From 68f5ac77ee0ca7788c7c48681ad2067de2af427b Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Mon, 16 Jan 2017 17:32:19 +0100
Subject:  * new structure, for multiple providers

---
 http/.htaccess |   2 +-
 http/index.php | 157 ++++++++++++---------------------------------------------
 2 files changed, 33 insertions(+), 126 deletions(-)

(limited to 'http')

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;
-  }
-
 }
 
 ?>
-- 
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