diff options
author | Andrew Dolgov <[email protected]> | 2019-08-15 16:27:53 +0300 |
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committer | Andrew Dolgov <[email protected]> | 2019-08-15 16:27:53 +0300 |
commit | de5669f723152bee265bcca7fb11557f75a2331c (patch) | |
tree | bcd3864962a2ad5d11ed3fe9cb07e6b73bb41801 /plugins/af_zz_imgproxy | |
parent | 7f8946f14e0e9e11e8ed8bec650f941cb8afdb1b (diff) |
af_zz_imgproxy: rename to af_proxy_http, use priority hook loader
Diffstat (limited to 'plugins/af_zz_imgproxy')
-rwxr-xr-x | plugins/af_zz_imgproxy/init.php | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/plugins/af_zz_imgproxy/init.php b/plugins/af_zz_imgproxy/init.php deleted file mode 100755 index ddc30936f..000000000 --- a/plugins/af_zz_imgproxy/init.php +++ /dev/null @@ -1,263 +0,0 @@ -<?php -class Af_Zz_ImgProxy extends Plugin { - - /* @var PluginHost $host */ - private $host; - - /* @var DiskCache $cache */ - private $cache; - - function about() { - return array(1.0, - "Load insecure images via built-in proxy", - "fox"); - } - - private $ssl_known_whitelist = "imgur.com gfycat.com i.reddituploads.com pbs.twimg.com i.redd.it i.sli.mg media.tumblr.com"; - - function is_public_method($method) { - return $method === "imgproxy"; - } - - function init($host) { - $this->host = $host; - $this->cache = new DiskCache("images"); - - $host->add_hook($host::HOOK_RENDER_ARTICLE, $this); - $host->add_hook($host::HOOK_RENDER_ARTICLE_CDM, $this); - $host->add_hook($host::HOOK_ENCLOSURE_ENTRY, $this); - - $host->add_hook($host::HOOK_PREFS_TAB, $this); - } - - function hook_enclosure_entry($enc) { - if (preg_match("/image/", $enc["content_type"])) { - $proxy_all = $this->host->get($this, "proxy_all"); - - $enc["content_url"] = $this->rewrite_url_if_needed($enc["content_url"], $proxy_all); - } - - return $enc; - } - - function hook_render_article($article) { - return $this->hook_render_article_cdm($article); - } - - public function imgproxy() { - - $url = rewrite_relative_url(get_self_url_prefix(), $_REQUEST["url"]); - - // called without user context, let's just redirect to original URL - if (!$_SESSION["uid"]) { - header("Location: $url"); - return; - } - - $local_filename = sha1($url); - - if ($this->cache->exists($local_filename)) { - header("Location: " . $this->cache->getUrl($local_filename)); - return; - //$this->cache->send($local_filename); - } else { - $data = fetch_file_contents(["url" => $url, "max_size" => MAX_CACHE_FILE_SIZE]); - - if ($data) { - - $disable_cache = $this->host->get($this, "disable_cache"); - - if (!$disable_cache) { - if ($this->cache->put($local_filename, $data)) { - header("Location: " . $this->cache->getUrl($local_filename)); - return; - } - } - - print $data; - } else { - global $fetch_last_error; - global $fetch_last_error_code; - global $fetch_last_error_content; - - if (function_exists("imagecreate") && !isset($_REQUEST["text"])) { - $img = imagecreate(450, 75); - - /*$bg =*/ imagecolorallocate($img, 255, 255, 255); - $textcolor = imagecolorallocate($img, 255, 0, 0); - - imagerectangle($img, 0, 0, 450-1, 75-1, $textcolor); - - imagestring($img, 5, 5, 5, "Proxy request failed", $textcolor); - imagestring($img, 5, 5, 30, truncate_middle($url, 46, "..."), $textcolor); - imagestring($img, 5, 5, 55, "HTTP Code: $fetch_last_error_code", $textcolor); - - header("Content-type: image/png"); - print imagepng($img); - imagedestroy($img); - - } else { - header("Content-type: text/html"); - - http_response_code(400); - - print "<h1>Proxy request failed.</h1>"; - print "<p>Fetch error $fetch_last_error ($fetch_last_error_code)</p>"; - print "<p>URL: $url</p>"; - print "<textarea cols='80' rows='25'>" . htmlspecialchars($fetch_last_error_content) . "</textarea>"; - } - } - } - } - - private function rewrite_url_if_needed($url, $all_remote = false) { - /* we don't need to handle URLs where local cache already exists, tt-rss rewrites those automatically */ - if (!$this->cache->exists(sha1($url))) { - - $scheme = parse_url($url, PHP_URL_SCHEME); - - if ($all_remote) { - $host = parse_url($url, PHP_URL_HOST); - $self_host = parse_url(get_self_url_prefix(), PHP_URL_HOST); - - $is_remote = $host != $self_host; - } else { - $is_remote = false; - } - - if (($scheme != 'https' && $scheme != "") || $is_remote) { - if (strpos($url, "data:") !== 0) { - $parts = parse_url($url); - - foreach (explode(" " , $this->ssl_known_whitelist) as $host) { - if (substr(strtolower($parts['host']), -strlen($host)) === strtolower($host)) { - $parts['scheme'] = 'https'; - $url = build_url($parts); - if ($all_remote && $is_remote) { - break; - } else { - return $url; - } - } - } - - return get_self_url_prefix() . "/public.php?op=pluginhandler&plugin=af_zz_imgproxy&pmethod=imgproxy&url=" . - urlencode($url); - } - } - } - - return $url; - } - - /** - * @SuppressWarnings(PHPMD.UnusedFormalParameter) - */ - function hook_render_article_cdm($article, $api_mode = false) { - - $need_saving = false; - $proxy_all = $this->host->get($this, "proxy_all"); - - $doc = new DOMDocument(); - if (@$doc->loadHTML('<?xml encoding="UTF-8">' . $article["content"])) { - $xpath = new DOMXPath($doc); - $imgs = $xpath->query("//img[@src]"); - - foreach ($imgs as $img) { - $new_src = $this->rewrite_url_if_needed($img->getAttribute("src"), $proxy_all); - - if ($new_src != $img->getAttribute("src")) { - $img->setAttribute("src", $new_src); - $img->removeAttribute("srcset"); - - $need_saving = true; - } - } - - $vids = $xpath->query("(//video|//picture)"); - - foreach ($vids as $vid) { - if ($vid->hasAttribute("poster")) { - $new_src = $this->rewrite_url_if_needed($vid->getAttribute("poster"), $proxy_all); - - if ($new_src != $vid->getAttribute("poster")) { - $vid->setAttribute("poster", $new_src); - - $need_saving = true; - } - } - - $vsrcs = $xpath->query("source", $vid); - - foreach ($vsrcs as $vsrc) { - $new_src = $this->rewrite_url_if_needed($vsrc->getAttribute("src"), $proxy_all); - - if ($new_src != $vsrc->getAttribute("src")) { - $vid->setAttribute("src", $new_src); - - $need_saving = true; - } - } - } - } - - if ($need_saving) $article["content"] = $doc->saveHTML(); - - return $article; - } - - function hook_prefs_tab($args) { - if ($args != "prefFeeds") return; - - print "<div dojoType=\"dijit.layout.AccordionPane\" - title=\"<i class='material-icons'>extension</i> ".__('Image proxy settings (af_zz_imgproxy)')."\">"; - - print "<form dojoType=\"dijit.form.Form\">"; - - print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\"> - evt.preventDefault(); - if (this.validate()) { - console.log(dojo.objectToQuery(this.getValues())); - new Ajax.Request('backend.php', { - parameters: dojo.objectToQuery(this.getValues()), - onComplete: function(transport) { - Notify.info(transport.responseText); - } - }); - //this.reset(); - } - </script>"; - - print_hidden("op", "pluginhandler"); - print_hidden("method", "save"); - print_hidden("plugin", "af_zz_imgproxy"); - - $proxy_all = $this->host->get($this, "proxy_all"); - print_checkbox("proxy_all", $proxy_all); - print " <label for=\"proxy_all\">" . __("Enable proxy for all remote images.") . "</label><br/>"; - - $disable_cache = $this->host->get($this, "disable_cache"); - print_checkbox("disable_cache", $disable_cache); - print " <label for=\"disable_cache\">" . __("Don't cache files locally.") . "</label>"; - - print "<p>"; print_button("submit", __("Save")); - - print "</form>"; - - print "</div>"; - } - - function save() { - $proxy_all = checkbox_to_sql_bool($_POST["proxy_all"]); - $disable_cache = checkbox_to_sql_bool($_POST["disable_cache"]); - - $this->host->set($this, "proxy_all", $proxy_all, false); - $this->host->set($this, "disable_cache", $disable_cache); - - echo __("Configuration saved"); - } - - function api_version() { - return 2; - } -} |