54 lines
1.6 KiB
Scala
54 lines
1.6 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 lila.app._
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import lila.common.HTTPRequest
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final class Export(env: Env) extends LilaController(env) {
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private val PngRateLimitGlobal = new lila.memo.RateLimit[String](
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credits = 240,
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duration = 1 minute,
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name = "export PNG global",
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key = "export.png.global"
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)
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def png(id: String) = Open { implicit ctx =>
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OnlyHumansAndFacebookOrTwitter {
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PngRateLimitGlobal("-", msg = s"${HTTPRequest.lastRemoteAddress(ctx.req).value} ${~HTTPRequest.userAgent(ctx.req)}") {
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lila.mon.export.png.game()
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OptionFuResult(env.game.gameRepo game id) { game =>
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env.game.pngExport fromGame game map pngStream
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}
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}
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}
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}
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def puzzlePng(id: Int) = Open { implicit ctx =>
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OnlyHumansAndFacebookOrTwitter {
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PngRateLimitGlobal("-", msg = HTTPRequest.lastRemoteAddress(ctx.req).value) {
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lila.mon.export.png.puzzle()
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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 pngStream
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}
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}
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}
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}
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private def pngStream(stream: Source[ByteString, _]) =
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Ok.chunked(stream).withHeaders(
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noProxyBufferHeader,
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CONTENT_TYPE -> "image/png",
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CACHE_CONTROL -> "max-age=7200"
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)
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}
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