--- /dev/null
+<?php
+namespace GuzzleHttp;
+
+use Psr\Http\Message\MessageInterface;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * Formats log messages using variable substitutions for requests, responses,
+ * and other transactional data.
+ *
+ * The following variable substitutions are supported:
+ *
+ * - {request}: Full HTTP request message
+ * - {response}: Full HTTP response message
+ * - {ts}: ISO 8601 date in GMT
+ * - {date_iso_8601} ISO 8601 date in GMT
+ * - {date_common_log} Apache common log date using the configured timezone.
+ * - {host}: Host of the request
+ * - {method}: Method of the request
+ * - {uri}: URI of the request
+ * - {host}: Host of the request
+ * - {version}: Protocol version
+ * - {target}: Request target of the request (path + query + fragment)
+ * - {hostname}: Hostname of the machine that sent the request
+ * - {code}: Status code of the response (if available)
+ * - {phrase}: Reason phrase of the response (if available)
+ * - {error}: Any error messages (if available)
+ * - {req_header_*}: Replace `*` with the lowercased name of a request header to add to the message
+ * - {res_header_*}: Replace `*` with the lowercased name of a response header to add to the message
+ * - {req_headers}: Request headers
+ * - {res_headers}: Response headers
+ * - {req_body}: Request body
+ * - {res_body}: Response body
+ */
+class MessageFormatter
+{
+ /**
+ * Apache Common Log Format.
+ * @link http://httpd.apache.org/docs/2.4/logs.html#common
+ * @var string
+ */
+ const CLF = "{hostname} {req_header_User-Agent} - [{date_common_log}] \"{method} {target} HTTP/{version}\" {code} {res_header_Content-Length}";
+ const DEBUG = ">>>>>>>>\n{request}\n<<<<<<<<\n{response}\n--------\n{error}";
+ const SHORT = '[{ts}] "{method} {target} HTTP/{version}" {code}';
+
+ /** @var string Template used to format log messages */
+ private $template;
+
+ /**
+ * @param string $template Log message template
+ */
+ public function __construct($template = self::CLF)
+ {
+ $this->template = $template ?: self::CLF;
+ }
+
+ /**
+ * Returns a formatted message string.
+ *
+ * @param RequestInterface $request Request that was sent
+ * @param ResponseInterface $response Response that was received
+ * @param \Exception $error Exception that was received
+ *
+ * @return string
+ */
+ public function format(
+ RequestInterface $request,
+ ResponseInterface $response = null,
+ \Exception $error = null
+ ) {
+ $cache = [];
+
+ return preg_replace_callback(
+ '/{\s*([A-Za-z_\-\.0-9]+)\s*}/',
+ function (array $matches) use ($request, $response, $error, &$cache) {
+
+ if (isset($cache[$matches[1]])) {
+ return $cache[$matches[1]];
+ }
+
+ $result = '';
+ switch ($matches[1]) {
+ case 'request':
+ $result = Psr7\str($request);
+ break;
+ case 'response':
+ $result = $response ? Psr7\str($response) : '';
+ break;
+ case 'req_headers':
+ $result = trim($request->getMethod()
+ . ' ' . $request->getRequestTarget())
+ . ' HTTP/' . $request->getProtocolVersion() . "\r\n"
+ . $this->headers($request);
+ break;
+ case 'res_headers':
+ $result = $response ?
+ sprintf(
+ 'HTTP/%s %d %s',
+ $response->getProtocolVersion(),
+ $response->getStatusCode(),
+ $response->getReasonPhrase()
+ ) . "\r\n" . $this->headers($response)
+ : 'NULL';
+ break;
+ case 'req_body':
+ $result = $request->getBody();
+ break;
+ case 'res_body':
+ $result = $response ? $response->getBody() : 'NULL';
+ break;
+ case 'ts':
+ case 'date_iso_8601':
+ $result = gmdate('c');
+ break;
+ case 'date_common_log':
+ $result = date('d/M/Y:H:i:s O');
+ break;
+ case 'method':
+ $result = $request->getMethod();
+ break;
+ case 'version':
+ $result = $request->getProtocolVersion();
+ break;
+ case 'uri':
+ case 'url':
+ $result = $request->getUri();
+ break;
+ case 'target':
+ $result = $request->getRequestTarget();
+ break;
+ case 'req_version':
+ $result = $request->getProtocolVersion();
+ break;
+ case 'res_version':
+ $result = $response
+ ? $response->getProtocolVersion()
+ : 'NULL';
+ break;
+ case 'host':
+ $result = $request->getHeaderLine('Host');
+ break;
+ case 'hostname':
+ $result = gethostname();
+ break;
+ case 'code':
+ $result = $response ? $response->getStatusCode() : 'NULL';
+ break;
+ case 'phrase':
+ $result = $response ? $response->getReasonPhrase() : 'NULL';
+ break;
+ case 'error':
+ $result = $error ? $error->getMessage() : 'NULL';
+ break;
+ default:
+ // handle prefixed dynamic headers
+ if (strpos($matches[1], 'req_header_') === 0) {
+ $result = $request->getHeaderLine(substr($matches[1], 11));
+ } elseif (strpos($matches[1], 'res_header_') === 0) {
+ $result = $response
+ ? $response->getHeaderLine(substr($matches[1], 11))
+ : 'NULL';
+ }
+ }
+
+ $cache[$matches[1]] = $result;
+ return $result;
+ },
+ $this->template
+ );
+ }
+
+ private function headers(MessageInterface $message)
+ {
+ $result = '';
+ foreach ($message->getHeaders() as $name => $values) {
+ $result .= $name . ': ' . implode(', ', $values) . "\r\n";
+ }
+
+ return trim($result);
+ }
+}
projects / yaffs-website / blobdiff