Class: Backup::GoogleDriveAuth

Inherits:
Object
  • Object
show all
Includes:
Config::Helpers
Defined in:
lib/backup/storage/google/google_drive_auth.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Config::Helpers

included

Constructor Details

#initialize(options = {}) ⇒ GoogleDriveAuth

Returns a new instance of GoogleDriveAuth.



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 7

def initialize(options = {})
  defaults = {
    client_id: "",
    client_secret: "", 
    api_version: "v2",
    cache_path: ".cache",
    scope: "https://www.googleapis.com/auth/drive",
    authorization_uri: "https://accounts.google.com/o/oauth2/auth",
    token_credential_uri: "https://accounts.google.com/o/oauth2/token",
    redirect_uri: "urn:ietf:wg:oauth:2.0:oob"
  }

  @options = defaults.merge(options)

  connect
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Backup::Config::Helpers

Instance Attribute Details

#client ⇒ Object

Returns the value of attribute client.



5
6
7
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 5

def client
  @client
end

#drive ⇒ Object

Returns the value of attribute drive.



5
6
7
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 5

def drive
  @drive
end

Instance Method Details

#auth ⇒ Object 



35
36
37
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 35

def auth
  file_storage.authorization
end

#authorize_and_cache ⇒ Object 



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
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 39

def authorize_and_cache
  require "timeout"

  Logger.info "Creating a new authorization!"

  client = Google::APIClient.new(
    application_name: "Ruby backup to google drive",
    application_version: "0.1.0"
  )

  authorization = Signet::OAuth2::Client.new(@options)

  template = Backup::Template.new(
    auth: authorization,
    credential_store_file: credential_store_file
  )
  template.render("storage/google_drive/authorization_url.erb")

  Timeout::timeout(180) {
    authorization.code = STDIN.gets
  }

  authorization.fetch_access_token!

  template.render("storage/google_drive/authorized.erb")
  write_cache!(authorization)
  template.render("storage/google_drive/cache_file_written.erb")

  client.authorization = authorization

  client

rescue => err
  raise Error.wrap(err, "Could not authorize")
end

#authorized_client ⇒ Object 



75
76
77
78
79
80
81
82
83
84
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 75

def authorized_client
  client = Google::APIClient.new(
    application_name: "Ruby backup to google drive",
    application_version: "0.1.0"
  )

  client.authorization = auth

  client
end

#connect ⇒ Object 



24
25
26
27
28
29
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 24

def connect
  @client = (auth.nil? ? authorize_and_cache : authorized_client)
  @drive = @client.discovered_api("drive", @options[:api_version])
rescue => err
  raise Error.wrap(err, "Authorization Failed")
end

#credential_store_file ⇒ Object 



86
87
88
89
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 86

def credential_store_file
  path = @options[:cache_path].start_with?("/") ? @options[:cache_path] : File.join(Config.root_path, @options[:cache_path])
  File.join(path, @options[:client_id] + @options[:client_secret])
end

#file_storage ⇒ Object 



31
32
33
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 31

def file_storage
  Google::APIClient::FileStorage.new(credential_store_file)
end

#write_cache!(authorization) ⇒ Object 



91
92
93
94
 
# File 'lib/backup/storage/google/google_drive_auth.rb', line 91

def write_cache!(authorization)
  FileUtils.mkdir_p File.dirname(credential_store_file)
  file_storage.write_credentials(authorization)
end