mirror of
https://github.com/netbymatt/ws4kp.git
synced 2026-04-14 15:49:31 -07:00
79 lines
1.8 KiB
Bash
Executable File
79 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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ROOT="/usr/share/nginx/html"
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QS=""
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# URL encode a string
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url_encode() {
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local string="$1"
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printf '%s' "$string" | sed 's/ /%20/g; s/"/%22/g; s/</%3C/g; s/>/%3E/g; s/&/%26/g; s/#/%23/g; s/+/%2B/g'
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}
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# build query string from WSQS_ env vars
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while IFS='=' read -r key val; do
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# Skip empty lines
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[ -z "$key" ] && continue
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# Remove WSQS_ prefix and convert underscores to hyphens
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key="${key#WSQS_}"
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key="${key//_/-}"
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# URL encode the value
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encoded_val=$(url_encode "$val")
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if [ -n "$QS" ]; then
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QS="$QS&${key}=${encoded_val}"
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else
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QS="${key}=${encoded_val}"
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fi
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done << EOF
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$(env | grep '^WSQS_' || true)
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EOF
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mkdir -p /etc/nginx/includes
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if [ -n "$QS" ]; then
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# Escape the query string for use in JavaScript (escape backslashes and single quotes)
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QS_ESCAPED=$(printf '%s' "$QS" | sed "s/\\\\/\\\\\\\\/g; s/'/\\\'/g")
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# Generate redirect.html with JavaScript logic
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cat > "$ROOT/redirect.html" <<EOF
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>Redirecting</title>
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<meta http-equiv="refresh" content="0;url=/index.html?$QS" />
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<script>
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(function() {
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var wsqsParams = '$QS_ESCAPED';
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var currentParams = window.location.search.substring(1);
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var targetParams = currentParams || wsqsParams;
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window.location.replace('/index.html?' + targetParams);
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})();
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</script>
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</head>
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<body></body>
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</html>
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EOF
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# Generate nginx config for conditional redirects
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cat > /etc/nginx/includes/wsqs_redirect.conf <<'EOF'
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location = / {
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if ($args = '') {
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rewrite ^ /redirect.html last;
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}
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rewrite ^/$ /index.html?$args? redirect;
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}
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location = /index.html {
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if ($args = '') {
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rewrite ^ /redirect.html last;
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}
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}
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EOF
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else
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touch /etc/nginx/includes/wsqs_redirect.conf
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fi
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exec nginx -g 'daemon off;'
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