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session-ios/SessionUtilitiesKit/Media/MIMETypeUtil.m

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#import "MIMETypeUtil.h"
#import "OWSFileSystem.h"
#if TARGET_OS_IPHONE
#import <MobileCoreServices/MobileCoreServices.h>
#else
#import <CoreServices/CoreServices.h>
#endif
NS_ASSUME_NONNULL_BEGIN
NSString *const OWSMimeTypeApplicationOctetStream = @"application/octet-stream";
NSString *const OWSMimeTypeImagePng = @"image/png";
NSString *const OWSMimeTypeImageJpeg = @"image/jpeg";
NSString *const OWSMimeTypeImageGif = @"image/gif";
NSString *const OWSMimeTypeImageTiff1 = @"image/tiff";
NSString *const OWSMimeTypeImageTiff2 = @"image/x-tiff";
NSString *const OWSMimeTypeImageBmp1 = @"image/bmp";
NSString *const OWSMimeTypeImageBmp2 = @"image/x-windows-bmp";
NSString *const OWSMimeTypeOversizeTextMessage = @"text/x-signal-plain";
NSString *const OWSMimeTypeUnknownForTests = @"unknown/mimetype";
NSString *const OWSMimeTypeApplicationZip = @"application/zip";
NSString *const kOversizeTextAttachmentUTI = @"org.whispersystems.oversize-text-attachment";
NSString *const kOversizeTextAttachmentFileExtension = @"txt";
NSString *const kUnknownTestAttachmentUTI = @"org.whispersystems.unknown";
NSString *const kSyncMessageFileExtension = @"bin";
@implementation MIMETypeUtil
+ (NSDictionary *)supportedVideoMIMETypesToExtensionTypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"video/3gpp" : @"3gp",
@"video/3gpp2" : @"3g2",
@"video/mp4" : @"mp4",
@"video/quicktime" : @"mov",
@"video/x-m4v" : @"m4v",
@"video/mpeg" : @"mpg",
};
});
return result;
}
+ (NSDictionary *)supportedAudioMIMETypesToExtensionTypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"audio/aac" : @"m4a",
@"audio/x-m4p" : @"m4p",
@"audio/x-m4b" : @"m4b",
@"audio/x-m4a" : @"m4a",
@"audio/wav" : @"wav",
@"audio/x-wav" : @"wav",
@"audio/x-mpeg" : @"mp3",
@"audio/mpeg" : @"mp3",
@"audio/mp4" : @"mp4",
@"audio/mp3" : @"mp3",
@"audio/mpeg3" : @"mp3",
@"audio/x-mp3" : @"mp3",
@"audio/x-mpeg3" : @"mp3",
@"audio/aiff" : @"aiff",
@"audio/x-aiff" : @"aiff",
@"audio/3gpp2" : @"3g2",
@"audio/3gpp" : @"3gp",
};
});
return result;
}
+ (NSDictionary *)supportedImageMIMETypesToExtensionTypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
OWSMimeTypeImageJpeg : @"jpeg",
@"image/pjpeg" : @"jpeg",
OWSMimeTypeImagePng : @"png",
@"image/tiff" : @"tif",
@"image/x-tiff" : @"tif",
@"image/bmp" : @"bmp",
@"image/x-windows-bmp" : @"bmp",
@"image/gif" : @"gif"
};
});
return result;
}
+ (NSDictionary *)supportedAnimatedMIMETypesToExtensionTypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
OWSMimeTypeImageGif : @"gif",
};
});
return result;
}
+ (NSDictionary *)supportedBinaryDataMIMETypesToExtensionTypes
{
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
OWSMimeTypeApplicationOctetStream : @"dat",
};
});
return result;
}
+ (NSDictionary *)supportedVideoExtensionTypesToMIMETypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"3gp" : @"video/3gpp",
@"3gpp" : @"video/3gpp",
@"3gp2" : @"video/3gpp2",
@"3gpp2" : @"video/3gpp2",
@"mp4" : @"video/mp4",
@"mov" : @"video/quicktime",
@"mqv" : @"video/quicktime",
@"m4v" : @"video/x-m4v",
@"mpg" : @"video/mpeg",
@"mpeg" : @"video/mpeg",
};
});
return result;
}
+ (NSDictionary *)supportedAudioExtensionTypesToMIMETypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"3gp" : @"audio/3gpp",
@"3gpp" : @"@audio/3gpp",
@"3g2" : @"audio/3gpp2",
@"3gp2" : @"audio/3gpp2",
@"aiff" : @"audio/aiff",
@"aif" : @"audio/aiff",
@"aifc" : @"audio/aiff",
@"cdda" : @"audio/aiff",
@"mp3" : @"audio/mp3",
@"swa" : @"audio/mp3",
@"mp4" : @"audio/mp4",
@"wav" : @"audio/wav",
@"bwf" : @"audio/wav",
@"m4a" : @"audio/x-m4a",
@"m4b" : @"audio/x-m4b",
@"m4p" : @"audio/x-m4p"
};
});
return result;
}
+ (NSDictionary *)supportedImageExtensionTypesToMIMETypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"png" : OWSMimeTypeImagePng,
@"x-png" : OWSMimeTypeImagePng,
@"jfif" : @"image/jpeg",
@"jfif" : @"image/pjpeg",
@"jfif-tbnl" : @"image/jpeg",
@"jpe" : @"image/jpeg",
@"jpe" : @"image/pjpeg",
@"jpeg" : @"image/jpeg",
@"jpg" : @"image/jpeg",
@"tif" : @"image/tiff",
@"tiff" : @"image/tiff"
};
});
return result;
}
+ (NSDictionary *)supportedAnimatedExtensionTypesToMIMETypes {
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"gif" : OWSMimeTypeImageGif,
};
});
return result;
}
+ (BOOL)isSupportedVideoMIMEType:(NSString *)contentType {
return [[self supportedVideoMIMETypesToExtensionTypes] objectForKey:contentType] != nil;
}
+ (BOOL)isSupportedAudioMIMEType:(NSString *)contentType {
return [[self supportedAudioMIMETypesToExtensionTypes] objectForKey:contentType] != nil;
}
+ (BOOL)isSupportedImageMIMEType:(NSString *)contentType {
return [[self supportedImageMIMETypesToExtensionTypes] objectForKey:contentType] != nil;
}
+ (BOOL)isSupportedAnimatedMIMEType:(NSString *)contentType {
return [[self supportedAnimatedMIMETypesToExtensionTypes] objectForKey:contentType] != nil;
}
+ (BOOL)isSupportedBinaryDataMIMEType:(NSString *)contentType
{
return [[self supportedBinaryDataMIMETypesToExtensionTypes] objectForKey:contentType] != nil;
}
+ (BOOL)isSupportedVideoFile:(NSString *)filePath {
return [[self supportedVideoExtensionTypesToMIMETypes] objectForKey:filePath.pathExtension.lowercaseString] != nil;
}
+ (BOOL)isSupportedAudioFile:(NSString *)filePath {
return [[self supportedAudioExtensionTypesToMIMETypes] objectForKey:filePath.pathExtension.lowercaseString] != nil;
}
+ (BOOL)isSupportedImageFile:(NSString *)filePath {
return [[self supportedImageExtensionTypesToMIMETypes] objectForKey:filePath.pathExtension.lowercaseString] != nil;
}
+ (BOOL)isSupportedAnimatedFile:(NSString *)filePath {
return
[[self supportedAnimatedExtensionTypesToMIMETypes] objectForKey:filePath.pathExtension.lowercaseString] != nil;
}
+ (nullable NSString *)getSupportedExtensionFromVideoMIMEType:(NSString *)supportedMIMEType
{
return [[self supportedVideoMIMETypesToExtensionTypes] objectForKey:supportedMIMEType];
}
+ (nullable NSString *)getSupportedExtensionFromAudioMIMEType:(NSString *)supportedMIMEType
{
return [[self supportedAudioMIMETypesToExtensionTypes] objectForKey:supportedMIMEType];
}
+ (nullable NSString *)getSupportedExtensionFromImageMIMEType:(NSString *)supportedMIMEType
{
return [[self supportedImageMIMETypesToExtensionTypes] objectForKey:supportedMIMEType];
}
+ (nullable NSString *)getSupportedExtensionFromAnimatedMIMEType:(NSString *)supportedMIMEType
{
return [[self supportedAnimatedMIMETypesToExtensionTypes] objectForKey:supportedMIMEType];
}
+ (nullable NSString *)getSupportedExtensionFromBinaryDataMIMEType:(NSString *)supportedMIMEType
{
return [[self supportedBinaryDataMIMETypesToExtensionTypes] objectForKey:supportedMIMEType];
}
#pragma mark full attachment utilities
+ (BOOL)isAnimated:(NSString *)contentType {
return [MIMETypeUtil isSupportedAnimatedMIMEType:contentType];
}
+ (BOOL)isBinaryData:(NSString *)contentType
{
return [MIMETypeUtil isSupportedBinaryDataMIMEType:contentType];
}
+ (BOOL)isImage:(NSString *)contentType {
return [MIMETypeUtil isSupportedImageMIMEType:contentType];
}
+ (BOOL)isVideo:(NSString *)contentType {
return [MIMETypeUtil isSupportedVideoMIMEType:contentType];
}
+ (BOOL)isAudio:(NSString *)contentType {
return [MIMETypeUtil isSupportedAudioMIMEType:contentType];
}
+ (BOOL)isVisualMedia:(NSString *)contentType
{
if ([self isImage:contentType]) {
return YES;
}
if ([self isVideo:contentType]) {
return YES;
}
if ([self isAnimated:contentType]) {
return YES;
}
return NO;
}
+ (nullable NSString *)filePathForAttachment:(NSString *)uniqueId
ofMIMEType:(NSString *)contentType
sourceFilename:(nullable NSString *)sourceFilename
inFolder:(NSString *)folder
{
NSString *kDefaultFileExtension = @"bin";
if (sourceFilename.length > 0) {
NSString *normalizedFilename =
[sourceFilename stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
// Ensure that the filename is a valid filesystem name,
// replacing invalid characters with an underscore.
for (NSCharacterSet *invalidCharacterSet in @[
[NSCharacterSet whitespaceAndNewlineCharacterSet],
[NSCharacterSet illegalCharacterSet],
[NSCharacterSet controlCharacterSet],
[NSCharacterSet characterSetWithCharactersInString:@"<>|\\:()&;?*/~"],
]) {
normalizedFilename = [[normalizedFilename componentsSeparatedByCharactersInSet:invalidCharacterSet]
componentsJoinedByString:@"_"];
}
// Remove leading periods to prevent hidden files,
// "." and ".." special file names.
while ([normalizedFilename hasPrefix:@"."]) {
normalizedFilename = [normalizedFilename substringFromIndex:1];
}
NSString *fileExtension = [[normalizedFilename pathExtension]
stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
NSString *filenameWithoutExtension = [[[normalizedFilename lastPathComponent] stringByDeletingPathExtension]
stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
// If the filename has not file extension, deduce one
// from the MIME type.
if (fileExtension.length < 1) {
fileExtension = [self fileExtensionForMIMEType:contentType];
if (fileExtension.length < 1) {
fileExtension = kDefaultFileExtension;
}
}
fileExtension = [fileExtension lowercaseString];
if (filenameWithoutExtension.length > 0) {
// Store the file in a subdirectory whose name is the uniqueId of this attachment,
// to avoid collisions between multiple attachments with the same name.
NSString *attachmentFolderPath = [folder stringByAppendingPathComponent:uniqueId];
if (![OWSFileSystem ensureDirectoryExists:attachmentFolderPath]) {
return nil;
}
return [attachmentFolderPath
stringByAppendingPathComponent:[NSString
stringWithFormat:@"%@.%@", filenameWithoutExtension, fileExtension]];
}
}
if ([self isVideo:contentType]) {
return [MIMETypeUtil filePathForVideo:uniqueId ofMIMEType:contentType inFolder:folder];
} else if ([self isAudio:contentType]) {
return [MIMETypeUtil filePathForAudio:uniqueId ofMIMEType:contentType inFolder:folder];
} else if ([self isImage:contentType]) {
return [MIMETypeUtil filePathForImage:uniqueId ofMIMEType:contentType inFolder:folder];
} else if ([self isAnimated:contentType]) {
return [MIMETypeUtil filePathForAnimated:uniqueId ofMIMEType:contentType inFolder:folder];
} else if ([self isBinaryData:contentType]) {
return [MIMETypeUtil filePathForBinaryData:uniqueId ofMIMEType:contentType inFolder:folder];
} else if ([contentType isEqualToString:OWSMimeTypeOversizeTextMessage]) {
// We need to use a ".txt" file extension since this file extension is used
// by UIActivityViewController to determine which kinds of sharing are
// appropriate for this text.
// be used outside the app.
return [self filePathForData:uniqueId withFileExtension:@"txt" inFolder:folder];
} else if ([contentType isEqualToString:OWSMimeTypeUnknownForTests]) {
// This file extension is arbitrary - it should never be exposed to the user or
// be used outside the app.
return [self filePathForData:uniqueId withFileExtension:@"unknown" inFolder:folder];
}
NSString *fileExtension = [self fileExtensionForMIMEType:contentType];
if (fileExtension) {
return [self filePathForData:uniqueId withFileExtension:fileExtension inFolder:folder];
}
// Use a fallback file extension.
return [self filePathForData:uniqueId withFileExtension:kDefaultFileExtension inFolder:folder];
}
+ (NSString *)filePathForImage:(NSString *)uniqueId ofMIMEType:(NSString *)contentType inFolder:(NSString *)folder {
return [self filePathForData:uniqueId
withFileExtension:[self getSupportedExtensionFromImageMIMEType:contentType]
inFolder:folder];
}
+ (NSString *)filePathForVideo:(NSString *)uniqueId ofMIMEType:(NSString *)contentType inFolder:(NSString *)folder {
return [self filePathForData:uniqueId
withFileExtension:[self getSupportedExtensionFromVideoMIMEType:contentType]
inFolder:folder];
}
+ (NSString *)filePathForAudio:(NSString *)uniqueId ofMIMEType:(NSString *)contentType inFolder:(NSString *)folder {
return [self filePathForData:uniqueId
withFileExtension:[self getSupportedExtensionFromAudioMIMEType:contentType]
inFolder:folder];
}
+ (NSString *)filePathForAnimated:(NSString *)uniqueId ofMIMEType:(NSString *)contentType inFolder:(NSString *)folder {
return [self filePathForData:uniqueId
withFileExtension:[self getSupportedExtensionFromAnimatedMIMEType:contentType]
inFolder:folder];
}
+ (NSString *)filePathForBinaryData:(NSString *)uniqueId ofMIMEType:(NSString *)contentType inFolder:(NSString *)folder
{
return [self filePathForData:uniqueId
withFileExtension:[self getSupportedExtensionFromBinaryDataMIMEType:contentType]
inFolder:folder];
}
+ (NSString *)filePathForData:(NSString *)uniqueId
withFileExtension:(NSString *)fileExtension
inFolder:(NSString *)folder
{
return [folder stringByAppendingPathComponent:[uniqueId stringByAppendingPathExtension:fileExtension]];
}
+ (nullable NSString *)utiTypeForMIMEType:(NSString *)mimeType
{
NSString *utiType = (__bridge_transfer NSString *)UTTypeCreatePreferredIdentifierForTag(
kUTTagClassMIMEType, (__bridge CFStringRef)mimeType, NULL);
if (!utiType) {
if ([mimeType isEqualToString:@"audio/amr"]) {
utiType = @"org.3gpp.adaptive-multi-rate-audio";
} else if ([mimeType isEqualToString:@"audio/mp3"] || [mimeType isEqualToString:@"audio/x-mpeg"] ||
[mimeType isEqualToString:@"audio/mpeg"] || [mimeType isEqualToString:@"audio/mpeg3"] ||
[mimeType isEqualToString:@"audio/x-mp3"] || [mimeType isEqualToString:@"audio/x-mpeg3"]) {
utiType = (NSString *)kUTTypeMP3;
} else if ([mimeType isEqualToString:@"audio/aac"] || [mimeType isEqualToString:@"audio/x-m4a"]) {
utiType = (NSString *)kUTTypeMPEG4Audio;
} else if ([mimeType isEqualToString:@"audio/aiff"] || [mimeType isEqualToString:@"audio/x-aiff"]) {
utiType = (NSString *)kUTTypeAudioInterchangeFileFormat;
}
}
return utiType;
}
+ (nullable NSString *)fileExtensionForUTIType:(NSString *)utiType
{
// Special-case the "aac" filetype we use for voice messages (for legacy reasons)
// to use a .m4a file extension, not .aac, since AVAudioPlayer can't handle .aac
// properly. Doesn't affect file contents.
if ([utiType isEqualToString:@"public.aac-audio"]) {
return @"m4a";
}
CFStringRef fileExtension
= UTTypeCopyPreferredTagWithClass((__bridge CFStringRef)utiType, kUTTagClassFilenameExtension);
return (__bridge_transfer NSString *)fileExtension;
}
+ (nullable NSString *)fileExtensionForMIMETypeViaUTIType:(NSString *)mimeType
{
NSString *utiType = [self utiTypeForMIMEType:mimeType];
if (!utiType) {
return nil;
}
NSString *fileExtension = [self fileExtensionForUTIType:utiType];
return fileExtension;
}
+ (NSSet<NSString *> *)utiTypesForMIMETypes:(NSArray *)mimeTypes
{
NSMutableSet<NSString *> *result = [NSMutableSet new];
for (NSString *mimeType in mimeTypes) {
NSString *_Nullable utiType = [self utiTypeForMIMEType:mimeType];
if (!utiType) { continue; }
[result addObject:utiType];
}
return result;
}
+ (NSSet<NSString *> *)supportedVideoUTITypes
{
static NSSet<NSString *> *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = [self utiTypesForMIMETypes:[self supportedVideoMIMETypesToExtensionTypes].allKeys];
});
return result;
}
+ (NSSet<NSString *> *)supportedAudioUTITypes
{
static NSSet<NSString *> *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = [self utiTypesForMIMETypes:[self supportedAudioMIMETypesToExtensionTypes].allKeys];
});
return result;
}
+ (NSSet<NSString *> *)supportedImageUTITypes
{
static NSSet<NSString *> *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = [self utiTypesForMIMETypes:[self supportedImageMIMETypesToExtensionTypes].allKeys];
});
return result;
}
+ (NSSet<NSString *> *)supportedAnimatedImageUTITypes
{
static NSSet<NSString *> *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = [self utiTypesForMIMETypes:[self supportedAnimatedMIMETypesToExtensionTypes].allKeys];
});
return result;
}
+ (NSDictionary *)genericMIMETypesToExtensionTypes
{
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"application/acad" : @"dwg",
@"application/andrew-inset" : @"ez",
@"application/applixware" : @"aw",
@"application/arj" : @"arj",
@"application/atom+xml" : @"atom",
@"application/atomcat+xml" : @"atomcat",
@"application/atomsvc+xml" : @"atomsvc",
@"application/binhex" : @"hqx",
@"application/binhex4" : @"hqx",
@"application/book" : @"book",
@"application/ccxml+xml" : @"ccxml",
@"application/cdf" : @"cdf",
@"application/cdmi-capability" : @"cdmia",
@"application/cdmi-container" : @"cdmic",
@"application/cdmi-domain" : @"cdmid",
@"application/cdmi-object" : @"cdmio",
@"application/cdmi-queue" : @"cdmiq",
@"application/clariscad" : @"ccad",
@"application/commonground" : @"dp",
@"application/cu-seeme" : @"cu",
@"application/davmount+xml" : @"davmount",
@"application/docbook+xml" : @"dbk",
@"application/drafting" : @"drw",
@"application/dsptype" : @"tsp",
@"application/dssc+der" : @"dssc",
@"application/dssc+xml" : @"xdssc",
@"application/dxf" : @"dxf",
@"application/ecmascript" : @"js",
@"application/emma+xml" : @"emma",
@"application/envoy" : @"evy",
@"application/epub+zip" : @"epub",
@"application/excel" : @"xls",
@"application/exi" : @"exi",
@"application/font-tdpfr" : @"pfr",
@"application/font-woff" : @"woff",
@"application/fractals" : @"fif",
@"application/freeloader" : @"frl",
@"application/futuresplash" : @"spl",
@"application/gml+xml" : @"gml",
@"application/gnutar" : @"tgz",
@"application/gpx+xml" : @"gpx",
@"application/groupwise" : @"vew",
@"application/gxf" : @"gxf",
@"application/hlp" : @"hlp",
@"application/hta" : @"hta",
@"application/hyperstudio" : @"stk",
@"application/i-deas" : @"unv",
@"application/iges" : @"iges",
@"application/inf" : @"inf",
@"application/inkml+xml" : @"ink",
@"application/internet-property-stream" : @"acx",
@"application/ipfix" : @"ipfix",
@"application/java" : @"class",
@"application/java-archive" : @"jar",
@"application/java-byte-code" : @"class",
@"application/java-serialized-object" : @"ser",
@"application/java-vm" : @"class",
@"application/javascript" : @"js",
@"application/json" : @"json",
@"application/jsonml+json" : @"jsonml",
@"application/lha" : @"lha",
@"application/lost+xml" : @"lostxml",
@"application/lzx" : @"lzx",
@"application/mac-binary" : @"bin",
@"application/mac-binhex" : @"hqx",
@"application/mac-binhex40" : @"hqx",
@"application/mac-compactpro" : @"cpt",
@"application/macbinary" : @"bin",
@"application/mads+xml" : @"mads",
@"application/marc" : @"mrc",
@"application/marcxml+xml" : @"mrcx",
@"application/mathematica" : @"ma",
@"application/mathml+xml" : @"mathml",
@"application/mbedlet" : @"mbd",
@"application/mbox" : @"mbox",
@"application/mcad" : @"mcd",
@"application/mediaservercontrol+xml" : @"mscml",
@"application/metalink+xml" : @"metalink",
@"application/metalink4+xml" : @"meta4",
@"application/mets+xml" : @"mets",
@"application/mime" : @"aps",
@"application/mods+xml" : @"mods",
@"application/mp21" : @"m21",
@"application/mp4" : @"mp4",
@"application/mspowerpoint" : @"ppt",
@"application/msword" : @"doc",
@"application/mswrite" : @"wri",
@"application/mxf" : @"mxf",
@"application/netmc" : @"mcp",
@"application/octet-stream" : @"bin",
@"application/oda" : @"oda",
@"application/oebps-package+xml" : @"opf",
@"application/ogg" : @"oga",
@"application/olescript" : @"axs",
@"application/omdoc+xml" : @"omdoc",
@"application/onenote" : @"onetoc",
@"application/oxps" : @"oxps",
@"application/patch-ops-error+xml" : @"xer",
@"application/pdf" : @"pdf",
@"application/pgp-encrypted" : @"pgp",
@"application/pgp-signature" : @"sig",
@"application/pics-rules" : @"prf",
@"application/pkcs-12" : @"p12",
@"application/pkcs-crl" : @"crl",
@"application/pkcs10" : @"p10",
@"application/pkcs7-mime" : @"p7m",
@"application/pkcs7-signature" : @"p7s",
@"application/pkcs8" : @"p8",
@"application/pkix-attr-cert" : @"ac",
@"application/pkix-cert" : @"cer",
@"application/pkix-crl" : @"crl",
@"application/pkix-pkipath" : @"pkipath",
@"application/pkixcmp" : @"pki",
@"application/plain" : @"text",
@"application/pls+xml" : @"pls",
@"application/postscript" : @"ps",
@"application/powerpoint" : @"ppt",
@"application/prs.cww" : @"cww",
@"application/pskc+xml" : @"pskcxml",
@"application/rdf+xml" : @"rdf",
@"application/reginfo+xml" : @"rif",
@"application/relax-ng-compact-syntax" : @"rnc",
@"application/resource-lists+xml" : @"rl",
@"application/resource-lists-diff+xml" : @"rld",
@"application/ringing-tones" : @"rng",
@"application/rls-services+xml" : @"rs",
@"application/rpki-ghostbusters" : @"gbr",
@"application/rpki-manifest" : @"mft",
@"application/rpki-roa" : @"roa",
@"application/rsd+xml" : @"rsd",
@"application/rss+xml" : @"rss",
@"application/rtf" : @"rtf",
@"application/sbml+xml" : @"sbml",
@"application/scvp-cv-request" : @"scq",
@"application/scvp-cv-response" : @"scs",
@"application/scvp-vp-request" : @"spq",
@"application/scvp-vp-response" : @"spp",
@"application/sdp" : @"sdp",
@"application/sea" : @"sea",
@"application/set" : @"set",
@"application/set-payment-initiation" : @"setpay",
@"application/set-registration-initiation" : @"setreg",
@"application/shf+xml" : @"shf",
@"application/sla" : @"stl",
@"application/smil" : @"smi",
@"application/smil+xml" : @"smi",
@"application/solids" : @"sol",
@"application/sounder" : @"sdr",
@"application/sparql-query" : @"rq",
@"application/sparql-results+xml" : @"srx",
@"application/srgs" : @"gram",
@"application/srgs+xml" : @"grxml",
@"application/sru+xml" : @"sru",
@"application/ssdl+xml" : @"ssdl",
@"application/ssml+xml" : @"ssml",
@"application/step" : @"step",
@"application/streamingmedia" : @"ssm",
@"application/tei+xml" : @"tei",
@"application/thraud+xml" : @"tfi",
@"application/timestamped-data" : @"tsd",
@"application/toolbook" : @"tbk",
@"application/vda" : @"vda",
@"application/vnd.3gpp.pic-bw-large" : @"plb",
@"application/vnd.3gpp.pic-bw-small" : @"psb",
@"application/vnd.3gpp.pic-bw-var" : @"pvb",
@"application/vnd.3gpp2.tcap" : @"tcap",
@"application/vnd.3m.post-it-notes" : @"pwn",
@"application/vnd.accpac.simply.aso" : @"aso",
@"application/vnd.accpac.simply.imp" : @"imp",
@"application/vnd.acucobol" : @"acu",
@"application/vnd.acucorp" : @"atc",
@"application/vnd.adobe.air-application-installer-package+zip" : @"air",
@"application/vnd.adobe.formscentral.fcdt" : @"fcdt",
@"application/vnd.adobe.fxp" : @"fxp",
@"application/vnd.adobe.xdp+xml" : @"xdp",
@"application/vnd.adobe.xfdf" : @"xfdf",
@"application/vnd.ahead.space" : @"ahead",
@"application/vnd.airzip.filesecure.azf" : @"azf",
@"application/vnd.airzip.filesecure.azs" : @"azs",
@"application/vnd.amazon.ebook" : @"azw",
@"application/vnd.americandynamics.acc" : @"acc",
@"application/vnd.amiga.ami" : @"ami",
@"application/vnd.android.package-archive" : @"apk",
@"application/vnd.anser-web-certificate-issue-initiation" : @"cii",
@"application/vnd.anser-web-funds-transfer-initiation" : @"fti",
@"application/vnd.antix.game-component" : @"atx",
@"application/vnd.apple.installer+xml" : @"mpkg",
@"application/vnd.apple.mpegurl" : @"m3u8",
@"application/vnd.aristanetworks.swi" : @"swi",
@"application/vnd.astraea-software.iota" : @"iota",
@"application/vnd.audiograph" : @"aep",
@"application/vnd.blueice.multipass" : @"mpm",
@"application/vnd.bmi" : @"bmi",
@"application/vnd.businessobjects" : @"rep",
@"application/vnd.chemdraw+xml" : @"cdxml",
@"application/vnd.chipnuts.karaoke-mmd" : @"mmd",
@"application/vnd.cinderella" : @"cdy",
@"application/vnd.claymore" : @"cla",
@"application/vnd.cloanto.rp9" : @"rp9",
@"application/vnd.clonk.c4group" : @"c4g",
@"application/vnd.cluetrust.cartomobile-config" : @"c11amc",
@"application/vnd.cluetrust.cartomobile-config-pkg" : @"c11amz",
@"application/vnd.commonspace" : @"csp",
@"application/vnd.contact.cmsg" : @"cdbcmsg",
@"application/vnd.cosmocaller" : @"cmc",
@"application/vnd.crick.clicker" : @"clkx",
@"application/vnd.crick.clicker.keyboard" : @"clkk",
@"application/vnd.crick.clicker.palette" : @"clkp",
@"application/vnd.crick.clicker.template" : @"clkt",
@"application/vnd.crick.clicker.wordbank" : @"clkw",
@"application/vnd.criticaltools.wbs+xml" : @"wbs",
@"application/vnd.ctc-posml" : @"pml",
@"application/vnd.cups-ppd" : @"ppd",
@"application/vnd.curl.car" : @"car",
@"application/vnd.curl.pcurl" : @"pcurl",
@"application/vnd.dart" : @"dart",
@"application/vnd.data-vision.rdz" : @"rdz",
@"application/vnd.dece.data" : @"uvf",
@"application/vnd.dece.ttml+xml" : @"uvt",
@"application/vnd.dece.unspecified" : @"uvx",
@"application/vnd.dece.zip" : @"uvz",
@"application/vnd.denovo.fcselayout-link" : @"fe_launch",
@"application/vnd.dna" : @"dna",
@"application/vnd.dolby.mlp" : @"mlp",
@"application/vnd.dpgraph" : @"dpg",
@"application/vnd.dreamfactory" : @"dfac",
@"application/vnd.ds-keypoint" : @"kpxx",
@"application/vnd.dvb.ait" : @"ait",
@"application/vnd.dvb.service" : @"svc",
@"application/vnd.dynageo" : @"geo",
@"application/vnd.ecowin.chart" : @"mag",
@"application/vnd.enliven" : @"nml",
@"application/vnd.epson.esf" : @"esf",
@"application/vnd.epson.msf" : @"msf",
@"application/vnd.epson.quickanime" : @"qam",
@"application/vnd.epson.salt" : @"slt",
@"application/vnd.epson.ssf" : @"ssf",
@"application/vnd.eszigno3+xml" : @"es3",
@"application/vnd.ezpix-album" : @"ez2",
@"application/vnd.ezpix-package" : @"ez3",
@"application/vnd.fdf" : @"fdf",
@"application/vnd.fdsn.mseed" : @"mseed",
@"application/vnd.fdsn.seed" : @"seed",
@"application/vnd.flographit" : @"gph",
@"application/vnd.fluxtime.clip" : @"ftc",
@"application/vnd.framemaker" : @"fm",
@"application/vnd.frogans.fnc" : @"fnc",
@"application/vnd.frogans.ltf" : @"ltf",
@"application/vnd.fsc.weblaunch" : @"fsc",
@"application/vnd.fujitsu.oasys" : @"oas",
@"application/vnd.fujitsu.oasys2" : @"oa2",
@"application/vnd.fujitsu.oasys3" : @"oa3",
@"application/vnd.fujitsu.oasysgp" : @"fg5",
@"application/vnd.fujitsu.oasysprs" : @"bh2",
@"application/vnd.fujixerox.ddd" : @"ddd",
@"application/vnd.fujixerox.docuworks" : @"xdw",
@"application/vnd.fujixerox.docuworks.binder" : @"xbd",
@"application/vnd.fuzzysheet" : @"fzs",
@"application/vnd.genomatix.tuxedo" : @"txd",
@"application/vnd.geogebra.file" : @"ggb",
@"application/vnd.geogebra.tool" : @"ggt",
@"application/vnd.geometry-explorer" : @"gex",
@"application/vnd.geonext" : @"gxt",
@"application/vnd.geoplan" : @"g2w",
@"application/vnd.geospace" : @"g3w",
@"application/vnd.gmx" : @"gmx",
@"application/vnd.google-earth.kml+xml" : @"kml",
@"application/vnd.google-earth.kmz" : @"kmz",
@"application/vnd.grafeq" : @"gqf",
@"application/vnd.groove-account" : @"gac",
@"application/vnd.groove-help" : @"ghf",
@"application/vnd.groove-identity-message" : @"gim",
@"application/vnd.groove-injector" : @"grv",
@"application/vnd.groove-tool-message" : @"gtm",
@"application/vnd.groove-tool-template" : @"tpl",
@"application/vnd.groove-vcard" : @"vcg",
@"application/vnd.hal+xml" : @"hal",
@"application/vnd.handheld-entertainment+xml" : @"zmm",
@"application/vnd.hbci" : @"hbci",
@"application/vnd.hhe.lesson-player" : @"les",
@"application/vnd.hp-hpgl" : @"hpgl",
@"application/vnd.hp-hpid" : @"hpid",
@"application/vnd.hp-hps" : @"hps",
@"application/vnd.hp-jlyt" : @"jlt",
@"application/vnd.hp-pcl" : @"pcl",
@"application/vnd.hp-pclxl" : @"pclxl",
@"application/vnd.hydrostatix.sof-data" : @"sfd-hdstx",
@"application/vnd.ibm.minipay" : @"mpy",
@"application/vnd.ibm.modcap" : @"afp",
@"application/vnd.ibm.rights-management" : @"irm",
@"application/vnd.ibm.secure-container" : @"sc",
@"application/vnd.iccprofile" : @"icc",
@"application/vnd.igloader" : @"igl",
@"application/vnd.immervision-ivp" : @"ivp",
@"application/vnd.immervision-ivu" : @"ivu",
@"application/vnd.insors.igm" : @"igm",
@"application/vnd.intercon.formnet" : @"xpw",
@"application/vnd.intergeo" : @"i2g",
@"application/vnd.intu.qbo" : @"qbo",
@"application/vnd.intu.qfx" : @"qfx",
@"application/vnd.ipunplugged.rcprofile" : @"rcprofile",
@"application/vnd.irepository.package+xml" : @"irp",
@"application/vnd.is-xpr" : @"xpr",
@"application/vnd.isac.fcs" : @"fcs",
@"application/vnd.jam" : @"jam",
@"application/vnd.jcp.javame.midlet-rms" : @"rms",
@"application/vnd.jisp" : @"jisp",
@"application/vnd.joost.joda-archive" : @"joda",
@"application/vnd.kahootz" : @"ktz",
@"application/vnd.kde.karbon" : @"karbon",
@"application/vnd.kde.kchart" : @"chrt",
@"application/vnd.kde.kformula" : @"kfo",
@"application/vnd.kde.kivio" : @"flw",
@"application/vnd.kde.kontour" : @"kon",
@"application/vnd.kde.kpresenter" : @"kpr",
@"application/vnd.kde.kspread" : @"ksp",
@"application/vnd.kde.kword" : @"kwd",
@"application/vnd.kenameaapp" : @"htke",
@"application/vnd.kidspiration" : @"kia",
@"application/vnd.kinar" : @"kne",
@"application/vnd.koan" : @"skp",
@"application/vnd.kodak-descriptor" : @"sse",
@"application/vnd.las.las+xml" : @"lasxml",
@"application/vnd.llamagraphics.life-balance.desktop" : @"lbd",
@"application/vnd.llamagraphics.life-balance.exchange+xml" : @"lbe",
@"application/vnd.lotus-1-2-3" : @"123",
@"application/vnd.lotus-approach" : @"apr",
@"application/vnd.lotus-freelance" : @"pre",
@"application/vnd.lotus-notes" : @"nsf",
@"application/vnd.lotus-organizer" : @"org",
@"application/vnd.lotus-screencam" : @"scm",
@"application/vnd.lotus-wordpro" : @"lwp",
@"application/vnd.macports.portpkg" : @"portpkg",
@"application/vnd.mcd" : @"mcd",
@"application/vnd.medcalcdata" : @"mc1",
@"application/vnd.mediastation.cdkey" : @"cdkey",
@"application/vnd.mfer" : @"mwf",
@"application/vnd.mfmp" : @"mfm",
@"application/vnd.micrografx.flo" : @"flo",
@"application/vnd.micrografx.igx" : @"igx",
@"application/vnd.mif" : @"mif",
@"application/vnd.mobius.daf" : @"daf",
@"application/vnd.mobius.dis" : @"dis",
@"application/vnd.mobius.mbk" : @"mbk",
@"application/vnd.mobius.mqy" : @"mqy",
@"application/vnd.mobius.msl" : @"msl",
@"application/vnd.mobius.plc" : @"plc",
@"application/vnd.mobius.txf" : @"txf",
@"application/vnd.mophun.application" : @"mpn",
@"application/vnd.mophun.certificate" : @"mpc",
@"application/vnd.mozilla.xul+xml" : @"xul",
@"application/vnd.ms-artgalry" : @"cil",
@"application/vnd.ms-cab-compressed" : @"cab",
@"application/vnd.ms-excel" : @"xls",
@"application/vnd.ms-excel.addin.macroenabled.12" : @"xlam",
@"application/vnd.ms-excel.sheet.binary.macroenabled.12" : @"xlsb",
@"application/vnd.ms-excel.sheet.macroenabled.12" : @"xlsm",
@"application/vnd.ms-excel.template.macroenabled.12" : @"xltm",
@"application/vnd.ms-fontobject" : @"eot",
@"application/vnd.ms-htmlhelp" : @"chm",
@"application/vnd.ms-ims" : @"ims",
@"application/vnd.ms-lrm" : @"lrm",
@"application/vnd.ms-officetheme" : @"thmx",
@"application/vnd.ms-outlook" : @"msg",
@"application/vnd.ms-pki.certstore" : @"sst",
@"application/vnd.ms-pki.pko" : @"pko",
@"application/vnd.ms-pki.seccat" : @"cat",
@"application/vnd.ms-pki.stl" : @"stl",
@"application/vnd.ms-pkicertstore" : @"sst",
@"application/vnd.ms-pkiseccat" : @"cat",
@"application/vnd.ms-pkistl" : @"stl",
@"application/vnd.ms-powerpoint" : @"ppt",
@"application/vnd.ms-powerpoint.addin.macroenabled.12" : @"ppam",
@"application/vnd.ms-powerpoint.presentation.macroenabled.12" : @"pptm",
@"application/vnd.ms-powerpoint.slide.macroenabled.12" : @"sldm",
@"application/vnd.ms-powerpoint.slideshow.macroenabled.12" : @"ppsm",
@"application/vnd.ms-powerpoint.template.macroenabled.12" : @"potm",
@"application/vnd.ms-project" : @"mpp",
@"application/vnd.ms-word.document.macroenabled.12" : @"docm",
@"application/vnd.ms-word.template.macroenabled.12" : @"dotm",
@"application/vnd.ms-works" : @"wps",
@"application/vnd.ms-wpl" : @"wpl",
@"application/vnd.ms-xpsdocument" : @"xps",
@"application/vnd.mseq" : @"mseq",
@"application/vnd.musician" : @"mus",
@"application/vnd.muvee.style" : @"msty",
@"application/vnd.mynfc" : @"taglet",
@"application/vnd.neurolanguage.nlu" : @"nlu",
@"application/vnd.nitf" : @"ntf",
@"application/vnd.noblenet-directory" : @"nnd",
@"application/vnd.noblenet-sealer" : @"nns",
@"application/vnd.noblenet-web" : @"nnw",
@"application/vnd.nokia.configuration-message" : @"ncm",
@"application/vnd.nokia.n-gage.data" : @"ngdat",
@"application/vnd.nokia.n-gage.symbian.install" : @"n-gage",
@"application/vnd.nokia.radio-preset" : @"rpst",
@"application/vnd.nokia.radio-presets" : @"rpss",
@"application/vnd.nokia.ringing-tone" : @"rng",
@"application/vnd.novadigm.edm" : @"edm",
@"application/vnd.novadigm.edx" : @"edx",
@"application/vnd.novadigm.ext" : @"ext",
@"application/vnd.oasis.opendocument.chart" : @"odc",
@"application/vnd.oasis.opendocument.chart-template" : @"otc",
@"application/vnd.oasis.opendocument.database" : @"odb",
@"application/vnd.oasis.opendocument.formula" : @"odf",
@"application/vnd.oasis.opendocument.formula-template" : @"odft",
@"application/vnd.oasis.opendocument.graphics" : @"odg",
@"application/vnd.oasis.opendocument.graphics-template" : @"otg",
@"application/vnd.oasis.opendocument.image" : @"odi",
@"application/vnd.oasis.opendocument.image-template" : @"oti",
@"application/vnd.oasis.opendocument.presentation" : @"odp",
@"application/vnd.oasis.opendocument.presentation-template" : @"otp",
@"application/vnd.oasis.opendocument.spreadsheet" : @"ods",
@"application/vnd.oasis.opendocument.spreadsheet-template" : @"ots",
@"application/vnd.oasis.opendocument.text" : @"odt",
@"application/vnd.oasis.opendocument.text-master" : @"odm",
@"application/vnd.oasis.opendocument.text-template" : @"ott",
@"application/vnd.oasis.opendocument.text-web" : @"oth",
@"application/vnd.olpc-sugar" : @"xo",
@"application/vnd.oma.dd2+xml" : @"dd2",
@"application/vnd.openofficeorg.extension" : @"oxt",
@"application/vnd.openxmlformats-officedocument.presentationml.presentation" : @"pptx",
@"application/vnd.openxmlformats-officedocument.presentationml.slide" : @"sldx",
@"application/vnd.openxmlformats-officedocument.presentationml.slideshow" : @"ppsx",
@"application/vnd.openxmlformats-officedocument.presentationml.template" : @"potx",
@"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" : @"xlsx",
@"application/vnd.openxmlformats-officedocument.spreadsheetml.template" : @"xltx",
@"application/vnd.openxmlformats-officedocument.wordprocessingml.document" : @"docx",
@"application/vnd.openxmlformats-officedocument.wordprocessingml.template" : @"dotx",
@"application/vnd.osgeo.mapguide.package" : @"mgp",
@"application/vnd.osgi.dp" : @"dp",
@"application/vnd.osgi.subsystem" : @"esa",
@"application/vnd.palm" : @"pdb",
@"application/vnd.pawaafile" : @"paw",
@"application/vnd.pg.format" : @"str",
@"application/vnd.pg.osasli" : @"ei6",
@"application/vnd.picsel" : @"efif",
@"application/vnd.pmi.widget" : @"wg",
@"application/vnd.pocketlearn" : @"plf",
@"application/vnd.powerbuilder6" : @"pbd",
@"application/vnd.previewsystems.box" : @"box",
@"application/vnd.proteus.magazine" : @"mgz",
@"application/vnd.publishare-delta-tree" : @"qps",
@"application/vnd.pvi.ptid1" : @"ptid",
@"application/vnd.quark.quarkxpress" : @"qxd",
@"application/vnd.realvnc.bed" : @"bed",
@"application/vnd.recordare.musicxml" : @"mxl",
@"application/vnd.recordare.musicxml+xml" : @"musicxml",
@"application/vnd.rig.cryptonote" : @"cryptonote",
@"application/vnd.rim.cod" : @"cod",
@"application/vnd.rn-realmedia" : @"rm",
@"application/vnd.rn-realmedia-vbr" : @"rmvb",
@"application/vnd.rn-realplayer" : @"rnx",
@"application/vnd.route66.link66+xml" : @"link66",
@"application/vnd.sailingtracker.track" : @"st",
@"application/vnd.seemail" : @"see",
@"application/vnd.sema" : @"sema",
@"application/vnd.semd" : @"semd",
@"application/vnd.semf" : @"semf",
@"application/vnd.shana.informed.formdata" : @"ifm",
@"application/vnd.shana.informed.formtemplate" : @"itp",
@"application/vnd.shana.informed.interchange" : @"iif",
@"application/vnd.shana.informed.package" : @"ipk",
@"application/vnd.simtech-mindmapper" : @"twd",
@"application/vnd.smaf" : @"mmf",
@"application/vnd.smart.teacher" : @"teacher",
@"application/vnd.solent.sdkm+xml" : @"sdkm",
@"application/vnd.spotfire.dxp" : @"dxp",
@"application/vnd.spotfire.sfs" : @"sfs",
@"application/vnd.stardivision.calc" : @"sdc",
@"application/vnd.stardivision.draw" : @"sda",
@"application/vnd.stardivision.impress" : @"sdd",
@"application/vnd.stardivision.math" : @"smf",
@"application/vnd.stardivision.writer" : @"sdw",
@"application/vnd.stardivision.writer-global" : @"sgl",
@"application/vnd.stepmania.package" : @"smzip",
@"application/vnd.stepmania.stepchart" : @"sm",
@"application/vnd.sun.xml.calc" : @"sxc",
@"application/vnd.sun.xml.calc.template" : @"stc",
@"application/vnd.sun.xml.draw" : @"sxd",
@"application/vnd.sun.xml.draw.template" : @"std",
@"application/vnd.sun.xml.impress" : @"sxi",
@"application/vnd.sun.xml.impress.template" : @"sti",
@"application/vnd.sun.xml.math" : @"sxm",
@"application/vnd.sun.xml.writer" : @"sxw",
@"application/vnd.sun.xml.writer.global" : @"sxg",
@"application/vnd.sun.xml.writer.template" : @"stw",
@"application/vnd.sus-calendar" : @"sus",
@"application/vnd.svd" : @"svd",
@"application/vnd.symbian.install" : @"sis",
@"application/vnd.syncml+xml" : @"xsm",
@"application/vnd.syncml.dm+wbxml" : @"bdm",
@"application/vnd.syncml.dm+xml" : @"xdm",
@"application/vnd.tao.intent-module-archive" : @"tao",
@"application/vnd.tcpdump.pcap" : @"pcap",
@"application/vnd.tmobile-livetv" : @"tmo",
@"application/vnd.trid.tpt" : @"tpt",
@"application/vnd.triscape.mxs" : @"mxs",
@"application/vnd.trueapp" : @"tra",
@"application/vnd.ufdl" : @"ufd",
@"application/vnd.uiq.theme" : @"utz",
@"application/vnd.umajin" : @"umj",
@"application/vnd.unity" : @"unityweb",
@"application/vnd.uoml+xml" : @"uoml",
@"application/vnd.vcx" : @"vcx",
@"application/vnd.visio" : @"vsd",
@"application/vnd.visio2013" : @"vsdx",
@"application/vnd.visionary" : @"vis",
@"application/vnd.vsf" : @"vsf",
@"application/vnd.wap.wbxml" : @"wbxml",
@"application/vnd.wap.wmlc" : @"wmlc",
@"application/vnd.wap.wmlscriptc" : @"wmlsc",
@"application/vnd.webturbo" : @"wtb",
@"application/vnd.wolfram.player" : @"nbp",
@"application/vnd.wordperfect" : @"wpd",
@"application/vnd.wqd" : @"wqd",
@"application/vnd.wt.stf" : @"stf",
@"application/vnd.xara" : @"xar",
@"application/vnd.xfdl" : @"xfdl",
@"application/vnd.yamaha.hv-dic" : @"hvd",
@"application/vnd.yamaha.hv-script" : @"hvs",
@"application/vnd.yamaha.hv-voice" : @"hvp",
@"application/vnd.yamaha.openscoreformat" : @"osf",
@"application/vnd.yamaha.openscoreformat.osfpvg+xml" : @"osfpvg",
@"application/vnd.yamaha.smaf-audio" : @"saf",
@"application/vnd.yamaha.smaf-phrase" : @"spf",
@"application/vnd.yellowriver-custom-menu" : @"cmp",
@"application/vnd.zul" : @"zir",
@"application/vnd.zzazz.deck+xml" : @"zaz",
@"application/vocaltec-media-desc" : @"vmd",
@"application/vocaltec-media-file" : @"vmf",
@"application/voicexml+xml" : @"vxml",
@"application/widget" : @"wgt",
@"application/winhlp" : @"hlp",
@"application/wordperfect" : @"wp",
@"application/wordperfect6.0" : @"w60",
@"application/wordperfect6.1" : @"w61",
@"application/wsdl+xml" : @"wsdl",
@"application/wspolicy+xml" : @"wspolicy",
@"application/x-123" : @"wk1",
@"application/x-7z-compressed" : @"7z",
@"application/x-abiword" : @"abw",
@"application/x-ace-compressed" : @"ace",
@"application/x-aim" : @"aim",
@"application/x-apple-diskimage" : @"dmg",
@"application/x-authorware-bin" : @"aab",
@"application/x-authorware-map" : @"aam",
@"application/x-authorware-seg" : @"aas",
@"application/x-bcpio" : @"bcpio",
@"application/x-binary" : @"bin",
@"application/x-binhex40" : @"hqx",
@"application/x-bittorrent" : @"torrent",
@"application/x-blorb" : @"blb",
@"application/x-bsh" : @"sh",
@"application/x-bytecode.elisp" : @"elc",
@"application/x-bytecode.python" : @"pyc",
@"application/x-bzip" : @"bz",
@"application/x-bzip2" : @"bz2",
@"application/x-cbr" : @"cbr",
@"application/x-cdf" : @"cdf",
@"application/x-cdlink" : @"vcd",
@"application/x-cfs-compressed" : @"cfs",
@"application/x-chat" : @"chat",
@"application/x-chess-pgn" : @"pgn",
@"application/x-cmu-raster" : @"ras",
@"application/x-cocoa" : @"cco",
@"application/x-compactpro" : @"cpt",
@"application/x-compress" : @"z",
@"application/x-conference" : @"nsc",
@"application/x-cpio" : @"cpio",
@"application/x-cpt" : @"cpt",
@"application/x-csh" : @"csh",
@"application/x-debian-package" : @"deb",
@"application/x-deepv" : @"deepv",
@"application/x-dgc-compressed" : @"dgc",
@"application/x-director" : @"dir",
@"application/x-doom" : @"wad",
@"application/x-dtbncx+xml" : @"ncx",
@"application/x-dtbook+xml" : @"dtb",
@"application/x-dtbresource+xml" : @"res",
@"application/x-dvi" : @"dvi",
@"application/x-elc" : @"elc",
@"application/x-envoy" : @"evy",
@"application/x-esrehber" : @"es",
@"application/x-eva" : @"eva",
@"application/x-excel" : @"xls",
@"application/x-font-bdf" : @"bdf",
@"application/x-font-ghostscript" : @"gsf",
@"application/x-font-linux-psf" : @"psf",
@"application/x-font-otf" : @"otf",
@"application/x-font-pcf" : @"pcf",
@"application/x-font-snf" : @"snf",
@"application/x-font-ttf" : @"ttf",
@"application/x-font-type1" : @"pfa",
@"application/x-font-woff" : @"woff",
@"application/x-frame" : @"mif",
@"application/x-freearc" : @"arc",
@"application/x-freelance" : @"pre",
@"application/x-futuresplash" : @"spl",
@"application/x-gca-compressed" : @"gca",
@"application/x-glulx" : @"ulx",
@"application/x-gnumeric" : @"gnumeric",
@"application/x-gramps-xml" : @"gramps",
@"application/x-gsp" : @"gsp",
@"application/x-gss" : @"gss",
@"application/x-gtar" : @"gtar",
@"application/x-gzip" : @"gz",
@"application/x-hdf" : @"hdf",
@"application/x-httpd-imap" : @"imap",
@"application/x-ima" : @"ima",
@"application/x-install-instructions" : @"install",
@"application/x-internett-signup" : @"ins",
@"application/x-inventor" : @"iv",
@"application/x-ip2" : @"ip",
@"application/x-iphone" : @"iii",
@"application/x-iso9660-image" : @"iso",
@"application/x-java-class" : @"class",
@"application/x-java-commerce" : @"jcm",
@"application/x-java-jnlp-file" : @"jnlp",
@"application/x-javascript" : @"js",
@"application/x-ksh" : @"ksh",
@"application/x-latex" : @"ltx",
@"application/x-lha" : @"lha",
@"application/x-lisp" : @"lsp",
@"application/x-livescreen" : @"ivy",
@"application/x-lotus" : @"wq1",
@"application/x-lotusscreencam" : @"scm",
@"application/x-lzh" : @"lzh",
@"application/x-lzh-compressed" : @"lzh",
@"application/x-lzx" : @"lzx",
@"application/x-mac-binhex40" : @"hqx",
@"application/x-macbinary" : @"bin",
@"application/x-magic-cap-package-1.0" : @"mc$",
@"application/x-mathcad" : @"mcd",
@"application/x-meme" : @"mm",
@"application/x-midi" : @"midi",
@"application/x-mie" : @"mie",
@"application/x-mif" : @"mif",
@"application/x-mix-transfer" : @"nix",
@"application/x-mobipocket-ebook" : @"prc",
@"application/x-mplayer2" : @"asx",
@"application/x-ms-application" : @"application",
@"application/x-ms-shortcut" : @"lnk",
@"application/x-ms-wmd" : @"wmd",
@"application/x-ms-wmz" : @"wmz",
@"application/x-ms-xbap" : @"xbap",
@"application/x-msaccess" : @"mdb",
@"application/x-msbinder" : @"obd",
@"application/x-mscardfile" : @"crd",
@"application/x-msclip" : @"clp",
@"application/x-msdownload" : @"exe",
@"application/x-msexcel" : @"xls",
@"application/x-msmediaview" : @"mvb",
@"application/x-msmetafile" : @"wmf",
@"application/x-msmoney" : @"mny",
@"application/x-mspowerpoint" : @"ppt",
@"application/x-mspublisher" : @"pub",
@"application/x-msschedule" : @"scd",
@"application/x-msterminal" : @"trm",
@"application/x-mswrite" : @"wri",
@"application/x-navi-animation" : @"ani",
@"application/x-navidoc" : @"nvd",
@"application/x-navimap" : @"map",
@"application/x-navistyle" : @"stl",
@"application/x-netcdf" : @"nc",
@"application/x-newton-compatible-pkg" : @"pkg",
@"application/x-nokia-9000-communicator-add-on-software" : @"aos",
@"application/x-nzb" : @"nzb",
@"application/x-omc" : @"omc",
@"application/x-omcdatamaker" : @"omcd",
@"application/x-omcregerator" : @"omcr",
@"application/x-pcl" : @"pcl",
@"application/x-pixclscript" : @"plx",
@"application/x-pkcs10" : @"p10",
@"application/x-pkcs12" : @"p12",
@"application/x-pkcs7-certificates" : @"p7b",
@"application/x-pkcs7-certreqresp" : @"p7r",
@"application/x-pkcs7-mime" : @"p7m",
@"application/x-pkcs7-signature" : @"p7s",
@"application/x-pointplus" : @"css",
@"application/x-portable-anymap" : @"pnm",
@"application/x-qpro" : @"wb1",
@"application/x-rar-compressed" : @"rar",
@"application/x-research-info-systems" : @"ris",
@"application/x-rtf" : @"rtf",
@"application/x-sdp" : @"sdp",
@"application/x-sea" : @"sea",
@"application/x-seelogo" : @"sl",
@"application/x-sh" : @"sh",
@"application/x-shar" : @"shar",
@"application/x-shockwave-flash" : @"swf",
@"application/x-silverlight-app" : @"xap",
@"application/x-sit" : @"sit",
@"application/x-sprite" : @"spr",
@"application/x-sql" : @"sql",
@"application/x-stuffit" : @"sit",
@"application/x-stuffitx" : @"sitx",
@"application/x-subrip" : @"srt",
@"application/x-sv4cpio" : @"sv4cpio",
@"application/x-sv4crc" : @"sv4crc",
@"application/x-t3vm-image" : @"t3",
@"application/x-tads" : @"gam",
@"application/x-tar" : @"tar",
@"application/x-tbook" : @"tbk",
@"application/x-tcl" : @"tcl",
@"application/x-tex" : @"tex",
@"application/x-tex-tfm" : @"tfm",
@"application/x-texinfo" : @"texinfo",
@"application/x-tgif" : @"obj",
@"application/x-troff-man" : @"man",
@"application/x-troff-me" : @"me",
@"application/x-troff-ms" : @"ms",
@"application/x-troff-msvideo" : @"avi",
@"application/x-ustar" : @"ustar",
@"application/x-visio" : @"vsd",
@"application/x-vnd.audioexplosion.mzz" : @"mzz",
@"application/x-vnd.ls-xpix" : @"xpix",
@"application/x-vrml" : @"vrml",
@"application/x-wais-source" : @"src",
@"application/x-winhelp" : @"hlp",
@"application/x-wintalk" : @"wtk",
@"application/x-wpwin" : @"wpd",
@"application/x-wri" : @"wri",
@"application/x-x509-ca-cert" : @"crt",
@"application/x-x509-user-cert" : @"crt",
@"application/x-xfig" : @"fig",
@"application/x-xliff+xml" : @"xlf",
@"application/x-xpinstall" : @"xpi",
@"application/x-xz" : @"xz",
@"application/x-zip-compressed" : @"zip",
@"application/x-zmachine" : @"z1",
@"application/xaml+xml" : @"xaml",
@"application/xcap-diff+xml" : @"xdf",
@"application/xenc+xml" : @"xenc",
@"application/xhtml+xml" : @"xhtml",
@"application/xml" : @"xml",
@"application/xml-dtd" : @"dtd",
@"application/xop+xml" : @"xop",
@"application/xproc+xml" : @"xpl",
@"application/xslt+xml" : @"xslt",
@"application/xspf+xml" : @"xspf",
@"application/xv+xml" : @"mxml",
@"application/yang" : @"yang",
@"application/yin+xml" : @"yin",
@"application/ynd.ms-pkipko" : @"pko",
OWSMimeTypeApplicationZip : @"zip",
@"audio/aac" : @"aac",
@"audio/adpcm" : @"adp",
@"audio/aiff" : @"aiff",
@"audio/basic" : @"au",
@"audio/it" : @"it",
@"audio/mid" : @"rmi",
@"audio/midi" : @"midi",
@"audio/mod" : @"mod",
@"audio/mp4" : @"m4a",
@"audio/mpeg" : @"mpg",
@"audio/mpeg3" : @"mp3",
@"audio/ogg" : @"oga",
@"audio/s3m" : @"s3m",
@"audio/silk" : @"sil",
@"audio/tsp-audio" : @"tsi",
@"audio/tsplayer" : @"tsp",
@"audio/vnd.dece.audio" : @"uva",
@"audio/vnd.digital-winds" : @"eol",
@"audio/vnd.dra" : @"dra",
@"audio/vnd.dts" : @"dts",
@"audio/vnd.dts.hd" : @"dtshd",
@"audio/vnd.lucent.voice" : @"lvp",
@"audio/vnd.ms-playready.media.pya" : @"pya",
@"audio/vnd.nuera.ecelp4800" : @"ecelp4800",
@"audio/vnd.nuera.ecelp7470" : @"ecelp7470",
@"audio/vnd.nuera.ecelp9600" : @"ecelp9600",
@"audio/vnd.qcelp" : @"qcp",
@"audio/vnd.rip" : @"rip",
@"audio/voc" : @"voc",
@"audio/voxware" : @"vox",
@"audio/wav" : @"wav",
@"audio/webm" : @"weba",
@"audio/x-aac" : @"aac",
@"audio/x-adpcm" : @"snd",
@"audio/x-aiff" : @"aiff",
@"audio/x-au" : @"au",
@"audio/x-caf" : @"caf",
@"audio/x-flac" : @"flac",
@"audio/x-gsm" : @"gsm",
@"audio/x-jam" : @"jam",
@"audio/x-liveaudio" : @"lam",
@"audio/x-matroska" : @"mka",
@"audio/x-mid" : @"midi",
@"audio/x-midi" : @"midi",
@"audio/x-mod" : @"mod",
@"audio/x-mpeg" : @"mp2",
@"audio/x-mpeg-3" : @"mp3",
@"audio/x-mpegurl" : @"m3u",
@"audio/x-mpequrl" : @"m3u",
@"audio/x-ms-wax" : @"wax",
@"audio/x-ms-wma" : @"wma",
@"audio/x-pn-realaudio" : @"ram",
@"audio/x-pn-realaudio-plugin" : @"rmp",
@"audio/x-psid" : @"sid",
@"audio/x-realaudio" : @"ra",
@"audio/x-twinvq" : @"vqf",
@"audio/x-vnd.audioexplosion.mjuicemediafile" : @"mjf",
@"audio/x-voc" : @"voc",
@"audio/x-wav" : @"wav",
@"audio/xm" : @"xm",
@"chemical/x-cdx" : @"cdx",
@"chemical/x-cif" : @"cif",
@"chemical/x-cmdf" : @"cmdf",
@"chemical/x-cml" : @"cml",
@"chemical/x-csml" : @"csml",
@"chemical/x-pdb" : @"pdb",
@"chemical/x-xyz" : @"xyz",
@"drawing/x-dwf" : @"dwf",
@"font/ttf" : @"ttf",
@"font/woff" : @"woff",
@"font/woff2" : @"woff2",
@"i-world/i-vrml" : @"ivr",
@"image/bmp" : @"bmp",
@"image/cgm" : @"cgm",
@"image/cis-cod" : @"cod",
@"image/fif" : @"fif",
@"image/g3fax" : @"g3",
@"image/gif" : @"gif",
@"image/ief" : @"ief",
@"image/jpeg" : @"jpg",
@"image/jutvision" : @"jut",
@"image/ktx" : @"ktx",
@"image/pict" : @"pict",
@"image/pjpeg" : @"jpg",
@"image/png" : @"png",
@"image/prs.btif" : @"btif",
@"image/sgi" : @"sgi",
@"image/svg+xml" : @"svg",
@"image/tiff" : @"tiff",
@"image/vasa" : @"mcf",
@"image/vnd.adobe.photoshop" : @"psd",
@"image/vnd.dece.graphic" : @"uvi",
@"image/vnd.djvu" : @"djvu",
@"image/vnd.dvb.subtitle" : @"sub",
@"image/vnd.dwg" : @"dwg",
@"image/vnd.dxf" : @"dxf",
@"image/vnd.fastbidsheet" : @"fbs",
@"image/vnd.fpx" : @"fpx",
@"image/vnd.fst" : @"fst",
@"image/vnd.fujixerox.edmics-mmr" : @"mmr",
@"image/vnd.fujixerox.edmics-rlc" : @"rlc",
@"image/vnd.ms-modi" : @"mdi",
@"image/vnd.ms-photo" : @"wdp",
@"image/vnd.net-fpx" : @"fpx",
@"image/vnd.rn-realflash" : @"rf",
@"image/vnd.rn-realpix" : @"rp",
@"image/vnd.wap.wbmp" : @"wbmp",
@"image/vnd.xiff" : @"xif",
@"image/webp" : @"webp",
@"image/x-3ds" : @"3ds",
@"image/x-citrix-jpeg" : @"jpg",
@"image/x-citrix-png" : @"png",
@"image/x-cmu-raster" : @"ras",
@"image/x-cmx" : @"cmx",
@"image/x-dwg" : @"dwg",
@"image/x-freehand" : @"fh",
@"image/x-icon" : @"ico",
@"image/x-jg" : @"art",
@"image/x-jps" : @"jps",
@"image/x-mrsid-image" : @"sid",
@"image/x-niff" : @"niff",
@"image/x-pcx" : @"pcx",
@"image/x-pict" : @"pic",
@"image/x-png" : @"png",
@"image/x-portable-anymap" : @"pnm",
@"image/x-portable-bitmap" : @"pbm",
@"image/x-portable-graymap" : @"pgm",
@"image/x-portable-greymap" : @"pgm",
@"image/x-portable-pixmap" : @"ppm",
@"image/x-rgb" : @"rgb",
@"image/x-tga" : @"tga",
@"image/x-tiff" : @"tiff",
@"image/x-windows-bmp" : @"bmp",
@"image/x-xbitmap" : @"xbm",
@"image/x-xbm" : @"xbm",
@"image/x-xpixmap" : @"xpm",
@"image/x-xwd" : @"xwd",
@"image/x-xwindowdump" : @"xwd",
@"image/xbm" : @"xbm",
@"image/xpm" : @"xpm",
@"message/rfc822" : @"eml",
@"model/iges" : @"iges",
@"model/mesh" : @"msh",
@"model/vnd.collada+xml" : @"dae",
@"model/vnd.dwf" : @"dwf",
@"model/vnd.gdl" : @"gdl",
@"model/vnd.gtw" : @"gtw",
@"model/vnd.mts" : @"mts",
@"model/vnd.vtu" : @"vtu",
@"model/vrml" : @"vrml",
@"model/x-pov" : @"pov",
@"model/x3d+binary" : @"x3db",
@"model/x3d+vrml" : @"x3dv",
@"model/x3d+xml" : @"x3d",
@"multipart/x-gzip" : @"gzip",
@"multipart/x-ustar" : @"ustar",
@"multipart/x-zip" : @"zip",
@"music/x-karaoke" : @"kar",
@"paleovu/x-pv" : @"pvu",
@"text/asp" : @"asp",
@"text/cache-manifest" : @"appcache",
@"text/calendar" : @"ics",
@"text/css" : @"css",
@"text/csv" : @"csv",
@"text/ecmascript" : @"js",
@"text/h323" : @"323",
@"text/html" : @"html",
@"text/iuls" : @"uls",
@"text/java" : @"java",
@"text/javascript" : @"js",
@"text/mcf" : @"mcf",
@"text/n3" : @"n3",
@"text/pascal" : @"pas",
@"text/plain" : @"txt",
@"text/plain-bas" : @"par",
@"text/prs.lines.logTag" : @"dsc",
@"text/richtext" : @"rtf",
@"text/scriplet" : @"wsc",
@"text/scriptlet" : @"sct",
@"text/sgml" : @"sgml",
@"text/tab-separated-values" : @"tsv",
@"text/troff" : @"t",
@"text/turtle" : @"ttl",
@"text/uri-list" : @"uri",
@"text/vcard" : @"vcard",
@"text/vnd.abc" : @"abc",
@"text/vnd.curl" : @"curl",
@"text/vnd.curl.dcurl" : @"dcurl",
@"text/vnd.curl.mcurl" : @"mcurl",
@"text/vnd.curl.scurl" : @"scurl",
@"text/vnd.dvb.subtitle" : @"sub",
@"text/vnd.fly" : @"fly",
@"text/vnd.fmi.flexstor" : @"flx",
@"text/vnd.graphviz" : @"gv",
@"text/vnd.in3d.3dml" : @"3dml",
@"text/vnd.in3d.spot" : @"spot",
@"text/vnd.rn-realtext" : @"rt",
@"text/vnd.sun.j2me.app-descriptor" : @"jad",
@"text/vnd.wap.wml" : @"wml",
@"text/vnd.wap.wmlscript" : @"wmls",
@"text/webviewhtml" : @"htt",
@"text/x-asm" : @"asm",
@"text/x-audiosoft-intra" : @"aip",
@"text/x-c" : @"c",
@"text/x-component" : @"htc",
@"text/x-fortran" : @"f",
@"text/x-h" : @"h",
@"text/x-java-source" : @"java",
@"text/x-la-asf" : @"lsx",
@"text/x-m" : @"m",
@"text/x-nfo" : @"nfo",
@"text/x-opml" : @"opml",
@"text/x-pascal" : @"p",
@"text/x-script" : @"hlb",
@"text/x-script.csh" : @"csh",
@"text/x-script.elisp" : @"el",
@"text/x-script.guile" : @"scm",
@"text/x-script.ksh" : @"ksh",
@"text/x-script.lisp" : @"lsp",
@"text/x-script.perl" : @"pl",
@"text/x-script.perl-module" : @"pm",
@"text/x-script.phyton" : @"py",
@"text/x-script.rexx" : @"rexx",
@"text/x-script.scheme" : @"scm",
@"text/x-script.sh" : @"sh",
@"text/x-script.tcl" : @"tcl",
@"text/x-script.tcsh" : @"tcsh",
@"text/x-script.zsh" : @"zsh",
@"text/x-setext" : @"etx",
@"text/x-sfv" : @"sfv",
@"text/x-sgml" : @"sgml",
@"text/x-uil" : @"uil",
@"text/x-uuencode" : @"uu",
@"text/x-vcalendar" : @"vcs",
@"text/x-vcard" : @"vcf",
@"text/xml" : @"xml",
@"text/yaml" : @"yaml",
@"video/3gpp" : @"3gp",
@"video/3gpp2" : @"3g2",
@"video/animaflex" : @"afl",
@"video/avi" : @"avi",
@"video/avs-video" : @"avs",
@"video/dl" : @"dl",
@"video/fli" : @"fli",
@"video/gl" : @"gl",
@"video/h261" : @"h261",
@"video/h263" : @"h263",
@"video/h264" : @"h264",
@"video/jpeg" : @"jpgv",
@"video/jpm" : @"jpm",
@"video/mj2" : @"mj2",
@"video/mp4" : @"mp4",
@"video/mpeg" : @"mpg",
@"video/msvideo" : @"avi",
@"video/ogg" : @"ogv",
@"video/quicktime" : @"mov",
@"video/vdo" : @"vdo",
@"video/vnd.dece.hd" : @"uvh",
@"video/vnd.dece.mobile" : @"uvm",
@"video/vnd.dece.pd" : @"uvp",
@"video/vnd.dece.sd" : @"uvs",
@"video/vnd.dece.video" : @"uvv",
@"video/vnd.dvb.file" : @"dvb",
@"video/vnd.fvt" : @"fvt",
@"video/vnd.mpegurl" : @"mxu",
@"video/vnd.ms-playready.media.pyv" : @"pyv",
@"video/vnd.rn-realvideo" : @"rv",
@"video/vnd.uvvu.mp4" : @"uvu",
@"video/vnd.vivo" : @"viv",
@"video/vosaic" : @"vos",
@"video/webm" : @"webm",
@"video/x-amt-demorun" : @"xdr",
@"video/x-amt-showrun" : @"xsr",
@"video/x-atomic3d-feature" : @"fmf",
@"video/x-dl" : @"dl",
@"video/x-dv" : @"dv",
@"video/x-f4v" : @"f4v",
@"video/x-fli" : @"fli",
@"video/x-flv" : @"flv",
@"video/x-gl" : @"gl",
@"video/x-isvideo" : @"isu",
@"video/x-la-asf" : @"lsf",
@"video/x-m4v" : @"m4v",
@"video/x-matroska" : @"mkv",
@"video/x-mng" : @"mng",
@"video/x-motion-jpeg" : @"mjpg",
@"video/x-mpeg" : @"mpg",
@"video/x-mpeq2a" : @"mp2",
@"video/x-ms-asf" : @"asf",
@"video/x-ms-asf-plugin" : @"asx",
@"video/x-ms-vob" : @"vob",
@"video/x-ms-wm" : @"wm",
@"video/x-ms-wmv" : @"wmv",
@"video/x-ms-wmx" : @"wmx",
@"video/x-ms-wvx" : @"wvx",
@"video/x-msvideo" : @"avi",
@"video/x-qtc" : @"qtc",
@"video/x-scm" : @"scm",
@"video/x-sgi-movie" : @"movie",
@"video/x-smv" : @"smv",
@"windows/metafile" : @"wmf",
@"www/mime" : @"mime",
@"x-conference/x-cooltalk" : @"ice",
@"x-music/x-midi" : @"midi",
@"x-world/x-3dmf" : @"3dmf",
@"x-world/x-svr" : @"svr",
@"x-world/x-vrml" : @"vrml",
@"x-world/x-vrt" : @"vrt",
@"xgl/drawing" : @"xgz",
@"xgl/movie" : @"xmz",
};
});
return result;
}
+ (nullable NSString *)mimeTypeForFileExtension:(NSString *)fileExtension
{
return [self genericExtensionTypesToMIMETypes][fileExtension];
}
+ (NSDictionary *)genericExtensionTypesToMIMETypes
{
static NSDictionary *result = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
result = @{
@"123" : @"application/vnd.lotus-1-2-3",
@"3dml" : @"text/vnd.in3d.3dml",
@"3ds" : @"image/x-3ds",
@"3g2" : @"video/3gpp2",
@"3gp" : @"video/3gpp",
@"7z" : @"application/x-7z-compressed",
@"aab" : @"application/x-authorware-bin",
@"aac" : @"audio/x-aac",
@"aam" : @"application/x-authorware-map",
@"aas" : @"application/x-authorware-seg",
@"abw" : @"application/x-abiword",
@"ac" : @"application/pkix-attr-cert",
@"acc" : @"application/vnd.americandynamics.acc",
@"ace" : @"application/x-ace-compressed",
@"acu" : @"application/vnd.acucobol",
@"acutc" : @"application/vnd.acucorp",
@"adp" : @"audio/adpcm",
@"aep" : @"application/vnd.audiograph",
@"afm" : @"application/x-font-type1",
@"afp" : @"application/vnd.ibm.modcap",
@"ahead" : @"application/vnd.ahead.space",
@"ai" : @"application/postscript",
@"aif" : @"audio/x-aiff",
@"aifc" : @"audio/x-aiff",
@"aiff" : @"audio/x-aiff",
@"air" : @"application/vnd.adobe.air-application-installer-package+zip",
@"ait" : @"application/vnd.dvb.ait",
@"ami" : @"application/vnd.amiga.ami",
@"apk" : @"application/vnd.android.package-archive",
@"appcache" : @"text/cache-manifest",
@"application" : @"application/x-ms-application",
@"apr" : @"application/vnd.lotus-approach",
@"arc" : @"application/x-freearc",
@"asc" : @"application/pgp-signature",
@"asf" : @"video/x-ms-asf",
@"asm" : @"text/x-asm",
@"aso" : @"application/vnd.accpac.simply.aso",
@"asx" : @"video/x-ms-asf",
@"atc" : @"application/vnd.acucorp",
@"atom" : @"application/atom+xml",
@"atomcat" : @"application/atomcat+xml",
@"atomsvc" : @"application/atomsvc+xml",
@"atx" : @"application/vnd.antix.game-component",
@"au" : @"audio/basic",
@"avi" : @"video/x-msvideo",
@"aw" : @"application/applixware",
@"azf" : @"application/vnd.airzip.filesecure.azf",
@"azs" : @"application/vnd.airzip.filesecure.azs",
@"azw" : @"application/vnd.amazon.ebook",
@"bat" : @"application/x-msdownload",
@"bcpio" : @"application/x-bcpio",
@"bdf" : @"application/x-font-bdf",
@"bdm" : @"application/vnd.syncml.dm+wbxml",
@"bed" : @"application/vnd.realvnc.bed",
@"bh2" : @"application/vnd.fujitsu.oasysprs",
@"bin" : @"application/octet-stream",
@"blb" : @"application/x-blorb",
@"blorb" : @"application/x-blorb",
@"bmi" : @"application/vnd.bmi",
@"bmp" : @"image/bmp",
@"book" : @"application/vnd.framemaker",
@"box" : @"application/vnd.previewsystems.box",
@"boz" : @"application/x-bzip2",
@"bpk" : @"application/octet-stream",
@"btif" : @"image/prs.btif",
@"bz" : @"application/x-bzip",
@"bz2" : @"application/x-bzip2",
@"c" : @"text/x-c",
@"c11amc" : @"application/vnd.cluetrust.cartomobile-config",
@"c11amz" : @"application/vnd.cluetrust.cartomobile-config-pkg",
@"c4d" : @"application/vnd.clonk.c4group",
@"c4f" : @"application/vnd.clonk.c4group",
@"c4g" : @"application/vnd.clonk.c4group",
@"c4p" : @"application/vnd.clonk.c4group",
@"c4u" : @"application/vnd.clonk.c4group",
@"cab" : @"application/vnd.ms-cab-compressed",
@"caf" : @"audio/x-caf",
@"cap" : @"application/vnd.tcpdump.pcap",
@"car" : @"application/vnd.curl.car",
@"cat" : @"application/vnd.ms-pki.seccat",
@"cb7" : @"application/x-cbr",
@"cba" : @"application/x-cbr",
@"cbr" : @"application/x-cbr",
@"cbt" : @"application/x-cbr",
@"cbz" : @"application/x-cbr",
@"cc" : @"text/x-c",
@"cct" : @"application/x-director",
@"ccxml" : @"application/ccxml+xml",
@"cdbcmsg" : @"application/vnd.contact.cmsg",
@"cdf" : @"application/x-netcdf",
@"cdkey" : @"application/vnd.mediastation.cdkey",
@"cdmia" : @"application/cdmi-capability",
@"cdmic" : @"application/cdmi-container",
@"cdmid" : @"application/cdmi-domain",
@"cdmio" : @"application/cdmi-object",
@"cdmiq" : @"application/cdmi-queue",
@"cdx" : @"chemical/x-cdx",
@"cdxml" : @"application/vnd.chemdraw+xml",
@"cdy" : @"application/vnd.cinderella",
@"cer" : @"application/pkix-cert",
@"cfs" : @"application/x-cfs-compressed",
@"cgm" : @"image/cgm",
@"chat" : @"application/x-chat",
@"chm" : @"application/vnd.ms-htmlhelp",
@"chrt" : @"application/vnd.kde.kchart",
@"cif" : @"chemical/x-cif",
@"cii" : @"application/vnd.anser-web-certificate-issue-initiation",
@"cil" : @"application/vnd.ms-artgalry",
@"cla" : @"application/vnd.claymore",
@"class" : @"application/java-vm",
@"clkk" : @"application/vnd.crick.clicker.keyboard",
@"clkp" : @"application/vnd.crick.clicker.palette",
@"clkt" : @"application/vnd.crick.clicker.template",
@"clkw" : @"application/vnd.crick.clicker.wordbank",
@"clkx" : @"application/vnd.crick.clicker",
@"clp" : @"application/x-msclip",
@"cmc" : @"application/vnd.cosmocaller",
@"cmdf" : @"chemical/x-cmdf",
@"cml" : @"chemical/x-cml",
@"cmp" : @"application/vnd.yellowriver-custom-menu",
@"cmx" : @"image/x-cmx",
@"cod" : @"application/vnd.rim.cod",
@"com" : @"application/x-msdownload",
@"conf" : @"text/plain",
@"cpio" : @"application/x-cpio",
@"cpp" : @"text/x-c",
@"cpt" : @"application/mac-compactpro",
@"crd" : @"application/x-mscardfile",
@"crl" : @"application/pkix-crl",
@"crt" : @"application/x-x509-ca-cert",
@"cryptonote" : @"application/vnd.rig.cryptonote",
@"csh" : @"application/x-csh",
@"csml" : @"chemical/x-csml",
@"csp" : @"application/vnd.commonspace",
@"css" : @"text/css",
@"cst" : @"application/x-director",
@"csv" : @"text/csv",
@"cu" : @"application/cu-seeme",
@"curl" : @"text/vnd.curl",
@"cww" : @"application/prs.cww",
@"cxt" : @"application/x-director",
@"cxx" : @"text/x-c",
@"dae" : @"model/vnd.collada+xml",
@"daf" : @"application/vnd.mobius.daf",
@"dart" : @"application/vnd.dart",
@"dataless" : @"application/vnd.fdsn.seed",
@"davmount" : @"application/davmount+xml",
@"dbk" : @"application/docbook+xml",
@"dcr" : @"application/x-director",
@"dcurl" : @"text/vnd.curl.dcurl",
@"dd2" : @"application/vnd.oma.dd2+xml",
@"ddd" : @"application/vnd.fujixerox.ddd",
@"deb" : @"application/x-debian-package",
@"def" : @"text/plain",
@"deploy" : @"application/octet-stream",
@"der" : @"application/x-x509-ca-cert",
@"dfac" : @"application/vnd.dreamfactory",
@"dgc" : @"application/x-dgc-compressed",
@"dic" : @"text/x-c",
@"dir" : @"application/x-director",
@"dis" : @"application/vnd.mobius.dis",
@"dist" : @"application/octet-stream",
@"distz" : @"application/octet-stream",
@"djv" : @"image/vnd.djvu",
@"djvu" : @"image/vnd.djvu",
@"dll" : @"application/x-msdownload",
@"dmg" : @"application/x-apple-diskimage",
@"dmp" : @"application/vnd.tcpdump.pcap",
@"dms" : @"application/octet-stream",
@"dna" : @"application/vnd.dna",
@"doc" : @"application/msword",
@"docm" : @"application/vnd.ms-word.document.macroenabled.12",
@"docx" : @"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
@"dot" : @"application/msword",
@"dotm" : @"application/vnd.ms-word.template.macroenabled.12",
@"dotx" : @"application/vnd.openxmlformats-officedocument.wordprocessingml.template",
@"dp" : @"application/vnd.osgi.dp",
@"dpg" : @"application/vnd.dpgraph",
@"dra" : @"audio/vnd.dra",
@"dsc" : @"text/prs.lines.logTag",
@"dssc" : @"application/dssc+der",
@"dtb" : @"application/x-dtbook+xml",
@"dtd" : @"application/xml-dtd",
@"dts" : @"audio/vnd.dts",
@"dtshd" : @"audio/vnd.dts.hd",
@"dump" : @"application/octet-stream",
@"dvb" : @"video/vnd.dvb.file",
@"dvi" : @"application/x-dvi",
@"dwf" : @"model/vnd.dwf",
@"dwg" : @"image/vnd.dwg",
@"dxf" : @"image/vnd.dxf",
@"dxp" : @"application/vnd.spotfire.dxp",
@"dxr" : @"application/x-director",
@"ecelp4800" : @"audio/vnd.nuera.ecelp4800",
@"ecelp7470" : @"audio/vnd.nuera.ecelp7470",
@"ecelp9600" : @"audio/vnd.nuera.ecelp9600",
@"ecma" : @"application/ecmascript",
@"edm" : @"application/vnd.novadigm.edm",
@"edx" : @"application/vnd.novadigm.edx",
@"efif" : @"application/vnd.picsel",
@"ei6" : @"application/vnd.pg.osasli",
@"elc" : @"application/octet-stream",
@"emf" : @"application/x-msmetafile",
@"eml" : @"message/rfc822",
@"emma" : @"application/emma+xml",
@"emz" : @"application/x-msmetafile",
@"eol" : @"audio/vnd.digital-winds",
@"eot" : @"application/vnd.ms-fontobject",
@"eps" : @"application/postscript",
@"epub" : @"application/epub+zip",
@"es3" : @"application/vnd.eszigno3+xml",
@"esa" : @"application/vnd.osgi.subsystem",
@"esf" : @"application/vnd.epson.esf",
@"et3" : @"application/vnd.eszigno3+xml",
@"etx" : @"text/x-setext",
@"eva" : @"application/x-eva",
@"evy" : @"application/x-envoy",
@"exe" : @"application/x-msdownload",
@"exi" : @"application/exi",
@"ext" : @"application/vnd.novadigm.ext",
@"ez" : @"application/andrew-inset",
@"ez2" : @"application/vnd.ezpix-album",
@"ez3" : @"application/vnd.ezpix-package",
@"f" : @"text/x-fortran",
@"f4v" : @"video/x-f4v",
@"f77" : @"text/x-fortran",
@"f90" : @"text/x-fortran",
@"fbs" : @"image/vnd.fastbidsheet",
@"fcdt" : @"application/vnd.adobe.formscentral.fcdt",
@"fcs" : @"application/vnd.isac.fcs",
@"fdf" : @"application/vnd.fdf",
@"fe_launch" : @"application/vnd.denovo.fcselayout-link",
@"fg5" : @"application/vnd.fujitsu.oasysgp",
@"fgd" : @"application/x-director",
@"fh" : @"image/x-freehand",
@"fh4" : @"image/x-freehand",
@"fh5" : @"image/x-freehand",
@"fh7" : @"image/x-freehand",
@"fhc" : @"image/x-freehand",
@"fig" : @"application/x-xfig",
@"flac" : @"audio/x-flac",
@"fli" : @"video/x-fli",
@"flo" : @"application/vnd.micrografx.flo",
@"flv" : @"video/x-flv",
@"flw" : @"application/vnd.kde.kivio",
@"flx" : @"text/vnd.fmi.flexstor",
@"fly" : @"text/vnd.fly",
@"fm" : @"application/vnd.framemaker",
@"fnc" : @"application/vnd.frogans.fnc",
@"for" : @"text/x-fortran",
@"fpx" : @"image/vnd.fpx",
@"frame" : @"application/vnd.framemaker",
@"fsc" : @"application/vnd.fsc.weblaunch",
@"fst" : @"image/vnd.fst",
@"ftc" : @"application/vnd.fluxtime.clip",
@"fti" : @"application/vnd.anser-web-funds-transfer-initiation",
@"fvt" : @"video/vnd.fvt",
@"fxp" : @"application/vnd.adobe.fxp",
@"fxpl" : @"application/vnd.adobe.fxp",
@"fzs" : @"application/vnd.fuzzysheet",
@"g2w" : @"application/vnd.geoplan",
@"g3" : @"image/g3fax",
@"g3w" : @"application/vnd.geospace",
@"gac" : @"application/vnd.groove-account",
@"gam" : @"application/x-tads",
@"gbr" : @"application/rpki-ghostbusters",
@"gca" : @"application/x-gca-compressed",
@"gdl" : @"model/vnd.gdl",
@"geo" : @"application/vnd.dynageo",
@"gex" : @"application/vnd.geometry-explorer",
@"ggb" : @"application/vnd.geogebra.file",
@"ggt" : @"application/vnd.geogebra.tool",
@"ghf" : @"application/vnd.groove-help",
@"gif" : @"image/gif",
@"gim" : @"application/vnd.groove-identity-message",
@"gml" : @"application/gml+xml",
@"gmx" : @"application/vnd.gmx",
@"gnumeric" : @"application/x-gnumeric",
@"gph" : @"application/vnd.flographit",
@"gpx" : @"application/gpx+xml",
@"gqf" : @"application/vnd.grafeq",
@"gqs" : @"application/vnd.grafeq",
@"gram" : @"application/srgs",
@"gramps" : @"application/x-gramps-xml",
@"gre" : @"application/vnd.geometry-explorer",
@"grv" : @"application/vnd.groove-injector",
@"grxml" : @"application/srgs+xml",
@"gsf" : @"application/x-font-ghostscript",
@"gtar" : @"application/x-gtar",
@"gtm" : @"application/vnd.groove-tool-message",
@"gtw" : @"model/vnd.gtw",
@"gv" : @"text/vnd.graphviz",
@"gxf" : @"application/gxf",
@"gxt" : @"application/vnd.geonext",
@"h" : @"text/x-c",
@"h261" : @"video/h261",
@"h263" : @"video/h263",
@"h264" : @"video/h264",
@"hal" : @"application/vnd.hal+xml",
@"hbci" : @"application/vnd.hbci",
@"hdf" : @"application/x-hdf",
@"hh" : @"text/x-c",
@"hlp" : @"application/winhlp",
@"hpgl" : @"application/vnd.hp-hpgl",
@"hpid" : @"application/vnd.hp-hpid",
@"hps" : @"application/vnd.hp-hps",
@"hqx" : @"application/mac-binhex40",
@"htke" : @"application/vnd.kenameaapp",
@"htm" : @"text/html",
@"html" : @"text/html",
@"hvd" : @"application/vnd.yamaha.hv-dic",
@"hvp" : @"application/vnd.yamaha.hv-voice",
@"hvs" : @"application/vnd.yamaha.hv-script",
@"i2g" : @"application/vnd.intergeo",
@"icc" : @"application/vnd.iccprofile",
@"ice" : @"x-conference/x-cooltalk",
@"icm" : @"application/vnd.iccprofile",
@"ico" : @"image/x-icon",
@"ics" : @"text/calendar",
@"ief" : @"image/ief",
@"ifb" : @"text/calendar",
@"ifm" : @"application/vnd.shana.informed.formdata",
@"iges" : @"model/iges",
@"igl" : @"application/vnd.igloader",
@"igm" : @"application/vnd.insors.igm",
@"igs" : @"model/iges",
@"igx" : @"application/vnd.micrografx.igx",
@"iif" : @"application/vnd.shana.informed.interchange",
@"imp" : @"application/vnd.accpac.simply.imp",
@"ims" : @"application/vnd.ms-ims",
@"in" : @"text/plain",
@"ink" : @"application/inkml+xml",
@"inkml" : @"application/inkml+xml",
@"install" : @"application/x-install-instructions",
@"iota" : @"application/vnd.astraea-software.iota",
@"ipfix" : @"application/ipfix",
@"ipk" : @"application/vnd.shana.informed.package",
@"irm" : @"application/vnd.ibm.rights-management",
@"irp" : @"application/vnd.irepository.package+xml",
@"iso" : @"application/x-iso9660-image",
@"itp" : @"application/vnd.shana.informed.formtemplate",
@"ivp" : @"application/vnd.immervision-ivp",
@"ivu" : @"application/vnd.immervision-ivu",
@"jad" : @"text/vnd.sun.j2me.app-descriptor",
@"jam" : @"application/vnd.jam",
@"jar" : @"application/java-archive",
@"java" : @"text/x-java-source",
@"jisp" : @"application/vnd.jisp",
@"jlt" : @"application/vnd.hp-jlyt",
@"jnlp" : @"application/x-java-jnlp-file",
@"joda" : @"application/vnd.joost.joda-archive",
@"jpe" : @"image/jpeg",
@"jpeg" : @"image/jpeg",
@"jpg" : @"image/jpeg",
@"jpgm" : @"video/jpm",
@"jpgv" : @"video/jpeg",
@"jpm" : @"video/jpm",
@"js" : @"application/javascript",
@"json" : @"application/json",
@"jsonml" : @"application/jsonml+json",
@"kar" : @"audio/midi",
@"karbon" : @"application/vnd.kde.karbon",
@"kfo" : @"application/vnd.kde.kformula",
@"kia" : @"application/vnd.kidspiration",
@"kml" : @"application/vnd.google-earth.kml+xml",
@"kmz" : @"application/vnd.google-earth.kmz",
@"kne" : @"application/vnd.kinar",
@"knp" : @"application/vnd.kinar",
@"kon" : @"application/vnd.kde.kontour",
@"kpr" : @"application/vnd.kde.kpresenter",
@"kpt" : @"application/vnd.kde.kpresenter",
@"kpxx" : @"application/vnd.ds-keypoint",
@"ksp" : @"application/vnd.kde.kspread",
@"ktr" : @"application/vnd.kahootz",
@"ktx" : @"image/ktx",
@"ktz" : @"application/vnd.kahootz",
@"kwd" : @"application/vnd.kde.kword",
@"kwt" : @"application/vnd.kde.kword",
@"lasxml" : @"application/vnd.las.las+xml",
@"latex" : @"application/x-latex",
@"lbd" : @"application/vnd.llamagraphics.life-balance.desktop",
@"lbe" : @"application/vnd.llamagraphics.life-balance.exchange+xml",
@"les" : @"application/vnd.hhe.lesson-player",
@"lha" : @"application/x-lzh-compressed",
@"link66" : @"application/vnd.route66.link66+xml",
@"list" : @"text/plain",
@"list3820" : @"application/vnd.ibm.modcap",
@"listafp" : @"application/vnd.ibm.modcap",
@"lnk" : @"application/x-ms-shortcut",
@"log" : @"text/plain",
@"lostxml" : @"application/lost+xml",
@"lrf" : @"application/octet-stream",
@"lrm" : @"application/vnd.ms-lrm",
@"ltf" : @"application/vnd.frogans.ltf",
@"lvp" : @"audio/vnd.lucent.voice",
@"lwp" : @"application/vnd.lotus-wordpro",
@"lzh" : @"application/x-lzh-compressed",
@"m13" : @"application/x-msmediaview",
@"m14" : @"application/x-msmediaview",
@"m1v" : @"video/mpeg",
@"m21" : @"application/mp21",
@"m2a" : @"audio/mpeg",
@"m2v" : @"video/mpeg",
@"m3a" : @"audio/mpeg",
@"m3u" : @"audio/x-mpegurl",
@"m3u8" : @"application/vnd.apple.mpegurl",
@"m4a" : @"audio/mp4",
@"m4u" : @"video/vnd.mpegurl",
@"m4v" : @"video/x-m4v",
@"ma" : @"application/mathematica",
@"mads" : @"application/mads+xml",
@"mag" : @"application/vnd.ecowin.chart",
@"maker" : @"application/vnd.framemaker",
@"man" : @"text/troff",
@"mar" : @"application/octet-stream",
@"mathml" : @"application/mathml+xml",
@"mb" : @"application/mathematica",
@"mbk" : @"application/vnd.mobius.mbk",
@"mbox" : @"application/mbox",
@"mc1" : @"application/vnd.medcalcdata",
@"mcd" : @"application/vnd.mcd",
@"mcurl" : @"text/vnd.curl.mcurl",
@"mdb" : @"application/x-msaccess",
@"mdi" : @"image/vnd.ms-modi",
@"me" : @"text/troff",
@"mesh" : @"model/mesh",
@"meta4" : @"application/metalink4+xml",
@"metalink" : @"application/metalink+xml",
@"mets" : @"application/mets+xml",
@"mfm" : @"application/vnd.mfmp",
@"mft" : @"application/rpki-manifest",
@"mgp" : @"application/vnd.osgeo.mapguide.package",
@"mgz" : @"application/vnd.proteus.magazine",
@"mid" : @"audio/midi",
@"midi" : @"audio/midi",
@"mie" : @"application/x-mie",
@"mif" : @"application/vnd.mif",
@"mime" : @"message/rfc822",
@"mj2" : @"video/mj2",
@"mjp2" : @"video/mj2",
@"mk3d" : @"video/x-matroska",
@"mka" : @"audio/x-matroska",
@"mks" : @"video/x-matroska",
@"mkv" : @"video/x-matroska",
@"mlp" : @"application/vnd.dolby.mlp",
@"mmd" : @"application/vnd.chipnuts.karaoke-mmd",
@"mmf" : @"application/vnd.smaf",
@"mmr" : @"image/vnd.fujixerox.edmics-mmr",
@"mng" : @"video/x-mng",
@"mny" : @"application/x-msmoney",
@"mobi" : @"application/x-mobipocket-ebook",
@"mods" : @"application/mods+xml",
@"mov" : @"video/quicktime",
@"movie" : @"video/x-sgi-movie",
@"mp2" : @"audio/mpeg",
@"mp21" : @"application/mp21",
@"mp2a" : @"audio/mpeg",
@"mp3" : @"audio/mpeg",
@"mp4" : @"video/mp4",
@"mp4a" : @"audio/mp4",
@"mp4s" : @"application/mp4",
@"mp4v" : @"video/mp4",
@"mpc" : @"application/vnd.mophun.certificate",
@"mpe" : @"video/mpeg",
@"mpeg" : @"video/mpeg",
@"mpg" : @"video/mpeg",
@"mpg4" : @"video/mp4",
@"mpga" : @"audio/mpeg",
@"mpkg" : @"application/vnd.apple.installer+xml",
@"mpm" : @"application/vnd.blueice.multipass",
@"mpn" : @"application/vnd.mophun.application",
@"mpp" : @"application/vnd.ms-project",
@"mpt" : @"application/vnd.ms-project",
@"mpy" : @"application/vnd.ibm.minipay",
@"mqy" : @"application/vnd.mobius.mqy",
@"mrc" : @"application/marc",
@"mrcx" : @"application/marcxml+xml",
@"ms" : @"text/troff",
@"mscml" : @"application/mediaservercontrol+xml",
@"mseed" : @"application/vnd.fdsn.mseed",
@"mseq" : @"application/vnd.mseq",
@"msf" : @"application/vnd.epson.msf",
@"msh" : @"model/mesh",
@"msi" : @"application/x-msdownload",
@"msl" : @"application/vnd.mobius.msl",
@"msty" : @"application/vnd.muvee.style",
@"mts" : @"model/vnd.mts",
@"mus" : @"application/vnd.musician",
@"musicxml" : @"application/vnd.recordare.musicxml+xml",
@"mvb" : @"application/x-msmediaview",
@"mwf" : @"application/vnd.mfer",
@"mxf" : @"application/mxf",
@"mxl" : @"application/vnd.recordare.musicxml",
@"mxml" : @"application/xv+xml",
@"mxs" : @"application/vnd.triscape.mxs",
@"mxu" : @"video/vnd.mpegurl",
@"n-gage" : @"application/vnd.nokia.n-gage.symbian.install",
@"n3" : @"text/n3",
@"nb" : @"application/mathematica",
@"nbp" : @"application/vnd.wolfram.player",
@"nc" : @"application/x-netcdf",
@"ncx" : @"application/x-dtbncx+xml",
@"nfo" : @"text/x-nfo",
@"ngdat" : @"application/vnd.nokia.n-gage.data",
@"nitf" : @"application/vnd.nitf",
@"nlu" : @"application/vnd.neurolanguage.nlu",
@"nml" : @"application/vnd.enliven",
@"nnd" : @"application/vnd.noblenet-directory",
@"nns" : @"application/vnd.noblenet-sealer",
@"nnw" : @"application/vnd.noblenet-web",
@"npx" : @"image/vnd.net-fpx",
@"nsc" : @"application/x-conference",
@"nsf" : @"application/vnd.lotus-notes",
@"ntf" : @"application/vnd.nitf",
@"nzb" : @"application/x-nzb",
@"oa2" : @"application/vnd.fujitsu.oasys2",
@"oa3" : @"application/vnd.fujitsu.oasys3",
@"oas" : @"application/vnd.fujitsu.oasys",
@"obd" : @"application/x-msbinder",
@"obj" : @"application/x-tgif",
@"oda" : @"application/oda",
@"odb" : @"application/vnd.oasis.opendocument.database",
@"odc" : @"application/vnd.oasis.opendocument.chart",
@"odf" : @"application/vnd.oasis.opendocument.formula",
@"odft" : @"application/vnd.oasis.opendocument.formula-template",
@"odg" : @"application/vnd.oasis.opendocument.graphics",
@"odi" : @"application/vnd.oasis.opendocument.image",
@"odm" : @"application/vnd.oasis.opendocument.text-master",
@"odp" : @"application/vnd.oasis.opendocument.presentation",
@"ods" : @"application/vnd.oasis.opendocument.spreadsheet",
@"odt" : @"application/vnd.oasis.opendocument.text",
@"oga" : @"audio/ogg",
@"ogg" : @"audio/ogg",
@"ogv" : @"video/ogg",
@"ogx" : @"application/ogg",
@"omdoc" : @"application/omdoc+xml",
@"onepkg" : @"application/onenote",
@"onetmp" : @"application/onenote",
@"onetoc" : @"application/onenote",
@"onetoc2" : @"application/onenote",
@"opf" : @"application/oebps-package+xml",
@"opml" : @"text/x-opml",
@"oprc" : @"application/vnd.palm",
@"org" : @"application/vnd.lotus-organizer",
@"osf" : @"application/vnd.yamaha.openscoreformat",
@"osfpvg" : @"application/vnd.yamaha.openscoreformat.osfpvg+xml",
@"otc" : @"application/vnd.oasis.opendocument.chart-template",
@"otf" : @"application/x-font-otf",
@"otg" : @"application/vnd.oasis.opendocument.graphics-template",
@"oth" : @"application/vnd.oasis.opendocument.text-web",
@"oti" : @"application/vnd.oasis.opendocument.image-template",
@"otp" : @"application/vnd.oasis.opendocument.presentation-template",
@"ots" : @"application/vnd.oasis.opendocument.spreadsheet-template",
@"ott" : @"application/vnd.oasis.opendocument.text-template",
@"oxps" : @"application/oxps",
@"oxt" : @"application/vnd.openofficeorg.extension",
@"p" : @"text/x-pascal",
@"p10" : @"application/pkcs10",
@"p12" : @"application/x-pkcs12",
@"p7b" : @"application/x-pkcs7-certificates",
@"p7c" : @"application/pkcs7-mime",
@"p7m" : @"application/pkcs7-mime",
@"p7r" : @"application/x-pkcs7-certreqresp",
@"p7s" : @"application/pkcs7-signature",
@"p8" : @"application/pkcs8",
@"pas" : @"text/x-pascal",
@"paw" : @"application/vnd.pawaafile",
@"pbd" : @"application/vnd.powerbuilder6",
@"pbm" : @"image/x-portable-bitmap",
@"pcap" : @"application/vnd.tcpdump.pcap",
@"pcf" : @"application/x-font-pcf",
@"pcl" : @"application/vnd.hp-pcl",
@"pclxl" : @"application/vnd.hp-pclxl",
@"pct" : @"image/x-pict",
@"pcurl" : @"application/vnd.curl.pcurl",
@"pcx" : @"image/x-pcx",
@"pdb" : @"application/vnd.palm",
@"pdf" : @"application/pdf",
@"pfa" : @"application/x-font-type1",
@"pfb" : @"application/x-font-type1",
@"pfm" : @"application/x-font-type1",
@"pfr" : @"application/font-tdpfr",
@"pfx" : @"application/x-pkcs12",
@"pgm" : @"image/x-portable-graymap",
@"pgn" : @"application/x-chess-pgn",
@"pgp" : @"application/pgp-encrypted",
@"pic" : @"image/x-pict",
@"pkg" : @"application/octet-stream",
@"pki" : @"application/pkixcmp",
@"pkipath" : @"application/pkix-pkipath",
@"plb" : @"application/vnd.3gpp.pic-bw-large",
@"plc" : @"application/vnd.mobius.plc",
@"plf" : @"application/vnd.pocketlearn",
@"pls" : @"application/pls+xml",
@"pml" : @"application/vnd.ctc-posml",
@"png" : @"image/png",
@"pnm" : @"image/x-portable-anymap",
@"portpkg" : @"application/vnd.macports.portpkg",
@"pot" : @"application/vnd.ms-powerpoint",
@"potm" : @"application/vnd.ms-powerpoint.template.macroenabled.12",
@"potx" : @"application/vnd.openxmlformats-officedocument.presentationml.template",
@"ppam" : @"application/vnd.ms-powerpoint.addin.macroenabled.12",
@"ppd" : @"application/vnd.cups-ppd",
@"ppm" : @"image/x-portable-pixmap",
@"pps" : @"application/vnd.ms-powerpoint",
@"ppsm" : @"application/vnd.ms-powerpoint.slideshow.macroenabled.12",
@"ppsx" : @"application/vnd.openxmlformats-officedocument.presentationml.slideshow",
@"ppt" : @"application/vnd.ms-powerpoint",
@"pptm" : @"application/vnd.ms-powerpoint.presentation.macroenabled.12",
@"pptx" : @"application/vnd.openxmlformats-officedocument.presentationml.presentation",
@"pqa" : @"application/vnd.palm",
@"prc" : @"application/x-mobipocket-ebook",
@"pre" : @"application/vnd.lotus-freelance",
@"prf" : @"application/pics-rules",
@"ps" : @"application/postscript",
@"psb" : @"application/vnd.3gpp.pic-bw-small",
@"psd" : @"image/vnd.adobe.photoshop",
@"psf" : @"application/x-font-linux-psf",
@"pskcxml" : @"application/pskc+xml",
@"ptid" : @"application/vnd.pvi.ptid1",
@"pub" : @"application/x-mspublisher",
@"pvb" : @"application/vnd.3gpp.pic-bw-var",
@"pwn" : @"application/vnd.3m.post-it-notes",
@"pya" : @"audio/vnd.ms-playready.media.pya",
@"pyv" : @"video/vnd.ms-playready.media.pyv",
@"qam" : @"application/vnd.epson.quickanime",
@"qbo" : @"application/vnd.intu.qbo",
@"qfx" : @"application/vnd.intu.qfx",
@"qps" : @"application/vnd.publishare-delta-tree",
@"qt" : @"video/quicktime",
@"qwd" : @"application/vnd.quark.quarkxpress",
@"qwt" : @"application/vnd.quark.quarkxpress",
@"qxb" : @"application/vnd.quark.quarkxpress",
@"qxd" : @"application/vnd.quark.quarkxpress",
@"qxl" : @"application/vnd.quark.quarkxpress",
@"qxt" : @"application/vnd.quark.quarkxpress",
@"ra" : @"audio/x-pn-realaudio",
@"ram" : @"audio/x-pn-realaudio",
@"rar" : @"application/x-rar-compressed",
@"ras" : @"image/x-cmu-raster",
@"rcprofile" : @"application/vnd.ipunplugged.rcprofile",
@"rdf" : @"application/rdf+xml",
@"rdz" : @"application/vnd.data-vision.rdz",
@"rep" : @"application/vnd.businessobjects",
@"res" : @"application/x-dtbresource+xml",
@"rgb" : @"image/x-rgb",
@"rif" : @"application/reginfo+xml",
@"rip" : @"audio/vnd.rip",
@"ris" : @"application/x-research-info-systems",
@"rl" : @"application/resource-lists+xml",
@"rlc" : @"image/vnd.fujixerox.edmics-rlc",
@"rld" : @"application/resource-lists-diff+xml",
@"rm" : @"application/vnd.rn-realmedia",
@"rmi" : @"audio/midi",
@"rmp" : @"audio/x-pn-realaudio-plugin",
@"rms" : @"application/vnd.jcp.javame.midlet-rms",
@"rmvb" : @"application/vnd.rn-realmedia-vbr",
@"rnc" : @"application/relax-ng-compact-syntax",
@"roa" : @"application/rpki-roa",
@"roff" : @"text/troff",
@"rp9" : @"application/vnd.cloanto.rp9",
@"rpss" : @"application/vnd.nokia.radio-presets",
@"rpst" : @"application/vnd.nokia.radio-preset",
@"rq" : @"application/sparql-query",
@"rs" : @"application/rls-services+xml",
@"rsd" : @"application/rsd+xml",
@"rss" : @"application/rss+xml",
@"rtf" : @"application/rtf",
@"rtx" : @"text/richtext",
@"s" : @"text/x-asm",
@"s3m" : @"audio/s3m",
@"saf" : @"application/vnd.yamaha.smaf-audio",
@"sbml" : @"application/sbml+xml",
@"sc" : @"application/vnd.ibm.secure-container",
@"scd" : @"application/x-msschedule",
@"scm" : @"application/vnd.lotus-screencam",
@"scq" : @"application/scvp-cv-request",
@"scs" : @"application/scvp-cv-response",
@"scurl" : @"text/vnd.curl.scurl",
@"sda" : @"application/vnd.stardivision.draw",
@"sdc" : @"application/vnd.stardivision.calc",
@"sdd" : @"application/vnd.stardivision.impress",
@"sdkd" : @"application/vnd.solent.sdkm+xml",
@"sdkm" : @"application/vnd.solent.sdkm+xml",
@"sdp" : @"application/sdp",
@"sdw" : @"application/vnd.stardivision.writer",
@"see" : @"application/vnd.seemail",
@"seed" : @"application/vnd.fdsn.seed",
@"sema" : @"application/vnd.sema",
@"semd" : @"application/vnd.semd",
@"semf" : @"application/vnd.semf",
@"ser" : @"application/java-serialized-object",
@"setpay" : @"application/set-payment-initiation",
@"setreg" : @"application/set-registration-initiation",
@"sfd-hdstx" : @"application/vnd.hydrostatix.sof-data",
@"sfs" : @"application/vnd.spotfire.sfs",
@"sfv" : @"text/x-sfv",
@"sgi" : @"image/sgi",
@"sgl" : @"application/vnd.stardivision.writer-global",
@"sgm" : @"text/sgml",
@"sgml" : @"text/sgml",
@"sh" : @"application/x-sh",
@"shar" : @"application/x-shar",
@"shf" : @"application/shf+xml",
@"sid" : @"image/x-mrsid-image",
@"sig" : @"application/pgp-signature",
@"sil" : @"audio/silk",
@"silo" : @"model/mesh",
@"sis" : @"application/vnd.symbian.install",
@"sisx" : @"application/vnd.symbian.install",
@"sit" : @"application/x-stuffit",
@"sitx" : @"application/x-stuffitx",
@"skd" : @"application/vnd.koan",
@"skm" : @"application/vnd.koan",
@"skp" : @"application/vnd.koan",
@"skt" : @"application/vnd.koan",
@"sldm" : @"application/vnd.ms-powerpoint.slide.macroenabled.12",
@"sldx" : @"application/vnd.openxmlformats-officedocument.presentationml.slide",
@"slt" : @"application/vnd.epson.salt",
@"sm" : @"application/vnd.stepmania.stepchart",
@"smf" : @"application/vnd.stardivision.math",
@"smi" : @"application/smil+xml",
@"smil" : @"application/smil+xml",
@"smv" : @"video/x-smv",
@"smzip" : @"application/vnd.stepmania.package",
@"snd" : @"audio/basic",
@"snf" : @"application/x-font-snf",
@"so" : @"application/octet-stream",
@"spc" : @"application/x-pkcs7-certificates",
@"spf" : @"application/vnd.yamaha.smaf-phrase",
@"spl" : @"application/x-futuresplash",
@"spot" : @"text/vnd.in3d.spot",
@"spp" : @"application/scvp-vp-response",
@"spq" : @"application/scvp-vp-request",
@"spx" : @"audio/ogg",
@"sql" : @"application/x-sql",
@"src" : @"application/x-wais-source",
@"srt" : @"application/x-subrip",
@"sru" : @"application/sru+xml",
@"srx" : @"application/sparql-results+xml",
@"ssdl" : @"application/ssdl+xml",
@"sse" : @"application/vnd.kodak-descriptor",
@"ssf" : @"application/vnd.epson.ssf",
@"ssml" : @"application/ssml+xml",
@"st" : @"application/vnd.sailingtracker.track",
@"stc" : @"application/vnd.sun.xml.calc.template",
@"std" : @"application/vnd.sun.xml.draw.template",
@"stf" : @"application/vnd.wt.stf",
@"sti" : @"application/vnd.sun.xml.impress.template",
@"stk" : @"application/hyperstudio",
@"stl" : @"application/vnd.ms-pki.stl",
@"str" : @"application/vnd.pg.format",
@"stw" : @"application/vnd.sun.xml.writer.template",
@"sub" : @"text/vnd.dvb.subtitle",
@"sus" : @"application/vnd.sus-calendar",
@"susp" : @"application/vnd.sus-calendar",
@"sv4cpio" : @"application/x-sv4cpio",
@"sv4crc" : @"application/x-sv4crc",
@"svc" : @"application/vnd.dvb.service",
@"svd" : @"application/vnd.svd",
@"svg" : @"image/svg+xml",
@"svgz" : @"image/svg+xml",
@"swa" : @"application/x-director",
@"swf" : @"application/x-shockwave-flash",
@"swi" : @"application/vnd.aristanetworks.swi",
@"sxc" : @"application/vnd.sun.xml.calc",
@"sxd" : @"application/vnd.sun.xml.draw",
@"sxg" : @"application/vnd.sun.xml.writer.global",
@"sxi" : @"application/vnd.sun.xml.impress",
@"sxm" : @"application/vnd.sun.xml.math",
@"sxw" : @"application/vnd.sun.xml.writer",
@"t" : @"text/troff",
@"t3" : @"application/x-t3vm-image",
@"taglet" : @"application/vnd.mynfc",
@"tao" : @"application/vnd.tao.intent-module-archive",
@"tar" : @"application/x-tar",
@"tcap" : @"application/vnd.3gpp2.tcap",
@"tcl" : @"application/x-tcl",
@"teacher" : @"application/vnd.smart.teacher",
@"tei" : @"application/tei+xml",
@"teicorpus" : @"application/tei+xml",
@"tex" : @"application/x-tex",
@"texi" : @"application/x-texinfo",
@"texinfo" : @"application/x-texinfo",
@"text" : @"text/plain",
@"tfi" : @"application/thraud+xml",
@"tfm" : @"application/x-tex-tfm",
@"tga" : @"image/x-tga",
@"thmx" : @"application/vnd.ms-officetheme",
@"tif" : @"image/tiff",
@"tiff" : @"image/tiff",
@"tmo" : @"application/vnd.tmobile-livetv",
@"torrent" : @"application/x-bittorrent",
@"tpl" : @"application/vnd.groove-tool-template",
@"tpt" : @"application/vnd.trid.tpt",
@"tr" : @"text/troff",
@"tra" : @"application/vnd.trueapp",
@"trm" : @"application/x-msterminal",
@"tsd" : @"application/timestamped-data",
@"tsv" : @"text/tab-separated-values",
@"ttc" : @"application/x-font-ttf",
@"ttf" : @"application/x-font-ttf",
@"ttl" : @"text/turtle",
@"twd" : @"application/vnd.simtech-mindmapper",
@"twds" : @"application/vnd.simtech-mindmapper",
@"txd" : @"application/vnd.genomatix.tuxedo",
@"txf" : @"application/vnd.mobius.txf",
@"txt" : @"text/plain",
@"u32" : @"application/x-authorware-bin",
@"udeb" : @"application/x-debian-package",
@"ufd" : @"application/vnd.ufdl",
@"ufdl" : @"application/vnd.ufdl",
@"ulx" : @"application/x-glulx",
@"umj" : @"application/vnd.umajin",
@"unityweb" : @"application/vnd.unity",
@"uoml" : @"application/vnd.uoml+xml",
@"uri" : @"text/uri-list",
@"uris" : @"text/uri-list",
@"urls" : @"text/uri-list",
@"ustar" : @"application/x-ustar",
@"utz" : @"application/vnd.uiq.theme",
@"uu" : @"text/x-uuencode",
@"uva" : @"audio/vnd.dece.audio",
@"uvd" : @"application/vnd.dece.data",
@"uvf" : @"application/vnd.dece.data",
@"uvg" : @"image/vnd.dece.graphic",
@"uvh" : @"video/vnd.dece.hd",
@"uvi" : @"image/vnd.dece.graphic",
@"uvm" : @"video/vnd.dece.mobile",
@"uvp" : @"video/vnd.dece.pd",
@"uvs" : @"video/vnd.dece.sd",
@"uvt" : @"application/vnd.dece.ttml+xml",
@"uvu" : @"video/vnd.uvvu.mp4",
@"uvv" : @"video/vnd.dece.video",
@"uvva" : @"audio/vnd.dece.audio",
@"uvvd" : @"application/vnd.dece.data",
@"uvvf" : @"application/vnd.dece.data",
@"uvvg" : @"image/vnd.dece.graphic",
@"uvvh" : @"video/vnd.dece.hd",
@"uvvi" : @"image/vnd.dece.graphic",
@"uvvm" : @"video/vnd.dece.mobile",
@"uvvp" : @"video/vnd.dece.pd",
@"uvvs" : @"video/vnd.dece.sd",
@"uvvt" : @"application/vnd.dece.ttml+xml",
@"uvvu" : @"video/vnd.uvvu.mp4",
@"uvvv" : @"video/vnd.dece.video",
@"uvvx" : @"application/vnd.dece.unspecified",
@"uvvz" : @"application/vnd.dece.zip",
@"uvx" : @"application/vnd.dece.unspecified",
@"uvz" : @"application/vnd.dece.zip",
@"vcard" : @"text/vcard",
@"vcd" : @"application/x-cdlink",
@"vcf" : @"text/x-vcard",
@"vcg" : @"application/vnd.groove-vcard",
@"vcs" : @"text/x-vcalendar",
@"vcx" : @"application/vnd.vcx",
@"vis" : @"application/vnd.visionary",
@"viv" : @"video/vnd.vivo",
@"vob" : @"video/x-ms-vob",
@"vor" : @"application/vnd.stardivision.writer",
@"vox" : @"application/x-authorware-bin",
@"vrml" : @"model/vrml",
@"vsd" : @"application/vnd.visio",
@"vsf" : @"application/vnd.vsf",
@"vss" : @"application/vnd.visio",
@"vst" : @"application/vnd.visio",
@"vsw" : @"application/vnd.visio",
@"vtu" : @"model/vnd.vtu",
@"vxml" : @"application/voicexml+xml",
@"w3d" : @"application/x-director",
@"wad" : @"application/x-doom",
@"wav" : @"audio/x-wav",
@"wax" : @"audio/x-ms-wax",
@"wbmp" : @"image/vnd.wap.wbmp",
@"wbs" : @"application/vnd.criticaltools.wbs+xml",
@"wbxml" : @"application/vnd.wap.wbxml",
@"wcm" : @"application/vnd.ms-works",
@"wdb" : @"application/vnd.ms-works",
@"wdp" : @"image/vnd.ms-photo",
@"weba" : @"audio/webm",
@"webm" : @"video/webm",
@"webp" : @"image/webp",
@"wg" : @"application/vnd.pmi.widget",
@"wgt" : @"application/widget",
@"wks" : @"application/vnd.ms-works",
@"wm" : @"video/x-ms-wm",
@"wma" : @"audio/x-ms-wma",
@"wmd" : @"application/x-ms-wmd",
@"wmf" : @"application/x-msmetafile",
@"wml" : @"text/vnd.wap.wml",
@"wmlc" : @"application/vnd.wap.wmlc",
@"wmls" : @"text/vnd.wap.wmlscript",
@"wmlsc" : @"application/vnd.wap.wmlscriptc",
@"wmv" : @"video/x-ms-wmv",
@"wmx" : @"video/x-ms-wmx",
@"wmz" : @"application/x-msmetafile",
@"woff" : @"application/font-woff",
@"wpd" : @"application/vnd.wordperfect",
@"wpl" : @"application/vnd.ms-wpl",
@"wps" : @"application/vnd.ms-works",
@"wqd" : @"application/vnd.wqd",
@"wri" : @"application/x-mswrite",
@"wrl" : @"model/vrml",
@"wsdl" : @"application/wsdl+xml",
@"wspolicy" : @"application/wspolicy+xml",
@"wtb" : @"application/vnd.webturbo",
@"wvx" : @"video/x-ms-wvx",
@"x32" : @"application/x-authorware-bin",
@"x3d" : @"model/x3d+xml",
@"x3db" : @"model/x3d+binary",
@"x3dbz" : @"model/x3d+binary",
@"x3dv" : @"model/x3d+vrml",
@"x3dvz" : @"model/x3d+vrml",
@"x3dz" : @"model/x3d+xml",
@"xaml" : @"application/xaml+xml",
@"xap" : @"application/x-silverlight-app",
@"xar" : @"application/vnd.xara",
@"xbap" : @"application/x-ms-xbap",
@"xbd" : @"application/vnd.fujixerox.docuworks.binder",
@"xbm" : @"image/x-xbitmap",
@"xdf" : @"application/xcap-diff+xml",
@"xdm" : @"application/vnd.syncml.dm+xml",
@"xdp" : @"application/vnd.adobe.xdp+xml",
@"xdssc" : @"application/dssc+xml",
@"xdw" : @"application/vnd.fujixerox.docuworks",
@"xenc" : @"application/xenc+xml",
@"xer" : @"application/patch-ops-error+xml",
@"xfdf" : @"application/vnd.adobe.xfdf",
@"xfdl" : @"application/vnd.xfdl",
@"xht" : @"application/xhtml+xml",
@"xhtml" : @"application/xhtml+xml",
@"xhvml" : @"application/xv+xml",
@"xif" : @"image/vnd.xiff",
@"xla" : @"application/vnd.ms-excel",
@"xlam" : @"application/vnd.ms-excel.addin.macroenabled.12",
@"xlc" : @"application/vnd.ms-excel",
@"xlf" : @"application/x-xliff+xml",
@"xlm" : @"application/vnd.ms-excel",
@"xls" : @"application/vnd.ms-excel",
@"xlsb" : @"application/vnd.ms-excel.sheet.binary.macroenabled.12",
@"xlsm" : @"application/vnd.ms-excel.sheet.macroenabled.12",
@"xlsx" : @"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
@"xlt" : @"application/vnd.ms-excel",
@"xltm" : @"application/vnd.ms-excel.template.macroenabled.12",
@"xltx" : @"application/vnd.openxmlformats-officedocument.spreadsheetml.template",
@"xlw" : @"application/vnd.ms-excel",
@"xm" : @"audio/xm",
@"xml" : @"application/xml",
@"xo" : @"application/vnd.olpc-sugar",
@"xop" : @"application/xop+xml",
@"xpi" : @"application/x-xpinstall",
@"xpl" : @"application/xproc+xml",
@"xpm" : @"image/x-xpixmap",
@"xpr" : @"application/vnd.is-xpr",
@"xps" : @"application/vnd.ms-xpsdocument",
@"xpw" : @"application/vnd.intercon.formnet",
@"xpx" : @"application/vnd.intercon.formnet",
@"xsl" : @"application/xml",
@"xslt" : @"application/xslt+xml",
@"xsm" : @"application/vnd.syncml+xml",
@"xspf" : @"application/xspf+xml",
@"xul" : @"application/vnd.mozilla.xul+xml",
@"xvm" : @"application/xv+xml",
@"xvml" : @"application/xv+xml",
@"xwd" : @"image/x-xwindowdump",
@"xyz" : @"chemical/x-xyz",
@"xz" : @"application/x-xz",
@"yang" : @"application/yang",
@"yin" : @"application/yin+xml",
@"z1" : @"application/x-zmachine",
@"z2" : @"application/x-zmachine",
@"z3" : @"application/x-zmachine",
@"z4" : @"application/x-zmachine",
@"z5" : @"application/x-zmachine",
@"z6" : @"application/x-zmachine",
@"z7" : @"application/x-zmachine",
@"z8" : @"application/x-zmachine",
@"zaz" : @"application/vnd.zzazz.deck+xml",
@"zip" : OWSMimeTypeApplicationZip,
@"zir" : @"application/vnd.zul",
@"zirz" : @"application/vnd.zul",
@"zmm" : @"application/vnd.handheld-entertainment+xml",
};
});
return result;
}
+ (nullable NSString *)fileExtensionForMIMETypeViaLookup:(NSString *)mimeType
{
return [[self genericMIMETypesToExtensionTypes] objectForKey:mimeType];
}
+ (nullable NSString *)fileExtensionForMIMEType:(NSString *)mimeType
{
// Try to deduce the file extension by using a lookup table.
//
// This should be more accurate than deducing the file extension by
// converting to a UTI type. For example, .m4a files will have a
// UTI type of kUTTypeMPEG4Audio which incorrectly yields the file
// extension .mp4 instead of .m4a.
NSString *_Nullable fileExtension = [self fileExtensionForMIMETypeViaLookup:mimeType];
if (!fileExtension) {
// Try to deduce the file extension by converting to a UTI type.
fileExtension = [self fileExtensionForMIMETypeViaUTIType:mimeType];
}
return fileExtension;
}
+ (nullable NSString *)utiTypeForFileExtension:(NSString *)fileExtension
{
NSString *_Nullable utiType = (__bridge_transfer NSString *)UTTypeCreatePreferredIdentifierForTag(
kUTTagClassFilenameExtension, (__bridge CFStringRef)fileExtension, NULL);
return utiType;
}
@end
NS_ASSUME_NONNULL_END
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