added email notifier

go.mod

@@ -88,6 +88,8 @@ require (
 	golang.org/x/sys v0.3.0 // indirect
 	golang.org/x/text v0.5.0 // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
+	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df // indirect
 	gopkg.in/ini.v1 v1.66.4 // indirect
 	gopkg.in/xmlpath.v2 v2.0.0-20150820204837-860cbeca3ebc // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

go.sum

@@ -817,12 +817,16 @@ google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
+gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/ini.v1 v1.66.4 h1:SsAcf+mM7mRZo2nJNGt8mZCjG8ZRaNGMURJw7BsIST4=
 gopkg.in/ini.v1 v1.66.4/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=

notifiers/email.go

@@ -0,0 +1,82 @@
+package notifiers
+
+import (
+	"log"
+
+	"github.com/spf13/viper"
+	"gopkg.in/gomail.v2"
+)
+
+type EmailNotifier struct {
+	Server   string
+	Port     int
+	From     string
+	User     string
+	To       string
+	Password string
+	Debug    bool
+}
+
+func (email *EmailNotifier) Open() bool {
+	if viper.IsSet("notifiers.email.server") {
+		email.Server = viper.GetString("notifiers.email.server")
+	} else {
+		log.Println("Need 'server' var for email notifier")
+		return false
+	}
+	if viper.IsSet("notifiers.email.port") {
+		email.Port = viper.GetInt("notifiers.email.port")
+	} else {
+		log.Println("Need 'port' var for email notifier")
+		return false
+	}
+	if viper.IsSet("notifiers.email.user") {
+		email.User = viper.GetString("notifiers.email.user")
+	} else {
+		log.Println("Need 'user' var for email notifier")
+		return false
+	}
+	if viper.IsSet("notifiers.email.from") {
+		email.From = viper.GetString("notifiers.email.from")
+	} else {
+		log.Println("Need 'from' var for email notifier")
+		return false
+	}
+	if viper.IsSet("notifiers.email.to") {
+		email.To = viper.GetString("notifiers.email.to")
+	} else {
+		log.Println("Need 'to' var for email notifier")
+		return false
+	}
+	if viper.IsSet("notifiers.email.password") {
+		email.Password = viper.GetString("notifiers.email.password")
+	} else {
+		log.Println("Need 'password' var for email notifier")
+		return false
+	}
+	log.Printf("Configured email: %s, %s", email.From, email.To)
+	return true
+}
+
+func (email *EmailNotifier) Message(message string) bool {
+	m := gomail.NewMessage()
+	m.SetHeaders(map[string][]string{
+		"From":    {email.From},
+		"To":      {email.To},
+		"Subject": {"GoWatch"},
+	})
+	m.SetBody("text/html", message)
+
+	d := gomail.NewDialer(email.Server, email.Port, email.User, email.Password)
+
+	err := d.DialAndSend(m)
+	if err != nil {
+		log.Println("Could not send email:", err)
+		return false
+	}
+	return true
+}
+
+func (email *EmailNotifier) Close() bool {
+	return true
+}

todo.md

@@ -4,7 +4,7 @@
         - readme instructions
     - ~~discord~~
         - readme instructions
-    - email
+    - ~~email~~
         - postfix compose example?
     - matrix?
     - twitter?