about summary refs log tree commit diff
path: root/config/initializers/paperclip.rb
blob: 9282c941da4762be7620a3aadf778cd66a044546 (plain) (blame)
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
# frozen_string_literal: true

Paperclip::DataUriAdapter.register
Paperclip::ResponseWithLimitAdapter.register

Paperclip.interpolates :filename do |attachment, style|
  if style == :original
    attachment.original_filename
  else
    [basename(attachment, style), extension(attachment, style)].delete_if(&:blank?).join('.')
  end
end

Paperclip.interpolates :prefix_path do |attachment, style|
  if attachment.storage_schema_version >= 1 && attachment.instance.respond_to?(:local?) && !attachment.instance.local?
    'cache' + File::SEPARATOR
  else
    ''
  end
end

Paperclip.interpolates :prefix_url do |attachment, style|
  if attachment.storage_schema_version >= 1 && attachment.instance.respond_to?(:local?) && !attachment.instance.local?
    'cache/'
  else
    ''
  end
end

Paperclip::Attachment.default_options.merge!(
  use_timestamp: false,
  path: ':prefix_url:class/:attachment/:id_partition/:style/:filename',
  storage: :fog
)

if ENV['S3_ENABLED'] == 'true'
  require 'aws-sdk-s3'

  s3_region   = ENV.fetch('S3_REGION')   { 'us-east-1' }
  s3_protocol = ENV.fetch('S3_PROTOCOL') { 'https' }
  s3_hostname = ENV.fetch('S3_HOSTNAME') { "s3-#{s3_region}.amazonaws.com" }

  Paperclip::Attachment.default_options.merge!(
    storage: :s3,
    s3_protocol: s3_protocol,
    s3_host_name: s3_hostname,

    s3_headers: {
      'X-Amz-Multipart-Threshold' => ENV.fetch('S3_MULTIPART_THRESHOLD') { 15.megabytes }.to_i,
      'Cache-Control' => 'public, max-age=315576000, immutable',
    },

    s3_permissions: ENV.fetch('S3_PERMISSION') { 'public-read' },
    s3_region: s3_region,

    s3_credentials: {
      bucket: ENV['S3_BUCKET'],
      access_key_id: ENV['AWS_ACCESS_KEY_ID'],
      secret_access_key: ENV['AWS_SECRET_ACCESS_KEY'],
    },

    s3_options: {
      signature_version: ENV.fetch('S3_SIGNATURE_VERSION') { 'v4' },
      http_open_timeout: ENV.fetch('S3_OPEN_TIMEOUT'){ '5' }.to_i,
      http_read_timeout: ENV.fetch('S3_READ_TIMEOUT'){ '5' }.to_i,
      http_idle_timeout: 5,
      retry_limit: 0,
    }
  )
  
  if ENV['S3_PERMISSION'] == ''
    Paperclip::Attachment.default_options.merge!(
      s3_permissions: ->(*) { nil }
    )
  end

  if ENV.has_key?('S3_ENDPOINT')
    Paperclip::Attachment.default_options[:s3_options].merge!(
      endpoint: ENV['S3_ENDPOINT'],
      force_path_style: ENV['S3_OVERRIDE_PATH_STYLE'] != 'true',
    )

    Paperclip::Attachment.default_options[:url] = ':s3_path_url'
  end

  if ENV.has_key?('S3_ALIAS_HOST') || ENV.has_key?('S3_CLOUDFRONT_HOST')
    Paperclip::Attachment.default_options.merge!(
      url: ':s3_alias_url',
      s3_host_alias: ENV['S3_ALIAS_HOST'] || ENV['S3_CLOUDFRONT_HOST']
    )
  end

  if ENV.has_key?('S3_STORAGE_CLASS')
    Paperclip::Attachment.default_options[:s3_headers].merge!(
      'X-Amz-Storage-Class' => ENV['S3_STORAGE_CLASS']
    )
  end

  # Some S3-compatible providers might not actually be compatible with some APIs
  # used by kt-paperclip, see https://github.com/mastodon/mastodon/issues/16822
  if ENV['S3_FORCE_SINGLE_REQUEST'] == 'true'
    module Paperclip
      module Storage
        module S3Extensions
          def copy_to_local_file(style, local_dest_path)
            log("copying #{path(style)} to local file #{local_dest_path}")
            s3_object(style).download_file(local_dest_path, { mode: 'single_request' })
          rescue Aws::Errors::ServiceError => e
            warn("#{e} - cannot copy #{path(style)} to local file #{local_dest_path}")
            false
          end
        end
      end
    end

    Paperclip::Storage::S3.prepend(Paperclip::Storage::S3Extensions)
  end
elsif ENV['SWIFT_ENABLED'] == 'true'
  require 'fog/openstack'

  Paperclip::Attachment.default_options.merge!(
    fog_credentials: {
      provider: 'OpenStack',
      openstack_username: ENV['SWIFT_USERNAME'],
      openstack_project_id: ENV['SWIFT_PROJECT_ID'],
      openstack_project_name: ENV['SWIFT_TENANT'],
      openstack_tenant: ENV['SWIFT_TENANT'], # Some OpenStack-v2 ignores project_name but needs tenant
      openstack_api_key: ENV['SWIFT_PASSWORD'],
      openstack_auth_url: ENV['SWIFT_AUTH_URL'],
      openstack_domain_name: ENV.fetch('SWIFT_DOMAIN_NAME') { 'default' },
      openstack_region: ENV['SWIFT_REGION'],
      openstack_cache_ttl: ENV.fetch('SWIFT_CACHE_TTL') { 60 },
    },
    
    fog_file: { 'Cache-Control' => 'public, max-age=315576000, immutable' },

    fog_directory: ENV['SWIFT_CONTAINER'],
    fog_host: ENV['SWIFT_OBJECT_URL'],
    fog_public: true
  )
else
  Paperclip::Attachment.default_options.merge!(
    storage: :filesystem,
    path: File.join(ENV.fetch('PAPERCLIP_ROOT_PATH', File.join(':rails_root', 'public', 'system')), ':prefix_path:class', ':attachment', ':id_partition', ':style', ':filename'),
    url: ENV.fetch('PAPERCLIP_ROOT_URL', '/system') + '/:prefix_url:class/:attachment/:id_partition/:style/:filename',
  )
end

Rails.application.reloader.to_prepare do
  Paperclip.options[:content_type_mappings] = { csv: Import::FILE_TYPES }
end

# In some places in the code, we rescue this exception, but we don't always
# load the S3 library, so it may be an undefined constant:

unless defined?(Seahorse)
  module Seahorse
    module Client
      class NetworkingError < StandardError; end
    end
  end
end