X-Git-Url: https://jasonwoof.com/gitweb/?p=libre-fm-client-daemon.git;a=blobdiff_plain;f=api.coffee;fp=api.coffee;h=2ac50c5672aed38f9d6bfcbac2fb7434e6ad37ea;hp=0000000000000000000000000000000000000000;hb=9f281941f885f6fdcf878ce4c8b2cdb0f525c2a9;hpb=96118d765980c472bb3cafe75cd16b736724fe0d

diff --git a/api.coffee b/api.coffee
new file mode 100644
index 0000000..2ac50c5
--- /dev/null
+++ b/api.coffee
@@ -0,0 +1,89 @@
+fs = require 'fs'
+http = require 'http'
+crypto = require 'crypto'
+xml = require 'node-xml'
+
+# soooo annoying that setTimeout takes the ms arg last
+timeout = (ms, func) -> setTimeout func, ms
+
+auth = {}
+
+md5 = (str) ->
+	sum = crypto.createHash 'md5'
+	sum.update str
+	return sum.digest 'hex'
+
+new_auth_token = (user, pass) ->
+	token = md5(user + md5(pass))
+	auth.user = user
+	auth.token = token
+	return token
+
+auth_file = "#{process.env.HOME}/.libre.fm-cmus.auth"
+save_auth = (user, pass, callback) ->
+	token = new_auth_token(user, pass)
+	text = JSON.stringify user: user, token: new_auth_token(user, pass)
+	fs.writeFile auth_file, text, 'utf8', callback
+	return token
+
+# load login credentials from settings file
+load_auth = (callback) ->
+	if auth.user and auth.token
+		callback auth
+		return
+
+	fs.readFile auth_file, 'utf8', (err, data) ->
+		if err
+			callback err
+		else
+			callback null, JSON.parse data
+
+# login and get a session key
+login = (callback) ->
+	load_auth (err, auth) ->
+		return callback(err) if err?
+
+		http.get { host: 'alpha.libre.fm', port: 80, path: "/2.0/?method=auth.getmobilesession&username=#{auth.user}&authToken=#{auth.token}"}, (res) ->
+			if res.statusCode != 200
+				console.log "login response code: #{res.statusCode}"
+				callback "login response code: #{res.statusCode}"
+				return
+
+			res.setEncoding 'utf8'
+			body = ''
+			res.on 'data', (chunk) ->
+				body += chunk
+			res.on 'end', ->
+				element = ''
+				content = ''
+				done = false
+				huh = ->
+					# FIXME switch to an xml parser that will tell me when it's done
+					unless done
+						done = true
+						callback "xml parser failed to do anything with login server response"
+						console.log "xml parser didn't exit: #{body}"
+				parser = new xml.SaxParser (cb) ->
+					cb.onStartElementNS (name, attrs, prefix, uri, namespaces) ->
+						element = name
+						content = ''
+					cb.onCharacters (str) ->
+						content += str
+					cb.onEndElementNS (name, attrs, prefix, uri, namespaces) ->
+						if element is 'key'
+							done = true
+							auth.sk = content
+							console.log("got key \"#{content}\"")
+							callback null, content
+						else if element is 'error'
+							done = true
+							callback "login failed: \"#{content}\""
+						# ignore other tags stuff in there
+					cb.onEndDocument huh
+				parser.parseString body
+				timeout 1, huh
+
+
+exports.login = login # fixme remove this from the API and call it automatically
+exports.new_auth_token = new_auth_token
+exports.save_auth = save_auth