github.com/chnsz/golangsdk@v0.0.0-20240506093406-85a3fbfa605b/openstack/obs/temporary_createSignedUrl.go (about)

     1  // Copyright 2019 Huawei Technologies Co.,Ltd.
     2  // Licensed under the Apache License, Version 2.0 (the "License"); you may not use
     3  // this file except in compliance with the License.  You may obtain a copy of the
     4  // License at
     5  //
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software distributed
     9  // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
    10  // CONDITIONS OF ANY KIND, either express or implied.  See the License for the
    11  // specific language governing permissions and limitations under the License.
    12  
    13  package obs
    14  
    15  import (
    16  	"errors"
    17  	"fmt"
    18  )
    19  
    20  // CreateSignedUrl creates signed url with the specified CreateSignedUrlInput, and returns the CreateSignedUrlOutput and error
    21  func (obsClient ObsClient) CreateSignedUrl(input *CreateSignedUrlInput, extensions ...extensionOptions) (output *CreateSignedUrlOutput, err error) {
    22  	if input == nil {
    23  		return nil, errors.New("CreateSignedUrlInput is nil")
    24  	}
    25  
    26  	params := make(map[string]string, len(input.QueryParams))
    27  	for key, value := range input.QueryParams {
    28  		params[key] = value
    29  	}
    30  
    31  	if input.SubResource != "" {
    32  		params[string(input.SubResource)] = ""
    33  	}
    34  
    35  	headers := make(map[string][]string, len(input.Headers))
    36  	for key, value := range input.Headers {
    37  		headers[key] = []string{value}
    38  	}
    39  
    40  	for _, extension := range extensions {
    41  		if extensionHeader, ok := extension.(extensionHeaders); ok {
    42  			_err := extensionHeader(headers, obsClient.conf.signature == SignatureObs)
    43  			if _err != nil {
    44  				doLog(LEVEL_INFO, fmt.Sprintf("set header with error: %v", _err))
    45  			}
    46  		} else {
    47  			doLog(LEVEL_INFO, "Unsupported extensionOptions")
    48  		}
    49  	}
    50  
    51  	if input.Expires <= 0 {
    52  		input.Expires = 300
    53  	}
    54  
    55  	requestURL, err := obsClient.doAuthTemporary(string(input.Method), input.Bucket, input.Key, input.Policy, params, headers, int64(input.Expires))
    56  	if err != nil {
    57  		return nil, err
    58  	}
    59  
    60  	output = &CreateSignedUrlOutput{
    61  		SignedUrl:                  requestURL,
    62  		ActualSignedRequestHeaders: headers,
    63  	}
    64  	return
    65  }