aliyun /
credentials-go
| Conditions | 14 |
| Total Lines | 63 |
| Code Lines | 52 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like credentials.*RsaKeyPairCredentialsProvider.updateCredential often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | package credentials |
||
| 99 | func (r *RsaKeyPairCredentialsProvider) updateCredential() (err error) { |
||
| 100 | if r.runtime == nil { |
||
| 101 | r.runtime = new(utils.Runtime) |
||
| 102 | } |
||
| 103 | request := request.NewCommonRequest() |
||
| 104 | request.Domain = "sts.aliyuncs.com" |
||
| 105 | if r.runtime.Host != "" { |
||
| 106 | request.Domain = r.runtime.Host |
||
| 107 | } else if r.runtime.STSEndpoint != "" { |
||
| 108 | request.Domain = r.runtime.STSEndpoint |
||
| 109 | } |
||
| 110 | request.Scheme = "HTTPS" |
||
| 111 | request.Method = "GET" |
||
| 112 | request.QueryParams["AccessKeyId"] = r.PublicKeyId |
||
| 113 | request.QueryParams["Action"] = "GenerateSessionAccessKey" |
||
| 114 | request.QueryParams["Format"] = "JSON" |
||
| 115 | if r.SessionExpiration > 0 { |
||
| 116 | if r.SessionExpiration >= 900 && r.SessionExpiration <= 3600 { |
||
| 117 | request.QueryParams["DurationSeconds"] = strconv.Itoa(r.SessionExpiration) |
||
| 118 | } else { |
||
| 119 | err = errors.New("[InvalidParam]:Key Pair session duration should be in the range of 15min - 1Hr") |
||
| 120 | return |
||
| 121 | } |
||
| 122 | } else { |
||
| 123 | request.QueryParams["DurationSeconds"] = strconv.Itoa(defaultDurationSeconds) |
||
| 124 | } |
||
| 125 | request.QueryParams["SignatureMethod"] = "SHA256withRSA" |
||
| 126 | request.QueryParams["SignatureType"] = "PRIVATEKEY" |
||
| 127 | request.QueryParams["SignatureVersion"] = "1.0" |
||
| 128 | request.QueryParams["Version"] = "2015-04-01" |
||
| 129 | request.QueryParams["Timestamp"] = utils.GetTimeInFormatISO8601() |
||
| 130 | request.QueryParams["SignatureNonce"] = utils.GetUUID() |
||
| 131 | signature := utils.Sha256WithRsa(request.BuildStringToSign(), r.PrivateKey) |
||
| 132 | request.QueryParams["Signature"] = signature |
||
| 133 | request.Headers["Host"] = request.Domain |
||
| 134 | request.Headers["Accept-Encoding"] = "identity" |
||
| 135 | request.URL = request.BuildURL() |
||
| 136 | content, err := doAction(request, r.runtime) |
||
| 137 | if err != nil { |
||
| 138 | return fmt.Errorf("refresh KeyPair err: %s", err.Error()) |
||
| 139 | } |
||
| 140 | var resp *rsaKeyPairResponse |
||
| 141 | err = json.Unmarshal(content, &resp) |
||
| 142 | if err != nil { |
||
| 143 | return fmt.Errorf("refresh KeyPair err: Json Unmarshal fail: %s", err.Error()) |
||
| 144 | } |
||
| 145 | if resp == nil || resp.SessionAccessKey == nil { |
||
| 146 | return fmt.Errorf("refresh KeyPair err: SessionAccessKey is empty") |
||
| 147 | } |
||
| 148 | sessionAccessKey := resp.SessionAccessKey |
||
| 149 | if sessionAccessKey.SessionAccessKeyId == "" || sessionAccessKey.SessionAccessKeySecret == "" || sessionAccessKey.Expiration == "" { |
||
| 150 | return fmt.Errorf("refresh KeyPair err: SessionAccessKeyId: %v, SessionAccessKeySecret: %v, Expiration: %v", sessionAccessKey.SessionAccessKeyId, sessionAccessKey.SessionAccessKeySecret, sessionAccessKey.Expiration) |
||
| 151 | } |
||
| 152 | |||
| 153 | expirationTime, err := time.Parse("2006-01-02T15:04:05Z", sessionAccessKey.Expiration) |
||
| 154 | r.lastUpdateTimestamp = time.Now().Unix() |
||
| 155 | r.credentialExpiration = int(expirationTime.Unix() - time.Now().Unix()) |
||
| 156 | r.sessionCredential = &sessionCredential{ |
||
| 157 | AccessKeyId: sessionAccessKey.SessionAccessKeyId, |
||
| 158 | AccessKeySecret: sessionAccessKey.SessionAccessKeySecret, |
||
| 159 | } |
||
| 160 | |||
| 161 | return |
||
| 162 | } |
||
| 163 |
