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#!/bin/bash
#
# Common functions.
#
# Setup main configuration and load preferences
function keyringer_config_load {
if [ -f "$HOME/.$NAME" ]; then
echo "Converting legacy configuration scheme..."
mv $HOME/.$NAME $HOME/.$NAME.tmp
mkdir $HOME/.$NAME
mv $HOME/.$NAME.tmp $CONFIG
fi
if [ ! -e "$CONFIG" ]; then
echo "Creating $CONFIG..."
mkdir `dirname $CONFIG`
touch $CONFIG
chmod 600 $CONFIG
echo "# Keyringer config file." > $CONFIG
echo "" >> $CONFIG
fi
keyringer_config_load_preferences
}
function keyringer_config_load_preferences {
# Load custom keyring preferences
if [ ! -z "$PREFERENCES" ] && [ -f "$PREFERENCES" ]; then
source $PREFERENCES
fi
}
# Load a parameter from config
function keyringer_config {
if [ -z "$CONFIG" ]; then
echo "Your have to set CONFIG variable in the code"
exit 1
elif [ -e "$CONFIG" ]; then
grep -e "^$1=" $CONFIG | tail -n 1 | cut -d = -f 2 | sed -e 's/"//g' -e "s/'//g" | sed -e 's/ *#.*$//'
else
echo "Config file not found: $CONFIG"
exit 1
fi
}
# Return the list of recipients
function keyringer_recipients {
grep -v '^#' $1 | grep -v '^$' | awk '{ print "-r " $2 }' | xargs
}
# Check if keyringer has a given action
function keyringer_has_action {
if [ -z "$ACTIONS" ]; then
echo "Your have to set ACTIONS variable in the code"
exit 1
fi
if [ -e "$ACTIONS/$1" ]; then
true
else
false
fi
}
# Execute an action
function keyringer_exec {
# Setup
action="$1"
basedir="$2"
shift 2
# Dispatch
if keyringer_has_action $action; then
$ACTIONS/$action $basedir $*
fi
}
# Return a filename with correct extension
function keyringer_filename {
if [ -z "$1" ]; then
return
else
echo `dirname $1`/`basename $1 .asc`.asc
fi
}
# Check if a folder is inside a git repository
function keyringer_is_git {
if [ -z "$1" ]; then
false
elif [ ! -d "$1" ]; then
false
elif [ -d "$1/.git" ]; then
true
else
cwd="`pwd`"
cd $1 && git="`git status &> /dev/null`" && cd $cwd
if [ "$git" != "128" ]; then
true
else
false
fi
fi
}
# Setup a temporary file
function keyringer_set_tmpfile {
if [ -z "$BASEDIR" ]; then
echo "Please set BASEDIR before creating a tmp file"
exit 1
fi
if [ -z "$1" ]; then
template="$BASEDIR/tmp/keyringer.XXXXXXXXXX"
else
template="$BASEDIR/tmp/$1.XXXXXXXXXX"
fi
mkdir -p $BASEDIR/tmp
keyringer_git_ignore 'tmp/*'
tmpfile="`mktemp $template`"
if [ "$?" != "0" ]; then
echo "Error: can't set tmpfile $tmpfile"
exit 1
fi
echo $tmpfile
}
# Remove a temporary file
function keyringer_unset_tmpfile {
if [ -z "$1" ]; then
echo "No tmp file set"
fi
rm -f $1
if [ "$?" != "0" ]; then
echo "Warning: could not delete file $1. Please delete it manually as it might have sensitive information."
exit 1
fi
}
# Add a pattern into gitignore
function keyringer_git_ignore {
if [ ! -z "$BASEDIR/.gitignore" ]; then
echo $1 > $BASEDIR/.gitignore
keyringer_exec git $BASEDIR add .gitignore
else
if ! grep -q -e "^$1$" $BASEDIR/.gitignore; then
echo $1 >> $BASEDIR/.gitignore
fi
fi
}
# Set needed environment variables and do basic checks.
function keyringer_set_env {
if [ -z "$1" ]; then
echo "Error: missing arguments for keyringer_set_env"
exit 1
fi
ACTIONS="`dirname $0`"
BASENAME="`basename $0`"
BASEDIR="$1"
KEYDIR="$BASEDIR/keys"
RECIPIENTS="$BASEDIR/config/recipients"
OPTIONS="$BASEDIR/config/options"
if [ ! -f "$RECIPIENTS" ]; then
echo "No recipient config was found"
exit 1
fi
}
# Get a single argument
function keyringer_get_arg {
if [ -z "$1" ]; then
keyringer_action_usage
exit 1
fi
echo $1
}
# Get a file argument
function keyringer_get_file {
FILE="`keyringer_filename $1`"
if [ -z "$FILE" ]; then
keyringer_action_usage
exit 1
elif [ ! -f "$KEYDIR/$FILE" ]; then
echo "File not found: $KEYDIR/$FILE"
exit 1
fi
}
# Run the action usage
function keyringer_action_usage {
if [ "`type -t "keyringer_usage_$BASENAME"`" == "function" ]; then
# Use custom action usage
keyringer_usage_$BASENAME
else
# Default usage
echo "Usage: keyringer <keyring> $BASENAME <file>"
fi
}
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