From 0f95a513bf8c092d7166a521586333eb2fe8788d Mon Sep 17 00:00:00 2001
From: Lauri Ojansivu <x@xet7.org>
Date: Tue, 17 Mar 2020 14:02:43 +0200
Subject: Meteor 1.8 only in use at Sandstorm.

---
 .sandstorm-meteor-1.8/oidc_server.js | 149 +++++++++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 .sandstorm-meteor-1.8/oidc_server.js

(limited to '.sandstorm-meteor-1.8/oidc_server.js')

diff --git a/.sandstorm-meteor-1.8/oidc_server.js b/.sandstorm-meteor-1.8/oidc_server.js
new file mode 100644
index 00000000..326238da
--- /dev/null
+++ b/.sandstorm-meteor-1.8/oidc_server.js
@@ -0,0 +1,149 @@
+Oidc = {};
+
+OAuth.registerService('oidc', 2, null, function (query) {
+
+  var debug = process.env.DEBUG || false;
+  var token = getToken(query);
+  if (debug) console.log('XXX: register token:', token);
+
+  var accessToken = token.access_token || token.id_token;
+  var expiresAt = (+new Date) + (1000 * parseInt(token.expires_in, 10));
+
+  var userinfo = getUserInfo(accessToken);
+  if (debug) console.log('XXX: userinfo:', userinfo);
+
+  var serviceData = {};
+  serviceData.id = userinfo[process.env.OAUTH2_ID_MAP]; // || userinfo["id"];
+  serviceData.username = userinfo[process.env.OAUTH2_USERNAME_MAP]; // || userinfo["uid"];
+  serviceData.fullname = userinfo[process.env.OAUTH2_FULLNAME_MAP]; // || userinfo["displayName"];
+  serviceData.accessToken = accessToken;
+  serviceData.expiresAt = expiresAt;
+  serviceData.email = userinfo[process.env.OAUTH2_EMAIL_MAP]; // || userinfo["email"];
+
+  if (accessToken) {
+    var tokenContent = getTokenContent(accessToken);
+    var fields = _.pick(tokenContent, getConfiguration().idTokenWhitelistFields);
+    _.extend(serviceData, fields);
+  }
+
+  if (token.refresh_token)
+    serviceData.refreshToken = token.refresh_token;
+  if (debug) console.log('XXX: serviceData:', serviceData);
+
+  var profile = {};
+  profile.name = userinfo[process.env.OAUTH2_FULLNAME_MAP]; // || userinfo["displayName"];
+  profile.email = userinfo[process.env.OAUTH2_EMAIL_MAP]; // || userinfo["email"];
+  if (debug) console.log('XXX: profile:', profile);
+
+  return {
+    serviceData: serviceData,
+    options: { profile: profile }
+  };
+});
+
+var userAgent = "Meteor";
+if (Meteor.release) {
+  userAgent += "/" + Meteor.release;
+}
+
+var getToken = function (query) {
+  var debug = process.env.DEBUG || false;
+  var config = getConfiguration();
+  if(config.tokenEndpoint.includes('https://')){
+    var serverTokenEndpoint = config.tokenEndpoint;
+  }else{
+    var serverTokenEndpoint = config.serverUrl + config.tokenEndpoint;
+  }
+  var requestPermissions = config.requestPermissions;
+  var response;
+
+  try {
+    response = HTTP.post(
+      serverTokenEndpoint,
+      {
+        headers: {
+          Accept: 'application/json',
+          "User-Agent": userAgent
+        },
+        params: {
+          code: query.code,
+          client_id: config.clientId,
+          client_secret: OAuth.openSecret(config.secret),
+          redirect_uri: OAuth._redirectUri('oidc', config),
+          grant_type: 'authorization_code',
+          scope: requestPermissions,
+          state: query.state
+        }
+      }
+    );
+  } catch (err) {
+    throw _.extend(new Error("Failed to get token from OIDC " + serverTokenEndpoint + ": " + err.message),
+      { response: err.response });
+  }
+  if (response.data.error) {
+    // if the http response was a json object with an error attribute
+    throw new Error("Failed to complete handshake with OIDC " + serverTokenEndpoint + ": " + response.data.error);
+  } else {
+    if (debug) console.log('XXX: getToken response: ', response.data);
+    return response.data;
+  }
+};
+
+var getUserInfo = function (accessToken) {
+  var debug = process.env.DEBUG || false;
+  var config = getConfiguration();
+  // Some userinfo endpoints use a different base URL than the authorization or token endpoints.
+  // This logic allows the end user to override the setting by providing the full URL to userinfo in their config.
+  if (config.userinfoEndpoint.includes("https://")) {
+    var serverUserinfoEndpoint = config.userinfoEndpoint;
+  } else {
+    var serverUserinfoEndpoint = config.serverUrl + config.userinfoEndpoint;
+  }
+  var response;
+  try {
+    response = HTTP.get(
+      serverUserinfoEndpoint,
+      {
+        headers: {
+          "User-Agent": userAgent,
+          "Authorization": "Bearer " + accessToken
+        }
+      }
+    );
+  } catch (err) {
+    throw _.extend(new Error("Failed to fetch userinfo from OIDC " + serverUserinfoEndpoint + ": " + err.message),
+                   {response: err.response});
+  }
+  if (debug) console.log('XXX: getUserInfo response: ', response.data);
+  return response.data;
+};
+
+var getConfiguration = function () {
+  var config = ServiceConfiguration.configurations.findOne({ service: 'oidc' });
+  if (!config) {
+    throw new ServiceConfiguration.ConfigError('Service oidc not configured.');
+  }
+  return config;
+};
+
+var getTokenContent = function (token) {
+  var content = null;
+  if (token) {
+    try {
+      var parts = token.split('.');
+      var header = JSON.parse(new Buffer(parts[0], 'base64').toString());
+      content = JSON.parse(new Buffer(parts[1], 'base64').toString());
+      var signature = new Buffer(parts[2], 'base64');
+      var signed = parts[0] + '.' + parts[1];
+    } catch (err) {
+      this.content = {
+        exp: 0
+      };
+    }
+  }
+  return content;
+}
+
+Oidc.retrieveCredential = function (credentialToken, credentialSecret) {
+  return OAuth.retrieveCredential(credentialToken, credentialSecret);
+};
-- 
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