108 lines
3.3 KiB
Bash
108 lines
3.3 KiB
Bash
#!/bin/bash
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# file: modules/jsshDB.sh
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# do not edit, this file will be overwritten on update
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# This file is public domain in the USA and all free countries.
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# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
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#
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#### $$VERSION$$ v0.94-pre-2-gc0a633f
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#
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# source from commands.sh to use jsonDB functions
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#
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# jsonDB provides simple functions to read and store bash Arrays
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# from to file in JSON.sh output format, its a simple key/value storage.
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# source once magic, function named like file
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eval "$(basename "${BASH_SOURCE[0]}")(){ :; }"
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# read content of a file in JSON.sh format into given ARRAY
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# $1 ARRAY name, must be delared with "declare -A ARRAY" upfront
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# $2 filename, must be relative to BASHBOT_ETC, and not contain '..'
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jssh_readDB() {
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local DB; DB="$(jssh_checkDB "$2")"
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[ -z "${DB}" ] && return 1
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[ ! -f "${DB}" ] && return 2
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Json2Array "$1" <"${DB}"
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}
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# write ARRAY content to a file in JSON.sh format
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# Warning: old content is overwritten
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# $1 ARRAY name, must be delared with "declare -A ARRAY" upfront
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# $2 filename (must exist!), must be relative to BASHBOT_ETC, and not contain '..'
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jssh_writeDB() {
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local DB; DB="$(jssh_checkDB "$2")"
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[ -z "${DB}" ] && return 1
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[ ! -f "${DB}" ] && return 2
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Array2Json "$1" >"${DB}"
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}
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# update/write ARRAY content in file without deleting keys not in ARRAY
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# $1 ARRAY name, must be delared with "declare -A ARRAY" upfront
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# $2 filename (must exist!), must be relative to BASHBOT_ETC, and not contain '..'
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jssh_updateDB() {
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declare -n ARRAY="$1"
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[ -z "${ARRAY[*]}" ] && return 1
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declare -A oldARR newARR
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jssh_readDB "oldARR" "$2" || return "$?"
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if [ -z "${oldARR[*]}" ]; then
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# no old content
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jssh_writeDB "$1" "$2"
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else
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# merge arrays
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local o1 o2 n1 n2
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o1="$(declare -p oldARR)"; o2="${o1#*\(}"
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n1="$(declare -p ARRAY)"; n2="${n1#*\(}"
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unset IFS; set -f
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#shellcheck disable=SC2034,SC2190,SC2206
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newARR=( ${o2:0:${#o2}-1} ${n2:0:${#n2}-1} )
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set +f
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jssh_writeDB "newARR" "$2"
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fi
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}
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# insert, update, apped key/value to jsshDB
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# $1 key name, can onyl contain -a-zA-Z0-9,._
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# $2 key value
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# $3 filename (must exist!), must be relative to BASHBOT_ETC, and not contain '..'
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jssh_insertDB() {
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[[ "$1" =~ ^[-a-zA-Z0-9,._]+$ ]] || return 3
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local key="$1" value="$2"
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local DB; DB="$(jssh_checkDB "$3")"
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[ -z "${DB}" ] && return 1
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[ ! -f "${DB}" ] && return 2
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# its append, but last one counts, its a simple DB ...
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printf '["%s"]\t"%s"\n' "${key//,/\",\"}" "${value//\"/\\\"}" >>"${DB}"
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}
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# get key/value from jsshDB
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# $1 key name, can onyl contain -a-zA-Z0-9,._
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# $2 key value
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# $3 filename (must exist!), must be relative to BASHBOT_ETC, and not contain '..'
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# returns value
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jssh_getDB() {
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[[ "$1" =~ ^[-a-zA-Z0-9,._]+$ ]] || return 3
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declare -A getARR
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jssh_readDB "getARR" "$3" || return "$?"
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printf '%s\n' "${getARR[${key}]}"
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}
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# $1 filename (must exist!), must be relative to BASHBOT_ETC, and not contain '..'
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jssh_newDB() {
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local DB; DB="$(jssh_checkDB "$1")"
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[ -z "${DB}" ] && return 1
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[ -f "${DB}" ] && return 2 # already exist, do not zero out
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printf '\n' >"${DB}"
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}
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# $1 filename, check filename, it must be relative to BASHBOT_ETC, and not contain '..'
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# returns real path to DB file if everything is ok
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jssh_checkDB(){
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[ -z "$1" ] && return 1
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local DB="${BASHBOT_ETC:-.}/$1.jssh"
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[[ "$1" = "${BASHBOT_ETC:-.}"* ]] && DB="$1.jssh"
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[[ "$1" = *'..'* ]] && return 2
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printf '%s\n' "${DB}"
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}
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