FacebookにGroovyでログイン（その３）

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

#!/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.ServletException
import javax.servlet.http.HttpServletRequest
import javax.servlet.http.HttpServletResponse
import org.mortbay.jetty.Connector
import org.mortbay.jetty.Handler
import org.mortbay.jetty.Request
import org.mortbay.jetty.Server
import org.mortbay.jetty.handler.AbstractHandler

def appId = "XXXXXXXXXXXXXXX"
def localHost = "localhost"
def localPort = 9999
def urlText = "https://www.facebook.com/dialog/oauth?" + [
        "client_id=${appId}",
        "redirect_uri=" + URLEncoder.encode("http://${localHost}:${localPort}/", "utf-8"),
        "scope=" + URLEncoder.encode("email,read_stream,friends_about_me,user_about_me", "utf-8"),
        "response_type=token",
].join("&")

def browserProcess = browse(urlText)

server = new Server(localPort)
server.connectors.each {
    it.host = "${localHost}"
}
server.handler = new Callback(browserProcess: browserProcess)
def serverThread = Thread.start {
    server.start()
}

def browse(String url) throws ClassNotFoundException, IllegalAccessException,
        IllegalArgumentException, InterruptedException, InvocationTargetException, IOException,
        NoSuchMethodException {
    String osName = System.getProperty("os.name", "")
    if (osName.startsWith("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[])
    } else if (osName.startsWith("Windows")) {
        return Runtime.runtime.exec("rundll32 url.dll,FileProtocolHandler " + url)
    } else {
        def browser = ["firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape"].find {
            Runtime.runtime.exec(["which", it] as String[]).waitFor() == 0
        }
        if (!browser)
            throw new NoSuchMethodException("Could not find web browser")
        return Runtime.runtime.exec(browser + " ${url}")
    }
}

class Callback extends AbstractHandler {
    def browserProcess

    void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
            throws IOException, ServletException {
        println request.requestURL
        request.handled = true
        this.browserProcess.destroy()
    }
}