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gnu-social/_darcs/pristine/actions/userauthorization.php

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add standard directories Added some of the standard directories darcs-hash:20080506151729-84dde-563da8505e06a7302041c93ab157ced31165876c.gz
2008-05-07 00:17:29 +09:00
<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/omb.php');
define('TIMESTAMP_THRESHOLD', 300);
class UserauthorizationAction extends Action {
replace all tabs with four spaces The PEAR coding standards decree: no tabs, but indent by four spaces. I've done a global search-and-replace on all tabs, replacing them by four spaces. This is a huge change, but it will go a long way to getting us towards phpcs-compliance. And that means better code readability, and that means more participation. darcs-hash:20081223191907-84dde-21e8efe210e6d5d54e935a22d0cee5c7bbfc007d.gz
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function handle($args) {
parent::handle($args);
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
# CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
$req = $this->get_stored_request();
$this->show_form(_('There was a problem with your session token. Try again, please.'), $req);
return;
}
# We've shown the form, now post user's choice
$this->send_authorization();
} else {
if (!common_logged_in()) {
# Go log in, and then come back
common_debug('saving URL for returnto', __FILE__);
common_set_returnto($_SERVER['REQUEST_URI']);
common_debug('redirecting to login', __FILE__);
common_redirect(common_local_url('login'));
return;
}
try {
# this must be a new request
common_debug('getting new request', __FILE__);
$req = $this->get_new_request();
if (!$req) {
$this->client_error(_('No request found!'));
}
common_debug('validating request', __FILE__);
# XXX: only validate new requests, since nonce is one-time use
$this->validate_request($req);
common_debug('showing form', __FILE__);
$this->store_request($req);
$this->show_form($req);
} catch (OAuthException $e) {
$this->clear_request();
$this->client_error($e->getMessage());
return;
}
}
}
function show_form($req) {
$nickname = $req->get_parameter('omb_listenee_nickname');
$profile = $req->get_parameter('omb_listenee_profile');
$license = $req->get_parameter('omb_listenee_license');
$fullname = $req->get_parameter('omb_listenee_fullname');
$homepage = $req->get_parameter('omb_listenee_homepage');
$bio = $req->get_parameter('omb_listenee_bio');
$location = $req->get_parameter('omb_listenee_location');
$avatar = $req->get_parameter('omb_listenee_avatar');
common_show_header(_('Authorize subscription'));
replace NULL with null Another global search-and-replace update. Here, I've replaced the PHP keyword 'NULL' with its lowercase version. This is another PEAR code standards change. darcs-hash:20081223192129-84dde-4a0182e0ec16a01ad88745ad3e08f7cb501aee0b.gz
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common_element('p', null, _('Please check these details to make sure '.
replace all tabs with four spaces The PEAR coding standards decree: no tabs, but indent by four spaces. I've done a global search-and-replace on all tabs, replacing them by four spaces. This is a huge change, but it will go a long way to getting us towards phpcs-compliance. And that means better code readability, and that means more participation. darcs-hash:20081223191907-84dde-21e8efe210e6d5d54e935a22d0cee5c7bbfc007d.gz
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'that you want to subscribe to this user\'s notices. '.
'If you didn\'t just ask to subscribe to someone\'s notices, '.
'click "Cancel".'));
common_element_start('div', 'profile');
if ($avatar) {
common_element('img', array('src' => $avatar,
'class' => 'avatar profile',
'width' => AVATAR_PROFILE_SIZE,
'height' => AVATAR_PROFILE_SIZE,
'alt' => $nickname));
}
common_element('a', array('href' => $profile,
'class' => 'external profile nickname'),
$nickname);
if ($fullname) {
common_element_start('div', 'fullname');
if ($homepage) {
common_element('a', array('href' => $homepage),
$fullname);
} else {
common_text($fullname);
}
common_element_end('div');
}
if ($location) {
common_element('div', 'location', $location);
}
if ($bio) {
common_element('div', 'bio', $bio);
}
common_element_start('div', 'license');
common_element('a', array('href' => $license,
'class' => 'license'),
$license);
common_element_end('div');
common_element_end('div');
common_element_start('form', array('method' => 'post',
'id' => 'userauthorization',
'name' => 'userauthorization',
'action' => common_local_url('userauthorization')));
common_hidden('token', common_session_token());
common_submit('accept', _('Accept'));
common_submit('reject', _('Reject'));
common_element_end('form');
common_show_footer();
}
function send_authorization() {
$req = $this->get_stored_request();
if (!$req) {
common_user_error(_('No authorization request!'));
return;
}
$callback = $req->get_parameter('oauth_callback');
if ($this->arg('accept')) {
if (!$this->authorize_token($req)) {
$this->client_error(_('Error authorizing token'));
}
if (!$this->save_remote_profile($req)) {
$this->client_error(_('Error saving remote profile'));
}
if (!$callback) {
$this->show_accept_message($req->get_parameter('oauth_token'));
} else {
$params = array();
$params['oauth_token'] = $req->get_parameter('oauth_token');
$params['omb_version'] = OMB_VERSION_01;
$user = User::staticGet('uri', $req->get_parameter('omb_listener'));
$profile = $user->getProfile();
if (!$profile) {
common_log_db_error($user, 'SELECT', __FILE__);
$this->server_error(_('User without matching profile'));
return;
}
$params['omb_listener_nickname'] = $user->nickname;
$params['omb_listener_profile'] = common_local_url('showstream',
array('nickname' => $user->nickname));
if ($profile->fullname) {
$params['omb_listener_fullname'] = $profile->fullname;
}
if ($profile->homepage) {
$params['omb_listener_homepage'] = $profile->homepage;
}
if ($profile->bio) {
$params['omb_listener_bio'] = $profile->bio;
}
if ($profile->location) {
$params['omb_listener_location'] = $profile->location;
}
$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
if ($avatar) {
$params['omb_listener_avatar'] = $avatar->url;
}
$parts = array();
foreach ($params as $k => $v) {
$parts[] = $k . '=' . OAuthUtil::urlencodeRFC3986($v);
}
$query_string = implode('&', $parts);
$parsed = parse_url($callback);
$url = $callback . (($parsed['query']) ? '&' : '?') . $query_string;
common_redirect($url, 303);
}
} else {
if (!$callback) {
$this->show_reject_message();
} else {
# XXX: not 100% sure how to signal failure... just redirect without token?
common_redirect($callback, 303);
}
}
}
function authorize_token(&$req) {
$consumer_key = $req->get_parameter('oauth_consumer_key');
$token_field = $req->get_parameter('oauth_token');
common_debug('consumer key = "'.$consumer_key.'"', __FILE__);
common_debug('token field = "'.$token_field.'"', __FILE__);
$rt = new Token();
$rt->consumer_key = $consumer_key;
$rt->tok = $token_field;
$rt->type = 0;
$rt->state = 0;
common_debug('request token to look up: "'.print_r($rt,TRUE).'"');
if ($rt->find(true)) {
common_debug('found request token to authorize', __FILE__);
$orig_rt = clone($rt);
$rt->state = 1; # Authorized but not used
if ($rt->update($orig_rt)) {
common_debug('updated request token so it is authorized', __FILE__);
return true;
}
}
return FALSE;
}
# XXX: refactor with similar code in finishremotesubscribe.php
function save_remote_profile(&$req) {
# FIXME: we should really do this when the consumer comes
# back for an access token. If they never do, we've got stuff in a
# weird state.
$nickname = $req->get_parameter('omb_listenee_nickname');
$fullname = $req->get_parameter('omb_listenee_fullname');
$profile_url = $req->get_parameter('omb_listenee_profile');
$homepage = $req->get_parameter('omb_listenee_homepage');
$bio = $req->get_parameter('omb_listenee_bio');
$location = $req->get_parameter('omb_listenee_location');
$avatar_url = $req->get_parameter('omb_listenee_avatar');
$listenee = $req->get_parameter('omb_listenee');
$remote = Remote_profile::staticGet('uri', $listenee);
if ($remote) {
$exists = true;
$profile = Profile::staticGet($remote->id);
$orig_remote = clone($remote);
$orig_profile = clone($profile);
} else {
$exists = false;
$remote = new Remote_profile();
$remote->uri = $listenee;
$profile = new Profile();
}
$profile->nickname = $nickname;
$profile->profileurl = $profile_url;
if ($fullname) {
$profile->fullname = $fullname;
}
if ($homepage) {
$profile->homepage = $homepage;
}
if ($bio) {
$profile->bio = $bio;
}
if ($location) {
$profile->location = $location;
}
if ($exists) {
$profile->update($orig_profile);
} else {
$profile->created = DB_DataObject_Cast::dateTime(); # current time
$id = $profile->insert();
if (!$id) {
return FALSE;
}
$remote->id = $id;
}
if ($exists) {
if (!$remote->update($orig_remote)) {
return FALSE;
}
} else {
$remote->created = DB_DataObject_Cast::dateTime(); # current time
if (!$remote->insert()) {
return FALSE;
}
}
if ($avatar_url) {
if (!$this->add_avatar($profile, $avatar_url)) {
return FALSE;
}
}
$user = common_current_user();
$datastore = omb_oauth_datastore();
$consumer = $this->get_consumer($datastore, $req);
$token = $this->get_token($datastore, $req, $consumer);
$sub = new Subscription();
$sub->subscriber = $user->id;
$sub->subscribed = $remote->id;
$sub->token = $token->key; # NOTE: request token, not valid for use!
$sub->created = DB_DataObject_Cast::dateTime(); # current time
if (!$sub->insert()) {
return FALSE;
}
return TRUE;
}
function add_avatar($profile, $url) {
$temp_filename = tempnam(sys_get_temp_dir(), 'listenee_avatar');
copy($url, $temp_filename);
return $profile->setOriginal($temp_filename);
}
function show_accept_message($tok) {
common_show_header(_('Subscription authorized'));
replace NULL with null Another global search-and-replace update. Here, I've replaced the PHP keyword 'NULL' with its lowercase version. This is another PEAR code standards change. darcs-hash:20081223192129-84dde-4a0182e0ec16a01ad88745ad3e08f7cb501aee0b.gz
2008-12-24 04:21:29 +09:00
common_element('p', null,
replace all tabs with four spaces The PEAR coding standards decree: no tabs, but indent by four spaces. I've done a global search-and-replace on all tabs, replacing them by four spaces. This is a huge change, but it will go a long way to getting us towards phpcs-compliance. And that means better code readability, and that means more participation. darcs-hash:20081223191907-84dde-21e8efe210e6d5d54e935a22d0cee5c7bbfc007d.gz
2008-12-24 04:19:07 +09:00
_('The subscription has been authorized, but no '.
'callback URL was passed. Check with the site\'s instructions for '.
'details on how to authorize the subscription. Your subscription token is:'));
common_element('blockquote', 'token', $tok);
common_show_footer();
}
function show_reject_message($tok) {
common_show_header(_('Subscription rejected'));
replace NULL with null Another global search-and-replace update. Here, I've replaced the PHP keyword 'NULL' with its lowercase version. This is another PEAR code standards change. darcs-hash:20081223192129-84dde-4a0182e0ec16a01ad88745ad3e08f7cb501aee0b.gz
2008-12-24 04:21:29 +09:00
common_element('p', null,
replace all tabs with four spaces The PEAR coding standards decree: no tabs, but indent by four spaces. I've done a global search-and-replace on all tabs, replacing them by four spaces. This is a huge change, but it will go a long way to getting us towards phpcs-compliance. And that means better code readability, and that means more participation. darcs-hash:20081223191907-84dde-21e8efe210e6d5d54e935a22d0cee5c7bbfc007d.gz
2008-12-24 04:19:07 +09:00
_('The subscription has been rejected, but no '.
'callback URL was passed. Check with the site\'s instructions for '.
'details on how to fully reject the subscription.'));
common_show_footer();
}
function store_request($req) {
common_ensure_session();
$_SESSION['userauthorizationrequest'] = $req;
}
function clear_request() {
common_ensure_session();
unset($_SESSION['userauthorizationrequest']);
}
function get_stored_request() {
common_ensure_session();
$req = $_SESSION['userauthorizationrequest'];
return $req;
}
function get_new_request() {
common_remove_magic_from_request();
$req = OAuthRequest::from_request();
return $req;
}
# Throws an OAuthException if anything goes wrong
function validate_request(&$req) {
# OAuth stuff -- have to copy from OAuth.php since they're
# all private methods, and there's no user-authentication method
common_debug('checking version', __FILE__);
$this->check_version($req);
common_debug('getting datastore', __FILE__);
$datastore = omb_oauth_datastore();
common_debug('getting consumer', __FILE__);
$consumer = $this->get_consumer($datastore, $req);
common_debug('getting token', __FILE__);
$token = $this->get_token($datastore, $req, $consumer);
common_debug('checking timestamp', __FILE__);
$this->check_timestamp($req);
common_debug('checking nonce', __FILE__);
$this->check_nonce($datastore, $req, $consumer, $token);
common_debug('checking signature', __FILE__);
$this->check_signature($req, $consumer, $token);
common_debug('validating omb stuff', __FILE__);
$this->validate_omb($req);
common_debug('done validating', __FILE__);
return true;
}
function validate_omb(&$req) {
foreach (array('omb_version', 'omb_listener', 'omb_listenee',
'omb_listenee_profile', 'omb_listenee_nickname',
'omb_listenee_license') as $param)
{
if (!$req->get_parameter($param)) {
throw new OAuthException("Required parameter '$param' not found");
}
}
# Now, OMB stuff
$version = $req->get_parameter('omb_version');
if ($version != OMB_VERSION_01) {
throw new OAuthException("OpenMicroBlogging version '$version' not supported");
}
$listener = $req->get_parameter('omb_listener');
$user = User::staticGet('uri', $listener);
if (!$user) {
throw new OAuthException("Listener URI '$listener' not found here");
}
$cur = common_current_user();
if ($cur->id != $user->id) {
throw new OAuthException("Can't add for another user!");
}
$listenee = $req->get_parameter('omb_listenee');
if (!Validate::uri($listenee) &&
!common_valid_tag($listenee)) {
throw new OAuthException("Listenee URI '$listenee' not a recognizable URI");
}
if (strlen($listenee) > 255) {
throw new OAuthException("Listenee URI '$listenee' too long");
}
$other = User::staticGet('uri', $listenee);
if ($other) {
throw new OAuthException("Listenee URI '$listenee' is local user");
}
$remote = Remote_profile::staticGet('uri', $listenee);
if ($remote) {
$sub = new Subscription();
$sub->subscriber = $user->id;
$sub->subscribed = $remote->id;
if ($sub->find(TRUE)) {
throw new OAuthException("Already subscribed to user!");
}
}
$nickname = $req->get_parameter('omb_listenee_nickname');
if (!Validate::string($nickname, array('min_length' => 1,
'max_length' => 64,
'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
throw new OAuthException('Nickname must have only letters and numbers and no spaces.');
}
$profile = $req->get_parameter('omb_listenee_profile');
if (!common_valid_http_url($profile)) {
throw new OAuthException("Invalid profile URL '$profile'.");
}
if ($profile == common_local_url('showstream', array('nickname' => $nickname))) {
throw new OAuthException("Profile URL '$profile' is for a local user.");
}
$license = $req->get_parameter('omb_listenee_license');
if (!common_valid_http_url($license)) {
throw new OAuthException("Invalid license URL '$license'.");
}
$site_license = common_config('license', 'url');
if (!common_compatible_license($license, $site_license)) {
throw new OAuthException("Listenee stream license '$license' not compatible with site license '$site_license'.");
}
# optional stuff
$fullname = $req->get_parameter('omb_listenee_fullname');
if ($fullname && strlen($fullname) > 255) {
throw new OAuthException("Full name '$fullname' too long.");
}
$homepage = $req->get_parameter('omb_listenee_homepage');
if ($homepage && (!common_valid_http_url($homepage) || strlen($homepage) > 255)) {
throw new OAuthException("Invalid homepage '$homepage'");
}
$bio = $req->get_parameter('omb_listenee_bio');
if ($bio && strlen($bio) > 140) {
throw new OAuthException("Bio too long '$bio'");
}
$location = $req->get_parameter('omb_listenee_location');
if ($location && strlen($location) > 255) {
throw new OAuthException("Location too long '$location'");
}
$avatar = $req->get_parameter('omb_listenee_avatar');
if ($avatar) {
if (!common_valid_http_url($avatar) || strlen($avatar) > 255) {
throw new OAuthException("Invalid avatar URL '$avatar'");
}
$size = @getimagesize($avatar);
if (!$size) {
throw new OAuthException("Can't read avatar URL '$avatar'");
}
if ($size[0] != AVATAR_PROFILE_SIZE || $size[1] != AVATAR_PROFILE_SIZE) {
throw new OAuthException("Wrong size image at '$avatar'");
}
if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG,
IMAGETYPE_PNG))) {
throw new OAuthException("Wrong image type for '$avatar'");
}
}
$callback = $req->get_parameter('oauth_callback');
if ($callback && !common_valid_http_url($callback)) {
throw new OAuthException("Invalid callback URL '$callback'");
}
if ($callback && $callback == common_local_url('finishremotesubscribe')) {
throw new OAuthException("Callback URL '$callback' is for local site.");
}
}
# Snagged from OAuthServer
function check_version(&$req) {
$version = $req->get_parameter("oauth_version");
if (!$version) {
$version = 1.0;
}
if ($version != 1.0) {
throw new OAuthException("OAuth version '$version' not supported");
}
return $version;
}
# Snagged from OAuthServer
function get_consumer($datastore, $req) {
$consumer_key = @$req->get_parameter("oauth_consumer_key");
if (!$consumer_key) {
throw new OAuthException("Invalid consumer key");
}
$consumer = $datastore->lookup_consumer($consumer_key);
if (!$consumer) {
throw new OAuthException("Invalid consumer");
}
return $consumer;
}
# Mostly cadged from OAuthServer
function get_token($datastore, &$req, $consumer) {/*{{{*/
$token_field = @$req->get_parameter('oauth_token');
$token = $datastore->lookup_token($consumer, 'request', $token_field);
if (!$token) {
throw new OAuthException("Invalid $token_type token: $token_field");
}
return $token;
}
function check_timestamp(&$req) {
$timestamp = @$req->get_parameter('oauth_timestamp');
$now = time();
if ($now - $timestamp > TIMESTAMP_THRESHOLD) {
throw new OAuthException("Expired timestamp, yours $timestamp, ours $now");
}
}
# NOTE: don't call twice on the same request; will fail!
function check_nonce(&$datastore, &$req, $consumer, $token) {
$timestamp = @$req->get_parameter('oauth_timestamp');
$nonce = @$req->get_parameter('oauth_nonce');
$found = $datastore->lookup_nonce($consumer, $token, $nonce, $timestamp);
if ($found) {
throw new OAuthException("Nonce already used");
}
return true;
}
function check_signature(&$req, $consumer, $token) {
$signature_method = $this->get_signature_method($req);
$signature = $req->get_parameter('oauth_signature');
$valid_sig = $signature_method->check_signature($req,
$consumer,
$token,
$signature);
if (!$valid_sig) {
throw new OAuthException("Invalid signature");
}
}
function get_signature_method(&$req) {
$signature_method = @$req->get_parameter("oauth_signature_method");
if (!$signature_method) {
$signature_method = "PLAINTEXT";
}
if ($signature_method != 'HMAC-SHA1') {
throw new OAuthException("Signature method '$signature_method' not supported.");
}
return omb_hmac_sha1();
}
add standard directories Added some of the standard directories darcs-hash:20080506151729-84dde-563da8505e06a7302041c93ab157ced31165876c.gz
2008-05-07 00:17:29 +09:00
}
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