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parse_object_kv_list_non_eval()

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myvesta 2025-04-25 13:52:35 +02:00 • committed by myvesta
commit 7388432261
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func/main.sh
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@ -1154,3 +1154,82 @@ check_if_service_exists() {
echo "0" echo "0"
fi fi
} }
# Parsing config variables with key='value' and key="value" pairs and setting them as variables, without using Perl.
# Inspired by HestiaCP function and improved
parse_object_kv_list_non_eval() {
# Let's combine all the parameters into one string, replace the new lines with a space
local str="${*//$'\n'/ }"
str=${str//\\\'/---QUOTE---}
str=${str//\\\"/---DQUOTE---}
local backup_str=$str
local key val match i length length_val prefix position cut
i=0
# Searching for key='value' blocks
# Loop until we find the next key='value'
while [[ $str =~ ([A-Za-z][[:alnum:]_]*)=\'([^\']*)\' ]]; do
key="${BASH_REMATCH[1]}"
val="${BASH_REMATCH[2]}"
match="${BASH_REMATCH[0]}"
length=${#match}
length_val=${#match}
# Key validation: alphanumeric, length 2–66 (key must start and end with a letter/number)
if ! [[ "$key" =~ ^[[:alnum:]][_[:alnum:]]{0,64}[[:alnum:]]$ ]]; then
check_result "$E_INVALID" "Invalid key format [$key]"
fi
# Declaring a global variable
val=${val/---QUOTE---/\\\'}
val=${val/---DQUOTE---/\\\"}
declare -g "$key"="$val"
# Let's remove the processed part from str to continue
prefix=${str%%"$key="*}
position=${#prefix}
cut=$((position + 1 + length_val))
str=${str:cut}
((i++))
if [ $i -eq 100 ]; then
check_result "$E_INVALID" "Potentially conf-parsing infinite loop detected"
fi
done
# Terminate function if we don't expect strings with double apostrophes
if [ -z "$PARSE_DOUBLE_QUOTES_VAR" ]; then
return;
fi
# Searching for key="value" blocks
str=$backup_str
i=0
# Loop until we find the next key="value"
while [[ $str =~ ([A-Za-z][[:alnum:]_]*)=\"([^\"]*)\" ]]; do
key="${BASH_REMATCH[1]}"
val="${BASH_REMATCH[2]}"
match="${BASH_REMATCH[0]}"
length=${#match}
length_val=${#match}
# Key validation: alphanumeric, length 2–66 (key must start and end with a letter/number)
if ! [[ "$key" =~ ^[[:alnum:]][_[:alnum:]]{0,64}[[:alnum:]]$ ]]; then
check_result "$E_INVALID" "Invalid key format [$key]"
fi
# Declaring a global variable
val=${val/---QUOTE---/\\\'}
val=${val/---DQUOTE---/\\\"}
declare -g "$key"="$val"
# Let's remove the processed part from str to continue
prefix=${str%%"$key="*}
position=${#prefix}
cut=$((position + 1 + length_val))
str=${str:cut}
((i++))
if [ $i -eq 100 ]; then
check_result "$E_INVALID" "Potentially conf-parsing infinite loop detected"
fi
done
}