initial features draft

.gitignore

@@ -0,0 +1,4 @@
+/vendor/
+/host/*/
+
+composer.lock

README.md

@@ -1,2 +1,30 @@
 # geminiapp
-Application for Gemini Protocol
+
+KevaChat Application for Gemini Protocol
+
+## Roadmap
+
+* [x] Multiple host support
+* [x] Room list
+* [ ] Room threads
+* [ ] Post publication
+* [ ] Media viewer
+* [ ] Users auth
+* [x] Error handlers
+
+## Install
+
+`git clone https://github.com/kevachat/geminiapp.git`
+`cd geminiapp`
+`composer update`
+
+## Setup
+
+* `mkdir host/127.0.0.1`
+* `cp example/config.json host/127.0.0.1/config.json`
+* `cp host/127.0.0.1`
+* `openssl req -x509 -newkey rsa:4096 -keyout key.rsa -out cert.pem -days 365 -nodes -subj "/CN=127.0.0.1"`
+
+## Start
+
+* `php src/server.php`

composer.json

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+{
+    "name": "kevachat/geminiapp",
+    "description": "KevaChat Application for Gemini Protocol",
+    "type": "project",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "Kevachat\\Geminiapp\\": "src/"
+        }
+    },
+    "require": {
+        "yggverse/titan-ii": "^1.0",
+        "kevachat/kevacoin": "^1.6"
+    }
+}

example/config.json

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+{
+    "kevacoin":
+    {
+        "server":
+        {
+            "protocol":"http",
+            "host":"127.0.0.1",
+            "port":9992,
+            "username":"",
+            "password":""
+        }
+    },
+    "gemini":
+    {
+        "server":
+        {
+            "host":"127.0.0.1",
+            "port":1965
+        }
+    },
+    "kevachat":
+    {
+        "room":
+        {
+            "pin":[]
+        },
+        "post":
+        {
+            "key":
+            {
+                "regex":"/^([\\d]+)@([A-z0-9\\.\\:\\[\\]]+)$/"
+            },
+            "value":
+            {
+                "regex":"/.*/ui"
+            }
+        },
+        "user":
+        {
+            "name":
+            {
+                "regex":"/^[0-9A-z-]{2,16}$/ui"
+            }
+        }
+    }
+}

host/.gitignore

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+/*/

logo.ascii

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+
+  _  __                ____ _           _
+ | |/ /_____   ____ _ / ___| |__   __ _| |_
+ | ' // _ \ \ / / _` | |   | '_ \ / _` | __|
+ | . \  __/\ V / (_| | |___| | | | (_| | |_
+ |_|\_\___| \_/ \__,_|\____|_| |_|\__,_|\__|

src/controller/error.php

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+<?php
+
+namespace Kevachat\Geminiapp\Controller;
+
+class Error
+{
+    private $_config;
+
+    public function __construct($config)
+    {
+        $this->_config = $config;
+    }
+
+    public function oops()
+    {
+        return str_replace(
+            [
+                '{logo}',
+                '{home}'
+            ],
+            [
+                file_get_contents(
+                    __DIR__ . '/../../logo.ascii'
+                ),
+                (
+                    $this->_config->gemini->server->port == 1965 ?
+                    sprintf(
+                        'gemini://%s',
+                        $this->_config->gemini->server->host
+                    ) :
+                    sprintf(
+                        'gemini://%s:%d',
+                        $this->_config->gemini->server->host,
+                        $this->_config->gemini->server->port
+                    )
+                )
+            ],
+            file_get_contents(
+                __DIR__ . '/../view/oops.gemini'
+            )
+        );
+    }
+}

src/controller/room.php

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+<?php
+
+namespace Kevachat\Geminiapp\Controller;
+
+class Room
+{
+    private $_config;
+
+    private \Kevachat\Kevacoin\Client $_kevacoin;
+
+    public function __construct($config)
+    {
+        // Init config
+        $this->_config = $config;
+
+        // Init kevacoin
+        $this->_kevacoin = new \Kevachat\Kevacoin\Client(
+            $this->_config->kevacoin->server->protocol,
+            $this->_config->kevacoin->server->host,
+            $this->_config->kevacoin->server->port,
+            $this->_config->kevacoin->server->username,
+            $this->_config->kevacoin->server->password
+        );
+    }
+
+    public function list(): string
+    {
+        // Get room list
+        $namespaces = [];
+
+        foreach ((array) $this->_kevacoin->kevaListNamespaces() as $namespace)
+        {
+            // Skip system namespaces
+            if (str_starts_with($namespace['displayName'], '_'))
+            {
+                continue;
+            }
+
+            // Calculate room totals
+            $total = 0;
+
+            foreach ((array) $this->_kevacoin->kevaFilter($namespace['namespaceId']) as $record)
+            {
+                // Skip values with meta keys
+                if (str_starts_with($record['key'], '_'))
+                {
+                    continue;
+                }
+
+                // Validate value format allowed in settings
+                if (!preg_match((string) $this->_config->kevachat->post->value->regex, $record['value']))
+                {
+                    continue;
+                }
+
+                // Validate key format allowed in settings
+                if (!preg_match($this->_config->kevachat->post->key->regex, $record['key'], $matches))
+                {
+                    continue;
+                }
+
+                // Timestamp required in key
+                if (empty($matches[1]))
+                {
+                    continue;
+                }
+
+                // Username required in key
+                if (empty($matches[2]))
+                {
+                    continue;
+                }
+
+                // Legacy usernames backport (used to replace undefined names to @anon)
+                /*
+                if (!preg_match((string) $this->_config->kevachat->user->name->regex, $matches[2]))
+                {}
+                */
+
+                $total++;
+            }
+
+            // Add to room list
+            $namespaces[] =
+            [
+                'namespace' => $namespace['namespaceId'],
+                'name'      => $namespace['displayName'],
+                'total'     => $total,
+                'pin'       => in_array(
+                    $namespace['namespaceId'],
+                    $this->_config->kevachat->room->pin
+                )
+            ];
+        }
+
+        // Sort rooms by total
+        array_multisort(
+            array_column(
+                $namespaces,
+                'total'
+            ),
+            SORT_DESC,
+            $namespaces
+        );
+
+        // Build rooms view
+        $view = file_get_contents(
+            __DIR__ . '/../view/room.gemini'
+        );
+
+        $rooms = [];
+        foreach ($namespaces as $namespace)
+        {
+            $rooms[] = str_replace(
+                [
+                    '{name}',
+                    '{total}',
+                    '{link}'
+                ],
+                [
+                    $namespace['name'],
+                    $namespace['total'],
+                    (
+                        $this->_config->gemini->server->port == 1965 ?
+                        sprintf(
+                            'gemini://%s/room/%s',
+                            $this->_config->gemini->server->host,
+                            $namespace['namespace']
+                        ) :
+                        sprintf(
+                            'gemini://%s:%d/%s',
+                            $this->_config->gemini->server->host,
+                            $this->_config->gemini->server->port,
+                            $namespace['namespace']
+                        )
+                    )
+                ],
+                $view
+            );
+        }
+
+        // Build final view and send to response
+        return str_replace(
+            [
+                '{logo}',
+                '{rooms}'
+            ],
+            [
+                file_get_contents(
+                    __DIR__ . '/../../logo.ascii'
+                ),
+                implode(
+                    PHP_EOL,
+                    $rooms
+                )
+            ],
+            file_get_contents(
+                __DIR__ . '/../view/rooms.gemini'
+            )
+        );
+    }
+}

src/server.php

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+<?php
+
+// Load dependencies
+require_once __DIR__ . '/../vendor/autoload.php';
+
+// Scan host
+foreach ((array) scandir(__DIR__ . '/../host') as $host)
+{
+    // Skip meta
+    if ($host == '.' || $host == '..' || is_file($host))
+    {
+        continue;
+    }
+
+    // Check host configured
+    if (!file_exists(__DIR__ . '/../host/' . $host . '/config.json'))
+    {
+        echo sprintf(
+            _('Host "%s" not configured!') . PHP_EOL,
+            $host
+        );
+
+        continue;
+    }
+
+    // Check cert exists
+    if (!file_exists(__DIR__ . '/../host/' . $host . '/cert.pem'))
+    {
+        echo sprintf(
+            _('Certificate for host "%s" not found!') . PHP_EOL,
+            $host
+        );
+
+        continue;
+    }
+
+    // Check key exists
+    if (!file_exists(__DIR__ . '/../host/' . $host . '/key.rsa'))
+    {
+        echo sprintf(
+            _('Key for host "%s" not found!') . PHP_EOL,
+            $host
+        );
+
+        continue;
+    }
+
+    // Init config
+    $config = json_decode(
+        file_get_contents(
+            __DIR__ . '/../host/' . $host . '/config.json'
+        )
+    );
+
+    // Init server
+    $server = new \Yggverse\TitanII\Server();
+
+    $server->setCert(
+        __DIR__ . '/../host/' . $host . '/cert.pem'
+    );
+
+    $server->setKey(
+        __DIR__ . '/../host/' . $host . '/key.rsa'
+    );
+
+    $server->setHandler(
+        function (\Yggverse\TitanII\Request $request): \Yggverse\TitanII\Response
+        {
+            global $config;
+
+            $response = new \Yggverse\TitanII\Response();
+
+            $response->setCode(
+                20
+            );
+
+            $response->setMeta(
+                'text/gemini'
+            );
+
+            // Route begin
+            switch ($request->getPath())
+            {
+                // Home page
+                case '/':
+
+                    // Get rooms list
+                    include_once __DIR__ . '/controller/room.php';
+
+                    $room = new \Kevachat\Geminiapp\Controller\Room(
+                        $config
+                    );
+
+                    $response->setContent(
+                        $room->list()
+                    );
+
+                    return $response;
+
+                // Dynamical requests
+                default:
+
+                    if (str_starts_with($request->getPath(), '/room/'))
+                    {
+                        // @TODO
+                    }
+            }
+
+            // Set default response
+            include_once __DIR__ . '/controller/error.php';
+
+            $error = new \Kevachat\Geminiapp\Controller\Error(
+                $config
+            );
+
+            $response->setContent(
+                $error->oops()
+            );
+
+            return $response;
+        }
+    );
+
+    // Start server
+    echo sprintf(
+        _('Start server "%s" started on %s:%d') . PHP_EOL,
+        $host,
+        $config->gemini->server->host,
+        $config->gemini->server->port
+    );
+
+    $server->start(
+        $config->gemini->server->host,
+        $config->gemini->server->port
+    );
+}

src/view/oops.gemini

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+```{logo}```
+
+# Oops!
+
+This page could not be opened
+
+Just try from
+
+=> {home}

src/view/post.gemini

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+## {author}
+
+> {quote}
+
+``` {time}
+
+{message}

src/view/room.gemini

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+## {name} ({total})
+
+=> {link}

src/view/rooms.gemini

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+```{logo}```
+
+# Rooms
+
+{rooms}