
+/*
+ * Initialize the SVG scanner.
+ *
+ * Make sure to allow custom attributes,
+ * and to remove remote references.
+ */
+$sanitizer = new enshrined\svgSanitize\Sanitizer();
+
+$sanitizer->removeRemoteReferences( true );
+
+/*
+ * Scan each file specified to be scanned.
+ */
+
+foreach( $files_to_scan as $file_name ) {
+	/*
+	 * Read SVG file.
+	 */
+	$svg_file = @file_get_contents( $file_name );
+
+	/*
+	 * If not found, report that and continue.
+	 */
+	if ( false === $svg_file ) {
+		$results['totals']['errors']++;
+
+		$results['files'][ $file_name ][] = array(
+			'errors' => 1,
+			'messages' => array(
+				array(
+					'message' => 'File specified could not be read (' . $file_name . ')',
+					'line' => null,
+				),
+			),
+		);
+
+		continue;
+	}
+
+	/*
+	 * Sanitize file and get issues found.
+	 */
+	$sanitize_status = $sanitizer->sanitize( $svg_file );
+
+	$xml_issues = $sanitizer->getXmlIssues();
+
+	/*
+	 * If we find no issues, simply note that.
+	 */
+	if ( empty( $xml_issues ) && ( false !== $sanitize_status ) ) {
+		$results['files'][ $file_name ] = array(
+			'errors' => 0,
+			'messages' => array()
+		);
+	}
+
+	/*
+	 * Could not sanitize the file.
+	 */
+	else if (
+		( '' === $sanitize_status ) ||
+		( false === $sanitize_status )
+	) {
+		$results['totals']['errors']++;
+
+		$results['files'][ $file_name ] = array(
+			'errors' => 1,
+			'messages' => array(
+				array(
+					'message' => 'Unable to sanitize file \'' . $file_name . '\'' ,
+					'line' => null,
+				)
+			),
+		);
+	}
+
+	/*
+	 * If we find issues, note it and update statistics.
+	 */
+
+	else {
+		$results['totals']['errors'] += count( $xml_issues );
+
+		$results['files'][ $file_name ] = array(
+			'errors' => count( $xml_issues ),
+			'messages' => $xml_issues,
+		);
+	}
+
+	unset( $svg_file );
+	unset( $xml_issues );
+	unset( $sanitize_status );
+}
+
+
+/*
+ * Exit with a status
+ * that reflects what issues
+ * we found.
+ */
+sysexit(
+	$results,
+	( $results['totals']['errors'] === 0 ? 0 : 1 )
+);
diff --git a/vendor/enshrined/svg-sanitize/tests/AllowedAttributesTest.php b/vendor/enshrined/svg-sanitize/tests/AllowedAttributesTest.php
index f668cd3..9e224ac 100644
--- a/vendor/enshrined/svg-sanitize/tests/AllowedAttributesTest.php
+++ b/vendor/enshrined/svg-sanitize/tests/AllowedAttributesTest.php
@@ -1,11 +1,12 @@
 <?php
 
 use \enshrined\svgSanitize\data\AllowedAttributes;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Class AllowedAttributesTest
  */
-class AllowedAttributesTest extends PHPUnit_Framework_TestCase
+class AllowedAttributesTest extends TestCase
 {
 
     /**
diff --git a/vendor/enshrined/svg-sanitize/tests/AllowedTagsTest.php b/vendor/enshrined/svg-sanitize/tests/AllowedTagsTest.php
index 9780afd..22ed9b1 100644
--- a/vendor/enshrined/svg-sanitize/tests/AllowedTagsTest.php
+++ b/vendor/enshrined/svg-sanitize/tests/AllowedTagsTest.php
@@ -1,11 +1,12 @@
 <?php
 
 use \enshrined\svgSanitize\data\AllowedTags;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Class AllowedTagsTest
  */
-class AllowedTagsTest extends PHPUnit_Framework_TestCase
+class AllowedTagsTest extends TestCase
 {
 
     /**
diff --git a/vendor/enshrined/svg-sanitize/tests/SanitizerTest.php b/vendor/enshrined/svg-sanitize/tests/SanitizerTest.php
index 43c7bed..8857566 100644
--- a/vendor/enshrined/svg-sanitize/tests/SanitizerTest.php
+++ b/vendor/enshrined/svg-sanitize/tests/SanitizerTest.php
@@ -3,11 +3,12 @@
 require 'data/TestAllowedAttributes.php';
 
 use \enshrined\svgSanitize\Sanitizer;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Class SanitizerTest
  */
-class SanitizerTest extends PHPUnit_Framework_TestCase
+class SanitizerTest extends TestCase
 {
     /**
      * @var Sanitizer
@@ -52,7 +53,8 @@ public function testSetCustomTags()
         $tags = $this->class->getAllowedTags();
 
         $this->assertInternalType('array', $tags);
-        $this->assertEquals(TestAllowedTags::getTags(), $tags);
+
+        $this->assertEquals(array_map('strtolower', TestAllowedTags::getTags()), $tags);
     }
 
     /**
@@ -65,7 +67,8 @@ public function testSetCustomAttributes()
         $attributes = $this->class->getAllowedAttrs();
 
         $this->assertInternalType('array', $attributes);
-        $this->assertEquals(TestAllowedAttributes::getAttributes(), $attributes);
+
+        $this->assertEquals( array_map('strtolower', TestAllowedAttributes::getAttributes()), $attributes);
     }
 
     /**
@@ -163,4 +166,33 @@ public function testThatAriaAndDataAttributesAreAllowed()
 
         $this->assertXmlStringEqualsXmlString($expected, $cleanData);
     }
-}
\ No newline at end of file
+
+    /**
+     * Test that ARIA and Data Attributes are allowed
+     */
+    public function testThatExternalUseElementsAreStripped()
+    {
+        $initialData = file_get_contents('tests/data/useTest.svg');
+        $expected = file_get_contents('tests/data/useClean.svg');
+
+        $this->class->minify(false);
+        $cleanData = $this->class->sanitize($initialData);
+        $this->class->minify(false);
+
+        $this->assertXmlStringEqualsXmlString($expected, $cleanData);
+    }
+
+    /**
+     * Test setXMLOptions and minifying works as expected
+     */
+    public function testMinifiedOptions()
+    {
+        $this->class->minify(true);
+        $this->class->removeXMLTag(true);
+        $this->class->setXMLOptions(0);
+
+        $input = '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><title>chevron-double-down</title><path d="M4 11.73l.68-.73L12 17.82 19.32 11l.68.73-7.66 7.13a.5.5 0 0 1-.68 0z"/><path d="M4 5.73L4.68 5 12 11.82 19.32 5l.68.73-7.66 7.13a.5.5 0 0 1-.68 0z"/></svg>';
+        $output = $this->class->sanitize($input);
+        $this->assertEquals($input, $output);
+    }
+}
diff --git a/vendor/enshrined/svg-sanitize/tests/data/useClean.svg b/vendor/enshrined/svg-sanitize/tests/data/useClean.svg
new file mode 100644
index 0000000..5f8b8be
--- /dev/null
+++ b/vendor/enshrined/svg-sanitize/tests/data/useClean.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 68 65">
+    <use xlink:href="#a" x="28" fill="#1A374D"/>
+    <path id="a" d="M14 27v-20c0-3.7-3.3-7-7-7s-7 3.3-7 7v41c0 8.2 9.2 17 20 17s20-9.2 20-20c0-13.3-13.4-21.8-26-18zm6 25c-4 0-7-3-7-7s3-7 7-7 7 3 7 7-3 7-7 7z"/>
+</svg>
\ No newline at end of file
diff --git a/vendor/enshrined/svg-sanitize/tests/data/useTest.svg b/vendor/enshrined/svg-sanitize/tests/data/useTest.svg
new file mode 100644
index 0000000..888416a
--- /dev/null
+++ b/vendor/enshrined/svg-sanitize/tests/data/useTest.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 68 65">
+    <use xlink:href="#a" x="28" fill="#1A374D"/>
+    <path id="a" d="M14 27v-20c0-3.7-3.3-7-7-7s-7 3.3-7 7v41c0 8.2 9.2 17 20 17s20-9.2 20-20c0-13.3-13.4-21.8-26-18zm6 25c-4 0-7-3-7-7s3-7 7-7 7 3 7 7-3 7-7 7z"/>
+    <use xlink:href="defs.svg#icon-1"/>
+</svg>
\ No newline at end of file