| -- Copyright (c) 2016 IBM. All rights reserved. |
| -- |
| -- Permission is hereby granted, free of charge, to any person obtaining a |
| -- copy of this software and associated documentation files (the "Software"), |
| -- to deal in the Software without restriction, including without limitation |
| -- the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| -- and/or sell copies of the Software, and to permit persons to whom the |
| -- Software is furnished to do so, subject to the following conditions: |
| -- |
| -- The above copyright notice and this permission notice shall be included in |
| -- all copies or substantial portions of the Software. |
| -- |
| -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| -- FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| -- DEALINGS IN THE SOFTWARE. |
| --- |
| -- A Proxy for Github OAuth API |
| local cjson = require "cjson" |
| local http = require "resty.http" |
| local request = require "lib/request" |
| local cjson = require "cjson" |
| local utils = require "lib/utils" |
| local _M = {} |
| |
| function _M.process(dataStore, token) |
| local result = dataStore:getOAuthToken('github', token) |
| if result ~= ngx.null then |
| return cjson.decode(result) |
| end |
| |
| local request_options = { |
| headers = { |
| ["Accept"] = "application/json" |
| }, |
| ssl_verify = false |
| } |
| |
| local httpc = http.new() |
| |
| local envUrl = os.getenv('TOKEN_GITHUB_URL') |
| envUrl = envUrl ~= nil and envUrl or 'https://api.github.com/user' |
| local request_uri = utils.concatStrings({envUrl, '?access_token=', token}) |
| local res, err = httpc:request_uri(request_uri, request_options) |
| -- convert response |
| if not res then |
| ngx.log(ngx.WARN, utils.concatStrings({"Could not invoke Github API. Error=", err})) |
| request.err(500, 'OAuth provider error.') |
| return |
| end |
| |
| local json_resp = cjson.decode(res.body) |
| if json_resp.id == nil then |
| return nil |
| end |
| |
| if (json_resp.error_description) then |
| return nil |
| end |
| |
| dataStore:saveOAuthToken('github', token, cjson.encode(json_resp)) |
| -- convert Github's response |
| -- Read more about the fields at: https://developers.google.com/identity/protocols/OpenIDConnect#obtainuserinfo |
| return json_resp |
| end |
| |
| return _M |