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4cd70356 SBS |
1 | #!/bin/bash |
2 | # Desc: Validates Input | |
3 | ||
4 | yell() { echo "$0: $*" >&2; } #o Yell, Die, Try Three-Fingered Claw technique | |
5 | die() { yell "$*"; exit 111; } #o Ref/Attrib: https://stackoverflow.com/a/25515370 | |
6 | try() { "$@" || die "cannot $*"; } #o | |
7 | validateInput() { | |
8 | # Desc: Validates Input | |
9 | # Usage: validateInput [str input] [str input type] | |
5ac0ccd6 | 10 | # Version: 0.2.1 |
4cd70356 SBS |
11 | # Input: arg1: string to validate |
12 | # arg2: string specifying input type (ex:"ssh_pubkey") | |
13 | # Output: return code 0: if input string matched specified string type | |
14 | # Depends: bash 5, yell | |
15 | ||
16 | # Save function name | |
17 | local FN="${FUNCNAME[0]}"; | |
18 | ||
19 | # Process arguments | |
20 | argInput="$1"; | |
21 | argType="$2"; | |
22 | if [[ $# -gt 2 ]]; then yell "ERROR:$0:$FN:Too many arguments."; exit 1; fi; | |
23 | ||
24 | # Check for blank | |
25 | if [[ -z "$argInput" ]]; then return 1; fi | |
26 | ||
27 | # Define input types | |
28 | ## ssh_pubkey | |
29 | ### Check for alnum/dash base64 (ex: "ssh-rsa AAAAB3NzaC1yc2EAAA") | |
51895d99 SBS |
30 | if [[ "$argType" = "ssh_pubkey" ]]; then |
31 | if [[ "$argInput" =~ ^[[:alnum:]-]*[\ ]*[[:alnum:]+/=]*$ ]]; then | |
32 | return 0; fi; fi; | |
33 | ||
34 | ## age_pubkey | |
35 | ### Check for age1[:bech32:] | |
5ac0ccd6 | 36 | if [[ "$argType" = "age_pubkey" ]]; then |
51895d99 SBS |
37 | if [[ "$argInput" =~ ^age1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]*$ ]]; then |
38 | return 0; fi; fi | |
4cd70356 SBS |
39 | |
40 | # Return error if no condition matched. | |
41 | return 1; | |
6f668757 | 42 | } # Validates strings |
4cd70356 SBS |
43 | |
44 | #==BEGIN sample code== | |
45 | testKey1="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCq8G0XWi8A+MXNu7MEaxDsZJUwtgPC4shGAAarXC4PQTRxLfUHtyWkNbzGh31U/bKI3Snp1O78yOVEZSjdmWkDvkwtWKJQcoZBStgqw9oIPE0oG8uh49XoX77nVabi0JCf8zO63Ai4/9EdwyqE9xsJ+soOYt2V5+UCj0zsv1xpt2YhfYyXrzBv9x6k9lCxy0NW3Ik1mSW+OzSOT3tgDf36ujV/CI2i8ERM9civWy8FtFOReZMV2kkbj7fXI4E1wKM1RFIn7er1MseCSvbvh3o2uCO46/euqHAstYs5cL+4yB2qM/xKfHT5aocDjq7GBLKtree9xdNF0EE9CNr/+J5R"; | |
46 | testKey2="blah-blah onetwothreeREEE"; | |
47 | testKey3=""; | |
51895d99 SBS |
48 | testKey4="age1c3s6huz6en6jh40cem0erc0m2un2ry85my0t0ujj4a5cu8gzkysq9l39e4"; |
49 | keyTypeA="ssh_pubkey"; | |
5ac0ccd6 | 50 | keyTypeB="age_pubkey"; |
51895d99 SBS |
51 | if validateInput "$testKey1" "$keyTypeA"; then echo "$testKey1 looks like a valid $keyTypeA."; else echo "$testKey1 doesn't look like a valid $keyTypeA."; fi |
52 | if validateInput "$testKey2" "$keyTypeA"; then echo "$testKey2 looks like a valid $keyTypeA."; else echo "$testKey2 doesn't look like a valid $keyTypeA."; fi | |
53 | if validateInput "$testKey3" "$keyTypeA"; then echo "$testKey3 looks like a valid $keyTypeA."; else echo "$testKey3 doesn't look like a valid $keyTypeA."; fi | |
54 | if validateInput "$testKey4" "$keyTypeB"; then echo "$testKey4 looks like a valid $keyTypeB."; else echo "$testKey4 doesn't look like a valid $keyTypeB."; fi | |
4cd70356 SBS |
55 | #==END sample code== |
56 | ||
4cd70356 SBS |
57 | # Author: Steven Baltakatei Sandoval (bktei.com) |
58 | # License: GPLv3+ |