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validate blocklist URL before adding to the database (#3237)

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Signed-off-by: Adam Warner <me@adamwarner.co.uk>

Co-authored-by: DL6ER <dl6er@dl6er.de>
This commit is contained in:
Adam Warner 2020-03-31 21:48:10 +01:00 committed by GitHub
parent 0fad979206
commit 7d19ee1b25
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 10 deletions
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16
advanced/Scripts/webpage.sh
View file

@ -401,12 +401,24 @@ SetWebUILayout() {
change_setting "WEBUIBOXEDLAYOUT" "${args[2]}"
}
CheckUrl(){
local regex
# Check for characters NOT allowed in URLs
regex="[^a-zA-Z0-9:/?&%=~._-]"
if [[ "${1}" =~ ${regex} ]]; then
return 1
else
return 0
fi
}
CustomizeAdLists() {
local address
address="${args[3]}"
local comment
comment="${args[4]}"
if CheckUrl "${address}"; then
if [[ "${args[2]}" == "enable" ]]; then
sqlite3 "${gravityDBfile}" "UPDATE adlist SET enabled = 1 WHERE address = '${address}'"
elif [[ "${args[2]}" == "disable" ]]; then
@ -419,6 +431,10 @@ CustomizeAdLists() {
echo "Not permitted"
return 1
fi
else
echo "Invalid Url"
return 1
fi
}
SetPrivacyMode() {

7
gravity.sh
View file

@ -374,7 +374,14 @@ gravity_DownloadBlocklists() {
esac
echo -e " ${INFO} Target: ${url}"
local regex
# Check for characters NOT allowed in URLs
regex="[^a-zA-Z0-9:/?&%=~._-]"
if [[ "${url}" =~ ${regex} ]]; then
echo -e " ${CROSS} Invalid Target"
else
gravity_DownloadBlocklistFromUrl "${url}" "${cmd_ext}" "${agent}" "${sourceIDs[$i]}" "${saveLocation}" "${target}"
fi
echo ""
done