84 lines
2.6 KiB
Scala
84 lines
2.6 KiB
Scala
package controllers
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import akka.stream.scaladsl._
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import akka.util.ByteString
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import scala.concurrent.duration._
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import play.api.mvc.Result
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import chess.Color
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import lila.app._
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import lila.common.HTTPRequest
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import lila.game.Pov
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final class Export(env: Env) extends LilaController(env) {
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private val ExportImageRateLimitGlobal = new lila.memo.RateLimit[String](
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credits = 600,
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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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private val ExportGifRateLimitGlobal = new lila.memo.RateLimit[String](
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credits = 240,
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duration = 1 minute,
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name = "export gif global",
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key = "export.gif.global"
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)
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def gif(id: String, color: 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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val pov = Pov(game, Color(color) | Color.white)
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env.game.gifExport.fromPov(pov, initialFen) map
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stream("image/gif") 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 legacyGameThumbnail(id: String) = Action {
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MovedPermanently(routes.Export.gameThumbnail(id).url)
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}
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def gameThumbnail(id: String) = Open { implicit ctx =>
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ExportRateLimitGlobal("-", msg = HTTPRequest.lastRemoteAddress(ctx.req).value) {
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OptionFuResult(env.game.gameRepo game id) { game =>
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env.game.gifExport.gameThumbnail(game) map
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stream("image/gif") map
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gameImageCacheSeconds(game)
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}
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}
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}
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def legacyPuzzleThumbnail(id: Int) = Action {
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MovedPermanently(routes.Export.puzzleThumbnail(id).url)
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}
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def puzzleThumbnail(id: Int) = Open { implicit ctx =>
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ExportRateLimitGlobal("-", msg = HTTPRequest.lastRemoteAddress(ctx.req).value) {
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OptionFuResult(env.puzzle.api.puzzle find id) { puzzle =>
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env.game.gifExport.thumbnail(
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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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orientation = puzzle.color
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) map stream("image/gif") map { res =>
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res.withHeaders(CACHE_CONTROL -> "max-age=86400")
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}
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}
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}
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}
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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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private def stream(contentType: String)(stream: Source[ByteString, _]) =
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Ok.chunked(stream).withHeaders(noProxyBufferHeader) as contentType
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}
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