From e74de52544592a1475a36c003230913a0a58922c Mon Sep 17 00:00:00 2001
From: Nikolay Pronchev <nikolaypronchev@gmail.com>
Date: Thu, 22 Aug 2024 13:32:39 +0300
Subject: [PATCH] Fix sed special characters handling

---
 timeweb-dns-api.sh | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/timeweb-dns-api.sh b/timeweb-dns-api.sh
index 0d337a1..2edca18 100644
--- a/timeweb-dns-api.sh
+++ b/timeweb-dns-api.sh
@@ -131,7 +131,7 @@ _timeweb_split_acme_fqdn() {
     while
       TW_Domain=$(
         echo "$TW_Domains" |
-          sed -n 's/.*{\([^{]*"fqdn":"[^"]*"[^}]*\)}.*/\1/p'
+          sed -n 's/.*{[^{]*"fqdn":"\([^"]*\)"[^}]*}.*/\1/p'
       )
 
       [ -n "$TW_Domain" ] && {
@@ -139,7 +139,7 @@ _timeweb_split_acme_fqdn() {
 
         TW_Domains=$(
           echo "$TW_Domains" |
-            sed "s/{$TW_Domain}//"
+            sed 's/{\([^{]*"fqdn":"'"$TW_Domain"'"[^}]*\)}//'
         )
         continue
       }
@@ -168,7 +168,7 @@ _timeweb_get_dns_txt() {
     while
       Dns_Record=$(
         echo "$TW_Dns_Records" |
-          sed -n "s/.*{\([^\{]*{[^\{]*${Acme_Txt}[^\}]*}[^\}]*\)}.*/\1/p"
+          sed -n 's/.*{\([^{]*{[^{]*'"$Acme_Txt"'[^}]*}[^}]*\)}.*/\1/p'
       )
 
       [ -n "$Dns_Record" ] && {
@@ -176,7 +176,7 @@ _timeweb_get_dns_txt() {
 
         TW_Dns_Records=$(
           echo "$TW_Dns_Records" |
-            sed "s/{$Dns_Record}//"
+            sed 's/{\([^{]*{[^{]*'"$Acme_Txt"'[^}]*}[^}]*\)}//'
         )
         continue
       }
@@ -280,25 +280,20 @@ _timeweb_list_dns_records() {
 _timeweb_is_main_domain() {
   _debug "Checking if \"$1\" is the main domain of the ACME DNS-01 challenge FQDN."
 
-  TW_Domain_Fqdn=$(
-    echo "$1" |
-      sed 's/.*"fqdn":"\([^"]*\)".*/\1/'
-  )
-
-  [ -z "$TW_Domain_Fqdn" ] && {
+  [ -z "$1" ] && {
     _debug "Failed to extract FQDN. Skipping domain."
     return 1
   }
 
-  ! echo ".$Acme_Fqdn" | grep -qi "\.$TW_Domain_Fqdn$" && {
+  ! echo ".$Acme_Fqdn" | grep -qi "\.$1$" && {
     _debug "Domain does not match the ACME DNS-01 challenge FQDN. Skipping domain."
     return 1
   }
 
-  TW_Main_Domain=$TW_Domain_Fqdn
+  TW_Main_Domain=$1
   TW_Subdomains=$(
     echo "$Acme_Fqdn" |
-      sed "s/\.*.\{${#TW_Domain_Fqdn}\}$//"
+      sed "s/\.*.\{${#1}\}$//"
   )
 
   _debug "Matched domain. ACME DNS-01 challenge FQDN  split as [$TW_Subdomains].[$TW_Main_Domain]."
@@ -407,4 +402,4 @@ _timeweb_dns_txt_remove() {
   }
 
   _debug "DNS TXT record with ID \"$TW_Dns_Txt_Id\" has been removed."
-}
\ No newline at end of file
+}