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phab/src/applications/settings/panel/PhabricatorSettingsPanelSSHKeys.php
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PhabricatorSettingsPanelSSHKeys.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class PhabricatorSettingsPanelSSHKeys
extends PhabricatorSettingsPanel {
public function getPanelKey() {
return 'ssh';
}
public function getPanelName() {
return pht('SSH Public Keys');
}
public function getPanelGroup() {
return pht('Authentication');
}
public function isEnabled() {
return PhabricatorEnv::getEnvConfig('auth.sshkeys.enabled');
}
public function processRequest(AphrontRequest $request) {
$user = $request->getUser();
$edit = $request->getStr('edit');
$delete = $request->getStr('delete');
if (!$edit && !$delete) {
return $this->renderKeyListView($request);
}
$id = nonempty($edit, $delete);
if ($id && is_numeric($id)) {
// NOTE: Prevent editing/deleting of keys you don't own.
$key = id(new PhabricatorUserSSHKey())->loadOneWhere(
'userPHID = %s AND id = %d',
$user->getPHID(),
(int)$id);
if (!$key) {
return new Aphront404Response();
}
} else {
$key = new PhabricatorUserSSHKey();
$key->setUserPHID($user->getPHID());
}
if ($delete) {
return $this->processDelete($request, $key);
}
$e_name = true;
$e_key = true;
$errors = array();
$entire_key = $key->getEntireKey();
if ($request->isFormPost()) {
$key->setName($request->getStr('name'));
$entire_key = $request->getStr('key');
if (!strlen($entire_key)) {
$errors[] = 'You must provide an SSH Public Key.';
$e_key = 'Required';
} else {
$parts = str_replace("\n", '', trim($entire_key));
$parts = preg_split('/\s+/', $parts);
if (count($parts) == 2) {
$parts[] = ''; // Add an empty comment part.
} else if (count($parts) == 3) {
// This is the expected case.
} else {
if (preg_match('/private\s*key/i', $entire_key)) {
// Try to give the user a better error message if it looks like
// they uploaded a private key.
$e_key = 'Invalid';
$errors[] = 'Provide your public key, not your private key!';
} else {
$e_key = 'Invalid';
$errors[] = 'Provided public key is not properly formatted.';
}
}
if (!$errors) {
list($type, $body, $comment) = $parts;
if (!preg_match('/^ssh-dsa|ssh-rsa$/', $type)) {
$e_key = 'Invalid';
$errors[] = 'Public key should be "ssh-dsa" or "ssh-rsa".';
} else {
$key->setKeyType($type);
$key->setKeyBody($body);
$key->setKeyHash(md5($body));
$key->setKeyComment($comment);
$e_key = null;
}
}
}
if (!strlen($key->getName())) {
$errors[] = 'You must name this public key.';
$e_name = 'Required';
} else {
$e_name = null;
}
if (!$errors) {
try {
$key->save();
return id(new AphrontRedirectResponse())
->setURI($this->getPanelURI());
} catch (AphrontQueryDuplicateKeyException $ex) {
$e_key = 'Duplicate';
$errors[] = 'This public key is already associated with a user '.
'account.';
}
}
}
$error_view = null;
if ($errors) {
$error_view = new AphrontErrorView();
$error_view->setTitle('Form Errors');
$error_view->setErrors($errors);
}
$is_new = !$key->getID();
if ($is_new) {
$header = 'Add New SSH Public Key';
$save = 'Add Key';
} else {
$header = 'Edit SSH Public Key';
$save = 'Save Changes';
}
$form = id(new AphrontFormView())
->setUser($user)
->addHiddenInput('edit', $is_new ? 'true' : $key->getID())
->appendChild(
id(new AphrontFormTextControl())
->setLabel('Name')
->setName('name')
->setValue($key->getName())
->setError($e_name))
->appendChild(
id(new AphrontFormTextAreaControl())
->setLabel('Public Key')
->setName('key')
->setValue($entire_key)
->setError($e_key))
->appendChild(
id(new AphrontFormSubmitControl())
->addCancelButton($this->getPanelURI())
->setValue($save));
$panel = new AphrontPanelView();
$panel->setHeader($header);
$panel->setWidth(AphrontPanelView::WIDTH_FORM);
$panel->appendChild($form);
return id(new AphrontNullView())
->appendChild(
array(
$error_view,
$panel,
));
}
private function renderKeyListView(AphrontRequest $request) {
$user = $request->getUser();
$keys = id(new PhabricatorUserSSHKey())->loadAllWhere(
'userPHID = %s',
$user->getPHID());
$rows = array();
foreach ($keys as $key) {
$rows[] = array(
phutil_render_tag(
'a',
array(
'href' => $this->getPanelURI('?edit='.$key->getID()),
),
phutil_escape_html($key->getName())),
phutil_escape_html($key->getKeyComment()),
phutil_escape_html($key->getKeyType()),
phabricator_date($key->getDateCreated(), $user),
phabricator_time($key->getDateCreated(), $user),
javelin_render_tag(
'a',
array(
'href' => $this->getPanelURI('?delete='.$key->getID()),
'class' => 'small grey button',
'sigil' => 'workflow',
),
'Delete'),
);
}
$table = new AphrontTableView($rows);
$table->setNoDataString("You haven't added any SSH Public Keys.");
$table->setHeaders(
array(
'Name',
'Comment',
'Type',
'Created',
'Time',
'',
));
$table->setColumnClasses(
array(
'wide pri',
'',
'',
'',
'right',
'action',
));
$panel = new AphrontPanelView();
$panel->addButton(
phutil_render_tag(
'a',
array(
'href' => $this->getPanelURI('?edit=true'),
'class' => 'green button',
),
'Add New Public Key'));
$panel->setHeader('SSH Public Keys');
$panel->appendChild($table);
return $panel;
}
private function processDelete(
AphrontRequest $request,
PhabricatorUserSSHKey $key) {
$user = $request->getUser();
$name = phutil_escape_html($key->getName());
if ($request->isDialogFormPost()) {
$key->delete();
return id(new AphrontReloadResponse())
->setURI($this->getPanelURI());
}
$dialog = id(new AphrontDialogView())
->setUser($user)
->addHiddenInput('delete', $key->getID())
->setTitle('Really delete SSH Public Key?')
->appendChild(
'<p>The key "<strong>'.$name.'</strong>" will be permanently deleted, '.
'and you will not longer be able to use the corresponding private key '.
'to authenticate.</p>')
->addSubmitButton('Delete Public Key')
->addCancelButton($this->getPanelURI());
return id(new AphrontDialogResponse())
->setDialog($dialog);
}
}
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