我的登录组件会短暂显示,然后被有关承诺中未定义对象的错误消息删除。
这是承诺的定义:
static init(): Promise<any> {
KeycloakClientService.auth.loggedIn = false;
return new Promise((resolve, reject) => {
const keycloakConfig = {
url: environment.KEYCLOAK_URL,
realm: environment.KEYCLOAK_REALM,
clientId: environment.KEYCLOAK_CLIENTID,
'ssl-required': 'external',
'public-client': true
};
const keycloakAuth: any = new Keycloak(keycloakConfig);
keycloakAuth.init({onLoad: 'check-sso'})
.success(() => {
KeycloakClientService.auth.loggedIn = true;
KeycloakClientService.auth.authz = keycloakAuth;
KeycloakClientService.auth.logoutUrl = environment.KEYCLOAK_URL
+ '/realms/' + environment.KEYCLOAK_REALM + '/protocol/openid-connect/logout?redirect_uri='
+ document.baseURI;
console.log('=======>> The keycloak client has been initiated successfully');
resolve('Succeeded in initiating the keycloak client');
})
.error(() => {
reject('Failed to initiate the keycloak client');
});
});
}
它被称为:
KeycloakClientService.init()
.then(
() => {
console.log('The keycloak client has been initialized');
}
)
.catch(
(error) => {
console.log(error);
window.location.reload();
}
);
控制台显示两条消息:
The keycloak client has been initiated successfully
The keycloak client has been initialized
我正在使用角度6.0.4
并尝试遵循这个blog https://medium.com/@blained3/connecting-keycloak-to-angular-d175c92a0dd3
有什么方法可以解决此错误,以便保持我的登录表单显示?
更新:我尝试使用可观察的而不是承诺,但问题仍然相同:
public init(): Observable<any> {
KeycloakClientService.auth.loggedIn = false;
return new Observable((observer) => {
const keycloakConfig = {
'url': environment.KEYCLOAK_URL,
'realm': environment.KEYCLOAK_REALM,
'clientId': environment.KEYCLOAK_CLIENTID,
'ssl-required': 'external',
'public-client': true
};
const keycloakAuth: any = new Keycloak(keycloakConfig);
keycloakAuth.init({ 'onLoad': 'check-sso' })
.success(() => {
KeycloakClientService.auth.loggedIn = true;
KeycloakClientService.auth.authz = keycloakAuth;
KeycloakClientService.auth.logoutUrl = environment.KEYCLOAK_URL
+ '/realms/' + environment.KEYCLOAK_REALM + '/protocol/openid-connect/logout?redirect_uri='
+ document.baseURI;
console.log('The keycloak auth has been initialized');
observer.next('Succeeded in initiating the keycloak client');
observer.complete();
})
.error(() => {
console.log('The keycloak client could not be initiated');
observer.error('Failed to initiate the keycloak client');
});
});
}
完整的源代码可以在GitHub https://github.com/stephaneeybert/ng-hero
更新:根据下面的答案,我还尝试使用then()
and a catch()
关键字但错误仍然完全相同:
keycloakAuth.init({ 'onLoad': 'check-sso' })
.then(() => {
KeycloakClientService.auth.loggedIn = true;
KeycloakClientService.auth.authz = keycloakAuth;
KeycloakClientService.auth.logoutUrl = environment.KEYCLOAK_URL
+ '/realms/' + environment.KEYCLOAK_REALM + '/protocol/openid-connect/logout?redirect_uri='
+ document.baseURI;
console.log('The keycloak auth has been initialized');
observer.next('Succeeded in initiating the keycloak client');
observer.complete();
})
.catch(() => {
console.log('The keycloak client could not be initiated');
observer.error('Failed to initiate the keycloak client');
});