diff options
| -rw-r--r-- | README.md | 21 | ||||
| -rw-r--r-- | channel.lua | 93 | ||||
| -rw-r--r-- | init.lua | 16 | ||||
| -rw-r--r-- | webmail.lua | 53 |
4 files changed, 183 insertions, 0 deletions
diff --git a/README.md b/README.md new file mode 100644 index 0000000..894fad9 --- /dev/null +++ b/README.md @@ -0,0 +1,21 @@ +# Auth_export mod for minetest + +This is an ad-hoc mod written to interface Minetest with Mediawiki +(see [the mediawiki plugin](/AuthMinetest.git/)). It is intended only +for usage with the http server bundled with the mediawiki plugin. + +# Installation + +To set up your minetest installation to communicate with the minetest server, edit your "minetest.conf": + +``` +# enable curl/http on that mod +secure.http_mods = mail +secure.http_mods = auth_export +``` + +# credits + +This mod is essentially scavenged from +[the webmail mod](https://github.com/thomasrudin-mt/mail) by Thomas +Rudin. diff --git a/channel.lua b/channel.lua new file mode 100644 index 0000000..2885e68 --- /dev/null +++ b/channel.lua @@ -0,0 +1,93 @@ +-- bi-directional http-channel +-- with long-poll GET and POST on the same URL + +local debug = true + +local function Channel(http, url, cfg) + cfg = cfg or {} + local extra_headers = cfg.extra_headers or {} + local timeout = cfg.timeout or 1 + local long_poll_timeout = cfg.long_poll_timeout or 30 + local error_retry = cfg.error_retry or 10 + + -- assemble post-header with json content + local post_headers = { "Content-Type: application/json" } + for _,header in pairs(cfg.extra_headers) do + table.insert(post_headers, header) + end + + local recv_listeners = {} + local run = true + + local recv_loop + + recv_loop = function() + assert(run) + + -- long-poll GET + http.fetch({ + url = url, + extra_headers = extra_headers, + timeout = long_poll_timeout + }, function(res) + if res.succeeded and res.code == 200 then + local data = minetest.parse_json(res.data) + + if debug then + minetest.log("action", "[webmail-rx] " .. dump(data)) + end + + if data then + for _,listener in pairs(recv_listeners) do + listener(data) + end + end + -- reschedule immediately + minetest.after(0, recv_loop) + else + -- error, retry after some time + minetest.after(error_retry, recv_loop) + end + end) + end + + + local send = function(data) + assert(run) + -- POST + + if debug then + minetest.log("action", "[webmail-tx] " .. dump(data)) + end + + http.fetch({ + url = url, + extra_headers = post_headers, + timeout = timeout, + post_data = minetest.write_json(data) + }, function(res) + -- TODO: error-handling + end) + end + + local receive = function(listener) + table.insert(recv_listeners, listener) + end + + local close = function() + run = false + end + + recv_loop(); + + return { + send = send, + receive = receive, + close = close + } + +end + + + +return Channel diff --git a/init.lua b/init.lua new file mode 100644 index 0000000..990ee0c --- /dev/null +++ b/init.lua @@ -0,0 +1,16 @@ +local http = minetest.request_http_api() +mail = {} +local MP = minetest.get_modpath(minetest.get_current_modname()) +mail.webmail = {} +mail.webmail.disallow_banned_players = true +if http then + local webmail_url = "http://127.0.0.1:8080" + local webmail_key = "foo bar baz" -- not used in the mod but might get used in the future. + + if not webmail_url then error("webmail.url is not defined") end + if not webmail_key then error("webmail.key is not defined") end + + print("[mail] loading webmail-component with endpoint: " .. webmail_url) + dofile(MP .. "/webmail.lua") + mail.webmail_init(http, webmail_url, webmail_key) +end diff --git a/webmail.lua b/webmail.lua new file mode 100644 index 0000000..5131adf --- /dev/null +++ b/webmail.lua @@ -0,0 +1,53 @@ +-- false per default +local has_xban2_mod = minetest.get_modpath("xban2") + +local MP = minetest.get_modpath(minetest.get_current_modname()) +local Channel = dofile(MP .. "/channel.lua") +local channel +-- auth request from webmail +local function auth_handler(auth) + local handler = minetest.get_auth_handler() + minetest.log("action", "[webmail] auth: " .. auth.name) + + local success = false + local banned = false + local message = "" + + if mail.webmail.disallow_banned_players and has_xban2_mod then + -- check xban db + local xbanentry = xban.find_entry(auth.name) + if xbanentry and xbanentry.banned then + banned = true + message = "Banned!" + end + end + + if not banned then + local entry = handler.get_auth(auth.name) + if entry and minetest.check_password_entry(auth.name, entry.password, auth.password) then + success = true + end + end + + channel.send({ + type = "auth", + data = { + name = auth.name, + success = success, + message = message + } + }) +end + + +function mail.webmail_init(http, url, key) + channel = Channel(http, url .. "/api/minetest/channel", { + extra_headers = { "webmailkey: " .. key } + }) + + channel.receive(function(data) + if data.type == "auth" then + auth_handler(data.data) + end + end) +end |