Certificate checker

A simple way to check certificate's infomation.

Download

git clone git@github.com:yrccondor/Certificate-checker.git
cd Certificate-checker

Dependence

curl
Python3

Usage

Edit config.json to configure which website you want to scan.

Like:

{
    "config_list": ["example.com","test.example.com"],
    "timeout": 10
}

Then use it with curl:

python3 check.py

If everything works, you will see:

-----------------------------
Certificate infomation about example.com:

Check time: 2018-01-16 14:52:31
Start: 2015-11-03 00:00:00
End: 2018-11-28 12:00:00
Common Name: www.example.org
Issuer Info: CN=DigiCert SHA2 High Assurance Server CA,OU=www.digicert.com,O=DigiCert Inc,C=US
-----------------------------

Config

config.json:

website_list: The list of websites. Only need host[:port] (Without protocol). Default port: 443.
[timeout]: The duration while connecting. Default: 10(s).
[sleep]: How long should we wait between scannings. Default: 2(s).
[output]: How we print results. You can choose "print" or "print_details". Default: "print". If you choose "print_details", you will see:

[13:29:43] Read config.json successfully.
[13:29:43] Read website_list successfully. 3 web site(s) will be scaned.
[13:29:43] Read timeout successfully. Value: 10s
[13:29:43] Read output successfully. Value: 1s
[13:29:43] Scanning example.com(1 in 3).
[13:29:45] Read reponse successfully.
[13:29:45] Read certificate infomation successfully.
[13:29:45] Environment cleaned.
-----------------------------
Certificate infomation about example.com:

Check time: 2018-01-16 13:29:45
Start: 2015-11-03 00:00:00
End: 2018-11-28 12:00:00
Common Name: www.example.org
Issuer Info: CN=DigiCert SHA2 High Assurance Server CA,OU=www.digicert.com,O=DigiCert Inc,C=US
-----------------------------

Here is an example of config.json:

{
    "website_list": ["example.com","test.example.com"],
    "timeout": 15,
    "sleep": 1,
    "output": "print_details"
}