feat: support range params in the policy

obs/model_other.go

@@ -34,12 +34,20 @@ type CreateSignedUrlOutput struct {
 	ActualSignedRequestHeaders http.Header
 }
 
+// ConditionRange the specifying ranges in the conditions
+type ConditionRange struct {
+	RangeName string
+	Lower     int64
+	Upper     int64
+}
+
 // CreateBrowserBasedSignatureInput is the input parameter of CreateBrowserBasedSignature function.
 type CreateBrowserBasedSignatureInput struct {
-	Bucket     string
-	Key        string
-	Expires    int
-	FormParams map[string]string
+	Bucket      string
+	Key         string
+	Expires     int
+	FormParams  map[string]string
+	RangeParams []ConditionRange
 }
 
 // CreateBrowserBasedSignatureOutput is the result of CreateBrowserBasedSignature function.

obs/temporary_other.go

@@ -93,6 +93,10 @@ func (obsClient ObsClient) CreateBrowserBasedSignature(input *CreateBrowserBased
 		originPolicySlice = append(originPolicySlice, "[\"starts-with\", \"$key\", \"\"],")
 	}
 
+	for _, v := range input.RangeParams {
+		originPolicySlice = append(originPolicySlice, fmt.Sprintf("[\"%s\", %d, %d],", v.RangeName, v.Lower, v.Upper))
+	}
+
 	originPolicySlice = append(originPolicySlice, "]}")
 
 	originPolicy := strings.Join(originPolicySlice, "")