summaryrefslogtreecommitdiff
path: root/config/settings.rb
blob: b242e970cc661dc0c645119bd9cd414cd9aebe7a (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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
# frozen_string_literal: true

require 'settingslogic'

class Settings < Settingslogic
  source ENV.fetch('GITLAB_CONFIG') { Pathname.new(File.expand_path('..', __dir__)).join('config/gitlab.yml') }
  namespace ENV.fetch('GITLAB_ENV') { Rails.env }

  class << self
    def gitlab_on_standard_port?
      on_standard_port?(gitlab)
    end

    def host_without_www(url)
      host(url).sub('www.', '')
    end

    def build_gitlab_ci_url
      custom_port =
        if on_standard_port?(gitlab)
          nil
        else
          ":#{gitlab.port}"
        end

      [
        gitlab.protocol,
        "://",
        gitlab.host,
        custom_port,
        gitlab.relative_url_root
      ].join('')
    end

    def build_pages_url
      base_url(pages).join('')
    end

    def build_gitlab_shell_ssh_path_prefix
      user = "#{gitlab_shell.ssh_user}@" unless gitlab_shell.ssh_user.empty?
      user_host = "#{user}#{gitlab_shell.ssh_host}"

      if gitlab_shell.ssh_port != 22
        "ssh://#{user_host}:#{gitlab_shell.ssh_port}/"
      else
        if gitlab_shell.ssh_host.include? ':'
          "[#{user_host}]:"
        else
          "#{user_host}:"
        end
      end
    end

    def build_base_gitlab_url
      base_url(gitlab).join('')
    end

    def build_gitlab_url
      (base_url(gitlab) + [gitlab.relative_url_root]).join('')
    end

    def build_gitlab_go_url
      # "Go package paths are not URLs, and do not include port numbers"
      # https://github.com/golang/go/issues/38213#issuecomment-607851460
      "#{gitlab.host}#{gitlab.relative_url_root}"
    end

    def kerberos_protocol
      kerberos.https ? "https" : "http"
    end

    def kerberos_port
      kerberos.use_dedicated_port ? kerberos.port : gitlab.port
    end

    # Curl expects username/password for authentication. However when using GSS-Negotiate not credentials should be needed.
    # By inserting in the Kerberos dedicated URL ":@", we give to curl an empty username and password and GSS auth goes ahead
    # Known bug reported in http://sourceforge.net/p/curl/bugs/440/ and http://curl.haxx.se/docs/knownbugs.html
    def build_gitlab_kerberos_url
      [
        kerberos_protocol,
        "://:@",
        gitlab.host,
        ":#{kerberos_port}",
        gitlab.relative_url_root
      ].join('')
    end

    def alternative_gitlab_kerberos_url?
      kerberos.enabled && (build_gitlab_kerberos_url != build_gitlab_url)
    end

    # check that values in `current` (string or integer) is a contant in `modul`.
    def verify_constant_array(modul, current, default)
      values = default || []
      unless current.nil?
        values = []
        current.each do |constant|
          values.push(verify_constant(modul, constant, nil))
        end
        values.delete_if { |value| value.nil? }
      end

      values
    end

    # check that `current` (string or integer) is a contant in `modul`.
    def verify_constant(modul, current, default)
      constant = modul.constants.find { |name| modul.const_get(name, false) == current }
      value = constant.nil? ? default : modul.const_get(constant, false)
      if current.is_a? String
        value = begin
          modul.const_get(current.upcase, false)
        rescue StandardError
          default
        end
      end

      value
    end

    def absolute(path)
      File.expand_path(path, Rails.root)
    end

    # Don't use this in new code, use attr_encrypted_db_key_base_32 instead!
    def attr_encrypted_db_key_base_truncated
      Gitlab::Application.secrets.db_key_base[0..31]
    end

    # Ruby 2.4+ requires passing in the exact required length for OpenSSL keys
    # (https://github.com/ruby/ruby/commit/ce635262f53b760284d56bb1027baebaaec175d1).
    # Previous versions quietly truncated the input.
    #
    # Makes sure the key is exactly 32 bytes long, either by
    # truncating or right-padding it with ASCII 0s. Use this when
    # using :per_attribute_iv mode for attr_encrypted.
    def attr_encrypted_db_key_base_32
      Gitlab::Utils.ensure_utf8_size(attr_encrypted_db_key_base, bytes: 32.bytes)
    end

    def attr_encrypted_db_key_base_12
      Gitlab::Utils.ensure_utf8_size(attr_encrypted_db_key_base, bytes: 12.bytes)
    end

    # This should be used for :per_attribute_salt_and_iv mode. There is no
    # need to truncate the key because the encryptor will use the salt to
    # generate a hash of the password:
    # https://github.com/attr-encrypted/encryptor/blob/c3a62c4a9e74686dd95e0548f9dc2a361fdc95d1/lib/encryptor.rb#L77
    def attr_encrypted_db_key_base
      Gitlab::Application.secrets.db_key_base
    end

    def encrypted(path)
      Gitlab::EncryptedConfiguration.new(
        content_path: path,
        base_key: Gitlab::Application.secrets.encrypted_settings_key_base,
        previous_keys: Gitlab::Application.secrets.rotated_encrypted_settings_key_base || []
      )
    end

    def load_dynamic_cron_schedules!
      cron_jobs['gitlab_service_ping_worker']['cron'] ||= cron_for_service_ping
    end

    private

    def base_url(config)
      custom_port = on_standard_port?(config) ? nil : ":#{config.port}"

      [
        config.protocol,
        "://",
        config.host,
        custom_port
      ]
    end

    def on_standard_port?(config)
      config.port.to_i == (config.https ? 443 : 80)
    end

    # Extract the host part of the given +url+.
    def host(url)
      url = url.downcase
      url = "http://#{url}" unless url.start_with?('http')

      # Get rid of the path so that we don't even have to encode it
      url_without_path = url.sub(%r{(https?://[^/]+)/?.*}, '\1')

      URI.parse(url_without_path).host
    end

    # Runs at a consistent random time of day on a day of the week based on
    # the instance UUID. This is to balance the load on the service receiving
    # these pings. The sidekiq job handles temporary http failures.
    def cron_for_service_ping
      # Set a default UUID for the case when the UUID hasn't been initialized.
      uuid = Gitlab::CurrentSettings.uuid || 'uuid-not-set'

      minute = Digest::SHA256.hexdigest(uuid + 'minute').to_i(16) % 60
      hour = Digest::SHA256.hexdigest(uuid + 'hour').to_i(16) % 24
      day_of_week = Digest::SHA256.hexdigest(uuid).to_i(16) % 7

      "#{minute} #{hour} * * #{day_of_week}"
    end

    # Route all jobs to 'default' queue. This setting is meant for self-managed instances use to keep things simple.
    # See https://gitlab.com/gitlab-com/gl-infra/scalability/-/issues/1491
    def build_sidekiq_routing_rules(rules)
      rules.nil? || rules&.empty? ? [['*', 'default']] : rules
    end
  end
end