Add JWT authorization functionality.

Tryiing to fix Jenkins.

.gitignore

@@ -1,2 +1,4 @@
 project_context.txt
 shagram.db
+deploy/shagram/nginx/certs/*.pem
+deploy/shagram/.env

Dockerfile

@@ -1,20 +1,22 @@
 FROM golang:1.25.5-alpine AS builder
-
+RUN apk add --no-cache build-base ca-certificates
-RUN apk add --no-cache build-base
 WORKDIR /app
+
 COPY go.mod go.sum ./
-RUN go mod download
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
+
 COPY . .
-RUN CGO_ENABLED=1 GOOS=linux go build -a -installsuffix cgo -o shagram ./cmd/server
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    CGO_ENABLED=1 GOOS=linux go build -o shagram ./cmd/server
 
 FROM alpine:latest
-RUN apk --no-cache add ca-certificates sqlite-libs
+RUN apk add --no-cache ca-certificates sqlite-libs sqlite
-
 WORKDIR /app
 COPY --from=builder /app/shagram .
 COPY static ./static
 COPY migrations ./migrations
 RUN mkdir -p /app/data
-
 EXPOSE 8080
 CMD ["./shagram"]

Jenkinsfile

@@ -0,0 +1,99 @@
+pipeline {
+  agent { label 'docker-agent' }
+
+  options {
+    skipDefaultCheckout(true)
+    timestamps()
+  }
+
+  environment {
+    REGISTRY     = "158.160.92.116:8085"
+    REGISTRY_PROJECT = "shagram"
+    IMAGE_NAME   = "shagram"
+    DEPLOY_DIR   = "/opt/shagram/shagram/deploy/shagram"
+    COMPOSE_FILE = "${WORKSPACE}/deploy/shagram/compose.yaml"
+  }
+
+  stages {
+    stage('Checkout') {
+      steps {
+        checkout scm
+        sh '''
+          set -eux
+          git reset --hard
+          git clean -xffd
+        '''
+      }
+    }
+
+    stage('Detect branch') {
+      steps {
+        script {
+          env.GIT_BRANCH = sh(
+            script: "git name-rev --name-only --refs=refs/remotes/origin/* HEAD | sed 's#^remotes/##' | head -n1",
+            returnStdout: true
+          ).trim()
+          echo "Detected branch: ${env.GIT_BRANCH}"
+        }
+      }
+    }
+
+    stage('Build image') {
+      steps {
+        script {
+          env.GIT_SHA = sh(script: "git rev-parse --short HEAD", returnStdout: true).trim()
+          // итоговый тег для Harbor
+          env.APP_IMAGE = "${REGISTRY}/${REGISTRY_PROJECT}/${IMAGE_NAME}:${env.GIT_SHA}"
+        }
+        sh '''
+          set -eux
+          # собираем локальный образ без registry
+          docker build -t "${IMAGE_NAME}:${GIT_SHA}" .
+        '''
+      }
+    }
+
+    stage('Login & Push to Harbor') {
+      steps {
+        withCredentials([usernamePassword(
+          credentialsId: 'harbor-creds',
+          usernameVariable: 'HARBOR_USER',
+          passwordVariable: 'HARBOR_PASS'
+        )]) {
+          sh '''
+            set -eux
+            echo "$HARBOR_PASS" | docker login "$REGISTRY" -u "$HARBOR_USER" --password-stdin
+            docker tag "${IMAGE_NAME}:${GIT_SHA}" "${APP_IMAGE}"
+            docker push "${APP_IMAGE}"
+          '''
+        }
+      }
+    }
+
+    stage('Test') {
+      steps {
+        sh 'echo "Testing..."'
+      }
+    }
+
+    stage('Deploy') {
+      when {
+        expression { env.GIT_BRANCH == 'origin/main' }
+      }
+      steps {
+        sh '''
+          set -eux
+
+          mkdir -p "$DEPLOY_DIR"
+          cat > "$DEPLOY_DIR/.env" <<EOF
+APP_IMAGE=${APP_IMAGE}
+EOF
+
+          docker compose -f "$COMPOSE_FILE" --project-directory "$DEPLOY_DIR" pull
+          docker compose -f "$COMPOSE_FILE" --project-directory "$DEPLOY_DIR" up -d --remove-orphans
+          docker compose -f "$COMPOSE_FILE" --project-directory "$DEPLOY_DIR" ps
+        '''
+      }
+    }
+  }
+}

cmd/server/main.go

@@ -3,16 +3,23 @@ package main
 import (
 	"log"
 	"net/http"
+	"os"
 	"shagram/internal/api"
+	"shagram/internal/auth"
 	"shagram/internal/db"
 	"shagram/internal/models"
 	"shagram/internal/websocket"
+	"time"
 
 	"github.com/gin-gonic/gin"
 )
 
 func main() {
-	database, err := db.NewDB("/app/data/shagram.db")
+	dbPath := os.Getenv("DATABASE_PATH")
+	if dbPath == "" {
+		dbPath = "/app/data/shagram.db"
+	}
+	database, err := db.NewDB(dbPath)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -24,6 +31,27 @@ func main() {
 
 	router := gin.Default()
 
+	router.POST("/api/auth/login", func(c *gin.Context) {
+		var req struct {
+			Username string `json:"username"`
+		}
+		if err := c.ShouldBindJSON(&req); err != nil || req.Username == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "username required"})
+			return
+		}
+
+		token, err := auth.NewAccessToken(req.Username, time.Hour)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+
+		c.JSON(200, gin.H{"access_token": token})
+	})
+	router.GET("/api/me", auth.Middleware(), func(c *gin.Context) {
+		username := c.GetString(auth.CtxUsernameKey)
+		c.JSON(200, gin.H{"username": username})
+	})
 	router.GET("/ws/:room", func(c *gin.Context) {
 		api.WebSocketHandler(hub, database)(c)
 	})

deploy/shagram/compose.yaml

@@ -0,0 +1,27 @@
+services:
+  shagram:
+    image: ${APP_IMAGE:-shagram:local}
+    build:
+      context: ../..
+    container_name: shagram-app
+    environment:
+      - DATABASE_PATH=/app/data/shagram.db
+      - JWT_SECRET=${JWT_SECRET}
+    volumes:
+      - shagram_data:/app/data
+    expose:
+      - "8080"
+
+  nginx:
+    image: nginx:alpine
+    container_name: shagram-nginx
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./nginx/conf.d:/etc/nginx/conf.d:ro
+      - ./nginx/certs:/etc/nginx/certs:ro
+    depends_on:
+      - shagram
+volumes:
+  shagram_data:

deploy/shagram/nginx/certs/README.md

@@ -0,0 +1,34 @@
+# TLS Certificates for Nginx (Development / Self-Signed)
+
+In production, TLS certificates are typically issued by a trusted Certificate Authority (for example, via Let’s Encrypt).
+For local development and demo environments, a self-signed certificate can be used.
+
+## Generate a self-signed certificate (Linux/macOS)
+From the repository root:
+
+```bash
+mkdir -p deploy/shagram/nginx/certs
+
+openssl req -x509 -newkey rsa:4096 \
+  -keyout deploy/shagram/nginx/certs/key.pem \
+  -out deploy/shagram/nginx/certs/cert.pem \
+  -sha256 -days 365 -nodes \
+  -subj "/C=RU/ST=Moscow/L=Korolyov/O=Shagram/CN=localhost"
+```
+
+## Verify
+```bash
+openssl x509 -in deploy/shagram/nginx/certs/cert.pem -noout -text | head
+```
+
+## Usage
+The Nginx configuration expects:
+- `deploy/shagram/nginx/certs/cert.pem`
+- `deploy/shagram/nginx/certs/key.pem`
+
+Start the deployment:
+
+```bash
+cd deploy/shagram
+docker compose up -d
+```

docker-compose.yml

@@ -1,26 +0,0 @@
-version: '3.8'
-
-services:
-  shagram:
-    build: .
-    ports:
-      - "8080"
-    volumes:
-      - ./data:/app/data
-      - ./static:/app/static
-      - ./migrations:/app/migrations
-    environment:
-      - DATABASE_PATH=/app/shagram.db
-    container_name: shagram-app
-
-  nginx:
-    image: nginx:alpine
-    ports:
-      - "80:80"
-      - "443:443"
-    volumes:
-      - ./nginx/conf.d/default.conf:/etc/nginx/conf.d/default.conf
-      - ./nginx/certs:/etc/nginx/certs
-    depends_on:
-      - shagram
-    container_name: shagram-nginx

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/go-playground/validator/v10 v10.27.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/goccy/go-yaml v1.18.0 // indirect
+	github.com/golang-jwt/jwt/v5 v5.3.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect

go.sum

@@ -22,6 +22,8 @@ github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
 github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
+github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
+github.com/golang-jwt/jwt/v5 v5.3.0/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=

infra/jenkins/README.md

@@ -0,0 +1,78 @@
+# Jenkins (Controller + Docker Agent) Setup (Docker Compose)
+
+This directory contains a minimal Jenkins setup using a dedicated **controller** and a separate inbound **agent** intended for Docker-based workloads.
+
+The goal is to keep the controller responsible for orchestration and configuration, while all builds run on the agent labeled `docker`.
+
+## Prerequisites
+- Docker Engine installed on the host
+- Docker Compose available as `docker compose`
+- A host directory `/opt/shagram` (used by pipelines as a shared location for source code and deployment files)
+
+## Start Jenkins
+From the repository root:
+
+```bash
+cd infra/jenkins
+docker compose up -d
+docker compose ps
+```
+
+Jenkins UI will be available at:
+
+- http://<server-ip>:8080
+
+### Initial admin password
+Retrieve the initial password with:
+
+```bash
+docker exec -it jenkins-controller cat /var/jenkins_home/secrets/initialAdminPassword
+```
+
+## Disable builds on the built-in node (Executors = 0)
+To ensure builds do not run on the controller:
+
+1. Open Jenkins UI
+2. Go to: **Manage Jenkins → Manage Nodes and Clouds**
+3. Open **Built-In Node → Configure**
+4. Set **Number of executors** to `0`
+5. Save
+
+## Create an inbound agent node (docker-agent)
+Create a dedicated node for running pipelines:
+
+1. Go to: **Manage Jenkins → Manage Nodes and Clouds → New Node**
+2. Set:
+   - **Node name**: `docker-agent`
+   - **Type**: Permanent Agent
+   - **Remote root directory**: `/home/jenkins/agent`
+   - **Labels**: `docker`
+   - **Usage**: Only build jobs with label expressions matching this node
+3. Save
+
+After saving, open the agent page:
+
+- **Manage Nodes and Clouds → docker-agent**
+
+On that page, Jenkins provides the inbound connection details, including the **secret** required by the inbound agent container.
+
+## Configure the agent secret in Compose
+Edit `infra/jenkins/compose.yaml` and replace:
+
+- `JENKINS_SECRET=__PASTE_ME__`
+
+with the real secret value shown on the `docker-agent` node page.
+
+Restart only the agent container:
+
+```bash
+docker compose up -d --force-recreate jenkins-agent-docker
+docker logs -f jenkins-agent-docker
+```
+
+## Verification
+- In Jenkins UI: **Manage Nodes and Clouds**, the node `docker-agent` should be **Online**
+- Any pipeline using `agent { label 'docker' }` should execute on this agent
+
+## Security note
+The Docker agent container mounts `/var/run/docker.sock`, which effectively grants high-level control over the Docker host. Use this setup only in trusted environments and limit access to Jenkins accordingly.

infra/jenkins/compose.yaml

@@ -0,0 +1,37 @@
+services:
+  jenkins-controller:
+    image: jenkins/jenkins:lts-jdk17
+    container_name: jenkins-controller
+    ports:
+      - "8080:8080"
+    volumes:
+      - jenkins_home:/var/jenkins_home
+    restart: unless-stopped
+  
+  jenkins-agent-docker:
+    image: jenkins/inbound-agent:latest-jdk17
+    container_name: jenkins-agent-docker
+    user: "1000:1000"
+    group_add:
+      - "988"
+    environment:
+      - JENKINS_URL=http://jenkins-controller:8080
+      - JENKINS_AGENT_NAME=docker-agent
+      - JENKINS_SECRET=0c92dc0b807b3c7213cd2abcec4f88182aa8f4fb2233ca9c674f17fd771fe662
+      - AGENT_WORKDIR=/home/jenkins/agent
+    volumes:
+      - agent_workdir:/home/jenkins/agent
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /usr/bin/docker:/usr/bin/docker
+      - /usr/libexec/docker/cli-plugins:/usr/libexec/docker/cli-plugins:ro
+      - /opt/shagram:/opt/shagram
+
+    restart: unless-stopped
+    depends_on:
+      - jenkins-controller
+
+volumes:
+  jenkins_home:
+    external: true
+    name: jenkins_jenkins_home
+  agent_workdir:

internal/auth/jwt.go

@@ -0,0 +1,64 @@
+package auth
+
+import (
+	"errors"
+	"os"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type Claims struct {
+	Username string `json:"username"`
+	jwt.RegisteredClaims
+}
+
+func secret() ([]byte, error) {
+	s := os.Getenv("JWT_SECRET")
+	if s == "" {
+		return nil, errors.New("JWT_SECRET is not set")
+	}
+	return []byte(s), nil
+}
+
+func NewAccessToken(username string, ttl time.Duration) (string, error) {
+	key, err := secret()
+	if err != nil {
+		return "", err
+	}
+	now := time.Now()
+	claims := Claims{
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			Subject:   username,
+			IssuedAt:  jwt.NewNumericDate(now),
+			ExpiresAt: jwt.NewNumericDate(now.Add(ttl)),
+		},
+	}
+
+	t := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return t.SignedString(key)
+}
+
+func ParseAccessToken(tokenString string) (*Claims, error) {
+	key, err := secret()
+	if err != nil {
+		return nil, err
+	}
+
+	token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (any, error) {
+		return key, nil
+	},
+		jwt.WithValidMethods([]string{jwt.SigningMethodHS256.Alg()}),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	claims, ok := token.Claims.(*Claims)
+	if !ok || !token.Valid {
+		return nil, errors.New("invalid token")
+	}
+
+	return claims, nil
+}

internal/auth/middleware.go

@@ -0,0 +1,41 @@
+package auth
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+const CtxUsernameKey = "username"
+
+func Middleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		h := c.GetHeader("Authorization")
+		if h == "" {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "missing Authorization header"})
+			return
+		}
+
+		const prefix = "Bearer "
+		if !strings.HasPrefix(h, prefix) {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "expected Bearer token"})
+			return
+		}
+
+		raw := strings.TrimSpace(strings.TrimPrefix(h, prefix))
+		if raw == "" {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "empty token"})
+			return
+		}
+
+		claims, err := ParseAccessToken(raw)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
+			return
+		}
+
+		c.Set(CtxUsernameKey, claims.Username)
+		c.Next()
+	}
+}

nginx/certs/cert.pem

@@ -1,22 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDjzCCAnegAwIBAgIUG1Qc10mXTy5+Zuh1COAK6fqAl34wDQYJKoZIhvcNAQEL
-BQAwVzELMAkGA1UEBhMCUlUxDzANBgNVBAgMBk1vc2NvdzERMA8GA1UEBwwIS29y
-b2x5b3YxEDAOBgNVBAoMB1NoYWdyYW0xEjAQBgNVBAMMCWxvY2FsaG9zdDAeFw0y
-NjAxMTQwMTMxNDhaFw0yNzAxMTQwMTMxNDhaMFcxCzAJBgNVBAYTAlJVMQ8wDQYD
-VQQIDAZNb3Njb3cxETAPBgNVBAcMCEtvcm9seW92MRAwDgYDVQQKDAdTaGFncmFt
-MRIwEAYDVQQDDAlsb2NhbGhvc3QwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK
-AoIBAQDLOB4WybryG6Cc4yU+2PPrLiM/tt15HMVp0TgcA277vofYFd90IArihbmG
-KEaKYyZplUzxk55RRNS6BaAroZb0AWEg8cOid83gbnuKKaIUhjz/CDADPnnRWynb
-PHjVuvIBtPLgyunbtB6U7a6JLP2nA8XaTcDFtLrhy8PTKFZ9fLRBXzxW8ZvNnL4i
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-sjttf6EFWs9XTiAOIbKC4M8VbOrfZjXFz45ljD0tZNziJ2g61lmdJAV8ElwZ6SDP
-fGTwGjWj5Qx9Lg7qdFqjVyE0QFBJAgMBAAGjUzBRMB0GA1UdDgQWBBSd7S5Xngb4
-9eeBbmTCslblkWClRDAfBgNVHSMEGDAWgBSd7S5Xngb49eeBbmTCslblkWClRDAP
-BgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQA8Lx0PAhfYRuRYuQxV
-EyU4pmQ6JuAPl3gxVKHY6bFGMYooSRr5Nw/YulfPucxTKHtVlgY/l0kwofmTUh3B
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-g6ohX2kosC2uRsc1bAofHWW0u3tFY0i6oiI7XPF9REuWJOiDlN2PsDMXhSG5xeLj
-e7LUOQsNXB5deAfUFxbtEDCnEDzyp+GxXwZ0iPsJOzm2ccL6XdDzucCuR/NtuhGf
-KwpD
------END CERTIFICATE-----

nginx/certs/key.pem

@@ -1,28 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDLOB4WybryG6Cc
-4yU+2PPrLiM/tt15HMVp0TgcA277vofYFd90IArihbmGKEaKYyZplUzxk55RRNS6
-BaAroZb0AWEg8cOid83gbnuKKaIUhjz/CDADPnnRWynbPHjVuvIBtPLgyunbtB6U
-7a6JLP2nA8XaTcDFtLrhy8PTKFZ9fLRBXzxW8ZvNnL4iFSLQYe851dOfJ1m0HwA/
-meK8QWfYn01O8zprleSMo+HPIudRR6ySnx/Cy3LuAcqMsjttf6EFWs9XTiAOIbKC
-4M8VbOrfZjXFz45ljD0tZNziJ2g61lmdJAV8ElwZ6SDPfGTwGjWj5Qx9Lg7qdFqj
-VyE0QFBJAgMBAAECggEALgf0UtOXd6M35omSBHIWkBknjVVRxc71TYKBS+EgOMA/
-23ua3Z4rcQN60k9ZqRuL1iMmJls6Y2yspcVD8lYcEAGm+1Qf7PNnrBRCgflrt+vv
-MZJsc7OpWrlkWf9Q3JLHogjXcgEsZyJdwfyzielpvDS/0nLFvVKyeRZTcUdEDhCz
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-WicOAxmA9gp/VN7NErXbgr5FcMwPtT+yLDqDgSjLp2T9ClYt/laWcO/KYwrnP9o5
-DTeSB+biEAd3GHJLWJApY/dmFZey5uza+hXvlTdVCUgvFJYGgHw/Dg5E+jvUwrNT
-MNN/OnpQNQKBgAtxxz3vuIlp3pqtTd+gyAvhIzo1rd0fGJkyX+yXQqhurco9MdpC
-Ot2hLLBdD3er6vQvLSMCJaHT/jdIt4U+1nD+yWI4dYurSIgX0lSrP7sZwxTEKLXg
-aDlzcCFak7cMpoO+RXBvEwwPbYyD439d1VL29HeD423jWfaPUa4Bk3S9AoGAWGdj
-PBQ6tEr3wtvPaDyfnFcE8iLsueW4tLx7hULnEnQ26tWMQhvGHS6De2dd9uJ6Bwkc
-HBUot3lSIra45HHDPazM1lm4i1/THQ9vGGRlBjiJEX+5Ihp9sC2A9TH9xISArCgI
-GC6E73QptlrhZAwdnZRVlAMETR/hZkdxvaGJqmkCgYEAzHpqhLMFwOOvDr5Ya2DW
-5IGSCohsNBRvPKLSXlMIT1yMfRStsp5qQrZq2Oj2xXX7Jk3jf+1lU3ZQ5O6bI6br
-9MhrVKu6qI8YS3OtSDPAUOzPw1zu4yaKyCO0eNghY51PTZd3A3JA8Uh9Si7OCryD
-iHnkhUQ1iasZLdnubyVUuh0=
------END PRIVATE KEY-----

static/js/chat.js

@@ -23,12 +23,12 @@ function loadRooms() {
 function connectRoom() {
     const room = roomSelect.value || 'general';
     const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
-    
+    const host = window.location.host;    
     if (ws) {
         ws.close();
     }
-
+    const wsUrl = `${protocol}//${host}/ws/${room}`;
-    ws = new WebSocket(`${protocol}//localhost:8080/ws/${room}`);
+    ws = new WebSocket(wsUrl);