[英]How to pass username and password to a web service from within an iPhone app?
Have a look to this code snippet:- 看看这个代码片段:
CommonService objcommonService;
NetworkCredential myCredentials = new NetworkCredential("144552", "F@mous123456");
objcommonService.Credentials = myCredentials;
This is a C#.net code. 这是一个C#.net代码。 In this snippet "
objcommonService
" is a object of the webservice " CommonService
". 在这个片段中“
objcommonService
”是web服务“的对象CommonService
”。 This webservice pre authenticates the user against its supplied credentials.In C#.NET NetworkCredential
is a standard class of the .NET . 此Web服务根据提供的凭据对用户进行预身份验证。在C#.NET中,
NetworkCredential
是.NET的标准类。
If I am trying to hit a webservice which requires these credentials in my iPhone app , How should I pass? 如果我试图在我的iPhone应用程序中访问要求这些凭据的Web服务,该如何通过?
Is there any way to do it so that the user of my app will not face any difficulty like "Authentication Failed !!" 有没有办法做到这一点,以使我的应用程序的用户不会遇到“身份验证失败!”之类的问题。 when he/she uses my app.
当他/她使用我的应用程序时。 The webservice pre authenticates the user.And I need to pass my credentials as my app calls for the service.
该Web服务会预先验证用户身份。我需要在我的应用调用该服务时传递我的凭据。
I implement the auth stuff by using the following delegate method in URLConnection 我通过在URLConnection中使用以下委托方法来实现身份验证内容
-(void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge{
if ([challenge previousFailureCount] == 0) {
NSURLCredential *newCredential;
newCredential=[NSURLCredential credentialWithUser:username
password:password
persistence:NSURLCredentialPersistenceNone];
[[challenge sender] useCredential:newCredential
forAuthenticationChallenge:challenge];
} else {
[[challenge sender] cancelAuthenticationChallenge:challenge];
// inform the user that the user name and password
// in the preferences are incorrect
}
} }
Hope this helps 希望这可以帮助
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