package dispatcher_test

import (
	"testing"

	. "v2ray.com/core/app/dispatcher"
	"v2ray.com/core/app/proxyman"
	. "v2ray.com/ext/assert"
)

func TestHTTPHeaders(t *testing.T) {
	assert := With(t)

	cases := []struct {
		input  string
		domain string
		err    error
	}{
		{
			input: `GET /tutorials/other/top-20-mysql-best-practices/ HTTP/1.1
Host: net.tutsplus.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Cookie: PHPSESSID=r2t5uvjq435r4q7ib3vtdjq120
Pragma: no-cache
Cache-Control: no-cache`,
			domain: "net.tutsplus.com",
			err:    nil,
		},
		{
			input: `POST /foo.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://localhost/test.php
Content-Type: application/x-www-form-urlencoded
Content-Length: 43
 
first_name=John&last_name=Doe&action=Submit`,
			domain: "localhost",
			err:    nil,
		},
		{
			input: `X /foo.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://localhost/test.php
Content-Type: application/x-www-form-urlencoded
Content-Length: 43
 
first_name=John&last_name=Doe&action=Submit`,
			domain: "",
			err:    ErrInvalidData,
		},
		{
			input: `GET /foo.php HTTP/1.1
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://localhost/test.php
Content-Type: application/x-www-form-urlencoded
Content-Length: 43

Host: localhost
first_name=John&last_name=Doe&action=Submit`,
			domain: "",
			err:    ErrInvalidData,
		},
		{
			input:  `GET /tutorials/other/top-20-mysql-best-practices/ HTTP/1.1`,
			domain: "",
			err:    ErrMoreData,
		},
	}

	for _, test := range cases {
		domain, err := SniffHTTP([]byte(test.input))
		assert(domain, Equals, test.domain)
		assert(err, Equals, test.err)
	}
}

func TestTLSHeaders(t *testing.T) {
	assert := With(t)

	cases := []struct {
		input  []byte
		domain string
		err    error
	}{
		{
			input: []byte{
				0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
				0xc4, 0x03, 0x03, 0x1a, 0xac, 0xb2, 0xa8, 0xfe,
				0xb4, 0x96, 0x04, 0x5b, 0xca, 0xf7, 0xc1, 0xf4,
				0x2e, 0x53, 0x24, 0x6e, 0x34, 0x0c, 0x58, 0x36,
				0x71, 0x97, 0x59, 0xe9, 0x41, 0x66, 0xe2, 0x43,
				0xa0, 0x13, 0xb6, 0x00, 0x00, 0x20, 0x1a, 0x1a,
				0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c, 0xc0, 0x30,
				0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13,
				0xc0, 0x13, 0xc0, 0x14, 0x00, 0x9c, 0x00, 0x9d,
				0x00, 0x2f, 0x00, 0x35, 0x00, 0x0a, 0x01, 0x00,
				0x00, 0x7b, 0xba, 0xba, 0x00, 0x00, 0xff, 0x01,
				0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00,
				0x14, 0x00, 0x00, 0x11, 0x63, 0x2e, 0x73, 0x2d,
				0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66,
				0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x00, 0x17, 0x00,
				0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0d, 0x00,
				0x14, 0x00, 0x12, 0x04, 0x03, 0x08, 0x04, 0x04,
				0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01, 0x08,
				0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x05, 0x00,
				0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12,
				0x00, 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c,
				0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70,
				0x2f, 0x31, 0x2e, 0x31, 0x00, 0x0b, 0x00, 0x02,
				0x01, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08,
				0xaa, 0xaa, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18,
				0xaa, 0xaa, 0x00, 0x01, 0x00,
			},
			domain: "c.s-microsoft.com",
			err:    nil,
		},
		{
			input: []byte{
				0x16, 0x03, 0x01, 0x00, 0xee, 0x01, 0x00, 0x00,
				0xea, 0x03, 0x03, 0xe7, 0x91, 0x9e, 0x93, 0xca,
				0x78, 0x1b, 0x3c, 0xe0, 0x65, 0x25, 0x58, 0xb5,
				0x93, 0xe1, 0x0f, 0x85, 0xec, 0x9a, 0x66, 0x8e,
				0x61, 0x82, 0x88, 0xc8, 0xfc, 0xae, 0x1e, 0xca,
				0xd7, 0xa5, 0x63, 0x20, 0xbd, 0x1c, 0x00, 0x00,
				0x8b, 0xee, 0x09, 0xe3, 0x47, 0x6a, 0x0e, 0x74,
				0xb0, 0xbc, 0xa3, 0x02, 0xa7, 0x35, 0xe8, 0x85,
				0x70, 0x7c, 0x7a, 0xf0, 0x00, 0xdf, 0x4a, 0xea,
				0x87, 0x01, 0x14, 0x91, 0x00, 0x20, 0xea, 0xea,
				0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c, 0xc0, 0x30,
				0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13,
				0xc0, 0x13, 0xc0, 0x14, 0x00, 0x9c, 0x00, 0x9d,
				0x00, 0x2f, 0x00, 0x35, 0x00, 0x0a, 0x01, 0x00,
				0x00, 0x81, 0x9a, 0x9a, 0x00, 0x00, 0xff, 0x01,
				0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00,
				0x16, 0x00, 0x00, 0x13, 0x77, 0x77, 0x77, 0x30,
				0x37, 0x2e, 0x63, 0x6c, 0x69, 0x63, 0x6b, 0x74,
				0x61, 0x6c, 0x65, 0x2e, 0x6e, 0x65, 0x74, 0x00,
				0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00,
				0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, 0x03, 0x08,
				0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05,
				0x01, 0x08, 0x06, 0x06, 0x01, 0x02, 0x01, 0x00,
				0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
				0x00, 0x12, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0e,
				0x00, 0x0c, 0x02, 0x68, 0x32, 0x08, 0x68, 0x74,
				0x74, 0x70, 0x2f, 0x31, 0x2e, 0x31, 0x75, 0x50,
				0x00, 0x00, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00,
				0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08, 0x9a, 0x9a,
				0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x8a, 0x8a,
				0x00, 0x01, 0x00,
			},
			domain: "www07.clicktale.net",
			err:    nil,
		},
	}

	for _, test := range cases {
		domain, err := SniffTLS(test.input)
		assert(domain, Equals, test.domain)
		assert(err, Equals, test.err)
	}
}

func TestUnknownSniffer(t *testing.T) {
	assert := With(t)

	assert(func() { NewSniffer([]proxyman.KnownProtocols{proxyman.KnownProtocols(-1)}) }, Panics)
}
