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Help Center/ Object Storage Service/ SDK Reference/ iOS/ CORS/ Viewing CORS Rules

Viewing CORS Rules

Updated on 2023-11-09 GMT+08:00

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You can call getBucketCORS to view CORS rules of a bucket. Sample code is as follows:

static OBSClient *client;
NSString *endPoint = @"your-endpoint";
// Hard-coded or plaintext AK/SK are risky. For security purposes, encrypt your AK/SK and store them in the configuration file or environment variables. In this example, the AK/SK are stored in environment variables for identity authentication. Before running this example, configure environment variables AccessKeyID and SecretAccessKey.
// Obtain an AK/SK pair on the management console. For details, see https://support.huaweicloud.com/eu/usermanual-ca/ca_01_0003.html.
char* ak_env = getenv("AccessKeyID");
char* sk_env = getenv("SecretAccessKey");
NSString *AK = [NSString stringWithUTF8String:ak_env];
NSString *SK = [NSString stringWithUTF8String:sk_env];
    
// Initialize identity authentication.
OBSStaticCredentialProvider *credentialProvider = [[OBSStaticCredentialProvider alloc] initWithAccessKey:AK secretKey:SK];
    
//Initialize service configuration.
OBSServiceConfiguration *conf = [[OBSServiceConfiguration alloc] initWithURLString:endPoint credentialProvider:credentialProvider];
    
// Initialize an instance of OBSClient.
client = [[OBSClient alloc] initWithConfiguration:conf];
    
// Obtain CORS rules of a bucket.
OBSGetBucketCORSRequest *request = [[OBSGetBucketCORSRequest alloc] initWithBucketName:@"bucketname"];
    
[client getBucketCORS:request completionHandler:^(OBSGetBucketCORSResponse *response, NSError *error) {
    NSLog(@"%@",response);
}];