Issue #3265726 by crawleyhost: Allow git.drupalcode.org username renaming

  return db_query('SELECT count(distinct(uid)) FROM {users_roles} WHERE rid IN (:rid, :rid2)', array(':rid' => DRUPALORG_GIT_GATEWAY_RID, ':rid2' => DRUPALORG_GIT_GATEWAY_VETTED_RID))->fetchField();

}

/**

 * Create a suggested username based on the provided name value, ensuring

 * no conflicts with existing git usernames.

 *

 * @param string $name

 */

function drupalorg_git_gateway_suggest_git_username($name) {

  $base_suggestion = preg_replace('/[^A-Za-z0-9\._-]/', '', $name);

  $len = strlen($base_suggestion);

  $result = db_query("SELECT git_username FROM {users} WHERE git_username LIKE (':name')", array(':name' => $name));

  $matches = array();

  foreach ($result as $record) {

    $matches[] = $record->git_username;

  }

  // Ensure no duplicates, and add an incrementing counter if one is found.

  $i = 0;

  while (array_search($base_suggestion, $matches) !== FALSE) {

    $base_suggestion = substr($base_suggestion, 0, $len) . ++$i;

  }

  return $base_suggestion;

}

/**

 * Implements hook_versioncontrol_project_auth_data_alter().

 *

 * Form callback, agreement for Git access.

 */

function drupalorg_git_gateway_user_form($form, &$form_state) {

  $form = array();

  $account = $form_state['account'];

  $form['#submit'][] = 'drupalorg_git_gateway_user_form_submit';

  // Fork off to the confirm form for the username before anything else.

  if (!empty($form_state['storage']['chosen_username'])) {

    return drupalorg_git_gateway_confirm_username($form, $form_state, $account);

  }

  $form['#validate'] = array('drupalorg_git_gateway_user_form_base_validate');

  $form['submit'] = array(

    '#type' => 'submit',

    array_unshift($form['#submit'], 'drupalorg_git_gateway_admin_user_form_submit');

  }

  // If everything's set in the expected state, change the button text to make

  // clear what submitting the form does, and show configuration helper text.

  // If everything’s set in the expected state, show configuration helper text.

  if (!empty($account->git_consent) && !empty($account->git_username)) {

    $form['submit']['#value'] = t('Update Git access agreement');

    $form['git_config'] = _drupalorg_git_gateway_user_config($account);

  }

  if (!isset($account->git_username)) {

  $form['username'] = _drupalorg_git_gateway_username_set($account);

    if ($show_messages) {

      drupal_set_message(t('You will not be able to use Git until you have selected a Git username. A suggestion has been provided for you, based on your username. <strong>Note that once chosen, your Git username cannot be changed.</strong>'), 'warning');

  if ($show_messages && empty($account->git_username)) {

    drupal_set_message(t('You will not be able to use Git until you have selected a Git username.'), 'warning');

  }

  }

  else {

    $form['access'] = [

      '#weight' => -20,

      'username' => [

        '#type' => 'item',

        '#title' => t('Your Git username'),

        '#markup' => $account->git_username,

        '#description' => t('You can use this as your HTTPS username when authenticating with Git to Drupal.org. Using SSH is recommended and the username is always <code>git</code>. Drupal.org uses this username to generate your personalized sandbox URIs. <a href="!gitauth">More about Drupal.org Git authentication</a>', ['!gitauth' => url('gitauth')]),

      ],

    ];

  // If GitLab is present, add HTTPS password management.

  try {

    if (user_access('gitlab sync account', $account) && variable_get('versioncontrol_gitlab_key') && class_exists('Gitlab\Client') && ($gitlab_user = versioncontrol_gitlab_get_user($account))) {

  catch (Exception $e) {

    watchdog('drupalorg_git_gateway', 'Exception in GitLab token UI for user %user error: %msg', ['%user' => $account->uid . ' - ' . $account->git_username, '%msg' => $e->getMessage()], WATCHDOG_WARNING);

  }

  }

  $form['git_tos'] = _drupalorg_git_gateway_user_tos($account);

  if (empty($account->git_consent)) {

    '#collapsed' => FALSE,

    '#weight' => -20,

  );

  if (!empty($account->git_username)) {

    $form['user_info']['username'] = array(

  $form['user_info']['username'] = [

    '#type' => 'item',

      '#title' => t('Git username'),

      '#disabled' => TRUE,

      '#markup' => $account->git_username,

    '#title' => t('Current Git username'),

    '#markup' => $account->git_username ?: t('(Has not yet chosen a Git username)'),

    '#weight' => -20,

    );

  }

  else {

    $form['user_info']['username'] = array(

      '#type' => 'item',

      '#title' => t('Git username'),

      '#disabled' => TRUE,

      '#markup' => t('(User has not yet chosen a Git username)'),

      '#weight' => -20,

    );

  }

  ];

  $form['user_info']['consent'] = array(

    '#type' => 'item',

}

function _drupalorg_git_gateway_username_set($account) {

  $form = array(

  $form = [

    'username_container' => [],

  ];

  if (!empty($account->git_username)) {

    $form['access'] = [

      'username' => [

        '#type' => 'item',

        '#title' => t('Your Git username'),

        '#markup' => $account->git_username,

        '#description' => t('You can use this as your HTTPS username when authenticating with Git to Drupal.org. Using SSH is recommended and the username is always <code>git</code>. Drupal.org uses this username to generate your personalized sandbox URIs. <a href="!gitauth">More about Drupal.org Git authentication</a>', ['!gitauth' => url('gitauth')]),

      ],

      '#weight' => -1,

    ];

    $form['username_container'] = [

      '#type' => 'fieldset',

    '#title' => t('Git username'),

    '#collapsible' => FALSE,

    '#collapsed' => FALSE,

    '#weight' => -20,

  );

  $form['#description'] = t('Choose a username to use for Git. This can be used when authenticating to Drupal.org with Git, and Drupal.org will use it to generate your personalized sandbox URIs. <strong>Once chosen, your Git username cannot be changed.</strong>');

  $form['git_username'] = array(

      '#title' => t('Change Git username'),

      '#collapsible' => TRUE,

      '#collapsed' => TRUE,

      'git_username' => [],

      'submit' => [

        '#type' => 'submit',

        '#value' => t('Save'),

      ],

    ];

  }

  $form['username_container']['git_username'] = [

    '#type' => 'textfield',

    '#title' => t('Desired Git username'),

    '#title' => t('Requested Git username'),

    '#required' => TRUE,

    '#maxlength' => 64,

    '#default_value' => drupalorg_git_gateway_suggest_git_username($account->name),

    '#default_value' => $account->git_username ?: $account->name,

    '#description' => t('Can contain A-Z letters, numbers, periods, underscores, and dashes. Can not start with a dash; or end with a dash, dot, <code>.git</code>, or <code>.atom</code>.'),

  );

  ];

  return $form;

}

    '#weight' => 15,

  );

  $user_config = t('You will not be credited in commit statistics or listings unless you set the Git email address to either <a href="!emailadmin">an address associated with your account</a> or the anonymized email provided below. Read <a href="!handbook">the handbook</a> for a full discussion of identifying yourself to Git. We recommend:', (array('!handbook' => url('node/1022156'), '!emailadmin' => url("user/$account->uid/edit/email-addresses")))) . "\n";

  $user_config = t('Your commits may not be credited in commit statistics or listings unless you set the Git email address to either <a href="!emailadmin">an address associated with your account</a> or the anonymized email provided below. Read <a href="!handbook">the handbook</a> for a full discussion of identifying yourself to Git. We recommend:', [

    '!handbook' => url('node/1022156'),

    '!emailadmin' => url('user/' . $account->uid . '/edit/email-addresses'),

  ]);

  $wrapper = entity_metadata_wrapper('user', $account);

  $first_name = $wrapper->field_first_name->value();

  $last_name = $wrapper->field_last_name->value();

  return $form;

}

/**

 * Form callback, confirm Git username choice.

 *

 * @see drupalorg_git_gateway_user_form()

 */

function drupalorg_git_gateway_confirm_username($form, &$form_state, $account) {

  // Copy out the original settings so we have them when actually submitting.

  $form_state['storage']['base_form_values'] = $form_state['values'];

  $form['confirm_username'] = array(

    '#type' => 'item',

    '#title' => t('Are you sure you want "%username" for your Git username?', array('%username' => $form_state['storage']['chosen_username'])),

    '#description' => t('Once chosen, your Git username can <em>never</em> be changed!'),

  );

  $form['confirm'] = array(

    '#type' => 'submit',

    '#value' => t('Confirm'),

  );

  $form['cancel'] = array(

    '#type' => 'submit',

    '#value' => t('Cancel'),

    // '#button_type' => 'cancel',

    '#executes_submit_callback' => FALSE,

  );

  $form['#validate'] = array('drupalorg_git_gateway_confirm_username_validate');

  return $form;

}

/**

 * Form validate callback for drupalorg_git_gateway_user_form().

 */

    elseif (preg_match('/\.([^.]*)$/', $form_state['values']['git_username'], $match) && in_array($match[1], ['html', 'xhtml', 'text', 'txt', 'js', 'css', 'ics', 'csv', 'vcf', 'vtt', 'png', 'jpeg', 'jpg', 'jpe', 'pjpeg', 'gif', 'bmp', 'tiff', 'tif', 'svg', 'mpeg', 'mpg', 'mpe', 'mp3', 'mp1', 'mp2', 'ogg', 'oga', 'spx', 'opus', 'm4a', 'mpg4', 'aac', 'webm', 'mp4', 'm4v', 'otf', 'ttf', 'woff', 'woff2', 'xml', 'rss', 'atom', 'yaml', 'yml', 'multipart_form', 'url_encoded_form', 'pdf', 'zip', 'gzip', 'gz', 'diff', 'patch', 'markdown', 'md', 'mov', 'ogv', 'json', 'ico'])) {

      form_set_error('git_username', t('The requested username is reserved, please choose a different Git username.'));

    }

    elseif (empty($form_state['account']->git_username)) {

      $form_state['rebuild'] = TRUE;

      $form_state['storage']['chosen_username'] = $form_state['values']['git_username'];

    }

  }

}

/**

 * Form validate callback for drupalorg_git_gateway_confirm_username().

 */

function drupalorg_git_gateway_confirm_username_validate($form, &$form_state) {

  // Copy the stored base form values into place for the main submit handler.

  $form_state['values'] += $form_state['storage']['base_form_values'];

  // Confirm or cancel, form processing should complete; ensure that happens.

  unset($form_state['storage']);

  $form_state['rebuild'] = FALSE;

  $form_state['submitted'] = TRUE;

  if (empty($form_state['clicked_button']) || $form_state['clicked_button']['#value'] != t('Confirm')) {

    // Unset the git username so it isn't processed.

    unset($form_state['values']['git_username']);

  }

}