GET /v2/me
Show the current resource owner

curl  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" "https://api.intra.42.fr/v2/me"

{
  "id": 2,
  "email": "[email protected]",
  "login": "andre",
  "first_name": "André",
  "last_name": "Aubin",
  "usual_full_name": "Juliette Aubin",
  "usual_first_name": "Juliette",
  "url": "https://api.intra.42.fr/v2/users/andre",
  "phone": null,
  "displayname": "André Aubin",
  "kind": "admin",
  "image": {
    "link": "https://cdn.intra.42.fr/users/1234567890/andre.jpg",
    "versions": {
      "large": "https://cdn.intra.42.fr/users/1234567890/large_andre.jpg",
      "medium": "https://cdn.intra.42.fr/users/1234567890/medium_andre.jpg",
      "small": "https://cdn.intra.42.fr/users/1234567890/small_andre.jpg",
      "micro": "https://cdn.intra.42.fr/users/1234567890/micro_andre.jpgg"
    }
  },
  "staff?": false,
  "correction_point": 4,
  "pool_month": "july",
  "pool_year": "2016",
  "location": null,
  "wallet": 0,
  "anonymize_date": "2021-02-20T00:00:00.000+03:00",
  "data_erasure_date": null,
  "alumni?": false,
  "active?": true,
  "groups": [],
  "cursus_users": [
    {
      "id": 2,
      "begin_at": "2017-05-14T21:37:50.172Z",
      "end_at": null,
      "grade": null,
      "level": 0.0,
      "skills": [],
      "cursus_id": 1,
      "has_coalition": true,
      "user": {
        "id": 2,
        "login": "andre",
        "url": "https://api.intra.42.fr/v2/users/andre"
      },
      "cursus": {
        "id": 1,
        "created_at": "2017-11-22T13:41:00.750Z",
        "name": "Piscine C",
        "slug": "piscine-c"
      }
    }
  ],
  "projects_users": [],
  "languages_users": [
    {
      "id": 2,
      "language_id": 3,
      "user_id": 2,
      "position": 1,
      "created_at": "2017-11-22T13:41:03.638Z"
    }
  ],
  "achievements": [],
  "titles": [],
  "titles_users": [],
  "partnerships": [],
  "patroned": [
    {
      "id": 4,
      "user_id": 2,
      "godfather_id": 15,
      "ongoing": true,
      "created_at": "2017-11-22T13:42:11.565Z",
      "updated_at": "2017-11-22T13:42:11.572Z"
    }
  ],
  "patroning": [],
  "expertises_users": [
    {
      "id": 2,
      "expertise_id": 3,
      "interested": false,
      "value": 2,
      "contact_me": false,
      "created_at": "2017-11-22T13:41:22.504Z",
      "user_id": 2
    }
  ],
  "roles": [],
  "campus": [
    {
      "id": 1,
      "name": "Cluj",
      "time_zone": "Europe/Bucharest",
      "language": {
        "id": 3,
        "name": "Romanian",
        "identifier": "ro",
        "created_at": "2017-11-22T13:40:59.468Z",
        "updated_at": "2017-11-22T13:41:26.139Z"
      },
      "users_count": 28,
      "vogsphere_id": 1
    }
  ],
  "campus_users": [
    {
      "id": 2,
      "user_id": 2,
      "campus_id": 1,
      "is_primary": true
    }
  ]
}

require "oauth2"
UID = "Your application uid"
SECRET = "Your application secret"
client = OAuth2::Client.new(UID, SECRET, site: "https://api.intra.42.fr")
token = client.client_credentials.get_token

response = token.get("/v2/me")
response.status
# => 200
response.parsed
# => {"id"=>2, "email"=>"[email protected]", "login"=>"andre", "first_name"=>"André", "last_name"=>"Aubin", "usual_full_name"=>"Juliette Aubin", "usual_first_name"=>"Juliette", "url"=>"https://api.intra.42.fr/v2/users/andre", "phone"=>nil, "displayname"=>"André Aubin", "kind"=>"admin", "image"=>{"link"=>"https://cdn.intra.42.fr/users/1234567890/andre.jpg", "versions"=>{"large"=>"https://cdn.intra.42.fr/users/1234567890/large_andre.jpg", "medium"=>"https://cdn.intra.42.fr/users/1234567890/medium_andre.jpg", "small"=>"https://cdn.intra.42.fr/users/1234567890/small_andre.jpg", "micro"=>"https://cdn.intra.42.fr/users/1234567890/micro_andre.jpgg"}}, "staff?"=>false, "correction_point"=>4, "pool_month"=>"july", "pool_year"=>"2016", "location"=>nil, "wallet"=>0, "anonymize_date"=>"2021-02-20T00:00:00.000+03:00", "data_erasure_date"=>nil, "alumni?"=>false, "active?"=>true, "groups"=>[], "cursus_users"=>[{"id"=>2, "begin_at"=>"2017-05-14T21:37:50.172Z", "end_at"=>nil, "grade"=>nil, "level"=>0.0, "skills"=>[], "cursus_id"=>1, "has_coalition"=>true, "user"=>{"id"=>2, "login"=>"andre", "url"=>"https://api.intra.42.fr/v2/users/andre"}, "cursus"=>{"id"=>1, "created_at"=>"2017-11-22T13:41:00.750Z", "name"=>"Piscine C", "slug"=>"piscine-c"}}], "projects_users"=>[], "languages_users"=>[{"id"=>2, "language_id"=>3, "user_id"=>2, "position"=>1, "created_at"=>"2017-11-22T13:41:03.638Z"}], "achievements"=>[], "titles"=>[], "titles_users"=>[], "partnerships"=>[], "patroned"=>[{"id"=>4, "user_id"=>2, "godfather_id"=>15, "ongoing"=>true, "created_at"=>"2017-11-22T13:42:11.565Z", "updated_at"=>"2017-11-22T13:42:11.572Z"}], "patroning"=>[], "expertises_users"=>[{"id"=>2, "expertise_id"=>3, "interested"=>false, "value"=>2, "contact_me"=>false, "created_at"=>"2017-11-22T13:41:22.504Z", "user_id"=>2}], "roles"=>[], "campus"=>[{"id"=>1, "name"=>"Cluj", "time_zone"=>"Europe/Bucharest", "language"=>{"id"=>3, "name"=>"Romanian", "identifier"=>"ro", "created_at"=>"2017-11-22T13:40:59.468Z", "updated_at"=>"2017-11-22T13:41:26.139Z"}, "users_count"=>28, "vogsphere_id"=>1}], "campus_users"=>[{"id"=>2, "user_id"=>2, "campus_id"=>1, "is_primary"=>true}]}