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DiffusionSetPasswordSettingsPanel.php
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Mon, May 20, 12:30

DiffusionSetPasswordSettingsPanel.php
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<?php
final class DiffusionSetPasswordSettingsPanel extends PhabricatorSettingsPanel {
public function isEditableByAdministrators() {
return true;
}
public function getPanelKey() {
return 'vcspassword';
}
public function getPanelName() {
return pht('VCS Password');
}
public function getPanelGroup() {
return pht('Authentication');
}
public function isEnabled() {
if ($this->getUser()->getIsMailingList()) {
return false;
}
return PhabricatorEnv::getEnvConfig('diffusion.allow-http-auth');
}
public function processRequest(AphrontRequest $request) {
$viewer = $request->getUser();
$user = $this->getUser();
$token = id(new PhabricatorAuthSessionEngine())->requireHighSecuritySession(
$viewer,
$request,
'/settings/');
$vcspassword = id(new PhabricatorRepositoryVCSPassword())
->loadOneWhere(
'userPHID = %s',
$user->getPHID());
if (!$vcspassword) {
$vcspassword = id(new PhabricatorRepositoryVCSPassword());
$vcspassword->setUserPHID($user->getPHID());
}
$panel_uri = $this->getPanelURI('?saved=true');
$errors = array();
$e_password = true;
$e_confirm = true;
if ($request->isFormPost()) {
if ($request->getBool('remove')) {
if ($vcspassword->getID()) {
$vcspassword->delete();
return id(new AphrontRedirectResponse())->setURI($panel_uri);
}
}
$new_password = $request->getStr('password');
$confirm = $request->getStr('confirm');
if (!strlen($new_password)) {
$e_password = pht('Required');
$errors[] = pht('Password is required.');
} else {
$e_password = null;
}
if (!strlen($confirm)) {
$e_confirm = pht('Required');
$errors[] = pht('You must confirm the new password.');
} else {
$e_confirm = null;
}
if (!$errors) {
$envelope = new PhutilOpaqueEnvelope($new_password);
try {
// NOTE: This test is against $viewer (not $user), so that the error
// message below makes sense in the case that the two are different,
// and because an admin reusing their own password is bad, while
// system agents generally do not have passwords anyway.
$same_password = $viewer->comparePassword($envelope);
} catch (PhabricatorPasswordHasherUnavailableException $ex) {
// If we're missing the hasher, just let the user continue.
$same_password = false;
}
if ($new_password !== $confirm) {
$e_password = pht('Does Not Match');
$e_confirm = pht('Does Not Match');
$errors[] = pht('Password and confirmation do not match.');
} else if ($same_password) {
$e_password = pht('Not Unique');
$e_confirm = pht('Not Unique');
$errors[] = pht(
'This password is the same as another password associated '.
'with your account. You must use a unique password for '.
'VCS access.');
} else if (
PhabricatorCommonPasswords::isCommonPassword($new_password)) {
$e_password = pht('Very Weak');
$e_confirm = pht('Very Weak');
$errors[] = pht(
'This password is extremely weak: it is one of the most common '.
'passwords in use. Choose a stronger password.');
}
if (!$errors) {
$vcspassword->setPassword($envelope, $user);
$vcspassword->save();
return id(new AphrontRedirectResponse())->setURI($panel_uri);
}
}
}
$title = pht('Set VCS Password');
$form = id(new AphrontFormView())
->setUser($viewer)
->appendRemarkupInstructions(
pht(
'To access repositories hosted by Phabricator over HTTP, you must '.
'set a version control password. This password should be unique.'.
"\n\n".
"This password applies to all repositories available over ".
"HTTP."));
if ($vcspassword->getID()) {
$form
->appendChild(
id(new AphrontFormPasswordControl())
->setDisableAutocomplete(true)
->setLabel(pht('Current Password'))
->setDisabled(true)
->setValue('********************'));
} else {
$form
->appendChild(
id(new AphrontFormMarkupControl())
->setLabel(pht('Current Password'))
->setValue(phutil_tag('em', array(), pht('No Password Set'))));
}
$form
->appendChild(
id(new AphrontFormPasswordControl())
->setDisableAutocomplete(true)
->setName('password')
->setLabel(pht('New VCS Password'))
->setError($e_password))
->appendChild(
id(new AphrontFormPasswordControl())
->setDisableAutocomplete(true)
->setName('confirm')
->setLabel(pht('Confirm VCS Password'))
->setError($e_confirm))
->appendChild(
id(new AphrontFormSubmitControl())
->setValue(pht('Change Password')));
if (!$vcspassword->getID()) {
$is_serious = PhabricatorEnv::getEnvConfig(
'phabricator.serious-business');
$suggest = Filesystem::readRandomBytes(128);
$suggest = preg_replace('([^A-Za-z0-9/!().,;{}^&*%~])', '', $suggest);
$suggest = substr($suggest, 0, 20);
if ($is_serious) {
$form->appendRemarkupInstructions(
pht(
'Having trouble coming up with a good password? Try this randomly '.
'generated one, made by a computer:'.
"\n\n".
"`%s`",
$suggest));
} else {
$form->appendRemarkupInstructions(
pht(
'Having trouble coming up with a good password? Try this '.
'artisinal password, hand made in small batches by our expert '.
'craftspeople: '.
"\n\n".
"`%s`",
$suggest));
}
}
$hash_envelope = new PhutilOpaqueEnvelope($vcspassword->getPasswordHash());
$form->appendChild(
id(new AphrontFormStaticControl())
->setLabel(pht('Current Algorithm'))
->setValue(
PhabricatorPasswordHasher::getCurrentAlgorithmName($hash_envelope)));
$form->appendChild(
id(new AphrontFormStaticControl())
->setLabel(pht('Best Available Algorithm'))
->setValue(PhabricatorPasswordHasher::getBestAlgorithmName()));
if (strlen($hash_envelope->openEnvelope())) {
try {
$can_upgrade = PhabricatorPasswordHasher::canUpgradeHash(
$hash_envelope);
} catch (PhabricatorPasswordHasherUnavailableException $ex) {
$can_upgrade = false;
$errors[] = pht(
'Your VCS password is currently hashed using an algorithm which is '.
'no longer available on this install.');
$errors[] = pht(
'Because the algorithm implementation is missing, your password '.
'can not be used.');
$errors[] = pht(
'You can set a new password to replace the old password.');
}
if ($can_upgrade) {
$errors[] = pht(
'The strength of your stored VCS password hash can be upgraded. '.
'To upgrade, either: use the password to authenticate with a '.
'repository; or change your password.');
}
}
$object_box = id(new PHUIObjectBoxView())
->setHeaderText($title)
->setForm($form)
->setFormErrors($errors);
$remove_form = id(new AphrontFormView())
->setUser($viewer);
if ($vcspassword->getID()) {
$remove_form
->addHiddenInput('remove', true)
->appendRemarkupInstructions(
pht(
'You can remove your VCS password, which will prevent your '.
'account from accessing repositories.'))
->appendChild(
id(new AphrontFormSubmitControl())
->setValue(pht('Remove Password')));
} else {
$remove_form->appendRemarkupInstructions(
pht(
'You do not currently have a VCS password set. If you set one, you '.
'can remove it here later.'));
}
$remove_box = id(new PHUIObjectBoxView())
->setHeaderText(pht('Remove VCS Password'))
->setForm($remove_form);
$saved = null;
if ($request->getBool('saved')) {
$saved = id(new PHUIInfoView())
->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
->setTitle(pht('Password Updated'))
->appendChild(pht('Your VCS password has been updated.'));
}
return array(
$saved,
$object_box,
$remove_box,
);
}
}

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