summaryrefslogtreecommitdiff
path: root/lib/api/internal.rb
blob: ccf181402f98f0a77b2064a625e50ca476f79134 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
module API
  # Internal access API
  class Internal < Grape::API
    before { authenticate_by_gitlab_shell_token! }

    namespace 'internal' do
      # Check if git command is allowed to project
      #
      # Params:
      #   key_id - ssh key id for Git over SSH
      #   user_id - user id for Git over HTTP
      #   project - project path with namespace
      #   action - git action (git-upload-pack or git-receive-pack)
      #   ref - branch name
      #   forced_push - forced_push
      #   protocol - Git access protocol being used, e.g. HTTP or SSH
      #

      helpers do
        def project_path
          @project_path ||= begin
            project_path = params[:project].sub(/\.git\z/, '')
            Repository.remove_storage_from_path(project_path)
          end
        end

        def wiki?
          @wiki ||= project_path.end_with?('.wiki') &&
            !Project.find_with_namespace(project_path)
        end

        def project
          @project ||= begin
            # Check for *.wiki repositories.
            # Strip out the .wiki from the pathname before finding the
            # project. This applies the correct project permissions to
            # the wiki repository as well.
            project_path.chomp!('.wiki') if wiki?

            Project.find_with_namespace(project_path)
          end
        end

        def ssh_authentication_abilities
          [
            :read_project,
            :download_code,
            :push_code
          ]
        end
      end

      post "/allowed" do
        status 200

        actor =
          if params[:key_id]
            Key.find_by(id: params[:key_id])
          elsif params[:user_id]
            User.find_by(id: params[:user_id])
          end

        protocol = params[:protocol]

        access =
          if wiki?
            Gitlab::GitAccessWiki.new(actor, project, protocol, authentication_abilities: ssh_authentication_abilities)
          else
            Gitlab::GitAccess.new(actor, project, protocol, authentication_abilities: ssh_authentication_abilities)
          end

        access_status = access.check(params[:action], params[:changes])

        response = { status: access_status.status, message: access_status.message }

        if access_status.status
          # Return the repository full path so that gitlab-shell has it when
          # handling ssh commands
          response[:repository_path] =
            if wiki?
              project.wiki.repository.path_to_repo
            else
              project.repository.path_to_repo
            end
        end

        response
      end

      post "/lfs_authenticate" do
        status 200

        key = Key.find(params[:key_id])
        token_handler = Gitlab::LfsToken.new(key)

        {
          username: token_handler.actor_name,
          lfs_token: token_handler.token,
          repository_http_path: project.http_url_to_repo
        }
      end

      get "/merge_request_urls" do
        ::MergeRequests::GetUrlsService.new(project).execute(params[:changes])
      end

      #
      # Discover user by ssh key
      #
      get "/discover" do
        key = Key.find(params[:key_id])
        present key.user, with: Entities::UserSafe
      end

      get "/check" do
        {
          api_version: API.version,
          gitlab_version: Gitlab::VERSION,
          gitlab_rev: Gitlab::REVISION,
        }
      end

      get "/broadcast_message" do
        if message = BroadcastMessage.current
          present message, with: Entities::BroadcastMessage
        else
          {}
        end
      end

      post '/two_factor_recovery_codes' do
        status 200

        key = Key.find_by(id: params[:key_id])

        unless key
          return { 'success' => false, 'message' => 'Could not find the given key' }
        end

        if key.is_a?(DeployKey)
          return { success: false, message: 'Deploy keys cannot be used to retrieve recovery codes' }
        end

        user = key.user

        unless user
          return { success: false, message: 'Could not find a user for the given key' }
        end

        unless user.two_factor_enabled?
          return { success: false, message: 'Two-factor authentication is not enabled for this user' }
        end

        codes = user.generate_otp_backup_codes!
        user.save!

        { success: true, recovery_codes: codes }
      end
    end
  end
end