谷歌翻译接口研究
前面介绍了有道翻译接口 破解,接下来试一试谷歌翻译(Github项目地址)
同样,查看首页元素,如下:
得到 Request URL 和 Request Method。
然后查看 From Data,可以看到一系列的参数,不过我们重点只需要关注 tk。
按照推断,tk 参数值也是一种签名,通过某种方法得到。我们从众多的 js 代码中可以发现一些端倪。
通过格式化 js 代码,得到
实际上,已经有大佬将计算 tk 代码破解了,这里我就直接放上来:
function token(a) { var k = ""; var b = 406644; var b1 = 3293161072; var jd = "."; var sb = "+-a^+6"; var Zb = "+-3^+b+-f"; for (var e = [], f = 0, g = 0; g < a.length; g++) { var m = a.charCodeAt(g); 128 > m ? e[f++] = m : (2048 > m ? e[f++] = m >> 6 | 192 : (55296 == (m & 64512) && g + 1 < a.length && 56320 == (a.charCodeAt(g + 1) & 64512) ? (m = 65536 + ((m & 1023) << 10) + (a.charCodeAt(++g) & 1023), e[f++] = m >> 18 | 240, e[f++] = m >> 12 & 63 | 128) : e[f++] = m >> 12 | 224, e[f++] = m >> 6 & 63 | 128), e[f++] = m & 63 | 128) } a = b; for (f = 0; f < e.length; f++) a += e[f], a = RL(a, sb); a = RL(a, Zb); a ^= b1 || 0; 0 > a && (a = (a & 2147483647) + 2147483648); a %= 1E6; return a.toString() + jd + (a ^ b) }; function RL(a, b) { var t = "a"; var Yb = "+"; for (var c = 0; c < b.length - 2; c += 3) { var d = b.charAt(c + 2), d = d >= t ? d.charCodeAt(0) - 87 : Number(d), d = b.charAt(c + 1) == Yb ? a >>> d: a << d; a = b.charAt(c) == Yb ? a + d & 4294967295 : a ^ d } return a }
tk 都得到了,剩下的按部就班的就 OK 啦,JAVA 代码如下:
public class Google { public static void main(String[] args) throws Exception { String from = "zh-CN"; String to = "en"; String q = "我是谁,我在哪儿?"; String url = "http://translate.google.cn/translate_a/single"; String tk = token(q); Map<String, String> params = new HashMap<String, String>(); params.put("client", "t"); params.put("sl", from); params.put("tl", to); params.put("hl", "zh-CN"); params.put("dt", "at"); params.put("dt", "bd"); params.put("dt", "ex"); params.put("dt", "ld"); params.put("dt", "md"); params.put("dt", "qca"); params.put("dt", "rw"); params.put("dt", "rm"); params.put("dt", "ss"); params.put("dt", "t"); params.put("ie", "UTF-8"); params.put("oe", "UTF-8"); params.put("source", "btn"); params.put("ssel", "0"); params.put("tsel", "0"); params.put("kc", "0"); params.put("tk", tk); params.put("q", q); CloseableHttpClient httpClient = HttpClients.createDefault(); URIBuilder uri = new URIBuilder(url); for (String key : params.keySet()) { String value = params.get(key); uri.addParameter(key, value); } HttpUriRequest request = new HttpGet(uri.toString()); CloseableHttpResponse response = httpClient.execute(request); HttpEntity entity = response.getEntity(); String result = EntityUtils.toString(entity, "utf-8"); System.out.println(result); EntityUtils.consume(entity); response.getEntity().getContent().close(); response.close(); } private static String token(String value) { String result = ""; ScriptEngine engine = new ScriptEngineManager().getEngineByName("js"); try { FileReader reader = new FileReader("Google.js"); engine.eval(reader); if (engine instanceof Invocable) { Invocable invoke = (Invocable)engine; result = String.valueOf(invoke.invokeFunction("token", value)); } } catch (Exception e) { e.printStackTrace(); } return result; } }
本文转自:https://blog.csdn.net/hujingshuang/article/details/80178152