2014-10-31 11:04:57 -06:00
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package controllers
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2019-12-04 16:39:16 -07:00
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import akka.stream.scaladsl._
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import akka.util.ByteString
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2016-08-13 08:25:09 -06:00
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import scala.concurrent.duration._
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2020-02-26 11:19:19 -07:00
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import play.api.mvc.Result
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2014-10-31 11:04:57 -06:00
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import lila.app._
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import lila.common.HTTPRequest
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2014-10-31 11:04:57 -06:00
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2019-12-04 16:39:16 -07:00
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final class Export(env: Env) extends LilaController(env) {
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2014-10-31 11:04:57 -06:00
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private val ExportRateLimitGlobal = new lila.memo.RateLimit[String](
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credits = 240,
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duration = 1 minute,
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name = "export image global",
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key = "export.image.global"
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)
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2014-10-31 11:04:57 -06:00
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def png(id: String) = Open { implicit ctx =>
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OnlyHumansAndFacebookOrTwitter {
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ExportRateLimitGlobal(
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"-",
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msg = s"${HTTPRequest.lastRemoteAddress(ctx.req).value} ${~HTTPRequest.userAgent(ctx.req)}"
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) {
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lila.mon.export.png.game.increment()
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OptionFuResult(env.game.gameRepo game id) { game =>
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env.game.pngExport fromGame game map
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stream("image/png") map
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gameImageCacheSeconds(game)
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}
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}
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}
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}
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def gif(id: String) = Open { implicit ctx =>
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OnlyHumansAndFacebookOrTwitter {
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ExportRateLimitGlobal("-", msg = HTTPRequest.lastRemoteAddress(ctx.req).value) {
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OptionFuResult(env.game.gameRepo gameWithInitialFen id) {
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case (game, initialFen) =>
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env.game.gifExport.fromGame(game, initialFen) map
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stream("image/gif") map
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gameImageCacheSeconds(game)
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}
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2014-11-18 14:52:29 -07:00
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}
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2014-10-31 11:04:57 -06:00
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}
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}
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2020-02-26 11:19:19 -07:00
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private def gameImageCacheSeconds(game: lila.game.Game)(res: Result): Result = {
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val cacheSeconds =
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if (game.finishedOrAborted) 3600 * 24
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else 10
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res.withHeaders(CACHE_CONTROL -> s"max-age=$cacheSeconds")
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}
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2015-03-17 16:32:45 -06:00
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def puzzlePng(id: Int) = Open { implicit ctx =>
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OnlyHumansAndFacebookOrTwitter {
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ExportRateLimitGlobal("-", msg = HTTPRequest.lastRemoteAddress(ctx.req).value) {
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lila.mon.export.png.puzzle.increment()
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OptionFuResult(env.puzzle.api.puzzle find id) { puzzle =>
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env.game.pngExport(
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fen = chess.format.FEN(puzzle.fenAfterInitialMove | puzzle.fen),
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lastMove = puzzle.initialMove.uci.some,
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check = none,
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orientation = puzzle.color.some,
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logHint = s"puzzle $id"
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) map stream("image/png")
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}
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2015-03-17 16:32:45 -06:00
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}
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}
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}
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2019-01-21 20:16:32 -07:00
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private def stream(contentType: String)(stream: Source[ByteString, _]) =
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Ok.chunked(stream)
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.withHeaders(
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noProxyBufferHeader,
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CACHE_CONTROL -> "max-age=7200"
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) as contentType
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}
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