/r/gnoland/blog/admin.gno
package gnoblog import ( "std" "strings" "gno.land/p/demo/avl" "gno.land/p/demo/dao" "gno.land/r/gov/dao/bridge" ) var ( adminAddr std.Address moderatorList avl.Tree commenterList avl.Tree inPause bool ) func init() { // adminAddr = std.GetOrigCaller() // FIXME: find a way to use this from the main's genesis. adminAddr = "g1manfred47kzduec920z88wfr64ylksmdcedlf5" // @moul } func AdminSetAdminAddr(addr std.Address) { assertIsAdmin() adminAddr = addr } func AdminSetInPause(state bool) { assertIsAdmin() inPause = state } func AdminAddModerator(addr std.Address) { assertIsAdmin() moderatorList.Set(addr.String(), true) } func AdminRemoveModerator(addr std.Address) { assertIsAdmin() moderatorList.Set(addr.String(), false) // FIXME: delete instead? } func NewPostExecutor(slug, title, body, publicationDate, authors, tags string) dao.Executor { callback := func() error { addPost(std.PrevRealm().Addr(), slug, title, body, publicationDate, authors, tags) return nil } return bridge.GovDAO().NewGovDAOExecutor(callback) } func ModAddPost(slug, title, body, publicationDate, authors, tags string) { assertIsModerator() caller := std.GetOrigCaller() addPost(caller, slug, title, body, publicationDate, authors, tags) } func addPost(caller std.Address, slug, title, body, publicationDate, authors, tags string) { var tagList []string if tags != "" { tagList = strings.Split(tags, ",") } var authorList []string if authors != "" { authorList = strings.Split(authors, ",") } err := b.NewPost(caller, slug, title, body, publicationDate, authorList, tagList) checkErr(err) } func ModEditPost(slug, title, body, publicationDate, authors, tags string) { assertIsModerator() tagList := strings.Split(tags, ",") authorList := strings.Split(authors, ",") err := b.GetPost(slug).Update(title, body, publicationDate, authorList, tagList) checkErr(err) } func ModRemovePost(slug string) { assertIsModerator() b.RemovePost(slug) } func ModAddCommenter(addr std.Address) { assertIsModerator() commenterList.Set(addr.String(), true) } func ModDelCommenter(addr std.Address) { assertIsModerator() commenterList.Set(addr.String(), false) // FIXME: delete instead? } func ModDelComment(slug string, index int) { assertIsModerator() err := b.GetPost(slug).DeleteComment(index) checkErr(err) } func isAdmin(addr std.Address) bool { return addr == adminAddr } func isModerator(addr std.Address) bool { _, found := moderatorList.Get(addr.String()) return found } func isCommenter(addr std.Address) bool { _, found := commenterList.Get(addr.String()) return found } func assertIsAdmin() { caller := std.GetOrigCaller() if !isAdmin(caller) { panic("access restricted.") } } func assertIsModerator() { caller := std.GetOrigCaller() if isAdmin(caller) || isModerator(caller) { return } panic("access restricted") } func assertIsCommenter() { caller := std.GetOrigCaller() if isAdmin(caller) || isModerator(caller) || isCommenter(caller) { return } panic("access restricted") } func assertNotInPause() { if inPause { panic("access restricted (pause)") } }