From cf3d63de321ae4a18860c4be8a968eb906ddd2fe Mon Sep 17 00:00:00 2001
From: "Fred T. Hamster" <fred@gruntose.com>
Date: Thu, 2 Nov 2023 15:07:08 -0400
Subject: [PATCH] added python as possible script type for aliases

in course of adding new script for splitting up awful one line certs
---
 scripts/core/generate_aliases.pl         | 19 ++++++-
 scripts/security/one_line_cert_to_pem.py | 72 ++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 3 deletions(-)
 create mode 100755 scripts/security/one_line_cert_to_pem.py

diff --git a/scripts/core/generate_aliases.pl b/scripts/core/generate_aliases.pl
index faf9e827..b590ca3d 100644
--- a/scripts/core/generate_aliases.pl
+++ b/scripts/core/generate_aliases.pl
@@ -30,12 +30,15 @@ use Env qw(FEISTY_MEOW_BINARIES BUILD_TOP FEISTY_MEOW_APEX FEISTY_MEOW_LOADING_D
 # directory where that file resides.
 sub make_alias {
   local($file, $dir) = @_;
-  if ($file =~ /\.[pP][lL]$/) { 
-    local($aliasname) = $file; $aliasname =~ s/\.[Pp][lL]$//;
-    &make_perl_alias($aliasname, "$dir");
+  if ($file =~ /\.[pP][yY]$/) { 
+    local($aliasname) = $file; $aliasname =~ s/\.[Pp][yY]$//;
+    &make_python_alias($aliasname, "$dir");
   } elsif ($file =~ /\.[sS][hH]$/) { 
     local($aliasname) = $file; $aliasname =~ s/\.[Ss][Hh]$//;
     &make_bash_alias($aliasname, "$dir");
+  } elsif ($file =~ /\.[pP][lL]$/) { 
+    local($aliasname) = $file; $aliasname =~ s/\.[Pp][lL]$//;
+    &make_perl_alias($aliasname, "$dir");
   }
 }
 
@@ -49,6 +52,16 @@ sub make_bash_alias {
   print she "define_yeti_alias $aliasname=\"bash $full_alias.sh\"\n";
 }
 
+# makes an alias for a python script given the alias name.
+#hmmm: don't love that we're hardcoding python3 in here, but apparently some systems don't have a 'python' command despite having python installed.
+sub make_python_alias {
+  local($aliasname) = shift(@_);
+  local($full_alias) = $aliasname;
+  $aliasname =~ s/^.*\/([^\/]*)/\1/;
+#print "alias became $aliasname\n";
+  print she "define_yeti_alias $aliasname=\"python3 $full_alias.py\"\n";
+}
+
 # makes an alias for a perl script given the alias name.
 sub make_perl_alias {
   local($aliasname) = shift(@_);
diff --git a/scripts/security/one_line_cert_to_pem.py b/scripts/security/one_line_cert_to_pem.py
new file mode 100755
index 00000000..22d4e97f
--- /dev/null
+++ b/scripts/security/one_line_cert_to_pem.py
@@ -0,0 +1,72 @@
+#! /usr/bin/env python3
+"""
+
+Takes a certificate from the awful, often used form of a single line of text and turns
+it into a real PEM file.
+This assumes the input file has one single line of text that needs to be formatted
+appropriately.
+
+author: chris koeritz
+
+"""
+
+import os
+import sys
+
+####
+
+def split_lines(unsplit_line: str) -> None:
+    """
+    Takes text as input and breaks it up at the prescribed 64 character boundaries
+    used by PEM files.
+    """
+
+    size = 64
+    splits = [(unsplit_line[i : i + size]) for i in range(0, len(unsplit_line), size)]
+
+    #print("splits:", splits)
+    for split_line in splits:
+        if len(split_line) > 0:
+            print(split_line)
+
+####
+
+def main() -> None:
+    """Main function"""
+
+    # make sure they gave us a filename.
+    args = len(sys.argv)
+    if args < 2:
+        print("\
+This script needs a filename to operate on.  The file is expected to contain\n\
+one line of certificate data, which this script will reformat into a standard\n\
+PEM file format.  The PEM file will be output on the console.")
+        exit(1)
+ 
+    filename = sys.argv[1]
+
+    # make sure the filename is valid.
+    if not os.path.isfile(filename):
+        print("The filename provided does not seem to be a readable file:", filename)
+        exit(1)
+
+    file = open(filename, "r")
+
+    cert_line = file.readline()
+    cert_line = cert_line.strip('\r\n')
+
+    #ugh, no extra noise needed.
+    #print()
+    #print("below is the properly formatted output sourced from:", filename)
+    #print()
+
+    print("-----BEGIN CERTIFICATE-----")
+    split_lines(cert_line)
+    print("-----END CERTIFICATE-----")
+ 
+####
+
+if __name__ == "__main__":
+    main()
+
+
-- 
2.34.1