Esempio n. 1
0
func main() {

	ch1 := curl.EasyInit()
	ch2 := curl.EasyInit()

	ch1.Setopt(curl.OPT_URL, "http://www.163.com")
	ch1.Setopt(curl.OPT_HEADER, 0)
	ch1.Setopt(curl.OPT_VERBOSE, true)
	ch2.Setopt(curl.OPT_URL, "http://www.baidu.com")
	ch2.Setopt(curl.OPT_HEADER, 0)
	ch2.Setopt(curl.OPT_VERBOSE, true)

	mh := curl.MultiInit()

	mh.AddHandle(ch1)
	mh.AddHandle(ch2)

	for {
		nRunning, _ := mh.Perform()
		// println("n =", nRunning)
		if nRunning == 0 {
			println("ok")
			break
		}
		time.Sleep(1000)
	}

}
Esempio n. 2
0
func main() {
	var (
		rset, wset, eset            syscall.FdSet
		still_running, curl_timeout int = 0, 0
		err                         error
	)

	ch1 := curl.EasyInit()
	ch2 := curl.EasyInit()

	ch1.Setopt(curl.OPT_URL, "http://www.163.com")
	ch1.Setopt(curl.OPT_HEADER, 0)
	ch1.Setopt(curl.OPT_VERBOSE, true)
	ch2.Setopt(curl.OPT_URL, "http://www.baidu.com")
	ch2.Setopt(curl.OPT_HEADER, 0)
	ch2.Setopt(curl.OPT_VERBOSE, true)

	mh := curl.MultiInit()

	mh.AddHandle(ch1)
	mh.AddHandle(ch2)

	for {
		FD_ZERO(&rset)
		FD_ZERO(&wset)
		FD_ZERO(&eset)

		timeout := syscall.Timeval{Sec: 1, Usec: 0}
		curl_timeout, err = mh.Timeout()
		if err != nil {
			fmt.Printf("Error multi_timeout: %s\n", err)
		}
		if curl_timeout >= 0 {
			timeout.Sec = int64(curl_timeout / 1000)
			if timeout.Sec > 1 {
				timeout.Sec = 1
			} else {
				timeout.Usec = int64((curl_timeout % 1000)) * 1000
			}
		}

		max_fd, err := mh.Fdset(&rset, &wset, &eset)
		if err != nil {
			fmt.Printf("Error FDSET: %s\n", err)
		}

		_, err = syscall.Select(int(max_fd+1), &rset, &wset, &eset, &timeout)
		if err != nil {
			fmt.Printf("Error select: %s\n", err)
		} else {
			still_running, err = mh.Perform()
			if still_running > 0 {
				fmt.Printf("Still running: %d\n", still_running)
			} else {
				break
			}
		}
	}

}
Esempio n. 3
0
func getAllImageUrl(url string, ep string) {
	//init eas
	easy := curl.EasyInit()
	defer easy.Cleanup()
	//header
	easy = generateHeader(easy)
	//loop page
	for i := 0; i < 100; i++ {
		fmt.Println("page " + strconv.Itoa(i))
		url := url + strconv.Itoa(i)
		ur := getData(easy, url, ep)
		go downloadFromUrl(ur, ep, strconv.Itoa(i+1))

		ts := strings.Split(ur, "/")
		extn := strings.Split(ts[len(ts)-1], ".")
		if len(extn) == 1 {
			i = 100
		} else {
			if extn[1] == "png" || extn[1] == "jpg" {
				//lnjut
			} else {
				i = 100
			}
		}
	}

}
Esempio n. 4
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func main() {
	// init the curl session

	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "http://www.renren.com")

	easy.Setopt(curl.OPT_PORT, 80)
	easy.Setopt(curl.OPT_VERBOSE, true)
	easy.Setopt(curl.OPT_CONNECT_ONLY, true)

	easy.Setopt(curl.OPT_WRITEFUNCTION, nil)

	if err := easy.Perform(); err != nil {
		println("ERROR: ", err.Error())
	}

	easy.Send([]byte("HEAD / HTTP/1.0\r\nHost: www.renren.com\r\n\r\n"))

	buf := make([]byte, 1000)
	time.Sleep(1000000000) // wait gorotine
	num, err := easy.Recv(buf)
	if err != nil {
		println("ERROR:", err.Error())
	}
	println("recv num = ", num)
	// NOTE: must use buf[:num]
	println(string(buf[:num]))

	fmt.Printf("got:\n%#v\n", string(buf[:num]))
}
Esempio n. 5
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func main() {
	curl.GlobalInit(curl.GLOBAL_ALL)

	// init the curl session
	easy := curl.EasyInit()
	defer easy.Cleanup()

	// set URL to get
	easy.Setopt(curl.OPT_URL, "http://cn.bing.com/")

	// no progress meter
	easy.Setopt(curl.OPT_NOPROGRESS, true)

	easy.Setopt(curl.OPT_WRITEFUNCTION, write_data)

	// write file
	fp, _ := os.OpenFile(bodyfilename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0777)
	defer fp.Close()
	easy.Setopt(curl.OPT_WRITEDATA, fp)

	// easy.Setopt(curl.OPT_WRITEHEADER, 0)

	if err := easy.Perform(); err != nil {
		println("ERROR: ", err.Error())
	}

}
Esempio n. 6
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func getCep(id string) string {
	cached := getFromCache(id)
	if cached != "" {
		return cached
	}
	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "http://viacep.com.br/ws/"+id+"/json/")

	result := " "

	// make a callback function
	fooTest := func(buf []byte, userdata interface{}) bool {
		result = string(buf)

		return true
	}

	easy.Setopt(curl.OPT_WRITEFUNCTION, fooTest)

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}

	return saveOnCache(id, result)
}
Esempio n. 7
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func main() {
	curl.GlobalInit(curl.GLOBAL_ALL)

	// init the curl session
	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "http://cn.bing.com/")

	easy.Setopt(curl.OPT_WRITEFUNCTION, write_data)

	// make a chan
	ch := make(chan string, 100)
	go func(ch chan string) {
		for {
			data := <-ch
			println("Got data size=", len(data))
		}
	}(ch)

	easy.Setopt(curl.OPT_WRITEDATA, ch)

	if err := easy.Perform(); err != nil {
		println("ERROR: ", err.Error())
	}

	time.Sleep(10000) // wait gorotine
}
Esempio n. 8
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func test_login() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)

	var mylogin sLogin
	mylogin.Cmd = 1
	mylogin.User_name = "test1"
	mylogin.Passwd = "passwd"
	mylogin.Ver = 1

	body, err := json.Marshal(mylogin)
	if err != nil {
		panic(err.Error())
	}

	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 9
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func main() {
	curl.GlobalInit(curl.GLOBAL_DEFAULT)
	defer curl.GlobalCleanup()
	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "ftp://ftp.gnu.org/README")

	// define our callback use lambda function
	easy.Setopt(curl.OPT_WRITEFUNCTION, func(ptr []byte, userdata interface{}) bool {
		file := userdata.(*os.File)
		if _, err := file.Write(ptr); err != nil {
			return false
		}
		return true
	})

	fp, _ := os.OpenFile(filename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0777)
	defer fp.Close() // defer close

	easy.Setopt(curl.OPT_WRITEDATA, fp)

	easy.Setopt(curl.OPT_VERBOSE, true)

	if err := easy.Perform(); err != nil {
		println("ERROR", err.Error())
	}
}
Esempio n. 10
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func test_get_realm() {
	//curl -d '{"cmd":3, "machine":1000, "ver":1, "acc_id":1001}' "http://127.0.0.1:9001"
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var getRealm sGet_realm
	getRealm.Cmd = 3
	getRealm.Machine = 1000
	getRealm.Ver = 1
	getRealm.Acc_id = 1001

	body, err := json.Marshal(getRealm)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 11
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func main() {
	curl.GlobalInit(curl.GLOBAL_ALL)

	// init the curl session
	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "http://curl.haxx.se/download/curl-7.22.0.tar.gz")

	easy.Setopt(curl.OPT_WRITEFUNCTION, write_data)

	easy.Setopt(curl.OPT_NOPROGRESS, false)

	started := int64(0)
	easy.Setopt(curl.OPT_PROGRESSFUNCTION, func(dltotal, dlnow, ultotal, ulnow float64, userdata interface{}) bool {
		// canceled when 50% finished
		if dlnow/dltotal > 0.5 {
			println("")
			// abort downloading
			return false
		}
		if started == 0 {
			started = time.Now().Unix()
		}
		fmt.Printf("Downloaded: %3.2f%%, Speed: %.1fKiB/s \r", dlnow/dltotal*100, dlnow/1000/float64((time.Now().Unix()-started)))
		return true
	})

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 12
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func main() {
	easy := curl.EasyInit()
	defer easy.Cleanup()
	if easy != nil {
		easy.Setopt(curl.OPT_URL, "http://www.google.com/")
		easy.Perform()
	}
}
Esempio n. 13
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func test_login() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	easy.Setopt(curl.OPT_POSTFIELDS, "{\"cmd\":1, \"acc_id\":\"[email protected]\", \"passwd\": \"mypasswd\"}")

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 14
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func test_get_user_id() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	easy.Setopt(curl.OPT_POSTFIELDS, "{\"cmd\": 5, \"realm_id\":0, \"acc_id\": 1}")

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 15
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func test_get_realm() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	easy.Setopt(curl.OPT_POSTFIELDS, "{\"cmd\":3, \"machine\": 1000, \"ver\": 1}")

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 16
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func test_login() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	easy.Setopt(curl.OPT_POSTFIELDS, "{\"cmd\":1, \"user_name\":\"test1\", \"passwd\": \"passwd\", \"ver\":1}")

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 17
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func main() {
	url := fmt.Sprintf("http://dev.markitondemand.com/MODApis/Api/v2/Quote/jsonp?symbol=%v&callback=my", os.Args[1])
	easy := curl.EasyInit()
	defer easy.Cleanup()
	easy.Setopt(curl.OPT_URL, url)

	handleData := func(buf []byte, userdata interface{}) bool {
		s := string(buf)
		print(s)
		return true
	}

	easy.Setopt(curl.OPT_WRITEFUNCTION, handleData)
	easy.Perform()
}
Esempio n. 18
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func test_get_realm() {
	//curl -d '{"cmd":3, "machine":1000, "ver":1, "acc_id":1001}' "http://127.0.0.1:9001"
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	easy.Setopt(curl.OPT_POSTFIELDS, "{\"cmd\":3, \"machine\": 1000, \"ver\": 1, \"acc_id\": 1001}")

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 19
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func main() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "http://www.baidu.com/")

	// make a callback function
	fooTest := func(buf []byte, userdata interface{}) bool {
		println("DEBUG: size=>", len(buf))
		println("DEBUG: content=>", string(buf))
		return true
	}

	easy.Setopt(curl.OPT_WRITEFUNCTION, fooTest)

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 20
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func main() {
	fmt.Println("Start proxy")
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		//urlhash := r.URL.Path[1:]
		q := r.URL.Query()
		urlhash := q.Get("u")
		url, err := base64.StdEncoding.DecodeString(urlhash)
		//url = []byte("https://www.google.com/search?q=neighborcity+agent+Karen+Frost&client=firefox-aurora&hs=CtL&rls=org.mozilla:en-US:unofficial&channel=sb&source=lnms&tbm=isch")
		fmt.Println(string(url))
		//return
		if err != nil {
			fmt.Println(w, "Error.")
			return
		}
		//aHR0cHM6Ly9heGNvdG8uY29t -> https://axcoto.com
		//fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])

		//aHR0cHM6Ly9pZmNvbmZpZy5tZQ== -> ifconfig.me
		easy := curl.EasyInit()
		defer easy.Cleanup()
		easy.Setopt(curl.OPT_URL, string(url))

		//What to do when finish CURL request.
		//We write back to original response
		requestFinish := func(buf []byte, userdata interface{}) bool {
			//println("DEBUG: size=>", len(buf))
			//println("DEBUG: content=>", string(buf))
			fmt.Fprintf(w, "%s", string(buf))
			return true
		}

		easy.Setopt(curl.OPT_WRITEFUNCTION, fooTest)
		//easy.Setopt(curl.OPT_HTTPHEADER, []string{"User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Firefox/31.0"})
		easy.Setopt(curl.OPT_HTTPHEADER, []string{r.UserAgent()})

		if err := easy.Perform(); err != nil {
			fmt.Printf("ERROR: %v\n", err)
		}

	})
	http.ListenAndServe(":23478", nil)
}
Esempio n. 21
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func main() {
	// init the curl session

	easy := curl.EasyInit()
	defer easy.Cleanup()

	posturl := getUploadUrl()

	easy.Setopt(curl.OPT_URL, posturl)

	easy.Setopt(curl.OPT_PORT, 80)
	easy.Setopt(curl.OPT_VERBOSE, true)

	// save cookie and load cookie
	easy.Setopt(curl.OPT_COOKIEFILE, "./cookie.jar")
	easy.Setopt(curl.OPT_COOKIEJAR, "./cookie.jar")

	// disable HTTP/1.1 Expect: 100-continue
	easy.Setopt(curl.OPT_HTTPHEADER, []string{"Expect:"})

	form := curl.NewForm()
	form.Add("albumid", "452618633") // your album id
	form.AddFile("theFile", "./test.jpg")
	form.Add("description", "我就尝试下这段代码靠谱不。。截图下看看")
	form.Add("post", "上传照片")

	easy.Setopt(curl.OPT_HTTPPOST, form)

	// print upload progress
	easy.Setopt(curl.OPT_NOPROGRESS, false)
	easy.Setopt(curl.OPT_PROGRESSFUNCTION, func(dltotal, dlnow, ultotal, ulnow float64, _ interface{}) bool {
		fmt.Printf("Download %3.2f%%, Uploading %3.2f%%\r", dlnow/dltotal*100, ulnow/ultotal*100)
		return true
	})

	if err := easy.Perform(); err != nil {
		println("ERROR: ", err.Error())
	}

	time.Sleep(1000000000) // wait gorotine

}
Esempio n. 22
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func test_get_init_mech() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var InitMech sGet_init_mech
	InitMech.Cmd = 9
	InitMech.Acc_id = 1001
	body, err := json.Marshal(InitMech)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 23
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func test_get_user_id() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var Get_user_id sGet_user_id
	Get_user_id.Cmd = 5
	Get_user_id.Realm_id = 0
	Get_user_id.Acc_id = 1
	body, err := json.Marshal(Get_user_id)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 24
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func test_apply_account() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var Apply_account sApply_account
	Apply_account.Cmd = 7
	Apply_account.Acc_name = "*****@*****.**"
	Apply_account.Passwd = "passwd"
	body, err := json.Marshal(Apply_account)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 25
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func main() {
	//for i:=0; i<10; i++{
	easy := curl.EasyInit()
	defer easy.Cleanup()

	easy.Setopt(curl.OPT_URL, "http://127.0.0.1:9001")

	// make a callback function
	fooTest := func(buf []byte, userdata interface{}) bool {
		println("DEBUG: size=>", len(buf))
		println("DEBUG: content=>", string(buf))
		return true
	}

	easy.Setopt(curl.OPT_WRITEFUNCTION, fooTest)
	easy.Setopt(curl.OPT_POSTFIELDS, "{\"user_id\":134}")

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
	//}
}
Esempio n. 26
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func test_get_player_info() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var player sQryPlayer
	player.Cmd = 15
	player.Player_id = *player_id

	body, err := json.Marshal(player)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 27
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func test_sync_cust_user() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var player sSyncCustUser
	player.Cmd = 13
	player.Acc_id = 1
	player.User_id = 1000
	player.Realm_id = 0
	body, err := json.Marshal(player)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 28
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func test_apply_player() {
	easy := curl.EasyInit()
	defer easy.Cleanup()

	fmt.Println(*url)
	easy.Setopt(curl.OPT_URL, *url)

	easy.Setopt(curl.OPT_WRITEFUNCTION, callback)
	var player sApply_player
	player.Cmd = 11
	player.Acc_id = 1001
	player.Mech_id = 11000
	player.Player_name = "无敌"
	player.Realm_id = 0
	body, err := json.Marshal(player)
	if err != nil {
		panic(err.Error())
	}
	easy.Setopt(curl.OPT_POSTFIELDS, string(body))

	if err := easy.Perform(); err != nil {
		fmt.Printf("ERROR: %v\n", err)
	}
}
Esempio n. 29
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func getUploadUrl() string {
	page := ""
	easy := curl.EasyInit()
	defer easy.Cleanup()

	u := "http://3g.renren.com/album/wuploadphoto.do"
	easy.Setopt(curl.OPT_URL, u)
	easy.Setopt(curl.OPT_COOKIEFILE, "./cookie.jar")
	easy.Setopt(curl.OPT_COOKIEJAR, "./cookie.jar")
	easy.Setopt(curl.OPT_VERBOSE, true)
	easy.Setopt(curl.OPT_WRITEFUNCTION, func(ptr []byte, _ interface{}) bool {
		page += string(ptr)
		return true
	})
	easy.Perform()
	// extract url from
	// <form enctype="multipart/form-data" action="http://3g.renren.com/album/wuploadphoto.do?type=3&amp;sid=zv3tiXTZr6Cu1rj5dhgX_X"
	pattern, _ := regexp.Compile(`action="(.*?)"`)

	if matches := pattern.FindStringSubmatch(page); len(matches) == 2 {
		return matches[1]
	}
	return ""
}
Esempio n. 30
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func main() {
	println("DEBUG chdir=>", os.Chdir("/sadf"))
	ret := curl.EasyInit()
	defer ret.Cleanup()
	print("init =>", ret, " ", reflect.TypeOf(ret).String(), endl)
	ret = ret.Duphandle()
	defer ret.Cleanup()

	print("dup =>", ret, " ", reflect.TypeOf(ret).String(), endl)
	print("global init =>", curl.GlobalInit(curl.GLOBAL_ALL), endl)
	print("version =>", curl.Version(), endl)
	// debug
	//print("set verbose =>", ret.Setopt(curl.OPT_VERBOSE, true), endl)

	//print("set header =>", ret.Setopt(curl.OPT_HEADER, true), endl)

	// auto calculate port
	// print("set port =>", ret.EasySetopt(curl.OPT_PORT, 6060), endl)
	fmt.Printf("XXXX debug setopt %#v \n", ret.Setopt(30000, 19).Error())

	print("set timeout =>", ret.Setopt(curl.OPT_TIMEOUT, 20), endl)

	//print("set post size =>", ret.Setopt(curl.OPT_POSTFIELDSIZE, 10), endl)
	if ret.Setopt(curl.OPT_URL, "http://www.baidu.com:8000/") != nil {
		println("set url ok!")
	}
	//print("set url =>", ret.Setopt(curl.OPT_URL, "http://commondatastorage.googleapis.com/chromium-browser-continuous/Linux_x64/104547/chrome-linux.zip"), endl)

	print("set user_agent =>", ret.Setopt(curl.OPT_USERAGENT, "go-curl v0.0.1") == nil, endl)
	// add to DNS cache
	print("set resolve =>", ret.Setopt(curl.OPT_RESOLVE, []string{"www.baidu.com:8000:127.0.0.1"}) == nil, endl)
	// ret.EasyReset()  clean seted

	// currently not finished!
	//
	fooTest := func(buf []byte, userdata interface{}) bool {
		// buf := ptr.([]byte)
		println("size=>", len(buf))
		println("DEBUG(in callback)", buf, userdata)
		println("data = >", string(buf))
		return true
	}

	ret.Setopt(curl.OPT_WRITEFUNCTION, fooTest) // curl.CallbackWriteFunction(fooTest))
	println("set opt!")
	// for test only

	code := ret.Perform()
	//	dump.Dump(code)
	fmt.Printf("code -> %v\n", code)

	println("================================")
	print("pause =>", ret.Pause(curl.PAUSE_ALL), endl)

	print("escape =>", ret.Escape("http://baidu.com/"), endl)
	print("unescape =>", ret.Unescape("http://baidu.com/-%00-%5c"), endl)

	print("unescape lenght =>", len(ret.Unescape("http://baidu.com/-%00-%5c")), endl)
	// print("version info data =>", curl.VersionInfo(1), endl)
	ver := curl.VersionInfo(curl.VERSION_NOW)
	fmt.Printf("VersionInfo: Age: %d, Version:%s, Host:%s, Features:%d, SslVer: %s, LibzV: %s, ssh: %s\n",
		ver.Age, ver.Version, ver.Host, ver.Features, ver.SslVersion, ver.LibzVersion, ver.LibsshVersion)

	print("Protocols:")
	for _, p := range ver.Protocols {
		print(p, ", ")
	}
	print(endl)
	println(curl.Getdate("20111002 15:05:58 +0800").String())
	ret.Getinfo(curl.INFO_EFFECTIVE_URL)
	ret.Getinfo(curl.INFO_RESPONSE_CODE)

	ret.Getinfo(curl.INFO_FILETIME)
	ret.Getinfo(curl.INFO_SSL_ENGINES)

	ret.Getinfo(curl.INFO_TOTAL_TIME)

	println("================================")

	// ret.Getinfo(curl.INFO_SSL_ENGINES)

	/*	mret := curl.MultiInit()
		mret.AddHandle(ret)			// works
		defer mret.Cleanup()
		if ok, handles := mret.Perform(); ok == curl.OK {
			fmt.Printf("ok=%s, handles=%d\n", ok, handles)
		} else {
			fmt.Printf("error calling multi\n")
		}
	*/
	println("================================")
	//println(curl.GlobalInit(curl.GLOBAL_SSL))
}