From 53a369fba5194cb78737e51db5418547c53dd687 Mon Sep 17 00:00:00 2001
From: Erik Stambaugh <erik@erikstambaugh.com>
Date: Sun, 2 Jan 2022 13:01:20 -0800
Subject: [PATCH] Get basic nextcloud up and running with SSL

---
 nextcloud.tf                              |  12 +-
 roles/nextcloud/files/docker-compose.yaml |  41 +++-
 roles/nextcloud/files/nginx.conf          | 239 ++++++++++++++++++++++
 roles/nextcloud/tasks/main.yaml           |  63 +++++-
 4 files changed, 346 insertions(+), 9 deletions(-)
 create mode 100644 roles/nextcloud/files/nginx.conf

diff --git a/nextcloud.tf b/nextcloud.tf
index 9f279b1..f3dde6c 100644
--- a/nextcloud.tf
+++ b/nextcloud.tf
@@ -58,6 +58,8 @@ resource "aws_instance" "nextcloud" {
 
   #  associate_public_ip_address = false
 
+  vpc_security_group_ids = [ module.nextcloud_sg.security_group_id ]
+
   user_data = <<EOF
 #!/bin/bash
 sudo snap install amazon-ssm-agent --classic
@@ -80,10 +82,18 @@ module "nextcloud_sg" {
   description = "Nextcloud SG"
   vpc_id      = module.vpc.vpc_id
 
+  egress_rules = [ "all-all" ]
+
   ingress_with_cidr_blocks = [
     {
       rule        = "http-80-tcp"
-      cidr_blocks = "${chomp(data.http.myip.body)}/32"
+      cidr_blocks = "0.0.0.0/0"
+#      cidr_blocks = "${chomp(data.http.myip.body)}/32"
+    },
+    {
+      rule        = "https-443-tcp"
+      cidr_blocks = "0.0.0.0/0"
+#      cidr_blocks = "${chomp(data.http.myip.body)}/32"
     },
   ]
 }
diff --git a/roles/nextcloud/files/docker-compose.yaml b/roles/nextcloud/files/docker-compose.yaml
index 1a1d523..d68c086 100644
--- a/roles/nextcloud/files/docker-compose.yaml
+++ b/roles/nextcloud/files/docker-compose.yaml
@@ -10,21 +10,20 @@ services:
   db:
     container_name: nextcloud_db
     image: mariadb
-    restart: always
+    restart: unless-stopped
     command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
     volumes:
       - db:/var/lib/mysql
     environment:
-      - MARIADB_ALLOW_EMPTY_ROOT_PASSWORD=true
-      - MYSQL_ROOT_PASSWORD=
-      - MYSQL_PASSWORD=
+      - MYSQL_ROOT_PASSWORD=s00p3rs3krit
+      - MYSQL_PASSWORD=s00p3rs3krit
       - MYSQL_DATABASE=nextcloud
       - MYSQL_USER=nextcloud
 
   app:
     container_name: nextcloud
     image: nextcloud
-    restart: always
+    restart: unless-stopped
     ports:
       - 8080:80
     links:
@@ -32,7 +31,37 @@ services:
     volumes:
       - nextcloud:/var/www/html
     environment:
-      - MYSQL_PASSWORD=
+      - MYSQL_PASSWORD=s00p3rs3krit
       - MYSQL_DATABASE=nextcloud
       - MYSQL_USER=nextcloud
       - MYSQL_HOST=db
+
+  web:
+    container_name: nginx
+    image: nginx
+    restart: unless-stopped
+    ports:
+      - "80:80"
+      - "443:443"
+    links:
+      - app
+    volumes:
+      - /srv/nextcloud/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
+      - /srv/nextcloud/nginx/conf.d:/etc/nginx/conf.d:ro
+#      - /srv/nextcloud/nginx/www:/usr/share/nginx/html:ro
+      - /srv/nextcloud/letsencrypt/etc:/etc/letsencrypt
+      - /srv/nextcloud/letsencrypt/www:/var/www/certbot
+    volumes_from:
+      - app
+    command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
+
+  certbot:
+    container_name: certbot
+    image: certbot/certbot:arm64v8-latest
+    restart: unless-stopped
+    volumes:
+      - /srv/nextcloud/letsencrypt/etc:/etc/letsencrypt
+      - /srv/nextcloud/letsencrypt/www:/var/www/certbot
+      - /srv/nextcloud/letsencrypt/var:/var/lib/letsencrypt
+    entrypoint: "/bin/sh -c 'trap exit TERM; while :; do certbot renew --webroot --webroot-path=/var/www/certbot; sleep 12h & wait $${!}; done;'"
+
diff --git a/roles/nextcloud/files/nginx.conf b/roles/nextcloud/files/nginx.conf
new file mode 100644
index 0000000..dc08b3e
--- /dev/null
+++ b/roles/nextcloud/files/nginx.conf
@@ -0,0 +1,239 @@
+# Run as a less privileged user for security reasons.
+user nginx;
+
+# #worker_threads to run;
+# "auto" sets it to the #CPU_cores available in the system, and
+# offers the best performance.
+worker_processes    auto;
+
+events { worker_connections 1024; }
+
+http {
+
+    upstream backend {
+      server app;
+    }
+
+    server {
+        listen 80;
+        server_name cloud.stoopid.club;
+        server_tokens off;
+
+        location /.well-known/acme-challenge/ {
+            root /var/www/certbot;
+        }
+
+        location / {
+            return 301 https://$host$request_uri;
+        }
+
+    }
+
+    server {
+        # Hide nginx version information.
+        server_tokens off;
+
+        listen  443 ssl default_server;
+
+        server_name cloud.stoopid.club;
+
+        root    /usr/share/nginx/html;
+        include /etc/nginx/mime.types;
+
+        ssl_certificate /etc/letsencrypt/live/cloud.stoopid.club/fullchain.pem;
+        ssl_certificate_key /etc/letsencrypt/live/cloud.stoopid.club/privkey.pem;
+
+        include /etc/letsencrypt/options-ssl-nginx.conf;
+        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+
+#        location / {
+#            try_files $uri $uri/ /index.html;
+#        }
+
+        gzip            on;
+        gzip_vary       on;
+        gzip_http_version  1.0;
+        gzip_comp_level 5;
+        gzip_types
+                        application/atom+xml
+                        application/javascript
+                        application/json
+                        application/rss+xml
+                        application/vnd.ms-fontobject
+                        application/x-font-ttf
+                        application/x-web-app-manifest+json
+                        application/xhtml+xml
+                        application/xml
+                        font/opentype
+                        image/svg+xml
+                        image/x-icon
+                        text/css
+                        text/plain
+                        text/x-component;
+        gzip_proxied    no-cache no-store private expired auth;
+        gzip_min_length 256;
+        gunzip          on;
+
+        location @nextcloud {
+            proxy_pass http://backend;
+        }
+
+        location / {
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header Host            $host;
+            proxy_set_header X-Real-IP       $remote_addr;
+
+            client_max_body_size  0; # default is 1M
+
+            proxy_connect_timeout 10m;
+            proxy_send_timeout    10m;
+            proxy_read_timeout    10m;
+            send_timeout          10m;
+
+            try_files /dev/null @nextcloud;
+        }
+    }
+
+#    server {
+#        server_name cloud.stoopid.club;
+#        # Hide nginx version information.
+#        server_tokens off;
+#
+#        listen 443 ssl http2;
+#        listen [::]:443 ssl http2;
+#        ssl_session_timeout 1d;
+#        ssl_session_cache shared:MozSSL:10m;  # about 40000 sessions
+#        ssl_session_tickets off;
+#
+#
+#        ssl_trusted_certificate   /etc/letsencrypt/live/cloud.stoopid.club/chain.pem;
+#        ssl_certificate           /etc/letsencrypt/live/cloud.stoopid.club/fullchain.pem;
+#        ssl_certificate_key       /etc/letsencrypt/live/cloud.stoopid.club/privkey.pem;
+##        include /etc/letsencrypt/options-ssl-nginx.conf;
+#        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+#
+##        ssl_protocols TLSv1.2 TLSv1.3;
+##        ssl_ciphers "ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
+##        ssl_prefer_server_ciphers off;
+##        # In case of an old server with an OpenSSL version of 1.0.2 or below,
+##        # leave only prime256v1 or comment out the following line.
+##        ssl_ecdh_curve X25519:prime256v1:secp384r1:secp521r1;
+##        ssl_stapling on;
+##        ssl_stapling_verify on;
+#
+#        gzip_vary on;
+#        gzip_proxied any;
+#        gzip_comp_level 6;
+#        gzip_buffers 16 8k;
+#        gzip_http_version 1.1;
+#        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript application/activity+json application/atom+xml;
+#
+#        proxy_http_version 1.1;
+#        proxy_set_header Upgrade $http_upgrade;
+#        proxy_set_header Connection "upgrade";
+#        proxy_set_header Host $http_host;
+#        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+#
+#        location @nextcloud {
+#            proxy_pass http://backend;
+#        }
+#
+#        location / {
+#            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+#            proxy_set_header Host            $host;
+#            proxy_set_header X-Real-IP       $remote_addr;
+#
+#            client_max_body_size  0; # default is 1M
+#
+#            proxy_connect_timeout 10m;
+#            proxy_send_timeout    10m;
+#            proxy_read_timeout    10m;
+#            send_timeout          10m;
+#
+#            try_files /dev/null @nextcloud;
+#        }
+#
+#
+##        location ~ ^/(media|proxy) {
+##            proxy_cache        pleroma_media_cache;
+##            slice              1m;
+##            proxy_cache_key    $host$uri$is_args$args$slice_range;
+##            proxy_set_header   Range $slice_range;
+##            proxy_cache_valid  200 206 301 304 1h;
+##            proxy_cache_lock   on;
+##            proxy_ignore_client_abort on;
+##            proxy_buffering    on;
+##            chunked_transfer_encoding on;
+##            proxy_pass         http://pleroma:4000/;
+##        }
+#
+#
+#
+#
+##        root    /usr/share/nginx/html;
+##        include /etc/nginx/mime.types;
+##
+##
+##        location / {
+##            proxy_http_version 1.1;
+##            proxy_set_header Upgrade $http_upgrade;
+##            proxy_set_header Connection "upgrade";
+##            proxy_read_timeout 300; # Some requests take more than 30 seconds.
+##            proxy_connect_timeout 300; # Some requests take more than 30 seconds.
+##            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+##            proxy_set_header X-Forwarded-Proto $scheme;
+##            proxy_set_header Host $http_host;
+##            proxy_redirect off;
+##            proxy_pass http://pleroma:4000/;
+##        }
+##
+###        map $remote_addr $proxy_forwarded_elem {
+###            # IPv4 addresses can be sent as-is
+###            ~^[0-9.]+$          "for=$remote_addr";
+###
+###            # IPv6 addresses need to be bracketed and quoted
+###            ~^[0-9A-Fa-f:.]+$   "for=\"[$remote_addr]\"";
+###
+###            # Unix domain socket names cannot be represented in RFC 7239 syntax
+###            default             "for=unknown";
+###        }
+###
+###        map $http_forwarded $proxy_add_forwarded {
+###            # If the incoming Forwarded header is syntactically valid, append to it
+###            "~^(,[ \\t]*)*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*([ \\t]*,([ \\t]*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*)?)*$" "$http_forwarded, $proxy_forwarded_elem";
+###
+###            # Otherwise, replace it
+###            default "$proxy_forwarded_elem";
+###        }
+##
+###        proxy_set_header Forwarded $proxy_add_forwarded;
+###        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+##
+##        gzip            on;
+##        gzip_vary       on;
+##        gzip_http_version  1.0;
+##        gzip_comp_level 5;
+##        gzip_types
+##                        application/atom+xml
+##                        application/javascript
+##                        application/json
+##                        application/rss+xml
+##                        application/vnd.ms-fontobject
+##                        application/x-font-ttf
+##                        application/x-web-app-manifest+json
+##                        application/xhtml+xml
+##                        application/xml
+##                        font/opentype
+##                        image/svg+xml
+##                        image/x-icon
+##                        text/css
+##                        text/plain
+##                        text/x-component;
+##        gzip_proxied    no-cache no-store private expired auth;
+##        gzip_min_length 256;
+##        gunzip          on;
+#    }
+
+    include /etc/nginx/conf.d/*.conf;
+
+}
diff --git a/roles/nextcloud/tasks/main.yaml b/roles/nextcloud/tasks/main.yaml
index 5206f3a..0c42a85 100644
--- a/roles/nextcloud/tasks/main.yaml
+++ b/roles/nextcloud/tasks/main.yaml
@@ -4,9 +4,11 @@
   file:
     path: /srv/nextcloud/{item}
     state: directory
+    recurse: true
   with_items:
     - db
     - data
+    - nginx/conf.d
 
 - name: install docker
   apt:
@@ -16,6 +18,7 @@
     packages:
       - docker.io
       - docker-compose
+      - openssl
 
 - name: Add users to docker group
   user:
@@ -25,6 +28,56 @@
   with_items:
     - ubuntu
 
+# --
+
+- name: check for existing cert
+  stat:
+    path: /srv/nextcloud/letsencrypt/etc/live/cloud.stoopid.club
+  register: certpath
+
+- name: seed initial cert data
+  command: |
+    docker run -it --rm --name certbot \
+                -v "/srv/nextcloud/letsencrypt/etc:/etc/letsencrypt" \
+                -v "/srv/nextcloud/letsencrypt/var:/var/lib/letsencrypt" \
+                -p 80:80 \
+                certbot/certbot:arm64v8-latest certonly \
+                -m erik@erikstambaugh.com \
+                --agree-tos \
+                -n \
+                --standalone \
+                -d cloud.stoopid.club
+  when: certpath.stat.isdir is not defined
+
+#docker run -it --rm --name certbot \
+#            -v "/etc/letsencrypt:/etc/letsencrypt" \
+#            -v "/var/lib/letsencrypt:/var/lib/letsencrypt" \
+#            certbot/certbot:arm32v6-latest certonly \
+#            -m erik@erikstambaugh.com \
+#            --agree-tos \
+#            --standalone \
+#            --dry-run \
+#            -p 80:80 \
+#            -d cloud.stoopid.club
+##            certbot/certbot:arm32v6-latest certonly --help
+
+- name: pick up latest nginx ssl config
+  get_url:
+    url: https://raw.githubusercontent.com/certbot/certbot/master/certbot-nginx/certbot_nginx/_internal/tls_configs/options-ssl-nginx.conf
+    dest: /srv/nextcloud/letsencrypt/etc/options-ssl-nginx.conf
+  register: certbotnginx
+
+- name: check for dhparams
+  stat:
+    path: /srv/nextcloud/letsencrypt/etc/ssl-dhparams.pem
+  register: dhparams
+
+- name: "create dhparams (this could take up to an hour)"
+  command: openssl dhparam -out ssl-dhparams.pem 4096
+  args:
+    chdir: /srv/nextcloud/letsencrypt/etc
+  when: dhparams.stat.exists == False
+
 # ---
 
 - name: nextcloud docker-compose
@@ -33,16 +86,22 @@
     dest: /srv/nextcloud/docker-compose.yaml
   register: dockercompose
 
+- name: nextcloud nginx.conf
+  copy:
+    src: files/nginx.conf
+    dest: /srv/nextcloud/nginx/nginx.conf
+  register: nginxconf
+
 - name: install nextcloud
   command: docker-compose up -d
   args:
     chdir: /srv/nextcloud
 
-- name: install nextcloud
+- name: restart nextcloud
   command: docker-compose restart
   args:
     chdir: /srv/nextcloud
-  when: dockercompose.changed
+  when: nginxconf.changed or certbotnginx.changed
 
 
 # ---