Grab a users gists from GitHub

github-get-gists.groovy

@Grab(group='org.codehaus.groovy.modules.http-builder', module='http-builder', version='0.7')
@Grab(group='oauth.signpost', module='signpost-core', version='1.2.1.2')
@Grab(group='oauth.signpost', module='signpost-commonshttp4', version='1.2.1.2')

import java.io.*
import groovyx.net.http.*
import groovyx.net.http.RESTClient
import groovy.json.JsonSlurper
import static groovyx.net.http.Method.*
import static groovyx.net.http.ContentType.*


def cli = new CliBuilder(usage:'u')
cli.u(args:1, 'username')
cli.p(args:1, 'page')
def options = cli.parse(args)


userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.154 Safari/537.36'

srcUrl = 'https://api.github.com/'
restUrl = '/users/' + options.u + '/gists'


def http = new HTTPBuilder(srcUrl);
http.request(GET, JSON) {
    uri.query = [page: options.p]
    uri.path = restUrl
    headers.'User-Agent' = userAgent

    response.success = { resp, json ->
        dirName = 'gists.' + options.u
        dir = new File(dirName).mkdir()

        resp.allHeaders.each {println it}

        json.each {
            it.files.each { key, value ->
                fileName = value.filename
                raw_url  = value.raw_url

                def httpChild = new HTTPBuilder('https://gist.githubusercontent.com');
                httpChild.request(GET, TEXT) {
                    headers.'User-Agent' = userAgent
                    uri.path = raw_url

                    println 'getting url: ' + uri.path

                    response.success = { gistResp, content ->
                        f = new File(dirName, fileName)
                        fos = new FileOutputStream(f)
                        fos.leftShift(content)
                    }
                }

            }
        }
    }

    response.'403' = { resp ->
        println 'Likely missing the User-Agent header, permission denied!'
    }
}