main.sh - postreich - Unnamed repository; edit this file 'description' to name the repository.
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main.sh (1602B)
---
1 #!/bin/sh
2
3 # extract dependencies
4
5 # handle must be less than 16 bytes
6
7 # set password to ENV variable so it's hidden in the code. Check if it's empty
8 # before generating the key.
9
10 create_mailbox_url="gopher://localhost/7/postoffice/mailbox/create"
11 get_mailbox_url="gopher://localhost/0/postoffice/mailbox/get"
12
13 cupid_encryption() {
14 # printf "%s" $1 | \
15 return 0
16 }
17
18 user_encryption() {
19 return 0
20 }
21
22 create_key_pair() {
23 # check if key exists already?
24 private_key_name="br_cupid.pem"
25 public_key_name=$( printf "%s" "$private_key_name" |\
26 sed 's/pem$/pub/' )
27 # Generate a 2048 bit key
28 # TODO: am i using safe primes?
29 openssl genpkey -algorithm RSA -out $private_key_name -pkeyopt -quiet
30 openssl pkey -in "$private_key_name" -pubout -out "$public_key_name"
31 if [ ! -r "$private_key_name" -o ! -r "$public_key_name" ]; then
32 printf "Did not generate private and public keys. Exiting.\n"
33 fi
34 return 0
35 }
36
37 create_mailbox() {
38 pub_key_contents=$( cat "br_cupid.pub" | base64 | tr -d "\n" )
39 if [ $( printf "%s" "$pub_key_contents" | wc -c ) -gt 1024 ]; then
40 printf "Public key is larger than 1024 bits. Server might not get it all, \
41 (geomyidae limit is 1024, rfc gopher limit is less) but trying anyways..."
42 fi
43 handle="roygbyte"
44 curl "$create_mailbox_url/$handle?$pub_key_contents"
45 }
46
47 open_mailbox() {
48 result=$( curl "$get_mailbox_url/$1" -s \
49 | awk -F ',' '{ system("printf '%s' " $2 "| base64 -d | openssl pkeyutl -decrypt -inkey br_cupid.pem"); print "" }' )
50 echo "$result"
51 }
52
53 create_mailbox
54 #open_mailbox "$1"
55