Restructuring
This commit is contained in:
Jon-William Lewis
178
src/sns.src.sh
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178
src/sns.src.sh
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# Simple Note System
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# Copyright (C) 2016, Jon Lewis
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#==============================================================================
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# Stage 1: Read Configuration / Verify Integrity
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#==============================================================================
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if [ -r "$CONFIG_FILE" ]; then
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source "$CONFIG_FILE"
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verify_store
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elif [ "$1" != "-i" ]; then
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>&2 printf "$RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
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"Configuration not found. Please run sns -i."
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exit 5 #ERR_NO_STORE
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fi
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if [ -d "$NOTES_DIR" ]; then cd "$NOTES_DIR"; fi
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if [ "$ENCRYPTION" == "TRUE" ]; then
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# If the user chose not to decrypt notes before, clear that preference.
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if [ -r "$NOTES_DIR"/.do_not_decrypt ]; then
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rm "$NOTES_DIR"/.do_not_decrypt;
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fi
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# Check if GPG is installed.
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if [ ! -r "$(which gpg)" ]; then
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>&2 printf "$RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
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"Encryption was specified, but GPG is not installed."
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exit 100
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# Check if we have a GPG recipient
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elif [ -z "$PUBKEY" ]; then
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>&2 printf "$RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
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"No GPG recipient was provided in $CONFIG_FILE. "
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exit 110
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# All is good. If any previously unencrypted notes exist, encrypt them.
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# No harm in extra security.
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else
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find . -type f -name "*.$EXT" | grep -v "gpg" | while read TMP_NOTE; do
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NOTE="${TMP_NOTE%.$EXT}.gpg.$EXT"
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encrypt
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if [ -r "$NOTE" ]; then
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printf "$YELLOW_COLOR!$RESET_COLOR %s\n" "Encrypted ${NOTE%.$EXT}"
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rm "$TMP_NOTE"
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fi
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done
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fi
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# If encryption isn't enabled, make sure either all notes are decrypted or the user
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# does not wish to decrypt all notes.
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else
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if [ ! -r "$NOTES_DIR"/.do_not_decrypt ]; then
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if [ -n "$(find "$NOTES_DIR" -type f -name "*.gpg.$EXT" > /dev/null)" ]; then
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while true; do
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read -p "Would you like to de-encrypt previously encrypted notes? " YN
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case $YN in
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[Yy]* )
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read -s -p "Please enter your passphrase: " PASSPHRASE
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cd "$NOTES_DIR"
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find . -type f -name "*.gpg.$EXT" | while read -r NOTE; do
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gpg\
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--passphrase "$PASSPHRASE"\
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-o "${NOTE%.gpg.note}.note"\
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--decrypt "$NOTE"
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if [ -r "${NOTE%.gpg.note}.note" ]; then
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printf "$YELLOW_COLOR!$RESET_COLOR %s\n"\
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"De-encrypted ${NOTE%.gpg.$EXT}"
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rm "$NOTE";
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fi
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done
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break;;
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[Nn]* )
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# Remember the user's preference.
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touch "$NOTES_DIR/.do_not_decrypt"
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break;;
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*)
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printf " $RED_COLOR!$RESET_COLOR %s\n" "Please enter Y or N"
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;;
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esac
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done
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fi
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fi
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fi
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#==============================================================================
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# Stage 2: Argument Parsing
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#==============================================================================
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NOTE=""
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if [ -z "$1" ]; then help; exit 20
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else
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INDEX=0
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for ARG in "$@"; do
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let INDEX++
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case "$ARG" in
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-c|--create)
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CREATE="TRUE"
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OP="TRUE"
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;;
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-d|--delete)
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DELETE="TRUE"
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OP="TRUE"
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;;
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-e|--edit)
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EDIT="TRUE"
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OP="TRUE"
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;;
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-ce|-ec)
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CREATE="TRUE"
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EDIT="TRUE"
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OP="TRUE"
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;;
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-l|--list)
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LIST="TRUE"
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OP="TRUE"
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;;
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-p|--print)
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PRINT="TRUE"
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OP="TRUE"
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;;
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-h|--help)
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help
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exit 0
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;;
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-i|--init-store)
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init_store
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exit 0
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;;
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"$VCTL")
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cd "$ROOT_DIR"
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"${@:$INDEX}"
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exit 0
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;;
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*)
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NOTE="$ARG"
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break;
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;;
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esac
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done
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fi
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#==============================================================================
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# Section: Actions / Stage 3
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#==============================================================================
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# Default behavior
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# If no operation was specified, print help and exit on ERR_NO_OP
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if [ "$OP" != "TRUE" ]; then
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help; exit 20
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fi
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# All options not requiring a note to be specified have been dealt
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# with; if one isn't specified, exit on ERR_NO_NOTE.
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if [ -z "$NOTE" ]; then
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printf "$RED_COLOR!$RESET_COLOR %s\n" "No note specified."
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exit 30
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fi
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if [ "$ENCRYPTION" == "TRUE" ]; then
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SESSION_ID="$RANDOM" #SESSION_ID later becomes the temporary filename
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readonly NOTE="$NOTE.gpg.$EXT"
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else
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readonly NOTE="$NOTE.$EXT"
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fi
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if [ "$LIST" == "TRUE" ]; then list ; exit 0; fi
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if [ "$PRINT" == "TRUE" ]; then print ; exit 0; fi
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if [ "$DELETE" == "TRUE" ]; then delete; exit 0; fi
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if [ "$CREATE" == "TRUE" ]; then create; fi
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if [ "$EDIT" == "TRUE" ]; then edit ; fi
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#==============================================================================
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# End Section: Actions / Stage 3
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#==============================================================================
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