Class: PandaPal::Platform

Inherits:
Object
  • Object
show all
Defined in:
app/models/panda_pal/platform.rb

Direct Known Subclasses

Canvas, Generic

Defined Under Namespace

Classes: Canvas, Generic

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ Platform

Returns a new instance of Platform.



8
9
10
 
# File 'app/models/panda_pal/platform.rb', line 8

def initialize(params)
  @issuer = params[:iss]
end

Class Method Details

.deserialize(params) ⇒ Object 



30
31
32
 
# File 'app/models/panda_pal/platform.rb', line 30

def self.deserialize(params)
  params[:platform_class].safe_constantize.new(params)
end

.materialize_extension(org) ⇒ Object 



75
76
77
78
79
80
81
82
83
 
# File 'app/models/panda_pal/platform.rb', line 75

def self.materialize_extension(org)
  return nil unless defined?(self::OrgExtension)

  ext_mod = self::OrgExtension
  org = org.dup
  org.extend(ext_mod)

  org
end

.resolve_platform(params) ⇒ Object 



41
42
43
44
 
# File 'app/models/panda_pal/platform.rb', line 41

def self.resolve_platform(params)
  resolved = resolve_raw_platform(params)
  resolved.is_a?(Class) ? resolved.new({ iss: params[:iss] }) : resolved
end

.resolve_platform_class(params) ⇒ Object 



46
47
48
49
 
# File 'app/models/panda_pal/platform.rb', line 46

def self.resolve_platform_class(params)
  resolved = resolve_raw_platform(params)
  resolved.is_a?(Class) ? resolved : resolved.class
end

.resolve_raw_platform(params) ⇒ Object 



51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'app/models/panda_pal/platform.rb', line 51

def self.resolve_raw_platform(params)
  platform = PandaPal.lti_options[:platform] || "canvas.instructure.com"

  if platform.is_a? Symbol
    platform_const = Object.send(platform, params)
    return platform_const if platform_const

  elsif platform.is_a? Proc
    platform_const = platform.call(params)
    return platform_const if platform_const

  else
    return Platform::Canvas if platform == "canvas.instructure.com"

    platform_const = platform.safe_constantize
    return platform_const if platform_const.is_a? Class
  end

  # TODO Default logic?
  return Platform::Canvas if Platform::Canvas::KNOWN_ISSUERS.include?(params[:iss])

  raise "Unknown platform '#{platform}'"
end

Instance Method Details

#public_jwks ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'app/models/panda_pal/platform.rb', line 12

def public_jwks
  require "json/jwt"

  jwk_json = Rails.cache.fetch("panda_pal/jwks/#{jwks_url}")
  jwk_json ||= begin
    response = HTTParty.get(jwks_url)
    response.success? ? response.body : nil
  end

  return nil unless jwk_json.present?

  Rails.cache.write("panda_pal/jwks/#{jwks_url}", jwk_json, expires_in: 24.hours)

  JSON::JWK::Set.new(JSON.parse(jwk_json))
rescue
  nil
end

#serialize ⇒ Object 



34
35
36
37
38
39
 
# File 'app/models/panda_pal/platform.rb', line 34

def serialize
  {
    platform_class: self.class.to_s,
    iss: @issuer,
  }
end