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1 | { lib, config, pkgs, ... }: with lib; | |
2 | let | |
3 | cfg = config.services.websites; | |
4 | in | |
5 | { | |
6 | options.services.websites = with types; { | |
7 | certs = mkOption { | |
8 | description = "Default websites configuration for certificates as accepted by acme"; | |
9 | }; | |
10 | webappDirs = mkOption { | |
11 | description = '' | |
12 | Defines a symlink between /run/current-system/webapps and a store | |
13 | app directory to be used in http configuration. Permits to avoid | |
14 | restarting httpd when only the folder name changes. | |
15 | ''; | |
16 | type = types.attrsOf types.path; | |
17 | default = {}; | |
18 | }; | |
19 | webappDirsName = mkOption { | |
20 | type = str; | |
21 | default = "webapps"; | |
22 | description = '' | |
23 | Name of the webapp dir to create in /run/current-system | |
24 | ''; | |
25 | }; | |
26 | env = mkOption { | |
27 | default = {}; | |
28 | description = "Each type of website to enable will target a distinct httpd server"; | |
29 | type = attrsOf (submodule { | |
30 | options = { | |
31 | enable = mkEnableOption "Enable websites of this type"; | |
32 | adminAddr = mkOption { | |
33 | type = str; | |
34 | description = "Admin e-mail address of the instance"; | |
35 | }; | |
36 | httpdName = mkOption { | |
37 | type = str; | |
38 | description = "Name of the httpd instance to assign this type to"; | |
39 | }; | |
40 | ips = mkOption { | |
41 | type = listOf str; | |
42 | default = []; | |
43 | description = "ips to listen to"; | |
44 | }; | |
45 | modules = mkOption { | |
46 | type = listOf str; | |
47 | default = []; | |
48 | description = "Additional modules to load in Apache"; | |
49 | }; | |
50 | extraConfig = mkOption { | |
51 | type = listOf lines; | |
52 | default = []; | |
53 | description = "Additional configuration to append to Apache"; | |
54 | }; | |
55 | nosslVhost = mkOption { | |
56 | description = "A default nossl vhost for captive portals"; | |
57 | default = {}; | |
58 | type = submodule { | |
59 | options = { | |
60 | enable = mkEnableOption "Add default no-ssl vhost for this instance"; | |
61 | host = mkOption { | |
62 | type = str; | |
63 | description = "The hostname to use for this vhost"; | |
64 | }; | |
65 | root = mkOption { | |
66 | type = path; | |
67 | default = ./nosslVhost; | |
68 | description = "The root folder to serve"; | |
69 | }; | |
70 | indexFile = mkOption { | |
71 | type = str; | |
72 | default = "index.html"; | |
73 | description = "The index file to show."; | |
74 | }; | |
75 | }; | |
76 | }; | |
77 | }; | |
78 | fallbackVhost = mkOption { | |
79 | description = "The fallback vhost that will be defined as first vhost in Apache"; | |
80 | type = submodule { | |
81 | options = { | |
82 | certName = mkOption { type = str; }; | |
83 | hosts = mkOption { type = listOf str; }; | |
84 | root = mkOption { type = nullOr path; }; | |
85 | forceSSL = mkOption { | |
86 | type = bool; | |
87 | default = true; | |
88 | description = '' | |
89 | Automatically create a corresponding non-ssl vhost | |
90 | that will only redirect to the ssl version | |
91 | ''; | |
92 | }; | |
93 | extraConfig = mkOption { type = listOf lines; default = []; }; | |
94 | }; | |
95 | }; | |
96 | }; | |
97 | vhostNoSSLConfs = mkOption { | |
98 | default = {}; | |
99 | description = "List of no ssl vhosts to define for Apache"; | |
100 | type = attrsOf (submodule { | |
101 | options = { | |
102 | hosts = mkOption { type = listOf str; }; | |
103 | root = mkOption { type = nullOr path; }; | |
104 | extraConfig = mkOption { type = listOf lines; default = []; }; | |
105 | }; | |
106 | }); | |
107 | }; | |
108 | vhostConfs = mkOption { | |
109 | default = {}; | |
110 | description = "List of vhosts to define for Apache"; | |
111 | type = attrsOf (submodule { | |
112 | options = { | |
113 | certName = mkOption { type = str; }; | |
114 | addToCerts = mkOption { | |
115 | type = bool; | |
116 | default = false; | |
117 | description = "Use these to certificates. Is ignored (considered true) if certMainHost is not null"; | |
118 | }; | |
119 | certMainHost = mkOption { | |
120 | type = nullOr str; | |
121 | description = "Use that host as 'main host' for acme certs"; | |
122 | default = null; | |
123 | }; | |
124 | hosts = mkOption { type = listOf str; }; | |
125 | root = mkOption { type = nullOr path; }; | |
126 | forceSSL = mkOption { | |
127 | type = bool; | |
128 | default = true; | |
129 | description = '' | |
130 | Automatically create a corresponding non-ssl vhost | |
131 | that will only redirect to the ssl version | |
132 | ''; | |
133 | }; | |
134 | extraConfig = mkOption { type = listOf lines; default = []; }; | |
135 | }; | |
136 | }); | |
137 | }; | |
138 | watchPaths = mkOption { | |
139 | type = listOf str; | |
140 | default = []; | |
141 | description = '' | |
142 | Paths to watch that should trigger a reload of httpd | |
143 | ''; | |
144 | }; | |
145 | }; | |
146 | }); | |
147 | }; | |
148 | # Readonly variables | |
149 | webappDirsPaths = mkOption { | |
150 | type = attrsOf path; | |
151 | readOnly = true; | |
152 | description = '' | |
153 | Full paths of the webapp dir | |
154 | ''; | |
155 | default = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair | |
156 | name "/run/current-system/${cfg.webappDirsName}/${name}" | |
157 | ) cfg.webappDirs; | |
158 | }; | |
159 | }; | |
160 | ||
161 | config.services.httpd = let | |
162 | nosslVhost = ips: cfg: { | |
163 | listen = map (ip: { inherit ip; port = 80; }) ips; | |
164 | hostName = cfg.host; | |
165 | logFormat = "combinedVhost"; | |
166 | documentRoot = cfg.root; | |
167 | extraConfig = '' | |
168 | <Directory ${cfg.root}> | |
169 | DirectoryIndex ${cfg.indexFile} | |
170 | AllowOverride None | |
171 | Require all granted | |
172 | ||
173 | RewriteEngine on | |
174 | RewriteRule ^/(.+) / [L] | |
175 | </Directory> | |
176 | ''; | |
177 | }; | |
178 | toVhost = ips: vhostConf: { | |
179 | forceSSL = vhostConf.forceSSL or true; | |
180 | useACMEHost = vhostConf.certName; | |
181 | logFormat = "combinedVhost"; | |
182 | listen = if vhostConf.forceSSL | |
183 | then lists.flatten (map (ip: [{ inherit ip; port = 443; ssl = true; } { inherit ip; port = 80; }]) ips) | |
184 | else map (ip: { inherit ip; port = 443; ssl = true; }) ips; | |
185 | hostName = builtins.head vhostConf.hosts; | |
186 | serverAliases = builtins.tail vhostConf.hosts or []; | |
187 | documentRoot = vhostConf.root; | |
188 | extraConfig = builtins.concatStringsSep "\n" vhostConf.extraConfig; | |
189 | }; | |
190 | toVhostNoSSL = ips: vhostConf: { | |
191 | logFormat = "combinedVhost"; | |
192 | listen = map (ip: { inherit ip; port = 80; }) ips; | |
193 | hostName = builtins.head vhostConf.hosts; | |
194 | serverAliases = builtins.tail vhostConf.hosts or []; | |
195 | documentRoot = vhostConf.root; | |
196 | extraConfig = builtins.concatStringsSep "\n" vhostConf.extraConfig; | |
197 | }; | |
198 | in attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair | |
199 | icfg.httpdName (mkIf icfg.enable { | |
200 | enable = true; | |
201 | logPerVirtualHost = true; | |
202 | multiProcessingModule = "worker"; | |
203 | # https://ssl-config.mozilla.org/#server=apache&version=2.4.41&config=intermediate&openssl=1.0.2t&guideline=5.4 | |
204 | # test with https://www.ssllabs.com/ssltest/analyze.html?d=www.immae.eu&s=176.9.151.154&latest | |
205 | sslProtocols = "all -SSLv3 -TLSv1 -TLSv1.1"; | |
206 | sslCiphers = builtins.concatStringsSep ":" [ | |
207 | "ECDHE-ECDSA-AES128-GCM-SHA256" "ECDHE-RSA-AES128-GCM-SHA256" | |
208 | "ECDHE-ECDSA-AES256-GCM-SHA384" "ECDHE-RSA-AES256-GCM-SHA384" | |
209 | "ECDHE-ECDSA-CHACHA20-POLY1305" "ECDHE-RSA-CHACHA20-POLY1305" | |
210 | "DHE-RSA-AES128-GCM-SHA256" "DHE-RSA-AES256-GCM-SHA384" | |
211 | ]; | |
212 | inherit (icfg) adminAddr; | |
213 | logFormat = "combinedVhost"; | |
214 | extraModules = lists.unique icfg.modules; | |
215 | extraConfig = builtins.concatStringsSep "\n" icfg.extraConfig; | |
216 | ||
217 | virtualHosts = with attrsets; { | |
218 | ___fallbackVhost = toVhost icfg.ips icfg.fallbackVhost; | |
219 | } // (optionalAttrs icfg.nosslVhost.enable { | |
220 | nosslVhost = nosslVhost icfg.ips icfg.nosslVhost; | |
221 | }) // (mapAttrs' (n: v: nameValuePair ("nossl_" + n) (toVhostNoSSL icfg.ips v)) icfg.vhostNoSSLConfs) | |
222 | // (mapAttrs' (n: v: nameValuePair ("ssl_" + n) (toVhost icfg.ips v)) icfg.vhostConfs); | |
223 | }) | |
224 | ) cfg.env; | |
225 | ||
226 | config.services.filesWatcher = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair | |
227 | "httpd${icfg.httpdName}" { | |
228 | paths = icfg.watchPaths; | |
229 | waitTime = 5; | |
230 | } | |
231 | ) cfg.env; | |
232 | ||
233 | config.security.acme.certs = let | |
234 | typesToManage = attrsets.filterAttrs (k: v: v.enable) cfg.env; | |
235 | flatVhosts = lists.flatten (attrsets.mapAttrsToList (k: v: | |
236 | attrValues v.vhostConfs | |
237 | ) typesToManage); | |
238 | groupedCerts = attrsets.filterAttrs | |
239 | (_: group: builtins.any (v: v.addToCerts || !isNull v.certMainHost) group) | |
240 | (lists.groupBy (v: v.certName) flatVhosts); | |
241 | groupToDomain = group: | |
242 | let | |
243 | nonNull = builtins.filter (v: !isNull v.certMainHost) group; | |
244 | domains = lists.unique (map (v: v.certMainHost) nonNull); | |
245 | in | |
246 | if builtins.length domains == 0 | |
247 | then null | |
248 | else assert (builtins.length domains == 1); (elemAt domains 0); | |
249 | extraDomains = group: | |
250 | let | |
251 | mainDomain = groupToDomain group; | |
252 | in | |
253 | lists.remove mainDomain ( | |
254 | lists.unique ( | |
255 | lists.flatten (map (c: optionals (c.addToCerts || !isNull c.certMainHost) c.hosts) group) | |
256 | ) | |
257 | ); | |
258 | in attrsets.mapAttrs (k: g: | |
259 | if (!isNull (groupToDomain g)) | |
260 | then cfg.certs // { | |
261 | domain = groupToDomain g; | |
262 | extraDomains = builtins.listToAttrs ( | |
263 | map (d: attrsets.nameValuePair d null) (extraDomains g)); | |
264 | } | |
265 | else { | |
266 | extraDomains = builtins.listToAttrs ( | |
267 | map (d: attrsets.nameValuePair d null) (extraDomains g)); | |
268 | } | |
269 | ) groupedCerts; | |
270 | ||
271 | config.system.extraSystemBuilderCmds = lib.mkIf (builtins.length (builtins.attrValues cfg.webappDirs) > 0) '' | |
272 | mkdir -p $out/${cfg.webappDirsName} | |
273 | ${builtins.concatStringsSep "\n" | |
274 | (attrsets.mapAttrsToList | |
275 | (name: path: "ln -s ${path} $out/${cfg.webappDirsName}/${name}") cfg.webappDirs) | |
276 | } | |
277 | ''; | |
278 | ||
279 | config.systemd.services = let | |
280 | package = httpdName: config.services.httpd.${httpdName}.package.out; | |
281 | cfgFile = httpdName: config.services.httpd.${httpdName}.configFile; | |
282 | serviceChange = attrsets.mapAttrs' (name: icfg: | |
283 | attrsets.nameValuePair | |
284 | "httpd${icfg.httpdName}" { | |
285 | stopIfChanged = false; | |
286 | serviceConfig.ExecStart = | |
287 | lib.mkForce "@${package icfg.httpdName}/bin/httpd httpd -f /etc/httpd/httpd_${icfg.httpdName}.conf"; | |
288 | serviceConfig.ExecStop = | |
289 | lib.mkForce "${package icfg.httpdName}/bin/httpd -f /etc/httpd/httpd_${icfg.httpdName}.conf -k graceful-stop"; | |
290 | serviceConfig.ExecReload = | |
291 | lib.mkForce "${package icfg.httpdName}/bin/httpd -f /etc/httpd/httpd_${icfg.httpdName}.conf -k graceful"; | |
292 | } | |
293 | ) cfg.env; | |
294 | serviceReload = attrsets.mapAttrs' (name: icfg: | |
295 | attrsets.nameValuePair | |
296 | "httpd${icfg.httpdName}-config-reload" { | |
297 | wants = [ "httpd${icfg.httpdName}.service" ]; | |
298 | wantedBy = [ "multi-user.target" ]; | |
299 | restartTriggers = [ (cfgFile icfg.httpdName) ]; | |
300 | # commented, because can cause extra delays during activate for this config: | |
301 | # services.nginx.virtualHosts."_".locations."/".proxyPass = "http://blabla:3000"; | |
302 | # stopIfChanged = false; | |
303 | serviceConfig.Type = "oneshot"; | |
304 | serviceConfig.TimeoutSec = 60; | |
305 | script = '' | |
306 | if ${pkgs.systemd}/bin/systemctl -q is-active httpd${icfg.httpdName}.service ; then | |
307 | ${package icfg.httpdName}/bin/httpd -f /etc/httpd/httpd_${icfg.httpdName}.conf -t && \ | |
308 | ${pkgs.systemd}/bin/systemctl reload httpd${icfg.httpdName}.service | |
309 | fi | |
310 | ''; | |
311 | serviceConfig.RemainAfterExit = true; | |
312 | } | |
313 | ) cfg.env; | |
314 | in | |
315 | serviceChange // serviceReload; | |
316 | } |