unitproc/bktemp-validateInput

   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 $*"; } #o
   7 validateInput() {
   8     # Desc: Validates Input
   9     # Usage: validateInput [str input] [str input type]
  10     # Version: 0.3.0
  11     # Input: arg1: string to validate
  12     #        arg2: string specifying input type (ex:"ssh_pubkey")
  13     # Output: return code 0: if input string matched specified string type
  14     # Depends: bash 5, yell
  15
  16     # Save function name
  17     local FN="${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     ## integer
  41     if [[ "$argType" = "integer" ]]; then
  42         if [[ "$argInput" =~ ^[[:digit:]]*$ ]]; then
  43             return 0; fi; fi;
  44
  45     ## time element (year, month, week, day, hour, minute, second)
  46     if [[ "$argType" = "time_element" ]]; then
  47         if [[ "$argInput" = "year" ]] || \
  48                [[ "$argInput" = "month" ]] || \
  49                [[ "$argInput" = "week" ]] || \
  50                [[ "$argInput" = "day" ]] || \
  51                [[ "$argInput" = "hour" ]] || \
  52                [[ "$argInput" = "minute" ]] || \
  53                [[ "$argInput" = "second" ]]; then
  54             return 0; fi; fi;
  55
  56     # Return error if no condition matched.
  57     return 1;
  58 } # Validates strings
  59
  60 #==BEGIN sample code==
  61 testKey="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCq8G0XWi8A+MXNu7MEaxDsZJUwtgPC4shGAAarXC4PQTRxLfUHtyWkNbzGh31U/bKI3Snp1O78yOVEZSjdmWkDvkwtWKJQcoZBStgqw9oIPE0oG8uh49XoX77nVabi0JCf8zO63Ai4/9EdwyqE9xsJ+soOYt2V5+UCj0zsv1xpt2YhfYyXrzBv9x6k9lCxy0NW3Ik1mSW+OzSOT3tgDf36ujV/CI2i8ERM9civWy8FtFOReZMV2kkbj7fXI4E1wKM1RFIn7er1MseCSvbvh3o2uCO46/euqHAstYs5cL+4yB2qM/xKfHT5aocDjq7GBLKtree9xdNF0EE9CNr/+J5R";
  62 keyType="ssh_pubkey";
  63 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  64 echo "";
  65
  66 testKey="blah-blah onetwothreeREEE";
  67 keyType="ssh_pubkey";
  68 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  69 echo "";
  70
  71 testKey3="";
  72 keyType="ssh_pubkey";
  73 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  74 echo "";
  75
  76 testKey="age1c3s6huz6en6jh40cem0erc0m2un2ry85my0t0ujj4a5cu8gzkysq9l39e4";
  77 keyType="age_pubkey";
  78 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  79 echo "";
  80
  81 testKey="123"
  82 keyType="integer";
  83 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  84 echo "";
  85
  86 testKey="123abc"
  87 keyType="integer";
  88 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  89 echo "";
  90
  91 testKey="year"
  92 keyType="time_element";
  93 if validateInput "$testKey" "$keyType"; then echo "Looks like a valid $keyType:\"$testKey\""; else echo "doesn't look like a valid $keyType:\"$testKey\""; fi
  94 echo "";
  95
  96 #==END sample code==
  97
  98 # Author: Steven Baltakatei Sandoval (bktei.com)
  99 # License: GPLv3+