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-rwxr-xr-xlibtransport/src/hicn/transport/http/response.cc134
1 files changed, 134 insertions, 0 deletions
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