cookie: time-based set_expires variants

Signed-off-by: Michael Krelin <hacker@klever.net>

2 files changed, 12 insertions, 0 deletions

diff --git a/include/kingate/cookies.h b/include/kingate/cookies.h
index a1e813c..cba5aff 100644
--- a/include/kingate/cookies.h
+++ b/include/kingate/cookies.h
@@ -93,12 +93,14 @@ namespace kingate {
 	     * @param e expiration time.
 	     * @see get_expires()
 	     * @see has_expires()
 	     * @see unset_expires()
 	     */
 	    void set_expires(const string& e);
+	    void set_expires_time(time_t etime);
+	    void set_expires_in(time_t esecs);
 
 	    /**
 	     * get cookie parameter.
 	     * @param p parameter name.
 	     * @return parameter value.
 	     * @see _set_string()
diff --git a/src/cookies.cc b/src/cookies.cc
index 1ee4f7c..3215271 100644
--- a/src/cookies.cc
+++ b/src/cookies.cc
@@ -93,12 +93,22 @@ namespace kingate {
 	    erase("secure");
     }
 
     void cookie::set_expires(const string& e) {
 	(*this)["expires"] = e;
     }
+    void cookie::set_expires_time(time_t etime) {
+	struct tm etm;
+	char e[64];
+	if(strftime(e,sizeof(e)-1,"%a, %d %b %Y:%M:%S GMT",gmtime_r(&etime,&etm)))
+	    set_expires(e);
+	/* TODO: handle error */
+    }
+    void cookie::set_expires_in(time_t esecs) {
+	set_expires_time(time(0)+esecs);
+    }
 
     const string& cookie::_get_string(const string& s) const {
 	const_iterator i = find(s);
 	if(i==end())
 	    throw exception_notfound(CODEPOINT,"No parameter set");
 	return i->second;