Pass HTTP headers from CGI output into our HttpResponse class

3 files changed, 28 insertions, 2 deletions

diff --git a/src/HttpResponse.cpp b/src/HttpResponse.cpp
index 2d69583..c07178f 100644
--- a/src/HttpResponse.cpp
+++ b/src/HttpResponse.cpp
@@ -2,6 +2,32 @@
 
 #include <sstream>
 
+void HttpResponse::add_headers_and_content(const std::string& input)
+{
+	bool is_parsing_headers = true;
+
+	size_t pos = 0;
+	std::string s = input;
+	std::string line;
+	while ((pos = s.find("\n")) != std::string::npos) {
+		line = s.substr(0, pos + 1);
+
+		if (is_parsing_headers) {
+			size_t delim_pos = 0;
+			if ((delim_pos = line.find(":")) != std::string::npos) {
+				std::string header_key = s.substr(0, delim_pos);
+				std::string header_value = s.substr(delim_pos + 2, s.find("\n") - delim_pos - 2);
+				m_headers[header_key] = header_value;
+			} else {
+				is_parsing_headers = false;
+			}
+		} else {
+			m_content += line;
+		}
+		s.erase(0, pos + 1);
+	}
+}
+
 static std::string status_code_string(HttpStatusCode status_code)
 {
 	switch (status_code) {
diff --git a/src/HttpResponse.h b/src/HttpResponse.h
index b0c0cd9..61b5ea4 100644
--- a/src/HttpResponse.h
+++ b/src/HttpResponse.h
@@ -19,6 +19,7 @@ public:
 
 	void set_status_code(HttpStatusCode status_code) { m_status_code = status_code; }
 	void set_content(const std::string& content) { m_content = content; }
+	void add_headers_and_content(const std::string&);
 
 	std::string to_string() const;
 private:
diff --git a/src/main.cpp b/src/main.cpp
index cec6d3e..2b93b07 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -74,8 +74,7 @@ static HttpResponse serve_from_cgi(const std::string& executable_path, HttpReque
 	// TODO: We should be able to construct a repsonse from an entire string
 	//       instead of always needing to individually set headers and content.
 	response.set_status_code(HttpStatusCode::OK);
-	response.add_header("Content-Type", "text/plain");
-	response.set_content(sstream.str());
+	response.add_headers_and_content(sstream.str());
 	return response;
 }