dotfiles/pass/extensions/get.bash

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#!/usr/bin/env bash
# pass get - Password Store Extension (https://www.passwordstore.org/)
# Copyright (C) 2020 James Patrick
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
R='\033[0;31m'
G='\033[0;32m'
NC='\033[0m'
PASSWORD_STORE_DIR="${PASSWORD_STORE_DIR:-$HOME/.password-store}"
cmd_get_usage() {
cat <<-_EOF
Usage:
$PROGRAM get pattern pass_name
Parses the pass data for lines pulling out the value of browserpass's
format of "key:value". The 'pattern' arg is a case insenitive, extended
regex using grep -iE.
https://github.com/browserpass/browserpass-extension
Options:
Nada.
_EOF
exit 0
}
cmd_get_assert(){
test="$1"
local pattern="$2" expected="$3"
actual="$(cmd_get "$pattern")"
if [[ "$actual" == "$expected" ]] ; then
echo -e "$G ✔ '$actual' == '$expected' $NC"
else
echo -e "$R ✘ f('$test', '$pattern') → '$actual' != '$expected' $NC"
fi
}
cmd_get_test(){
cmd_get_assert "username:value" "(user|username|login)" "value"
cmd_get_assert " user: whitespace" "(user|username|login)" "whitespace"
val="multiple:lines
value:pairs"
cmd_get_assert "$val" "value" "pairs"
cmd_get_assert "Key:capitalization doesn't counts" "key" \
"capitalization doesn't counts"
cmd_get_assert "missing:empty" "i don't exist" ""
exit 0
}
cmd_get(){
local pattern="$1" pass_name="$2"
# valid the regex is valid
echo | grep -qiE "$pattern"
if [[ "$?" == 2 ]] ; then
>&2 echo -e "${R}Invalid Pattern:${NC} $pattern"
return 1
fi
echo "${test:-$(cmd_show "$pass_name")}" \
| grep -iE "$pattern" \
| head -1 \
| cut -d ':' -f2- \
| sed -e 's/^[ \t]*//'
}
[[ "$1" == "test" ]] && cmd_get_test
[[ "$1" == "help" || "$1" == "--help" || "$1" == "-h" ]] && cmd_get_usage
[[ "$#" != "2" ]] && cmd_get_usage
cmd_get "$@"