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ethanndicksonethanndickson
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feat: support RDP-specific deep links (#147)
Closes #96. If a `coder_app` exists on the workspace, where the URL is of the form: ```coder://dev.coder.com/v0/open/ws/<workspace>/agent/<agent>/rdp?username=administrator&password=password``` the URL will be parsed, validated, and an alert opened. If `Open` is clicked on the alert, the password will be written to the clipboard, where it can be pasted when prompted. https://github.com/user-attachments/assets/da8410c7-d656-4bf7-936a-8d465953e195 We're unable to avoid the entering of the password, as the `password` field in an `.rdp` file, even if encrypted properly, is ignored by the macOS Windows RDP app. The app supports reading credentials from the macOS keychain, and whilst we could create keychain entries, they have to be associated with an RDP config in the app, and there's no way to automate the creation of that config, and then run that config. Further reading: https://stackoverflow.com/questions/48713606/how-to-create-rdp-file-on-mac-os-that-allows-auto-login https://techcommunity.microsoft.com/discussions/azurevirtualdesktopforum/macos-remote-desktop-client-app---automatic-logon-no-credential-prompt/2596451 The above demo was done by adding this app to the template: ``` resource "coder_app" "connectrdp" { agent_id = coder_agent.main.id slug = "connectrdp" display_name = "Coder Connect RDP" url = "coder://dev.coder.com/v0/open/ws/${data.coder_workspace.me.name}/agent/main/rdp?username=Administrator&password=coderRDP!" icon = "/icon/terminal.svg" external = true } ```
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-9
lines changed

6 files changed

+96
-9
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‎Coder-Desktop/Coder-Desktop/Coder_DesktopApp.swift

+1-1
Original file line numberDiff line numberDiff line change
@@ -85,7 +85,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
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image: "MenuBarIcon",
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onAppear: {
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// If the VPN is enabled, it's likely the token isn't expired
88-
guard case .disabled = self.vpn.state, self.state.hasSession else { return }
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guard self.vpn.state != .connected, self.state.hasSession else { return }
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Task { @MainActor in
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await self.state.handleTokenExpiry()
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}

‎Coder-Desktop/Coder-Desktop/URLHandler.swift

+57-7
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,5 @@
11
import Foundation
2+
import SwiftUI
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import VPNLib
34

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@MainActor
@@ -20,20 +21,69 @@ class URLHandler {
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guard deployment.host() == url.host else {
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throw .invalidAuthority(url.host() ?? "<none>")
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}
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let route: CoderRoute
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do {
24-
switch try router.match(url: url) {
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case let .open(workspace, agent, type):
26+
route = try router.match(url: url)
27+
} catch {
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throw .matchError(url: url)
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}
30+
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switch route {
32+
case let .open(workspace, agent, type):
33+
do {
2634
switch type {
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case let .rdp(creds):
28-
handleRDP(workspace: workspace, agent: agent, creds: creds)
36+
try handleRDP(workspace: workspace, agent: agent, creds: creds)
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}
38+
} catch {
39+
throw .openError(error)
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}
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} catch {
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throw .matchError(url: url)
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}
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}
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private func handleRDP(workspace: String, agent: String, creds: RDPCredentials) throws(OpenError) {
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guard vpn.state == .connected else {
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throw .coderConnectOffline
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}
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guard let workspace = vpn.menuState.findWorkspace(name: workspace) else {
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throw .invalidWorkspace(workspace: workspace)
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}
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guard let agent = vpn.menuState.findAgent(workspaceID: workspace.id, name: agent) else {
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throw .invalidAgent(workspace: workspace.name, agent: agent)
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}
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57+
var rdpString = "rdp:full address=s:\(agent.primaryHost):3389"
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if let username = creds.username {
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rdpString += "&username=s:\(username)"
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}
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guard let url = URL(string: rdpString) else {
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throw .couldNotCreateRDPURL(rdpString)
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}
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35-
func handleRDP(workspace _: String, agent _: String, creds _: RDPCredentials) {
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// TODO: Handle RDP
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let alert = NSAlert()
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alert.messageText = "Opening RDP"
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alert.informativeText = "Connecting to \(agent.primaryHost)."
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if let username = creds.username {
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alert.informativeText += "\nUsername: \(username)"
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}
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if creds.password != nil {
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alert.informativeText += "\nThe password will be copied to your clipboard."
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}
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alert.alertStyle = .informational
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alert.addButton(withTitle: "Open")
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alert.addButton(withTitle: "Cancel")
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let response = alert.runModal()
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if response == .alertFirstButtonReturn {
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if let password = creds.password {
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NSPasteboard.general.clearContents()
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NSPasteboard.general.setString(password, forType: .string)
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}
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NSWorkspace.shared.open(url)
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} else {
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// User cancelled
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}
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}
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}

‎Coder-Desktop/Coder-Desktop/VPN/MenuState.swift

+9
Original file line numberDiff line numberDiff line change
@@ -58,6 +58,15 @@ struct VPNMenuState {
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// or have any invalid UUIDs.
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var invalidAgents: [Vpn_Agent] = []
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public func findAgent(workspaceID: UUID, name: String) -> Agent? {
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agents.first(where: { $0.value.wsID == workspaceID && $0.value.name == name })?.value
63+
}
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65+
public func findWorkspace(name: String) -> Workspace? {
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workspaces
67+
.first(where: { $0.value.name == name })?.value
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}
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mutating func upsertAgent(_ agent: Vpn_Agent) {
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guard
6372
let id = UUID(uuidData: agent.id),

‎Coder-Desktop/VPNLib/CoderRouter.swift

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Original file line numberDiff line numberDiff line change
@@ -2,6 +2,7 @@ import Foundation
22
import URLRouting
33

44
// This is in VPNLib to avoid depending on `swift-collections` in both the app & extension.
5+
// https://github.com/coder/coder-desktop-macos/issues/149
56
public struct CoderRouter: ParserPrinter {
67
public init() {}
78

@@ -33,6 +34,7 @@ public enum RouterError: Error {
3334
case invalidAuthority(String)
3435
case matchError(url: URL)
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case noSession
37+
case openError(OpenError)
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3739
public var description: String {
3840
switch self {
@@ -42,6 +44,30 @@ public enum RouterError: Error {
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"Failed to handle \(url.absoluteString) because the format is unsupported."
4345
case .noSession:
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"Not logged in."
47+
case let .openError(error):
48+
error.description
49+
}
50+
}
51+
52+
public var localizedDescription: String { description }
53+
}
54+
55+
public enum OpenError: Error {
56+
case invalidWorkspace(workspace: String)
57+
case invalidAgent(workspace: String, agent: String)
58+
case coderConnectOffline
59+
case couldNotCreateRDPURL(String)
60+
61+
public var description: String {
62+
switch self {
63+
case let .invalidWorkspace(ws):
64+
"Could not find workspace '\(ws)'. Does it exist?"
65+
case .coderConnectOffline:
66+
"Coder Connect must be running."
67+
case let .invalidAgent(workspace: workspace, agent: agent):
68+
"Could not find agent '\(agent)' in workspace '\(workspace)'. Is the workspace running?"
69+
case let .couldNotCreateRDPURL(rdpString):
70+
"Could not construct RDP URL from '\(rdpString)'."
4571
}
4672
}
4773

‎Coder-Desktop/VPNLib/FileSync/FileSyncDaemon.swift

+2
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,8 @@ public protocol FileSyncDaemon: ObservableObject {
2424
func resetSessions(ids: [String]) async throws(DaemonError)
2525
}
2626

27+
// File Sync related code is in VPNLib to workaround a linking issue
28+
// https://github.com/coder/coder-desktop-macos/issues/149
2729
@MainActor
2830
public class MutagenDaemon: FileSyncDaemon {
2931
let logger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "mutagen")

‎scripts/build.sh

+1-1
Original file line numberDiff line numberDiff line change
@@ -131,7 +131,7 @@ xcodebuild \
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CODE_SIGN_IDENTITY="$CODE_SIGN_IDENTITY" \
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CODE_SIGN_INJECT_BASE_ENTITLEMENTS=NO \
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CODE_SIGN_ALLOW_ENTITLEMENTS_MODIFICATION=YES \
134-
OTHER_CODE_SIGN_FLAGS='--timestamp' | LC_ALL="en_US.UTF-8" xcpretty
134+
OTHER_CODE_SIGN_FLAGS='--timestamp' | xcbeautify
135135

136136
# Create exportOptions.plist
137137
EXPORT_OPTIONS_PATH="./build/exportOptions.plist"

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