HTTP Basic 认证(Authentication)
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2022-07-12 11:16:55
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什么是HTTP Basic Authentication?直接看http://en.wikipedia.org/wiki/Basic_authentication_scheme吧。
在你访问一个需要HTTP Basic Authentication的URL的时候,如果你没有提供用户名和密码,服务器就会返回401,如果你直接在浏览器中打开,浏览器会提示你输入用户名和密码(google浏览器不会,bug?)。你可以尝试点击这个url看看效果:http://api.minicloud.com.cn/statuses/friends_timeline.xml
要在发送请求的时候添加HTTP Basic Authentication认证信息到请求中,有两种方法:
一是在请求头中添加Authorization:
Authorization: “Basic 用户名和密码的base64加密字符串”
二是在url中添加用户名和密码:
http://userName:[email protected]/statuses/friends_timeline.xml
spring中的方式如下:
/** Add HTTP Authorization header, using Basic-Authentication to send user-credentials.
*/
private static HttpHeaders getHeaders(){
String plainCredentials="bill:abc123";
String base64Credentials = new String(Base64.encodeBase64(plainCredentials.getBytes()));
HttpHeaders headers = new HttpHeaders();
headers.add("Authorization", "Basic " + base64Credentials);
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
return headers;
}
使用方法如下:
List<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
StringHttpMessageConverter converter = new StringHttpMessageConverter(Charset.forName("UTF-8"));
messageConverters.add(converter);
RestTemplate restTemplate = new RestTemplate();
restTemplate.setMessageConverters(messageConverters);
String plainCredentials="userName:password";
String base64Credentials = new String(Base64.encodeBase64(plainCredentials.getBytes()));
HttpHeaders headers = new HttpHeaders();
headers.add("Authorization", "Basic " + base64Credentials);
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
HttpEntity<String> formEntity = new HttpEntity<String>("", headers);
String result = restTemplate.postForObject(url, formEntity, String.class);
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