added true_random_seed_pw_gen.py

true_random_seed_pw_gen.py

@@ -0,0 +1,63 @@
+import json
+import random
+from jsonrpcclient import Request
+from jsonrpcclient.http_client import HTTPClient
+from contextlib import contextmanager
+import sys, os
+import argparse
+
+#argparse
+parser = argparse.ArgumentParser(prog='True Random Password Generator', description='Uses the random.org basic API with a free subscription to initialize a true random seed for the python random function to create -c passwords of -l length')
+parser.add_argument('-a', '--apikey', default=os.environ['HOME']+'/.bin/.apikey' , type=str, help='path to a file which contains only a random.org api key')
+parser.add_argument('-c', '--count', default='50', type=int, help='the number of passwords to generate')
+parser.add_argument('-l', '--length', default='20', type=int, help='the length the generated passwords should have')
+args = parser.parse_args()
+
+
+#Loading the .apikey file
+try:
+    with open (args.apikey, 'r') as f:
+        apikey=f.readline()
+except:
+    print("Please provide a file that contains only your apikey with the -a option, if no option is provided the script assumes that the apikey file has this path: " + args.apikey)
+    exit(1)
+
+
+#Prevent program segments from blabbering to stdout/stderr
+@contextmanager
+def suppress_std_err_out():
+    with open(os.devnull, "w") as devnull:
+        old_stdout = sys.stdout
+        sys.stdout = devnull
+        old_stderr = sys.stderr
+        sys.stderr = devnull
+        try:
+            yield
+        finally:
+           sys.stdout = old_stdout
+           sys.stderr = old_stderr
+
+#Blabbering program segment
+with suppress_std_err_out():
+    client = HTTPClient("https://api.random.org/json-rpc/2/invoke")
+    response = client.send(Request("generateIntegers", apiKey=apikey,n="1",min='1',max="1000000000"))
+    seed=response["random"]["data"]
+
+#Filling the seed with a (true) random number
+characters="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789#_@!?+"
+char_lst = [x for x in characters]
+random.seed(int(seed[0]))
+#Building password
+for _ in range(0,args.count):
+    pw_string=""
+    for _ in range(0,args.length):
+        pw_string += char_lst[random.randint(0, 67)]
+    print(pw_string)
+
+
+
+
+print("-------------------------------------------")
+bit_uses_left=response["bitsLeft"] // response["bitsUsed"]
+uses_left = bit_uses_left if bit_uses_left <  response["requestsLeft"] else response["requestsLeft"]
+print("This apikey (with free api subscription) has another " + str(uses_left) + " uses left today")