docker-start-print

#!/bin/bash -e

export JAVA_OPTS="--add-opens=java.desktop/sun.awt.image=ALL-UNNAMED ${JAVA_OPTS}"

normalize_context_path() {
    local raw="${1:-}"
    if [[ -z "${raw}" || "${raw}" == "/" ]]; then
        echo ""
        return 0
    fi

    if [[ "${raw}" != /* ]]; then
        raw="/${raw}"
    fi

    # Remove trailing slashes (keep the leading slash)
    while [[ "${raw}" != "/" && "${raw}" == */ ]]; do
        raw="${raw%/}"
    done

    # Conservative validation: allow common URL path chars
    if [[ ! "${raw}" =~ ^/[A-Za-z0-9._/-]+$ ]]; then
        echo "ERROR: Invalid CONTEXT_PATH: '${1}'. Expected like '/print' or '/foo/bar'." >&2
        exit 2
    fi

    echo "${raw}"
}

apply_context_path() {
    local context_path="${1}"
    if [[ -z "${context_path}" ]]; then
        return 0
    fi

    echo "Configuring CONTEXT_PATH='${context_path}'"

    local web_xml="WEB-INF/web.xml"
    if [[ ! -w "${web_xml}" ]]; then
        echo "ERROR: CONTEXT_PATH is set but '${web_xml}' is not writable." >&2
        echo "       If you run with a read-only root filesystem, mount a writable volume over" >&2
        echo "       /usr/local/tomcat/webapps/ROOT (or at least WEB-INF and the context-path folder)." >&2
        exit 1
    fi

    # Prefix servlet url-patterns. This makes deployments behind a reverse proxy under a sub path
    # (where the proxy does NOT strip the prefix) work out of the box.
    # Idempotent: only rewrites the original patterns.
    sed -i \
        -e "s|<url-pattern>/metrics</url-pattern>|<url-pattern>${context_path}/metrics</url-pattern>|g" \
        -e "s|<url-pattern>/metrics/\*</url-pattern>|<url-pattern>${context_path}/metrics/*</url-pattern>|g" \
        -e "s|<url-pattern>/print/\*</url-pattern>|<url-pattern>${context_path}/print/*</url-pattern>|g" \
        -e "s|<url-pattern>/sec/print/\*</url-pattern>|<url-pattern>${context_path}/sec/print/*</url-pattern>|g" \
        "${web_xml}"

    # Make the UI reachable under the context path by copying the static files.
    # Example: CONTEXT_PATH=/print -> /usr/local/tomcat/webapps/ROOT/print/index.html
    local ui_dir=".${context_path}"
    mkdir -p "${ui_dir}"
    for f in index.html favicon.ico mapfish_transparent.png; do
        if [[ -f "${f}" ]]; then
            cp -f "${f}" "${ui_dir}/"
        fi
    done

    if [[ -w "${ui_dir}/index.html" ]]; then
        # Ensure exactly one <base> tag, so relative links resolve via the external prefix.
        sed -i '/<base[[:space:]]\+href=/d' "${ui_dir}/index.html"
        sed -i "/<\/head>/i\\    <base href=\"${context_path}/\" />" "${ui_dir}/index.html"
    else
        echo "WARNING: Unable to update '${ui_dir}/index.html' to set <base href>." >&2
    fi
}

cd /usr/local/tomcat/webapps/ROOT

CONTEXT_PATH_NORMALIZED="$(normalize_context_path "${CONTEXT_PATH:-}")"
apply_context_path "${CONTEXT_PATH_NORMALIZED}"

PG_LIB=$(find WEB-INF/lib -name "postgresql-*")

# Checks if Database is present (DB is compulsory in cluster mode)
if java ${CATALINA_OPTS} -cp WEB-INF/classes/:$PG_LIB org.mapfish.print.WaitDB; then
    cp WEB-INF/classes/mapfish-spring-application-context-override-db.xml \
        WEB-INF/classes/mapfish-spring-application-context-override.xml
fi

if [[ -n "${EXTRA_JARS}" ]]; then
    while [[ ! -d "${EXTRA_JARS}" ]]; do
        echo "Waiting for ${EXTRA_JARS} to be present"
        sleep 1
    done
    echo "Adding jar files:"
    cp -v "${EXTRA_JARS}"/*.jar WEB-INF/lib/
fi

mkdir -p print-apps
rm -f /usr/local/tomcat/temp/mapfish-print/ROOT/stop /usr/local/tomcat/temp/mapfish-print/ROOT/stopped
exec catalina.sh run