diff options
-rw-r--r-- | .gitattributes | 2 | ||||
-rw-r--r-- | config/twitter.json (renamed from config.json) | bin | 235 -> 235 bytes | |||
-rw-r--r-- | http/.htaccess | 2 | ||||
-rw-r--r-- | http/index.php | 157 | ||||
-rw-r--r-- | providers/Provider.php | 54 | ||||
-rw-r--r-- | providers/Twitter.php | 117 | ||||
-rw-r--r-- | spamlinks.db | bin | 16384 -> 53248 bytes |
7 files changed, 205 insertions, 127 deletions
diff --git a/.gitattributes b/.gitattributes index 7daec9b..18ef3a0 100644 --- a/.gitattributes +++ b/.gitattributes @@ -1 +1 @@ -config.json filter=git-crypt diff=git-crypt +config/*.json filter=git-crypt diff=git-crypt diff --git a/config.json b/config/twitter.json Binary files differindex f293625..f293625 100644 --- a/config.json +++ b/config/twitter.json diff --git a/http/.htaccess b/http/.htaccess index 9f57019..e3378e5 100644 --- a/http/.htaccess +++ b/http/.htaccess @@ -1,2 +1,2 @@ RewriteEngine On -RewriteRule (.*)/(.*).xml index.php?user=$1&format=$2 +RewriteRule (.*)/(.*).xml /index.php?format=$2&query=$1 diff --git a/http/index.php b/http/index.php index 572f857..0c7ad7a 100644 --- a/http/index.php +++ b/http/index.php @@ -1,146 +1,53 @@ <?php -$config = json_decode(file_get_contents('../config.json'), TRUE); +$format = $_REQUEST['format']; -require_once('../lib/codebird-php/src/codebird.php'); - -\Codebird\Codebird::setConsumerKey($config['key'], $config['secret']); -\Codebird\Codebird::setBearerToken($config['token']); - -$cb = \Codebird\Codebird::getInstance(); - -$user = $_GET['user']; -$spamFilter = FALSE; - -$filterMatch = []; -if (preg_match('/^(.*)\/spamfilter$/', $user, $filterMatch)) { - $user = $filterMatch[1]; - $spamFilter = TRUE; +if (!in_array($format, ['atom', 'rss'])) { + header('HTTP/1.1 400'); + die('Invalid feed format.'); } -if ($user) { - - $cacheFile = '../cache/'.$user.'.json'; - $cacheTime = file_exists($cacheFile) ? filemtime($cacheFile) : 0; +$params = explode('/', $_REQUEST['query']); - $content = ''; - if ($cacheTime > strtotime('-15 minutes')) { - $content = json_decode(file_get_contents($cacheFile)); - } - else { - $content = $cb->statuses_userTimeline([ - 'screen_name' => $user, - 'count' => 200, - 'exclude_replies' => TRUE - ], TRUE); - if (isset($content->rate)) { - unset($content->rate); - } - file_put_contents($cacheFile, json_encode($content)); - $cacheTime = time(); - } - - if ($content->httpstatus !== 200) { - header('HTTP/1.1 '.$content->httpstatus); - if (isset($content->error)) { - print $content->error; - die(); - } - if (isset($content->errors)) { - foreach ($content->errors as $error) { - print $error->message.' ('.$error->code.')<br />'; - } - die(); - } - } - - unset($content->httpstatus); +if (count($params) < 2) { + header('HTTP/1.1 400'); + die('Not enough parameters.'); +} - if ($spamFilter) { - $db = new PDO('sqlite:../spamlinks.db'); - $spamQuery = $db->prepare('SELECT id FROM spamlinks WHERE username = :name'); - $spamQuery->bindParam(':name', $user); - $spamQuery->execute(); - $spamContent = array_map( - function($row) { - return $row[0]; - }, - $spamQuery->fetchAll() - ); - $spamHashes = []; - $filteredContent = []; - foreach ($content as $c) { - if (!in_array($c->id_str, $spamContent)) { - $twitterURLs = FALSE; - $urls = array_filter( - array_map( - function($url) { - return $url->expanded_url; - }, - $c->entities->urls - ), - function($url) use(&$twitterURLs) { - $urlParts = parse_url($url); - if ($urlParts['host'] == 'twitter.com') { - $twitterURLs = TRUE; - return FALSE; - } - return TRUE; - } - ); - if (!$urls) { - if (!$twitterURLs) { - $filteredContent[] = $c; - } - } else { - sort($urls); - $urlHash = md5(implode('|', $urls)); - if (isset($filteredContent[$urlHash])) { - $spamHashes[] = $c->id_str; - } - $filteredContent[$urlHash] = $c; - } - } - } - usort($filteredContent, function($c1, $c2) { return strcmp($c1->id_str, $c2->id_str); }); - $content = $filteredContent; - if ($spamHashes) { - foreach ($spamHashes as $hash) { - $insertQuery = $db->prepare( - 'INSERT INTO spamlinks(id, username) VALUES (?, ?)' - ); - $insertQuery->bindParam(1, $hash); - $insertQuery->bindParam(2, $user); - $insertQuery->execute(); - } - } - } +$provider = ucfirst(array_shift($params)); +$feed = array_shift($params); +$parsedParams = []; +foreach ($params as $param) { + $splitParam = explode(':', $param, 2); + $parsedParams[$splitParam[0]] = count($splitParam) > 1 ? $plitParam[1] : TRUE; +} - require_once('../lib/smarty3/Smarty.class.php'); +require_once('../providers/' . $provider . '.php'); +$provider = '\\Providers\\' . $provider; +$provider = new $provider($feed, $parsedParams); +$content = $provider->get(); - $smarty = new Smarty(); - $smarty->setCacheDir('../cache/smarty'); - $smarty->setCompileDir('../cache/smarty/compile'); - $smarty->setTemplateDir('../templates'); +require_once('../lib/smarty3/Smarty.class.php'); - $smarty->assign('cacheTime', $cacheTime); - $smarty->assign('user', $user); - $smarty->assign('content', $content); +$smarty = new Smarty(); +$smarty->setCacheDir('../cache/smarty'); +$smarty->setCompileDir('../cache/smarty/compile'); +$smarty->setTemplateDir('../templates'); - $format = $_GET['format']; +$smarty->assign('cacheTime', $provider->cacheTime()); +$smarty->assign('user', $feed); +$smarty->assign('content', $provider->get()); - switch ($format) { - case 'rss': +switch ($format) { +case 'rss': header('Content-Type: application/rss+xml'); $smarty->display('rss.tpl'); break; - case 'atom': - default: +case 'atom': +default: header('Content-Type: application/atom+xml'); $smarty->display('atom.tpl'); break; - } - } ?> diff --git a/providers/Provider.php b/providers/Provider.php new file mode 100644 index 0000000..0c3f344 --- /dev/null +++ b/providers/Provider.php @@ -0,0 +1,54 @@ +<?php + +namespace Providers; + +abstract class Provider { + + protected $_options = []; + protected $_feed = NULL; + protected $_cacheTimeout = '15 minutes'; + protected $_cacheTime; + + public function __construct($feed, $options=[]) { + $this->_feed = $feed; + $this->_options = $options; + } + + abstract protected function _getCachePath(); + + protected function _getCache($path) { + return file_get_contents($path); + } + + abstract protected function _fetchItems(); + + abstract protected function _spamFilter($items); + + protected function _getItems() { + $cacheFile = sprintf($this->_getCachePath(), $this->_feed); + $this->_cacheTime = file_exists($cacheFile) ? filemtime($cacheFile) : 0; + if ($this->_cacheTime > strtotime('-' . $this->_cacheTimeout)) { + return json_decode($this->_getCache($cacheFile)); + } else { + $content = $this->_fetchItems(); + file_put_contents($cacheFile, json_encode($content)); + $this->_cacheTime = time(); + return $content; + } + } + + public function get() { + $items = $this->_getItems(); + if (isset($this->_options['spamfilter'])) { + $items = $this->_spamFilter($items); + } + return $items; + } + + public function cacheTime() { + return $this->_cacheTime; + } + +} + +?> diff --git a/providers/Twitter.php b/providers/Twitter.php new file mode 100644 index 0000000..868bb28 --- /dev/null +++ b/providers/Twitter.php @@ -0,0 +1,117 @@ +<?php + +namespace Providers; + +require_once('Provider.php'); +require_once('../lib/codebird-php/src/codebird.php'); + + +class Twitter extends \Providers\Provider { + + private $_api; + + public function __construct($feed, $options=[]) { + parent::__construct($feed, $options); + $config = json_decode(file_get_contents('../config/twitter.json'), TRUE); + \Codebird\Codebird::setConsumerKey($config['key'], $config['secret']); + \Codebird\Codebird::setBearerToken($config['token']); + $this->_api = \Codebird\Codebird::getInstance(); + } + + protected function _getCachePath() { + return '../cache/twitter.%s.json'; + } + + protected function _fetchItems() { + $content = $this->_api->statuses_userTimeline([ + 'screen_name' => $this->_feed, + 'count' => 200, + 'exclude_replies' => TRUE + ], TRUE); + if (isset($content->rate)) { + unset($content->rate); + } + + if ($content->httpstatus !== 200) { + $errorString = ''; + if (isset($content->error)) { + $errorString = $content->error; + } + if (isset($content->errors)) { + $errorString = implode('\n', array_map( + function($error) { + return $error->message . ' (' . $error->code . ')'; + }, $content->errors + )); + } + throw new Exception($errorString); + } + unset($content->httpstatus); + + return $content; + } + + protected function _spamFilter($items) { + $db = new \PDO('sqlite:../spamlinks.db'); + $spamQuery = $db->prepare('SELECT id FROM twitter WHERE username = :name'); + $spamQuery->bindParam(':name', $user); + $spamQuery->execute(); + $spamContent = array_map( + function($row) { + return $row[0]; + }, + $spamQuery->fetchAll() + ); + $spamHashes = []; + $filteredContent = []; + foreach ($items as $c) { + if (!in_array($c->id_str, $spamContent)) { + $twitterURLs = FALSE; + $urls = array_filter( + array_map( + function($url) { + return $url->expanded_url; + }, + $c->entities->urls + ), + function($url) use(&$twitterURLs) { + $urlParts = parse_url($url); + if ($urlParts['host'] == 'twitter.com') { + $twitterURLs = TRUE; + return FALSE; + } + return TRUE; + } + ); + if (!$urls) { + if (!$twitterURLs) { + $filteredContent[] = $c; + } + } else { + sort($urls); + $urlHash = md5(implode('|', $urls)); + if (isset($filteredContent[$urlHash])) { + $spamHashes[] = $c->id_str; + } + $filteredContent[$urlHash] = $c; + } + } + } + usort($filteredContent, function($c1, $c2) { return strcmp($c1->id_str, $c2->id_str); }); + $content = $filteredContent; + if ($spamHashes) { + foreach ($spamHashes as $hash) { + $insertQuery = $db->prepare( + 'INSERT INTO twitter(id, username) VALUES (?, ?)' + ); + $insertQuery->bindParam(1, $hash); + $insertQuery->bindParam(2, $user); + $insertQuery->execute(); + } + } + return $content; + } + +} + +?> diff --git a/spamlinks.db b/spamlinks.db Binary files differindex d26a64f..cdd3e1e 100644 --- a/spamlinks.db +++ b/spamlinks.db |