1{
2 pkgs,
3 config,
4 lib,
5 ...
6}:
7
8let
9 cfg = config.services.privatebin;
10
11 customToINI = lib.generators.toINI {
12 mkKeyValue = lib.generators.mkKeyValueDefault {
13 mkValueString =
14 v:
15 if v == true then
16 ''true''
17 else if v == false then
18 ''false''
19 else if builtins.isInt v then
20 ''${builtins.toString v}''
21 else if builtins.isPath v then
22 ''"${builtins.toString v}"''
23 else if builtins.isString v then
24 ''"${v}"''
25 else
26 lib.generators.mkValueStringDefault { } v;
27 } "=";
28 };
29
30 privatebinSettings = pkgs.writeTextDir "conf.php" (customToINI cfg.settings);
31
32 user = cfg.user;
33 group = cfg.group;
34
35 defaultUser = "privatebin";
36 defaultGroup = "privatebin";
37
38in
39{
40
41 options.services.privatebin = {
42
43 enable = lib.mkEnableOption "Privatebin: A minimalist, open source online
44 pastebin where the server has zero knowledge of pasted data.";
45
46 user = lib.mkOption {
47 type = lib.types.str;
48 default = defaultUser;
49 description = "User account under which privatebin runs.";
50 };
51
52 group = lib.mkOption {
53 type = lib.types.str;
54 default = if cfg.enableNginx then "nginx" else defaultGroup;
55 defaultText = lib.literalExpression "if config.services.privatebin.enableNginx then \"nginx\" else \"${defaultGroup}\"";
56 description = ''
57 Group under which privatebin runs. It is best to set this to the group
58 of whatever webserver is being used as the frontend.
59 '';
60 };
61
62 dataDir = lib.mkOption {
63 type = lib.types.path;
64 default = "/var/lib/privatebin";
65 description = ''
66 The place where privatebin stores its state.
67 '';
68 };
69
70 package = lib.mkPackageOption pkgs "privatebin" { };
71
72 enableNginx = lib.mkOption {
73 type = lib.types.bool;
74 default = false;
75 description = ''
76 Whether to enable nginx or not. If enabled, an nginx virtual host will
77 be created for access to privatebin. If not enabled, then you may use
78 `''${config.services.privatebin.package}` as your document root in
79 whichever webserver you wish to setup.
80 '';
81 };
82
83 virtualHost = lib.mkOption {
84 type = lib.types.str;
85 default = "localhost";
86 description = ''
87 The hostname at which you wish privatebin to be served. If you have
88 enabled nginx using `services.privatebin.enableNginx` then this will
89 be used.
90 '';
91 };
92
93 poolConfig = lib.mkOption {
94 type = lib.types.attrsOf (
95 lib.types.oneOf [
96 lib.types.str
97 lib.types.int
98 lib.types.bool
99 ]
100 );
101 defaultText = lib.literalExpression ''
102 {
103 "pm" = "dynamic";
104 "pm.max_children" = 32;
105 "pm.start_servers" = 2;
106 "pm.min_spare_servers" = 2;
107 "pm.max_spare_servers" = 4;
108 "pm.max_requests" = 500;
109 }
110 '';
111 default = { };
112 description = ''
113 Options for the PrivateBin PHP pool. See the documentation on <literal>php-fpm.conf</literal>
114 for details on configuration directives.
115 '';
116 };
117
118 settings = lib.mkOption {
119 default = { };
120 description = ''
121 Options for privatebin configuration. Refer to
122 <https://github.com/PrivateBin/PrivateBin/wiki/Configuration> for
123 details on supported values.
124 '';
125 example = lib.literalExpression ''
126 {
127 main = {
128 name = "NixOS Based Privatebin";
129 discussion = false;
130 defaultformatter = "plalib.types.intext";
131 qrcode = true
132 };
133 model.class = "Filesystem";
134 model_options.dir = "/var/lib/privatebin/data";
135 }
136 '';
137 type = lib.types.submodule { freeformType = lib.types.attrsOf lib.types.anything; };
138 };
139 };
140
141 config = lib.mkIf cfg.enable {
142 services.privatebin.settings = {
143 main = lib.mkDefault { };
144 model.class = lib.mkDefault "Filesystem";
145 model_options.dir = lib.mkDefault "${cfg.dataDir}/data";
146 purge.dir = lib.mkDefault "${cfg.dataDir}/purge";
147 traffic = {
148 dir = lib.mkDefault "${cfg.dataDir}/traffic";
149 header = "X_FORWARDED_FOR";
150 };
151 };
152
153 services.phpfpm.pools.privatebin = {
154 inherit user group;
155 phpPackage = pkgs.php83;
156 phpOptions = ''
157 log_errors = on
158 '';
159 settings = {
160 "listen.mode" = lib.mkDefault "0660";
161 "listen.owner" = lib.mkDefault user;
162 "listen.group" = lib.mkDefault group;
163 "pm" = lib.mkDefault "dynamic";
164 "pm.max_children" = lib.mkDefault 32;
165 "pm.start_servers" = lib.mkDefault 2;
166 "pm.min_spare_servers" = lib.mkDefault 2;
167 "pm.max_spare_servers" = lib.mkDefault 4;
168 "pm.max_requests" = lib.mkDefault 500;
169 };
170 phpEnv.CONFIG_PATH = lib.strings.removeSuffix "/conf.php" (builtins.toString privatebinSettings);
171 };
172
173 services.nginx = lib.mkIf cfg.enableNginx {
174 enable = true;
175 recommendedTlsSettings = lib.mkDefault true;
176 recommendedOptimisation = lib.mkDefault true;
177 recommendedGzipSettings = lib.mkDefault true;
178 virtualHosts.${cfg.virtualHost} = {
179 root = "${cfg.package}";
180 locations = {
181 "/" = {
182 tryFiles = "$uri $uri/ /index.php?$query_string";
183 index = "index.php";
184 extraConfig = ''
185 sendfile off;
186 '';
187 };
188 "~ \\.php$" = {
189 extraConfig = ''
190 include ${config.services.nginx.package}/conf/fastcgi_params ;
191 fastcgi_param SCRIPT_FILENAME $request_filename;
192 fastcgi_param modHeadersAvailable true; #Avoid sending the security headers twice
193 fastcgi_pass unix:${config.services.phpfpm.pools.privatebin.socket};
194 '';
195 };
196 };
197 };
198 };
199
200 systemd.tmpfiles.settings."10-privatebin" =
201 lib.attrsets.genAttrs
202 [
203 "${cfg.dataDir}/data"
204 "${cfg.dataDir}/traffic"
205 "${cfg.dataDir}/purge"
206 ]
207 (n: {
208 d = {
209 group = group;
210 mode = "0750";
211 user = user;
212 };
213 });
214
215 users = {
216 users = lib.mkIf (user == defaultUser) {
217 ${defaultUser} = {
218 description = "Privatebin service user";
219 inherit group;
220 isSystemUser = true;
221 home = cfg.dataDir;
222 };
223 };
224 groups = lib.mkIf (group == defaultGroup) { ${defaultGroup} = { }; };
225 };
226 };
227}