CLOUD: Add Request::date()

Used in SavesSyncRequest to update Storage's last sync date.

4 files changed, 36 insertions, 0 deletions

diff --git a/backends/networking/curl/curlrequest.cpp b/backends/networking/curl/curlrequest.cpp
index 6ef0e346af..3a143e5af8 100644
--- a/backends/networking/curl/curlrequest.cpp
+++ b/backends/networking/curl/curlrequest.cpp
@@ -66,6 +66,25 @@ void CurlRequest::restart() {
 	//with no stream available next handle() will create another one
 }
 
+Common::String CurlRequest::date() const {	
+	if (_stream) {
+		Common::String headers = _stream->responseHeaders();
+		const char *cstr = headers.c_str();
+		const char *position = strstr(cstr, "Date: ");
+
+		if (position) {
+			Common::String result = "";
+			char c;
+			for (const char *i = position + 6; c = *i, c != 0; ++i) {
+				if (c == '\n' || c == '\r') break;
+				result += c;
+			}
+			return result;
+		}
+	}
+	return "";
+}
+
 void CurlRequest::setHeaders(Common::Array<Common::String> &headers) {
 	curl_slist_free_all(_headersList);
 	_headersList = nullptr;
diff --git a/backends/networking/curl/curlrequest.h b/backends/networking/curl/curlrequest.h
index 5c06b58107..68ea3a58d7 100644
--- a/backends/networking/curl/curlrequest.h
+++ b/backends/networking/curl/curlrequest.h
@@ -55,6 +55,7 @@ public:
 
 	virtual void handle();
 	virtual void restart();
+	virtual Common::String date() const;
 
 	/** Replaces all headers with the passed array of headers. */
 	virtual void setHeaders(Common::Array<Common::String> &headers);
diff --git a/backends/networking/curl/request.cpp b/backends/networking/curl/request.cpp
index d2f91586a0..4a2704fc76 100644
--- a/backends/networking/curl/request.cpp
+++ b/backends/networking/curl/request.cpp
@@ -60,6 +60,8 @@ void Request::retry(uint32 seconds) {
 
 RequestState Request::state() const { return _state; }
 
+Common::String Request::date() const { return ""; }
+
 void Request::finishError(ErrorResponse error) {
 	_state = FINISHED;
 	if (_errorCallback) (*_errorCallback)(error);
diff --git a/backends/networking/curl/request.h b/backends/networking/curl/request.h
index de5308fa52..6a1bc12594 100644
--- a/backends/networking/curl/request.h
+++ b/backends/networking/curl/request.h
@@ -182,6 +182,20 @@ public:
 
 	/** Returns Request's current state. */
 	RequestState state() const;
+
+	/**
+	 * Return date this Request received from server.
+	 * It could be extracted from "Date" header,
+	 * which is kept in NetworkReadStream.
+	 *
+	 * @note not all Requests do that, so "" is returned
+	 * to indicate the date is unknown. That's also true
+	 * if no server response available or no "Date" header
+	 * was passed.
+	 *
+	 * @returns date from "Date" response header.
+	 */
+	virtual Common::String date() const;
 };
 
 } // End of namespace Networking