246 lines
6.9 KiB
Bash
246 lines
6.9 KiB
Bash
#!/bin/bash
|
||
# ==============================================================================
|
||
# Script: create_pma_gateway.sh
|
||
# Purpose: Create a time-limited gateway URL for phpMyAdmin on Virtuozzo LLSMP.
|
||
# Usage: create_pma_gateway.sh --validity=30 [--slug=myalias]
|
||
# Outputs: Prints the generated URL.
|
||
# ==============================================================================
|
||
set -euo pipefail
|
||
|
||
SLUG=""
|
||
VALIDITY=30 # minutes
|
||
|
||
for arg in "$@"; do
|
||
case $arg in
|
||
--slug=*) SLUG="${arg#*=}" ;;
|
||
--validity=*) VALIDITY="${arg#*=}" ;;
|
||
*) echo "Unknown argument $arg"; exit 1 ;;
|
||
esac
|
||
done
|
||
|
||
if [[ -z "$SLUG" ]]; then
|
||
SLUG=$(openssl rand -hex 4) # 8-char random
|
||
fi
|
||
|
||
# Determine environment public host (no node prefix)
|
||
if [[ -n "${JELASTIC_ENV_DOMAIN:-}" ]]; then
|
||
ENV_HOST="$JELASTIC_ENV_DOMAIN"
|
||
else
|
||
ENV_HOST=$(hostname -f)
|
||
ENV_HOST=${ENV_HOST#node*-} # strip nodeXXXX-
|
||
fi
|
||
|
||
PMADB_DIR="/usr/share/phpMyAdmin"
|
||
GATEWAY_FILE="$PMADB_DIR/access-db-$SLUG.php"
|
||
|
||
SECRET_FILE="/var/lib/jelastic/keys/mbadmin_secret"
|
||
sudo mkdir -p "$(dirname $SECRET_FILE)"
|
||
if [[ ! -f "$SECRET_FILE" ]]; then
|
||
sudo sh -c "openssl rand -hex 32 > $SECRET_FILE"
|
||
fi
|
||
sudo chown litespeed:litespeed "$SECRET_FILE"
|
||
sudo chmod 644 "$SECRET_FILE"
|
||
SECRET=$(sudo cat "$SECRET_FILE" | xargs)
|
||
|
||
now=$(date +%s)
|
||
expires=$((now + VALIDITY*60))
|
||
# token = base64("$SLUG:$expires") . '.' . HMAC_SHA256(secret, data)
|
||
data="$SLUG:$expires"
|
||
base=$(printf "%s" "$data" | base64 | tr -d '\n')
|
||
mac=$(php -r "echo hash_hmac('sha256', '$data', '$SECRET');")
|
||
token="$base.$mac"
|
||
|
||
# Secure the phpMyAdmin vhost with Rewrite Rules to block direct access
|
||
VHOST_CONFIG="/usr/share/phpMyAdmin/vhost.conf"
|
||
NEEDS_RESTART=0
|
||
|
||
# If vhost config is missing or empty, recreate it from a known-good default.
|
||
if [ ! -s "$VHOST_CONFIG" ]; then
|
||
echo "Warning: $VHOST_CONFIG is empty or missing. Recreating from default." >&2
|
||
sudo tee "$VHOST_CONFIG" > /dev/null <<'EOF'
|
||
<?xml version="1.0" encoding="UTF-8"?>
|
||
<virtualHostConfig>
|
||
<docRoot>/usr/share/phpMyAdmin/</docRoot>
|
||
<enableGzip>1</enableGzip>
|
||
<logging>
|
||
<log>
|
||
<useServer>0</useServer>
|
||
<fileName>$SERVER_ROOT/logs/error.log</fileName>
|
||
<logLevel>DEBUG</logLevel>
|
||
<rollingSize>10M</rollingSize>
|
||
</log>
|
||
<accessLog>
|
||
<useServer>0</useServer>
|
||
<fileName>$SERVER_ROOT/logs/access.log</fileName>
|
||
<rollingSize>10M</rollingSize>
|
||
<keepDays>30</keepDays>
|
||
<compressArchive>0</compressArchive>
|
||
</accessLog>
|
||
</logging>
|
||
<index>
|
||
<useServer>0</useServer>
|
||
<indexFiles>index.php, index.html</indexFiles>
|
||
<autoIndex>0</autoIndex>
|
||
<autoIndexURI>/_autoindex/default.php</autoIndexURI>
|
||
</index>
|
||
<customErrorPages>
|
||
<errorPage>
|
||
<errCode>404</errCode>
|
||
<url>/error404.html</url>
|
||
</errorPage>
|
||
</customErrorPages>
|
||
<htAccess>
|
||
<allowOverride>31</allowOverride>
|
||
<accessFileName>.htaccess</accessFileName>
|
||
</htAccess>
|
||
<expires>
|
||
<enableExpires>1</enableExpires>
|
||
</expires>
|
||
<security>
|
||
<wpProtectAction>0</wpProtectAction>
|
||
<hotlinkCtrl>
|
||
<enableHotlinkCtrl>0</enableHotlinkCtrl>
|
||
<suffixes>gif, jpeg, jpg</suffixes>
|
||
<allowDirectAccess>1</allowDirectAccess>
|
||
<onlySelf>1</onlySelf>
|
||
</hotlinkCtrl>
|
||
<accessControl>
|
||
<allow>*</allow>
|
||
</accessControl>
|
||
<wpProtectLimit>10</wpProtectLimit></security>
|
||
<cache>
|
||
<storage>
|
||
<cacheStorePath>/tmp/lscache/vhosts/$VH_NAME</cacheStorePath>
|
||
</storage>
|
||
</cache>
|
||
<rewrite>
|
||
<enable>0</enable>
|
||
<logLevel>0</logLevel>
|
||
<rules>RewriteCond %{HTTP_USER_AGENT} ^NameOfBadRobot
|
||
RewriteRule ^/nospider/ - [F]</rules>
|
||
</rewrite>
|
||
<vhssl>
|
||
<keyFile>/var/www/ssl/litespeed.key</keyFile>
|
||
<certFile>/var/www/ssl/litespeed.crt</certFile>
|
||
<certChain>1</certChain>
|
||
</vhssl>
|
||
<frontPage>
|
||
<enable>0</enable>
|
||
<disableAdmin>0</disableAdmin>
|
||
</frontPage>
|
||
<awstats>
|
||
<updateMode>0</updateMode>
|
||
<workingDir>$VH_ROOT/awstats</workingDir>
|
||
<awstatsURI>/awstats/</awstatsURI>
|
||
<siteDomain>localhost</siteDomain>
|
||
<siteAliases>127.0.0.1 localhost</siteAliases>
|
||
<updateInterval>86400</updateInterval>
|
||
<updateOffset>0</updateOffset>
|
||
</awstats>
|
||
</virtualHostConfig>
|
||
EOF
|
||
NEEDS_RESTART=1
|
||
fi
|
||
|
||
if [ -f "$VHOST_CONFIG" ]; then
|
||
MARKER="# PMA Gateway Security Rules"
|
||
|
||
# If rules are not already in place, add them.
|
||
if ! sudo grep -qF "$MARKER" "$VHOST_CONFIG"; then
|
||
|
||
# Remove any existing rewrite block to ensure a clean state.
|
||
sudo sed -i '/\s*<rewrite>/,/<\/rewrite>/d' "$VHOST_CONFIG"
|
||
|
||
# Define the new rewrite block using a temporary file to avoid escaping issues.
|
||
REWRITE_TMP=$(mktemp)
|
||
cat > "$REWRITE_TMP" <<'EOF'
|
||
<rewrite>
|
||
<enable>1</enable>
|
||
<logLevel>0</logLevel>
|
||
<rules>
|
||
# PMA Gateway Security Rules
|
||
# Allow access to the gateway scripts themselves
|
||
RewriteCond %{REQUEST_URI} ^/access-db-.*\.php$
|
||
RewriteRule .* - [L]
|
||
# For all other requests, block if the security cookie is not present
|
||
RewriteCond %{HTTP_COOKIE} !pma_access_granted
|
||
RewriteRule .* - [F,L]
|
||
</rules>
|
||
</rewrite>
|
||
EOF
|
||
|
||
# Use awk to insert the new block before the </vhssl> tag for robustness
|
||
sudo awk -v r="$(cat $REWRITE_TMP)" '{if (/\s*<vhssl>/) print r} {print}' "$VHOST_CONFIG" | sudo tee "$VHOST_CONFIG" > /dev/null
|
||
|
||
rm -f "$REWRITE_TMP"
|
||
NEEDS_RESTART=1
|
||
fi
|
||
else
|
||
echo "Warning: phpMyAdmin vhost config not found at $VHOST_CONFIG. Cannot apply security rules." >&2
|
||
fi
|
||
|
||
sudo tee "$GATEWAY_FILE" >/dev/null <<'PHP'
|
||
<?php
|
||
// Secure phpMyAdmin gateway – auto-generated, do NOT edit manually.
|
||
|
||
ini_set('session.cookie_httponly', 1);
|
||
$param = 'token';
|
||
|
||
function deny() {
|
||
http_response_code(403);
|
||
echo 'Access denied';
|
||
exit;
|
||
}
|
||
|
||
if (!isset($_GET[$param])) {
|
||
deny();
|
||
}
|
||
|
||
$token = $_GET[$param];
|
||
if (strpos($token, '.') === false) {
|
||
deny();
|
||
}
|
||
|
||
list($base, $sig) = explode('.', $token, 2);
|
||
$data = base64_decode($base, true);
|
||
if ($data === false) {
|
||
deny();
|
||
}
|
||
|
||
if (strpos($data, ':') === false) {
|
||
deny();
|
||
}
|
||
|
||
list($slug, $exp) = explode(':', $data, 2);
|
||
if (time() > intval($exp)) {
|
||
unlink(__FILE__); // Self-destruct if expired
|
||
deny();
|
||
}
|
||
|
||
$secret = trim(file_get_contents('/var/lib/jelastic/keys/mbadmin_secret'));
|
||
if (!hash_equals($sig, hash_hmac('sha256', $data, $secret))) {
|
||
deny();
|
||
}
|
||
|
||
// Issue a short-lived cookie that the rewrite rule looks for.
|
||
// This cookie acts as the temporary pass.
|
||
setcookie('pma_access_granted', $sig, intval($exp), '/', '', true, true);
|
||
header('Location: /');
|
||
exit;
|
||
?>
|
||
PHP
|
||
|
||
sudo chown litespeed:litespeed "$GATEWAY_FILE"
|
||
sudo chmod 644 "$GATEWAY_FILE"
|
||
|
||
# Restart LiteSpeed if we modified the config
|
||
if [[ "${NEEDS_RESTART:-0}" -eq 1 ]]; then
|
||
echo "Applying security rules and restarting LiteSpeed..." >&2
|
||
if ! sudo systemctl restart lsws; then
|
||
echo "Warning: LiteSpeed restart failed. Manual restart may be required." >&2
|
||
fi
|
||
fi
|
||
|
||
URL="https://$ENV_HOST:8443/access-db-$SLUG.php?token=$token"
|
||
echo "$URL"
|