WIP

.gitignore

@@ -1,2 +1,3 @@
-.DS_Store
 .ansible/
+__pycache__/
+.DS_Store

README.md

@@ -67,12 +67,16 @@ Voir: https://github.com/coreruleset/plugin-registry
 
 Fonctionnalités déjà implémentées:
 
+- Déploiement et configuration avec Ansible
+- Serveurs transient
+- VIP (avec Keepalived)
+- DNS dynamique (via Nomad)
+- Cluster via Nomad
 - OWASP CRS
-- Multisite (cavec configuration des CRS par site)
-- Redirection vers nom canonique
-- Rediction HTTP vers HTTPS
-- Certificats SSL (automatiques via Let's Encrypt et customs)
-- Redirect (SSL et www et autres)
+- Multisite (avec configuration complète des CRS par site)
+- Alias avec redirection optionnelle vers nom canonique
+- Redirection HTTP vers HTTPS
+- Certificats SSL (personnalisés automatiques via Let's Encrypt)
 - Filtrage par:
   - adresses IP
   - réseaux IP
@@ -80,45 +84,9 @@ Fonctionnalités déjà implémentées:
   - défi JavaScript
 - Passive backend checks
 - Compression Gzip et zstd
-- Mieux tester le configuration des CRS
 - Mode détection sans blocage
 - Filtrage par:
   - méthode HTTP
-
-Urgemment:
-
-- Connexion à consul
-- ACL consul
-- Changement de format de configuration: Caddyfile -> JSON
-- Lire doc. config JSON de Caddy
-- Renommer tous les répertoires/utilisateurs caddy -> byow
-- Collection Ansible
-
-Fomctionnalités à ajouter:
-
-- Active backend checks
-- Antibot par:
-  - Cookie
-  - Captcha
-  - reCAPTCHA
-  - hCaptcha
-  - Turnstile
-  - mCaptcha
-- Mise en œuvre d'un cluster Redis (ou Consul) pour le partage de informations entre les WAF d'un cluster
-- Filtrage par:
-  - rDNS
-  - DNSBL
-  - ASN
-  - User-Agent (robots, crawlers, IA bots)
-  - taille
-  - URI patterns
-  - pays
-  - (ip:danmeuk-tor-exit, ua:mitchellkrogza-bad-user-agents, /etc/hapee-1.9/blacklist.acl)
-- Gestion CORS
-- Client cache
-- Proxy cache
-- Filtrage par pays
-- Compression Brotli
 - En-têtes de sécurité:
   - HSTS
   - CSP
@@ -129,17 +97,54 @@ Fomctionnalités à ajouter:
   - Keep Headers
   - Cookie Flags
   - Custom headers
+  - suppression d'en-têtes
+- Collecte des logs via OVH LDP
+
+Urgemment:
+
+- Connexion à consul, ACL consul
+- Collection Ansible
+- Gestion CORS
+- Active backend checks
+- Correction de la collecte des logs via OVH LDP
+
+Fomctionnalités à ajouter:
+
+- Rate limiting distribué
+- Antibot par:
+  - Cookie
+  - Captcha
+  - reCAPTCHA
+  - hCaptcha
+  - Turnstile
+  - mCaptcha
+- Filtrage par:
+  - rDNS
+  - DNSBL
+  - ASN
+  - User-Agent (robots, crawlers, IA bots)
+  - taille
+  - URI patterns
+  - pays
+  - (ip:danmeuk-tor-exit, ua:mitchellkrogza-bad-user-agents, /etc/hapee-1.9/blacklist.acl)
+- Client cache
+- Proxy cache
+- Filtrage par pays
+- Compression Brotli
 - Reverse scan
 - Robots.txt (DarkVisitors API/Community Lists/Custom URLs/Manual Rules)
-- Sessions
+- Gestion des sessions
 - Whitelist
 - Bad behavior
-- Auth
+- Authentification
 - Anti DDoS
 - Greylist
 - HTML injection
 - Metrics (Elasticsearch + Metabase)
-- Static files et FastCGI pour PHP
+- Static files et FastCGI pour PHP (est-ce une bonne idée ?!)
+- Lire doc. config JSON de Caddy
+- Crowdsec
+- https://raw.githubusercontent.com/mitchellkrogza/nginx-ultimate-bad-bot-blocker/master/_generator_lists/bad-user-agents.list 
 
 
 ## Ressources

ansible/filter_plugins/filters.py

@@ -0,0 +1,21 @@
+#!/usr/bin/python
+
+class FilterModule(object):
+    def filters(self):
+        return {
+            'dict2str': self.dict2str
+        }
+    
+    def dict2str(self, d, sep1='=', sep2=';', sep3=''):
+        return sep2.join(
+            [ str(k) + (sep1+str(v) if v!=None and v!='' else '') for k, v in d.items() ]
+        ) + sep3
+
+
+if __name__ == "__main__":
+    # Tests
+    filters = FilterModule()
+    print(filters.filters())
+    print(filters.dict2str(
+        {"un": 1, "deux": 2, "str": "a string", "rien": None, "bool": True}
+    ))

ansible/play-config.yml

@@ -16,9 +16,10 @@
           - "DNS:{{ ansible_fqdn }}"
           - "DNS:{{ ansible_hostname }}"
           - "IP:{{ ansible_default_ipv4.address }}"
-    waf_config_sites: "{{ common.sites }}"
+    caddy_config_only: true
+    caddy_sites: "{{ common.sites }}"
   roles:
     - "local_ca_certs"
-    - "waf_config"
+    - "caddy"
   tags:
     - "waf"

ansible/play-main.yml

@@ -98,15 +98,14 @@
     unbound_stub_zones:
       - name: "{{ common.consul.datacenter }}.{{ common.consul.domain }}"
         stub_to: "127.0.0.1@8600"
-    waf_config_sites: "{{ common.sites }}"
+    caddy_sites: "{{ common.sites }}"
     ovh_ldp_cluster: "gra2.logs.ovh.com"
     ovh_ldp_token: ¨{{ secrets.ovh_ldp.token }}
   roles:
     - "local_ca_certs"
     - "consul"
-    - "waf_install"
+    - "caddy"
 #   - "keepalived"
-    - "waf_config"
     - "unbound"
     - "ovh_ldp"
   tags:

ansible/roles/caddy/defaults/main.yml

@@ -0,0 +1,407 @@
+# Defaults
+caddy_config_only: false
+caddy_go_version: "1.25.5"
+caddy_xcaddy_version: "0.4.5"
+caddy_caddy_version: "2.10.2"
+caddy_coraza_caddy_version: "2.1.0"  # Coraza v3.3.3
+caddy_owasp_crs_version: "4.22.0"
+caddy_system_user: "byow"
+caddy_system_group: "byow"
+caddy_home_dir: "/opt/{{ caddy_system_user }}"
+caddy_config_dir: "/etc/{{ caddy_system_user }}"
+caddy_log_dir: "/var/log/{{ caddy_system_user }}"
+
+# Cf.: https://github.com/coreruleset/plugin-registry
+caddy_crs_plugins:
+  - name: "drupal-rule-exclusions"
+    version: "1.0.0"
+  - name: "wordpress-rule-exclusions"
+    version: "1.2.0"
+  - name: "nextcloud-rule-exclusions"
+    version: "1.5.0"
+  - name: "dokuwiki-rule-exclusions"
+    version: "1.0.0"
+  - name: "phpmyadmin-rule-exclusions"
+    version: "1.0.0"
+    has_after_config: true
+  - name: "roundcube-rule-exclusions"
+    version: "1.0.4"
+    provider: "EsadCetiner"
+  - name: "sogo-rule-exclusions"
+    version: "1.0.4"
+    provider: "EsadCetiner"
+
+# Required unless not site.custom_cert
+caddy_email: null
+
+# Required if site.bot_barrier
+caddy_bot_barrier_secret: null
+
+# Optionnal
+caddy_local_ca_name: null
+caddy_ca_root: null
+
+caddy_sites: []
+# - name: ""
+#   site: ""
+#   paths:
+#     - path: "*"
+#       addrs:
+#         - ""
+#   blacklist:
+#     - ""
+#   aliases:
+#     - ""
+#   crs_exceptions:
+#     before_request:
+#       - ""
+#     after_response:
+#       - ""
+
+caddy_waf_defaults:
+  redirect_from_aliases: true
+  custom_cert: false
+  custom_cert_file: ""
+  custom_key_file: ""
+
+  # Security headers
+  header_content_security_policy:
+
+    # https://cheatsheetseries.owasp.org/cheatsheets/Content_Security_Policy_Cheat_Sheet.html#detailed-csp-directives
+    # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Content-Security-Policy#directives
+    ## Fetch directives
+    child-src: "'self'"
+    connect-src: "'self'"
+    font-src: "'self'"
+    img-src: "'self'"
+    manifest-src: "'self'"
+    media-src: "'self'"
+    # Deprecated: prefetch-src: "'self'"
+    object-src: "'none'"
+    script-src: "'none'"
+    script-src-attr: "'none'"
+    script-src-elem: "'none'"
+    style-src: "'self'"
+    style-src-attr: "'self'"
+    style-src-elem: "'self'"
+    default-src: "'self'"
+    ## Document directives
+    # base-uri
+    # plugin-types
+    # sandbox
+    ## Navigation directives
+    form-action: "'self'"
+    frame-ancestors: "'self'"
+    # https://developer.mozilla.org/fr/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/frame-src
+    frame-src: "'self'"
+    # https://developer.mozilla.org/fr/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/worker-src
+    worker-src: "'self'"
+    # https://developer.mozilla.org/fr/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/block-all-mixed-content
+    block-all-mixed-content:
+    # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/fenced-frame-src
+    fenced-frame-src: "'self'"
+    # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/upgrade-insecure-requests
+    upgrade-insecure-requests:
+
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Cross-Origin-Embedder-Policy
+  header_cross_origin_embedder_policy: "require-corp"
+
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Cross-Origin-Opener-Policy
+  header_cross_origin_opener_policy: "same-origin"
+
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Cross-Origin-Resource-Policy
+  header_cross_origin_resource_policy: "same-site"
+
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy
+  header_permissions_policy:
+    accelerometer: "()"
+    ambient-light-sensor: "()"
+    aria-notify: "()"
+    attribution-reporting: "()"
+    autoplay: "()"
+    bluetooth: "()"
+    browsing-topics: "()"
+    camera: "()"
+    captured-surface-control: "()"
+    compute-pressure: "()"
+    cross-origin-isolated: "()"
+    deferred-fetch: "()"
+    deferred-fetch-minimal: "()"
+    display-capture: "()"
+    encrypted-media: "()"
+    fullscreen: "()"
+    gamepad: "()"
+    geolocation: "()"
+    gyroscope: "()"
+    hid: "()"
+    identity-credentials-get: "()"
+    idle-detection: "()"
+    language-detector: "()"
+    local-fonts: "()"
+    magnetometer: "()"
+    microphone: "()"
+    midi: "()"
+    on-device-speech-recognition: "()"
+    otp-credentials: "()"
+    payment: "()"
+    picture-in-picture: "()"
+    private-state-token-issuance: "()"
+    private-state-token-redemption: "()"
+    publickey-credentials-create: "()"
+    publickey-credentials-get: "()"
+    screen-wake-lock: "()"
+    serial: "()"
+    speaker-selection: "()"
+    storage-access: "()"
+    translator: "()"
+    summarizer: "()"
+    usb: "()"
+    web-share: "()"
+    window-management: "()"
+    xr-spatial-tracking: "()"
+
+    # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#floc-federated-learning-of-cohorts
+    interest-cohort: "()"
+
+    # ???
+    battery: "()"
+    document-domain: "()"
+    execution-while-not-rendered: "()"
+    execution-while-out-of-viewport: "()"
+    navigation-override: "()"
+
+  # https://www.geeksforgeeks.org/computer-networks/http-headers-feature-policy/
+  header_feature_policy:
+    accelerometer: "'none'"
+    ambient-light-sensor: "'none'"
+    autoplay: "'none'"
+    battery: "'none'"
+    camera: "'none'"
+    display-capture: "'none'"
+    document-domain: "'none'"
+    encrypted-media: "'none'"
+    fullscreen: "'none'"
+    geolocation: "'none'"
+    gyroscope: "'none'"
+    layout-animation: "'none'"
+    legacy-image-formats: "'none'"
+    magnetometer: "'none'"
+    microphone: "'none'"
+    midi: "'none'"
+    oversized-images: "'none'"
+    payment: "'none'"
+    picture-in-picture: "'none'"
+    publickey-credentials-get: "'none'"
+    sync-xhr: "'none'"
+    usb: "'none'"
+    screen-wake-lock: "'none'"
+    xr-spatial-tracking: "'none'"
+
+    # ???
+    execution-while-not-rendered: "'none'"
+    execution-while-out-of-viewport: "'none'"
+    navigation-override: "'none'"
+    speaker-selection: "'none'"
+    unoptimized-images: "'none'"
+    unsized-media: "'none'"
+    web-share: "'none'"
+
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Referrer-Policy
+  header_referrer_policy: "strict-origin-when-cross-origin"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Strict_Transport_Security_Cheat_Sheet.html
+  header_strict_transport_security: "max-age=2635200; includeSubDomains"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-content-type-options
+  header_x_content_type_options: "nosniff"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-frame-options
+  header_x_frame_options: "DENY"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-robots-tag
+  header_x_robots_tag: "noindex, nofollow"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#content-type
+  default_content_type: "text/html; charset=UTF-8"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#set-cookie
+  cookies_attributes: "SameSite=None; Secure;"
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-dns-prefetch-control
+  # FIXME
+
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#server
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-powered-by
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-aspnet-version
+  # https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html#x-aspnetmvc-version
+  delete_headers:
+    - "Server"
+    - "X-Powered-By"
+    - "X-AspNet-Version"
+    - "X-AspNetMvc-Version"
+    - "Via"
+
+  custom_headers: {}
+#   - name: <string>
+#     value: <string>
+
+  # caddy-ratelimit
+  rate_events: 1000
+  rate_window: "1m"
+
+  # steffenbusch/caddy-bot-barrier
+  bot_barrier: false
+
+  # corazawaf/coraza-caddy
+  crs_plugins: []
+  log_only: false
+  paranoia_level: 1
+  detection_paranoia_level: null
+  enforce_bodyproc_urlencoded: 1
+  critical_anomaly_score: 5
+  error_anomaly_score: 4
+  warning_anomaly_score: 3
+  notice_anomaly_score: 2
+  inbound_anomaly_score_threshold: 5
+  outbound_anomaly_score_threshold: 4
+  reporting_level: 4
+  max_num_args: 255
+  arg_name_length: 100
+  arg_length: 1000
+  total_arg_length: 64000
+  max_file_size: 10485760        # 10 Mo
+  combined_file_sizes: 20970520  # 20 Mo
+  sampling_percentage: 100
+  allowed_methods:
+    - "GET"
+    - "HEAD"
+    - "POST"
+    - "OPTIONS"
+  allowed_request_content_type:
+    - "|application/x-www-form-urlencoded|"
+    - "|multipart/form-data|"
+    - "|text/xml|"
+    - "|application/xml|"
+    - "|application/soap+xml|"
+    - "|application/json|"
+    - "|application/reports+json|"
+    - "|application/csp-report|"
+  restricted_extensions:
+    - ".ani/"
+    - ".asa/"
+    - ".asax/"
+    - ".ascx/"
+    - ".back/"
+    - ".backup/"
+    - ".bak/"
+    - ".bck/"
+    - ".bk/"
+    - ".bkp/"
+    - ".bat/"
+    - ".cdx/"
+    - ".cer/"
+    - ".cfg/"
+    - ".cmd/"
+    - ".cnf/"
+    - ".com/"
+    - ".compositefont/"
+    - ".config/"
+    - ".conf/"
+    - ".copy/"
+    - ".crt/"
+    - ".cs/"
+    - ".csproj/"
+    - ".csr/"
+    - ".dat/"
+    - ".db/"
+    - ".dbf/"
+    - ".dist/"
+    - ".dll/"
+    - ".dos/"
+    - ".dpkg-dist/"
+    - ".drv/"
+    - ".gadget/"
+    - ".hta/"
+    - ".htr/"
+    - ".htw/"
+    - ".ida/"
+    - ".idc/"
+    - ".idq/"
+    - ".inc/"
+    - ".inf/"
+    - ".ini/"
+    - ".jse/"
+    - ".key/"
+    - ".licx/"
+    - ".lnk/"
+    - ".log/"
+    - ".mdb/"
+    - ".msc/"
+    - ".ocx/"
+    - ".old/"
+    - ".pass/"
+    - ".pdb/"
+    - ".pfx/"
+    - ".pif/"
+    - ".pem/"
+    - ".pol/"
+    - ".prf/"
+    - ".printer/"
+    - ".pwd/"
+    - ".rdb/"
+    - ".rdp/"
+    - ".reg/"
+    - ".resources/"
+    - ".resx/"
+    - ".sav/"
+    - ".save/"
+    - ".scr/"
+    - ".sct/"
+    - ".sh/"
+    - ".shs/"
+    - ".sql/"
+    - ".sqlite/"
+    - ".sqlite3/"
+    - ".swp/"
+    - ".sys/"
+    - ".temp/"
+    - ".tlb/"
+    - ".tmp/"
+    - ".vb/"
+    - ".vbe/"
+    - ".vbs/"
+    - ".vbproj/"
+    - ".vsdisco/"
+    - ".vxd/"
+    - ".webinfo/"
+    - ".ws/"
+    - ".wsc/"
+    - ".wsf/"
+    - ".wsh/"
+    - ".xsd/"
+    - ".xsx/"
+  restricted_headers_basic:
+    - "/content-encoding/"
+    - "/proxy/"
+    - "/lock-token/"
+    - "/content-range/"
+    - "/if/"
+    - "/x-http-method-override/"
+    - "/x-http-method/"
+    - "/x-method-override/"
+    - "/x-middleware-subrequest/"
+    - "/expect/"
+  restricted_headers_extended:
+    - "/accept-charset/"
+  allowed_http_versions:
+    - "HTTP/1.0"
+    - "HTTP/1.1"
+    - "HTTP/2"
+    - "HTTP/2.0"
+    - "HTTP/3"
+    - "HTTP/3.0"
+  allowed_request_content_type_charset:
+    - "|utf-8|"
+    - "|iso-8859-1|"
+    - "|iso-8859-15|"
+    - "|windows-1252|"

ansible/roles/caddy/handlers/main.yml

@@ -1,4 +1,4 @@
 - name: Restart Caddy
   ansible.builtin.service:
-    name: "caddy"
+    name: "{{ caddy_system_user }}"
     state: "restarted"

ansible/roles/caddy/tasks/caddy_config.yml

@@ -1,55 +1,55 @@
 - name: Create sites config directories
-  loop: "{{ waf_config_sites }}"
+  loop: "{{ caddy_sites }}"
   ansible.builtin.file:
-    path: "/etc/caddy/sites/{{ item.name }}"
+    path: "{{ caddy_config_dir }}/sites/{{ item.name }}"
     state: "directory"
-    group: "caddy"
+    group: "{{ caddy_system_group }}"
     mode: "0750"
 
 - name: Generate sites coraza.conf config file
-  loop: "{{ waf_config_sites }}"
+  loop: "{{ caddy_sites }}"
   loop_control:
     loop_var: "site"
   ansible.builtin.template:
     src: "templates/coraza.conf"
-    dest: "/etc/caddy/sites/{{ site.name }}/coraza.conf"
-    group: "caddy"
+    dest: "{{ caddy_config_dir }}/sites/{{ site.name }}/coraza.conf"
+    group: "{{ caddy_system_group }}"
     mode: "0640"
   notify:
     - "Restart Caddy"
 
 - name: Generate sites crs-setup config file
-  loop: "{{ waf_config_sites }}"
+  loop: "{{ caddy_sites }}"
   loop_control:
     loop_var: "site"
   ansible.builtin.template:
     src: "templates/crs-setup.conf"
-    dest: "/etc/caddy/sites/{{ site.name }}/crs-setup.conf"
-    group: "caddy"
+    dest: "{{ caddy_config_dir }}/sites/{{ site.name }}/crs-setup.conf"
+    group: "{{ caddy_system_group }}"
     mode: "0640"
   notify:
     - "Restart Caddy"
 
 - name: Generate sites exclusions before request file
-  loop: "{{ waf_config_sites }}"
+  loop: "{{ caddy_sites }}"
   loop_control:
     loop_var: "site"
   ansible.builtin.template:
     src: "templates/exclusions-request-before.conf"
-    dest: "/etc/caddy/sites/{{ site.name }}/exclusions-request-before.conf"
-    group: "caddy"
+    dest: "{{ caddy_config_dir }}/sites/{{ site.name }}/exclusions-request-before.conf"
+    group: "{{ caddy_system_group }}"
     mode: "0640"
   notify:
     - "Restart Caddy"
 
 - name: Generate sites exclusions after response file
-  loop: "{{ waf_config_sites }}"
+  loop: "{{ caddy_sites }}"
   loop_control:
     loop_var: "site"
   ansible.builtin.template:
     src: "templates/exclusions-response-after.conf"
-    dest: "/etc/caddy/sites/{{ site.name }}/exclusions-response-after.conf"
-    group: "caddy"
+    dest: "{{ caddy_config_dir }}/sites/{{ site.name }}/exclusions-response-after.conf"
+    group: "{{ caddy_system_group }}"
     mode: "0640"
   notify:
     - "Restart Caddy"
@@ -57,8 +57,8 @@
 - name: Generate Caddyfile
   ansible.builtin.template:
     src: "templates/Caddyfile"
-    dest: "/etc/caddy/Caddyfile"
-    group: "caddy"
+    dest: "{{ caddy_config_dir }}/Caddyfile"
+    group: "{{ caddy_system_group }}"
     mode: "0640"
   notify:
     - "Restart Caddy"
@@ -66,8 +66,8 @@
 - name: Copy bot barrier template
   ansible.builtin.copy:
     src: "files/bot_barrier_template.html"
-    dest: "/etc/caddy/bot_barrier_template.html"
-    group: "caddy"
+    dest: "{{ caddy_config_dir }}/bot_barrier_template.html"
+    group: "{{ caddy_system_group }}"
     mode: "0640"
   notify:
     - "Restart Caddy"

ansible/roles/caddy/tasks/caddy_install.yml

@@ -11,49 +11,50 @@
     name:
       - "git"
       - "libnss3-tools"
+      - "ssl-cert"
 
 - name: Create Go directory
   ansible.builtin.file:
-    path: "/usr/local/go-{{ waf_install_go_version }}"
+    path: "/usr/local/go-{{ caddy_go_version }}"
     state: "directory"
     mode: "0755"
 
 - name: Install Go
   ansible.builtin.unarchive:
-    src: "https://go.dev/dl/go{{ waf_install_go_version }}.linux-amd64.tar.gz"
-    dest: "/usr/local/go-{{ waf_install_go_version }}"
+    src: "https://go.dev/dl/go{{ caddy_go_version }}.linux-amd64.tar.gz"
+    dest: "/usr/local/go-{{ caddy_go_version }}"
     remote_src: true
 
 - name: Link Go
   ansible.builtin.file:
-    src: "/usr/local/go-{{ waf_install_go_version }}/go/bin/go"
+    src: "/usr/local/go-{{ caddy_go_version }}/go/bin/go"
     dest: "/usr/local/bin/go"
     state: "link"
 
 - name: Create xcaddy directory
   ansible.builtin.file:
-    path: "/usr/local/xcaddy-{{ waf_install_xcaddy_version }}"
+    path: "/usr/local/xcaddy-{{ caddy_xcaddy_version }}"
     state: "directory"
     mode: "0755"
 
 - name: Install xcaddy
   ansible.builtin.unarchive:
-    src: "{{ waf_install_xcaddy_download }}/v{{ waf_install_xcaddy_version }}/xcaddy_{{ waf_install_xcaddy_version }}_linux_amd64.tar.gz"
-    dest: "/usr/local/xcaddy-{{ waf_install_xcaddy_version }}"
+    src: "{{ caddy_xcaddy_download }}/v{{ caddy_xcaddy_version }}/xcaddy_{{ caddy_xcaddy_version }}_linux_amd64.tar.gz"
+    dest: "/usr/local/xcaddy-{{ caddy_xcaddy_version }}"
     remote_src: true
 
 - name: Link xcaddy
   ansible.builtin.file:
-    src: "/usr/local/xcaddy-{{ waf_install_xcaddy_version }}/xcaddy"
+    src: "/usr/local/xcaddy-{{ caddy_xcaddy_version }}/xcaddy"
     dest: "/usr/local/bin/xcaddy"
     state: "link"
 
 - name: Create Caddy build command
   ansible.builtin.set_fact:
-    waf_install_build_command: >
-      xcaddy build v{{ waf_install_caddy_version }}
+    caddy_build_command: >
+      xcaddy build v{{ caddy_caddy_version }}
       --with github.com/pteich/caddy-tlsconsul
-      --with github.com/corazawaf/coraza-caddy/v2@v{{ waf_install_coraza_caddy_version }}
+      --with github.com/corazawaf/coraza-caddy/v2@v{{ caddy_coraza_caddy_version }}
       --with github.com/mholt/caddy-ratelimit
       --with github.com/steffenbusch/caddy-bot-barrier
       --output /usr/local/bin/caddy
@@ -61,74 +62,74 @@
 - name: Test Caddy version
   ansible.builtin.copy:
     dest: "/usr/local/bin/.caddy.build"
-    content: "{{ waf_install_build_command }}"
+    content: "{{ caddy_build_command }}"
     mode: "0644"
-  register: waf_install_test_caddy_version
+  register: caddy_test_caddy_version
 
 - name: Build Caddy
   # noqa: no-handler
-  when: "waf_install_test_caddy_version.changed"
+  when: "caddy_test_caddy_version.changed"
   ansible.builtin.command:
-    cmd: "{{ waf_install_build_command }}"
+    cmd: "{{ caddy_build_command }}"
     creates: "/usr/local/bin/caddy"
   notify:
     - "Restart Caddy"
 
-- name: Create caddy system group
+- name: Create Caddy system group
   ansible.builtin.group:
-    name: "caddy"
+    name: "{{ caddy_system_group }}"
     system: true
 
-- name: Create caddy system user
+- name: Create Caddy system user
   ansible.builtin.user:
-    name: "caddy"
-    group: "caddy"
+    name: "{{ caddy_system_user }}"
+    group: "{{ caddy_system_group }}"
     groups: ["ssl-cert"]
     password: "!"
     system: true
-    home: "/opt/caddy"
+    home: "{{ caddy_home_dir }}"
 
-- name: Create caddy config directories
+- name: Create Caddy config directories
   ansible.builtin.file:
     path: "{{ item }}"
     state: "directory"
-    group: "caddy"
+    group: "{{ caddy_system_group }}"
     mode: "0750"
   loop:
-    - "/etc/caddy"
-    - "/etc/caddy/plugins"
-    - "/etc/caddy/sites"
+    - "{{ caddy_config_dir }}"
+    - "{{ caddy_config_dir }}/crs-plugins"
+    - "{{ caddy_config_dir }}/sites"
 
-- name: Create caddy log dir
+- name: Create Caddy log dir
   ansible.builtin.file:
-    path: "/var/log/caddy"
+    path: "{{ caddy_log_dir }}"
     state: "directory"
-    group: "caddy"
+    group: "{{ caddy_system_group }}"
     mode: "0770"
 
 - name: Install OWASP CRS
   ansible.builtin.unarchive:
-    src: "https://github.com/coreruleset/coreruleset/archive/refs/tags/v{{ waf_install_owasp_crs_version }}.tar.gz"
-    dest: "/etc/caddy"
-    group: "caddy"
+    src: "https://github.com/coreruleset/coreruleset/archive/refs/tags/v{{ caddy_owasp_crs_version }}.tar.gz"
+    dest: "{{ caddy_config_dir }}"
+    group: "{{ caddy_system_group }}"
     remote_src: true
 
 - name: Install plugins
-  loop: "{{ waf_install_crs_plugins }}"
+  loop: "{{ caddy_crs_plugins }}"
   loop_control:
     loop_var: "plugin"
-  ansible.builtin.include_tasks: "install_plugin.yml"
+  ansible.builtin.include_tasks: "plugin_install.yml"
 
 - name: Deploy caddy service file
   ansible.builtin.template:
     src: "templates/caddy.service"
-    dest: "/etc/systemd/system/caddy.service"
+    dest: "/etc/systemd/system/{{ caddy_system_user }}.service"
     mode: "0644"
   notify:
     - "Restart Caddy"
 
 - name: Enable Caddy
   ansible.builtin.service:
-    name: "caddy"
+    name: "{{ caddy_system_user }}"
     enabled: true
     daemon_reload: true

ansible/roles/caddy/tasks/main.yml

@@ -0,0 +1,6 @@
+- name: Install Caddy
+  when: "not(caddy_config_only)"
+  ansible.builtin.include_tasks: "caddy_install.yml"
+
+- name: Config Caddy
+  ansible.builtin.include_tasks: "caddy_config.yml"

ansible/roles/caddy/tasks/plugin_install.yml

@@ -3,31 +3,31 @@
     url: "https://github.com/{{ plugin.provider | default('coreruleset') }}/{{ plugin.name }}-plugin/archive/refs/tags/v{{ plugin.version }}.tar.gz"
     dest: "/usr/local/src/"
     mode: "0644"
-  register: "waf_install_plugin_downloaded"
+  register: "caddy_plugin_downloaded"
 
 - name: Deploy plugin {{ plugin.name }}
   # noqa: no-handler
-  when: "waf_install_plugin_downloaded.changed"
+  when: "caddy_plugin_downloaded.changed"
   block:
 
     - name: Get temp dir {{ plugin.name }}
       ansible.builtin.tempfile:
         state: "directory"
-      register: "waf_install_temp_plugin_dir"
+      register: "caddy_temp_plugin_dir"
 
     - name: Unarchive plugin {{ plugin.name }}
       ansible.builtin.unarchive:
         src: "/usr/local/src/{{ plugin.name }}-plugin-{{ plugin.version }}.tar.gz"
-        dest: "{{ waf_install_temp_plugin_dir.path }}"
+        dest: "{{ caddy_temp_plugin_dir.path }}"
         remote_src: true
 
     - name: Copy plugin files {{ plugin.name }}
       ansible.builtin.copy:
-        src: "{{ waf_install_temp_plugin_dir.path }}/{{ plugin.name }}-plugin-{{ plugin.version }}/plugins/"
-        dest: "/etc/caddy/plugins/"
+        src: "{{ caddy_temp_plugin_dir.path }}/{{ plugin.name }}-plugin-{{ plugin.version }}/plugins/"
+        dest: "{{ caddy_config_dir }}/crs-plugins/"
         mode: "0644"
 #       directory_mode: "0750"
-        group: "caddy"
+        group: "{{ caddy_system_group }}"
         remote_src: true
       notify:
         - "Restart Caddy"
@@ -36,20 +36,20 @@
       when: "not(plugin.has_after_config | default(false))"
       ansible.builtin.copy:
         content: ""
-        dest: "/etc/caddy/plugins/{{ plugin.name }}-after.conf"
+        dest: "{{ caddy_config_dir }}/crs-plugins/{{ plugin.name }}-after.conf"
         mode: "0644"
-        group: "caddy"
+        group: "{{ caddy_system_group }}"
 
     # FIXME: bad hack, why is it required?
-    - name: Adjust /etc/caddy/plugins permissions
+    - name: Adjust plugins diretory permissions
       ansible.builtin.file:
-        path: "/etc/caddy/plugins"
+        path: "{{ caddy_config_dir }}/crs-plugins"
         state: "directory"
-        group: "caddy"
+        group: "{{ caddy_system_group }}"
         mode: "0750"
 
     - name: Delete temp dir {{ plugin.name }}
-      when: "waf_install_temp_plugin_dir.path is defined"
+      when: "caddy_temp_plugin_dir.path is defined"
       ansible.builtin.file:
-        path: "{{ waf_install_temp_plugin_dir.path }}"
+        path: "{{ caddy_temp_plugin_dir.path }}"
         state: "absent"

ansible/roles/caddy/templates/Caddyfile

@@ -0,0 +1,152 @@
+{
+  grace_period 10s
+  order coraza_waf first
+{% if caddy_email | default(None) != None %}
+  email "{{ caddy_email }}"
+{% endif %}
+
+{% if caddy_ca_root | default(None) != None %}
+  tls {
+    ca_root "{{ caddy_ca_root }}"
+  }
+
+{% endif %}
+  log waf {
+    format json
+    include "http.handlers.waf"
+    output stdout
+  }
+{% if caddy_local_ca_name | default(None) != None %}
+
+  pki {
+    ca local {
+      name "{{ caddy_local_ca_name }}"
+    }
+  }
+{% endif %}
+}
+
+{% for site in caddy_sites %}
+{% if (site.redirect_from_aliases | default(true)) and (site.aliases | default([]) | length) > 0 %}
+{{ site.aliases | join(', ') }} {
+  redir https://{{ site.site }}{uri}
+}
+
+{% else %}
+{% for alias in site.aliases | default([]) %}
+{{ alias }},
+{% endfor %}
+{% endif %}
+{{ site.site }} {
+  encode gzip zstd
+
+{% for path in site.paths %}
+  handle {{ path.path | default('*') }} {
+    reverse_proxy {
+      to {{ path.addrs | join(' ') }}
+      header_up X-Real-IP {remote}
+      lb_policy ip_hash
+      # Active checks
+#     health_uri /
+#     health_interval 10s
+#     health_timeout 5s
+#     health_status 200
+      # Passive checks
+      fail_duration 30s
+      max_fails 3
+      unhealthy_latency 2000ms
+      transport http {
+#       tls_server_name {host}
+#       tls_insecure_skip_verify
+      }
+    }
+  }
+{% endfor %}
+
+{% if site.custom_cert | default (false) %}
+  tls {{ site.custom_cert_file }} {{ site.custom_key_file }}
+
+{% endif %}
+{% if site.blacklist | default([]) | length > 0 %}
+  @blocked {
+{% for ip in site.blacklist | default([]) %}
+    remote_ip {{ ip }}
+{% endfor %}
+  }
+  respond @blocked "Access Denied" 403
+
+{% endif %}
+{% if site.bot_barrier | default (false) %}
+  bot_barrier {
+     secret {{ caddy_bot_barrier_secret }}
+     complexity 18
+     valid_for 30m
+     seed_cookie_name __chall_{{ site.name }}_seed
+     solution_cookie_name __chall_{{ site.name }}_solution
+     mac_cookie_name __chall_{{ site.name }}_mac
+     template {{ caddy_config_dir }}/bot_barrier_template.html
+  }
+
+{% endif %}
+  rate_limit {
+#   distributed
+    zone remote_ip {
+      key {remote.ip}
+      events {{ site.rate_events | default('1000') }}
+      window {{ site.rate_window | default('1m') }}
+    }
+  }
+
+  coraza_waf {
+    load_owasp_crs
+    directives `
+      Include "{{ caddy_config_dir }}/sites/{{ site.name }}/coraza.conf"
+      Include "{{ caddy_config_dir }}/sites/{{ site.name }}/crs-setup.conf"
+{% for plugin in site.crs_plugins | default(caddy_waf_defaults.crs_plugins) %}
+      Include "{{ caddy_config_dir }}/crs-plugins/{{ plugin }}-config.conf"
+      Include "{{ caddy_config_dir }}/crs-plugins/{{ plugin }}-before.conf"
+{% endfor %}
+      Include "{{ caddy_config_dir }}/sites/{{ site.name }}/exclusions-request-before.conf"
+      Include "{{ caddy_config_dir }}/coreruleset-{{ caddy_owasp_crs_version }}/rules/*.conf"
+      Include "{{ caddy_config_dir }}/sites/{{ site.name }}/exclusions-response-after.conf"
+{% for plugin in site.crs_plugins | default(caddy_waf_defaults.crs_plugins) %}
+      Include "{{ caddy_config_dir }}/crs-plugins/{{ plugin }}-after.conf"
+{% endfor %}
+      SecRuleEngine On
+    `
+  }
+
+  header {
+    Content-Security-Policy      "{{ caddy_waf_defaults.header_content_security_policy | combine(site.header_content_security_policy | default({})) | dict2str(sep1=' ', sep2='; ', sep3=';') }}"
+    Cross-Origin-Embedder-Policy "{{ site.header_cross_origin_embedder_policy | default(caddy_waf_defaults.header_cross_origin_embedder_policy) }}"
+    Cross-Origin-Opener-Policy   "{{ site.header_cross_origin_opener_policy | default(caddy_waf_defaults.header_cross_origin_opener_policy) }}"
+    Cross-Origin-Resource-Policy "{{ site.header_cross_origin_resource_policy | default(caddy_waf_defaults.header_cross_origin_resource_policy) }}"
+    Feature-Policy               "{{ caddy_waf_defaults.header_feature_policy | combine(site.header_feature_policy | default({})) | dict2str(sep1=' ', sep2='; ', sep3=';') }}"
+    Permissions-Policy           "{{ caddy_waf_defaults.header_permissions_policy | combine(site.header_permissions_policy | default({})) | dict2str(sep2=', ') }}"
+    Referrer-Policy              "{{ site.header_referrer_policy | default(caddy_waf_defaults.header_referrer_policy) }}"
+    Strict-Transport-Security    "{{ site.header_strict_transport_security | default(caddy_waf_defaults.header_strict_transport_security) }}"
+    X-Content-Type-Options       "{{ site.header_x_content_type_options | default(caddy_waf_defaults.header_x_content_type_options) }}"
+    X-Frame-Options              "{{ site.header_x_frame_options | default(caddy_waf_defaults.header_x_frame_options) }}"
+    X-Robots-Tag                 "{{ site.header_x_robots_tag | default(caddy_waf_defaults.header_x_robots_tag) }}"
+    ?Content-Type                "{{ site.default_content_type | default(caddy_waf_defaults.default_content_type) }}"
+    >Set-Cookie          "(.*)"  "$1; {{ site.cookies_attributes | default(caddy_waf_defaults.cookies_attributes) }}"
+{% for header in site.delete_headers | default(caddy_waf_defaults.delete_headers) %}
+    -{{ header }}
+{% endfor %}
+{% for header in site.custom_headers | default(caddy_waf_defaults.custom_headers) %}
+    {{ header.name }}            "{{ header.value }}"
+{% endfor %}
+  }
+
+  handle_errors 403 {
+    header X-Blocked "true"
+    respond "Your request was blocked."
+  }
+
+  log {
+    format json
+    output file {{ caddy_log_dir }}/site_{{ site.name }}.log
+  }
+}
+
+{% endfor %}

ansible/roles/caddy/templates/caddy.service

@@ -6,10 +6,10 @@ Requires=network-online.target
 
 [Service]
 Type=notify
-User=caddy
-Group=caddy
-ExecStart=/usr/local/bin/caddy run --environ --config /etc/caddy/Caddyfile
-ExecReload=/usr/local/bin/caddy reload --config /etc/caddy/Caddyfile --force
+User={{ caddy_system_user }}
+Group={{ caddy_system_group }}
+ExecStart=/usr/local/bin/caddy run --environ --config {{ caddy_config_dir }}/Caddyfile
+ExecReload=/usr/local/bin/caddy reload --config {{ caddy_config_dir }}/Caddyfile --force
 TimeoutStopSec=15s
 LimitNOFILE=1048576
 PrivateTmp=true

ansible/roles/caddy/templates/coraza.conf

@@ -126,7 +126,7 @@ SecDataDir /tmp/
 # 3:   Info
 # 4-8: Debug
 # 9:   Trace (most verbose)
-SecDebugLog /var/log/caddy/coraza-debug.log
+SecDebugLog {{ caddy_log_dir }}/coraza-debug.log
 SecDebugLogLevel 4
 
 

ansible/roles/caddy/templates/crs-setup.conf

@@ -10,9 +10,9 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.blocking_paranoia_level={{ site.paranoia_level | default(waf_config_defaults.paranoia_level) }}"
-{% if site.detection_paranoia_level | default(waf_config_defaults.detection_paranoia_level) != None %}
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.blocking_paranoia_level={{ site.paranoia_level | default(caddy_waf_defaults.paranoia_level) }}"
+{% if site.detection_paranoia_level | default(caddy_waf_defaults.detection_paranoia_level) != None %}
 
 ## Detection paranoia level
 SecAction \
@@ -22,8 +22,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.detection_paranoia_level={{ site.detection_paranoia_level | default(waf_config_defaults.detection_paranoia_level) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.detection_paranoia_level={{ site.detection_paranoia_level | default(caddy_waf_defaults.detection_paranoia_level) }}"
 {% endif %}
 
 ## Enforce Body Processor URLENCODED
@@ -34,8 +34,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.enforce_bodyproc_urlencoded={{ site.enforce_bodyproc_urlencoded | default(waf_config_defaults.enforce_bodyproc_urlencoded) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.enforce_bodyproc_urlencoded={{ site.enforce_bodyproc_urlencoded | default(caddy_waf_defaults.enforce_bodyproc_urlencoded) }}"
 
 ## Anomaly Scoring Mode Severity Levels
 SecAction \
@@ -45,11 +45,11 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.critical_anomaly_score={{ site.critical_anomaly_score | default(waf_config_defaults.critical_anomaly_score) }},\
-    setvar:tx.error_anomaly_score={{ site.error_anomaly_score | default(waf_config_defaults.error_anomaly_score) }},\
-    setvar:tx.warning_anomaly_score={{ site.warning_anomaly_score | default(waf_config_defaults.warning_anomaly_score) }},\
-    setvar:tx.notice_anomaly_score={{ site.notice_anomaly_score | default(waf_config_defaults.notice_anomaly_score) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.critical_anomaly_score={{ site.critical_anomaly_score | default(caddy_waf_defaults.critical_anomaly_score) }},\
+    setvar:tx.error_anomaly_score={{ site.error_anomaly_score | default(caddy_waf_defaults.error_anomaly_score) }},\
+    setvar:tx.warning_anomaly_score={{ site.warning_anomaly_score | default(caddy_waf_defaults.warning_anomaly_score) }},\
+    setvar:tx.notice_anomaly_score={{ site.notice_anomaly_score | default(caddy_waf_defaults.notice_anomaly_score) }}"
 
 ## Anomaly Scoring Mode Blocking Threshold Levels
 SecAction \
@@ -59,9 +59,9 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.inbound_anomaly_score_threshold={% if site.log_only | default(waf_config_defaults.log_only) %}1000{% else %}{{ site.inbound_anomaly_score_threshold | default(waf_config_defaults.inbound_anomaly_score_threshold) }}{% endif %},\
-    setvar:tx.outbound_anomaly_score_threshold={% if site.log_only | default(waf_config_defaults.log_only) %}1000{% else %}{{ site.outbound_anomaly_score_threshold | default(waf_config_defaults.outbound_anomaly_score_threshold) }}{% endif %}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.inbound_anomaly_score_threshold={% if site.log_only | default(caddy_waf_defaults.log_only) %}1000{% else %}{{ site.inbound_anomaly_score_threshold | default(caddy_waf_defaults.inbound_anomaly_score_threshold) }}{% endif %},\
+    setvar:tx.outbound_anomaly_score_threshold={% if site.log_only | default(caddy_waf_defaults.log_only) %}1000{% else %}{{ site.outbound_anomaly_score_threshold | default(caddy_waf_defaults.outbound_anomaly_score_threshold) }}{% endif %}"
 
 ## Application Specific Rule Exclusions
 # FIXME
@@ -87,8 +87,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.reporting_level={{ site.reporting_level | default(waf_config_defaults.reporting_level) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.reporting_level={{ site.reporting_level | default(caddy_waf_defaults.reporting_level) }}"
 
 ## Early Anomaly Scoring Mode Blocking
 SecAction \
@@ -98,7 +98,7 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
     setvar:tx.early_blocking=0"
 
 ## Initialize Default Collections
@@ -109,7 +109,7 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
     setvar:tx.enable_default_collections=1"
 
 ## HTTP Policy Settings
@@ -120,8 +120,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.allowed_methods={{ site.allowed_methods | default(waf_config_defaults.allowed_methods) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.allowed_methods={{ site.allowed_methods | default(caddy_waf_defaults.allowed_methods) | join(" ") }}'"
 
 # Content-Types that a client is allowed to send in a request
 SecAction \
@@ -131,8 +131,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.allowed_request_content_type={{ site.allowed_request_content_type | default(waf_config_defaults.allowed_request_content_type) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.allowed_request_content_type={{ site.allowed_request_content_type | default(caddy_waf_defaults.allowed_request_content_type) | join(" ") }}'"
 
 ## Allowed HTTP versions
 SecAction \
@@ -142,8 +142,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.allowed_http_versions={{ site.allowed_http_versions | default(waf_config_defaults.allowed_http_versions) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.allowed_http_versions={{ site.allowed_http_versions | default(caddy_waf_defaults.allowed_http_versions) | join(" ") }}'"
 
 ## Forbidden file extensions
 SecAction \
@@ -153,8 +153,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.restricted_extensions={{ site.restricted_extensions | default(waf_config_defaults.restricted_extensions) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.restricted_extensions={{ site.restricted_extensions | default(caddy_waf_defaults.restricted_extensions) | join(" ") }}'"
 
 ## Restricted request headers
 SecAction \
@@ -164,8 +164,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.restricted_headers_basic={{ site.restricted_headers_basic | default(waf_config_defaults.restricted_headers_basic) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.restricted_headers_basic={{ site.restricted_headers_basic | default(caddy_waf_defaults.restricted_headers_basic) | join(" ") }}'"
 
 ## Extended restricted request headers (forbidden at a higher paranoia level)
 SecAction \
@@ -175,8 +175,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.restricted_headers_extended={{ site.restricted_headers_extended | default(waf_config_defaults.restricted_headers_extended) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.restricted_headers_extended={{ site.restricted_headers_extended | default(caddy_waf_defaults.restricted_headers_extended) | join(" ") }}'"
 
 # Content-Types charsets that a client is allowed to send in a request
 SecAction \
@@ -186,8 +186,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:'tx.allowed_request_content_type_charset={{ waf_config_defaults.allowed_request_content_type_charset | default(waf_config_defaults.allowed_request_content_type_charset) | join(" ") }}'"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:'tx.allowed_request_content_type_charset={{ caddy_waf_defaults.allowed_request_content_type_charset | default(caddy_waf_defaults.allowed_request_content_type_charset) | join(" ") }}'"
 
 # Block request if number of arguments is too high
 SecAction \
@@ -197,8 +197,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.max_num_args={{ site.max_num_args | default(waf_config_defaults.max_num_args) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.max_num_args={{ site.max_num_args | default(caddy_waf_defaults.max_num_args) }}"
 
 # Block request if the length of any argument name is too high
 SecAction \
@@ -208,8 +208,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.arg_name_length={{ site.arg_name_length | default(waf_config_defaults.arg_name_length) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.arg_name_length={{ site.arg_name_length | default(caddy_waf_defaults.arg_name_length) }}"
 
 # Block request if the length of any argument value is too high
 SecAction \
@@ -219,8 +219,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.arg_length={{ site.arg_length | default(waf_config_defaults.arg_length) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.arg_length={{ site.arg_length | default(caddy_waf_defaults.arg_length) }}"
 
 # Block request if the total length of all combined arguments is too high
 SecAction \
@@ -230,8 +230,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.total_arg_length={{ site.total_arg_length | default(waf_config_defaults.total_arg_length) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.total_arg_length={{ site.total_arg_length | default(caddy_waf_defaults.total_arg_length) }}"
 
 # Block request if the file size of any individual uploaded file is too high
 SecAction \
@@ -241,8 +241,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.max_file_size={{ site.max_file_size | default(waf_config_defaults.max_file_size) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.max_file_size={{ site.max_file_size | default(caddy_waf_defaults.max_file_size) }}"
 
 # Block request if the total size of all combined uploaded files is too high
 SecAction \
@@ -252,8 +252,8 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.combined_file_sizes={{ site.combined_file_sizes | default(waf_config_defaults.combined_file_sizes) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.combined_file_sizes={{ site.combined_file_sizes | default(caddy_waf_defaults.combined_file_sizes) }}"
 
 ## Easing In / Sampling Percentage
 SecAction \
@@ -262,8 +262,8 @@ SecAction \
     pass,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.sampling_percentage={{ site.sampling_percentage | default(waf_config_defaults.sampling_percentage) }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.sampling_percentage={{ site.sampling_percentage | default(caddy_waf_defaults.sampling_percentage) }}"
 
 ## Check UTF-8 encoding
 SecAction \
@@ -273,7 +273,7 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
     setvar:tx.crs_validate_utf8_encoding=1"
 
 ## Skip Checking Responses
@@ -290,7 +290,7 @@ SecAction \
 #    t:none,\
 #    nolog,\
 #    tag:'OWASP_CRS',\
-#    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
+#    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
 #    setvar:tx.crs_skip_response_analysis=1"
 
 ## End of setup
@@ -301,5 +301,5 @@ SecAction \
     t:none,\
     nolog,\
     tag:'OWASP_CRS',\
-    ver:'OWASP_CRS/{{ waf_config_owasp_crs_version }}',\
-    setvar:tx.crs_setup_version={{ waf_config_owasp_crs_version | regex_replace('\.', '') }}"
+    ver:'OWASP_CRS/{{ caddy_owasp_crs_version }}',\
+    setvar:tx.crs_setup_version={{ caddy_owasp_crs_version | regex_replace('\.', '') }}"

ansible/roles/caddy/templates/exclusions-request-before.conf

@@ -0,0 +1,3 @@
+{% for exclusion in site.crs_exceptions.before_request | default([]) %}
+{{ exclusion }}
+{% endfor %}

ansible/roles/caddy/templates/exclusions-response-after.conf

@@ -0,0 +1,3 @@
+{% for exclusion in site.crs_exceptions.after_response | default([]) %}
+{{ exclusion }}
+{% endfor %}

ansible/roles/caddy/vars/main.yml

@@ -0,0 +1 @@
+caddy_xcaddy_download: "https://github.com/caddyserver/xcaddy/releases/download"

ansible/roles/waf_config/defaults/main.yml

@@ -1,196 +0,0 @@
-# Defaults
-waf_config_owasp_crs_version: "4.22.0"
-
-# Required unless not site.custom_cert
-waf_config_email: null
-
-# Required if site.bot_barrier
-waf_config_bot_barrier_secret: null
-
-# Optionnal
-waf_config_local_ca_name: null
-waf_config_ca_root: null
-
-waf_config_sites: []
-# - name: ""
-#   site: ""
-#   paths:
-#     - path: "*"
-#       addrs:
-#         - ""
-#   blacklist:
-#     - ""
-#   aliases:
-#     - ""
-#   exceptions:
-#     before_request:
-#       - ""
-#     after_response:
-#       - ""
-
-waf_config_defaults:
-  redirect_from_aliases: true
-  custom_cert: true
-  custom_cert_file: ""
-  custom_key_file: ""
-  plugins: []
-
-  # caddy-ratelimit
-  rate_events: 1000
-  rate_window: "1m"
-
-  # steffenbusch/caddy-bot-barrier
-  bot_barrier: false
-
-  # corazawaf/coraza-caddy
-  log_only: false
-  paranoia_level: 1
-  detection_paranoia_level: null
-  enforce_bodyproc_urlencoded: 1
-  critical_anomaly_score: 5
-  error_anomaly_score: 4
-  warning_anomaly_score: 3
-  notice_anomaly_score: 2
-  inbound_anomaly_score_threshold: 5
-  outbound_anomaly_score_threshold: 4
-  reporting_level: 4
-  max_num_args: 255
-  arg_name_length: 100
-  arg_length: 1000
-  total_arg_length: 64000
-  max_file_size: 10485760        # 10 Mo
-  combined_file_sizes: 20970520  # 20 Mo
-  sampling_percentage: 100
-  allowed_methods:
-    - "GET"
-    - "HEAD"
-    - "POST"
-    - "OPTIONS"
-  allowed_request_content_type:
-    - "|application/x-www-form-urlencoded|"
-    - "|multipart/form-data|"
-    - "|text/xml|"
-    - "|application/xml|"
-    - "|application/soap+xml|"
-    - "|application/json|"
-    - "|application/reports+json|"
-    - "|application/csp-report|"
-  restricted_extensions:
-    - ".ani/"
-    - ".asa/"
-    - ".asax/"
-    - ".ascx/"
-    - ".back/"
-    - ".backup/"
-    - ".bak/"
-    - ".bck/"
-    - ".bk/"
-    - ".bkp/"
-    - ".bat/"
-    - ".cdx/"
-    - ".cer/"
-    - ".cfg/"
-    - ".cmd/"
-    - ".cnf/"
-    - ".com/"
-    - ".compositefont/"
-    - ".config/"
-    - ".conf/"
-    - ".copy/"
-    - ".crt/"
-    - ".cs/"
-    - ".csproj/"
-    - ".csr/"
-    - ".dat/"
-    - ".db/"
-    - ".dbf/"
-    - ".dist/"
-    - ".dll/"
-    - ".dos/"
-    - ".dpkg-dist/"
-    - ".drv/"
-    - ".gadget/"
-    - ".hta/"
-    - ".htr/"
-    - ".htw/"
-    - ".ida/"
-    - ".idc/"
-    - ".idq/"
-    - ".inc/"
-    - ".inf/"
-    - ".ini/"
-    - ".jse/"
-    - ".key/"
-    - ".licx/"
-    - ".lnk/"
-    - ".log/"
-    - ".mdb/"
-    - ".msc/"
-    - ".ocx/"
-    - ".old/"
-    - ".pass/"
-    - ".pdb/"
-    - ".pfx/"
-    - ".pif/"
-    - ".pem/"
-    - ".pol/"
-    - ".prf/"
-    - ".printer/"
-    - ".pwd/"
-    - ".rdb/"
-    - ".rdp/"
-    - ".reg/"
-    - ".resources/"
-    - ".resx/"
-    - ".sav/"
-    - ".save/"
-    - ".scr/"
-    - ".sct/"
-    - ".sh/"
-    - ".shs/"
-    - ".sql/"
-    - ".sqlite/"
-    - ".sqlite3/"
-    - ".swp/"
-    - ".sys/"
-    - ".temp/"
-    - ".tlb/"
-    - ".tmp/"
-    - ".vb/"
-    - ".vbe/"
-    - ".vbs/"
-    - ".vbproj/"
-    - ".vsdisco/"
-    - ".vxd/"
-    - ".webinfo/"
-    - ".ws/"
-    - ".wsc/"
-    - ".wsf/"
-    - ".wsh/"
-    - ".xsd/"
-    - ".xsx/"
-  restricted_headers_basic:
-    - "/content-encoding/"
-    - "/proxy/"
-    - "/lock-token/"
-    - "/content-range/"
-    - "/if/"
-    - "/x-http-method-override/"
-    - "/x-http-method/"
-    - "/x-method-override/"
-    - "/x-middleware-subrequest/"
-    - "/expect/"
-  restricted_headers_extended:
-    - "/accept-charset/"
-  allowed_http_versions:
-    - "HTTP/1.0"
-    - "HTTP/1.1"
-    - "HTTP/2"
-    - "HTTP/2.0"
-    - "HTTP/3"
-    - "HTTP/3.0"
-  allowed_request_content_type_charset:
-    - "|utf-8|"
-    - "|iso-8859-1|"
-    - "|iso-8859-15|"
-    - "|windows-1252|"

ansible/roles/waf_config/templates/Caddyfile

@@ -1,152 +0,0 @@
-{
-  grace_period 10s
-  order coraza_waf first
-{% if waf_config_email | default(None) != None %}
-  email "{{ waf_config_email }}"
-{% endif %}
-
-{% if waf_config_ca_root | default(None) != None %}
-  tls {
-    ca_root "{{ waf_config_ca_root }}"
-  }
-
-{% endif %}
-  log waf {
-    format json
-    include "http.handlers.waf"
-    output stdout
-  }
-{% if waf_config_local_ca_name | default(None) != None %}
-
-  pki {
-    ca local {
-      name "{{ waf_config_local_ca_name }}"
-    }
-  }
-{% endif %}
-}
-
-{% for site in waf_config_sites %}
-{% if (site.redirect_from_aliases | default(true)) and (site.aliases | default([]) | length) > 0 %}
-{{ site.aliases | join(', ') }} {
-  redir https://{{ site.site }}{uri}
-}
-
-{% else %}
-{% for alias in site.aliases | default([]) %}
-{{ alias }},
-{% endfor %}
-{% endif %}
-{{ site.site }} {
-  encode gzip zstd
-
-{% for path in site.paths %}
-  handle {{ path.path | default('*') }} {
-    reverse_proxy {
-      to {{ path.addrs | join(' ') }}
-      header_up X-Real-IP {remote}
-      lb_policy ip_hash
-      # Active checks
-#     health_uri /
-#     health_interval 10s
-#     health_timeout 5s
-#     health_status 200
-      # Passive checks
-      fail_duration 30s
-      max_fails 3
-      unhealthy_latency 2000ms
-      transport http {
-#       tls_server_name {host}
-#       tls_insecure_skip_verify
-      }
-    }
-  }
-{% endfor %}
-
-{% if site.custom_cert | default (false) %}
-  tls {{ site.custom_cert_file }} {{ site.custom_key_file }}
-
-{% endif %}
-{% if site.blacklist | default([]) | length > 0 %}
-  @blocked {
-{% for ip in site.blacklist | default([]) %}
-    remote_ip {{ ip }}
-{% endfor %}
-  }
-  respond @blocked "Access Denied" 403
-
-{% endif %}
-{% if site.bot_barrier | default (false) %}
-  bot_barrier {
-     secret {{ waf_config_bot_barrier_secret }}
-     complexity 18
-     valid_for 30m
-     seed_cookie_name __chall_{{ site.name }}_seed
-     solution_cookie_name __chall_{{ site.name }}_solution
-     mac_cookie_name __chall_{{ site.name }}_mac
-     template /etc/caddy/bot_barrier_template.html
-  }
-
-{% endif %}
-  rate_limit {
-#   distributed
-    zone remote_ip {
-      key {remote.ip}
-      events {{ site.rate_events | default('1000') }}
-      window {{ site.rate_window | default('1m') }}
-    }
-  }
-
-  coraza_waf {
-    load_owasp_crs
-    directives `
-      Include "/etc/caddy/sites/{{ site.name }}/coraza.conf"
-      Include "/etc/caddy/sites/{{ site.name }}/crs-setup.conf"
-{% for plugin in site.plugins | default(waf_config_defaults.plugins) %}
-      Include "/etc/caddy/plugins/{{ plugin }}-config.conf"
-      Include "/etc/caddy/plugins/{{ plugin }}-before.conf"
-{% endfor %}
-      Include "/etc/caddy/sites/{{ site.name }}/exclusions-request-before.conf"
-      Include "/etc/caddy/coreruleset-{{ waf_config_owasp_crs_version }}/rules/*.conf"
-      Include "/etc/caddy/sites/{{ site.name }}/exclusions-response-after.conf"
-{% for plugin in site.plugins | default(waf_config_defaults.plugins) %}
-      Include "/etc/caddy/plugins/{{ plugin }}-after.conf"
-{% endfor %}
-      SecRuleEngine On
-    `
-  }
-
-  # Cf. https://cheatsheetseries.owasp.org/cheatsheets/HTTP_Headers_Cheat_Sheet.html
-  header {
-#   Access-Control-Allow-Origin  "https://secure.gravatar.com"
-    Content-Security-Policy      "upgrade-insecure-requests; worker-src 'self' blob:; connect-src 'self'; media-src 'self'; img-src 'self' data: https://secure.gravatar.com/avatar/; font-src 'self' data:; style-src 'self' 'unsafe-inline'; object-src 'none'; frame-src 'self' blob:; child-src 'self'; form-action 'self'; frame-ancestors 'self'"
-#   Cross-Origin-Embedder-Policy "require-corp"
-    Cross-Origin-Opener-Policy   "same-origin"
-    Cross-Origin-Resource-Policy "same-site"
-    Permissions-Policy           "geolocation=(), camera=(), microphone=(), interest-cohort=()"
-    Referrer-Policy              "strict-origin-when-cross-origin"
-    Strict-Transport-Security    "max-age=2635200; includeSubDomains"
-    X-Content-Type-Options       "nosniff"
-    X-Frame-Options              "DENY"
-    X-Robots-Tag                 "noindex, nofollow"
-    ?Content-Type                "text/html; charset=UTF-8"
-    >Set-Cookie          "(.*)"  "$1; SameSite=None; Secure;"
-    -Server
-    -Via
-    -X-Powered-By
-    -X-AspNet-Version
-    -X-AspNetMvc-Version
-  }
-
-  handle_errors 403 {
-    header X-Blocked "true"
-    respond "Your request was blocked."
-  }
-
-  log {
-    format json
-    output file /var/log/caddy/site_{{ site.name }}.log
-  }
-}
-
-{% endfor %}

ansible/roles/waf_config/templates/exclusions-request-before.conf

@@ -1,3 +0,0 @@
-{% for exclusion in site.exceptions.before_request | default([]) %}
-{{ exclusion }}
-{% endfor %}

ansible/roles/waf_config/templates/exclusions-response-after.conf

@@ -1,3 +0,0 @@
-{% for exclusion in site.exceptions.after_response | default([]) %}
-{{ exclusion }}
-{% endfor %}

ansible/roles/waf_install/defaults/main.yml

@@ -1,25 +0,0 @@
-waf_install_go_version: "1.25.5"
-waf_install_xcaddy_version: "0.4.5"
-waf_install_caddy_version: "2.10.2"
-waf_install_coraza_caddy_version: "2.1.0"  # Coraza v3.3.3
-waf_install_owasp_crs_version: "4.22.0"
-
-# Cf.: https://github.com/coreruleset/plugin-registry
-waf_install_crs_plugins:
-  - name: "drupal-rule-exclusions"
-    version: "1.0.0"
-  - name: "wordpress-rule-exclusions"
-    version: "1.2.0"
-  - name: "nextcloud-rule-exclusions"
-    version: "1.5.0"
-  - name: "dokuwiki-rule-exclusions"
-    version: "1.0.0"
-  - name: "phpmyadmin-rule-exclusions"
-    version: "1.0.0"
-    has_after_config: true
-  - name: "roundcube-rule-exclusions"
-    version: "1.0.4"
-    provider: "EsadCetiner"
-  - name: "sogo-rule-exclusions"
-    version: "1.0.4"
-    provider: "EsadCetiner"

ansible/roles/waf_install/handlers/main.yml

@@ -1,5 +0,0 @@
-- name: Restart Caddy
-  ansible.builtin.service:
-    name: "caddy"
-    state: "restarted"
-    daemon_reload: true

ansible/roles/waf_install/vars/main.yml

@@ -1 +0,0 @@
-waf_install_xcaddy_download: "https://github.com/caddyserver/xcaddy/releases/download"

ansible/vars/common.yml

@@ -21,11 +21,21 @@ common:
       custom_cert: true
       custom_cert_file: "/etc/ssl/certs/test.lab.crt"
       custom_key_file: "/etc/ssl/private/test.lab.key"
-      plugins:
+      crs_plugins:
         - "wordpress-rule-exclusions"
-      exceptions:
+      crs_exceptions:
       # Cf. https://github.com/owasp-modsecurity/ModSecurity/wiki/Reference-Manual-(v3.x)
 #       before_request:
 #         - 'SecRule REQUEST_FILENAME "@endsWith /wp-admin/admin-ajax.php" "id:1,nolog,ctl:ruleRemoveById=932260"'
         after_response:
           - 'SecRuleUpdateTargetById 932260 "!ARGS:tag-name"'
+      header_cross_origin_embedder_policy: "unsafe-none"
+      header_content_security_policy:
+        worker-src: "'self' blob:"
+        img-src: "'self' data: https://secure.gravatar.com/avatar/"
+        font-src: "'self' data:"
+        script-src: "'self' 'unsafe-eval'"
+        script-src-elem: "'self' 'unsafe-inline'"
+        style-src-attr: "'self' 'unsafe-inline'"
+        style-src-elem: "'self' 'unsafe-inline'"
+        frame-src: "'self' blob:"