add news2kintle module and service

configuration.nix

@@ -14,6 +14,7 @@
         ./programs/installed.nix
         ./services/enabled.nix
         ./users.nix
+	./module/news2kindle/news2kindle.nix
     ];
 
     nixpkgs.config.allowUnfree = true;

module/news2kindle/news2kindle.nix

@@ -0,0 +1,185 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg  = config.services.news2kindle;
+
+portString = toString cfg.smtp.port;
+
+  convertScript = pkgs.writeText "convertScript.sh" ''#!/bin/bash
+NAME=$1
+RECIPEPATH=$2
+MOBIPATH=$3
+FROMADDR=$4
+TOADDR=$5
+if [ ! -f mobi/$NAME.mobi ]; then
+ ebook-convert $RECIPEPATH/$NAME.recipe $MOBIPATH/$NAME.mobi --output-profile kindle -v
+fi
+
+mailsend -smtp ${cfg.smtp.address} -port ${portString} -from $FROMADDR -to $TOADDR -sub "New news from $NAME" -attach $MOBIPATH/$NAME.mobi
+sleep 60
+'';
+
+callConvertScripts =
+    let
+      makeCallLine = recipient:
+        map (makeCallLineRecipe recipient.mail) recipient.recipes;
+     makeCallLineRecipe = recipientMail: recipe:
+        if isNull recipe.content then
+            "bash ${convertScript} ${recipe.name}  ${calibreWithRecipes}/var/news2kindle/recipes ${cfg.mobiPath} ${cfg.fromMail} ${recipientMail}\n"
+        else
+            ''
+             mkdir  -p /tmp/news2kindle/recipes
+             echo "${recipe.content}" > /tmp/news2kindle/recipes/${recipe.name}.recipe
+             bash ${convertScript} ${recipe.name} /tmp/news2kindle/recipes/ ${cfg.mobiPath} ${cfg.fromMail} ${recipientMail}
+            '';
+    in
+      concatMap makeCallLine cfg.recipients;
+
+dailyUpdateScript = pkgs.writeText "dailyUpdates.sh" ''#!/bin/bash
+      rm -f ${cfg.mobiPath}/*.mobi
+      mkdir -p ${cfg.mobiPath}
+      ${concatStrings callConvertScripts}
+      '';
+
+calibreWithRecipes = pkgs.calibre.overrideAttrs (oldAttrs: rec {
+    installPhase = ''
+    mkdir -p $out/var/news2kindle/recipes
+    cp -ravf recipes $out/var/news2kindle
+    ''+ oldAttrs.installPhase ;
+});
+
+
+in
+
+{
+  ###### interface
+
+  options = {
+
+    services.news2kindle = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable news2kindle service.
+        '';
+      };
+
+      recipePath = mkOption {
+        example = "/var/news2kindle/recipes";
+        default = "/var/news2kindle/recipes";
+        type = types.str;
+        description = ''
+          Path where the recipes should be saved
+        '';
+      };
+
+      mobiPath = mkOption {
+        example = "/tmp/news2kindle/mobi";
+        default = "/tmp/news2kindle/mobi";
+        type = types.str;
+        description = ''
+          Path where the mobi files should be saved
+        '';
+      };
+
+      fromMail = mkOption {
+        example = "news@stubbe.rocks";
+        default = "news@stubbe.rocks";
+        type = types.str;
+        description = ''
+          Adrees of the  sender, please allow this mail in your kindle doc service
+        '';
+      };
+
+
+      recipients = mkOption {
+        type = with types; listOf (submodule {
+            options = {
+              mail = mkOption {
+                type = types.str;
+                default = null;
+                description = ''
+                  name of recipe
+                '';
+                  };
+                  recipes = mkOption {
+                    type = with types; listOf (submodule {
+                      options = {
+                        name = mkOption {
+                          type = types.str;
+                          default = null;
+                          description = ''
+                            name of recipe
+                          '';
+                        };
+                        content = mkOption {
+                          type = types.nullOr types.str;
+                          default = null;
+                          description = ''
+                            content of the recipe file, when its null the use the  builtins recipes
+                          '';
+                        };
+                      };
+                    });
+                    default = [];
+                    example = [ { name = "heise";} { name = "Postillon"; port = ''
+              class BasicUserRecipe1414943033(AutomaticNewsRecipe):
+                  title = u'Postillon'
+                  oldest_article = 7
+                  max_articles_per_feed = 100
+                  auto_cleanup = True
+                  feeds= [(u'Postilion', u'http://feeds.feedburner.com/blogspot/rkEL')] ''; } ];
+                    description = ''
+                      List of recipes wich the user wants fetch. If recipe content is not specified the fetcher uses builtins recipes
+                    '';
+                  };
+              };
+          });
+          default = [];
+      };
+
+      smtp = {
+
+          address = mkOption {
+            type = types.str;
+            default = "localhost";
+            description = "Address of the SMTP server for news2kindle.";
+          };
+
+          port = mkOption {
+            type = types.int;
+            default = 25;
+            description = "Port of the SMTP server for news2kindle.";
+          };
+
+          username = mkOption {
+            type = types.nullOr types.str;
+            default = null;
+            description = "Username of the SMTP server for news2kindle.";
+          };
+
+          password = mkOption {
+            type = types.nullOr types.str;
+            default = null;
+            description = "Password of the SMTP server for news2kindle.";
+          };
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config =  mkIf cfg.enable{
+      environment.systemPackages = [pkgs.python27Packages.pyqt5 pkgs.python36Packages.pyqt5 pkgs.mailsend calibreWithRecipes];
+      services.cron.enable = true;
+      services.cron.systemCronJobs = [ "0 5 * * * root bash ${dailyUpdateScript}"];
+  };
+}

services/enabled.nix

@@ -8,5 +8,6 @@
         ./nginx.nix
         ./gitlab.nix
         ./nextcloud.nix
+        ./news2kindle.nix
     ];
 }

services/news2kindle.nix

@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+
+{
+  services.postfix.enable = true;
+  services.postfix.extraConfig = "message_size_limit=52428800";  
+  services.news2kindle = {
+    enable = true;
+    recipients = [
+      {
+        mail = "stubbfel@kindle.com";
+        recipes = [
+          { name = "heise"; }
+          { name = "netzpolitik"; }
+          { name = "zeitde"; }
+          { name = "spiegelde"; }
+          { name = "Postillon";
+            content = ''
+class BasicUserRecipe1414943033(AutomaticNewsRecipe):
+  title          = u'Der Postillon'
+  oldest_article = 7
+  max_articles_per_feed = 100
+  auto_cleanup = True
+  feeds          = [(u'Postilion', 
+u'http://feeds.feedburner.com/blogspot/rkEL')]
+          '';}
+          { name = "Störungsmelder";
+            content = ''
+class BasicUserRecipe1397125629(AutomaticNewsRecipe):
+  title          = u'st\xf6rungsmelder'
+  oldest_article = 7
+  max_articles_per_feed = 100
+  auto_cleanup = True
+  feeds          = [(u'st\xf6rungsmelder', 
+u'http://blog.zeit.de/stoerungsmelder/feed')]
+          '';}
+        ];
+      }
+    ];
+  };
+}

users.nix

@@ -12,7 +12,6 @@ in
     users = {
         defaultUserShell = pkgs.zsh;
         extraUsers.sshuser = myPublicSshKeys //  { isNormalUser = true;  home = "/home/sshuser";};
-        extraUsers.calibre = myPublicSshKeys //  { isNormalUser = true;  home = "/home/calibre"; packages = [pkgs.xvfb_run pkgs.calibre]};
         extraUsers.nextcloud = myPublicSshKeys //  { isNormalUser = true;  home = "/home/nextcloud"; group = "nextcloud";};
         extraGroups.nexdcloud.name = "nextcloud";
     };