初始化仓库及v1.0.0提交

app/Controllers/AuthController.php

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+<?php
+
+namespace App\Controllers;
+
+use App\Models\User;
+use App\Config\AppConfig;
+use Firebase\JWT\JWT;
+use Firebase\JWT\Key;
+
+class AuthController
+{
+    public static function login(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+        $username = $input['username'] ?? '';
+        $password = $input['password'] ?? '';
+
+        if (!$username || !$password) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '用户名和密码不能为空']);
+            return;
+        }
+
+        $user = User::findByUsername($username);
+        if (!$user || !User::verifyPassword($username, $password)) {
+            http_response_code(401);
+            echo json_encode(['success' => false, 'message' => '用户名或密码错误']);
+            return;
+        }
+
+        $jwtSecret = AppConfig::get('jwtSecret');
+        $jwtExpiry = AppConfig::get('jwtExpiry', 86400);
+
+        $payload = [
+            'userId' => $user['id'],
+            'username' => $user['username'],
+            'role' => $user['role'],
+            'iat' => time(),
+            'exp' => time() + $jwtExpiry
+        ];
+
+        $token = JWT::encode($payload, $jwtSecret, 'HS256');
+
+        echo json_encode([
+            'success' => true,
+            'data' => [
+                'token' => $token,
+                'user' => [
+                    'id' => $user['id'],
+                    'username' => $user['username'],
+                    'role' => $user['role']
+                ]
+            ]
+        ]);
+    }
+
+    public static function me(): void
+    {
+        $user = $GLOBALS['auth_user'];
+        echo json_encode([
+            'success' => true,
+            'data' => [
+                'id' => $user['userId'],
+                'username' => $user['username'],
+                'role' => $user['role']
+            ]
+        ]);
+    }
+}

app/Controllers/ChatController.php

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+<?php
+
+namespace App\Controllers;
+
+use App\Models\Config;
+use App\Services\AIService;
+
+class ChatController
+{
+    public static function completions(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+
+        $provider = $input['provider'] ?? '';
+        $model = $input['model'] ?? '';
+        $messages = $input['messages'] ?? [];
+        $stream = $input['stream'] ?? true;
+        $systemPrompt = $input['systemPrompt'] ?? '';
+        $thinkingMode = $input['thinkingMode'] ?? false;
+
+        if (!$provider || !$model || !$messages) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '缺少必要参数（provider、model、messages）']);
+            return;
+        }
+
+        if (!is_array($messages) || empty($messages)) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => 'messages 必须是非空数组']);
+            return;
+        }
+
+        // 获取供应商配置
+        $configRow = Config::getByKey('providers');
+        if (!$configRow) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '未找到供应商配置']);
+            return;
+        }
+
+        $providers = json_decode($configRow['config_value'], true);
+        if (!is_array($providers)) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '供应商配置格式错误']);
+            return;
+        }
+
+        $providerKey = $provider;
+        if (!isset($providers[$providerKey])) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '供应商不存在: ' . $providerKey]);
+            return;
+        }
+
+        $providerConfig = $providers[$providerKey];
+        if (empty($providerConfig['enabled'])) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '供应商已禁用: ' . $providerKey]);
+            return;
+        }
+
+        $models = $providerConfig['models'] ?? [];
+        if (!empty($models) && !in_array($model, $models)) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '模型不在供应商支持列表中: ' . $model]);
+            return;
+        }
+
+        // 非流式模式暂不支持
+        if (!$stream) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '当前仅支持流式响应']);
+            return;
+        }
+
+        // 设置 SSE 响应头
+        header('Content-Type: text/event-stream');
+        header('Cache-Control: no-cache');
+        header('Connection: keep-alive');
+        header('X-Accel-Buffering: no');
+
+        // 关闭输出缓冲
+        while (ob_get_level()) {
+            ob_end_flush();
+        }
+
+        $options = [
+            'provider' => $providerConfig,
+            'systemPrompt' => $systemPrompt,
+            'thinkingMode' => (bool) $thinkingMode
+        ];
+
+        try {
+            AIService::streamChat($providerKey, $model, $messages, $options, function ($chunk, $type = 'content') {
+                if ($type === 'thinking') {
+                    self::sendSSE(['thinking' => $chunk]);
+                } else {
+                    self::sendSSE(['content' => $chunk]);
+                }
+            });
+
+            self::sendSSE('[DONE]');
+        } catch (\Throwable $e) {
+            self::sendSSE(['type' => 'error', 'message' => $e->getMessage()]);
+        }
+    }
+
+    private static function sendSSE($data): void
+    {
+        if (is_string($data)) {
+            echo "data: " . $data . "\n\n";
+        } else {
+            echo "data: " . json_encode($data, JSON_UNESCAPED_UNICODE) . "\n\n";
+        }
+        flush();
+    }
+}

app/Controllers/ConfigController.php

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+<?php
+
+namespace App\Controllers;
+
+use App\Models\Config;
+use App\Models\Personality;
+
+class ConfigController
+{
+    public static function getConfig(): void
+    {
+        $configRow = Config::getByKey('providers');
+        $providers = $configRow ? json_decode($configRow['config_value'], true) : [];
+        echo json_encode(['success' => true, 'data' => ['providers' => $providers]]);
+    }
+
+    public static function updateConfig(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+        $providers = $input['providers'] ?? [];
+
+        if (!is_array($providers)) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => 'providers 必须是数组']);
+            return;
+        }
+
+        Config::setByKey('providers', json_encode($providers, JSON_UNESCAPED_UNICODE));
+        echo json_encode(['success' => true, 'message' => '配置更新成功']);
+    }
+
+    public static function listPersonalities(): void
+    {
+        $personalities = Personality::findAll();
+        echo json_encode(['success' => true, 'data' => $personalities]);
+    }
+
+    public static function createPersonality(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+        $name = $input['name'] ?? '';
+        $prompt = $input['prompt'] ?? '';
+
+        if (!$name || !$prompt) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '名称和提示词不能为空']);
+            return;
+        }
+
+        $data = [
+            'name' => $name,
+            'prompt' => $prompt,
+            'description' => $input['description'] ?? null,
+            'icon' => $input['icon'] ?? null,
+            'is_preset' => 0,
+            'created_by' => $GLOBALS['auth_user']['userId']
+        ];
+
+        $personality = Personality::create($data);
+        echo json_encode(['success' => true, 'data' => $personality]);
+    }
+
+    public static function updatePersonality($id): void
+    {
+        $personality = Personality::findById($id);
+        if (!$personality) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '人格不存在']);
+            return;
+        }
+        if ($personality['is_preset']) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '预设人格不可编辑']);
+            return;
+        }
+
+        $input = json_decode(file_get_contents('php://input'), true);
+        $data = array_filter([
+            'name' => $input['name'] ?? null,
+            'prompt' => $input['prompt'] ?? null,
+            'description' => $input['description'] ?? null,
+            'icon' => $input['icon'] ?? null,
+        ], fn($v) => $v !== null);
+
+        $updated = Personality::update($id, $data);
+        echo json_encode(['success' => true, 'data' => $updated]);
+    }
+
+    public static function deletePersonality($id): void
+    {
+        $personality = Personality::findById($id);
+        if (!$personality) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '人格不存在']);
+            return;
+        }
+        if ($personality['is_preset']) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '预设人格不可删除']);
+            return;
+        }
+
+        Personality::delete($id);
+        echo json_encode(['success' => true, 'message' => '删除成功']);
+    }
+}

app/Controllers/InstallController.php

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+<?php
+
+namespace App\Controllers;
+
+use App\Services\Installer;
+use App\Config\AppConfig;
+use App\Config\Database;
+use App\Models\User;
+use App\Models\Config;
+
+class InstallController
+{
+    public static function status(): void
+    {
+        $installed = Installer::isInstalled();
+        echo json_encode(['success' => true, 'data' => ['installed' => $installed]]);
+    }
+
+    public static function testDb(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+        $host = $input['host'] ?? '';
+        $port = $input['port'] ?? 3306;
+        $user = $input['user'] ?? '';
+        $password = $input['password'] ?? '';
+        $database = $input['database'] ?? '';
+
+        if (!$host || !$user || !$database) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '缺少必要参数']);
+            return;
+        }
+
+        try {
+            $dsn = "mysql:host={$host};port={$port};dbname={$database};charset=utf8mb4";
+            $pdo = new \PDO($dsn, $user, $password, [
+                \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION
+            ]);
+            echo json_encode(['success' => true, 'message' => '数据库连接成功']);
+        } catch (\PDOException $e) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '数据库连接失败: ' . $e->getMessage()]);
+        }
+    }
+
+    public static function setup(): void
+    {
+        if (Installer::isInstalled()) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '系统已安装，不能重复安装']);
+            return;
+        }
+
+        $input = json_decode(file_get_contents('php://input'), true);
+        $username = $input['username'] ?? '';
+        $password = $input['password'] ?? '';
+        $dbConfig = $input['dbConfig'] ?? [];
+        $providers = $input['providers'] ?? [];
+
+        if (!$username || !$password) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '用户名和密码不能为空']);
+            return;
+        }
+        if (strlen($password) < 6) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '密码长度不能少于6位']);
+            return;
+        }
+        if (!$dbConfig || !$dbConfig['host'] || !$dbConfig['user'] || !$dbConfig['database']) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '请填写数据库配置']);
+            return;
+        }
+        if (!is_array($providers) || count($providers) === 0) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '请至少配置一个AI服务提供商']);
+            return;
+        }
+
+        try {
+            $dsn = "mysql:host={$dbConfig['host']};port=" . ($dbConfig['port'] ?? 3306) . ";dbname={$dbConfig['database']};charset=utf8mb4";
+            $pdo = new \PDO($dsn, $dbConfig['user'], $dbConfig['password'], [\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION]);
+        } catch (\PDOException $e) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '数据库连接失败: ' . $e->getMessage()]);
+            return;
+        }
+
+        $configDir = __DIR__ . '/../../config';
+        file_put_contents($configDir . '/db-config.json', json_encode($dbConfig, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
+
+        try {
+            Installer::runMigration();
+        } catch (\Exception $e) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '数据库迁移失败: ' . $e->getMessage()]);
+            return;
+        }
+
+        Installer::seedDefaults();
+
+        $admin = User::create(['username' => $username, 'password' => $password, 'role' => 'admin']);
+
+        $jwtSecret = bin2hex(random_bytes(32));
+        AppConfig::set('jwtSecret', $jwtSecret);
+        AppConfig::set('jwtExpiry', 86400);
+        AppConfig::set('corsOrigin', '');
+
+        Config::setByKey('providers', json_encode($providers));
+
+        echo json_encode([
+            'success' => true,
+            'message' => '安装成功',
+            'data' => ['user' => $admin]
+        ]);
+    }
+}

app/Controllers/MessageController.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Controllers;
+
+use App\Models\Session;
+use App\Models\Message;
+
+class MessageController
+{
+    public static function index(int $sessionId): void
+    {
+        $user = $GLOBALS['auth_user'];
+        $session = Session::findById($sessionId);
+        if (!$session || $session['user_id'] != $user['userId']) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '会话不存在']);
+            return;
+        }
+        $messages = Message::findBySessionId($sessionId);
+        echo json_encode(['success' => true, 'data' => $messages]);
+    }
+
+    public static function create(int $sessionId): void
+    {
+        $user = $GLOBALS['auth_user'];
+        $session = Session::findById($sessionId);
+        if (!$session || $session['user_id'] != $user['userId']) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '会话不存在']);
+            return;
+        }
+
+        $input = json_decode(file_get_contents('php://input'), true);
+
+        if (empty($input['role']) || !isset($input['content']) || $input['content'] === '') {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => 'role 和 content 为必填字段']);
+            return;
+        }
+
+        $data = [
+            'session_id' => $sessionId,
+            'role' => $input['role'],
+            'content' => $input['content'],
+        ];
+
+        if (isset($input['file_info'])) {
+            $data['file_info'] = $input['file_info'];
+        }
+        if (isset($input['thinking_content'])) {
+            $data['thinking_content'] = $input['thinking_content'];
+        }
+
+        $message = Message::create($data);
+        echo json_encode(['success' => true, 'data' => $message]);
+    }
+}

app/Controllers/SessionController.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Controllers;
+
+use App\Models\Session;
+
+class SessionController
+{
+    public static function index(): void
+    {
+        $user = $GLOBALS['auth_user'];
+        $sessions = Session::findByUserId($user['userId']);
+        echo json_encode(['success' => true, 'data' => $sessions]);
+    }
+
+    public static function create(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+        $user = $GLOBALS['auth_user'];
+
+        $data = [
+            'user_id' => $user['userId'],
+            'name' => $input['name'] ?? '新会话',
+            'provider' => $input['provider'] ?? 'newapi',
+            'model' => $input['model'] ?? 'gpt-3.5-turbo',
+            'system_prompt' => $input['system_prompt'] ?? '',
+            'thinking_mode' => $input['thinking_mode'] ?? false,
+        ];
+
+        if (isset($input['personality_id'])) {
+            $data['personality_id'] = $input['personality_id'];
+        }
+
+        $session = Session::create($data);
+        echo json_encode(['success' => true, 'data' => $session]);
+    }
+
+    public static function update(int $id): void
+    {
+        $session = Session::findById($id);
+        if (!$session) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '会话不存在']);
+            return;
+        }
+
+        $user = $GLOBALS['auth_user'];
+        if ($session['user_id'] != $user['userId']) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '会话不存在']);
+            return;
+        }
+
+        $input = json_decode(file_get_contents('php://input'), true);
+
+        $allowedFields = ['name', 'provider', 'model', 'system_prompt', 'personality_id', 'thinking_mode'];
+        $data = [];
+        foreach ($allowedFields as $field) {
+            if (isset($input[$field])) {
+                $data[$field] = $input[$field];
+            }
+        }
+
+        Session::update($id, $data);
+        $updatedSession = Session::findById($id);
+        echo json_encode(['success' => true, 'data' => $updatedSession]);
+    }
+
+    public static function delete(int $id): void
+    {
+        $session = Session::findById($id);
+        if (!$session) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '会话不存在']);
+            return;
+        }
+
+        $user = $GLOBALS['auth_user'];
+        if ($session['user_id'] != $user['userId']) {
+            http_response_code(404);
+            echo json_encode(['success' => false, 'message' => '会话不存在']);
+            return;
+        }
+
+        Session::delete($id);
+        echo json_encode(['success' => true, 'message' => '删除成功']);
+    }
+}

app/Controllers/UploadController.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Controllers;
+
+class UploadController
+{
+    public static function upload(): void
+    {
+        if (!isset($_FILES['file']) || $_FILES['file']['error'] !== UPLOAD_ERR_OK) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '请选择要上传的文件']);
+            return;
+        }
+
+        $file = $_FILES['file'];
+        $allowedTypes = [
+            'jpg', 'jpeg', 'png', 'gif', 'webp',
+            'js', 'ts', 'py', 'java', 'cpp', 'c', 'html', 'css', 'json', 'xml',
+            'txt', 'md', 'go', 'rs', 'php', 'rb', 'sql', 'yaml', 'yml', 'sh', 'bat'
+        ];
+
+        $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
+
+        if (!in_array($ext, $allowedTypes)) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '不支持的文件类型: .' . $ext]);
+            return;
+        }
+
+        if ($file['size'] > 10 * 1024 * 1024) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '文件大小不能超过10MB']);
+            return;
+        }
+
+        $filename = uniqid() . '.' . $ext;
+        $uploadDir = __DIR__ . '/../../uploads/';
+        $filepath = $uploadDir . $filename;
+
+        if (!move_uploaded_file($file['tmp_name'], $filepath)) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '文件上传失败']);
+            return;
+        }
+
+        echo json_encode([
+            'success' => true,
+            'data' => [
+                'url' => '/uploads/' . $filename,
+                'name' => $file['name'],
+                'size' => $file['size'],
+                'type' => $ext
+            ]
+        ]);
+    }
+}