1 files changed, 72 insertions, 0 deletions
diff --git a/vendor/github.com/goamz/goamz/exp/sns/sign.go b/vendor/github.com/goamz/goamz/exp/sns/sign.go
new file mode 100644
index 000000000..0c35f05ae
--- /dev/null
+++ b/vendor/github.com/goamz/goamz/exp/sns/sign.go
@@ -0,0 +1,72 @@
+package sns
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/base64"
+	"github.com/goamz/goamz/aws"
+	"sort"
+	"strings"
+)
+
+var b64 = base64.StdEncoding
+
+/*
+func sign(auth aws.Auth, method, path string, params url.Values, headers http.Header) {
+    var host string
+    for k, v := range headers {
+        k = strings.ToLower(k)
+        switch k {
+        case "host":
+            host = v[0]
+        }
+    }
+
+    params["AWSAccessKeyId"] = []string{auth.AccessKey}
+    params["SignatureVersion"] = []string{"2"}
+    params["SignatureMethod"] = []string{"HmacSHA256"}
+    if auth.Token() != "" {
+        params["SecurityToken"] = auth.Token()
+    }
+
+    var sarry []string
+    for k, v := range params {
+        sarry = append(sarry, aws.Encode(k) + "=" + aws.Encode(v[0]))
+    }
+
+    sort.StringSlice(sarry).Sort()
+    joined := strings.Join(sarry, "&")
+
+    payload := strings.Join([]string{method, host, "/", joined}, "\n")
+    hash := hmac.NewSHA256([]byte(auth.SecretKey))
+    hash.Write([]byte(payload))
+    signature := make([]byte, b64.EncodedLen(hash.Size()))
+    b64.Encode(signature, hash.Sum())
+
+    params["Signature"] = []string{"AWS " + string(signature)}
+    println("Payload:", payload)
+    println("Signature:", strings.Join(params["Signature"], "|"))
+}*/
+
+func sign(auth aws.Auth, method, path string, params map[string]string, host string) {
+	params["AWSAccessKeyId"] = auth.AccessKey
+	if auth.Token() != "" {
+		params["SecurityToken"] = auth.Token()
+	}
+	params["SignatureVersion"] = "2"
+	params["SignatureMethod"] = "HmacSHA256"
+
+	var sarray []string
+	for k, v := range params {
+		sarray = append(sarray, aws.Encode(k)+"="+aws.Encode(v))
+	}
+	sort.StringSlice(sarray).Sort()
+	joined := strings.Join(sarray, "&")
+	payload := method + "\n" + host + "\n" + path + "\n" + joined
+	hash := hmac.New(sha256.New, []byte(auth.SecretKey))
+	hash.Write([]byte(payload))
+	signature := make([]byte, b64.EncodedLen(hash.Size()))
+	b64.Encode(signature, hash.Sum(nil))
+
+	params["Signature"] = string(signature)
+}