Initial commit，修正

vendor/huawei/obsclient/Monolog/Handler/ChromePHPHandler.php

@@ -0,0 +1,211 @@
+<?php
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Handler;
+
+use Monolog\Formatter\ChromePHPFormatter;
+use Monolog\Logger;
+
+/**
+ * Handler sending logs to the ChromePHP extension (http://www.chromephp.com/)
+ *
+ * This also works out of the box with Firefox 43+
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class ChromePHPHandler extends AbstractProcessingHandler
+{
+    /**
+     * Version of the extension
+     */
+    const VERSION = '4.0';
+
+    /**
+     * Header name
+     */
+    const HEADER_NAME = 'X-ChromeLogger-Data';
+    
+    /**
+     * Regular expression to detect supported browsers (matches any Chrome, or Firefox 43+)
+     */
+    const USER_AGENT_REGEX = '{\b(?:Chrome/\d+(?:\.\d+)*|HeadlessChrome|Firefox/(?:4[3-9]|[5-9]\d|\d{3,})(?:\.\d)*)\b}';
+
+    protected static $initialized = false;
+
+    /**
+     * Tracks whether we sent too much data
+     *
+     * Chrome limits the headers to 256KB, so when we sent 240KB we stop sending
+     *
+     * @var Boolean
+     */
+    protected static $overflowed = false;
+
+    protected static $json = array(
+        'version' => self::VERSION,
+        'columns' => array('label', 'log', 'backtrace', 'type'),
+        'rows' => array(),
+    );
+
+    protected static $sendHeaders = true;
+
+    /**
+     * @param int     $level  The minimum logging level at which this handler will be triggered
+     * @param Boolean $bubble Whether the messages that are handled can bubble up the stack or not
+     */
+    public function __construct($level = Logger::DEBUG, $bubble = true)
+    {
+        parent::__construct($level, $bubble);
+        if (!function_exists('json_encode')) {
+            throw new \RuntimeException('PHP\'s json extension is required to use Monolog\'s ChromePHPHandler');
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function handleBatch(array $records)
+    {
+        $messages = array();
+
+        foreach ($records as $record) {
+            if ($record['level'] < $this->level) {
+                continue;
+            }
+            $messages[] = $this->processRecord($record);
+        }
+
+        if (!empty($messages)) {
+            $messages = $this->getFormatter()->formatBatch($messages);
+            self::$json['rows'] = array_merge(self::$json['rows'], $messages);
+            $this->send();
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getDefaultFormatter()
+    {
+        return new ChromePHPFormatter();
+    }
+
+    /**
+     * Creates & sends header for a record
+     *
+     * @see sendHeader()
+     * @see send()
+     * @param array $record
+     */
+    protected function write(array $record)
+    {
+        self::$json['rows'][] = $record['formatted'];
+
+        $this->send();
+    }
+
+    /**
+     * Sends the log header
+     *
+     * @see sendHeader()
+     */
+    protected function send()
+    {
+        if (self::$overflowed || !self::$sendHeaders) {
+            return;
+        }
+
+        if (!self::$initialized) {
+            self::$initialized = true;
+
+            self::$sendHeaders = $this->headersAccepted();
+            if (!self::$sendHeaders) {
+                return;
+            }
+
+            self::$json['request_uri'] = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
+        }
+
+        $json = @json_encode(self::$json);
+        $data = base64_encode(utf8_encode($json));
+        if (strlen($data) > 240 * 1024) {
+            self::$overflowed = true;
+
+            $record = array(
+                'message' => 'Incomplete logs, chrome header size limit reached',
+                'context' => array(),
+                'level' => Logger::WARNING,
+                'level_name' => Logger::getLevelName(Logger::WARNING),
+                'channel' => 'monolog',
+                'datetime' => new \DateTime(),
+                'extra' => array(),
+            );
+            self::$json['rows'][count(self::$json['rows']) - 1] = $this->getFormatter()->format($record);
+            $json = @json_encode(self::$json);
+            $data = base64_encode(utf8_encode($json));
+        }
+
+        if (trim($data) !== '') {
+            $this->sendHeader(self::HEADER_NAME, $data);
+        }
+    }
+
+    /**
+     * Send header string to the client
+     *
+     * @param string $header
+     * @param string $content
+     */
+    protected function sendHeader($header, $content)
+    {
+        if (!headers_sent() && self::$sendHeaders) {
+            header(sprintf('%s: %s', $header, $content));
+        }
+    }
+
+    /**
+     * Verifies if the headers are accepted by the current user agent
+     *
+     * @return Boolean
+     */
+    protected function headersAccepted()
+    {
+        if (empty($_SERVER['HTTP_USER_AGENT'])) {
+            return false;
+        }
+
+        return preg_match(self::USER_AGENT_REGEX, $_SERVER['HTTP_USER_AGENT']);
+    }
+
+    /**
+     * BC getter for the sendHeaders property that has been made static
+     */
+    public function __get($property)
+    {
+        if ('sendHeaders' !== $property) {
+            throw new \InvalidArgumentException('Undefined property '.$property);
+        }
+
+        return static::$sendHeaders;
+    }
+
+    /**
+     * BC setter for the sendHeaders property that has been made static
+     */
+    public function __set($property, $value)
+    {
+        if ('sendHeaders' !== $property) {
+            throw new \InvalidArgumentException('Undefined property '.$property);
+        }
+
+        static::$sendHeaders = $value;
+    }
+}