Java Keycloak 缺少表单参数：grant_type
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Keycloak Missing form parameter: grant_type
提问by Borislav Stoilov
I have keycloak standalone running on my local machine.
我在本地机器上独立运行 keycloak。
I created new realm called 'spring-test', then new client called 'login-app'
我创建了名为“spring-test”的新领域，然后创建了名为“login-app”的新客户端
According to the rest documentation:
根据其余文档：
POST: http://localhost:8080/auth/realms/spring-test/protocol/openid-connect/token
{
"client_id": "login-app",
"username": "user123",
"password": "pass123",
"grant_type": "password"
}
should give me the jwt token but I get bad request with response
应该给我 jwt 令牌，但我收到了错误的响应请求
{
"error": "invalid_request",
"error_description": "Missing form parameter: grant_type"
}
I am assuming that something is missing in my configuration.
我假设我的配置中缺少某些内容。
EDIT: I was using json body but it should be form url encoded: the following body works:
编辑：我正在使用 json body 但它应该是表单 url 编码：以下正文有效：
token_type_hint:access_token&token:{token}&client_id:{client_id}&client_secret:{client_secret}
采纳答案by ipave
You should send your data in a POST request with Content-Typeheader value set to application/x-www-form-urlencoded, not json.
您应该在 POST 请求中发送数据，并将Content-Type标头值设置为application/x-www-form-urlencoded，而不是 json。
回答by Adnan Khan
For those having problems with curl the curl command is as follows
对于那些有 curl 问题的 curl 命令如下
curl -d "client_secret=<client-secret>" -d "client_id=<client-id>" -d "username=<username>" -d "password=<password>" -d "grant_type=password" "http://localhost:8080/auth/realms/<realm-name>/protocol/openid-connect/token"
The curl command works without the Content-Typeheader.
curl 命令在没有Content-Type标题的情况下工作。
回答by Marc
For those who landed here from a search looking for JavaScriptsolution.
对于那些从搜索中找到JavaScript解决方案的人。
Here is an example when exchanging codefor access_tokenwith keycloakauthority using axios.
交换时下面是一个例子code为access_token有keycloak权限使用axios。
querystringis used in this example:
本示例中使用了查询字符串：
npm install querystring --save-dev
or
或者
yarn add querystring --dev
Sending the request:
发送请求：
import queryString from 'querystring'
const params = {
grant_type: 'authorization_code,
client_id: 'client-id-here',
code: 'code-from-previous-redirect',
redirect_uri: location.protocol + '//' + location.host
};
axios({
method: 'post',
url: 'https://my-keycloak.authority/token',
data: queryString.stringify(params),
config: {
headers: {'Content-Type': 'application/x-www-form-urlencoded'}
}
}).then(response => {
console.log(response.data);
}).catch(error => {
console.error(error);
});
You are required to send a POST request with the parameters as a URL encoded string in the request body.
FormData object does not work.
您需要在请求正文中以 URL 编码字符串的形式发送带有参数的 POST 请求。
FormData 对象不起作用。
回答by Lanil Marasinghe
Here's a sample CURL command
这是一个示例 CURL 命令
curl -X POST \
http://localhost:8080/auth/realms/your_realm_name/protocol/openid-connect/token \
-H 'Accept: */*' \
-H 'Accept-Encoding: gzip, deflate' \
-H 'Cache-Control: no-cache' \
-H 'Connection: keep-alive' \
-H 'Content-Length: 69' \
-H 'Content-Type: application/x-www-form-urlencoded' \
-H 'Cookie: KC_RESTART=' \
-H 'Host: localhost:8080' \
-H 'Postman-Token: 88f38aa0-8659-4b37-a2aa-d6b92177bdc2,29c4e7db-51f4-48d1-b6d5-daab06b68ab4' \
-H 'User-Agent: PostmanRuntime/7.20.1' \
-H 'cache-control: no-cache' \
-d 'client_id=my-app&username=admin&password=admin123&grant_type=password'
回答by Rohit Tewari
I had similar issue in SOAPUI testing. We should not POST a json. This got resolved when I cleared 'Media Type' and checked 'PostQueryString' checkbox. 'Media Type box' will set to 'www-form-urlencoded' by itself. Add attributes at Top by hitting plus sign.
我在 SOAPUI 测试中遇到了类似的问题。我们不应该发布一个 json。当我清除“媒体类型”并选中“PostQueryString”复选框时，这个问题得到了解决。“媒体类型框”将自行设置为“www-form-urlencoded”。通过点击加号在顶部添加属性。
回答by Robin Mathur
With Curl
带卷曲
curl -X POST \
http://localhost:8080/auth/realms/api-gateway/protocol/openid-connect/token \
-H 'Accept: */*' \
-H 'Accept-Encoding: gzip, deflate' \
-H 'Cache-Control: no-cache' \
-H 'Connection: keep-alive' \
-H 'Content-Length: 73' \
-H 'Content-Type: application/x-www-form-urlencoded' \
-H 'Cookie: JSESSIONID=F8CD240FF046572F864DC37148E51128.a139df207ece; JSESSIONID=65D31B82F8C5FCAA5B1577DA03B4647C' \
-H 'Host: localhost:8080' \
-H 'Postman-Token: debc4f90-f555-4769-b392-c1130726a027,d5087d9f-9253-48bd-bb71-fda1d4558e4d' \
-H 'User-Agent: PostmanRuntime/7.15.2' \
-H 'cache-control: no-cache' \
-d 'grant_type=password&client_id=api-gateway&username=admin&password=temp123'
By Postman (Select x-www-form-urlencoded option for parameters)
邮递员（为参数选择 x-www-form-urlencoded 选项）
