| | 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 $*"; } #o |
| | 7 | validateInput() { |
| | 8 | # Desc: Validates Input |
| | 9 | # Usage: validateInput [str input] [str input type] |
| | 10 | # Version: 0.2.1 |
| | 11 | # Input: arg1: string to validate |
| | 12 | # arg2: string specifying input type (ex:"ssh_pubkey") |
| | 13 | # Output: return code 0: if input string matched specified string type |
| | 14 | # Depends: bash 5, yell |
| | 15 | |
| | 16 | # Save function name |
| | 17 | local FN="${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 "$argInput" ]]; then return 1; fi |
| | 26 | |
| | 27 | # Define input types |
| | 28 | ## ssh_pubkey |
| | 29 | ### Check for alnum/dash base64 (ex: "ssh-rsa AAAAB3NzaC1yc2EAAA") |
| | 30 | if [[ "$argType" = "ssh_pubkey" ]]; then |
| | 31 | if [[ "$argInput" =~ ^[[:alnum:]-]*[\ ]*[[:alnum:]+/=]*$ ]]; then |
| | 32 | return 0; fi; fi; |
| | 33 | |
| | 34 | ## age_pubkey |
| | 35 | ### Check for age1[:bech32:] |
| | 36 | if [[ "$argType" = "age_pubkey" ]]; then |
| | 37 | if [[ "$argInput" =~ ^age1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]*$ ]]; then |
| | 38 | return 0; fi; fi |
| | 39 | |
| | 40 | # Return error if no condition matched. |
| | 41 | return 1; |
| | 42 | } # Validates strings |
| | 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=""; |
| | 48 | testKey4="age1c3s6huz6en6jh40cem0erc0m2un2ry85my0t0ujj4a5cu8gzkysq9l39e4"; |
| | 49 | keyTypeA="ssh_pubkey"; |
| | 50 | keyTypeB="age_pubkey"; |
| | 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 |
| | 55 | #==END sample code== |
| | 56 | |
| | 57 | # Author: Steven Baltakatei Sandoval (bktei.com) |
| | 58 | # License: GPLv3+ |
projects / BK-2020-03.git / blame_incremental