Module: Legion::API::Routes::AuthTeams

Defined in:
lib/legion/api/auth_teams.rb

Defined Under Namespace

Modules: TeamsTokenHelper

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.mutex ⇒ Object (readonly)

Returns the value of attribute mutex.



14
15
16
 
# File 'lib/legion/api/auth_teams.rb', line 14

def mutex
  @mutex
end

.pending ⇒ Object (readonly)

Returns the value of attribute pending.



14
15
16
 
# File 'lib/legion/api/auth_teams.rb', line 14

def pending
  @pending
end

Class Method Details

.register_authorize(app) ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
 
# File 'lib/legion/api/auth_teams.rb', line 24

def self.register_authorize(app)
  app.post '/api/auth/teams/authorize' do
    teams_settings = Legion::Settings[:microsoft_teams] || {}
    auth_settings = teams_settings[:auth] || {}

    tenant_id = teams_settings[:tenant_id] || auth_settings[:tenant_id]
    client_id = teams_settings[:client_id] || auth_settings[:client_id]

    halt 422, json_error('missing_config', 'microsoft_teams.tenant_id and client_id required', status_code: 422) unless tenant_id && client_id

    body = parse_request_body
    delegated = auth_settings[:delegated] || {}
    scopes = body[:scopes] || delegated[:scopes] ||
             'OnlineMeetings.Read OnlineMeetingTranscript.Read.All offline_access'

    state = SecureRandom.hex(32)
    verifier = SecureRandom.urlsafe_base64(32)
    challenge = Base64.urlsafe_encode64(
      Digest::SHA256.digest(verifier), padding: false
    )

    port = Legion::Settings.dig(:api, :port) || 4567
    redirect_uri = "http://127.0.0.1:#{port}/api/auth/teams/callback"

    authorize_url = "https://login.microsoftonline.com/#{tenant_id}/oauth2/v2.0/authorize?" \
                    "client_id=#{client_id}&response_type=code&redirect_uri=#{::URI.encode_www_form_component(redirect_uri)}" \
                    "&scope=#{::URI.encode_www_form_component(scopes)}" \
                    "&state=#{state}&code_challenge=#{challenge}&code_challenge_method=S256"

    AuthTeams.mutex.synchronize do
      AuthTeams.pending[state] = { verifier: verifier, created_at: Time.now, result: nil,
                                   tenant_id: tenant_id, client_id: client_id,
                                   redirect_uri: redirect_uri, scopes: scopes }
    end

    json_response({ authorize_url: authorize_url, state: state })
  end
end

.register_callback(app) ⇒ Object 



80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
 
# File 'lib/legion/api/auth_teams.rb', line 80

def self.register_callback(app)
  app.get '/api/auth/teams/callback' do
    code = params[:code]
    state = params[:state]
    error = params[:error]

    entry = AuthTeams.mutex.synchronize { AuthTeams.pending[state] }

    if error || !entry
      msg = error || 'unknown state'
      AuthTeams.mutex.synchronize { entry[:result] = { authenticated: false, error: msg } } if entry
      content_type :html
      return '<html><body><h2>Authentication failed.</h2><p>You can close this tab.</p></body></html>'
    end

    # Exchange code for token
    require 'net/http'
    token_uri = ::URI.parse("https://login.microsoftonline.com/#{entry[:tenant_id]}/oauth2/v2.0/token")
    token_response = ::Net::HTTP.post_form(token_uri, {
                                             'client_id'     => entry[:client_id],
                                             'grant_type'    => 'authorization_code',
                                             'code'          => code,
                                             'redirect_uri'  => entry[:redirect_uri],
                                             'code_verifier' => entry[:verifier],
                                             'scope'         => entry[:scopes]
                                           })

    token_body = Legion::JSON.load(token_response.body)

    if token_body[:access_token]
      # Store token via TokenCache if available
      store_teams_token(token_body, entry[:scopes])
      AuthTeams.mutex.synchronize { entry[:result] = { authenticated: true } }
      content_type :html
      '<html><body><h2>Authentication successful!</h2><p>You can close this tab.</p></body></html>'
    else
      err = token_body[:error_description] || token_body[:error] || 'token exchange failed'
      Legion::Logging.error "Teams OAuth token exchange failed: #{err}" if defined?(Legion::Logging)
      AuthTeams.mutex.synchronize { entry[:result] = { authenticated: false, error: err } }
      content_type :html
      "<html><body><h2>Authentication failed.</h2><p>#{err}</p></body></html>"
    end
  rescue StandardError => e
    Legion::Logging.error "Teams OAuth callback error: #{e.message}" if defined?(Legion::Logging)
    AuthTeams.mutex.synchronize { entry[:result] = { authenticated: false, error: e.message } } if entry
    content_type :html
    '<html><body><h2>Authentication error.</h2><p>Check daemon logs.</p></body></html>'
  end
end

.register_status(app) ⇒ Object 



63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/legion/api/auth_teams.rb', line 63

def self.register_status(app)
  app.get '/api/auth/teams/status' do
    state = params[:state]
    halt 422, json_error('missing_state', 'state parameter required', status_code: 422) unless state

    entry = AuthTeams.mutex.synchronize { AuthTeams.pending[state] }
    halt 404, json_error('unknown_state', 'no pending auth for this state', status_code: 404) unless entry

    if entry[:result]
      AuthTeams.mutex.synchronize { AuthTeams.pending.delete(state) }
      json_response(entry[:result])
    else
      json_response({ authenticated: false, waiting: true })
    end
  end
end

.register_store_helper(app) ⇒ Object 



147
148
149
 
# File 'lib/legion/api/auth_teams.rb', line 147

def self.register_store_helper(app)
  app.helpers TeamsTokenHelper
end

.registered(app) ⇒ Object 



17
18
19
20
21
22
 
# File 'lib/legion/api/auth_teams.rb', line 17

def self.registered(app)
  register_store_helper(app)
  register_authorize(app)
  register_status(app)
  register_callback(app)
end