add chat handlers and only allow POST methods

2 files changed, 4 insertions, 4 deletions

diff --git a/srv/chat/chat.go b/srv/chat/chat.go
index ae305ac..acb7b2d 100644
--- a/srv/chat/chat.go
+++ b/srv/chat/chat.go
@@ -84,7 +84,7 @@ type HistoryOpts struct {
 }
 
 func (o HistoryOpts) sanitize() (HistoryOpts, error) {
-	if o.Limit < 0 || o.Limit > 100 {
+	if o.Limit <= 0 || o.Limit > 100 {
 		o.Limit = 100
 	}
 
diff --git a/srv/chat/user.go b/srv/chat/user.go
index 1279a45..3f5ab95 100644
--- a/srv/chat/user.go
+++ b/srv/chat/user.go
@@ -38,8 +38,8 @@ type UserIDCalculator struct {
 }
 
 // NewUserIDCalculator returns a UserIDCalculator with sane defaults.
-func NewUserIDCalculator(secret []byte) UserIDCalculator {
-	return UserIDCalculator{
+func NewUserIDCalculator(secret []byte) *UserIDCalculator {
+	return &UserIDCalculator{
 		Secret:     secret,
 		TimeCost:   15,
 		MemoryCost: 128 * 1024,
@@ -50,7 +50,7 @@ func NewUserIDCalculator(secret []byte) UserIDCalculator {
 }
 
 // Calculate accepts a name and password and returns the calculated UserID.
-func (c UserIDCalculator) Calculate(name, password string) UserID {
+func (c *UserIDCalculator) Calculate(name, password string) UserID {
 
 	input := fmt.Sprintf("%q:%q", name, password)