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Diffstat (limited to 'addon/statusnet/statusnet.php')
| -rw-r--r-- | addon/statusnet/statusnet.php | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/addon/statusnet/statusnet.php b/addon/statusnet/statusnet.php new file mode 100644 index 000000000..b1d330541 --- /dev/null +++ b/addon/statusnet/statusnet.php @@ -0,0 +1,243 @@ +<?php + +/* StatusNet Plugin for Friendika + * + * Author: Tobias Diekershoff + * tobias.diekershoff@gmx.net + * + * License:3-clause BSD license (same as Friendika) + * + * Configuration: + * To activate the plugin itself add it to the $a->config['system']['addon'] + * setting. After this, your user can configure their Twitter account settings + * from "Settings -> Plugin Settings". + * + * Requirements: PHP5, curl [Slinky library] + * + * Documentation: http://diekershoff.homeunix.net/redmine/wiki/friendikaplugin/StatusNet_Plugin + */ + +/* __TODO__ + * + * - what about multimedia content? + * so far we just strip HTML tags from the message + */ + + +/*** + * We have to alter the TwitterOAuth class a little bit to work with any StatusNet + * installation abroad. Basically it's only make the API path variable and be happy. + * + * Thank you guys for the Twitter compatible API! + */ +require_once('addon/twitter/twitteroauth.php'); +class StatusNetOAuth extends TwitterOAuth { + function get_maxlength() { + $config = $this->get($this->host . 'statusnet/config.json'); + return $config->site->textlimit; + } + function accessTokenURL() { return $this->host.'oauth/access_token'; } + function authenticateURL() { return $this->host.'oauth/authenticate'; } + function authorizeURL() { return $this->host.'oauth/authorize'; } + function requestTokenURL() { return $this->host.'oauth/request_token'; } + function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) { + parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret); + $this->host = $apipath; + } +} + +function statusnet_install() { + // we need some hooks, for the configuration and for sending tweets + register_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings'); + register_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post'); + register_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook'); + logger("installed statusnet"); +} + + +function statusnet_uninstall() { + unregister_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings'); + unregister_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post'); + unregister_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook'); +} + +function statusnet_settings_post ($a,$post) { + if(! local_user()) + return; + if (isset($_POST['statusnet-disconnect'])) { + /*** + * if the statusnet-disconnect checkbox is set, clear the statusnet configuration + * TODO can we revoke the access tokens at Twitter and do we need to do so? + */ + del_pconfig( local_user(), 'statusnet', 'consumerkey' ); + del_pconfig( local_user(), 'statusnet', 'consumersecret' ); + del_pconfig( local_user(), 'statusnet', 'post' ); + del_pconfig( local_user(), 'statusnet', 'oauthtoken' ); + del_pconfig( local_user(), 'statusnet', 'oauthsecret' ); + del_pconfig( local_user(), 'statusnet', 'baseapi' ); + } else { + if (isset($_POST['statusnet-consumersecret'])) { + set_pconfig(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']); + set_pconfig(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']); + set_pconfig(local_user(), 'statusnet', 'baseapi', $_POST['statusnet-baseapi']); + header('Location: '.$a->get_baseurl().'/settings/addon'); + } else { + if (isset($_POST['statusnet-pin'])) { + // if the user supplied us with a PIN from Twitter, let the magic of OAuth happen + logger('got a StatusNet security code'); + $api = get_pconfig(local_user(), 'statusnet', 'baseapi'); + $ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' ); + $csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' ); + // the token and secret for which the PIN was generated were hidden in the settings + // form as token and token2, we need a new connection to Twitter using these token + // and secret to request a Access Token with the PIN + $connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']); + $token = $connection->getAccessToken( $_POST['statusnet-pin'] ); + // ok, now that we have the Access Token, save them in the user config + set_pconfig(local_user(),'statusnet', 'oauthtoken', $token['oauth_token']); + set_pconfig(local_user(),'statusnet', 'oauthsecret', $token['oauth_token_secret']); + set_pconfig(local_user(),'statusnet', 'post', 1); + // reload the Addon Settings page, if we don't do it see Bug #42 + header('Location: '.$a->get_baseurl().'/settings/addon'); + } else { + // if no PIN is supplied in the POST variables, the user has changed the setting + // to post a tweet for every new __public__ posting to the wall + set_pconfig(local_user(),'statusnet','post',intval($_POST['statusnet-enable'])); + }}} +} +function statusnet_settings(&$a,&$s) { + if(! local_user()) + return; + $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n"; + /*** + * 1) Check that we have a base api url and a consumer key & secret + * 2) If no OAuthtoken & stuff is present, generate button to get some + * 3) Checkbox for "Send public notices (respect size limitation) + */ + $api = get_pconfig(local_user(), 'statusnet', 'baseapi'); + $ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' ); + $csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' ); + $otoken = get_pconfig(local_user(), 'statusnet', 'oauthtoken' ); + $osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' ); + $enabled = get_pconfig(local_user(), 'statusnet', 'post'); + $checked = (($enabled) ? ' checked="checked" ' : ''); + $s .= '<h3>'.t('StatusNet Posting Settings').'</h3>'; + + if ( (!$ckey) && (!$csecret) ) { + /*** + * no consumer keys + */ + $s .= '<p>'.t('No consumer key pair for StatusNet found. Register your Friendika Account as an desktop client on your StatusNet account, copy the consumer key pair here and enter the API base root.<br />Before you register your own OAuth key pair ask the administrator if there is already a key pair for this Friendika installation at your favorited StatusNet installation.').'</p>'; + $s .= '<div id="statusnet-consumer-wrapper">'; + $s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">OAuth Consumer Key</label>'; + $s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />'; + $s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">OAuth Consumer Secret</label>'; + $s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />'; + $s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">Base API Path (remember the trailing /)</label>'; + $s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />'; + $s .= '</div><div class="clear"></div>'; + $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>'; + } else { + /*** + * ok we have a consumer key pair now look into the OAuth stuff + */ + if ( (!$otoken) && (!$osecret) ) { + /*** + * the user has not yet connected the account to statusnet + * get a temporary OAuth key/secret pair and display a button with + * which the user can request a PIN to connect the account to a + * account at statusnet + */ + $connection = new StatusNetOAuth($api, $ckey, $csecret); + $request_token = $connection->getRequestToken('oob'); + $token = $request_token['oauth_token']; + /*** + * make some nice form + */ + $s .= '<p>'.t('To connect to your StatusNet account click the button below to get a security code from StatusNet which you have to copy into the input box below and submit the form. Only your <strong>public</strong> posts will be posted to StatusNet.').'</p>'; + $s .= '<a href="'.$connection->getAuthorizeURL($token,False).'" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="'.t('Log in with StatusNet').'"></a>'; + $s .= '<div id="statusnet-pin-wrapper">'; + $s .= '<label id="statusnet-pin-label" for="statusnet-pin">'.t('Copy the PIN from StatusNet here').'</label>'; + $s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />'; + $s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="'.$token.'" />'; + $s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="'.$request_token['oauth_token_secret'].'" />'; + $s .= '</div><div class="clear"></div>'; + $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>'; + } else { + /*** + * we have an OAuth key / secret pair for the user + * so let's give a chance to disable the postings to statusnet + */ + $connection = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret); + $details = $connection->get('account/verify_credentials'); + $s .= '<div id="statusnet-info" ><img id="statusnet-avatar" src="'.$details->profile_image_url.'" /><p id="statusnet-info-block">'.t('Currently connected to: ').'<a href="'.$details->statusnet_profile_url.'" target="_statusnet">'.$details->screen_name.'</a><br /><em>'.$details->description.'</em></p></div>'; + $s .= '<p>'.t('If enabled all your <strong>public</strong> postings will be posted to the associated StatusNet account as well.').'</p>'; + $s .= '<div id="statusnet-enable-wrapper">'; + $s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">'.t('Send public postings to StatusNet').'</label>'; + $s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>'; + $s .= '</div><div class="clear"></div>'; + $s .= '<div id="statusnet-disconnect-wrapper">'; + $s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">'.t('Clear OAuth configuration').'</label>'; + $s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />'; + $s .= '</div><div class="clear"></div>'; + $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>'; + } + } + $s .= '</div><div class="clear"></div>'; +} + + +function statusnet_post_hook(&$a,&$b) { + + /** + * Post to statusnet + */ + + logger('StatusNet post invoked'); + + if((local_user()) && (local_user() == $b['uid']) && (! $b['private'])) { + + load_pconfig(local_user(), 'statusnet'); + + $api = get_pconfig(local_user(), 'statusnet', 'baseapi'); + $ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' ); + $csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' ); + $otoken = get_pconfig(local_user(), 'statusnet', 'oauthtoken' ); + $osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' ); + + if($ckey && $csecret && $otoken && $osecret) { + + $statusnet_post = get_pconfig(local_user(),'statusnet','post'); + + if($statusnet_post) { + require_once('include/bbcode.php'); + $dent = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret); + $max_char = $dent->get_maxlength(); // max. length for a dent + $msg = strip_tags(bbcode($b['body'])); + if ( strlen($msg) > $max_char) { + $shortlink = ""; + require_once('addon/statusnet/slinky.php'); + // post url = base url + /display/ + owner + post id + // we construct this from the Owner link and replace + // profile by display - this will cause an error when + // /profile/ is in the owner url twice but I don't + // think this will be very common... + $posturl = str_replace('/profile/','/display/',$b['owner-link']).'/'.$b['id']; + $slinky = new Slinky( $posturl ); + // setup a cascade of shortening services + // try to get a short link from these services + // in the order ur1.ca, trim, id.gd, tinyurl + $slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) ); + $shortlink = $slinky->short(); + // the new message will be shortened such that "... $shortlink" + // will fit into the character limit + $msg = substr($msg, 0, $max_char-strlen($shortlink)-4); + $msg .= '... ' . $shortlink; + } + // and now tweet it :-) + $dent->post('statuses/update', array('status' => $msg)); + } + } + } +} + |