Util.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.scene7.is.provider.CacheSpec
* com.scene7.is.provider.FmtSpec
* com.scene7.is.provider.RequestContext
* com.scene7.is.provider.RequestTypeEnum
* com.scene7.is.provider.RequestTypeSpec
* com.scene7.is.provider.Response
* com.scene7.is.provider.catalog.ObjectRecordTracker
* com.scene7.is.sleng.CacheEnum
* com.scene7.is.sleng.ExpirationBuilder
* com.scene7.is.sleng.FXGServer
* com.scene7.is.sleng.ImageAccessException
* com.scene7.is.sleng.ImageServer
* com.scene7.is.sleng.ResponseFormatEnum
* com.scene7.is.sleng.ScaleModeEnum
* com.scene7.is.sleng.ScaleModeSpec
* com.scene7.is.sleng.VersionKeyBuilder
* com.scene7.is.sleng.ipp.IppAccessException
* com.scene7.is.sleng.ipp.IppBadImageAnchorException
* com.scene7.is.util.MimeTypeEnum
* com.scene7.is.util.RectInt
* com.scene7.is.util.Size
* com.scene7.is.util.callbacks.Option
* com.scene7.is.util.error.Scaffold
* com.scene7.is.util.text.ParameterException
* org.jetbrains.annotations.NotNull
* org.jetbrains.annotations.Nullable
*/
package com.scene7.is.ps.provider;
import com.scene7.is.provider.CacheSpec;
import com.scene7.is.provider.FmtSpec;
import com.scene7.is.provider.RequestContext;
import com.scene7.is.provider.RequestTypeEnum;
import com.scene7.is.provider.RequestTypeSpec;
import com.scene7.is.provider.Response;
import com.scene7.is.provider.catalog.ObjectRecordTracker;
import com.scene7.is.ps.provider.CacheEntry;
import com.scene7.is.ps.provider.CatalogRecordException;
import com.scene7.is.ps.provider.IZoomException;
import com.scene7.is.ps.provider.ModifierSet;
import com.scene7.is.ps.provider.Request;
import com.scene7.is.ps.provider.SlengCompiler;
import com.scene7.is.ps.provider.defs.ModifierEnum;
import com.scene7.is.ps.provider.defs.TileRect;
import com.scene7.is.ps.provider.util.CachingPolicy;
import com.scene7.is.ps.provider.util.CatalogCachingPolicy;
import com.scene7.is.ps.provider.util.ExpirationPolicy;
import com.scene7.is.ps.provider.util.ImageRequester;
import com.scene7.is.ps.provider.util.Requester;
import com.scene7.is.ps.provider.util.TileRequester;
import com.scene7.is.sleng.CacheEnum;
import com.scene7.is.sleng.ExpirationBuilder;
import com.scene7.is.sleng.FXGServer;
import com.scene7.is.sleng.ImageAccessException;
import com.scene7.is.sleng.ImageServer;
import com.scene7.is.sleng.ResponseFormatEnum;
import com.scene7.is.sleng.ScaleModeEnum;
import com.scene7.is.sleng.ScaleModeSpec;
import com.scene7.is.sleng.VersionKeyBuilder;
import com.scene7.is.sleng.ipp.IppAccessException;
import com.scene7.is.sleng.ipp.IppBadImageAnchorException;
import com.scene7.is.util.MimeTypeEnum;
import com.scene7.is.util.RectInt;
import com.scene7.is.util.Size;
import com.scene7.is.util.callbacks.Option;
import com.scene7.is.util.error.Scaffold;
import com.scene7.is.util.text.ParameterException;
import java.util.Arrays;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public final class Util {
private static final Logger LOGGER = Logger.getLogger(Util.class.getName());
private static final MimeTypeEnum[] MIME_TYPES = new MimeTypeEnum[ResponseFormatEnum.class.getEnumConstants().length];
public static String LOCALIZATION_DUMMY_IMAGE_PATH_PREFIX = "TRANSLATED_IDS_NOT_FOUND";
private Util() {
}
public static CachingPolicy getCachingPolicy(Request request) {
ModifierSet attributes = request.getGlobalAttributes();
boolean useCatalogValidation = attributes.getOrDie(ModifierEnum.I_CACHE_VALIDATION_POLICY);
CacheEnum cacheUse = attributes.get(ModifierEnum.CACHE, CacheSpec.ON).getServer();
if (useCatalogValidation) {
long timeStamp = Util.computeCatalogTimeStamp(request);
return new CatalogCachingPolicy(cacheUse, timeStamp);
}
long timeToLive = Util.computeCacheTimeToLive(request);
return new ExpirationPolicy(cacheUse, timeToLive);
}
public static Requester getRequester(@NotNull byte[] code, @NotNull Request request, @Nullable SlengCompiler compiler, @NotNull ImageServer imageServer, @NotNull FXGServer fxgServer) throws IZoomException, ParameterException {
ModifierSet attributes = request.getGlobalAttributes();
RequestTypeSpec requestType = attributes.getOrDie(ModifierEnum.REQ);
Size sizeLimit = request.getMaxPix();
boolean optimize = Util.doOptimize(request);
MimeTypeEnum mimeType = Util.getMimeType(request);
if (requestType.type == RequestTypeEnum.TILE) {
RectInt rect = attributes.get(ModifierEnum.RECT).rect;
double scale = 1.0 / attributes.get(ModifierEnum.SCL, 1.0);
TileRect tileRect = TileRect.tileRect(rect, scale);
String version = attributes.get(ModifierEnum.ID, "undefined");
return new TileRequester(code, mimeType, tileRect, sizeLimit, version, compiler, optimize, imageServer, fxgServer);
}
if (attributes.contains(ModifierEnum.RECT)) {
TileRect tileRect = attributes.get(ModifierEnum.RECT);
String version = attributes.get(ModifierEnum.ID, "undefined");
return new TileRequester(code, mimeType, tileRect, sizeLimit, version, compiler, optimize, imageServer, fxgServer);
}
return new ImageRequester(code, mimeType, sizeLimit, compiler, optimize, imageServer, fxgServer);
}
static long computeTimeToLive(Request request) {
ModifierSet attributes = request.getGlobalAttributes();
long timeToLive = attributes.getOrDie(ModifierEnum.I_EXPIRATION);
for (ModifierSet layer : request.getLayers()) {
if (!layer.contains(ModifierEnum.I_EXPIRATION)) continue;
long layerTimeToLive = layer.getOrDie(ModifierEnum.I_EXPIRATION);
if (timeToLive == -1) {
timeToLive = layerTimeToLive;
continue;
}
if (layerTimeToLive == -1) continue;
timeToLive = Math.min(timeToLive, layerTimeToLive);
}
return timeToLive;
}
static long computeDefaultTimeToLive(Request request) {
ModifierSet attributes = request.getGlobalAttributes();
return attributes.getOrDie(ModifierEnum.I_DEFAULT_EXPIRATION);
}
static long computeNonImgTimeToLive(Request request) {
ModifierSet attributes = request.getGlobalAttributes();
return attributes.getOrDie(ModifierEnum.I_NON_IMG_EXPIRATION);
}
static long computeExpiration(Request request, ImageServer server) throws IZoomException {
long timeToLive = Util.computeTimeToLive(request);
long expiration = Response.ttl2Expiration((long)timeToLive);
try {
SlengCompiler compiler = new SlengCompiler(server, false, false, false);
byte[] code = compiler.compileRequest(request);
expiration = ExpirationBuilder.getExpiration((ImageServer)server, (byte[])code, (long)expiration);
}
catch (ImageAccessException e) {
throw new IZoomException(IZoomException.COULD_NOT_COMPUTE_EXPIRATION, "computeExpiration failed", (Throwable)e);
}
catch (ParameterException e) {
throw new IZoomException(IZoomException.COULD_NOT_COMPUTE_EXPIRATION, "computeExpiration failed", (Throwable)e);
}
return expiration;
}
static long computeDefaultExpiration(Request request) {
return Response.ttl2Expiration((long)Util.computeDefaultTimeToLive(request));
}
static long computeNonImgExpiration(Request request) {
return Response.ttl2Expiration((long)Util.computeNonImgTimeToLive(request));
}
public static long computeCatalogTimeStamp(Request request) {
ModifierSet attr = request.getGlobalAttributes();
long lastModified = attr.getOrDie(ModifierEnum.I_LAST_MODIFIED);
for (ModifierSet layer : request.getLayers()) {
lastModified = Math.max(lastModified, layer.getOrDie(ModifierEnum.I_LAST_MODIFIED));
}
return lastModified;
}
static long computeLastModified(Request request) {
ModifierSet attr = request.getGlobalAttributes();
if (!Boolean.TRUE.equals(attr.getOrDie(ModifierEnum.I_USE_LAST_MODIFIED))) {
return -1;
}
long lastModified = attr.getOrDie(ModifierEnum.I_LAST_MODIFIED);
for (ModifierSet layer : request.getLayers()) {
if (!Boolean.TRUE.equals(layer.get(ModifierEnum.I_USE_LAST_MODIFIED, Boolean.FALSE))) {
LOGGER.log(Level.WARNING, "UseLastModified is inconsistent in cross catalog reference");
return -1;
}
lastModified = Math.max(lastModified, layer.getOrDie(ModifierEnum.I_LAST_MODIFIED));
}
return lastModified;
}
static long computeCacheTimeToLive(Request request) {
long timeToLive = Util.getCacheExpiration(request.getGlobalAttributes());
for (ModifierSet layer : request.getLayers()) {
if (!Util.containsCacheExpiration(layer)) continue;
long layerTimeToLive = Util.getCacheExpiration(layer);
timeToLive = Math.min(timeToLive, layerTimeToLive);
}
return timeToLive;
}
public static boolean isModified(@NotNull ImageServer server, @NotNull FXGServer fxgServer, @NotNull CacheEntry entry, @NotNull byte[] code) throws ImageAccessException {
byte[] cachedVersionKey;
byte[] versionKey = VersionKeyBuilder.buildVersionKey((ImageServer)server, (FXGServer)fxgServer, (byte[])code).getBytes();
return !Arrays.equals(versionKey, cachedVersionKey = entry.versionKey);
}
static MimeTypeEnum getMimeType(Request request) {
ModifierSet attributes = request.getGlobalAttributes();
FmtSpec format = attributes.getOrDie(ModifierEnum.FMT);
return Util.getMimeType(format.format);
}
public static boolean doOptimize(Request request) throws ParameterException {
ScaleModeSpec scaleModeSpec = request.getGlobalAttributes().get(ModifierEnum.SCALE_MODE);
ScaleModeEnum scaleMode = scaleModeSpec.scaleMode;
return scaleMode != ScaleModeEnum.COMPATIBLE;
}
public static MimeTypeEnum getMimeType(ResponseFormatEnum responseFormat) {
return MIME_TYPES[responseFormat.ordinal()];
}
private static boolean containsCacheExpiration(ModifierSet modifiers) {
if (modifiers.contains(ModifierEnum.I_CACHE_EXPIRATION)) {
return true;
}
return modifiers.contains(ModifierEnum.I_EXPIRATION);
}
private static long getCacheExpiration(ModifierSet modifiers) {
if (modifiers.contains(ModifierEnum.I_CACHE_EXPIRATION)) {
return modifiers.getOrDie(ModifierEnum.I_CACHE_EXPIRATION);
}
return modifiers.getOrDie(ModifierEnum.I_EXPIRATION);
}
public static String findFailingImageId(@NotNull Option<? extends Throwable> exception, RequestContext context) {
String failingImageId = "";
for (Throwable except : exception) {
if (except instanceof IppBadImageAnchorException || except.getCause() instanceof IppBadImageAnchorException) {
String originalPath = except instanceof IppBadImageAnchorException ? ((IppBadImageAnchorException)except).getOriginalPath() : ((IppBadImageAnchorException)except.getCause()).getOriginalPath();
failingImageId = context.getObjectRecordTracker().findImageId(originalPath);
continue;
}
if (!(except instanceof CatalogRecordException)) continue;
failingImageId = ((CatalogRecordException)except).failingRecordId;
}
return failingImageId;
}
public static boolean isInPSCatalog(@NotNull String imageId, @NotNull RequestContext context) {
return context.getObjectRecordTracker().isInCatalog(imageId);
}
public static boolean missingImageHasCatalogEntry(@NotNull Option<? extends Throwable> ex, @NotNull RequestContext context) {
for (Throwable e : ex) {
if (e instanceof IppAccessException) continue;
ex = Option.some((Object)e.getCause());
}
String failingImageId = Util.findFailingImageId(ex, context);
if (failingImageId.isEmpty()) {
return false;
}
return Util.isInPSCatalog(failingImageId, context);
}
public static boolean isInvalidPath(@NotNull String s) {
if (s.startsWith("\\")) {
return true;
}
if (s.startsWith("%5C")) {
return true;
}
if (s.startsWith("%5c")) {
return true;
}
if (s.startsWith("//")) {
return true;
}
return false;
}
static {
Util.MIME_TYPES[ResponseFormatEnum.GIF.ordinal()] = MimeTypeEnum.IMAGE_GIF;
Util.MIME_TYPES[ResponseFormatEnum.JPEG.ordinal()] = MimeTypeEnum.IMAGE_JPEG;
Util.MIME_TYPES[ResponseFormatEnum.PJPEG.ordinal()] = MimeTypeEnum.IMAGE_JPEG;
Util.MIME_TYPES[ResponseFormatEnum.PNG.ordinal()] = MimeTypeEnum.IMAGE_PNG;
Util.MIME_TYPES[ResponseFormatEnum.PNG8.ordinal()] = MimeTypeEnum.IMAGE_PNG;
Util.MIME_TYPES[ResponseFormatEnum.TIF.ordinal()] = MimeTypeEnum.IMAGE_TIFF;
Util.MIME_TYPES[ResponseFormatEnum.EPS.ordinal()] = MimeTypeEnum.IMAGE_EPS;
Util.MIME_TYPES[ResponseFormatEnum.PTIF.ordinal()] = MimeTypeEnum.IMAGE_TIFF;
Util.MIME_TYPES[ResponseFormatEnum.SWF.ordinal()] = MimeTypeEnum.APPLICATION_X_SHOCKWAVE_FLASH;
Util.MIME_TYPES[ResponseFormatEnum.SWF3.ordinal()] = MimeTypeEnum.APPLICATION_X_SHOCKWAVE_FLASH;
Util.MIME_TYPES[ResponseFormatEnum.XML.ordinal()] = MimeTypeEnum.TEXT_XML;
Util.MIME_TYPES[ResponseFormatEnum.PCX.ordinal()] = MimeTypeEnum.IMAGE_X_PCX;
Util.MIME_TYPES[ResponseFormatEnum.DEFLATE.ordinal()] = MimeTypeEnum.APPLICATION_OCTET_STREAM;
Util.MIME_TYPES[ResponseFormatEnum.PROPS.ordinal()] = MimeTypeEnum.TEXT_PLAIN;
Util.MIME_TYPES[ResponseFormatEnum.HTML.ordinal()] = MimeTypeEnum.TEXT_HTML;
Util.MIME_TYPES[ResponseFormatEnum.JAVA_SCRIPT.ordinal()] = MimeTypeEnum.TEXT_JAVASCRIPT;
Util.MIME_TYPES[ResponseFormatEnum.PDF.ordinal()] = MimeTypeEnum.APPLICATION_PDF;
Util.MIME_TYPES[ResponseFormatEnum.SIMPLE.ordinal()] = MimeTypeEnum.APPLICATION_OCTET_STREAM;
Util.MIME_TYPES[ResponseFormatEnum.F4M.ordinal()] = MimeTypeEnum.TEXT_XML;
Util.MIME_TYPES[ResponseFormatEnum.M3U8.ordinal()] = MimeTypeEnum.TEXT_PLAIN;
Util.MIME_TYPES[ResponseFormatEnum.PSD.ordinal()] = MimeTypeEnum.APPLICATION_PHOTOSHOP;
Util.MIME_TYPES[ResponseFormatEnum.WEBP.ordinal()] = MimeTypeEnum.IMAGE_WEBP;
Scaffold.validateMapping(ResponseFormatEnum.class, (Object[])MIME_TYPES);
}
}