git subrepo clone https://github.com/mailcow/mailcow-dockerized.git mailcow/src/mailcow-dockerized
subrepo: subdir: "mailcow/src/mailcow-dockerized"
merged: "a832becb"
upstream: origin: "https://github.com/mailcow/mailcow-dockerized.git"
branch: "master"
commit: "a832becb"
git-subrepo: version: "0.4.3"
origin: "???"
commit: "???"
Change-Id: If5be2d621a211e164c9b6577adaa7884449f16b5
diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/matthiasmullie/minify/src/Minify.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/matthiasmullie/minify/src/Minify.php
new file mode 100644
index 0000000..3f40bc1
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/matthiasmullie/minify/src/Minify.php
@@ -0,0 +1,497 @@
+<?php
+/**
+ * Abstract minifier class
+ *
+ * Please report bugs on https://github.com/matthiasmullie/minify/issues
+ *
+ * @author Matthias Mullie <minify@mullie.eu>
+ * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved
+ * @license MIT License
+ */
+namespace MatthiasMullie\Minify;
+
+use MatthiasMullie\Minify\Exceptions\IOException;
+use Psr\Cache\CacheItemInterface;
+
+/**
+ * Abstract minifier class.
+ *
+ * Please report bugs on https://github.com/matthiasmullie/minify/issues
+ *
+ * @package Minify
+ * @author Matthias Mullie <minify@mullie.eu>
+ * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved
+ * @license MIT License
+ */
+abstract class Minify
+{
+ /**
+ * The data to be minified.
+ *
+ * @var string[]
+ */
+ protected $data = array();
+
+ /**
+ * Array of patterns to match.
+ *
+ * @var string[]
+ */
+ protected $patterns = array();
+
+ /**
+ * This array will hold content of strings and regular expressions that have
+ * been extracted from the JS source code, so we can reliably match "code",
+ * without having to worry about potential "code-like" characters inside.
+ *
+ * @var string[]
+ */
+ public $extracted = array();
+
+ /**
+ * Init the minify class - optionally, code may be passed along already.
+ */
+ public function __construct(/* $data = null, ... */)
+ {
+ // it's possible to add the source through the constructor as well ;)
+ if (func_num_args()) {
+ call_user_func_array(array($this, 'add'), func_get_args());
+ }
+ }
+
+ /**
+ * Add a file or straight-up code to be minified.
+ *
+ * @param string|string[] $data
+ *
+ * @return static
+ */
+ public function add($data /* $data = null, ... */)
+ {
+ // bogus "usage" of parameter $data: scrutinizer warns this variable is
+ // not used (we're using func_get_args instead to support overloading),
+ // but it still needs to be defined because it makes no sense to have
+ // this function without argument :)
+ $args = array($data) + func_get_args();
+
+ // this method can be overloaded
+ foreach ($args as $data) {
+ if (is_array($data)) {
+ call_user_func_array(array($this, 'add'), $data);
+ continue;
+ }
+
+ // redefine var
+ $data = (string) $data;
+
+ // load data
+ $value = $this->load($data);
+ $key = ($data != $value) ? $data : count($this->data);
+
+ // replace CR linefeeds etc.
+ // @see https://github.com/matthiasmullie/minify/pull/139
+ $value = str_replace(array("\r\n", "\r"), "\n", $value);
+
+ // store data
+ $this->data[$key] = $value;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Add a file to be minified.
+ *
+ * @param string|string[] $data
+ *
+ * @return static
+ *
+ * @throws IOException
+ */
+ public function addFile($data /* $data = null, ... */)
+ {
+ // bogus "usage" of parameter $data: scrutinizer warns this variable is
+ // not used (we're using func_get_args instead to support overloading),
+ // but it still needs to be defined because it makes no sense to have
+ // this function without argument :)
+ $args = array($data) + func_get_args();
+
+ // this method can be overloaded
+ foreach ($args as $path) {
+ if (is_array($path)) {
+ call_user_func_array(array($this, 'addFile'), $path);
+ continue;
+ }
+
+ // redefine var
+ $path = (string) $path;
+
+ // check if we can read the file
+ if (!$this->canImportFile($path)) {
+ throw new IOException('The file "'.$path.'" could not be opened for reading. Check if PHP has enough permissions.');
+ }
+
+ $this->add($path);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Minify the data & (optionally) saves it to a file.
+ *
+ * @param string[optional] $path Path to write the data to
+ *
+ * @return string The minified data
+ */
+ public function minify($path = null)
+ {
+ $content = $this->execute($path);
+
+ // save to path
+ if ($path !== null) {
+ $this->save($content, $path);
+ }
+
+ return $content;
+ }
+
+ /**
+ * Minify & gzip the data & (optionally) saves it to a file.
+ *
+ * @param string[optional] $path Path to write the data to
+ * @param int[optional] $level Compression level, from 0 to 9
+ *
+ * @return string The minified & gzipped data
+ */
+ public function gzip($path = null, $level = 9)
+ {
+ $content = $this->execute($path);
+ $content = gzencode($content, $level, FORCE_GZIP);
+
+ // save to path
+ if ($path !== null) {
+ $this->save($content, $path);
+ }
+
+ return $content;
+ }
+
+ /**
+ * Minify the data & write it to a CacheItemInterface object.
+ *
+ * @param CacheItemInterface $item Cache item to write the data to
+ *
+ * @return CacheItemInterface Cache item with the minifier data
+ */
+ public function cache(CacheItemInterface $item)
+ {
+ $content = $this->execute();
+ $item->set($content);
+
+ return $item;
+ }
+
+ /**
+ * Minify the data.
+ *
+ * @param string[optional] $path Path to write the data to
+ *
+ * @return string The minified data
+ */
+ abstract public function execute($path = null);
+
+ /**
+ * Load data.
+ *
+ * @param string $data Either a path to a file or the content itself
+ *
+ * @return string
+ */
+ protected function load($data)
+ {
+ // check if the data is a file
+ if ($this->canImportFile($data)) {
+ $data = file_get_contents($data);
+
+ // strip BOM, if any
+ if (substr($data, 0, 3) == "\xef\xbb\xbf") {
+ $data = substr($data, 3);
+ }
+ }
+
+ return $data;
+ }
+
+ /**
+ * Save to file.
+ *
+ * @param string $content The minified data
+ * @param string $path The path to save the minified data to
+ *
+ * @throws IOException
+ */
+ protected function save($content, $path)
+ {
+ $handler = $this->openFileForWriting($path);
+
+ $this->writeToFile($handler, $content);
+
+ @fclose($handler);
+ }
+
+ /**
+ * Register a pattern to execute against the source content.
+ *
+ * @param string $pattern PCRE pattern
+ * @param string|callable $replacement Replacement value for matched pattern
+ */
+ protected function registerPattern($pattern, $replacement = '')
+ {
+ // study the pattern, we'll execute it more than once
+ $pattern .= 'S';
+
+ $this->patterns[] = array($pattern, $replacement);
+ }
+
+ /**
+ * We can't "just" run some regular expressions against JavaScript: it's a
+ * complex language. E.g. having an occurrence of // xyz would be a comment,
+ * unless it's used within a string. Of you could have something that looks
+ * like a 'string', but inside a comment.
+ * The only way to accurately replace these pieces is to traverse the JS one
+ * character at a time and try to find whatever starts first.
+ *
+ * @param string $content The content to replace patterns in
+ *
+ * @return string The (manipulated) content
+ */
+ protected function replace($content)
+ {
+ $processed = '';
+ $positions = array_fill(0, count($this->patterns), -1);
+ $matches = array();
+
+ while ($content) {
+ // find first match for all patterns
+ foreach ($this->patterns as $i => $pattern) {
+ list($pattern, $replacement) = $pattern;
+
+ // we can safely ignore patterns for positions we've unset earlier,
+ // because we know these won't show up anymore
+ if (array_key_exists($i, $positions) == false) {
+ continue;
+ }
+
+ // no need to re-run matches that are still in the part of the
+ // content that hasn't been processed
+ if ($positions[$i] >= 0) {
+ continue;
+ }
+
+ $match = null;
+ if (preg_match($pattern, $content, $match, PREG_OFFSET_CAPTURE)) {
+ $matches[$i] = $match;
+
+ // we'll store the match position as well; that way, we
+ // don't have to redo all preg_matches after changing only
+ // the first (we'll still know where those others are)
+ $positions[$i] = $match[0][1];
+ } else {
+ // if the pattern couldn't be matched, there's no point in
+ // executing it again in later runs on this same content;
+ // ignore this one until we reach end of content
+ unset($matches[$i], $positions[$i]);
+ }
+ }
+
+ // no more matches to find: everything's been processed, break out
+ if (!$matches) {
+ $processed .= $content;
+ break;
+ }
+
+ // see which of the patterns actually found the first thing (we'll
+ // only want to execute that one, since we're unsure if what the
+ // other found was not inside what the first found)
+ $discardLength = min($positions);
+ $firstPattern = array_search($discardLength, $positions);
+ $match = $matches[$firstPattern][0][0];
+
+ // execute the pattern that matches earliest in the content string
+ list($pattern, $replacement) = $this->patterns[$firstPattern];
+ $replacement = $this->replacePattern($pattern, $replacement, $content);
+
+ // figure out which part of the string was unmatched; that's the
+ // part we'll execute the patterns on again next
+ $content = (string) substr($content, $discardLength);
+ $unmatched = (string) substr($content, strpos($content, $match) + strlen($match));
+
+ // move the replaced part to $processed and prepare $content to
+ // again match batch of patterns against
+ $processed .= substr($replacement, 0, strlen($replacement) - strlen($unmatched));
+ $content = $unmatched;
+
+ // first match has been replaced & that content is to be left alone,
+ // the next matches will start after this replacement, so we should
+ // fix their offsets
+ foreach ($positions as $i => $position) {
+ $positions[$i] -= $discardLength + strlen($match);
+ }
+ }
+
+ return $processed;
+ }
+
+ /**
+ * This is where a pattern is matched against $content and the matches
+ * are replaced by their respective value.
+ * This function will be called plenty of times, where $content will always
+ * move up 1 character.
+ *
+ * @param string $pattern Pattern to match
+ * @param string|callable $replacement Replacement value
+ * @param string $content Content to match pattern against
+ *
+ * @return string
+ */
+ protected function replacePattern($pattern, $replacement, $content)
+ {
+ if (is_callable($replacement)) {
+ return preg_replace_callback($pattern, $replacement, $content, 1, $count);
+ } else {
+ return preg_replace($pattern, $replacement, $content, 1, $count);
+ }
+ }
+
+ /**
+ * Strings are a pattern we need to match, in order to ignore potential
+ * code-like content inside them, but we just want all of the string
+ * content to remain untouched.
+ *
+ * This method will replace all string content with simple STRING#
+ * placeholder text, so we've rid all strings from characters that may be
+ * misinterpreted. Original string content will be saved in $this->extracted
+ * and after doing all other minifying, we can restore the original content
+ * via restoreStrings().
+ *
+ * @param string[optional] $chars
+ * @param string[optional] $placeholderPrefix
+ */
+ protected function extractStrings($chars = '\'"', $placeholderPrefix = '')
+ {
+ // PHP only supports $this inside anonymous functions since 5.4
+ $minifier = $this;
+ $callback = function ($match) use ($minifier, $placeholderPrefix) {
+ // check the second index here, because the first always contains a quote
+ if ($match[2] === '') {
+ /*
+ * Empty strings need no placeholder; they can't be confused for
+ * anything else anyway.
+ * But we still needed to match them, for the extraction routine
+ * to skip over this particular string.
+ */
+ return $match[0];
+ }
+
+ $count = count($minifier->extracted);
+ $placeholder = $match[1].$placeholderPrefix.$count.$match[1];
+ $minifier->extracted[$placeholder] = $match[1].$match[2].$match[1];
+
+ return $placeholder;
+ };
+
+ /*
+ * The \\ messiness explained:
+ * * Don't count ' or " as end-of-string if it's escaped (has backslash
+ * in front of it)
+ * * Unless... that backslash itself is escaped (another leading slash),
+ * in which case it's no longer escaping the ' or "
+ * * So there can be either no backslash, or an even number
+ * * multiply all of that times 4, to account for the escaping that has
+ * to be done to pass the backslash into the PHP string without it being
+ * considered as escape-char (times 2) and to get it in the regex,
+ * escaped (times 2)
+ */
+ $this->registerPattern('/(['.$chars.'])(.*?(?<!\\\\)(\\\\\\\\)*+)\\1/s', $callback);
+ }
+
+ /**
+ * This method will restore all extracted data (strings, regexes) that were
+ * replaced with placeholder text in extract*(). The original content was
+ * saved in $this->extracted.
+ *
+ * @param string $content
+ *
+ * @return string
+ */
+ protected function restoreExtractedData($content)
+ {
+ if (!$this->extracted) {
+ // nothing was extracted, nothing to restore
+ return $content;
+ }
+
+ $content = strtr($content, $this->extracted);
+
+ $this->extracted = array();
+
+ return $content;
+ }
+
+ /**
+ * Check if the path is a regular file and can be read.
+ *
+ * @param string $path
+ *
+ * @return bool
+ */
+ protected function canImportFile($path)
+ {
+ $parsed = parse_url($path);
+ if (
+ // file is elsewhere
+ isset($parsed['host']) ||
+ // file responds to queries (may change, or need to bypass cache)
+ isset($parsed['query'])
+ ) {
+ return false;
+ }
+
+ return strlen($path) < PHP_MAXPATHLEN && @is_file($path) && is_readable($path);
+ }
+
+ /**
+ * Attempts to open file specified by $path for writing.
+ *
+ * @param string $path The path to the file
+ *
+ * @return resource Specifier for the target file
+ *
+ * @throws IOException
+ */
+ protected function openFileForWriting($path)
+ {
+ if (($handler = @fopen($path, 'w')) === false) {
+ throw new IOException('The file "'.$path.'" could not be opened for writing. Check if PHP has enough permissions.');
+ }
+
+ return $handler;
+ }
+
+ /**
+ * Attempts to write $content to the file specified by $handler. $path is used for printing exceptions.
+ *
+ * @param resource $handler The resource to write to
+ * @param string $content The content to write
+ * @param string $path The path to the file (for exception printing only)
+ *
+ * @throws IOException
+ */
+ protected function writeToFile($handler, $content, $path = '')
+ {
+ if (($result = @fwrite($handler, $content)) === false || ($result < strlen($content))) {
+ throw new IOException('The file "'.$path.'" could not be written to. Check your disk space and file permissions.');
+ }
+ }
+}