#!/bin/bash
username="example_username"
apiKey="example_apiKey"
date=`env LANG="en_US.UTF-8" date -u "+%a, %d %b %Y %H:%M:%S GMT"`
password=`echo -en "$date" | openssl dgst -sha1 -hmac $apiKey -binary | openssl enc -base64`
curl -i --url "https://open.chinanetcenter.com/cdn/certificates/{certificateID}/csr" \
-X "GET" \
-u "$username:$password" \
-H "Date: $date" \
-H "Accept: application/json"

{
    "certificateId": "7c034044e749c8cdeafe4a64",
    "csr": "-----BEGIN CERTIFICATE REQUEST-----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\nvgQzLTPfTDDxySvd6Q==\n-----END CERTIFICATE REQUEST-----\n"
}

#!/bin/bash
username="example_username"
apiKey="example_apiKey"
date=`env LANG="en_US.UTF-8" date -u "+%a, %d %b %Y %H:%M:%S GMT"`
password=`echo -en "$date" | openssl dgst -sha1 -hmac $apiKey -binary | openssl enc -base64`
curl -i --url "https://open.chinanetcenter.com/cdn/certificates/{certificateID}/csr" \
-X "GET" \
-u "$username:$password" \
-H "Date: $date" \
-H "Accept: application/json"

{
    "code": "InvalidCertId",
    "message": "The specified certificate ID does not exist."
}