diff --git a/PrivateFrameworks/CoreUI.framework/Headers b/PrivateFrameworks/CoreUI.framework/Headers new file mode 120000 index 0000000..fc757d7 --- /dev/null +++ b/PrivateFrameworks/CoreUI.framework/Headers @@ -0,0 +1 @@ +Versions/Current/Headers/ \ No newline at end of file diff --git a/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUICatalog.h b/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUICatalog.h new file mode 100644 index 0000000..ab1f24d --- /dev/null +++ b/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUICatalog.h @@ -0,0 +1,54 @@ +#import + +@class NSBundle, NSCache, NSMapTable, NSString; +@class CUINamedImage, CUIStructuredThemeStore; + +@interface CUICatalog: NSObject { + NSString * _assetStoreName; + NSBundle * _bundle; + unsigned int _fileHasDisplayGamutInKeySpace; + NSCache * _localObjectCache; + NSCache * _lookupCache; + NSCache * _negativeCache; + unsigned short _preferredLocalization; + unsigned int _purgeWhenFinished; + unsigned int _reserved; + NSMapTable * _storageMapTable; + unsigned long long _storageRef; + NSDictionary * _vibrantColorMatrixTints; +} + +- (CUIStructuredThemeStore *)_themeStore; + ++ (id)defaultUICatalogForBundle:(id)arg1; + +- (id)initWithBytes:(const void*)arg1 length:(unsigned long long)arg2 error:(NSError **)arg3; +- (id)initWithName:(id)arg1 fromBundle:(id)arg2; +- (id)initWithName:(id)arg1 fromBundle:(id)arg2 error:(id*)arg3; +- (id)initWithURL:(id)arg1 error:(NSError **)arg2; + +- (BOOL)imageExistsWithName:(id)arg1; +- (BOOL)imageExistsWithName:(id)arg1 scaleFactor:(double)arg2; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 appearanceName:(id)arg3; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 appearanceName:(id)arg4; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 appearanceName:(id)arg5; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 displayGamut:(long long)arg5 layoutDirection:(long long)arg6 sizeClassHorizontal:(long long)arg7 sizeClassVertical:(long long)arg8; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 displayGamut:(long long)arg5 layoutDirection:(long long)arg6 sizeClassHorizontal:(long long)arg7 sizeClassVertical:(long long)arg8 appearanceName:(id)arg9; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 displayGamut:(long long)arg5 layoutDirection:(long long)arg6 sizeClassHorizontal:(long long)arg7 sizeClassVertical:(long long)arg8 memoryClass:(long long)arg9 graphicsClass:(long long)arg10; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 displayGamut:(long long)arg5 layoutDirection:(long long)arg6 sizeClassHorizontal:(long long)arg7 sizeClassVertical:(long long)arg8 memoryClass:(unsigned long long)arg9 graphicsClass:(unsigned long long)arg10 appearanceIdentifier:(long long)arg11 graphicsFallBackOrder:(id)arg12 deviceSubtypeFallBackOrder:(id)arg13; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 displayGamut:(long long)arg5 layoutDirection:(long long)arg6 sizeClassHorizontal:(long long)arg7 sizeClassVertical:(long long)arg8 memoryClass:(unsigned long long)arg9 graphicsClass:(unsigned long long)arg10 graphicsFallBackOrder:(id)arg11 deviceSubtypeFallBackOrder:(id)arg12; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 sizeClassHorizontal:(long long)arg5 sizeClassVertical:(long long)arg6; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 deviceSubtype:(unsigned long long)arg4 sizeClassHorizontal:(long long)arg5 sizeClassVertical:(long long)arg6 appearanceName:(id)arg7; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 deviceIdiom:(long long)arg3 layoutDirection:(long long)arg4 adjustRenditionKeyWithBlock:(id)arg5; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 displayGamut:(long long)arg3 layoutDirection:(long long)arg4; +- (CUINamedImage *)imageWithName:(id)arg1 scaleFactor:(double)arg2 displayGamut:(long long)arg3 layoutDirection:(long long)arg4 appearanceName:(id)arg5; +- (NSArray *)imagesWithName:(id)arg1; + +- (NSArray *)allImageNames; +- (NSArray *)appearanceNames; + +@end + diff --git a/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUINamedImage.h b/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUINamedImage.h new file mode 100644 index 0000000..8da0f0a --- /dev/null +++ b/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUINamedImage.h @@ -0,0 +1,54 @@ +#import +#import +#import + +@interface CUINamedImage: CUINamedLookup { + struct _cuiniproperties { + unsigned int isVectorBased : 1; + unsigned int hasSliceInformation : 1; + unsigned int hasAlignmentInformation : 1; + unsigned int resizingMode : 2; + unsigned int templateRenderingMode : 3; + unsigned int exifOrientation : 4; + unsigned int isAlphaCropped : 1; + unsigned int isFlippable : 1; + unsigned int isTintable : 1; + unsigned int preservedVectorRepresentation : 1; + unsigned int _reserved : 16; + } _imageProperties; + double _scale; +} + +@property (readonly) CGRect NS_alignmentRect; +@property (nonatomic, readonly) NSEdgeInsets alignmentEdgeInsets; +@property (nonatomic, readonly) int blendMode; +@property (nonatomic, readonly) CGImageRef croppedImage; +@property (nonatomic, readonly) NSEdgeInsets edgeInsets; +@property (nonatomic, readonly) int exifOrientation; +@property (nonatomic, readonly) BOOL hasAlignmentInformation; +@property (nonatomic, readonly) BOOL hasSliceInformation; +@property (nonatomic, readonly) CGImageRef image; +@property (nonatomic, readonly) long long imageType; +@property (nonatomic, readonly) BOOL isAlphaCropped; +@property (nonatomic, readonly) BOOL isFlippable; +@property (nonatomic, readonly) BOOL isStructured; +@property (nonatomic, readonly) BOOL isTemplate; +@property (nonatomic, readonly) BOOL isVectorBased; +@property (nonatomic, readonly) double opacity; +@property (nonatomic, readonly) BOOL preservedVectorRepresentation; +@property (nonatomic, readonly) long long resizingMode; +@property (nonatomic, readonly) double scale; +@property (nonatomic, readonly) CGSize size; +@property (nonatomic, readonly) long long templateRenderingMode; + +- (id)baseKey; +- (CGRect)alphaCroppedRect; +- (CGImageRef)createImageFromPDFRenditionWithScale:(double)arg1; +- (CGImageRef)croppedImage; + +- (id)initWithName:(id)arg1 usingRenditionKey:(id)arg2 fromTheme:(unsigned long long)arg3; + +- (CGSize)originalUncroppedSize; +- (double)positionOfSliceBoundary:(unsigned int)arg1; + +@end diff --git a/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUINamedLookup.h b/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUINamedLookup.h new file mode 100644 index 0000000..25dbcf2 --- /dev/null +++ b/PrivateFrameworks/CoreUI.framework/Versions/A/Headers/CUINamedLookup.h @@ -0,0 +1,16 @@ +#import + +@class CUIRenditionKey; + +@interface CUINamedLookup: NSObject { + unsigned int _distilledInVersion; + CUIRenditionKey * _key; + NSString * _name; + unsigned int _odContent; + NSString * _signature; + unsigned long long _storageRef; +} + +- (id)initWithName:(id)arg1 usingRenditionKey:(id)arg2 fromTheme:(unsigned long long)arg3; + +@end diff --git a/PrivateFrameworks/CoreUI.framework/Versions/Current b/PrivateFrameworks/CoreUI.framework/Versions/Current new file mode 120000 index 0000000..8c7e5a6 --- /dev/null +++ b/PrivateFrameworks/CoreUI.framework/Versions/Current @@ -0,0 +1 @@ +A \ No newline at end of file diff --git a/PrivateFrameworks/CoreUI.framework/module.modulemap b/PrivateFrameworks/CoreUI.framework/module.modulemap new file mode 100644 index 0000000..c151ffb --- /dev/null +++ b/PrivateFrameworks/CoreUI.framework/module.modulemap @@ -0,0 +1,9 @@ +module CoreUI { + // umbrella header "CoreUI.h" + // Here is the list of your private headers. + header "Headers/CUICatalog.h" + header "Headers/CUINamedLookup.h" + header "Headers/CUINamedImage.h" + + export * +} diff --git a/QLApps.xcodeproj/project.pbxproj b/QLApps.xcodeproj/project.pbxproj index e911190..6140208 100644 --- a/QLApps.xcodeproj/project.pbxproj +++ b/QLApps.xcodeproj/project.pbxproj @@ -6,17 +6,89 @@ objectVersion = 77; 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children = ( 54442BF42E378B71008A870E /* QLApps.app */, + 54442C202E378BAF008A870E /* QLPreview.appex */, ); name = Products; sourceTree = ""; }; + 54442C212E378BAF008A870E /* Frameworks */ = { + isa = PBXGroup; + children = ( + 54E087572EB148E700979D91 /* WebKit.framework */, + 54E087552EB148DF00979D91 /* Security.framework */, + 54E087532EB148DB00979D91 /* QuickLook.framework */, + 54E087512EB148B700979D91 /* libz.tbd */, + 54E0874E2EB1489100979D91 /* CoreFoundation.framework */, + 54E0874C2EB1488300979D91 /* ApplicationServices.framework */, + 5485EE362EB1460C009E3905 /* Network.framework */, + 54D3A6FF2EA465C4001EF4F6 /* AppKit.framework */, + 54D3A6FC2EA465A9001EF4F6 /* CoreServices.framework */, + 54D3A6FA2EA46588001EF4F6 /* CoreGraphics.framework */, + 54442C222E378BAF008A870E /* Quartz.framework */, + ); + name = Frameworks; + sourceTree = ""; + }; + 54442C6F2E378BDD008A870E /* QLApps */ = { + isa = PBXGroup; + children = ( + 54442C6A2E378BDD008A870E /* AppDelegate.swift */, + 54442C6B2E378BDD008A870E /* Assets.xcassets */, + 54442C6D2E378BDD008A870E /* MainMenu.xib */, + 54442C6E2E378BDD008A870E /* QLApps.entitlements */, + ); + path = QLApps; + sourceTree = ""; + }; + 54442C782E378BE0008A870E /* QLPreview */ = { + isa = PBXGroup; + children = ( + 54442C732E378BE0008A870E /* Info.plist */, + 54442C742E378BE0008A870E /* PreviewViewController.swift */, + 54442C762E378BE0008A870E /* PreviewViewController.xib */, + 54442C772E378BE0008A870E /* QLPreview.entitlements */, + ); + path = QLPreview; + sourceTree = ""; + }; + 54D3A6F42EA46069001EF4F6 /* resources */ = { + isa = PBXGroup; + children = ( + 54D3A6F22EA4603B001EF4F6 /* defaultIcon.png */, + 54D3A6F32EA4603B001EF4F6 /* template.html */, + ); + path = resources; + sourceTree = ""; + }; + 54D3A6F62EA4610B001EF4F6 /* PrivateFrameworks */ = { + isa = PBXGroup; + children = ( + 54D3A6F52EA4610B001EF4F6 /* CoreUI.framework */, + ); + path = PrivateFrameworks; + sourceTree = ""; + }; /* End PBXGroup section */ /* Begin PBXNativeTarget section */ @@ -55,13 +217,12 @@ 54442BF02E378B71008A870E /* Sources */, 54442BF12E378B71008A870E /* Frameworks */, 54442BF22E378B71008A870E /* Resources */, + 54442C312E378BAF008A870E /* Embed Foundation Extensions */, ); buildRules = ( ); dependencies = ( - ); - fileSystemSynchronizedGroups = ( - 54442BF62E378B71008A870E /* QLApps */, + 54442C2F2E378BAF008A870E /* PBXTargetDependency */, ); name = QLApps; packageProductDependencies = ( @@ -70,6 +231,25 @@ productReference = 54442BF42E378B71008A870E /* QLApps.app */; productType = "com.apple.product-type.application"; }; + 54442C1F2E378BAF008A870E /* QLPreview */ = { + isa = PBXNativeTarget; + buildConfigurationList = 54442C352E378BAF008A870E /* Build configuration list for PBXNativeTarget "QLPreview" */; + buildPhases = ( + 54442C1C2E378BAF008A870E /* Sources */, + 54442C1D2E378BAF008A870E /* Frameworks */, + 54442C1E2E378BAF008A870E /* Resources */, + ); + buildRules = ( + ); + dependencies = ( + ); + name = QLPreview; + packageProductDependencies = ( + ); + productName = QLPreview; + productReference = 54442C202E378BAF008A870E /* QLPreview.appex */; + productType = "com.apple.product-type.app-extension"; + }; /* End PBXNativeTarget section */ /* Begin PBXProject section */ @@ -83,6 +263,9 @@ 54442BF32E378B71008A870E = { CreatedOnToolsVersion = 16.4; }; + 54442C1F2E378BAF008A870E = { + CreatedOnToolsVersion = 16.4; + }; }; }; buildConfigurationList = 54442BEF2E378B71008A870E /* Build configuration list for PBXProject "QLApps" */; @@ -100,6 +283,7 @@ projectRoot = ""; targets = ( 54442BF32E378B71008A870E /* QLApps */, + 54442C1F2E378BAF008A870E /* QLPreview */, ); }; /* End PBXProject section */ @@ -109,6 +293,18 @@ isa = PBXResourcesBuildPhase; buildActionMask = 2147483647; files = ( + 54442C712E378BDD008A870E /* Assets.xcassets in Resources */, + 54442C722E378BDD008A870E /* MainMenu.xib in Resources */, + ); + runOnlyForDeploymentPostprocessing = 0; + }; + 54442C1E2E378BAF008A870E /* Resources */ = { + isa = PBXResourcesBuildPhase; + buildActionMask = 2147483647; + files = ( + 545459C42EA469E4002892E5 /* defaultIcon.png in Resources */, + 545459C52EA469EA002892E5 /* template.html in Resources */, + 54442C7B2E378BE0008A870E /* PreviewViewController.xib in Resources */, ); runOnlyForDeploymentPostprocessing = 0; }; @@ -119,11 +315,56 @@ isa = PBXSourcesBuildPhase; buildActionMask = 2147483647; files = ( + 54442C702E378BDD008A870E /* AppDelegate.swift in Sources */, + ); + runOnlyForDeploymentPostprocessing = 0; + }; + 54442C1C2E378BAF008A870E /* Sources */ = { + isa = PBXSourcesBuildPhase; + buildActionMask = 2147483647; + files = ( + 54D3A6F02EA3F49F001EF4F6 /* RoundedIcon.swift in Sources */, + 5469E11D2EA5930C00D46CE7 /* Entitlements.swift in Sources */, + 54442C792E378BE0008A870E /* PreviewViewController.swift in Sources */, + 5405CF5C2EA1191A00613856 /* PreviewGenerator.swift in Sources */, + 54D3A6EE2EA39CC6001EF4F6 /* AppIcon.swift in Sources */, + 545459C92EA47C37002892E5 /* Plist.swift in Sources */, + 5405CF5E2EA1199B00613856 /* Shared.swift in Sources */, + 545459C72EA4773A002892E5 /* AppIcon+Car.swift in Sources */, + 54D3A6EC2EA31B52001EF4F6 /* AppCategories.swift in Sources */, + 5405CF652EA1376B00613856 /* Zip.swift in Sources */, ); runOnlyForDeploymentPostprocessing = 0; }; /* End PBXSourcesBuildPhase section */ +/* Begin PBXTargetDependency section */ + 54442C2F2E378BAF008A870E /* PBXTargetDependency */ = { + isa = PBXTargetDependency; + target = 54442C1F2E378BAF008A870E /* QLPreview */; + targetProxy = 54442C2E2E378BAF008A870E /* PBXContainerItemProxy */; + }; +/* End PBXTargetDependency section */ + +/* Begin PBXVariantGroup section */ + 54442C6D2E378BDD008A870E /* MainMenu.xib */ = { + isa = PBXVariantGroup; + children = ( + 54442C6C2E378BDD008A870E /* Base */, + ); + name = MainMenu.xib; + sourceTree = ""; + }; + 54442C762E378BE0008A870E /* PreviewViewController.xib */ = { + isa = PBXVariantGroup; + children = ( + 54442C752E378BE0008A870E /* Base */, + ); + name = PreviewViewController.xib; + sourceTree = ""; + }; +/* End PBXVariantGroup section */ + /* Begin XCBuildConfiguration section */ 54442BFF2E378B71008A870E /* Debug */ = { isa = XCBuildConfiguration; @@ -164,6 +405,7 @@ ENABLE_STRICT_OBJC_MSGSEND = YES; ENABLE_TESTABILITY = YES; ENABLE_USER_SCRIPT_SANDBOXING = YES; + FRAMEWORK_SEARCH_PATHS = "$(PROJECT_DIR)/PrivateFrameworks"; GCC_C_LANGUAGE_STANDARD = gnu17; GCC_DYNAMIC_NO_PIC = NO; GCC_NO_COMMON_BLOCKS = YES; @@ -179,13 +421,17 @@ GCC_WARN_UNUSED_FUNCTION = YES; GCC_WARN_UNUSED_VARIABLE = YES; LOCALIZATION_PREFERS_STRING_CATALOGS = YES; - MACOSX_DEPLOYMENT_TARGET = 15.5; + MACOSX_DEPLOYMENT_TARGET = 10.15; MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE; MTL_FAST_MATH = YES; ONLY_ACTIVE_ARCH = YES; SDKROOT = macosx; SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)"; SWIFT_OPTIMIZATION_LEVEL = "-Onone"; + SYSTEM_FRAMEWORK_SEARCH_PATHS = ( + "$(SYSTEM_LIBRARY_DIR)/PrivateFrameworks", + "$(inherited)", + ); }; name = Debug; }; @@ -228,8 +474,10 @@ ENABLE_NS_ASSERTIONS = NO; ENABLE_STRICT_OBJC_MSGSEND = YES; ENABLE_USER_SCRIPT_SANDBOXING = YES; + FRAMEWORK_SEARCH_PATHS = "$(PROJECT_DIR)/PrivateFrameworks"; GCC_C_LANGUAGE_STANDARD = gnu17; GCC_NO_COMMON_BLOCKS = YES; + GCC_PREPROCESSOR_DEFINITIONS = ""; GCC_WARN_64_TO_32_BIT_CONVERSION = YES; GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR; GCC_WARN_UNDECLARED_SELECTOR = YES; @@ -237,11 +485,15 @@ GCC_WARN_UNUSED_FUNCTION = YES; GCC_WARN_UNUSED_VARIABLE = YES; LOCALIZATION_PREFERS_STRING_CATALOGS = YES; - MACOSX_DEPLOYMENT_TARGET = 15.5; + MACOSX_DEPLOYMENT_TARGET = 10.15; MTL_ENABLE_DEBUG_INFO = NO; MTL_FAST_MATH = YES; SDKROOT = macosx; SWIFT_COMPILATION_MODE = wholemodule; + SYSTEM_FRAMEWORK_SEARCH_PATHS = ( + "$(SYSTEM_LIBRARY_DIR)/PrivateFrameworks", + "$(inherited)", + ); }; name = Release; }; @@ -251,10 +503,12 @@ ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor; CODE_SIGN_ENTITLEMENTS = QLApps/QLApps.entitlements; - CODE_SIGN_STYLE = Automatic; + "CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development"; + CODE_SIGN_STYLE = Manual; COMBINE_HIDPI_IMAGES = YES; - CURRENT_PROJECT_VERSION = 1; - DEVELOPMENT_TEAM = UY657LKNHJ; + CURRENT_PROJECT_VERSION = 641; + DEVELOPMENT_TEAM = ""; + "DEVELOPMENT_TEAM[sdk=macosx*]" = UY657LKNHJ; ENABLE_HARDENED_RUNTIME = YES; GENERATE_INFOPLIST_FILE = YES; INFOPLIST_KEY_NSHumanReadableCopyright = ""; @@ -267,6 +521,7 @@ MARKETING_VERSION = 1.0; PRODUCT_BUNDLE_IDENTIFIER = de.relikd.QLApps; PRODUCT_NAME = "$(TARGET_NAME)"; + PROVISIONING_PROFILE_SPECIFIER = ""; REGISTER_APP_GROUPS = YES; SWIFT_EMIT_LOC_STRINGS = YES; SWIFT_VERSION = 5.0; @@ -279,10 +534,12 @@ ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor; CODE_SIGN_ENTITLEMENTS = QLApps/QLApps.entitlements; - CODE_SIGN_STYLE = Automatic; + "CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development"; + CODE_SIGN_STYLE = Manual; COMBINE_HIDPI_IMAGES = YES; - CURRENT_PROJECT_VERSION = 1; - DEVELOPMENT_TEAM = UY657LKNHJ; + CURRENT_PROJECT_VERSION = 641; + DEVELOPMENT_TEAM = ""; + "DEVELOPMENT_TEAM[sdk=macosx*]" = UY657LKNHJ; ENABLE_HARDENED_RUNTIME = YES; GENERATE_INFOPLIST_FILE = YES; INFOPLIST_KEY_NSHumanReadableCopyright = ""; @@ -295,12 +552,71 @@ MARKETING_VERSION = 1.0; PRODUCT_BUNDLE_IDENTIFIER = de.relikd.QLApps; PRODUCT_NAME = "$(TARGET_NAME)"; + PROVISIONING_PROFILE_SPECIFIER = ""; REGISTER_APP_GROUPS = YES; SWIFT_EMIT_LOC_STRINGS = YES; SWIFT_VERSION = 5.0; }; name = Release; }; + 54442C322E378BAF008A870E /* Debug */ = { + isa = XCBuildConfiguration; + buildSettings = { + CODE_SIGN_ENTITLEMENTS = QLPreview/QLPreview.entitlements; + CODE_SIGN_STYLE = Manual; + CURRENT_PROJECT_VERSION = 641; + DEVELOPMENT_TEAM = ""; + "DEVELOPMENT_TEAM[sdk=macosx*]" = UY657LKNHJ; + ENABLE_HARDENED_RUNTIME = YES; + GENERATE_INFOPLIST_FILE = YES; + INFOPLIST_FILE = QLPreview/Info.plist; + INFOPLIST_KEY_CFBundleDisplayName = QLPreview; + INFOPLIST_KEY_NSHumanReadableCopyright = ""; + LD_RUNPATH_SEARCH_PATHS = ( + "$(inherited)", + "@executable_path/../Frameworks", + "@executable_path/../../../../Frameworks", + ); + MARKETING_VERSION = 1.0; + PRODUCT_BUNDLE_IDENTIFIER = de.relikd.QLApps.QLPreview; + PRODUCT_NAME = "$(TARGET_NAME)"; + PROVISIONING_PROFILE_SPECIFIER = ""; + SKIP_INSTALL = YES; + SWIFT_EMIT_LOC_STRINGS = YES; + SWIFT_INCLUDE_PATHS = "$(inherited) $(SRCROOT)/PrivateFrameworks/CoreUI.framework"; + SWIFT_VERSION = 5.0; + }; + name = Debug; + }; + 54442C332E378BAF008A870E /* Release */ = { + isa = XCBuildConfiguration; + buildSettings = { + CODE_SIGN_ENTITLEMENTS = QLPreview/QLPreview.entitlements; + CODE_SIGN_STYLE = Manual; + CURRENT_PROJECT_VERSION = 641; + DEVELOPMENT_TEAM = ""; + "DEVELOPMENT_TEAM[sdk=macosx*]" = UY657LKNHJ; + ENABLE_HARDENED_RUNTIME = YES; + GENERATE_INFOPLIST_FILE = YES; + INFOPLIST_FILE = QLPreview/Info.plist; + INFOPLIST_KEY_CFBundleDisplayName = QLPreview; + INFOPLIST_KEY_NSHumanReadableCopyright = ""; + LD_RUNPATH_SEARCH_PATHS = ( + "$(inherited)", + "@executable_path/../Frameworks", + "@executable_path/../../../../Frameworks", + ); + MARKETING_VERSION = 1.0; + PRODUCT_BUNDLE_IDENTIFIER = de.relikd.QLApps.QLPreview; + PRODUCT_NAME = "$(TARGET_NAME)"; + PROVISIONING_PROFILE_SPECIFIER = ""; + SKIP_INSTALL = YES; + SWIFT_EMIT_LOC_STRINGS = YES; + SWIFT_INCLUDE_PATHS = "$(inherited) $(SRCROOT)/PrivateFrameworks/CoreUI.framework"; + SWIFT_VERSION = 5.0; + }; + name = Release; + }; /* End XCBuildConfiguration section */ /* Begin XCConfigurationList section */ @@ -322,6 +638,15 @@ defaultConfigurationIsVisible = 0; defaultConfigurationName = Release; }; + 54442C352E378BAF008A870E /* Build configuration list for PBXNativeTarget "QLPreview" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 54442C322E378BAF008A870E /* Debug */, + 54442C332E378BAF008A870E /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; /* End XCConfigurationList section */ }; rootObject = 54442BEC2E378B71008A870E /* Project object */; diff --git a/QLApps.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/QLApps.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/QLApps.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/QLApps.xcodeproj/xcshareddata/xcschemes/QLApps.xcscheme b/QLApps.xcodeproj/xcshareddata/xcschemes/QLApps.xcscheme new file mode 100644 index 0000000..6a60361 --- /dev/null +++ b/QLApps.xcodeproj/xcshareddata/xcschemes/QLApps.xcscheme @@ -0,0 +1,78 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/QLApps.xcodeproj/xcshareddata/xcschemes/QLPreview.xcscheme b/QLApps.xcodeproj/xcshareddata/xcschemes/QLPreview.xcscheme new file mode 100644 index 0000000..45bb663 --- /dev/null +++ b/QLApps.xcodeproj/xcshareddata/xcschemes/QLPreview.xcscheme @@ -0,0 +1,97 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/QLApps/AppDelegate.swift b/QLApps/AppDelegate.swift index 6d144b8..929b9a1 100644 --- a/QLApps/AppDelegate.swift +++ b/QLApps/AppDelegate.swift @@ -1,30 +1,20 @@ -// -// AppDelegate.swift -// QLApps -// -// Created by - on 28.07.25. -// - import Cocoa @main class AppDelegate: NSObject, NSApplicationDelegate { - @IBOutlet var window: NSWindow! - - + + func applicationDidFinishLaunching(_ aNotification: Notification) { // Insert code here to initialize your application } - + func applicationWillTerminate(_ aNotification: Notification) { // Insert code here to tear down your application } - + func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool { return true } - - } diff --git a/QLPreview/Base.lproj/PreviewViewController.xib b/QLPreview/Base.lproj/PreviewViewController.xib new file mode 100644 index 0000000..32b474e --- /dev/null +++ b/QLPreview/Base.lproj/PreviewViewController.xib @@ -0,0 +1,22 @@ + + + + + + + + + + + + + + + + + + + + + + diff --git a/QLPreview/Info.plist b/QLPreview/Info.plist new file mode 100644 index 0000000..482981f --- /dev/null +++ b/QLPreview/Info.plist @@ -0,0 +1,26 @@ + + + + + NSExtension + + NSExtensionAttributes + + QLIsDataBasedPreview + + QLSupportedContentTypes + + com.apple.itunes.ipa + com.apple.application-and-system-extension + com.apple.xcode.archive + + QLSupportsSearchableItems + + + NSExtensionPointIdentifier + com.apple.quicklook.preview + NSExtensionPrincipalClass + $(PRODUCT_MODULE_NAME).PreviewViewController + + + diff --git a/QLPreview/PreviewViewController.swift b/QLPreview/PreviewViewController.swift new file mode 100644 index 0000000..28d5c16 --- /dev/null +++ b/QLPreview/PreviewViewController.swift @@ -0,0 +1,25 @@ +import Cocoa +import Quartz // QLPreviewingController +import WebKit // WebView +import os // OSLog + +// show Console logs with subsystem:de.relikd.QLApps +private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "main") + +class PreviewViewController: NSViewController, QLPreviewingController { + + override var nibName: NSNib.Name? { + return NSNib.Name("PreviewViewController") + } + + func preparePreviewOfFile(at url: URL) async throws { + let html = generateHtml(at: url) + // sure, we could use `WKWebView`, but that requires the `com.apple.security.network.client` entitlement + //let web = WKWebView(frame: self.view.bounds) + let web = WebView(frame: self.view.bounds) + web.autoresizingMask = [.width, .height] + self.view.addSubview(web) + web.mainFrame.loadHTMLString(html, baseURL: nil) // WebView + //web.loadHTMLString(html, baseURL: nil) // WKWebView + } +} diff --git a/QLPreview/QLPreview.entitlements b/QLPreview/QLPreview.entitlements new file mode 100644 index 0000000..18aff0c --- /dev/null +++ b/QLPreview/QLPreview.entitlements @@ -0,0 +1,10 @@ + + + + + com.apple.security.app-sandbox + + com.apple.security.files.user-selected.read-only + + + diff --git a/resources/defaultIcon.png b/resources/defaultIcon.png new file mode 100644 index 0000000..7899392 Binary files /dev/null and b/resources/defaultIcon.png differ diff --git a/resources/template.html b/resources/template.html new file mode 100644 index 0000000..44cfd42 --- /dev/null +++ b/resources/template.html @@ -0,0 +1,215 @@ + + + + + + + + +
+

__AppInfoTitle__

+
App icon
+
+ Name: __CFBundleName__
+ Version: __CFBundleShortVersionString__ (__CFBundleVersion__)
+ BundleId: __CFBundleIdentifier__
+
+ Extension type: __ExtensionType__
+
+ DeviceFamily: __UIDeviceFamily__
+ SDK: __DTSDKName__
+ Minimum OS Version: __MinimumOSVersion__
+
+
+

App Transport Security

+ __AppTransportSecurityFormatted__ +
+ +
+
+

Provisioning

+ Profile name: __ProfileName__
+
+
+

__ProfileName__

+
+ + Profile UUID: __ProfileUUID__
+ Profile Type: __ProfilePlatform__ __ProfileType__
+ Team: __TeamName__ (__TeamIds__)
+ Creation date: __CreationDateFormatted__
+ Expiration Date: __ExpirationDateFormatted__
+
+ +
+

Entitlements

+
+ Entitlements extraction failed. +
+ __EntitlementsFormatted__ +
+ +
+

Developer Certificates

+ __DeveloperCertificatesFormatted__ +
+ +
+

Devices (__ProvisionedDevicesCount__)

+ __ProvisionedDevicesFormatted__ +
+ +
+

iTunes Metadata

+ iTunesId: __iTunesId__
+ Title: __iTunesName__
+ Genres: __iTunesGenres__
+ Released: __iTunesReleaseDate__
+
+ AppleId: __iTunesAppleId__
+ Purchased: __iTunesPurchaseDate__
+ Price: __iTunesPrice__
+
+ +
+

File info

+ __FileName__
+ __FileInfo__
+
+
+

ProvisionQL v__BundleShortVersionString__ (__BundleVersion__) __DEBUG__ (Fork on GitHub)

+
+ + diff --git a/src/AppCategories.swift b/src/AppCategories.swift new file mode 100644 index 0000000..e5f80b1 --- /dev/null +++ b/src/AppCategories.swift @@ -0,0 +1,156 @@ +import Foundation + +/* + #!/usr/bin/env python3 + # download: https://itunes.apple.com/WebObjects/MZStoreServices.woa/ws/genres + import json + ids = {} + + def fn(data): + for k, v in data.items(): + ids[k] = v['name'] + if 'subgenres' in v: + fn(v['subgenres']) + + with open('genres.json', 'r') as fp: + for cat in json.load(fp).values(): + if 'App Store' in cat['name']: + fn(cat['subgenres']) + + print(',\n'.join(f'{k}: "{v}"' for k, v in ids.items())) + print(len(ids)) + */ + +let AppCategories: [Int: String] = [ + // MARK: iOS + 6018: "Books", + 6000: "Business", + 6022: "Catalogs", + 6026: "Developer Tools", + 6017: "Education", + 6016: "Entertainment", + 6015: "Finance", + 6023: "Food & Drink", + 6014: "Games", + 7001: "Action", + 7002: "Adventure", + 7004: "Board", + 7005: "Card", + 7006: "Casino", + 7003: "Casual", + 7007: "Dice", + 7008: "Educational", + 7009: "Family", + 7011: "Music", + 7012: "Puzzle", + 7013: "Racing", + 7014: "Role Playing", + 7015: "Simulation", + 7016: "Sports", + 7017: "Strategy", + 7018: "Trivia", + 7019: "Word", + 6027: "Graphics & Design", + 6013: "Health & Fitness", + 6012: "Lifestyle", + 6021: "Magazines & Newspapers", + 13007: "Arts & Photography", + 13006: "Automotive", + 13008: "Brides & Weddings", + 13009: "Business & Investing", + 13010: "Children's Magazines", + 13011: "Computers & Internet", + 13012: "Cooking, Food & Drink", + 13013: "Crafts & Hobbies", + 13014: "Electronics & Audio", + 13015: "Entertainment", + 13002: "Fashion & Style", + 13017: "Health, Mind & Body", + 13018: "History", + 13003: "Home & Garden", + 13019: "Literary Magazines & Journals", + 13020: "Men's Interest", + 13021: "Movies & Music", + 13001: "News & Politics", + 13004: "Outdoors & Nature", + 13023: "Parenting & Family", + 13024: "Pets", + 13025: "Professional & Trade", + 13026: "Regional News", + 13027: "Science", + 13005: "Sports & Leisure", + 13028: "Teens", + 13029: "Travel & Regional", + 13030: "Women's Interest", + 6020: "Medical", + 6011: "Music", + 6010: "Navigation", + 6009: "News", + 6008: "Photo & Video", + 6007: "Productivity", + 6006: "Reference", + 6024: "Shopping", + 6005: "Social Networking", + 6004: "Sports", + 6025: "Stickers", + 16003: "Animals & Nature", + 16005: "Art", + 16006: "Celebrations", + 16007: "Celebrities", + 16008: "Comics & Cartoons", + 16009: "Eating & Drinking", + 16001: "Emoji & Expressions", + 16026: "Fashion", + 16010: "Gaming", + 16025: "Kids & Family", + 16014: "Movies & TV", + 16015: "Music", + 16017: "People", + 16019: "Places & Objects", + 16021: "Sports & Activities", + 6003: "Travel", + 6002: "Utilities", + 6001: "Weather", + + // MARK: macOS + 12001: "Business", + 12002: "Developer Tools", + 12003: "Education", + 12004: "Entertainment", + 12005: "Finance", + 12006: "Games", + 12201: "Action", + 12202: "Adventure", + 12204: "Board", + 12205: "Card", + 12206: "Casino", + 12203: "Casual", + 12207: "Dice", + 12208: "Educational", + 12209: "Family", + 12210: "Kids", + 12211: "Music", + 12212: "Puzzle", + 12213: "Racing", + 12214: "Role Playing", + 12215: "Simulation", + 12216: "Sports", + 12217: "Strategy", + 12218: "Trivia", + 12219: "Word", + 12022: "Graphics & Design", + 12007: "Health & Fitness", + 12008: "Lifestyle", + 12010: "Medical", + 12011: "Music", + 12012: "News", + 12013: "Photography", + 12014: "Productivity", + 12015: "Reference", + 12016: "Social Networking", + 12017: "Sports", + 12018: "Travel", + 12019: "Utilities", + 12020: "Video", + 12021: "Weather", +] diff --git a/src/AppIcon+Car.swift b/src/AppIcon+Car.swift new file mode 100644 index 0000000..b136395 --- /dev/null +++ b/src/AppIcon+Car.swift @@ -0,0 +1,91 @@ +import Foundation +import AppKit // NSImage +import CoreUI // CUICatalog +import os // OSLog + +private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "AppIcon+Car") + +// this has been written from scratch but general usage on +// including the private framework has been taken from: +// https://github.com/showxu/cartools +// also see: +// https://blog.timac.org/2018/1018-reverse-engineering-the-car-file-format/ + +extension AppIcon { + /// Use `CUICatalog` to extract an image from `Assets.car` + func imageFromAssetsCar(_ imageName: String) -> NSImage? { + guard let data = meta.readPayloadFile("Assets.car") else { + return nil + } + let catalog: CUICatalog + do { + catalog = try data.withUnsafeBytes { try CUICatalog(bytes: $0.baseAddress!, length: UInt64(data.count)) } + } catch { + os_log(.error, log: log, "[icon-car] ERROR: could not open catalog: %{public}@", error.localizedDescription) + return nil + } + + if let validName = carVerifyNameExists(imageName, in: catalog) { + if let bestImage = carFindHighestResolutionIcon(catalog.images(withName: validName)) { + os_log(.debug, log: log, "[icon-car] using Assets.car with key %{public}@", validName) + return NSImage(cgImage: bestImage.image, size: bestImage.size) + } + } + return nil; + } + + + // MARK: - Helper: Assets.car + + /// Helper method to check available icon names. Will return a valid name or `nil` if no image with that key is found. + func carVerifyNameExists(_ imageName: String, in catalog: CUICatalog) -> String? { + if let availableNames = catalog.allImageNames(), !availableNames.contains(imageName) { + // Theoretically this should never happen. Assuming the image name is found in an image file. + os_log(.info, log: log, "[icon-car] WARN: key '%{public}@' does not match any available key", imageName) + + if let alternativeName = carSearchAlternativeName(imageName, inAvailable: availableNames) { + os_log(.info, log: log, "[icon-car] falling back to '%{public}@'", alternativeName) + return alternativeName + } + os_log(.debug, log: log, "[icon-car] available keys: %{public}@", catalog.allImageNames() ?? []) + return nil + } + return imageName; + } + + /// If exact name does not exist in catalog, search for a name that shares the same prefix. + /// E.g., "AppIcon60x60" may match "AppIcon" or "AppIcon60x60_small" + func carSearchAlternativeName(_ originalName: String, inAvailable availableNames: [String]) -> String? { + var bestOption: String? = nil + var bestDiff: Int = 999 + + for option in availableNames { + if option.hasPrefix(originalName) || originalName.hasPrefix(option) { + let thisDiff = max(originalName.count, option.count) - min(originalName.count, option.count) + if thisDiff < bestDiff { + bestDiff = thisDiff + bestOption = option + } + } + } + return bestOption + } + + /// Given a list of `CUINamedImage`, return the one with the highest resolution. Vector graphics are ignored. + func carFindHighestResolutionIcon(_ availableImages: [CUINamedImage]) -> CUINamedImage? { + var largestWidth: CGFloat = 0 + var largestImage: CUINamedImage? = nil + // cast to NSArray is necessary as otherwise this will crash + for img in availableImages as NSArray { + guard let img = img as? CUINamedImage else { + continue // ignore CUINamedMultisizeImageSet + } + let w = img.size.width + if w > largestWidth { + largestWidth = w + largestImage = img + } + } + return largestImage + } +} diff --git a/src/AppIcon.swift b/src/AppIcon.swift new file mode 100644 index 0000000..4e5b5f8 --- /dev/null +++ b/src/AppIcon.swift @@ -0,0 +1,105 @@ +import Foundation +import AppKit // NSImage +import os // OSLog + +private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "AppIcon") + + +struct AppIcon { + let meta: QuickLookInfo + + init(_ meta: QuickLookInfo) { + self.meta = meta + } + + /// Try multiple methods to extract image. + /// This method will always return an image even if none is found, in which case it returns the default image. + func extractImage(from appPlist: PlistDict?) -> NSImage { + // no need to unwrap the plist, and most .ipa should include the Artwork anyway + if meta.type == .IPA { + if let data = meta.zipFile!.unzipFile("iTunesArtwork") { + os_log(.debug, log: log, "[icon] using iTunesArtwork.") + return NSImage(data: data)! + } + } + + // Extract image name from app plist + var plistImgNames = iconNamesFromPlist(appPlist) + os_log(.debug, log: log, "[icon] icon names in plist: %{public}@", plistImgNames) + + // If no previous filename works (or empty), try default icon names + plistImgNames.append("Icon") + plistImgNames.append("icon") + + // First, try if an image file with that name exists. + if let actualName = expandImageName(plistImgNames) { + os_log(.debug, log: log, "[icon] using plist image file %{public}@", actualName) + if meta.type == .IPA { + let data = meta.zipFile!.unzipFile(actualName)! + return NSImage(data: data)! + } + return NSImage(contentsOfFile: actualName)! + } + + // Else: try Assets.car + if let img = imageFromAssetsCar(plistImgNames.first!) { + return img + } + + // Fallback to default icon + let iconURL = Bundle.main.url(forResource: "defaultIcon", withExtension: "png")! + return NSImage(contentsOf: iconURL)! + } +} + + +// MARK: - Extension: NSImage + +// AppIcon extension +extension NSImage { + /// Because some (PNG) image data will return weird float values + private func bestImageSize() -> NSSize { + var w: Int = 0 + var h: Int = 0 + for imageRep in self.representations { + w = max(w, imageRep.pixelsWide) + h = max(h, imageRep.pixelsHigh) + } + return NSSize(width: w, height: h) + } + + /// Apply rounded corners to image (iOS7 style) + func withRoundCorners() -> NSImage { + let existingSize = bestImageSize() + let composedImage = NSImage(size: existingSize) + + composedImage.lockFocus() + NSGraphicsContext.current?.imageInterpolation = .high + + let imageFrame = NSRect(origin: .zero, size: existingSize) + let clipPath = NSBezierPath.IOS7RoundedRect(imageFrame, cornerRadius: existingSize.width * 0.225) + clipPath.windingRule = .evenOdd + clipPath.addClip() + + self.draw(in: imageFrame) + composedImage.unlockFocus() + return composedImage + } + + /// Convert image to PNG and encode with base64 to be embeded in html output. + func asBase64() -> String { + // appIcon = [self roundCorners:appIcon]; + let imageData = tiffRepresentation! + let imageRep = NSBitmapImageRep(data: imageData)! + let imageDataPNG = imageRep.representation(using: .png, properties: [:])! + return imageDataPNG.base64EncodedString() + } + + /// If the image is larger than the provided maximum size, scale it down. Otherwise leave it untouched. +// func downscale(ifLargerThan maxSize: CGSize) { +// // TODO: if downscale, then this should respect retina resolution +// if size.width > maxSize.width && size.height > maxSize.height { +// self.size = maxSize +// } +// } +} diff --git a/src/Entitlements.swift b/src/Entitlements.swift new file mode 100644 index 0000000..0a72f41 --- /dev/null +++ b/src/Entitlements.swift @@ -0,0 +1,143 @@ +import Foundation +import os // OSLog + +private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "Entitlements") + + +struct Entitlements { + var hasError: Bool = false + /// only set after calling `applyFallbackIfNeeded(:)` + var html: String? = nil + + private let binaryPath: String + /// It is either `plist` or `codeSignErrors` not both. + private var plist: [String: Any]? = nil + /// It is either `plist` or `codeSignErrors` not both. + private var codeSignError: String? = nil + + /// Use provision plist data without running `codesign` or + static func withoutBinary() -> Self { + return Entitlements(forBinary: nil) + } + + /// First, try to extract real entitlements by running `SecCode` module in-memory. + /// If that fails, fallback to running `codesign` via system call. + init(forBinary path: String?) { + guard let path else { + self.binaryPath = "" + return + } + self.binaryPath = path + if FileManager.default.fileExists(atPath: path) { + self.plist = getSecCodeEntitlements() + } else { + os_log(.error, log: log, "[entitlements] provided binary '%{public}@' does not exist (unzip error?)", path) + self.plist = nil + self.codeSignError = nil + } + } + + + // MARK: - public methods + + /// Provided provision plist is only used if @c SecCode and @c CodeSign failed. + mutating func applyFallbackIfNeeded(_ fallbackEntitlementsPlist: PlistDict?) { + // checking for !error ensures that codesign gets precedence. + // show error before falling back to provision based entitlements. + if plist == nil && codeSignError == nil { + if let fallbackEntitlementsPlist { + os_log(.debug, log: log, "[entitlements] fallback to provision plist entitlements") + self.plist = fallbackEntitlementsPlist + } + } + self.html = format(plist) + self.plist = nil // free memory + self.codeSignError = nil + } + + /// Print formatted plist in a @c \
 tag
+	func format(_ plist: [String: Any]?) -> String? {
+		guard let plist else {
+			return codeSignError // may be nil
+		}
+		var output = ""
+		recursiveKeyValue(plist, &output)
+		return "
\(output)
"
+	}
+	
+	// MARK: - SecCode in-memory reader
+	
+	/// use in-memory `SecCode` for entitlement extraction
+	func getSecCodeEntitlements() -> PlistDict? {
+		let url = URL(fileURLWithPath: self.binaryPath)
+		var codeRef: SecStaticCode?
+		SecStaticCodeCreateWithPath(url as CFURL, [], &codeRef)
+		guard let codeRef else {
+			return nil
+		}
+		
+		var requirementInfo: CFDictionary?
+		SecCodeCopySigningInformation(codeRef, SecCSFlags(rawValue: kSecCSRequirementInformation), &requirementInfo)
+		guard let requirementInfo = requirementInfo as? PlistDict else {
+			return nil
+		}
+		
+		// if 'entitlements-dict' key exists, use that one
+		os_log(.debug, log: log, "[entitlements] read SecCode 'entitlements-dict' key")
+		if let plist = requirementInfo[kSecCodeInfoEntitlementsDict as String] as? PlistDict {
+			return plist
+		}
+		
+		// else, fallback to parse data from 'entitlements' key
+		os_log(.debug, log: log, "[entitlements] read SecCode 'entitlements' key")
+		guard let data = requirementInfo[kSecCodeInfoEntitlements as String] as? Data else {
+			return nil
+		}
+		
+		// expect magic number header. Currently no support for other formats.
+		let header = data.subdata(in: 0..<4)
+		guard header == Data([0xFA, 0xDE, 0x71, 0x71]) else {
+			os_log(.error, log: log, "[entitlements] unsupported embedded plist format: %{public}@", header as NSData)
+			return nil // try anyway?
+		}
+		
+		// big endian, so no memcpy for us :(
+		let size: UInt32 = (UInt32(data[4]) << 24) | (UInt32(data[5]) << 16) | (UInt32(data[6]) << 8) | UInt32(data[7])
+		if size != data.count {
+			os_log(.error, log: log, "[entitlements] unpack error for FADE7171 size %lu != %lu", data.count, size)
+			// but try anyway
+		}
+		return data.subdata(in: 8.. 0 ? String(repeating: " ", count: level * 4) : ""
+		let prefix = indent + (key?.appending(" = ") ?? "")
+		
+		if let dict = value as? [String: Any] {
+			if level > -1 {
+				output.append(prefix + "{\n")
+			}
+			for (subKey, subValue) in dict.sorted(by: { $0.key < $1.key }) {
+				recursiveKeyValue(subValue, &output, level + 1, subKey)
+			}
+			if level > -1 {
+				output.append(indent + "}\n")
+			}
+		} else if let array = value as? [Any] {
+			output.append(prefix + "(\n")
+			for element in array {
+				recursiveKeyValue(element, &output, level + 1, nil)
+			}
+			output.append(indent + ")\n")
+		} else if let data = value as? Data {
+			output.append(prefix + "\(data.count) bytes of data\n")
+		} else {
+			output.append(prefix + "\(value)\n")
+		}
+	}
+}
diff --git a/src/Plist.swift b/src/Plist.swift
new file mode 100644
index 0000000..e4bdd6b
--- /dev/null
+++ b/src/Plist.swift
@@ -0,0 +1,190 @@
+import Foundation
+import os // OSLog
+
+private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "Plist")
+
+
+typealias PlistDict = [String: Any] // basically an untyped Dict
+
+
+// MARK: -
+
+extension Data {
+	/// Helper for optional chaining.
+	func asPlistOrNil() -> PlistDict? {
+		if self.isEmpty {
+			return nil
+		}
+		//	var format: PropertyListSerialization.PropertyListFormat = .xml
+		do {
+			return try PropertyListSerialization.propertyList(from: self, format: nil) as? PlistDict
+		} catch {
+			os_log(.error, log: log, "ERROR reading plist %{public}@", error.localizedDescription)
+			return nil
+		}
+	}
+}
+
+
+// MARK: -
+
+extension QuickLookInfo {
+	/// Read app default `Info.plist`.
+	func readPlistApp() -> PlistDict? {
+		switch self.type {
+		case .IPA, .Archive, .Extension:
+			return self.readPayloadFile("Info.plist")?.asPlistOrNil()
+		}
+	}
+	
+	/// Read `iTunesMetadata.plist` if available
+	func readPlistItunes() -> PlistDict? {
+		switch self.type {
+		case .IPA:
+			return self.zipFile!.unzipFile("iTunesMetadata.plist")?.asPlistOrNil()
+		case .Archive, .Extension:
+			return nil
+		}
+	}
+	
+	/// Read `embedded.mobileprovision` file and decode with CMS decoder.
+	func readPlistProvision() -> PlistDict? {
+		guard let provisionData = self.readPayloadFile("embedded.mobileprovision") else {
+			os_log(.info, log: log, "No embedded.mobileprovision file for %{public}@", self.url.path)
+			return nil
+		}
+		
+		var decoder: CMSDecoder? = nil
+		CMSDecoderCreate(&decoder)
+		let data = provisionData.withUnsafeBytes { ptr in
+			CMSDecoderUpdateMessage(decoder!, ptr.baseAddress!, provisionData.count)
+			CMSDecoderFinalizeMessage(decoder!)
+			var dataRef: CFData?
+			CMSDecoderCopyContent(decoder!, &dataRef)
+			return Data(referencing: dataRef!)
+		}
+		return data.asPlistOrNil()
+	}
+}
+
+
+// MARK: -
+
+extension AppIcon {
+	/// Parse app plist to find the bundle icon filename.
+	/// @param appPlist If `nil`, will load plist on the fly (used for thumbnail)
+	/// @return Filenames which do not necessarily exist on filesystem. This may include `@2x` and/or no file extension.
+	func iconNamesFromPlist(_ appPlist: PlistDict?) -> [String] {
+		let appPlist = appPlist == nil ? meta.readPlistApp()! : appPlist!
+		// Check for CFBundleIcons (since 5.0)
+		if let icons = unpackNameListFromPlistDict(appPlist["CFBundleIcons"]), !icons.isEmpty {
+			return icons
+		}
+		// iPad-only apps
+		if let icons = unpackNameListFromPlistDict(appPlist["CFBundleIcons~ipad"]), !icons.isEmpty {
+			return icons
+		}
+		// Check for CFBundleIconFiles (since 3.2)
+		if let icons = appPlist["CFBundleIconFiles"] as? [String], !icons.isEmpty {
+			return icons
+		}
+		// key found on iTunesU app
+		if let icons = appPlist["Icon files"] as? [String], !icons.isEmpty {
+			return icons
+		}
+		// Check for CFBundleIconFile (legacy, before 3.2)
+		if let icon = appPlist["CFBundleIconFile"] as? String { // may be nil
+			return [icon]
+		}
+		return [] // [self sortedByResolution:icons];
+	}
+	
+	/// Given a filename, search Bundle or Filesystem for files that match. Select the filename with the highest resolution.
+	func expandImageName(_ iconList: [String]) -> String? {
+		var matches: [String] = []
+		switch meta.type {
+		case .IPA:
+			guard let zipFile = meta.zipFile else {
+				// in case unzip in memory is not available, fallback to pattern matching with dynamic suffix
+				return "Payload/*.app/\(iconList.first!)*"
+			}
+			for iconPath in iconList {
+				let zipPath = "Payload/*.app/\(iconPath)*"
+				for zip in zipFile.filesMatching(zipPath) {
+					if zip.sizeUncompressed > 0 {
+						matches.append(zip.filepath)
+					}
+				}
+				if matches.count > 0 {
+					break
+				}
+			}
+			
+		case .Archive, .Extension:
+			let basePath = meta.effectiveUrl ?? meta.url
+			for iconPath in iconList {
+				let fileName = iconPath.components(separatedBy: "/").last!
+				let parentDir = basePath.appendingPathComponent(iconPath, isDirectory: false).deletingLastPathComponent().path
+				guard let files = try? FileManager.default.contentsOfDirectory(atPath: parentDir) else {
+					continue
+				}
+				for file in files {
+					if file.hasPrefix(fileName) {
+						let fullPath = parentDir + "/" + file
+						if let fSize = try? FileManager.default.attributesOfItem(atPath: fullPath)[FileAttributeKey.size] as? Int {
+							if fSize > 0 {
+								matches.append(fullPath)
+							}
+						}
+					}
+				}
+				if matches.count > 0 {
+					break
+				}
+			}
+		}
+		return matches.isEmpty ? nil : sortedByResolution(matches).first
+	}
+	
+	/// Deep select icons from plist key `CFBundleIcons` and `CFBundleIcons~ipad`
+	private func unpackNameListFromPlistDict(_ bundleDict: Any?) -> [String]? {
+		if let bundleDict = bundleDict as? PlistDict {
+			if let primaryDict = bundleDict["CFBundlePrimaryIcon"] as? PlistDict {
+				if let icons = primaryDict["CFBundleIconFiles"] as? [String] {
+					return icons
+				}
+				if let name = primaryDict["CFBundleIconName"] as? String { // key found on a .tipa file
+					return [name]
+				}
+			}
+		}
+		return nil
+	}
+
+	/// @return lower index means higher resolution.
+	private func resolutionIndex(_ iconName: String) -> Int {
+		let lower = iconName.lowercased()
+		// "defaultX" = launch image
+		let penalty = lower.contains("small") || lower.hasPrefix("default") ? 20 : 0
+		
+		let resolutionOrder: [String] = [
+			"@3x", "180", "167", "152", "@2x", "120",
+			"144", "114", "87", "80", "76", "72", "58", "57"
+		]
+		for (i, res) in resolutionOrder.enumerated() {
+			if iconName.contains(res) {
+				return i + penalty
+			}
+		}
+		return 50 + penalty
+	}
+	
+	/// Given a list of filenames, order them highest resolution first.
+	private func sortedByResolution(_ icons: [String]) -> [String] {
+		return icons.sorted { (icon1, icon2) -> Bool in
+			let index1 = self.resolutionIndex(icon1)
+			let index2 = self.resolutionIndex(icon2)
+			return index1 < index2
+		}
+	}
+}
diff --git a/src/PreviewGenerator.swift b/src/PreviewGenerator.swift
new file mode 100644
index 0000000..64fcc92
--- /dev/null
+++ b/src/PreviewGenerator.swift
@@ -0,0 +1,555 @@
+import Foundation
+import os // OSLog
+
+private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "PreviewGenerator")
+
+typealias HtmlDict = [String: String] // used for TAG replacements
+
+
+// MARK: - Generic data formatting & printing
+
+typealias TableRow = [String]
+
+/// Print html table with arbitrary number of columns
+/// @param header If set, start the table with a `tr` column row.
+func formatAsTable(_ data: [[String]], header: TableRow? = nil) -> String {
+	var table = "\n"
+	if let header = header {
+		table += "\n"
+	}
+	for row in data {
+		table += "\n"
+	}
+	return table + "
\(header.joined(separator: ""))
\(row.joined(separator: ""))
\n"
+}
+
+/// Print recursive tree of key-value mappings.
+func recursiveDict(_ dictionary: [String: Any], withReplacements replacements: [String: String] = [:], _ level: Int = 0) -> String {
+	var output = ""
+	for (key, value) in dictionary {
+		let localizedKey = replacements[key] ?? key
+		for _ in 0..\n"
+			output += recursiveDict(subDict, withReplacements: replacements, level + 1)
+			output += "\n"
+		} else if let number = value as? NSNumber {
+			output += "\(localizedKey): \(number.boolValue ? "YES" : "NO")
"
+		} else {
+			output += "\(localizedKey): \(value)
"
+		}
+	}
+	return output
+}
+
+/// Replace occurrences of chars `&"'<>` with html encoding.
+func escapeXML(_ stringToEscape: String) -> String {
+	return stringToEscape
+		.replacingOccurrences(of: "&", with: "&")
+		.replacingOccurrences(of: "\"", with: """)
+		.replacingOccurrences(of: "'", with: "'")
+		.replacingOccurrences(of: "<", with: "<")
+		.replacingOccurrences(of: ">", with: ">")
+}
+
+
+// MARK: - Date processing
+
+/// @return Difference between two dates as components.
+func dateDiff(_ start: Date, _ end: Date) -> DateComponents {
+	return Calendar.current.dateComponents([.day, .hour, .minute], from: start, to: end)
+}
+
+/// @return Print largest component. E.g., "3 days" or "14 hours"
+func relativeDateString(_ comp: DateComponents) -> String {
+	let formatter = DateComponentsFormatter()
+	formatter.unitsStyle = .full
+	formatter.maximumUnitCount = 1
+	return formatter.string(from: comp)!
+}
+
+/// @return Print the date with current locale and medium length style.
+func formattedDate(_ date: Date) -> String {
+	let formatter = DateFormatter()
+	formatter.dateStyle = .medium
+	formatter.timeStyle = .medium
+	return formatter.string(from: date)
+}
+
+/// Parse date from plist regardless if it has `NSDate` or `NSString` type.
+func parseDate(_ value: Any?) -> Date? {
+	if let date = value as? Date {
+		return date
+	}
+	
+	guard let stringValue = value as? String else {
+		return nil
+	}
+	
+	// parse the date from a string
+	let formatter = DateFormatter()
+	formatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z"
+	if let date = formatter.date(from: stringValue) {
+		return date
+	}
+	formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ"
+	if let date = formatter.date(from: stringValue) {
+		return date
+	}
+	os_log(.error, log: log, "ERROR formatting date: %{public}@", stringValue)
+	return nil
+}
+
+/// @return Relative distance to today. E.g., "Expired today"
+func relativeExpirationDateString(_ date: Date) -> String {
+	let isPast = date < Date()
+	let isToday = Calendar.current.isDateInToday(date)
+	
+	if isToday {
+		return isPast ? "Expired today" : "Expires today"
+	}
+	
+	if isPast {
+		let comp = dateDiff(date, Date())
+		return "Expired \(relativeDateString(comp)) ago"
+	}
+	
+	let comp = dateDiff(Date(), date)
+	if comp.day! < 30 {
+		return "Expires in \(relativeDateString(comp))"
+	}
+	return "Expires in \(relativeDateString(comp))"
+}
+
+/// @return Relative distance to today. E.g., "DATE (Expires in 3 days)"
+func formattedExpirationDate(_ date: Date) -> String {
+	return "\(formattedDate(date)) (\(relativeExpirationDateString(date)))"
+}
+
+/// @return Relative distance to today. E.g., "DATE (Created 3 days ago)"
+func formattedCreationDate(_ date: Date) -> String {
+	let isToday = Calendar.current.isDateInToday(date)
+	let comp = dateDiff(date, Date())
+	return "\(formattedDate(date)) (Created \(isToday ? "today" : "\(relativeDateString(comp)) ago"))"
+}
+
+/// @return CSS class for expiration status.
+func classNameForExpirationStatus(_ date: Date?) -> String {
+	switch ExpirationStatus(date) {
+	case .Expired:  return "expired"
+	case .Expiring: return "expiring"
+	case .Valid:    return "valid"
+	}
+}
+
+
+// MARK: - App Info
+
+/// @return List of ATS flags.
+func formattedAppTransportSecurity(_ appPlist: PlistDict) -> String {
+	if let value = appPlist["NSAppTransportSecurity"] as? PlistDict {
+		let localizedKeys = [
+			"NSAllowsArbitraryLoads": "Allows Arbitrary Loads",
+			"NSAllowsArbitraryLoadsForMedia": "Allows Arbitrary Loads for Media",
+			"NSAllowsArbitraryLoadsInWebContent": "Allows Arbitrary Loads in Web Content",
+			"NSAllowsLocalNetworking": "Allows Local Networking",
+			"NSExceptionDomains": "Exception Domains",
+
+			"NSIncludesSubdomains": "Includes Subdomains",
+			"NSRequiresCertificateTransparency": "Requires Certificate Transparency",
+
+			"NSExceptionAllowsInsecureHTTPLoads": "Allows Insecure HTTP Loads",
+			"NSExceptionMinimumTLSVersion": "Minimum TLS Version",
+			"NSExceptionRequiresForwardSecrecy": "Requires Forward Secrecy",
+
+			"NSThirdPartyExceptionAllowsInsecureHTTPLoads": "Allows Insecure HTTP Loads",
+			"NSThirdPartyExceptionMinimumTLSVersion": "Minimum TLS Version",
+			"NSThirdPartyExceptionRequiresForwardSecrecy": "Requires Forward Secrecy",
+		]
+		
+		return "
\(recursiveDict(value, withReplacements: localizedKeys))
"
+	}
+	
+	let sdkName = appPlist["DTSDKName"] as? String ?? "0"
+	let sdkNumber = Double(sdkName.trimmingCharacters(in: .letters)) ?? 0
+	if sdkNumber < 9.0 {
+		return "Not applicable before iOS 9.0"
+	}
+	return "No exceptions"
+}
+
+/// Process info stored in `Info.plist`
+func procAppInfo(_ appPlist: PlistDict?) -> HtmlDict {
+	guard let appPlist else {
+		return [
+			"AppInfoHidden": "hiddenDiv",
+			"ProvisionTitleHidden": "",
+		]
+	}
+	
+	var platforms = (appPlist["UIDeviceFamily"] as? [Int])?.compactMap({
+		switch $0 {
+		case 1: return "iPhone"
+		case 2: return "iPad"
+		case 3: return "TV"
+		case 4: return "Watch"
+		default: return nil
+		}
+	}).joined(separator: ", ")
+	
+	let minVersion = appPlist["MinimumOSVersion"] as? String ?? ""
+	if platforms?.isEmpty ?? true, minVersion.hasPrefix("1.") || minVersion.hasPrefix("2.") || minVersion.hasPrefix("3.") {
+		platforms = "iPhone"
+	}
+	
+	let extensionType = (appPlist["NSExtension"] as? PlistDict)?["NSExtensionPointIdentifier"] as? String
+	return [
+		"AppInfoHidden": "",
+		"ProvisionTitleHidden": "hiddenDiv",
+		
+		"CFBundleName": appPlist["CFBundleDisplayName"] as? String ?? appPlist["CFBundleName"] as? String ?? "",
+		"CFBundleShortVersionString": appPlist["CFBundleShortVersionString"] as? String ?? "",
+		"CFBundleVersion": appPlist["CFBundleVersion"] as? String ?? "",
+		"CFBundleIdentifier": appPlist["CFBundleIdentifier"] as? String ?? "",
+		
+		"ExtensionTypeHidden": extensionType != nil ? "" : "hiddenDiv",
+		"ExtensionType": extensionType ?? "",
+		
+		"UIDeviceFamily": platforms ?? "",
+		"DTSDKName": appPlist["DTSDKName"] as? String ?? "",
+		"MinimumOSVersion": minVersion,
+		"AppTransportSecurityFormatted": formattedAppTransportSecurity(appPlist),
+	]
+}
+
+
+// MARK: - iTunes Purchase Information
+
+/// Concatenate all (sub)genres into a comma separated list.
+func formattedGenres(_ itunesPlist: PlistDict) -> String {
+	var genres: [String] = []
+	let genreId = itunesPlist["genreId"] as? Int ?? 0
+	if let mainGenre = AppCategories[genreId] ?? itunesPlist["genre"] as? String {
+		genres.append(mainGenre)
+	}
+	
+	for subgenre in itunesPlist["subgenres"] as? [PlistDict] ?? [] {
+		let subgenreId = subgenre["genreId"] as? Int ?? 0
+		if let subgenreStr = AppCategories[subgenreId] ?? subgenre["genre"] as? String {
+			genres.append(subgenreStr)
+		}
+	}
+	return genres.joined(separator: ", ")
+}
+
+/// Process info stored in `iTunesMetadata.plist`
+func parseItunesMeta(_ itunesPlist: PlistDict?) -> HtmlDict {
+	guard let itunesPlist else {
+		return ["iTunesHidden": "hiddenDiv"]
+	}
+	
+	let downloadInfo = itunesPlist["com.apple.iTunesStore.downloadInfo"] as? PlistDict
+	let accountInfo = downloadInfo?["accountInfo"] as? PlistDict ?? [:]
+	
+	let purchaseDate = parseDate(downloadInfo?["purchaseDate"] ?? itunesPlist["purchaseDate"])
+	let releaseDate = parseDate(downloadInfo?["releaseDate"] ?? itunesPlist["releaseDate"])
+	// AppleId & purchaser name
+	let appleId = accountInfo["AppleID"] as? String ?? itunesPlist["appleId"] as? String ?? ""
+	let firstName = accountInfo["FirstName"] as? String ?? ""
+	let lastName = accountInfo["LastName"] as? String ?? ""
+	
+	let name: String
+	if !firstName.isEmpty || !lastName.isEmpty {
+		name = "\(firstName) \(lastName) (\(appleId))"
+	} else {
+		name = appleId
+	}
+	os_log(.error, log: log, "id: %{public}@", String(describing: itunesPlist["itemId"]))
+	return [
+		"iTunesHidden": "",
+		"iTunesId": (itunesPlist["itemId"] as? Int)?.description ?? "", // description]
+		"iTunesName": itunesPlist["itemName"] as? String ?? "",
+		"iTunesGenres": formattedGenres(itunesPlist),
+		"iTunesReleaseDate": releaseDate == nil ? "" : formattedDate(releaseDate!),
+
+		"iTunesAppleId": name,
+		"iTunesPurchaseDate": purchaseDate == nil ? "" : formattedDate(purchaseDate!),
+		"iTunesPrice": itunesPlist["priceDisplay"] as? String ?? "",
+	]
+}
+
+
+// MARK: - Certificates
+
+/// Process a single certificate. Extract invalidity / expiration date.
+/// @param subject just used for printing error logs.
+func getCertificateInvalidityDate(_ certificate: SecCertificate, subject: String) -> Date? {
+	var error: Unmanaged?
+	guard let outerDict = SecCertificateCopyValues(certificate, [kSecOIDInvalidityDate] as CFArray, &error) as? PlistDict else {
+		os_log(.error, log: log, "Could not get values in '%{public}@' certificate, error = %{public}@", subject, error?.takeUnretainedValue().localizedDescription ?? "unknown error")
+		return nil
+	}
+	guard let innerDict = outerDict[kSecOIDInvalidityDate as String] as? PlistDict else {
+		os_log(.error, log: log, "No invalidity values in '%{public}@' certificate, dictionary = %{public}@", subject, outerDict)
+		return nil
+	}
+	// NOTE: the invalidity date type of kSecPropertyTypeDate is documented as a CFStringRef in the "Certificate, Key, and Trust Services Reference".
+	// In reality, it's a __NSTaggedDate (presumably a tagged pointer representing an NSDate.) But to be sure, we'll check:
+	guard let dateString = innerDict[kSecPropertyKeyValue as String] else {
+		os_log(.error, log: log, "No invalidity date in '%{public}@' certificate, dictionary = %{public}@", subject, innerDict)
+		return nil
+	}
+	return parseDate(dateString);
+}
+
+/// Process list of all certificates. Return a two column table with subject and expiration date.
+func getCertificateList(_ provisionPlist: PlistDict) -> [TableRow] {
+	guard let certs = provisionPlist["DeveloperCertificates"] as? [Data] else {
+		return []
+	}
+	return certs.compactMap {
+		guard let cert = SecCertificateCreateWithData(nil, $0 as CFData) else {
+			return nil
+		}
+		guard let subject = SecCertificateCopySubjectSummary(cert) as? String else {
+			os_log(.error, log: log, "Could not get subject from certificate")
+			return nil
+		}
+		let expiration: String
+		if let invalidityDate = getCertificateInvalidityDate(cert, subject: subject) {
+			expiration = relativeExpirationDateString(invalidityDate)
+		} else {
+			expiration = "No invalidity date in certificate"
+		}
+		return TableRow([subject, expiration])
+	}.sorted { $0[0] < $1[0] }
+}
+
+
+// MARK: - Provisioning
+
+/// Returns provision type string like "Development" or "Distribution (App Store)".
+func stringForProfileType(_ provisionPlist: PlistDict, isOSX: Bool) -> String {
+	let hasDevices = provisionPlist["ProvisionedDevices"] is [Any]
+	if isOSX {
+		return hasDevices ? "Development" : "Distribution (App Store)"
+	}
+	if hasDevices {
+		let getTaskAllow = (provisionPlist["Entitlements"] as? PlistDict)?["get-task-allow"] as? Bool ?? false
+		return getTaskAllow ? "Development" : "Distribution (Ad Hoc)"
+	}
+	let isEnterprise = provisionPlist["ProvisionsAllDevices"] as? Bool ?? false
+	return isEnterprise ? "Enterprise" : "Distribution (App Store)"
+}
+
+/// Enumerate all entries from provison plist with key `ProvisionedDevices`
+func getDeviceList(_ provisionPlist: PlistDict) -> [TableRow] {
+	guard let devArr = provisionPlist["ProvisionedDevices"] as? [String] else {
+		return []
+	}
+	var currentPrefix: String? = nil
+	return devArr.sorted().map { device in
+		// compute the prefix for the first column of the table
+		let displayPrefix: String
+		let devicePrefix = String(device.prefix(1))
+		if currentPrefix != devicePrefix {
+			currentPrefix = devicePrefix
+			displayPrefix = "\(devicePrefix) ➞ "
+		} else {
+			displayPrefix = ""
+		}
+		return [displayPrefix, device]
+	}
+}
+
+/// Process info stored in `embedded.mobileprovision`
+func procProvision(_ provisionPlist: PlistDict?, isOSX: Bool) -> HtmlDict {
+	guard let provisionPlist else {
+		return ["ProvisionHidden": "hiddenDiv"]
+	}
+
+	let creationDate = provisionPlist["CreationDate"] as? Date
+	let expireDate = provisionPlist["ExpirationDate"] as? Date
+	let devices = getDeviceList(provisionPlist)
+	let certs = getCertificateList(provisionPlist)
+	
+	return [
+		"ProvisionHidden": "",
+		"ProfileName": provisionPlist["Name"] as? String ?? "",
+		"ProfileUUID": provisionPlist["UUID"] as? String ?? "",
+		"TeamName": provisionPlist["TeamName"] as? String ?? "Team name not available",
+		"TeamIds": (provisionPlist["TeamIdentifier"] as? [String])?.joined(separator: ", ") ?? "Team ID not available",
+		"CreationDateFormatted": creationDate == nil ? "" : formattedCreationDate(creationDate!),
+		"ExpirationDateFormatted": expireDate == nil ? "" : formattedExpirationDate(expireDate!),
+		"ExpStatus": classNameForExpirationStatus(expireDate),
+
+		"ProfilePlatform": isOSX ? "Mac" : "iOS",
+		"ProfileType": stringForProfileType(provisionPlist, isOSX: isOSX),
+
+		"ProvisionedDevicesCount": devices.isEmpty ? "No Devices" : "\(devices.count) Device\(devices.count == 1 ? "" : "s")",
+		"ProvisionedDevicesFormatted": devices.isEmpty ? "Distribution Profile" : formatAsTable(devices, header: ["", "UDID"]),
+
+		"DeveloperCertificatesFormatted": certs.isEmpty ? "No Developer Certificates" : formatAsTable(certs),
+	]
+}
+
+
+// MARK: - Entitlements
+
+/// Search for app binary and run `codesign` on it.
+func readEntitlements(_ meta: QuickLookInfo, _ bundleExecutable: String?) -> Entitlements {
+	guard let bundleExecutable else {
+		return Entitlements.withoutBinary()
+	}
+	
+	switch meta.type {
+	case .IPA:
+		let tmpPath = NSTemporaryDirectory() + "/" + UUID().uuidString
+		try! FileManager.default.createDirectory(atPath: tmpPath, withIntermediateDirectories: true)
+		defer {
+			try? FileManager.default.removeItem(atPath: tmpPath)
+		}
+		try! meta.zipFile!.unzipFile("Payload/*.app/\(bundleExecutable)", toDir: tmpPath)
+		return Entitlements(forBinary: tmpPath + "/" + bundleExecutable)
+	case .Archive:
+		return Entitlements(forBinary: meta.effectiveUrl!.path + "/" + bundleExecutable)
+	case .Extension:
+		return Entitlements(forBinary: meta.url.path + "/" + bundleExecutable)
+	}
+}
+
+/// Process compiled binary and provision plist to extract `Entitlements`
+func procEntitlements(_ meta: QuickLookInfo, _ appPlist: PlistDict?, _ provisionPlist: PlistDict?) -> HtmlDict {
+	var entitlements = readEntitlements(meta, appPlist?["CFBundleExecutable"] as? String)
+	entitlements.applyFallbackIfNeeded(provisionPlist?["Entitlements"] as? PlistDict)
+	
+	return [
+		"EntitlementsWarningHidden": entitlements.hasError ? "" : "hiddenDiv",
+		"EntitlementsFormatted": entitlements.html ?? "No Entitlements",
+	]
+}
+
+
+// MARK: - File Info
+
+/// Title of the preview window
+func stringForFileType(_ meta: QuickLookInfo) -> String {
+	switch meta.type {
+	case .IPA:       return "App info"
+	case .Archive:   return "Archive info"
+	case .Extension: return "App extension info"
+	}
+}
+
+/// Calculate file / folder size.
+func getFileSize(_ path: String) -> Int64 {
+	var isDir: ObjCBool = false
+	FileManager.default.fileExists(atPath: path, isDirectory: &isDir)
+	if !isDir.boolValue {
+		return try! FileManager.default.attributesOfItem(atPath: path)[.size] as! Int64
+	}
+	var fileSize: Int64 = 0
+	for child in try! FileManager.default.subpathsOfDirectory(atPath: path) {
+		fileSize += try! FileManager.default.attributesOfItem(atPath: path + "/" + child)[.size] as! Int64
+	}
+	return fileSize
+}
+
+/// Process meta information about the file itself. Like file size and last modification.
+func procFileInfo(_ url: URL) -> HtmlDict {
+	let formattedValue : String
+	if let attrs = try? FileManager.default.attributesOfItem(atPath: url.path) {
+		let size = ByteCountFormatter.string(fromByteCount: getFileSize(url.path), countStyle: .file)
+		formattedValue = "\(size), Modified \(formattedDate(attrs[.modificationDate] as! Date))"
+	} else {
+		formattedValue = ""
+	}
+	return [
+		"FileName": escapeXML(url.lastPathComponent),
+		"FileInfo": formattedValue,
+	]
+}
+
+
+// MARK: - Footer Info
+
+/// Process meta information about the plugin. Like version and debug flag.
+func procFooterInfo() -> HtmlDict {
+#if DEBUG
+	let debugString = "(debug)"
+#else
+	let debugString = ""
+#endif
+	return [
+		"DEBUG": debugString,
+		"BundleShortVersionString": Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "",
+		"BundleVersion": Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "",
+	]
+}
+
+
+// MARK: - Main Entry
+
+func applyHtmlTemplate(_ templateValues: HtmlDict) -> String {
+	let templateURL = Bundle.main.url(forResource: "template", withExtension: "html")!
+	let html = try! String(contentsOf: templateURL, encoding: .utf8)
+	
+	// this is less efficient
+//	for (key, value) in templateValues {
+//		html = html.replacingOccurrences(of: "__\(key)__", with: value)
+//	}
+	
+	var rv = ""
+	var prevLoc = html.startIndex
+	let regex = try! NSRegularExpression(pattern: "__[^ _]{1,40}?__")
+	regex.enumerateMatches(in: html, range: NSRange(location: 0, length: html.count), using: { match, flags, stop  in
+		let start = html.index(html.startIndex, offsetBy: match!.range.lowerBound)
+		let key = String(html[html.index(start, offsetBy: 2) ..< html.index(start, offsetBy: match!.range.length - 2)])
+		// append unrelated text up to this key
+		rv.append(contentsOf: html[prevLoc ..< start])
+		prevLoc = html.index(start, offsetBy: match!.range.length)
+		// append key if exists (else remove template-key)
+		if let value = templateValues[key] {
+			rv.append(value)
+		} else {
+//			os_log(.debug, log: log, "unknown template key: %{public}@", key)
+		}
+	})
+	// append remaining text
+	rv.append(contentsOf: html[prevLoc ..< html.endIndex])
+	return rv
+}
+
+func generateHtml(at url: URL) -> String {
+	let meta = QuickLookInfo(url)
+	var infoLayer: HtmlDict = [
+		"AppInfoTitle": stringForFileType(meta),
+	]
+	
+	// App Info
+	let plistApp = meta.readPlistApp()
+	infoLayer.merge(procAppInfo(plistApp)) { (_, new) in new }
+	
+	let plistItunes = meta.readPlistItunes()
+	infoLayer.merge(parseItunesMeta(plistItunes)) { (_, new) in new }
+	
+	// Provisioning
+	let plistProvision = meta.readPlistProvision()
+	infoLayer.merge(procProvision(plistProvision, isOSX: meta.isOSX)) { (_, new) in new }
+	
+	// Entitlements
+	let entitlements = procEntitlements(meta, plistApp, plistProvision)
+	infoLayer.merge(entitlements) { (_, new) in new }
+	// File Info
+	infoLayer.merge(procFileInfo(url)) { (_, new) in new }
+	// Footer Info
+	infoLayer.merge(procFooterInfo()) { (_, new) in new }
+	// App Icon (last, because the image uses a lot of memory)
+	let icon = AppIcon(meta)
+	infoLayer["AppIcon"] = icon.extractImage(from: plistApp).withRoundCorners().asBase64()
+	// prepare html, replace values
+	return applyHtmlTemplate(infoLayer)
+}
diff --git a/src/RoundedIcon.swift b/src/RoundedIcon.swift
new file mode 100644
index 0000000..cc2cdee
--- /dev/null
+++ b/src/RoundedIcon.swift
@@ -0,0 +1,58 @@
+import Foundation
+import AppKit // NSBezierPath
+
+//
+//  NSBezierPath+IOS7RoundedRect
+//
+//  Created by Matej Dunik on 11/12/13.
+//  Copyright (c) 2013 PixelCut. All rights reserved except as below:
+//  This code is provided as-is, without warranty of any kind. You may use it in your projects as you wish.
+//
+
+extension NSBezierPath {
+	public class func IOS7RoundedRect(_ rect: NSRect, cornerRadius: CGFloat) -> NSBezierPath {
+		let path = NSBezierPath()
+		let limit = min(rect.size.width, rect.size.height) / 2 / 1.52866483
+		let limitedRadius = min(cornerRadius, limit)
+		
+		@inline(__always) func topLeft(_ x: CGFloat, _ y: CGFloat) -> NSPoint {
+			return NSPoint(x: rect.origin.x + x * limitedRadius, y: rect.origin.y + y * limitedRadius)
+		}
+		
+		@inline(__always) func topRight(_ x: CGFloat, _ y: CGFloat) -> NSPoint {
+			return NSPoint(x: rect.origin.x + rect.size.width - x * limitedRadius, y: rect.origin.y + y * limitedRadius)
+		}
+		
+		@inline(__always) func bottomRight(_ x: CGFloat, _ y: CGFloat) -> NSPoint {
+			return NSPoint(x: rect.origin.x + rect.size.width - x * limitedRadius, y: rect.origin.y + rect.size.height - y * limitedRadius)
+		}
+		
+		@inline(__always) func bottomLeft(_ x: CGFloat, _ y: CGFloat) -> NSPoint {
+			return NSPoint(x: rect.origin.x + x * limitedRadius, y: rect.origin.y + rect.size.height - y * limitedRadius)
+		}
+		
+		path.move(to: topLeft(1.52866483, 0.00000000))
+		path.line(to: topRight(1.52866471, 0.00000000))
+		path.curve(to: topRight(0.66993427, 0.06549600), controlPoint1: topRight(1.08849323, 0.00000000), controlPoint2: topRight(0.86840689, 0.00000000))
+		path.line(to: topRight(0.63149399, 0.07491100))
+		path.curve(to: topRight(0.07491176, 0.63149399), controlPoint1: topRight(0.37282392, 0.16905899), controlPoint2: topRight(0.16906013, 0.37282401))
+		path.curve(to: topRight(0.00000000, 1.52866483), controlPoint1: topRight(0.00000000, 0.86840701), controlPoint2: topRight(0.00000000, 1.08849299))
+		path.line(to: bottomRight(0.00000000, 1.52866471))
+		path.curve(to: bottomRight(0.06549569, 0.66993493), controlPoint1: bottomRight(0.00000000, 1.08849323), controlPoint2: bottomRight(0.00000000, 0.86840689))
+		path.line(to: bottomRight(0.07491111, 0.63149399))
+		path.curve(to: bottomRight(0.63149399, 0.07491111), controlPoint1: bottomRight(0.16905883, 0.37282392), controlPoint2: bottomRight(0.37282392, 0.16905883))
+		path.curve(to: bottomRight(1.52866471, 0.00000000), controlPoint1: bottomRight(0.86840689, 0.00000000), controlPoint2: bottomRight(1.08849323, 0.00000000))
+		path.line(to: bottomLeft(1.52866483, 0.00000000))
+		path.curve(to: bottomLeft(0.66993397, 0.06549569), controlPoint1: bottomLeft(1.08849299, 0.00000000), controlPoint2: bottomLeft(0.86840701, 0.00000000))
+		path.line(to: bottomLeft(0.63149399, 0.07491111))
+		path.curve(to: bottomLeft(0.07491100, 0.63149399), controlPoint1: bottomLeft(0.37282401, 0.16905883), controlPoint2: bottomLeft(0.16906001, 0.37282392))
+		path.curve(to: bottomLeft(0.00000000, 1.52866471), controlPoint1: bottomLeft(0.00000000, 0.86840689), controlPoint2: bottomLeft(0.00000000, 1.08849323))
+		path.line(to: topLeft(0.00000000, 1.52866483))
+		path.curve(to: topLeft(0.06549600, 0.66993397), controlPoint1: topLeft(0.00000000, 1.08849299), controlPoint2: topLeft(0.00000000, 0.86840701))
+		path.line(to: topLeft(0.07491100, 0.63149399))
+		path.curve(to: topLeft(0.63149399, 0.07491100), controlPoint1: topLeft(0.16906001, 0.37282401), controlPoint2: topLeft(0.37282401, 0.16906001))
+		path.curve(to: topLeft(1.52866483, 0.00000000), controlPoint1: topLeft(0.86840701, 0.00000000), controlPoint2: topLeft(1.08849299, 0.00000000))
+		path.close()
+		return path
+	}
+}
diff --git a/src/Shared.swift b/src/Shared.swift
new file mode 100644
index 0000000..948e465
--- /dev/null
+++ b/src/Shared.swift
@@ -0,0 +1,91 @@
+import Foundation
+import os // OSLog
+
+private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "Shared")
+
+
+// Init QuickLook Type
+enum FileType {
+	case IPA
+	case Archive
+	case Extension
+}
+
+struct QuickLookInfo {
+	let UTI: String
+	let url: URL
+	let effectiveUrl: URL? // if set, will point to the app inside of an archive
+	
+	let type: FileType
+	let zipFile: ZipFile? // only set for zipped file types
+	let isOSX = false
+	
+	/// Use file url and UTI type to generate an info object to pass around.
+	init(_ url: URL) {
+		self.url = url
+		self.UTI = try! url.resourceValues(forKeys:  [.typeIdentifierKey]).typeIdentifier ?? "Unknown"
+		
+		var effective: URL? = nil
+		var zipFile: ZipFile? = nil
+		
+		switch self.UTI {
+		case "com.apple.itunes.ipa":
+			self.type = FileType.IPA;
+			zipFile = ZipFile(self.url.path);
+		case "com.apple.xcode.archive":
+			self.type = FileType.Archive;
+			effective = appPathForArchive(self.url);
+		case "com.apple.application-and-system-extension":
+			self.type = FileType.Extension;
+		default:
+			os_log(.error, log: log, "Unsupported file type: %{public}@", self.UTI)
+			fatalError()
+		}
+		self.zipFile = zipFile
+		self.effectiveUrl = effective
+	}
+	
+	/// Load a file from bundle into memory. Either by file path or via unzip.
+	func readPayloadFile(_ filename: String) -> Data? {
+		switch (self.type) {
+		case .IPA:
+			return zipFile!.unzipFile("Payload/*.app/".appending(filename))
+		case .Archive:
+			return try? Data(contentsOf: effectiveUrl!.appendingPathComponent(filename))
+		case .Extension:
+			return try? Data(contentsOf: url.appendingPathComponent(filename))
+		}
+	}
+}
+
+
+// MARK: - Meta data for QuickLook
+
+/// Search an archive for the .app or .ipa bundle.
+func appPathForArchive(_ url: URL) -> URL? {
+	let appsDir = url.appendingPathComponent("Products/Applications/")
+	if FileManager.default.fileExists(atPath: appsDir.path) {
+		if let x = try? FileManager.default.contentsOfDirectory(at: appsDir, includingPropertiesForKeys: nil), !x.isEmpty {
+			return x.first
+		}
+	}
+	return nil;
+}
+
+
+// MARK: - Other helper
+
+enum ExpirationStatus {
+	case Expired
+	case Expiring
+	case Valid
+	
+	/// Check time between date and now. Set Expiring if less than 30 days until expiration
+	init(_ date: Date?) {
+		if date == nil || date!.timeIntervalSinceNow < 0 {
+			self = .Expired
+		}
+		let components = Calendar.current.dateComponents([.day], from: Date(), to: date!)
+		self = components.day! < 30 ? .Expiring : .Valid
+	}
+}
diff --git a/src/ThumbnailGenerator.swift b/src/ThumbnailGenerator.swift
new file mode 100644
index 0000000..934dcb6
--- /dev/null
+++ b/src/ThumbnailGenerator.swift
@@ -0,0 +1,162 @@
+import Foundation
+
+////#import "Shared.h"
+//#import "AppIcon.h"
+//
+//// makro to stop further processing
+//#define ALLOW_EXIT if (QLThumbnailRequestIsCancelled(thumbnail)) { return noErr; }
+//
+////Layout constants
+//#define BADGE_MARGIN        10.0
+//#define MIN_BADGE_WIDTH     40.0
+//#define BADGE_HEIGHT        75.0
+//#define BADGE_MARGIN_X      60.0
+//#define BADGE_MARGIN_Y      80.0
+//
+////Drawing constants
+//#define BADGE_BG_COLOR          [NSColor lightGrayColor]
+//#define BADGE_VALID_COLOR       [NSColor colorWithCalibratedRed:(0/255.0) green:(98/255.0) blue:(25/255.0) alpha:1]
+//#define BADGE_EXPIRING_COLOR    [NSColor colorWithCalibratedRed:(146/255.0) green:(95/255.0) blue:(28/255.0) alpha:1]
+//#define BADGE_EXPIRED_COLOR     [NSColor colorWithCalibratedRed:(141/255.0) green:(0/255.0) blue:(7/255.0) alpha:1]
+//#define BADGE_FONT              [NSFont boldSystemFontOfSize:64]
+//
+//
+//OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize);
+//void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail);
+//
+///* -----------------------------------------------------------------------------
+// Generate a thumbnail for file
+// 
+// This function's job is to create thumbnail for designated file as fast as possible
+// ----------------------------------------------------------------------------- */
+//
+//// MARK: .ipa .xcarchive
+//
+//OSStatus renderAppIcon(QuickLookInfo meta, QLThumbnailRequestRef thumbnail) {
+//	AppIcon *icon = [AppIcon load:meta];
+//	if (!icon.canExtractImage) {
+//		return noErr;
+//	}
+//	
+//	// set magic flag to draw icon without additional markers
+//	static const NSString *IconFlavor;
+//	if (@available(macOS 10.15, *)) {
+//		IconFlavor = @"icon";
+//	} else {
+//		IconFlavor = @"IconFlavor";
+//	}
+//	NSDictionary *propertiesDict = nil;
+//	if (meta.type == FileTypeArchive) {
+//		// 0: Plain transparent, 1: Shadow, 2: Book, 3: Movie, 4: Address, 5: Image,
+//		// 6: Gloss, 7: Slide, 8: Square, 9: Border, 11: Calendar, 12: Pattern
+//		propertiesDict = @{IconFlavor : @(12)}; // looks like "in development"
+//	} else {
+//		propertiesDict = @{IconFlavor : @(0)}; // no border, no anything
+//	}
+//	
+//	NSImage *appIcon = [[icon extractImage:nil] withRoundCorners];
+//	ALLOW_EXIT
+//	
+//	// image-only icons can be drawn efficiently by calling `SetImage` directly.
+//	QLThumbnailRequestSetImageWithData(thumbnail, (__bridge CFDataRef)[appIcon TIFFRepresentation], (__bridge CFDictionaryRef)propertiesDict);
+//	return noErr;
+//}
+//
+//
+//// MARK: .provisioning
+//
+//OSStatus renderProvision(QuickLookInfo meta, QLThumbnailRequestRef thumbnail, BOOL iconMode) {
+//	NSDictionary *propertyList = readPlistProvision(meta);
+//	ALLOW_EXIT
+//	
+//	NSUInteger devicesCount = arrayOrNil(propertyList[@"ProvisionedDevices"]).count;
+//	NSDate *expirationDate = dateOrNil(propertyList[@"ExpirationDate"]);
+//	
+//	NSImage *appIcon = nil;
+//	if (iconMode) {
+//		NSURL *iconURL = [[NSBundle bundleWithIdentifier:kPluginBundleId] URLForResource:@"blankIcon" withExtension:@"png"];
+//		appIcon = [[NSImage alloc] initWithContentsOfURL:iconURL];
+//	} else {
+//		appIcon = [[NSWorkspace sharedWorkspace] iconForFileType:meta.UTI];
+//		[appIcon setSize:NSMakeSize(512, 512)];
+//	}
+//	ALLOW_EXIT
+//	
+//	NSRect renderRect = NSMakeRect(0.0, 0.0, appIcon.size.width, appIcon.size.height);
+//	
+//	// Font attributes
+//	NSColor *outlineColor;
+//	switch (expirationStatus(expirationDate)) {
+//		case ExpirationStatusExpired:  outlineColor = BADGE_EXPIRED_COLOR; break;
+//		case ExpirationStatusExpiring: outlineColor = BADGE_EXPIRING_COLOR; break;
+//		case ExpirationStatusValid:    outlineColor = BADGE_VALID_COLOR; break;
+//	}
+//	
+//	NSMutableParagraphStyle *paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
+//	paragraphStyle.lineBreakMode = NSLineBreakByTruncatingTail;
+//	paragraphStyle.alignment = NSTextAlignmentCenter;
+//	
+//	NSDictionary *fontAttrs = @{
+//		NSFontAttributeName : BADGE_FONT,
+//		NSForegroundColorAttributeName : outlineColor,
+//		NSParagraphStyleAttributeName: paragraphStyle
+//	};
+//	
+//	// Badge size & placement
+//	int badgeX = renderRect.origin.x + BADGE_MARGIN_X;
+//	int badgeY = renderRect.origin.y + renderRect.size.height - BADGE_HEIGHT - BADGE_MARGIN_Y;
+//	if (!iconMode) {
+//		badgeX += 75;
+//		badgeY -= 10;
+//	}
+//	int badgeNumX = badgeX + BADGE_MARGIN;
+//	NSPoint badgeTextPoint = NSMakePoint(badgeNumX, badgeY);
+//	
+//	NSString *badge = [NSString stringWithFormat:@"%lu",(unsigned long)devicesCount];
+//	NSSize badgeNumSize = [badge sizeWithAttributes:fontAttrs];
+//	int badgeWidth = badgeNumSize.width + BADGE_MARGIN * 2;
+//	NSRect badgeOutlineRect = NSMakeRect(badgeX, badgeY, MAX(badgeWidth, MIN_BADGE_WIDTH), BADGE_HEIGHT);
+//	
+//	// Do as much work as possible before the `CreateContext`. We can try to quit early before that!
+//	CGContextRef _context = QLThumbnailRequestCreateContext(thumbnail, renderRect.size, false, NULL);
+//	if (_context) {
+//		NSGraphicsContext *_graphicsContext = [NSGraphicsContext graphicsContextWithCGContext:(void *)_context flipped:NO];
+//		[NSGraphicsContext setCurrentContext:_graphicsContext];
+//		[appIcon drawInRect:renderRect];
+//		
+//		NSBezierPath *badgePath = [NSBezierPath bezierPathWithRoundedRect:badgeOutlineRect xRadius:10 yRadius:10];
+//		[badgePath setLineWidth:8.0];
+//		[BADGE_BG_COLOR set];
+//		[badgePath fill];
+//		[outlineColor set];
+//		[badgePath stroke];
+//		
+//		[badge drawAtPoint:badgeTextPoint withAttributes:fontAttrs];
+//		
+//		QLThumbnailRequestFlushContext(thumbnail, _context);
+//		CFRelease(_context);
+//	}
+//	return noErr;
+//}
+//
+//
+//// MARK: Main Entry
+//
+//OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize) {
+//	@autoreleasepool {
+//		QuickLookInfo meta = initQLInfo(contentTypeUTI, url);
+//		
+//		if (meta.type == FileTypeProvision) {
+//			NSDictionary *optionsDict = (__bridge NSDictionary *)options;
+//			BOOL iconMode = ([optionsDict objectForKey:(NSString *)kQLThumbnailOptionIconModeKey]) ? YES : NO;
+//			return renderProvision(meta, thumbnail, iconMode);
+//		} else {
+//			return renderAppIcon(meta, thumbnail);
+//		}
+//	}
+//	return noErr;
+//}
+//
+//void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail) {
+//	// Implement only if supported
+//}
diff --git a/src/Zip.swift b/src/Zip.swift
new file mode 100644
index 0000000..95b87be
--- /dev/null
+++ b/src/Zip.swift
@@ -0,0 +1,366 @@
+import Foundation
+import Compression // compression_decode_buffer
+import zlib // Z_DEFLATED, crc32
+import os // OSLog
+
+private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "Zip")
+
+
+// MARK: - Helper to parse byte headers
+
+private struct ByteScanner {
+	private let data: Data
+	private var index: Int
+	private let endIndex: Int
+	
+	init (_ data: Data, start: Int) {
+		self.data = data
+		self.index = start
+		self.endIndex = data.endIndex
+	}
+	
+	mutating func scan() -> T {
+		let newIndex = index + MemoryLayout.size
+		if newIndex > endIndex {
+			os_log(.fault, log: log, "ByteScanner out of bounds")
+			fatalError()
+		}
+		let result = data.subdata(in: index ..< newIndex).withUnsafeBytes { $0.load(as: T.self) }
+		index = newIndex
+		return result
+	}
+	
+	mutating func scanString(length: Int) -> String {
+		let bytes = data.subdata(in: index ..< index + length)
+		index += length
+		return String(data: bytes, encoding: .utf8) ?? ""
+	}
+}
+
+
+// MARK: - ZIP Headers
+
+// See http://en.wikipedia.org/wiki/ZIP_(file_format)#File_headers
+
+/// Local file header
+private struct ZIP_LocalFile {
+	static let LENGTH: Int = 30
+	
+	let magicNumber: UInt32  // 50 4B 03 04
+	let versionNeededToExtract: UInt16
+	let generalPurposeBitFlag: UInt16
+	let compressionMethod: UInt16
+	let fileLastModificationTime: UInt16
+	let fileLastModificationDate: UInt16
+	let CRC32: UInt32
+	let compressedSize: UInt32
+	let uncompressedSize: UInt32
+	let fileNameLength: UInt16
+	let extraFieldLength: UInt16
+	
+//	let fileName: String
+	// Extra field
+	
+	init(_ data: Data, start: Data.Index = 0) {
+		var scanner = ByteScanner(data, start: start)
+		magicNumber = scanner.scan()
+		versionNeededToExtract = scanner.scan()
+		generalPurposeBitFlag = scanner.scan()
+		compressionMethod = scanner.scan()
+		fileLastModificationTime = scanner.scan()
+		fileLastModificationDate = scanner.scan()
+		CRC32 = scanner.scan()
+		compressedSize = scanner.scan()
+		uncompressedSize = scanner.scan()
+		fileNameLength = scanner.scan()
+		extraFieldLength = scanner.scan()
+//		fileName = scanner.scanString(length: Int(fileNameLength))
+	}
+}
+
+/// Central directory file header
+private struct ZIP_CDFH {
+	static let LENGTH: Int = 46
+	
+	let magicNumber: UInt32 // 50 4B 01 02
+	let versionMadeBy: UInt16
+	let versionNeededToExtract: UInt16
+	let generalPurposeBitFlag: UInt16
+	let compressionMethod: UInt16
+	let fileLastModificationTime: UInt16
+	let fileLastModificationDate: UInt16
+	let CRC32: UInt32
+	let compressedSize: UInt32
+	let uncompressedSize: UInt32
+	let fileNameLength: UInt16
+	let extraFieldLength: UInt16
+	let fileCommentLength: UInt16
+	let diskNumberWhereFileStarts: UInt16
+	let internalFileAttributes: UInt16
+	let externalFileAttributes: UInt32
+	let relativeOffsetOfLocalFileHeader: UInt32
+	
+	let fileName: String
+	// Extra field
+	// File comment
+	
+	init(_ data: Data, start: Data.Index = 0) {
+		var scanner = ByteScanner(data, start: start)
+		magicNumber = scanner.scan()
+		versionMadeBy = scanner.scan()
+		versionNeededToExtract = scanner.scan()
+		generalPurposeBitFlag = scanner.scan()
+		compressionMethod = scanner.scan()
+		fileLastModificationTime = scanner.scan()
+		fileLastModificationDate = scanner.scan()
+		CRC32 = scanner.scan()
+		compressedSize = scanner.scan()
+		uncompressedSize = scanner.scan()
+		fileNameLength = scanner.scan()
+		extraFieldLength = scanner.scan()
+		fileCommentLength = scanner.scan()
+		diskNumberWhereFileStarts = scanner.scan()
+		internalFileAttributes = scanner.scan()
+		externalFileAttributes = scanner.scan()
+		relativeOffsetOfLocalFileHeader = scanner.scan()
+		fileName = scanner.scanString(length: Int(fileNameLength))
+	}
+}
+
+/// End of central directory record
+private struct ZIP_EOCD {
+	static let LENGTH: Int = 22
+	
+	let magicNumber: UInt32 // 50 4B 05 06
+	let numberOfThisDisk: UInt16
+	let diskWhereCentralDirectoryStarts: UInt16
+	let numberOfCentralDirectoryRecordsOnThisDisk: UInt16
+	let totalNumberOfCentralDirectoryRecords: UInt16
+	let sizeOfCentralDirectory: UInt32
+	let offsetOfStartOfCentralDirectory: UInt32
+	let commentLength: UInt16
+	// Comment
+	
+	init(_ data: Data, start: Data.Index = 0) {
+		var scanner = ByteScanner(data, start: start)
+		magicNumber = scanner.scan()
+		numberOfThisDisk = scanner.scan()
+		diskWhereCentralDirectoryStarts = scanner.scan()
+		numberOfCentralDirectoryRecordsOnThisDisk = scanner.scan()
+		totalNumberOfCentralDirectoryRecords = scanner.scan()
+		sizeOfCentralDirectory = scanner.scan()
+		offsetOfStartOfCentralDirectory = scanner.scan()
+		commentLength = scanner.scan()
+	}
+}
+
+
+// MARK: - CRC32 check
+
+extension Data {
+	func crc() -> UInt32 {
+		return UInt32(self.withUnsafeBytes { crc32(0, $0.baseAddress!, UInt32($0.count)) })
+	}
+}
+
+
+// MARK: - Unzip data
+
+func unzipFileEntry(_ path: String, _ entry: ZipEntry) -> Data? {
+	guard let fp = FileHandle(forReadingAtPath: path) else {
+		return nil
+	}
+	defer {
+		try? fp.close()
+	}
+	fp.seek(toFileOffset: UInt64(entry.offset))
+	let file_record = ZIP_LocalFile(fp.readData(ofLength: ZIP_LocalFile.LENGTH))
+	os_log(.debug, log: log, "header: %{public}@ vs  %{public}@", String(describing: file_record), String(describing: entry))
+	
+	// central directory size and local file size may differ! use local file for ground truth
+	let dataOffset = Int(entry.offset) + ZIP_LocalFile.LENGTH + Int(file_record.fileNameLength) + Int(file_record.extraFieldLength)
+	fp.seek(toFileOffset: UInt64(dataOffset))
+	let rawData = fp.readData(ofLength: Int(entry.sizeCompressed))
+	
+	if entry.method == Z_DEFLATED {
+		let size = Int(entry.sizeUncompressed)
+		let buffer = UnsafeMutablePointer.allocate(capacity: size)
+		defer {
+			buffer.deallocate()
+		}
+		
+		let uncompressedData = rawData.withUnsafeBytes ({
+			let ptr = $0.baseAddress!.bindMemory(to: UInt8.self, capacity: 1)
+			let read = compression_decode_buffer(buffer, size, ptr, Int(entry.sizeCompressed), nil, COMPRESSION_ZLIB)
+			return Data(bytes: buffer, count:read)
+		})
+		if file_record.CRC32 != 0, uncompressedData.crc() != file_record.CRC32 {
+			os_log(.error, log: log, "CRC check failed (after uncompress)")
+			return nil
+		}
+		return uncompressedData
+		
+	} else if entry.method == 0 {
+		if file_record.CRC32 != 0, rawData.crc() != file_record.CRC32 {
+			os_log(.error, log: log, "CRC check failed (uncompressed data)")
+			return nil
+		}
+		return rawData
+		
+	} else {
+		os_log(.error, log: log, "unimplemented compression method: %{public}d", entry.method)
+		return nil
+	}
+}
+
+
+// MARK: - List files
+
+private func listZip(_ path: String) -> [ZipEntry] {
+	guard let fp = FileHandle(forReadingAtPath: path) else {
+		return []
+	}
+	defer {
+		try? fp.close()
+	}
+	
+	guard let endRecord = findCentralDirectory(fp), endRecord.sizeOfCentralDirectory > 0 else {
+		return [];
+	}
+	return listDirectoryEntries(fp, endRecord);
+}
+
+/// Find signature for central directory.
+private func findCentralDirectory(_ fp: FileHandle) -> ZIP_EOCD? {
+	let eof = fp.seekToEndOfFile()
+	fp.seek(toFileOffset: max(0, eof - 4096))
+	let data = fp.readDataToEndOfFile()
+	
+	let centralDirSignature: [UInt8] = [0x50, 0x4b, 0x05, 0x06]
+	
+	guard let range = data.lastRange(of: centralDirSignature) else {
+		os_log(.error, log: log, "no zip end-header found!")
+		return nil
+	}
+	return ZIP_EOCD(data, start: range.lowerBound)
+}
+
+/// List all files and folders of of the central directory.
+private func listDirectoryEntries(_ fp: FileHandle, _ centralDir: ZIP_EOCD) -> [ZipEntry] {
+	fp.seek(toFileOffset: UInt64(centralDir.offsetOfStartOfCentralDirectory))
+	let data = fp.readData(ofLength: Int(centralDir.sizeOfCentralDirectory))
+	let total = data.count
+	
+	var idx = 0
+	var entries: [ZipEntry] = []
+	
+	while idx + ZIP_CDFH.LENGTH < total {
+		let record = ZIP_CDFH(data, start: idx)
+		// read filename
+		idx += ZIP_CDFH.LENGTH
+		let filename = String(data: data.subdata(in: idx ..< idx + Int(record.fileNameLength)), encoding: .utf8)!
+		entries.append(ZipEntry(filename, record))
+		// update index
+		idx += Int(record.fileNameLength + record.extraFieldLength + record.fileCommentLength)
+	}
+	return entries
+}
+
+
+// MARK: - ZipEntry
+
+struct ZipEntry {
+	let filepath: String
+	let offset: UInt32
+	let method: UInt16
+	let sizeCompressed: UInt32
+	let sizeUncompressed: UInt32
+	let filenameLength: UInt16
+	let extraFieldLength: UInt16
+	let CRC32: UInt32
+	
+	fileprivate init(_ filename: String, _ record: ZIP_CDFH) {
+		self.filepath = filename
+		self.offset = record.relativeOffsetOfLocalFileHeader
+		self.method = record.compressionMethod
+		self.sizeCompressed = record.compressedSize
+		self.sizeUncompressed = record.uncompressedSize
+		self.filenameLength = record.fileNameLength
+		self.extraFieldLength = record.extraFieldLength
+		self.CRC32 = record.CRC32
+	}
+}
+
+extension Array where Element == ZipEntry {
+	/// Return entry with shortest possible path (thus ignoring deeper nested files).
+	func zipEntryWithShortestPath() -> ZipEntry? {
+		var shortest = 99999
+		var bestMatch: ZipEntry? = nil
+		
+		for entry in self {
+			if shortest > entry.filepath.count {
+				shortest = entry.filepath.count
+				bestMatch = entry
+			}
+		}
+		return bestMatch
+	}
+}
+
+
+// MARK: - ZipFile
+
+struct ZipFile {
+	private let pathToZipFile: String
+	private let centralDirectory: [ZipEntry]
+	
+	init(_ path: String) {
+		self.pathToZipFile = path
+		self.centralDirectory = listZip(path)
+	}
+	
+	// MARK: - public methods
+	
+	func filesMatching(_ path: String) -> [ZipEntry] {
+		let parts = path.split(separator: "*", omittingEmptySubsequences: false)
+		return centralDirectory.filter {
+			var idx = $0.filepath.startIndex
+			if !$0.filepath.hasPrefix(parts.first!) || !$0.filepath.hasSuffix(parts.last!) {
+				return false
+			}
+			for part in parts {
+				guard let found = $0.filepath.range(of: part, range: idx..<$0.filepath.endIndex) else {
+					return false
+				}
+				idx = found.upperBound
+			}
+			return true
+		}
+	}
+	
+	/// Unzip file directly into memory.
+	/// @param filePath File path inside zip file.
+	func unzipFile(_ filePath: String) -> Data? {
+		if let matchingFile = self.filesMatching(filePath).zipEntryWithShortestPath() {
+			os_log(.debug, log: log, "[unzip] %{public}@", matchingFile.filepath)
+			return unzipFileEntry(pathToZipFile, matchingFile)
+		}
+		
+		// There is a dir listing but no matching file.
+		// This means there wont be anything to extract.
+		os_log(.error, log: log, "cannot find '%{public}@' for unzip", filePath)
+		return nil
+	}
+	
+	/// Unzip file to filesystem.
+	/// @param filePath File path inside zip file.
+	/// @param targetDir Directory in which to unzip the file.
+	func unzipFile(_ filePath: String, toDir targetDir: String) throws {
+		if let data = self.unzipFile(filePath) {
+			let filename = filePath.components(separatedBy: "/").last!
+			let outputPath = targetDir.appending("/" + filename)
+			os_log(.debug, log: log, "[unzip] write to %{public}@", outputPath)
+			try data.write(to: URL(fileURLWithPath: outputPath), options: .atomic)
+		}
+	}
+}