1 files changed, 111 insertions, 0 deletions
diff --git a/script/3rd/lua-uri/uri/pop.lua b/script/3rd/lua-uri/uri/pop.lua
new file mode 100644
index 00000000..e42d9d41
--- /dev/null
+++ b/script/3rd/lua-uri/uri/pop.lua
@@ -0,0 +1,111 @@
+local M = { _NAME = "uri.pop" }
+local URI = require "uri"
+local Util = require "uri._util"
+Util.subclass_of(M, URI)
+
+-- This is the set of characters must be encoded in a POP userinfo, which
+-- unlike for other schemes includes the ';' character.
+local _POP_USERINFO_ENCODE = "^A-Za-z0-9%-._~%%!$&'()*+,=:"
+
+function M.default_port () return 110 end
+
+local function _update_userinfo (self, old, new)
+    if new then
+        local _, _, user, auth = new:find("^(.*);[Aa][Uu][Tt][Hh]=(.*)$")
+        if not user then user = new end
+        if user == "" then return "pop user name must not be empty" end
+        user = Util.uri_encode(user, _POP_USERINFO_ENCODE)
+        if auth then
+            if auth == "" then return "pop auth type must not be empty" end
+            if auth == "*" then auth = nil end
+            auth = Util.uri_encode(auth, _POP_USERINFO_ENCODE)
+        end
+        new = user .. (auth and ";auth=" .. auth or "")
+    end
+
+    if new ~= old then M._SUPER.userinfo(self, new) end
+    return nil
+end
+
+function M.init (self)
+    if M._SUPER.path(self) ~= "" then
+        return nil, "pop URIs must have an empty path"
+    end
+
+    local userinfo = M._SUPER.userinfo(self)
+    local err = _update_userinfo(self, userinfo, userinfo)
+    if err then return nil, err end
+
+    return self
+end
+
+function M.userinfo (self, ...)
+    local old = M._SUPER.userinfo(self)
+
+    if select('#', ...) > 0 then
+        local new = ...
+        local err = _update_userinfo(self, old, new)
+        if err then error(err) end
+    end
+
+    return old
+end
+
+function M.path (self, new)
+    if new and new ~= "" then error("POP URIs must have an empty path") end
+    return ""
+end
+
+local function _decode_userinfo (self)
+    local old = M._SUPER.userinfo(self)
+    if not old then return nil, nil end
+    local _, _, old_user, old_auth = old:find("^(.*);auth=(.*)$")
+    if not old_user then old_user = old end
+    return old_user, old_auth
+end
+
+function M.pop_user (self, ...)
+    local old_user, old_auth = _decode_userinfo(self)
+
+    if select('#', ...) > 0 then
+        local new = ...
+        if new == "" then error("pop user name must not be empty") end
+        if not new and old_auth then
+            error("pop user name required when an auth type is specified")
+        end
+        if new then
+            new = Util.uri_encode(new, _POP_USERINFO_ENCODE)
+            if old_auth then new = new .. ";auth=" .. old_auth end
+        end
+        M._SUPER.userinfo(self, new)
+    end
+
+    return Util.uri_decode(old_user)
+end
+
+function M.pop_auth (self, ...)
+    local old_user, old_auth = _decode_userinfo(self)
+
+    if select('#', ...) > 0 then
+        local new = ...
+        if not new or new == ""
+            then error("pop auth type must not be empty")
+        end
+        if new == "*" then new = nil end
+        if new and not old_user then
+            error("pop auth type can't be specified without user name")
+        end
+        if new then
+            new = old_user .. ";auth=" ..
+                  Util.uri_encode(new, _POP_USERINFO_ENCODE)
+        else
+            new = old_user
+        end
+        M._SUPER.userinfo(self, new)
+    end
+
+    return old_auth and Util.uri_decode(old_auth) or "*"
+end
+
+return M
+-- vi:ts=4 sw=4 expandtab