First commit

Former-commit-id: 424079609133edcc501ae185509836ee1181a02c

change_font/util/sign_client.py

@@ -0,0 +1,53 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+import base64
+import hmac
+from hashlib import sha1
+import uuid
+from urllib import parse
+import json
+from util.url import url_format_list
+from util.http import application_x_www_form_urlencoded,application_json
+
+__request_body = "request_body"
+
+
+def __generate_signature(parameters, access_key_secret):
+    sorted_parameters = sorted(parameters.items(), key=lambda parameters : parameters[0])
+    string_to_sign = url_format_list(sorted_parameters)
+    secret = access_key_secret + "&"
+
+    # print(secret)
+    h = hmac.new(secret.encode('utf-8'), string_to_sign.encode('utf-8'), sha1)
+    signature = base64.b64encode(h.digest()).strip()
+    signature = str(signature, encoding="utf8")
+    # signature = bytes(signature, encoding="utf8")
+    return signature
+
+
+def get_signature(url_params, body_params, request_method, content_type, access_key_secret):
+    signature_nonce = str(uuid.uuid1())
+
+    sign_param = {
+        'signature_nonce': signature_nonce
+    }
+
+    if (content_type == application_x_www_form_urlencoded or content_type == application_json) \
+            and (request_method == 'POST' or request_method == 'PATCH' or request_method == 'PUT')\
+            and body_params is not None and len(body_params) != 0:
+        if content_type == application_x_www_form_urlencoded:
+            sign_param[__request_body] = parse.urlencode(body_params)
+        else:
+            sign_param[__request_body] = json.dumps(body_params)
+            # 生成签名使用Python，发送签名使用其他语言时使用separators
+            # sign_param[__request_body] = json.dumps(body_params,separators=(',',':'))
+
+    for key in url_params.keys():
+        sign_param[key] = url_params[key]
+
+    signature = __generate_signature(sign_param, access_key_secret)
+    return signature, signature_nonce
+
+
+