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Fix validation of adlist url

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Already existing regex validation will be used on url after removing @ (in case
its in separating userinfo and host).

Signed-off-by: Matej Dujava <mdujava@kocurkovo.cz>
Fixes: https://github.com/pi-hole/pi-hole/issues/3911
Fixes: 7d19ee1b: validate blocklist URL before adding to the database (#3237)
This commit is contained in:
Matej Dujava 2020-12-07 00:23:04 +01:00 • committed by Matej Dujava
parent 6deac6dfce
commit ef0bdf6470
2 changed files with 15 additions and 5 deletions
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11
advanced/Scripts/webpage.sh
View file

@ -486,10 +486,15 @@ SetWebUITheme() {
}
CheckUrl(){
local regex
local regex check_url
# Check for characters NOT allowed in URLs
regex="[^a-zA-Z0-9:/?&%=~._-]"
if [[ "${1}" =~ ${regex} ]]; then
regex="[^a-zA-Z0-9:/?&%=~._()-;]"
# this will remove first @ that is after schema and before domain
# \1 is optional schema, \2 is userinfo
check_url="$( sed -re 's#([^:/]*://)?([^/]+)@#\1\2#' <<< "$1" )"
if [[ "${check_url}" =~ ${regex} ]]; then
return 1
else
return 0