1 function util.get_access_token()

2

3 local access_token_header = request.get_header("Authorization")

4 if access_token_header then

5 access_token_header = string.match(access_token_header, "^Bearer ([^ ,]*)$")

6 end

7

8 local access_token_param = param.get("access_token")

9

10 if access_token_header and access_token_param then

11 return nil, "header_and_param"

12 end

13

14 return(access_token_header or access_token_param)

15

16 end