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signature.go
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signature.go
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package wellnessliving
import (
"crypto/sha256"
"fmt"
"sort"
"strings"
"github.com/sirupsen/logrus"
)
func computeAuthorizationHash(signature Signature) string {
return "20150518," + signature.AuthorizationID + ",," + signatureCompute(signature)
}
func signatureCompute(signature Signature) string {
var parts []string
parts = append(parts, "Core\\Request\\Api::20150518")
parts = append(parts, signature.Time.Format("2006-01-02 15:04:05"))
parts = append(parts, signature.AuthorizationCode)
parts = append(parts, signature.Host)
parts = append(parts, signature.AuthorizationID)
parts = append(parts, signature.Method)
parts = append(parts, signature.Resource)
parts = append(parts, signature.CookiePersistent)
parts = append(parts, signature.CookieTransient)
// TODO: Maybe signature.Variable should be more abstract.
//$a_variable=WlModelRequest::signatureArray($a_data['a_variable'])
{
var keys []string
for key := range signature.Variables {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
value := signature.Variables.Get(key)
// TODO: If the value is null, use "${key} is null"
parts = append(parts, key+"="+value)
}
}
{
var keys []string
for key := range signature.Header {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
value := signature.Header.Get(key)
parts = append(parts, strings.ToLower(key)+":"+strings.TrimSpace(value))
}
}
input := strings.Join(parts, "\n")
logrus.Debugf("signatureCompute: parts: [\n%s\n]", input)
return fmt.Sprintf("%x", sha256.Sum256([]byte(input)))
}