Add argparse and Remove pprint

README.md

@@ -13,14 +13,32 @@ You only need to installl pyOpenSSL:
 
 ## Usage
 
-`python ssl_checker.py host1[:port] [host2:port] [host3:port]...`
+```bash
+./ssl_checker.py -h
+usage: ssl_checker.py -H [HOSTS [HOSTS ...]] [-j] [-h]
+
+optional arguments:
+  -H [HOSTS [HOSTS ...]], --host [HOSTS [HOSTS ...]]
+                        Hosts as input separated by space
+  -j, --json            Enable JSON in the output
+  -h, --help            Show this help message and exit
+```
+
+
 
 Port is optional here. The script will use 443 if not specified.
 
+`-j, --json`	Use this if you want to only have the result in JSON
+
+`-H, --host`	Enter the hosts separated by space
+
+`-h, --help` Shows the help and exit
+
+
 ## Example
 
 ```bash
-narbeh@narbeh-xps:~/ssl-checker$ python ssl_checker.py test.com narbeh.org:443 archive.org facebook.com:443 twitter.com github.com google.com
+narbeh@narbeh-xps:~/ssl-checker$ ./ssl_checker.py -H test.com narbeh.org:443 archive.org facebook.com:443 twitter.com github.com google.com
 Analyzing 7 hosts:
 
 	[+] test.com             Expired: False
@@ -32,4 +50,12 @@ Analyzing 7 hosts:
 	[+] google.com           Expired: False
 
 5 successful and 2 failed
+```
+
+
+Example only with the `-j` argument which show the JSON only. Perfect for piping to another tool.
+
+```bash
+narbeh@narbeh-xps:~/ssl-checker$ ./ssl_checker.py -j -H test.com narbeh.org:443 
+{'test.com': {'valid_till': '2020-01-24', 'valid_from': '2017-01-15', 'cert_alg': u'sha256WithRSAEncryption', 'cert_ver': 2, 'cert_sn': 73932709062103623902948514363737041075L, 'cert_exp': False, 'issuer_c': u'US', 'issuer_cn': u'Network Solutions DV Server CA 2', 'issuer_o': u'Network Solutions L.L.C.', 'validity_days': 1104, 'issuer_ou': None}, 'narbeh.org': {'valid_till': '2018-05-18', 'valid_from': '2018-02-17', 'cert_alg': u'sha256WithRSAEncryption', 'cert_ver': 2, 'cert_sn': 319510066429286596971677345373584681421772L, 'cert_exp': False, 'issuer_c': u'US', 'issuer_cn': u"Let's Encrypt Authority X3", 'issuer_o': u"Let's Encrypt", 'validity_days': 90, 'issuer_ou': None}}
 ```