106 lines
3.0 KiB
Swift
106 lines
3.0 KiB
Swift
//
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// Utils+URL.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 6/16/18.
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// Copyright (c) 2023 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import Foundation
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import StoreKit
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#if os(iOS)
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import UIKit
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#else
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import AppKit
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#endif
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extension URL {
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public var filename: String {
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deletingPathExtension().lastPathComponent
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}
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@discardableResult
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public static func open(_ url: URL) -> Bool {
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#if os(iOS)
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guard UIApplication.shared.canOpenURL(url) else {
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return false
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}
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UIApplication.shared.open(url)
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return true
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#else
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NSWorkspace.shared.open(url)
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#endif
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}
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public static func mailto(to: String, subject: String, body: String) -> URL? {
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guard let escapedSubject = subject.addingPercentEncoding(withAllowedCharacters: .alphanumerics) else {
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return nil
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}
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guard let escapedBody = body.addingPercentEncoding(withAllowedCharacters: .alphanumerics) else {
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return nil
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}
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return URL(string: "mailto:\(to)?subject=\(escapedSubject)&body=\(escapedBody)")
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}
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public func trailingContent(bytes: UInt64) -> String {
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var file: FileHandle?
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defer {
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try? file?.close()
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}
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do {
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file = try FileHandle(forReadingFrom: self)
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guard let size = try file?.seekToEnd() else {
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pp_log.error("Cannot seek")
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return ""
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}
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var offset: UInt64
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if bytes < size {
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offset = size - bytes
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} else {
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offset = 0
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}
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try file?.seek(toOffset: offset)
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guard let data = try file?.readToEnd() else {
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pp_log.error("No data")
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return ""
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}
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guard let string = String(data: data, encoding: .utf8) else {
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pp_log.error("Cannot encode string")
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return ""
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}
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return string
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} catch {
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pp_log.error("Error while reading file: \(error)")
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return ""
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}
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}
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public func trailingLines(bytes: UInt64) -> [String] {
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let content = trailingContent(bytes: bytes)
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return content
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.components(separatedBy: "\n")
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.filter {
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!$0.isEmpty
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}
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}
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}
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