Repository: slash-hq/slash
Branch: master
Commit: 01e55ce89b90
Files: 42
Total size: 206.2 KB
Directory structure:
gitextract_itntp5kx/
├── .gitignore
├── GitHub/
│ ├── scr.pxm
│ ├── slash_logo.pxm
│ └── slash_logo_small.pxm
├── LICENSE
├── Package.swift
├── README.md
├── Sources/
│ ├── Application.swift
│ ├── ChannelsListView.swift
│ ├── CrashReporter.swift
│ ├── MessagesListView.swift
│ ├── R.swift
│ ├── Server.swift
│ ├── SlackAdapter.swift
│ ├── SlackChannel.swift
│ ├── SlackContext.swift
│ ├── SlackEmojiDecoder.swift
│ ├── SlackEvent.swift
│ ├── SlackGroup.swift
│ ├── SlackIM.swift
│ ├── SlackMessage.swift
│ ├── SlackMessageReaction.swift
│ ├── SlackOAuth2.swift
│ ├── SlackRealTimeClient.swift
│ ├── SlackTeam.swift
│ ├── SlackUser.swift
│ ├── SlackWebClient.swift
│ ├── Socket.swift
│ ├── TLSSocket.swift
│ ├── TerminalCanvas.swift
│ ├── TerminalDevice.swift
│ ├── TextLayout.swift
│ ├── URLSession.swift
│ ├── UserInputView.swift
│ ├── Utils.swift
│ ├── WebSocketClient.swift
│ └── main.swift
├── slash.rb
├── slash.sublime-project
└── slash.xcodeproj/
├── project.pbxproj
├── project.xcworkspace/
│ └── contents.xcworkspacedata
└── xcshareddata/
└── xcschemes/
└── slash.xcscheme
================================================
FILE CONTENTS
================================================
================================================
FILE: .gitignore
================================================
## Build generated
build/
DerivedData/
## Various settings
*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
xcuserdata/
## Other
*.moved-aside
*.xcuserstate
## Obj-C/Swift specific
*.hmap
*.ipa
*.dSYM.zip
*.dSYM
## Playgrounds
timeline.xctimeline
playground.xcworkspace
# Swift Package Manager
#
# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
# Packages/
.build/
================================================
FILE: LICENSE
================================================
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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================================================
FILE: Package.swift
================================================
// swift-tools-version:4.2
import PackageDescription
let package = Package(
name: "slash",
products: [.executable(name: "slash", targets: ["slash"])],
targets: [.target(name: "slash", path: "Sources")]
)
================================================
FILE: README.md
================================================
Slack terminal client.
## Getting started
To use `slash` install it via:
`brew install https://raw.githubusercontent.com/slash-hq/slash/master/slash.rb`
and start it by running:
```
slash
```
Slash can be used with the [development token](https://api.slack.com/docs/oauth-test-tokens) too:
```
slash
```
## Keys
```
Enter : Send a message
Tab : Switch channel
Up/Down: Scroll messages
Ctrl-C : Quit
```
## Commands
```
/openurl : open url with
```
## Retro mode
Thanks too [cool-retro-term](https://github.com/Swordfish90/cool-retro-term) project slash can run in retro mode
## Issues
Please make sure to read the Issue Reporting Checklist before opening an issue. Issues not conforming to the guidelines may be closed immediately.
## How to contribute?
1. Fork this repository and clone to your Mac.
1. Open `slash.xcodeproj` in Xcode
1. Build
1. Open `Terminal` and run `/Build/Products/Debug/slash`
1. Make your changes, test and submit pull request!
## FAQ
1. Can I connect to multiple Slack teams?
Yes, simply start multiple `slash` instances and login to a different team in each of them.
## License
Apache License, Version 2.0
================================================
FILE: Sources/Application.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class Application {
private let terminalDevice : TerminalDevice
private let messagesListView : MessagesListView
private let userInputView : UserInputView
private let channelsListView : ChannelsListView
private let webClient : SlackWebClient
private let context : SlackContext
private let rtmClient : SlackRealTimeClient
private var messages = Array()
private var links = [String]()
private var selectedChannel: String? = nil
private var replyIdCounter = 0
private var unreadChannelsIds = Set()
private let adapter = SlackAdapter()
init(usingDevice device: TerminalDevice, authenticatedBy token: String) throws {
self.terminalDevice = device
self.messagesListView = MessagesListView(self.terminalDevice)
self.channelsListView = ChannelsListView(self.terminalDevice)
self.userInputView = UserInputView(self.terminalDevice)
self.webClient = SlackWebClient(authenticatedBy: token)
self.terminalDevice.flush(
TerminalCanvas()
.hideCursor()
.color(R.color.connectingTextColor)
.cursor(1, 1)
.text(R.string.connecting).buffer)
let team = try self.webClient.rtm()
self.rtmClient = try SlackRealTimeClient(team.wssUrl)
self.context = SlackContext(withTeam: team)
if let defaultChannel = self.context.defaultChannel {
self.selectedChannel = defaultChannel
let defaultChannelName = self.context.name(forId: defaultChannel) ?? ""
self.userInputView.placeholder = String(format: R.string.inputPlaceholder, defaultChannelName)
self.userInputView.draw()
self.reloadChannel(defaultChannel, clearChat: false)
}
DispatchQueue.global(qos: .background).async { [unowned self] in
while true {
do {
while true {
if let event = try self.rtmClient.waitForEvent() {
self.handleRealTimeSessionEvent(event)
}
}
} catch {
self.appendRow(MessagesListRow(spans: [TextSpan(String(format: R.string.connectionError, "\(error)"))]))
}
}
}
}
func handleRealTimeSessionEvent(_ event: SlackEvent) {
switch event {
case .hello:
self.appendRow(MessagesListRow(spans: [TextSpan(String(format: R.string.hello, self.context.teamName), withColor: R.color.helloTextColor)]))
case .reply(let replyId, let ts):
if let index = self.messages.index(where: { $0.id == "pending\(replyId)" }) {
let old = self.messages.remove(at: index)
var newSpans = [TextSpan]()
newSpans.append(TextSpan(adapter.formatSlackTimestamp("\(Date().timeIntervalSince1970)") + " ", withColor: R.color.messageTimeTextColor))
newSpans.append(contentsOf: old.spans)
self.messages.insert(MessagesListRow(channel: old.channel, id: ts, spans: newSpans), at: index)
self.messagesListView.draw(self.messages)
}
case .message(let message):
if let selectedChannel = self.selectedChannel {
if message.channel == selectedChannel {
self.appendRow(self.messageListRowFor(message: message))
} else {
self.unreadChannelsIds.insert(message.channel)
self.channelsListView.draw(self.context, selectionId: self.selectedChannel, unreadIds: self.unreadChannelsIds)
}
}
case .messageChanged(let message):
if let index = self.messages.index(where: { $0.id == message.ts && $0.channel == message.channel }) {
self.messages[index] = self.messageListRowFor(message: message)
self.messagesListView.draw(messages)
}
case .messageDeleted(let ts, let channel):
if let index = self.messages.index(where: { $0.id == ts && $0.channel == channel }) {
self.messages.remove(at: index)
self.messagesListView.draw(self.messages)
}
case .presenceChange(let user, let presence):
if let index = self.context.users.index(where: { $0.id == user }) {
let old = self.context.users.remove(at: index)
self.context.users.insert(SlackUser(id: old.id, name: old.name, color: old.color, presence: presence), at: index)
self.channelsListView.draw(self.context, selectionId: self.selectedChannel, unreadIds: self.unreadChannelsIds)
}
case .teamRename(let newName):
self.context.teamName = newName
self.channelsListView.draw(self.context, selectionId: self.selectedChannel, unreadIds: self.unreadChannelsIds)
case .desktopNotification(let title, let message):
#if os(Linux)
// Linux notifications not implemented yet
#else
Process.launchedProcess(launchPath: "/usr/bin/osascript", arguments: ["-e", "display notification \"\(message)\" with title \"slash: \(title)\""])
#endif
return
case .messageReactionAdded(let reaction, let channel, let ts):
if channel == self.selectedChannel {
self.messagesListView.draw(self.messages)
}
case .unknown(let message):
return self.appendRow(MessagesListRow(spans: ["?", " : ", TextSpan(message)]))
default:
break
}
}
func notifyTerminalSizeHasChanged() {
self.messagesListView.draw(self.messages)
self.channelsListView.draw(self.context, selectionId: self.selectedChannel)
self.userInputView.draw()
}
private func messageListRowFor(message: SlackMessage) -> MessagesListRow {
let spans = self.adapter.textSpansFor(message: message, withContext: self.context, andLinks: &self.links)
return MessagesListRow(channel: message.channel, id: message.ts, spans: spans)
}
func appendRow(_ row: MessagesListRow) {
self.messages.insert(row, at: 0)
self.messagesListView.draw(messages)
}
func reloadChannel(_ channelId: String, clearChat: Bool = true) {
let loadingRow = MessagesListRow(spans: [TextSpan(R.string.loading, withColor: R.color.loadingTextColor)])
if clearChat {
self.messagesListView.draw([loadingRow])
} else {
self.messages.append(loadingRow)
self.messagesListView.draw(self.messages)
}
DispatchQueue.global(qos: .background).async { [unowned self] in
do {
let rows = try self.webClient.history(for: channelId).map {
self.messageListRowFor(message: $0)
}
//TODO notify about the results in a common queue for all the background tasks.
self.messages.removeAll(keepingCapacity: true)
self.messages.append(contentsOf: rows)
self.messagesListView.draw(self.messages)
self.channelsListView.draw(self.context, selectionId: self.selectedChannel, unreadIds: self.unreadChannelsIds)
self.userInputView.draw()
} catch {
//TODO handle error case.
}
}
}
func run() {
self.messagesListView.draw(self.messages)
while true {
let key = self.terminalDevice.key()
switch key {
case .ctrlC:
try? self.terminalDevice.reset()
exit(1)
case .enter:
guard !self.userInputView.input.isEmpty, let targetChannel = self.selectedChannel, let me = self.context.me else {
continue
}
let message = self.userInputView.input
if !self.executeLocalCommand(message) {
try? self.rtmClient.send(targetChannel, message: message, replyId: replyIdCounter)
let pendingMessage = MessagesListRow(channel: targetChannel, id: "pending\(replyIdCounter)", spans: [
TextSpan(me.name, withColor: Utils.xterm256Color(forUser: me)),
TextSpan(": ", withColor: R.color.messagePrefixTextColor),
TextSpan(message, withColor: R.color.messageTextColor)], pending: true)
self.messages.insert(pendingMessage, at: 0)
self.replyIdCounter = self.replyIdCounter + 1
self.messagesListView.draw(self.messages)
}
self.userInputView.input = ""
self.userInputView.cursor = 0
self.userInputView.draw()
case .backspace:
if self.userInputView.input.isEmpty || self.userInputView.cursor <= 0 {
continue
}
self.userInputView.input.remove(at:
userInputView.input.index(self.userInputView.input.startIndex, offsetBy: self.userInputView.cursor-1))
self.userInputView.cursor = max(0, self.userInputView.cursor - 1)
self.userInputView.draw()
case .arrowLeft:
self.userInputView.cursor = max(0, userInputView.cursor - 1)
self.userInputView.draw()
case .arrowRight:
self.userInputView.cursor = min(userInputView.input.count, userInputView.cursor + 1)
self.userInputView.draw()
case .arrowUp:
self.messagesListView.scroll = self.messagesListView.scroll + 1
self.messagesListView.draw(self.messages)
case .arrowDown:
guard self.messagesListView.scroll > 0 else {
break
}
self.messagesListView.scroll = self.messagesListView.scroll - 1
self.messagesListView.draw(self.messages)
case .tab(let withShift):
guard let suggestion = self.context.suggestRecipient(for: self.selectedChannel, unreadIds: self.unreadChannelsIds, backwardSearch: withShift) else {
continue
}
self.userInputView.input = ""
self.userInputView.cursor = 0
self.messagesListView.scroll = 0
self.unreadChannelsIds.remove(suggestion.id)
self.selectedChannel = suggestion.id
self.userInputView.placeholder = String(format: R.string.inputPlaceholder, suggestion.name)
self.channelsListView.draw(self.context, selectionId: suggestion.id, unreadIds: self.unreadChannelsIds)
self.reloadChannel(suggestion.id)
self.links.removeAll()
self.userInputView.draw()
case .other(let character):
self.userInputView.input.insert(character,
at: self.userInputView.input.index(self.userInputView.input.startIndex,
offsetBy: self.userInputView.cursor))
self.userInputView.cursor = userInputView.cursor + 1
self.userInputView.draw()
default: break
}
}
}
/// Execute a local "slash" command.
///
/// The currently supported list of local commands are;
///
/// - /openurl {space separated list of numbers}: opens numbered link in default browser
///
func executeLocalCommand(_ command: String) -> Bool {
if (command.hasPrefix("/openurl")) {
let pieces = command.components(separatedBy: [",", " "])
let linkNumbers = pieces.compactMap { Int($0) }
for linkNumber in linkNumbers {
let url = self.links[linkNumber - 1]
Utils.shell("open", url)
}
return true
}
return false
}
}
================================================
FILE: Sources/ChannelsListView.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct ChannelListRow {
let id: String
let name: String
}
class ChannelsListView {
private let canvas = TerminalCanvas()
private let terminalDevice: TerminalDevice
init(_ device: TerminalDevice) {
self.terminalDevice = device
}
func drawRow(_ text: String, row: Int, highlight: Bool = false, blink: Bool = false) {
let availableWidth = R.dimen.channelsListWidth
let paddedName = text.count > availableWidth ? String(text[.. = []) {
let size = self.terminalDevice.size
let avaibleHeight = size.height
guard size.width > 0 && avaibleHeight > 0 else { return }
var offset = 1
self.canvas
.clear()
.hideCursor()
// Draw team name.
self.canvas
.color(R.color.teamNameTextColor)
.background(R.color.teamNameBackgroundColor)
.cursor(1, 1)
.text(context.teamName.padding(toLength: R.dimen.channelsListWidth, withPad: " ", startingAt: 0))
offset = offset + 1
// Draw channels.
self.canvas.color(R.color.channelNameTextColor);
for channel in context.channels {
if (!channel.isMember) {
continue
}
self.drawRow("#" + channel.name, row: offset, highlight: channel.id == selectionId, blink: unreadIds.contains(channel.id))
offset = offset + 1
if offset > avaibleHeight {
break
}
}
// Draw groups.
self.canvas.color(R.color.groupNameTextColor);
if offset < avaibleHeight {
for group in context.groups {
self.drawRow("#" + group.name, row: offset, highlight: group.id == selectionId, blink: unreadIds.contains(group.id))
offset = offset + 1
if offset > avaibleHeight {
break
}
}
}
// Draw members.
if offset < avaibleHeight {
for im in context.ims {
let slackUser = context.user(forId: im.user) ?? SlackUser(id: "", name: "", color: "", presence: .away)
if slackUser.presence == .active {
self.canvas.color(Utils.xterm256Color(forUser: slackUser))
} else {
self.canvas.color(R.color.channelListTextColorAway)
}
self.drawRow("@" + (context.user(forId: im.user)?.name ?? ""), row: offset, highlight: im.id == selectionId, blink: unreadIds.contains(im.id))
offset = offset + 1
if offset > avaibleHeight {
break
}
}
}
self.canvas
.color(R.color.channelNameTextColor)
.background(R.color.channelListBgColor)
while offset <= avaibleHeight {
self.canvas
.cursor(1, offset)
.text(String(repeating: " ", count: R.dimen.channelsListWidth))
offset = offset + 1
}
self.canvas.reset()
terminalDevice.flush(self.canvas.buffer)
}
}
================================================
FILE: Sources/CrashReporter.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct CrashReporter {
private static var terminalDevice: TerminalDevice? = nil
static func watch(usingDevice device: TerminalDevice) {
CrashReporter.terminalDevice = device
NSSetUncaughtExceptionHandler { _ in
CrashReporter.report()
}
signal(SIGABRT) { _ in
CrashReporter.report()
}
signal(SIGILL) { _ in
CrashReporter.report()
}
signal(SIGSEGV) { _ in
CrashReporter.report()
}
signal(SIGFPE) { _ in
CrashReporter.report()
}
signal(SIGBUS) { _ in
CrashReporter.report()
}
signal(SIGPIPE) { _ in
CrashReporter.report()
}
}
private static func report() {
try? CrashReporter.terminalDevice?.reset()
let stacktrace = Thread.callStackSymbols.joined(separator: "\n")
let title = "Crash detected".addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? ""
let body = ("I found the following crash in the app:\n```" + stacktrace + "```")
.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? ""
CrashReporter.terminalDevice?.flush(TerminalCanvas()
.reset()
.clear()
.text("Oooops.... we are really sorry but slash has crashed ☠️ :\n\nSTACKTRACE:\n\n")
.text(stacktrace)
.text("\n\n")
.text("Please copy this very long link to the browser, to help us with fixing the crash 🙇 \n\nhttps://github.com/slash-hq/slash/issues/new?title=\(title)&body=\(body))\n\n")
.text("Thank you, \nslash Team\n\n")
.buffer)
exit(1)
}
}
================================================
FILE: Sources/MessagesListView.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct MessagesListRow {
let channel: String?
let id: String?
let spans: [TextSpan]
let pending: Bool
init(channel: String? = nil, id: String? = nil, spans: [TextSpan], pending: Bool = false) {
self.channel = channel
self.id = id
self.spans = spans
self.pending = pending
}
}
class MessagesListView {
private let canvas = TerminalCanvas()
private let textLayout = TextLayout()
private let terminalDevice: TerminalDevice
init(_ device: TerminalDevice) {
self.terminalDevice = device
}
var scroll = 0
func draw(_ rows: Array) {
let size = self.terminalDevice.size
let bottomPadding = 2
guard size.width > 0 && size.height > bottomPadding else {
return
}
let avaibleHeight = size.height - bottomPadding
self.canvas
.clear()
.hideCursor()
let column = R.dimen.channelsListWidth + 2
var rayOffset = avaibleHeight
var scrollOffset = self.scroll
// Draw from the bottom to the top.
lines: for row in rows {
let lines = self.textLayout.layout(row.spans, alignToWidth: size.width - column - 1)
for line in lines.reversed() {
if scrollOffset > 0 {
scrollOffset = scrollOffset - 1
continue
}
self.canvas
.cursor(column-1, rayOffset)
.background(R.color.messagesListBgColor)
.text(" ")
.buffer.append(contentsOf: line)
rayOffset = rayOffset - 1
if rayOffset < 1 {
break lines
}
}
}
// Clear the top if needed.
if rayOffset > 0 {
for i in 1...rayOffset {
self.canvas
.cursor(R.dimen.channelsListWidth + 1, i)
.color(R.color.defaulTextColor)
.background(R.color.messagesListBgColor)
.text(String(repeating: " ", count: size.width - R.dimen.channelsListWidth))
}
}
self.canvas.reset()
terminalDevice.flush(self.canvas.buffer)
}
}
================================================
FILE: Sources/R.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class R {
class string {
// Cool emojis: 🚫❕❗️📢📣🚀🐌🌊💦🌪❄️💥💡🗑⏱🔪💉🌡🚿🎈🎁🏷🔖🔐🔒🔓🔏⚠️💩
static let inputPlaceholder = "Message #%@..."
static let unknownMessageAuthor = "(unknown)"
static let directMessageAuthor = "private"
static let hello = "Connected to %@ team."
static let unknownMessageChannel = "??"
static let connecting = "Connecting 💤 ..."
static let loading = "Loading 💤 ..."
static let connectionError = "⚠️ Connection error occured (%@)"
static let me = "me"
static let authHelpMessage = "🔒 Visit ( %@ ) to login using OAuth2..."
static let authConfirmation =
"" +
"
![](\"https://github.com/slash-hq/slash/blob/master/GitHub/slash_logo_small.png?raw=true\")
" +
"You can close this window now and continue in the terminal.
" +
"![]()
" +
""
}
class color {
// XTERM-256 palette: https://jonasjacek.github.io/colors/
static let defaultBgColor = -1
static let defaulTextColor = -1
static let connectingTextColor = 255
static let helloTextColor = 255
static let commandTextColor = 201
static let userInputTextColor = 231
static let userInputBackgorundColor = 16
static let userInputPlaceholderTextColor = 242
static let userInputSeparatorTextColor = 255
static let messageAuthorTextColor = 158
static let messagePrefixTextColor = 104
static let messageTextColor = 252
static let messageTimeTextColor = 24
static let messageHighlightedBgColor = 154
static let teamNameTextColor = 15
static let teamNameBackgroundColor = 234
static let channelNameTextColor = 38
static let groupNameTextColor = 190
static let directMessageTextColor = 240
static let channelListTextColorAway = 239
static let channelListBgColor = 232
static let channelListBgColorSelected = 15
static let channelListBgColorNotRead = 148
static let messagesListBgColor = 0
static let loadingTextColor = 11
static let linkTextColor = 11
static let mentionTextColor = 37
static let reactionTextColor = 15
}
class dimen {
static let channelsListWidth = 17
}
}
================================================
FILE: Sources/Server.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class Request {
enum HttpVersion { case http10, http11 }
var httpVersion = HttpVersion.http10
var method = ""
var path = ""
var query = [(String, String)]()
var headers = [(String, String)]()
var body = [UInt8]()
var contentLength = 0
func hasToken(_ token: String, forHeader headerName: String) -> Bool {
guard let (_, value) = headers.filter({ $0.0 == headerName }).first else {
return false
}
return value
.components(separatedBy: ",")
.filter({ $0.trimmingCharacters(in: .whitespaces).lowercased() == token })
.count > 0
}
}
class Response {
init() { }
init(_ status: Status = Status.ok) {
self.status = status.rawValue
}
init(_ status: Int = Status.ok.rawValue) {
self.status = status
}
init(_ body: Array) {
self.body.append(contentsOf: body)
}
init(_ body: ArraySlice) {
self.body.append(contentsOf: body)
}
var status = Status.ok.rawValue
var headers = [(String, String)]()
var body = [UInt8]()
var processingSuccesor: IncomingDataProcessor? = nil
}
class TextResponse: Response {
init(_ status: Int = Status.ok.rawValue, _ text: String) {
super.init(status)
self.headers.append(("Content-Type", "text/plain"))
self.body = [UInt8](text.utf8)
}
}
class HtmlResponse: Response {
init(_ status: Int = Status.ok.rawValue, _ text: String) {
super.init(status)
self.headers.append(("Content-Type", "text/html"))
self.body = [UInt8](text.utf8)
}
}
enum Status: Int {
case `continue` = 100
case switchingProtocols = 101
case ok = 200
case created = 201
case accepted = 202
case noContent = 204
case resetContent = 205
case partialContent = 206
case movedPerm = 301
case notModified = 304
case badRequest = 400
case unauthorized = 401
case forbidden = 403
case notFound = 404
}
extension UInt8 {
static var
lf: UInt8 = 10,
cr: UInt8 = 13,
space: UInt8 = 32,
colon: UInt8 = 58,
ampersand: UInt8 = 38,
lessThan: UInt8 = 60,
greaterThan: UInt8 = 62,
slash: UInt8 = 47,
equal: UInt8 = 61,
doubleQuotes: UInt8 = 34,
openingParenthesis: UInt8 = 40,
closingParenthesis: UInt8 = 41,
comma: UInt8 = 44
}
enum AsyncError: Error {
case parse(String)
case async(String)
case socketCreation(String)
case setReUseAddr(String)
case setNoSigPipeFailed(String)
case setNonBlockFailed(String)
case setReuseAddrFailed(String)
case bindFailed(String)
case listenFailed(String)
case writeFailed(String)
case getPeerNameFailed(String)
case convertingPeerNameFailed
case getNameInfoFailed(String)
case acceptFailed(String)
case readFailed(String)
case httpError(String)
}
protocol TcpServer {
init(_ port: in_port_t) throws
func wait(_ callback: ((TcpServerEvent) -> Void)) throws
func write(_ socket: Int32, _ data: Array, _ done: @escaping (() -> TcpWriteDoneAction)) throws
func finish(_ socket: Int32)
}
enum TcpWriteDoneAction {
case `continue`
case terminate
}
enum TcpServerEvent {
case connect(String, Int32)
case disconnect(String, Int32)
case data(String, Int32, ArraySlice)
}
class HttpIncomingDataPorcessor: Hashable, IncomingDataProcessor {
private enum State {
case waitingForHeaders
case waitingForBody
}
private var state = State.waitingForHeaders
private let socket: Int32
private var buffer = Array()
private var request = Request()
private let callback: ((Request) throws -> Void)
init(_ socket: Int32, _ closure: @escaping ((Request) throws -> Void)) {
self.socket = socket
self.callback = closure
}
static func == (lhs: HttpIncomingDataPorcessor, rhs: HttpIncomingDataPorcessor) -> Bool {
return lhs.socket == rhs.socket
}
var hashValue: Int { return Int(self.socket) }
func process(_ chunk: ArraySlice) throws {
switch self.state {
case .waitingForHeaders:
guard self.buffer.count + chunk.count < 4096 else {
throw AsyncError.parse("Headers size exceeds that limit.")
}
var iterator = chunk.makeIterator()
while let byte = iterator.next() {
if byte != UInt8.cr {
buffer.append(byte)
}
if buffer.count >= 2 && buffer[buffer.count-1] == UInt8.lf && buffer[buffer.count-2] == UInt8.lf {
self.buffer.removeLast(2)
self.request = try self.consumeHeader(buffer)
self.buffer.removeAll(keepingCapacity: true)
let left = [UInt8](iterator)
self.state = .waitingForBody
try self.process(left[0.. Request {
let lines = data.split(separator: UInt8.lf)
guard let requestLine = lines.first else {
throw AsyncError.httpError("No status line.")
}
let requestLineTokens = requestLine.split(separator: UInt8.space)
guard requestLineTokens.count >= 3 else {
throw AsyncError.httpError("Invalid status line.")
}
let request = Request()
if requestLineTokens[2] == [0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30] {
request.httpVersion = .http10
} else if requestLineTokens[2] == [0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x31] {
request.httpVersion = .http11
} else {
throw AsyncError.parse("Invalid http version: \(requestLineTokens[2])")
}
request.headers = lines
.dropFirst()
.map { line in
let headerTokens = line.split(separator: UInt8.colon, maxSplits: 1)
if let name = headerTokens.first, let value = headerTokens.last {
if let nameString = String(bytes: name, encoding: .ascii),
let valueString = String(bytes: value, encoding: .ascii) {
return (nameString.lowercased(), valueString.trimmingCharacters(in: .whitespaces))
}
}
return ("", "")
}
if let (_, value) = request.headers
.filter({ $0.0 == "content-length" })
.first {
guard let contentLength = Int(value) else {
throw AsyncError.parse("Invalid 'Content-Length' header value \(value).")
}
request.contentLength = contentLength
}
guard let method = String(bytes: requestLineTokens[0], encoding: .ascii) else {
throw AsyncError.parse("Invalid 'method' value \(requestLineTokens[0]).")
}
request.method = method
guard let path = String(bytes: requestLineTokens[1], encoding: .ascii) else {
throw AsyncError.parse("Invalid 'path' value \(requestLineTokens[1]).")
}
let queryComponents = path.components(separatedBy: "?")
if queryComponents.count > 1, let first = queryComponents.first, let last = queryComponents.last {
request.path = first
request.query = last
.components(separatedBy: "&")
.reduce([(String, String)]()) { (c, s) -> [(String, String)] in
let tokens = s.components(separatedBy: "=")
if let name = tokens.first, let value = tokens.last {
if let nameDecoded = name.removingPercentEncoding, let valueDecoded = value.removingPercentEncoding {
return c + [(nameDecoded, tokens.count > 1 ? valueDecoded : "")]
}
}
return c
}
} else {
request.path = path
}
return request
}
}
class Server {
private var processors = [Int32 : IncomingDataProcessor]()
private let server: TcpServer
init(_ port: in_port_t = 8080) throws {
#if os(Linux)
self.server = try LinuxAsyncServer(port)
#else
self.server = try MacOSAsyncTCPServer(port)
#endif
}
func serve(_ callback: @escaping ((request: Request, responder: ((Response) -> Void))) -> Void) throws {
try self.server.wait { event in
switch event {
case .connect(_, let socket):
self.processors[socket] = HttpIncomingDataPorcessor(socket) { request in
callback((request, { response in
let keepIOSession = self.supportsKeepAlive(request.headers) || request.httpVersion == .http11
var data = [UInt8]()
data.reserveCapacity(1024)
data.append(contentsOf: [UInt8]("HTTP/\(request.httpVersion == .http10 ? "1.0" : "1.1") \(response.status) OK\r\n".utf8))
for (name, value) in response.headers {
data.append(contentsOf: [UInt8]("\(name): \(value)\r\n".utf8))
}
if (keepIOSession) {
data.append(contentsOf: [UInt8]("Connection: keep-alive\r\n".utf8))
}
data.append(contentsOf: [UInt8]("Content-Length: \(response.body.count)\r\n".utf8))
data.append(contentsOf: [13, 10])
data.append(contentsOf: response.body)
do {
try self.server.write(socket, data) {
if let sucessor = response.processingSuccesor {
self.processors[socket] = sucessor
return .continue
}
return keepIOSession ? .continue : .terminate
}
} catch {
self.processors.removeValue(forKey: socket)
}
}))
}
case .disconnect(_, let socket):
self.processors.removeValue(forKey: socket)
case .data(_, let socket, let chunk):
do {
try self.processors[socket]?.process(chunk)
} catch {
self.processors.removeValue(forKey: socket)
self.server.finish(socket)
}
}
}
}
private func supportsKeepAlive(_ headers: Array<(String, String)>) -> Bool {
if let (_, value) = headers.filter({ $0.0 == "connection" }).first {
return "keep-alive" == value.trimmingCharacters(in: CharacterSet.whitespaces)
}
return false
}
private func closeConnection(_ headers: Array<(String, String)>) -> Bool {
if let (_, value) = headers.filter({ $0.0 == "connection" }).first {
return "close" == value.trimmingCharacters(in: CharacterSet.whitespaces)
}
return false
}
}
protocol IncomingDataProcessor {
func process(_ chunk: ArraySlice) throws
}
extension Process {
static var pid: Int {
return Int(getpid())
}
static var tid: UInt64 {
#if os(Linux)
return UInt64(pthread_self())
#else
var tid: __uint64_t = 0
pthread_threadid_np(nil, &tid);
return UInt64(tid)
#endif
}
static var error: String {
return String(cString: UnsafePointer(strerror(errno)))
}
}
class MacOSAsyncTCPServer: TcpServer {
private var backlog = Dictionary TcpWriteDoneAction))>>()
private var peers = Set()
private let kernelQueue: KernelQueue
private let server: UInt
required init(_ port: in_port_t = 8080) throws {
self.kernelQueue = try KernelQueue()
self.server = UInt(try MacOSAsyncTCPServer.nonBlockingSocketForListenening(port))
self.kernelQueue.subscribe(server, .read)
}
func write(_ socket: Int32, _ data: Array, _ done: @escaping (() -> TcpWriteDoneAction)) throws {
let result = Socket.write(socket, data, data.count)
if result == -1 {
defer { self.finish(socket) }
throw AsyncError.writeFailed(Process.error)
}
if result == data.count {
if done() == .terminate {
self.finish(socket)
}
return
}
self.backlog[socket]?.append(([UInt8](data[result.. Void)) throws {
try self.kernelQueue.wait { signal in
switch signal.event {
case .read:
if signal.ident == self.server {
let client = try MacOSAsyncTCPServer.acceptAndConfigureClientSocket(Int32(signal.ident))
self.peers.insert(client)
self.backlog[Int32(client)] = []
kernelQueue.subscribe(UInt(client), .read)
kernelQueue.subscribe(UInt(client), .write)
kernelQueue.pause(UInt(client), .write)
callback(.connect("", Int32(client)))
} else {
var chunk = [UInt8](repeating: 0, count: signal.data)
let result = Socket.read(Int32(signal.ident), &chunk, signal.data)
if result <= 0 {
finish(Int32(signal.ident))
callback(.disconnect("", Int32(signal.ident)))
} else {
callback(.data("", Int32(signal.ident), chunk[0.. Int32 {
let server = Darwin.socket(AF_INET, SOCK_STREAM, 0)
guard server != -1 else {
throw AsyncError.socketCreation(Process.error)
}
var value: Int32 = 1
if Darwin.setsockopt(server, SOL_SOCKET, SO_REUSEADDR, &value, socklen_t(MemoryLayout.size)) == -1 {
defer { let _ = Socket.close(server) }
throw AsyncError.setReuseAddrFailed(Process.error)
}
try setSocketNonBlocking(server)
try setSocketNoSigPipe(server)
var addr = anyAddrForPort(port)
if withUnsafePointer(to: &addr, { Darwin.bind(server, UnsafePointer(OpaquePointer($0)), socklen_t(MemoryLayout.size)) }) == -1 {
defer { let _ = Socket.close(server) }
throw AsyncError.bindFailed(Process.error)
}
if Darwin.listen(server, SOMAXCONN) == -1 {
defer { let _ = Socket.close(server) }
throw AsyncError.listenFailed(Process.error)
}
return server
}
static func acceptAndConfigureClientSocket(_ socket: Int32) throws -> Int32 {
guard case let client = Darwin.accept(socket, nil, nil), client != -1 else {
throw AsyncError.acceptFailed(Process.error)
}
try self.setSocketNonBlocking(client)
try self.setSocketNoSigPipe(client)
return client
}
static func anyAddrForPort(_ port: in_port_t) -> sockaddr_in {
var addr = sockaddr_in()
addr.sin_len = __uint8_t(MemoryLayout.size)
addr.sin_family = sa_family_t(AF_INET)
addr.sin_port = port.bigEndian
addr.sin_addr = in_addr(s_addr: in_addr_t(0))
addr.sin_zero = (0, 0, 0, 0, 0, 0, 0, 0)
return addr
}
static func setSocketNonBlocking(_ socket: Int32) throws {
if Darwin.fcntl(socket, F_SETFL, Darwin.fcntl(socket, F_GETFL, 0) | O_NONBLOCK) == -1 {
throw AsyncError.setNonBlockFailed(Process.error)
}
}
static func setSocketNoSigPipe(_ socket: Int32) throws {
var value = 1
if Darwin.setsockopt(socket, SOL_SOCKET, SO_NOSIGPIPE, &value, socklen_t(MemoryLayout.size)) == -1 {
throw AsyncError.setNoSigPipeFailed(Process.error)
}
}
}
class KernelQueue {
private var events = Array(repeating: kevent(), count: 256)
private var changes = Array()
private let queue: Int32
enum Subscription { case read, write }
enum Event { case read, write, error }
init() throws {
guard case let queue = kqueue(), queue != -1 else {
throw AsyncError.async(Process.error)
}
self.queue = queue
}
func subscribe(_ ident: UInt, _ event: Subscription) {
switch event {
case .read : changes.append(self.event(UInt(ident), Int16(EVFILT_READ), UInt16(EV_ADD) | UInt16(EV_ENABLE)))
case .write : changes.append(self.event(UInt(ident), Int16(EVFILT_WRITE), UInt16(EV_ADD) | UInt16(EV_ENABLE)))
}
}
func unsubscribe(_ ident: UInt, _ event: Subscription) {
switch event {
case .read : changes.append(self.event(UInt(ident), Int16(EVFILT_READ), UInt16(EV_DELETE)))
case .write : changes.append(self.event(UInt(ident), Int16(EVFILT_WRITE), UInt16(EV_DELETE)))
}
}
func pause(_ ident: UInt, _ event: Subscription) {
switch event {
case .read : changes.append(self.event(UInt(ident), Int16(EVFILT_READ), UInt16(EV_DISABLE)))
case .write : changes.append(self.event(UInt(ident), Int16(EVFILT_WRITE), UInt16(EV_DISABLE)))
}
}
func resume(_ ident: UInt, _ event: Subscription) {
switch event {
case .read : changes.append(self.event(UInt(ident), Int16(EVFILT_READ), UInt16(EV_ENABLE)))
case .write : changes.append(self.event(UInt(ident), Int16(EVFILT_WRITE), UInt16(EV_ENABLE)))
}
}
private func event(_ ident: UInt, _ filter: Int16, _ flags: UInt16) -> kevent {
return kevent(ident: ident, filter: filter, flags: flags, fflags: 0, data: 0, udata: nil)
}
func wait(_ callback: (_ tuple: (event: Event, ident: UInt, data: Int)) throws -> (Void)) throws {
if !changes.isEmpty {
if kevent(self.queue, &changes, Int32(changes.count), nil, 0, nil) == -1 {
throw AsyncError.async(Process.error)
}
}
self.changes.removeAll(keepingCapacity: true)
guard case let count = kevent(self.queue, nil, 0, &events, Int32(events.count), nil), count != -1 else {
throw AsyncError.async(Process.error)
}
for event in events[0.. String {
if let timestamp = Double(slackTs) {
let date = Date(timeIntervalSince1970: timestamp)
return self.dateFormatter.string(from: date)
} else {
return slackTs
}
}
func textSpansFor(message: SlackMessage, withContext context: SlackContext, andLinks links: inout [String]) -> [TextSpan] {
let slackUser = context.user(forId: message.user) ?? SlackUser(id: "", name: "unknown", color: "", presence: .away)
var spans = [TextSpan]()
spans.append(TextSpan(self.formatSlackTimestamp(message.ts), withColor: R.color.messageTimeTextColor))
spans.append(TextSpan(" \(slackUser.name)", withColor: Utils.xterm256Color(forUser: slackUser)))
spans.append(TextSpan(": ", withColor: R.color.messagePrefixTextColor))
spans.append(contentsOf: self.spansFor(message: message.text, withContext: context, andLinks: &links))
if !message.reactions.isEmpty {
let content = "\n " + message.reactions.map({ emojiDecoder.decode( ":" + $0.name + ":" ) + reactionCounter(forCount: $0.count) } ).joined(separator: " ")
spans.append(TextSpan(content, withColor: R.color.reactionTextColor, withBackground: R.color.defaultBgColor))
}
return spans
}
func reactionCounter(forCount count: Int) -> String {
if count <= 1 {
return ""
}
return String(String(describing: count).map({ c in //TODO - Do it better with 'U+2080 + x' formula.
switch c {
case "0": return "₀"
case "1": return "₁"
case "2": return "₂"
case "3": return "₃"
case "4": return "₄"
case "5": return "₅"
case "6": return "₆"
case "7": return "₇"
case "8": return "₈"
case "9": return "₉"
default : return " "
}
}))
}
func spansFor(message: String, withContext context: SlackContext, andLinks links: inout [String]) -> [TextSpan] {
var spans = [TextSpan]()
for token in self.lex(for: message) {
switch token {
case .plain(let text):
let presentableText = self.emojiDecoder.decode(self.decodeEscapedHTMLEntities(text))
spans.append(TextSpan(presentableText, withColor: R.color.messageTextColor))
case .escaped(let encodedText):
guard let first = encodedText.first else {
continue
}
switch first {
case "#":
fallthrough
case "@":
let idStartIndex = encodedText.index(encodedText.startIndex, offsetBy: 1)
if idStartIndex < encodedText.endIndex {
let id = encodedText[idStartIndex..<(encodedText.index(of: "|") ?? encodedText.endIndex)]
if let name = context.name(forId: String(id)) {
spans.append(TextSpan(name, withColor: R.color.mentionTextColor))
}
}
case "!":
let escapedTokens = encodedText.components(separatedBy: "|")
if let command = escapedTokens.first {
let commandName = escapedTokens.count > 1 ? escapedTokens[1] : command
spans.append(TextSpan(commandName, withColor: R.color.commandTextColor))
}
default /* link */:
let escapedTokens = encodedText.components(separatedBy: "|")
if let url = escapedTokens.first {
links.append(url)
if let name = escapedTokens.last, escapedTokens.count > 1 {
spans.append(TextSpan(self.decodeEscapedHTMLEntities(name), withColor: R.color.linkTextColor))
} else {
spans.append(TextSpan(url, withColor: R.color.linkTextColor))
}
spans.append(TextSpan("[" + String(links.count) + "]", withColor: R.color.messageTextColor))
}
}
}
}
return spans
}
enum Token { case plain(String), escaped(String) }
private func lex(for message: String) -> [Token] {
var tokens = [Token]()
var buffer = [Character]()
buffer.reserveCapacity(message.count)
var plainFlag = true
for (index, character) in message.enumerated() {
switch character {
case "<":
if !buffer.isEmpty {
tokens.append(.plain(String(buffer)))
}
buffer.removeAll(keepingCapacity: true)
plainFlag = false
case ">":
if !buffer.isEmpty {
tokens.append(.escaped(String(buffer)))
}
buffer.removeAll(keepingCapacity: true)
plainFlag = true
default:
buffer.append(character)
if index == message.count - 1 {
tokens.append(plainFlag ? .plain(String(buffer)) : .escaped(String(buffer)))
}
}
}
return tokens
}
private func decodeEscapedHTMLEntities(_ text: String) -> String {
return text
.replacingOccurrences(of: "&", with: "&")
.replacingOccurrences(of: "<", with: "<")
.replacingOccurrences(of: ">", with: ">")
}
}
================================================
FILE: Sources/SlackChannel.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct SlackChannel {
let id: String
let name: String
let members: [String]
let topic: String
let general: Bool
let isMember: Bool
}
================================================
FILE: Sources/SlackContext.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class SlackContext {
var teamName : String
var selfId : String
var users = [SlackUser]()
var channels = [SlackChannel]()
var groups = [SlackGroup]()
var ims = [SlackIM]()
init(withTeam team: SlackTeam) {
self.teamName = team.name
self.selfId = team.selfId
self.users.append(contentsOf: team.users)
self.channels.append(contentsOf: team.channels)
self.groups.append(contentsOf: team.groups)
self.ims.append(contentsOf: team.ims)
}
func suggestRecipient(for selection: String?, unreadIds: Set = [], backwardSearch: Bool) -> (id: String, name: String)? {
let channels = self.channels.filter({ $0.isMember }).map { ($0.id, $0.name) }
let groups = self.groups.map { ($0.id, $0.name) }
let ims = self.ims.map { im in
(im.id, (self.users.filter({ $0.id == im.user }).first?.name) ?? "")
}
let candidates = (channels + groups + ims).filter { unreadIds.isEmpty ? true : (unreadIds.contains($0.0) || $0.0 == selection) }
var suggestion: (id: String, name: String)? = nil
if let current = candidates.index(where: { $0.0 == selection }) {
if backwardSearch {
let next = current - 1
if next < 0 {
suggestion = candidates.last
} else {
suggestion = candidates[next]
}
} else {
let next = current + 1
if next >= candidates.count {
suggestion = candidates.first
} else {
suggestion = candidates[next]
}
}
}
return suggestion
}
func name(forId id: String) -> String? {
var name = self.channels.filter({ $0.id == id }).first?.name
if name == nil {
name = self.groups.filter({ $0.id == id }).first?.name
}
if name == nil {
if let im = self.ims.filter({ $0.id == id }).first {
if let user = self.users.filter({ $0.id == im.user }).first {
name = user.name
}
}
}
if name == nil {
if let user = self.users.filter({ $0.id == id }).first {
return user.name
}
}
return name
}
func user(forId id: String) -> SlackUser? {
return self.users.filter({ $0.id == id }).first
}
var me: SlackUser? {
return self.users.filter({ $0.id == self.selfId }).first
}
var defaultChannel: String? {
return self.channels.filter({ $0.general }).first?.id
}
}
================================================
FILE: Sources/SlackEmojiDecoder.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class SlackEmojiDecoder {
func decode(_ text: String) -> String {
//TODO - improve this by iterating only once over the text.
return text
.replacingOccurrences(of: ":skin-tone-1:", with: "🏻")
.replacingOccurrences(of: ":skin-tone-2:", with: "🏻")
.replacingOccurrences(of: ":skin-tone-3:", with: "🏼")
.replacingOccurrences(of: ":skin-tone-4:", with: "🏽")
.replacingOccurrences(of: ":skin-tone-5:", with: "🏾")
.replacingOccurrences(of: ":skin-tone-6:", with: "🏿")
.replacingOccurrences(of: ":100:", with: "💯")
.replacingOccurrences(of: "<3", with: "❤️")
.replacingOccurrences(of: " String? {
let permissionsStr = self.permissions.joined(separator: " ")
Utils.shell("open", "https://slack.com/oauth/authorize?client_id=\(self.clientId)&scope=\(permissionsStr)&redirect_uri=\(SlackOAuth2.address)")
let server = try Server(in_port_t(SlackOAuth2.port))
var processIncomingRequests = true
while processIncomingRequests {
try server.serve { (request, responder) in
guard request.path == "/" else {
responder(TextResponse(200, "Invalid request."))
return
}
guard let code = request.query.first?.1 else {
responder(TextResponse(200, "Could not get the code."))
return
}
guard let url = URL(string: "https://slack.com/api/oauth.access?client_id=\(self.clientId)&client_secret=\(self.clientSecret)&code=\(code)&redirect_uri=\(SlackOAuth2.address)") else {
responder(TextResponse(200, "Could not create URL object."))
return
}
do {
let (theData, _) = try URLSession.shared.synchronousDataTask(with: URLRequest(url: url))
guard let data = theData else {
responder(TextResponse(200, "No response from Slack."))
return
}
let object = try JSONSerialization.jsonObject(with:data)
guard let dict = object as? Dictionary else {
responder(TextResponse(200, "Slack's response is not a dictionary \(object)."))
return
}
guard let accessToken = dict["access_token"] as? String else {
responder(TextResponse(200, "Could not find access token in the response \(dict)."))
return
}
self.accessToken = accessToken
processIncomingRequests = false
responder(HtmlResponse(200, R.string.authConfirmation))
} catch {
responder(TextResponse(200, "Error occured for token request \(error)."))
}
}
}
return self.accessToken
}
}
================================================
FILE: Sources/SlackRealTimeClient.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class SlackRealTimeClient {
enum Err: Error {
case error(String)
}
private let websocketClient: WebSocketClient
init(_ url: String) throws {
guard let wssUrl = URL(string: url) else {
throw Err.error("Failed to create URL object from: \(url).")
}
guard let wssHost = wssUrl.host else {
throw Err.error("Could not find host for: \(wssUrl).")
}
self.websocketClient = try WebSocketClient(wssHost, path: wssUrl.path)
}
func send(_ channel: String, message: String, replyId: Int) throws {
let jsonData = try JSONSerialization.data(withJSONObject:
["id": replyId, "type": "message", "channel": channel, "text": message],
options: .prettyPrinted)
try self.websocketClient.writeFrame(opcode: .text, payload: [UInt8](jsonData))
}
func waitForEvent() throws -> SlackEvent? {
guard let frame = try self.websocketClient.waitForFrame() else {
return nil
}
switch frame.opcode {
case .text:
let object = try JSONSerialization.jsonObject(with: Data(frame.payload), options: .init(rawValue: 0))
guard let dictionary = object as? Dictionary else {
return nil
}
if let replyToId = dictionary["reply_to"] as? Int {
let ts = (dictionary["ts"] as? String) ?? ""
return .reply(replyToId, ts)
}
guard let type = dictionary["type"] as? String else {
return nil
}
switch type {
case "hello":
return .hello
case "message":
return self.handleMessageEvent(dictionary)
case "reconnect_url":
return .reconnectUrl
case "user_typing":
let channel = (dictionary["channel"] as? String) ?? ""
let user = (dictionary["user"] as? String) ?? ""
return .userTyping(channel, user)
case "channel_marked":
return .channelMarked
case "presence_change":
let user = (dictionary["user"] as? String) ?? ""
let presenceValue: String = (dictionary["presence"] as? String) ?? ""
return .presenceChange(user, presenceValue == "active" ? .active : .away)
case "file_created":
return .fileCreated
case "file_public":
return .filePublic
case "file_shared":
return .fileShared
case "file_change":
return .fileChange
case "pref_change":
return .prefChange
case "group_marked":
return .groupMarked
case "mpim_marked":
return .mpimMarked
case "im_marked":
return .imMarked
case "reaction_added":
if let item = dictionary["item"] as? [String: Any] {
if (item["type"] as? String) == "message" {
let reaction = (dictionary["reaction"] as? String) ?? ""
let channel = item["channel"] as? String ?? ""
let ts = item["ts"] as? String ?? ""
return .messageReactionAdded(reaction, channel, ts)
}
}
return nil
case "user_change":
return .userChange
case "team_rename":
let name = (dictionary["name"] as? String) ?? ""
return .teamRename(name)
case "desktop_notification":
let title = ((dictionary["title"] as? String) ?? "") + " " + ((dictionary["subtitle"] as? String) ?? "")
let message = ((dictionary["content"] as? String) ?? "")
return .desktopNotification(title, message)
default:
return .unknown("\(type) - \(dictionary)")
}
case .ping:
try self.websocketClient.writeFrame(opcode: .pong)
default:
return nil
}
return nil
}
private func handleMessageEvent(_ dictionary: Dictionary) -> SlackEvent {
let channel = (dictionary["channel"] as? String) ?? ""
let user = (dictionary["user"] as? String) ?? "unknown"
let message = (dictionary["text"] as? String) ?? ""
let ts = (dictionary["ts"] as? String) ?? ""
let subType = (dictionary["subtype"] as? String) ?? ""
switch subType {
case "message_changed":
if let updatedMessage = (dictionary["message"] as? Dictionary) {
let user = (updatedMessage["user"] as? String) ?? "unknown"
let ts = (updatedMessage["ts"] as? String) ?? ""
let text = (updatedMessage["text"] as? String) ?? ""
return .messageChanged(SlackMessage(ts: ts, channel: channel, user: user, text: text, reactions: []))
}
case "message_deleted":
let ts = (dictionary["deleted_ts"] as? String) ?? ""
return .messageDeleted(ts, channel)
default:break
}
return .message(SlackMessage(ts: ts, channel: channel, user: user, text: message, reactions: []))
}
}
================================================
FILE: Sources/SlackTeam.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct SlackTeam {
let selfId: String
let name: String
let users: [SlackUser]
let channels: [SlackChannel]
let groups: [SlackGroup]
let ims: [SlackIM]
let wssUrl: String
}
================================================
FILE: Sources/SlackUser.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct SlackUser {
enum Presence {
case active, away
}
let id: String
let name: String
let color: String
let presence: Presence
}
================================================
FILE: Sources/SlackWebClient.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
enum SlackWebClientError: Error {
case error(String)
}
class SlackWebClient {
private let token: String
init(authenticatedBy token: String) {
self.token = token
}
func rtm() throws -> SlackTeam {
return processStartRTMresponse(try self.rpc(forMethod: "rtm.start"))
}
func history(for channel: String) throws -> [SlackMessage] {
var method = "channels.history"
if let firstCharacter = channel.first {
switch firstCharacter {
//TODO - This mapping is rather naive. There should be separated methods for: groups and ims.
case "C": method = "channels.history"
case "G": method = "groups.history"
case "D": method = "im.history"
default: break
}
}
let response = try self.rpc(forMethod: method, withParams: ["channel": channel])
guard let messages = response["messages"] as? Array else {
throw SlackWebClientError.error("No messages array in the response \(response).")
}
return messages.map { item in
guard let dictionary = item as? Dictionary else {
return SlackMessage(ts: "", channel: "", user: "", text: "", reactions: [])
}
return SlackMessage(ts: (dictionary["ts"] as? String) ?? "",
channel: channel,
user: (dictionary["user"] as? String) ?? "",
text: (dictionary["text"] as? String) ?? "",
reactions: (dictionary["reactions"] as? [[String: Any]])?.map({ item in
return SlackMessageReaction(
name: item["name"] as? String ?? "",
count: item["count"] as? Int ?? 0,
users: item["users"] as? [String] ?? []
)
}) ?? []
)
}
}
private func rpc(forMethod rpcMethod: String, withParams params: [String: String] = [:]) throws -> Dictionary {
var queryParams = [String: String]()
queryParams["token"] = token
params.forEach { queryParams[$0.key] = $0.value }
let urlString = ("https://slack.com/api/\(rpcMethod)?") + queryParams.map({ $0 + "=" + $1}).joined(separator: "&")
guard let url = URL(string: urlString) else {
throw SlackWebClientError.error("Could not create URL object.")
}
let (theData, _) = try URLSession.shared.synchronousDataTask(with: URLRequest(url: url))
guard let data = theData else {
throw SlackWebClientError.error("Error receiving data.")
}
let object = try JSONSerialization.jsonObject(with:data)
guard let dict = object as? Dictionary else {
throw SlackWebClientError.error("\(rpcMethod)'s response is not a dictionary.")
}
guard (dict["ok"] as? Bool) == true else {
throw SlackWebClientError.error("result not ok \(dict).")
}
return dict
}
private func processStartRTMresponse(_ object: Any) -> SlackTeam {
return SlackTeam(
selfId : object ← "self" ← "id",
name : object ← "team" ← "name",
users: (object ←← "users").map(
{ SlackUser(id: $0 ← "id", name: $0 ← "name", color: $0 ← "color", presence: ($0 ← "presence") == "active" ? .active : .away) }
),
channels: (object ←← "channels").map({
SlackChannel(
id: $0 ← "id",
name: $0 ← "name",
members: ($0 ←← "members").map({ ($0 as? String) ?? "" }),
topic: $0 ← "topic",
general: $0 ← "is_general",
isMember: $0 ← "is_member"
)}
),
groups: (object ←← "groups").map(
{ SlackGroup(id: $0 ← "id", name: $0 ← "name",
members: ($0 ←← "members").map({ ($0 as? String) ?? "" }),
topic: $0 ← "topic")}
),
ims: (object ←← "ims").map({ SlackIM(id: $0 ← "id", user: $0 ← "user") }),
wssUrl: object ← "url"
)
}
}
precedencegroup LookupSeparatorPrecedence { associativity: left }
infix operator ← : LookupSeparatorPrecedence
infix operator ←← : LookupSeparatorPrecedence
func ← (left: Any, right: String) -> [String: Any] {
if let dict = left as? [String: Any] {
return (dict[right] as? [String: Any]) ?? [String: Any]()
}
return [String: Any]()
}
func ←← (left: Any, right: String) -> [Any] {
if let dict = left as? [String: Any] {
return (dict[right] as? [Any]) ?? [Any]()
}
return [Any]()
}
func ← (left: Any, right: String) -> String? {
if let dict = left as? [String: Any] {
return (dict[right] as? String)
}
return nil
}
func ← (left: Any, right: String) -> String {
if let dict = left as? [String: Any] {
return (dict[right] as? String) ?? ""
}
return ""
}
func ← (left: Any, right: String) -> Bool? {
if let dict = left as? [String: Any] {
return (dict[right] as? Bool)
}
return nil
}
func ← (left: Any, right: String) -> Bool {
if let dict = left as? [String: Any] {
return (dict[right] as? Bool) ?? false
}
return false
}
func ← (left: [String: Any], right: String) -> [String: Any] {
return (left[right] as? [String: Any]) ?? [String: Any]()
}
func ← (left: [String: Any], right: String) -> Int? {
return (left[right] as? Int) ?? nil
}
func ← (left: [String: Any], right: String) -> Int {
return (left[right] as? Int) ?? 0
}
func ← (left: [String: Any], right: String) -> String? {
return (left[right] as? String) ?? nil
}
func ← (left: [String: Any], right: String) -> String {
return (left[right] as? String) ?? ""
}
func ← (left: [String: Any], right: String) -> Bool? {
return (left[right] as? Bool)
}
func ← (left: [String: Any], right: String) -> Bool {
return (left[right] as? Bool) ?? false
}
================================================
FILE: Sources/Socket.swift
================================================
#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
import Darwin
#elseif os(Linux)
import Glibc
#endif
struct Socket {
static func read(_ socket:Int32, _ buffer: UnsafeMutableRawPointer, _ size:Int) -> Int {
#if os(macOS)
return Darwin.read(socket, buffer, size)
#elseif os(Linux)
return Glibc.read(socket, buffer, size)
#endif
}
static func write(_ socket:Int32, _ buffer: Array, _ size:Int) -> Int {
#if os(macOS)
return Darwin.write(socket, buffer, size)
#elseif os(Linux)
return Glibc.write(socket, buffer, size)
#endif
}
static func close(_ socket:Int32) -> Int32 {
#if os(macOS)
return Darwin.close(socket)
#elseif os(Linux)
return Glibc.close(socket)
#endif
}
}
================================================
FILE: Sources/TLSSocket.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
#if os(OSX) || os(iOS)
enum TLSSocketError: Error {
case error(String)
}
class TLSSocket {
private var socket: Int32
private let sslContext: SSLContext
init(_ address: String, port: Int = 443) throws {
guard let context = SSLCreateContext(nil, .clientSide, .streamType) else {
throw TLSSocketError.error("SSLCreateContext returned null.")
}
self.sslContext = context
let socket = Darwin.socket(AF_INET, SOCK_STREAM, 0)
guard socket != -1 else {
throw TLSSocketError.error("Darwin.socket failed: \(errno)")
}
self.socket = socket
var addr = sockaddr_in()
addr.sin_len = __uint8_t(MemoryLayout.size)
addr.sin_family = sa_family_t(AF_INET)
addr.sin_port = UInt16(port).bigEndian
guard inet_pton(AF_INET, address, &(addr.sin_addr)) == 1 else {
let _ = Darwin.close(self.socket)
throw TLSSocketError.error("inet_pton failed.")
}
if withUnsafePointer(to: &addr, {
Darwin.connect(socket, UnsafePointer(OpaquePointer($0)), socklen_t(MemoryLayout.size))
}) == -1 {
let _ = Darwin.close(self.socket)
throw TLSSocketError.error("Darwin.connect failed: \(errno)")
}
SSLSetIOFuncs(context, sslRead, sslWrite)
guard SSLSetConnection(context, &self.socket) == noErr else {
let _ = Darwin.close(self.socket)
throw TLSSocketError.error("SSLSetConnection failed.")
}
let handshakeResult = SSLHandshake(context)
guard handshakeResult == noErr else {
let _ = Darwin.close(self.socket)
throw TLSSocketError.error("SSLHandshake failed: \(handshakeResult)")
}
}
func close() {
SSLClose(self.sslContext)
let _ = Darwin.close(self.socket)
}
func writeData(_ data: [UInt8]) throws {
var processed = 0
let result = SSLWrite(self.sslContext, data, data.count, &processed)
guard result == noErr else {
throw TLSSocketError.error("SSLWrite failed: \(result)")
}
}
func readData() throws -> [UInt8] {
var processed = 0
var data = [UInt8](repeating: 0, count: 1024)
let result = SSLRead(self.sslContext, &data, data.count, &processed)
guard result == noErr else {
throw TLSSocketError.error("SSLRead failed: \(result)")
}
data.removeLast(data.count - processed)
return data
}
}
func sslRead(_ socketRef: SSLConnectionRef, _ data: UnsafeMutableRawPointer, _ length: UnsafeMutablePointer) -> OSStatus {
let socket = socketRef.load(as: Int32.self)
var n = 0
while n < length.pointee {
let result = read(socket, data + n, length.pointee - n)
if result <= 0 {
if result == Int(ENOENT) {
return errSSLClosedGraceful
}
if result == Int(ECONNRESET) {
return errSSLClosedAbort
}
return OSStatus(ioErr)
}
n += result
}
length.pointee = n
return noErr
}
func sslWrite(_ socketRef: SSLConnectionRef, _ data: UnsafeRawPointer, _ length: UnsafeMutablePointer) -> OSStatus {
let socket = socketRef.load(as: Int32.self)
var n = 0
while n < length.pointee {
let result = write(socket, data + n, length.pointee - n)
if result <= 0 {
if result == Int(EPIPE) {
return errSSLClosedAbort
}
if result == Int(ECONNRESET) {
return errSSLClosedAbort
}
return OSStatus(ioErr)
}
n += result
}
length.pointee = n
return noErr
}
#endif
================================================
FILE: Sources/TerminalCanvas.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class TerminalCanvas {
var buffer = [UInt8]()
init() {
self.buffer.reserveCapacity(4_000)
}
@discardableResult func clear() -> TerminalCanvas {
self.buffer.removeAll(keepingCapacity: true)
return self
}
@discardableResult func cursor(_ x: Int, _ y: Int) -> TerminalCanvas {
self.buffer.append(contentsOf: "\u{001B}[\(y);\(x)H".utf8)
return self
}
@discardableResult func hideCursor() -> TerminalCanvas {
self.buffer.append(contentsOf: "\u{001B}[?25l".utf8)
return self
}
@discardableResult func showCursor() -> TerminalCanvas {
self.buffer.append(contentsOf: "\u{001B}[?25h".utf8)
return self
}
@discardableResult func clean() -> TerminalCanvas {
buffer.append(contentsOf: "\u{001B}[0m\u{001B}[2J".utf8)
return self
}
@discardableResult func color(_ color: Int) -> TerminalCanvas {
if color < 0 {
buffer.append(contentsOf: "\u{001B}[39m".utf8)
} else {
buffer.append(contentsOf: "\u{001B}[38;5;\(color)m".utf8)
}
return self
}
@discardableResult func background(_ color: Int) -> TerminalCanvas {
if color < 0 {
buffer.append(contentsOf: "\u{001B}[49m".utf8)
} else {
buffer.append(contentsOf: "\u{001B}[48;5;\(color)m".utf8)
}
return self
}
@discardableResult func blink(_ flag: Bool) -> TerminalCanvas {
self.buffer.append(contentsOf: "\u{001B}[\(flag ? "5" : "25")m".utf8)
return self
}
@discardableResult func text(_ text: String) -> TerminalCanvas {
buffer.append(contentsOf: text.utf8)
return self
}
@discardableResult func reset() -> TerminalCanvas {
buffer.append(contentsOf: "\u{001B}[0m".utf8)
return self
}
}
================================================
FILE: Sources/TerminalDevice.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
enum ControlKey {
case null
case ctrlC
case ctrlD
case ctrlF
case ctrlH
case tab(Bool)
case cr
case ctrlL
case enter
case ctrlQ
case ctrlS
case ctrlU
case esc
case backspace
case arrowUp
case arrowDown
case arrowLeft
case arrowRight
case other(Character)
}
class TerminalDevice {
enum TerminalError: Error {
case error(String)
}
private var originalTermios = termios()
init() throws {
guard tcgetattr(fileno(stdin), &self.originalTermios) == 0 else {
throw TerminalError.error("Could not load current terminal config: \(errno)")
}
try self.terminalEnableRawMode()
self.flush(TerminalCanvas().clean().buffer)
}
var size: (width: Int, height: Int) {
var w = winsize()
guard ioctl(fileno(stdout), TIOCGWINSZ, &w) == 0 else {
exit(1)
}
return (Int(w.ws_col), Int(w.ws_row))
}
func key() -> ControlKey {
let c = getwchar()
switch c {
case 0: return .null
case 3: return .ctrlC
case 4: return .ctrlD
case 6: return .ctrlF
case 8: return .ctrlH
case 9: return .tab(false)
case 10: return .cr
case 12: return .ctrlL
case 13: return .enter
case 17: return .ctrlQ
case 19: return .ctrlS
case 21: return .ctrlU
case 27:
let c1 = getwchar()
let c2 = getwchar()
if c1 == 91 {
switch c2 {
case 65: return .arrowUp
case 66: return .arrowDown
case 68: return .arrowLeft
case 67: return .arrowRight
case 90: return .tab(true)
default: break
}
}
return .esc
case 127: return .backspace
default: return .other(Character(UnicodeScalar(Int(c))!))
}
}
func flush(_ buffer: [UInt8]) {
write(fileno(stdout), buffer, buffer.count)
}
func reset() throws {
guard tcsetattr(fileno(stdin), TCSAFLUSH, &self.originalTermios) == 0 else {
throw TerminalError.error("Could not revert the original mode: \(errno)")
}
self.flush(TerminalCanvas().clean().cursor(1, 1).showCursor().buffer)
}
private func terminalEnableRawMode() throws {
var rawModeTermios = termios()
memcpy(&rawModeTermios, &self.originalTermios, MemoryLayout.size)
rawModeTermios.c_lflag = UInt(Int32(rawModeTermios.c_lflag)
& (~(ECHO | ECHONL | ICANON | IEXTEN | ISIG)))
rawModeTermios.c_iflag = UInt(Int32(rawModeTermios.c_iflag)
& (~(IGNBRK | BRKINT | INLCR | ICRNL | INPCK | PARMRK | ISTRIP | IXON | IUTF8)))
rawModeTermios.c_cflag = UInt(Int32(rawModeTermios.c_cflag) & CS8)
rawModeTermios.c_oflag = 0
rawModeTermios.c_cc.17 /*[VTIME]*/ = 0
rawModeTermios.c_cc.16 /*[VMIN] */ = 1
guard tcsetattr(fileno(stdin), TCSAFLUSH, &rawModeTermios) == 0 else {
throw TerminalError.error("Could not enable raw mode: \(errno)")
}
}
}
================================================
FILE: Sources/TextLayout.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
struct TextSpan: ExpressibleByStringLiteral {
let text: String
let textColor: Int
let backgroundColor: Int
init(stringLiteral value: String) {
self.text = value
self.textColor = R.color.defaulTextColor
self.backgroundColor = R.color.defaultBgColor
}
init(extendedGraphemeClusterLiteral value: String) {
self.text = value
self.textColor = R.color.defaulTextColor
self.backgroundColor = R.color.defaultBgColor
}
init(unicodeScalarLiteral value: String) {
self.text = value
self.textColor = R.color.defaulTextColor
self.backgroundColor = R.color.defaultBgColor
}
init(_ text: String, withColor: Int = R.color.defaulTextColor, withBackground: Int = R.color.defaultBgColor) {
self.text = text
self.textColor = withColor
self.backgroundColor = withBackground
}
}
class TextLayout {
let canvas = TerminalCanvas()
func layout(_ spans: [TextSpan], alignToWidth width: Int, highlightColor: Int? = nil) -> [[UInt8]] {
canvas.clear()
var counter = 0
var lines = [[UInt8]]()
for span in spans {
canvas.background(highlightColor ?? span.backgroundColor)
canvas.color(span.textColor)
for character in span.text {
if character == "\n" {
canvas.text(String(repeating: " ", count: width - counter))
counter = 0
lines.append(canvas.buffer)
canvas.clear()
canvas.background(highlightColor ?? span.backgroundColor)
canvas.color(span.textColor)
} else {
canvas.text(String(character))
counter = counter + 1
if counter == width {
counter = 0
lines.append(canvas.buffer)
canvas.clear()
canvas.background(highlightColor ?? span.backgroundColor)
canvas.color(span.textColor)
}
}
}
}
if counter < width {
canvas.text(String(repeating: " ", count: width - counter))
lines.append(canvas.buffer)
}
return lines
}
}
================================================
FILE: Sources/URLSession.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
extension URLSession {
/// Synchonized version of dataTask(with URLRequest)
func synchronousDataTask(with request: URLRequest) throws -> (data: Data?, response: HTTPURLResponse?) {
let semaphore = DispatchSemaphore(value: 0)
var data: Data?
var response: URLResponse?
var error: Error?
URLSession.shared.dataTask(with: request) { (theData, theResponse, theError) -> Void in
// extract information from callback
data = theData
response = theResponse
error = theError
// wake semaphore
semaphore.signal()
}.resume()
// wait until signaled
_ = semaphore.wait(timeout: .distantFuture)
// do we have an error?
if let error = error {
throw error
}
return (data: data, response: response as! HTTPURLResponse?)
}
}
================================================
FILE: Sources/UserInputView.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class UserInputView {
private let renderer = TerminalCanvas()
private let terminalDevice: TerminalDevice
init(_ device: TerminalDevice) {
self.terminalDevice = device
}
var placeholder = R.string.inputPlaceholder
var input = ""
var cursor = 0
func draw() {
let size = self.terminalDevice.size
guard size.width > 0 && size.height > 0 else {
return
}
self.renderer
.clear()
.hideCursor()
.cursor(R.dimen.channelsListWidth + 1, size.height - 1)
.background(R.color.defaultBgColor)
.color(R.color.channelListBgColor)
.text(String(repeating: "─", count: size.width-R.dimen.channelsListWidth))
.cursor(R.dimen.channelsListWidth + 1, size.height)
if self.input.isEmpty {
self.renderer
.color(R.color.userInputPlaceholderTextColor)
.background(R.color.userInputBackgorundColor)
.text((" " + placeholder).padding(toLength: size.width - R.dimen.channelsListWidth, withPad: " ", startingAt: 0))
.cursor(R.dimen.channelsListWidth + 2, size.height)
} else {
self.renderer
.color(R.color.userInputTextColor)
.background(R.color.userInputBackgorundColor)
.text((" " + input).padding(toLength: size.width - R.dimen.channelsListWidth, withPad: " ", startingAt: 0))
.cursor(R.dimen.channelsListWidth + 2 + cursor, size.height)
}
self.renderer.showCursor()
self.terminalDevice.flush(renderer.buffer)
}
}
================================================
FILE: Sources/Utils.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class Utils {
class func shell(_ args: String...) {
let task = Process()
task.launchPath = "/usr/bin/env"
task.arguments = args
task.launch()
}
class func xterm256Color(forUser user: SlackUser) -> Int {
// Slack API provides a True-Color value for every user (example: 4b3a5a). Terminal supports only 256 colors.
// Instead of using complex alghoritm for finding the closet color from 256 palette, just get modulo 255 value.
return (Int(user.color, radix: 16) ?? R.color.messageAuthorTextColor) % 255
}
}
================================================
FILE: Sources/WebSocketClient.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
class WebSocketClient {
enum Err: Error {
case unknownOpCode(String)
case unMaskedFrame
case notImplemented(String)
case invalidFrameLength(String)
case io(String)
}
enum OpCode: UInt8 {
case `continue` = 0x00
case close = 0x08
case ping = 0x09
case pong = 0x0A
case text = 0x01
case binary = 0x02
}
struct Frame {
let opcode: OpCode
let payload: [UInt8]
}
private let mask: [UInt8]
private let socket: TLSSocket
private var inputBuffer = [UInt8]()
init(_ host: String, path: String) throws {
self.mask = WebSocketClient.provideRandomValues(4)
self.socket = try TLSSocket(try WebSocketClient.addressForHost(host))
let secWebSocketKey = Data(WebSocketClient.provideRandomValues(16)).base64EncodedString()
let handshakeRequest = [UInt8]((
"GET \(path)?encoding=text HTTP/1.1\r\n" +
"Host: \(host)\r\n" +
"Pragma:no-cache\r\n" +
"Upgrade: websocket\r\n" +
"Connection: Upgrade\r\n" +
"Cache-Control: no-cache\r\n" +
"Sec-WebSocket-Version: 13\r\n" +
"Sec-WebSocket-Key: \(secWebSocketKey)\r\n\r\n").utf8)
try self.socket.writeData(handshakeRequest)
//TODO: parse http response in a better way to validate returned Sec-WebSocket-Accept.
skipHeaders: while true {
let chunk = try self.socket.readData()
var iteratpr = chunk.makeIterator()
while let b = iteratpr.next() {
if b != 13 { inputBuffer.append(b) }
if inputBuffer.count >= 2 && inputBuffer.last == 10 && inputBuffer[inputBuffer.endIndex - 2] == 10 {
inputBuffer.removeAll(keepingCapacity: true)
inputBuffer.append(contentsOf: iteratpr)
break skipHeaders
}
}
}
}
func writeFrame(fin: Bool = true, opcode: OpCode, payload: [UInt8] = []) throws {
var data = [UInt8]()
data.append(UInt8(fin ? 0x80 : 0x00) | opcode.rawValue)
data.append(contentsOf: encodeLengthAndMaskFlag(UInt64(payload.count), mask: self.mask))
data.append(contentsOf: payload.enumerated().map { item in
item.element ^ self.mask[item.offset % self.mask.count]
})
try self.socket.writeData(data)
}
private class func provideRandomValues(_ count: Int) -> [UInt8] {
var result = [UInt8]()
for _ in 0.. [UInt8] {
let encodedLngth = UInt8(mask != nil ? 0x80 : 0x00)
var encodedBytes = [UInt8]()
switch len {
case 0...125:
encodedBytes.append(encodedLngth | UInt8(len));
case 126...UInt64(UINT16_MAX):
encodedBytes.append(encodedLngth | 0x7E);
encodedBytes.append(UInt8(len >> 8 & 0xFF));
encodedBytes.append(UInt8(len >> 0 & 0xFF));
default:
encodedBytes.append(encodedLngth | 0x7F);
encodedBytes.append(UInt8(len >> 56 & 0xFF));
encodedBytes.append(UInt8(len >> 48 & 0xFF));
encodedBytes.append(UInt8(len >> 40 & 0xFF));
encodedBytes.append(UInt8(len >> 32 & 0xFF));
encodedBytes.append(UInt8(len >> 24 & 0xFF));
encodedBytes.append(UInt8(len >> 16 & 0xFF));
encodedBytes.append(UInt8(len >> 08 & 0xFF));
encodedBytes.append(UInt8(len >> 00 & 0xFF));
}
if let mask = mask {
encodedBytes.append(contentsOf: mask)
}
return encodedBytes
}
func waitForFrame() throws -> Frame? {
// Handle remaining frames after the handshake.
if let frame = try self.lookfForFrame() {
return frame
}
inputBuffer.append(contentsOf: try self.socket.readData())
if let frame = try self.lookfForFrame() {
return frame
}
return nil
}
private func lookfForFrame() throws -> Frame? {
guard inputBuffer.count > 1 else { return nil }
let _ /* fin flag */ = inputBuffer[0] & 0x80 != 0
let opc = inputBuffer[0] & 0x0F
guard let opcode = OpCode(rawValue: opc) else {
// "If an unknown opcode is received, the receiving endpoint MUST _Fail the WebSocket Connection_."
// http://tools.ietf.org/html/rfc6455#section-5.2 ( Page 29 )
throw Err.unknownOpCode("\(opc)")
}
var offset = 2
var len = UInt64(0)
switch UInt64(inputBuffer[1] & 0x7F) {
case let short where short < 0x7E:
len = short
case 0x7E:
guard inputBuffer.count > 3 else { return nil }
len = UInt64(littleEndian: UInt64(inputBuffer[2]) << 8 | UInt64(inputBuffer[3]))
offset = 4
case 0x7F:
guard inputBuffer.count > 9 else { return nil }
let byte2 = UInt64(inputBuffer[2]) << 54
let byte3 = UInt64(inputBuffer[3]) << 48
let byte4 = UInt64(inputBuffer[4]) << 40
let byte5 = UInt64(inputBuffer[5]) << 32
let byte6 = UInt64(inputBuffer[6]) << 24
let byte7 = UInt64(inputBuffer[7]) << 16
let byte8 = UInt64(inputBuffer[8]) << 8
let byte9 = UInt64(inputBuffer[9])
len = UInt64(littleEndian: byte2 | byte3 | byte4 | byte5 | byte6 | byte7 | byte8 | byte9)
offset = 10
default:
throw Err.invalidFrameLength("Not allowed frame length: \(len)")
}
let masked = (inputBuffer[1] & 0x80) != 0
guard (len + UInt64(offset) + (masked ? 4 : 0)) <= UInt64(inputBuffer.count) else {
return nil
}
if masked {
let mask = [inputBuffer[offset], inputBuffer[offset+1], inputBuffer[offset+2], inputBuffer[offset+3]]
offset = offset + mask.count
let payload = inputBuffer[offset..<(offset + Int(len /* //TODO fix Int64/Int conversion */))]
.enumerated()
.map {
$0.element ^ mask[Int($0.offset % 4)]
}
inputBuffer.removeFirst(offset+Int(len))
return Frame(opcode: opcode, payload: payload)
} else {
let payload = [UInt8](inputBuffer[offset..<(offset + Int(len /* //TODO fix Int64/Int conversion */))])
inputBuffer.removeFirst(offset+Int(len))
return Frame(opcode: opcode, payload: payload)
}
}
private static func addressForHost(_ host: String) throws -> String {
guard let info = host.withCString({ gethostbyname($0) }) else {
throw Err.io("Could not find address for \(host): gethostbyname failed.")
}
guard let first = info.pointee.h_addr_list[0] else {
throw Err.io("Could not find address for \(host): empty list.")
}
var buffer = [Int8](repeating: 0, count: 256)
guard inet_ntop(AF_INET, first, &buffer, socklen_t(buffer.count)) != nil else {
throw Err.io("Could not find address for \(host): inet_ntop failed \(errno).")
}
return String(cString: buffer)
}
}
================================================
FILE: Sources/main.swift
================================================
//
// slash
//
// Copyright © 2016 slash Corp. All rights reserved.
//
import Foundation
setlocale(LC_CTYPE,"UTF-8")
let device = try TerminalDevice()
CrashReporter.watch(usingDevice: device)
var token: String!
if CommandLine.arguments.count > 1 {
token = CommandLine.arguments[1]
} else {
device.flush(TerminalCanvas()
.clean()
.cursor(1, 1)
.text(String(format: R.string.authHelpMessage, SlackOAuth2.address)).buffer)
let slackAuthenticator = SlackOAuth2(clientId: "2296647491.109731100693", clientSecret: "db81eea6c974916693ab746775dbc096", permissions: ["client"])
token = try slackAuthenticator.authenticate()
device.flush(TerminalCanvas().clean().buffer)
}
let application = try Application(usingDevice: device, authenticatedBy: token)
signal(SIGWINCH) { _ in
application.notifyTerminalSizeHasChanged()
}
application.run()
================================================
FILE: slash.rb
================================================
class Slash < Formula
desc "Slack terminal client written in Swift."
homepage "https://github.com/slash-hq/slash"
url "https://github.com/slash-hq/slash/archive/0.1.0.tar.gz"
sha256 "8a709579ffba7c47b1e1975bb418d72ecbd542539d4cd6f7a72d876808bfbdb2"
depends_on :xcode
def install
xcodebuild "-workspace", "slash.xcodeproj/project.xcworkspace", "-derivedDataPath", "prefix.to_s", "-configuration", "Release", "-scheme", "slash", "SYMROOT=#{prefix}/Build"
bin.install(prefix + "Build/Release/slash")
end
test do
system "false"
end
end
================================================
FILE: slash.sublime-project
================================================
{
"build_systems": [
{
"shell_cmd": "swift build -v",
"name": "Sublime SPM Build for Swift."
}
],
"folders": [
{
"path": ".",
"follow_symlinks": true
}
]
}
================================================
FILE: slash.xcodeproj/project.pbxproj
================================================
// !$*UTF8*$!
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FILE: slash.xcodeproj/project.xcworkspace/contents.xcworkspacedata
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FILE: slash.xcodeproj/xcshareddata/xcschemes/slash.xcscheme
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