feat: initial Swift version
This commit is contained in:
relikd
555
src/PreviewGenerator.swift
Normal file
555
src/PreviewGenerator.swift
Normal file
@@ -0,0 +1,555 @@
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import Foundation
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import os // OSLog
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private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "PreviewGenerator")
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typealias HtmlDict = [String: String] // used for TAG replacements
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// MARK: - Generic data formatting & printing
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typealias TableRow = [String]
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/// Print html table with arbitrary number of columns
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/// @param header If set, start the table with a `tr` column row.
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func formatAsTable(_ data: [[String]], header: TableRow? = nil) -> String {
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var table = "<table>\n"
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if let header = header {
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table += "<tr><th>\(header.joined(separator: "</th><th>"))</th></tr>\n"
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}
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for row in data {
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table += "<tr><td>\(row.joined(separator: "</td><td>"))</td></tr>\n"
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}
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return table + "</table>\n"
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}
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/// Print recursive tree of key-value mappings.
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func recursiveDict(_ dictionary: [String: Any], withReplacements replacements: [String: String] = [:], _ level: Int = 0) -> String {
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var output = ""
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for (key, value) in dictionary {
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let localizedKey = replacements[key] ?? key
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for _ in 0..<level {
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output += (level == 1) ? "- " : " "
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}
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if let subDict = value as? [String: Any] {
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output += "\(localizedKey):<div class=\"list\">\n"
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output += recursiveDict(subDict, withReplacements: replacements, level + 1)
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output += "</div>\n"
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} else if let number = value as? NSNumber {
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output += "\(localizedKey): \(number.boolValue ? "YES" : "NO")<br />"
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} else {
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output += "\(localizedKey): \(value)<br />"
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}
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}
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return output
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}
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/// Replace occurrences of chars `&"'<>` with html encoding.
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func escapeXML(_ stringToEscape: String) -> String {
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return stringToEscape
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.replacingOccurrences(of: "&", with: "&")
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.replacingOccurrences(of: "\"", with: """)
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.replacingOccurrences(of: "'", with: "'")
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.replacingOccurrences(of: "<", with: "<")
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.replacingOccurrences(of: ">", with: ">")
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}
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// MARK: - Date processing
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/// @return Difference between two dates as components.
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func dateDiff(_ start: Date, _ end: Date) -> DateComponents {
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return Calendar.current.dateComponents([.day, .hour, .minute], from: start, to: end)
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}
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/// @return Print largest component. E.g., "3 days" or "14 hours"
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func relativeDateString(_ comp: DateComponents) -> String {
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let formatter = DateComponentsFormatter()
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formatter.unitsStyle = .full
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formatter.maximumUnitCount = 1
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return formatter.string(from: comp)!
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}
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/// @return Print the date with current locale and medium length style.
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func formattedDate(_ date: Date) -> String {
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let formatter = DateFormatter()
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formatter.dateStyle = .medium
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formatter.timeStyle = .medium
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return formatter.string(from: date)
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}
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/// Parse date from plist regardless if it has `NSDate` or `NSString` type.
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func parseDate(_ value: Any?) -> Date? {
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if let date = value as? Date {
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return date
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}
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guard let stringValue = value as? String else {
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return nil
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}
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// parse the date from a string
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let formatter = DateFormatter()
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formatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z"
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if let date = formatter.date(from: stringValue) {
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return date
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}
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formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ"
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if let date = formatter.date(from: stringValue) {
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return date
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}
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os_log(.error, log: log, "ERROR formatting date: %{public}@", stringValue)
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return nil
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}
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/// @return Relative distance to today. E.g., "Expired today"
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func relativeExpirationDateString(_ date: Date) -> String {
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let isPast = date < Date()
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let isToday = Calendar.current.isDateInToday(date)
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if isToday {
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return isPast ? "<span>Expired today</span>" : "<span>Expires today</span>"
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}
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if isPast {
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let comp = dateDiff(date, Date())
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return "<span>Expired \(relativeDateString(comp)) ago</span>"
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}
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let comp = dateDiff(Date(), date)
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if comp.day! < 30 {
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return "<span>Expires in \(relativeDateString(comp))</span>"
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}
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return "Expires in \(relativeDateString(comp))"
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}
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/// @return Relative distance to today. E.g., "DATE (Expires in 3 days)"
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func formattedExpirationDate(_ date: Date) -> String {
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return "\(formattedDate(date)) (\(relativeExpirationDateString(date)))"
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}
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/// @return Relative distance to today. E.g., "DATE (Created 3 days ago)"
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func formattedCreationDate(_ date: Date) -> String {
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let isToday = Calendar.current.isDateInToday(date)
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let comp = dateDiff(date, Date())
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return "\(formattedDate(date)) (Created \(isToday ? "today" : "\(relativeDateString(comp)) ago"))"
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}
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/// @return CSS class for expiration status.
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func classNameForExpirationStatus(_ date: Date?) -> String {
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switch ExpirationStatus(date) {
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case .Expired: return "expired"
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case .Expiring: return "expiring"
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case .Valid: return "valid"
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}
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}
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// MARK: - App Info
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/// @return List of ATS flags.
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func formattedAppTransportSecurity(_ appPlist: PlistDict) -> String {
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if let value = appPlist["NSAppTransportSecurity"] as? PlistDict {
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let localizedKeys = [
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"NSAllowsArbitraryLoads": "Allows Arbitrary Loads",
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"NSAllowsArbitraryLoadsForMedia": "Allows Arbitrary Loads for Media",
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"NSAllowsArbitraryLoadsInWebContent": "Allows Arbitrary Loads in Web Content",
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"NSAllowsLocalNetworking": "Allows Local Networking",
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"NSExceptionDomains": "Exception Domains",
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"NSIncludesSubdomains": "Includes Subdomains",
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"NSRequiresCertificateTransparency": "Requires Certificate Transparency",
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"NSExceptionAllowsInsecureHTTPLoads": "Allows Insecure HTTP Loads",
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"NSExceptionMinimumTLSVersion": "Minimum TLS Version",
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"NSExceptionRequiresForwardSecrecy": "Requires Forward Secrecy",
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"NSThirdPartyExceptionAllowsInsecureHTTPLoads": "Allows Insecure HTTP Loads",
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"NSThirdPartyExceptionMinimumTLSVersion": "Minimum TLS Version",
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"NSThirdPartyExceptionRequiresForwardSecrecy": "Requires Forward Secrecy",
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]
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return "<div class=\"list\">\(recursiveDict(value, withReplacements: localizedKeys))</div>"
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}
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let sdkName = appPlist["DTSDKName"] as? String ?? "0"
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let sdkNumber = Double(sdkName.trimmingCharacters(in: .letters)) ?? 0
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if sdkNumber < 9.0 {
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return "Not applicable before iOS 9.0"
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}
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return "No exceptions"
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}
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/// Process info stored in `Info.plist`
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func procAppInfo(_ appPlist: PlistDict?) -> HtmlDict {
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guard let appPlist else {
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return [
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"AppInfoHidden": "hiddenDiv",
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"ProvisionTitleHidden": "",
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]
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}
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var platforms = (appPlist["UIDeviceFamily"] as? [Int])?.compactMap({
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switch $0 {
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case 1: return "iPhone"
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case 2: return "iPad"
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case 3: return "TV"
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case 4: return "Watch"
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default: return nil
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}
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}).joined(separator: ", ")
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let minVersion = appPlist["MinimumOSVersion"] as? String ?? ""
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if platforms?.isEmpty ?? true, minVersion.hasPrefix("1.") || minVersion.hasPrefix("2.") || minVersion.hasPrefix("3.") {
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platforms = "iPhone"
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}
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let extensionType = (appPlist["NSExtension"] as? PlistDict)?["NSExtensionPointIdentifier"] as? String
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return [
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"AppInfoHidden": "",
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"ProvisionTitleHidden": "hiddenDiv",
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"CFBundleName": appPlist["CFBundleDisplayName"] as? String ?? appPlist["CFBundleName"] as? String ?? "",
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"CFBundleShortVersionString": appPlist["CFBundleShortVersionString"] as? String ?? "",
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"CFBundleVersion": appPlist["CFBundleVersion"] as? String ?? "",
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"CFBundleIdentifier": appPlist["CFBundleIdentifier"] as? String ?? "",
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"ExtensionTypeHidden": extensionType != nil ? "" : "hiddenDiv",
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"ExtensionType": extensionType ?? "",
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"UIDeviceFamily": platforms ?? "",
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"DTSDKName": appPlist["DTSDKName"] as? String ?? "",
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"MinimumOSVersion": minVersion,
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"AppTransportSecurityFormatted": formattedAppTransportSecurity(appPlist),
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]
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}
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// MARK: - iTunes Purchase Information
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/// Concatenate all (sub)genres into a comma separated list.
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func formattedGenres(_ itunesPlist: PlistDict) -> String {
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var genres: [String] = []
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let genreId = itunesPlist["genreId"] as? Int ?? 0
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if let mainGenre = AppCategories[genreId] ?? itunesPlist["genre"] as? String {
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genres.append(mainGenre)
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}
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for subgenre in itunesPlist["subgenres"] as? [PlistDict] ?? [] {
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let subgenreId = subgenre["genreId"] as? Int ?? 0
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if let subgenreStr = AppCategories[subgenreId] ?? subgenre["genre"] as? String {
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genres.append(subgenreStr)
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}
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}
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return genres.joined(separator: ", ")
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}
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/// Process info stored in `iTunesMetadata.plist`
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func parseItunesMeta(_ itunesPlist: PlistDict?) -> HtmlDict {
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guard let itunesPlist else {
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return ["iTunesHidden": "hiddenDiv"]
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}
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let downloadInfo = itunesPlist["com.apple.iTunesStore.downloadInfo"] as? PlistDict
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let accountInfo = downloadInfo?["accountInfo"] as? PlistDict ?? [:]
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let purchaseDate = parseDate(downloadInfo?["purchaseDate"] ?? itunesPlist["purchaseDate"])
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let releaseDate = parseDate(downloadInfo?["releaseDate"] ?? itunesPlist["releaseDate"])
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// AppleId & purchaser name
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let appleId = accountInfo["AppleID"] as? String ?? itunesPlist["appleId"] as? String ?? ""
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let firstName = accountInfo["FirstName"] as? String ?? ""
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let lastName = accountInfo["LastName"] as? String ?? ""
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let name: String
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if !firstName.isEmpty || !lastName.isEmpty {
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name = "\(firstName) \(lastName) (\(appleId))"
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} else {
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name = appleId
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}
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os_log(.error, log: log, "id: %{public}@", String(describing: itunesPlist["itemId"]))
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return [
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"iTunesHidden": "",
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"iTunesId": (itunesPlist["itemId"] as? Int)?.description ?? "", // description]
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"iTunesName": itunesPlist["itemName"] as? String ?? "",
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"iTunesGenres": formattedGenres(itunesPlist),
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"iTunesReleaseDate": releaseDate == nil ? "" : formattedDate(releaseDate!),
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"iTunesAppleId": name,
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"iTunesPurchaseDate": purchaseDate == nil ? "" : formattedDate(purchaseDate!),
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"iTunesPrice": itunesPlist["priceDisplay"] as? String ?? "",
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]
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}
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// MARK: - Certificates
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/// Process a single certificate. Extract invalidity / expiration date.
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/// @param subject just used for printing error logs.
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func getCertificateInvalidityDate(_ certificate: SecCertificate, subject: String) -> Date? {
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var error: Unmanaged<CFError>?
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guard let outerDict = SecCertificateCopyValues(certificate, [kSecOIDInvalidityDate] as CFArray, &error) as? PlistDict else {
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os_log(.error, log: log, "Could not get values in '%{public}@' certificate, error = %{public}@", subject, error?.takeUnretainedValue().localizedDescription ?? "unknown error")
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return nil
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}
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guard let innerDict = outerDict[kSecOIDInvalidityDate as String] as? PlistDict else {
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os_log(.error, log: log, "No invalidity values in '%{public}@' certificate, dictionary = %{public}@", subject, outerDict)
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return nil
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}
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// NOTE: the invalidity date type of kSecPropertyTypeDate is documented as a CFStringRef in the "Certificate, Key, and Trust Services Reference".
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// In reality, it's a __NSTaggedDate (presumably a tagged pointer representing an NSDate.) But to be sure, we'll check:
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guard let dateString = innerDict[kSecPropertyKeyValue as String] else {
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os_log(.error, log: log, "No invalidity date in '%{public}@' certificate, dictionary = %{public}@", subject, innerDict)
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return nil
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}
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return parseDate(dateString);
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}
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/// Process list of all certificates. Return a two column table with subject and expiration date.
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func getCertificateList(_ provisionPlist: PlistDict) -> [TableRow] {
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guard let certs = provisionPlist["DeveloperCertificates"] as? [Data] else {
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return []
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}
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return certs.compactMap {
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guard let cert = SecCertificateCreateWithData(nil, $0 as CFData) else {
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return nil
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}
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guard let subject = SecCertificateCopySubjectSummary(cert) as? String else {
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os_log(.error, log: log, "Could not get subject from certificate")
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return nil
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}
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let expiration: String
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if let invalidityDate = getCertificateInvalidityDate(cert, subject: subject) {
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expiration = relativeExpirationDateString(invalidityDate)
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} else {
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expiration = "<span class='warning'>No invalidity date in certificate</span>"
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}
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return TableRow([subject, expiration])
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}.sorted { $0[0] < $1[0] }
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}
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// MARK: - Provisioning
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/// Returns provision type string like "Development" or "Distribution (App Store)".
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func stringForProfileType(_ provisionPlist: PlistDict, isOSX: Bool) -> String {
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let hasDevices = provisionPlist["ProvisionedDevices"] is [Any]
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if isOSX {
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return hasDevices ? "Development" : "Distribution (App Store)"
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}
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if hasDevices {
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let getTaskAllow = (provisionPlist["Entitlements"] as? PlistDict)?["get-task-allow"] as? Bool ?? false
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return getTaskAllow ? "Development" : "Distribution (Ad Hoc)"
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}
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let isEnterprise = provisionPlist["ProvisionsAllDevices"] as? Bool ?? false
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return isEnterprise ? "Enterprise" : "Distribution (App Store)"
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}
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/// Enumerate all entries from provison plist with key `ProvisionedDevices`
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func getDeviceList(_ provisionPlist: PlistDict) -> [TableRow] {
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guard let devArr = provisionPlist["ProvisionedDevices"] as? [String] else {
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return []
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}
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var currentPrefix: String? = nil
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return devArr.sorted().map { device in
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// compute the prefix for the first column of the table
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let displayPrefix: String
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let devicePrefix = String(device.prefix(1))
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if currentPrefix != devicePrefix {
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currentPrefix = devicePrefix
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displayPrefix = "\(devicePrefix) ➞ "
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} else {
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displayPrefix = ""
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}
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return [displayPrefix, device]
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}
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}
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/// Process info stored in `embedded.mobileprovision`
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func procProvision(_ provisionPlist: PlistDict?, isOSX: Bool) -> HtmlDict {
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guard let provisionPlist else {
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return ["ProvisionHidden": "hiddenDiv"]
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}
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let creationDate = provisionPlist["CreationDate"] as? Date
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let expireDate = provisionPlist["ExpirationDate"] as? Date
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let devices = getDeviceList(provisionPlist)
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let certs = getCertificateList(provisionPlist)
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return [
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"ProvisionHidden": "",
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"ProfileName": provisionPlist["Name"] as? String ?? "",
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"ProfileUUID": provisionPlist["UUID"] as? String ?? "",
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"TeamName": provisionPlist["TeamName"] as? String ?? "<em>Team name not available</em>",
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"TeamIds": (provisionPlist["TeamIdentifier"] as? [String])?.joined(separator: ", ") ?? "<em>Team ID not available</em>",
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"CreationDateFormatted": creationDate == nil ? "" : formattedCreationDate(creationDate!),
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"ExpirationDateFormatted": expireDate == nil ? "" : formattedExpirationDate(expireDate!),
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"ExpStatus": classNameForExpirationStatus(expireDate),
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"ProfilePlatform": isOSX ? "Mac" : "iOS",
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"ProfileType": stringForProfileType(provisionPlist, isOSX: isOSX),
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"ProvisionedDevicesCount": devices.isEmpty ? "No Devices" : "\(devices.count) Device\(devices.count == 1 ? "" : "s")",
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"ProvisionedDevicesFormatted": devices.isEmpty ? "Distribution Profile" : formatAsTable(devices, header: ["", "UDID"]),
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"DeveloperCertificatesFormatted": certs.isEmpty ? "No Developer Certificates" : formatAsTable(certs),
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]
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}
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// MARK: - Entitlements
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/// Search for app binary and run `codesign` on it.
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func readEntitlements(_ meta: QuickLookInfo, _ bundleExecutable: String?) -> Entitlements {
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guard let bundleExecutable else {
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return Entitlements.withoutBinary()
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}
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switch meta.type {
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case .IPA:
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let tmpPath = NSTemporaryDirectory() + "/" + UUID().uuidString
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try! FileManager.default.createDirectory(atPath: tmpPath, withIntermediateDirectories: true)
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defer {
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try? FileManager.default.removeItem(atPath: tmpPath)
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}
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try! meta.zipFile!.unzipFile("Payload/*.app/\(bundleExecutable)", toDir: tmpPath)
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return Entitlements(forBinary: tmpPath + "/" + bundleExecutable)
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case .Archive:
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return Entitlements(forBinary: meta.effectiveUrl!.path + "/" + bundleExecutable)
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case .Extension:
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return Entitlements(forBinary: meta.url.path + "/" + bundleExecutable)
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}
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}
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/// Process compiled binary and provision plist to extract `Entitlements`
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func procEntitlements(_ meta: QuickLookInfo, _ appPlist: PlistDict?, _ provisionPlist: PlistDict?) -> HtmlDict {
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var entitlements = readEntitlements(meta, appPlist?["CFBundleExecutable"] as? String)
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entitlements.applyFallbackIfNeeded(provisionPlist?["Entitlements"] as? PlistDict)
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return [
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"EntitlementsWarningHidden": entitlements.hasError ? "" : "hiddenDiv",
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"EntitlementsFormatted": entitlements.html ?? "No Entitlements",
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]
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}
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||||
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||||
// MARK: - File Info
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||||
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||||
/// 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)
|
||||
}
|
||||
Reference in New Issue
Block a user