Shaarli plugin for Gemini capsules shaaring.
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3.6 KiB

1 year ago
<?php
/**
* shaargem
*
* This plugin provides gemini support
*/
use Shaarli\Config\ConfigManager;
use Shaarli\Plugin\PluginManager;
use Shaarli\Render\TemplatePage;
/**
* In the footer hook, there is a working example of a translation extension for Shaarli.
*
* The extension must be attached to a new translation domain (i.e. NOT 'shaarli').
* Use case: any custom theme or non official plugin can use the translation system.
*
* See the documentation for more information.
*/
const EXT_TRANSLATION_DOMAIN = 'shaargem';
/*
* This is not necessary, but it's easier if you don't want Poedit to mix up your translations.
*/
function shaargem_plugin_t($text, $nText = '', $nb = 1)
{
return t($text, $nText, $nb, EXT_TRANSLATION_DOMAIN);
}
/**
* Initialization function.
* It will be called when the plugin is loaded.
* This function can be used to return a list of initialization errors.
*
* @param $conf ConfigManager instance.
*
* @return array List of errors (optional).
*/
function shaargem_plugin_init($conf)
{
if (! $conf->exists('translation.extensions.shaargem')) {
// Custom translation with the domain 'shaargem'
$conf->set('translation.extensions.shaargem', 'plugins/shaargem/languages/');
$conf->write(true);
}
$errors[] = 'This a shaargem init error.';
return $errors;
}
/**
* Hook render_editlink.
*
* Template placeholders:
* - field_plugin: add link fields after tags.
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_shaargem_render_editlink($data)
{
$ret=preg_match(",gemini://(.*)?/?(.*),", $data['link']['url'] ,$domain);
error_log("ret:".$ret);
if ($ret)
{
$stream_context = stream_context_create([ 'ssl' => [
'verify_peer' => false,
'verify_peer_name' => false,
'allow_self_signed' => true,
'verify_depth' => 0 ]]);
$fp = stream_socket_client("tls://".$domain[1].":1965", $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $stream_context);
if (!$fp) {
error_log("$errstr ($errno)");
} else {
fwrite($fp, $data['link']['url']."\r\n");
$header = fgets($fp,1024);
error_log("header:".$header);
if (strstr($header, "20 text/gemini"))
{
$data['link']['title'] = substr(fgets($fp,1024),2,-1);
}
else
{
error_log("[shaargem] invalid response:".$header);
}
fclose($fp);
}
}
return $data;
}
/**
* Hook savelink.
*
* Triggered when a link is save (new or edit).
* All new links now contain a 'stuff' value.
*
* @param array $data contains the new link data.
*
* @return array altered $data.
*/
function hook_shaargem_save_link($data)
{
// ugly hack to get scheme
if(isset($_POST['lf_url'])) {
if(strstr($_POST['lf_url'],"gemini://"))
{
$new_url = str_replace("http://","gemini://",$data['url']);
$data['url'] = $new_url;
}
}
return $data;
}
/**
* Hook render_linklist.
*
* Template placeholders:
* - action_plugin: next to 'private only' button.
* - plugin_start_zone: page start
* - plugin_end_zone: page end
* - link_plugin: icons below each links.
*
* Data:
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_shaargem_render_linklist($data)
{
foreach ($data['links'] as &$value) {
$value['description'] = preg_replace(',gemini://([\d\w\.\+\-@\:%._\~#=/]+),','<a href="gemini://\1">gemini://\1</a>',$value['description']);
}
return $data;
}
/**
* This function is never called, but contains translation calls for GNU gettext extraction.
*/
function shaargem_dummy_translation()
{
// meta
t('Provides Gemini protocol support.');
}