comparison: src/main/kotlin/de/uapcore/lightpit/filter/StaticFilesFilter.kt
src/main/kotlin/de/uapcore/lightpit/filter/StaticFilesFilter.kt
- changeset 289
- d702bdd4da51
- child 290
- 51b14787d826
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| 288:10324c383126 | 289:d702bdd4da51 |
|---|---|
| 1 import jakarta.servlet.FilterChain | |
| 2 import jakarta.servlet.annotation.WebFilter | |
| 3 import jakarta.servlet.http.HttpFilter | |
| 4 import jakarta.servlet.http.HttpServletRequest | |
| 5 import jakarta.servlet.http.HttpServletResponse | |
| 6 | |
| 7 /* | |
| 8 * Copyright 2023 Mike Becker. All rights reserved. | |
| 9 * | |
| 10 * Redistribution and use in source and binary forms, with or without | |
| 11 * modification, are permitted provided that the following conditions are met: | |
| 12 * | |
| 13 * 1. Redistributions of source code must retain the above copyright | |
| 14 * notice, this list of conditions and the following disclaimer. | |
| 15 * | |
| 16 * 2. Redistributions in binary form must reproduce the above copyright | |
| 17 * notice, this list of conditions and the following disclaimer in the | |
| 18 * documentation and/or other materials provided with the distribution. | |
| 19 * | |
| 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 23 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 @WebFilter(urlPatterns = ["*.ttf", "*.css", "*.js"]) | |
| 33 class StaticFilesFilter : HttpFilter() { | |
| 34 override fun doFilter(req: HttpServletRequest, res: HttpServletResponse, chain: FilterChain) { | |
| 35 // Apply a Cache-Control Header for static files to allow storing them | |
| 36 // in shared cache for almost indefinitely. We will cache-bust them when we need an update. | |
| 37 // RFC-2616 mandates that servers SHOULD NOT specify more than one year, though | |
| 38 res.addHeader("Cache-Control", "public, max-age=31536000, immutable") | |
| 39 super.doFilter(req, res, chain) | |
| 40 } | |
| 41 } |
