Migrate the OAuthInfo table to the ExternalAccount table

Summary: Ref T1536. Migrates the OAuthInfo table to ExternalAccount, and makes `PhabricatorUserOAuthInfo` a wrapper for an ExternalAccount.

Test Plan: Logged in with OAuth, registered with OAuth, linked/unlinked OAuth accounts, checked OAuth status screen, deleted an account with related OAuth.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T1536

Differential Revision: https://secure.phabricator.com/D6172

resources/sql/patches/20130611.migrateoauth.php

@@ -0,0 +1,66 @@
+<?php
+
+// NOTE: We aren't using PhabricatorUserOAuthInfo anywhere here because it is
+// getting nuked in a future diff.
+
+$table = new PhabricatorUser();
+$table_name = 'user_oauthinfo';
+$conn_w = $table->establishConnection('w');
+
+$xaccount = new PhabricatorExternalAccount();
+
+echo "Migrating OAuth to ExternalAccount...\n";
+
+$domain_map = array(
+  'disqus'      => 'disqus.com',
+  'facebook'    => 'facebook.com',
+  'github'      => 'github.com',
+  'google'      => 'google.com',
+);
+
+try {
+  $phabricator_oauth_uri = new PhutilURI(
+    PhabricatorEnv::getEnvConfig('phabricator.oauth-uri'));
+  $domain_map['phabricator'] = $phabricator_oauth_uri->getDomain();
+} catch (Exception $ex) {
+  // Ignore; this likely indicates that we have removed `phabricator.oauth-uri`
+  // in some future diff.
+}
+
+$rows = queryfx_all(
+  $conn_w,
+  'SELECT * FROM user_oauthinfo');
+foreach ($rows as $row) {
+  echo "Migrating row ID #".$row['id'].".\n";
+  $user = id(new PhabricatorUser())->loadOneWhere(
+    'id = %d',
+    $row['userID']);
+  if (!$user) {
+    echo "Bad user ID!\n";
+    continue;
+  }
+
+  $domain = idx($domain_map, $row['oauthProvider']);
+  if (empty($domain)) {
+    echo "Unknown OAuth provider!\n";
+    continue;
+  }
+
+
+  $xaccount = id(new PhabricatorExternalAccount())
+    ->setUserPHID($user->getPHID())
+    ->setAccountType($row['oauthProvider'])
+    ->setAccountDomain($domain)
+    ->setAccountID($row['oauthUID'])
+    ->setAccountURI($row['accountURI'])
+    ->setUsername($row['accountName'])
+    ->setDateCreated($row['dateCreated']);
+
+  try {
+    $xaccount->save();
+  } catch (Exception $ex) {
+    phlog($ex);
+  }
+}
+
+echo "Done.\n";