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| #!/usr/bin/env groovy
@Grab("org.mortbay.jetty:jetty-embedded:6.1.26")
import java.lang.reflect.InvocationTargetException
import java.lang.reflect.Method
import javax.servlet.http.*
import javax.servlet.ServletException
import org.mortbay.jetty.Connector
import org.mortbay.jetty.Handler
import org.mortbay.jetty.handler.AbstractHandler
import org.mortbay.jetty.Request
import org.mortbay.jetty.Server
class FacebookOauth {
def appId
def localHost = "localhost"
def localPort = 9999
def scopeList = []
def String accessToken = null
def String expiresIn = null
def accessTokenFile = new File("access_token.txt")
void load() {
if( accessTokenFile.exists() )
this.accessToken = accessTokenFile.text
}
void save() {
accessTokenFile.write this.accessToken
}
String auth() {
assert appId
assert localHost
assert localPort
assert !accessToken
assert !expiresIn
assert scopeList && !scopeList.empty
def urltext = "https://www.facebook.com/dialog/oauth?" + [
"client_id=${appId}",
"redirect_uri=" + URLEncoder.encode("http://${localHost}:${localPort}/login_success.html", "utf-8"),
"scope=" + URLEncoder.encode(scopeList.join(","), "utf-8"),
"response_type=token",
].join("&")
def browser = { url ->
switch(System.getProperty("os.name", "")) {
case ~/^Mac OS/:
Class fileMgr = Class.forName("com.apple.eio.FileManager")
Method openURL = fileMgr.getDeclaredMethod("openURL", [ String.class ] as Class[])
openURL.invoke(null, [ url ] as Object[])
break
case ~/^Windows/:
return Runtime.runtime.exec("rundll32 url.dll,FileProtocolHandler " + url)
break
default:
def enableBrowser = [ "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" ].find{
Runtime.runtime.exec([ "which", it ] as String[]).waitFor() == 0
}
if (!enableBrowser)
throw new NoSuchMethodException("Could not find web browser")
return Runtime.runtime.exec(enableBrowser + " ${url}")
break
}
}(urltext)
def server = new Server(localPort)
server.with{
connectors.each{
it.host = "${localHost}"
}
handler = [
handle:{ String target, HttpServletRequest request, HttpServletResponse response, int dispatch ->
switch(target) {
case "/login_success.html":
response.with{
status = HttpServletResponse.SC_OK
contentType = "text/html"
writer.withWriter{
it.println("<html>")
it.println("<head>")
it.println("<script type='text/javascript'>")
it.println("function init() {")
it.println(" window.location = 'http://localhost:9999/access_token.html?' + window.location.toString().split('#')[1];");
it.println("}")
it.println("</script>")
it.println("</head>")
it.println("<body onload=\"init();\">")
it.println("</body>")
it.println("</html>")
}
}
break
case "/access_token.html":
synchronized(this){
accessToken = request.getParameter("access_token")
expiresIn = request.getParameter("expires_in")
}
request.handled = true
break
default:
response.status = HttpServletResponse.SC_NOT_FOUND
break
}
}
] as AbstractHandler
}
server.start()
while ( !accessToken ) {
Thread.sleep(1000)
}
browser.destroy()
server.stop()
server.join()
this.accessToken
}
}
|