From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001
From: Luca Muscariello <lumuscar+fdio@cisco.com>
Date: Thu, 17 Jan 2019 13:47:57 +0100
Subject: This is the first commit of the hicn project

Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
---
 libtransport/src/hicn/transport/http/response.cc | 134 +++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100755 libtransport/src/hicn/transport/http/response.cc

(limited to 'libtransport/src/hicn/transport/http/response.cc')

diff --git a/libtransport/src/hicn/transport/http/response.cc b/libtransport/src/hicn/transport/http/response.cc
new file mode 100755
index 000000000..0aa9affe8
--- /dev/null
+++ b/libtransport/src/hicn/transport/http/response.cc
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hicn/transport/errors/errors.h>
+#include <hicn/transport/http/response.h>
+
+#include <algorithm>
+
+#include <cstring>
+
+namespace transport {
+
+namespace http {
+
+HTTPResponse::HTTPResponse() {}
+
+HTTPResponse::HTTPResponse(const HTTPHeaders &headers,
+                           const HTTPPayload &payload) {
+  headers_ = headers;
+  payload_ = payload;
+}
+
+const HTTPHeaders &HTTPResponse::getHeaders() {
+  parse();
+  return headers_;
+}
+
+const HTTPPayload &HTTPResponse::getPayload() {
+  parse();
+  return payload_;
+}
+
+bool HTTPResponse::parseHeaders() {
+  const char *crlf2 = "\r\n\r\n";
+  auto it =
+      std::search(this->begin(), this->end(), crlf2, crlf2 + strlen(crlf2));
+
+  if (it != end()) {
+    std::stringstream ss;
+    ss.str(std::string(begin(), it));
+
+    std::string line;
+    getline(ss, line);
+    std::istringstream line_s(line);
+    std::string _http_version;
+    std::string http_version;
+
+    line_s >> _http_version;
+    std::size_t separator;
+    if ((separator = _http_version.find('/')) != std::string::npos) {
+      if (_http_version.substr(0, separator) != "HTTP") {
+        return false;
+      }
+      http_version_ =
+          line.substr(separator + 1, _http_version.length() - separator - 1);
+    } else {
+      return false;
+    }
+
+    std::string status_code, status_string;
+
+    line_s >> status_code_;
+    line_s >> status_string;
+
+    auto _it = std::search(line.begin(), line.end(), status_string.begin(),
+                           status_string.end());
+
+    status_string_ = std::string(_it, line.end() - 1);
+
+    std::size_t param_end;
+    std::size_t value_start;
+    while (getline(ss, line)) {
+      if ((param_end = line.find(':')) != std::string::npos) {
+        value_start = param_end + 1;
+        if ((value_start) < line.size()) {
+          if (line[value_start] == ' ') {
+            value_start++;
+          }
+          if (value_start < line.size()) {
+            headers_[line.substr(0, param_end)] =
+                line.substr(value_start, line.size() - value_start - 1);
+          }
+        }
+      } else {
+        return false;
+      }
+    }
+  }
+
+  return true;
+}
+
+void HTTPResponse::parse() {
+  if (!parseHeaders()) {
+    throw errors::RuntimeException("Malformed HTTP response");
+  }
+
+  if (payload_.empty()) {
+    const char *crlf2 = "\r\n\r\n";
+    auto it =
+        std::search(this->begin(), this->end(), crlf2, crlf2 + strlen(crlf2));
+
+    if (it != this->end()) {
+      erase(begin(), it + strlen(crlf2));
+      payload_ = std::move(*dynamic_cast<std::vector<uint8_t> *>(this));
+    }
+  }
+}
+
+const std::string &HTTPResponse::getStatusCode() const { return status_code_; }
+
+const std::string &HTTPResponse::getStatusString() const {
+  return status_string_;
+}
+
+const std::string &HTTPResponse::getHttpVersion() const {
+  return http_version_;
+}
+
+}  // namespace http
+
+}  // namespace transport
\ No newline at end of file
-- 
cgit 1.2.3-korg