From bab5e42299fd9c1506058f089db7f50f648a0e42 Mon Sep 17 00:00:00 2001 From: Matt Baer Date: Tue, 16 Oct 2018 23:27:04 -0400 Subject: [PATCH] Add author package --- author/author.go | 116 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 author/author.go diff --git a/author/author.go b/author/author.go new file mode 100644 index 0000000..87a2239 --- /dev/null +++ b/author/author.go @@ -0,0 +1,116 @@ +package author + +import ( + "github.com/writeas/writefreely/config" + "os" + "path/filepath" + "regexp" +) + +// Regex pattern for valid usernames +var validUsernameReg = regexp.MustCompile("^[a-zA-Z0-9][a-zA-Z0-9-]*$") + +// List of reserved usernames +var reservedUsernames = map[string]bool{ + "a": true, + "about": true, + "add": true, + "admin": true, + "administrator": true, + "adminzone": true, + "api": true, + "article": true, + "articles": true, + "auth": true, + "authenticate": true, + "browse": true, + "c": true, + "categories": true, + "category": true, + "changes": true, + "create": true, + "css": true, + "data": true, + "dev": true, + "developers": true, + "draft": true, + "drafts": true, + "edit": true, + "edits": true, + "faq": true, + "feed": true, + "feedback": true, + "guide": true, + "guides": true, + "help": true, + "index": true, + "js": true, + "login": true, + "logout": true, + "me": true, + "media": true, + "meta": true, + "metadata": true, + "new": true, + "news": true, + "post": true, + "posts": true, + "privacy": true, + "publication": true, + "publications": true, + "publish": true, + "random": true, + "read": true, + "reader": true, + "register": true, + "remove": true, + "signin": true, + "signout": true, + "signup": true, + "start": true, + "status": true, + "summary": true, + "support": true, + "tag": true, + "tags": true, + "team": true, + "template": true, + "templates": true, + "terms": true, + "terms-of-service": true, + "termsofservice": true, + "theme": true, + "themes": true, + "tips": true, + "tos": true, + "update": true, + "updates": true, + "user": true, + "users": true, + "yourname": true, +} + +// IsValidUsername returns true if a given username is neither reserved nor +// of the correct format. +func IsValidUsername(cfg *config.Config, username string) bool { + // Username has to be above a character limit + if len(username) < cfg.App.MinUsernameLen { + return false + } + // Username is invalid if page with the same name exists. So traverse + // available pages, adding them to reservedUsernames map that'll be checked + // later. + // TODO: use pagesDir const + filepath.Walk("pages/", func(path string, i os.FileInfo, err error) error { + reservedUsernames[i.Name()] = true + return nil + }) + + // Username is invalid if it is reserved! + if _, reserved := reservedUsernames[username]; reserved { + return false + } + + // TODO: use correct regexp function here + return len(validUsernameReg.FindStringSubmatch(username)) > 0 +}