From e4108b605da47804d9b44d6c729046051165bb67 Mon Sep 17 00:00:00 2001
From: Zhineng Li <im@zhineng.li>
Date: Sat, 24 Jan 2026 13:18:57 +0800
Subject: extract `extract_endpoint` function

---
 iptv.sh | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

(limited to 'iptv.sh')

diff --git a/iptv.sh b/iptv.sh
index 832f1fb..ad2dd04 100755
--- a/iptv.sh
+++ b/iptv.sh
@@ -80,6 +80,24 @@ categorize_by_channel_name () {
   echo "$result"
 }
 
+retrieve_endpoint () {
+  local user_id="$1"
+  local url="http://eds1.unicomgd.com:8082/EDS/jsp/AuthenticationURL?Action=Login&UserID=$user_id&return_type=1"
+  local response
+  local epgurl
+  response=$(curl "${CURL_ARGS[@]}" "$url") || return 1
+  epgurl=$(printf '%s' "$response" | jq -r '.epgurl')
+  printf '%s\n' "$(extract_hostname "$epgurl")"
+}
+
+extract_hostname () {
+  local url="$1"
+  local res
+  res="${url#*//}"
+  res="${res%%/*}"
+  printf '%s\n' "$res"
+}
+
 build_authinfo () {
   local encry_token="$1"
   local user_id="$2"
@@ -182,7 +200,6 @@ make_playlist () {
   local ip_address='127.0.0.1'
   local udpxy_endpoint='http://127.0.0.1:4022'
   local output_file='playlist.M3U8'
-  local endpoint='http://eds1.unicomgd.com:8082'
 
   while [ $# -gt 0 ]; do
     case "$1" in
@@ -219,12 +236,8 @@ make_playlist () {
   # Retreive Authentication URL
   step "Authenticate"
 
-  response=$(curl "${CURL_ARGS[@]}" \
-    "$endpoint/EDS/jsp/AuthenticationURL?Action=Login&UserID=$user_id&return_type=1")
-
-  epgurl=$(echo "$response" | jq -r '.epgurl')
-  host="${epgurl#*//}"
-  host="${host%%/*}"
+  local host
+  host=$(retrieve_endpoint "$user_id") || fatal 'Failed to retrieve endpoint'
 
   # Retreive challenge token
   response=$(curl "${CURL_ARGS[@]}" \
-- 
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