tencent cloud

pod 'QCloudCOSXML'

pod 'QCloudCOSXML/Transfer'

-ObjC
-all_load

#import <QCloudCOSXML/QCloudCOSXML.h>

import QCloudCOSXML

#import <QCloudCOSXML/QCloudCOSXMLTransfer.h>

import QCloudCOSXMLTransfer

//AppDelegate.m
// `AppDelegate` must follow `QCloudSignatureProvider` 
@interface AppDelegate()<QCloudSignatureProvider>
@end

@implementation AppDelegate

- (BOOL)application:(UIApplication * )application 
        didFinishLaunchingWithOptions:(NSDictionary * )launchOptions {

    QCloudServiceConfiguration* configuration = [QCloudServiceConfiguration new];
    QCloudCOSXMLEndPoint* endpoint = [[QCloudCOSXMLEndPoint alloc] init];

    // Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
    // For the list of regions supported by COS, see https://www.qcloud.com/document/product/436/6224
    endpoint.regionName = @"COS_REGION";
    // Use HTTPS
    endpoint.useHTTPS = true;
    configuration.endpoint = endpoint;
    // You are the key provider
    configuration.signatureProvider = self;
    // Initialize the COS instances
    [QCloudCOSXMLService registerDefaultCOSXMLWithConfiguration:configuration];
    [QCloudCOSTransferMangerService registerDefaultCOSTransferMangerWithConfiguration:
        configuration];
    return YES;
}


// Getting the signature: Here you can see how to get the temporary key and calculate the signature
// You can also customize the signature calculation process
- (void) signatureWithFields:(QCloudSignatureFields*)fields
                     request:(QCloudBizHTTPRequest*)request
                  urlRequest:(NSMutableURLRequest*)urlRequst
                   compelete:(QCloudHTTPAuthentationContinueBlock)continueBlock
{
        // Here, get the temporary key from the background server synchronously. It is highly recommended that the logic for getting a temporary key be placed here to maximize the availability of the key
    //...
    QCloudCredential* credential = [QCloudCredential new];

    // Temporary key SecretId 
    // Replace secret_id with the actual SecretId, which can be viewed at https://console.tencentcloud.com/cam/capi
    credential.secretID = @"SECRETID";
    // Temporary key SecretKey
    // Replace secret_key with the actual SecretKey, which can be viewed at https://console.tencentcloud.com/cam/capi
    credential.secretKey = @"SECRETKEY";
    // Temporary key token
    // Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, see https://www.tencentcloud.com/document/product/436/14048
    credential.token = @"TOKEN";
    /** You are advised to use the returned server time as the start time of the signature, to avoid signature errors caused by the large deviation between your phone’s local time and the system time (the unit of `startTime` and `expiredTime` is second).
    */
    credential.startDate = [NSDate dateWithTimeIntervalSince1970:startTime]; // Unit: second
    credential.expirationDate = [NSDate dateWithTimeIntervalSince1970:expiredTime]]; // Unit: second

    QCloudAuthentationV5Creator* creator = [[QCloudAuthentationV5Creator alloc]
        initWithCredential:credential];
    // Note: Do not perform the copy or mutableCopy operation on `urlRequst`
    QCloudSignature *signature = [creator signatureForData:urlRequst];
    continueBlock(signature, nil);
}


@end