HW4. PHP WebServers Full

.docker/balancer/Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:latest
+
+WORKDIR /var/www
+
+RUN apt-get update \
+	&&  apt-get install -y nginx
+
+COPY ./hosts/trusted-brackets.local.conf /etc/nginx/sites-enabled/trusted-brackets.local.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

.docker/balancer/hosts/trusted-brackets.local.conf

@@ -0,0 +1,14 @@
+upstream balancer {
+	server webserver1;
+    server webserver2;
+}
+
+server {
+    listen 80;
+    server_name trusted-brackets.local;
+
+    location / {
+        proxy_set_header Host $host;
+        proxy_pass http://balancer;
+    }
+}

.docker/nginx/Dockerfile

@@ -0,0 +1,10 @@
+FROM ubuntu:latest
+
+RUN apt-get update && apt-get install -y nginx
+
+COPY ./hosts/trusted-brackets.local.conf /etc/nginx/sites-enabled/trusted-brackets.local.conf
+
+WORKDIR /var/www/trusted-bracets.local
+VOLUME /var/www/trusted-bracets.local
+
+CMD [ "nginx", "-g", "daemon off;"]

.docker/nginx/hosts/trusted-brackets.local.conf

@@ -0,0 +1,33 @@
+upstream php_upstream {
+    server brackets-php1:9000;
+    server brackets-php2:9000;
+}
+
+
+server {
+    listen 80;
+    index index.php index.html index.htm;
+    server_name trusted-brackets.local;
+    root /var/www/trusted-brackets.local;
+    error_log  /var/log/nginx/error.log;
+    access_log /var/log/nginx/access.log;
+
+    location ~* .(jpg|jpeg|gif|css|png|js|html)$ {
+        access_log off;
+	expires max;
+    }
+
+    location / {
+	    try_files $uri $uri/ /index.php?$query_string;
+    }
+
+     location ~* .php$ {
+            try_files $uri = 404;
+            fastcgi_split_path_info ^(.+.php)(/.+)$;
+            fastcgi_pass php_upstream;
+            fastcgi_index index.php;
+            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+            include fastcgi_params;
+        }
+
+}

.docker/php/Dockerfile

@@ -0,0 +1,30 @@
+FROM php:7.4-fpm
+
+RUN apt-get update && apt-get install -y \
+        curl \
+        wget \
+        git \
+        libfreetype6-dev \
+        libjpeg62-turbo-dev \
+        libpng-dev \
+        libonig-dev \
+        libzip-dev \
+        libmcrypt-dev \
+        libmemcached-dev\
+        && pecl install mcrypt-1.0.3 \
+	&& docker-php-ext-enable mcrypt \
+        && docker-php-ext-install -j$(nproc) iconv mbstring mysqli pdo_mysql zip \
+	&& docker-php-ext-configure gd --with-freetype --with-jpeg \
+        && docker-php-ext-install -j$(nproc) gd \
+        && pecl install memcached \
+        && docker-php-ext-enable memcached
+
+RUN php -r "readfile('http://getcomposer.org/installer');" | php -- --install-dir=/usr/local/bin/ --filename=composer
+
+COPY ./php.ini /usr/local/etc/php/conf.d/php-custom.ini
+
+WORKDIR /var/www/trusted-brackets.local
+
+VOLUME /var/www/trusted-brackets.local
+
+CMD ["php-fpm"]

.docker/php/php.ini

@@ -0,0 +1,3 @@
+session.save_handler = memcached
+session.save_path = "memcached1:11211"
+session.auto_start = 1

.gitignore

@@ -2,3 +2,4 @@
 vendor
 .env
 dbdata
+

README.md

@@ -1,3 +1,22 @@
 # PHP2021
 
 https://otus.ru/lessons/razrabotchik-php/?utm_source=github&utm_medium=free&utm_campaign=otus
+
+## HW-4. PHP-Webservers
+
+###Нет ключа "string"
+![No key](screenshots/no_key.png)
+
+
+###Нет ключа "string"
+![empty string](screenshots/empty_string.png)
+
+
+###Неверные символы строки
+![invalid_chars](screenshots/invalid_chars.png)
+
+###Разное количество скобок
+![not_equals](screenshots/not_equals.png)
+
+###Тест пройден
+![success](screenshots/success.png)

docker-compose.yaml

@@ -0,0 +1,97 @@
+version: "3"
+services:
+
+  balancer:
+    build:
+      context: .docker/balancer
+      dockerfile: Dockerfile
+    container_name: brackets-balancer
+    ports:
+      - "80:80"
+    depends_on:
+      - webserver1
+      - webserver2
+    networks:
+      - trusted-brackets
+
+
+  webserver1:
+    build:
+      context: .docker/nginx
+      dockerfile: Dockerfile
+    container_name: webserver1
+    ports:
+      - "3000:80"
+    depends_on:
+      - php1
+      - php2
+    volumes:
+      - ./src:/var/www/trusted-brackets.local
+    networks:
+      - trusted-brackets
+
+  webserver2:
+    build:
+      context: .docker/nginx
+      dockerfile: Dockerfile
+    container_name: webserver2
+    ports:
+      - "3001:80"
+    depends_on:
+      - php1
+      - php2
+    volumes:
+      - ./src:/var/www/trusted-brackets.local
+    networks:
+      - trusted-brackets
+
+  php1:
+    build:
+      context: ./.docker/php
+      dockerfile: Dockerfile
+    image: myapp/php
+    container_name: brackets-php1
+    volumes:
+      - ./src:/var/www/trusted-brackets.local
+    networks:
+      - trusted-brackets
+
+  php2:
+    build:
+      context: ./.docker/php
+      dockerfile: Dockerfile
+    image: myapp/php
+    container_name: brackets-php2
+    volumes:
+      - ./src:/var/www/trusted-brackets.local
+    networks:
+      - trusted-brackets
+
+
+  memcached1:
+    image: oktec/repcached:latest
+    container_name: brackets-memcached1
+    restart: unless-stopped
+    environment:
+      SLAVE: memcached2
+    ports:
+      - "11221:11211"
+    networks:
+      - trusted-brackets
+
+
+  memcached2:
+    image: oktec/repcached:latest
+    container_name: brackets-memcached2
+    restart: unless-stopped
+    environment:
+      SLAVE: memcached1
+    ports:
+      - "11222:11211"
+    networks:
+      - trusted-brackets
+
+
+networks:
+  trusted-brackets:
+    driver: bridge

src/app/App.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Ivanboriev\TrustedBrackets;
+
+
+use Ivanboriev\TrustedBrackets\Exceptions\BadRequestMethodException;
+use Ivanboriev\TrustedBrackets\Exceptions\InvalidArgumentException;
+use Ivanboriev\TrustedBrackets\Request\Request;
+use Ivanboriev\TrustedBrackets\Response\Response;
+use Ivanboriev\TrustedBrackets\Validator\Rules\EndsWithRule;
+use Ivanboriev\TrustedBrackets\Validator\Rules\EqualsRule;
+use Ivanboriev\TrustedBrackets\Validator\Rules\NotEmptyRule;
+use Ivanboriev\TrustedBrackets\Validator\Rules\OnlyRule;
+use Ivanboriev\TrustedBrackets\Validator\Rules\RequiredRule;
+use Ivanboriev\TrustedBrackets\Validator\Rules\StartsWithRule;
+use Ivanboriev\TrustedBrackets\Validator\Validator;
+
+class App
+{
+    private Request $request;
+
+    private Validator $validator;
+
+
+
+    public function __construct()
+    {
+        $this->request = new Request;
+
+        $this->validator = new Validator;
+    }
+
+
+    /**
+     * @throws BadRequestMethodException
+     * @throws InvalidArgumentException
+     */
+    public function run(): void
+    {
+        if (!$this->request->isPost()) {
+            throw new BadRequestMethodException;
+        }
+
+        $this->validator->make($this->request->payload(), [
+            'string' => [
+                new RequiredRule,
+                new NotEmptyRule,
+                new OnlyRule(['(', ')']),
+                new StartsWithRule('('),
+                new EndsWithRule(')'),
+                new EqualsRule('(', ')')
+            ]
+        ]);
+
+        if ($this->validator->fails()) {
+            throw new InvalidArgumentException($this->validator->error());
+        }
+
+        Response::success("Bracket pair test passed!");
+
+    }
+
+}

src/app/Exceptions/BadRequestMethodException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Ivanboriev\TrustedBrackets\Exceptions;
+
+class BadRequestMethodException extends \Exception
+{
+    public $message = 'Bad request method! Available methods: [POST]';
+}

src/app/Exceptions/InvalidArgumentException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Ivanboriev\TrustedBrackets\Exceptions;
+
+class InvalidArgumentException extends \Exception
+{
+
+}

src/app/Request/Request.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Ivanboriev\TrustedBrackets\Request;
+
+class Request
+{
+    private string $method;
+
+    private static string $contentType;
+
+    private array $payload = [];
+
+    public function __construct()
+    {
+        $this->method = $_SERVER['REQUEST_METHOD'];
+        self::$contentType = $_SERVER['CONTENT_TYPE'];
+        $this->payload = self::getPayload($this->method);
+    }
+
+
+    /**
+     * @param $method
+     * @return array|mixed
+     */
+    private static function getPayload($method)
+    {
+        if ($method === "GET") {
+            return $_GET;
+        }
+
+        if ($method === "POST") {
+            return self::$contentType === 'application/json' ? json_decode(file_get_contents('php://input'), true) : $_POST;
+        }
+
+        return [];
+    }
+
+    /**
+     * @return mixed|string
+     */
+    public function method()
+    {
+        return $this->method;
+    }
+
+    /**
+     * @return array|mixed
+     */
+    public function payload()
+    {
+        return $this->payload;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isPost(): bool
+    {
+        return $this->method() === "POST";
+    }
+}