Ios 每次使用亚马逊预先签名的URL上传图像时,状态代码为400
要点:Ios 每次使用亚马逊预先签名的URL上传图像时,状态代码为400,ios,objective-c,amazon-s3,pre-signed-url,Ios,Objective C,Amazon S3,Pre Signed Url,要点: - (void)doUploadURL { UIImage *myimage = [UIImage imageNamed:@"testimage.png"]; NSData *imageData = UIImagePNGRepresentation(myimage); NSString *boundary = @"---011000010111000001101001"; NSMutableData *body = [NSMutableData data
- (void)doUploadURL {
UIImage *myimage = [UIImage imageNamed:@"testimage.png"];
NSData *imageData = UIImagePNGRepresentation(myimage);
NSString *boundary = @"---011000010111000001101001";
NSMutableData *body = [NSMutableData data];
// AcL parameter
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"acl\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAcL dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Content-Type parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Content-Type\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strContentType dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// key parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"key\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strKey dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// x-amz-meta-filename parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"x-amz-meta-filename\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strMetaFilename dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Credential parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Credential\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strCredential dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Algorithm parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Algorithm\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAlgorithm dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Date parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Date\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAmzDate dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Policy parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Policy\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strPolicy dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Signature parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Signature\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strSignature dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// file
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: attachment; name=\"file\"; filename=\"testimage.png\"\\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
NSDictionary *headers = @{ @"content-type": @"multipart/form-data"};
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://visual-showcase.s3-ap-southeast-2.amazonaws.com"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:3600.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:body];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@" Final Response : %d",httpResponse.statusCode);
if (error) {
NSLog(@"Error : %@", error);
dispatch_async(dispatch_get_main_queue(), ^{
[[[UIAlertView alloc] initWithTitle:@"Alert" message:@"Failed to upload" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil] show];
return;
});
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSError *err = nil;
NSDictionary *responseDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&err];
}
}];
[dataTask resume];
}
<NSHTTPURLResponse: 0x7d10e2c0> { status code: 400, headers {
Connection = close;
"Content-Type" = "application/xml";
Date = "Thu, 02 Feb 2017 07:20:18 GMT";
Server = AmazonS3;
"Transfer-Encoding" = Identity;
"x-amz-id-2" = "HIFhwBaj/ejjGoCgD2vacG2AtoxEFDXxSr6eulZtzUbuLoTcLT+AA9k6093Jyv5OIuK2wpi7+9c=";
"x-amz-request-id" = C221CD8DA2D80BCD;
} }
- 我正在使用我的iOS应用程序中的亚马逊预签名URL上传图像
- 现在的问题是我每次上传时都会收到状态码400
- 如果工作正常,它应该给出204状态代码
- 在Postman上测试时,预签名URL运行良好,但在应用程序端不起作用李>
- (void)doUploadURL {
UIImage *myimage = [UIImage imageNamed:@"testimage.png"];
NSData *imageData = UIImagePNGRepresentation(myimage);
NSString *boundary = @"---011000010111000001101001";
NSMutableData *body = [NSMutableData data];
// AcL parameter
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"acl\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAcL dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Content-Type parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Content-Type\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strContentType dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// key parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"key\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strKey dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// x-amz-meta-filename parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"x-amz-meta-filename\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strMetaFilename dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Credential parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Credential\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strCredential dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Algorithm parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Algorithm\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAlgorithm dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Date parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Date\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAmzDate dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Policy parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Policy\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strPolicy dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Signature parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Signature\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strSignature dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// file
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: attachment; name=\"file\"; filename=\"testimage.png\"\\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
NSDictionary *headers = @{ @"content-type": @"multipart/form-data"};
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://visual-showcase.s3-ap-southeast-2.amazonaws.com"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:3600.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:body];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@" Final Response : %d",httpResponse.statusCode);
if (error) {
NSLog(@"Error : %@", error);
dispatch_async(dispatch_get_main_queue(), ^{
[[[UIAlertView alloc] initWithTitle:@"Alert" message:@"Failed to upload" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil] show];
return;
});
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSError *err = nil;
NSDictionary *responseDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&err];
}
}];
[dataTask resume];
}
<NSHTTPURLResponse: 0x7d10e2c0> { status code: 400, headers {
Connection = close;
"Content-Type" = "application/xml";
Date = "Thu, 02 Feb 2017 07:20:18 GMT";
Server = AmazonS3;
"Transfer-Encoding" = Identity;
"x-amz-id-2" = "HIFhwBaj/ejjGoCgD2vacG2AtoxEFDXxSr6eulZtzUbuLoTcLT+AA9k6093Jyv5OIuK2wpi7+9c=";
"x-amz-request-id" = C221CD8DA2D80BCD;
} }
响应代码:
- (void)doUploadURL {
UIImage *myimage = [UIImage imageNamed:@"testimage.png"];
NSData *imageData = UIImagePNGRepresentation(myimage);
NSString *boundary = @"---011000010111000001101001";
NSMutableData *body = [NSMutableData data];
// AcL parameter
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"acl\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAcL dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Content-Type parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Content-Type\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strContentType dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// key parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"key\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strKey dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// x-amz-meta-filename parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"x-amz-meta-filename\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strMetaFilename dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Credential parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Credential\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strCredential dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Algorithm parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Algorithm\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAlgorithm dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Date parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Date\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAmzDate dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Policy parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Policy\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strPolicy dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Signature parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Signature\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strSignature dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// file
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: attachment; name=\"file\"; filename=\"testimage.png\"\\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
NSDictionary *headers = @{ @"content-type": @"multipart/form-data"};
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://visual-showcase.s3-ap-southeast-2.amazonaws.com"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:3600.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:body];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@" Final Response : %d",httpResponse.statusCode);
if (error) {
NSLog(@"Error : %@", error);
dispatch_async(dispatch_get_main_queue(), ^{
[[[UIAlertView alloc] initWithTitle:@"Alert" message:@"Failed to upload" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil] show];
return;
});
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSError *err = nil;
NSDictionary *responseDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&err];
}
}];
[dataTask resume];
}
<NSHTTPURLResponse: 0x7d10e2c0> { status code: 400, headers {
Connection = close;
"Content-Type" = "application/xml";
Date = "Thu, 02 Feb 2017 07:20:18 GMT";
Server = AmazonS3;
"Transfer-Encoding" = Identity;
"x-amz-id-2" = "HIFhwBaj/ejjGoCgD2vacG2AtoxEFDXxSr6eulZtzUbuLoTcLT+AA9k6093Jyv5OIuK2wpi7+9c=";
"x-amz-request-id" = C221CD8DA2D80BCD;
} }
{状态代码:400,标题{
连接=关闭;
“内容类型”=“应用程序/xml”;
日期=“2017年2月2日星期四07:20:18 GMT”;
服务器=AmazonS3;
“传输编码”=标识;
“x-amz-id-2”=“HIFhwBaj/EJGOCGD2VACG2ATOXEFDXR6EULZTZUBULOTCLT+AA9k6093Jyv5OIuK2wpi7+9c=”;
“x-amz-request-id”=C221CD8DA2D80BCD;
} }
问题:
- (void)doUploadURL {
UIImage *myimage = [UIImage imageNamed:@"testimage.png"];
NSData *imageData = UIImagePNGRepresentation(myimage);
NSString *boundary = @"---011000010111000001101001";
NSMutableData *body = [NSMutableData data];
// AcL parameter
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"acl\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAcL dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Content-Type parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Content-Type\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strContentType dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// key parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"key\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strKey dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// x-amz-meta-filename parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"x-amz-meta-filename\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strMetaFilename dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Credential parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Credential\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strCredential dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Algorithm parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Algorithm\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAlgorithm dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Date parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Date\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strAmzDate dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Policy parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"Policy\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strPolicy dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// X-Amz-Signature parameter
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"X-Amz-Signature\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[strSignature dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// file
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: attachment; name=\"file\"; filename=\"testimage.png\"\\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
NSDictionary *headers = @{ @"content-type": @"multipart/form-data"};
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://visual-showcase.s3-ap-southeast-2.amazonaws.com"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:3600.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:body];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@" Final Response : %d",httpResponse.statusCode);
if (error) {
NSLog(@"Error : %@", error);
dispatch_async(dispatch_get_main_queue(), ^{
[[[UIAlertView alloc] initWithTitle:@"Alert" message:@"Failed to upload" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil] show];
return;
});
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSError *err = nil;
NSDictionary *responseDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&err];
}
}];
[dataTask resume];
}
<NSHTTPURLResponse: 0x7d10e2c0> { status code: 400, headers {
Connection = close;
"Content-Type" = "application/xml";
Date = "Thu, 02 Feb 2017 07:20:18 GMT";
Server = AmazonS3;
"Transfer-Encoding" = Identity;
"x-amz-id-2" = "HIFhwBaj/ejjGoCgD2vacG2AtoxEFDXxSr6eulZtzUbuLoTcLT+AA9k6093Jyv5OIuK2wpi7+9c=";
"x-amz-request-id" = C221CD8DA2D80BCD;
} }
- 我的问题是,在使用亚马逊预签名URL上传文件时,我们需要设置什么?或者我们可以像普通API调用一样实现它
- 据我所知,它应该以类似于普通api的方式实现
- 请务必让我得到任何提示,或者如果我在请求格式中出错
提前感谢。最终通过更改请求参数格式解决了问题。下面是工作代码
- (void)doUploadURL {
UIImage *myimage = [UIImage imageNamed:@"testimage.png"];
NSData *imageData = UIImagePNGRepresentation(myimage);
NSString *boundary = @"------VohpleBoundary4QuqLuM1cE5lMwCy";
NSMutableData *body = [NSMutableData data];
//Populate a dictionary with all the regular values you would like to send.
NSMutableDictionary *parameters = [[NSMutableDictionary alloc] init];
[parameters setValue:strAcL forKey:@"acl"];
[parameters setValue:strContentType forKey:@"Content-Type"];
[parameters setValue:strKey forKey:@"key"];
[parameters setValue:strMetaFilename forKey:@"x-amz-meta-filename"];
[parameters setValue:strCredential forKey:@"X-Amz-Credential"];
[parameters setValue:strAlgorithm forKey:@"X-Amz-Algorithm"];
[parameters setValue:strAmzDate forKey:@"X-Amz-Date"];
[parameters setValue:strPolicy forKey:@"Policy"];
[parameters setValue:strSignature forKey:@"X-Amz-Signature"];
// add params (all params are strings)
for (NSString *param in parameters) {
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n", param] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", [parameters objectForKey:param]] dataUsingEncoding:NSUTF8StringEncoding]];
}
// Upload image
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"file\"; filename=\"testimage.png\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type:image/png\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
//Close off the request with the boundary
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"APIURL"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:3600.0];
[request setHTTPMethod:@"POST"];
// set Content-Type in HTTP header
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
[request setValue:contentType forHTTPHeaderField: @"Content-Type"];
[request setHTTPBody:body];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
if (error) {
NSLog(@"Error : %@", error);
dispatch_async(dispatch_get_main_queue(), ^{
[[[UIAlertView alloc] initWithTitle:@"Alert" message:@"Failed to upload" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil] show];
return;
});
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSError *err = nil;
NSDictionary *responseDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&err];
}
}];
[dataTask resume];
}
希望它能帮助指导他人。只有一个问题:为什么不直接使用亚马逊的SDK:?@andreasetjen实际上,预签名URL是通过服务器端编码生成的,而客户端通过一个API提供的,我必须在这里使用它上传文件。因此,可以说一半的过程在服务器端。尝试使用PUT而不是POST。我不是HTTP协议专家,但我发现您的方法存在一些问题:首先是边界:您在HTTP头中的何处指定它?如果(通过共关联)某些数据仅包含边界字符串,会发生什么情况?因此,我只想使用SDK进行重新编译(我不确定为什么您不能使用SDK;确切地说,URL是在服务器端生成的,但您只在客户端使用它)。@AndreasOetjen早些时候它是在头中指定的,所以已经尝试过使用该SDK,但不起作用,所以我将其删除